CN104197565A - Stacked air source heating device - Google Patents
Stacked air source heating device Download PDFInfo
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- CN104197565A CN104197565A CN201410415185.2A CN201410415185A CN104197565A CN 104197565 A CN104197565 A CN 104197565A CN 201410415185 A CN201410415185 A CN 201410415185A CN 104197565 A CN104197565 A CN 104197565A
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- refrigeration compressor
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- temperature refrigerating
- source heating
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Abstract
The invention relates to a stacked air source heating device. The device comprises a maintaining framework box, an intermediate and high temperature refrigerating system and an electrical control system, wherein the intermediate and high temperature refrigerating system and the electrical control system are arranged in the maintaining framework box, the intermediate and high temperature refrigerating system comprises at least one intermediate and high temperature refrigerating compressor, a condenser, an evaporator, a throttling valve, a high-pressure liquid storage device, a drying filter and a gas and liquid separator, an exhaust port of the intermediate and high temperature refrigerating compressor is connected with an air inlet of the condenser, and an air returning port of the intermediate and high temperature refrigerating compressor is connected with a gas outlet of the gas and liquid separator. Different from the prior art, the stacked air source heating device further comprises a low-temperature refrigerating compressor set which comprises at least one low-temperature refrigerating compressor, an exhaust port of the low-temperature refrigerating compressor is connected with the air inlet of the condenser, and an air returning port of the low-temperature refrigerating compressor is connected with the gas outlet of the gas and liquid separator, and an exhaust pipe of the intermediate and high temperature refrigerating compressor and an exhaust pipe of the low-temperature refrigerating compressor are respectively provided with a one-way valve. Compared with the prior art, the stacked air source heating device is environmentally friendly, capable of saving energy, easy to install and modularized.
Description
Technical field
The present invention relates to obtain by refrigerating method the heating plant of heat, particularly relate to a kind of superposing type air-source heating plant, can be under the environment temperature of-30 DEG C to 17 DEG C, for people's winter heating obtains sufficient heat from ambient air.
Technical background
Coal is not a kind of clean energy resource, and Energy Efficiency Ratio is very low.Although natural gas is a kind of clean energy resource, but Energy Efficiency Ratio is still very low undesirable, therefore, if can develop, develop the confession hot product of a kind of clean energy resource, high energy efficiency ratio, and investment cost is low, can safe and effective work at cold district, for people provide sufficient heat, for reply climate warming, solve the problem that haze is on the rise, have very important significance.
For this reason, before decades, people just just begin one's study by all means and from atmosphere and soil, obtain heat by the method for refrigeration, to satisfy the demand, also develop the products such as water source heat pump units, earth source heat pump unit and net for air-source heat pump units.But, because water source heat pump units recharge water does not pass a test, and polluted underground water source, be obviously worthless.Earth source heat pump unit is because underground pipe quantities is huge, and investment cost is very high, and underground pipe maintenance difficult, be difficult in actual applications by people do not have accept, and because ground source needs higher lift, in actual motion, energy-saving effect is also had a greatly reduced quality.
Air-source heating plant is as clean energy resource, simple owing to installing, and do not need well-digging, pipe laying to be accepted by people widely, and still, net for air-source heat pump units is owing to being subject to environment temperature, humidity effect larger, inapplicable in China's cold, high Humid Area.
We know, high-temperature refrigeration compressor during current air-source heating plant all adopts, and the lowest limit evaporating temperature of this middle high temperature is conventionally-25 DEG C of left and right, in other words, mode by refrigeration is obtained heat from ambient air, in theory, can only meet under the ambient temperature conditions of-15 DEG C and work.In fact, due to the frosting of evaporimeter, the defrosting impact of factor such as not in time, in the Yangtze river basin, and even Zhejiang Province, although winter natural environment temperature-10 DEG C of left and right, because humidity is larger, evaporimeter frosting is very fast, cause that refrigeration compressor departs from operating mode operation, or because defrosting is frequent, cause heating quantity not sufficient.Even if adopt thermoregulator to adapt to north cold area, this situation still can not overcome, and must be equipped with more high-power refrigeration compressor by needs in order to adapt to north cold area, there is the situation of low load with strong power, draw high cost, and while opening when refrigeration compressor, stop, thereby temperature fluctuation is larger.Therefore, an independent refrigeration compressor is at northern China cold district or all cannot normally work in high Humid Area in the Yangtze river basin, has limited thus the job applications scope of air-source heating plant.
Publication number is that the patent of invention of CN103277930A discloses a kind of double-compressor energy-saving type air conditioner, comprises the first air-conditioning system, the second air-conditioning system and cool-bag; The first air-conditioning system is mainly formed by connecting by the first compressor, the first cross valve, the first radiator, the first capillary and the first heat exchange coil; The second air-conditioning system is is mainly connected and composed by the second compressor, the second cross valve, the second radiator, the second heat exchange coil, the second capillary and the first indoor evaporator.Air-source air-conditioning and source air-conditioner water are carried out combination by it, and this application people declares the efficiency that can significantly improve refrigeration or heat, and the time that shortens refrigeration and heat, reduces energy consumption.But the first air-conditioning system and second air-conditioning system of this air-conditioning can not work independently, and energy-saving effect is not remarkable, can not solve the technical problem applicable in north cold area.
In sum, at present a kind of new technology that can thoroughly solve the problems of the technologies described above urgently, fundamentally solves the technical problem of air-source heating plant, to break the limitation of air-source heating plant application, promotes the well-being of mankind.
Summary of the invention
The object of the invention is to solve net for air-source heat pump units cold, high Humid Area cannot provide adequate heat and the large technical problem of temperature fluctuation, another object of the present invention is to solve on this basis long, frost layer of the defrosting time difficult technical problem that comes off.
In order to solve above-mentioned first goal of the invention, the invention provides a kind of superposing type air-source heating plant, comprise: safeguard framework casing 30, be arranged on the middle high-temperature refrigeration system 10 of safeguarding in framework casing 30, electric control system 40, described middle high-temperature refrigeration system 10 comprises at least one middle high-temperature refrigeration compressor 101, condenser 102, evaporimeter 103, choke valve 104, high-pressure reservoir 105, device for drying and filtering 106, gas-liquid separator 107, the exhaust outlet of middle high-temperature refrigeration compressor 101 is connected with the air inlet of condenser 102, gas returning port is connected with the gas outlet of gas-liquid separator 107, unlike the prior art: also comprise cryogenic refrigeration compressor bank 20, described cryogenic refrigeration compressor bank 20 comprises at least one cryogenic refrigeration compressor 201, the exhaust outlet of described cryogenic refrigeration compressor 201 is connected with the air inlet of condenser 102, gas returning port is connected with the gas outlet of gas-liquid separator 107, and is respectively equipped with check valve 109 and 202 on the gas exhaust piping of middle high-temperature refrigeration compressor 101, cryogenic refrigeration compressor 201.
In order to solve above-mentioned second goal of the invention, evaporimeter 103 of the present invention comprises finned heat exchanger, the blower fan of Forced Air Convection, and its finned evaporator adopts wide finned heat exchanger or becomes pitch of fins formula finned heat exchanger.
As preferred version, on the pipeline between device for drying and filtering 106 and evaporimeter 103, magnetic valve 108 is set.
Middle high-temperature refrigeration compressor 101 and cryogenic refrigeration compressor 201 share a Forced Air Convection formula oil cooler 205.
The central air conditioner system that the invention still further relates to the heating system that comprises this superposing type air-source heating plant and comprise this superposing type air-source heating plant.
Compared with prior art, the present invention has following features:
1, environmental protection.This device utilizes refrigeration principle from ambient air, to extract the method for heat, for people's winter heating provides heat, may produce the material discharge of polluting to environment without any, therefore, in device running, can not produce any pollution to environment.
2, energy-conservation.This device is in running, even during in environment temperature-30 DEG C, its Energy Efficiency Ratio > 2, far above the coefficient of performance of electricity, coal, gas-heating.
3, install simply.Without building machine room, without well-digging, pipe laying, without adding miscellaneous equipment, as long as this device and heating end are coupled together, form a closed system, after energising, can devote oneself to work.
4, modularization.Fundamentally solved traditional air-source heat supply unit in the time of humidity larger area, the Yangtze river basin and north cold area use, due to the restriction of machine limit operating condition by compression, fault rate is high, the problem that even cannot move.Therefore, this device north and south is general, is convenient to modularization and produces and use, and for alleviating climate warming, solves haze problem and has very important significance.
Other side of the present invention and feature and advantage thereof are carried out more detailed introduction by way of example by the specific embodiment in by reference to the accompanying drawings below in description.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is operation principle schematic diagram of the present invention.
Detailed description of the invention
by reference to the accompanying drawings 1 and 2.a kind of superposing type air-source heating plant, comprise: safeguard framework casing 30, be arranged on middle high-temperature refrigeration system 10, the electric control system 40 safeguarded in framework casing 30, described middle high-temperature refrigeration system 10 comprises at least one middle high-temperature refrigeration compressor 101, condenser 102, evaporimeter 103, choke valve 104, high-pressure reservoir 105, device for drying and filtering 106, gas-liquid separator 107 etc., and the exhaust outlet of middle high-temperature refrigeration compressor 101 is connected with the air inlet of condenser 102, gas returning port is connected with the gas outlet of gas-liquid separator 107; Also comprise cryogenic refrigeration compressor bank 20, described cryogenic refrigeration compressor bank 20 comprises at least one cryogenic refrigeration compressor 201, the exhaust outlet of described cryogenic refrigeration compressor 201 is also connected with the air inlet of condenser 102, gas returning port is also connected with the gas outlet of gas-liquid separator 107, namely the middle high-temperature refrigeration compressor parallel of described cryogenic refrigeration compressor and middle high-temperature refrigeration system; And on the exhaust outlet pipeline of middle high-temperature refrigeration compressor 101, cryogenic refrigeration compressor 201, be respectively equipped with check valve 109,202, by its duty of electric control system control.
Evaporimeter 103 comprises Forced Air Convection finned heat exchanger, blower fan, its finned evaporator adopts a fin pitch of fins to be greater than the wide finned heat exchanger of 3mm, or become pitch of fins formula finned heat exchanger, a fin pitch of fins for finned heat exchanger inlet side is greater than 3mm, and a fin pitch of fins for air side is less than 3mm.
Magnetic valve 113,114 is set respectively on the flowline of middle high-temperature refrigeration compressor 101 and oil return pipe, magnetic valve 203,204 is set respectively on the flowline of cryogenic refrigeration compressor 201 and oil return pipe.
Certainly also comprise shown in figure or required related elements and the program of needed valve member, pipeline and electric control system that unshowned this device of the guarantee similar to prior art is normally worked, safeguards, maintained.
Middle high-temperature refrigeration compressor 101 is as the power of heat delivery, the heat that circulating force air finned evaporator 103 is gathered from ambient air, and the energy consuming in refrigerant conveying heat is delivered to condenser 102 together, and transfer heat to heating system or central air conditioner system by condenser 102, exothermic cold-producing medium is cooled into high pressure refrigerant liquid, is continued on to the circulating finned evaporator 103 of force air and gathered the heat of surrounding air by choke valve 104 reducing pressure by regulating flows.
High pressure receiver 105 Main Functions are exactly unnecessary cold-producing medium in the storage refrigeration system course of work, 106 of Filter dryers are cold-producing medium impurity and the moisture for removing circulation, the Main Function of gas-liquid separator 107 is that the refrigerant liquid that there is no heat absorption in evaporimeter 103 is separated, middle high-temperature refrigeration compressor 101 and the same oil cooler of cryogenic refrigeration compressor 201 common use, by magnetic valve 113, 114, 203, 204 are controlled oil circuit, its Main Function is the oil temperature of controlling compressor, prevent from causing when compressor exhaust temperature is too high the too high coking problem of oil temperature, to ensure compressor continuous and steady operation.
In the time that environment temperature is higher, namely at 17 DEG C to-10 DEG C---middle high-temperature refrigeration compressor is in best working range, in this case, cryogenic refrigeration compressor 201 quits work, middle high-temperature refrigeration system is devoted oneself to work, magnetic valve 108 energisings are opened, middle high-temperature refrigeration compressor 101 energising work, surrounding air skims over after forced cyclic type finned evaporator 103 under the effect of blower fan like this, heat of vaporization in the low pressure refrigerant liquid absorption surrounding air of evaporimeter 103 inside becomes gas, enter gas-liquid separator 107 through suction line, unevaporated part refrigerant liquid is separated, in gas quilt, high-temperature refrigeration compressor 101 sucks, by consumed energy, the refrigerant gas of low pressure is compressed into the refrigerant gas of high pressure, by the heat absorbing from evaporimeter 103, the energy consuming together with compressor passes through cold-producing medium, enter condenser 102 through the check valve 109 on gas exhaust piping, and transfer heat to the water of heating system or the air of central air conditioner system, make to need the regional temperature of heating to get a promotion, cold-producing medium is cooled into high pressure refrigerant liquid and enters high pressure receiver 105, from high pressure refrigerant liquid out high pressure receiver 105 after device for drying and filtering 106 is removed the moisture and impurity in cold-producing medium, after magnetic valve 108 enters choke valve 104 reducing pressure by regulating flows, enter the heat that evaporimeter 103 continues absorbing environmental air, cold-producing medium is continuous circulation so constantly, realize and continuously from ambient air, absorbed heat, thereby reach the object that heat is continuously provided for heating system.
In the time that environment temperature is lower, namely below-10 DEG C time---when having approached or having reached the maximal work scope of middle high-temperature refrigeration compressor, in this case, middle high-temperature refrigeration compressor 101 quits work, magnetic valve 104 energisings are opened, cryogenic refrigeration compressor 201 switches on power and devotes oneself to work, low temperature environment air skims over after forced cyclic type finned evaporator 103 under the effect of blower fan like this, heat of vaporization in the low pressure refrigerant liquid absorption surrounding air of evaporimeter 103 inside becomes gas, enter gas-liquid separator 107 through suction line, unevaporated part refrigerant liquid is separated, gas is sucked by cryogenic refrigeration compressor 201, by consumed energy, the refrigerant gas of low pressure is compressed into the refrigerant gas of high pressure, by the heat absorbing from evaporimeter 103, the energy consuming together with compressor passes through cold-producing medium, enter condenser 102 through check valve 202 on gas exhaust piping, and transfer heat to the water of heating system or the air of central air conditioner system, make to need the regional temperature of heating to get a promotion, cold-producing medium is cooled into high pressure refrigerant liquid and enters high pressure receiver 105, from high pressure refrigerant liquid out high pressure receiver 105 after device for drying and filtering 106 is removed the moisture and impurity in cold-producing medium, after magnetic valve 108 enters choke valve 104 reducing pressure by regulating flows, enter the heat that evaporimeter 103 continues absorbing environmental air, cold-producing medium is continuous circulation so constantly, realize continuously and absorbed heat from low temperature environment atmosphere, thereby reach the object that heat is continuously provided for heating system.
Whether oil cooler devotes oneself to work, and automatically controls oil cooler start and stop by being arranged on the temperature sensor on gas exhaust piping or being arranged on delivery temperature or the oil temperature that temperature sensor on lubricating oil return pipeline detects.
According to the difference of environment temperature, the formula alternation of succeeding of middle high-temperature refrigeration compressor and cryogenic refrigeration compressor, thereby guarantee this superposing type air-source heating plant under the environmental condition between-30 DEG C to 17 DEG C for heating system or air-conditioning system provide sufficient heat, guarantee needs the temperature in region of heating because sharply changing of ambient temperature produces large fluctuation, and two compression functions alternation, not only save the energy, and be conducive to increase the service life and safe and reliable use.
In superposing type air-source heating plant technical scheme of the present invention, its operation principle is: under the higher condition of environment temperature, cryogenic compressor quits work, high-temperature refrigeration system works in employing, ultralimit work when having solved cryogenic compressor and working under worst hot case, and cause the problem of compressor damage, and for heating system provides sufficient heat, effectively reduce the energy consumption while obtaining heat in the refrigeration system course of work from air simultaneously, in the lower condition of environment temperature, middle high-temperature refrigeration compressor is out of service, in being replaced by cryogenic refrigeration compressor, high-temperature refrigeration compressor is devoted oneself to work, the conversion of high cryogenic refrigerating system all has electric control system automatically to complete, thereby ultralimit problem while work under high temperature compressed machine worst cold case in having solved, and cause thus the problem of compressor damage, guarantee the safe operation of cryogenic conditions lower device, make it can continuously from ambient air, extract heat under cryogenic conditions, meet the heat demand of heating, improve the Energy Efficiency Ratio of device, and provide sufficient heat for heating system.
In sum, the present invention compared with prior art, has following outstanding substantive distinguishing features:
1, environmental protection.This device utilizes refrigeration principle from ambient air, to extract the method for heat, for people's winter heating provides heat, may produce the material discharge of polluting to environment without any, therefore, in device running, can not produce any pollution to environment.
2, energy-conservation.This device is in the test of starting shooting under following different temperatures respectively, and its Energy Efficiency Ratio experimental result is as follows:
As can be seen from the above table, the equal > 2 of the Energy Efficiency Ratio of the present invention under condition of different temperatures, far above the coefficient of performance of electricity, coal, gas-heating.
3, install simply.Without building machine room, without well-digging, pipe laying, without adding miscellaneous equipment, as long as this device and heating end are coupled together, form a closed system, after energising, can devote oneself to work.
4, modularization.Fundamentally solved traditional air-source heat supply unit in the time of humidity larger area, the Yangtze river basin and north cold area use, due to the restriction of machine limit operating condition by compression, fault rate is high, the problem that even cannot move.Therefore, this device north and south is general, is convenient to modularization and produces and use, and for alleviating climate warming, solves haze problem and has very important significance.
It is pointed out that at this superposing type air-source heating plant of the present invention is a system and device, as long as adopt the operation principle of this description, the superposing type air-source heating plant that the increase and decrease of any equipment and valve member forms is all in protection scope of the present invention.
Claims (6)
1. a superposing type air-source heating plant, comprise: safeguard framework casing (30), be arranged on the middle high-temperature refrigeration system (10) of safeguarding in framework casing (30), electric control system (40), described middle high-temperature refrigeration system (10) comprises at least one middle high-temperature refrigeration compressor (101), condenser (102), evaporimeter (103), choke valve (104), high-pressure reservoir (105), device for drying and filtering (106), gas-liquid separator (107), the exhaust outlet of middle high-temperature refrigeration compressor (101) is connected with the air inlet of condenser (102), gas returning port is connected with the gas outlet of gas-liquid separator (107), it is characterized in that: also comprise cryogenic refrigeration compressor bank (20), described cryogenic refrigeration compressor bank (20) comprises at least one cryogenic refrigeration compressor (201), the exhaust outlet of described cryogenic refrigeration compressor (201) is connected with the air inlet of condenser (102), gas returning port is connected with the gas outlet of gas-liquid separator (107), and is respectively equipped with check valve (109,202) on the gas exhaust piping of middle high-temperature refrigeration compressor (101), cryogenic refrigeration compressor (201).
2. a kind of superposing type air-source heating plant according to claim 1, it is characterized in that: described evaporimeter (103) comprises finned heat exchanger, the blower fan of Forced Air Convection, its finned evaporator adopts wide finned heat exchanger or becomes pitch of fins formula finned heat exchanger.
3. a kind of superposing type air-source heating plant according to claim 1, is characterized in that: on the pipeline between device for drying and filtering (106) and evaporimeter (103), magnetic valve (108) is set.
4. a kind of superposing type air-source heating plant according to claim 1, is characterized in that: middle high-temperature refrigeration compressor (101) and cryogenic refrigeration compressor (201) share a Forced Air Convection formula oil cooler (205).
5. comprise according to the heating system of the arbitrary described a kind of superposing type air-source heating plant of claim 1-4.
6. comprise according to the central air conditioner system of the arbitrary described a kind of superposing type air-source heating plant of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415185.2A CN104197565A (en) | 2014-08-22 | 2014-08-22 | Stacked air source heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415185.2A CN104197565A (en) | 2014-08-22 | 2014-08-22 | Stacked air source heating device |
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| CN104197565A true CN104197565A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410415185.2A Pending CN104197565A (en) | 2014-08-22 | 2014-08-22 | Stacked air source heating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534737A (en) * | 2014-12-16 | 2015-04-22 | 烟台万德嘉空调设备有限公司 | Broad-width type air source heat pump device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189482A (en) * | 2006-03-27 | 2008-05-28 | 三菱电机株式会社 | Refrigerant air-conditioner |
| EP2096378A1 (en) * | 2007-06-22 | 2009-09-02 | Panasonic Corporation | Refrigeration cycle device |
| KR20140036358A (en) * | 2012-09-10 | 2014-03-26 | 삼성전자주식회사 | Air conditioner and thereof control process |
| CN203980701U (en) * | 2014-08-22 | 2014-12-03 | 烟台万德嘉空调设备有限公司 | A kind of superposing type air-source heating plant |
-
2014
- 2014-08-22 CN CN201410415185.2A patent/CN104197565A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189482A (en) * | 2006-03-27 | 2008-05-28 | 三菱电机株式会社 | Refrigerant air-conditioner |
| EP2096378A1 (en) * | 2007-06-22 | 2009-09-02 | Panasonic Corporation | Refrigeration cycle device |
| KR20140036358A (en) * | 2012-09-10 | 2014-03-26 | 삼성전자주식회사 | Air conditioner and thereof control process |
| CN203980701U (en) * | 2014-08-22 | 2014-12-03 | 烟台万德嘉空调设备有限公司 | A kind of superposing type air-source heating plant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534737A (en) * | 2014-12-16 | 2015-04-22 | 烟台万德嘉空调设备有限公司 | Broad-width type air source heat pump device |
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Application publication date: 20141210 |