CN112144069A - Spray coating device and temperature adjusting method for spray coating device - Google Patents
Spray coating device and temperature adjusting method for spray coating device Download PDFInfo
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- CN112144069A CN112144069A CN202011022311.XA CN202011022311A CN112144069A CN 112144069 A CN112144069 A CN 112144069A CN 202011022311 A CN202011022311 A CN 202011022311A CN 112144069 A CN112144069 A CN 112144069A
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- 238000005507 spraying Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 203
- 239000007921 spray Substances 0.000 claims abstract description 75
- 230000001105 regulatory effect Effects 0.000 claims description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- 239000006185 dispersion Substances 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 11
- 230000003750 conditioning effect Effects 0.000 claims description 7
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- -1 and specifically Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The invention discloses a spraying device and a temperature adjusting method thereof, wherein the spraying device comprises a temperature control device, and a slurry pool, a slurry conveying pipe and a spray head which are sequentially arranged along the flowing direction of slurry, and the temperature control device is used for adjusting the temperature of the slurry of the spraying device. When the spraying device works, the slurry sequentially passes through the slurry pool, the slurry conveying pipe and the spray head and is finally sprayed out by the spray head, and when the temperature of the slurry is higher, the temperature control device cools the slurry. And when the temperature of the slurry is lower, the temperature control device heats the slurry. In the spraying device provided by the application, the temperature of the slurry is adjusted through the temperature control device, so that the temperature of the slurry tends to a preset value, and the spraying quality of the spraying device is further improved.
Description
Technical Field
The invention relates to the technical field of slurry spraying equipment, in particular to a spraying device. The invention also relates to a temperature control method of the spraying device.
Background
When the slurry is sprayed, for example, in a photovoltaic hydrogen production device, the slurry in a slurry tank placed in a dispersion tank is conveyed to a slurry conveying pipe through an injection pump by a spraying device, and finally the slurry is sprayed out through a spray head at the output end of the slurry conveying pipe.
In order to prevent the slurry from precipitating, the slurry is usually applied to a spraying device by means of ultrasound or stirring, however, when the slurry is prevented from precipitating, the temperature of the slurry rises, and the temperature of the slurry exceeds a preset value along with the stirring force and the ultrasonic control, and the temperature of the slurry is lower in some cold areas, so that the temperature difference between the slurry sprayed by a spray head and the preset value is larger, and the spraying quality of the spraying device is poorer.
Therefore, how to improve the spraying quality of the spraying device is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a spraying device, which improves the spraying quality. Another object of the present invention is to provide a method for controlling the temperature of a spray coating device.
In order to achieve the above object, the present invention provides a spray coating device, comprising a temperature control device for adjusting the temperature of slurry of the spray coating device, and a slurry tank, a slurry delivery pipe and a spray head which are sequentially arranged along the flow direction of the slurry.
Preferably, the temperature control device comprises a temperature adjusting device;
the temperature adjusting device comprises:
a first temperature regulating assembly for cooling the slurry;
and/or a second temperature conditioning assembly for heating the slurry.
Preferably, the temperature control device further comprises a first conveying pipe which is sleeved outside the slurry conveying pipe and used for containing media for heating and/or cooling the slurry in the slurry conveying pipe, and the first conveying pipe is connected with the temperature adjusting device.
Preferably, the temperature control apparatus further comprises:
a first temperature sensor for measuring a temperature of the slurry at the spray head;
a first intermediate water conveying pipeline connecting the temperature adjusting device and the first conveying pipe;
and the first regulating valve is arranged on the feeding pipeline of the first intermediate water conveying pipeline.
Preferably, the temperature control device further comprises a first temperature controller for adjusting the opening degree of the first regulating valve, and the first temperature controller is in signal connection with the first temperature sensor.
Preferably, the device also comprises a syringe pump for connecting the slurry pool and the slurry conveying pipe;
the temperature control device further includes:
the second conveying pipe is sleeved on the outer side of the injection pump and used for accommodating a medium for heating and/or cooling the slurry in the injection pump, and the second conveying pipe is connected with the temperature regulating device;
a second temperature sensor for measuring the temperature of the slurry at the outlet of the injection pump;
a second intermediate water conveying pipeline connecting the temperature adjusting device and the second conveying pipe;
and the second regulating valve is arranged on the feeding pipeline of the second intermediate water conveying pipeline.
Preferably, the temperature control device further comprises a second temperature controller for adjusting the opening degree of the second regulating valve, and the second temperature controller is in signal connection with the second temperature sensor.
Preferably, the slurry tank is installed in the dispersion tank, and the temperature control device further includes:
the temperature adjusting tank is arranged in the dispersion tank and used for containing a medium for heating and/or cooling the slurry in the dispersion tank;
the third temperature sensor is used for measuring the temperature of the slurry at the slurry outlet end of the dispersion tank;
the third intermediate water conveying pipeline is connected with the temperature regulating tank and is connected with the temperature regulating device;
and the third regulating valve is arranged on the feeding pipeline of the third intermediate water conveying pipeline.
Preferably, the temperature control device further comprises a third temperature controller for adjusting the opening degree of the third regulating valve, and the third temperature controller is in signal connection with the third temperature sensor.
Preferably, the first temperature regulating assembly is used for outputting a cooling medium, and the second temperature regulating assembly is an electric heating element or is used for outputting a heating medium.
Preferably, the temperature adjusting device outputs a cooling medium and is a water cooler.
Preferably, the spray head is an ultrasonic spray head.
Preferably, the syringe pump is an ultrasonic syringe pump.
Preferably, the control module of the temperature control device is integrated on the spray control module of the spray device.
Preferably, the slurry tank is installed in a dispersion tank, and the dispersion tank is an ultrasonic dispersion tank.
Preferably, the slurry conveying pipe and the spray head are one or more;
when the slurry conveying pipes and the spray heads are multiple, the slurry conveying pipes correspond to the spray heads one by one.
Preferably, the number of the spray heads is at least two, and all the spray heads are arranged at the slurry outlet end of the slurry conveying pipe through intermediate connecting pipes.
A temperature adjusting method of a spraying device comprises a temperature control device, and a slurry pool, an injection pump, a slurry conveying pipe and a spray head which are sequentially arranged along the flowing direction of slurry, wherein the temperature control device is used for adjusting the slurry outlet temperature of the spray head, and comprises the following steps:
when the temperature control device receives that the slurry temperature of the spraying device is lower than a first preset value, the temperature control device conveys a heat medium to the slurry pool and/or an injection pump and/or a slurry conveying pipe for increasing the slurry temperature;
when the temperature control device receives that the slurry temperature of the spraying device is higher than a second preset value, the temperature control device conveys a cold medium to the slurry pool and/or the injection pump and/or the slurry conveying pipe for reducing the slurry temperature;
the second preset value is higher than the first preset value.
Preferably, the temperature control means comprises a temperature conditioning means for heating and cooling the slurry, comprising the steps of:
the control module of the temperature control device obtains a first temperature value through a first temperature sensor for measuring the temperature of the slurry at the spray head, and controls the opening of a first regulating valve connected to the temperature adjusting device and the feeding pipeline of the first middle water conveying pipeline of the first conveying pipe.
Preferably, the temperature control device comprises a temperature regulating device comprising the steps of:
and the control module of the temperature control device obtains a second temperature value through a first temperature sensor for measuring the temperature of the slurry at the outlet of the injection pump, and controls the opening degree of a second regulating valve connected to the temperature regulating device and the feeding pipeline of a second intermediate water conveying pipeline of the second conveying pipe.
Preferably, the slurry tank is installed in the dispersion tank, and further comprises a temperature adjusting tank for placing the dispersion tank, and the temperature control device comprises a temperature adjusting device, and comprises the following steps:
and the control module of the temperature control device obtains a third temperature value through a third temperature sensor for measuring the temperature of the slurry at the slurry outlet end of the dispersion tank, and controls the opening of a third regulating valve on a feeding pipeline of a third intermediate water conveying pipeline for connecting the temperature regulating tank and the temperature regulating device.
In the technical scheme, the spraying device provided by the invention comprises a temperature control device, and a slurry pool, a slurry conveying pipe and a spray head which are sequentially arranged along the flowing direction of slurry, wherein the temperature control device is used for adjusting the temperature of the slurry of the spraying device. When the spraying device works, the slurry sequentially passes through the slurry pool, the slurry conveying pipe and the spray head and is finally sprayed out by the spray head, and when the temperature of the slurry is higher, the temperature control device cools the slurry. And when the temperature of the slurry is lower, the temperature control device heats the slurry.
According to the spraying device, the temperature of the slurry is adjusted through the temperature control device, so that the temperature of the slurry tends to a preset value, and the spraying quality of the spraying device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a spraying device according to an embodiment of the present invention.
Wherein in FIG. 1: 1-slurry pool, 2-first intermediate delivery pipe, 3-ultrasonic injection pump first cut-off valve, 4-injection pump, 5-second intermediate delivery pipe, 6-ultrasonic injection pump second cut-off valve, 7-slurry delivery pipe, 8-pipeline cut-off valve, 9-spray head, 10-dispersion pool, 11-first delivery pipe, 12-temperature adjusting device, 13-third adjusting valve, 14-second adjusting valve, 15-first adjusting valve, 16-third temperature controller, 17-first temperature controller, 18-second temperature controller.
Detailed Description
The core of the invention is to provide a spraying device, and the spraying quality of the spraying device is improved. The other core of the invention is to provide a temperature control method of the spraying device.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
Please refer to fig. 1.
In one embodiment, the spraying device provided by the embodiment of the present invention includes a slurry tank 1, a slurry conveying pipe 7, a spray head 9, and a temperature control device for adjusting the temperature of the slurry of the spraying device, which are sequentially arranged along the slurry flowing direction. In one embodiment, the slurry tank 1 and the slurry delivery pipe 7 are connected by a syringe pump 4. Specifically, the slurry tank 1 is connected to the inlet of the injection pump 4 through a first intermediate delivery pipe 2, and the outlet of the injection pump 4 is connected to the slurry delivery pipe 7 through a second intermediate delivery pipe 5. Preferably, the spray head 9 is an ultrasonic spray head.
Specifically, a control module of the temperature control device is integrated on a spray control module of the spray device.
The discharge end of the slurry conveying pipe 7 is provided with a pipeline cut-off valve 8 connected with a spray head 9.
In one embodiment, the temperature control device includes a temperature conditioning device 12.
The temperature regulating device 12 comprises a first temperature regulating assembly for cooling the slurry. Specifically, the first temperature regulating assembly is used for outputting a cooling medium, and specifically, slurry cooling can be performed by using cooling water which is arranged in a matched manner as the cooling medium of the first temperature regulating assembly. Wherein, first temperature regulating component can be the cold water machine.
The temperature regulating device 12 comprises a second temperature regulating assembly for heating the slurry. The second temperature adjustment assembly can be an electric heating element, and specifically, the second temperature adjustment assembly comprises an electric heating sheet attached to the outside of the part to be heated. The second tempering assembly can be used for outputting a heating medium, for example heating the pulp with water having a higher temperature.
Slurry tank 1 installs in dispersion tank 10, and temperature control device still establishes in the slurry conveyer pipe 7 outside including the cover, and is used for holding the first conveyer pipe 11 to slurry heating and/or refrigerated medium in slurry conveyer pipe 7, and first conveyer pipe 11 is connected with attemperator 12, and is concrete, when attemperator 12 includes first attemperator component and second attemperator component simultaneously, and first attemperator component and second attemperator component pass through tee bend pipeline and are connected with first conveyer pipe 11. The cooling medium of the first temperature regulating assembly is conveyed to the position of the first conveying pipe 11, and then the slurry in the slurry conveying pipe 7 is cooled. When the temperature of the slurry is higher, the temperature adjusting device 12 for conveying cold energy is used for cooling the slurry in the slurry conveying pipe 7, so that the temperature of the slurry sprayed out by the spray head 9 is reduced, the temperature of the slurry tends to be uniform, and the spraying quality of the spraying device is improved.
Preferably, the slurry tank 1, the injection pump 4 and the slurry delivery pipe 7 are all installed in the same housing, and the spray head 9 is located outside the housing.
As can be seen from the above description, in the spraying device provided in the embodiment of the present application, when the spraying device works, the slurry in the slurry tank 1 in the dispersion tank 10 is sequentially conveyed to the position of the spray head 9 through the injection pump 4 and the slurry conveying pipe 7, and when the temperature of the slurry is higher, the temperature control device cools the slurry. And when the temperature of the slurry is lower, the temperature control device heats the slurry to enable the temperature of the slurry to approach to a preset value, and then the spraying quality of the spraying device is improved, wherein the preset value is the optimal temperature corresponding to the slurry spraying, and the preset value can be a single numerical value or a range value.
In a specific embodiment, the temperature control device further comprises a first regulating valve 15, a first temperature sensor for measuring the temperature of the slurry at the spraying head 9, and a first intermediate water conveying line connecting the temperature regulating device 12 and the first conveying pipe 11.
Specifically, the first temperature sensor may be a digital temperature sensor that displays temperature by a number or a pointer temperature sensor that displays temperature by a pointer.
The first regulating valve 15 is installed on the feed pipe of the first intermediate water conveying line. During the use, the user adjusts the first governing valve 15 opening size through reading the numerical value on the first temperature sensor, and then adjusts cooling medium or heating medium's flow. The water outlet pipeline of the first intermediate water conveying pipeline returns the medium passing through the slurry conveying pipe 7 to the temperature adjusting device 12.
In order to reduce the labor intensity of the workers, the temperature control device preferably further comprises a first temperature controller 17 for adjusting the opening degree of the first adjusting valve 15, and the first temperature controller 17 is in signal connection with the first temperature sensor. Namely, in operation, the first temperature controller 17 adjusts the opening degree of the first adjusting valve 15 according to the read temperature value transmitted by the first temperature sensor, so as to ensure that the temperature of the slurry is constant. The first temperature controller 17 may set a corresponding reading temperature and a setting relationship of the opening of the first regulating valve 15 according to needs, and the specific setting value is determined according to actual needs, which is not specifically limited in the present application.
In order to further improve the spraying quality, the injection pump 4 is preferably an ultrasonic injection pump. Wherein, the first middle delivery pipe 2 is provided with a first cut-off valve 3 of the ultrasonic injection pump, and the second middle delivery pipe 5 is provided with a second cut-off valve 6 of the ultrasonic injection pump. Preferably, the first shut-off valve 3 and the second shut-off valve 6 of the ultrasonic injection pump are both electric control valves.
In one embodiment, the temperature control device further comprises a second delivery pipe, a second temperature sensor, a second intermediate water delivery pipeline and a second regulating valve 14.
The second conveying pipe is sleeved outside the injection pump 4 and used for cooling the injection pump 4.
The second temperature sensor is used to measure the temperature of the slurry at the outlet of the syringe pump 4. Specifically, the first temperature sensor may be a digital temperature sensor that displays temperature by a number or a pointer temperature sensor that displays temperature by a pointer.
The second intermediate water conveying pipeline is connected with the temperature adjusting device 12 and the second conveying pipe.
A second regulating valve 14 is mounted on the feed line of the second intermediate water conveying line. The water outlet pipeline of the second intermediate water pipeline returns the medium passing through the injection pump 4 to the temperature adjusting device 12.
Preferably, the temperature control device further comprises a second temperature controller 18 for adjusting the opening degree of the second regulating valve 14, and the second temperature controller 18 is in signal connection with the second temperature sensor. Namely, in operation, the second temperature controller 18 adjusts the opening degree of the second temperature controller 18 through the read temperature value transmitted by the second temperature sensor, so as to ensure that the temperature of the slurry is constant. The second temperature controller 18 may set a corresponding reading temperature and a setting relationship of the opening of the second regulating valve 14 according to needs, and the specific setting value is determined according to actual needs, which is not specifically limited in the present application. The system can adjust the flow rates of the cooling medium and the heating medium passing through the injection pump 4 through the temperature control device, and ensure the preset range of the trend constant temperature of the slurry.
In order to further improve the spraying quality, the dispersion tank 10 is preferably an ultrasonic dispersion tank. When the spraying device sprays the slurry, the slurry is subjected to first ultrasonic dispersion in the dispersion tank 10; then the mixture is sucked into an ultrasonic injection pump, and is ultrasonically dispersed again by the ultrasonic injection pump and the spraying flow is controlled. And finally, carrying out spraying operation after third dispersion in an ultrasonic spray head, so that the atomized particles of the slurry reach the nanometer level. Through three times of ultrasonic dispersion, the slurry is prevented from precipitating and agglomerating, and the spraying effect is ensured.
In one embodiment, the temperature control device further comprises:
and the dispersion pool 10 is placed in the temperature adjusting tank.
And a third temperature sensor for measuring the temperature of the slurry at the slurry outlet end of the dispersion tank 10. Specifically, the third temperature sensor may be a digital temperature sensor that displays temperature by a number or a pointer temperature sensor that displays temperature by a pointer. When the temperature control device is used, a user can adjust the opening size of the third adjusting valve 13 by reading the numerical value on the third temperature sensor, and then the flow of the cooling medium and the heating medium can be adjusted. The water outlet pipeline of the third intermediate water pipeline reflows the cooling liquid passing through the temperature adjusting tank to the temperature adjusting device 12.
A third intermediate water conveying pipeline connecting the temperature adjusting device 12 and the temperature adjusting tank.
And a third regulating valve 13 installed on the feeding line of the third intermediate water conveying line. Preferably, the temperature control device further comprises a third temperature controller 16 for adjusting the opening degree of the third regulating valve 13, and the third temperature controller 16 is in signal connection with a third temperature sensor. Namely, when the slurry drying device works, the third temperature controller 16 adjusts the opening degree of the third temperature controller 16 through the read temperature value transmitted by the third temperature sensor, so that the temperature of the slurry is ensured to be constant. The third temperature controller 16 may set a corresponding reading temperature and a setting relationship of the opening of the third regulating valve 13 according to needs, and the specific setting value is determined according to actual needs, which is not specifically limited in the present application. At the dispersion in-process, can make the thick liquids temperature rise, this application is through third temperature controller 16 and cold water subassembly, adjusts the cooling water yield through the dispersion pond water bath, guarantees that the temperature of thick liquids tends to the constant range in, is suitable for the thick liquids that require high to temperature control, promotes the spraying effect.
Specifically, the first temperature controller 17, the second temperature controller 18, and the third temperature controller 16 may be integrated on one control module.
In addition to the above aspects, it is preferable that both the slurry transport pipe 7 and the spray head 9 be one.
In another embodiment, there are a plurality of slurry feed pipes 7 and spray heads 9, and the slurry feed pipes 7 and spray heads 9 correspond one-to-one. Preferably, the temperature control device can cool each slurry conveying pipe 7, namely, a first conveying pipe 11 is sleeved outside each slurry conveying pipe 7, and the spraying efficiency is improved by arranging a plurality of spray heads 9.
In another embodiment, there are at least two spray heads 9, and all spray heads 9 are installed at the slurry outlet end of the slurry conveying pipe 7 through an intermediate connecting pipe. When two spray heads 9 are provided, the middle connecting pipe can be a three-way pipe, and the three connectors are respectively connected with the spray heads 9 and the outlet ends of the slurry conveying pipes 7.
When the spray heads 9 are multiple, the spray heads 9 may be arranged in a row or in an array, and specifically, the spray heads 9 may be arranged in a matrix or an annular array.
The temperature adjusting method of the spraying device comprises a temperature control device, and a slurry pool 1, an injection pump 4, a slurry conveying pipe 7 and a spray head 9 which are sequentially arranged along the flowing direction of slurry, wherein the temperature control device is used for adjusting the slurry outlet temperature of the spray head 9. The spray coating device provided by the application can be any one of the spray coating devices, and comprises the following steps:
when the temperature control device receives that the slurry temperature of the spraying device is lower than the first preset value, the temperature control device transmits a heat medium to the slurry pool 1 and/or the injection pump 4 and/or the slurry transmission pipe 7 for increasing the slurry temperature.
When the temperature control device receives that the slurry temperature of the spraying device is higher than the second preset value, the temperature control device transmits a cold medium to the slurry pool 1 and/or the injection pump 4 and/or the slurry conveying pipe 7 to reduce the slurry temperature.
The second preset value is higher than the first preset value. Specifically, when the slurry is between the second preset value and the first preset value, neither cooling operation nor heating operation is performed on the slurry.
In one embodiment, the temperature control device comprises a temperature conditioning device 12, the temperature conditioning device 12 being adapted to heat and cool the slurry, comprising the steps of:
the control module of the temperature control device obtains a first temperature value through a first temperature sensor for measuring the temperature of the slurry at the spray head 9, and controls the opening degree of a first regulating valve 15 connected to the feeding pipeline of a first middle water conveying pipeline of the temperature regulating device 12 and the first conveying pipe 11. Specifically, when the difference between the first temperature value and the preset range value is large, the first regulating valve 15 is opened greatly, and when the difference between the first temperature value and the preset range value is small, the first regulating valve 15 is opened less. When the first temperature value is within the preset range, the first regulating valve 15 is closed.
In one embodiment, the temperature control device includes a temperature conditioning device 12, including the steps of:
the control module of the temperature control device obtains a second temperature value through a first temperature sensor for measuring the temperature of the slurry at the outlet of the injection pump 4, and controls the opening degree of a second regulating valve 14 connected to the feeding pipeline of the second intermediate water conveying pipeline of the temperature adjusting device 12 and the second conveying pipeline. Specifically, when the difference between the second temperature value and the preset range value is large, the second regulating valve 14 is opened greatly, and when the difference between the second temperature value and the preset range value is small, the second regulating valve 14 is opened less. When the second temperature value is within the preset range of values, the second regulating valve 14 is closed.
In a specific embodiment, the slurry tank 1 is installed in the dispersion tank 10, and further comprises a temperature adjusting tank for placing the dispersion tank 10, and the temperature control device comprises a temperature adjusting device 12, and comprises the following steps:
the control module of the temperature control device obtains a third temperature value through a third temperature sensor for measuring the temperature of the slurry at the slurry outlet end of the dispersion tank 10, and controls the opening of a third regulating valve 13 on a feeding pipeline of a third intermediate water conveying pipeline which is connected with the temperature regulating tank and the temperature regulating device 12. Specifically, when the difference between the third temperature value and the preset range value is large, the third regulating valve 13 is opened greatly, and when the difference between the third temperature value and the preset range value is small, the third regulating valve 13 is opened less. When the third temperature value is within the preset range, the third regulating valve 13 is closed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 (22)
1. The spraying device is characterized by comprising a temperature control device for adjusting the temperature of slurry of the spraying device, and a slurry pool (1), a slurry conveying pipe (7) and a spray head (9) which are sequentially arranged along the flowing direction of the slurry.
2. A spraying device according to claim 1, characterized in that the temperature control means comprise temperature-regulating means (12);
the temperature-regulating device (12) comprises:
a first temperature regulating assembly for cooling the slurry;
and/or a second temperature conditioning assembly for heating the slurry.
3. A spraying device according to claim 2, characterized in that the temperature control device further comprises a first duct (11) which is arranged outside the slurry duct (7) and is used for accommodating a medium for heating and/or cooling the slurry in the slurry duct (7), and the first duct (11) is connected to the temperature control device (12).
4. A spray assembly according to claim 3 wherein said temperature control assembly further comprises:
a first temperature sensor for measuring the temperature of the slurry at the spray head (9);
a first intermediate water conveying pipeline connecting the temperature adjusting device (12) and the first conveying pipe (11);
a first regulating valve (15) mounted on the feeding line of the first intermediate water conveying line.
5. A spray device according to claim 4, characterized in that the temperature control device further comprises a first temperature controller (17) for adjusting the opening of the first regulating valve (15), the first temperature controller (17) being in signal connection with the first temperature sensor.
6. A spraying device according to claim 3, characterized by further comprising a syringe pump (4) connecting the slurry tank (1) and the slurry delivery pipe (7);
the temperature control device further includes:
the second conveying pipe is sleeved on the outer side of the injection pump (4) and used for accommodating a medium for heating and/or cooling the slurry in the injection pump (4), and the second conveying pipe is connected with the temperature regulating device (12);
a second temperature sensor for measuring the temperature of the slurry at the outlet of the injection pump (4);
a second intermediate water conveying pipeline connecting the temperature adjusting device (12) and the second conveying pipe;
and a second regulating valve (14) installed on the feeding pipeline of the second intermediate water conveying pipeline.
7. A spray device according to claim 6, characterized in that the temperature control device further comprises a second temperature controller (18) for adjusting the opening of the second regulating valve (14), the second temperature controller (18) being in signal connection with the second temperature sensor.
8. A spray device according to claim 3, characterized in that the slurry tank (1) is mounted in a dispersion tank (10), the temperature control device further comprising:
the temperature adjusting tank is used for accommodating a medium for heating and/or cooling the slurry in the dispersing tank (10);
a third temperature sensor for measuring the temperature of the slurry at the slurry outlet end of the dispersion tank (10);
a third intermediate water conveying pipeline connected with the temperature adjusting tank, wherein the third intermediate water conveying pipeline is connected with the temperature adjusting device (12);
and a third regulating valve (13) arranged on the feeding pipeline of the third intermediate water conveying pipeline.
9. A spray device according to claim 8, characterized in that the temperature control device further comprises a third temperature controller (16) for adjusting the opening of the third regulating valve (13), the third temperature controller (16) being in signal connection with the third temperature sensor.
10. A spray assembly according to claim 2, wherein the first temperature control element is used for outputting a cooling medium and the second temperature control element is an electric heating element or is used for outputting a heating medium.
11. The spray device according to claim 1, characterized in that the temperature control device (12) outputs a cooling medium in the form of a water cooler.
12. A spray device according to claim 1, characterized in that the spray head (9) is an ultrasonic spray head.
13. A spraying device according to claim 6, characterized in that the syringe pump (4) is an ultrasonic syringe pump.
14. The spray device of claim 1, wherein the control module of the temperature control device is integrated with the spray control module of the spray device.
15. A spray device according to claim 1, characterized in that the slurry tank (1) is mounted in a dispersion tank (10), which dispersion tank (10) is an ultrasonic dispersion tank.
16. A spraying device according to any one of claims 1-15, characterized in that the slurry feed pipe (7) and the spray head (9) are one or both;
when the slurry conveying pipes (7) and the spray heads (9) are multiple, the slurry conveying pipes (7) and the spray heads (9) correspond to each other one by one.
17. A spray assembly according to claim 16, wherein there are at least two spray heads (9), all spray heads (9) being mounted at the slurry outlet end of the slurry feed pipe (7) by means of intermediate connecting pipes.
18. The temperature adjusting method of the spraying device is characterized by comprising a temperature control device, a slurry pool (1), an injection pump (4), a slurry conveying pipe (7) and a spray head (9), wherein the slurry pool, the injection pump (4), the slurry conveying pipe (7) and the spray head (9) are sequentially arranged along the flowing direction of slurry, the temperature control device is used for adjusting the slurry outlet temperature of the spray head (9), and the temperature adjusting method comprises the following steps:
when the temperature control device receives that the slurry temperature of the spraying device is higher than a first preset value, the temperature control device conveys a cooling medium to the slurry pool (1) and/or the injection pump (4) and/or the slurry conveying pipe (7) for reducing the slurry temperature.
19. The method for regulating the temperature of a spraying device according to claim 18, characterized in that when a temperature control device receives that the spraying device slurry temperature is below a second preset value, the temperature control device delivers a heating medium to the slurry tank (1) and/or to the injection pump (4) and/or to the slurry delivery pipe (7) for increasing the slurry temperature; the first preset value is higher than the second preset value.
20. Method for temperature regulation of a painting device according to claim 18, characterized in that the temperature control device comprises a temperature regulating device (12), which temperature regulating device (12) is used for heating and cooling the slurry, comprising the steps of:
the control module of the temperature control device obtains a first temperature value through a first temperature sensor for measuring the temperature of slurry at the spray head (9), and controls the opening degree of a first adjusting valve (15) connected to the feeding pipeline of a first middle water conveying pipeline of the temperature adjusting device (12) and the first conveying pipe (11).
21. Method for regulating the temperature of a spray device according to claim 18, characterized in that the temperature control device comprises a temperature regulating device (12) comprising the steps of:
and a control module of the temperature control device obtains a second temperature value through a first temperature sensor for measuring the temperature of the slurry at the outlet of the injection pump (4), and controls the opening degree of a second regulating valve (14) connected to the temperature regulating device (12) and the feeding pipeline of a second middle water conveying pipeline of the second conveying pipe.
22. Method for regulating the temperature of a spraying device according to claim 18, characterized in that the stock chest (1) is mounted in a dispersion chest (10), further comprising a tempering tank for placing the dispersion chest (10), and in that the temperature control device comprises a tempering device (12), comprising the steps of:
and a control module of the temperature control device obtains a third temperature value through a third temperature sensor for measuring the temperature of the slurry at the slurry outlet end of the dispersion tank (10), and controls the opening degree of a third regulating valve (13) on a feeding pipeline of a third middle water conveying pipeline for connecting the temperature regulating tank and the temperature regulating device (12).
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| CN202011022311.XA CN112144069A (en) | 2020-09-25 | 2020-09-25 | Spray coating device and temperature adjusting method for spray coating device |
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| CN202011022311.XA CN112144069A (en) | 2020-09-25 | 2020-09-25 | Spray coating device and temperature adjusting method for spray coating device |
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Application publication date: 20201229 |