CN215876435U - Novel coal-containing wastewater treatment device - Google Patents
Novel coal-containing wastewater treatment device Download PDFInfo
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- CN215876435U CN215876435U CN202121267040.4U CN202121267040U CN215876435U CN 215876435 U CN215876435 U CN 215876435U CN 202121267040 U CN202121267040 U CN 202121267040U CN 215876435 U CN215876435 U CN 215876435U
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Abstract
The application discloses novel contain coal waste water treatment device through the effect of elevator pump, carries the coal-containing waste water in the coal-containing wastewater disposal basin to the filter in, and the filtration membrane bag that sets up in the rethread filter carries out impurity filtering to coal-containing waste water, and the water after the filtration is from the export of filter in the clear water pipe gets into the clear water pond, and the rethread is used as other aspects in rather than the required pipeline of clear water pump transport of being connected. Compressed air pipe is connected with the filter, on squeezing into the filtration membrane bag in the filter with compressed air through the aerator, makes impurity sink, increases the filter effect of filtration membrane bag. After the filter is used for a period of time, when the filter membrane bag needs to be cleaned, the impurities accumulated on the filter membrane bag can be cleaned in an auxiliary way by utilizing bubbles with strong pressure generated by the aerator during cleaning, and the cleaning liquid can form backflow to increase the cleaning effect. After cleaning, the cleaning liquid is guided into the storage tank through the water return pipe, and the filter membrane bag is cleaned.
Description
Technical Field
The application relates to the field of thermoelectric power systems, in particular to a novel coal-containing wastewater treatment device.
Background
The coal-containing wastewater treatment equipment is mainly used in the fields of coal conveying or coal storage of thermal power plants, coal mines, coal washing plants, coking plants and the like, and is used for recycling coal powder in coal-containing wastewater and enabling sewage to be discharged or recycled up to the standard.
The equipment in the prior art mainly comprises an inclined plate sedimentation area and a physical filtration area, and the aim of treating the coal-containing wastewater is fulfilled by adopting a method of adding medicines to generate sedimentation and filtering; specifically, the process is mainly characterized in that before coal-containing wastewater enters equipment, a coagulant and a coagulant aid are added into the wastewater, the wastewater enters a flocculation and precipitation zone, suspended coal particles in the wastewater are removed in the flocculation and precipitation zone through gravity settling, and finally the wastewater enters a filtering zone; because the sedimentation of the coal particles in the equipment is influenced by a plurality of factors such as the structure of a sedimentation area, the arrangement mode of a water inlet and a water outlet, the water flow characteristic, the specific gravity and the particle size of the coal particles and the like, the optimal working condition of the influencing factors is difficult to achieve in design and actual operation; moreover, only large-particle coal particles in the wastewater can be removed through common gravity sedimentation, smaller particles and colloid particles in the wastewater are difficult to remove, and high-concentration suspended matters in the water can block process equipment, so that most enterprises do not use the treated wastewater, and the treated wastewater needs to be treated again if the wastewater needs to be recycled; according to investigation, the quality of the coal-containing wastewater effluent treated by the process is unstable, and the standard discharge cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The application provides a novel contain coal effluent treatment plant, has solved the coal-containing water quality of water unstability after handling among the prior art, can not discharge standard's problem up to standard.
In order to solve the technical problem, the application provides a novel coal-containing wastewater treatment device, include:
the filter, be provided with the filter membrane bag in the filter, the filter membrane bag pass through the ribbon connect in the filter, filter membrane bag upside is provided with the aerator, the one end of aerator is connected with the compressed air pipeline, the one end of compressed air pipeline is connected with the air supply source, be connected with the inlet channel on the filter, the inlet channel is connected with the elevator pump, the one end of elevator pump is connected with coal-containing wastewater disposal basin, is close to the exit of filter is provided with the clarified water pipe, the one end of clarified water pipe is connected with the clarified water pond, states to be provided with the wet return on the filter, the one end of wet return is connected with the hold up tank.
Preferably, a water quality detector is further arranged on the clean water pipe.
Preferably, a pressure gauge is further arranged on the compressed air pipeline.
Preferably, an electromagnetic induction valve is further arranged on the compressed air pipeline.
Preferably, a check valve is further arranged on the water return pipe.
Preferably, the outlet of the clean water tank is connected with a water pump.
Preferably, the filter is further communicated with a siphon, and the siphon is communicated with the coal-containing wastewater tank through a connecting pipe.
Compared with the prior art, the utility model provides a novel contain coal waste water treatment device through the effect of elevator pump, will contain in the coal wastewater disposal basin contain coal waste water carry to the filter in, the filtration membrane bag that sets up in the rethread filter carries out impurity filtering to containing coal wastewater, and the water after the filtration gets into the clean water basin through the clean water pipe from the export of filter in, and the rethread is rather than the required pipeline of clean water pump transport in being connected, uses as other aspects. Compressed air pipe is connected with the filter, on squeezing into the filtration membrane bag in the filter with compressed air through the aerator, makes impurity sink, increases the filter effect of filtration membrane bag. After the filter is used for a period of time, when the filter membrane bag needs to be cleaned, the impurities accumulated on the filter membrane bag can be cleaned in an auxiliary way by utilizing bubbles with strong pressure generated by the aerator during cleaning, and the cleaning liquid can form backflow to increase the cleaning effect. After cleaning, the cleaning liquid is guided into the storage tank through the water return pipe, and the filter membrane bag is cleaned.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.
FIG. 1 is a schematic structural view of a novel coal-containing wastewater treatment device provided by the utility model;
fig. 2 is a schematic structural diagram of a filter according to the present invention.
In the figure, 1 filter, 2 filter membrane bags, 3 aerators, 4 compressed air pipelines, 5 water inlet pipelines, 6 lift pumps, 7 coal-containing wastewater pools, 8 clean water pipes, 9 clean water pools, 10 water pumps, 11 water return pipes, 12 cleaning pumps, 13 storage tanks, 14 siphons, 15 connecting pipes, 16 cleaning holes, 17 bandages, 18 water quality detectors, 19 pressure gauges, 20 electromagnetic induction valves, 21 stop valves and 22 check valves.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.
The core of this application is to provide a novel contain coal effluent treatment plant, can solve among the prior art after handling contain coal water quality of water unstable, can not discharge standard's up to standard problem.
Fig. 1 is a schematic structural diagram of a novel coal-containing wastewater treatment device provided by the utility model, fig. 2 is a schematic structural diagram of a filter provided by the utility model, and as shown in fig. 1 and fig. 2, the device comprises:
Specifically, the waste water in the coal-containing waste water tank 7 is conveyed to the filter 1 under the action of the lifting pump 6, and is filtered by the filtering action of the filter membrane bag 2 in the filter 1, and the filtered clean water is conveyed to the clean water tank 9 through the clean water pipe 8 for other use. The upper side of the filter membrane bag 2 is provided with the aerator 3, the aerator 3 adopts the disc aerator 3 existing in the market, the diameter of a drill hole on the disc aerator 3 is between 184 and 295 millimeters, the mode of the drill hole is diversified, for example, different slit lengths, distances and drill hole densities can realize the adjustment of working pressure, and the aerator is used in the intermittent and continuous aeration processes and has the excellent performances of low installation cost, high reliability, energy conservation and the like. Precision drilling is favorable to high-efficient oxygen transmission and utilization, produces a large amount of bubbles that have powerful pressure in the use, and the bubble is beaten at filter membrane bag 2, and the filterable impurity of accumulating on filter membrane bag 2 strikes, makes impurity sink, will reduce the influence to filtration rate.
The filter membrane bag 2 has the characteristics that: low-pressure filtration, large unit filtration water quantity, one-time purification, wide filtration precision range, wide operation temperature range, excellent chemical stability, automatic backwashing continuous filtration, long service life and low use cost. Backwashing: the method of removing deposits by reversing the direction of water flow in the system is more effective than the rinsing method. And the effluent quality of the filter membrane bag 2 completely meets the design effluent quality and output requirement, thereby achieving the conditions of full-automatic control, unattended operation, short backwashing time, small power consumption, small dosage, small maintenance work dosage, low maintenance cost and good system operation.
In order to ensure that the water quality of the filtered water can reach the standard, preferably, the clear water pipe 8 is further provided with a water quality detector 18, and when the water quality does not reach the standard, the water quality detector 18 gives an alarm to remind a worker to clean the filter 1.
According to the requirement that the backwashing pressure of the filter membrane bag 2 is 0.035MPa, preferably, the pressure gauge 19 is further arranged on the compressed air pipeline 4, and the pressure gauge 19 can ensure the real-time detection of the pressure of the compressed air in the compressed air pipeline 4, so that the damage of the filter membrane bag caused by overlarge pressure is avoided. In order to remotely control the delivery of the compressed air in the compressed air pipe 4, the compressed air pipe 4 is preferably further provided with an electromagnetic induction valve 20.
The clean water filtered by the filter membrane bag 2 in the filter 1 is conveyed to the clean water tank 9 through the clean water pipe 8, and in order to conveniently and quickly use the clean water in the clean water tank 9, preferably, the outlet of the clean water tank 9 is connected with a water pump 10, and the water pump 10 can convey the water in the clean water tank 9 to other pipelines for other purposes.
The filter membrane bag 2 is used for a period of time, the blocking phenomenon can occur, the filter membrane bag 2 must be cleaned, acid liquor is selected for cleaning liquid, the cleaning liquid is cleaned by adopting an acid cleaning method, when the filter membrane bag is cleaned, stop valves 21 on other communicated pipelines except a return water pipe 11 need to be closed, the acid liquor is pumped into the filter 1 through cleaning holes 16 reserved in the filter 1, an electromagnetic induction valve 20 on a compressed air pipeline 4 is opened, compressed air is pumped into the filter 1, the acid liquor flows, and the filter membrane bag 2 is cleaned. The acid solution after cleaning is conveyed to a storage tank 13 through a return pipe 11 and is treated in a centralized manner. A cleaning pump is additionally arranged on the water return pipe, so that the conveying speed of the acid liquor after cleaning can be increased. Preferably, the water return pipe 11 is further provided with a check valve 22, and the check valve 22 belongs to an automatic valve and mainly functions to prevent the medium from flowing backwards.
In order to evacuate the wastewater in the filter 1 before the filter membrane bag 2 is cleaned, preferably, a siphon 14 is further communicated with the filter 1, the siphon 14 is communicated with the coal-containing wastewater pool 7 through a connecting pipe 15, the end with the high opening is placed in the filter 1 filled with the wastewater by utilizing the action force phenomenon of liquid level difference, the wastewater in the filter 1 continuously flows to the coal-containing wastewater pool 7 at the lower position through the siphon, and the additional evacuation of the wastewater is realized. The essence of the siphon is due to the liquid pressure and the atmospheric pressure.
The utility model provides a novel contain coal waste water treatment device through the effect of elevator pump, carries the coal-containing waste water in the coal-containing wastewater disposal basin to the filter in, and the filtration membrane bag that sets up in the rethread filter carries out impurity filtering to coal-containing waste water, and the water after the filtration is from the export of filter in the clear water pipe gets into the clear water pond, and the rethread is rather than the clear water pump that is connected and carry in the required pipeline, uses as other aspects. Compressed air pipe is connected with the filter, on squeezing into the filtration membrane bag in the filter with compressed air through the aerator, makes impurity sink, increases the filter effect of filtration membrane bag. After the filter is used for a period of time, when the filter membrane bag needs to be cleaned, the impurities accumulated on the filter membrane bag can be cleaned in an auxiliary way by utilizing bubbles with strong pressure generated by the aerator during cleaning, and the cleaning liquid can form backflow to increase the cleaning effect. After cleaning, the cleaning liquid is guided into the storage tank through the water return pipe, and the filter membrane bag is cleaned.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.
Claims (7)
1. A novel coal-containing wastewater treatment device is characterized by comprising:
the filter, be provided with the filter membrane bag in the filter, the filter membrane bag pass through the ribbon connect in the filter, filter membrane bag upside is provided with the aerator, the one end of aerator is connected with the compressed air pipeline, the one end of compressed air pipeline is connected with the air supply source, be connected with the inlet channel on the filter, the inlet channel is connected with the elevator pump, the one end of elevator pump is connected with coal-containing wastewater disposal basin, is close to the exit of filter is provided with the clarified water pipe, the one end of clarified water pipe is connected with the clarified water pond, states to be provided with the wet return on the filter, the one end of wet return is connected with the hold up tank.
2. The novel coal-containing wastewater treatment device according to claim 1, wherein a water quality detector is further arranged on the clean water pipe.
3. The novel coal-containing wastewater treatment device according to claim 1, wherein a pressure gauge is further arranged on the compressed air pipeline.
4. The novel coal-containing wastewater treatment device according to claim 1, wherein an electromagnetic induction valve is further arranged on the compressed air pipeline.
5. The novel coal-containing wastewater treatment device according to claim 1, wherein a check valve is further arranged on the water return pipe.
6. The novel coal-containing wastewater treatment device according to claim 1, wherein the outlet of the clean water tank is further connected with a water pump.
7. The novel coal-containing wastewater treatment device according to claim 1, wherein a siphon is further communicated with the filter, and the siphon is communicated with the coal-containing wastewater pool through a connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121267040.4U CN215876435U (en) | 2021-06-08 | 2021-06-08 | Novel coal-containing wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121267040.4U CN215876435U (en) | 2021-06-08 | 2021-06-08 | Novel coal-containing wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215876435U true CN215876435U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121267040.4U Active CN215876435U (en) | 2021-06-08 | 2021-06-08 | Novel coal-containing wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215876435U (en) |
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2021
- 2021-06-08 CN CN202121267040.4U patent/CN215876435U/en active Active
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