CN211813978U

CN211813978U - Chemical plant water pollution treatment equipment

Info

Publication number: CN211813978U
Application number: CN201921958111.8U
Authority: CN
Inventors: 梁建雄
Original assignee: Jiangsu Runshan Environmental Protection Engineering Co Ltd
Current assignee: Jiangsu Runshan Environmental Protection Engineering Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-10-30
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a chemical plant water pollution treatment facility relates to water pollution treatment technical field, and is higher for solving current sewage treatment device cost, and the easy problem of blockking up. The membrane bioreactor is installed to one side of rose box, the reaction box is installed to one side of gravity settling tank, the membrane bioreactor is installed to one side of reaction box, install first water pump between rose box and the gravity settling tank, first feed liquor pipeline is all installed at the both ends of first water pump, and just first feed liquor pipeline passes through flange joint with first water pump, and the inside of the one end embedding rose box of first feed liquor pipeline, and the other end embedding gravity settling tank of first feed liquor pipeline, install the second water pump between reaction box and the membrane bioreactor, the second feed liquor pipeline is all installed at the both ends of second water pump, and the second feed liquor pipeline passes through flange joint with the second water pump.

Description

Chemical plant water pollution treatment equipment

Technical Field

The utility model relates to a water pollution treatment technical field specifically is a chemical plant water pollution treatment facility.

Background

In general, natural gas and liquid ammonia, or other primary chemical raw materials are used as main raw materials in chemical plant production, and petrochemical products and fine chemicals derived from the raw materials, such as lime, fertilizers, medical alcohol and the like, including cosmetics, belong to chemical products. Organic poisons in the sewage can kill aquatic organisms and affect drinking water sources and scenic spot landscapes. When the organic substances in the sewage are decomposed by microorganisms, oxygen in the sewage is consumed, which affects the life of aquatic organisms, and when dissolved oxygen in the sewage is exhausted, the organic substances are anaerobically decomposed to generate offensive odor gases such as hydrogen sulfide and mercaptan, which further deteriorates the water quality, so that the treatment of the sewage in a chemical plant is inevitable.

However, the existing sewage treatment equipment has higher cost and is easy to block; therefore, the existing requirements are not met, and a water pollution treatment device for a chemical plant is provided for the water pollution treatment device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemical plant water pollution treatment facility to the current sewage treatment device cost that provides in solving above-mentioned background art is higher, and the easy problem of blockking up.

In order to achieve the above object, the utility model provides a following technical scheme: a chemical plant water pollution treatment device comprises a filter tank, wherein a gravity settling tank is arranged on one side of the filter tank, a reaction box is arranged on one side of the gravity settling box, a membrane bioreactor is arranged on one side of the reaction box, a first water pump is arranged between the filter tank and the gravity settling tank, both ends of the first water pump are provided with first liquid inlet pipelines, and the first liquid inlet pipeline is connected with the first water pump through a flange, and one end of the first liquid inlet pipeline is embedded into the filter box, the other end of the first liquid inlet pipeline is embedded into the gravity settling tank, a second water pump is arranged between the reaction tank and the membrane bioreactor, the two ends of the second water pump are both provided with second liquid inlet pipelines, and the second liquid inlet pipeline is connected with the second water pump through a flange, one end of the second liquid inlet pipeline is embedded into the reaction box, and the other end of the second liquid inlet pipeline is embedded into the membrane bioreactor.

Preferably, one side of rose box is provided with the waste water import, the internally mounted of rose box has the filtration grid, the filtration grid includes primary filter grid and second grade filter grid, and primary filter grid is located the top of second grade filter grid, and the handle is installed to the upper end of filtration grid, and handle and filter grid welded connection, and the handle is provided with three.

Preferably, a first motor is installed in the middle of the upper end of the gravity settling tank, a rotary rake is installed at the lower end of the first motor, a plurality of blades are installed at the lower end of the rotary rake, a partition plate is installed between the gravity settling tank and the reaction tank, an overflow groove is formed in the upper end inside the partition plate, a settling tank is arranged below the gravity settling tank, a truss is installed at the upper end of the settling tank, a first calandria is installed inside the truss, a valve is installed outside the first calandria, and a second calandria is installed at the bottom end inside the settling tank.

Preferably, a second motor is installed in the middle of the upper end of the reaction box, a stirring rod is installed at the lower end of the second motor, and a reagent adding port is formed in one side of the upper end of the reaction box.

Preferably, the membrane bioreactor is internally provided with a membrane module, the membrane module is externally provided with a fixing frame, the upper end of the fixing frame is provided with a clear liquid outlet pipe, an aerator pipe is arranged below the membrane module, and a fan is arranged on one side of the aerator pipe.

Preferably, the liquid level observation window is all installed to the front end of gravity settling tank and reaction box, the PH detector is installed to the front end of reaction box, the model of PH detector sets up to PH6.0 type.

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

1. the utility model primarily filters sewage through the filtering grids to filter out large particle impurities inside, and the primary filtering grids and the secondary filtering grids filter out different impurities to complete twice filtering, thereby ensuring that the sewage can not block pipelines in the subsequent treatment process and reducing the treatment cost;

2. the utility model discloses a work of first motor drives the commentaries on classics harrow and rotates, utilizes the gravity to subside and separates and be the suspended state pollutant in the waste water, removes the most suspension solid that can subside in the sewage in order to improve subsequent treatment effect, opens the valve, and the inside of subsider is accessible to the first calandria of suspended solid, and the pollutant can be discharged through the second calandria at last;

3. the utility model discloses a reagent adds the mouth and adds fenton reagent, and the rethread puddler improves the degree of consistency of mixing, and the fenton reagent has strong oxidizing property and basicity, can make the pH value of sewage return the decomposition of neutral and organic impurity in the sewage by great degree, and processing cost is lower, can purify sewage through the mode of chemistry and physics, can get rid of through membrane bioreactor and remain mud and suspended solid in the sewage, further reduce the sewage turbidity to improve out the water quality.

Drawings

FIG. 1 is a schematic view of the overall structure of a chemical plant water pollution treatment device of the present invention;

FIG. 2 is a connection diagram of the filtering box and the filtering grid of the present invention;

fig. 3 is a front view of the gravity settling tank and the reaction tank of the present invention.

In the figure: 1. a filter box; 2. a gravity settling tank; 3. a reaction box; 4. a membrane bioreactor; 5. a first water pump; 6. a first liquid inlet pipe; 7. a second water pump; 8. a second liquid inlet pipe; 9. a pH detector; 10. a wastewater inlet; 11. filtering the grating; 12. a primary filtering grid; 13. a secondary filtering grid; 14. a first motor; 15. rotating the harrow; 16. a blade; 17. a partition plate; 18. an overflow trough; 19. a truss; 20. a settling tank; 21. a first bank of tubes; 22. a valve; 23. a second bank of tubes; 24. a second motor; 25. a reagent addition port; 26. a stirring rod; 27. a membrane module; 28. a fixed mount; 29. a clear liquid outlet pipe; 30. an aeration pipe; 31. a fan; 32. a handle; 33. and a liquid level observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a chemical plant water pollution treatment device comprises a filter box 1, a gravity settling box 2 is installed on one side of the filter box 1, a reaction box 3 is installed on one side of the gravity settling box 2, a membrane bioreactor 4 is installed on one side of the reaction box 3, a first water pump 5 is installed between the filter box 1 and the gravity settling box 2, first liquid inlet pipelines 6 are installed at two ends of the first water pump 5, the first liquid inlet pipelines 6 are connected with the first water pump 5 through flanges, one end of each first liquid inlet pipeline 6 is embedded into the filter box 1, the other end of each first liquid inlet pipeline 6 is embedded into the gravity settling box 2, a second water pump 7 is installed between the reaction box 3 and the membrane bioreactor 4, second liquid inlet pipelines 8 are installed at two ends of each second water pump 7, the second liquid inlet pipelines 8 are connected with the second water pumps 7 through flanges, and one end of each second liquid inlet pipeline 8 is embedded into the reaction box 3, and the other end of the second liquid inlet pipeline 8 is embedded into the membrane bioreactor 4, so that the sewage treatment effect is good, and the overall treatment cost is low.

Further, one side of rose box 1 is provided with waste water inlet 10, the internally mounted of rose box 1 has filter grid 11, filter grid 11 includes primary filter grid 12 and second grade filter grid 13, and primary filter grid 12 is located second grade filter grid 13's top, and filter grid 11's upper end installs handle 32, and handle 32 and filter grid 11 welded connection, and handle 32 is provided with threely, filter grid 11 carries out the prefilter to sewage, filter out inside large granule impurity, primary filter grid 12 and second grade filter grid 13 filter different impurity, accomplish twice filtration, guarantee that sewage can not block up the pipeline at the in-process of follow-up treatment.

Further, a first motor 14 is installed in the middle of the upper end of the gravity settling tank 2, a rotary rake 15 is installed at the lower end of the first motor 14, a plurality of blades 16 are installed at the lower end of the rotary rake 15, a partition plate 17 is installed between the gravity settling tank 2 and the reaction tank 3, an overflow groove 18 is arranged at the upper end inside the partition plate 17, a settling tank 20 is arranged below the gravity settling tank 2, a truss 19 is installed at the upper end of the settling tank 20, a first pipe 21 is installed inside the truss 19, a valve 22 is installed outside the first pipe 21, a second pipe 23 is installed at the bottom end inside the settling tank 20, the rotary rake 15 is driven to rotate by the operation of the first motor 14, pollutants in a suspended state in the wastewater are separated by utilizing gravity settling, most of the suspendable suspended solids in the wastewater are removed to improve the subsequent treatment effect, the valve 22 is opened, and the suspendable solids, finally the contaminants can be discharged through the second pipe row 23.

Further, a second motor 24 is installed in the middle of the upper end of the reaction box 3, a stirring rod 26 is installed at the lower end of the second motor 24, a reagent adding port 25 is formed in one side of the upper end of the reaction box 3, and a user can add Fenton reagent through the reagent adding port 25.

Further, a membrane module 27 is installed inside the membrane bioreactor 4, a fixing frame 28 is installed outside the membrane module 27, a clear liquid outlet pipe 29 is installed at the upper end of the fixing frame 28, an aeration pipe 30 is installed below the membrane module 27, and a fan 31 is installed on one side of the aeration pipe 30 to remove residual sludge and suspended matters in the sewage.

Further, liquid level observation window 33 is all installed to the front end of gravity settling tank 2 and reaction box 3, and PH detector 9 is installed to the front end of reaction box 3, and the model of PH detector 9 sets up to PH6.0 type, carries out the PH value through PH detector 9 in real time to the inside sewage of reaction box 3 and detects, and until sewage becomes neutral.

The working principle is as follows: when the device is used, sewage enters the inside of the filter box 1 through the wastewater inlet 10, the filter grid 11 performs primary filtration on the sewage to filter out large-particle impurities in the sewage, the primary filter grid 12 and the secondary filter grid 13 filter different impurities to complete twice filtration, and ensure that the sewage cannot block a pipeline in the subsequent treatment process, the first water pump 5 works to introduce the sewage filtered in the filter box 1 into the gravity settling box 2 through the first liquid inlet pipeline 6, the first motor 14 works to drive the rotary harrow 15 to rotate, pollutants in a suspended state in the sewage are separated by gravity settling, most of the suspendable suspended solids in the sewage are removed to improve the subsequent treatment effect, the valve 22 is opened, the suspended solids can enter the interior of the settling tank 20 through the first discharge pipe 21, finally the pollutants can be discharged through the second discharge pipe 23, the upper-layer sewage enters the interior of the reaction box 3 through the overflow groove 18, second motor 24 work drives puddler 26 and rotates, improve the degree of consistency of mixture, user's accessible reagent adds mouth 25 and adds the fenton reagent, the fenton reagent has strong oxidizing property and basicity, can make the pH value of sewage return neutral and the organic impurity in the sewage by the decomposition of great degree, the treatment cost is lower, the inside ferrous ion of fenton reagent possesses stronger absorption and coagulation than ferrous sulfate simultaneously, when sewage pH value tends to basicity, the ferric hydroxide flocculation can carry out physical purification to sewage with the ferrous ion flocculation together, can purify sewage through chemical and physical mode, carry out pH value through PH detector 9 to the inside sewage of reaction box 3 in real time and detect, until sewage becomes neutral, second water pump 7 works and introduces the inside of membrane bioreactor 4 through the inside of second inlet tube 8 from reaction box 3, get rid of remaining mud and suspended solid in the sewage, further reduce the sewage turbidity, the clear solution after the filtration pass through clear solution exit tube 29 discharge can, filter grid 11 passes through the draw-in groove with rose box 1 and is connected, can take out filter grid 11 through handle 32 after the work is accomplished, handles the impurity of inside.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a chemical plant water pollution treatment facility, includes rose box (1), its characterized in that: the membrane bioreactor is characterized in that a gravity settling tank (2) is installed on one side of the filter tank (1), a reaction tank (3) is installed on one side of the gravity settling tank (2), a membrane bioreactor (4) is installed on one side of the reaction tank (3), a first water pump (5) is installed between the filter tank (1) and the gravity settling tank (2), a first liquid inlet pipeline (6) is installed at both ends of the first water pump (5), the first liquid inlet pipeline (6) is connected with the first water pump (5) through a flange, one end of the first liquid inlet pipeline (6) is embedded into the filter tank (1), the other end of the first liquid inlet pipeline (6) is embedded into the gravity settling tank (2), a second water pump (7) is installed between the reaction tank (3) and the membrane bioreactor (4), and second liquid inlet pipelines (8) are installed at both ends of the second water pump (7), and the second liquid inlet pipeline (8) is connected with the second water pump (7) through a flange, one end of the second liquid inlet pipeline (8) is embedded into the reaction box (3), and the other end of the second liquid inlet pipeline (8) is embedded into the membrane bioreactor (4).

2. The chemical plant water pollution treatment device according to claim 1, wherein: one side of rose box (1) is provided with waste water import (10), the internally mounted of rose box (1) has filtering grid (11), filtering grid (11) include one-level filtering grid (12) and second grade filtering grid (13), and one-level filtering grid (12) are located the top of second grade filtering grid (13), and the upper end of filtering grid (11) installs handle (32), and handle (32) and filtering grid (11) welded connection, and handle (32) are provided with threely.

3. The chemical plant water pollution treatment device according to claim 1, wherein: the improved gravity settling tank is characterized in that a first motor (14) is installed in the middle of the upper end of the gravity settling tank (2), a rotating rake (15) is installed at the lower end of the first motor (14), a plurality of blades (16) are installed at the lower end of the rotating rake (15), a partition plate (17) is installed between the gravity settling tank (2) and the reaction tank (3), an overflow groove (18) is formed in the upper end of the inner portion of the partition plate (17), a settling tank (20) is arranged below the gravity settling tank (2), a truss (19) is installed at the upper end of the settling tank (20), a first calandria (21) is installed inside the truss (19), a valve (22) is installed outside the first calandria (21), and a second calandria (23) is installed at the bottom end of the settling.

4. The chemical plant water pollution treatment device according to claim 1, wherein: a second motor (24) is installed in the middle of the upper end of the reaction box (3), a stirring rod (26) is installed at the lower end of the second motor (24), and a reagent adding opening (25) is formed in one side of the upper end of the reaction box (3).

5. The chemical plant water pollution treatment device according to claim 1, wherein: the membrane bioreactor (4) internally mounted has membrane module (27), the externally mounted of membrane module (27) has mount (28), clear liquid exit tube (29) is installed to the upper end of mount (28), aeration pipe (30) are installed to the below of membrane module (27), fan (31) are installed to one side of aeration pipe (30).

6. The chemical plant water pollution treatment device according to claim 1, wherein: liquid level observation window (33) are all installed to the front end of gravity settling tank (2) and reaction box (3), pH detector (9) are installed to the front end of reaction box (3), the model of pH detector (9) sets up to the pH6.0 type.