CN218687274U - Grit separation sewage treatment system - Google Patents
Grit separation sewage treatment system Download PDFInfo
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- CN218687274U CN218687274U CN202223033632.7U CN202223033632U CN218687274U CN 218687274 U CN218687274 U CN 218687274U CN 202223033632 U CN202223033632 U CN 202223033632U CN 218687274 U CN218687274 U CN 218687274U
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Abstract
The utility model relates to a grit separation sewage treatment system, include: the clean water tank is internally provided with a clean water pump; a water inlet of a spraying pipeline of the vibrating screen is communicated with a clean water pump; the sewage outlet of the discharge chute is arranged above the feeding hole of the vibrating screen; the coarse sand recovery device is communicated with a sewage outlet of the vibrating screen; a feed inlet of the dewatering screen is positioned below a discharge outlet of the coarse sand recovery device, and a box body of the dewatering screen is communicated with a sewage outlet of the coarse sand recovery device; the fine sand recovery device is communicated with the box body of the dewatering screen, and a discharge port of the fine sand recovery device is positioned above a feed port of the dewatering screen; the sewage tank is communicated with a sewage outlet of the fine sand recovery device and internally provided with a first water pump; and the finished slurry tank is communicated with the first water pump through a sewage pipeline and is communicated with the clean water pump through a clean water pipeline, and a sewage concentration tester and a second water pump communicated with the stirring station sewage scale through the sewage pipeline are arranged in the finished slurry tank. The utility model discloses realize the separation of grit and sewage, the sufficient cyclic utilization of grit and hydroenergy that obtain realizes the sewage zero release.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, specifically speaking relates to a grit separation sewage treatment system, and mainly used stirring station washs the processing of tank car, the produced sewage of waste material and other sewage, makes it contain fine sand and mortar percentage and accord with national sewage discharge standard to can cyclic utilization.
Background
Concrete is a commodity for building social infrastructure, and in the use process of concrete, sewage generated in a mixing station comprises sewage generated by cleaning a tank truck, sewage generated by cleaning waste materials, sewage generated by flushing a field and the like, and the sewage can be discharged or reused after being treated by a system and meeting the discharge standard. In order to save energy, a sewage treatment system is adopted to treat the sewage in the mixing plant.
At present, although a sewage treatment system is commonly used in a concrete mixing plant and can separate sand, stone and sewage and treat the sewage, most mixing plants adopt a multi-stage (such as three-stage and the like) precipitation mode for sewage-free treatment, sand stone and slurry in the sewage cannot be effectively separated, the percentage of fine sand and slurry contained in the treated sewage does not meet the industrial discharge standard, and other waste materials cannot be effectively utilized.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem to prior art exists provides a grit separation sewage treatment system, can effective treatment sewage, realizes the separation of grit and sewage, handles sufficient cyclic utilization of grit and hydroenergy that obtains, realizes the sewage zero release.
In order to achieve the above object, the utility model provides a grit separation sewage treatment system, include:
the clean water tank is internally provided with a clean water pump;
a water inlet of a spraying pipeline of the vibrating screen is communicated with a clean water pump;
the sewage outlet of the discharge chute is arranged above the feed inlet of the vibrating screen;
the coarse sand recovery device is communicated with a sewage outlet of the vibrating screen;
a feed inlet of the dewatering screen is positioned below a discharge outlet of the coarse sand recovery device, and a box body of the dewatering screen is communicated with a sewage outlet of the coarse sand recovery device;
the fine sand recovery device is communicated with the box body of the dewatering screen, and a discharge port of the fine sand recovery device is positioned above a feed port of the dewatering screen;
the sewage tank is communicated with a sewage outlet of the fine sand recovery device and internally provided with a first water pump;
and the finished slurry tank is communicated with the first water pump through a sewage pipeline and is communicated with the clean water pump through a clean water pipeline, and a sewage concentration tester and a second water pump communicated with the stirring station sewage scale through the sewage pipeline are arranged in the finished slurry tank.
Preferably, the coarse sand recovery device comprises a first sedimentation tank communicated with a sewage outlet of the vibrating screen through a sewage pipeline, a third water pump arranged in the first sedimentation tank and a first cyclone communicated with the third water pump, a discharge port of the first cyclone is positioned above a feed port of the dewatering screen, and a sewage outlet of the first cyclone is communicated with a box body of the dewatering screen.
Preferably, the fine sand recovery device comprises a second sedimentation tank communicated with the box body of the dewatering screen through a sewage pipeline, a fourth water pump arranged in the second sedimentation tank and a second cyclone communicated with the fourth water pump, wherein a discharge port of the second cyclone is positioned above a feed port of the dewatering screen, and a sewage outlet of the second cyclone is communicated with the sewage tank.
Further, the device comprises an air compressor, a first pneumatic valve arranged at the bottom of the sewage tank and a second pneumatic valve arranged at the bottom of the finished product slurry tank, wherein the air compressor is respectively communicated with the first pneumatic valve and the second pneumatic valve; the first pneumatic valve is communicated with the sewage tank and is connected with the first sedimentation tank and/or the second sedimentation tank through a sewage pipeline; the second pneumatic valve is communicated with the finished product slurry tank and is connected with the first sedimentation tank and/or the second sedimentation tank through a sewage pipeline.
Furthermore, the sewage treatment device further comprises a first stirring device and a second stirring device, the first stirring device comprises a first stirring piece arranged in the sewage tank and a first driving piece arranged above the sewage tank, the first stirring piece is connected with an output shaft of the first driving piece, the second stirring device comprises a second stirring piece arranged in the sewage tank and a second driving piece arranged above the finished product slurry tank, and the second stirring piece is connected with an output shaft of the second driving piece.
Further, still include conveyor, the discharge gate of shale shaker is located the top of conveyor feed inlet, and conveyor's discharge gate is located the top in stone storehouse.
The sewage concentration tester is characterized by further comprising a controller, wherein the controller is respectively electrically connected with the clean water pump, the vibrating screen, the dewatering screen, the first water pump, the second water pump, the third water pump, the fourth water pump, the first swirler, the second swirler, the first driving piece, the second driving piece, the air compressor and the conveying device, and the controller is in communication connection with the sewage concentration tester.
Furthermore, the device also comprises a control cabinet, wherein the controller is arranged in the control cabinet
Further, still including locating the first level sensor in the sewage jar and locating the second level sensor in the finished product ground paste jar, first level sensor and second level sensor all with controller communication connection.
Preferably, the discharge port of the dewatering screen is positioned above the sand silo.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
(1) The utility model discloses grit separation sewage treatment system separates the grit in the sewage, carries out recycle to grit and stone, and cyclic utilization is retrieved through concentration control to sewage, reaches the sewage zero release of environmental protection stirring station, has effectively solved the various waste materials in stirring station scene and muddy water and has exceeded standard and discharge, the problem of polluted environment, has also solved the problem that the waste material can not obtain effective utilization simultaneously.
(2) The utility model discloses grit separation sewage treatment system is equipped with the controller, realizes automatic grit separation and sewage treatment through the controller, realizes the recycle of grit and the zero release of sewage, and the cyclic utilization in water route accords with the environmental protection theory of energy saving more, and is energy-concerving and environment-protective.
(3) The utility model discloses grit separation sewage treatment system is equipped with coarse sand recovery unit and fine sand recovery unit, carries out the secondary and subsides the filtration, accomplishes coarse sand and fine sand and retrieves, realizes the zero release of fine sand.
(4) The utility model discloses grit separation sewage treatment system adopts the sewage concentration tester, can detect the concentration of sewage to the concentration of automatically regulated sewage reaches the standard of setting for, then retrieves the stirring station and recycles, makes sewage reach the zero release.
Drawings
FIG. 1 is a schematic structural view of a sand-stone separation sewage treatment system according to an embodiment of the present invention;
FIG. 2 is a control schematic block diagram of a sand-stone separation sewage treatment system according to an embodiment of the present invention;
FIG. 3 is a flow chart of the sand-stone separation sewage treatment system according to the embodiment of the present invention.
In the figure, 1, a clean water tank, 2, a clean water pump, 301, a vibrating screen, 302, a discharge chute, 4, a stone bin, 5, a dewatering screen, 6, a sand bin, 7, a sewage tank, 8, a first water pump, 9, a product slurry tank, 10, a sewage concentration tester, 11, a stirring station sewage scale, 12, a second water pump, 13, a first settling tank, 14, a third water pump, 15, a first cyclone, 16, a second settling tank, 17, a fourth water pump, 18, a second cyclone 19, an air compressor, 20, a first pneumatic valve, 21, a second pneumatic valve, 22, a first stirring device, 221, a first driving part, 222, a first stirring part, 23, a second stirring device, 231, a second driving part, 232, a second stirring part, 24, a conveying device, 25, a controller, 26, a first liquid level sensor, 27, a second liquid level sensor, 28 and a control cabinet.
Detailed Description
The present invention will now be described in detail by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", etc. indicate the positional relationship based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Referring to fig. 1, the present embodiment provides a sand-separating sewage treatment system, including:
a clean water tank 1 is internally provided with a clean water pump 2;
a water inlet of a spraying pipeline of the vibrating screen 301 is communicated with the clean water pump 2 through a clean water pipeline, and a discharge port of the vibrating screen is positioned above the stone bin 4;
a sewage outlet of the discharge chute 302 is arranged above a feed inlet of the vibrating screen 301;
the coarse sand recovery device is communicated with a sewage outlet of the vibrating screen 302;
a feed inlet of the dewatering screen 5 is positioned below a discharge outlet of the coarse sand recovery device, a box body of the dewatering screen 5 is communicated with a sewage outlet of the coarse sand recovery device, and a discharge outlet of the dewatering screen 5 is positioned above the sand bin 6;
the fine sand recovery device is communicated with the box body of the dewatering screen 5, and a discharge hole of the fine sand recovery device is positioned above a feed hole of the dewatering screen 5;
the sewage tank 7 is communicated with a sewage outlet of the fine sand recovery device and is internally provided with a first water pump 8;
the finished slurry tank 9 is communicated with the first water pump 8 through a sewage pipeline and is communicated with the clean water pump 2 through a clean water pipeline, and a sewage concentration tester 10 and a second water pump 12 communicated with the mixing station sewage scale 11 through a sewage pipeline are arranged in the finished slurry tank.
Specifically, with continued reference to fig. 1, the grit recycling apparatus includes a first settling tank 13 communicated with the sewage outlet of the vibrating screen 302 through a sewage pipeline, a third water pump 14 disposed in the first settling tank 13, and a first cyclone 15 communicated with the third water pump 14 through a sewage pipeline, wherein a discharge port of the first cyclone 15 is located above a feed port of the dewatering screen 5, and a sewage outlet of the first cyclone 15 is communicated with a box body of the dewatering screen 5.
Specifically, with continued reference to fig. 1, the fine sand recovery device includes a second settling tank 16 communicated with the box body of the dewatering screen through a sewage pipeline, a fourth water pump 17 disposed in the second settling tank 16, and a second cyclone 18 communicated with the fourth water pump 17, wherein a discharge port of the second cyclone 18 is located above a feed port of the dewatering screen 4, and a sewage outlet of the second cyclone 18 is communicated with the sewage tank 7.
In one embodiment, with continued reference to FIG. 1, the sand and stone separation wastewater treatment system further comprises a prevention device, the prevention device comprises an air compressor 19, a first pneumatic valve 20 disposed at the bottom of the wastewater tank 7, and a second pneumatic valve 21 disposed at the bottom of the product slurry tank 9, the air compressor 19 is respectively communicated with the first pneumatic valve 20 and the second pneumatic valve 21; the first pneumatic valve 20 is communicated with the sewage tank 7 and is connected with the first sedimentation tank 13 and/or the second sedimentation tank 16 through a sewage pipeline; the second pneumatic valve 21 is communicated with the finished product slurry tank 9 and is connected with the first sedimentation tank 13 and/or the second sedimentation tank 16 through a sewage pipeline. The air compressor is used for providing an air source to control the first pneumatic valve to be opened, so that the sewage with higher concentration at the bottom of the sewage tank enters the first sedimentation tank and/or the second sedimentation tank again through the sewage pipeline, and the sewage tank is prevented from silting. The air compressor provides an air source to control the second pneumatic valve to be opened, so that the sewage with higher concentration at the bottom of the finished product slurry tank enters the first sedimentation tank and/or the second sedimentation tank again through the sewage pipeline, and the finished product slurry tank is prevented from silting. In this embodiment, the first pneumatic valve and the second pneumatic valve both adopt pneumatic butterfly valves.
In a specific embodiment, with continuing reference to fig. 1 and with reference to fig. 2, the sand-gravel separation sewage treatment system further includes a first stirring device 22 and a second stirring device 23, the first stirring device 22 includes a first stirring member 222 disposed in the sewage tank and a first driving member 221 disposed above the sewage tank 7, the first stirring member 222 is coupled to an output shaft of the first driving member 221, the second stirring device 23 includes a second stirring member 232 disposed in the sewage tank and a second driving member 231 disposed above the product slurry tank 9, and the second stirring member 232 is connected to an output shaft of the second driving member 231. And (4) the sewage after the fine sand recovery treatment enters a sewage tank, and is stirred by a first stirring device, so that mortar is prevented from precipitating and solidifying. And (3) sewage enters the finished product slurry tank, and is stirred by the second stirring device, so that mortar is prevented from precipitating and solidifying, and when the concentration of the sewage in the finished product slurry tank exceeds the actual required concentration for water supplement, the sewage after being supplemented with clear water is fully and uniformly mixed. In this embodiment, the first driving member and the second driving member are both motors.
In a specific embodiment, with continued reference to fig. 1, the sand-separating sewage treatment system further comprises a conveying device 24, wherein the discharge port of the vibrating screen 301 is located above the feed port of the conveying device 24, and the discharge port of the conveying device 24 is located above the stone bin 4. In this embodiment, the conveying device is a belt conveyor. The stones separated by the vibrating screen are conveyed to the stone bin through the conveying device to be stored, and can be reused for manufacturing concrete.
In an embodiment, with continued reference to fig. 1 and 2, the sand-separating sewage treatment system further includes a controller 25, the controller 25 is electrically connected to the clean water pump 2, the vibrating screen 301, the dewatering screen 5, the first water pump 8, the second water pump 12, the third water pump 14, the fourth water pump 17, the first cyclone 15, the second cyclone 18, the first driving member 221, the second driving member 231, and the conveying device 24, respectively, and the controller 25 is in communication with the sewage concentration tester 10. The whole sand-stone separation sewage treatment system is controlled by the controller to automatically complete sand-stone separation and sewage concentration regulation and reuse.
In a specific embodiment, with continued reference to fig. 1 and 2, the sand-separating sewage treatment plant further includes a first liquid level sensor 26 disposed in the sewage tank 7 and a second liquid level sensor 27 disposed in the product slurry tank 9, and both the first liquid level sensor 26 and the second liquid level sensor 27 are in communication connection with the controller 25. Detect the liquid level in the sewage jar through first level sensor, when the liquid level exceeded the setting value, carry the sewage in the sewage jar to finished product slurry tank through the third water pump. And detecting the liquid level in the finished product slurry tank through a second liquid level sensor, and when the liquid level exceeds a set value, conveying the sewage in the finished product slurry tank to a stirring station sewage scale through a fourth water pump. In this embodiment, the first liquid level sensor and the second liquid level sensor both use level meters.
In one embodiment, with continued reference to fig. 1, the sand-separating wastewater treatment plant further comprises a control cabinet 28, and the controller is installed in the control cabinet.
Referring to fig. 3, the working flow of the sand-gravel separation sewage treatment device is described by taking the treatment of the sewage generated by cleaning the concrete tank truck with the residual materials as an example, and the specific working flow is as follows:
the concrete tank truck with the residual materials returns to the mixing station and then enters the front of the discharge chute, the concrete mixing truck stops to a designated position, a driver stops to add water to the tank truck, after the water adding is completed, an operator injects sewage in the tank truck into the discharge chute, a first water pump in the sewage tank is started, the sewage in the discharge chute is flushed above the vibrating screen through a sewage pipeline, stones fall above a conveying belt of a conveying device through full cleaning of a spraying pipeline, and finally the sewage is conveyed to a stone bin, the sewage containing sand enters a first sedimentation tank, the sewage in the first sedimentation tank is pumped into a first swirler through a third water pump, coarse sand separated by the first swirler falls onto a dewatering screen, the sewage flows into a second sedimentation tank through a box body of the dewatering screen, the sewage in the second sedimentation tank is pumped into a second swirler through a fourth water pump, the treated sewage enters the sewage tank, and the separated fine sand finally enters a sand bin through the dewatering screen; the sewage in the sewage tank is conveyed to the finished product slurry tank through the first water pump, and as the sewage concentration tester device and the second liquid level sensor are installed in the finished product slurry tank and the second water pump communicated with the stirring station is arranged in the finished product slurry tank, when the stirring station produces concrete with the grade below C30, the controller starts the clean water pump to replenish water in the finished product slurry tank according to a set value through the concentration of the sewage in the finished product slurry tank detected by the sewage concentration tester, adjusts the sewage concentration, and conveys the sewage to the stirring station sewage scale through the second water pump after the set requirement is met for producing the concrete, thereby realizing the recycling of the sewage; the controller controls the stirring device to work, precipitation in the sewage tank and the finished product slurry tank is prevented from precipitating, the air compressor provides an air source to control the pneumatic butterfly valve to be opened, and sewage with higher concentration at the bottom of the sewage tank and the finished product slurry tank flows into the first sedimentation tank and/or the second sedimentation tank again through the sewage pipeline during the standby period of the sand-stone separation sewage treatment system, so that the sewage tank and the finished product slurry tank are prevented from silting. The whole set of sand-stone separation sewage treatment system is recycled and controlled by the controller.
The sand-stone separation sewage treatment system separates the sand in the sewage, recycles the sand and the stones, and recycles the sewage through concentration adjustment, so that zero sewage discharge of the environment-friendly mixing plant is achieved, the problems of standard exceeding discharge and environment pollution of various field wastes and muddy water of the mixing plant are effectively solved, and the problem that the wastes cannot be effectively utilized is also solved.
The above embodiments are provided to explain the present invention rather than to limit the present invention, and any modifications and changes made by the present invention are within the spirit and scope of the claims and fall within the scope of the present invention.
Claims (10)
1. The utility model provides a grit separation sewage treatment system which characterized in that includes:
the clean water tank is internally provided with a clean water pump;
a water inlet of a spraying pipeline of the vibrating screen is communicated with a clean water pump;
the sewage outlet of the discharge chute is arranged above the feed inlet of the vibrating screen;
the coarse sand recovery device is communicated with a sewage outlet of the vibrating screen;
a feed inlet of the dewatering screen is positioned below a discharge outlet of the coarse sand recovery device, and a box body of the dewatering screen is communicated with a sewage outlet of the coarse sand recovery device;
the fine sand recovery device is communicated with the box body of the dewatering screen, and a discharge port of the fine sand recovery device is positioned above a feed port of the dewatering screen;
the sewage tank is communicated with a sewage outlet of the fine sand recovery device and internally provided with a first water pump;
and the finished slurry tank is communicated with the first water pump through a sewage pipeline and is communicated with the clean water pump through a clean water pipeline, and a sewage concentration tester and a second water pump communicated with the stirring station sewage scale through the sewage pipeline are arranged in the finished slurry tank.
2. The sand-stone separation sewage treatment system as claimed in claim 1, wherein the coarse sand recovery device comprises a first settling tank communicated with the sewage outlet of the vibrating screen through a sewage pipeline, a third water pump arranged in the first settling tank and a first cyclone communicated with the third water pump, the discharge port of the first cyclone is positioned above the feed port of the dewatering screen, and the sewage outlet of the first cyclone is communicated with the box body of the dewatering screen.
3. The sand-separating sewage treatment system as claimed in claim 2, wherein the fine sand recovery device comprises a second settling tank communicated with the box body of the dewatering screen through a sewage pipeline, a fourth water pump arranged in the second settling tank, and a second cyclone communicated with the fourth water pump, wherein the discharge port of the second cyclone is positioned above the feed port of the dewatering screen, and the sewage outlet of the second cyclone is communicated with the sewage tank.
4. The sand-stone separation sewage treatment system according to claim 3, further comprising a preventing device, wherein the preventing device comprises an air compressor, a first pneumatic valve arranged at the bottom of the sewage tank and a second pneumatic valve arranged at the bottom of the finished product slurry tank, the air compressor is respectively communicated with the first pneumatic valve and the second pneumatic valve; the first pneumatic valve is communicated with the sewage tank and is connected with the first sedimentation tank and/or the second sedimentation tank through a sewage pipeline; the second pneumatic valve is communicated with the finished product slurry tank and is connected with the first sedimentation tank and/or the second sedimentation tank through a sewage pipeline.
5. The sand-gravel separation sewage treatment system of claim 3, further comprising a first stirring device and a second stirring device, wherein the first stirring device comprises a first stirring member disposed in the sewage tank and a first driving member disposed above the sewage tank, the first stirring member is connected to the output shaft of the first driving member, the second stirring device comprises a second stirring member disposed in the sewage tank and a second driving member disposed above the product slurry tank, and the second stirring member is connected to the output shaft of the second driving member.
6. The sand-stone separation sewage treatment system of claim 5, further comprising a conveying device, wherein the discharge port of the vibrating screen is positioned above the feed port of the conveying device, and the discharge port of the conveying device is positioned above the stone bin.
7. The sand-stone separation sewage treatment system as claimed in claim 6, further comprising a controller, wherein the controller is respectively electrically connected with the clean water pump, the vibrating screen, the dewatering screen, the first water pump, the second water pump, the third water pump, the fourth water pump, the first cyclone, the second cyclone, the first driving member, the second driving member, the air compressor and the conveying device, and the controller is in communication connection with the sewage concentration tester.
8. The sand-separation sewage treatment system of claim 7 further comprising a control cabinet, wherein the controller is mounted in the control cabinet.
9. The sand-separation wastewater treatment system of claim 7, further comprising a first level sensor disposed in the wastewater tank and a second level sensor disposed in the product slurry tank, the first level sensor and the second level sensor being communicatively coupled to the controller.
10. A sand and stone separation sewage treatment system as claimed in claim 1 wherein the discharge outlet of the dewatering screen is located above the sand silo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223033632.7U CN218687274U (en) | 2022-11-14 | 2022-11-14 | Grit separation sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223033632.7U CN218687274U (en) | 2022-11-14 | 2022-11-14 | Grit separation sewage treatment system |
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| CN218687274U true CN218687274U (en) | 2023-03-24 |
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| CN202223033632.7U Active CN218687274U (en) | 2022-11-14 | 2022-11-14 | Grit separation sewage treatment system |
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| CN (1) | CN218687274U (en) |
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