CN221299624U - Siphon device is prevented to backwash gas fan export - Google Patents
Siphon device is prevented to backwash gas fan export Download PDFInfo
- Publication number
- CN221299624U CN221299624U CN202323213767.6U CN202323213767U CN221299624U CN 221299624 U CN221299624 U CN 221299624U CN 202323213767 U CN202323213767 U CN 202323213767U CN 221299624 U CN221299624 U CN 221299624U
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- Prior art keywords
- air inlet
- filter
- outlet
- pipe section
- air
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- 230000003068 static effect Effects 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 3
- 238000011001 backwashing Methods 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 235000013547 stew Nutrition 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 turbidity Chemical compound 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model belongs to the field of sewage treatment, and in particular relates to an anti-siphon device for an outlet of a backwashing air blower, which comprises a filter tank and a blower, wherein the filter tank is provided with an air inlet, the blower is connected to the air inlet of the filter tank through an air pipeline, the air pipeline comprises an air inlet pipe section, a static outer sleeve pipe and an air outlet pipe section, the air inlet pipe section is connected with the blower and the static outer sleeve pipe, the air outlet pipe section is connected with the static outer sleeve pipe and the air inlet of the filter tank, the static outer sleeve pipe is longitudinally arranged, and the top of the static outer sleeve pipe is higher than the top of the filter tank. According to the utility model, the anti-siphon device is arranged on the main pipe of the outlet of the fan, so that liquid is effectively prevented from siphoning to the pipeline of the outlet of the fan, the phenomenon of siphonage is avoided, the effect is remarkable, and good and normal operation of sewage treatment equipment is ensured; the damage of equipment is effectively reduced, and the stable operation of sewage treatment is ensured. The device for preventing siphoning is simple to install, low in cost and convenient to operate.
Description
Technical Field
The utility model belongs to the field of sewage treatment, and particularly relates to an anti-siphon device for an outlet of a backwashing air blower.
Background
Many kinds of filter tanks, the function of the filter tanks: mechanical filtration, adsorption, contact condensation and precipitation. The filter tank is filled with water through the bottom end, and suspended matters, chemical oxygen demand, nitrate nitrogen, turbidity, phosphorus, heavy metals and the like which need to be further removed in the wastewater are effectively filtered or adsorbed through a filter material after uniform water distribution. The filter material filters the activity (adsorption filterability) that needs to regenerate the filter material through effectual backwash for a certain time, clear up the attachment through the mode that air wash adds the washing, air wash effectually increased the direct contact clearance of filter material and friction stirring, can break up whole filter material layer, increase area of contact, wash the attachment between friction and the stirring, the filter mostly accompanies the air water to jointly wash, just exist when the fan stops suddenly, because of pond end and fan export formation pressure differential, water has siphon to the risk of fan export, can lead to the equipment damage.
Disclosure of Invention
According to the defects of the prior art, the utility model aims to provide the anti-siphon device for the outlet of the backwashing air fan, which is suitable for various sewage treatment devices and can prevent equipment damage caused by siphoning liquid from the outlet pipeline of the backwashing air fan to the outlet pipe of the fan along with the backwashing air pipeline by a filter tank.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a siphon device is prevented to backwash gas fan export, includes filtering pond and fan, the filtering pond sets up the air inlet, and the fan passes through gas piping connection to the air inlet of filtering pond, gas piping includes the inlet tube section, stews the outer tube and gives vent to anger the pipe section, inlet tube section connection fan with stew the outer tube, and the outer tube and the filtering pond air inlet of stewing are connected to the pipe section of giving vent to anger, stew the vertical setting of outer tube, stew the outer tube top height be higher than filtering pond top height.
Further, the air inlet pipe section extends into the outer standing pipe section along the longitudinal direction, the top port of the air inlet pipe section is opened, the outer standing pipe section is covered outside the air inlet pipe section from top to bottom, the bottom of the outer standing pipe section is connected with the outer wall of the air inlet pipe section in a sealing mode, and the top of the outer standing pipe section is closed.
Further, the height of the air inlet pipe section in the standing outer sleeve is larger than the full liquid height of the filter tank.
Further, the diameter of the outer standing sleeve is larger than that of the air inlet pipe section, and a cavity is formed between the inner wall of the outer standing sleeve and the outer wall of the air inlet pipe section.
Further, the bottom of the outer standing sleeve is in sealing connection with the outer wall of the air inlet pipe section through the flange of the outer standing sleeve.
Further, a water outlet is formed in the sealing surface at the bottom of the outer sleeve, the water outlet is connected with a water drainage pipeline, and a water drainage valve is arranged on the water drainage pipeline.
Further, the air outlet pipe section is horizontally arranged, the air outlet pipe section is connected with an air inlet end pipe of the filter through an air outlet pipe flange, and the air inlet end pipe of the filter is connected to an air inlet of the filter.
Further, the air inlet pipe section is connected with the fan outlet pipe section through an air inlet pipe flange.
Further, the bottom of the filter tank is connected with a water inlet pipe of the filter tank, and a water outlet channel of the filter tank is formed at the top of the filter tank.
Further, a filter plate is arranged in the filter tank, a plurality of filter heads are arranged on the filter plate, filter materials or biological fillers with different specifications and sizes are arranged on the filter plate, and an air inlet of the filter tank is arranged below the filter plate.
The beneficial effects of the utility model are as follows: according to the utility model, the anti-siphon device is arranged on the main pipe of the outlet of the fan, so that liquid is effectively prevented from siphoning to the pipeline of the outlet of the fan, the phenomenon of siphonage is avoided, the effect is remarkable, and good and normal operation of sewage treatment equipment is ensured; the damage of equipment is effectively reduced, and the stable operation of sewage treatment is ensured. The device for preventing siphoning is simple to install, low in cost and convenient to operate.
Drawings
FIG. 1 is a schematic diagram of an anti-siphon device at the outlet of a backwash air fan;
FIG. 2 is a schematic diagram of a second embodiment of an anti-siphon device for the outlet of a backwash air fan;
In the figure: 1. the filter tank 2, the filter tank air inlet 3, the air inlet pipe section 4, the static outer sleeve pipe 5, the air outlet pipe section 6, the static outer sleeve pipe flange 7, the water outlet 8, the water drain pipeline 9 and the water drain valve, 10, an air outlet pipe flange, 11, a filter inlet end pipe, 12, an air inlet pipe flange, 13, a filter inlet pipe, 14, a filter outlet channel, 15, a filter plate, 16, a filter head, 17 and a filter material.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Referring to the attached drawings 1-2, an anti-siphon device for a backwash air fan outlet comprises a filter tank 1 and a fan, wherein the filter tank 1 is provided with an air inlet 2, the fan is connected to the air inlet 2 of the filter tank through an air pipeline, the air pipeline comprises an air inlet pipe section 3, a standing outer sleeve 4 and an air outlet pipe section 5, the air inlet pipe section 3 is connected with the fan and the standing outer sleeve 4, the air outlet pipe section 5 is connected with the standing outer sleeve 4 and the air inlet 2 of the filter tank, the standing outer sleeve 4 is longitudinally arranged, and the top of the standing outer sleeve 4 is higher than the top of the filter tank 1. The diameter of the outer standing sleeve 4 is larger than that of the air inlet pipe section 3, and a cavity is formed between the inner wall of the outer standing sleeve 4 and the outer wall of the air inlet pipe section 3.
Based on the technical scheme, when the fan suddenly stops, because the pressure difference is formed between the filter end and the fan outlet, water is siphoned to the risk of the fan outlet, a siphon preventing device is added to the fan outlet pipeline, a reducing sleeve pipe with a caliber larger than that of the fan outlet is added to the upper end of the same height of the top end of the fan outlet pipeline and the filter, and the reducing fan outlet pipeline is opened to the air inlet of the filter at the bottom of the sleeve pipe.
Further, the air inlet pipe section 3 extends into the static outer sleeve 4 along the longitudinal direction, the top port of the air inlet pipe section 3 is opened, the static outer sleeve 4 is covered outside the air inlet pipe section 3 from top to bottom, the bottom of the static outer sleeve 4 is connected with the outer wall of the air inlet pipe section 3 in a sealing way, and the top of the static outer sleeve 4 is closed.
Further, the bottom of the outer standing sleeve 4 is in sealing connection with the outer wall of the air inlet pipe section 3 through the outer standing sleeve flange 6.
Further, a water outlet 7 is formed in the sealing surface at the bottom of the outer sleeve 4, the water outlet 7 is connected with a water draining pipeline 8, a water draining valve 9 is arranged on the water draining pipeline 8, and the water draining valve 9 is a ball valve.
Further, the air outlet pipe section 5 is horizontally arranged, the air outlet pipe section 5 is connected with the air inlet end pipe 11 of the filter through the air outlet pipe flange 10, and the air inlet end pipe 11 of the filter is connected to the air inlet 2 of the filter.
Further, the air inlet pipe section 3 is connected with a fan outlet through an air inlet pipe flange 12.
Further, the bottom of the filter tank 1 is connected with a filter tank water inlet pipe 13, and a filter tank water outlet channel 14 is formed at the top of the filter tank. The filter tank 1 is internally provided with a filter plate 15, a plurality of filter heads 16 are arranged on the filter plate 15, filter materials 17 or biological fillers with different specifications and sizes are arranged on the filter plate 15, and the air inlet 2 of the filter tank is arranged below the filter plate 15. The height of the air inlet pipe section in the outer standing sleeve 4 is larger than the full liquid height of the filter tank.
Based on the technical scheme, the height from the filter plate to the water outlet channel of the filter tank is the full liquid height h1 of the filter tank, the height of the air inlet pipe section in the outer sleeve is h2, the mounting height of the air inlet pipe is ensured to be higher than the water outlet channel of the filter tank, and even if siphoning is generated, the air can be effectively emptied after entering the outer sleeve of the stewing device, namely ρg2 is not less than ρg1. The air inlet of the filter tank is arranged below the filter plate, and gas washes the filter plate from bottom to top during ventilation.
The anti-siphon device is arranged on the main pipeline at the outlet of the backwash fan of the filter tank, the sleeve and the drain ball valve 9 are arranged, and part of liquid which generates siphon and enters the sleeve can be discharged out of the anti-siphon standing device in time. When the filter tank enters backwashing, a fan is started, medium gas enters the standing outer sleeve 4 through the air inlet pipe and then enters the filter tank through the air outlet pipe section 5 for air washing, when the air-water combined water washing is involved, the water inlet end keeps continuously feeding water, the pressure generated by the filter tank is p2=ρg1, the air inlet end P1 is the fan starting operation pressure, when the fan stops operating instantly, the water washing is stopped simultaneously, the liquid level height P2 of the filter tank and P1 form pressure difference, a siphon phenomenon is generated, and water flows back to an outlet pipeline of the fan. The height h2 of the air inlet pipe of the anti-siphon stewing device is larger than or equal to the full liquid level h1, namely when the fan is stopped, ρg2 is larger than or equal to ρg1, and after backwashing is finished, the drain valve 9 is opened to drain part of siphon water out of the stewing outer sleeve.
It should be noted that the detailed portions of the present utility model are not described in the prior art.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.
Claims (10)
1. The utility model provides a siphon device is prevented to backwash gas fan export which characterized in that: the filter comprises a filter and a fan, wherein the filter is provided with an air inlet, the fan is connected to the air inlet of the filter through a gas pipeline, the gas pipeline comprises an air inlet pipe section, a static outer sleeve pipe and an air outlet pipe section, the air inlet pipe section is connected with the fan and the static outer sleeve pipe, the air outlet pipe section is connected with the static outer sleeve pipe and the air inlet of the filter, the static outer sleeve pipe is longitudinally arranged, and the top height of the static outer sleeve pipe is higher than that of the filter.
2. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the air inlet pipe section extends into the static outer sleeve pipe longitudinally, the top port of the air inlet pipe section is opened, the static outer sleeve pipe is covered outside the air inlet pipe section from top to bottom, the bottom of the static outer sleeve pipe is connected with the outer wall of the air inlet pipe section in a sealing mode, and the top of the static outer sleeve pipe is closed.
3. The anti-siphon device for the outlet of the backwash air fan according to claim 2, wherein: the height of the air inlet pipe section in the outer standing sleeve is larger than the full liquid height of the filter tank.
4. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the diameter of the outer standing sleeve is larger than that of the air inlet pipe section, and a cavity is formed between the inner wall of the outer standing sleeve and the outer wall of the air inlet pipe section.
5. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the bottom of the outer standing sleeve is in sealing connection with the outer wall of the air inlet pipe section through a flange of the outer standing sleeve.
6. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the sealing surface of the bottom of the outer sleeve is provided with a water outlet, the water outlet is connected with a water draining pipeline, and the water draining pipeline is provided with a water draining valve.
7. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the air outlet pipe section is horizontally arranged, the air outlet pipe section is connected with an air inlet end pipe of the filter through an air outlet pipe flange, and the air inlet end pipe of the filter is connected to an air inlet of the filter.
8. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: and the air inlet pipe section is connected with the outlet pipe section of the fan through an air inlet pipe flange.
9. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the bottom of the filter tank is connected with a water inlet pipe of the filter tank, and a water outlet channel of the filter tank is formed at the top of the filter tank.
10. The anti-siphon device for the outlet of the backwash air fan according to claim 1, wherein: the filter is characterized in that a filter plate is arranged in the filter, a plurality of filter heads are arranged on the filter plate, filter materials or biological fillers with different specifications and sizes are arranged on the filter plate, and an air inlet of the filter is arranged below the filter plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323213767.6U CN221299624U (en) | 2023-11-28 | 2023-11-28 | Siphon device is prevented to backwash gas fan export |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323213767.6U CN221299624U (en) | 2023-11-28 | 2023-11-28 | Siphon device is prevented to backwash gas fan export |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299624U true CN221299624U (en) | 2024-07-09 |
Family
ID=91736192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323213767.6U Active CN221299624U (en) | 2023-11-28 | 2023-11-28 | Siphon device is prevented to backwash gas fan export |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299624U (en) |
-
2023
- 2023-11-28 CN CN202323213767.6U patent/CN221299624U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |