CN210700982U - Waste heat recovery heating coating machine system - Google Patents
Waste heat recovery heating coating machine system Download PDFInfo
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- CN210700982U CN210700982U CN201921387326.9U CN201921387326U CN210700982U CN 210700982 U CN210700982 U CN 210700982U CN 201921387326 U CN201921387326 U CN 201921387326U CN 210700982 U CN210700982 U CN 210700982U
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Abstract
The utility model belongs to the technical field of waste heat recovery utilizes, especially, relate to a waste heat recovery heating coating machine system. The system comprises a heat exchange unit and a heat medium storage tank, wherein the heat exchange unit comprises at least one heat recovery machine provided with a heat medium inlet, a heat medium outlet and a heat exchange inlet, and the heat exchange inlet is connected with a waste heat outlet of the heating equipment; be equipped with heat medium storage tank export, heat medium storage tank return, heat supply export and heat supply return on the heat medium storage tank, the heat medium storage tank export links to each other with the heat medium import, and the heat medium storage tank return links to each other with the heat medium export, and the heat supply export links to each other with the heat medium import of coating machine, and the heat supply returns the heat medium export of mouth and coating machine and links to each other. Utilize heat medium exchange heating equipment's waste heat in order being used for heating the coating machine, the condition that the temperature risees suddenly or reduces can not appear in the heating process, and temperature stability is good, simultaneously to the waste heat that generates heat as the heat source, the heating process energy consumption reduces, is favorable to the cost management and control.
Description
Technical Field
The utility model belongs to the technical field of waste heat recovery utilizes, especially, relate to a waste heat recovery heating coating machine system.
Background
The coating machine is mainly used for surface coating process production of films, paper and the like, when in work, glue, paint, ink or the like with specific functions is coated on a coiled base material, for example, a positive electrode material or a negative electrode material such as graphite is coated on the base material in the production process of a lithium battery, and after the coating is finished, the coating machine is dried and then wound. Among them, in order to improve the drying efficiency, the drying operation generally needs to be performed in an environment having a relatively high temperature.
In the prior art, most coating machines adopt an electric heating tube for heating, and the mode of directly adopting electric heating for heating is poor in temperature stability, specifically, when a coating is dried in an oven, liquid needs to be evaporated, so that when the drying operation starts, the liquid is evaporated and absorbs heat, the temperature of the oven drops immediately, and after the temperature drops, an electric heating device is started to rise the temperature again for heating, so that certain reaction and temperature rise time are needed, and the situation that heating is not in time or temperature rises suddenly too high is easy to occur; however, when some specific materials are coated, for example, graphite materials coated on the negative electrode in the production process of the lithium battery, the specific materials are sensitive to temperature, the requirement on the temperature stability of the oven is very high, the material cannot be dried when the temperature is too low, and the surface of the pole piece is cracked when the temperature is too high, so that the instability of an electric heating mode can generate great influence on the drying process of the material, and the drying efficiency is difficult to be improved in one step. In addition, utilize the electric energy direct heating, the power consumption is big, and the energy consumption is higher, is unfavorable for electric power cost management and control, and the equipment failure rate of electric heating mode is also high, often appears because of the condition that electric fault need shut down and overhaul.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste heat recovery heating coating machine system aims at solving the adoption among the prior art and adopts electric heating tube to heat and has the technical problem that temperature stability is relatively poor, and the energy consumption is high.
In order to achieve the above object, the utility model adopts the following technical scheme: a waste heat recovery heating coater system comprising:
the heat exchanger unit is used for exchanging the waste heat of the heating equipment and comprises at least one heat recovery machine, a heat medium inlet, a heat medium outlet and a heat exchange inlet are formed in the heat recovery machine, and the heat exchange inlet is used for being connected with the waste heat outlet of the heating equipment;
the heating medium storage tank is used for storing a heating medium, a heating outlet, a heating return opening, at least one heating medium storage tank outlet and at least one heating medium storage tank return opening are formed in the heating medium storage tank, the heating medium storage tank outlet is connected with a heating medium inlet, the heating medium storage tank return opening is connected with the heating medium outlet, the heating outlet is used for being connected with a heating medium inlet of the coating machine, and the heating return opening is used for being connected with a heating medium outlet of the coating machine.
Furthermore, the waste heat recovery heating coating machine system also comprises a heat exchange pipeline arranged between the heat recovery machine and the heat medium storage tank, the heat exchange pipeline comprises a heat medium water inlet pipe and a heat medium water return pipe, the heat medium water inlet pipe is communicated with an outlet of the heat medium storage tank and a heat medium inlet, and the heat medium water return pipe is communicated with a heat medium outlet and a return opening of the heat medium storage tank;
set up circulating pump and first valve on the heat medium inlet tube, first valve sets up between circulating pump and heat medium import, is provided with the second valve on the heat medium wet return.
Furthermore, the waste heat recovery heating coating machine system also comprises a heat supply pipeline arranged between the heat medium storage tank and the coating machine, wherein the heat supply pipeline comprises a heat supply water outlet pipe and a heat supply water return pipe, the heat supply water outlet pipe is used for communicating a heat supply outlet and a heat medium inlet of the coating machine, and the heat supply water return pipe is used for communicating a heat supply return opening and the heat medium outlet of the coating machine;
the heat supply pipeline is provided with a first delivery pump and a third valve, and the third valve is arranged between the first delivery pump and the heat supply outlet.
Furthermore, the heat supply pipeline also comprises a heat supply bypass pipe, a second conveying pump and a fourth valve, wherein the second conveying pump and the fourth valve are arranged on the heat supply bypass pipe, a water inlet of the heat supply bypass pipe is connected to a pipe section between the third valve and a heat supply outlet, a water outlet of the heat supply bypass pipe is connected to a pipe section between the first conveying pump and a heat medium inlet of the coating machine, and the fourth valve is arranged between the second conveying pump and the heat supply outlet.
Further, the heat medium is heat conduction oil.
Furthermore, the waste heat recovery heating coating machine system also comprises a controller and a temperature detection probe, wherein the circulating pump, the first valve, the second valve, the first delivery pump, the third valve, the second delivery pump and the fourth valve are all in communication connection with the controller; the temperature detection probe is arranged on the heat medium storage tank and used for detecting the real-time temperature of the heat medium in the heat medium storage tank, and the temperature detection probe is in communication connection with the controller.
Further, when the temperature detection probe detects that the temperature of the heat medium in the heat medium storage tank is between a first preset temperature and a second preset temperature, the controller controls to open the circulating pump, the first valve and the second valve, and simultaneously controls to open the first delivery pump and the third valve and/or controls to open the second delivery pump and the fourth valve;
when the temperature detection probe detects that the temperature of the heat medium in the heat medium storage tank is lower than a first preset temperature, the controller controls the circulation pump, the first valve and the second valve to be opened, and meanwhile, the controller controls the first delivery pump, the third valve, the second delivery pump and the fourth valve to be closed;
when the temperature detection probe detects that the temperature of the heat medium in the heat medium storage tank is higher than the second preset temperature, the controller controls the circulation pump, the first valve and the second valve to be closed, and meanwhile, the controller controls the first delivery pump, the third valve, the second delivery pump and the fourth valve to be closed.
Further, the waste heat recovery heating coating machine system further comprises an electric heater used for carrying out auxiliary heating on the heat medium in the heat medium storage tank, and the electric heater is in communication connection with the controller.
Further, waste heat recovery heating coating machine system still includes at least one coating machine, and the coating machine is provided with heat medium import and heat medium export, and the heat medium import links to each other with the heat supply export, and the heat medium export links to each other with the heat supply return opening.
Further, the coating machine comprises a coating chamber which is used for executing coating operation and is provided with an air inlet, a heating bag which is provided with an air inlet and an air outlet, and an air blower which is used for conveying heat generated by the heating bag to the coating chamber, wherein a heat exchanger which is used for heating media to exchange heat in a circulating manner is arranged in the heating bag, a heating medium inlet is arranged on the heating bag and communicated with an inlet of the heat exchanger, a heating medium outlet is arranged on the heating bag and communicated with an outlet of the heat exchanger, an air outlet of the air blower is communicated with the air inlet of the heating bag, and an air outlet of the heating bag is communicated with an air inlet of.
The utility model has the advantages that: the utility model discloses a waste heat recovery heating coating machine system, it is provided with heat exchanger group and heat medium storage tank, and the heat exchanger group includes at least one heat recovery machine, and the heat exchange import of heat recovery machine is used for linking with the waste heat export of the heating equipment in the mill, thereby leads the waste heat that the heating equipment produced when working to the heat recovery machine; the heat medium storage tank stores heat medium, the heat medium flows out from a heat medium storage tank outlet of the heat medium storage tank and flows into the heat recovery machine from a heat medium inlet of the heat recovery machine for exchanging waste heat of heating equipment, the heat medium exchanges waste heat and is heated and then flows back into the heat medium storage tank through the heat medium outlet and a heat medium storage tank return opening, the heat medium entering the heat medium storage tank flows out from a heat supply outlet to a heat medium inlet of the coating machine for heating the coating machine, heat required by the coating machine during drying operation is supplied, the temperature of the heat medium is reduced after the heat medium circulates in the coating machine and exchanges heat, and the heat medium enters the heat medium storage tank through a heat supply return opening of the heat medium storage tank for performing next round of circulating heat exchange and heating. Therefore, the heat medium is heated after exchanging the waste heat of the heating equipment in the factory at the heat exchange unit, is conveyed back to the heat medium storage tank after being heated, and is conveyed to the coating machine to heat the coating machine, heat is conveyed and conducted by depending on the circulation of the heat medium, the condition that the temperature is suddenly increased or reduced cannot occur in the heating process, and the temperature stability is good; and moreover, the heating waste heat of heating equipment in a factory is used as a heat source, so that the waste energy is recycled and environment-friendly, the energy consumption in the heating process is reduced, and the production cost is controlled more favorably.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a waste heat recovery heating coater system provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a coater of the waste heat recovery heating coater system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a coater heating bag of the waste heat recovery heating coater system provided by the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-heat exchanger unit 11-heat recovery machine 12-waste heat medium water inlet pipe
13-residual heat medium return pipe 20-heat medium storage tank 21-heat medium storage tank outlet
22-return opening 23 of heat medium storage tank, 24-heat supply outlet and 24-heat supply return opening
30-heat exchange pipeline 31-heat medium water inlet pipe 32-heat medium water return pipe
40-heat supply pipeline 41-heat supply water outlet pipe 42-heat supply return pipe
43-heat supply bypass pipe 50-electric heater 60-temperature detecting probe
100-coater 101-coating chamber 102-heating bag
103-blower 104-heat exchanger 105-heat medium supply pipe
106-heat medium outlet pipe 107-air supply pipeline 111-heat medium inlet
112-heating medium outlet 113-heat exchange inlet 114-heat exchange outlet
200-coating substrate 300-water chilling unit 311-circulating pump
312-first valve 321-second valve 400-air compressor
411 to the first delivery pump 412 to the third valve 413 to the heat supply main line section
414-heating branch 431-second delivery pump 432-fourth valve
1041 radiating pipe 1071 upper tuyere 1072 lower tuyere.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-3 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-3, an embodiment of the utility model provides a waste heat recovery heating coating machine system, as shown in fig. 1, be applicable to the heat that the equipment that generates heat especially high-power equipment that generates heat produced in the recovery mill to heat coating machine 100 with it as coating machine 100's heat source, wherein, the equipment that generates heat can be air compressor 400, cooling water set 300, boiler or solar heat recovery board etc..
Specifically, as shown in fig. 1, the waste heat recovery heating coating machine system includes a heat exchanger unit 10 and a heat medium storage tank 20, wherein the heat exchanger unit 10 is used for exchanging waste heat of a heat generating device, the heat exchanger unit 10 includes at least one heat recoverer 11, the heat recoverer 11 is connected to a heat generating device in a factory, such as a water chiller 300, an air compressor 400, etc., to exchange waste heat of the heat generating device, the heat recoverer 11 is provided with a heat medium inlet 111, a heat medium outlet 112, and a heat exchange inlet 113, the heat exchange inlet 113 is used for being connected to a waste heat outlet of the heat generating device and for introducing waste heat of the heat generating device into the heat recoverer 11, specifically, a waste heat medium inlet pipe 12 is provided between the heat exchange inlet 113 and the heat generating device to convey a medium carrying waste heat into the heat recoverer 11, it is understood that the waste heat of the heat generating device may be a gas with a large amount, or the heating equipment is cooled and then the temperature is raised to carry a large amount of heat, such as high-temperature circulating cooling water; the heat medium storage tank 20 is used for storing heat medium, the heat medium storage tank 20 is provided with a heat medium storage tank outlet 21, a heat medium storage tank return opening 22, a heat supply outlet 23 and a heat supply return opening 24, the heat medium storage tank outlet 21 is communicated with a heat medium inlet 111 for introducing the heat medium into the heat recovery machine 11 to exchange heat of introduced waste heat, the heat medium storage tank return opening 22 is communicated with a heat medium outlet 112 for delivering the heat medium heated by heat exchange back into the heat medium storage tank 20, the heat supply outlet 23 is used for being connected with a heat medium inlet (not shown) of the coating machine 100 for delivering the heated heat medium into the coating machine 100 to supply heat required by the coating machine 100 to perform drying operation, the heat supply return port 24 is used to be connected to a heat medium outlet (not shown) of the coating machine 100 for re-feeding the heat medium, which has been reduced in temperature after being circulated in the coating machine 100 and exchanged heat, back into the heat medium storage tank 20 for the next round of temperature rise by heat exchange.
The utility model discloses waste heat recovery heating coating machine system, it is provided with heat exchanger group 10 and heat medium storage tank 20, and heat exchanger group 10 includes heat recovery machine 11, and heat exchange inlet 113 of heat recovery machine 11 is used for linking to each other with the waste heat export of the interior heating equipment of mill to guide the waste heat that the equipment that generates heat produced when working to heat recovery machine 11; the heat medium storage tank 20 stores a heat medium, the heat medium flows out from a heat medium storage tank outlet 21 of the heat medium storage tank 20 and flows into the heat recovery machine 11 from a heat medium inlet 111 of the heat recovery machine 11 for exchanging the waste heat of the heating device, the heat medium exchanges the waste heat for warming and then flows back into the heat medium storage tank 20 through a heat medium outlet 112 and a heat medium storage tank return opening 22, the heat medium entering the heat medium storage tank 20 flows out from a heat supply outlet 23 to a heat medium inlet of the coating machine 100 for heating the coating machine 100, the heat required by the coating machine 100 during the drying operation is supplied, the temperature of the heat medium is reduced after the heat medium circulates and exchanges the heat in the coating machine 100, and the heat medium enters the heat medium storage tank 20 through a heat supply return opening 24 of the heat medium storage tank 20 for performing the next round of circulating heat exchange for. Therefore, the heat medium is heated after exchanging the waste heat of the heating equipment in the factory at the heat exchanger unit 10, and is conveyed back to the heat medium storage tank 20 after being heated, and then is conveyed to the coating machine 100 to heat the coating machine 100, heat is conveyed and conducted by the circulation of the heat medium, the situation that the temperature is suddenly increased or decreased cannot occur in the heating process, and the temperature stability is good; and moreover, the heating waste heat of heating equipment in a factory is used as a heat source, so that the waste energy is recycled and environment-friendly, the energy consumption in the heating process is reduced, and the production cost is controlled more favorably.
It should be noted that, in this embodiment, the heat recovery machine 11 may be a heat recovery machine with a built-in heat exchange device such as a generator, an evaporator, and a condenser, or may be an absorption type transfer pump with a built-in heat exchange device such as a generator, an evaporator, and a condenser, and the working principle of the heat exchange is the same as that of a common heat recovery machine or a common absorption type transfer pump, and therefore, the description thereof is omitted here.
In this embodiment, as shown in fig. 1, a heat exchange outlet 114 is further formed in the heat recovery machine 11, and the heat exchange outlet 114 is communicated with a circulating cooling water inlet or a low-temperature gas inlet of a heating device, such as a water chilling unit 300 and an air compressor 400, through a waste heat medium water return pipe 13, so as to convey circulating cooling water or gas after the heat exchange is cooled back to the heating device, and continue to be used for cooling the heating device. Of course, it is understood that if the medium carrying the waste heat is waste generated by the heat generating equipment, the heat exchange outlet 114 can directly discharge the waste heat.
In another embodiment of the present invention, as shown in fig. 1, the waste heat recovery heating coating machine system further includes a heat exchange pipeline 30 disposed between the heat recovery machine 11 and the heat medium storage tank 20, and the heat medium circulates between the heat recovery machine 11 and the heat medium storage tank 20 through the heat exchange pipeline 30. Specifically, the heat exchange pipeline 30 comprises a heat medium water inlet pipe 31 and a heat medium water return pipe 32, the heat medium water inlet pipe 31 is communicated with the heat medium storage tank outlet 21 and the heat medium inlet 111, and the heat medium water return pipe 32 is communicated with the heat medium outlet 112 and the heat medium storage tank return 22; when the waste heat recovery heating coating machine system of this embodiment starts to work, when the waste heat medium that carries the waste heat enters heat recovery machine 11, the low temperature heat medium in heat medium storage tank 20 is inputted into heat recovery machine 11 through heat medium inlet tube 10531, the waste heat medium gives off the heat and exchanges this heat for low temperature heat medium after entering heat recovery machine 11, the low temperature heat medium heats up after exchanging the heat, and then passes through heat medium return pipe 32 and transport back to heat medium storage tank 20 again, so, the lower heat medium of temperature constantly flows out to heat recovery machine 11 from heat medium storage tank 20 and carries out the heat transfer and heat up, until the temperature of heat medium rises to the required temperature when satisfying coating machine 100 heating.
Further, as shown in fig. 1, a circulation pump 311 and a first valve 312 are provided on the heat medium inlet pipe 31, the first valve 312 is provided between the circulation pump 311 and the heat medium inlet 111, and a second valve 321 is provided on the heat medium return pipe 32. The circulation pump 311 is used to pressurize the heat medium to ensure that the heat medium can smoothly flow from the heat medium storage tank 20 to the heat recovery unit 11, the first valve 312 and the second valve 321 are respectively used to control the circulation and the stop of the heat medium inlet pipe 10531 and the heat medium return pipe 32, when the heat exchange is needed, the first valve 312 and the second valve 321 are opened, and when the heat exchange is not needed, the first valve 312 and the second valve 321 are closed. Of course, the purpose of providing the circulation pump 311 is to pressurize the heat medium in circulation, and thus, when the heat medium can be smoothly transferred by its own circulation power, the circulation pump 311 may be omitted, and thus, whether or not the circulation pump 311 is provided is not limited only herein. Further, it is understood that a circulation pump for pressurization may be provided in the heat medium return pipe 32 as well, when the heat medium heated by heat exchange cannot be returned to the heat medium storage tank 20 by its own prevailing power.
In this embodiment, the number of the heat recovery machines 11 may be one or multiple, and when only one heat recovery machine 11 is provided (not shown), the heat exchange inlet 113 of the heat recovery machine 11 may be connected to one heat generating device, or may be simultaneously connected to the waste heat outlets of multiple heat generating devices, so as to simultaneously introduce the waste heat of multiple heat generating devices into the same heat recovery machine 11 to perform cyclic heat exchange with the heat medium. When a plurality of heat recovery machines 11 are provided at the same time, for example, when two heat recovery machines 11 are provided at the same time, as shown in fig. 1, one of the heat recovery machines 11 is connected to a waste heat outlet of a heat generating device, such as a cold water unit 300, through a heat exchange pipeline 30, so as to introduce the waste heat of the heat generating device, such as the cold water unit 300, into the corresponding heat recovery machine 11 for circulating heat exchange with the heat medium; the other heat recovery machine 11 is connected with a waste heat outlet of another heating device such as an air compressor 400 through a heat exchange pipeline 30 so as to introduce the waste heat of the heating device such as the air compressor 400 into the corresponding heat recovery machine 11 to perform heat exchange with a heat medium in a circulating manner; so, heat exchanger unit 10 is provided with two or more heat recovery machines 11 simultaneously and is used for retrieving the waste heat of different equipment that generates heat respectively, heat up with utilizing this waste heat to heat medium heating simultaneously, the heat recovery cycle work of two heat recovery machines 11 does not influence each other, when one of them heat recovery machine 11 overhauls or the fault shutdown, another heat recovery machine 11 can the heat transfer of normal work, so, in the fast programming rate who improves heat medium, can also improve the reliability of heat transfer work, better provides the guarantee for heating the coating machine.
In another embodiment of the present invention, as shown in fig. 1, the system further includes a heat supply pipeline 40 disposed between the heat medium storage tank 20 and the coating machine 100, and the heat medium circulates between the heat medium storage tank 20 and the coating machine 100 through the heat supply pipeline 40. Specifically, the heat supply pipeline 40 includes a heat supply water outlet pipe 41 and a heat supply water return pipe 42, the heat supply water outlet pipe 41 is used for communicating the heat supply outlet 23 with a heat medium inlet of the coating machine 100, so as to convey the heat medium heated by heat exchange to the coating machine 100 for heating the coating machine 100, the heat supply water return pipe 42 is used for communicating the heat supply return port 24 with a heat medium outlet of the coating machine 100, and the heat medium is cooled by heat dissipation at the coating machine 100 and then conveyed back into the heat medium storage tank 20 for next round of heat exchange and temperature rise.
Further, as shown in fig. 1, a first delivery pump 411 and a third valve 412 are disposed on the heat supply pipeline 40, and the third valve 412 is disposed between the first delivery pump 411 and the heat supply outlet 23. The first transfer pump 411 is used to pressurize the heat medium to ensure that the heat medium can smoothly flow from the heat medium tank 20 to the coater 100, the third valve 412 is used to control the flow and stop of the heat supply water outlet pipe 41, when the coater 100 needs to be heated, the third valve 412 is opened, and when the coater 100 does not need to be heated, the third valve 412 is closed. Of course, the first delivery pump 411 is provided here for the purpose of pressurizing the popular heat medium, and thus, when the heat medium can be smoothly transferred by its own popular power, the first delivery pump 411 may be omitted, and thus, whether or not the first delivery pump 411 is provided is not limited herein. Furthermore, it is understood that a delivery pump for pressurizing may be provided on the heating water return pipe 42 as well, when the heat medium after heat dissipation and temperature reduction cannot be delivered back to the heat medium storage tank 20 by means of its own prevailing power.
In another embodiment of the present invention, as shown in fig. 1, the heat supply outlet pipe 41 further includes a heat supply main pipe segment 413 and a plurality of heat supply branch pipe segments 414 connected in parallel thereto, each heat supply branch pipe segment 414 is connected with each coating machine 100 in a one-to-one manner, and thus, the plurality of heat supply branch pipe segments 414 are connected in parallel, so as to heat a plurality of coating machines 100 simultaneously, provide the utilization efficiency of the waste heat, save the setting space of the system, and reduce the configuration cost of the device.
In another embodiment of the present invention, as shown in fig. 1, the heat supply pipeline 40 further includes a heat supply bypass pipe 43 and a second delivery pump 431 and a fourth valve 432 disposed on the heat supply bypass pipe 43, a water inlet of the heat supply bypass pipe 43 is connected to a pipe section between the third valve 412 and the heat supply outlet 23, a water outlet of the heat supply bypass pipe 43 is connected to a pipe section between the first delivery pump 411 and the heat medium inlet of the coater 100 (connected to the heat supply main pipe section 413), and the fourth valve 432 is disposed between the second delivery pump 431 and the heat supply outlet 23, so when the first delivery pump 411 or the third valve 412 fails and needs to be repaired, the heat medium can be delivered through the heat supply bypass pipe 43, thereby the drying operation of the coater 100 is not affected, and the heat supply is more stable and reliable.
The utility model discloses a in another embodiment, the preferred conduction oil that is of heat medium, specifically, the conduction oil has good thermal stability, still has the advantage that the heating is even, the control that adjusts the temperature is accurate, the heat transfer effect is good, the heat dissipation is fast etc. simultaneously to, its boiling point is higher, can obtain very high operating temperature under the ordinary pressure, can the manifold cycles heat transfer heat rise to can satisfy the demand of the high temperature stoving operation of coating machine 100.
In another embodiment of the present invention, as shown in fig. 1, the heat recovery heating coating machine system further includes a controller (not shown), for example, a PLC controller, etc., the circulation pump 311, the first valve 312, the second valve 321, the first delivery pump 411, the third valve 412, the second delivery pump 431, and the fourth valve 432 are all in communication connection with the controller, that is, the electric component of the heat recovery heating coating machine system is all in communication connection with the controller, so as to be used for controlling the circulation or the cutoff of the heat medium between the heat medium storage tank 20 and the heat exchanger unit 10 and/or the heat medium between the heat medium storage tank 20 and the coating machine 100. Specifically, when the heat recovery machine 11 needs to be started to perform circulating heat exchange on the heat medium, the controller controls to open the first valve 312 and the second valve 321 and simultaneously controls to start the circulating pump 311, at this time, the circulating passage of the heat medium between the heat medium storage tank 20 and the heat exchanger unit 10 is conducted, the heat medium can perform circulating heat exchange between the heat medium storage tank 20 and the heat exchanger unit 10, otherwise, the controller controls to close the first valve 312 and the second valve 321 and simultaneously controls to close the circulating pump 311, the circulating passage of the heat medium between the heat medium storage tank 20 and the heat exchanger unit 10 is cut off, and the heat medium stops heat exchange and is heated; similarly, when the temperature of the heat medium satisfies the heating requirement of the coating machine 100, the controller controls to open the third valve 412 and/or the fourth valve 432 and simultaneously controls to start the first delivery pump 411 and/or the second delivery pump 431, at this time, the circulation path of the heat medium between the heat medium tank 20 and the coating machine 100 is conducted, the heat medium can circulate between the heat medium tank 20 and the coating machine 100 and supply heat to heat the coating machine 100, and on the contrary, when the coating machine 100 does not need to heat, the controller controls to close the third valve 412 and/or the fourth valve 432 and simultaneously controls to close the first delivery pump 411 and/or the second delivery pump 431. Therefore, the controller is arranged to control the opening and closing of the electric component in the system, the automation degree of the system is higher, and the operation process is more reliable and stable.
In another embodiment of the present invention, as shown in fig. 1, the waste heat recovery heating coating machine system further includes a temperature detecting probe 60, the temperature detecting probe 60 is disposed on the heat medium storage tank 20 and is used for detecting the temperature of the heat medium in the heat medium storage tank 20 in real time, and the temperature detecting probe 60 is in communication connection with the controller. Thus, the temperature change of the heat medium in the heat medium storage tank 20 is monitored in real time by the temperature detection probe 60, the monitored temperature data is fed back to the controller in time, and the controller automatically controls the on or off of each electric component through the received temperature value so as to control the circulation or the cut-off of the heat medium between the heat medium storage tank 20 and the heat exchange unit 10 and/or between the heat medium storage tank 20 and the coating machine 100.
Specifically, the controller is preset with a first preset temperature and a second preset temperature, wherein the first preset temperature is a lower temperature limit when the coater 100 is heated, and the second preset temperature is an upper temperature limit when the coater is heated. When the temperature monitoring probe 70 detects that the temperature of the heat medium is between the first preset temperature and the second preset temperature, the controller controls to open the circulation pump 311, the first valve 312 and the second valve 321, the heat medium circulates and flows between the heat medium storage tank 20 and the heat exchanger unit 10 to exchange heat and raise the temperature, and simultaneously the controller controls to open the first delivery pump 411, the third valve 412 and/or controls to open the second delivery pump 431 and the fourth valve 431, the flow of the heat medium between the heat medium storage tank 20 and the coating machine 100 is controlled to supply heat to heat the coating machine 100; when the temperature monitoring probe 70 detects that the temperature of the heat medium is lower than a first preset temperature, the controller controls to open the circulating pump 311, the first valve 312 and the second valve 321, the heat medium circulates between the heat medium storage tank 20 and the heat exchanger unit to exchange heat and heat, and simultaneously the controller controls to close the first delivery pump 411, the third valve 412, the second delivery pump 431 and the fourth valve 432, the heat medium stops circulating between the heat medium storage tank 20 and the coating machine 100 and stops heating the coating machine 100; when the temperature monitoring probe 70 detects that the temperature of the heat medium is higher than the second preset temperature, the controller controls to close the circulating pump 311, the first valve 312, the second valve 321, the first delivery pump 411, the third valve 412, the second delivery pump 431 and the fourth valve 432, the heat medium stops flowing heat exchange between the heat medium storage tank 20 and the heat exchanger unit 10 to prevent the temperature of the heat medium from further increasing, and simultaneously the controller controls to close the first delivery pump 431, the third valve 412, the second delivery pump 431 and the fourth valve 432, the heat medium stops circulating flow between the heat medium storage tank 20 and the coating machine and stops heating the coating machine.
In another embodiment of the present invention, as shown in fig. 1, the heat recovery heating coating machine system further includes an electric heater 50 for auxiliary heating of the heat medium in the heat medium storage tank 20, and the electric heater 50 is in communication connection with the controller. In this way, when the waste heat of the heat generating device cannot be utilized and/or the recovered waste heat of the heat generating device is not enough to heat the heat medium to the drying temperature required by the coating machine 100, the electric heater 50 is turned on to directly heat the heat medium in the heat medium storage tank 20, thereby ensuring that the heat during the normal drying operation of the coating machine 100 can be normally supplied under the condition of insufficient waste heat or no waste heat recovery; in addition, the electric heater 50 is still used to indirectly heat the coating machine 100 by heating the heat medium, and still can ensure good thermal stability. In the present embodiment, the electric heater 50 is embodied as an electric heating pipe submerged in the heat medium tank 20.
In another embodiment of the present invention, as shown in fig. 1 to 3, the waste heat recycling heating system further includes at least one coating machine 100, wherein the coating machine 100 is provided with a heat medium inlet and a heat medium outlet, the heat medium inlet is communicated with the heat supply outlet 23 of the heat medium storage tank 20, and the heat medium outlet is communicated with the heat supply return port 24 of the heat medium storage tank 20.
In the present embodiment, as shown in fig. 2, the coating machine 100 includes a coating chamber 101 having an air inlet for performing a coating operation, a heat generating pack 102 having an air inlet and an air outlet, and an air blower 103 for delivering heat generated by the heat generating pack 102 to the coating chamber 101, a heat exchanger 104 for heat exchanging heat of a heating medium is disposed in the heat generating pack 102, a heating medium inlet is disposed on the heat generating pack 102 and communicated with an inlet of the heat exchanger 104, a heating medium outlet is disposed on the heat generating pack 102 and communicated with an outlet of the heat exchanger 104, an air outlet of the air blower 103 is communicated with the air inlet of the heat generating pack 102, and an air outlet of the heat generating pack 102 is communicated with the air inlet of the coating chamber 101.
Specifically, in this embodiment, as shown in fig. 2 and fig. 3, the heat exchanger 104 is a plurality of heat dissipation pipes 1041 that are arranged in parallel between the air inlet and the air outlet, the heat generation package 102 is further provided with a heat medium supply pipe 105 and a heat medium outlet pipe 106 that are clamped between the air inlet and the air outlet, wherein a water inlet of the heat medium supply pipe 105 is a heat medium inlet of the coating machine 100, a water outlet of the heat medium outlet pipe 106 is a heat medium outlet of the coating machine 100, a water inlet of each heat dissipation pipe 1041 is communicated with the heat medium supply pipe 105, a water outlet of each heat dissipation pipe 1041 is communicated with the heat medium outlet pipe 106, the heat medium carrying heat is delivered to the heat medium supply pipe 105 through the heat supply outlet pipe 41, and then enters each heat dissipation pipe 1041 for heat dissipation, and the blower 103 is turned on when the heat dissipation pipe 1041 dissipates the heat.
More specifically, in the present embodiment, as shown in fig. 2 and 3, the coating machine 100 further includes an air supply duct 107, an air inlet of the air supply duct 107 is connected to an air outlet of the heat generating pack 102, the air outlet of the air supply duct 107 passes through the air inlet of the coating machine 100 and extends into the coating chamber 101, the air outlet of the air supply duct 107 is provided with an upper air nozzle 1071 and a lower air nozzle 1072 which are oppositely arranged, and the coated substrate 200 to be dried in the coating chamber 101 is transversely arranged between the upper air nozzle 1071 and the lower air nozzle 1072, so that the blower 103 starts to blow air to blow heat dissipated in the heat generating pack 102 to be discharged from the upper air nozzle 1071 and the lower air nozzle 1072, so as to simultaneously perform the drying operation on the upper surface and the lower surface of the coated substrate 200, and the coated substrate 200 is heated more uniformly.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A waste heat recovery heating coater system, comprising:
the heat exchanger unit is used for exchanging the waste heat of the heating equipment and comprises at least one heat recovery machine, a heat medium inlet, a heat medium outlet and a heat exchange inlet are formed in the heat recovery machine, and the heat exchange inlet is used for being connected with the waste heat outlet of the heating equipment;
the heating medium storage tank is used for storing a heating medium, a heating outlet, a heating return opening, at least one heating medium storage tank outlet and at least one heating medium storage tank return opening are formed in the heating medium storage tank, the heating medium storage tank outlet is connected with the heating medium inlet, the heating medium storage tank return opening is connected with the heating medium outlet, the heating outlet is used for being connected with the heating medium inlet of the coating machine, and the heating return opening is used for being connected with the heating medium outlet of the coating machine.
2. The heat recovery heating coater system according to claim 1, further comprising a heat exchange line disposed between the heat recovery machine and the heat medium storage tank, wherein the heat exchange line comprises a heat medium water inlet pipe and a heat medium water return pipe, the heat medium water inlet pipe communicates with the heat medium storage tank outlet and the heat medium inlet, and the heat medium water return pipe communicates with the heat medium outlet and the heat medium storage tank return;
set up circulating pump and first valve on the heat medium inlet tube, first valve set up in the circulating pump with between the heat medium import, be provided with the second valve on the heat medium wet return.
3. The system of claim 2, further comprising a heat supply pipeline disposed between the heat medium storage tank and the coating machine, wherein the heat supply pipeline comprises a heat supply outlet pipe and a heat supply return pipe, the heat supply outlet pipe is used for communicating the heat supply outlet with a heat medium inlet of the coating machine, and the heat supply return pipe is used for communicating the heat supply return port with a heat medium outlet of the coating machine;
the heat supply pipeline is provided with a first delivery pump and a third valve, and the third valve is arranged between the first delivery pump and the heat supply outlet.
4. The system of claim 3, wherein the heat supply pipeline further comprises a heat supply bypass pipe, and a second delivery pump and a fourth valve disposed on the heat supply bypass pipe, a water inlet of the heat supply bypass pipe is connected to a pipe section between the third valve and the heat supply outlet, a water outlet of the heat supply bypass pipe is connected to a pipe section between the first delivery pump and a heat medium inlet of the coater, and the fourth valve is disposed between the second delivery pump and the heat supply outlet.
5. The heat recovery heating coater system according to claim 1, wherein the heat medium is heat transfer oil.
6. The heat recovery heating coater system according to claim 4 further comprising a controller and a temperature detection probe, wherein the circulation pump, the first valve, the second valve, the first delivery pump, the third valve, and the second and fourth delivery pumps are all communicatively connected to the controller; the temperature detection probe is arranged on the heat medium storage tank and used for detecting the real-time temperature of the heat medium in the heat medium storage tank, and the temperature detection probe is in communication connection with the controller.
7. The system of claim 6, wherein when the temperature detection probe detects that the temperature of the heat medium in the heat medium storage tank is between a first preset temperature and a second preset temperature, the controller controls to open the circulation pump, the first valve and the second valve, and simultaneously controls to open the first delivery pump, the third valve and/or the second delivery pump, the fourth valve;
when the temperature detection probe detects that the temperature of the heat medium in the heat medium storage tank is lower than a first preset temperature, the controller controls the circulation pump, the first valve and the second valve to be opened, and simultaneously controls the first delivery pump, the third valve, the second delivery pump and the fourth valve to be closed;
when the temperature detection probe detects that the temperature of the heat medium in the heat medium storage tank is higher than a second preset temperature, the controller controls to close the circulating pump, the first valve and the second valve, and simultaneously the controller controls to close the first delivery pump, the third valve, the second delivery pump and the fourth valve.
8. The heat recovery heating coater system according to claim 7, further comprising an electric heater for auxiliary heating of the heat medium in the heat medium storage tank, wherein the electric heater is in communication with the controller, and the controller controls the electric heater to be activated when the waste heat of the heat generating device cannot be utilized and/or the heat medium cannot be heated to the first preset temperature by the waste heat of the heat generating device.
9. The heat recovery heating coating machine system according to any one of claims 1 to 5, further comprising at least one coating machine provided with a heat medium inlet and a heat medium outlet, wherein the heat medium inlet is connected to the heat supply outlet, and the heat medium outlet is connected to the heat supply return port.
10. The heat recovery heating coater system according to claim 9, wherein the coater includes a coating chamber having an air inlet for performing a coating operation, a heat generating pack having an air inlet and an air outlet, and an air blower for delivering heat generated by the heat generating pack to the coating chamber, the heat generating pack having a heat exchanger disposed therein for heat exchange with a heating medium, the heat medium inlet being disposed on the heat generating pack and communicating with an inlet of the heat exchanger, the heat medium outlet being disposed on the heat generating pack and communicating with an outlet of the heat exchanger, the air outlet of the air blower communicating with the air inlet of the heat generating pack, and the air outlet of the heat generating pack communicating with the air inlet of the coating chamber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387326.9U CN210700982U (en) | 2019-08-23 | 2019-08-23 | Waste heat recovery heating coating machine system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921387326.9U CN210700982U (en) | 2019-08-23 | 2019-08-23 | Waste heat recovery heating coating machine system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577190A (en) * | 2020-12-11 | 2021-03-30 | 安徽新辰光学新材料有限公司 | Heating mechanism for coating machine |
| CN113769994A (en) * | 2021-09-30 | 2021-12-10 | 深圳市曼恩斯特科技股份有限公司 | Coating machine |
-
2019
- 2019-08-23 CN CN201921387326.9U patent/CN210700982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577190A (en) * | 2020-12-11 | 2021-03-30 | 安徽新辰光学新材料有限公司 | Heating mechanism for coating machine |
| CN113769994A (en) * | 2021-09-30 | 2021-12-10 | 深圳市曼恩斯特科技股份有限公司 | Coating machine |
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