CN112079512A - Concrete production wastewater recovery device - Google Patents

Concrete production wastewater recovery device Download PDF

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Publication number
CN112079512A
CN112079512A CN202011015041.XA CN202011015041A CN112079512A CN 112079512 A CN112079512 A CN 112079512A CN 202011015041 A CN202011015041 A CN 202011015041A CN 112079512 A CN112079512 A CN 112079512A
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CN
China
Prior art keywords
area
cleaning area
evaporation
wastewater
cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011015041.XA
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Chinese (zh)
Inventor
朱水平
唐惠琴
黄燕玲
许光海
韦光台
陈光明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanning Tengning Commercial Concrete Co ltd
Original Assignee
Nanning Tengning Commercial Concrete Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanning Tengning Commercial Concrete Co ltd filed Critical Nanning Tengning Commercial Concrete Co ltd
Priority to CN202011015041.XA priority Critical patent/CN112079512A/en
Publication of CN112079512A publication Critical patent/CN112079512A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • C02F1/04Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

The invention discloses a concrete production wastewater recovery device, which is a three-layer hollow cylinder, wherein the three-layer hollow cylinder is respectively a primary filtering area, a secondary filtering area and a cleaning area, the secondary filtering area surrounds the outer side of the primary filtering area to form a circular ring shape, the cleaning area surrounds the outer side of the secondary filtering area to form a circular ring shape, a secondary filter screen communicated with the cleaning area is arranged on a partition wall, the cleaning area is sequentially divided into 5 areas by using partition plates, a filter screen is arranged above each partition plate to enable wastewater to flow into the next area, an evaporation device and an evaporation liquid outlet are arranged in the evaporation area, and the three-layer cleaning area is communicated to the upper part of the evaporation device through a pipeline to guide the wastewater to the evaporation device. According to the device, the wastewater is filtered and precipitated layer by layer, and the wastewater is filtered layer by utilizing the filter tanks arranged in a gradient manner without energy consumption, and finally the wastewater is evaporated through instant contact, and after the salt in the wastewater is further removed, the evaporated water flows out for recovery.

Description

Concrete production wastewater recovery device
Technical Field
The invention relates to the technical field of concrete wastewater treatment, and particularly belongs to a concrete production wastewater recovery device.
Background
The concrete mixer truck is a transportation device which sends the well-mixed concrete of a concrete production plant to a construction site and returns to the production plant after unloading, concrete generally remains in a concrete tank, a feeding hopper, a discharging hopper and the like on the mixer truck, and the concrete must be cleaned in time by water after being used. When the mixer truck is cleaned, the waste water discharged by the mixer truck contains a large amount of stones, sand and cement paste. Most of the treatment methods applied in the market at present are that a sedimentation tank is used for settling and recovering sand and stone, and waste water is discharged into a sewer. One disadvantage of this type of waste water treatment is that it results in a large waste of water, which affects the cost. Further, since the waste water is not easily discharged and clogging is easily caused, it is necessary to solve the above problems.
Disclosure of Invention
The invention aims to provide a concrete production wastewater recovery device, which filters and precipitates wastewater layer by layer, filters the wastewater layer by utilizing filter tanks arranged in a gradient manner without energy consumption, evaporates the wastewater through instantaneous contact, further removes salt in the wastewater, and then discharges the evaporated water for recovery.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a concrete production waste water recovery unit, this recovery unit is that three-layer cavity is cylindric, and three-layer cavity drum is first-order filtering area, second grade filtering area and clean district respectively, second grade filtering area forms the ring form around the outside of first-order filtering area, is cylindric one-level filter screen between first-order filtering area and the second grade filtering area, clean district forms the ring form around the outside of second grade filtering area, and is cylindric division wall between second grade filtering area and the clean district, is equipped with the second grade filter screen that communicates with clean district on this division wall, clean district uses the baffle to separate into filtrate district, first grade clean district, second grade clean district, third grade clean district and evaporation zone in proper order, wherein is equipped with the baffle that reduces in proper order between filtrate district, first grade clean district, second grade clean district, the third grade clean district and is equipped with the filter screen and makes waste water flow into next region above every layer of, an evaporation device and an evaporation liquid outlet are arranged in the evaporation area, and the three-stage cleaning area is communicated to the upper part of the evaporation device through a pipeline to guide the wastewater to the evaporation device.
Further, the primary filtering area is rotatably sleeved inside the secondary filtering area, a bearing is arranged at the bottom of the primary filtering area, and a motor is arranged through the bearing and connected with the bearing, so that the motor drives the primary filtering area to rotate.
Furthermore, the mesh number of the primary filter screen is 50-80 meshes, and the primary filter screen is flush with the upper part of the whole recovery device.
Further, the secondary filter screen is arranged in the middle of the separation wall and communicated with the secondary filtering area and the filtrate area, and the upper part of the filtrate area is flush with an opening in the upper part of the whole device.
Furthermore, the upper partition plate is sequentially reduced by 20cm through a filtrate area, a first-stage cleaning area, a second-stage cleaning area and a third-stage cleaning area, and a downpipe is arranged on one side of the lower water level of the upper partition plate.
Furthermore, the downpipe is a long flat pipeline, the width of the downpipe is consistent with that of the partition board, the length of the downpipe is two thirds of the length of the partition board, and the downpipe is tightly attached to the partition board and fixed, so that water left in the previous area directly enters the next area from the bottom of the downpipe.
Further, evaporation plant includes circle roller, roller core, scraper blade and collecting tank, the circle roller is the metal rod, the surface of circle roller is high temperature when the roller core makes its heating for electric plate and connecting power, the delivery port setting of the pipeline of tertiary clean area intercommunication is directly over the circle roller, and this delivery port play is equipped with out the basin, and the bottom of this play basin is equipped with slit or pore and makes water slowly leave the evaporation of being heated on the surface of contact circle roller, the upper left side and the upper right side of circle roller are equipped with the baffle, the scraper blade slope sets up the side at the circle roller and fixes on the collecting tank side.
Furthermore, the material collecting groove is positioned below the baffle, the round roller iron roller and the evaporating liquid outlet are arranged in the middle of the evaporating area.
In summary, due to the adoption of the technical scheme, the invention has the following technical effects:
(1) the wastewater can be filtered for the first time by the filtering area arranged at the center of the recovery device, large solid matters are filtered and left in the primary filtering area and can be rotated, so that the wastewater can be rapidly filtered to the secondary filtering area at the outer side, and the primary filter screen and water form relative motion in the rotating process to reduce blockage;
(2) according to the invention, the secondary filter screen is arranged at the middle lower part of the partition wall, so that the wastewater enters the filtrate area from the bottom, and suspended matters in the wastewater are conveniently precipitated;
(3) the multi-layer wastewater sedimentation cleaning zone is convenient to form by arranging the stepped filtrate zone, the primary cleaning zone, the secondary cleaning zone and the tertiary cleaning zone, and the downpipe is arranged to ensure that wastewater enters the next zone from the lower part so as to facilitate the sedimentation of substances in the wastewater, so that the aim of cleaning is fulfilled by multi-stage sedimentation;
(4) the evaporation device provided by the invention is provided with the heated round roller, so that waste water which is subjected to precipitation enters the water tank from the water outlet and falls down to be contacted with the round roller, a small amount of the falling waste water is instantaneously evaporated by the high temperature of the round roller, the cleaning speed is accelerated, and the evaporated solid matter is attached to the surface of the round roller and is scraped down to the material collecting tank by the scraper;
the whole device has simple structure, is practical, has low manufacturing cost and is convenient to popularize and use.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the structure of the cleaning zone of the present invention;
fig. 3 is a schematic view of the structure of the evaporation apparatus of the present invention.
In the drawing, a primary filtering area 1, a motor 11, a secondary filtering area 2, a cleaning area 3, a primary filter screen 4, a partition wall 5, a secondary filter screen 6, a partition plate 7, a filtrate area 71, a primary cleaning area 72, a secondary cleaning area 73, a tertiary cleaning area 74, an evaporation area 75, a filter screen 76, a downpipe 77, an evaporation device 8, a round roller 81, a roller core 82, a scraper 83, a material collecting groove 84, a water outlet 85, a water outlet groove 86, a baffle 87, an evaporated liquid outlet 9 and a top cover 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
Example 1
As shown in fig. 1 and 2, a concrete production wastewater recycling device is a three-layer hollow cylinder, the three-layer hollow cylinder is a primary filtering area 1, a secondary filtering area 2 and a cleaning area 3, the secondary filtering area 2 forms a circular ring around the outside of the primary filtering area 1, a cylindrical primary filter screen 4 is arranged between the primary filtering area 1 and the secondary filtering area 2, the cleaning area 3 forms a circular ring around the outside of the secondary filtering area 2, a cylindrical partition wall 5 is arranged between the secondary filtering area 2 and the cleaning area 3, a secondary filter screen 6 communicated with the cleaning area 3 is arranged on the partition wall 5, the cleaning area 3 is sequentially divided into a filtrate area 71, a primary cleaning area 72, a secondary cleaning area 73, a tertiary cleaning area 74 and an evaporation area 75 by using a partition plate 7, wherein the filtrate area 71, the primary cleaning area 72, the secondary cleaning area 73, the tertiary cleaning area 74 and the evaporation area 75 are arranged in sequence, The sequentially-reduced partition plates 7 are arranged between the three-stage cleaning areas 74 and distributed in a step shape, a filter screen 76 is arranged above each layer of partition plate 7, so that wastewater flows into the next area, the mesh number of the filter screen 76 is 60, an evaporation device 8 and an evaporation liquid outlet 9 are arranged in the evaporation area 75, the three-stage cleaning areas 74 are communicated to the upper part of the evaporation device 8 through pipelines to guide the wastewater to the evaporation device 8, and the top of the whole device is provided with an openable top cover 10.
The primary filtering area 1 is rotatably sleeved inside the secondary filtering area 2, a bearing is arranged at the bottom of the primary filtering area 1 and is connected with a motor 11 through the bearing, the motor drives the primary filtering area 1 to rotate, the mesh number of the primary filtering net 4 is 50-80 meshes, the primary filtering net 4 is flush with the upper part of the whole recovery device, the primary filtering net is arranged at the center of the recovery device and can filter wastewater for the first time, large solid matters are filtered and left in the primary filtering area 1, the primary filtering net is rotatable, the wastewater is conveniently filtered out to the outside of the secondary filtering area 2 quickly, and the primary filtering net 4 and water form relative motion in the rotating process to reduce blockage.
Secondary filter screen 6 sets up in the middle part of division wall and communicates secondary filter district 2 and filtrating district 71, the upper portion of filtrating district 71 flushes with the upper portion opening of whole device, sets up secondary filter screen 6 in the well lower part of partition wall, makes waste water enter into filtrating district 71 from the bottom, and the suspended solid in the waste water of being convenient for deposits.
The upper partition plate is sequentially reduced by 20cm by a filtrate area 71, a first-stage cleaning area 72, a second-stage cleaning area 73 and a third-stage cleaning area 74, a downpipe 77 is arranged on one side of the partition plate 7 with a low water level, so that running water flows down to the next area layer by layer, and the stepped filtrate area 71, the first-stage cleaning area 72, the second-stage cleaning area 73 and the third-stage cleaning area 74 are arranged to form a multi-layer wastewater precipitation cleaning area.
The downpipe 77 is a long flat pipeline, the width of the downpipe is consistent with that of the partition board, the length of the downpipe is two thirds of the length of the partition board, the downpipe 77 is tightly attached to the partition board and fixed, so that water left in the previous area directly enters the next area from the bottom of the downpipe, the downpipe 77 is arranged, waste water enters the next area from the lower part, the substances in the waste water are convenient to precipitate, and the cleaning purpose is achieved through multi-stage precipitation.
As shown in fig. 3, the evaporation device 8 comprises a round roller 81, a roller core 82, a scraper 83 and a collecting tank 84, wherein the round roller 81 is a metal roller, the roller core 82 is an electric heating plate, and the surface of the round roller is at a high temperature when the roller core 82 is heated by connecting with a power supply, a water outlet 85 of a pipeline communicated with the tertiary cleaning zone 74 is arranged right above the round roller 81, a water outlet groove 86 is arranged at the water outlet 85, a slit or a pore is arranged at the bottom of the water outlet groove 86 to enable water to slowly remain to be in contact with the surface of the round roller 81 for heating and evaporation, baffles 87 are arranged at the upper left and the upper right of the round roller 81, the scraper 83 is obliquely arranged at the side of the round roller 81 and fixed at the side of the collecting tank 84, and the length of the scraper 83; the round roller 81 is fixed with the roller core 82, one end of the roller core 82 is also provided with a motor, the electric round roller runs at a certain speed, so that the temperature of the region where the waste water contacts the round roller 81 can be reduced after the waste water drops and is evaporated, and the waste water drops continuously after the waste water drops and is rotated to other regions. The material collecting groove 84 is positioned below a baffle 87, the baffle is fixed at the bottom by welding through a support, the round roller iron roller is arranged, and the evaporated liquid outlet 9 is arranged in the middle or the lower part of the evaporation area 75. The evaporation device 8 is provided with the heated round roller 81, so that waste water which is subjected to precipitation enters the water tank from the water outlet 85 and falls down to be contacted with the round roller 81, a small amount of the falling waste water is instantaneously evaporated by the high temperature of the round roller 81, the cleaning speed is accelerated, and the evaporated solid matters are attached to the surface of the round roller 81 and are scraped down to the material collecting tank 84 through the scraper 83. The whole device can also be provided with a control system for controlling the rotation of the motor.
The working principle is as follows: when the recovery device is used for recovering wastewater, firstly, the wastewater is introduced into a primary filtering area 1 from an inlet at the top of the device, a motor at the bottom of the primary filtering area 1 is started to enable a primary filter screen to rotate, the wastewater is filtered into an external secondary filtering area 2 in the rotating process and then enters a water filtering area through a secondary filter screen 6, water in a filtrate area 71 is subjected to primary precipitation and then flows into the middle lower part of a primary cleaning area 72 of a next step from the upper part through a water inlet pipe to perform secondary precipitation, after the precipitation is sequentially performed in a secondary cleaning area 73 and a tertiary cleaning area 74, water on the upper layer of the tertiary cleaning area 74 is communicated to the upper part of an evaporation device 8 through a water outlet groove 86 and flows onto a round roller, due to the fact that the round roller 81 is high in temperature and instantly evaporates after being in contact with the round roller 81, the evaporation speed is increased, energy consumption is reduced, and water drops are condensed at the upper top of the, and then flows out from the evaporated liquor outlet.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (8)

1. The utility model provides a concrete production waste water recovery unit which characterized in that: the recovery device is in a three-layer hollow cylindrical shape, the three-layer hollow cylindrical cylinder is respectively a primary filtering area, a secondary filtering area and a cleaning area, the secondary filtering area forms a circular ring shape around the outer side of the primary filtering area, a cylindrical primary filtering net is arranged between the primary filtering area and the secondary filtering area, the cleaning area forms a circular ring shape around the outer side of the secondary filtering area, a cylindrical partition wall is arranged between the secondary filtering area and the cleaning area, a secondary filtering net communicated with the cleaning area is arranged on the partition wall, the cleaning area is sequentially separated into a filtering liquid area, a primary cleaning area, a secondary cleaning area, a tertiary cleaning area and an evaporation area by using a partition plate, wherein the partition plate which is sequentially reduced is arranged among the filtering liquid area, the primary cleaning area, the secondary cleaning area and the tertiary cleaning area and is distributed in a stepped shape, a filtering net is arranged above each partition plate to enable waste water to flow into the next area, the third-stage cleaning area is communicated to the upper part of the evaporation device through a pipeline and guides the waste water to the evaporation device.
2. The concrete production wastewater reclamation apparatus of claim 1, wherein: the primary filtering area is rotatably sleeved inside the secondary filtering area, a bearing is arranged at the bottom of the primary filtering area, and a motor is arranged through the bearing and connected to drive the primary filtering area to rotate.
3. The concrete production wastewater reclamation apparatus of claim 2, wherein: the mesh number of the first-stage filter screen is 50-80 meshes, and the first-stage filter screen is flush with the upper part of the whole recovery device.
4. The concrete production wastewater reclamation apparatus of claim 3, wherein: the second grade filter screen sets up in the middle part of division wall and intercommunication second grade filtering area and filtrating district, the upper portion in filtrating district flushes with the upper portion opening of whole device.
5. The concrete production wastewater reclamation apparatus of claim 4, wherein: the upper partition plate is sequentially reduced by 20cm through a filtrate area, a first-stage cleaning area, a second-stage cleaning area and a third-stage cleaning area, and a downpipe is arranged on one side of the lower water level of the upper partition plate.
6. The concrete production wastewater reclamation apparatus of claim 5, wherein: the downpipe is a long flat pipeline, the width of the downpipe is consistent with that of the partition board, the length of the downpipe is two thirds of the length of the partition board, and the downpipe is tightly attached to the partition board and fixed, so that water left in the previous area directly enters the next area from the bottom of the downpipe.
7. The concrete production wastewater reclamation apparatus of claim 1, wherein: evaporation plant includes circle roller, roller core, scraper blade and collecting tank, the circle roller is the metal rod, the surface of circle roller is the high temperature when the roller core makes its heating for electric plate and connecting power, the delivery port setting of the pipeline of tertiary clean area intercommunication is directly over the circle roller, and this delivery port department is equipped with out the basin, and the bottom of this play basin is equipped with slit or pore and makes water slowly leave the evaporation of being heated on the surface of contact circle roller, the upper left side and the upper right side of circle roller are equipped with the baffle, the scraper blade slope sets up the side at the circle roller and fixes on the collecting tank side.
8. The concrete production wastewater reclamation apparatus of claim 1, wherein: the material collecting groove is positioned below the baffle, the round roller iron roller, and the evaporation liquid outlet is arranged in the middle of the evaporation area.
CN202011015041.XA 2020-09-24 2020-09-24 Concrete production wastewater recovery device Pending CN112079512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011015041.XA CN112079512A (en) 2020-09-24 2020-09-24 Concrete production wastewater recovery device

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Application Number Priority Date Filing Date Title
CN202011015041.XA CN112079512A (en) 2020-09-24 2020-09-24 Concrete production wastewater recovery device

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CN112079512A true CN112079512A (en) 2020-12-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113415942A (en) * 2021-07-23 2021-09-21 成都志达商品混凝土厂 Concrete mixing plant waste water recovery system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2639296Y (en) * 2003-02-14 2004-09-08 胡志忠 Integral deep treater for sewage
CN2652925Y (en) * 2003-10-20 2004-11-03 程士俊 Integrated biological digestion tank
KR100846864B1 (en) * 2007-01-25 2008-07-16 한국건설기술연구원 Tiered filter bed of the water land
TWM372208U (en) * 2009-08-10 2010-01-11 Wen-Lung Chin Rotary reactive drying device
CN204563735U (en) * 2015-01-08 2015-08-19 广西九星环保科技有限公司 A kind of production of biodiesel filter
CN105421563A (en) * 2015-11-27 2016-03-23 北京顺东混凝土有限公司 Concrete wastewater comprehensive recycling system and technology thereof
CN105664511A (en) * 2016-03-01 2016-06-15 浙江菲尔特过滤科技有限公司 Continuous evaporation crystallization drying all-in-one machine
CN210261320U (en) * 2019-04-10 2020-04-07 黄毅 Multi-stage filtration device for kitchen waste sewage in expressway service area

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2639296Y (en) * 2003-02-14 2004-09-08 胡志忠 Integral deep treater for sewage
CN2652925Y (en) * 2003-10-20 2004-11-03 程士俊 Integrated biological digestion tank
KR100846864B1 (en) * 2007-01-25 2008-07-16 한국건설기술연구원 Tiered filter bed of the water land
TWM372208U (en) * 2009-08-10 2010-01-11 Wen-Lung Chin Rotary reactive drying device
CN204563735U (en) * 2015-01-08 2015-08-19 广西九星环保科技有限公司 A kind of production of biodiesel filter
CN105421563A (en) * 2015-11-27 2016-03-23 北京顺东混凝土有限公司 Concrete wastewater comprehensive recycling system and technology thereof
CN105664511A (en) * 2016-03-01 2016-06-15 浙江菲尔特过滤科技有限公司 Continuous evaporation crystallization drying all-in-one machine
CN210261320U (en) * 2019-04-10 2020-04-07 黄毅 Multi-stage filtration device for kitchen waste sewage in expressway service area

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113415942A (en) * 2021-07-23 2021-09-21 成都志达商品混凝土厂 Concrete mixing plant waste water recovery system

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