CN114427782A - Drying temperature adjustable and rapid cooling sharing system and using method - Google Patents

Drying temperature adjustable and rapid cooling sharing system and using method Download PDF

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Publication number
CN114427782A
CN114427782A CN202111599681.4A CN202111599681A CN114427782A CN 114427782 A CN114427782 A CN 114427782A CN 202111599681 A CN202111599681 A CN 202111599681A CN 114427782 A CN114427782 A CN 114427782A
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China
Prior art keywords
air
drying
heat
air inlet
temperature
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Application number
CN202111599681.4A
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Chinese (zh)
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CN114427782B (en
Inventor
王叶通
毛维礼
刘阳
朱竑鑫
宋超
杨瑞康
徐龙华
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MH Robot and Automation Co Ltd
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MH Robot and Automation Co Ltd
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Priority to CN202111599681.4A priority Critical patent/CN114427782B/en
Publication of CN114427782A publication Critical patent/CN114427782A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413—Heating with air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/003—Supply-air or gas filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/10—Temperature; Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06—Chambers, containers, or receptacles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention belongs to the technical field of air processors and discloses an adjustable drying temperature and rapid cooling shared system and a using method thereof, wherein the adjustable drying temperature and rapid cooling shared system comprises a drying and heat-preserving chamber body, a forced cooling drying device is arranged above the drying and heat-preserving chamber body, the forced cooling drying device comprises a heat-preserving shell, a heat-preserving partition plate is arranged in the heat-preserving shell, the heat-preserving partition plate is used for partitioning an inner cavity of the heat-preserving shell into a heat exchange chamber and an exhaust chamber, a heating assembly for heating air is arranged in the heat exchange chamber, and an exhaust assembly is arranged in the exhaust chamber; the invention can carry out a drying process or a cooling process, reduces energy consumption, has high integral automation degree, low integral manufacturing cost and low use cost, and can greatly improve the economic benefit of enterprises.

Description

Drying temperature adjustable and rapid cooling sharing system and using method
Technical Field
The invention belongs to the technical field of air processors, and particularly relates to a drying temperature adjustable and rapid cooling sharing system and a using method thereof.
Background
In the existing coating workshop adopting intermittent production or drawer type production, because the drying temperature requirements of paint manufacturers on different paints are different (for example, electrophoresis drying is 180 ℃, glue drying is 120 ℃, finish paint drying is 140 ℃, colored paint flash drying is 80 ℃, and powder spraying line is 220 ℃), the coated workpiece needs to be dried according to the drying temperature of the paints.
All adopt drying equipment to dry when drying to the work piece that has the coating paint, be like patent application number: CN201820637487.8 discloses a spout and dry by fire all-in-one, includes: the one-key type conversion equipment that sprays paint and dries, it sets up air supply air intake below has: a shift valve and shift valve actuator; the air supply fan is arranged below the air supply outlet and is positioned on one horizontal side of the spray paint drying one-key type conversion device; the air supply heating device is arranged between the air supply air outlet and the air supply fan, is connected with the air supply fan and is positioned on a passage leading from the air supply fan to the air supply air outlet; and the air exhaust fan is arranged below the air exhaust outlet and is positioned on the side, opposite to the air supply fan, of the spray painting drying one-key type conversion device.
The existing drying equipment can be used for drying the coated workpiece, but in the actual production process, the temperature of the workpiece after drying is too high, so that workers in a workshop of the next working procedure cannot normally operate, and therefore, an independent strong cooling chamber needs to be arranged after drying, so that the temperature of the workpiece is cooled to a certain specified temperature; the additional arrangement of the forced cooling chamber can increase the power consumption and can also cause a series of problems of large occupied area of the forced cooling area and the like, and the use effect is reduced.
Disclosure of Invention
The invention aims to provide a drying temperature adjustable and rapid cooling sharing system and a using method thereof, which can perform a drying process or a cooling process, reduce energy consumption, have high integral automation degree, low integral manufacturing cost and low using cost.
In order to solve the technical problems, the invention provides the following technical scheme:
a drying temperature adjustable and rapid cooling shared system comprises a drying and heat-preserving chamber body, wherein a forced cooling drying device is arranged above the drying and heat-preserving chamber body, the forced cooling drying device comprises a heat-preserving shell, a heat-preserving partition board is arranged in the heat-preserving shell, the heat-preserving partition board is used for partitioning an inner cavity of the heat-preserving shell into a heat exchange chamber and an exhaust chamber, a heating assembly used for heating air is arranged in the heat exchange chamber, and an exhaust assembly is arranged in the exhaust chamber; the automatic control system also comprises a control cabinet for carrying out automatic control.
The following is a further optimization of the above technical solution of the present invention:
the heating assembly comprises a heater which is fixedly arranged in the heat exchange chamber; and a high-temperature resistant filter is arranged on one side of the heater in the heat exchange chamber.
Further optimization: the heat preservation shell is provided with an air feeder, an air inlet of the air feeder is communicated with the heat exchange chamber, an air outlet of the air feeder is communicated with an air supply pipe, and the other end of the air supply pipe is communicated with an air inlet of the drying heat preservation chamber body.
Further optimization: the heat-insulation shell is provided with a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively communicated with the heat exchange chamber, a third electric valve is installed at the position of the first air inlet, an outdoor air taking pipeline is communicated with the first air inlet, the other end of the outdoor air taking pipeline is communicated with the outside atmosphere, a first electric valve is installed at the position of the second air inlet, a return air pipeline is communicated with the second air inlet, and the other end of the return air pipeline is communicated with an air outlet of the drying heat-insulation chamber body.
Further optimization: the heat preservation shell is provided with a fresh air inlet, the fresh air inlet is communicated with the heat exchange chamber, and a fresh air supplementing filter and a fresh air regulating valve for controlling the opening or closing of the fresh air inlet are installed at the fresh air inlet.
Further optimization: the exhaust assembly comprises a forced cooling exhaust fan arranged on the heat preservation shell, the air inlet end of the forced cooling exhaust fan is communicated with the exhaust chamber, the air outlet end of the forced cooling exhaust fan is communicated with an exhaust pipeline, and the exhaust pipeline extends to the outside of the heat preservation shell.
Further optimization: and a third air inlet is formed in the heat preservation shell, the third air inlet is connected with the exhaust chamber, a second electric valve is arranged at the position of the third air inlet, an air inlet pipeline is communicated with the third air inlet, and the other end of the air inlet pipeline is communicated with an air outlet of the drying heat preservation chamber body.
Further optimization: a main controller is installed in the control cabinet, the input end of the main controller is electrically connected with a temperature detector, the temperature detector is installed in the air supply pipe, and a temperature preset threshold value is arranged in the main controller; the output end of the main controller is electrically connected with a power regulator, and the output end of the power regulator is electrically connected with the control end of the heater;
the control ends of the air feeder, the forced cooling exhaust fan, the first electric valve, the second electric valve, the third electric valve, the fresh air regulating valve and the waste gas regulating valve are respectively and electrically connected with the output end of the main controller;
the output end and the input end of the main controller are electrically connected with a timing unit.
The invention also provides a use method of the adjustable drying temperature and rapid cooling sharing system, which comprises a workpiece placing process, a drying process and a strong cooling process;
the workpiece placing process comprises the following steps:
g1, placing the painted workpiece in a drying heat preservation chamber;
the drying process comprises the following steps:
h1, setting a preset temperature threshold value and drying operation time according to the drying temperature of the paint, opening the first electric valve by the main controller, closing the second electric valve and the third electric valve, sequentially opening the air feeder and the heater, and enabling air in the drying heat-preservation chamber to enter the heat exchange chamber;
h2, heating the air in the heat exchange chamber by the working of the heater, filtering the hot air by a high-temperature resistant filter, and conveying the hot air into the drying heat preservation chamber by the air feeder for drying the workpiece;
h3, detecting the real-time temperature of hot air in the blast pipe by a temperature detector and sending the real-time temperature to a main controller, comparing the real-time temperature with a preset temperature threshold value by the main controller, sending a control signal by the main controller according to the comparison result, and controlling the power of a heater by a power regulator to adjust the heating amount of the heater so that the real-time temperature is matched with the preset temperature threshold value;
h4, the main controller sends out control signals to control the opening of the fresh air regulating valve and the waste gas regulating valve, fresh air outside can enter the heat exchange chamber after being filtered by the fresh air supply filter, waste gas generated in the drying and heat insulation chamber is conveyed to an external waste gas treatment device through a waste gas exhaust pipeline for treatment, and the waste gas is discharged after reaching the standard;
h5, a timing unit for timing the working time of the drying process, the drying process is completed, and the main controller controls the air blower and the heater to be closed.
The following is a further optimization of the above technical solution of the present invention:
the strong cooling process comprises the following steps:
l1, setting strong cooling operation time according to the working condition of the workpiece, opening the third electric valve and the second electric valve by the main controller, closing the first electric valve and the heater, and sequentially opening the air feeder and the strong cooling exhaust fan, wherein outside fresh air can enter the heat exchange chamber through an outdoor air intake pipeline, is filtered by the high temperature resistant filter and then is conveyed into the drying heat preservation chamber by the air feeder;
l2, the air in the drying heat preservation chamber enters the air exhaust chamber through the air inlet pipeline, and the forced cooling exhaust fan exhausts the air to realize the cooling operation of the workpiece;
l3, timing the working time of the forced cooling process by the timing unit, and after the forced cooling process is finished, the main controller controls the air feeder and the forced cooling exhaust fan to be closed.
By adopting the technical scheme, the invention has the advantages of ingenious conception, reasonable structure, simple integral structure and high automation degree, can perform drying operation or forced cooling operation according to the working condition requirement, has complete integral functions, can use the air feeder as a circulating fan or a forced cooling air feeder for drying, can filter hot air or cold air through a high-temperature-resistant filter, can adjust the circulating air into taking air from the outside of a workshop and conveying the air into a heat exchange chamber during cooling, realizes rapid cooling of a heater, and simultaneously conveys the normal-temperature air into a drying heat-preservation chamber by the air feeder to rapidly cool a workpiece, thereby achieving the purpose of saving energy.
The invention is further illustrated with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a forced cooling drying apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of the forced cooling drying apparatus in the embodiment of the present invention
FIG. 4 is a schematic diagram of a forced cooling drying apparatus according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a control system in an embodiment of the invention.
In the figure: 1-a blower; 2-high temperature resistant filter; 3-a heater; 4-strong cold air exhauster; 5-a heat-preservation shell; 6-heat preservation partition board; 7-a first electrically operated valve; 8-second electrically operated valve; 9-third electrically operated valve; 10-supplement of fresh air filter; 11-fresh air regulating valve; 12-a control cabinet; 13-an access door; 14-drying the heat preservation chamber body; 15-electric heat preservation door; 16-air supply nozzles; 17-return air adjustable tuyere; 18-rain cap for air exhaust; 19-a vent line; 20-an outdoor air taking chamber; 21-outdoor air intake pipeline; 22-a heat exchange chamber; 23-an exhaust chamber; 24-blast pipe; 25-a first air inlet; 26-a second air inlet; 27-fresh air inlet; 28-a temperature detector; 29-a third air inlet; 30-an air inlet pipeline; 31-an exhaust air adjusting room; 32-return air line; 33-a master controller; 34-a touch screen; 35-start button; 36-stop button; 37-emergency stop button; 38-a power regulator; 39-exhaust gas regulating valve; 40-exhaust gas pipeline; 41-timing unit.
Detailed Description
Example (b): referring to fig. 1-5, a drying temperature adjustable and rapid cooling shared system includes a drying and heat-preserving chamber 14, a forced cooling drying device is installed above the drying and heat-preserving chamber 14, the forced cooling drying device includes a heat-preserving casing 5, a heat-preserving partition plate 6 is arranged in the heat-preserving casing 5, the heat-preserving partition plate 6 is used for partitioning an inner cavity of the heat-preserving casing 5 into a heat exchange chamber 22 and an exhaust chamber 23, a heating component for heating air is arranged in the heat exchange chamber 22, and an exhaust component is arranged in the exhaust chamber 23; a control cabinet 12 for automated control is also included.
The heat-insulating shell 5 has the functions of heat insulation and heat insulation, so that heat in the heat exchange chamber 22 is prevented from leaking.
The heat-insulating partition plate 6 has the functions of heat insulation and heat insulation, and further prevents heat in the heat exchange chamber 22 from being transferred to the exhaust chamber 23.
The heating assembly comprises a heater 3 installed in the heat exchange chamber 22, and the heater 3 is used for heating the air in the heat exchange chamber 22.
The heater 3 is fixedly arranged in the heat exchange chamber 22, and the heater 3 is vertically arranged.
A partition is arranged between the heater 3 and the inner surface of the heat exchange chamber 22.
By the design, the air in the heat exchange chamber 22 can be heated through the heater 3, and when the air flows in the heat exchange chamber 22, the air can uniformly pass through the heater 3 due to the blocking of the partition plate, so that the heating effect of the heater 3 on the air can be improved, and the using effect is improved.
The heater 3 is an electric heater.
In addition to this embodiment, the heater 3 may also be a gas heater.
And a high-temperature resistant filter 2 is arranged on one side of the heater 3 in the heat exchange chamber 22, and the high-temperature resistant filter 2 is used for filtering air in the heat exchange chamber 22.
A blower 1 is fixedly installed on one side surface of the heat preservation shell 5 close to the heat exchange chamber 22, an air inlet of the blower 1 is communicated with the heat exchange chamber 22, and an air outlet of the blower 1 is communicated with an air supply pipe 24.
The other end of the blast pipe 24 is communicated with an air inlet of the drying and heat-preserving chamber body 14.
By such design, the blower 1 can be operated to suck the air in the heat exchange chamber 22 and deliver the air to the air delivery pipe 24 under pressure, and at this time, the air can be delivered into the drying and heat preservation chamber body 14 through the air delivery pipe 24.
When the heater 3 is started, the heater 3 is used for heating the air in the heat exchange chamber 22, and the blower 1 is started to suck the hot air in the heat exchange chamber 22;
and can be used for filtering the air through high temperature resistant filter 2 and then carry to blast pipe 24 in, blast pipe 24 is used for this hot-air water conservancy diversion to stoving heat preservation room body 14 in this moment, realizes letting in hot-air in the stoving heat preservation room body 14 to can be used for drying the work piece that has the paint through this hot-air, facilitate the use.
When the heater 3 stops working, the air in the heat exchange chamber 22 is normal temperature air, and at this time, the blower 1 is started to suck the normal temperature air in the heat exchange chamber 22.
And can be used for filtering the air and then carry to the blast pipe 24 in through high temperature resistant filter 2, the blast pipe 24 is used for this normal atmospheric temperature air water conservancy diversion to stoving heat preservation room body 14 in this moment, realizes letting in normal atmospheric temperature air in the stoving heat preservation room body 14 to can be used for cooling the work piece through this normal atmospheric temperature air, make the work piece cool to the normal atmospheric temperature.
A first air inlet 25 is formed in the position, close to the heat-insulating partition plate 6, above the heat-insulating shell 5, and the first air inlet 25 is communicated with the heat exchange chamber 22.
And a third electric valve 9 for controlling the on-off of the first air inlet 25 is installed at the position of the first air inlet 25.
By such design, the third electric valve 9 is operable to control the opening or closing of the first air inlet 25, and when the first air inlet 25 is opened, fresh external air can enter the heat exchange chamber 22 through the first air inlet 25.
When the first air inlet 25 is closed, external fresh air cannot enter the heat exchange chamber 22 through the first air inlet 25.
The first air inlet 25 is communicated with an outdoor air intake pipeline 21, the outdoor air intake pipeline 21 extends to the outdoor and is communicated with the outside atmosphere, and outdoor fresh air can enter the outdoor air intake pipeline 21.
One side of the outdoor air intake pipeline 21, which is far away from the first air inlet 25, is communicated with an outdoor air intake chamber 20, the outdoor air intake chamber 20 is pressed outside a workshop, and the outdoor air intake chamber 20 is communicated with the outside air through a vent hole.
By the design, the outdoor air intake pipeline 21 can be protected through the outdoor air intake chamber 20, and impurities such as external stones are prevented from entering the outdoor air intake pipeline 21.
A second air inlet 26 is formed in the position, close to the heat-insulating partition plate 6, below the heat-insulating shell 5, and the second air inlet 26 is communicated with the heat exchange chamber 22.
The position of the second air inlet 26 is provided with a first electric valve 7 for controlling the on-off of the second air inlet 26.
By this design, the first electric valve 7 can be operated to control the opening or closing of the second air inlet 26.
The second air inlet 26 is communicated with an air return pipeline 32, and the other end of the air return pipeline 32 is communicated with an air outlet of the drying and heat-preserving chamber body 14.
By the design, when the first electric valve 7 is opened, the air return pipeline 32 can be communicated with the heat exchange chamber 22, and at the moment, air in the drying and heat-preserving chamber body 14 can be conveyed into the heat exchange chamber 22 through the air return pipeline 32, so that the drying and heat-preserving chamber is convenient to use.
A fresh air inlet 27 is formed in the position, close to the heat insulation partition plate 6, of the heat insulation shell 5, and the fresh air inlet 27 is communicated with the heat exchange chamber 22.
Fresh air inlet 27 department installs benefit new trend filter 10, benefit new trend filter 10 is used for advancing the filtration to the air through fresh air inlet 27 department.
And a fresh air regulating valve 11 for controlling the opening or closing of the fresh air inlet 27 is arranged at the position of the fresh air inlet 27.
So design, accessible new trend governing valve 11 can be used for controlling opening or closing of new trend import 27, when new trend governing valve 11 opens, outside fresh air accessible new trend import 27 gets into heat transfer chamber 22 in to can be used for advancing the filtration to the air through new trend import 27 department through mending new trend filter 10, and then avoid outside impurity to get into in the heat transfer chamber 22.
A temperature detector 28 is arranged on the air supply pipe 24 at a position close to the drying and heat-preserving chamber body 14, and the detection end of the temperature detector 28 is positioned in the air supply pipe 24.
By means of the design, the temperature in the air supply pipe 24 can be detected constantly through the temperature detector 28, and the temperature in the air supply pipe 24 is guaranteed to be matched with the drying temperature of the painted workpiece.
The subassembly of airing exhaust is including installing strong cold exhaust fan 4 that is close to in the exhaust chamber 23 on heat preservation casing 5, the air inlet end and the exhaust chamber 23 intercommunication of strong cold exhaust fan 4, the air-out end intercommunication of strong cold exhaust fan 4 has exhaust duct 19, exhaust duct 19 extends to heat preservation casing 5's outside.
The forced cooling exhaust fan 4 is operated to suck the air in the exhaust chamber 23 and to pressurize and convey the air into the exhaust pipeline 19, and the exhaust pipeline 19 guides the air to the outside.
In this embodiment, the exhaust duct 19 extends to the outside of the production plant, and an exhaust rain hat 18 is mounted on the upper end of the exhaust duct 19.
Design like this, this exhaust pipe way 19 of accessible can be with the air water conservancy diversion in the exhaust pipe way 19 outside the workshop, facilitate the use.
And a third air inlet 29 is formed in the position, close to the heat-insulating partition plate 6, below the heat-insulating shell 5, and the third air inlet 29 is communicated with the exhaust chamber 23.
And a second electric valve 8 for controlling the on-off of the third air inlet 29 is installed at the position of the third air inlet 29.
By means of this design, the second electric valve 8 can be used to control the opening and closing of the third air inlet 29.
An air inlet pipeline 30 is communicated with the third air inlet 29, and the other end of the air inlet pipeline 30 is communicated with an air outlet of the drying and heat-preserving chamber body 14.
The air in the drying and heat-preserving chamber body 14 can be conveyed to the exhaust chamber 23 through the air inlet pipeline 30 and the third air inlet 29.
A plurality of access holes are formed in one side of the heat preservation shell 5, and access doors 13 are installed at the access holes respectively.
An inlet is formed in the drying and heat-preserving chamber body 14, and an electric heat-preserving door 15 is movably mounted at a position, close to the inlet, of the drying and heat-preserving chamber body 14.
The electric heat preservation door 15 is used for automatically opening or closing a workpiece inlet of the drying and heat preservation chamber body 14.
The electric heat preservation door 15 is in the prior art.
An air supply bellows is arranged on the inner surface of the drying and heat-preserving chamber body 14, the air supply pipe 24 is communicated with the air supply bellows, and a plurality of air supply nozzles 16 are arranged on the outer surface of the air supply bellows.
The air in the air supply pipe 24 can be delivered into the air supply bellows, and at this time, the air in the air supply bellows can be delivered into the drying and heat-preserving chamber body 14 through the air supply nozzle 16.
An exhaust adjusting chamber 31 is installed in the drying and heat-preserving chamber body 14, and the exhaust adjusting chamber 31 is communicated with an air outlet of the drying and heat-preserving chamber body 14.
By the design, one ends of the air inlet pipeline 30 and the air return pipeline 32 far away from the heat preservation shell 5 are respectively communicated with the air exhaust adjusting chamber 31 through corresponding air outlets.
A plurality of return air adjustable air ports 17 are formed in one side of the exhaust air adjusting chamber 31, and the inner cavity of the drying and heat preserving chamber body 14 is communicated with the exhaust air adjusting chamber 31 through the return air adjustable air ports 17.
An inserting plate is movably mounted on the return air adjustable air port 17, and the inserting plate can be used for adjusting the opening degree of the return air adjustable air port 17.
The design like this, its aperture can be adjusted through the picture peg to the adjustable wind gap 17 of return air, and then realizes adjusting the air output of the adjustable wind gap 17 of return air, and the air accessible adjustable wind gap 17 of return air in the heat preservation room body 14 of drying gets into in the control chamber 31 of airing exhaust this moment, and then the air in the control chamber 31 of airing exhaust can get into in air inlet pipe way 30 and the return air pipeline 32, facilitates the use.
An exhaust gas discharge pipeline 40 is communicated with the air supply pipe 24, and the other end of the exhaust gas discharge pipeline 40 is communicated with an external exhaust gas treatment device.
When the workpiece coated with the paint in the drying and heat-preserving chamber body 14 is dried, waste gas generated by drying can be conveyed into the external waste gas treatment device through the waste gas exhaust pipeline 40, and is discharged after reaching the standard through the external waste gas treatment device.
In this embodiment, the external exhaust gas treatment device is a prior art.
And an exhaust gas regulating valve 39 is installed on the exhaust gas discharging pipeline 40, and the exhaust gas regulating valve 39 is used for controlling the on-off of the exhaust gas discharging pipeline 40.
A main controller 33 is installed in the control cabinet 12, and a touch screen 34, a start button 35, a stop button 36 and an emergency stop button 37 are installed on the outer surface of the control cabinet 12.
The communication end of the main controller 33 is electrically connected with the touch screen 34 in a bidirectional manner, and the touch screen 34 is used for inputting and adjusting working parameters and displaying a working state.
The output ends of the start button 35, the stop button 36 and the emergency stop button 37 are electrically connected with the input end of the main controller 33 respectively.
In this embodiment, the main controller 33 may adopt one of a PLC or a single chip microcomputer, and both the main controller 33 and the touch screen 34 are in the prior art and can be obtained by direct purchase on the market.
The output end of the temperature detector 28 is electrically connected with the input end of the main controller 33.
The temperature detector 28 detects the real-time temperature of the air in the air supply duct 24 at any time, and sends the real-time temperature to the main controller 33 at any time.
The output end of the main controller 33 is electrically connected to a power regulator 38, and the output end of the power regulator 38 is electrically connected to the control end of the heater 3.
The main controller 33 sends a control signal to control the power of the heater 3 through the power regulator 38, thereby regulating the heating amount of the heater 3.
A preset temperature threshold is arranged in the main controller 33, and after the real-time temperature detected by the temperature detector 28 is sent to the main controller 33, the main controller 33 compares the real-time temperature with the preset temperature threshold.
When the real-time temperature is lower than the preset temperature threshold, which indicates that the real-time temperature of the air in the air supply pipe 24 is too low, the main controller 33 sends a control signal to control the power of the heater 3 through the power regulator 38, so as to increase the heating amount of the heater 3, and match the real-time temperature with the preset temperature threshold.
When the real-time temperature is greater than the preset temperature threshold, which indicates that the real-time temperature of the air in the blast pipe 24 is too high, the main controller 33 sends a control signal to control the power of the heater 3 through the power regulator 38, so as to reduce the heating amount of the heater 3, and match the real-time temperature with the preset temperature threshold.
In the present embodiment, the preset temperature threshold is set according to the drying temperature of the paint, such as 80 ℃, 120 ℃, 140 ℃, 180 ℃, 220 ℃ and the like.
The output end of the main controller 33 is electrically connected with the control end of the blower 1, and the main controller 33 outputs a control signal to control the blower 1 to start or stop.
The output of main control unit 33 and the control end electric connection of forced-cooling exhaust fan 4, main control unit 33 output control signal steerable forced-cooling exhaust fan 4 starts or stops.
The output end of the main controller 33 is electrically connected to the control end of the first electrically operated valve 7, and the main controller 33 outputs a control signal to control the first electrically operated valve 7 to open or close.
The output end of the main controller 33 is electrically connected to the control end of the second electrically operated valve 8, and the main controller 33 outputs a control signal to control the second electrically operated valve 8 to open or close.
The output end of the main controller 33 is electrically connected to the control end of the third electrically operated valve 9, and the main controller 33 outputs a control signal to control the third electrically operated valve 9 to open or close.
The output of main control unit 33 and fresh air adjusting valve 11's control end electric connection, main control unit 33 output control signal steerable fresh air adjusting valve 11 opens or closes.
The output end of the main controller 33 is electrically connected with the control end of the waste gas regulating valve 39, and the main controller 33 outputs a control signal to control the waste gas regulating valve 39 to be opened or closed.
The output end and the input end of the main controller 33 are electrically connected to a timing unit 41, and the timing unit 41 is used for timing the working time of the adjustable drying temperature and rapid cooling shared system.
By adopting the technical scheme, the invention has simple integral structure and high automation degree, can carry out drying operation or forced cooling operation according to the working condition requirement, has complete integral functions, can be used as a circulating fan or a forced cooling air feeder for drying, can filter hot air or cold air through a high-temperature-resistant filter, can quickly cool a heater by taking air from the outside of a workshop and conveying the air into a heat exchange chamber when cooling, and can quickly cool a workpiece by conveying the normal-temperature air into a drying and heat-preserving chamber through the air feeder so as to achieve the aim of saving energy.
The invention also provides a use method of the adjustable drying temperature and quick cooling sharing system, and based on the adjustable drying temperature and quick cooling sharing system, the method comprises a workpiece placing process, a drying process and a strong cooling process.
The workpiece placing process comprises the following steps:
g1, opening the electric heat preservation door 15, then placing the painted workpiece in the drying heat preservation chamber body 14, and closing the electric heat preservation door 15 after the placement is finished.
The drying process comprises the following steps:
h1, starting the adjustable drying temperature and quick cooling shared system, setting a preset temperature threshold according to the drying temperature of the paint, and setting the drying operation time according to the drying temperature of the paint; then the main controller 33 opens the first electric valve 7, closes the second electric valve 8 and the third electric valve 9, and then the main controller 33 starts the blower 1 and the heater 3 in sequence, at this time, the air in the drying and heat-preserving chamber body 14 enters the heat exchange chamber 22 through the exhaust adjusting chamber 31, the air return pipeline 32 and the first electric valve 7.
In the step H1, the preset temperature threshold is set according to the drying temperature of the paint, such as 80 ℃, 120 ℃, 140 ℃, 180 ℃, 220 ℃ and the like.
In step H1, the drying time is set according to the drying temperature of the paint, and when the drying temperature of the paint is 80 ℃, the drying time is 30 min;
when the drying temperature of the paint is 120 ℃, the drying time is 20 min;
when the drying temperature of the paint is 140 ℃, the drying operation time is 40 min;
when the drying temperature of the paint is 180 ℃, the drying operation time is 40 min;
when the drying temperature of the paint is 220 ℃, the drying time is 40 min.
H2 and a heater 3 work to heat the air in the heat exchange chamber 22, then the hot air is filtered by a high temperature resistant filter 2, at the moment, a blower 1 delivers the hot air into a blower nozzle 16 through a blower pipe 24, at the moment, the blower nozzle 16 outputs the hot air to enter the drying heat preservation chamber body 14, and at the moment, the hot air carries out drying operation on the workpieces in the drying heat preservation chamber body 14.
H3 and the temperature detector 28 detect the real-time temperature of hot air in the blast pipe 24 at any time, the detected real-time temperature is sent to the main controller 33, at the moment, the main controller 33 compares the real-time temperature with a preset temperature threshold, and then the main controller 33 sends a control signal according to the comparison result to control the power of the heater 3 through the power regulator 38, so as to adjust the heating amount of the heater 3, and the real-time temperature is matched with the preset temperature threshold.
In step H3, when the real-time temperature is lower than the preset temperature threshold, which indicates that the real-time temperature of the air in the air supply duct 24 is too low, the main controller 33 sends a control signal to control the power of the heater 3 through the power regulator 38, so as to increase the heating amount of the heater 3, and match the real-time temperature with the preset temperature threshold.
In step H3, when the real-time temperature is greater than the preset temperature threshold, which indicates that the real-time temperature of the air in the air supply pipe 24 is too high, the main controller 33 sends a control signal to control the power of the heater 3 through the power regulator 38, so as to reduce the heating amount of the heater 3, and match the real-time temperature with the preset temperature threshold.
H4 and the main controller 33 send control signals to control the fresh air regulating valve 11 and the waste gas regulating valve 39 to be opened, at the moment, external fresh air can be filtered through the fresh air supplementing filter 10 and then enters the heat exchange chamber 22 through the fresh air inlet 27, and fresh air is supplemented into the heat exchange chamber 22;
and the waste gas generated by drying the workpiece in the drying and heat-preserving chamber body 14 enters the heat exchange chamber 22 through the exhaust adjusting chamber 31, the air return pipeline 32 and the first electric valve 7, and then is conveyed into the air supply pipe 24 by the blower 1, at the moment, a part of the waste gas is conveyed into the waste gas exhaust pipeline 40, and the waste gas exhaust pipeline 40 guides the waste gas into an external waste gas treatment device for treatment, and the waste gas is discharged after reaching the standard.
H5 and a timing unit 41 count the working time of the drying process, when the counted time of the timing unit 41 reaches the drying working time, the drying process is finished, the painted workpiece is dried, and at this time, the main controller 33 controls the blower 1 and the heater 3 to be turned off.
The forced cooling process comprises the following steps:
l1, starting the adjustable drying temperature and quick cooling sharing system, setting the forced cooling operation time according to the working condition of the workpiece, then opening the third electric valve 9 and the second electric valve 8 by the main controller 33, closing the first electric valve 7 and the heater 3, then sequentially opening the air feeder 1 and the forced cooling exhaust fan 4 by the main controller 33, then enabling external fresh air to enter the heat exchange chamber 22 through the outdoor air intake pipeline 21 and the third electric valve 9, then closing the heater 3 to not heat the fresh air, enabling the fresh air to pass through the non-working heater 3 and the high temperature resistant filter 2, then conveying the fresh air into the air supply nozzle 16 by the air feeder 1, then outputting the normal temperature fresh air by the air supply nozzle 16 to enter the drying and heat preserving chamber body 14, and then cooling the workpiece in the drying and heat preserving chamber body 14 by the fresh air.
The air in the L2 and the drying and heat-preserving chamber body 14 enters the air exhaust adjusting chamber 31 and then enters the air exhaust chamber 23 through the air inlet pipeline 30, the forced cooling air exhaust fan 4 works to exhaust the air in the air exhaust chamber 23, the forced cooling air supply and exhaust function is realized, and further the forced cooling air exhaust fan is used for cooling the workpiece in the drying and heat-preserving chamber body 14.
L3, the timing unit 41 counts the working time of the forced cooling process, when the counted time of the timing unit 41 reaches the forced cooling working time, the forced cooling process is completed, the workpiece is cooled, and the main controller 33 controls the blower 1 and the forced cooling exhaust fan 4 to be closed.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.

Claims (10)

1. The utility model provides an adjustable stoving temperature and quick cooling sharing system, includes stoving incubation chamber body (14), its characterized in that: a forced cooling drying device is arranged above the drying and heat-insulating chamber body (14), the forced cooling drying device comprises a heat-insulating shell (5), a heat-insulating partition plate (6) is arranged in the heat-insulating shell (5), the heat-insulating partition plate (6) is used for partitioning the inner cavity of the heat-insulating shell (5) into a heat exchange chamber (22) and an exhaust chamber (23), a heating assembly for heating air is arranged in the heat exchange chamber (22), and an exhaust assembly is arranged in the exhaust chamber (23); the device also comprises a control cabinet (12) for carrying out automatic control.
2. The system of claim 1, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: the heating assembly comprises a heater (3), and the heater (3) is fixedly arranged in the heat exchange chamber (22); a high temperature resistant filter (2) is arranged at one side of the heater (3) in the heat exchange chamber (22).
3. The system of claim 2, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: the heat preservation shell (5) is provided with a blower (1), an air inlet of the blower (1) is communicated with the heat exchange chamber (22), an air outlet of the blower (1) is communicated with an air supply pipe (24), and the other end of the air supply pipe (24) is communicated with an air inlet of the drying heat preservation chamber body (14).
4. The system of claim 3, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: the heat preservation shell (5) is provided with a first air inlet (25) and a second air inlet (26), the first air inlet (25) and the second air inlet (26) are communicated with the heat exchange chamber (22) respectively, the position of the first air inlet (25) is provided with a third electric valve (9), the first air inlet (25) is communicated with an outdoor air intake pipeline (21), the other end of the outdoor air intake pipeline (21) is communicated with the external atmosphere, the position of the second air inlet (26) is provided with a first electric valve (7), the second air inlet (26) is communicated with a return air pipeline (32), and the other end of the return air pipeline (32) is communicated with an air outlet of the drying heat preservation chamber body (14).
5. The system of claim 4, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: the heat preservation shell (5) is provided with a fresh air inlet (27), the fresh air inlet (27) is communicated with the heat exchange chamber (22), and a fresh air supplementing filter (10) and a fresh air regulating valve (11) for controlling the opening or closing of the fresh air inlet (27) are installed at the fresh air inlet (27).
6. The system of claim 5, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: the exhaust assembly comprises a strong cold exhaust fan (4) installed on the heat preservation shell (5), the air inlet end of the strong cold exhaust fan (4) is communicated with an exhaust chamber (23), the air outlet end of the strong cold exhaust fan (4) is communicated with an exhaust pipeline (19), and the exhaust pipeline (19) extends to the outside of the heat preservation shell (5).
7. The system of claim 6, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: a third air inlet (29) is formed in the heat preservation shell (5), the third air inlet (29) and the exhaust chamber (23) are arranged, a second electric valve (8) is installed at the position of the third air inlet (29), an air inlet pipeline (30) is communicated with the third air inlet (29), and the other end of the air inlet pipeline (30) is communicated with an air outlet of the drying heat preservation chamber body (14).
8. The system of claim 7, wherein the drying temperature is adjustable and the cooling rate is adjustable, and the system comprises: a main controller (33) is installed in the control cabinet (12), the input end of the main controller (33) is electrically connected with a temperature detector (28), the temperature detector (28) is installed in the blast pipe (24), and a temperature preset threshold value is arranged in the main controller (33); the output end of the main controller (33) is electrically connected with a power regulator (38), and the output end of the power regulator (38) is electrically connected with the control end of the heater (3);
the control ends of the air feeder (1), the forced cooling exhaust fan (4), the first electric valve (7), the second electric valve (8), the third electric valve (9), the fresh air regulating valve (11) and the waste gas regulating valve (39) are respectively and electrically connected with the output end of the main controller (33);
the output end and the input end of the main controller (33) are electrically connected with a timing unit (41).
9. The use method of the adjustable drying temperature and rapid cooling shared system according to any one of claims 1 to 8 is characterized in that: the using method comprises a workpiece placing process, a drying process and a forced cooling process;
the workpiece placing process comprises the following steps:
g1, placing the painted workpiece in a drying and heat-preserving chamber body (14);
the drying process comprises the following steps:
h1, setting a preset temperature threshold value and a drying operation time according to the drying temperature of the paint, opening a first electric valve (7) by a main controller (33), closing a second electric valve (8) and a third electric valve (9), starting a blower (1) and a heater (3) in sequence, and enabling air in a drying and heat-preserving chamber body (14) to enter a heat exchange chamber (22);
h2, a heater (3) works to heat the air in the heat exchange chamber (22), the hot air is filtered by a high-temperature resistant filter (2), and a blower (1) conveys the hot air into a drying and heat-preserving chamber body (14) for drying the workpiece;
h3, a temperature detector (28) detects the real-time temperature of hot air in the blast pipe (24) and sends the real-time temperature to a main controller (33), the main controller (33) compares the real-time temperature with a preset temperature threshold, the main controller (33) sends out a control signal according to the comparison result and controls the power of the heater (3) through a power regulator (38) so as to adjust the heating quantity of the heater (3) and enable the real-time temperature to be matched with the preset temperature threshold;
h4, a main controller (33) sends out control signals to control a fresh air regulating valve (11) and a waste gas regulating valve (39) to be opened, external fresh air can enter a heat exchange chamber (22) after being filtered by a fresh air supply filter (10), waste gas generated in a drying and heat preservation chamber body (14) is conveyed to an external waste gas treatment device through a waste gas exhaust pipeline (40) to be treated and is discharged after reaching the standard;
h5 and a timing unit (41) time the working time of the drying process, the drying process is completed, and the main controller (33) controls the air blower (1) and the heater (3) to be closed.
10. The use method of the adjustable drying temperature and rapid cooling shared system according to claim 9, characterized in that: the strong cooling process comprises the following steps:
l1, setting forced cooling operation time according to the working condition of a workpiece, opening a third electric valve (9) and a second electric valve (8) by a main controller (33), closing a first electric valve (7) and a heater (3), starting a blower (1) and a forced cooling exhaust fan (4) in sequence, enabling external fresh air to enter a heat exchange chamber (22) through an outdoor air intake pipeline (21), filtering through a high-temperature-resistant filter (2), and then conveying into a drying and heat-preserving chamber body (14) through the blower (1);
l2, air in the drying and heat-preserving chamber body (14) enters the exhaust chamber (23) through the air inlet pipeline (30), and the forced cooling exhaust fan (4) exhausts the air to realize the cooling operation of the workpiece;
l3, a time unit (41) counts the working time of the forced cooling process, and after the forced cooling process is finished, a main controller (33) controls the air blower (1) and the forced cooling exhaust fan (4) to be closed.
CN202111599681.4A 2021-12-24 2021-12-24 Adjustable drying temperature and rapid cooling shared system and use method Active CN114427782B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115328012A (en) * 2022-07-28 2022-11-11 中国第一汽车股份有限公司 Control system, control method and equipment for coating drying furnace and storage medium
CN116037428A (en) * 2022-12-09 2023-05-02 河南均美铝业有限公司 Aluminum profile spraying and drying system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949477A (en) * 2015-07-03 2015-09-30 河南天赫伟业能源科技有限公司 Solar-assisted intelligent high-temperature heat pump drying system
CN205536935U (en) * 2016-03-30 2016-08-31 常州新马干燥工程有限公司 Split type drying oven
CN206469594U (en) * 2016-12-20 2017-09-05 珠海格力电器股份有限公司 A kind of heat pump dryer
CN208567335U (en) * 2018-06-06 2019-03-01 青岛安惠仕生物制药有限公司 Baking oven is used in a kind of production of medicinal powder
CN111336783A (en) * 2020-04-02 2020-06-26 扬州大学 High-temperature heat pump grain drying system based on waste heat recovery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949477A (en) * 2015-07-03 2015-09-30 河南天赫伟业能源科技有限公司 Solar-assisted intelligent high-temperature heat pump drying system
CN205536935U (en) * 2016-03-30 2016-08-31 常州新马干燥工程有限公司 Split type drying oven
CN206469594U (en) * 2016-12-20 2017-09-05 珠海格力电器股份有限公司 A kind of heat pump dryer
CN208567335U (en) * 2018-06-06 2019-03-01 青岛安惠仕生物制药有限公司 Baking oven is used in a kind of production of medicinal powder
CN111336783A (en) * 2020-04-02 2020-06-26 扬州大学 High-temperature heat pump grain drying system based on waste heat recovery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115328012A (en) * 2022-07-28 2022-11-11 中国第一汽车股份有限公司 Control system, control method and equipment for coating drying furnace and storage medium
CN116037428A (en) * 2022-12-09 2023-05-02 河南均美铝业有限公司 Aluminum profile spraying and drying system

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