CN214148422U - Ultralow-consumption ground source heat pump refrigerating and heating system - Google Patents
Ultralow-consumption ground source heat pump refrigerating and heating system Download PDFInfo
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- CN214148422U CN214148422U CN202022957855.7U CN202022957855U CN214148422U CN 214148422 U CN214148422 U CN 214148422U CN 202022957855 U CN202022957855 U CN 202022957855U CN 214148422 U CN214148422 U CN 214148422U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 238000005057 refrigeration Methods 0.000 claims abstract description 14
- 238000004378 air conditioning Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 abstract description 12
- 239000003570 air Substances 0.000 description 29
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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Abstract
本实用新型公开了一种超低耗地源热泵制冷制暖系统，包括地下埋管、第一循环泵、第二循环泵和地源热泵机组；地下埋管的出水口与第一循环泵的进水端连接，第二循环泵的进水端与外接空调侧回水端连接，第一循环泵的出水端与第二循环泵的出水端之间并联有第一支路和第二支路，第一支路上依次安装有A1阀门和A2阀门，第二支路上依次安装有B1阀门和B2阀门，地下埋管的进水口与外接空调侧供水端之间通过并联的第三支路和第四支路连接，第三支路上依次安装有C1阀门和C2阀门，第四支路上依次安装有D1阀门和D2阀门。本实用新型的目的是提供一种超低耗地源热泵制冷制暖系统，能够满足冬季供暖、夏季供冷和初夏季节供冷的需要。
The utility model discloses an ultra-low consumption ground source heat pump refrigeration and heating system, which comprises an underground buried pipe, a first circulating pump, a second circulating pump and a ground source heat pump unit; The water inlet end is connected, the water inlet end of the second circulating pump is connected with the return water end of the external air conditioner side, and the first branch circuit and the second branch circuit are connected in parallel between the water outlet end of the first circulating pump and the water outlet end of the second circulating pump , A1 valve and A2 valve are installed in sequence on the first branch, B1 valve and B2 valve are installed in sequence on the second branch, the water inlet of the buried pipe and the water supply end of the external air conditioner side are connected in parallel through the third branch and the first branch. Four branches are connected, the third branch is installed with C1 valve and C2 valve in turn, and the fourth branch is installed with D1 valve and D2 valve in turn. The purpose of the utility model is to provide an ultra-low consumption ground source heat pump refrigeration and heating system, which can meet the needs of heating in winter, cooling in summer and cooling in early summer.
Description
Technical Field
The utility model relates to a ground source heat pump field. More specifically, the utility model relates to an ultra low consumption ground source heat pump system of heating and cooling.
Background
With the rapid development of economy and the continuous improvement of living standard of people, heating and air conditioning of public buildings and houses have become a common requirement. The traditional heat supply coal-fired boiler mode not only has low energy storage, but also causes serious pollution to the atmosphere, and the gas-fired boiler mode and the like have high operation cost. The ground source heat pump is an effective alternative mode which has great technical and economic advantages and can solve the problems of heat supply and air conditioning.
The ground source heat pump can realize the transfer of energy from a low-temperature heat source to a high-temperature heat source by inputting a small amount of high-grade energy (electric energy). In winter, the heat in the soil is taken out, and the soil is supplied to the indoor for heating after the temperature is increased; in summer, the indoor heat is taken out and released to the soil, and the balance of underground temperature can be ensured throughout the year. The heat pump technology utilizes green and environment-friendly products of renewable energy sources. The air conditioning system is a high-efficiency energy-saving environment-friendly air conditioning system which can supply heat and refrigerate by using underground shallow geothermal resources.
However, the temperature is continuously increased, and the number of days of high temperature in summer is increased year by year. People also have more urgent need for refrigeration in early summer, and the ground source heat pump unit is started at the moment, so that the comfortable effect of the air conditioner can be achieved, but the operation cost is relatively high.
The country always supports advocating the use of clean green energy. The heat pump technology belongs to the renewable energy utilization technology and has obvious environmental benefit. The heat pump system is utilized to develop and utilize abundant and renewable underground geothermal resources to replace the original refrigeration and heating mode, and the damage to the environment is reduced. The original mode not only reduces the existing resources increasingly but also causes serious environmental problems, influences the environmental balance and brings serious challenges to the future development of human beings. The heat pump belongs to an economical and effective energy-saving technology. The temperature of geothermal energy or ground surface shallow geothermal resources is relatively stable throughout the year, is higher than the ambient air temperature in winter and lower than the ambient air temperature in summer, and is a good heat pump heat source and air conditioning cold source, and the temperature characteristic enables the operating efficiency of a ground source heat pump to be 40% higher than that of a traditional air conditioning system, so that the energy is saved and the operating cost is saved by about 40%. In addition, the constant geothermal energy temperature ensures that the heat pump unit operates more reliably and stably and ensures the high efficiency and the economy of the system. And the later maintenance cost is low. On this basis, the utility model discloses can satisfy the refrigeration of the ultralow energy consumption in early summer season simultaneously. Refrigeration can be realized through the invention without starting the ground source heat pump unit. According to big data in recent years, the temperature in summer keeps rising, the days of high-temperature weather are increasing, and the demand of people on refrigeration in summer, especially the demand of refrigeration comfort in early summer is urgent increasingly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a super low consumption ground source heat pump refrigeration system of heating can satisfy the needs of heating in winter, summer cooling and cooling in early summer season, not only can provide comfortable nice and cool temperature in summer more for the user, also can be in advance for the underground backheat simultaneously, makes the unit operation more stable, and the life-span is longer. Meanwhile, the circulating mode greatly reduces the operating cost, meets the requirements of economy, saving, environmental protection and relieves the occurrence of formation heat accumulation.
To achieve these objects and other advantages in accordance with the present invention, there is provided an ultra low consumption ground source heat pump cooling and heating system, comprising an underground pipe, a first circulating pump, a second circulating pump and a ground source heat pump unit; the water outlet of the underground buried pipe is connected with the water inlet end of the first circulating pump, the water inlet end of the second circulating pump is connected with the side water return end of the external air conditioner, a first branch and a second branch are connected in parallel between the water outlet end of the first circulating pump and the water outlet end of the second circulating pump, the first branch is sequentially provided with an A1 valve and an A2 valve, the second branch is sequentially provided with a B1 valve and a B2 valve, the water inlet of the underground buried pipe is connected with the water supply end of the external air conditioner side through a third branch and a fourth branch which are connected in parallel, the third branch is sequentially provided with a C1 valve and a C2 valve, the fourth branch is sequentially provided with a D1 valve and a D2 valve, the water inlet of the evaporator of the ground source heat pump unit is communicated with the part of the first branch between the valve A1 and the valve A2, the water outlet of the water inlet is communicated with the part of the third branch between the C1 valve and the C2 valve; the water inlet of the condenser of the ground source heat pump unit is communicated with the part of the second branch circuit, which is positioned between the valve B1 and the valve B2, and the water outlet of the condenser of the ground source heat pump unit is communicated with the part of the fourth branch circuit, which is positioned between the valve D1 and the valve D2.
Preferably, the ultra-low consumption ground source heat pump refrigerating and heating system further comprises a constant-pressure water replenishing device, and a water outlet end of the constant-pressure water replenishing device is communicated with a pipeline connected with the second circulating pump and a water return end on the external air conditioner side.
Preferably, the ultra-low consumption ground source heat pump refrigerating and heating system further comprises a softened water tank, and a water outlet end of the softened water tank is communicated with a water inlet end of the constant-pressure water supplementing device.
Preferably, in the ultra-low consumption ground source heat pump refrigerating and heating system, an E valve is arranged on a pipeline connecting the second circulating pump and the external air conditioner side water return end, a water outlet of the underground buried pipe and the external air conditioner side water return end are connected through a pipeline, a G valve is arranged on the pipeline connecting the second circulating pump and the external air conditioner side water return end, a water inlet of the underground buried pipe is connected with the second circulating pump through a pipeline, the second circulating pump and the E valve are connected through a pipeline, an F valve is arranged on the pipeline connecting the second circulating pump and the external air conditioner side water supply end, the second circulating pump and the external air conditioner side water supply end are connected through a pipeline, and an H valve is arranged on the pipeline connecting the second circulating pump and the external air conditioner side water supply end.
The utility model discloses a super low consumption ground source heat pump refrigeration system of heating outside the refrigeration demand that satisfies normal refrigeration season, very big reduction working costs again provides optimum temperature for the user simultaneously. The mode meets the best experience requirements of users, is economic and economical, and has a green environment-friendly operation mode with high utilization rate of resources.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the ultra-low consumption ground source heat pump cooling and heating system of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It should be noted that, in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides an ultra-low consumption ground source heat pump cooling and heating system, which includes an underground pipe 1, a first circulation pump 2, a second circulation pump 3 and a ground source heat pump unit; the water outlet of the underground buried pipe 1 is connected with the water inlet end of the first circulating pump 2, the water inlet end of the second circulating pump 3 is connected with the water return end of the external air conditioner, a first branch and a second branch are connected in parallel between the water outlet end of the first circulating pump 2 and the water outlet end of the second circulating pump 3, the first branch is sequentially provided with an A1 valve and an A2 valve, the second branch is sequentially provided with a B1 valve and a B2 valve, the water inlet of the underground buried pipe 1 is connected with the water supply end of the external air conditioner side through a third branch and a fourth branch which are connected in parallel, the third branch is sequentially provided with a C1 valve and a C2 valve, the fourth branch is sequentially provided with a D1 valve and a D2 valve, the water inlet of the evaporator 4 of the ground source heat pump unit is communicated with the part of the first branch between the valve A1 and the valve A2, the water outlet of the water inlet is communicated with the part of the third branch between the C1 valve and the C2 valve; the water inlet of the condenser 5 of the ground source heat pump unit is communicated with the part of the second branch between the B1 valve and the B2 valve, and the water outlet of the condenser is communicated with the part of the fourth branch between the D1 valve and the D2 valve; the constant-pressure water replenishing device is characterized by further comprising a constant-pressure water replenishing device 6, wherein the water outlet end of the constant-pressure water replenishing device 6 is communicated with a pipeline which is connected with the second circulating pump 3 and an external air conditioner side water return end; the constant pressure water replenishing device is characterized by further comprising a softening water tank 7, wherein the water outlet end of the softening water tank 7 is communicated with the water inlet end of the constant pressure water replenishing device 6.
In the above embodiment, during cooling in summer, the a1 valve, the B2 valve, the C1 valve and the D2 valve are all closed, and the a2 valve, the B1 valve, the C2 valve and the D1 valve are all opened; starting the first circulating pump 2, the second circulating pump 3 and the ground source heat pump unit, and forming a first loop among the underground buried pipe 1, the first circulating pump 2 and a condenser 5 of the ground source heat pump unit; the external air conditioner side water return end and the external air conditioner side water inlet end are respectively used as a water outlet and a water inlet of the external air conditioner system, and a second loop is formed among the external air conditioner system, the second circulating pump 3 and the evaporator 4 of the ground source heat pump unit. The evaporator 4 side of the ground source heat pump unit absorbs heat at the air conditioner side (realizes indoor cooling), energy is converted and transmitted to the condenser 5 through evaporation and condensation of refrigerant media of a loop in the unit, so that the heat of circulating water in the second loop is transmitted to circulating water of the first loop through the ground source heat pump unit, and the circulating water of the first loop is cooled when flowing through the underground pipe 1, so that the ultralow-consumption ground source heat pump refrigerating and heating system can realize an ultralow-consumption ground source heat pump refrigerating method.
In winter heating, the A2 valve, the B1 valve, the C2 valve and the D1 valve are all closed, and the A1 valve, the B2 valve, the C1 valve and the D2 valve are all opened; and starting the first circulating pump 2, the second circulating pump 3 and the ground source heat pump unit, forming a first loop among the underground buried pipe 1, the first circulating pump 2 and the evaporator 4 of the ground source heat pump unit, and forming a second loop among the external air conditioning system, the second circulating pump 3 and the condenser 5 of the ground source heat pump unit. The evaporator 4 side of the ground source heat pump unit absorbs the heat of the buried pipe, the evaporator 4 side of the ground source heat pump unit absorbs the heat of the ground source side, energy is converted and transmitted to the condenser 5 (indoor temperature rise is realized) through evaporation and condensation of refrigerant media of a loop in the unit, therefore, the heat of circulating water in the first loop is transmitted to circulating water in the second loop through the ground source heat pump unit, and the circulating water in the second loop releases heat when flowing through the indoor tail end, so that the ultra-low consumption ground source heat pump refrigerating and heating system can realize the ultra-low consumption ground source heat pump refrigerating and heating method.
In the embodiment, in order to ensure the normal use of the ultra-low consumption ground source heat pump refrigerating and heating system, the water pressure of the second loop needs to be ensured during cooling in summer; and when heating in winter, the water pressure of the first loop needs to be ensured. In this embodiment, the constant pressure water replenishing device 6 is provided, and the water outlet end of the constant pressure water replenishing device 6 is communicated with the pipeline connecting the second circulating pump 3 and the external air conditioner side water return end, so that the soft water in the softened water tank 7 can be replenished into the second loop at any time. Meanwhile, as shown in fig. 1, the water inlet of the underground buried pipe 1 is connected with a pipeline connecting the second circulating pump 3 and the valve E through a pipeline, so that the soft water in the softened water tank 7 is supplemented into the first loop at any time through the constant pressure water supplementing device 6 during heating in winter.
Preferably, in the ultra-low consumption ground source heat pump refrigerating and heating system, an E valve is arranged on a pipeline connecting the second circulating pump 3 and the external air conditioner side water return end, a water outlet of the underground buried pipe 1 and the external air conditioner side water return end are connected through a pipeline, a G valve is arranged on the pipeline connecting the second circulating pump 3 and the external air conditioner side water return end, a water inlet of the underground buried pipe 1 is connected with the second circulating pump 3 through a pipeline, the E valve is connected with the second circulating pump through a pipeline, the pipeline connecting the second circulating pump and the external air conditioner side water supply end is provided with an F valve, the water inlet end of the second circulating pump 3 is connected with the external air conditioner side water supply end through a pipeline, and the pipeline connecting the second circulating pump and the external air conditioner side water supply end is provided with an H valve.
In the above embodiment, since the air temperature is not very high in early summer, only a small amount of cooling needs to be performed in the room to keep the room cool, water in the underground pipe 1 can be directly introduced into the air conditioning system in early summer, so that the underground pipe 1 and the air conditioning system form a loop, specifically, the a1 valve, the a2 valve, the B1 valve, the B2 valve, the C1 valve, the C2 valve, the D1 valve, the D2 valve and the E valve are all closed, and the F valve, the G valve and the H valve are simultaneously opened; open second circulating pump 3, through the circulating water flow that second circulating pump 3 drove external air conditioner side return water department sends into external air conditioner side water supply end after buried pipe 1 cools down, and buried pipe 1, second circulating pump 3 and air conditioning system form the return circuit this moment, and with the circulating water flow through during buried pipe 1 cool down, then will cool down the water after by external air conditioner side water supply end get into air conditioning system in, cool down indoor.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (4)
1. An ultra-low consumption ground source heat pump refrigerating and heating system is characterized by comprising an underground buried pipe (1), a first circulating pump (2), a second circulating pump (3) and a ground source heat pump unit; the water outlet of the underground buried pipe (1) is connected with the water inlet end of the first circulating pump (2), the water inlet end of the second circulating pump (3) is connected with the external air conditioner side backwater end, the water outlet end of the first circulating pump (2) is connected with the water outlet end of the second circulating pump (3) in parallel to form a first branch and a second branch, the first branch is sequentially provided with an A1 valve and an A2 valve, the second branch is sequentially provided with a B1 valve and a B2 valve, the water inlet of the underground buried pipe (1) is connected with the external air conditioner side water supply end through a third branch and a fourth branch which are connected in parallel, the third branch is sequentially provided with a C1 valve and a C2 valve, the fourth branch is sequentially provided with a D1 valve and a D2 valve, the water inlet of the evaporator (4) of the ground source heat pump unit is communicated with the first branch between the A1 valve and the A2 valve, the water outlet of the water inlet is communicated with the part of the third branch between the C1 valve and the C2 valve; the water inlet of a condenser (5) of the ground source heat pump unit is communicated with the part of the second branch circuit between the B1 valve and the B2 valve, and the water outlet of the condenser is communicated with the part of the fourth branch circuit between the D1 valve and the D2 valve.
2. The refrigeration and heating system of the ultra-low consumption ground source heat pump as claimed in claim 1, further comprising a constant pressure water replenishing device (6), wherein a water outlet end of the constant pressure water replenishing device (6) is communicated with a pipeline connecting the second circulating pump (3) and a return water end of an external air conditioner side.
3. The refrigeration and heating system of the ultra-low consumption ground source heat pump as claimed in claim 2, further comprising a softened water tank (7), wherein the water outlet end of the softened water tank (7) is communicated with the water inlet end of the constant pressure water replenishing device (6).
4. The ultra-low consumption ground source heat pump refrigerating and heating system as claimed in any one of claims 1 to 3, wherein an E valve is provided on the pipeline connecting the second circulating pump (3) and the external air-conditioning side water return end, the water outlet of the underground pipe (1) and the external air-conditioning side water return end are connected through a pipeline, a G valve is provided on the pipeline connecting the two, the water inlet of the underground pipe (1) is connected through a pipeline connecting the second circulating pump (3) and the E valve, an F valve is provided on the pipeline connecting the two, the water inlet of the second circulating pump (3) and the external air-conditioning side water supply end are connected through a pipeline, and an H valve is provided on the pipeline connecting the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022957855.7U CN214148422U (en) | 2020-12-09 | 2020-12-09 | Ultralow-consumption ground source heat pump refrigerating and heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022957855.7U CN214148422U (en) | 2020-12-09 | 2020-12-09 | Ultralow-consumption ground source heat pump refrigerating and heating system |
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| CN214148422U true CN214148422U (en) | 2021-09-07 |
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| CN202022957855.7U Expired - Fee Related CN214148422U (en) | 2020-12-09 | 2020-12-09 | Ultralow-consumption ground source heat pump refrigerating and heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524846A (en) * | 2020-12-09 | 2021-03-19 | 中国煤炭地质总局水文地质局 | Ultralow-consumption ground source heat pump refrigerating and heating system |
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2020
- 2020-12-09 CN CN202022957855.7U patent/CN214148422U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524846A (en) * | 2020-12-09 | 2021-03-19 | 中国煤炭地质总局水文地质局 | Ultralow-consumption ground source heat pump refrigerating and heating system |
| CN112524846B (en) * | 2020-12-09 | 2024-06-18 | 中国煤炭地质总局水文地质局 | Ultralow-consumption ground source heat pump refrigerating and heating system |
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Address after: 071700 Building 3, Business Service Center, No. 3 Baita Road, Rongcheng County, Xiong'an New District, Baoding City, Hebei Province 317-006 Patentee after: Middling coal Hydrology Bureau Group (Xiong'an) Geothermal Technology Co.,Ltd. Country or region after: China Address before: Building 1, Xingqi Center Factory Building, No. 3 Haitai Development Road, Huayuan Industrial Zone (Outer Ring), Binhai High tech Zone, Xiqing District, Tianjin City Patentee before: ZHONGNENGHUA GREEN ENERGY TECHNOLOGY Co.,Ltd. Country or region before: China |
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Granted publication date: 20210907 |