CN218596201U - Full underground zero-discharge sand-stone separation sewage treatment system - Google Patents

Abstract

The utility model provides a full underground zero release grit separation sewage treatment system belongs to sewage treatment technical field. The system comprises a clean water tank, wherein a first water pump is arranged in the clean water tank; a spraying pipeline of the sand-stone separator is communicated with the first water pump; the water inlet of the fine sand recovery device is communicated with the water outlet of the sand-stone separator, and the discharge port of the fine sand recovery device is communicated with the hopper inlet of the sand-stone separator; a first material conveying device, wherein a feed port of the first material conveying device is arranged below a discharge port of the sand-stone separator; a feed inlet of the second material conveying device is arranged below a discharge outlet of the first material conveying device; the stirring tank is communicated with the sewage outlet of the fine sand recovery device, and a third water pump is arranged in the stirring tank; and the finished product slurry tank is communicated with the third water pump through a sewage pipeline and is communicated with the first water pump through a clear water pipeline, a fourth water pump is arranged in the finished product slurry tank, and the finished product slurry tank is communicated with a stirring station sewage scale through a sewage pipeline. The utility model discloses a whole system sets up in the underground, is fit for the limited stirring station in place, makes ground clean and tidy, more reasonable utilization space.

Description

Full underground zero-discharge sand-stone separation sewage treatment system

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a full underground formula zero release grit separation sewage treatment system.

Background

Concrete is widely used as a main building material for building construction, and in order to protect the environment, sewage generated in concrete mixing plants such as tank cars, waste cleaning, washing sites and the like needs to be treated by a system and reaches a discharge standard before being discharged or reused. This makes it possible to meet the requirements of both environmental protection and practicability for the sewage treatment system.

To this, chinese patent 202023162868.1 discloses a sewage treatment system for concrete mixing plant, including carwash system, grit piece separating system, mixing system, confession thick liquid system and electrical control system, the carwash system is used for wasing the trucd mixer, grit piece separating system is used for separating the grit, mixing system is used for stirring the separation to grit piece separating system exhaust muddy water, supplies the thick liquid system to retrieve the thick liquid of separation, electrical control system is used for controlling sewage treatment system. The sewage treatment system can recycle the slurry, realizes zero discharge of sewage, and has certain environmental protection and practicability.

However, when the mixing plant site is limited, the conventional sewage treatment system occupies a large space, and the space utilization of the mixing plant site cannot be maximized.

Therefore, the underground sewage treatment system is needed, the ground of the mixing plant is clean, and the space of the mixing plant is utilized more reasonably while sand and stone separation, recycling and zero sewage discharge are realized.

Disclosure of Invention

To the weak point that exists among the correlation technique, the utility model aims to provide a full underground formula zero release grit separation sewage treatment system to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a full underground zero-discharge sand-stone separation sewage treatment system comprises a clean water tank, a sand-stone separator, a fine sand recovery device, a first material conveying device, a second material conveying device, a stirring tank and a finished product slurry tank; a first water pump is arranged in the clean water tank; a spraying pipeline of the sand-stone separator is communicated with the first water pump; a feed port of the fine sand recovery device is communicated with a water outlet of the sand-stone separator, and a discharge port of the fine sand recovery device is communicated with a feed port of the sand-stone separator; the feed inlet of the first material conveying device is arranged below the discharge outlet of the sand-stone separator; the feed inlet of the second material conveying device is arranged below the discharge outlet of the first material conveying device, and the discharge outlet of the second material conveying device is positioned on the ground; the stirring tank is communicated with a sewage outlet of the fine sand recovery device, and a third water pump is arranged in the stirring tank; the finished product slurry tank is communicated with the third water pump through a sewage pipeline, the finished product slurry tank is communicated with the first water pump through a clear water pipeline, a fourth water pump is arranged in the finished product slurry tank, and the fourth water pump is communicated with the stirring station sewage scale through the sewage pipeline.

In some embodiments, the first transporting device is a horizontal transporting device, and the second transporting device is a vertical transporting device for transporting sand to the ground.

In some embodiments, two sets of the first material conveying device and the second material conveying device are provided, and are respectively used for conveying sand and stones.

In some embodiments, the fine sand recovery device comprises a primary sedimentation tank, a second water pump and a cyclone; the primary sedimentation tank is communicated with a sewage outlet of the sand-stone separator through a sewage pipeline; the second water pump is arranged in the sedimentation tank; the cyclone is arranged between the primary sedimentation tank and the sand-stone separator, the cyclone is communicated with the second water pump, the cyclone is provided with two outlets, the sewage is communicated with the stirring tank, and the discharge port is communicated with the hopper inlet of the sand-stone separator.

In some embodiments, the sewage treatment system further comprises a safety device comprising a first pneumatic valve, a second pneumatic valve and an air compressor; the first pneumatic valve is arranged below the stirring tank and is communicated with the primary sedimentation tank through a sewage pipeline; the second pneumatic valve is arranged below the finished product slurry tank and is communicated with the primary sedimentation tank through a sewage pipeline; the air compressor is respectively communicated with the first pneumatic valve and the second pneumatic valve.

In some of these embodiments, the sewage treatment system further comprises a first stirring device and a second stirring device; the first stirring device comprises a first stirring piece arranged in the stirring tank and a first driving piece arranged above the stirring tank, and 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 finished product slurry 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 first driving piece.

In some of these embodiments, the wastewater treatment system further comprises a first level sensor and a second level sensor; the first liquid level sensor is arranged in the stirring tank; the second liquid level sensor is arranged in the finished product slurry tank.

In some of these embodiments, the wastewater treatment system further comprises a wastewater concentration tester disposed in the product slurry tank.

In some embodiments, the sewage treatment system further comprises a controller, wherein the controller is electrically connected with the sand-stone separator, the first water pump, the second water pump, the third water pump, the fourth water pump, the cyclone, the first material conveying device, the second material conveying device, the first driving piece, the second driving piece and the air compressor respectively; the controller is respectively connected with the sewage concentration tester, the first liquid level sensor and the second liquid level sensor in a communication mode.

In some embodiments, the agitator tank of the sewage treatment system is in communication with the sand separator via a sewage line.

In some embodiments, the sewage treatment system further comprises a control cabinet, and the controller is arranged in the control cabinet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model provides a full underground zero release grit separation sewage treatment system sets up in the underground, transports the grit that separates from sewage to the appointed position in ground through first feeding device and second feeding device, is applicable to the stirring station that the place is restricted, makes stirring station ground clean and tidy, and the space in place obtains more reasonable utilization;

2. the utility model provides a full underground zero discharge grit separation sewage treatment system separates the grit in the sewage, recycles the grit, recycles sewage after the concentration adjustment, realizes the zero discharge of sewage, accords with the environmental protection theory of energy saving;

3. the utility model provides a full underground zero discharge sand and stone separation sewage treatment system, which is provided with a controller, realizes the automatic work of the system through the controller, and has simple operation and strong practicability;

4. the utility model provides a full underground zero release grit separation sewage treatment system's agitator tank all is equipped with agitating unit and prevents in the device in finished product slurry tank for prevent the thick liquid water sedimentation siltation, and flow into the heavy pond with the higher sewage of tank bottoms concentration when equipment standby.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic structural view of a fully underground zero-discharge sand-stone separation sewage treatment system according to an embodiment of the present invention;

FIG. 2 is a control schematic block diagram of the fully underground zero-discharge sand-stone separation sewage treatment system according to the embodiment of the present invention;

FIG. 3 is a flow chart of the operation of the underground zero-discharge sand-stone separation sewage treatment system of the embodiment of the utility model.

In the figure:

1. a sand-stone separator; 2. a fine sand recovery device; 3. a first material conveying device; 4. a second material conveying device; 5. a clean water tank; 6. a first water pump; 7. an air compressor; 8. a stirring tank; 9. a finished product slurry tank; 10. a first pneumatic valve; 11. a second pneumatic valve; 12. a controller; 13. a control cabinet; 14. weighing sewage in a stirring station; 21. a primary sedimentation tank; 22. a second water pump; 23. a swirler; 81. a third water pump; 82. a first stirring member; 83. a first liquid level sensor; 91. a fourth water pump; 92. a second stirring member; 93. a second liquid level sensor; 94. sewage concentration tester.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 to those skilled in the art.

Referring to the attached figure 1, the utility model provides a concrete structure of an embodiment of the full underground zero-discharge sand-stone separation sewage treatment system. The utility model provides a full underground formula zero release grit separation sewage treatment system includes clean water basin 5, sand and stone separator 1, fine sand recovery unit 2, first feeding device 3, second feeding device 4, agitator tank 8 and finished product slurry tank 9.

A first water pump 51 is arranged in the clean water tank 5; the sand-stone separator 1 is a common sand-stone separator in the market, and a spraying pipeline of the sand-stone separator is communicated with a first water pump 51; a feed port of the fine sand recovery device 2 is communicated with a water outlet of the sand-stone separator 1, and a discharge port of the fine sand recovery device 2 is communicated with a feed port of the sand-stone separator 1; the feed inlet of the first material conveying device 3 is arranged below the discharge outlet of the sand-stone separator 1; the feed inlet of the second material conveying device 4 is arranged below the discharge outlet of the first material conveying device, and the discharge outlet of the second material conveying device 4 is positioned on the ground; the stirring tank 8 is communicated with a sewage outlet of the fine sand recovery device 2, and a third water pump 81 is arranged in the stirring tank 8; the finished product slurry tank 9 is communicated with the third water pump 81 through a sewage pipeline, the finished product slurry tank 9 is communicated with the first water pump 51 through a clear water pipeline, a fourth water pump 91 is arranged in the finished product slurry tank 9, and the fourth water pump 91 is communicated with the sewage scale 14 of the mixing plant through the sewage pipeline.

The first material conveying device 3 is a belt conveyor for conveying the gravel to the second material conveying device 4, and the second material conveying device 4 is a bucket elevator for conveying the gravel to the ground.

The belt conveyor and the bucket elevator are arranged into two groups, one group is used for conveying sand, and the other group is used for conveying stones.

The fine sand recovery device 2 comprises a primary sedimentation tank 21, a second water pump 22 and a cyclone 23; the primary sedimentation tank 21 is communicated with a sewage outlet of the sand-stone separator 1 through a sewage pipeline, so that the sewage treated by the sand-stone separator 1 flows into the primary sedimentation tank 21; the second water pump 22 is a slurry pump and is arranged in the first sedimentation tank 21, the cyclone 23 is arranged between the first sedimentation tank 21 and the sand-stone separator 1, the cyclone 23 is communicated with the second water pump 22, the cyclone 23 is provided with two outlets, the sewage outlet is communicated with the stirring tank 8, and the discharge port is communicated with the hopper inlet of the sand-stone separator 1; the slurry pump is used for pumping the sewage in the primary sedimentation tank 21 into the cyclone 23, the sewage treated by the cyclone 23 flows into the stirring tank 8 through a sewage outlet, and the fine sand falls onto the belt conveyor through a hopper of the sand-stone separator 1 through a discharge port of the cyclone 23.

The stirring tank 8 is communicated with the sand-stone separator 1 through a sewage pipeline, and sewage in the stirring tank 8 is used for preliminarily cleaning waste materials.

The system further includes a safety device including a first pneumatic valve 10, a second pneumatic valve 11 and an air compressor 7; a first pneumatic valve 10 is arranged below the stirring tank 8, the first pneumatic valve 10 is a first pneumatic butterfly valve, the first pneumatic butterfly valve is communicated with the primary sedimentation tank 21 through a sewage pipeline, and when the equipment is standby, sewage with high concentration at the bottom of the stirring tank 8 flows into the primary sedimentation tank 21 through the sewage pipeline; a second pneumatic valve 11 is arranged below the finished product slurry tank 9, the second pneumatic valve 11 is a second pneumatic butterfly valve, the second pneumatic butterfly valve is communicated with the primary sedimentation tank 21 through a sewage pipeline, and when the equipment is standby, sewage with high concentration at the bottom of the finished product slurry tank 9 flows into the primary sedimentation tank 21 through the sewage pipeline; the air compressor 7 is respectively communicated with the first pneumatic butterfly valve and the second pneumatic butterfly valve and provides an air source for the first pneumatic butterfly valve and the second pneumatic butterfly valve.

A first stirring piece 82 is further arranged in the stirring tank 8, a first driving piece 822 is arranged above the stirring tank 8, and the first stirring piece 82 is connected with an output shaft of the first driving piece 822; a second stirring piece 92 is also arranged in the finished product slurry tank 9, a second driving piece 922 is arranged above the finished product slurry tank 9, and the second stirring piece 92 is connected with an output shaft of the first driving piece 922; the first and second driving members 822 and 922 are controlled by the controller 12 to operate to drive the first and second stirring members 82 and 92, respectively, so as to prevent the slurry in the tank from being precipitated and solidified.

A first liquid level sensor 83 is also arranged in the stirring tank 8; a second liquid level sensor 93 is also arranged in the finished slurry tank 9. The first liquid level sensor 83 and the second liquid level sensor 93 are both in communication connection with the controller 12; detecting the liquid level in the stirring tank 8 through a first liquid level sensor 83, and when the liquid level exceeds a set value, conveying the sewage in the stirring tank 8 to a finished product slurry tank 9 through a third water pump 81; the liquid level in the finished product slurry tank 9 is detected by the second liquid level sensor 93, and when the liquid level exceeds a set value, the sewage in the finished product slurry tank 9 is conveyed to the mixing plant sewage scale 14 by the fourth water pump 91. The first and second level sensors 83, 93 are both level gauges.

A sewage concentration tester 94 is also arranged in the finished product slurry tank 9, and the sewage concentration tester 94 is in communication connection with the controller 12 and is used for observing and adjusting the sewage concentration in the finished product slurry tank 9.

Referring to fig. 1 and 2, a controller 12 is disposed in a control cabinet 13, the controller 12 is electrically connected to the sand-stone separator 1, the first water pump 51, the second water pump 22, the third water pump 81, the fourth water pump 91, the cyclone 23, the first material transporting device 3, the second material transporting device 4, the first driving member 822, the second driving member 922 and the air compressor 7, and the controller 12 is in communication connection with the sewage concentration tester 94, the first liquid level sensor 83 and the second liquid level sensor 93.

The working flow of the embodiment of the full underground zero-discharge sand-stone separation sewage treatment system of the utility model is described in the following with reference to the accompanying drawings 1 to 3:

taking the example of treating the sewage generated by cleaning the concrete tank truck with the residual materials, after the concrete tank truck with the residual materials returns to the mixing station, the concrete tank truck enters the sand-stone separator 1, the concrete tank truck stops at a specified position, a driver stops to add water to the tank truck, after the water addition is completed, the operator injects the sewage in the tank truck into the sand-stone separator 1, a water pump in a mixing tank 8 or a clean water tank 5 is started, the water flow fully cleans the waste materials through a pipeline, stones and sands respectively fall above a first material conveying device 3, then the stones and the sands are conveyed to a second material conveying device 4, the stones and the sands are conveyed to the ground through the second material conveying device 4, and finally the stones and the sands are stored at a position specified by a customer; sewage containing fine sand enters a primary sedimentation tank 21 from a sewage outlet of a sand-stone separator 1, the sewage in the primary sedimentation tank 21 is pumped into a cyclone 23 through a second water pump 22, the sewage treated by the cyclone 23 flows into a stirring tank 8 through the sewage outlet, the fine sand falls above a first material conveying device 3 through a hopper of the sand-stone separator 1 through a discharge hole of the cyclone 23, then is conveyed to a second material conveying device 4, is conveyed to the ground through the second material conveying device 4 and finally is stored at a position appointed by a customer; a third water pump 81 and a first liquid level sensor 83 are arranged in the stirring tank 8, when the first liquid level sensor 83 reaches a set value, the third water pump 81 is started to convey sewage into the finished product slurry tank 9, wherein a sewage concentration tester 94 and a second liquid level sensor 93 are arranged in the finished product slurry tank 9, and a fourth water pump 91 leading to the stirring station sewage scale 14 is also arranged in the finished product slurry tank 9; when the mixing plant produces concrete with the grade below C30, the first water pump 6 in the clean water tank 5 is started, clean water is supplemented into the finished product slurry tank 9 through the clean water pipeline to adjust the sewage concentration, and after the sewage concentration tester 94 reaches a set value, the sewage in the finished product slurry tank 9 is conveyed into the mixing plant sewage scale 14 through the fourth water pump 91, so that the sewage recycling is realized. The controller 12 controls the first driving member 822 and the second driving member 922 to work, and respectively drives the first stirring member 82 and the second stirring member 92 to prevent the slurry water in the tank from precipitating; during the standby period of the equipment, the first pneumatic valve 10 and the second pneumatic valve 11 utilize the air source provided by the air compressor 7 to make the sewage with higher concentration at the bottom of the tank flow into the primary sedimentation tank 21 again through the pipeline so as to prevent the bottom of the stirring tank 8 and the bottom of the finished product slurry tank 9 from silting; the whole set of the full underground sand-stone separation sewage treatment system is controlled by a controller 12 in a control cabinet 13.

Finally, it should be noted that: in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (10)

1. The utility model provides a full underground formula zero release grit separation sewage treatment system which characterized in that includes:

the device comprises a clean water tank (5), wherein a first water pump (51) is arranged in the clean water tank (5);

the spraying pipeline of the sand-stone separator (1) is communicated with the first water pump (51);

a feed inlet of the fine sand recovery device (2) is communicated with a water outlet of the sand-stone separator (1), and a discharge outlet of the fine sand recovery device (2) is communicated with a hopper inlet of the sand-stone separator (1);

the feed inlet of the first feeding device (3) is arranged below the discharge outlet of the sand-stone separator (1);

a feed inlet of the second material conveying device (4) is arranged below a discharge outlet of the first material conveying device (3), and a discharge outlet of the second material conveying device (4) is positioned on the ground;

the stirring tank (8) is communicated with a sewage outlet of the fine sand recovery device (2), and a third water pump (81) is arranged in the stirring tank (8);

the finished product slurry tank (9) is communicated with the third water pump (81) through a sewage pipeline, the finished product slurry tank (9) is communicated with the first water pump (51) through a clear water pipeline, a fourth water pump (91) is arranged in the finished product slurry tank (9), and the fourth water pump (91) is communicated with the stirring station sewage scale (14) through the sewage pipeline.

2. The system according to claim 1, wherein the first conveyor (3) is a horizontal conveyor and the second conveyor (4) is a vertical conveyor for transporting sand to the ground.

3. The system for treating sewage with full underground and zero emission of sand and stone separation as claimed in claim 2, wherein the first material transporting device (3) and the second material transporting device (4) are provided in two groups for transporting sand and gravel respectively.

4. The fully underground, zero-emission sand-separation sewage treatment system according to claim 1, wherein the fine sand reclamation apparatus (2) comprises:

the primary sedimentation tank (21) is communicated with a sewage outlet of the sand-stone separator (1) through a sewage pipeline;

the second water pump (22) is arranged in the primary sedimentation tank (21);

the cyclone (23) is arranged between the primary sedimentation tank (21) and the sand-stone separator (1), the cyclone (23) is communicated with the second water pump (22), the cyclone (23) is provided with two outlets, a sewage outlet is communicated with the stirring tank (8), and a discharge hole is communicated with a hopper inlet of the sand-stone separator (1).

5. The system of claim 4, further comprising a safety device, the safety device comprising:

the first pneumatic valve (10) is arranged below the stirring tank (8) and is communicated with the primary sedimentation tank (21) through a sewage pipeline;

the second pneumatic valve (11) is arranged below the finished product slurry tank (9) and is communicated with the primary sedimentation tank (21) through a sewage pipeline;

and the air compressor (7) is respectively communicated with the first pneumatic valve (10) and the second pneumatic valve (11).

6. The system according to claim 5, further comprising:

the first stirring device comprises a first stirring piece (82) arranged in the stirring tank (8) and a first driving piece (822) arranged above the stirring tank (8), and the first stirring piece (82) is connected with an output shaft of the first driving piece (822);

and the second stirring device comprises a second stirring piece (92) arranged in the finished product slurry tank (9) and a second driving piece (922) arranged above the finished product slurry tank (9), and the second stirring piece (92) is connected with an output shaft of the second driving piece (922).

7. The system according to claim 6, further comprising:

the first liquid level sensor (83) is arranged in the stirring tank (8);

and the second liquid level sensor (93) is arranged in the finished product slurry tank (9).

8. The fully underground zero discharge sand-stone separation sewage treatment system according to claim 7, further comprising a sewage concentration tester (94), wherein the sewage concentration tester (94) is arranged in the finished slurry tank (9).

9. The underground zero-emission sand-stone separation sewage treatment system according to claim 8, further comprising a controller (12), wherein the controller (12) is electrically connected with the sand-stone separator (1), the first water pump (51), the second water pump (22), the third water pump (81), the fourth water pump (91), the cyclone (23), the first material conveying device (3), the second material conveying device (4), the first driving member (822), the second driving member (922) and the air compressor (7), and the controller (12) is in communication connection with the sewage concentration tester (94), the first liquid level sensor (83) and the second liquid level sensor (93).

10. The fully underground, zero-emission sand-separating wastewater treatment system according to claim 1, characterized in that the agitator tank (8) is connected to the sand-separator (1) via a sewage line.

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