CN202719809U - Ground source heat pump air pre-heater - Google Patents
Ground source heat pump air pre-heater Download PDFInfo
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- CN202719809U CN202719809U CN 201220360662 CN201220360662U CN202719809U CN 202719809 U CN202719809 U CN 202719809U CN 201220360662 CN201220360662 CN 201220360662 CN 201220360662 U CN201220360662 U CN 201220360662U CN 202719809 U CN202719809 U CN 202719809U
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- heat pump
- source heat
- preheating
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Abstract
The utility model relates to the technical field of heat pumps, in particular to a ground source heat pump air pre-heater, and resolves the technical problem of improving the operation efficiency of an air source heat pump. The pre-heater comprises a buried pipe, a preheating circulation water pump and an air preheating air duct, wherein the buried pipe is buried in the soil under the ground surface, the air preheating air duct is a barrel with the front end and the rear end open, a preheating coil pipe and a draught fan are arranged inside the air preheating air duct, the draught fan is located in front of the preheating coil pipe, an air outlet face of the draught fan faces the front direction, pipe ports at two ends of the preheating coil pipe are respectively a heat source inlet end and a heat source outlet end, a pipe port at one end of the buried pipe is connected to the heat source outlet end of the preheating coil pipe, and a pipe port at the other end of the buried pipe is connected to the heat source inlet end of the preheating coil pipe through the preheating circulation water pump. The ground source heat pump air pre-heater is capable of improving the operation efficiency of the air source heat pump.
Description
Technical field
The utility model relates to heat pump techniques, particularly relates to a kind of technology of earth source heat pump air preheater.
Background technology
Air source heat pump (Air Source Heat Pump, be called for short ASHP) as one of form of source pump, be the pump type heat unitary device take outdoor air as thermal source, because it installs and uses very convenient, less pollution to environment is widely used in recent years.
But, the operational efficiency of air source heat pump easily is subjected to the impact of environment temperature, and in environment temperature high summer, the refrigerating efficiency of air source heat pump can descend along with the rising of environment temperature, in environment temperature low winter, the heating efficiency of air source heat pump can reduce along with the reduction of environment temperature.Theory and practice all shows: when net for air-source heat pump units was moved under the operating mode of low temperature and high relative humidity, evaporator with heat pump was easy to frosting, and frost can make the heat transfer resistance between cold-producing medium and the air increase in the deposition of heat exchanger surface, can worsen heat-transfer effect; Simultaneously, growth along with frost layer, the blocking action that produces can increase the resistance that air flows through heat exchanger greatly, cause air flow rate to descend, the blower fan power consumption increases, so that the air source heat pump system heating capacity descends, the compressor operating situation worsens easy generating liquid impact, can affect operation stability and reliability, this has hindered air source heat pump product applying at north cold area.
The utility model content
For the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides a kind of earth source heat pump air preheater that can improve the air source heat pump operational efficiency.
In order to solve the problems of the technologies described above, a kind of earth source heat pump air preheater provided by the utility model is characterized in that: comprise underground pipe, warm-up cycle water pump, air preheat air channel;
Described underground pipe is embedded in the following soil in earth's surface;
Described air preheat air channel is the cylindrical shell of a rear and front end opening, is provided with a preheat coil, a blower fan in the air preheat air channel;
Described blower fan is positioned at preheat coil the place ahead, and the outlet air surface of blower fan is towards the place ahead;
The two ends mouth of pipe of described preheat coil is respectively thermal source entrance point, the thermal source port of export;
The one end mouth of pipe of described underground pipe is received the thermal source port of export of preheat coil, and the other end mouth of pipe is received the thermal source entrance point of preheat coil through the warm-up cycle water pump.
The earth source heat pump air preheater that the utility model provides, take full advantage of the more constant characteristics of the long-term temperature of geothermal source, summer to the air that the enters air source heat pump humidification of lowering the temperature in advance, in the winter time the air that enters air source heat pump is carried out the pre-heat treatment, thereby reduce environment temperature to the impact of air source heat pump, make air source heat pump operate in all the time high-efficiency point, can improve the air source heat pump operational efficiency.
Description of drawings
Fig. 1 is the structural representation of the earth source heat pump air preheater of the utility model embodiment;
Fig. 2 is the use schematic diagram of the earth source heat pump air preheater of the utility model embodiment.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
Such as Fig. 1-shown in Figure 2, a kind of earth source heat pump air preheater that the utility model embodiment provides is characterized in that: comprise underground pipe 1, warm-up cycle water pump 3, air preheat air channel 2;
Described underground pipe 1 is embedded in the following soil in earth's surface;
Described air preheat air channel 2 is cylindrical shells of a rear and front end opening, and air preheat air channel 2 interior (see figure 2)s are provided with a preheat coil 4, a blower fan 5;
Described blower fan 5 is positioned at preheat coil 4 the place aheads, and the outlet air surface of blower fan 5 is towards the place ahead;
The two ends mouth of pipe of described preheat coil 4 is respectively thermal source entrance point, the thermal source port of export;
The one end mouth of pipe of described underground pipe 1 is received the thermal source port of export of preheat coil 4, and the other end mouth of pipe is received the thermal source entrance point of preheat coil 4 through warm-up cycle water pump 3.
The utility model embodiment cooperates air source heat pump to use together, and its using method is as follows:
As shown in Figure 2, net for air-source heat pump units is formed by evaporimeter 6, compressor 8, heat exchanger 7, expansion valve 9 successively closed loop serial connection usually, and user's side of heat exchanger 7 is provided with user's side water circulating pump 10;
When the earth source heat pump air preheater of the utility model embodiment uses, in the closed loop pipeline that underground pipe 1, warm-up cycle water pump 3, preheat coil 4 consist of, be filled with water (also can be other heat-conducting liquid), the front opening in air preheat air channel 2 be connected to the evaporimeter 6 of net for air-source heat pump units with soft barrier part 11;
During work, under the driving of warm-up cycle water pump 3, the water in the underground pipe 1 continues to flow into preheat coil 4, and the air heat-exchange with in the air preheat air channel 2 passes back into underground pipe 1 again, with the Soil Surrounding heat exchange, flows to preheat coil 4 in underground pipe 1 again, so circulation;
In environment temperature high summer, the air themperature of external environment condition will be higher than the soil moisture, under the effect of blower fan 5, the hot-air of external environment condition continues to flow into air preheat air channel 2, with the cold water heat exchange in the preheat coil 4, become cool breeze behind the cold in the absorption preheat coil 4, blow on the evaporimeter 6 of net for air-source heat pump units along air preheat air channel 2 again, make the evaporimeter 6 of net for air-source heat pump units operate in all the time high-efficiency point, guarantee the refrigerating efficiency of net for air-source heat pump units under hot environment;
In environment temperature low winter, the air themperature of external environment condition will be lower than the soil moisture, under the effect of blower fan 5, the cold air of external environment condition continues to flow into air preheat air channel 2, with the warm water heat exchange in the preheat coil 4, become warm braw behind the heat in the absorption preheat coil 4, blow on the evaporimeter 6 of net for air-source heat pump units along air preheat air channel 2 again, make the evaporimeter 6 of net for air-source heat pump units operate in all the time high-efficiency point, guarantee the heating efficiency of net for air-source heat pump units under low temperature environment.
Claims (1)
1. an earth source heat pump air preheater is characterized in that: comprise underground pipe, warm-up cycle water pump, air preheat air channel;
Described underground pipe is embedded in the following soil in earth's surface;
Described air preheat air channel is the cylindrical shell of a rear and front end opening, is provided with a preheat coil, a blower fan in the air preheat air channel;
Described blower fan is positioned at preheat coil the place ahead, and the outlet air surface of blower fan is towards the place ahead;
The two ends mouth of pipe of described preheat coil is respectively thermal source entrance point, the thermal source port of export;
The one end mouth of pipe of described underground pipe is received the thermal source port of export of preheat coil, and the other end mouth of pipe is received the thermal source entrance point of preheat coil through the warm-up cycle water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360662 CN202719809U (en) | 2012-07-25 | 2012-07-25 | Ground source heat pump air pre-heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220360662 CN202719809U (en) | 2012-07-25 | 2012-07-25 | Ground source heat pump air pre-heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719809U true CN202719809U (en) | 2013-02-06 |
Family
ID=47621631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220360662 Expired - Fee Related CN202719809U (en) | 2012-07-25 | 2012-07-25 | Ground source heat pump air pre-heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719809U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953485A (en) * | 2016-05-16 | 2016-09-21 | 叶立英 | Heat exchange method and system and heat pump system with defrosting function |
| CN104913295B (en) * | 2015-06-09 | 2016-11-30 | 浙江大学宁波理工学院 | Steam power plant's gas cleaning and surplus energy utility device and the method utilizing this device |
| CN106678949A (en) * | 2016-12-30 | 2017-05-17 | 广东工业大学 | Municipal water supply system |
-
2012
- 2012-07-25 CN CN 201220360662 patent/CN202719809U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913295B (en) * | 2015-06-09 | 2016-11-30 | 浙江大学宁波理工学院 | Steam power plant's gas cleaning and surplus energy utility device and the method utilizing this device |
| CN105953485A (en) * | 2016-05-16 | 2016-09-21 | 叶立英 | Heat exchange method and system and heat pump system with defrosting function |
| CN106678949A (en) * | 2016-12-30 | 2017-05-17 | 广东工业大学 | Municipal water supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20180725 |