CN210286866U - Sewage treatment equipment - Google Patents

Abstract

The utility model relates to a sewage treatment equipment, comprising: a solid-liquid separation container; a mixing reaction box, which is arranged inside the solid-liquid separation container, and the lower part of the mixing reaction box is communicated with the solid-liquid separation container, used for The flocculant is mixed with the sewage and the reacted substances are transported to the solid-liquid separation container for solid-liquid separation; the dosing device and the sewage input part are respectively used to add the flocculant and the sewage into the mixing reaction tank; clean water The collection part is arranged on the upper part of the solid-liquid separation container; the solid discharge part is arranged at the bottom of the solid-liquid separation container. The overall structure of the utility model is compact, and it is convenient to move and change the layout position according to the needs of sewage treatment; the sewage and the flocculant have more sufficient contact and reaction time in the mixing reaction box, and the pollutants in the sewage can basically be flocculated and precipitated into solids The particles are settled to the bottom, and the expected sewage treatment effect can be achieved.

Description

Sewage treatment equipment

Technical Field

The utility model relates to a water treatment field especially relates to sewage treatment device.

Background

With the acceleration of the urbanization process, the urban life, construction and other garbage are more and more, and the negative effects of human activities are added, so that the serious water environment pollution is caused. In order to reduce the influence on the environment, the sewage must be treated and then discharged, and therefore, corresponding sewage treatment equipment and a corresponding process method are developed on the market. At present, the common sewage treatment methods comprise stage filtration, solid-liquid separation after precipitation and the like, can realize that harmful solid matters in sewage are directly extracted and then purified clean water is discharged, however, for the solid-liquid separation method after precipitation, on one hand, the adopted equipment structure is complex and heavy, and is not beneficial to changing the arrangement position according to the actual sewage treatment requirement; on the other hand, the solid-liquid separation after the precipitation is not thorough, and the discharged clear water often has more solid particles, which cannot achieve the expected sewage treatment effect, so that the solid-liquid separation reaction time can only be prolonged as far as possible, and the sewage treatment efficiency is inevitably reduced.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an improved sewage treatment apparatus for solving the problem of poor sewage treatment effect caused by insufficient solid-liquid separation.

A wastewater treatment plant, said wastewater treatment plant comprising:

a solid-liquid separation vessel;

the mixed reaction box is arranged in the solid-liquid separation container, the lower part of the mixed reaction box is communicated with the solid-liquid separation container, and the mixed reaction box is used for mixing an externally-added flocculating agent with sewage and conveying a substance obtained by reaction to the solid-liquid separation container for solid-liquid separation;

the dosing device is connected with the mixing reaction box and is used for filling a flocculating agent into the mixing reaction box;

the sewage input component is connected with the mixed reaction box and is used for filling sewage into the mixed reaction box;

the clear water collecting component is arranged at the upper part of the solid-liquid separation container and is used for overflowing and discharging clear water after solid-liquid separation;

and a solid discharge member provided at the bottom of the solid-liquid separation vessel and used for discharging the solid after the solid-liquid separation.

When sewage is treated, the flocculating agent passes through the dosing device, sewage passes through the sewage input part and adds the mixing reaction case jointly, and the mixed reaction of additional flocculating agent and sewage is carried out in the mixing reaction case, and the pollutant flocculation becomes solid particle. The reacted substances all flow into the solid-liquid separation container, solid particles formed by flocculation in the solid-liquid separation container naturally sink to the bottom of the solid-liquid separation container under the action of self gravity and are directly discharged outwards through the solid discharge part, and clear water obtained by solid-liquid separation slowly rises in a space between the outer wall of the mixing reaction box and the inner wall of the solid-liquid separation container and directly enters the clear water collection part. By the arrangement, the sewage treatment equipment can achieve at least some effects as follows: the device has compact integral structure, can simultaneously complete flocculation precipitation and clear water separation in one device, occupies small space, and is convenient to move and change the arrangement position according to the sewage treatment requirement; in a processing procedure, sewage and flocculating agent have more abundant contact and reaction time in mixing the reaction box, and the pollutant in the sewage can all be solid particle and deposit to the bottom through reaction flocculation and precipitation basically, and the clear water after the separation directly gets into the clear water collecting part, and solid-liquid separation goes on comparatively thoroughly, can reach the sewage treatment effect of expectation, and need not prolong reaction time deliberately, has promoted sewage treatment's efficiency.

In one embodiment, a flow blocking structure is distributed in the mixing reaction box and used for reducing the flow speed of the sewage and the flocculating agent.

In one embodiment, the flow blocking structure is a flow blocking partition plate arranged at an interval from top to bottom.

In one embodiment, the inner cavity of the mixing reaction box is of a bent structure.

In one embodiment, the clear water collecting part comprises an overflow collecting water tank, the overflow collecting water tank is arranged outside the solid-liquid separation container, and the overflow collecting water tank is communicated with the top of the solid-liquid separation container.

In one embodiment, the device further comprises an overflow guiding groove body, which is arranged at the top opening of the solid-liquid separation container, is communicated with the clean water collecting part, and is used for introducing the clean water overflowing from the solid-liquid separation container and guiding the clean water out to the clean water collecting part.

In one embodiment, the overflow guiding groove body is in a strip shape, the edge of the groove wall of the overflow guiding groove body is lower than the top opening of the solid-liquid separation container, and the overflow guiding groove body is communicated with the clean water collecting part through a leading-out opening at one end.

In one embodiment, the overflow guiding grooves are provided in plurality and are respectively arranged on two sides of the mixing reaction tank.

In one embodiment, the dosing device is a dosing funnel, and the sewage input part is a sewage input pipe; the medicine feeding funnel and the sewage input pipe are arranged side by side at the top of the solid-liquid separation container and are respectively communicated with the mixed reaction box.

In one embodiment, the solids discharge means is a blowdown conduit provided at the bottom of the solid-liquid separation vessel.

Drawings

Fig. 1 is a schematic perspective view of a sewage treatment apparatus according to an embodiment of the present invention;

FIG. 2 is a front view of the sewage treatment apparatus shown in FIG. 1;

FIG. 3 is a sectional view taken along A-A of the sewage treatment apparatus shown in FIG. 2;

FIG. 4 is a schematic perspective view of the sewage treatment apparatus shown in FIG. 1 without a top cover.

In the figure, 100 solid-liquid separation container, 110 top cover, 120 longitudinal partition board,

200. a mixing reaction chamber, 210, a flow blocking structure,

300. a medicine adding device 310, a medicine adding funnel,

400. a sewage input part, 410, a sewage input pipe,

500. clean water collection component, 510, overflow collection water tank, 520, drain pipe,

600. an overflow guide groove, 610, a lead-out port,

700. a solids discharge member, 710, a blowdown, 720, a flange,

800. and fixing the bracket.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

It will be apparent to those skilled in the art that the description of the various embodiments of the invention is provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.

It should be understood that the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. When an element is referred to as being "secured to" 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, in an embodiment of the present invention, a sewage treatment apparatus is provided, which includes:

a solid-liquid separation container 100 for performing solid-liquid separation on a substance obtained after the reaction in the mixed reaction tank 200;

a mixing reaction tank 200 which is arranged inside the solid-liquid separation container 100, the lower part of the mixing reaction tank 200 is communicated with the solid-liquid separation container 100, and is used for mixing an external flocculating agent with sewage and conveying a substance obtained by reaction to the solid-liquid separation container 100;

the dosing device 300 is connected with the mixing reaction box 200 and is used for filling a flocculating agent into the mixing reaction box 200;

a sewage input part 400 connected to the mixing reaction tank 200, for filling sewage into the mixing reaction tank 200;

a clear water collecting part 500 which is arranged at the upper part of the solid-liquid separation container 100 and is used for overflowing and discharging clear water after solid-liquid separation;

a solid discharge means 700 provided at the bottom of the solid-liquid separation vessel 100 for discharging the solid after the solid-liquid separation.

The flocculation and precipitation method is a commonly used means in the current sewage treatment, the existing flocculation and precipitation equipment generally comprises a flocculation tank and a precipitation tank, sewage is fully mixed with a flocculating agent in the flocculation tank at first, after the mixing is finished, the sewage in the flocculation tank enters the precipitation tank, and after the precipitation is finished, supernatant is discharged for further treatment.

Referring to fig. 2 to 4, in the above embodiment, in specific operation, the flocculant is added into the mixing reaction tank 200 through the dosing device 300 and the sewage is added through the sewage input part 400, and the added flocculant and the sewage are mixed and reacted in the mixing reaction tank 200. The material obtained after the reaction directly flows into the solid-liquid separation container 100, the solid particles formed by flocculation in the solid-liquid separation container 100 naturally sink to the bottom of the solid-liquid separation container 100 under the action of self gravity and are directly discharged outwards through the solid discharge part 700, and the clear water obtained by solid-liquid separation slowly rises in the space between the outer wall of the mixing reaction box 200 and the inner wall of the solid-liquid separation container 100 and directly enters the clear water collection part 500. The device has compact integral structure, can simultaneously complete flocculation precipitation and clear water separation in one device, occupies small space, and is convenient to move and change the arrangement position according to the sewage treatment requirement; in a processing procedure, sewage and flocculating agent have very abundant mutual contact and reaction time in mixing reaction case 200, and the pollutant in the sewage can all be solid particle and deposit to the bottom through reaction flocculation and precipitation basically, and the clear water after the separation directly gets into clear water collecting component 500, and solid-liquid separation is comparatively thorough, can reach anticipated sewage treatment effect, and need not prolong reaction time deliberately, has promoted sewage treatment's efficiency. The continuous operation of the sewage flocculation precipitation treatment process can be realized by reasonably controlling the flocculating agent and the sewage filling speed.

Referring to fig. 3 and 4, in some embodiments, a flow blocking structure 210 is disposed in the mixing reaction chamber 200 for reducing the flow rate of the sewage and the flocculant. Specifically, after the sewage and the flocculant are added into the mixing reaction tank 200, the flow blocking structure 210 has a blocking effect on the sewage and the flocculant, so that the contact area and the contact time of the flocculant and the sewage are increased, the sewage and the flocculant are ensured to be subjected to more sufficient mixing reaction in the mixing reaction tank 200, pollutants in the sewage can be basically flocculated into solid particles through reaction in the mixing reaction tank 200, and the effect of solid-liquid separation in the solid-liquid separation container 100 is ensured.

In some embodiments, the baffle structure 210 is a baffle plate disposed in the mixing reaction chamber 200 at an interval from top to bottom. Specifically, through holes can be formed in the surfaces of the flow blocking baffles for allowing sewage and the flocculating agent to pass through from top to bottom, and the flow blocking baffles arranged at intervals up and down prevent the sewage from flowing and limit the flowing speed of the sewage and the flocculating agent by arranging barriers layer by layer, so that the reaction time of the sewage and the flocculating agent in the mixing reaction box 200 is prolonged; and sewage and flocculating agent can more fully mix through the repeated collision with the baffle that flows, have increased area of mutual contact. The reaction time is prolonged as a whole by the above action, and the pollutants can have sufficient opportunity to contact and react with the flocculating agent.

Preferably, the adjacent baffle plates can be arranged in the mixing reaction box 200 in a staggered manner, so that the flow of sewage can be further prevented, the contact area between the sewage and the flocculating agent is increased, and the reaction is more complete.

It is understood that in other embodiments, the baffle structure 210 may also be other structures, such as bumps or ribs disposed on the inner wall of the mixing chamber 200, or reciprocating stirring blades disposed in the mixing chamber 200, as long as the flow speed of the sewage and the flocculant can be limited and the contact area between the sewage and the flocculant can be increased, which is not limited herein.

In some embodiments, the mixing chamber 200 has a curved interior. The mixed reaction case 200 of crooked structure can increase the flow distance of sewage and flocculating agent in mixed reaction case 200 to prolonged the reaction time of flocculating agent and sewage, and sewage and flocculating agent can mix more fully through the collision with mixed reaction case 200 inner chambers, increased area of mutual contact, it is more abundant to guarantee the mixed reaction jointly.

Referring to fig. 1, 2 and 4, in some embodiments, the fresh water collection means 500 comprises an overflow collection sump 510, the overflow collection sump 510 being disposed outside the solid-liquid separation vessel 100, and the overflow collection sump 510 being in communication with the top of the solid-liquid separation vessel 100. Specifically, the communication manner between the overflow collecting water tank 510 and the solid-liquid separation vessel 100 may be various, for example, an overflow hole is formed on the side wall of the solid-liquid separation vessel 100, and the clean water in the solid-liquid separation vessel 100 directly flows into the overflow collecting water tank 510 on the outer side through the overflow hole; when the top opening of the overflow collecting water tank 510 is flush with the top opening of the solid-liquid separation container 100 or lower than the top opening of the solid-liquid separation container 100, the clean water in the solid-liquid separation container 100 may directly overflow to the overflow collecting water tank 510, and the clean water entering the overflow collecting water tank 510 may be directly discharged to the outside through the drain pipe 520. It is understood that in some other embodiments, besides the overflow collecting water tank 510, the clean water collecting unit 500 may be an overflow water tank disposed outside the solid-liquid separation container 100, the overflow water tank is of a closed structure and can contain a certain amount of clean water, and the clean water in the solid-liquid separation container 100 can directly flow into the overflow water tank to be stored and discharged at intervals.

Referring to fig. 3 and 4, in some embodiments, the system further includes an overflow guiding groove 600, which is disposed at the top opening of the solid-liquid separation container 100 and is communicated with the clean water collecting part 500, and is used for introducing clean water overflowing from the solid-liquid separation container 100 and guiding the clean water out to the clean water collecting part 500. When the liquid level in the solid-liquid separation container 100 rises to the opening at the top, water flows into the overflow guiding groove body 600 and flows into the clear water collecting part 500 along the overflow guiding groove body 600, the overflow direction of clear water can be controlled by the scheme, the clear water is accurately guided to the clear water collecting part 500, and the clear water is prevented from flowing outwards or even directly flowing out to the outside of the whole equipment; the overflow guide groove 600 can also control the speed of the clear water overflowing into the clear water collecting part 500, and further ensure the flow of the water discharged from the clear water collecting part 500 to be stable.

Preferably, the overflow guide groove 600 is elongated, and the edge of the groove wall of the overflow guide groove 600 is lower than the top opening of the solid-liquid separation container 100, and the overflow guide groove 600 is communicated with the clean water collecting member 500 through a lead-out opening 610 at one end. When the liquid level in the solid-liquid separation vessel 100 rises to exceed the top edge of the tank wall of the overflow guide tank 600, water flows into the overflow guide tank 600 and flows into the fresh water collecting part 500 through the lead-out 610. The structure is convenient to manufacture, can save manufacturing cost, and is convenient for connection and assembly among all parts.

In some embodiments, a plurality of overflow guide grooves 600 are formed at both sides of the mixing reaction tank 200. The plurality of overflow guide grooves 600 can lead out the clean water in the solid-liquid separation container 100 to the clean water collecting part 500 at the same time, so that the clean water can be prevented from flowing out of the whole device at random when the input flow is too large, the discharge speed of the clean water is accelerated, and the use flexibility is higher.

Referring to fig. 3 and 4, in some embodiments, the solid-liquid separation vessel 100 is provided with a longitudinal partition 120 inside for dividing the inner cavity of the solid-liquid separation vessel 100 into a plurality of longitudinal spaces. After the inner cavity of the solid-liquid separation container 100 is divided into a plurality of longitudinal spaces by the longitudinal partition plates 120, the clear water obtained by solid-liquid separation can uniformly rise at a consistent speed in each longitudinal space between the outer wall of the mixing reaction box 200 and the inner wall of the solid-liquid separation container 100, so that the rising clear water can always flow into the clear water collecting component 500 at a stable flow rate, and the situation that the flow rate flowing into the clear water collecting component 500 is unstable due to the fluctuation of the liquid level in the solid-liquid separation container 100 is reduced.

Referring to fig. 1-3, in some embodiments, the medicating device 300 is a medicating funnel 310 and the wastewater input component 400 is a wastewater input pipe 410; the dosing funnel 310 and the sewage input pipe 410 are installed at the top of the solid-liquid separation container 100 side by side and are respectively communicated with the mixing reaction tank 200. Can be respectively through adding medicine funnel 310 and sewage input tube 410 with flocculating agent and sewage synchronous infusion to mixing reaction case 200 in, in this process, can freely adjust the speed of adding medicine and the speed of sewage input according to the production needs and make the injection velocity of the two match in order to guarantee going on fully of flocculation.

Referring to FIG. 3, in some embodiments, the solids discharge means 700 is a blowdown line 710 disposed at the bottom of the solid-liquid separation vessel 100. When solid pollutant particles accumulated at the bottom of the solid-liquid separation container 100 reach a certain amount, the solid particles can be discharged by opening the blow-down valve on the blow-down pipe 710, and the blow-down valve is closed after the solid particles are discharged. Preferably, a flange 720 is installed at the outlet of the sewage pipe 710, and the sewage pump is connected to the port of the sewage pipe 710 through the flange 720, so that the bottom settled particles can be directly pumped away by the sewage pump.

Referring to fig. 1, in some embodiments, the top of the solid-liquid separation container 100 is provided with a top cover 110, and the chemical feeding device 300 and the sewage input part 400 are both mounted on the top cover 110. The top cover 110 can prevent contaminants in the air from entering the inside of the solid-liquid separation container 100, and facilitate the assembly of the chemical adding device 300 and the sewage input part 400.

As shown in fig. 2 and 3, in some embodiments, the lower portion of the solid-liquid separation vessel 100 is funnel-shaped. Specifically, the solid particles may slide along the lower inner wall of the solid-liquid separation vessel 100 to the bottommost portion, and then be discharged through the solid discharge means 700. The lower portion of the solid-liquid separation vessel 100 is funnel-shaped to facilitate the concentrated collection and subsequent treatment of the solid particles.

In some embodiments, a filter layer (not shown) is disposed in the space between the inner wall of the solid-liquid separation vessel 100 and the outer wall of the mixing reaction chamber 200. Along with the slow rise of the liquid level of the clear water precipitated and separated in the solid-liquid separation container 100, the clear water can pass through the filtering layer and then flow into the clear water collecting component 500, trace pollutants can be directly filtered by the filtering layer in the process, the filtered clear water has less impurity content and higher cleanliness, the standard of directly discharging to the natural environment can be achieved, and the steps and the cost of subsequent treatment are reduced.

In some embodiments, the solid-liquid separation vessel 100 is disposed on a stationary support 800. The fixing bracket 800 can provide stable support for the solid-liquid separation container 100, reduce the probability of inclination of the solid-liquid separation container, and improve the overall stability of the equipment. Preferably, be equipped with the climbing handrail on the fixed bolster 800, the maintainer can climb the highly relevant part at solid-liquid separation container 100 place through the climbing handrail and overhaul fast, has promoted the use convenience.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. a sewage treatment plant, is characterized in that, described sewage treatment plant comprises: Solid-liquid separation container; The mixing reaction box is arranged inside the solid-liquid separation container, and the lower part of the mixing reaction box is communicated with the solid-liquid separation container, and is used to mix the externally added flocculant and sewage and transport the obtained material to the The solid-liquid separation container performs solid-liquid separation; a dosing device, connected to the mixing reaction box, for adding flocculant to the mixing reaction box; a sewage input part, connected with the mixing reaction tank, for filling sewage into the mixing reaction tank; The clean water collection part is arranged on the upper part of the solid-liquid separation container, and is used to discharge the overflow of clean water after solid-liquid separation; The solid discharge part is provided at the bottom of the solid-liquid separation container, and is used for discharging the solid after the solid-liquid separation. 2 . The sewage treatment equipment according to claim 1 , wherein a baffle structure is arranged in the mixing reaction box to reduce the flow velocity of the sewage and the flocculant. 3 . 3 . The sewage treatment equipment according to claim 2 , wherein the flow blocking structure is a flow blocking baffle arranged at an upper and lower interval. 4 . 4. The sewage treatment equipment according to any one of claims 1-3, wherein the inner cavity of the mixing reaction box is a curved structure. 5. The sewage treatment equipment according to any one of claims 1-3, wherein the clean water collecting part comprises an overflow collecting water tank, and the overflow collecting water tank is provided outside the solid-liquid separation container, and the The overflow collecting water tank is communicated with the top of the solid-liquid separation container. 6. The sewage treatment equipment according to any one of claims 1-3, characterized in that it further comprises an overflow guide groove body, which is opened at the top of the solid-liquid separation container and communicated with the clean water collecting part, used for The clean water overflowing from the solid-liquid separation container is introduced and led out to the clean water collecting part. 7 . The sewage treatment equipment according to claim 6 , wherein the overflow guide groove body is elongated, and the edge of the groove wall of the overflow guide groove body is lower than the top opening of the solid-liquid separation container. 8 . , the overflow guide groove body is communicated with the clean water collecting part through an outlet at one end. 8 . The sewage treatment equipment according to claim 6 , wherein there are a plurality of overflow guiding grooves, which are respectively provided on both sides of the mixing reaction tank. 9 . 9. The sewage treatment equipment according to any one of claims 1-3, wherein the dosing device is a dosing funnel, and the sewage input component is a sewage input pipe; the dosing funnel and the sewage The input pipes are installed side by side on the top of the solid-liquid separation vessel and communicate with the mixing reaction tank respectively. 10. The sewage treatment equipment according to any one of claims 1 to 3, wherein the solid discharge component is a sewage pipe disposed at the bottom of the solid-liquid separation container.

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