CN212417217U - Pressure filter for preliminary treatment of waste liquid - Google Patents
Pressure filter for preliminary treatment of waste liquid Download PDFInfo
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- CN212417217U CN212417217U CN202020886751.9U CN202020886751U CN212417217U CN 212417217 U CN212417217 U CN 212417217U CN 202020886751 U CN202020886751 U CN 202020886751U CN 212417217 U CN212417217 U CN 212417217U
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Abstract
The utility model discloses a pressure filter for preliminary treatment of waste liquid, the application is in the pressure filter field, it is more to have solved the impurity that contains in the copper etching liquid of giving up, single filter-pressing is difficult to adsorb and filter the impurity in the copper etching liquid of giving up, the technical problem of the effect of unable assurance filter-pressing, its technical scheme main points are that the pressure filter includes a jar body, the top of jar body is connected with the inlet pipe, the discharging pipe is connected to the bottom of jar body, the internal filter-pressing system that is provided with of jar, the end of discharging pipe is connected with drain pipe and circulating pipe respectively simultaneously, be equipped with the drain valve on the drain pipe, be equipped with the circulating valve on the circulating pipe, the end of circulating valve is connected with the; the filter press has the technical effects that the filter press can carry out multiple times of filter pressing on the waste copper etching liquid waste liquid according to requirements, the purity of the waste copper etching liquid after filter pressing is improved, and the filter pressing effect is ensured.
Description
Technical Field
The utility model belongs to the technical field of the technique of pressure filter and specifically relates to a pressure filter is used in waste liquid preliminary treatment.
Background
At present, the technology for treating industrial waste liquid is more and more mature, the waste copper etching liquid generated in the industry can separate impurities through pressure filtration, and copper ions in the pressure-filtered waste copper etching liquid are separated and reused through processes such as extraction and the like.
The Chinese patent with the prior publication number of CN202605846U discloses a filter press for the primary treatment of waste liquid, which comprises a tank body, a filter cloth layer, a feed inlet, an air inlet, a discharge outlet, a filter screen layer, a pressure gauge and a controller; the tank body comprises an upper tank body and a lower tank body, and the right sides of the upper tank body and the lower tank body are movably connected together through a hinge; the feed inlet is arranged at the middle upper part of the lower tank body; the filter cloth layer is arranged at the middle lower part of the tank body, and the filter screen layer is arranged close to the filter cloth layer and is arranged below the filter cloth layer; active carbon is arranged between each layer of filter cloth in the filter cloth layer; the feed inlet, the air inlet and the discharge outlet are respectively provided with a control valve; one end of the pressure gauge penetrates through the upper tank body and is arranged inside the tank body; the controller is respectively connected with the pressure gauge and the control valve on the air inlet. The pressure gauge arranged on the filter press for the primary treatment of the waste liquid can accurately measure the pressure in the tank body; the active carbon arranged between the filter cloths of the filter cloth layer can remove toxic substances and colored substances in the wastewater.
The above prior art solutions have the following drawbacks: the waste copper etching liquid enters from a feed inlet of a filter press for filter pressing, and flows out from a discharge outlet of the filter press to complete filter pressing, but the waste copper etching liquid contains more impurities, and the single filter pressing is difficult to adsorb and filter all the impurities in the waste copper etching liquid, so that the filter pressing effect cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pressure filter is used in waste liquid preliminary treatment, its advantage is that the pressure filter can carry out many times filter-pressing to useless copper etching liquid waste liquid as required, improves the purity of useless copper etching liquid behind the filter-pressing, guarantees the effect of filter-pressing.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a pressure filter is used in waste liquid preliminary treatment, includes a jar body, the top of jar body is connected with the inlet pipe, the discharging pipe is connected to the bottom of jar body, the internal filter-pressing system that is provided with of jar, the end of discharging pipe is connected respectively with drain pipe and circulating pipe simultaneously, be equipped with the drain valve on the drain pipe, be equipped with the circulating valve on the circulating pipe, the end-to-end connection of circulating valve has the liquid storage pot, the liquid storage pot is connected with the circulating pump, the liquid outlet end of circulating pump passes through the.
Through above-mentioned technical scheme, useless copper etching liquid carries out the filter-pressing through the filter-pressing system, opens the drain valve, and useless copper etching liquid is discharged through the drain pipe. And if the waste copper etching solution needs to be subjected to filter pressing again, closing the liquid outlet valve and opening the circulating valve to enable the waste copper etching solution to flow into the liquid storage tank. And after all the waste copper etching liquid flows into the liquid storage tank, closing the circulating valve, opening the circulating pump, returning the waste copper etching liquid into the tank body again through the circulating pipe for filter pressing, and then entering the filter element filtering equipment for filtering for multiple filter pressing and filtering, so that the filter pressing effect is improved.
The utility model discloses further set up to: the tail end of the discharge pipe is detachably connected with one end of a three-way pipe, and the other two ends of the three-way pipe are detachably connected with the liquid outlet pipe and the circulating pipe respectively.
Through the technical scheme, the discharge pipe is respectively connected with the liquid outlet pipe and the circulating pipe through the three-way pipe, so that the sealing effect of the joint is improved, and liquid leakage is avoided.
The utility model discloses further set up to: and the discharge pipe is provided with filter element filtering equipment.
Through the technical scheme, the waste copper etching liquid enters the filter element filtering equipment for filtering after being subjected to filter pressing through the filter pressing system, so that the treatment effect on the waste copper etching liquid is improved.
The utility model discloses further set up to: the end of the filter element filtering equipment is provided with a sampling port, and the sampling port is provided with a sampling switch.
Through above-mentioned technical scheme, sample from filter core filtration equipment's sample connection, whether detect the copper scrap etching liquid and reached the processing standard, decide directly to discharge or carry out filter-pressing once more according to the result again.
The utility model discloses further set up to: the liquid outlet valve is arranged at the joint of the liquid outlet pipe and the three-way pipe, and the circulating valve is arranged at the joint of the circulating pipe and the three-way pipe.
Through above-mentioned technical scheme, the junction of drain valve setting and three-way pipe on the drain pipe, avoid when filtering the copper scrap etching liquid once more, deposit liquid in the drain pipe between drain valve and the three-way pipe, make the unable whole filter-pressing that carries on of copper scrap etching liquid. The circulating valve is arranged at the joint of the circulating pipe and the three-way pipe, so that the influence on normal liquid discharge caused by liquid storage between the circulating valve and the three-way pipe is avoided.
The utility model discloses further set up to: the liquid outlet valve and the circulating valve are arranged to be corrosion-resistant valves, and the circulating pump is arranged to be a corrosion-resistant pump.
Through the technical scheme, the waste copper etching liquid has strong corrosivity, the liquid outlet valve and the circulating valve are arranged to be the corrosion-resistant valve, and the circulating pump is arranged to be the corrosion-resistant pump, so that the service life of the waste copper etching liquid is prolonged.
The utility model discloses further set up to: the jar is equipped with the cover on the body, the cover can be dismantled with the jar body and be connected, inlet pipe, discharging pipe and circulating pipe can be dismantled with the cover and be connected.
Through above-mentioned technical scheme, with inlet pipe and circulating pipe follow the cover back of dismantling, dismantle the cover from the jar body, be convenient for clear up the filter residue in the jar body, guarantee the effect of filter-pressing.
The utility model discloses further set up to: the filter element filtering equipment is detachably connected with the discharge pipe.
Through above-mentioned technical scheme, filter core filtration equipment can be dismantled with the discharging pipe and be connected, is convenient for dismantle filter core filtration equipment get off and wash the maintenance.
To sum up, the utility model discloses a beneficial technological effect does:
1. the waste copper etching solution can return to the tank body again through the circulating pipe for filter pressing, and then enters the filter element filtering equipment for filtering, so that multiple filter pressing and filtering are performed, and the filter pressing effect is improved;
2. can follow the sample connection of filter core filtration equipment and take a sample, detect whether useless copper etching liquid has reached the processing standard, decide directly to discharge or carry out filter-pressing once more according to the result again.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
fig. 2 is a sectional view of the present embodiment.
Description of the attached drawings, 1, a tank body; 2. a feed pipe; 3. a discharge pipe; 4. a filter pressing system; 5. a liquid outlet pipe; 6. a circulation pipe; 7. a liquid outlet valve; 8. a circulation valve; 9. a circulation pump; 10. a cartridge filter apparatus; 11. a sampling port; 12. a sampling switch; 13. a three-way pipe; 14. a can lid; 15. a liquid storage tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, for the utility model discloses a pressure filter for waste liquid preliminary treatment, including jar body 1, the top of jar body 1 is connected with inlet pipe 2, and the copper etching liquid of giving up enters into jar body 1 from inlet pipe 2. And a filter pressing system 4 is arranged in the tank body 1, and the filter pressing system 4 carries out filter pressing on the waste copper etching liquid in the tank body 1. The discharging pipe 3 is connected to the bottom of jar body 1, is equipped with filter core filtration equipment 10 on the discharging pipe 3, and the useless copper etching liquid that is filtered by the pressure in jar body 1 enters into filter core filtration equipment 10 through discharging pipe 3 and filters.
Referring to fig. 1 and 2, the end of the discharge pipe 3 is detachably connected with one end of a three-way pipe 13, and the other two ends of the three-way pipe 13 are detachably connected with a liquid outlet pipe 5 and a circulating pipe 6 respectively. A liquid outlet valve 7 is arranged at the joint of the liquid outlet pipe 5 and the three-way pipe 13, and a circulating valve 8 is arranged at the joint of the circulating pipe 6 and the three-way pipe 13. The waste copper etching liquid has stronger corrosivity, and the liquid outlet valve 7 and the circulating valve 8 are arranged to be corrosion-resistant valves so as to prolong the service life of the waste copper etching liquid. And when the waste copper etching solution is subjected to filter pressing and filtering, the liquid outlet valve 7 and the circulating valve 8 are closed. The end of the filter element filtering equipment 10 is provided with a sampling port 11, the sampling port 11 is provided with a sampling switch 12, and the sampling switch 12 is turned on to take out the waste copper etching liquid after filter pressing and filtering, so as to check whether the waste copper etching liquid reaches the treatment standard. If the waste copper etching liquid after filter pressing and filtration reaches the treatment standard, the liquid outlet valve 7 is opened, and the waste copper etching liquid after filter pressing and filtration is discharged through the liquid outlet pipe 5.
Referring to fig. 1 and 2, the circulation pipe 6 is provided with a circulation pump 9, and the circulation pump 9 is provided as a corrosion-resistant pump to improve the life span thereof. The tail end of the circulating valve 8 is connected with a liquid storage tank 15, the liquid storage tank 15 is connected with a circulating pump 9, and the liquid outlet end of the circulating pump 9 is communicated with the top end of the tank body 1 through a circulating pipe 6. If the waste copper etching solution after filter pressing and filtration does not reach the treatment standard, the liquid outlet valve 7 is closed, and the circulating valve 8 is opened, so that the waste copper etching solution flows into the liquid storage tank 15. And after all the waste copper etching liquid flows into the liquid storage tank 15, closing the circulating valve 8, opening the circulating pump 9, and returning the waste copper etching liquid to the tank body 1 again through the circulating pipe 6 for filter pressing, so that the filter pressing and filtering are repeatedly performed, and the filter pressing effect is improved.
Referring to fig. 1 and 2, a tank cover 14 is provided on the tank 1, the tank cover 14 is detachably connected to the tank 1, and the feed pipe 2 and the circulation pipe 6 are detachably connected to the tank cover 14. After the feeding pipe 2 and the circulating pipe 6 are detached from the tank cover 14, the tank cover 14 is detached from the tank body 1, so that filter residues in the tank body 1 can be cleaned conveniently. Filter element filtration equipment 10 can be dismantled with discharging pipe 3 and be connected, is convenient for dismantle filter element filtration equipment 10 get off and wash the maintenance.
The implementation principle of the embodiment is as follows: the waste copper etching liquid enters the filter element filtering equipment 10 for filtering after being subjected to filter pressing through the filter pressing system 4, sampling detection is carried out from a sampling port 11 of the filter element filtering equipment 10, if the waste copper etching liquid reaches the treatment standard, the liquid outlet valve 7 is opened, the waste copper etching liquid is discharged through the liquid outlet pipe 5, and if the waste copper etching liquid does not reach the treatment standard, the liquid outlet valve 7 is closed, the circulating valve 8 is opened, and the waste copper etching liquid flows into the liquid storage tank 15. And after all the waste copper etching liquid flows into the liquid storage tank 15, closing the circulating valve 8, opening the circulating pump 9, returning the waste copper etching liquid into the tank body 1 again through the circulating pipe 6 for filter pressing, and then entering the filter element filtering equipment 10 for filtering, so that multiple filter pressing and filtering are performed, and the filter pressing effect is improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a pressure filter for waste liquid preliminary treatment, includes a jar body (1), the top of jar body (1) is connected with inlet pipe (2), discharging pipe (3) are connected to the bottom of jar body (1), be provided with filter-pressing system (4) in jar body (1), its characterized in that, the end of discharging pipe (3) is connected respectively with drain pipe (5) and circulating pipe (6) simultaneously, be equipped with drain valve (7) on drain pipe (5), be equipped with circulating valve (8) on circulating pipe (6), the end-to-end connection of circulating valve (8) has liquid storage pot (15), liquid storage pot (15) are connected with circulating pump (9), the play liquid end of circulating pump (9) passes through circulating pipe (6) and the top intercommunication of jar body (1).
2. The filter press for the preliminary treatment of waste liquid according to claim 1, wherein one end of the three-way pipe (13) is detachably connected to the end of the discharge pipe (3), and the other two ends of the three-way pipe (13) are detachably connected to the liquid outlet pipe (5) and the circulation pipe (6), respectively.
3. A filter press for the preliminary treatment of waste liquid according to claim 2, characterised in that the outlet pipe (3) is provided with a filter element (10).
4. A filter press for the preliminary treatment of waste liquid according to claim 3, characterized in that the filter element filtering device (10) is provided with a sampling opening (11) at the end, and a sampling switch (12) is arranged at the sampling opening (11).
5. A filter press for the preliminary treatment of waste liquid according to claim 1, characterized in that the outlet valve (7) is arranged at the connection of the outlet pipe (5) and the tee (13), and the circulation valve (8) is arranged at the connection of the circulation pipe (6) and the tee (13).
6. A filter press for the preliminary treatment of waste liquid according to claim 5, characterized in that the outlet valve (7) and the circulation valve (8) are corrosion-resistant valves and the circulation pump (9) is a corrosion-resistant pump.
7. A filter press for the preliminary treatment of waste liquid according to claim 1, characterized in that a tank cover (14) is provided on the tank (1), the tank cover (14) is detachably connected to the tank (1), and the feed pipe (2) and the circulation pipe (6) are detachably connected to the tank cover (14).
8. A filter press for the preliminary treatment of waste liquid according to claim 3, characterised in that the filter element (10) is detachably connected to the outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020886751.9U CN212417217U (en) | 2020-05-23 | 2020-05-23 | Pressure filter for preliminary treatment of waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020886751.9U CN212417217U (en) | 2020-05-23 | 2020-05-23 | Pressure filter for preliminary treatment of waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212417217U true CN212417217U (en) | 2021-01-29 |
Family
ID=74287178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020886751.9U Active CN212417217U (en) | 2020-05-23 | 2020-05-23 | Pressure filter for preliminary treatment of waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212417217U (en) |
-
2020
- 2020-05-23 CN CN202020886751.9U patent/CN212417217U/en active Active
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