CN211451586U - Heat pump drying system - Google Patents
Heat pump drying system Download PDFInfo
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- CN211451586U CN211451586U CN201922425147.6U CN201922425147U CN211451586U CN 211451586 U CN211451586 U CN 211451586U CN 201922425147 U CN201922425147 U CN 201922425147U CN 211451586 U CN211451586 U CN 211451586U
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Abstract
The utility model discloses a heat pump drying system, include: a drying room; the heating chamber is communicated with the drying room to form an airflow circulation loop and comprises a condenser, the condenser is arranged in the heating chamber, and the condenser heats the air in the heating chamber; the humidity sensor is arranged in the drying room; dehumidification cavity, dehumidification cavity set up outside the stoving room, and the dehumidification cavity includes: the air inlet is communicated with the drying room; the gas outlet is communicated with the heating chamber; the evaporator is arranged in the dehumidification chamber and condenses water vapor in the dehumidification chamber; the first fan is arranged in the air inlet; and the controller receives a signal transmitted by the humidity sensor and controls the rotating speed of the first fan. The utility model discloses a heat pump drying system can adjust the quantity of gas that gets into the dehumidification cavity, improves energy efficiency, and it is extravagant to reduce the energy. The utility model discloses can be applied to in the drying equipment.
Description
Technical Field
The utility model relates to a drying equipment field, in particular to heat pump drying system.
Background
Drying and dehumidification are indispensable manufacturing procedure in many industrial product course of working, and the environmental protection drying technology commonly used at present adopts heat pump drying technique, and heat pump drying technique is through absorbing the heat of outside air and transferring it to the stoving room in, realizes the temperature in stoving room and improves, makes the moisture evaporation that the material contained in the stoving room come out, through the process of condensation drainage, discharges the moisture in the material to reach the purpose of drying and dehumidification. However, the heat loss of the high-temperature air is large in the process of condensation and drainage, and the efficiency of energy utilization of the existing heat pump drying technology is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat pump drying system to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
a heat pump drying system comprising:
the drying room is provided with an accommodating space;
the heating chamber is communicated with the drying room to form an airflow circulation loop, the heating chamber comprises a condenser, the condenser is arranged in the heating chamber, and the condenser heats the gas in the heating chamber;
the humidity sensor is arranged in the drying room;
a dehumidification chamber disposed outside the drying room, the dehumidification chamber including:
the air inlet is communicated with the drying room;
the air outlet is communicated with the heating chamber;
an evaporator disposed in the dehumidification chamber, the evaporator condensing water vapor in the dehumidification chamber;
a first fan disposed in the air inlet;
and the controller receives the signal transmitted by the humidity sensor and controls the rotating speed of the first fan.
The utility model has the advantages that: the humidity sensor measures the humidity in the drying room and transmits a signal to the controller, the controller adjusts the rotating speed of the first fan according to the humidity measured value of the humidity sensor, and the rotating speed of the first fan influences the amount of gas entering the dehumidifying chamber; when the humidity in the drying room is low, the rotating speed of the first fan is low, the amount of gas entering the dehumidifying cavity is reduced, and the heat consumed in the dehumidifying cavity is reduced; when the humidity in the drying room is higher, the rotating speed of the first fan is high, the amount of gas entering the dehumidifying cavity is increased, and the dehumidifying effect of the gas is improved; thereby improving the energy utilization efficiency of the heat pump drying system and reducing energy waste.
As a further improvement of the above technical solution, the method further comprises:
the air outlet of the dehumidification chamber is communicated with the mixing chamber, and the air outlet end of the mixing chamber is communicated with the heating chamber;
the air inlet end of the air supply channel is communicated with the heating cavity, and the air outlet end of the air supply channel is communicated with the drying room;
the air return passageway, the air inlet end intercommunication of air return passageway the stoving room, the air-out end intercommunication of air return passageway the hybrid chamber, the air return passageway is including the second fan, the second fan set up in the air inlet end of air return passageway, heat the cavity the air supply channel the stoving room the air return passageway the hybrid chamber communicates in proper order and forms the air current circulation circuit.
The gas outlet and the mixing chamber intercommunication of dehumidification cavity, the gas that is cooled down and dehumidifies in the dehumidification cavity gets into mixing chamber, mix in mixing chamber with the high-temperature gas who returns in the stoving room, gas after the mixture gets into and heats in the heating chamber, gas after the mixture is heated is carried the stoving room from the air supply passageway again in, the gas that is cooled down and dehumidifies in avoiding the separate heating dehumidification cavity, be favorable to heating the gas temperature after the chamber heating and maintain at stable within range, thereby improve heat pump drying system's stability.
As a further improvement of the above technical solution, the air inlet of the dehumidification chamber is disposed in the return air channel.
The air inlet and the return air passageway intercommunication of dehumidification cavity, the branch of dehumidification cavity conduct return air passageway, and the stoving room only communicates with air supply channel, return air passageway, avoids the dehumidification cavity to influence the air current direction in the stoving room, is favorable to the high-efficient orderly business turn over of gas in the stoving room to flow to improve heat pump drying system's drying efficiency, it is extravagant to reduce the energy.
As a further improvement of the above technical solution, the return air channel further includes a third fan, the third fan is disposed in the return air channel, and the air inlet of the dehumidification chamber is disposed between the second fan and the third fan.
Set up the third fan and blow the gas in the return air passageway to mixing chamber in, be favorable to stabilizing the gas flow direction in the return air passageway, reduce the influence that first fan caused to the gas flow direction in the return air passageway.
As a further improvement of the technical scheme, the humidity sensor is arranged in the air inlet end of the return air channel.
The humidity inductor is arranged in the air inlet end of the air return channel, the accurate humidity of air after materials are dried in the drying room can be detected, and the controller controls the rotating speed of the first fan according to an accurate humidity measured value, so that the precision of the heat pump drying system is improved.
As a further improvement of the above technical solution, the dehumidification chamber further includes a water pan and a drain pipe, the water pan is disposed below the evaporator, a water inlet of the drain pipe is communicated with the water pan, and a water outlet of the drain pipe is communicated with the outside.
On collecting the water collector with the water droplet that appears behind the vapor in the evaporimeter condensation dehumidification cavity, in time discharge the external world through the drain pipe, avoid the comdenstion water to gather for a long time, keep the drying of dehumidification cavity, reduce the comdenstion water and gather the influence to evaporimeter condensation efficiency.
As a further improvement of the technical scheme, the first fan is a variable frequency fan.
The first fan adopts a variable frequency fan, the rotating speed is convenient to control, and the variable frequency fan saves more energy.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of an embodiment of a heat pump drying system provided by the present invention, wherein the arrow direction indicates the gas flowing direction.
100. The drying room comprises a drying room body, 101, a humidity sensor, 200, a heating chamber body, 201, a condenser, 300, a dehumidifying chamber body, 301, an air inlet, 302, an evaporator, 303, a first fan, 304, an air outlet, 306, a water receiving disc, 307, a drain pipe, 400, a mixing chamber body, 500, an air supply channel, 600, an air return channel, 601, a second fan, 602, a third fan, 700 and a controller.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the heat pump drying system of the present invention makes the following embodiments:
the drying room 100 is provided with a closed accommodating space therein, the drying room 100 is used for placing materials to be dried, the drying room 100 is provided with a door for the materials to enter and exit, and the door of the drying room 100 can be closed or opened. The air outlet end of the air supply channel 500 is communicated with the drying room 100, the air inlet end of the return air channel 600 is communicated with the drying room 100, the air supply channel 500 conveys air to the drying room 100, a fan can be arranged in the air supply channel 500, the air in the air supply channel 500 is blown to the drying room 100 by the fan, and the air in the drying room 100 leaves from the return air channel 600.
The air inlet end of the return air channel 600 is communicated with the drying room 100, the air outlet end of the return air channel 600 is communicated with the mixing chamber 400 and the dehumidifying chamber 300, the return air channel 600 is provided with a second fan 601, the second fan 601 is arranged at the air inlet end, the second fan 601 blows air in the drying room 100 to the return air channel 600, the air in the return air channel 600 flows to the dehumidifying chamber 300 and the mixing chamber 400, in order to ensure that the air in the return air channel 600 is respectively blown to the dehumidifying chamber 300 and the mixing chamber 400, the air outlet end of the return air channel 600 can be provided with a third fan 602, the air in the return air channel 600 is blown to the mixing chamber 400 by the third fan 602, the air inlet 301 of the dehumidifying chamber 300 is arranged in the return air channel 600, the air inlet 301 is arranged between the second fan 601 and the third fan 602, the first fan 303 is arranged in the air inlet 301, the first fan 303 blows partial air in the return air channel 600 to the dehumidifying chamber 300, be provided with evaporimeter 302 in the dehumidification chamber 300, evaporimeter 302 is arranged in condensing the vapor in the dehumidification chamber 300, evaporimeter 302 below is provided with water collector 306, water collector 306 bottom intercommunication drain pipe 307 water inlet, the delivery port of drain pipe 307 communicates the outside, the drain pipe 307 discharges the water that water collector 306 was collected to the outside, the air-out end intercommunication mixing chamber 400 of dehumidification chamber 300, the dehumidification chamber 300 carries the gas after the cooling dehumidification in mixing chamber 400, first fan 303 is the speed governing fan, second fan 601 and third fan 602 can be the constant velocity blower, the speed governing fan.
The air return channel 600 is provided with a humidity sensor 101 in the air inlet end, the humidity sensor 101 monitors the air humidity of the drying room 100 after drying the materials, the humidity sensor 101 is electrically connected with the controller 700, the controller 700 is electrically connected with the first fan 303, the humidity sensor 101 transmits the humidity measured value to the controller 700, the controller 700 controls the rotating speed of the first fan 303 according to the humidity measured value of the humidity sensor 101, the first fan 303 is a variable frequency fan, when the humidity measured by the humidity sensor 101 is large, the rotating speed of the first fan 303 is large, the amount of air entering the dehumidifying chamber 300 is large, the amount of cooled and dehumidified air is large, when the humidity measured by the humidity sensor 101 is small, the rotating speed of the first fan 303 is small, the amount of air entering the dehumidifying chamber 300 is small, and the amount of cooled and dehumidified air is small.
The air inlet end of mixing chamber 400 communicates with dehumidification cavity 300, return air passageway 600 respectively, and mixing chamber 400's air-out end and heating chamber 200's air inlet end intercommunication, and during the part high-temperature gas in the stoving room 100 directly got into mixing chamber 400 through return air passageway 600, another part high-temperature gas in the stoving room 100 got into mixing chamber 400 through dehumidification chamber 300 cooling dehumidification back, and the gas that is dehumidified by the cooling got into mixing chamber 400 and mixes with high-temperature gas. The air outlet end of the mixing chamber 400 is communicated with the air inlet end of the heating chamber 200, the mixing chamber 400 conveys the mixed gas to the heating chamber 200, a fan can be arranged at the air outlet end of the mixing chamber 400, and the fan blows the gas in the mixing chamber 400 to the heating chamber 200.
The air inlet end of heating cavity 200 communicates the air-out end of mixing chamber 400, the air-out end of heating cavity 200 communicates the air inlet end of air supply channel 500, air-out end and well setting up the fan at heating cavity 200, the fan blows the gas in heating cavity 200 to air supply channel 500, be provided with condenser 201 in the heating cavity 200, mixing chamber 400 carries the mist to heating cavity 200, condenser 201 heats the mist, the mist after the heating passes through air supply channel 500 and carries in stoving room 100, set up the fan in air supply channel 500, the fan blows the gas in air supply channel 500 to in stoving room 100.
The heat pump drying system also comprises a compressor and a throttle valve, wherein the compressor, a condenser 201, the throttle valve and an evaporator 302 are sequentially connected to form a circulating closed loop, a refrigerant circularly flows in the circulating loop, when the heat pump drying system operates, the compressor compresses the refrigerant from low-temperature low-pressure gas into high-temperature high-pressure gas, the high-temperature high-pressure gaseous refrigerant is condensed into medium-temperature high-pressure liquid through the condenser 201, the refrigerant is condensed in the condenser 201 to release heat, so that the condenser 201 can heat gas in the heating chamber 200, the medium-temperature high-pressure liquid refrigerant is throttled by the throttle valve and becomes low-temperature low-pressure liquid, the low-temperature low-pressure liquid refrigerant is sent into the evaporator 302, the evaporator 302 absorbs heat and evaporates to become low-temperature low-pressure gas, the refrigerant evaporates in the evaporator 302 to absorb heat, so that the evaporator, the low-temperature and low-pressure gaseous refrigerant is sent to the compressor again, and the refrigerant is circulated through the compressor, the condenser 201, the throttle valve, and the evaporator 302.
When the heat pump drying system is operated, the condenser 201 heats the air in the heating chamber 200, the heated high-temperature air enters the drying chamber 100 through the air supply channel 500, the high-temperature air raises the temperature in the drying chamber 100, the high-temperature air evaporates the moisture contained in the material to be dried in the drying chamber 100 to form high-temperature high-humidity air which leaves the drying chamber 100 from the return air channel 600, the second fan 601 blows the high-temperature high-humidity air in the drying chamber 100 to the return air channel 600, when part of the high-temperature high-humidity air in the drying chamber 100 passes through the air inlet 301 of the dehumidifying chamber 300, the high-temperature high-humidity air is blown to the dehumidifying chamber 300 by the first fan 303, the high-temperature high-humidity air entering the dehumidifying chamber 300 is condensed by the evaporator 302, the water vapor in the high-temperature high-humidity air is condensed into water by the evaporator 302, the condensed water is collected by the water receiving tray 306 below the, the high-temperature and high-humidity gas is cooled and dehumidified to become low-temperature dry gas, and the low-temperature dry gas enters the mixing chamber 400 from the dehumidifying chamber 300.
The humidity sensor 101 in the air inlet end of the return air channel 600 measures the humidity of the air entering the return air channel 600, the humidity sensor 101 transmits the humidity measured value to the controller 700, and the controller 700 adjusts the rotating speed of the first fan 303 according to the humidity of the drying room 100. The larger the humidity measured value of the humidity sensor 101 is, the larger the rotating speed of the first fan 303 is, the more the amount of the high-temperature and high-humidity gas blown into the dehumidifying chamber 300 by the first fan 303 is, the more the amount of the high-temperature and high-humidity gas in the air return channel 600 is cooled and dehumidified, and the higher the dryness degree of the mixed gas in the mixing chamber 400 is; the smaller the humidity measurement value of the humidity sensor 101 is, the smaller the rotation speed of the first fan 303 is, the smaller the amount of the high-temperature and high-humidity gas blown into the dehumidifying chamber 300 by the first fan 303 is, the smaller the amount of the high-temperature and high-humidity gas in the air return channel 600 is cooled and dehumidified, the higher the temperature of the mixed gas in the mixing chamber 400 is, the less heat is consumed when the mixed gas enters the heating chamber 200, and the energy is saved.
The other part of high-temperature high-humidity gas in the drying room 100 enters the mixing chamber 400 through the return air channel 600, the low-temperature dry gas in the dehumidifying chamber 300 enters the mixing chamber 400 to be mixed with the high-temperature high-humidity gas to form medium-temperature medium-humidity gas after mixing, the medium-temperature medium-humidity gas enters the heating chamber 200 to be heated into high-temperature medium-humidity gas by the condenser 201 to enter the air supply channel 500, the high-temperature medium-humidity gas flows into the drying room 100, the high-temperature medium-humidity gas evaporates moisture contained in the materials to be dried in the drying room 100 to form high-temperature high-humidity gas which continuously flows in a closed cycle in the heat pump drying system.
Wherein the gas may be air or an inert gas.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a heat pump drying system which characterized in that: the method comprises the following steps:
the drying room (100), the drying room (100) is provided with an accommodating space;
the heating chamber (200) is communicated with the drying room (100) to form an airflow circulation loop, the heating chamber (200) comprises a condenser (201), the condenser (201) is arranged in the heating chamber (200), and the condenser (201) heats the gas in the heating chamber (200);
a humidity sensor (101), wherein the humidity sensor (101) is arranged in the drying room (100);
a dehumidification chamber (300), the dehumidification chamber (300) being disposed outside the drying chamber (100), the dehumidification chamber (300) comprising:
the air inlet (301), the air inlet (301) is communicated with the drying room (100);
an air outlet (304), the air outlet (304) communicating with the heating chamber (200);
an evaporator (302), the evaporator (302) being disposed in the dehumidification chamber (300), the evaporator (302) condensing water vapor in the dehumidification chamber (300);
a first fan (303), the first fan (303) being disposed in the air inlet (301);
the controller (700) receives the signal transmitted by the humidity sensor (101), and the controller (700) controls the rotating speed of the first fan (303).
2. The heat pump drying system of claim 1, wherein: further comprising:
a mixing chamber (400), wherein the air outlet (304) of the dehumidifying chamber (300) is communicated with the mixing chamber (400), and the air outlet end of the mixing chamber (400) is communicated with the heating chamber (200);
the air inlet end of the air supply channel (500) is communicated with the heating chamber (200), and the air outlet end of the air supply channel (500) is communicated with the drying room (100);
return air passageway (600), the air inlet end intercommunication of return air passageway (600) stoving room (100), the air-out end intercommunication of return air passageway (600) mixing chamber (400), return air passageway (600) is including second fan (601), second fan (601) set up in the air inlet end of return air passageway (600), heat cavity (200) air supply passageway (500) stoving room (100) return air passageway (600) mixing chamber (400) communicate in proper order and form air current circulation circuit.
3. The heat pump drying system of claim 2, wherein: the air inlet (301) of the dehumidifying chamber (300) is provided in the return air passage (600).
4. The heat pump drying system of claim 3, wherein: the return air channel (600) further comprises a third fan (602), the third fan (602) is arranged in the return air channel (600), and the air inlet (301) of the dehumidification chamber (300) is arranged between the second fan (601) and the third fan (602).
5. The heat pump drying system of claim 2, wherein: the humidity sensor (101) is arranged in an air inlet end of the air return channel (600).
6. The heat pump drying system of claim 1, wherein: the dehumidification chamber (300) further comprises a water pan (306) and a drain pipe (307), the water pan (306) is arranged below the evaporator (302), a water inlet of the drain pipe (307) is communicated with the water pan (306), and a water outlet of the drain pipe (307) is communicated with the outside.
7. The heat pump drying system of claim 1, wherein: the first fan (303) is a variable frequency fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425147.6U CN211451586U (en) | 2019-12-27 | 2019-12-27 | Heat pump drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425147.6U CN211451586U (en) | 2019-12-27 | 2019-12-27 | Heat pump drying system |
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| Publication Number | Publication Date |
|---|---|
| CN211451586U true CN211451586U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922425147.6U Active CN211451586U (en) | 2019-12-27 | 2019-12-27 | Heat pump drying system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719568A (en) * | 2022-03-31 | 2022-07-08 | 福建工程学院 | Multifunctional heat pump drying and humidifying system for building and operation method thereof |
| CN114812112A (en) * | 2022-04-27 | 2022-07-29 | 江苏博一环保科技有限公司 | Movable sludge heat pump drying room |
| CN116518701A (en) * | 2023-07-05 | 2023-08-01 | 中建环能科技股份有限公司 | Method for improving dehumidification performance of evaporator of heat pump low-temperature drying equipment and electronic equipment |
-
2019
- 2019-12-27 CN CN201922425147.6U patent/CN211451586U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719568A (en) * | 2022-03-31 | 2022-07-08 | 福建工程学院 | Multifunctional heat pump drying and humidifying system for building and operation method thereof |
| CN114812112A (en) * | 2022-04-27 | 2022-07-29 | 江苏博一环保科技有限公司 | Movable sludge heat pump drying room |
| CN114812112B (en) * | 2022-04-27 | 2023-12-26 | 江苏博一环保科技有限公司 | Portable mud heat pump stoving room |
| CN116518701A (en) * | 2023-07-05 | 2023-08-01 | 中建环能科技股份有限公司 | Method for improving dehumidification performance of evaporator of heat pump low-temperature drying equipment and electronic equipment |
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