CN112723719A - Cooling system of substrate glass kiln - Google Patents
Cooling system of substrate glass kiln Download PDFInfo
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- CN112723719A CN112723719A CN202110019859.7A CN202110019859A CN112723719A CN 112723719 A CN112723719 A CN 112723719A CN 202110019859 A CN202110019859 A CN 202110019859A CN 112723719 A CN112723719 A CN 112723719A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/23—Cooling the molten glass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Organic Chemistry (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present disclosure relates to a substrate glass kiln cooling system, which comprises a working box body and a standby box body which are provided with cooling liquid, a main pipeline, a standby pipeline, a plurality of branch pipelines, a plurality of first valves and a plurality of pump sources which are arranged in one-to-one correspondence with the plurality of branch pipelines, a first one-way valve and a controller; the inlet end of the branch pipeline is communicated with the working box body, the outlet end of the branch pipeline is communicated with the inlet end of the main pipeline, the outlet end of the main pipeline is used for conveying cooling liquid to high-temperature equipment of the substrate glass kiln, and the first valve and the pump source are arranged on the branch pipeline; the inlet end of the standby pipeline is communicated with the standby box body, the outlet end of the standby pipeline is communicated with the inlet end of the main pipeline, and the first valve and the pump source are electrically connected with the controller. The cooling system can effectively cool the high-temperature equipment of the substrate glass kiln, improve the melting quality of glass and improve the safety of the high-temperature equipment of the substrate glass kiln.
Description
Technical Field
The disclosure relates to the technical field of substrate glass, in particular to a cooling system of a substrate glass kiln.
Background
In the production of substrate glass, a kiln is one of the most important devices in the whole production of liquid crystal substrate glass. The main task of the glass melting device is to melt the batch at high temperature to form high-quality glass liquid meeting the requirements of the next procedure, and the quality of the glass liquid directly influences the product quality of the whole production line.
The electrode bricks of the high-temperature heating equipment of the kiln, the water jacket of the screw feeder and the throat pipe of the discharge port of the kiln are required to be cooled, and when power failure or equipment failure occurs, the pressure of cooling water is rapidly reduced or water is cut off, so that the equipment working in a high-temperature environment loses effective protection, and the erosion of the electrode bricks of the high-temperature heating equipment is accelerated; the water jacket of the screw feeder is broken and cannot work continuously because high-temperature steam generated inside the water jacket expands rapidly due to water cut-off; the leakage of glass liquid at weak positions can be caused by water cut at the throat cooling part of the kiln discharge port; the melting of the glass is seriously influenced, and even the safety of high-temperature melting equipment of a kiln is influenced.
Disclosure of Invention
The cooling system can effectively cool high-temperature equipment of the substrate glass kiln, improve the melting quality of glass and improve the safety of the high-temperature equipment of the substrate glass kiln.
In order to achieve the above object, the present disclosure provides a substrate glass kiln cooling system, which is characterized in that the cooling system includes a working tank and a standby tank provided with a cooling liquid, a main pipeline, a standby pipeline, a plurality of branch pipelines, a plurality of first valves and a plurality of pump sources provided in one-to-one correspondence with the branch pipelines, a first check valve, and a controller; the inlet end of the branch pipeline is communicated with the working box body, the outlet end of the branch pipeline is communicated with the inlet end of the main pipeline, the outlet end of the main pipeline is used for conveying the cooling liquid to high-temperature equipment of the substrate glass kiln, and the first valve and the pump source are arranged on the branch pipeline; the entry end of reserve pipeline with reserve box intercommunication, the exit end of reserve pipeline with the entry end intercommunication of main line, first valve with the pump source all with the controller electricity is connected, and satisfies: when the pump source of one or more branch pipelines is in failure, the controller can control the first valve corresponding to the branch pipeline to be closed, and can control the pump source in any other branch pipeline to be started and can control the first valve corresponding to the branch pipeline to be opened; the first one-way valve is arranged on the standby pipeline, the inlet end of the first one-way valve is close to the standby box body, the outlet end of the first one-way valve is close to the main pipeline, and when the pump sources in the branch pipelines all break down and the pressure difference between the inlet end and the outlet end of the first one-way valve is not smaller than a preset pressure value, the first one-way valve is opened to communicate the standby pipeline and the main pipeline.
Optionally, the cooling system further includes a plurality of second check valves disposed in one-to-one correspondence with the plurality of branch lines, in each of the branch lines, the first valve is disposed on an inlet side of the pump source, and the second check valve is disposed on an outlet side of the pump source.
Optionally, the cooling system further includes a plurality of second valves disposed in one-to-one correspondence with the plurality of branch lines, and the controller is electrically connected to the second valves to control opening and closing of the second valves, and in each of the branch lines, the second valves are disposed on outlet sides of the second check valves.
Optionally, the cooling system further comprises a first heat exchanger, a second heat exchanger, a third valve, a fourth valve, a first cooling line, and a second cooling line;
the controller is electrically connected with the third valve and the fourth valve to control the opening or closing of the third valve and the fourth valve, the first heat exchanger is arranged on the first cooling pipeline, the second heat exchanger is arranged on the second cooling pipeline, the third valve is arranged on the first cooling pipeline and positioned at the inlet side of the first heat exchanger, and the fourth valve is arranged on the second cooling pipeline and positioned at the inlet side of the second heat exchanger; the plurality of branch pipes includes a first branch pipe, a second branch pipe, and a third branch pipe; the outlet end of the first branch pipeline is communicated with the inlet end of the first cooling pipeline, and the outlet end of the first cooling pipeline is communicated with the inlet end of the main pipeline; the outlet end of the second branch pipeline and the outlet end of the third branch pipeline are both communicated with the inlet end of the second cooling pipeline, and the outlet end of the second cooling pipeline is communicated with the inlet end of the main pipeline.
Optionally, the cooling system further comprises a first filter, a second filter, a third check valve, and a fourth check valve; the first filter is arranged on the first cooling pipeline and is positioned between the outlet side of the third valve and the inlet side of the first heat exchanger, and the third one-way valve is arranged on the first cooling pipeline and is positioned on the outlet side of the first heat exchanger; the second filter is disposed in the second cooling line between an outlet side of the fourth valve and an inlet side of the second heat exchanger, and the fourth check valve is disposed in the second cooling line on the outlet side of the second heat exchanger.
Optionally, the cooling system further includes a fifth valve and a sixth valve, the fifth valve is disposed on an outlet side of the third check valve, and the sixth valve is disposed on an outlet side of the fourth check valve.
Optionally, the cooling system further includes a pressure regulating pipeline, a pressure regulating valve, and a pressure detecting unit, one end of the pressure regulating pipeline is communicated with the main pipeline, the other end of the pressure regulating pipeline is communicated with the working box, the pressure detecting unit is configured to detect the pressure of the cooling liquid in the main pipeline, the pressure regulating valve is disposed in the pressure regulating pipeline, and the pressure regulating valve and the pressure detecting unit are electrically connected to the controller; the controller is used for controlling the opening of the pressure regulating valve according to the pressure value detected by the pressure detection unit so as to enable the pressure of the cooling liquid in the main pipeline to reach the working pressure.
Optionally, the cooling system further includes a recycling pipeline, one end of the recycling pipeline is used for receiving the cooling liquid used by the high-temperature equipment, and the other end of the recycling pipeline is communicated with the work box body.
Optionally, the cooling system further includes a liquid level detection unit, a liquid inlet pipeline and a liquid supply valve, which are disposed in the working tank, an inlet end of the liquid inlet pipeline is used for communicating with a cooling liquid pool, an outlet end of the liquid inlet pipeline is used for communicating with the working tank, the liquid supply valve is disposed in the liquid inlet pipeline, and the liquid supply valve and the liquid level detection unit are both electrically connected to the controller;
the controller is used for controlling the opening or closing of the liquid supply valve according to the liquid level height of the cooling liquid in the working box, which is detected by the liquid level detection unit, so that the liquid level height of the cooling liquid in the working box reaches a preset liquid level height.
Optionally, the cooling system further comprises a drainage pipeline, an inlet end of the drainage pipeline is communicated with the working box body, an outlet end of the drainage pipeline is communicated with the cooling liquid pool, and the height of the inlet end of the drainage pipeline is not lower than the preset liquid level height.
In the technical scheme, a plurality of branch pipelines communicated with the main pipeline are arranged, and each branch pipeline is provided with the pump source. When the pump source in one or more branch pipelines breaks down, the controller can control the first valve corresponding to the branch pipeline to be closed, and control the pump source in any other branch pipeline to be started and control the first valve corresponding to the branch pipeline to be opened, so that the cooling of high-temperature equipment in the substrate glass kiln is ensured, the normal work and operation of the high-temperature equipment are ensured, the damage of the high-temperature equipment due to the fact that the high-temperature equipment is not cooled in time is avoided, and meanwhile, the quality of glass melting in the glass kiln can be improved. In addition, even if the well pump source of cooling system all breaks down, for example under the condition that cooling system has a power failure, the pressure of coolant in main pipeline and the branch pipeline can reduce rapidly, when the pressure of the exit end of setting up the first check valve on reserve pipeline's entry end subtracts the pressure of first check valve is not less than preset pressure value, this first check valve can open under the effect of pressure differential, thereby can communicate other pipeline and main pipeline, thereby utilize the coolant in the reserve box to cool off high temperature equipment, factor of safety is higher, even the condition that cooling system appears the outage, also can cool off the high temperature equipment of base plate glass kiln.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic view of a substrate glass kiln cooling system according to an embodiment of the present disclosure.
Description of the reference numerals
1 first valve of branch pipeline 11
12 pump source 13 second check valve
14 second valve 15 first branch line
16 second branch line 17 third branch line
2 first cooling line 21 first heat exchanger
211 first refrigerant valve
22 third valve 23 first filter
24 third check valve 25 fifth valve
3 second cooling line 31 second heat exchanger
311 second refrigerant valve
32 fourth valve 33 second filter
34 fourth check valve 35 sixth valve
10 the seventh valve of the main pipe 1002
1003 eighth valve 20 backup line
201 first check valve 202 ninth valve
30 pressure regulating pipeline 301 pressure regulating valve
302 pressure detection unit 40 recovery line
100 work box 101 liquid inlet pipeline
102 liquid supply valve 103 liquid discharge pipeline
104 liquid level detection unit
Glass kiln with 200 spare box and 1000 base plates
1001 high temperature equipment
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, where the contrary is not stated, directional words such as "inner and outer" are used to refer to the inner and outer of the particular structural profile; the use of terms such as "first, second, third, etc. are used merely to distinguish one element from another, and are not necessarily sequential or significant.
As shown in fig. 1, the present disclosure provides a substrate glass kiln cooling system, which includes a working tank 100 and a standby tank 200 provided with a coolant, a main pipeline 10, a standby pipeline 20, a plurality of branch pipelines 1, a plurality of first valves 11 and a plurality of pump sources 12 provided in one-to-one correspondence with the plurality of branch pipelines 1, a first check valve 201, and a controller.
The inlet end of the branch pipeline 1 is communicated with the working box body 100, the outlet end of the branch pipeline 1 is communicated with the inlet end of the main pipeline 10, the outlet end of the main pipeline 10 is used for conveying cooling liquid to high-temperature equipment 1001 of the substrate glass kiln 1000, and the first valve 11 and the pump source 12 are both arranged on the branch pipeline 1; the inlet end of the standby pipeline 20 is communicated with the standby box 200, the outlet end of the standby pipeline 20 is communicated with the inlet end of the main pipeline 10, and the first valve 11 and the pump source 12 are both electrically connected with the controller.
And satisfies the following conditions: when the pump source 12 of one or more branch pipelines 1 fails, the controller can control the first valve 11 corresponding to the branch pipeline 1 to be closed, and can control the pump source 12 in any one of the rest branch pipelines 1 to be started and can control the first valve 11 corresponding to the branch pipeline 1 to be opened.
In the above technical solution, a plurality of branch pipelines 1 communicated with the main pipeline 10 are provided, and each branch pipeline 1 is provided with a pump source 12. When the pump source 12 in one or more branch pipelines 1 fails, the controller can control the first valve 11 corresponding to the branch pipeline 1 to be closed, control the pump source 12 in any other branch pipeline 1 to be started, and control the first valve 11 corresponding to the branch pipeline 1 to be opened, so that the cooling of the high-temperature equipment 1001 in the substrate glass kiln 1000 is ensured, the normal operation and running of the high-temperature equipment 1001 are ensured, the damage of the high-temperature equipment 1001 due to the fact that the high-temperature equipment 1001 is not cooled in time is avoided, and meanwhile, the quality of glass melting in the glass kiln can be improved. In addition, even if the middle pump source 12 of the cooling system fails, for example, when the cooling system fails, the pressure of the cooling liquid in the main pipe 10 and the branch pipe 1 is rapidly reduced, when the pressure of the inlet end of the first check valve 201 arranged on the standby pipe 20 minus the pressure of the outlet end of the first check valve 201 is not less than the preset pressure value, the first check valve 201 is opened under the action of the pressure difference, so that the standby pipe 20 and the main pipe 10 can be communicated, the high-temperature equipment 1001 can be cooled by the cooling liquid in the standby box 200, the safety factor is higher, and even if the cooling system fails, the high-temperature equipment 1001 of the substrate glass kiln 1000 can be cooled.
Alternatively, the high temperature apparatus 1001 described above may be configured as an electrode brick, a screw feeder jacket, a kiln exit throat, etc. within the substrate glass kiln 1000, which is not limited by the present disclosure.
In one embodiment, referring to fig. 1, the cooling system further includes a plurality of second check valves 13 disposed in one-to-one correspondence with the plurality of branch pipes 1, and in each branch pipe 1, the first valve 11 is disposed on an inlet side of the pump source 12, and the second check valve 13 is disposed on an outlet side of the pump source 12.
Firstly, the first valve 11 can control whether the cooling liquid in the work box 100 enters the corresponding branch pipeline 1, so as to ensure that the cooling liquid flows stably according to the control; secondly, the coolant in the main line 10 can be prevented from flowing back into the branch line 1 by providing this second check valve 13.
Referring to fig. 1, the cooling system may further include a plurality of second valves 14 disposed in one-to-one correspondence with the plurality of branch pipes 1, and the controller may be electrically connected to the second valves 14 to control opening and closing of the second valves 14, and in each of the branch pipes 1, the second valves 14 may be disposed at an outlet side of the second check valve 13.
In this embodiment, the second valve 14 is provided to allow the corresponding branch line 1 to be opened or closed, and to allow an operator to control the first valve 11 and the second valve 14 to be closed when the pump source 12 and the second check valve 13 are broken down and maintenance is required, thereby preventing the coolant from flowing through the pump source 12 and the second check valve 13 and maintaining the pump source 12 and the second check valve 13.
Optionally, referring to fig. 1, the cooling system further includes a first heat exchanger 21, a second heat exchanger 31, a third valve 22, a fourth valve 32, a first cooling line 2, and a second cooling line 3. The controller is electrically connected with the third valve 22 and the fourth valve 32 to control the opening or closing of the third valve 22 and the fourth valve 32, the first heat exchanger 21 is arranged on the first cooling pipeline 2, the second heat exchanger 31 is arranged on the second cooling pipeline 3, the third valve 22 is arranged on the first cooling pipeline 2 and is positioned at the inlet side of the first heat exchanger 21, and the fourth valve 32 is arranged on the second cooling pipeline 3 and is positioned at the inlet side of the second heat exchanger 31; the plurality of branch lines 1 include a first branch line 15, a second branch line 16, and a third branch line 17; the outlet end of the first branch pipeline 15 is communicated with the inlet end of the first cooling pipeline 2, and the outlet end of the first cooling pipeline 2 is communicated with the inlet end of the main pipeline 10; the outlet end of the second branch pipeline 16 and the outlet end of the third branch pipeline 17 are both communicated with the inlet end of the second cooling pipeline 3, and the outlet end of the second cooling pipeline 3 is communicated with the inlet end of the main pipeline 10.
In this embodiment, first, by providing a cooling pipeline, an inlet end of the cooling pipeline is communicated with an outlet end of the branch pipeline 1, an outlet end is communicated with an inlet end of the main pipeline 10, and a heat exchanger is provided on the cooling pipeline, so that the cooling liquid can be cooled when flowing through the heat exchanger on the cooling pipeline, so that the temperature of the cooling liquid reaches a standard temperature for cooling the high-temperature device 1001.
Specifically, the refrigerant in the refrigerant source (not shown) is divided into two paths after flowing out, one path flows to the refrigerant inlet end of the first heat exchanger 21, the first refrigerant valve 211 may be disposed in the flow path, the other path flows to the refrigerant inlet end of the second heat exchanger 31, the second refrigerant valve 311 may be disposed in the flow path, and the high-temperature refrigerant flowing out of the refrigerant outlet ends of the first heat exchanger 21 and the second heat exchanger 31 is cooled and then flows back to the refrigerant source for reuse.
In addition, by providing the cooling lines as the first cooling line 2 and the second cooling line 3, and providing the third valve 22 in the first cooling line 2, and the fourth valve 32 in the second cooling line 3, it is possible to cool the coolant using the heat exchanger in one of the cooling lines when the heat exchanger in the other cooling line fails. For example, when the first heat exchanger 21 fails, the controller controls the third valve 22 to be closed and controls the fourth valve 32 to be opened, thereby cooling the coolant by the second heat exchanger 31. Thereby improving the stability of the cooling system, which can operate normally even in the event of a failure of one of the heat exchangers.
The pump source 12 in the first branch line 15 and the third branch line 17 is configured as a water pump, and the pump source 12 in the second branch line 16 may be configured as a diesel pump, although the present disclosure is not limited to the type of the pump source 12.
Illustratively, referring to fig. 1, the cooling system may further include a first filter 23, a second filter 33, a third check valve 24, and a fourth check valve 34; a first filter 23 is provided on the first cooling line 2 between the outlet side of the third valve 22 and the inlet side of the first heat exchanger 21, and a third check valve 24 is provided on the first cooling line 2 on the outlet side of the first heat exchanger 21; a second filter 33 is provided in the second cooling line 3 between the outlet side of the fourth valve 32 and the inlet side of the second heat exchanger 31, and a fourth check valve 34 is provided in the second cooling line 3 on the outlet side of the second heat exchanger 31.
Firstly, the cooling liquid flowing into the heat exchanger can be filtered by arranging the filter, so that the heat exchanger is prevented from being damaged due to the influence of impurities in the cooling liquid entering the heat exchanger, meanwhile, the high-temperature equipment 1001 in the substrate glass kiln 1000 can be prevented from being damaged, and the service lives of the heat exchanger and the high-temperature equipment 1001 are prolonged.
Secondly, the third check valve 24 is arranged on the first cooling pipeline 2, and the fourth check valve 34 is arranged on the second cooling pipeline 3, so that the phenomenon of backflow of the cooling liquid can be effectively avoided, and the flowing directionality and stability of the cooling liquid in the pipelines are improved.
Optionally, the cooling system further comprises a fifth valve 25 and a sixth valve 35, the fifth valve 25 being arranged on the outlet side of the third check valve 24 and the sixth valve 35 being arranged on the outlet side of the fourth check valve 34.
The fifth valve 25 is provided in order to allow for the controller to control the fifth valve 25 and the third valve 22 to be closed when the first filter 23, the first heat exchanger 21 and the third one-way valve 24 are failed, so as to repair the components between the fifth valve 25 and the third valve 22, and facilitate the maintenance operation by the operator, and similarly, the reason for setting the sixth valve 35 is similar to the reason for setting the fifth valve 25, and is not described herein again.
In one embodiment, referring to fig. 1, the cooling system further includes a pressure regulating pipeline 30, a pressure regulating valve 301, and a pressure detecting unit 302, wherein one end of the pressure regulating pipeline 30 is communicated with the main pipeline 10, the other end is communicated with the work box 100, the pressure detecting unit 302 is used for detecting the pressure of the cooling liquid in the main pipeline 10, the pressure regulating valve 301 is disposed on the pressure regulating pipeline 30, and the pressure regulating valve 301 and the pressure detecting unit 302 are electrically connected with the controller; the controller is used for controlling the opening of the pressure regulating valve according to the pressure value detected by the pressure detection unit 302, so that the pressure of the cooling liquid in the main pipeline 10 reaches the working pressure, the cooling liquid flowing to the high-temperature equipment 1001 in the substrate glass kiln 1000 meets the pressure requirement, the cooling of the high-temperature equipment 1001 is further realized, and the high-temperature equipment 1001 is prevented from being damaged due to overlarge pressure.
In another embodiment, the pressure of the coolant flowing through high-temperature device 1001 may be adjusted by manual adjustment. For example, the pressure regulating valve 301 is configured as a manual pressure regulating valve, and the pressure detecting unit 302 is configured as a pressure gauge, and an operator can adjust the manual pressure regulating valve to make a pressure value displayed by the pressure gauge meet a requirement.
In addition, a tenth valve 1004 may be provided at a rear end position of the main line 10 to control whether the cooling liquid flows to the high-pressure device 1001.
Referring to fig. 1, the cooling system may further include a recycling pipeline 40, one end of the recycling pipeline 40 is used for receiving the cooling liquid used by the high-temperature device 1001, and the other end of the recycling pipeline is communicated with the work box 100, so as to improve the recycling rate of the cooling liquid and avoid waste of the cooling liquid.
For example, referring to fig. 1, the cooling system may further include a liquid level detection unit 104 (not shown) disposed in the work tank 100, a liquid inlet pipeline 101, and a liquid supply valve 102, an inlet end of the liquid inlet pipeline 101 is configured to communicate with a cooling liquid pool (not shown), an outlet end of the liquid inlet pipeline 101 is configured to communicate with the work tank 100, the liquid supply valve 102 is disposed in the liquid inlet pipeline 101, and the liquid supply valve 102 and the liquid level detection unit 104 are both electrically connected to the controller; the controller is configured to control the opening or closing of the liquid supply valve 102 according to the liquid level height of the coolant in the work tank 100 detected by the liquid level detection unit 104, so that the liquid level height of the coolant in the work tank 100 reaches a preset liquid level height, and waste caused by too much coolant in the work tank 100 and the requirement for the amount of the coolant of the high-temperature device 1001 due to too little coolant is avoided.
Referring to fig. 1, the cooling system further includes a liquid drainage pipeline 103, an inlet end of the liquid drainage pipeline 103 is communicated with the work box 100, an outlet end of the liquid drainage pipeline 103 is used for being communicated with a coolant pool, and a height of the inlet end of the liquid drainage pipeline 103 is not lower than a preset liquid level height, that is, the inlet end of the liquid drainage pipeline 103 is the highest position of the coolant in the work box 100, so that damage to the work box 100 due to excessive coolant in the work box 100 is avoided.
Optionally, a seventh valve 1002 and an eighth valve 1003 disposed on two sides of the pressure detecting unit 302 may be further included in the main pipeline 10, and the seventh valve 1002 and the eighth valve 1003 may be electrically connected to the controller. When the pressure detection unit 302 needs to be repaired or replaced, the operator may close the seventh valve 1002 and the eighth valve 1003 under the control of the controller, so as to repair or replace the pressure detection unit 302.
In the above-mentioned spare line 20, a ninth valve 202 and an eleventh valve 203 may be disposed at the inlet end and the outlet end of the first check valve 201, and the ninth valve 202 may control whether the cooling liquid in the spare tank 200 flows to the spare line 20 and further to the main line 10; on the other hand, when the first check valve 201 fails and needs to be repaired or replaced, the operator can close the ninth valve 202 and the eleventh valve 203, which is convenient for the operator to repair or replace.
Alternatively, the cooling liquid may be configured as cooling water and the check valve may be configured as a stop check valve, but the present disclosure is not limited to the type of the cooling liquid and the type of the check valve.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The cooling system of the substrate glass kiln is characterized by comprising a working box body (100) and a standby box body (200) which are provided with cooling liquid, a main pipeline (10), a standby pipeline (20), a plurality of branch pipelines (1), a plurality of first valves (11) and a plurality of pump sources (12) which are arranged in one-to-one correspondence with the branch pipelines (1), a first one-way valve (201) and a controller; the inlet end of the branch pipeline (1) is communicated with the working box body (100), the outlet end of the branch pipeline (1) is communicated with the inlet end of the main pipeline (10), the outlet end of the main pipeline (10) is used for conveying the cooling liquid to high-temperature equipment (1001) of the substrate glass kiln (1000), and the first valve (11) and the pump source (12) are both arranged on the branch pipeline (1); the inlet end of the standby pipeline (20) is communicated with the standby box body (200), the outlet end of the standby pipeline (20) is communicated with the inlet end of the main pipeline (10), the first valve (11) and the pump source (12) are both electrically connected with the controller, and the requirements are met:
when the pump source (12) of one or more branch pipelines (1) is in failure, the controller can control the first valve (11) corresponding to the branch pipeline (1) to be closed, can control the pump source (12) in any other branch pipeline (1) to be started and can control the first valve (11) corresponding to the branch pipeline (1) to be opened;
the first one-way valve (201) is arranged on the standby pipeline (20), the inlet end of the first one-way valve (201) is close to the standby box body (200), the outlet end of the first one-way valve (201) is close to the main pipeline (10), and when the pump sources (12) in the branch pipelines (1) all break down and the pressure difference between the inlet end and the outlet end of the first one-way valve (201) is not smaller than a preset pressure value, the first one-way valve (201) is opened to communicate the standby pipeline (20) and the main pipeline (10).
2. The substrate glass kiln cooling system according to claim 1, further comprising a plurality of second check valves (13) provided in one-to-one correspondence with the plurality of branch lines (1), the first valve (11) being provided on an inlet side of the pump source (12) and the second check valves (13) being provided on an outlet side of the pump source (12) in each of the branch lines (1).
3. The substrate glass kiln cooling system according to claim 2, further comprising a plurality of second valves (14) provided in one-to-one correspondence with the plurality of branch pipes (1), the controller being electrically connected to the second valves (14) to control opening and closing of the second valves (14), the second valves (14) being provided on an outlet side of the second check valve (13) in each of the branch pipes (1).
4. The substrate glass kiln cooling system according to any of claims 1-3, characterized in that the cooling system further comprises a first heat exchanger (21), a second heat exchanger (31), a third valve (22), a fourth valve (32), a first cooling line (2), and a second cooling line (3);
the controller is electrically connected with the third valve (22) and the fourth valve (32) to control the opening or closing of the third valve (22) and the fourth valve (32), the first heat exchanger (21) is arranged on the first cooling pipeline (2), the second heat exchanger (31) is arranged on the second cooling pipeline (3), the third valve (22) is arranged on the first cooling pipeline (2) and is positioned at the inlet side of the first heat exchanger (21), and the fourth valve (32) is arranged on the second cooling pipeline (3) and is positioned at the inlet side of the second heat exchanger (31);
the plurality of branch lines (1) comprises a first branch line (15), a second branch line (16) and a third branch line (17); the outlet end of the first branch pipeline (15) is communicated with the inlet end of the first cooling pipeline (2), and the outlet end of the first cooling pipeline (2) is communicated with the inlet end of the main pipeline (10); the outlet end of the second branch pipeline (16) and the outlet end of the third branch pipeline (17) are both communicated with the inlet end of the second cooling pipeline (3), and the outlet end of the second cooling pipeline (3) is communicated with the inlet end of the main pipeline (10).
5. The substrate glass kiln cooling system according to claim 4, further comprising a first filter (23), a second filter (33), a third one-way valve (24), and a fourth one-way valve (34);
-said first filter (23) is arranged in said first cooling circuit (2) between the outlet side of said third valve (22) and the inlet side of said first heat exchanger (21), said third non-return valve (24) being arranged in said first cooling circuit (2) on the outlet side of said first heat exchanger (21);
the second filter (33) is disposed in the second cooling line (3) between an outlet side of the fourth valve (32) and an inlet side of the second heat exchanger (31), and the fourth check valve (34) is disposed in the second cooling line (3) at the outlet side of the second heat exchanger (31).
6. The substrate glass kiln cooling system according to claim 5, further comprising a fifth valve (25) and a sixth valve (35), the fifth valve (25) being disposed on an outlet side of the third one-way valve (24), the sixth valve (35) being disposed on an outlet side of the fourth one-way valve (34).
7. The substrate glass kiln cooling system according to any one of claims 1-3, further comprising a pressure regulating pipeline (30), a pressure regulating valve (301), and a pressure detecting unit (302), wherein one end of the pressure regulating pipeline (30) is communicated with the main pipeline (10), the other end of the pressure regulating pipeline is communicated with the work box body (100), the pressure detecting unit (302) is used for detecting the pressure of the cooling liquid in the main pipeline (10), the pressure regulating valve (301) is arranged on the pressure regulating pipeline (30), and the pressure regulating valve (301) and the pressure detecting unit (302) are electrically connected with the controller;
the controller is used for controlling the opening of the pressure regulating valve according to the pressure value detected by the pressure detection unit (302) so as to enable the pressure of the cooling liquid in the main pipeline (10) to reach working pressure.
8. The substrate glass kiln cooling system according to any one of claims 1-3, further comprising a recycling line (40), wherein one end of the recycling line (40) is used for receiving the cooling liquid after the high temperature equipment (1001) is used, and the other end of the recycling line is communicated with the work box body (100).
9. The substrate glass kiln cooling system according to any one of claims 1-3, further comprising a liquid level detection unit (104), a liquid inlet pipeline (101) and a liquid supply valve (102) arranged in the work box body (100), wherein an inlet end of the liquid inlet pipeline (101) is used for communicating with a cooling liquid pool, an outlet end of the liquid inlet pipeline is used for communicating with the work box body (100), the liquid supply valve (102) is arranged in the liquid inlet pipeline (101), and the liquid supply valve (102) and the liquid level detection unit (104) are both electrically connected with the controller;
the controller is used for controlling the opening or closing of the liquid supply valve (102) according to the liquid level height of the cooling liquid in the working box body (100) detected by the liquid level detection unit (104), so that the liquid level height of the cooling liquid in the working box body (100) reaches a preset liquid level height.
10. The substrate glass kiln cooling system according to claim 9, further comprising a liquid drainage pipeline (103), wherein an inlet end of the liquid drainage pipeline (103) is communicated with the work box body (100), an outlet end of the liquid drainage pipeline (103) is used for being communicated with the cooling liquid pool, and a height of the inlet end of the liquid drainage pipeline (103) is not lower than the preset liquid level height.
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| CN113654299A (en) * | 2021-06-30 | 2021-11-16 | 陕西彩虹工业智能科技有限公司 | Flexible glass cooling water system |
| CN114455806A (en) * | 2022-02-11 | 2022-05-10 | 芜湖东旭光电科技有限公司 | Cooling system |
| CN114988689A (en) * | 2022-06-21 | 2022-09-02 | 巨石集团有限公司 | Cooling system |
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