CN210495453U - Full-automatic circulating water filtration system of scrubbing - Google Patents
Full-automatic circulating water filtration system of scrubbing Download PDFInfo
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- CN210495453U CN210495453U CN201920886758.8U CN201920886758U CN210495453U CN 210495453 U CN210495453 U CN 210495453U CN 201920886758 U CN201920886758 U CN 201920886758U CN 210495453 U CN210495453 U CN 210495453U
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Abstract
The utility model discloses a full-automatic brushing circulating water filtering system, which is characterized in that a brushing return pipeline comprises a first return pipeline and a second return pipeline, and the first return pipeline and the second return pipeline are connected in parallel; a first Y-shaped filter is arranged on the first return pipeline; a liquid level meter is arranged on the circulating water storage tank; a first centrifugal booster pump, a second electric ball valve, a full-automatic backwashing filter and a pressure gauge which are connected in sequence are arranged on the second return pipeline; differential pressure transmitters are arranged on the inlet and the outlet of the automatic backwashing filter; the full-automatic backwashing filter is connected with a sewage discharge pipeline; the first centrifugal booster pump, the second electric ball valve, the full-automatic backwashing filter, the differential pressure transmitter, the liquid level meter, the electric control valve and the pressure meter are electrically connected with the controller. The advantage is simple structure, realizes the filtration of circulating water and the automatic clearance of impurity, and it is high to scrub circulating water filtration efficiency, and the prevention is scrubbed circulation water and is blocked up the nozzle, realizes the continuous operation of equipment, reduces quality defect, improves the brush roll life-span.
Description
Technical Field
The utility model belongs to the metallurgical equipment field especially relates to a full-automatic circulating water filtration system that scrubs for cold rolling annealing line.
Background
The scrubbing equipment is an indispensable important device of the pickling line, and can effectively remove impurities such as oxide scales and the like remained on the surface of the strip steel after the pickling. When the brushing equipment is used, the brushed oxide skin, rubber particles and worn brush fiber enter a brushing circulating water system. When impurities in the brushing circulating water cannot be effectively removed, a few of slightly large scrap irons can adhere to the surface of the brushing wringing roller along the strip steel, so that the strip steel is scratched; the outer spray nozzles of the brush roll are blocked in the recycling process, once the outer spray nozzles are blocked, heat generated by high-speed rotation friction of the brush roll is not cooled in time, the abrasion of bristles is accelerated, and the bristles are further agglomerated into blocks on the surface of strip steel to form brush roll marks in severe cases. In the prior art, a Y-type filter is arranged in a scrubbing circulation water pipe. The defect is that when the filtering precision of the Y-shaped filter is too high, the Y-shaped filter can be completely blocked in a few hours, circulating water overflows from a scrubbing machine, the filter needs to be cleaned manually at regular time, and the work is complicated; the Y-shaped filter has low filtering precision and cannot play a role. Therefore, the prior art adopts a solution for ensuring the water quality of the brushing circulating water, namely the circulating water is frequently replaced and the Y-shaped filter is cleaned, so that the normal operation of the equipment is influenced, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model aims to provide a full-automatic circulating water filtration system of scrubbing, simple structure realizes the filtration of circulating water and the automatic clearance of impurity, and it is high to scrub circulating water filtration efficiency, and the prevention is scrubbed the stifled nozzle of circulating water, realizes the continuous operation of equipment, reduces quality defect, improves brush roll life.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a full-automatic brushing circulating water filtering system comprises a brushing device, a brushing return pipeline and a circulating water storage tank, wherein the brushing device, the brushing return pipeline and the circulating water storage tank are mutually connected to form a loop; the washing and brushing return pipeline is characterized by comprising a first return pipeline and a second return pipeline which are connected in parallel; a first Y-shaped filter is arranged on the first return pipeline; a liquid level meter is arranged on the circulating water storage tank; a first centrifugal booster pump, a second electric ball valve, a full-automatic backwashing filter and a pressure gauge which are connected in sequence are arranged on the second return pipeline, and an outlet of the full-automatic backwashing filter is connected with a circulating water storage tank; the inlet and the outlet of the automatic backwashing filter are connected through a pipeline, and a differential pressure transmitter is arranged on the pipeline; the full-automatic backwashing filter is also connected with a sewage discharge pipeline, and the sewage discharge pipeline is provided with an electric control valve; the first centrifugal booster pump, the second electric ball valve, the full-automatic backwashing filter, the differential pressure transmitter, the liquid level meter, the electric control valve and the pressure gauge are electrically connected with the controller; when the pressure difference between the inlet and the outlet of the automatic backwashing filter reaches a set required value, the controller automatically starts the electric backwashing device at the upper part of the automatic backwashing filter to realize backwashing of the filter element.
Further, set up first electronic ball valve on the first return line, install first manual valve around first electronic ball valve, first electronic ball valve and controller electric connection.
Furthermore, a bypass manual valve is arranged outside the pipeline of the first electric ball valve and the first manual valve.
Furthermore, a first Y-shaped coarse filter is arranged in front of the first centrifugal booster pump, and coarse filtration is carried out before circulating water enters the first centrifugal booster pump, so that the first centrifugal booster pump is prevented from being damaged.
Furthermore, the first centrifugal booster pump is connected with a second Y-type coarse filter and a second centrifugal booster pump in parallel, the second centrifugal booster pump is electrically connected with the controller, a second manual valve and a third manual valve are respectively arranged in front of the first centrifugal booster pump and the second centrifugal booster pump, and the second manual valve and the third manual valve are arranged to facilitate switching between the first centrifugal booster pump and the second centrifugal booster pump so as to realize one-start and one-standby operation.
Furthermore, the filtering precision of the full-automatic backwashing filter is 10 microns, and the design pressure is 0.6 MPa.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model discloses reduce impurity and granule in the circulating water, prevented to scrub the jam of spouting the nozzle outward to the brush roll mark defect's that causes because of the nozzle jam emergence has been solved to the brush roll.
2) The utility model discloses the fish tail that prevention wringing roller adhesion iron fillings that can be fine caused lacks.
3) The utility model discloses can prolong the life of brush roll.
4) The utility model discloses an automatic back flush filtration system, the frequent trouble of removing the clearance Y type of manpower that has significantly reduced.
5) The utility model discloses full-automatic back flush filter's filter fineness is 10 mu m, realizes scrubbing the microfiltration of circulating water, and automatic back flush after filterable impurity reaches the certain degree, with impurity discharge, avoid circulating water because the brush hair that drops and impurity cause to scrub outer spray nozzle and block up.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the full-automatic circulating water scrubbing system of the utility model.
In the figure: 1-circulating water storage tank 2-first return pipeline 3-second return pipeline 4-first Y-type filter 5-liquid level meter 6-first centrifugal booster pump 7-full-automatic backwash filter 8-pipeline 9-sewage discharge pipeline 10-inlet 11-outlet 12-electric backwash device 13-first electric ball valve 14-first manual valve 15-bypass manual valve 16-first Y-type coarse filter 17-second Y-type coarse filter 18-second centrifugal booster pump 19-second manual valve 20-third manual valve 21-differential pressure transmitter 22-electric control valve 23-scrubbing device 24-second electric ball valve 25-pressure gauge.
Detailed Description
The technical solution of the present invention will be described in detail with reference to specific embodiments, so that those skilled in the art can more clearly understand the technical solution of the present invention.
As shown in fig. 1, a full-automatic brushing circulating water filtering system comprises a brushing device 23, a brushing return pipeline and a circulating water storage tank 1, wherein the brushing device 23, the brushing return pipeline and the circulating water storage tank 1 are connected with each other to form a loop; the device is characterized in that the scrubbing return pipeline comprises a first return pipeline 2 and a second return pipeline 3, and the first return pipeline 2 and the second return pipeline 3 are connected in parallel; a first Y-shaped filter 4 is arranged on the first return pipeline 2; a liquid level meter 5 is arranged on the circulating water storage tank 1; a first centrifugal booster pump 6, a second electric ball valve 24, a full-automatic backwashing filter 7 and a pressure gauge 25 which are connected in sequence are arranged on the second return pipeline 3, and an outlet 11 of the full-automatic backwashing filter 7 is connected with the circulating water storage tank 1; the inlet 10 and the outlet 11 of the automatic backwashing filter are connected through a pipeline 8, and a differential pressure transmitter 21 is arranged on the pipeline 8; the full-automatic backwashing filter 7 is also connected with a sewage discharge pipeline 9, and the sewage discharge pipeline 9 is provided with an electric control valve 22; the first centrifugal booster pump 6, the second electric ball valve 24, the full-automatic backwashing filter 7, the differential pressure transmitter 21, the liquid level meter 5, the electric control valve 22 and the pressure gauge 25 are electrically connected with the controller; when the pressure difference between the inlet 10 and the outlet 11 of the automatic backwashing filter reaches a set required value, the controller automatically starts an electric backwashing device 12 at the upper part of the automatic backwashing filter to realize backwashing of the filter element.
The first return pipeline 2 is provided with a first electric ball valve 13, a first manual valve 14 is arranged in front of and behind the first electric ball valve 13, and the first electric ball valve 13 is electrically connected with the controller.
A bypass manual valve 15 is arranged outside the pipeline of the first electric ball valve 13 and the first manual valve 14.
A first Y-shaped coarse filter 16 is arranged in front of the first centrifugal booster pump 6, and coarse filtration is carried out before circulating water enters the first centrifugal booster pump 6, so that the first centrifugal booster pump 6 is prevented from being damaged.
The first centrifugal booster pump 6 is connected with a second Y-shaped coarse filter 17 and a second centrifugal booster pump 18 in parallel, the second centrifugal booster pump 18 is electrically connected with the controller, a second manual valve 19 and a third manual valve 20 are respectively arranged in front of the first centrifugal booster pump 6 and the second centrifugal booster pump 18, and the second manual valve 19 and the third manual valve 20 are arranged to facilitate the switching between the first centrifugal booster pump 18 and the second centrifugal booster pump 18 so as to be capable of being opened and prepared.
The filtering precision of the full-automatic back-washing filter 7 is 10 mu m, and the design pressure is 0.6 Mpa.
The Y-filter is an indispensable filtering device for the pipeline system for conveying the medium, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a level valve or other equipment to remove impurities in the medium so as to protect the normal use of the valve and the equipment. The Y-shaped filter (water filter) has the advantages of simple manufacture, convenient installation and cleaning, large pollutant carrying capacity and the like. The Y-shaped filter is used as an indispensable high-efficiency filtering device in the purifying device engineering, and has great effect in the treatment of domestic wastewater, sewage and industrial sewage; a large amount of domestic and industrial sewage is effectively treated in the application of various industries, so that precious water resources are effectively recycled.
The brushing return pipeline connected with the brushing device 23 is divided into 2 paths, one path of the first return pipeline 2 is provided with a first electric ball valve 13 on the first return pipeline 2, a first manual valve 14 and a bypass manual valve 15 are arranged at the front and the back of a first electric ball valve 13, a full-automatic back-flushing filter 7 is arranged on the other path of a second return pipeline 3, a first centrifugal booster pump 6 and a second centrifugal booster pump 18 which are connected in parallel are connected to a centrifugal booster pump, so that the booster pumps are used and prepared, second manual valves 19 and third manual valves 20 are installed at the inlets and outlets of the first centrifugal booster pump 6, the second centrifugal booster pump 18 to facilitate switching between the backup pumps, a second electric ball valve 24 is installed on a line where the first centrifugal booster pump 6, the second centrifugal booster pump 18 are merged later, then the sewage enters a full-automatic backwashing filter 7, and a pipeline behind the full-automatic backwashing filter 7 is connected with a circulating water storage tank 1; the inlet 10 and the outlet 11 of the automatic backwashing filter 7 are connected with a pipeline 8, a differential pressure transmitter 21 is arranged on the pipeline, and when the differential pressure between the inlet 10 and the outlet 11 reaches a set required value, the controller starts an electric backwashing device 12 at the upper part of the automatic backwashing filter 7 to realize backwashing on the filter element.
Before the full-automatic scrubbing circulating water system is used, the first electric ball valve 13 and the bypass manual valve 15 on the first return pipeline 2 are closed, otherwise, the circulating water directly flows back to the circulating water storage tank 1, and the second return pipeline 2 cannot filter. When the automatic backwashing water storage tank works, the scrubbing circulating water enters the first centrifugal booster pump 6 through the second return pipeline 3 of the scrubbing return pipeline through the first Y-shaped coarse filter 16, is pressurized through the first centrifugal booster pump 6, enters the full-automatic backwashing filter 7 through the second electric ball valve 24, and returns the filtered circulating water to the circulating water storage tank 1. The filtering precision of the full-automatic backwashing filter 7 is 10 mu m, the design pressure is 0.6Mpa, when the full-automatic backwashing filter 7 is used for a period of time, the more impurities are accumulated, and after the differential pressure of a differential pressure transmitter 21 on a pipeline 8 connecting an inlet 10 and an outlet 11 of the full-automatic backwashing filter 7 reaches a set value, an electric backwashing device 12 at the upper part is started to flush the surface of a filter element, and then an electric control valve 22 on a sewage discharge pipeline 9 is started to discharge the impurities from a sewage discharge outlet. After the filter element is cleaned, the back-flushing program stops the electric control valve 22 and closes, and the normal filtering program is restarted.
When the feedback value of a liquid level meter 5 in the circulating water storage tank 1 reaches a set upper limit, the flow of the pump is reduced by a variable frequency motor of a first centrifugal booster pump 6 to control the liquid level of the circulating water storage tank 1, so that circulating water cannot overflow from the circulating tank; when the feedback value of the liquid level meter 5 in the circulating water storage tank 1 is reduced to reach the lower limit, the flow of the first centrifugal booster pump 6 is recovered to the normal output flow, so that the liquid level is stable, and the situation of liquid level evacuation of the circulating tank cannot occur.
When the full-automatic backwashing filter 7 breaks down and the pressure gauge 25 detects that the outlet pressure is smaller than a set value, the controller closes the second electric ball valve 24 to close the second return pipeline 3, opens the first electric ball valve 13 on the first return pipeline 2, and uses the first Y-shaped filter 4 for filtering, so as to ensure the continuous operation of the scrubbing system. When the fault is cleared, the second return line 3 can be switched again.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art on the basis of the main technical idea of the present invention belong to the technical scope to be protected by the present invention, and the specific protection scope of the present invention is subject to the description of the claims.
Claims (6)
1. A full-automatic brushing circulating water filtering system comprises a brushing device, a brushing return pipeline and a circulating water storage tank, wherein the brushing device, the brushing return pipeline and the circulating water storage tank are mutually connected to form a loop; the method is characterized in that: the brushing return pipeline comprises a first return pipeline and a second return pipeline which are connected in parallel; a first Y-shaped filter is arranged on the first return pipeline; a liquid level meter is arranged on the circulating water storage tank; a first centrifugal booster pump, a second electric ball valve, a full-automatic backwashing filter and a pressure gauge which are connected in sequence are arranged on the second return pipeline, and an outlet of the full-automatic backwashing filter is connected with a circulating water storage tank; the inlet and the outlet of the automatic backwashing filter are connected through a pipeline, and a differential pressure transmitter is arranged on the pipeline; the full-automatic backwashing filter is also connected with a sewage discharge pipeline, and the sewage discharge pipeline is provided with an electric control valve; the first centrifugal booster pump, the second electric ball valve, the full-automatic backwashing filter, the differential pressure transmitter, the liquid level meter, the electric control valve and the pressure gauge are electrically connected with the controller; when the pressure difference between the inlet and the outlet of the automatic backwashing filter reaches a set required value, the controller automatically starts the electric backwashing device at the upper part of the automatic backwashing filter to realize backwashing of the filter element.
2. The full-automatic brushing circulating water filtering system according to claim 1, characterized in that: the first return pipeline is provided with a first electric ball valve, first manual valves are installed in the front and the back of the first electric ball valve, and the first electric ball valve is electrically connected with the controller.
3. The full-automatic brushing circulating water filtering system according to claim 2, characterized in that: and bypass manual valves are arranged outside pipelines of the first electric ball valve and the first manual valve.
4. The full-automatic brushing circulating water filtering system according to claim 1, characterized in that: a first Y-shaped coarse filter is arranged in front of the first centrifugal booster pump, and coarse filtration is carried out before circulating water enters the first centrifugal booster pump.
5. The full-automatic brushing circulating water filtering system according to claim 1 or 4, characterized in that: the first centrifugal booster pump is connected with a second Y-shaped coarse filter and a second centrifugal booster pump in parallel, the second centrifugal booster pump is electrically connected with the controller, and a second manual valve and a third manual valve are respectively arranged in front of the first centrifugal booster pump and the second centrifugal booster pump.
6. The full-automatic brushing circulating water filtering system according to claim 1, characterized in that: the filtering precision of the full-automatic backwashing filter is 10 mu m, and the design pressure is 0.6 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920886758.8U CN210495453U (en) | 2019-06-13 | 2019-06-13 | Full-automatic circulating water filtration system of scrubbing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920886758.8U CN210495453U (en) | 2019-06-13 | 2019-06-13 | Full-automatic circulating water filtration system of scrubbing |
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| CN210495453U true CN210495453U (en) | 2020-05-12 |
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| CN201920886758.8U Active CN210495453U (en) | 2019-06-13 | 2019-06-13 | Full-automatic circulating water filtration system of scrubbing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992548A (en) * | 2020-08-21 | 2020-11-27 | 常州大学 | Device and method for automatically cleaning water circulation pipeline polymer |
| CN115263821A (en) * | 2022-06-24 | 2022-11-01 | 湘潭大学 | Centrifugal pump pipeline system with suction inlet filter screen backwashing function and using method |
-
2019
- 2019-06-13 CN CN201920886758.8U patent/CN210495453U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992548A (en) * | 2020-08-21 | 2020-11-27 | 常州大学 | Device and method for automatically cleaning water circulation pipeline polymer |
| CN111992548B (en) * | 2020-08-21 | 2022-07-26 | 常州大学 | Device and method for automatically cleaning water circulation pipeline polymer |
| CN115263821A (en) * | 2022-06-24 | 2022-11-01 | 湘潭大学 | Centrifugal pump pipeline system with suction inlet filter screen backwashing function and using method |
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