[go: up one dir, main page]

CN112032071B - Sewage pump suitable for sludge environment - Google Patents

Sewage pump suitable for sludge environment Download PDF

Info

Publication number
CN112032071B
CN112032071B CN202010988003.6A CN202010988003A CN112032071B CN 112032071 B CN112032071 B CN 112032071B CN 202010988003 A CN202010988003 A CN 202010988003A CN 112032071 B CN112032071 B CN 112032071B
Authority
CN
China
Prior art keywords
pump
pump shaft
stop block
pump body
shaft body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010988003.6A
Other languages
Chinese (zh)
Other versions
CN112032071A (en
Inventor
李家豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010988003.6A priority Critical patent/CN112032071B/en
Publication of CN112032071A publication Critical patent/CN112032071A/en
Application granted granted Critical
Publication of CN112032071B publication Critical patent/CN112032071B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/043Shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/10Shaft sealings
    • F04D29/106Shaft sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/5893Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a sewage pump suitable for a sludge environment, which comprises a pump body, wherein a pump shaft vertically penetrates through the top of the pump body, a filling cavity is arranged between the pump body and the pump shaft, sealing filler is filled in the filling cavity, a pressing mechanism is arranged in the filling cavity, one end of the pump shaft extending out of the pump body is connected with a coupling, a stop block can be adsorbed on the electromagnetic iron block by electrifying the electromagnetic iron block, the condition that the stop block moves downwards due to the beginning of the falling of the temperature of the pump shaft and then a vent hole is blocked again is avoided, the pump shaft body cannot be well and continuously cooled, and when the pump body stops working, the temperature of the pump shaft is reduced, the electromagnetic iron block is powered off, and at the moment, the air bag is not expanded by heating, so that the stop block can move downwards to block the vent hole, the outside water vapor can be prevented from entering the hollow pump shaft body, and the inside of the pump shaft body can be prevented from being corroded.

Description

Sewage pump suitable for sludge environment
Technical Field
The invention relates to the technical field of pumps, in particular to a sewage pump suitable for a sludge environment.
Background
The sewage pump belongs to one kind of centrifugal impurity pump, has multiple form, and wherein when vertical sewage pump works in the sewage that contains a large amount of mud, resistance and frictional force that the pump shaft meetted when not in the mud environment can be bigger, and the friction can lead to the temperature of pump shaft to rise, and then makes the sealing packing be heated to warp, takes place to leak, and the pump shaft of higher temperature also can accelerate the ageing speed of sewage pump, and for this reason, we propose a sewage pump suitable for mud environment.
Disclosure of Invention
The invention aims to provide a sewage pump suitable for a sludge environment, so as to solve the problems that when the vertical sewage pump provided in the background art works in sewage containing a large amount of sludge, compared with the pump shaft which does not work in the sludge environment, the resistance and friction force are larger, the friction can cause the temperature of the pump shaft to rise, the sealing filler is further heated and deformed to cause leakage, and the aging speed of the sewage pump can be accelerated by the pump shaft with higher temperature.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a sewage pump suitable for mud environment, includes the pump body, the top of the pump body is vertical to be run through there is the pump shaft, be provided with between pump body and the pump shaft and fill the intracavity and fill the chamber and be provided with sealing filler, it is provided with hold-down mechanism to fill the intracavity, the pump shaft extends the one end and the coupling joint of the pump body, the coupling is connected with the power pivot of motor, and the bottom fixedly connected with of motor is fixed the frame on the pump body, the bottom of pump shaft is provided with the impeller, the bottom of the pump body is provided with the water inlet, one side of the pump body is provided with the delivery port.
Preferably, the pump shaft comprises a pump shaft body contacted with the sealing filler, the pump shaft body is rotationally connected with the pump body through a bearing, the inside of the pump shaft body is of a hollow structure, connecting rods are uniformly arranged on the inner wall of the pump shaft body, and one side, far away from the pump shaft body, of each connecting rod is connected with the heat conducting rod.
Preferably, the heat conducting rod comprises a rod body fixedly connected with the connecting rod, the top end of the rod body is connected with an air bag, the air bag is slidably connected onto the inner wall of the guide groove, the top of the guide groove is fixedly connected onto the pump shaft body, the top of the air bag is connected with a stop block, the two ends of the stop block penetrate through the guide groove, through grooves matched with the stop block are formed in the two sides of the guide groove, an electromagnet block is connected onto the top of the inner wall of the pump shaft body, the electromagnet block is located above the stop block, and ventilation pieces are connected onto the two sides of the pump shaft body.
Preferably, the vent piece is including seting up the air vent on the pump shaft body, the air vent is located the top of the pump body, one side that the air vent is close to the guide slot contacts with the dog, one side intercommunication that the guide slot was kept away from to the air vent has the breather pipe, and the breather pipe is located the top of the pump body, spiral winding has condenser tube on the breather pipe.
Preferably, the compressing mechanism comprises a piston which is slidably connected to the pump shaft body, the side wall of the piston is slidably connected with the inner wall of the filling cavity, the top of the piston is in contact with the sealing filler, connecting pieces are connected to two sides of the bottom of the piston, a telescopic sleeve connected to the pump body is connected to the bottom of the connecting pieces, a spring sleeved on the telescopic sleeve is arranged at the top of the pump body, and the top of the spring is connected to the connecting pieces.
Preferably, the connecting piece includes the connecting plate that is connected with spring, piston and telescopic tube respectively, articulated on the connecting plate have the movable rod, the bottom of movable rod articulates there is the bracing piece, the top of bracing piece articulates there is sliding connection's supporting shoe on filling the chamber, the bracing piece bottom articulates there is sliding connection's movable block at the pump body.
Compared with the prior art, the invention has the beneficial effects that:
1. The sealing filler in the filling cavity can be continuously compressed when being heated and deformed by the aid of the telescopic sleeve, the spring, the connecting plate and the piston, so that tightness can be maintained, and stability of the piston during compression can be improved by the aid of the movable rod, the support block and the movable block;
2. Through being provided with the connecting rod, can improve the structural strength of pump shaft body, be convenient for walk the heat transfer of pump shaft body through being provided with the heat conduction pole, the heat transfer is to the gasbag on, make the gasbag at the inside thermal expansion of guide way, and then make the gasbag drive the dog and remove on the guide way, thereby make the dog remove from the air vent, make the air vent of both sides can exchange heat with outside cold air through the breather pipe, thereby can reduce the temperature of pump shaft, through setting up condenser tube on the breather pipe, be convenient for cool down the air that flows through the breather pipe, through being circular telegram to the electromagnet block, make the dog can adsorb on the electromagnet block, can avoid beginning to descend just leading to the dog to move down because of the temperature of pump shaft, and then lead to the condition that the air vent was blocked up again by part, can not continue the heat dissipation to the pump shaft body well, after the temperature of pump shaft drops down, no longer thermal expansion this moment, thereby make the dog can move down and block up the air vent, thereby can avoid outside entering hollow pump shaft body, can protect the inside of pump shaft body not corroded.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of the structure of the present invention at A;
Fig. 4 is a schematic structural diagram of the present invention at B.
In the figure: 1. a pump body; 2. a pump shaft; 21. a pump shaft body; 22. a connecting rod; 23. a heat conduction rod; 231. a rod body; 232. an air bag; 233. a guide groove; 234. a stop block; 235. an electromagnet block; 236. a vent; 2361. a vent hole; 2362. a vent pipe; 2363. a cooling water pipe; 3. filling the cavity; 4. a compressing mechanism; 41. a piston; 42. a connecting piece; 421. a connecting plate; 422. a movable rod; 423. a support rod; 424. a support block; 425. a movable block; 43. a telescoping sleeve; 44. a spring; 5. a coupling; 6. a motor; 7. a base; 8. an impeller; 9. a water inlet; 10. and a water outlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a technical scheme that: referring to fig. 1 and 2, a sewage pump suitable for a sludge environment comprises a pump body 1, a pump shaft 2 vertically penetrates through the top of the pump body 1, a filling cavity 3 is arranged between the pump body 1 and the pump shaft 2, sealing filler is filled in the filling cavity 3, a pressing mechanism 4 is arranged in the filling cavity 3, one end of the pump shaft 2 extending out of the pump body 1 is connected with a coupling 5, the coupling 5 is connected with a power rotating shaft of a motor 6, the bottom of the motor 6 is fixedly connected with a base 7 fixed on the pump body 1, an impeller 8 is arranged at the bottom of the pump shaft 2, a water inlet 9 is arranged at the bottom of the pump body 1, a water outlet 10 is arranged at one side of the pump body 1, the pump shaft 2 can drive the impeller 8 to rotate by starting the motor 6, pressure difference can be generated by rotation of the impeller 8, sewage enters the pump body 1 from the water inlet 9, and then is discharged from the water outlet 10.
Referring to fig. 1 and 2, the pump shaft 2 includes a pump shaft body 21 contacting with a sealing filler, the pump shaft body 21 is rotationally connected with the pump body 1 through a bearing, the pump shaft body 21 is of a hollow structure, connecting rods 22 are uniformly arranged on the inner wall of the pump shaft body 21, the structural strength of the hollow pump shaft body 21 can be improved, one side of the connecting rods 22 far away from the pump shaft body 21 is connected with heat conducting rods 23, the heat conducting rods 23 and the connecting rods 22 are made of copper-aluminum alloy, and high heat generated when the pump shaft body 21 is used in a sludge environment is conveniently led out.
Referring to fig. 1, fig. 2 and fig. 3, the heat conducting rod 23 includes a rod body 231 fixedly connected with the connecting rod 22, the top end of the rod body 231 is connected with an air bag 232, the air bag 232 is slidingly connected to the inner wall of the guide groove 233, the air bag 232 is slidingly connected in the guide groove 233, the heated and expanded part of the air bag 232 can be expanded upwards along the inner wall of the guide groove 233, the top of the guide groove 233 is fixedly connected to the pump shaft body 21, the top of the air bag 232 is connected with a stop block 234, both ends of the stop block 234 penetrate through the guide groove 233, both sides of the guide groove 233 are provided with through grooves matched with the stop block 234, the through grooves are used for moving the stop block 234, when the heat conducting rod 23 is heated, the rod body 231 transfers heat to the air bag 232, the air bag 232 is heated and expanded, the stop block 234 moves upwards, thereby the stop block 234 can be removed from the vent 2361, the top of the inner wall of the pump shaft body 21 is connected with an electromagnet block 235, and the electromagnet block 235 is located above the stop block 234, the electromagnet block 235 is electrified through an external power supply, when the stop block 234 moves upwards to contact the electromagnet block 235, the stop block 234 completely leaves the vent block 2361, the vent block 234 completely, and the temperature of the electromagnetic block 234 can be completely cooled down, and the vent shaft can be completely cooled down, and the speed of the pump shaft can be guaranteed, and the vent can be completely cooled down, and the vent can be opened, and the vent can be cooled down, and the temperature can and the vent can be cooled down.
Referring to fig. 1, 2 and 3, the ventilation member 236 includes a ventilation hole 2361 formed on the pump shaft body 21, the ventilation hole 2361 is located above the pump body 1, one side of the ventilation hole 2361 close to the guide groove 233 contacts with the stop block 234, one side of the ventilation hole 2361 away from the guide groove 233 is communicated with a ventilation pipe 2362, the ventilation pipe 2362 is located above the pump body 1, the ventilation pipe 2362 is not contacted with the pump body 1, the length of the ventilation pipe 2362 can be set according to practical conditions, one end of the ventilation pipe 2362 away from the ventilation hole 2361 needs to be communicated with external air, a cooling water pipe 2363 is spirally wound on the ventilation pipe 2362, cooling water is introduced into the cooling water pipe 2363 through an external water source, and cooling of the ventilation pipe 2362 made of aluminum is facilitated.
Referring to fig. 1, 2 and 4, the compressing mechanism 4 includes a piston 41 slidably connected to the pump shaft body 21, a side wall of the piston 41 is slidably connected to an inner wall of the filling cavity 3, a top of the piston 41 contacts with the sealing filler, two sides of a bottom of the piston 41 are connected with a connecting piece 42, a bottom of the connecting piece 42 is connected with a telescopic sleeve 43 connected to the pump body 1, a spring 44 sleeved on the telescopic sleeve 43 is arranged at the top of the pump body 1, the top of the spring 44 is connected to the connecting piece 42, when the temperature of the pump shaft 2 rises, the sealing filler is easy to deform and loose, and at this time, the piston 41 is pushed to move under the action of the spring 44, so that the sealing filler in the filling cavity 3 can be extruded, and the sealing filler is kept in a squeezed state.
Referring to fig. 4, the connecting piece 42 includes a connecting plate 421 connected with a spring 44, a piston 41 and a telescopic sleeve 43, a movable rod 422 is hinged on the connecting plate 421, a supporting rod 423 is hinged at the bottom of the movable rod 422, a supporting block 424 connected on the filling cavity 3 in a sliding manner is hinged at the top of the supporting rod 423, a movable block 425 connected on the pump body 1 in a sliding manner is hinged at the bottom of the supporting rod 423, and when the piston 41 moves, the angle of the movable rod 422 is inclined, so that the supporting rod 423 also moves along with the movement, and both the supporting block 424 and the movable block 425 slide, thereby improving the stability of the piston 41 when moving.
When in use, the motor 6 is started, the pump shaft 2 can drive the impeller 8 to rotate, pressure difference can be generated through the rotation of the impeller 8, sewage enters the pump body 1 from the water inlet 9 and is discharged from the water outlet 10, the pump body 1 works in a large amount of sewage of sludge, the temperature of the pump shaft 2 rises, sealing filler in the filling cavity 3 is easy to deform and loosen, at the moment, the piston 41 is pushed to move under the action of the spring 44, the sealing filler in the filling cavity 3 can be extruded, the sealing filler is kept in a squeezed state, the angle of the movable rod 422 is inclined when the piston 41 moves, the supporting rod 423 also moves along, the supporting block 424 and the movable block 425 slide, the stability when the piston 41 moves is improved, the temperature can be transmitted to the heat conducting rod 23 through the connecting rod 22 when the temperature of the pump shaft 2 rises, further, the air bag 232 is heated and expanded in the guide groove 233, so that the air bag 232 can drive the stop block 234 to move on the guide groove 233, the stop block 234 is removed from the vent hole 2361, when the stop block 234 moves upwards to contact the electromagnet block 235, the stop block 234 just leaves from the vent hole 2361 completely, the electrified electromagnet block 235 contacted by the iron stop block 234 can absorb the stop block 234, the vent holes 2361 on two sides can exchange heat with external cold air through the vent pipe 2362, the temperature of the pump shaft 2 can be reduced, the cooling water pipe 2363 is arranged on the vent pipe 2362, the air flowing through the vent pipe 2362 is cooled conveniently, the stop block 234 is prevented from moving downwards due to the fact that the temperature of the pump shaft 2 begins to fall, the vent hole 2361 is blocked again, the heat dissipation of the pump shaft body 21 cannot be well continued, when the pump body 1 stops working, after the temperature of the pump shaft 2 is reduced, the electromagnet block 235 is powered off, and at the moment, the air bag 232 is not heated and expanded any more, so that the stop block 234 can move downwards to block the vent hole 2361, and therefore external water vapor can be prevented from entering the hollow pump shaft body 21, and the inside of the pump shaft body 21 can be protected from being corroded.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. Sewage pump suitable for mud environment, including the pump body (1), its characterized in that: the pump is characterized in that a pump shaft (2) vertically penetrates through the top of the pump body (1), a filling cavity (3) is arranged between the pump body (1) and the pump shaft (2), sealing filler is filled in the filling cavity (3), a pressing mechanism (4) is arranged in the filling cavity (3), one end of the pump shaft (2) extending out of the pump body (1) is connected with a coupler (5), the coupler (5) is connected with a power rotating shaft of a motor (6), a base (7) fixed on the pump body (1) is fixedly connected to the bottom of the motor (6), an impeller (8) is arranged at the bottom end of the pump shaft (2), The bottom of the pump body (1) is provided with a water inlet (9), one side of the pump body (1) is provided with a water outlet (10), the pump shaft (2) comprises a pump shaft body (21) contacted with sealing filler, the pump shaft body (21) is rotationally connected with the pump body (1) through a bearing, the inside of the pump shaft body (21) is of a hollow structure, connecting rods (22) are uniformly arranged on the inner wall of the pump shaft body (21), one side of the connecting rods (22) far away from the pump shaft body (21) is connected with heat conducting rods (23), the heat conducting rods (23) comprise rod bodies (231) fixedly connected with the connecting rods (22), The top end of the rod body (231) is connected with an air bag (232), the air bag (232) is slidably connected onto the inner wall of the guide groove (233), the top of the guide groove (233) is fixedly connected onto the pump shaft body (21), the top of the air bag (232) is connected with a stop block (234), both ends of the stop block (234) penetrate through the guide groove (233), through grooves matched with the stop block (234) are formed in both sides of the guide groove (233), the top of the inner wall of the pump shaft body (21) is connected with an electromagnet block (235), the electromagnet block (235) is located above the stop block (234), The pump shaft body (21) is connected with ventilation pieces (236) on two sides, the ventilation pieces (236) comprise ventilation holes (2361) formed in the pump shaft body (21), the ventilation holes (2361) are located above the pump body (1), one side, close to the guide groove (233), of the ventilation holes (2361) is contacted with the stop block (234), one side, far away from the guide groove (233), of the ventilation holes (2361) is communicated with a ventilation pipe (2362), the ventilation pipe (2362) is located above the pump body (1), cooling water pipes (2363) are spirally wound on the ventilation pipe (2362), The compressing mechanism (4) comprises a piston (41) which is slidably connected to the pump shaft body (21), the side wall of the piston (41) is slidably connected with the inner wall of the filling cavity (3), the top of the piston (41) is in contact with the sealing filler, connecting pieces (42) are connected to two sides of the bottom of the piston (41), a telescopic sleeve (43) which is connected to the pump body (1) is connected to the bottom of the connecting pieces (42), a spring (44) which is sleeved on the telescopic sleeve (43) is arranged at the top of the pump body (1), and the top of the spring (44) is connected to the connecting pieces (42).
2. A sewage pump suitable for use in a sludge environment as claimed in claim 1, wherein: the connecting piece (42) comprises connecting plates (421) which are respectively connected with a spring (44), a piston (41) and a telescopic sleeve (43), movable rods (422) are hinged to the connecting plates (421), supporting rods (423) are hinged to the bottoms of the movable rods (422), supporting blocks (424) which are connected to the filling cavity (3) in a sliding mode are hinged to the tops of the supporting rods (423), and movable blocks (425) which are connected to the pump body (1) in a sliding mode are hinged to the bottoms of the supporting rods (423).
CN202010988003.6A 2020-09-18 2020-09-18 Sewage pump suitable for sludge environment Active CN112032071B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010988003.6A CN112032071B (en) 2020-09-18 2020-09-18 Sewage pump suitable for sludge environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010988003.6A CN112032071B (en) 2020-09-18 2020-09-18 Sewage pump suitable for sludge environment

Publications (2)

Publication Number Publication Date
CN112032071A CN112032071A (en) 2020-12-04
CN112032071B true CN112032071B (en) 2024-06-21

Family

ID=73575023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010988003.6A Active CN112032071B (en) 2020-09-18 2020-09-18 Sewage pump suitable for sludge environment

Country Status (1)

Country Link
CN (1) CN112032071B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113969895B (en) * 2021-11-25 2023-07-14 安徽岳泉泵业制造有限公司 Centrifugal pump, centrifugal pump assembly and production and use methods thereof
CN114313090B (en) * 2022-02-26 2025-06-06 台州市斗风车业有限公司 Parking mechanism for three-wheeled vehicle
CN115059619B (en) * 2022-08-16 2022-12-23 服务型制造研究院(杭州)有限公司 Industrial pump
CN116641918A (en) * 2023-06-20 2023-08-25 江苏省丰乐铸造有限公司 Pump body foundry goods convenient to maintain

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212337660U (en) * 2020-09-18 2021-01-12 李家豪 A sewage pump suitable for sludge environment

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1375190A (en) * 1963-08-29 1964-10-16 Julien & Mege Improvement in electro-pump units for central heating or other
KR100410673B1 (en) * 2000-12-20 2003-12-18 현대자동차주식회사 Water pump responsive to cooling-water temperature
JP5044525B2 (en) * 2008-10-28 2012-10-10 日立オートモティブシステムズ株式会社 Automotive water pump
EP2338539A1 (en) * 2009-12-23 2011-06-29 ECP Entwicklungsgesellschaft mbH Pump device with a detection device
DE102011086934A1 (en) * 2011-11-23 2013-05-23 Schaeffler Technologies AG & Co. KG Adjustable coolant pump with electro-hydraulic baffle adjustment
CN204386902U (en) * 2014-12-25 2015-06-10 无锡智数商务信息咨询有限公司 A kind of submersible pump
CN108577404A (en) * 2018-04-26 2018-09-28 苏州沃古斯电子商务有限公司 A kind of flexible flower stand of multifunction automatic
CN209129877U (en) * 2018-10-23 2019-07-19 李霖民 A kind of straight drive electric pump
CN209340203U (en) * 2018-12-30 2019-09-03 扬州华辉水泵有限公司 A kind of long axis self-priming dual-purpose pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212337660U (en) * 2020-09-18 2021-01-12 李家豪 A sewage pump suitable for sludge environment

Also Published As

Publication number Publication date
CN112032071A (en) 2020-12-04

Similar Documents

Publication Publication Date Title
CN112032071B (en) Sewage pump suitable for sludge environment
CN201010924Y (en) Automatic fast cooling system for excavator hydraulic oil
CN112467920B (en) Novel high-efficiency motor
CN116682643B (en) Mute type intelligent regulation heat dissipation transformer
CN212337660U (en) A sewage pump suitable for sludge environment
CN113161880A (en) Bury waterproof heat dissipation type regulator cubicle
CN117308474B (en) Heat exchanger assembly for refrigerator
CN107633948A (en) A kind of high efficiency and heat radiation transfiguration electric storage device
CN114413521A (en) Air energy evaporator with automatic refrigerant filling function
CN114198279A (en) Piston type energy-saving gas compressor
CN119022101A (en) Low temperature slow closing check valve
CN218480442U (en) Compressor lubricating liquid cooling mechanism
CN213598150U (en) Waste heat recovery device of air compressor
CN207299990U (en) A kind of waste-heat recovery device of application environmental protection machinery equipment
CN210764349U (en) Dehumidifier for carbon dioxide manufacturing process
CN114087193A (en) Compressor assembly
CN220668397U (en) Screw air compressor waste heat double temperature control valve mechanism
CN113997116A (en) Equipment and method for cooling temperature of numerical control machine tool in operation process
CN209431665U (en) A kind of highly-efficient air energy heat pump
CN112050565A (en) Wooden tray drying device
CN212204731U (en) Protection device of electric heating radiator fan
CN119268181B (en) Condenser and refrigerator using it
CN214502210U (en) Temperature control device for circulating water of closed countercurrent cooling tower
CN116592129B (en) Efficient heat dissipation structure of wind power gear box
CN118793608B (en) A hydraulic booster pump for ground source heating

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant