CN212504358U - Sewage treatment circulating system of concrete mixing plant - Google Patents
Sewage treatment circulating system of concrete mixing plant Download PDFInfo
- Publication number
- CN212504358U CN212504358U CN202021186723.2U CN202021186723U CN212504358U CN 212504358 U CN212504358 U CN 212504358U CN 202021186723 U CN202021186723 U CN 202021186723U CN 212504358 U CN212504358 U CN 212504358U
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- tank
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- dosing
- mixing plant
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- 239000010865 sewage Substances 0.000 title claims abstract description 51
- 239000004567 concrete Substances 0.000 title claims abstract description 44
- 238000002156 mixing Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000004062 sedimentation Methods 0.000 claims abstract description 62
- 239000002002 slurry Substances 0.000 claims abstract description 51
- 239000006228 supernatant Substances 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000000706 filtrate Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000004575 stone Substances 0.000 claims abstract description 3
- 239000003814 drug Substances 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 5
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a sewage treatment circulating system of a concrete mixing plant, which comprises a sewage collecting tank, two filter presses, three sedimentation tanks, two slurry tanks and a clean water tank; the bottom of the sewage collecting tank is provided with a sand and stone particle outlet, and the upper part of the side wall of the sewage collecting tank is provided with a sewage outlet; the sewage outlet is connected with the primary sedimentation tank, the supernatant outlet of the primary sedimentation tank is connected with the dosing tank, and the slurry outlet is connected with the slurry tank I; the first slurry pool is connected with the first filter press, and the filtrate outlet is connected with the dosing pool; a liquid outlet of the dosing tank is connected with a second-stage sedimentation tank, a supernatant outlet of the second-stage sedimentation tank is connected with a third-stage sedimentation tank, and a slurry outlet is connected with a slurry tank II; a supernatant outlet of the third-stage sedimentation tank is connected with a clean water tank, and a slurry outlet is connected with a slurry tank II; the slurry pool II is connected with a filter press II; the filtrate outlet is connected with a clean water tank. The utility model discloses a stirring station effluent treatment plant carries out solid-liquid separation with waste water earlier, then carries out multistage sediment conversion to process water again.
Description
Technical Field
The utility model discloses the environmental protection technology field, concretely relates to concrete mixing plant sewage treatment circulation system.
Background
In the production and operation process of the concrete mixing plant, a large amount of sewage is inevitably generated due to equipment such as a washing mixer, a material transporting tank car, a pump truck and the like or a cleaning field. The sewage not only contains conventional building materials such as sand stone, cement and the like, but also contains various types of concrete additives, if the sewage is directly discharged without treatment, serious pollution is caused to the surrounding natural environment, and a large amount of water resources are wasted. The problems of sewage treatment and recycling of the concrete mixing plant affect the environmental protection of the concrete mixing plant, and are big problems of enterprises producing and using the concrete mixing plant. Therefore, a sewage treatment system capable of protecting the environment and saving water resources is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel concrete mixing plant sewage treatment circulation system to realize sewage cyclic utilization, the zero release.
The utility model provides a concrete mixing plant sewage treatment circulation system, including sewage collecting vat, two pressure filters, three sedimentation tank, two thick liquid ponds and a clean water basin. The three sedimentation tanks are respectively a primary sedimentation tank, a secondary sedimentation tank and a tertiary sedimentation tank; the three sedimentation tanks have the same structure, and the upper parts and the bottom parts of the sedimentation tanks are respectively provided with a supernatant outlet and a lower-layer slurry outlet.
The sewage collecting tank bottom sets up grit particulate matter export, and the grit granule can be carried to concrete mixing plant and retrieve the reuse for concrete mixing plant preparation concrete. A sewage outlet is formed in the upper portion of the side wall of the sewage collecting tank and is connected with a primary sedimentation tank, a supernatant outlet of the primary sedimentation tank is connected with a dosing tank, and a slurry outlet is connected with a slurry tank I; a liquid outlet of the slurry pool I is connected with the first filter press, a filtrate outlet is connected with the medicine adding pool, and filter residues are sand, cement and fine-grained sandstone particles and can be recycled and reused for preparing concrete. A stirrer is arranged in the slurry pool I.
The water outlet of the dosing tank is connected with a second-stage sedimentation tank, the supernatant outlet of the second-stage sedimentation tank is connected with a third-stage sedimentation tank, and the slurry outlet is connected with a second slurry tank; a supernatant outlet of the third-stage sedimentation tank is connected with a clean water tank, and a slurry outlet is connected with a slurry tank II; the slurry pool II is connected with a filter press II; the filtrate outlet is connected with a clean water tank; and discharging filter residues. And a stirrer is arranged in the slurry pool II. The top of the dosing tank is closed, a water inlet and a dosing pipe are arranged at the top, the lower end of the dosing pipe extends into the dosing tank, a spray head is detachably mounted at the tail end of the dosing pipe, the other end of the dosing pipe is connected with a medicine storage tank, and a flocculant aqueous solution is filled in the medicine storage tank; the medicine adding pool is internally provided with a stirrer, and the bottom of the side surface of the medicine adding pool is provided with a water outlet.
The water outlet of the clean water tank is connected to a concrete mixing plant for preparing concrete, or is used as car washing water for a car washing station, cleaning water for the mixing plant or cleaning water for a field.
The two filter presses have the same structure and comprise a frame and a cross beam arranged on the frame, wherein a filtering mechanism is arranged on the cross beam, one end of the cross beam is provided with a pressing device connected with the cross beam, and the other end of the cross beam is provided with a squeezing pump. The filter mechanism comprises a thrust plate, a compression plate and a plurality of filter plates which are arranged between the thrust plate and the compression plate in parallel, the thrust plate, the compression plate and the compression plate are sequentially arranged on the cross beam, a filter chamber is formed between every two adjacent filter plates, and the compression device pushes the compression plate to move the filter plates on the cross beam to compress the filter plates; a water tank is arranged below the filter plate, and a squeezing water tank is arranged below the water tank.
Preferably, add the medicine pond top and be provided with a plurality of pencil that add, every lower extreme demountable installation that adds the pencil has the shower nozzle, and every adds the pencil and is highly telescopic adds the pencil. And a polyacrylamide flocculant solution is filled in the medicine storage tank.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) and recovering large sand particles through a sewage collecting tank, and recovering conventional building materials such as cement, sand, fine sand, gravel and the like in sewage by using a primary sedimentation tank and a filter press to prepare concrete.
(2) The concrete additive in the sewage is removed through the dosing tank, the second-stage sedimentation tank and the third-stage sedimentation tank through flocculation sedimentation to obtain clear water, and the clear water is recycled for preparing concrete or used as car washing water in a car washing yard, washing water in a mixing plant or field washing water.
(3) Not only reasonably and effectively utilizes water resources, but also can recycle the sewage after treatment, and can realize zero discharge of wastewater and protect the ecological environment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a block diagram showing a sewage treatment cycle system of a concrete mixing plant.
FIG. 2 is a schematic view of the structure of the dosing tank.
Figure 3, the structure of the filter press is schematically shown.
Reference numbers in the figures:
the device comprises a sewage collecting tank 1, a dosing tank 2, a clean water tank 3, a primary sedimentation tank 4, a secondary sedimentation tank 5, a tertiary sedimentation tank 6, a slurry tank I7, a filter press I8, a slurry tank II 9, a filter press II 10, a frame 11, a cross beam 12, a pressing device 13, a squeezing pump 14, a thrust plate 15, a pressing plate 16, a filter plate 17, a water tank 18, a squeezing water tank 19, a dosing pipe 21, a spray head 22, a medicine storage tank 23, a stirrer 24, a water inlet 25 and a water outlet 26.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in figures 1-3, the utility model provides a concrete mixing plant sewage treatment circulation system, including sewage collecting tank 1, two pressure filters, three sedimentation tank, add medicine pond 2, two thick liquid ponds and a clean water basin 3. The three sedimentation tanks are respectively a primary sedimentation tank 4, a secondary sedimentation tank 5 and a tertiary sedimentation tank 6; the three sedimentation tanks have the same structure, and the upper parts and the bottom parts of the sedimentation tanks are respectively provided with a supernatant outlet and a lower-layer slurry outlet.
The bottom of the sewage collecting tank is provided with a gravel particle outlet, and gravel particles are conveyed to the concrete mixing plant for recycling and using and are used for preparing concrete in the concrete mixing plant. A sewage outlet is formed in the upper portion of the side wall of the sewage collecting tank and is connected with a primary sedimentation tank, a supernatant outlet of the primary sedimentation tank is connected with a dosing tank, and a slurry outlet is connected with a slurry tank I7; a liquid outlet of the slurry pool is connected with the first filter press 8, a filtrate outlet is connected with the dosing pool, and filter residues are sand, cement and fine-grained sandstone particles and can be recycled and reused for preparing concrete. An agitator (not shown) is installed in the first slurry tank.
The water outlet of the dosing tank is connected with a second-stage sedimentation tank, the supernatant outlet of the second-stage sedimentation tank is connected with a third-stage sedimentation tank, and the slurry outlet is connected with a second slurry tank 9; a supernatant outlet of the third-stage sedimentation tank is connected with a clean water tank, and a slurry outlet is connected with a slurry tank II 9; the slurry pool II is connected with a filter press II 10; the filtrate outlet is connected with a clean water tank; and discharging filter residues. An agitator (not shown) is installed in the slurry pool II. As shown in fig. 2, the top of the dosing tank is closed, the top of the dosing tank is provided with a water inlet 25 and a dosing pipe 21, the lower end of the dosing pipe extends into the dosing tank and is detachably provided with a spray head 22, the other end of the dosing pipe is connected with a medicine storage tank 23, and the inside of the medicine storage tank is filled with a flocculant aqueous solution; the medicine adding pool is internally provided with a stirrer 24, and the bottom of the side surface of the medicine adding pool is provided with a water outlet 26. Further limited, a plurality of dosing pipes are arranged at the top of the dosing tank, a spray nozzle is detachably mounted at the lower end of each dosing pipe, and a polyacrylamide flocculant solution is filled in the drug storage tank. The water outlet of the clean water tank is connected to a concrete mixing plant for preparing concrete, or is used as car washing water for a car washing station, cleaning water for the mixing plant or cleaning water for a field.
The two filter presses have the same structure, and as shown in fig. 3, each filter press comprises a frame 11, a beam 12 arranged on the frame, a filtering mechanism arranged on the beam, a pressing device 13 connected with the beam arranged at one end of the beam, and a squeezing pump 14 arranged at the other end of the beam. The filter mechanism comprises a thrust plate 15, a pressing plate 16 and a plurality of filter plates 17 which are arranged between the thrust plate and the pressing plate in parallel, wherein the thrust plate 15, the pressing plate 16 and the plurality of filter plates are sequentially arranged on the cross beam; a water tank 18 is arranged below the filter plate, and a squeezing water tank 19 is arranged below the water tank.
The utility model discloses a sewage treatment circulation system's working process does: collecting wastewater generated by vehicle washing and wastewater generated by cleaning of a mixing plant or site cleaning in a sewage collecting tank, depositing large-particle gravels in the wastewater at the bottom of the sewage collecting tank, allowing upper-layer sewage to enter a primary sedimentation tank, allowing supernatant after sedimentation to enter a dosing tank, allowing lower-layer slurry to flow into a slurry tank I, conveying the slurry in the slurry tank I to a filter press I, allowing filtrate to enter the dosing tank, and recovering filter residues, namely a mixture of cement, sand and fine-particle gravels, to a concrete mixing plant for preparing concrete; the liquid medicine in the medicine storage tank is added into the medicine adding tank through the medicine adding pump, the liquid medicine and the sewage are uniformly mixed and stirred, a concrete additive in the sewage fully contacts with a flocculating agent, then the sewage is pumped into the secondary sedimentation tank for sedimentation, the concrete additive is settled to the lower layer along with the flocculating agent, the supernatant is pumped into the tertiary sedimentation tank for sedimentation again, the supernatant of the tertiary sedimentation tank is clear water, and the clear water is conveyed into the clear water tank for recycling. Pumping the lower layers of the slurry in the second-stage sedimentation tank and the third-stage sedimentation tank into a second slurry tank, performing pressure filtration through a second pressure filter, sending filtrate into a clean water tank, and discharging filter residues for additional treatment. The clean water in the clean water tank is reused for preparing concrete in the concrete mixing plant, or is used as car washing water in a car washing station, cleaning water for the mixing plant or cleaning water for the plant, so that zero discharge of sewage is realized.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (6)
1. A sewage treatment circulating system of a concrete mixing plant is characterized by comprising a sewage collecting tank, two filter presses, three sedimentation tanks, two slurry tanks and a clean water tank; the three sedimentation tanks are respectively a primary sedimentation tank, a secondary sedimentation tank and a tertiary sedimentation tank; the three sedimentation tanks have the same structure, and the upper parts and the bottom parts of the sedimentation tanks are respectively provided with a supernatant outlet and a lower layer slurry outlet;
the bottom of the sewage collecting tank is provided with a sand and stone particle outlet, and the upper part of the side wall of the sewage collecting tank is provided with a sewage outlet; the sewage outlet is connected with the primary sedimentation tank, the supernatant outlet of the primary sedimentation tank is connected with the dosing tank, and the slurry outlet is connected with the slurry tank I; the first slurry pool is connected with the first filter press, the filtrate outlet is connected with the dosing pool, and filter residues are reused for preparing concrete;
the water outlet of the dosing tank is connected with a second-stage sedimentation tank, the supernatant outlet of the second-stage sedimentation tank is connected with a third-stage sedimentation tank, and the slurry outlet is connected with a second slurry tank; a supernatant outlet of the third-stage sedimentation tank is connected with a clean water tank, and a slurry outlet is connected with a slurry tank II; the slurry pool II is connected with a filter press II; the filtrate outlet is connected with a clean water tank;
the water outlet of the clean water tank is connected to a concrete mixing plant for preparing concrete, or is used as car washing water for a car washing station, cleaning water for the mixing plant or cleaning water for a field;
the two filter presses have the same structure, each filter press comprises a frame and a cross beam arranged on the frame, a filtering mechanism is arranged on the cross beam, one end of the cross beam is provided with a pressing device connected with the cross beam, and the other end of the cross beam is provided with a squeezing pump; the filter mechanism comprises a thrust plate, a compression plate and a plurality of filter plates which are arranged between the thrust plate and the compression plate in parallel, the thrust plate, the compression plate and the compression plate are sequentially arranged on the cross beam, a filter chamber is formed between every two adjacent filter plates, and the compression device pushes the compression plate to move the filter plates on the cross beam to compress the filter plates; a water tank is arranged below the filter plate, and a squeezing water tank is arranged below the water tank.
2. The concrete mixing plant sewage treatment circulating system of claim 1, wherein the top of the dosing tank is closed, the top is provided with a water inlet and a dosing pipe, the lower end of the dosing pipe extends into the dosing tank, a nozzle is detachably mounted at the end of the dosing pipe, the other end of the dosing pipe is connected with a medicine storage tank, and the medicine storage tank is filled with a flocculant aqueous solution; the medicine adding pool is internally provided with a stirrer.
3. The concrete mixing plant sewage treatment circulating system of claim 2, wherein a plurality of dosing pipes are arranged at the top of the dosing tank, and a spray head is detachably mounted at the lower end of each dosing pipe.
4. The concrete mixing plant sewage treatment cycle system of claim 3, wherein the drug storage tank is filled with a polyacrylamide flocculant solution.
5. The concrete mixing plant sewage treatment cycle system of claim 1, wherein the sand particulate outlet is connected to a sand conveyor for transporting sand to the concrete mixing plant.
6. The concrete mixing plant sewage treatment cycle system of claim 1, wherein agitators are installed in the first slurry tank and the second slurry tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186723.2U CN212504358U (en) | 2020-06-23 | 2020-06-23 | Sewage treatment circulating system of concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186723.2U CN212504358U (en) | 2020-06-23 | 2020-06-23 | Sewage treatment circulating system of concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212504358U true CN212504358U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186723.2U Expired - Fee Related CN212504358U (en) | 2020-06-23 | 2020-06-23 | Sewage treatment circulating system of concrete mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212504358U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008615A (en) * | 2022-07-04 | 2022-09-06 | 朱东敏 | Integrated production line for field mixing and construction for preparing green (ultra) high-performance concrete |
| CN115008595A (en) * | 2022-07-04 | 2022-09-06 | 朱东敏 | Green (ultra) high-performance concrete field mixing and construction integrated production line |
| CN115070951A (en) * | 2022-07-04 | 2022-09-20 | 朱东敏 | Integrated field mixing and construction process for preparing green (ultra) high-performance concrete |
| CN115008615B (en) * | 2022-07-04 | 2024-07-02 | 朱东敏 | Site mixing and construction integrated production line for preparing green high-performance concrete |
-
2020
- 2020-06-23 CN CN202021186723.2U patent/CN212504358U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008615A (en) * | 2022-07-04 | 2022-09-06 | 朱东敏 | Integrated production line for field mixing and construction for preparing green (ultra) high-performance concrete |
| CN115008595A (en) * | 2022-07-04 | 2022-09-06 | 朱东敏 | Green (ultra) high-performance concrete field mixing and construction integrated production line |
| CN115070951A (en) * | 2022-07-04 | 2022-09-20 | 朱东敏 | Integrated field mixing and construction process for preparing green (ultra) high-performance concrete |
| CN115008615B (en) * | 2022-07-04 | 2024-07-02 | 朱东敏 | Site mixing and construction integrated production line for preparing green high-performance concrete |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |