CN216997921U - Chemical industry waste water tubular membrane preprocessing device - Google Patents
Chemical industry waste water tubular membrane preprocessing device Download PDFInfo
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- CN216997921U CN216997921U CN202220658145.0U CN202220658145U CN216997921U CN 216997921 U CN216997921 U CN 216997921U CN 202220658145 U CN202220658145 U CN 202220658145U CN 216997921 U CN216997921 U CN 216997921U
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Abstract
The utility model relates to a chemical wastewater tubular membrane pretreatment device.A raw water pump, a flowmeter and a basket filter are connected in series and then connected into a raw water tank from the upper end, the bottom of the raw water tank, dialysate and a cleaning water tank are sequentially connected with the basket filter and a high-pressure pump through pipelines and then connected with an inlet of a tubular membrane component, and a water production end of the tubular membrane component is respectively connected into the upper ends of the dialysate/cleaning water tank and the raw water tank through the flowmeter; one path of concentrated water at the concentrated water end of the tubular membrane component passes through the flowmeter and the heat exchanger and then respectively flows back to be connected into the upper ends of the raw water tank and the dialysate/cleaning water tank, and the other path of concentrated water passes through the flowmeter and then is discharged outside. The device can simulate the operation condition of an engineering field, the performance of a test product is compared with that of a conventional tubular membrane test device, the device is provided with a cleaning system for cleaning a cleaning ball, and the device is convenient to clean, compact in structure, small in occupied area, convenient to maintain, high in automation degree and convenient to operate.
Description
Technical Field
The utility model relates to membrane pretreatment equipment, in particular to a chemical wastewater pipe type membrane pretreatment device.
Background
Tubular ultrafiltration is increasingly widely applied to wastewater treatment, the technology can well remove colloid particles in a water body and effectively shield pathogenic microorganisms in the water body, but after a membrane module is put into use, an organic matter gel layer can be formed inside the membrane system, the traditional tubular membrane cleaning method is generally divided into a physical cleaning method and a chemical cleaning method, and the physical cleaning method generally uses clear water for washing and the like; chemical cleaning is typically accomplished by immersing and cleaning the membrane with a chemical agent to break down the gel layer. These physical methods have limited ability to recover membrane flux and are generally not ideal; the chemical method takes a long time and is easy to damage the membrane core; in order to improve the cleaning effect, a cleanable wastewater pretreatment tubular membrane assembly is designed, a cleaning ball cleaning system is arranged, and the system can be cleaned by a cleaning type physical cleaning method by using the device, so that the cleaning frequency and the cleaning effect are improved.
In the process of industrial production or actual use of the filter membrane, the pilot test for the performance of the filter membrane is a very important link, but at present, no pilot test device for the performance test of the filter membrane component exists. Therefore, a chemical wastewater tubular membrane pretreatment device is developed, and a series of pilot-scale tests are carried out on a tubular membrane module and a cleaning ball cleaning system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a chemical wastewater pipe type membrane pretreatment device for solving the problem of membrane performance detection of new design.
A chemical wastewater tubular membrane pretreatment device comprises a raw water pump, a pipeline filter, a raw water tank, a dialysate/cleaning water tank, a high-pressure pump, a tubular membrane component, a flow meter and a heat exchanger; the raw water pump, the flowmeter and the pipeline filter are connected in series and then connected into a raw water tank from the upper end, the bottom of the raw water tank, the dialysate and the cleaning water tank are sequentially connected with the pipeline filter and the high-pressure pump through pipelines and then connected with an inlet of the tubular membrane assembly, and a water production end of the tubular membrane assembly is respectively connected into the upper ends of the dialysate/cleaning water tank and the raw water tank through the flowmeter; one path of concentrated water at the tubular membrane component passes through a flowmeter and a heat exchanger and then respectively flows back and is connected into the upper ends of a raw water tank and a dialysate/cleaning water tank, and the other path of concentrated water passes through the flowmeter and then is discharged outside.
Furthermore, liquid level switches are arranged on the raw water tank and the dialysate cleaning water tank.
Further, the tubular membrane module comprises a membrane shell and a membrane core, wherein the membrane core is sealed in the membrane shell through an end cover, and the membrane core can be freely taken out and replaced.
Furthermore, the tubular membrane modules are provided with two sets and arranged in parallel, and membrane modules of different models can be tested simultaneously.
Further, the pipeline filter is the basket filter, and the filter fineness is 100 um.
Furthermore, a plurality of sponge cleaning balls are placed in the cleaning water tank, and the size of each sponge cleaning ball is 10-12mm in diameter.
Furthermore, a pressure gauge and a pressure sensor are arranged on a concentrated water end discharge pipeline of the tubular membrane component, and a pressure regulating valve and a flow sensor are respectively arranged on a rear flowmeter pipeline; the tubular membrane component water inlet pipeline is provided with a conductivity meter, a thermometer, a temperature sensor, a flow sensor, a pressure gauge and a pressure sensor,
further, the electric control cabinet is further included, a PLC control panel is arranged on the electric control cabinet, a PLC control system is arranged in the electric control cabinet, the flow meter, the pressure gauge, the thermometer and the conductivity meter are connected with the PLC control system, and the PLC control system reads data in real time and uploads the data to the PLC control panel.
Compared with the prior art, the utility model has the beneficial effects that: the equipment can simulate the operation conditions of an engineering field, and compared with the conventional tubular type test product performanceThe membrane test equipment is provided with a cleaning system for cleaning by cleaning balls, is convenient to clean, and has the advantages of compact structure, small occupied area, convenient maintenance, high automation degree, convenient operation, maximum operation pressure of the system up to 15bar and maximum flow of 1.2m3/h。
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of the apparatus of the present invention;
FIG. 2 is a schematic diagram of the back side of the device of the present invention;
wherein, 1, a raw water pump; 2. a basket filter; 3. a raw water tank; 4. dialysate/purge water tank; 5. a high pressure pump; 6. a tubular membrane module; 7. a flow meter; 8. a conductivity meter; 9. an electric cabinet; 10. PLC control panel, 11, flow sensor; 12. and a pressure gauge.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification.
As shown in fig. 1 to 2, a chemical wastewater tubular membrane pretreatment device comprises a raw water pump 1, a basket filter 2, a raw water tank 3, a dialysate/cleaning water tank 4, a high-pressure pump 5, a tubular membrane module 6, and a flowmeter 7; the raw water pump 1, the flowmeter 7 and the basket filter 2 are connected in series and then are connected into the raw water tank 3 from the upper end, and raw water is introduced into the raw water tank 3 by the raw water pump 1; the bottom of the raw water tank 3 and the bottom of the dialysate/cleaning water tank 4 are sequentially connected with the basket filter 2 and the high-pressure pump 3 through pipelines, and then are connected with the inlet of the tubular membrane component 6, and the water producing end of the tubular membrane component 6 is respectively connected into the dialysate/cleaning water tank 4 and the raw water tank 3 through a flowmeter 7; one path of the concentrated water end of the tubular membrane component 6 passes through the flowmeter 7 and then respectively flows back and is connected into the raw water tank 3 and the dialysate/cleaning water tank 4, and the other path of the concentrated water passes through the flowmeter 7 and then is discharged. The raw water tank is used as a treated water storage tank and is conveyed by a raw water pump, the high-pressure pump provides basic circulating power for the whole system, the filtering precision of the basket filter is 100 microns, large-particle suspended matters are intercepted in a pipeline, and protection is provided for a tested tubular membrane module.
A pressure gauge 12 and a pressure sensor are arranged on a concentrated water end discharge pipeline of the tubular membrane component 6, and a pressure gauge 12 and a flow sensor 11 are respectively arranged on a rear flowmeter pipeline; the tubular membrane component water inlet pipeline is provided with a conductivity meter 8, a flow sensor 11 and a pressure gauge 12, and the raw water tank 3 and the dialysate/cleaning water tank 4 are provided with liquid level switches.
The tubular membrane component 6 comprises a membrane shell and a membrane core, the membrane core is sealed in the membrane shell through an end cover, and the membrane core can be freely taken out and replaced; the tubular membrane components 6 are provided with two sets and arranged in parallel, and membrane components of different models can be tested simultaneously.
A plurality of sponge cleaning balls are arranged in the dialysate/cleaning water tank 4, the size of each sponge cleaning ball is 10-12mm, and the cleaning balls are continuously scrubbed on the surface of the membrane tube to remove pollutants adhered on the surface of the membrane.
The electric control cabinet is characterized by further comprising an electric control box 9, a PLC control panel 10 is arranged on the electric control box, and a PLC control system is arranged in the electric control box and can realize two running modes of constant pressure or constant current through automatic adjustment of a valve; the flowmeter 7, the pressure gauge 12, the pressure sensor and the conductivity meter 8 are connected with a PLC control system, and the PLC control system reads data in real time and uploads the data to a PLC control panel 10.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a chemical industry waste water tubular membrane preprocessing device which characterized in that: comprises a raw water pump, a pipeline filter, a raw water tank, a dialysate/cleaning water tank, a high-pressure pump, a tubular membrane component, a flowmeter and a heat exchanger; the raw water pump, the flowmeter and the pipeline filter are connected in series and then connected into a raw water tank from the upper end, the bottom of the raw water tank, the dialysate and the cleaning water tank are sequentially connected with the pipeline filter and the high-pressure pump through pipelines and then connected with an inlet of the tubular membrane assembly, and a water production end of the tubular membrane assembly is respectively connected into the upper ends of the dialysate/cleaning water tank and the raw water tank through the flowmeter; one path of concentrated water at the tubular membrane component passes through a flowmeter and a heat exchanger and then respectively flows back and is connected into the upper ends of a raw water tank and a dialysate/cleaning water tank, and the other path of concentrated water passes through the flowmeter and then is discharged outside.
2. The chemical wastewater tubular membrane pretreatment device according to claim 1, wherein: and liquid level switches are arranged on the raw water tank and the dialysate cleaning water tank.
3. The chemical wastewater tubular membrane pretreatment device according to claim 1, wherein: the tubular membrane module comprises a membrane shell and a membrane core, wherein the membrane core is sealed in the membrane shell through an end cover, and the membrane core can be freely taken out and replaced.
4. The chemical wastewater tubular membrane pretreatment device according to claim 3, wherein: the tubular membrane components are provided with two sets and arranged in parallel, and membrane components of different models can be used simultaneously.
5. The chemical wastewater tubular membrane pretreatment device according to claim 1, wherein: the pipeline filter is a basket filter, and the filtering precision is 100 um.
6. The chemical wastewater tubular membrane pretreatment device according to claim 1, wherein: a plurality of sponge cleaning balls are arranged in the cleaning water tank.
7. The chemical wastewater tubular membrane pretreatment device according to claim 1, wherein: a pressure gauge and a pressure sensor are arranged on a concentrated water end discharge pipeline of the tubular membrane component, and a pressure regulating valve and a flow sensor are respectively arranged on a rear flowmeter pipeline; and a water inlet pipeline of the tubular membrane component is provided with a conductivity meter, a thermometer, a temperature sensor, a flow sensor, a pressure gauge and a pressure sensor.
8. The chemical wastewater tubular membrane pretreatment device according to any one of claims 1 to 7, wherein: still include the electric cabinet, be equipped with PLC control panel on the electric cabinet, set up PLC control system in the electric cabinet, flowmeter, manometer, thermometer, conductivity meter are connected with PLC control system, and PLC control system reads data in real time and uploads to PLC control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658145.0U CN216997921U (en) | 2022-03-25 | 2022-03-25 | Chemical industry waste water tubular membrane preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220658145.0U CN216997921U (en) | 2022-03-25 | 2022-03-25 | Chemical industry waste water tubular membrane preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216997921U true CN216997921U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220658145.0U Active CN216997921U (en) | 2022-03-25 | 2022-03-25 | Chemical industry waste water tubular membrane preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216997921U (en) |
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2022
- 2022-03-25 CN CN202220658145.0U patent/CN216997921U/en active Active
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