CN217555984U

CN217555984U - Cooling water recovery device for steel strip cold rolling

Info

Publication number: CN217555984U
Application number: CN202221408063.7U
Authority: CN
Inventors: 戴泽辉; 卢威; 李石坚
Original assignee: Shandong Hongwang Industrial Co Ltd
Current assignee: Shandong Hongwang Industrial Co Ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-11
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a cooling water recovery unit for steel band cold rolling process, including quick-witted case, back flush filter and cooler, a side wall mounting of machine case has the controller, machine case upper end middle part is fixed with the metering valve, the metering valve bottom is connected with back flush filter, be provided with the water inlet on the back flush filter lateral wall. Has the advantages that: the utility model discloses a back flush filter that sets up, the water inlet, electronic blowoff valve and controller, the adoption can carry out automatic anti-abluent back flush filter and filter the cooling water, and can carry out self-cleaning, prevent that impurity from blockking up, the cleaning is more convenient, thereby the convenience when having improved the device and using, through the retaining storehouse that sets up, the suction pump, the cooler, cooling tube and temperature sensor, can carry out rapid cooling to retrieving the cooling water and handle, and detect the temperature, make it accord with service standard, thereby the cooling quality to the cold rolling processing of steel band has been improved.

Description

Cooling water recovery device for steel strip cold rolling

Technical Field

The utility model relates to a cooling water recovery unit technical field, concretely relates to cooling water recovery unit is used in steel band cold rolling processing.

Background

The cold-rolled steel strip is formed by rolling a hot-rolled coil serving as a raw material at the temperature below the recrystallization temperature, has good performance, namely, the cold-rolled steel strip and the steel plate with thinner thickness and higher precision can be obtained by cold rolling, the flatness and the surface smoothness are high, the surface of the cold-rolled plate is clean and bright, the coating processing is easy to carry out, cooling water is required to be used for cooling after the cold rolling processing of the steel strip, the cooling water can be recycled, and the steel strip is required to be recycled by a recycling device and then put into use.

However, the most mode that adopts multistage filter screen of current cooling water recovery unit for steel band cold rolling processing carries out impurity filtering, need dismantle it when wasing the filter screen, it is very inconvenient to lead to cleaning work, thereby the convenience when having reduced the device use, secondly, current cooling water recovery unit for steel band cold rolling processing can't control the recovery cooling water temperature, the quick used repeatedly of cooling water cycle back, the temperature risees easily, thereby the cooling quality to steel band cold rolling processing has been reduced, consequently, the urgent need for a novel cooling water recovery unit for steel band cold rolling processing solves these problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, a cooling water recovery unit for steel band cold rolling processing is proposed at present, the mode that the cooling water recovery unit for steel band cold rolling processing that has solved current mostly adopts multistage filter screen carries out the impurity filtering, need dismantle it when wasing the filter screen, it is very inconvenient to lead to the cleaning work, thereby the convenience when having reduced the device use, and current cooling water recovery unit for steel band cold rolling processing can't control the recovery cooling water temperature, the quick used repeatedly cycle of cooling water back, the temperature risees easily, thereby the problem to the cooling quality of steel band cold rolling processing has been reduced.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a cooling water recovery unit for steel band cold rolling process, including quick-witted case, back flush filter and cooler, machine case side wall mounting has the controller, machine case upper end middle part is fixed with the metering valve, the metering valve bottom is connected with back flush filter, be provided with the water inlet on the back flush filter lateral wall, the water inlet below is provided with electronic blowoff valve, back flush filter bottom middle part is connected with the solenoid valve, solenoid valve bottom thigh has the retaining chamber, the level gauge is installed to top one side in the retaining chamber, retaining chamber bottom one side fixed mounting has the suction pump, suction pump one end is connected with the cooling tube, the cooling tube periphery is provided with the cooler, cooling tube one end is connected with the suction pump, suction pump one end is connected with the drain valve, install temperature sensor in the drain valve.

Further, the controller is connected with the case through bolts, and the metering valve is connected with the case through bolts.

By adopting the technical scheme, the controller can control the cooperative operation of each device, and the metering valve can measure the water inflow.

Furthermore, the backwashing filter is connected with the case through bolts, and the water inlet is welded with the backwashing filter.

By adopting the technical scheme, the back washing filter can filter impurities in the cooling water, and the water inlet is convenient for the access of washing water.

Furthermore, the electric blow-down valve is connected with the backwashing filter by a flange, and the electromagnetic valve is connected with the backwashing filter by a bolt.

By adopting the technical scheme, the electric blowdown valve can discharge impurities washed out of the backwashing filter, and the electromagnetic valve can control the on-off of the backwashing filter.

Furthermore, the water storage bin is welded with the case, and the liquid level meter is connected with the water storage bin through screws.

By adopting the technical scheme, the water storage bin after filtration treatment can be stored in the water storage bin, and the water level meter can accurately measure the water level of the water storage bin.

Further, the suction pump is connected with the water storage bin through bolts, and the cooling pipe is connected with the suction pump through threads.

Through adopting above-mentioned technical scheme, the suction pump can with the clean cooling water of filtration is taken out in the retaining storehouse, the cooling tube is convenient for the circulation of cooling water and is cooled down again.

Further, the cooler is connected with the case through bolts, the water suction pump is connected with the cooling pipe through bolts, the drain valve is connected with the water suction pump through a flange, and the temperature sensor is connected with the drain valve through bolts.

Through adopting above-mentioned technical scheme, the cooler can with the closing of cooling tube is cooled down, the circulation of cooling water can be accelerated to the suction pump, temperature sensor can detect the cooling water temperature in the drain valve.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that most of the existing cooling water recovery devices for cold rolling of steel strips adopt a multi-stage filter screen mode for impurity filtration, and the filter screen is required to be disassembled when being cleaned, so that the cleaning work is very inconvenient, and the convenience of the device during use is reduced, the utility model adopts the back flush filter which can automatically carry out back washing to filter the cooling water through the back flush filter, the water inlet, the electric blow-down valve and the controller, and can carry out automatic cleaning, so that the impurity blockage is prevented, the cleaning work is more convenient, and the convenience of the device during use is improved;

2. for solving current cooling water recovery unit for steel band cold rolling processing can't control the recovery cooling water temperature, the quick repeated cycle of cooling water uses the back, and the temperature risees easily to reduced the problem to the cooling quality of steel band cold rolling processing, the utility model discloses a retaining storehouse, suction pump, cooler, cooling tube and the temperature sensor who sets up can carry out rapid cooling to the recovery cooling water and handle, and detect the temperature, make it accord with service standard, thereby improved the cooling quality to steel band cold rolling processing.

Drawings

FIG. 1 is a front view of a cooling water recovery apparatus for cold rolling of steel strip according to the present invention;

FIG. 2 is a main sectional view of the cooling water recovery apparatus for cold rolling of steel strip according to the present invention;

fig. 3 is a circuit block diagram of the cooling water recovery device for steel strip cold rolling of the present invention.

The reference numerals are explained below:

1. a chassis; 2. backwashing the filter; 3. a cooler; 4. a metering valve; 5. a controller; 6. a water inlet; 7. an electric blow-down valve; 8. a drain valve; 9. an electromagnetic valve; 10. a water storage bin; 11. a liquid level meter; 12. a suction pump; 13. a water pump; 14. a cooling tube; 15. a temperature sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the cooling water recovery device for steel strip cold rolling in this embodiment includes a case 1, a back-flushing filter 2 and a cooler 3, a controller 5 is installed on a sidewall of the case 1, a metering valve 4 is fixed in the middle of the upper end of the case 1, the bottom end of the metering valve 4 is connected with the back-flushing filter 2, the back-flushing filter 2 can filter impurities and can also perform automatic back-cleaning to discharge internal filtered impurities, a water inlet 6 is formed in a sidewall of the back-flushing filter 2, an electric blow-down valve 7 is arranged below the water inlet 6, an electromagnetic valve 9 is connected in the middle of the bottom end of the back-flushing filter 2, a water storage bin 10 is arranged at the bottom end of the electromagnetic valve 9, a liquid level meter 11 is installed on one side of the top end inside the water storage bin 10, the liquid level meter 11 can measure the water amount inside the water storage bin 10, a suction pump 12 is fixedly installed on one side of the bottom end of the water storage bin 10, a cooling pipe 14 is connected with a cooling pipe 14, the cooler 3 is arranged on the periphery of the cooling pipe 14, one end of the cooling pipe is connected with a suction pump 13, one end of the water pump is connected with a drain valve 8, a temperature sensor 15 is installed inside the drain valve 8, and the temperature sensor 15 can detect the water temperature, and enable the cooler 3 to automatically adjust the water pump 3.

As shown in fig. 1-3, in this embodiment, a controller 5 is bolted to a chassis 1, a metering valve 4 is bolted to the chassis 1, the controller 5 can control the cooperative operation of each device, the metering valve 4 can measure the water inflow, a backwashing filter 2 is bolted to the chassis 1, a water inlet 6 is welded to the backwashing filter 2, the backwashing filter 2 can filter impurities in cooling water, the water inlet 6 facilitates the access of flushing water, an electric blowoff valve 7 is flanged to the backwashing filter 2, a solenoid valve 9 is bolted to the backwashing filter 2, the electric blowoff valve 7 can discharge the impurities washed out of the backwashing filter 2, the solenoid valve 9 can control the on-off of the backwashing filter 2, a water storage bin 10 is welded to the chassis 1, a liquid level meter 11 is screwed to the water storage bin 10, the water storage bin 10 can store the filtered water storage bin 10, the liquid level meter 11 can accurately measure the water level of the water storage bin 10, a suction pump 12 is bolted to the water storage bin 10, a cooling pipe 14 is screwed to the suction pump 12, the suction pump 12 can pump clean the filtered water level of the filtered water storage bin 10, a cooling water pump 14 is screwed to a cooling water discharge valve 13 is connected to a cooling water pump 13, and a cooling water discharge valve 13 is connected to a cooling water temperature sensor connected to a cooling water pump 13.

The specific implementation process of this embodiment is as follows: when the device is used, firstly, the device is powered on, then a cooling water pipeline is connected with a metering valve 4, a drain valve 8 is connected with an external circulating cooling water supply pipe, cooling water to be treated enters a backwashing filter 2 from the metering valve 4, impurities in the cooling water are filtered by the backwashing filter 2, the filtered water flows into a water storage bin 10, then the cooling water filtered in the water storage bin 10 is guided into a cooling pipe 14 by a suction pump 12, the cooling pipe 14 is cooled by a cooler 3, the temperature of the water in the cooling pipe 14 is reduced, a temperature sensor 15 detects the temperature of the cooling water flowing out of the drain valve 8, the normal use of the cooling water is ensured, finally, when the impurities of the backwashing filter 2 need to be cleaned, the metering valve 4 and an electromagnetic valve 9 are closed simultaneously, cleaning water flows into a water inlet 6, the backwashing filter 2 automatically cleans the impurities, and the impurities are discharged from an electric blowdown valve 7, and the normal use of the backwashing filter 2 is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a cooling water recovery unit for steel band cold rolling which characterized in that: including quick-witted case (1), back flush filter (2) and cooler (3), install controller (5) on quick-witted case (1) a side wall, quick-witted case (1) upper end middle part is fixed with metering valve (4), metering valve (4) bottom is connected with back flush filter (2), be provided with water inlet (6) on back flush filter (2) a lateral wall, water inlet (6) below is provided with electronic blowoff valve (7), back flush filter (2) bottom middle part is connected with solenoid valve (9), solenoid valve (9) bottom thigh has water storage storehouse (10), level gauge (11) are installed to top one side in water storage storehouse (10), water storage storehouse (10) bottom one side fixed mounting has suction pump (12), suction pump (12) one end is connected with cooling tube (14), cooling tube (14) periphery is provided with cooler (3), cooling tube (14) one end is connected with suction pump (13), suction pump (13) one end is connected with drain valve (8), install temperature sensor (15) in drain valve (8).

2. The cooling water recovery apparatus for cold rolling of steel strip according to claim 1, wherein: the controller (5) is connected with the case (1) through bolts, and the metering valve (4) is connected with the case (1) through bolts.

3. The cooling water recovery apparatus for cold rolling of steel strip according to claim 1, wherein: the backwashing filter (2) is connected with the case (1) through bolts, and the water inlet (6) is welded with the backwashing filter (2).

4. The cooling water recovery apparatus for cold rolling of steel strip according to claim 1, wherein: the electric blow-down valve (7) is connected with the back flush filter (2) through a flange, and the electromagnetic valve (9) is connected with the back flush filter (2) through a bolt.

5. The cooling water recovery apparatus for cold rolling of steel strip according to claim 1, characterized in that: the water storage bin (10) is welded with the case (1), and the liquid level meter (11) is in screw connection with the water storage bin (10).

6. The cooling water recovery apparatus for cold rolling of steel strip according to claim 1, characterized in that: the suction pump (12) is connected with the water storage bin (10) through bolts, and the cooling pipe (14) is connected with the suction pump (12) through threads.

7. The cooling water recovery apparatus for cold rolling of steel strip according to claim 1, wherein: cooler (3) with quick-witted case (1) bolted connection, suction pump (13) with cooling tube (14) bolted connection, drain valve (8) with suction pump (13) flange joint, temperature sensor (15) with drain valve (8) bolted connection.