CN201764713U - Solar hot water system for dry heat supply - Google Patents

Solar hot water system for dry heat supply Download PDF

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Publication number
CN201764713U
CN201764713U CN2010205184954U CN201020518495U CN201764713U CN 201764713 U CN201764713 U CN 201764713U CN 2010205184954 U CN2010205184954 U CN 2010205184954U CN 201020518495 U CN201020518495 U CN 201020518495U CN 201764713 U CN201764713 U CN 201764713U
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China
Prior art keywords
water
water tank
tank
stop valve
heat exchanger
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Expired - Lifetime
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CN2010205184954U
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Chinese (zh)
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鲁涛
郭华芳
田永军
柳青
尹华
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Guangzhou Institute of Energy Conversion of CAS
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Guangzhou Institute of Energy Conversion of CAS
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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Abstract

The utility model discloses a solar hot water system for dry heat supply, a solar thermal collector and a buffering water tank form a loop, an auxiliary heater is connected with the solar thermal collector in parallel, and a pipeline connected with the buffering water tank is provided with a circulating pump; a water-air heat exchanger of the buffering water tank forms a loop, a pipeline connected with the water-air heat exchanger is provided with a circulating pump, an overflow port of the buffering water tank is connected with an water inlet of a high-temperature water tank, and a pipeline between the overflow port and the water inlet is provided with a stop valve; an water outlet of the high-temperature water tank is connected with an water inlet of the water-air heat exchanger, and a pipeline between the water outlet of the high-temperature water tank and the water inlet of the water-air heat exchanger is provided with a stop valve; an water inlet of a low-temperature water tank is connected with the water outlet of the water-air heat exchanger, a pipeline between the water inlet of a low-temperature water tank and the water outlet of the water-air heat exchanger is provided with a stop valve, the water outlet of the low-temperature water tank is connected with a water supply port of the buffering water tank, and a water supply port of the low-temperature water tank is connected with a water pipe; height for mounting the low-temperature water tank is higher than the buffering water tank, and height of the buffering water tank is higher than the high-temperature water tank. The solar hot water system has steady and continuous heat supply, and has higher heat utilization rate.

Description

A kind of solar water heating system that is used for dry heat supply
Technical field
The utility model relates to a kind of solar water heating system, in particular for the solar water heating system of dry heat supply.
Background technology
The solar thermal collection system that is used for dry heat supply at present mainly is to be the solar air heat collection system and the solar water heating system of heat transfer medium with air or water.Extensive use be the solar air heat collection system, this system works temperature is subject to solar radiation variations influence, it is bigger to change fluctuation.Solar water heating system can utilize the hot water storage tank store heat, and operating temperature is stable, but efficiency of utilization is lower.
Chinese invention patent Shen Qing Publication specification (application number: 200810243492.1) disclose a kind of " solar heat collection cluster drying system of vacuum plate glass ", the heating system of this drying system is vacuum flat glass solar heat collection cluster and heliogreenhouse, between connect into loop with aqueduct.This heating system is not provided with buffer tank and hot water storage tank, and heat stability is poor slightly, and can not store unnecessary solar energy.
China's utility model patent specification (patent No.: ZL200720058640.3) disclose a kind of heat-storage solar energy drying equipment, storage heater links to each other with heat exchanger with solar thermal collector respectively by pipeline, and form the circulation line that seals, heat storage type is a phase-transition heat-storage.This heating plant is not provided with buffer tank equally, employing be phase change heat accumulator.
The utility model content
The purpose of this utility model is to provide a kind of solar water heating system that is used for dry heat supply, and this solar water heating system heat stability and continuity are better, and has higher efficiency of utilization, can become the reliable thermal source that heat is provided to drying shed.
For solving the problems of the technologies described above, the solar water heating system that is used for dry heat supply of the present utility model includes solar thermal collector, auxiliary heater, water-air heat exchanger, buffer tank, high-temperature water tank, low temperature water tank; Solar thermal collector and buffer tank constitute the loop, solar thermal collector water inlet port and water outlet port are installed first and second stop valves respectively, auxiliary heater and solar thermal collector parallel connection, auxiliary heater water inlet port and water outlet port are installed third and fourth stop valve respectively, installation first circulating pump on solar thermal collector and auxiliary heater and the pipeline that buffer tank is connected;
Buffer tank and water-air heat exchanger constitutes the loop, water-air heat exchanger water inlet port and water outlet port are installed the 5th and the 6th stop valve respectively, on cyclic water tank, low temperature water tank and high-temperature water tank and the pipeline that water-air heat exchanger is connected second circulating pump is installed, buffer tank overflow port and high-temperature water tank water inlet port links to each other, between pipeline on installation the tenth stop valve;
High-temperature water tank water outlet port and water-air heat exchanger water inlet port links to each other, between installation the 7th stop valve on the pipeline;
Low temperature water tank water inlet port links to each other with water-air heat exchanger water outlet port, between pipeline the 8th stop valve is installed, the gentle waste preventer moisturizing port of low temperature water tank water outlet port links to each other, between pipeline the 9th stop valve is installed, low temperature water tank moisturizing port connects running water pipe, between check-valves, the tenth stop valve and filter are installed successively on the pipeline;
The elevation of low temperature water tank installation site is higher than buffer tank, and the elevation of buffer tank installation site is higher than high-temperature water tank.
Described solar thermal collector is a vacuum tube solar heating element.
Described auxiliary heater is air source heat pump or oil burner.
Described water-air heat exchanger places in the drying shed.
Described buffer tank, high-temperature water tank, low temperature water tank are attemperater.
The utility model compared with prior art has following advantage: buffer tank is installed between solar thermal collector and the water-air heat exchanger, has improved heat stability; Be heat storage medium directly, be stored in high-temperature water tank, have advantage simple in structure, easy to implement with water; The application of low temperature water tank, water at low temperature after emitting heat at water-air heat exchanger can be temporary in low temperature water tank,, enter circulation next time as the moisturizing of buffer tank, can not cause the waste of water and low taste heat, can not reduce the heat taste of residue high-temperature water in the high-temperature water tank yet.
Description of drawings
Fig. 1 is the utility model structural representation;
Description of reference numerals: 1, solar thermal collector, 2, auxiliary heater, 3, water-air heat exchanger, 4, buffer tank, 5, high-temperature water tank, 6, low temperature water tank, 7, filter, 8, the pipeline that links to each other with buffer tank, 9, the pipeline that links to each other with water-air heat exchanger.
The specific embodiment
Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.
Embodiment one:
See also shown in Figure 1ly, a kind of solar water heating system that is used for dry heat supply includes solar thermal collector 1, auxiliary heater 2, water-air heat exchanger 3, buffer tank 4, high-temperature water tank 5, low temperature water tank 6; Solar thermal collector 1 and buffer tank 4 constitute the loop, solar thermal collector 1 water inlet port and water outlet port are installed the first stop valve V1 and the second stop valve V2 respectively, auxiliary heater 2 and solar thermal collector 1 parallel connection, auxiliary heater 2 water inlet ports and water outlet port are installed the 3rd stop valve V3, the 4th stop valve V4 respectively, and on the pipeline 8 that buffer tank 4 is connected the first circulating pump P1 are installed;
Buffer tank 4 and water-air heat exchanger 3 constitute the loop, water-air heat exchanger 3 water inlet ports and water outlet port are installed the 5th stop valve V5 and the 6th stop valve V6 respectively, the second circulating pump P2 is installed on the pipeline 9 that links to each other with water-air heat exchanger, buffer tank 4 overflow ports and high-temperature water tank 5 water inlet ports link to each other, between pipeline on installation the tenth stop valve V10;
High-temperature water tank 5 water outlet ports and water-air heat exchanger 3 water inlet ports link to each other, between installation the 7th stop valve V7 on the pipeline;
Low temperature water tank 6 water inlet ports link to each other with water-air heat exchanger 3 water outlet ports, between pipeline the 8th stop valve V8 is installed, the gentle waste preventer 4 moisturizing ports of low temperature water tank 6 water outlet ports link to each other, between pipeline the 9th stop valve V9 is installed, low temperature water tank 6 moisturizing ports connect running water pipe, between check-valves V11, the 12 stop valve V12 and filter 7 are installed successively on the pipeline;
The elevation of low temperature water tank 6 installation sites is higher than buffer tank 4, and the elevation of buffer tank 4 installation sites is higher than high-temperature water tank 5.The volume of buffer tank 4 solar water heating system as required determines that high-temperature water tank 5 is identical with the low temperature water tank volume start-up time, and the maximum heat of Chu Cuning is determined as required.
Solar thermal collector 1 is a vacuum tube solar heating element in the present embodiment, and auxiliary heater 2 is an air source heat pump, and water-air heat exchanger 3 places in the drying shed, and buffer tank 4, high-temperature water tank 5, low temperature water tank 6 are attemperater.
Operation principle of the present utility model is described in detail in detail below:
This solar water heating system needs earlier before use to solar thermal collector 1, buffer tank 4, low temperature water tank 6 and associated conduit top-off cycle water.
When solar radiation was arranged, the first and second stop valve V1, V2 opened, and the first circulating pump P1 opens, and recirculated water circulates between solar thermal collector 1 and buffer tank 4, and heat is transferred to buffer tank 4 from solar thermal collector 1; When water temperature reached preset value in the buffer tank 4, the 5th and the 6th stop valve V5, V6 opened, and the second circulating pump P2 opens, and heat is transferred to water-air heat exchanger 3 from buffer tank 4; When unnecessary heat was arranged, water temperatures can raise in the buffer tank 4, and the 9th and the tenth stop valve V9, V10 open, and low temperature water tank 6 is to buffer tank 4 moisturizings, and high-temperature water overflows to high-temperature water tank 5 stores in the buffer tank 4.
During no solar radiation, the 7th and the 8th stop valve V7, V8 open, and the second circulating pump P2 opens, and high-temperature water tank 5 after high-temperature water is emitted heat, is temporarily stored in low temperature water tank 6 to 3 heat supplies of water-air heat exchanger.
Continuously during rainy weather, auxiliary heater 2, the first and second circulating pump P1, P2 open, the the 3rd to the 6th stop valve V3, V4, V5, V6 open, and heat is transferred to buffer tank 4 from auxiliary heater 2, are transferred to water-air heat exchanger 3 from buffer tank 4 then.
Embodiment two:
Present embodiment is different with the foregoing description to be, auxiliary heater 2 is an oil burner.
Above-listed detailed description is at the specifying of the utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.

Claims (5)

1. a solar water heating system that is used for dry heat supply is characterized in that: include solar thermal collector (1), auxiliary heater (2), water-air heat exchanger (3), buffer tank (4), high-temperature water tank (5), low temperature water tank (6);
Solar thermal collector (1) and buffer tank (4) constitute the loop, solar thermal collector water inlet port is installed first stop valve (V1), the water outlet port is installed second stop valve (V2), auxiliary heater (2) and solar thermal collector (1) parallel connection, auxiliary heater (2) water inlet port is installed the 3rd stop valve (V3), the water outlet port is installed the 4th stop valve (V4), and the pipeline (8) that links to each other with buffer tank (4) is gone up first circulating pump (P1) is installed;
Buffer tank (4) and water-air heat exchanger (3) constitute the loop, water-air heat exchanger (3) water inlet port is installed the 5th stop valve (V5), water-air heat exchanger (3) water outlet port is installed the 6th stop valve (V6), the pipeline that links to each other with water-air heat exchanger (9) is gone up second circulating pump (P2) is installed, buffer tank (4) overflow port and high-temperature water tank (5) water inlet port links to each other, between pipeline on installation the tenth stop valve (V10);
High-temperature water tank (5) water outlet port and water-air heat exchanger (3) water inlet port links to each other, between installation the 7th stop valve (V7) on the pipeline;
Low temperature water tank (6) water inlet port links to each other with water-air heat exchanger (3) water outlet port, between pipeline the 8th stop valve (V8) is installed, gentle waste preventer (4) the moisturizing port of low temperature water tank (6) water outlet port links to each other, between pipeline the 9th stop valve (V9) is installed, low temperature water tank (6) moisturizing port connects running water pipe, between check-valves (V11), the 12 stop valve (V12) and filter (7) are installed successively on the pipeline;
The elevation of low temperature water tank (6) installation site is higher than buffer tank (4), and the elevation of buffer tank (4) installation site is higher than high-temperature water tank (5).
2. the solar water heating system that is used for dry heat supply as claimed in claim 1 is characterized in that: described solar thermal collector (1) is a vacuum tube solar heating element.
3. the solar water heating system that is used for dry heat supply as claimed in claim 1 is characterized in that: described auxiliary heater (2) is air source heat pump or oil burner.
4. the solar water heating system that is used for dry heat supply as claimed in claim 1 is characterized in that: described water-air heat exchanger (3) places in the drying shed.
5. the solar water heating system that is used for dry heat supply as claimed in claim 1 is characterized in that: described buffer tank (4), high-temperature water tank (5), low temperature water tank (6) are attemperater.
CN2010205184954U 2010-09-02 2010-09-02 Solar hot water system for dry heat supply Expired - Lifetime CN201764713U (en)

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Application Number Priority Date Filing Date Title
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628636A (en) * 2012-04-28 2012-08-08 肖舸 Composite plate drying method and drying system
CN102747845A (en) * 2012-06-14 2012-10-24 深圳市建筑科学研究院有限公司 Movable solar shower system
CN104061693A (en) * 2013-03-22 2014-09-24 天津市滨海新区九马能源工程技术有限公司 Large-scale solar water heater
CN104654600A (en) * 2014-12-18 2015-05-27 中国科学院广州能源研究所 Cooperative control system and method for realizing industrial application of solar heat-collecting system
CN104675157A (en) * 2013-12-02 2015-06-03 广东热带林环保木业科技有限公司 Agricultural and sideline product drying room and assembling method thereof
CN104729238A (en) * 2015-03-30 2015-06-24 广东都灵新能源科技有限公司 Solar energy and water source heat pump baking chamber system with energy storage function
CN104764313A (en) * 2015-03-30 2015-07-08 广东都灵新能源科技有限公司 Solar energy and air energy curing barn system with energy storage
CN105157390A (en) * 2015-09-18 2015-12-16 北京昶盛源光伏科技有限公司 Solar material drying system
CN106288680A (en) * 2016-07-28 2017-01-04 福州大世界橄榄有限公司 A kind of drying unit
CN106949636A (en) * 2016-01-06 2017-07-14 台湾神户电池股份有限公司 Natural energy resources application apparatus and its application process
CN110030742A (en) * 2019-04-18 2019-07-19 金昌鸿远建材加工有限责任公司 Solar heat conduction drying tower
CN111189301A (en) * 2019-10-30 2020-05-22 靖州智美健康科技有限责任公司 Poria cocos low-temperature drying system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102628636A (en) * 2012-04-28 2012-08-08 肖舸 Composite plate drying method and drying system
CN102747845A (en) * 2012-06-14 2012-10-24 深圳市建筑科学研究院有限公司 Movable solar shower system
CN102747845B (en) * 2012-06-14 2014-07-02 深圳市建筑科学研究院有限公司 Movable solar shower system
CN104061693A (en) * 2013-03-22 2014-09-24 天津市滨海新区九马能源工程技术有限公司 Large-scale solar water heater
CN104675157A (en) * 2013-12-02 2015-06-03 广东热带林环保木业科技有限公司 Agricultural and sideline product drying room and assembling method thereof
CN104654600A (en) * 2014-12-18 2015-05-27 中国科学院广州能源研究所 Cooperative control system and method for realizing industrial application of solar heat-collecting system
CN104729238A (en) * 2015-03-30 2015-06-24 广东都灵新能源科技有限公司 Solar energy and water source heat pump baking chamber system with energy storage function
CN104764313A (en) * 2015-03-30 2015-07-08 广东都灵新能源科技有限公司 Solar energy and air energy curing barn system with energy storage
CN105157390A (en) * 2015-09-18 2015-12-16 北京昶盛源光伏科技有限公司 Solar material drying system
CN106949636A (en) * 2016-01-06 2017-07-14 台湾神户电池股份有限公司 Natural energy resources application apparatus and its application process
CN106288680A (en) * 2016-07-28 2017-01-04 福州大世界橄榄有限公司 A kind of drying unit
CN110030742A (en) * 2019-04-18 2019-07-19 金昌鸿远建材加工有限责任公司 Solar heat conduction drying tower
CN111189301A (en) * 2019-10-30 2020-05-22 靖州智美健康科技有限责任公司 Poria cocos low-temperature drying system

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Granted publication date: 20110316