CN211177235U - Energy tower coupling household type water source heat pump antifreeze fluid heat exchange cooling and heating system - Google Patents
Energy tower coupling household type water source heat pump antifreeze fluid heat exchange cooling and heating system Download PDFInfo
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- CN211177235U CN211177235U CN201921625604.XU CN201921625604U CN211177235U CN 211177235 U CN211177235 U CN 211177235U CN 201921625604 U CN201921625604 U CN 201921625604U CN 211177235 U CN211177235 U CN 211177235U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The utility model relates to an energy tower coupling household type water source heat pump antifreeze solution heat transfer cooling and heating system, which comprises an energy tower and antifreeze solution, wherein a lower circulation port is arranged at the bottom of the energy tower, the lower circulation port is communicated with an antifreeze solution water inlet main pipe, and the antifreeze solution water inlet main pipe is provided with a heat transfer circulating water pump; an upper circulation port is formed in the upper part of the energy tower, and is communicated with an anti-freezing solution return main pipe; at least two groups of small household type water-ground source heat pumps are connected in parallel between the antifreeze liquid inlet main pipe and the antifreeze liquid return main pipe. The utility model discloses adopt distributed energy tower to high density house building crowd as cold and hot source, utilize antifreeze to be heat transfer medium, the operation of the small-size family of branch formula ground source heat pump of each family of coupling realizes the two antithetical couplets of changes in temperature confession to each family.
Description
Technical Field
The utility model belongs to warm logical air conditioning field mainly involves a distributed energy tower heat source of high density residential building and is heat source and heat sink to the antifreeze is heat transfer medium, and coupling branch family formula water ground source heat pump realizes changes in temperature two antithetical couplet and supplies the system application, concretely relates to energy tower coupling branch family formula water source heat pump antifreeze heat transfer cooling and warming system.
Background
Heating is just needed in northern cold areas, and in the districts which can not be covered by municipal heating large nets at present, under the environment with large environmental requirements of changing coal into electricity in the blue-day guard war, the trend of heating by adopting clean energy sources such as heat pumps and the like is formed. In recent years, residential household type heat pump cooling and heating dual supply systems are in a vigorous development from south to north, and heating in southern areas such as Yangtze river basin and the like also becomes a trend. The two-way supply system uses water as a heat exchange medium, a fan coil pipe in summer as a refrigeration terminal, and a floor heating system in winter as a heating terminal. Most of multi-storey and high-rise high-density residential buildings mainly adopt a centralized heat pump heating mode, and villa type residences mainly adopt individual heat pump cooling and heating. In the south, the temperature is relatively high, the humidity is high, few multi-storey and high-rise high-density residential buildings adopt the individual air energy heat pump for independent heating, and few residential districts mainly adopt the individual ground source heat pump for cooling and heating, but because the ground source heat pump system has large buried pipe investment and needs a certain buried pipe occupied area on one hand, and the underground temperature heat balance and the like on the other hand, the popularization and the application are restricted by certain economic and technical conditions, and the individual ground source heat pump two-combined supply cooling and heating mode is not popularized and applied in a large scale. The split air energy heat pump two-combined supply system in the northern area is mainly used for rural 'coal to electricity' users, is popular and applied in northern rural areas in the form of 'prairie singing', but is limited in the application of high-density multi-storey or high-rise residential building split heat pump heating which cannot be covered by 'large heating power network', and is almost rarely applied. The main reasons for the method are that defrosting, noise, high cost, efficiency, low heating cost, large machine position occupied by a main machine, dangerous and inconvenient cold island effect, negative influence on the elevation view of a building, high cost of a prefabricated air conditioner cement cantilever and the like in winter restrict the development and application of the household air energy heat pump dual-supply system. The centralized heat pump heating system is a main application form of high-density houses in northern areas at present, but the problem that the heating cost is too high when the early-stage occupancy rate is low cannot be solved by the mode. The overall investment of the heating form of the centralized heat pump is too large, and the method mainly shows that extra investment such as large-area machine room occupation needs to be planned, extra investment on power transmission and transformation equipment needed by the centralized heat pump, a heat supply pipe network from the machine room to each building and the like. High energy consumption for transportation and the like. Compared with other heat pump coupling or cascade heat pump systems, the heat pump coupling or cascade heat pump system has no energy consumption of the compressor existing in the heat source side primary energy source system.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model adopt distributed energy tower for cold and hot source to high density house building group, utilize antifreeze to be heat transfer medium, and the operation of the small-size family of branch formula water ground source heat pump of each family of coupling realizes the supply of changes in temperature two ally oneself with to each family.
The technical scheme of the utility model:
an energy tower coupling household type water source heat pump antifreeze heat exchange cooling and heating system comprises an energy tower, wherein a lower circulation port is formed in the bottom of the energy tower, an antifreeze water inlet main pipe is communicated with the lower circulation port, and a heat exchange circulating water pump is arranged on the antifreeze water inlet main pipe;
an upper circulation port is formed in the upper part of the energy tower, and is communicated with an anti-freezing solution return main pipe;
at least two groups of small household type water-ground source heat pumps are connected in parallel between the antifreeze liquid inlet main pipe and the antifreeze liquid return main pipe.
Preferably, the small-sized household type water-ground source heat pump is communicated with the antifreeze solution return main pipe through a household main machine return branch pipe, the small-sized household type water-ground source heat pump is communicated with the antifreeze solution inlet main pipe through a household main machine water inlet branch pipe, and the household main machine return branch pipe is provided with an electric valve.
Preferably, the main machine of the small household type water-ground source heat pump is the main machine of the small household type water-ground source heat pump with rated refrigerating capacity below 20.0 KW.
Preferably, the bottom of the energy tower is provided with an antifreezing solution.
The utility model discloses the function of each part is introduced:
1. an energy tower: the energy tower technology is that water is contacted with air, heating in winter is a heat exchange area designed according to heat supply load capacity, low-grade heat energy in air with higher relative humidity in a low-temperature environment is efficiently extracted by using a carrier medium with a freezing point lower than zero, and low-grade heat energy is transferred to high grade in the low-temperature environment by inputting a small amount of high-grade energy (mainly consumed by a fan and without consumed by a compressor) into the energy tower to supply heat and cool a building. Cooling in summer, and using the heat source equipment to dissipate heat in the building through evaporation. The energy tower belongs to the conventional energy technology, has the branch of open energy tower and closed energy tower, the utility model discloses all can be suitable for.
2. The small-size family style water ground source heat pump host computer that divides: the utility model discloses a small-size family formula ground source heat pump host computer set forth, for the small-size ground source heat pump host computer of conventional type, rated refrigerating output is below 20.0 KW.
3. Anti-freezing solution: as a heat exchange medium of the energy tower and the household host, the antifreeze fluid with a proper temperature lower than the freezing point has good low-temperature resistance, no toxic or side effect, proper pH value and small influence on equipment corrosivity, and belongs to the conventional liquid antifreeze fluid.
4. Electric valve: the valve is controlled by an electric actuator so as to realize the opening and closing of the valve. The electric actuator can be divided into an upper part and a lower part, wherein the upper part is the electric actuator, and the lower part is the valve. The anti-freezing liquid pipeline plays a role of switching on and off the liquid.
The utility model has the advantages that:
the utility model discloses mainly be to the novel heating refrigeration bigeminy system that supplies that is similar to high density house building crowd popularization and application. The energy tower is used as a heat source and a heat sink, the technical and economic advantages of the energy tower are exerted, the energy tower is designed in a distributed mode, liquid anti-freezing liquid below the freezing point is used as a heat exchange medium, and the small household-type water-ground source heat pump host is coupled with each household to achieve heating and refrigeration. The air conditioner end of each household small heat pump is a fan coil or a floor heating system. The energy tower uses anti-freezing liquid as heat transfer medium, both as heat radiation equipment, also is the heat source equipment of branch family formula heat pump, and the high-efficient heat absorption in the low-order air is followed winter, provides the primary energy for small-size branch family formula ground source heat pump, and performance energy tower and ground source heat pump advantage separately, the high price/performance ratio, the operation of changes in temperature is realized to the technique is reliable the utility model discloses a core innovation point.
1) An energy tower is coupled with a household type water source heat pump antifreeze liquid heat exchange cooling and heating system, the energy tower is used as a heat source or a heat sink, a liquid refrigerant below the freezing point is used as a heat exchange medium, the small household type water source heat pump unit is coupled with a high cost performance to achieve the purpose of cooling and heating two-way supply, the energy tower is fully utilized as heat source equipment, widow atomized frost is not accumulated in winter to achieve efficient heat absorption from low-level air, investment is saved, efficiency is improved, technology is simplified, and the tail end of an air conditioner of each household type small heat pump is a fan coil or a floor heating device. The hot side of the cold and heat source exchanges heat with the antifreeze. Particularly, the energy tower is used as heat dissipation equipment in summer, and is also used as heating heat source equipment in winter, and the heat exchange is carried out through antifreeze liquid, so that the coupling operation of the small household water-ground source heat pump system is the core innovation point of the invention. The energy tower is coupled with a small household type water-ground source heat pump cold-hot dual supply innovation mode, household metering is realized, and the trouble of property charge management is avoided; the defects that an independent water-ground source heat pump system needs a buried pipe heat exchange system, is high in manufacturing cost and occupies a large area are overcome; the problem of low energy efficiency such as defrosting of an air energy heat pump is solved; the problems that other centralized coupling type heat pump cooling and heating systems need a machine room, additional transformer distribution equipment and a conveying pipe network, and the investment is high are overcome; the problems of high investment and operation cost of other heat pumps and coupling systems for centralized cooling and heating systems are solved.
2) An energy tower coupling individual type small water ground source heat pump antifreeze fluid heat exchange system overcomes the defects of a large-host centralized machine room ground source heat pump system adopted in the prior art, and is disadvantageous in that the centralized system needs to charge, the loss is large in the conveying process, the investment of disposable host equipment is overlarge and the like. The household system can flexibly start the batch investment according to the user requirement and the survival rate.
3) The energy tower coupling household type small water ground source heat pump antifreeze fluid heat exchange cooling and heating system has similar energy-saving effect as a soil source heat pump air conditioner, but the initial investment is reduced by about 40%. And compared with a ground source heat pump system, the low-grade energy extracted from the low-temperature air by the energy tower is not limited by energy storage, geothermal energy heat balance and the like.
4) The distributed energy tower is coupled with the individual household type small water ground source heat pump antifreeze solution heat exchange system, the system is efficient and environment-friendly, the power consumption of a compressor is avoided unlike other coupling systems, the utilization rate of equipment is improved, the initial investment is reduced, and the system is energy-saving and environment-friendly. Compared with an air energy heat pump, the air energy heat pump unit has the advantages of low energy consumption, long service life and no problems of frosting and defrosting of the air energy heat pump. Compared with other forms of heat pump coupling systems, the heat pump coupling system reduces the power consumption of the primary energy side compressor and only has the power consumption of the fan of the energy tower system, and is more energy-saving compared with other forms of heat pump coupling systems.
5) The energy tower is used as heat source equipment in winter, and is more suitable for areas with outdoor wet bulb temperature higher than-9 ℃. Compared with a ground source heat pump: the floor space is not limited by geological conditions and is small; and water source heat pump ratio: does not depend on heat sources such as underground water, surface water and the like; compared with an air-cooled heat pump: the host computer is placed in the machine room, and the noise is low and the power is high.
6) Compared with other heat pump central heating systems in any forms, the system has a series of economic and technical advantages of investment saving, high efficiency, reliable and simple technology, high cost performance and the like. The problem of high investment of other heat pump central heating systems in any forms can be solved. Other heat pump central heating systems in any form need to plan large-area machine room occupation, cold island effect exists in winter, hot island effect exists in summer, additional investment on transformer substation and other power transmission and transformation equipment required by the centralized heat pump and additional investment on a heat supply pipe network from the machine room to each building are needed, and the problems of high conveying energy consumption, low survival rate, overhigh heating cost, property management charge and the like are solved. And the distributed energy tower is used as a heat source, and the heat exchange is carried out through antifreeze solution, so that the heating and refrigerating dual-combined supply system of the household small water-ground source heat pump is coupled to overcome the problems of the centralized heat pump heating system: the power supply matched with each air conditioner is directly utilized, and an additional power distribution power supply is not needed to be added to a centralized heat pump heating system, so that the investment of a transformer substation of the centralized system is saved; each building of the energy tower heat-taking equipment is an independent unit (for example, the energy tower is dispersedly installed on the roof of each building), and 1 set of small water ground source heat pump host machine of each household can be installed in a pipe well. The distributed energy tower system does not have the problem of low efficiency such as frequent defrosting of an air energy heat pump system; compared with a ground source heat pump cooling and heating system, the ground source heat pump cooling and heating system does not need the defects of buried pipe investment, occupied place and the like.
7) The distributed energy tower is coupled with the household small-water ground source heat pump antifreeze liquid heat exchange cooling and heating system, so that the purposes of high efficiency, energy saving and technology simplification of the ground source heat pump system are achieved while the equipment investment is saved to the maximum extent. Therefore, compared with the traditional heat pump centralized/household heating in any form such as a ground source heat pump, an air energy heat pump and the like, the invention has incomparable economic and technical advantages.
Drawings
Fig. 1 is a flow chart of the system composition and operation process of the utility model.
In the attached drawings, 1, an energy tower; 2. a heat exchange circulating pump; 3. the antifreeze liquid enters the main water pipe; 3-1, branch water inlet pipes of the household main machines; 4. the antifreeze returns to the main pipe; 4-1, branch host backwater branch pipes; 5. a small-sized individual household type water-ground source heat pump; 6. an antifreeze; 7, an electric valve;
a: an upper circulation port; a-1: a lower circulation port.
Detailed Description
As shown in fig. 1, the utility model comprises an energy tower 1, wherein antifreeze solution 6 circularly radiates or absorbs heat in the energy tower 1, and a water inlet of a heat exchange circulating water pump 2 is connected with a lower circulating port a-1 at the bottom of the energy tower 1 through an antifreeze solution inlet main pipe 3; the water outlet of the heat exchange circulating pump 2 is connected with the antifreeze water inlet main pipe 3, a plurality of small household type water and ground source heat pumps 5 are respectively connected in parallel on the antifreeze water inlet main pipe 3 and the antifreeze water return main pipe 4 through a household main machine water inlet branch pipe 3-1/a household main machine water return branch pipe 4-1, the antifreeze water return main pipe 4 is connected with the upper circulation port a of the energy tower 1, the household main machine water return branch pipe 4-1 of each small household type water and ground source heat pump 5 is connected with an electrically operated valve 7 in series, when each small household type water and ground source heat pump 5 is started to operate, the electrically operated valve 7 is opened, the antifreeze 6 after heat exchange is converged to the antifreeze water return main pipe 4 through the electrically operated valve 7 and returns to the upper circulation port a of the energy tower 1 through the household main machine water return branch pipe 4-1, and after heat exchange is completed in the energy tower 1, the antifreeze water and heat are pumped to the antifreeze main pipe through the lower circulation port a-1 of the energy tower A pump 5 forming a complete heat exchange circulating system; when each small-sized individual household type water and ground source heat pump 5 is stopped, the electric valve 7 is closed, and each small-sized individual household type water and ground source heat pump 5 does not participate in heat exchange operation.
The specific operational process flow is as follows: the heat exchange circulating pump 2 is started to operate, the antifreeze solution 6 is pumped from a lower circulating port a-1 at the bottom of the source energy tower 1 and enters the antifreeze solution water inlet main pipe 3 through the heat exchange circulating pump 2 under pressure, the antifreeze solution 6 is driven by the heat exchange circulating pump 2 to flow in the antifreeze solution water inlet main pipe 3, when each small household type water source heat pump 5 operates, the electric valve 7 is opened, the antifreeze solution 6 enters the small household type water source heat pump 5 through the household main machine water inlet branch pipe 3-1 of the small household type water source heat pump 5 which is connected in parallel with the antifreeze solution water inlet main pipe 3 to exchange heat, then flows back to an upper circulating port a of the cold and heat source energy tower 1 through the antifreeze solution water return main pipe 4 in a gathering manner through the household main machine water return branch pipe 4-1 and the electric valve 7 which are connected in parallel with each small household type water source heat pump 5, the antifreeze solution 6 flows back to the lower circulating port a-1 at the bottom of the cold and heat, the antifreeze solution 6 after exchanging heat in the energy tower 1 is pumped into each household type host machine by the heat exchange circulating pump 2 through a pipeline to exchange heat, so that the transfer of energy between each household building and cold and hot air is realized, and the purposes of heating and refrigerating by household are realized through energy transfer.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of embodiments of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (4)
1. The utility model provides an energy tower coupling family splitting formula water source heat pump antifreeze solution heat transfer changes in temperature system which characterized in that: the anti-freezing solution heat exchanger comprises an energy tower (1), wherein a lower circulation port (a-1) is formed in the bottom of the energy tower (1), an anti-freezing solution water inlet main pipe (3) is communicated with the lower circulation port (a-1), and a heat exchange circulating water pump (2) is arranged on the anti-freezing solution water inlet main pipe (3);
an upper circulation port (a) is formed in the upper part of the energy tower (1), and an anti-freezing solution return main pipe (4) is communicated with the upper circulation port (a);
at least two groups of small household type water-ground source heat pumps (5) are connected in parallel between the antifreeze water inlet main pipe (3) and the antifreeze water return main pipe (4).
2. The energy tower coupling household type water source heat pump antifreeze heat exchange cooling and heating system according to claim 1, characterized in that: the small household type water and ground source heat pump (5) is communicated with the anti-freezing solution return main pipe (4) through a household main machine return branch pipe (4-1), the small household type water and ground source heat pump (5) is communicated with the anti-freezing solution inlet main pipe (3) through a household main machine water inlet branch pipe (3-1), and an electric valve (7) is arranged on the household main machine return branch pipe (4-1).
3. The energy tower coupling household type water source heat pump antifreeze heat exchange cooling and heating system according to claim 1, characterized in that: the main machine of the small household type water-ground source heat pump (5) is the main machine of the small household type water-ground source heat pump with rated refrigerating capacity below 20.0 KW.
4. The energy tower coupling household type water source heat pump antifreeze heat exchange cooling and heating system according to claim 1, characterized in that: the bottom of the energy tower (1) is provided with an antifreezing solution (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625604.XU CN211177235U (en) | 2019-09-27 | 2019-09-27 | Energy tower coupling household type water source heat pump antifreeze fluid heat exchange cooling and heating system |
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| CN201921625604.XU CN211177235U (en) | 2019-09-27 | 2019-09-27 | Energy tower coupling household type water source heat pump antifreeze fluid heat exchange cooling and heating system |
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| CN211177235U true CN211177235U (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525574A (en) * | 2020-11-20 | 2021-03-19 | 武汉万居隆电器有限公司 | On-line simulation detection platform of ground source heat pump unit |
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2019
- 2019-09-27 CN CN201921625604.XU patent/CN211177235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525574A (en) * | 2020-11-20 | 2021-03-19 | 武汉万居隆电器有限公司 | On-line simulation detection platform of ground source heat pump unit |
| CN112525574B (en) * | 2020-11-20 | 2022-05-03 | 武汉万居隆电器有限公司 | On-line simulation detection platform of ground source heat pump unit |
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