CN211177430U - Open heat pump unit with external fan - Google Patents
Open heat pump unit with external fan Download PDFInfo
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- CN211177430U CN211177430U CN201922472035.6U CN201922472035U CN211177430U CN 211177430 U CN211177430 U CN 211177430U CN 201922472035 U CN201922472035 U CN 201922472035U CN 211177430 U CN211177430 U CN 211177430U
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- open heat
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Abstract
The utility model discloses an external type open heat pump set of fan for baking house, including casing and compressor, evaporimeter and the condenser of setting in the casing, the centre top of casing is provided with and is used for the return air inlet that links to each other with stoving material room air outlet, condenser and evaporimeter setting are in the both sides of return air inlet below are provided with the air outlet that links to each other with the air intake of stoving material room near the side of condenser, and wind channel in the casing makes the wind of return air inlet flow in the air intake of stoving material room from the air outlet behind the condenser. The utility model discloses an external type open heat pump set of fan for baking house combines together external fan and open heat pump system to rational optimal design drying equipment's flow field and moisturizing device of mending wind, from the high-humidity circulating air of medium temperature of stoving material room air outlet through the air intake of air outlet inflow stoving material room after the condenser heating behind the return air inlet, make full use of the waste heat, the energy efficiency ratio is higher.
Description
Technical Field
The utility model relates to a heat pump set, in particular to open heat pump set of external type of fan.
Background
The air source heat pump drying equipment is energy-saving and environment-friendly drying equipment which is developed rapidly by replacing a coal-fired furnace with an air source heat pump, and can be used for primary processing and drying operation of various agricultural products. The existing heat pump equipment comprises an open heat pump system and a closed heat pump system, and when the open heat pump system is used for drying operation under the condition of low environmental temperature in winter, the energy efficiency ratio is extremely low.
Therefore, there is a need for improvement of the prior art to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to provide an open heat pump set of external type of fan can overcome open heat pump system and carry out the dry operation under the lower condition of ambient temperature in winter, the problem that the energy efficiency ratio is low. The method is realized by the following technical scheme:
the utility model discloses an external type open heat pump set of fan for baking house, including casing and compressor, evaporimeter and the condenser of setting in the casing, the centre top of casing is provided with the return air inlet that is used for linking to each other with stoving material room air outlet, condenser and evaporimeter setting are in the both sides of return air inlet below are provided with the air outlet that links to each other with the air intake of stoving material room near the side of condenser, and wind channel in the casing makes the wind of return air inlet flow in the air intake of stoving material room from the air outlet behind the condenser.
Further, an electric auxiliary heating device for assisting wind heating is arranged on the condenser.
Furthermore, a moisture exhausting fan is arranged below the air return inlet, and air passing through the moisture exhausting fan flows through the evaporator and then is dehumidified.
Furthermore, the outlet of the moisture exhaust fan is provided with a self-hanging louver.
Furthermore, an air supplementing air valve used for supplementing fresh air into the air channel is further arranged on the casing and arranged in front of the condenser.
Further, evaporimeter below is provided with drainage device, and drainage device includes mesh board, guide plate and the outlet of trap from top to bottom in proper order, the guide plate from top to bottom exports the slope to the trap, is provided with the apopore on the mesh board.
And the humidity control system further comprises a central controller, wherein a humidity sensor is arranged on the air return inlet, the output end of the humidity sensor is connected with the input end of the central controller, and the output end of the central controller is connected with the input end of the dehumidifying fan.
The utility model has the advantages that: the utility model discloses an external fan type open heat pump set for baking house combines together external fan and open heat pump system, fuses to a system in to the flow field and the moisturizing device of moisturizing of rational optimal design drying equipment, has formed a novel open heat pump drying equipment, flows into the air intake of drying material room through the air outlet after the high humid circulated air of moderate temperature of air outlet of drying material room passes through the air return inlet after through the condenser heating, make full use of the waste heat, than the direct heating external cold wind energy efficiency ratio of unit than higher; other advantageous effects of the present invention will be further described with reference to the following embodiments.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the drainage device;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a partial schematic block diagram of the present invention.
Detailed Description
As shown in the figure: the external fan type open heat pump unit for the drying room in the embodiment comprises a shell, and a compressor 2, an evaporator 4 and a condenser 11 which are arranged in the shell, wherein a return air inlet 7 which is used for being connected with an air outlet (not shown in the figure) of a drying material chamber is arranged above the middle of the shell, the condenser 11 and the evaporator 4 are arranged on two sides below the return air inlet 7, an air outlet 9 which is connected with an air inlet (not shown in the figure) of the drying material chamber is arranged on the side surface close to the condenser 11, the air outlet 9 can be an external fan, and air in a casing enables air at the return air inlet to flow into the air inlet of the drying material chamber from the air outlet after passing through the condenser 11. The compressor 2 is used for changing the circulating refrigerant into high-temperature and high-pressure gas, and the high-temperature and high-pressure gas enters the condenser to exchange with wind to heat the wind. Of course, the heat pump unit further includes an electronic expansion valve, and other connection mechanisms of the heat pump adopt the prior art, and are not described herein again. The shell is made of carbon steel plastic-sprayed sheet metal and is used for effective heat preservation, and the sheet metal in internal contact with circulating air can be made of 304 stainless steel. The medium-temperature high-humidity circulating air from the air outlet of the drying material chamber passes through the air return inlet, is heated by the condenser and then flows into the air inlet of the drying material chamber through the air outlet, the waste heat is fully utilized, and the energy efficiency ratio of the circulating air to the external cold air of the unit is higher than that of the circulating air to be directly heated.
In this embodiment, an electric auxiliary heating device 10 for assisting wind heating is disposed on the condenser. The electric auxiliary heating device 10 can be heated by resistance heating or the like.
In this embodiment, a dehumidifying fan 6 is disposed below the air return opening, and air passing through the dehumidifying fan passes through the evaporator 4 to be dehumidified.
In this embodiment, the outlet of the dehumidifying fan 6 is provided with a self-hanging louver 5.
In this embodiment, an air supply air valve 8 for supplying fresh air into the air duct is further disposed on the casing, and the air supply air valve 8 is disposed in front of the condenser 11. Can meet the requirements of various drying processes for different materials and different humidity.
In this embodiment, be provided with drainage device below the evaporimeter, drainage device includes mesh board 17, guide plate 16 and trapway export 14 from top to bottom in proper order, guide plate 16 from top to bottom inclines to the trapway export, is provided with apopore 18 on the mesh board 17.
As shown in fig. 5, in this embodiment, the humidity control system further includes a central controller, the air return inlet is provided with a humidity sensor, an output end of the humidity sensor is connected to an input end of the central controller, an output end of the central controller is connected to an input end of the dehumidifying fan, and the central controller may be disposed in the electric cabinet 1. And the opening and closing of the moisture exhausting fan are automatically controlled according to the humidity.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides an open heat pump set of external type of fan for baking house which characterized in that includes: the air conditioner comprises a shell, and a compressor, an evaporator and a condenser which are arranged in the shell, wherein an air return port used for being connected with an air outlet of a drying material chamber is arranged above the middle of the shell, the condenser and the evaporator are arranged on two sides below the air return port, an air outlet connected with an air inlet of the drying material chamber is arranged on the side face close to the condenser, and an air channel in the shell enables air at the air return port to flow into the air inlet of the drying material chamber from the air outlet after passing through the condenser.
2. The external fan type open heat pump unit for the drying room of claim 1, characterized in that: and an electric auxiliary heating device for assisting wind heating is arranged on the condenser.
3. The external fan type open heat pump unit for the drying room of claim 2, characterized in that: and a dehumidifying fan is arranged below the air return inlet, and air passing through the dehumidifying fan flows through the evaporator and then is dehumidified.
4. The external fan type open heat pump unit for the drying room of claim 3, characterized in that: and the outlet of the moisture exhausting fan is provided with a self-hanging louver.
5. The external fan type open heat pump unit for the drying room of claim 4, characterized in that: and an air supplementing air valve used for supplementing fresh air into the air channel is also arranged on the shell and is arranged in front of the condenser.
6. The external fan type open heat pump unit for the drying room of claim 5, characterized in that: the evaporimeter below is provided with drainage device, and drainage device includes mesh board, guide plate and the outlet of trap from top to bottom in proper order, the guide plate is from top to bottom to the outlet slope of trap, is provided with the apopore on the mesh board.
7. The external fan type open heat pump unit for the drying room of claim 6, characterized in that: the humidity control system is characterized by further comprising a central controller, wherein a humidity sensor is arranged on the air return opening, the output end of the humidity sensor is connected with the input end of the central controller, and the output end of the central controller is connected with the input end of the dehumidifying fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922472035.6U CN211177430U (en) | 2019-12-31 | 2019-12-31 | Open heat pump unit with external fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922472035.6U CN211177430U (en) | 2019-12-31 | 2019-12-31 | Open heat pump unit with external fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211177430U true CN211177430U (en) | 2020-08-04 |
Family
ID=71827478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922472035.6U Active CN211177430U (en) | 2019-12-31 | 2019-12-31 | Open heat pump unit with external fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211177430U (en) |
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2019
- 2019-12-31 CN CN201922472035.6U patent/CN211177430U/en active Active
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