CN210885628U - Purification device for cleaning sewage of concrete mixing transport vehicle - Google Patents
Purification device for cleaning sewage of concrete mixing transport vehicle Download PDFInfo
- Publication number
- CN210885628U CN210885628U CN201921803414.2U CN201921803414U CN210885628U CN 210885628 U CN210885628 U CN 210885628U CN 201921803414 U CN201921803414 U CN 201921803414U CN 210885628 U CN210885628 U CN 210885628U
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- Prior art keywords
- pipeline
- muddy water
- tank
- concrete mixer
- mixer truck
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- 238000002156 mixing Methods 0.000 title claims abstract description 36
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 title claims abstract description 16
- 238000000746 purification Methods 0.000 title description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 238000004062 sedimentation Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims description 22
- 238000005406 washing Methods 0.000 claims description 14
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000013049 sediment Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 239000012257 stirred material Substances 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000013589 supplement Substances 0.000 abstract 2
- 239000002002 slurry Substances 0.000 description 11
- 238000003825 pressing Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005352 clarification Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a concrete mixing transport vechicle washs purifier of sewage, including grit separator, the preliminary sedimentation pond, the muddy water buffer pool, enrichment facility, the agitator, the pressure filter, wash sewage on the concrete mixing transport vechicle links to each other with grit separator's feed chute, the muddy water of separating is through the pipe connection preliminary sedimentation pond, the overflow of preliminary sedimentation pond gets into the muddy water buffer pool through connecting the water tank, send the enrichment facility underflow into the agitator and stir the thick liquid, the agitator sends into the material after the stirring rather than the pressure filter of pipe connection, filtrating collects with enrichment facility overflow pipeline and gets into the circulation pond in the lump, the circulation pond is connected with the carwash pump and is sent into the concrete mixing transport vechicle with the clear water and carry out the vehicle cleaning operation, it links to each other with the circulation pond and supplements the clear water in good time to supplement the pond. Can improve the circulating water quality, avoid the occurrence of silting, save resources and have good use effect.
Description
Technical Field
The utility model relates to a sewage treatment technical field, especially a concrete mixing transport vechicle washs purifier of sewage.
Background
Concrete mixing trucks are the primary means of transporting commercial concrete. In order to avoid the problem caused by the consolidation of the residual concrete in the storage tank of the concrete mixing and transporting truck, the residual concrete in the storage tank of the concrete mixing and transporting truck needs to be cleaned timely. The sewage generated in the cleaning process contains hydraulic materials such as sand stone, cement, fly ash, mineral powder and the like and concrete additives, which not only pollutes the environment, but also is not beneficial to reuse, so the cleaning water of the concrete mixing transport vehicle must be purified.
At present, in the cleaning water purification treatment of the concrete mixing transport vehicle, the cleaning water of the concrete mixing transport vehicle is purified by using a simple multi-stage slope sedimentation tank process, and the process has the problems of large occupied area, poor circulating water quality, easy occurrence of silting and the like. In the concentrated high-density car washing time period, the car washing sewage has large instantaneous flow and high solid concentration, the clarification effect of the multistage sedimentation tank is seriously influenced, and the quality of circulating water cannot be ensured. If the sediments in the multistage sedimentation tank are not cleaned in time, the upper water layer of the sedimentation tank is too shallow, the water flow speed is high, the particles are difficult to settle, the concentration of overflow muddy water is increased, the quality of circulating water is deteriorated, and the production is influenced. The sediment dug out from the sedimentation tank has high moisture and is difficult to transport, store and utilize.
Disclosure of Invention
The utility model discloses an overcome the weak point among the prior art, provide a method simple, area is little, improve circulating water quality, avoid taking place to become silted up stifled, resources are saved, excellent in use effect's concrete mixing transport vechicle washing sewage's purifier.
In order to achieve the purpose, the utility model discloses a concrete mixer truck cleaning sewage purification device, which comprises a pre-settling tank, a slurry buffer tank, a concentration device, a mixing tank, a filter press, a circulating water tank, a replenishing water tank and a sand-stone separation device arranged beside the concrete mixer truck, wherein the cleaning sewage on the concrete mixer truck is connected with a feed chute of the sand-stone separation device to separate sand and stone, the slurry is connected with the pre-settling tank through a pipeline, the sediment in the pre-settling tank is back-washed when returning to the sand-stone separation device through a connecting pipeline, the overflow of the pre-settling tank enters the slurry buffer tank through the connecting water tank, the slurry buffer tank is connected with the concentration device through a pipeline, the underflow of the concentration device is connected with the mixing tank through a pipeline, the concentrated material is sent into the mixing tank to be stirred, the mixing tank sends the stirred material into the filter press connected with the pipeline, and produces mud cakes and filtrate through the operation of the filter, the filtrate is collected together with an overflow pipeline of the concentration device through pipeline connection and enters a circulating water tank, the circulating water tank is connected with a vehicle washing pump, clear water is sent into a concrete mixing transport vehicle to carry out vehicle cleaning operation, and a replenishing water tank is connected with the circulating water tank pipeline and replenishes clear water for the circulating water tank at proper time.
The pre-settling tank is a one-stage or multi-stage slope settling tank.
The muddy water buffer pool is internally provided with a stirrer for preventing muddy water from precipitating, and part of muddy water in the muddy water buffer pool is conveyed to a recycling pipeline of the stirring building through a pipeline.
And a feed pump is arranged on a pipeline connecting the muddy water buffer tank and the concentration device.
And an underflow pump is arranged on a pipeline connecting the concentration device and the stirring barrel.
And a filter press feeding pump is arranged on a pipeline connecting the stirring barrel and the filter press.
Has the advantages that: the washing water has high alkalinity, high mineralization and high hardness, and is easy to precipitate and scale on the surface of a water passing facility, and cement, fly ash and the like in the washing water are hydraulic materials and have the phenomenon of consolidation and wall hanging, while the washing sewage of the concrete mixing and transporting vehicle has high solid content and contains the hydraulic materials and concrete additives, so that the treatment and purification are needed for saving resources and protecting the environment. The utility model discloses sludge pump based on it is ripe, grit splitter, concentrator and pressure filter etc, to the physicochemical characteristic that concrete mixing transport vechicle washd sewage, one set of complete has been proposed, reliable, it is nimble, efficient purification unit, system strong adaptability, the high quality of circulating water, the emission of solid useless is few, the moisture of mud cake is low, simple structure has been adopted, the little concentrator of solid-liquid contact surface, and guarantee that the detention time of mud in concentrator is not too long, select for use high-efficient concentrator according to site space and water yield size, the deep cone is concentrated jar, enrichment equipment such as hydraulic cyclone. The technical support is provided for realizing clean production and building a green mixing plant for the commercial concrete mixing plant. Can avoid clogging, saves resources, has good use effect and wide practicability.
Drawings
Fig. 1 is a schematic structural view of the purification device of the present invention.
Detailed Description
The invention will be further described with reference to the following examples in which:
the utility model discloses a concrete mixing transport vechicle washs purifier of sewage mainly comprises grit separator, preliminary sedimentation pond, muddy water buffer pool, enrichment facility, agitator, pressure filter, circulating water pond and replenishing pond, and the last washing sewage of concrete mixing transport vechicle links to each other with grit separator's feed chute, and concrete mixing transport vechicle washing sewage emits into the grit separator feed chute, separates grit and muddy water, and the feed bin retrieval and utilization is connected to the grit, and the muddy water is through the pipe connection preliminary sedimentation pond, preliminary sedimentation pond be one-level or multistage slope preliminary sedimentation pond. The sediment in the preliminary sedimentation tank returns sand separator through the connecting line and washes back, and the overflow in preliminary sedimentation tank gets into muddy water buffer pool through connecting the water tank, muddy water buffer pool be equipped with the agitator and prevent muddy water sediment, be equipped with the pipeline export that can be used to the recycling of stirring building. The muddy water buffer pool is connected with a concentration device through a pipeline, the upper part of the concentration device is provided with a dosing device, the dosing device adds a coagulant for the concentration device so as to improve the concentration and clarification effects, and the pipeline connected with the concentration device is provided with a feeding pump. The underflow of the concentration device is connected with the stirring barrel through a pipeline, the concentrated material is sent into the stirring barrel to be stirred and mixed, and the pipeline connecting the concentration device and the stirring barrel is provided with an underflow pump. The stirring barrel sends the stirred materials into a filter press connected with the stirring barrel through a pipeline, and a filter press feeding pump is arranged on the pipeline connecting the stirring barrel and the filter press. And the filter pressing operation is carried out by a filter press to produce mud cakes and filtrate, the filtrate is collected with an overflow pipeline of a concentration device through pipeline connection and enters a circulating water tank, the circulating water tank is connected with a vehicle washing pump to send clear water into a concrete stirring transport vehicle for vehicle cleaning operation, and a replenishing water tank is connected with a circulating water tank pipeline to replenish clear water in time.
The working process is as follows:
cleaning a transport vehicle: pumping clean water in a circulating water tank by a car washing pump for cleaning; and (4) pumping clear water from the circulating water tank by using a vehicle washing pump, washing the concrete mixing transport vehicle, and timely supplementing the clear water for the circulating water tank from the supplementing water tank.
And (3) sand recovery: sorting the cleaning sewage by adopting a sand-stone separator, and returning the sorted sand and stone aggregate to a material warehouse for recycling; the carwash sewage is discharged into a sand-stone separator feed chute, the sand-stone separator is adopted to separate sand, stone and muddy water in the carwash sewage, and sand-stone aggregate selected by the sand-stone separator is returned to the material warehouse for recycling, so that resource waste is reduced.
Pre-settling mud water: conveying muddy water discharged by the sand-stone separator to a slope pre-settling tank for pre-settling and coarse-separating, conveying sediments to the sand-stone separator for backwashing, and allowing overflow of the pre-settling tank to enter a muddy water buffer tank; muddy water discharged by the sand-stone separator is conveyed to the slope pre-settling tank for pre-settling and coarse-separating, sediment in the pre-settling tank is conveyed to the sand-stone separator for backwashing, sand-stone particles lost due to coarse running of the sand-stone separator are recovered, waste of sand-stone resources is reduced, and adverse effects of coarse grains on subsequent operation are reduced; the overflow of the pre-settling tank enters a muddy water buffer tank, and one-stage or multi-stage pre-settling tanks are arranged in the field space.
Recycling mud water: according to the production condition of the mixing plant, directly conveying part of the muddy water in the muddy water buffer tank to the mixing plant for utilization as appropriate; according to the production condition of the mixing plant, on the premise of not influencing the concrete quality, part of muddy water in the muddy water buffer tank is conveyed to the mixing plant to be utilized according to the condition, so that the operation burden, the solid waste discharge amount and the clear water use amount of the mixing plant in the subsequent muddy water treatment are reduced.
Step 5, solid-liquid separation: the scheme of concentration plus filter pressing or direct filter pressing can be adopted to implement solid-liquid separation; two solid-liquid separation schemes of concentration and filter pressing or direct filter pressing can be adopted:
(1) concentration + filter pressing solid-liquid separation scheme: conveying the muddy water to a concentration device from the bottom of the muddy water buffer tank through a feeding pump for clarification and concentration; the concentration device adds coagulant into the concentration device through a dosing device according to the requirement, so as to improve the concentration and clarification effects, and the overflow clear water of the concentration device is conveyed to a circulating water tank for reuse; the underflow slurry of the concentration device enters a stirring barrel through an underflow pump, is subjected to slurry mixing in the stirring barrel, and is sent to a filter press through a filter pressing feeding pump;
the concentration device selected according to the field space and the water quantity is a high-efficiency concentrator, a deep cone concentration tank or a hydrocyclone;
(2) direct filter-pressing separation scheme: when the field space is limited or the water quantity is small, and a concentration device is difficult to or does not need to be arranged, the slurry in the slurry buffer tank is directly conveyed to the stirring barrel, and the slurry in the stirring barrel is directly conveyed to the filter press by the filter press feeding pump.
Filter pressing storage and transportation: the filtrate of the filter press is conveyed to a circulating water pool for reuse, and the filter cake is centrally stored and transported. And (3) feeding the slurry in the stirring barrel into a filter press, carrying out filter pressing operation on the slurry, conveying the filtrate of the filter press to a circulating water tank for reuse, and carrying out site-selective stockpiling or resource utilization on the filter cake.
Claims (6)
1. The utility model provides a concrete mixing transport vechicle washs purifier of sewage, includes preliminary sedimentation tank, muddy water buffer pool, enrichment facility, agitator, pressure filter, circulating water pond, adds the pond and establishes the other grit separator at concrete mixing transport vechicle, characterized by: the cleaning sewage on the concrete mixing and transporting truck is connected with a feed chute of the sand-stone separating device to separate sand stone and muddy water, the muddy water is connected with a pre-settling tank through a pipeline, sediment in the pre-settling tank is backwashed when returning to the sand-stone separating device through a connecting pipeline, overflow of the pre-settling tank enters a muddy water buffer tank through a connecting water tank, the muddy water buffer tank is connected with a concentrating device through a pipeline, underflow of the concentrating device is connected with a stirring barrel through a pipeline, the concentrated material is sent into the stirring barrel to be stirred, the stirred material is sent into a filter press connected with the stirring barrel through a pipeline, mud cakes and filtrate are produced through the operation of the filter press, the filtrate is collected together with an overflow pipeline of the concentrating device through a pipeline and enters a circulating water tank, the circulating water tank is connected with a truck washing pump, clear water is sent into the concrete mixing and transporting truck to carry out vehicle cleaning operation, and the.
2. The concrete mixer truck according to claim 1, wherein the concrete mixer truck comprises: the pre-settling tank is a one-stage or multi-stage slope settling tank.
3. The concrete mixer truck according to claim 1, wherein the concrete mixer truck comprises: the muddy water buffer pool is internally provided with a stirrer for preventing muddy water from precipitating, and part of muddy water in the muddy water buffer pool is conveyed to a recycling pipeline of the stirring building through a pipeline.
4. The concrete mixer truck according to claim 1, wherein the concrete mixer truck comprises: and a feed pump is arranged on a pipeline connecting the muddy water buffer tank and the concentration device.
5. The concrete mixer truck according to claim 1, wherein the concrete mixer truck comprises: and an underflow pump is arranged on a pipeline connecting the concentration device and the stirring barrel.
6. The concrete mixer truck according to claim 1, wherein the concrete mixer truck comprises: and a filter press feeding pump is arranged on a pipeline connecting the stirring barrel and the filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921803414.2U CN210885628U (en) | 2019-10-25 | 2019-10-25 | Purification device for cleaning sewage of concrete mixing transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921803414.2U CN210885628U (en) | 2019-10-25 | 2019-10-25 | Purification device for cleaning sewage of concrete mixing transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210885628U true CN210885628U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921803414.2U Expired - Fee Related CN210885628U (en) | 2019-10-25 | 2019-10-25 | Purification device for cleaning sewage of concrete mixing transport vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN210885628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748935A (en) * | 2022-01-18 | 2022-07-15 | 浙江交工集团股份有限公司 | Slurry recycling equipment of concrete mixing plant and slurry recycling process thereof |
-
2019
- 2019-10-25 CN CN201921803414.2U patent/CN210885628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748935A (en) * | 2022-01-18 | 2022-07-15 | 浙江交工集团股份有限公司 | Slurry recycling equipment of concrete mixing plant and slurry recycling process thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |