CN210751667U - Diatomite filter constant-pressure switching control system - Google Patents
Diatomite filter constant-pressure switching control system Download PDFInfo
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- CN210751667U CN210751667U CN201921599317.6U CN201921599317U CN210751667U CN 210751667 U CN210751667 U CN 210751667U CN 201921599317 U CN201921599317 U CN 201921599317U CN 210751667 U CN210751667 U CN 210751667U
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Abstract
The utility model discloses a diatomaceous earth filter constant voltage switching control system contains electrolyte tank, diatomaceous earth filter pump, diatomaceous earth filter, diatomaceous earth precoat jar and diatomaceous earth string stuff pump, and electrolyte tank, diatomaceous earth filter pump, diatomaceous earth filter and diatomaceous earth are precoated and are connected gradually through the pipeline all the way and form first loop between the jar, and diatomaceous earth precoats jar, diatomaceous earth string stuff pump, diatomaceous earth filter and constitutes second circulation circuit through another pipeline interconnect. The utility model discloses when hanging native mode switches to the mode of putting into production, diatomaceous earth filter internal pressure is invariable, can not cause the diatomaceous earth to drop, has solved the not enough of prior art.
Description
Technical Field
The utility model relates to a control system, especially a diatomaceous earth filter constant voltage switching control system.
Background
The copper foil electrolyte preparation process needs to be subjected to multiple times of filtration, wherein diatomite filtration is the most important process. The diatomite filter is based on the principle that electrolyte is pumped into the filter from a waste liquid groove through a centrifugal pump, and the integrity of a filter cake on a filter element is maintained by utilizing the pressure difference between a liquid inlet and a liquid outlet. When the diatomite is hung on the soil, a precoating tank, namely the diatomite filter, needs to be circularly switched to a sewage tank, namely the diatomite filter, for circulation, and currently, the frequency conversion technology is mostly adopted to adjust the pumping pressures of a diatomite precoating pump and a diatomite filter pump in a linkage manner, so that the liquid inlet pressure of the diatomite filter is kept not lower than the minimum limit.
In the scheme in the prior art, in order to keep the pressure in the kieselguhr filter stable, the frequency of the kieselguhr precoating pump is reduced during switching, the working frequency of the kieselguhr filter pump is increased, the setting of an ascending curve and a descending curve mainly depends on empirical values, and when the operating conditions change, sudden pressure drop is easily caused, so that the kieselguhr hung on the filter element falls off.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a diatomaceous earth filter constant voltage switching control system is provided, the diatomaceous earth problem of droing of prior art is solved.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a diatomaceous earth filter constant voltage switching control system which characterized in that: the device comprises an electrolyte tank, a kieselguhr filter pump, a kieselguhr filter, a kieselguhr pre-coating tank and a kieselguhr slurry hanging pump, wherein the electrolyte tank, the kieselguhr filter pump, the kieselguhr filter and the kieselguhr pre-coating tank are sequentially connected through a pipeline to form a first loop, and the kieselguhr pre-coating tank, the kieselguhr slurry hanging pump and the kieselguhr filter are connected through another pipeline to form a second circulation loop.
Further, first return circuit contains electrolyte tank, diatomaceous earth filter pump, first valve, diatomaceous earth filter, second valve and diatomaceous earth precoating jar, and the export of electrolyte tank passes through the pipeline and is connected with the one end of diatomaceous earth filter pump, and the other end of diatomaceous earth filter pump passes through the pipeline and is connected with the one end of first valve, and the other end of first valve passes through the import of pipe connection diatomaceous earth filter lower extreme, and diatomaceous earth filter upper end export is passed through the pipeline and is connected with second valve one end, and the diatomaceous earth precoating jar import is connected to the second valve other end.
Further, the second circulation circuit contains the diatomaceous earth jar of precoating, diatomaceous earth hangs the thick liquid pump, the fourth valve, a plurality of fifth valve and sixth valve, the lower extreme discharge gate that diatomaceous earth precoated the jar passes through the pipeline and is connected with diatomaceous earth string thick liquid pump one end, the diatomaceous earth hangs the thick liquid pump other end and passes through the pipeline to be connected with the one end of fourth valve, the other end of fourth valve passes through pipeline and diatomaceous earth filter lower extreme access connection, diatomaceous earth filter side is provided with a plurality of filtrating export, a plurality of filtrating export is connected with a plurality of fifth valve one end respectively, the other end of a plurality of fifth valve all is connected with sixth valve one end, the sixth valve other end passes through the pipe connection diatomaceous earth jar import of precoating.
Furthermore, the other end of the diatomite slurry hanging pump is connected with one end of a third valve, the other end of the third valve is connected with an inlet of the diatomite precoating tank through a pipeline, and the diatomite precoating tank, the diatomite slurry hanging pump and the third valve form an internal circulation.
Further, a stirrer is arranged in the diatomite precoating tank.
Further, the number of the fifth valves is 5.
Furthermore, the other end of the diatomite filter pump is connected with one end of a seventh valve through a pipeline, and the other end of the seventh valve is connected with an inlet of the electrolyte tank through a pipeline.
Compared with the prior art, the utility model, have following advantage and effect:
1. the utility model has simple structure and convenient operation, and does not need to consider the problem of calculating the ascending and descending of the working frequency of the diatomite filter pump;
2. when the soil hanging mode of the utility model is switched to the production mode, the pressure in the diatomite filter is constant, so that the diatomite can not fall off, and the defects of the prior art are overcome;
3. the utility model discloses control process can all rely on electrical equipment to realize, need not artificial intervention, has realized the full automatization, effectively reduces the cost of labor.
Drawings
Fig. 1 is a schematic diagram of a constant pressure switching control system for a diatomite filter according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.
As shown in fig. 1, the utility model discloses a diatomaceous earth filter constant voltage switching control system contains electrolyte tank 11, diatomaceous earth filter pump 1, diatomaceous earth filter 12, diatomaceous earth precoats jar 4 and diatomaceous earth hanging pump 5, electrolyte tank 11, diatomaceous earth filter pump 1, diatomaceous earth filter 12 and diatomaceous earth precoats and connect gradually the formation primary loop through pipeline all the way between jar 4, diatomaceous earth precoats jar 4, diatomaceous earth hanging pump 5, diatomaceous earth filter 12 constitutes second circulation circuit through another pipeline interconnect.
First return circuit contains electrolyte tank 11, diatomaceous earth filter pump 1, first valve 2, diatomaceous earth filter 12, jar 4 is precoated to second valve 3 and diatomaceous earth, electrolyte tank 11's export is passed through the pipeline and is connected with diatomaceous earth filter pump 1's one end, diatomaceous earth filter pump 1's the other end passes through the pipeline and is connected with the one end of first valve 2, the other end of first valve 2 passes through the import of 12 lower extremes of pipe connection diatomaceous earth filter, diatomaceous earth filter 12 upper end export is passed through the pipeline and is connected with 3 one end of second valve, jar 4 imports are precoated to the diatomaceous earth is connected to the 3 other ends of second valve.
The second circulation circuit contains diatomaceous earth jar 4 of precoating, diatomaceous earth hanging pump 5, fourth valve 7, a plurality of fifth valve 8 and sixth valve 9 of precoating, diatomaceous earth precoating jar 4's lower extreme discharge gate passes through the pipeline and is connected with diatomaceous earth hanging pump 5 one end, diatomaceous earth hanging pump 5 other end passes through the pipeline and is connected with fourth valve 7's one end, fourth valve 7's the other end passes through pipeline and diatomaceous earth filter 12 lower extreme access connection, diatomaceous earth filter 12 side is provided with a plurality of filtrating export, a plurality of filtrating export is connected with a plurality of fifth valve 8 one end respectively, a plurality of fifth valve 8's the other end all is connected with sixth valve 9 one end, sixth valve 9 other end passes through the pipe connection diatomaceous earth jar 4 imports of precoating. Wherein the number of the fifth valves 8 is 5.
The other end of the diatomite slurry hanging pump 5 is also connected with one end of a third valve 6, the other end of the third valve 6 is connected with an inlet of the diatomite precoating tank 4 through a pipeline, and the diatomite precoating tank 4, the diatomite slurry hanging pump 5 and the third valve 6 form an internal circulation. A stirrer is arranged in the diatomite precoating tank 4.
The other end of the diatomite filter pump 1 is connected with one end of a seventh valve 10 through a pipeline, and the other end of the seventh valve 10 is connected with an inlet of an electrolyte tank 11 through a pipeline.
The utility model discloses a diatomaceous earth filter constant voltage switching control system's control method contains following step:
the method comprises the following steps: the method comprises the following steps that a kieselguhr filter pump 1 is started, a first valve 2 and a second valve 3 are opened to inject electrolyte into a kieselguhr precoating tank 4, when the electrolyte reaches a set liquid level height, the first valve 2 and the second valve 3 are closed, and the kieselguhr filter pump 1 is stopped; the diatomite slurry pump 5 is started, and the internal circulating valve 6 is opened to form internal circulation.
Step two: a predetermined amount of diatomaceous earth was poured into the diatomaceous earth precoating tank 4, and the stirrer above the diatomaceous earth precoating tank 4 was started to stir.
Step three: after the diatomite is uniformly mixed, the third valve 6 is closed, the fourth valve 7 is opened, the fifth valves 8 are opened, the sixth valve 9 is opened, the diatomite slurry pump 5 pumps electrolyte containing diatomite suspended matters into the diatomite filter 12, and the diatomite is continuously adsorbed on the surface of the cloth bag type filter element by utilizing the pressure difference between the inlet liquid and the outlet liquid until the diatomite in the diatomite precoating tank 4 is completely suspended, so that a second circulation loop is formed.
Step four: after the diatomite is hung, the switching process is carried out, the diatomite filter pump 1 is started and the first valve 2 and the seventh valve 10 are opened in the first step, meanwhile, the second circulation loop is normally operated, and the plurality of fifth valves 8 and the plurality of sixth valves 9 are kept in an open state; and in the second step, the fourth valve 7 is closed, the third valve 6 is opened, the seventh valve 10 is closed, the first valve 2 is opened, the switching time is within 1 second in the process, and the pressure in the diatomite filter is kept unchanged.
Step five: and (5) closing the diatomite slurry pump, closing the third valve 6, and entering a production mode.
The utility model has simple structure and convenient operation, and does not need to consider the problem of calculating the ascending and descending of the working frequency of the diatomite filter pump; when the soil hanging mode of the utility model is switched to the production mode, the pressure in the diatomite filter is constant, so that the diatomite can not fall off, and the defects of the prior art are overcome; the utility model discloses control process can all rely on electrical equipment to realize, need not artificial intervention, has realized the full automatization, effectively reduces the cost of labor.
The above description in this specification is merely illustrative of the present invention. Those skilled in the art can make various modifications or additions to the described embodiments or substitute them in a similar manner without departing from the scope of the present invention as defined in the following claims.
Claims (7)
1. The utility model provides a diatomaceous earth filter constant voltage switching control system which characterized in that: the device comprises an electrolyte tank, a kieselguhr filter pump, a kieselguhr filter, a kieselguhr pre-coating tank and a kieselguhr slurry hanging pump, wherein the electrolyte tank, the kieselguhr filter pump, the kieselguhr filter and the kieselguhr pre-coating tank are sequentially connected through a pipeline to form a first loop, and the kieselguhr pre-coating tank, the kieselguhr slurry hanging pump and the kieselguhr filter are connected through another pipeline to form a second circulation loop.
2. The constant pressure switching control system of the diatomite filter as recited in claim 1, wherein: the first loop contains electrolyte tank, diatomaceous earth filter pump, first valve, diatomaceous earth filter, second valve and diatomaceous earth precoating jar, and the export of electrolyte tank passes through the pipeline and is connected with the one end of diatomaceous earth filter pump, and the other end of diatomaceous earth filter pump passes through the pipeline and is connected with the one end of first valve, and the other end of first valve passes through the import of pipe connection diatomaceous earth filter lower extreme, and diatomaceous earth filter upper end export is passed through the pipeline and is connected with second valve one end, and diatomaceous earth precoating jar import is connected to the second valve other end.
3. The constant pressure switching control system of the diatomite filter as recited in claim 2, wherein: the second circulation circuit contains the diatomaceous earth jar of precoating, diatomaceous earth slurry hanging pump, the fourth valve, a plurality of fifth valve and sixth valve, the lower extreme discharge gate of diatomaceous earth jar of precoating passes through the pipeline and is connected with diatomaceous earth slurry hanging pump one end, the diatomaceous earth slurry hanging pump other end passes through the pipeline and is connected with the one end of fourth valve, the other end of fourth valve passes through pipeline and diatomaceous earth filter lower extreme access connection, diatomaceous earth filter side is provided with a plurality of filtrating export, a plurality of filtrating export is connected with a plurality of fifth valve one end respectively, the other end of a plurality of fifth valve all is connected with sixth valve one end, the sixth valve other end passes through the pipe connection diatomaceous earth jar of precoating import.
4. The constant pressure switching control system of the diatomite filter as recited in claim 3, wherein: the other end of the diatomite slurry hanging pump is also connected with one end of a third valve, the other end of the third valve is connected with an inlet of the diatomite precoating tank through a pipeline, and the diatomite precoating tank, the diatomite slurry hanging pump and the third valve form an internal circulation.
5. The constant pressure switching control system of the diatomite filter as recited in claim 1, wherein: and a stirrer is arranged in the diatomite precoating tank.
6. The constant pressure switching control system of the diatomite filter as recited in claim 3, wherein: the number of the fifth valves is 5.
7. The constant pressure switching control system of the diatomite filter as recited in claim 2, wherein: the other end of the diatomite filter pump is connected with one end of a seventh valve through a pipeline, and the other end of the seventh valve is connected with an inlet of an electrolyte tank through a pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599317.6U CN210751667U (en) | 2019-09-25 | 2019-09-25 | Diatomite filter constant-pressure switching control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921599317.6U CN210751667U (en) | 2019-09-25 | 2019-09-25 | Diatomite filter constant-pressure switching control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508054A (en) * | 2019-09-25 | 2019-11-29 | 江东电子材料有限公司 | A kind of diatomaceous earth filter constant pressure handover control system |
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- 2019-09-25 CN CN201921599317.6U patent/CN210751667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508054A (en) * | 2019-09-25 | 2019-11-29 | 江东电子材料有限公司 | A kind of diatomaceous earth filter constant pressure handover control system |
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