CN105318568A - Middle box for solar hot water and heating engineering - Google Patents

Middle box for solar hot water and heating engineering Download PDF

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Publication number
CN105318568A
CN105318568A CN201410365255.8A CN201410365255A CN105318568A CN 105318568 A CN105318568 A CN 105318568A CN 201410365255 A CN201410365255 A CN 201410365255A CN 105318568 A CN105318568 A CN 105318568A
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CN
China
Prior art keywords
hot water
water
middle box
intermediate box
pipeline
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Granted
Application number
CN201410365255.8A
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Chinese (zh)
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CN105318568B (en
Inventor
李宝峰
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QIAN'AN DAOTONG TRADING Co Ltd
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QIAN'AN DAOTONG TRADING Co Ltd
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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

Abstract

The invention provides a middle box for solar hot water and heating engineering and relates to a solar hot water and heating engineering system. The middle box is characterized in that the upper parts of headers are connected with the middle box through upper and lower communication pipes, and the headers are connected with heat collection pipes; a middle box ventilation hole is formed in the middle box, the middle box is connected with a water feeding pipe and a hot water pipe, a hot water pipe output port is formed in the lower part of the middle box and connected with the hot water pipe through a hot water valve, a water outlet of the water feeding pipe and a hot water pipe ventilation port of the hot water pipe are both formed inside the middle box, and water level gauges are arranged inside the middle box; a drain valve and a water feeding valve are arranged at the lower end of the water feeding pipe through a tee, and the lower end of the hot water pipe is connected with a hot water storage tank. A process of hot water collection between the heat collection headers and the hot water storage tank only relies on the gravity of water, a circulating pump is not used, and energy is not consumed. By the aid of the middle box, the hot water pipe and the water feeding pipe are empty when not in work, freezing is avoided, and pipe unfreezing measures are not needed.

Description

Solar water and heating engineering intermediate box
Technical field:
The present invention relates to solar water and heating engineering system, be specifically related to a kind of solar water and heating engineering intermediate box technology.
Background technology:
Solar thermal collector utilizes the water in collector tube inner wall absorption solar energy heating thermal-collecting tube, hot water is due to the less top be pooled to gradually in header of density, in order to collect hot water, conventional method detects the water temperature temperature difference in header and heat storage water tank, start circulating pump when reaching the setting temperature difference and the hot water on header top is entered heat storage water tank, water lower for the bottom temp of heat storage water tank is sent into header simultaneously;
Drawback:
One, hot and cold water constantly mixes at circulation time, and when solar thermal energy is lower, hot water makes water temperature drop owing to being mixed with cold water, the normal use of influential system;
Two, when solar thermal energy is higher, there is a large amount of inefficient cycle work in circulating pump.
Three, circulating line needs antifreeze.Increase heat-insulation layer, install heating tape additional.Increase system energy consumption, have disaster hidden-trouble.
Four, circulation line there will be vapour lock, and influential system normally runs.
Five, circulating pump starts frequent, longevity of service, and run, maintenance, cost of upkeep be high, expense is large.
Summary of the invention:
The object of this invention is to provide a kind of solar water and heating engineering system intermediate box, it makes to realize hot-water collection by natural way between heat collector and heat storage water tank, in the process that system exports hot water and supplementary cold water, heat storage water tank inner cold water and hot water do not mix, and improve the utilization ratio of solar energy.Eliminate circulating pump and corresponding circulating line, avoid inefficient cycle, decrease the energy consumption of system.In system add water and hot water pipeline there is air emptying function, need not the measure of thawing be considered.
In order to solve the problem existing for background technology, the present invention is by the following technical solutions: it comprises thermal-collecting tube, header, intermediate box, upper lower communicating tube, hot-water valve, emptying valve, the valve that adds water, intermediate box passage, hot water pipeline blow vent, hot water pipeline delivery outlet, adds water out, water-level gauge, the pipeline that adds water, hot water pipeline, heat storage water tank, the top of header connects intermediate box by upper lower communicating tube, and header is connected with thermal-collecting tube; Intermediate box is provided with intermediate box passage, intermediate box connects add water pipeline, hot water pipeline, the bottom of intermediate box is provided with hot water pipeline delivery outlet, hot water pipeline delivery outlet is connected with hot water pipeline by hot-water valve, the add water delivery port of pipeline, the hot water pipeline blow vent of hot water pipeline is all arranged on intermediate box inside, and intermediate box inside is provided with water-level gauge; The lower end of duct that adds water is provided with emptying valve and the valve that adds water by threeway, and the lower end of hot water pipeline connects heat storage water tank.
The present invention arranges (tank) intermediate box between thermal collecting header and heat storage water tank, and intermediate box is arranged on the top of heat collector header and heat storage water tank.Because density is little, automatic convection current enters intermediate box to hot water in thermal collecting header, and the hot water in intermediate box enters heat storage water tank by gravity.Hot-water collection's process between thermal collecting header and heat storage water tank, only relies on the self gravitation of hot water, does not use circulating pump, does not need to consume the energy.
The present invention has following beneficial effect:
(1), the circulating pump eliminated in solar energy system, circulating line.
(2) insulation material of circulating line, is eliminated.
(3) heating tape of circulating line preventing freeze in winter, is eliminated.
(4) system point for measuring temperature, is decreased.
(5) temperature difference circulation in control system, heating tape control and antifreeze loop control, is eliminated.
(6) preventing freeze in winter power consumption, is saved.
(7) temperature difference circulation power consumption, is saved.
(8), save installation and use man-hour.
(9) antifreeze the produced installation of circulating line, operation, maintenance cost, has been saved.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention,
Fig. 2 is the left view of Fig. 1;
Reference numeral: thermal-collecting tube 1, header 2, intermediate box 3, be up and down communicated with water pipe 4, hot-water valve 5, emptying valve 6, the valve 7 that adds water, intermediate box passage 8, hot water pipeline blow vent 9, hot water pipeline delivery outlet 10, add water out 11, water-level gauge 12, the pipeline 13 that adds water, hot water pipeline 14, heat storage water tank 15.
Detailed description of the invention:
With reference to Fig. 1-Fig. 2, this detailed description of the invention is by the following technical solutions: it comprises thermal-collecting tube 1, header 2, intermediate box 3, is communicated with water pipe 4, hot-water valve 5, emptying valve 6, the valve 7 that adds water, intermediate box passage 8, hot water pipeline blow vent 9, hot water pipeline delivery outlet 10 up and down, adds water out 11, water-level gauge 12, the pipeline 13 that adds water, hot water pipeline 14, heat storage water tank 15, the top of header 2 connects intermediate box 3 by being communicated with water pipe 4 up and down, and header 2 connects thermal-collecting tube 1; Intermediate box 3 is provided with intermediate box passage 8, intermediate box 3 connects add water pipeline 13, hot water pipeline 14, the bottom of intermediate box 3 is provided with hot water pipeline delivery outlet 10, hot water pipeline delivery outlet 10 is connected with hot water pipeline 14 by hot-water valve 5, add water pipeline 13 add water out 11, that the hot water pipeline blow vent 9 of hot water pipeline 14 is all arranged on intermediate box 3 is inner, and intermediate box 3 inside is provided with water-level gauge 12; Pipeline 13 lower end that adds water is provided with emptying valve 6 and the valve 7 that adds water by threeway, and the lower end of hot water pipeline 14 connects heat storage water tank 15.
This detailed description of the invention does not use circulating pump, and above header, increase an intermediate box 3, the hot water in such header 2 can convection current be pooled in intermediate box 3 automatically because hot water density is low.When intermediate box 3 water temperature reaches design temperature, open hot-water valve 5, the hot water of intermediate box 3 leans on gravity to enter heat storage water tank 15 along hot water pipeline 14 gravity flow of intermediate box 3.After intermediate box 3 hot water is emptying, the water-level gauge 12 in intermediate box 3 provides signal, closes hot-water valve 5, opens the valve 7 that adds water, close emptying valve 6, make running water send into intermediate box 3 by the pipeline 13 that adds water of intermediate box 3.When intermediate box topped up with water, water-level gauge 12 sends signal, closes the valve 7 that adds water, opens emptying valve 6, complete a working cycles.
At the end of intermediate box 3 water discharge, hot-water valve 5 is closed, and the hot water pipeline 14 in intermediate box 3 makes tube emptying by hot water pipeline blow vent 9 air inlet; Equally when the pipeline 13 that adds water of intermediate box 3 stops adding water, the valve 7 that adds water is closed, and emptying valve 6 is opened, by the pipeline 13 that adds water to add the water out 11 air inlet pipeline 13 that makes to add water emptying.
Because the hot water pipeline 14 of intermediate box 3 and the pipeline 13 that adds water are emptying when not working, icing phenomenon can not be there is in environment temperature lower than when 0 degree Celsius, pipeline need not be done and to thaw measure.
This detailed description of the invention achieves the hot-water collection's process between thermal collecting header and heat storage water tank, only relies on the self gravitation of hot water, does not use circulating pump and circulating line, does not need to consume the energy.In the process that system exports hot water and supplementary cold water, heat storage water tank inner cold water and hot water do not mix, and improve the utilization ratio of solar energy.

Claims (1)

1. solar water and heating engineering intermediate box, it is characterized in that it comprises thermal-collecting tube (1), header (2), intermediate box (3), upper lower communicating tube (4), hot-water valve (5), emptying valve (6), add water valve (7), intermediate box passage (8), hot water pipeline blow vent (9), hot water pipeline delivery outlet (10), add water out (11), water-level gauge (12), add water pipeline (13), hot water pipeline (14), heat storage water tank (15), the top of header (2) connects intermediate box (3) by upper lower communicating tube (4), and header (2) connects thermal-collecting tube (1), intermediate box (3) is provided with intermediate box passage (8), intermediate box (3) connects add water pipeline (13), hot water pipeline (14), the bottom of intermediate box (3) is provided with hot water pipeline delivery outlet (10), hot water pipeline delivery outlet (10) is connected with hot water pipeline (14) by valve (5), add water pipeline (13) add water out (11), that the hot water pipeline blow vent (9) of hot water pipeline (14) is all arranged on intermediate box (3) is inner, and intermediate box (3) inside is provided with water-level gauge (12), pipeline (13) lower end that adds water is provided with emptying valve (6) and the valve that adds water (7) by threeway, and the lower end of hot water pipeline (14) is connected with heat storage water tank (15).
CN201410365255.8A 2014-07-29 2014-07-29 Solar water and heating engineering intermediate box Active CN105318568B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410365255.8A CN105318568B (en) 2014-07-29 2014-07-29 Solar water and heating engineering intermediate box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410365255.8A CN105318568B (en) 2014-07-29 2014-07-29 Solar water and heating engineering intermediate box

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CN105318568A true CN105318568A (en) 2016-02-10
CN105318568B CN105318568B (en) 2018-04-17

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6233259A (en) * 1985-08-06 1987-02-13 Azuma:Kk Hot water semi-forced circulation device in solar water heater
CN2306459Y (en) * 1997-09-05 1999-02-03 李元哲 Natural circulation split heat pipe-vacuum pipe solar water heater
CN201152635Y (en) * 2007-12-13 2008-11-19 马俊山 Large-sized solar boiler
CN201344666Y (en) * 2009-01-24 2009-11-11 张斌 Solar hot water tank with separate tanks for pressure bearing
CN201652892U (en) * 2010-01-01 2010-11-24 郭强 Solar water diversion device
CN203053063U (en) * 2013-01-28 2013-07-10 恩施州圣奥新能源开发有限公司 Double-pipe bi-direction supercharging freeze-proof solar water heater
CN103267370A (en) * 2013-04-23 2013-08-28 常州布鲁克林太阳能有限公司 Circulating-heat-exchange type solar water heating system
CN103471255A (en) * 2013-09-15 2013-12-25 浙江桑乐数字化太阳能有限公司 Photovoltaic powered solar water heating system
CN203561095U (en) * 2013-11-27 2014-04-23 李小萌 Anti-freezing system of solar water heater
CN203605487U (en) * 2013-10-22 2014-05-21 日出东方太阳能股份有限公司 Solar water heating system with auxiliary gas heating function
CN203657234U (en) * 2014-01-07 2014-06-18 陈永峰 Novel solar water heating system
CN203687407U (en) * 2013-12-06 2014-07-02 陈书祯 Direct-heating split wall-mounted solar water heater
CN204006723U (en) * 2014-07-29 2014-12-10 迁安市道通商贸有限公司 Solar water and heating engineering intermediate box

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6233259A (en) * 1985-08-06 1987-02-13 Azuma:Kk Hot water semi-forced circulation device in solar water heater
CN2306459Y (en) * 1997-09-05 1999-02-03 李元哲 Natural circulation split heat pipe-vacuum pipe solar water heater
CN201152635Y (en) * 2007-12-13 2008-11-19 马俊山 Large-sized solar boiler
CN201344666Y (en) * 2009-01-24 2009-11-11 张斌 Solar hot water tank with separate tanks for pressure bearing
CN201652892U (en) * 2010-01-01 2010-11-24 郭强 Solar water diversion device
CN203053063U (en) * 2013-01-28 2013-07-10 恩施州圣奥新能源开发有限公司 Double-pipe bi-direction supercharging freeze-proof solar water heater
CN103267370A (en) * 2013-04-23 2013-08-28 常州布鲁克林太阳能有限公司 Circulating-heat-exchange type solar water heating system
CN103471255A (en) * 2013-09-15 2013-12-25 浙江桑乐数字化太阳能有限公司 Photovoltaic powered solar water heating system
CN203605487U (en) * 2013-10-22 2014-05-21 日出东方太阳能股份有限公司 Solar water heating system with auxiliary gas heating function
CN203561095U (en) * 2013-11-27 2014-04-23 李小萌 Anti-freezing system of solar water heater
CN203687407U (en) * 2013-12-06 2014-07-02 陈书祯 Direct-heating split wall-mounted solar water heater
CN203657234U (en) * 2014-01-07 2014-06-18 陈永峰 Novel solar water heating system
CN204006723U (en) * 2014-07-29 2014-12-10 迁安市道通商贸有限公司 Solar water and heating engineering intermediate box

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