CN103528110A - Heat supply system for community - Google Patents
Heat supply system for community Download PDFInfo
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- CN103528110A CN103528110A CN201310474664.7A CN201310474664A CN103528110A CN 103528110 A CN103528110 A CN 103528110A CN 201310474664 A CN201310474664 A CN 201310474664A CN 103528110 A CN103528110 A CN 103528110A
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Abstract
The invention discloses a heat supply system for a community. The heat supply system comprises a heat exchange station side and a user side; the heat exchange station side is provided with a heat exchange device, wherein a first communicating pipe is arranged between a high-temperature water supply pipe and a low-temperature water returning pipe of the heat exchange device, and a one-way valve is installed on the first communicating pipe; a piping pump and an electric valve are installed on a high-temperature water supply pipe on the user side, wherein a second communicating pipe which is communicated with a low-temperature water returning pipe on the user side is arranged between the piping pump and the electric valve, and a one-way valve is installed on the second communicating pipe. Indoor temperature can be reduced to the maximum for an overheated user, so that coal consumption of centralized heating is reduced; all control plans are set in a computer, so that human intervention is not needed, and heat supply is stable.
Description
Technical field
The present invention relates to heating equipment technical field, especially a kind of District Heating System.
Background technology
Along with the propelling of Urbanization Construction, the continuous of national energy-saving environmental protection policy implemented, and cities and towns central heating has not been new things, and central heating has been implemented in the cities and towns of the overwhelming majority at present.But in the process of central heating, also exist problems, as: in community, build age difference, the material that building is used and construction technology are different, and building heat consumption is different; It is identical using radiator radiant heating and the needed heat of underground heat radiant heating, but the heating agent amount and the heat medium temperature that within the unit interval, need are different, identical building Ju heat exchange station is apart from difference, change in resistance due to heating network, actual in heat supplying process, its result is also different, and the influence factor of heat supplying process is also had a lot, at this, does not exemplify one by one.
Although in the architectural design of community, work progress, owner and designing unit have taken into full account the factor of above each side, but in actual application process, also there is a lot of reasons, form Yi Ge community in heat supplying process, as the old building user Huo Ju user's far away of heat exchange station the hot needs of using have been met, new building (particularly having taked the new building of Insulation) the nearlyer user of Ji Ju heat exchange station heat exceeds standard, and user mostly needs to open a window to take a breath and could reduce indoor temperature; Otherwise, as the new building Ji Ju nearlyer user's of heat exchange station the hot needs of using have been met, old building user Huo Ju heat exchange station user's shortage of heat far away, indoor temperature can not be up to standard, user is mostly to refuse the handing over form of heat expense to lodge protest, hot user like this can not enjoy due service, and heating enterprise cannot reclaim corresponding expenditure, brings about great losses; As will be by standard, make all users to enjoy heat supply service by standard, in current facility situation, can accomplish completely, but the staff who requires heating enterprise has very high technical merit, very strong professional dedication, and need to carry out adjustment repeatedly, just can be achieved, be difficult at present accomplish this object.
In recent years, country, progressively promoting user's heat metering, cuts the waste to save the energy, but hot meterage whether to regain correlative charges be also just can receive correlative charges on the basis that meets user's heat needs.In sum, improving heat supply situation, improve user's heat quality, save the energy, is that heating housing estate need to solve major issue.
Heating station facility as shown in Figure 1 at present, the heat transmission equipment of installing at heat exchange station, by the heat exchange with heat supply one net, high-temperature water is transferred to user place (in figure, solid line represents water supply line), then after user's heat dissipation equipment, water at low temperature is got back to heat exchange station (in figure, dotted line represents return piping).
Water circulating pump is installed on pipeline, and its main purpose is that high-temperature-hot-water is overcome to pipe resistance, by certain flow, is transported to hot user place.Because the hot user's pipeline at far-end is longer, resistance is relatively large, so recirculated water pump lift must meet the needs of distal-most end user's heat, circulating pump is so set, and large lift is only for meeting remote subscriber needs.
Because circulation pump lift is large, the user of heat exchange station near-end, because the resistance of pipeline is less, just form flow situation bigger than normal; Remote subscriber flow is less than normal or without the phenomenon of flow, for addressing this problem, is just using outdoor installation balanced valve, adopts the way of " killing richness administers poor ", is controlled at by force the user's of heat exchange station near-end flow, impels and meets remote subscriber flow.This method is feasible in theory, and the practical operation Shang， related personnel of enterprise can well adjust the balance of pipe network, can play corresponding effect, once but flow in pipe network produces change, and all balances all will be broken, and must readjust, and during practical operation, difficulty is very large.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of District Heating System, easy to operate, for thermally-stabilised.
In order to realize foregoing invention object, the invention provides following technical scheme: a kind of District Heating System, comprise heat exchange station side and user's side, described heat exchange station side is provided with heat transmission equipment, between the high temperature feed pipe of described heat transmission equipment and low temperature return pipe, be provided with for the first communicating pipe, on this first communicating pipe, check valve be installed; One tubing pump and a motor-driven valve are installed on the high temperature feed pipe of described user's side, between described tubing pump and described motor-driven valve, are provided with the second communicating pipe being communicated with the low temperature return pipe of described user's side, on this second communicating pipe, check valve is installed.
Further, described user's side is provided with temperature measuring equipment.
Further, also comprise controller, signal sending and receiving device, described temperature measuring equipment is connected with described sender unit, and described signal receiving device is connected with described controller, and described controller is connected with described motor-driven valve.
Further, its working method is: the temperature measuring equipment of user's side, regularly measured temperature information is dealt into corresponding signal receiving device through sender unit, the data that controller receives according to receiving system, determine whether and reach the user indoor temperature that expection is set, control the action of the motor-driven valve of respective regions;
If indoor temperature is lower than setting value, drive large motor-driven valve, increase the flow of motor-driven valve heating agent; If indoor temperature is higher than setting value, turn down motor-driven valve, reduce the flow of motor-driven valve heating agent.
Further, the tubing pump flow of user's side is constant, and when motor-driven valve flow reduces, the low temperature backwater returning from user supplements from the circulation of the second communicating pipe.
Further, the heat transmission equipment of heat exchange station side, when user's side needs heat large, a large amount of heating agents will transfer out; As user's side needs heat hour, by the circulation of the first communicating pipe, supplemented.
Compared with prior art, the present invention has the following advantages: can reduce to greatest extent overheated user's indoor temperature, thereby save the coal consumption amount of central heating; All control prediction schemes are all set in calculating, without human intervention, for thermally-stabilised.
Accompanying drawing explanation
Fig. 1 is the structure chart of prior art;
Fig. 2 is structural representation of the present invention;
Fig. 3 is user's side structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, describe the present invention, the description of this part is only exemplary and explanatory, should not have any restriction to protection scope of the present invention.
A kind of District Heating System as shown in Figures 2 and 3, comprise heat exchange station side and user's side, described heat exchange station side is provided with heat transmission equipment, is provided with for the first communicating pipe 1 between the high temperature feed pipe of described heat transmission equipment and low temperature return pipe, on this first communicating pipe 1, check valve 11 is installed; One tubing pump 23 and a motor-driven valve 24 are installed on the high temperature feed pipe of described user's side, between described tubing pump 23 and described motor-driven valve 24, be provided with the second communicating pipe 2 being communicated with the low temperature return pipe of described user's side, on this second communicating pipe 2, check valve 22 be installed; Described user's side is provided with temperature measuring equipment 21.
1, heat exchange station side, as shown in Figure 3:
Jiang Yuan heat exchange station water circulating pump is transformed, consider that the needed heat supply two net flows of whole users are as the selected flow of circulating pump, to overcome heat exchange station to user's house lead in porch pipe resistance, get final product (this lift is without overcoming the resistance that in building, heat supply pipeline produces).
Between circulating pump and user, high temperature feed pipe and low temperature return pipe install a connecting pipe 1 additional, and check valve 11 is installed.
2, user's side:
First be to locate to install temperature measuring apparatus 21 user, this device can be measured user indoor temperature automatically, and by wireless transmission mode, the user indoor temperature timed sending of measuring is arrived to specific receiving system.
The 2nd, building in an identical heat-supplying mode region (can Shi Yidong Lou Huojidong building, be mainly user's building heat preservation be on close level or heat radiation form consistent), a tubing pump 23 and a motor-driven valve 24 are installed on its high temperature feed pipe.It is its selected flow that tubing pump 23 be take the flow that meets this region user's heat supply needs, and lift is to overcome one's respective area gut line resistance.
The 3rd, on high temperature feed pipe, between tubing pump 23 and motor-driven valve 24, install a connecting pipe 2 additional with low temperature return pipe, and check valve 22 is installed.
3, working method:
1. the indoor temperature determinator (some places are optionally set in a region) that user locates, regularly measured information is dealt into specific receiving system, receiving system is according to received data, calculate and determine whether the user indoor temperature that reaches expection setting, and result being sent to the motor-driven valve of total control computer and respective regions.
2. when motor-driven valve is received after the instruction that massaging device sends, as low in indoor temperature, drive large motor-driven valve, increase the flow of motor-driven valve heating agent; As high in indoor temperature, turn down motor-driven valve, reduce the flow of motor-driven valve heating agent;
3. the tubing pump flow of installing in region is constant, and when electrodynamic pump flow reduces, the low temperature backwater returning from user is from add to recirculated water communicating pipe.The uninterrupted of namely no matter flowing through from motor-driven valve, for the needed flow rate of heat medium of user's heat supply, will be supplemented by communicating pipe.
4. the circulating pump at heat exchange station place, when user needs heat large, a large amount of heating agents are by the user place carrying, and as user needs heat hour (be that motor-driven valve all turns down, reducing heating agent needs), the needed water yield of circulating pump, by supplementing communicating pipe.
4, monitoring:
The controlling organization of enterprise can be understood temperature conditions in user sections by timing information at any time, simultaneously according to the water supply of heat supply one net heating agent, return water temperature, adjusts the ruuning situation of heat supply one net.
Advantage is as follows: can adjust to greatest extent the level of heat supply, be under deliberately intervention at nobody, and what meet all users is feasible with heat needs, and the rate of recovery that improves hot expense becomes possibility.Can reduce to greatest extent overheated user's indoor temperature, thereby save the coal consumption amount of central heating.Operate relatively simply, all control prediction schemes are all set in calculating, without human intervention.Need not lay signal transmission network, construction cost is relatively low.Although heat exchange station side circulating pump reduces because of lift, power decreases, and has increased the tubing pump in region, and total electrisity consumption is increased to some extent.The electrisity consumption increasing is far smaller than the heat expense income of increase and the income of economizing on coal.Owing to increasing a lot of control modules, the requirement to management making will significantly improve.
Adopt heating system of the present invention to implement in Xinjiang Urumqi one heat supply one community:
Cell type: floor heating, bright warm mixing heating housing estate.Be same heating plant, that serves has two types of ground-heating radiation and bright warm heat radiations.
Situation before implementing: floor heating user all the time indoor temperature more than 30 ℃
Effect after implementing:
1, the indoor wireless temperature measuring equipment of having selected five user installation, installation region is as follows: be arranged on attic one place, Stall one place, gable one place, install arbitrarily at another two places.
2, at the total home-in-pipe of floor heating user, install flow, Temperature-controlled appliance additional, mounting means is as accompanying drawing.
3, in system running, each hour sends measured data by the indoor temperature measuring equipment of user one time to data receiver point (CPU+ wireless module+SMS module), data receiver point is adjusted electric gate valve aperture, makes supply water temperature rise or decline 1 ℃～2 ℃ according to the adjustment of indoor temperature situation.
4, data receiver is put and aggregated data was sent to and controls computer and managing mobile phone in every 6 hours.
Implementation result: user indoor temperature is controlled between 20 ℃～21 ℃ all the time; System is supplied with floor heating user's supply water temperature, and more former heat-supplying mode has declined 3 ℃～12 ℃ (according to outdoor temperature, change voluntarily and adjust), and it is constant that water supply flow keeps substantially.
Claims (6)
1. a District Heating System, comprise heat exchange station side and user's side, described heat exchange station side is provided with heat transmission equipment, it is characterized in that: between the high temperature feed pipe of described heat transmission equipment and low temperature return pipe, be provided with for the first communicating pipe, on this first communicating pipe, check valve be installed; One tubing pump and a motor-driven valve are installed on the high temperature feed pipe of described user's side, between described tubing pump and described motor-driven valve, are provided with the second communicating pipe being communicated with the low temperature return pipe of described user's side, on this second communicating pipe, check valve is installed.
2. District Heating System as claimed in claim 1, is characterized in that: described user's side is provided with temperature measuring equipment.
3. District Heating System as claimed in claim 2, it is characterized in that: also comprise controller, signal sending and receiving device, described temperature measuring equipment is connected with described sender unit, and described signal receiving device is connected with described controller, and described controller is connected with described motor-driven valve.
4. District Heating System as claimed in claim 3, its working method is: the temperature measuring equipment of user's side, regularly measured temperature information is dealt into corresponding signal receiving device through sender unit, the data that controller receives according to receiving system, determine whether and reach the user indoor temperature that expection is set, control the action of the motor-driven valve of respective regions;
If indoor temperature is lower than setting value, drive large motor-driven valve, increase the flow of motor-driven valve heating agent; If indoor temperature is higher than setting value, turn down motor-driven valve, reduce the flow of motor-driven valve heating agent.
5. District Heating System as claimed in claim 4, is characterized in that: the tubing pump flow of user's side is constant, and when motor-driven valve flow reduces, the low temperature backwater returning from user supplements from the circulation of the second communicating pipe.
6. District Heating System as described in claim 4 or 5, is characterized in that: the heat transmission equipment of heat exchange station side, and when user's side needs heat large, a large amount of heating agents will transfer out; As user's side needs heat hour, by the circulation of the first communicating pipe, supplemented.
Priority Applications (1)
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| CN201310474664.7A CN103528110A (en) | 2013-10-12 | 2013-10-12 | Heat supply system for community |
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| CN201310474664.7A CN103528110A (en) | 2013-10-12 | 2013-10-12 | Heat supply system for community |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075362A (en) * | 2014-07-08 | 2014-10-01 | 上海科华热力管道有限公司 | Circulating water pump configuration system of concentrated cooling and heat supplying pipe network |
| CN104566599A (en) * | 2015-01-27 | 2015-04-29 | 江苏首创新能源科技有限公司 | Regional cooling and heating system |
| CN104930576A (en) * | 2015-06-29 | 2015-09-23 | 北京合利能科技有限公司 | Highly-stable anticorrosion complete set heat supply system |
| CN105115194A (en) * | 2015-09-08 | 2015-12-02 | 中节能先导城市节能有限公司 | Hierarchical-type self-circulation water source heat pump area energy saving conveying-and-distributing system |
| CN107894099A (en) * | 2017-11-03 | 2018-04-10 | 周超宇 | Shared hot water Internet of Things pattern and operation method |
| CN109114661A (en) * | 2017-06-26 | 2019-01-01 | 徐兆良 | A kind of completely new heating operation mode |
| CN110836412A (en) * | 2018-08-17 | 2020-02-25 | 山东奥翔电力工程设计咨询有限公司 | Distributed heating system |
| CN115059959A (en) * | 2022-06-21 | 2022-09-16 | 西安热工研究院有限公司 | Building heat supply system based on heat supply network dynamic operation characteristic adjustment and operation method thereof |
| CN115493177A (en) * | 2022-11-15 | 2022-12-20 | 北京深态环境科技有限公司 | Distributed heat energy control system, method and device and electronic equipment |
| CN115952695A (en) * | 2023-03-13 | 2023-04-11 | 天津市津安热电有限公司 | Temperature detection data remote interaction method based on heat supply control system |
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| US5887786A (en) * | 1996-02-14 | 1999-03-30 | Heat Timer Corporation | Passive injection system used to establish a secondary system temperature from a primary system at a different temperature |
| PL192376B1 (en) * | 1998-05-12 | 2006-10-31 | Baunach Hans Georg | Method of heating or cooling by means of heating or cooling circulation cycle and a heating or cooling circulation system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075362A (en) * | 2014-07-08 | 2014-10-01 | 上海科华热力管道有限公司 | Circulating water pump configuration system of concentrated cooling and heat supplying pipe network |
| CN104566599A (en) * | 2015-01-27 | 2015-04-29 | 江苏首创新能源科技有限公司 | Regional cooling and heating system |
| CN104566599B (en) * | 2015-01-27 | 2017-11-10 | 江苏首创新能源科技有限公司 | A kind of regional cooling and heating system |
| CN104930576A (en) * | 2015-06-29 | 2015-09-23 | 北京合利能科技有限公司 | Highly-stable anticorrosion complete set heat supply system |
| CN104930576B (en) * | 2015-06-29 | 2018-02-09 | 北京合利能科技有限公司 | The complete heating system of high steady anti-corrosion |
| CN105115194A (en) * | 2015-09-08 | 2015-12-02 | 中节能先导城市节能有限公司 | Hierarchical-type self-circulation water source heat pump area energy saving conveying-and-distributing system |
| CN109114661A (en) * | 2017-06-26 | 2019-01-01 | 徐兆良 | A kind of completely new heating operation mode |
| CN107894099A (en) * | 2017-11-03 | 2018-04-10 | 周超宇 | Shared hot water Internet of Things pattern and operation method |
| CN110836412A (en) * | 2018-08-17 | 2020-02-25 | 山东奥翔电力工程设计咨询有限公司 | Distributed heating system |
| CN115059959A (en) * | 2022-06-21 | 2022-09-16 | 西安热工研究院有限公司 | Building heat supply system based on heat supply network dynamic operation characteristic adjustment and operation method thereof |
| CN115493177A (en) * | 2022-11-15 | 2022-12-20 | 北京深态环境科技有限公司 | Distributed heat energy control system, method and device and electronic equipment |
| CN115493177B (en) * | 2022-11-15 | 2023-03-14 | 北京深态环境科技有限公司 | Distributed heat energy control system, method and device and electronic equipment |
| CN115952695A (en) * | 2023-03-13 | 2023-04-11 | 天津市津安热电有限公司 | Temperature detection data remote interaction method based on heat supply control system |
| CN115952695B (en) * | 2023-03-13 | 2023-07-07 | 天津市津安热电有限公司 | Remote interaction method for temperature detection data based on heat supply control system |
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