CN208222913U - A kind of heat pump system based on micropore injecting type evaporator - Google Patents
A kind of heat pump system based on micropore injecting type evaporator Download PDFInfo
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- CN208222913U CN208222913U CN201820683769.1U CN201820683769U CN208222913U CN 208222913 U CN208222913 U CN 208222913U CN 201820683769 U CN201820683769 U CN 201820683769U CN 208222913 U CN208222913 U CN 208222913U
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- evaporator
- dispenser
- injecting type
- micropore
- tube
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Abstract
The utility model discloses the heat pump system based on micropore injecting type evaporator, and including multiple micropore injecting type casing tube evaporators being set side by side, each micropore injecting type casing tube evaporator includes inner tube, outer tube；Inner tube is closed at one end, another end opening is connect to receive the high pressure liquid refrigerant from dispenser with dispenser, internal layer pipe surface is distributed several micropores, it is sprayed for low-temp low-pressure liquid refrigerant to the inner wall whole surface of outer tube so that high pressure liquid refrigerant is throttled after flowing through, forms one layer of membranaceous refrigerant of liquid and extraneous heat exchange；Outer tube is sealed close to one end of dispenser, and the other end is that collection port is connected with compressor return air pipe；Compressor exhaust pipe connects condenser, and condenser drain pipe is connected with fluid reservoir, and fluid reservoir is connected with dispenser.The utility model heat exchange efficiency is high, can reduce heat transfer temperature difference under same heat exchange amount；Refrigerant becomes gaseous state from liquid at once and flows through evaporator returning to frequency-changeable compressor, reduces return-air resistance, reduces system energy consumption.
Description
Technical field
The utility model relates to technical field of heat pumps, and in particular to a kind of heat pump system based on micropore injecting type evaporator
System.
Background technique
With becoming increasingly conspicuous for environmental problem, heat pump heating just gradually replaces traditional coal heating.It puts into effect in succession in each province and city
Change the policy of electricity heating about coal, government, which provides with funds, promotes policy execution, such as Beijing Municipal Government in 2016 is to periphery
Implement coal and change electric heating in district.Coal changes electricity heating and comes into effect on Tianjin, Hebei, Shanxi and other places, and heat pump has replaced coal heating
It is inevitable trend.However, winter outdoor environment temperature is often lower than 0 DEG C, changed outside room when net for air-source heat pump units is to indoor heating
Hot device surface is often below the dew-point temperature of outdoor air, causes outdoor heat exchanger frosting.Heat pump is transported in air source heat pump frosting
Row is main to influence have two aspects: first is that a large amount of frost accumulations will make evaporator heat transfer impaired performance；Second is that frosting hinders outdoor disk
Gas flowing between pipe, blower energy loss increase.With the increase of outdoor heat exchanger wall surface frost thickness, outdoor heat exchanger steams
The decline of hair temperature, unit heating capacity are reduced, fan performance is decayed, input current increases, heating performance coefficient reduction, are pressed when serious
Contracting chance is out of service, so that unit cisco unity malfunction.Therefore, solve the problems, such as that frosting is a technology difficulty of heat pump application
Topic.Delaying frosting is to solve the problems, such as a kind of effective method of frosting, current adoptable main method be change system flow and
Evaporation structure parameter generallys use to improve the heat-exchange temperature and heat exchange amount of outdoor evaporator and increases evaporator area or add
Big blower wind speed, but additional power consumption can be brought.So providing a kind of can effectively avoid or the heat pump system of frosting is inhibited to have
Important role.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of heat pump system, energy
Delay heat pump system frosting by reducing outdoor evaporator heat transfer temperature difference and refrigerant flow, while improving system effectiveness, drops
Low system energy consumption.
It is for technical solution used by realization the purpose of this utility model:
A kind of heat pump system based on micropore injecting type evaporator is steamed including multiple micropore injecting type casings being set side by side
Device is sent out, each micropore injecting type casing tube evaporator includes inner tube, outer tube；The inner tube is closed at one end, the other end
Opening is connect to receive the high pressure liquid refrigerant from dispenser with dispenser, and the surface distribution of the inner tube is several micro-
Hole, for being throttled after flowing through high pressure liquid refrigerant as low-temp low-pressure liquid refrigerant and being sprayed to the inner wall of outer tube
Whole surface forms one layer of membranaceous refrigerant of liquid and extraneous heat exchange；The outer tube seals close to one end of dispenser, is another
End is connected for collection port with the muffler of compressor；The exhaust pipe of the compressor connects condenser, the drain of the condenser
Pipe is connected with fluid reservoir, and the fluid reservoir is connected with dispenser.
One end of the condenser is cold water input terminal, and the other end is output end of hot water.
The diameter of the outer tube is 3-5 times of inner tube.
The micropore injecting type casing tube evaporator peripheral hardware blower.
Compared with prior art, the heat pump system its have the advantages that:
(1) orifice restriction of the refrigerant of high temperature and pressure by the inner tube of evaporator is sprayed to the entire tube wall of outer tube
On, tunic heat exchange is formed, heat exchange efficiency is high, can reduce heat transfer temperature difference in the case where identical heat exchange amount, inhibits frosting；In addition, compared with
Small heat transfer temperature difference can be such that evaporating temperature is risen, and then improve system effectiveness.
(2) heat pump filling quantity of refrigerant compared with other heat pumps is about one third.
(3) low-temp low-pressure liquid refrigerant becomes gaseous refrigerant after exchanging heat in evaporator at once, compared to the system of liquid
Cryogen flow resistance reduces, and reduces system energy consumption.
Detailed description of the invention
Fig. 1 is the principle schematic diagram of the heat pump system based on micropore injecting type evaporator；
Fig. 2 is the principle schematic diagram of micropore injecting type casing tube evaporator.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in Fig. 1-2, a kind of heat pump system based on micropore injecting type evaporator, including frequency-changeable compressor 1, condensation
Device 2, fluid reservoir 5, dispenser 6, blower 7, multiple micropore injecting type bushing type evaporators 8 being set side by side；Each micropore injection
Formula bushing type evaporator 8 includes inner tube 12, and outer tube 11, inner layer sleeve 12 is closed at one end, another end opening and dispenser 6
Outlet is connected, the micropore 13 that surface has pore size equal, and the diameter of the outer tube 11 is 3-5 times of inner tube 12,
Cover in the outer end of inner tube 12, one end 10 of the close dispenser 6 of the outer tube 11 is sealed with ring sealing plate, ring sealing plate with
The outer wall sealing welding of the open end of the inner tube 12, the other end is collection port 9, as output of condenser；
Wherein, the exhaust pipe of the frequency-changeable compressor 1 connects condenser 2, a termination cold water input of the condenser 2
Port 3, another termination output end of hot water mouth 4, the drain pipe of the condenser 2 is connected with the inlet of fluid reservoir 5, described
The liquid outlet of fluid reservoir 5 be connected with the inlet of dispenser 6, the liquid outlet of the dispenser 6 and bushing type evaporator
The open end of inner tube 12 is connected, and a blower 7, the micropore injection are arranged outside the micropore injecting type casing tube evaporator 8
The collection port 9 of the outer tube of formula casing tube evaporator is connected with the muffler of frequency-changeable compressor 1, constitutes a circuit.
Wherein, the refrigerant is all common refrigerant in the art.Preferably, the diameter of the outer tube 11 is interior
3~5 times of layer pipe 12.
Wherein, the aperture of the micropore and arrangement are specifically arranged according to the caliber of casing tube evaporator, with injection
Refrigerant out can be formed uniformly on the whole surface of the inner wall of outer tube 11, form one layer of membranaceous refrigerant of liquid as original
Then, arranged for interval as shown in Figure 2 is on the tube wall of inner tube.
When operation of heat pump, the gaseous refrigerant for the high temperature and pressure that compressor 1 is discharged flows through condenser 2, in condenser and water
It exchanges heat, cold water is flowed into cold water input port, and hot water is flowed out in output end of hot water mouth.Refrigerant flows into after condenser 2
To fluid reservoir 5, condensed high pressure liquid refrigerant is flowed out by fluid reservoir 5, into dispenser 6, is uniformly distributed by dispenser 6
Into the inner tube 12 of each road micropore injecting type casing tube evaporator, refrigerant flow through be throttled after the micropore 13 of inner tube for
The liquid refrigerant of low-temp low-pressure, resulting low-temp low-pressure liquid refrigerant spray the whole surface of the inner wall to outer tube 11,
One layer of membranaceous refrigerant of liquid is formed, can quickly exchange heat with the external world and makes full use of outer wall area, heat exchange efficiency is aobvious
It writes and improves, so can reduce heat transfer temperature difference under same heat exchange amount.So the heat pump can be by reducing heat transfer temperature difference suppression
Frosting processed；In addition, lesser heat transfer temperature difference can be such that evaporating temperature is risen, system effectiveness is then improved.
Wherein, the refrigerant collects through channel between outer tube 11 and inner tube 12 flows to outlet collection port 9, thus
It flow to the muffler of frequency-changeable compressor 1.Since refrigerant becomes gas from liquid at once in micropore injecting type casing tube evaporator 8
State, and flow through evaporator in the form of a vapor and return to frequency-changeable compressor 1, the refrigerant of opposite liquid reduces return-air resistance, subtracts
System energy consumption is lacked, can also effectively reduce heat pump refrigerant and charge few, the raising feature of environmental protection.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (4)
1. a kind of heat pump system based on micropore injecting type evaporator, which is characterized in that including multiple micropore sprays being set side by side
Formula casing tube evaporator is penetrated, each micropore injecting type casing tube evaporator includes inner tube, outer tube；One end seal of inner tube
It closes, another end opening is connect to receive the high pressure liquid refrigerant from dispenser, the surface point of the inner tube with dispenser
Several micropores of cloth, for being throttled after flowing through high pressure liquid refrigerant as low-temp low-pressure liquid refrigerant and being sprayed to outer tube
Inner wall whole surface, form one layer of membranaceous refrigerant of liquid and extraneous exchange heat；The outer tube is close to one end of dispenser
Sealing, the other end are that collection port is connected with the muffler of compressor；The exhaust pipe of the compressor connects condenser, the condensation
The drain pipe of device is connected with fluid reservoir, and the fluid reservoir is connected with dispenser.
2. the heat pump system according to claim 1 based on micropore injecting type evaporator, which is characterized in that the condenser
One end is cold water input terminal, and the other end is output end of hot water.
3. the heat pump system according to claim 1 based on micropore injecting type evaporator, which is characterized in that the outer tube
Diameter is 3-5 times of inner tube.
4. the heat pump system according to claim 1 based on micropore injecting type evaporator, which is characterized in that the micropore injection
Formula casing tube evaporator peripheral hardware blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820683769.1U CN208222913U (en) | 2018-05-09 | 2018-05-09 | A kind of heat pump system based on micropore injecting type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820683769.1U CN208222913U (en) | 2018-05-09 | 2018-05-09 | A kind of heat pump system based on micropore injecting type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222913U true CN208222913U (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820683769.1U Expired - Fee Related CN208222913U (en) | 2018-05-09 | 2018-05-09 | A kind of heat pump system based on micropore injecting type evaporator |
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| Country | Link |
|---|---|
| CN (1) | CN208222913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518893A (en) * | 2018-05-09 | 2018-09-11 | 天津商业大学 | A kind of heat pump system based on micropore injecting type evaporator |
-
2018
- 2018-05-09 CN CN201820683769.1U patent/CN208222913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518893A (en) * | 2018-05-09 | 2018-09-11 | 天津商业大学 | A kind of heat pump system based on micropore injecting type evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181211 Termination date: 20190509 |