CN214299568U - Waste water recycling system - Google Patents
Waste water recycling system Download PDFInfo
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- CN214299568U CN214299568U CN202022144622.5U CN202022144622U CN214299568U CN 214299568 U CN214299568 U CN 214299568U CN 202022144622 U CN202022144622 U CN 202022144622U CN 214299568 U CN214299568 U CN 214299568U
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Abstract
The utility model belongs to the technical field of industrial wastewater recycling systems, and relates to a wastewater recycling system, which comprises a diagonal screen filter box connected with a workshop wastewater outlet, wherein the outlet of the diagonal screen filter box is connected with the inlet of a wastewater collection tank, the outlet of the wastewater collection tank is connected with the inlet of a sedimentation tank through a pipeline, the outlet of the sedimentation tank is connected with the inlet of an air flotation tank, the side part of the air flotation tank is provided with a scum groove for receiving scum generated in the air flotation tank, a recycling water port of the air flotation tank is connected with the water inlet of a clean water tank, and a recycling water port of the clean water tank is connected with a recycling water pump; the slag outlet of the scum groove is connected with the inlet of the sludge tank through a scum suction pump. The recycling system can effectively save and utilize limited and precious fresh water resources, can reduce the discharge amount of sewage or waste water, lightens the pollution of water environment, can relieve the overload phenomenon of urban drainage pipelines, and has obvious social benefit, environmental benefit and economic benefit.
Description
Technical Field
The utility model belongs to the technical field of industrial waste water recycling system, a waste water recycling system is related to.
Background
Solid impurities in the wastewater discharged by the filtering production line are recycled. The existing filtering production line adopts a sedimentation tank to realize the recycling of wastewater, the working principle is natural sedimentation, bottom-layer particles are discharged, and upper-layer clear water is recycled. The impurity removal rate is too low, and the recycling efficiency is too low.
Disclosure of Invention
The utility model provides a to above-mentioned problem, provide a waste water recycling system, this recycling system both can practice thrift effectively and utilize limited and valuable fresh water resource, can reduce the emission of sewage or waste water again, alleviates the pollution of water environment, can also alleviate city drainage pipe's overload phenomenon, has obvious social, environmental benefit and economic benefits.
According to the technical scheme of the utility model: a waste water recycling system is characterized in that: the device comprises an inclined sieve filter box connected with a workshop wastewater outlet, wherein an outlet of the inclined sieve filter box is connected with an inlet of a wastewater collection tank, an outlet of the wastewater collection tank is connected with an inlet of a sedimentation tank through a pipeline, an outlet of the sedimentation tank is connected with an inlet of an air flotation tank, a scum groove is arranged on the side part of the air flotation tank to receive scum generated in the air flotation tank, a reuse water port of the air flotation tank is connected with a water inlet of a clean water tank, and a reuse water port of the clean water tank is connected with a reuse water pump;
the slag outlet of the scum groove is connected with the inlet of a sludge pool through a scum suction pump, the outlet of the sludge pool is connected with a screw-stacking type sludge dewatering machine through a sludge pump, the liquid outlet of the screw-stacking type sludge dewatering machine is connected to a waste water collecting tank, and the bottom of a sedimentation tank is connected to the sludge pool through a pipeline;
the sedimentation tank, the scum groove, the sludge tank and the stacked screw type sludge dewatering machine are respectively connected with a dosing mechanism.
As a further improvement, the pipeline that the export of waste water collecting tank and the entry of sedimentation tank are connected is provided with the waste water elevator pump.
As a further improvement of the utility model, the wastewater collection tank is provided with two outlets, and each outlet of the wastewater collection tank is respectively connected with a sedimentation tank through a pipeline; the liquid outlet of each sedimentation tank is respectively connected to an air floatation tank through a pipeline, the reuse water ports of the two air floatation tanks are respectively connected to a clean water tank, and the two air floatation tanks are respectively connected with a scum groove.
As a further improvement, the connecting pipeline between the inclined screen filtering box and the waste water collecting tank is provided with a delivery pump.
As a further improvement of the utility model, the sewage treatment device further comprises an electric control cabinet, wherein the electric control cabinet is used for controlling the working condition of the wastewater lifting pump, the screw-type sludge dewatering machine, the sludge pump, the scum suction pump and the dosing mechanism.
As a further improvement of the utility model, the medicine adding mechanism comprises a medicine adding box body and a stirrer arranged in the medicine adding box body.
The technical effects of the utility model reside in that: the product of the utility model is filtered by the inclined screen to carry out preliminary solid-liquid separation, and a large amount of particle impurities can be removed at the beginning; a dosing system, PAC and PAM are used to flocculate, precipitate and discharge some small particle impurities; an air flotation tank is adopted to separate and remove micro particles, so that the quality of the reuse water is further improved; the stacked spiral sludge dewatering machine is adopted to press the impurities accumulated in the whole process into filter cakes, so that the cleaning is convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
In the figure 1, the device comprises an inclined sieve filter box 1, a wastewater collection tank 2, a wastewater lifting pump 3, a sedimentation tank 4, an air flotation tank 5, a clean water tank 6, a reuse water pump 7, a scum groove 8, a scum suction pump 9, a sludge tank 10, a sludge pump 11, a stacked spiral sludge dehydrator 12, a dosing mechanism 13 and the like.
As shown in fig. 1, the utility model relates to a waste water recycling system, a be used for the processing to workshop industrial waste water, at the during operation, the waste water after the workshop is washd is connected to inclined screen filter box 1, later connect waste water collecting tank 2 through waste water pipeline, waste water collecting tank 2 draws forth two way liquid passageways, corresponding sedimentation tank 4 is connected respectively to two way liquid passageway's the other end, in order to improve waste water collecting tank 2's play liquid efficiency, each way liquid passageway is connected with waste water collecting tank 2 through two waste water elevator pumps 3 respectively with waste water collecting tank 2's junction, the other end of two waste water elevator pumps 3 converges in the pipeline of corresponding liquid passageway.
Sludge conduit connection sludge impoundment 10 is passed through to the bottom of every sedimentation tank 4, and the tail end of every sedimentation tank 4 passes through wastewater line connection an air supporting pond 5 respectively, and 5 bottoms in every air supporting pond pass through sludge conduit connection a scum groove 8, and 5 afterbody in air supporting pond pass through pipe connection clean water basin 6, and clean water basin 6 cooperation is provided with retrieval and utilization water pump 7, and retrieval and utilization water pump 7 passes through the rivers return to the workshop secondary use in the clean water basin 6 of pipeline. Scum groove 8 cooperation is provided with dross suction pump 9, and 8 bottoms in scum groove pass through pipe connection sludge impoundment 10, and the cooperation of sludge impoundment 10 sets up sludge pump 11, and what sludge impoundment 10 bottoms passes through the sludge piping connection and folds spiral shell formula sludge dewaterer 12, folds 12 tail ends of spiral shell formula sludge dewaterer and passes through pipe connection to waste water collection pond 2. It can be understood, in order to effectively improve the treatment effect of sewage, the utility model discloses the product still cooperates and is provided with medicine mechanism 13, adds medicine mechanism 13 and sedimentation tank 4, scum groove 8, sludge impoundment 10, fold spiral shell formula sludge dewaterer 12 and link to each other, for improving the work efficiency who adds medicine mechanism 13, adds medicine mechanism 13 and places the mixer in the medicine box in including adding the medicine box and, the mixer can effectively improve the mixed stirring effect of the internal liquid medicine of medicine box at the during operation to realize improving the purpose of sewage treatment effect.
The utility model discloses a theory of operation: the waste water discharged from the workshop is firstly filtered by an inclined screen for solid-liquid separation, and the filtered waste water enters a waste water collecting tank 2.
Waste water collecting tank 2: because production line waste water source has many places, quality of water differs everywhere, need set up waste water collecting pit and collect waste water. The wastewater is regulated in the collecting tank to ensure the normal operation of subsequent treatment facilities.
In order to improve the utility model discloses the working effect of product, the utility model discloses the accessory equipment of product:
1) an aeration system: preventing sludge in the wastewater from depositing, neutralizing and stirring the wastewater and alkali liquor;
2) pH on-line instrument: and controlling an alkali adding metering pump to adjust the pH value of the wastewater to about 7.5-8.2.
The wastewater collection tank 2 is uniformly lifted into a subsequent coagulating sedimentation tank 4 through a wastewater lifting pump 3.
In order to realize carrying out real-time detection to the operating mode of waste water collecting pit 2, waste water collecting pit 2 has the auxiliary assembly: 1) an electromagnetic flow meter: and measuring the unit flow and the accumulated flow to ensure that the treated water amount is within the design range.
The medicine adding mechanism 13 is used for adding medicine into the equipment of the product of the utility model, so as to improve the sewage treatment effect, and the waste water after neutralization, coagulation and flocculation enters the sedimentation tank 4. The sedimentation tank 4 is a device for performing solid-liquid separation, and mainly removes sand grains and heavy-specific-gravity scum in water. Sludge sinks into a sludge collecting hopper at the bottom of the sedimentation tank 5, is discharged to a sludge tank 10 through a sludge discharge valve at the bottom for drying treatment, and supernatant is discharged to the air flotation tank 5 through an upper overflow weir.
In order to reliably realize the action process, the air flotation tank 5 is provided with the following auxiliary devices:
1) dissolved gas water pump system: preparing a micro gas mixed solution in water;
2) slag scraping machine: scum formed on the upper part during air floatation operation is scraped;
3) a scum trough: scum generated by air floatation automatically flows into a scum trough 8 and then enters a sludge tank through a scum suction pump 9.
The reuse water treated by the air floatation tank 5 flows into a clean water tank 6 for storage. The clean water tank 6 conveys the reuse water back to the workshop for reuse through a pipeline and a reuse water pump 7. The scum treated by the floatation tank 5 flows into a scum trough 8. The scum in the scum tank 8 flows to a sludge tank 10 by a scum suction pump 9.
A sludge tank 10: the sludge settled in the sedimentation tank and the scum of the air floatation system are converged into the sludge tank and mixed in the sludge tank.
Auxiliary equipment of the sludge tank 10: 1) an aeration system: preventing sludge deposition and sludge in a mixed sedimentation tank and floating slag of an air floatation system;
the sludge tank 10 lifts the sludge to the stacked screw type sludge dewatering machine 12 by the sludge pump 11.
Stacked screw type sludge dewatering machine 12: after the sludge enters the laminated sludge dewatering machine 12, the spiral pushing shaft rotates to push multiple fixed and movable laminated sheets on the periphery of the shaft to move relatively, and water is filtered out from the laminated sheet gaps which move relatively under the action of gravity, so that rapid concentration is realized. The concentrated sludge continuously moves forwards along with the rotation of the spiral shaft; along the outlet direction of the mud cake, the pitch of the spiral shaft is gradually reduced, the gap between the rings is also gradually reduced, and the volume of the spiral cavity is continuously contracted; under the effect of exit back pressure board, interior pressure strengthens gradually, and under the spiral promotes axle and moves in proper order and promote in succession, the moisture in the mud is discharged by the extrusion, and the filter cake solid content constantly rises, finally realizes the continuous dehydration of mud.
The stacked screw type sludge dewatering machine 12 discharges the filter cake, and the filtered liquid obtained by extrusion is discharged to the wastewater collection tank 2 again.
Claims (6)
1. A waste water recycling system is characterized in that: the device comprises an inclined sieve filter box (1) connected with a workshop wastewater outlet, wherein an outlet of the inclined sieve filter box (1) is connected with an inlet of a wastewater collection tank (2), an outlet of the wastewater collection tank (2) is connected with an inlet of a sedimentation tank (4) through a pipeline, an outlet of the sedimentation tank (4) is connected with an inlet of an air flotation tank (5), a scum groove (8) is formed in the side part of the air flotation tank (5) to receive scum generated in the air flotation tank (5), a reuse water port of the air flotation tank (5) is connected with a water inlet of a clean water tank (6), and a reuse water port of the clean water tank (6) is connected with a reuse water pump (7);
a slag outlet of the scum groove (8) is connected with an inlet of a sludge pool (10) through a scum suction pump (9), an outlet of the sludge pool (10) is connected with a screw-stacking type sludge dewatering machine (12) through a sludge pump (11), a liquid outlet of the screw-stacking type sludge dewatering machine (12) is connected to the wastewater collection pool (2), and the bottom of the sedimentation pool (4) is connected to the sludge pool (10) through a pipeline;
the sedimentation tank (4), the scum groove (8), the sludge tank (10) and the stacked spiral sludge dewatering machine (12) are respectively connected with a dosing mechanism (13).
2. The wastewater reuse system according to claim 1, wherein: and a wastewater lifting pump (3) is arranged on a pipeline connecting the outlet of the wastewater collection tank (2) and the inlet of the sedimentation tank (4).
3. The wastewater reuse system according to claim 1, wherein: the wastewater collection tank (2) is provided with two outlets, and each outlet of the wastewater collection tank (2) is connected with one sedimentation tank (4) through one pipeline; the liquid outlet of each sedimentation tank (4) is respectively connected to one air floatation tank (5) through a pipeline, the reuse water ports of the two air floatation tanks (5) are respectively connected to a clean water tank (6), and the two air floatation tanks (5) are respectively connected with a scum trough (8).
4. The wastewater reuse system according to claim 1, wherein: and a delivery pump is arranged on a connecting pipeline between the inclined screen filtering box (1) and the wastewater collecting tank (2).
5. The wastewater reuse system according to claim 1, wherein: the device also comprises an electric control cabinet (14), wherein the electric control cabinet (14) is used for controlling the working conditions of the wastewater lifting pump (3), the stacked spiral sludge dewatering machine (12), the sludge pump (11), the scum suction pump (9) and the dosing mechanism (13).
6. The wastewater reuse system according to claim 1, wherein: the dosing mechanism (13) comprises a dosing box body and a stirrer arranged in the dosing box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144622.5U CN214299568U (en) | 2020-09-25 | 2020-09-25 | Waste water recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022144622.5U CN214299568U (en) | 2020-09-25 | 2020-09-25 | Waste water recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214299568U true CN214299568U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022144622.5U Active CN214299568U (en) | 2020-09-25 | 2020-09-25 | Waste water recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214299568U (en) |
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2020
- 2020-09-25 CN CN202022144622.5U patent/CN214299568U/en active Active
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