CN101858671A - Heat pump system of soil resource having function of regulating soil temperature - Google Patents

Heat pump system of soil resource having function of regulating soil temperature Download PDF

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Publication number
CN101858671A
CN101858671A CN 201010199375 CN201010199375A CN101858671A CN 101858671 A CN101858671 A CN 101858671A CN 201010199375 CN201010199375 CN 201010199375 CN 201010199375 A CN201010199375 A CN 201010199375A CN 101858671 A CN101858671 A CN 101858671A
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Prior art keywords
pipeline
pipe valve
soil
exchange device
vertical
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CN 201010199375
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Chinese (zh)
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CN101858671B (en
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倪龙
牛福新
董菲
姚杨
马最良
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

A heat pump system of soil resource having a function of regulating soil temperature relates to a heat pump system of soil source, solving the problems that the cold and heat loads of the current heat pump system of soil resource are not coordinated in winter and summer, the annual average temperature of the soil is decreased or increased year by year, the system operating efficiency is gradually reduced and the cannot operate normally. A plurality of heat exchangers of vertical U-shaped underground pipe are connected in parallel and are communicated with an outdoor heat exchange device; a first pipeline is provided with a first and a second pipeline valves; a second pipeline is provided with a fifth, a sixth and a seventh pipeline valves; a fifth pipeline is provided with an eighth and a ninth pipeline valves and a second circulating pump; heat pump machine sets are connected with the first and the second pipelines in parallel; a third pipeline between the first and second pipeline valves is provided with a third pipeline valve; and a fourth pipeline between the sixth and the seventh pipeline valves is provided with a first circulating pump and a fourth pipeline valve. The invention is suitable for heating and refrigerating buildings and supplying domestic hot water.

Description

Has the soil source heat pump system of regulating soil moisture function
Technical field
The present invention relates to a kind of soil source heat pump system, especially a kind of soil source heat pump system with adjusting soil moisture function.
Background technology
Soil source heat pump system is developed rapidly in 21 century as the energy conservation environmental protection air conditioner technology, and is widely used in the actual engineering.In experiment and actual engineering; the unmatched problem of soil source heat pump system ubiquity energy in summer in winter; soil source heat pump system with the condensation heat unloading in summer in soil; come out to heat with this part Energy extraction winter; regular meeting the winter soil source heat pump system occurs and does not provide sufficient amount of heat or do not provide sufficient cold summer; and soil is as the carrier of summer in winter energy charge; the year-round average temperature that soil can occur descends or problem such as rising year by year; behind long-play, the operational efficiency of system reduces.
Summary of the invention
The objective of the invention is not match in order to solve summer in existing soil source heat pump system winter cooling and heating load, the year-round average temperature of soil descends year by year or raises, the problem that running efficiency of system reduces gradually even causes system normally not move, and then a kind of soil source heat pump system of regulating soil moisture function that has is provided.
Technical scheme of the present invention is: it comprises a plurality of vertical U type ground heat exchangers, first pipeline, second pipeline, the 3rd pipeline, the 4th pipeline, the 5th pipeline, outdoor heat exchange device and source pump, it also comprises first pipe valve, second pipe valve, the 3rd pipe valve, the 4th pipe valve, the 5th pipe valve, the 6th pipe valve, the 7th pipe valve, the 8th pipe valve, the 9th pipe valve, circulating pump one and circulating pump two, described a plurality of vertical U type ground heat exchanger is set up in parallel, one end of one of them vertical U type ground heat exchanger is communicated with the arrival end of outdoor heat exchange device by first pipeline, the other end of this vertical U type ground heat exchanger is communicated with the port of export of outdoor heat exchange device by second pipeline, the two ends of remaining vertical U type ground heat exchanger are connected on first pipeline and second pipeline, the arrival end of described outdoor heat exchange device with near being disposed with first pipe valve and second pipe valve from left to right on the pipeline between the vertical U type ground heat exchanger of outdoor heat exchange device, the port of export of outdoor heat exchange device with near being disposed with the 5th pipe valve from left to right on the pipeline between the vertical U type ground heat exchanger of outdoor heat exchange device, the 6th pipe valve and the 7th pipe valve, the two ends of the 5th pipe valve of close outdoor heat exchange device are parallel with the 5th pipeline, be disposed with the 8th pipe valve on described the 5th pipeline, circulating pump two and the 9th pipe valve, described source pump be connected in parallel on the outdoor heat exchange device with near on the pipeline between the vertical U type ground heat exchanger of outdoor heat exchange device, the arrival end of source pump is by the 3rd pipeline and first pipeline connection, the 3rd pipeline is between first pipe valve and second pipe valve, the port of export of source pump is by the 4th pipeline and second pipeline connection, the 4th pipeline is between the 6th pipe valve and the 7th pipe valve, described the 4th pipeline is provided with circulating pump one and the 4th pipe valve, and the 3rd pipeline is provided with the 3rd pipe valve.
The present invention has following beneficial effect: the present invention is by the switching of pipe valve, make this system have the function of soil source heat pump, air source heat pump and the adjusting soil moisture, by the active adjustment soil moisture, the excursion of the control soil moisture guarantees soil source heat pump operation steady in a long-term; This invention is not only applicable to the design of new system, can also be applied to the transformation to existing soil source heat pump system, recovers the efficient of existing system.
Description of drawings
Fig. 1 is a system architecture schematic diagram of the present invention.
The specific embodiment
The specific embodiment one: the soil source heat pump system of regulating soil moisture function that has that present embodiment is described in conjunction with Fig. 1, it comprises a plurality of vertical U type ground heat exchangers 1, the first pipeline A, the second pipeline B, the 3rd pipeline C, the 4th pipeline D, the 5th pipeline E, outdoor heat exchange device 4 and source pump 5, it also comprises first pipe valve 9, second pipe valve 13, the 3rd pipe valve 12, the 4th pipe valve 11, the 5th pipe valve 8, the 6th pipe valve 10, the 7th pipe valve 14, the 8th pipe valve 6, the 9th pipe valve 7, circulating pump 1 and circulating pump 23, described a plurality of vertical U type ground heat exchanger 1 is set up in parallel, one end of one of them vertical U type ground heat exchanger 1 is communicated with the arrival end c of outdoor heat exchange device 4 by the first pipeline A, the other end of this vertical U type ground heat exchanger 1 is communicated with the port of export d of outdoor heat exchange device 4 by the second pipeline B, the two ends of remaining vertical U type ground heat exchanger 1 are connected on the first pipeline A and the second pipeline B, the arrival end c of described outdoor heat exchange device 4 with near being disposed with first pipe valve 9 and second pipe valve 13 from left to right on the pipeline between the vertical U type ground heat exchanger 1 of outdoor heat exchange device 4, the port of export d of outdoor heat exchange device 4 with near being disposed with the 5th pipe valve 8 from left to right on the pipeline between the vertical U type ground heat exchanger 1 of outdoor heat exchange device 4, the 6th pipe valve 10 and the 7th pipe valve 14, the two ends of the 5th pipe valve 8 of close outdoor heat exchange device 4 are parallel with the 5th pipeline E, be disposed with the 8th pipe valve 6 on described the 5th pipeline E, circulating pump 23 and the 9th pipe valve 7, described source pump 5 be connected in parallel on outdoor heat exchange device 4 with near on the pipeline between the vertical U type ground heat exchanger 1 of outdoor heat exchange device 4, the arrival end f of source pump 5 is communicated with the first pipeline A by the 3rd pipeline C, the 3rd pipeline C is between first pipe valve 9 and second pipe valve 13, the port of export e of source pump 5 is communicated with the second pipeline B by the 4th pipeline D, the 4th pipeline D is between the 6th pipe valve 10 and the 7th pipe valve 14, described the 4th pipeline D is provided with circulating pump 1 and the 4th pipe valve 11, the three pipeline C are provided with the 3rd pipe valve 12.
The specific embodiment two: the soil source heat pump system of regulating soil moisture function that has in conjunction with Fig. 1 illustrates present embodiment all is full of heat transferring medium in described a plurality of vertical U type ground heat exchangers 1, the first pipeline A, the second pipeline B, the 3rd pipeline C, the 4th pipeline D and the 5th pipeline E.Other compositions of present embodiment are identical with the specific embodiment one with annexation.
The specific embodiment three: illustrate that in conjunction with Fig. 1 having of present embodiment regulate the soil source heat pump system of soil moisture function, described heat transferring medium is an ethylene glycol solution.For guaranteeing that this soil source heat pump system can steady in a long-term move, the control soil moisture fluctuates in fixing temperature range, this system passes through outdoor heat exchanger 4 and air heat exchange by the ethylene glycol solution in a plurality of vertical U type ground heat exchangers 1, thereby realizes regulating the purpose of temperature.In the area that thermic load is dominant, can pass through outdoor heat exchanger 4 with airborne heat transferred ethylene glycol solution in summer, thereby heat is stored in the soil by a plurality of vertical U type ground heat exchangers 1; In the area that refrigeration duty is dominant, can by outdoor heat exchanger 4 airborne cold be passed to ethylene glycol solution in the winter time, thereby by a plurality of vertical U type ground heat exchangers 1 cold is stored in the soil, has realized the energy adjustment of system under the different load condition, make system stable operation.Other compositions of present embodiment are identical with the specific embodiment one or two with annexation.
Operation principle:
The present invention is by switching the purpose of the unlatching realization adjusting temperature between the pipe valve, following operation and adjusting pattern are arranged: (one) closes first pipe valve 9 and the 6th pipe valve 10, open the 4th pipe valve 11, the 3rd pipe valve 12, second pipe valve 13 and the 7th pipe valve 14, source pump 5 constitutes the loop with a plurality of vertical U type ground heat exchangers 1, realizes the heat supply and the refrigeration of soil source heat pump; (2) close the 4th pipe valve 11, the 3rd pipe valve 12 and the 5th pipe valve 8, open the 8th pipe valve 6, the 9th pipe valve 7, first pipe valve 9, the 6th pipe valve 10, second pipe valve 13 and the 7th pipe valve 14, outdoor heat exchanger 4 constitutes the loop with a plurality of vertical U type ground heat exchangers 1, by the regulation and control of outdoor heat exchanger 4 realizations to the soil moisture, thereby the temperature of maintenance soil in the reasonable scope.During winter, the heat that provides when soil source heat pump can not satisfy thermic load when wanting, can in summer the air heat be stored in the soil by outdoor heat exchanger 4, to solve the soil source heat pump problem of heat capacity deficiency in the winter time, and the cold that soil source heat pump provides when summer can not satisfy under the situation of refrigeration duty requirement, be stored in air cold in soil by outdoor heat exchanger 4 winter, reaches the purpose of the regulation and control soil moisture; (3) close the 8th pipe valve 6, the 9th pipe valve 7, second pipe valve 13 and the 7th pipe valve 14, open the 5th pipe valve 8, first pipe valve 9, the 6th pipe valve 10, the 4th pipe valve 11 and the 3rd pipe valve 12, outdoor heat exchanger 4 constitutes the loop with source pump 5, this moment, system had the function of air source heat pump, realization can allow the soil moisture carry out self-regulation and recovery certainly simultaneously to the heat supply and the refrigeration of building; (4) close the 8th pipe valve 6 and the 9th pipe valve 7, other pipe valves are all opened, this moment, outdoor heat exchanger 4 and source pump 5 were all in parallel with ground heat exchanger 1, and outdoor heat exchanger 4 communicates with source pump 5, realized the dual-use function of soil source heat pump and air source heat pump, by air and soil to space heating or refrigeration, can be by regulating the load proportion that air and soil are born, and then the control soil moisture.

Claims (3)

1. one kind has the soil source heat pump system of regulating soil moisture function, it comprises a plurality of vertical U type ground heat exchangers (1), first pipeline (A), second pipeline (B), the 3rd pipeline (C), the 4th pipeline (D), the 5th pipeline (E), outdoor heat exchange device (4) and source pump (5), it is characterized in that: it also comprises first pipe valve (9), second pipe valve (13), the 3rd pipe valve (12), the 4th pipe valve (11), the 5th pipe valve (8), the 6th pipe valve (10), the 7th pipe valve (14), the 8th pipe valve (6), the 9th pipe valve (7), circulating pump one (2) and circulating pump two (3), described a plurality of vertical U type ground heat exchangers (1) are set up in parallel, one end of one of them vertical U type ground heat exchanger (1) is communicated with the arrival end (c) of outdoor heat exchange device (4) by first pipeline (A), the other end of this vertical U type ground heat exchanger (1) is communicated with the port of export (d) of outdoor heat exchange device (4) by second pipeline (B), the two ends of remaining vertical U type ground heat exchanger (1) are connected on first pipeline (A) and second pipeline (B), the arrival end (c) of described outdoor heat exchange device (4) with near being disposed with first pipe valve (9) and second pipe valve (13) from left to right on the pipeline between the vertical U type ground heat exchanger (1) of outdoor heat exchange device (4), the port of export (d) of outdoor heat exchange device (4) with near being disposed with the 5th pipe valve (8) from left to right on the pipeline between the vertical U type ground heat exchanger (1) of outdoor heat exchange device (4), the 6th pipe valve (10) and the 7th pipe valve (14), the two ends of the 5th pipe valve (8) of close outdoor heat exchange device (4) are parallel with the 5th pipeline (E), be disposed with the 8th pipe valve (6) on described the 5th pipeline (E), circulating pump two (3) and the 9th pipe valve (7), described source pump (5) be connected in parallel on outdoor heat exchange device (4) with near on the pipeline between the vertical U type ground heat exchanger (1) of outdoor heat exchange device (4), the arrival end (f) of source pump (5) is communicated with first pipeline (A) by the 3rd pipeline (C), the 3rd pipeline (C) is positioned between first pipe valve (9) and second pipe valve (13), the port of export (e) of source pump (5) is communicated with second pipeline (B) by the 4th pipeline (D), the 4th pipeline (D) is positioned between the 6th pipe valve (10) and the 7th pipe valve (14), described the 4th pipeline (D) is provided with circulating pump one (2) and the 4th pipe valve (11), and the 3rd pipeline (C) is provided with the 3rd pipe valve (12).
2. the soil source heat pump system with adjusting soil moisture function according to claim 1 is characterized in that: all be full of heat transferring medium in described a plurality of vertical U type ground heat exchangers (1), first pipeline (A), second pipeline (B), the 3rd pipeline (C), the 4th pipeline (D) and the 5th pipeline (E).
3. the soil source heat pump system with adjusting soil moisture function according to claim 2, it is characterized in that: described heat transferring medium is an ethylene glycol solution.
CN2010101993757A 2010-06-12 2010-06-12 Heat pump system of soil resource having function of regulating soil temperature Active CN101858671B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102252458A (en) * 2011-05-10 2011-11-23 王志林 Soil-layer thermostatic device of ground-source heat pump system
CN102331053A (en) * 2011-05-03 2012-01-25 神华集团有限责任公司 Heat pump system
CN104266410A (en) * 2011-05-10 2015-01-07 王志林 Soil-layer constant temperature device of ground-source heat pump system
CN110822599A (en) * 2019-11-21 2020-02-21 东北大学 Refrigeration system and refrigeration method for season-shift utilization of natural cold source
CN110822598A (en) * 2019-11-21 2020-02-21 东北大学 Refrigerating system and refrigerating method based on cross-season cold accumulation

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Publication number Priority date Publication date Assignee Title
US4327560A (en) * 1980-06-03 1982-05-04 Leon Harry I Earth-embedded, temperature-stabilized heat exchanger
CN2720355Y (en) * 2004-05-31 2005-08-24 江苏工业民用建筑设计院 Central air-conditioner of ground source heat-pump
KR100556267B1 (en) * 2004-11-09 2006-03-03 (주)뉴그린테크 Hybrid heat-pump system using geotherm and air-heat
CN1746571A (en) * 2005-09-28 2006-03-15 哈尔滨工业大学 Soil cold-storage and coupled integrating system of hot pump
JP2006292310A (en) * 2005-04-13 2006-10-26 Nippon Steel Engineering Co Ltd Geothermal heat pump device, geothermal unit having it, and control method of geothermal heat pump device
CN201032233Y (en) * 2006-12-26 2008-03-05 山东华电华源环境工程有限公司 Cold and heat storage type ground source heat pump central air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4327560A (en) * 1980-06-03 1982-05-04 Leon Harry I Earth-embedded, temperature-stabilized heat exchanger
CN2720355Y (en) * 2004-05-31 2005-08-24 江苏工业民用建筑设计院 Central air-conditioner of ground source heat-pump
KR100556267B1 (en) * 2004-11-09 2006-03-03 (주)뉴그린테크 Hybrid heat-pump system using geotherm and air-heat
JP2006292310A (en) * 2005-04-13 2006-10-26 Nippon Steel Engineering Co Ltd Geothermal heat pump device, geothermal unit having it, and control method of geothermal heat pump device
CN1746571A (en) * 2005-09-28 2006-03-15 哈尔滨工业大学 Soil cold-storage and coupled integrating system of hot pump
CN201032233Y (en) * 2006-12-26 2008-03-05 山东华电华源环境工程有限公司 Cold and heat storage type ground source heat pump central air conditioner

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102331053A (en) * 2011-05-03 2012-01-25 神华集团有限责任公司 Heat pump system
CN102331053B (en) * 2011-05-03 2013-10-23 神华集团有限责任公司 Heat pump system
CN102252458A (en) * 2011-05-10 2011-11-23 王志林 Soil-layer thermostatic device of ground-source heat pump system
CN104266410A (en) * 2011-05-10 2015-01-07 王志林 Soil-layer constant temperature device of ground-source heat pump system
CN110822599A (en) * 2019-11-21 2020-02-21 东北大学 Refrigeration system and refrigeration method for season-shift utilization of natural cold source
CN110822598A (en) * 2019-11-21 2020-02-21 东北大学 Refrigerating system and refrigerating method based on cross-season cold accumulation
CN110822599B (en) * 2019-11-21 2021-05-04 东北大学 Refrigeration system and refrigeration method for season-shift utilization of natural cold source

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