CN104180418A - Direct heat accumulation system for heat supply network and heat accumulation and release method for direct heat accumulation system - Google Patents
Direct heat accumulation system for heat supply network and heat accumulation and release method for direct heat accumulation system Download PDFInfo
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- CN104180418A CN104180418A CN201410395672.7A CN201410395672A CN104180418A CN 104180418 A CN104180418 A CN 104180418A CN 201410395672 A CN201410395672 A CN 201410395672A CN 104180418 A CN104180418 A CN 104180418A
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Abstract
The invention relates to a direct heat accumulation system for a heat supply network and a heat accumulation and release method for the direct heat accumulation system. The direct heat accumulation system includes a nitrogen-making device, a heat accumulation tank, an upper water distribution disk, a lower water distribution disk, a heat release pump, a heat release hot water control valve a, a heat release hot water control valve b, a heat accumulation reducing valve, a heat accumulation water temperature tester, a mixing regulating valve, a heat accumulation pump, a heat release cold water control valve, a heat supply network water supply pipeline, a heat supply network water return pipeline, a high temperature water supply pipe, a cold water pipe, a heat supply network water supply and water return connecting pipeline and a heat accumulation pipeline, wherein the nitrogen-making device is connected with the top of the heat accumulation tank; the upper water distribution disk and the lower water distribution disk are mounted at the top and the bottom of the heat accumulation tank respectively; one end of the heat supply network water supply pipeline is connected onto the upper water distribution disk; one end of the heat accumulation pipeline is connected onto the heat supply network water supply pipeline; one end of the heat supply network water return pipeline is connected onto the lower water distribution disk; the heat accumulation pump is mounted on the heat supply network water return pipeline; one end of the heat supply network water supply and water return connecting pipeline is connected onto the heat accumulation pipeline. According to the invention, the structural design is reasonable, the operation stability and safety of the heat supply system are improved.
Description
Technical field
The present invention relates to a kind ofly be applied to the direct hold over system of heat supply network and hold heat release method, belong to a kind of peak regulation hold over system and heat accumulation method thereof that is applied to central heating.
Background technology
Along with the progressively raising of people's living standard, with heat demand also constantly rising.Although some advanced energy conservations are in power plant's extensive use, and produced good economic and social benefits, but still cannot meet society growing with heat demand and use thermal comfort.
Traditional heat network system as shown in Figure 1, mainly by heat supply initial station 1, a pumps for hot water supply net 2, the compositions such as heat exchange station 3 and a secondary net side small pump 4.In the time that hot user's heat demand of heat exchange station 3 correspondences changes, the heat of a heat network system conveying also changes thereupon, finally causes the fluctuation that power plant's heating is drawn gas.Heat exchange station 3 quantity of same heat network system are more, when reaching tens even up to a hundred time, how to regulate power plant's heating to draw gas and the transfer heat of a heat network system, to meet different hot user's requests, will be comparatively complicated problems.In addition, along with heat supply, just latter stage and intraday ambient air temperature change and also have fluctuation greatly the corresponding hot user of heat exchange station 3 institute calorific requirement.If hot user institute's calorific requirement in each period is realized in real time and being regulated, heat supply network and power plant's heating are drawn gas for a long time in fluctuation status.
[academic dissertation] Wang Wei, 2010-Beijing University of Technology: disclose the application study of storage heater in district heating field in architectural and civil engineering, this research points out that the introducing of storage heater in space-heating system not only plays significant energy-saving and emission-reduction effect, can strengthen stability and the security of heating network operation, be applied to the direct hold over system of heat supply network and hold heat release method but do not provide in this research simultaneously.
In sum, also there is no at present a kind of reasonable in design, heat network system can be realized and optimize operation, improve the stable direct hold over system that is applied to heat supply network with security of heating system and hold heat release method.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and provide a kind of reasonable in design, heat network system can be realized and optimize operation, improve the stable direct hold over system that is applied to heat supply network with security of heating system and hold heat release method.
The present invention addresses the above problem adopted technical scheme: this feature that is applied to the direct hold over system of heat supply network is: comprise nitrogen-making device, heat-accumulator tank, upper water distributing tray, lower water distributing tray, heat release pump, heat release hot water control valve a, heat release hot water control valve b, accumulation of heat pressure-reducing valve, heat accumulating water temperature tester, mix control valve, accumulation of heat pump, heat release cold water control valve, heat supply network water supply line, heat supply network water return pipeline, high temperature feed pipe, cold water pipe, heat supply network is for backwater contact pipeline and accumulation of heat pipeline, described nitrogen-making device is connected to the top of heat-accumulator tank, described upper water distributing tray and lower water distributing tray are arranged on respectively top and the bottom of heat-accumulator tank, one end of described heat supply network water supply line is connected on water distributing tray, described heat release pump and heat release hot water control valve a are installed on heat supply network water supply line, one end of described heat supply network water supply line, heat release pump and heat release hot water control valve a are arranged in order along heat supply network water supply line, one end of described high temperature feed pipe is connected on heat supply network water supply line, and one end of this high temperature feed pipe is between heat release pump and heat release hot water control valve a, and described heat release hot water control valve b is arranged on high temperature feed pipe, one end of described accumulation of heat pipeline is connected on heat supply network water supply line, one end of this accumulation of heat pipeline is between one end and heat release pump of heat supply network water supply line, described accumulation of heat pressure-reducing valve and heat accumulating water temperature tester are installed on accumulation of heat pipeline, and one end of described accumulation of heat pipeline, heat accumulating water temperature tester and accumulation of heat pressure-reducing valve are arranged in order along accumulation of heat pipeline, one end of described heat supply network water return pipeline is connected on lower water distributing tray, described accumulation of heat pump is arranged on heat supply network water return pipeline, one end of described cold water pipe and the other end are all connected on heat supply network water return pipeline, the other end of one end of described heat supply network water return pipeline, one end of cold water pipe, accumulation of heat pump and cold water pipe is arranged in order along heat supply network water return pipeline, and described heat release cold water control valve is arranged on cold water pipe, described heat supply network is connected on accumulation of heat pipeline for one end of backwater contact pipeline, one end that this heat supply network is got in touch with pipeline for backwater is between accumulation of heat pressure-reducing valve and heat accumulating water temperature tester, described heat supply network is connected on heat supply network water return pipeline for the other end of backwater contact pipeline, the other end that this heat supply network is got in touch with pipeline for backwater is between one end of heat supply network water return pipeline and one end of cold water pipe, described mixing control valve is arranged on heat supply network on backwater contact pipeline, between described heat accumulating water temperature tester and mixing control valve, is electrically connected.
As preferably, the present invention also comprises accumulation of heat side small pump and moisturizing pipeline, one end of described moisturizing pipeline is connected on heat supply network water return pipeline, and one end of this moisturizing pipeline is between the other end of cold water pipe and the other end of heat supply network water return pipeline, and described accumulation of heat side small pump is arranged on moisturizing pipeline.
As preferably, the other end of the other end of accumulation of heat pipeline of the present invention and heat supply network water supply line is arranged in order along heat supply network pipeline.
A kind of direct hold over system that is applied to heat supply network hold heat release method, its feature is: exothermic process is: a heat supply network supply water temperature is during less than or equal to 98 DEG C, and the heat supply network water supply line that in heat-accumulator tank, the hot water of 98 DEG C enters after heat supply initial station through heat release pump and heat release hot water control valve a successively carries out heat release, when a heat supply network supply water temperature is during higher than 98 DEG C, the heat supply network water return pipeline before the hot water in heat-accumulator tank enters heat supply initial station through heat release pump and heat release hot water control valve b and after a pumps for hot water supply net carries out heat release, in order to maintain liquid level stable in heat-accumulator tank, hot water in heat-accumulator tank is during to heat supply network heat release, need have isopyknic heat supply network backwater to enter heat-accumulator tank, the not heated heat supply network backwater before a pumps for hot water supply net enters in heat-accumulator tank through heat release cold water control valve and lower water distributing tray, heat-accumulating process is: when accumulation of heat, high temperature heat supply network after heat supply initial station supplies water after accumulation of heat pressure-reducing valve, enter in heat-accumulator tank by upper water distributing tray, heat accumulating water temperature tester is housed on accumulation of heat pipeline, the hot water temperature who enters in heat-accumulator tank is monitored, when institute's calorimetric coolant-temperature gage is during higher than hot water temperature in heat-accumulator tank, heat supply network is opened for the mixing control valve on backwater contact pipeline, and be adjusted to suitable aperture, the heat supply network backwater that portion temperature is lower supplies water and mixes with high temperature heat supply network, the hot water temperature who makes to enter in heat-accumulator tank maintains 98 DEG C, avoid entering heat-accumulator tank and occurring vaporization phenomenon higher than the water of 98 DEG C, equally, in order to maintain liquid level stable in heat-accumulator tank, the heat supply network of one secondary net side supplies water and enters while carrying out accumulation of heat in heat-accumulator tank, need have isopyknic heat supply network backwater to discharge heat-accumulator tank, in heat-accumulator tank, the cold water of lower floor is delivered to pumps for hot water supply net of original heating system heat supply network pipeline before by accumulation of heat pump.
The present invention compared with prior art, have the following advantages and effect: heat storage technology can store heat energy more than needed in space-heating system by certain medium, while needs, be used again, can play the effect of " peak load shifting ", solve between heat energy supply and demand unmatched contradiction on time and space, can effectively regulate the heat output of heat supply network, strengthen heat supply network safety and stability.The problem existing for solving domestic traditional heat network system, recycle better heat unnecessary in heat supply network, the present invention is on the basis of traditional accumulation of heat thought, pay after creative work, a kind of novel direct hold over system that is applicable to heat supply network is proposed, to alleviate the heat demand fluctuation of different periods, and former heat network system is played to the effect of voltage stabilizing and emergency episode moisturizing.The introducing of hold over system can, in the time that heat supply network occurs that emergency episode occurs to leak, as the water source of emergency water compensating, also can be played pressure stabilization function to original heat network system simultaneously.
The direct hold over system that is applied to heat network system in the present invention is a kind of constant pressure storing heating system, compared with water cold-storage product, can be more widely applicable for the heating system of large volume, the large temperature difference with the phase-transition heat-storage existing in the market, idle call ice cold-storage.By on the basis of traditional heat network system, increase the direct hold over system the present invention relates to, can fully reclaim the unnecessary heat of heating system, and it is stored by heat-accumulator tank, and the effect of peak adjusting heat source is played in heat release in the time that heating system heating load is not enough, the frequent fluctuation of extracted steam from turbine parameter or the frequent start-stop of peak regulation boiler are avoided, can stablize steam turbine operation operating mode on the one hand, reduce on the other hand fuel consumption, reduce the overall operation expense for steam power plant.
Hold heat release ability except above-mentioned, this hold over system also has the following advantages: a, can be used as the emergency water compensating of a heat network system, for heat supply network safe operation provides safeguard.In the time that circulation pump of heat-supply network cut moves, will produce huge water attack, power plant inside is destroyed with heat distribution pipe network, adopt hold over system just can effectively alleviate high-voltage oscillation and the destruction that water attack causes, for heat supply network safe operation provides safeguard.And in the time that the unexpected explosion of water pipe of heat supply network somewhere causes a large amount of dehydration, the hold over system being directly connected with heat supply network just can be immediately to heat supply network moisturizing, maintain heat supply network system pressure, prevent whole heat network system stoppage in transit.B, provide standby heat source for heating system.In the time that heat source quits work for some reason, hold over system can start in time, carries out complementary heating.C, hold over system are directly connected with heating system, can play the effect of stablizing heating network pressure, ensure that heating system static pressure is constant.
Hold over system involved in the present invention can be applicable to heating network one time, can, according to concrete real-time fluctuation thermic load demand, one or more heat-accumulator tank be set.
Brief description of the drawings
Fig. 1 is the structural representation of traditional heat network system in prior art.
Fig. 2 is the structural representation that is applied to the direct hold over system of heat supply network in the embodiment of the present invention.
In figure: 1-first heat exchange station, pumps for hot water supply net of 2-, 3-heat exchange station, 4-mono-secondary net side small pump, 5-nitrogen-making device, 6-heat-accumulator tank, the upper water distributing tray of 7-, water distributing tray under 8-, 9-heat release pump, 10-heat release hot water control valve a, 11-heat release hot water control valve b, 12-accumulation of heat pressure-reducing valve, 13-heat accumulating water temperature tester, 14-mixing control valve, 15-accumulation of heat pump, 16-heat release cold water control valve, 17-accumulation of heat side small pump, 18-heat supply network water supply line, 19-heat supply network water return pipeline, 20-high temperature feed pipe, 21-cold water pipe, 22-heat supply network is for backwater contact pipeline, 23-moisturizing pipeline, 24-accumulation of heat pipeline.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment.
Referring to Fig. 2, the direct hold over system that is applied to heat supply network in the present embodiment comprises first heat exchange station 1, a pumps for hot water supply net 2, heat exchange station 3, one secondary net side small pump 4, nitrogen-making device 5, heat-accumulator tank 6, upper water distributing tray 7, lower water distributing tray 8, heat release pump 9, heat release hot water control valve a10, heat release hot water control valve b11, accumulation of heat pressure-reducing valve 12, heat accumulating water temperature tester 13, mix control valve 14, accumulation of heat pump 15, heat release cold water control valve 16, accumulation of heat side small pump 17, heat supply network water supply line 18, heat supply network water return pipeline 19, high temperature feed pipe 20, cold water pipe 21, heat supply network is for backwater contact pipeline 22, moisturizing pipeline 23 and accumulation of heat pipeline 24.
The direct hold over system of mentioning in the present embodiment, is applied in traditional heat network system.As heat supply initial station 1, a pumps for hot water supply net 2, heat exchange station 3 is connected with secondary net side small pump 4 grades with capital equipment in traditional heat network system.
Nitrogen-making device 5 in the present embodiment is connected to the top of heat-accumulator tank 6, feeds nitrogen by nitrogen-making device 5 to heat-accumulator tank 6.Upper water distributing tray 7 and lower water distributing tray 8 are arranged on respectively top and the bottom of heat-accumulator tank 6, one end of heat supply network water supply line 18 is connected on water distributing tray 7, the other end of this heat supply network water supply line 18 is connected on the heat supply network pipeline after first heat exchange station 1, heat release pump 9 and heat release hot water control valve a10 are installed on heat supply network water supply line 18, and one end of heat supply network water supply line 18, heat release pump 9 and heat release hot water control valve a10 are arranged in order along heat supply network water supply line 18.
In the present embodiment, one end of high temperature feed pipe 20 is connected on heat supply network water supply line 18, one end of this high temperature feed pipe 20 is between heat release pump 9 and heat release hot water control valve a10, the other end of high temperature feed pipe 20 is connected on the heat supply network pipeline between first heat exchange station 1 and a pumps for hot water supply net 2, and heat release hot water control valve b11 is arranged on high temperature feed pipe 20.
In the present embodiment, one end of accumulation of heat pipeline 24 is connected on heat supply network water supply line 18, one end of this accumulation of heat pipeline 24 is between one end and heat release pump 9 of heat supply network water supply line 18, the other end of accumulation of heat pipeline 24 is connected on the heat supply network pipeline after first heat exchange station 1, accumulation of heat pressure-reducing valve 12 and heat accumulating water temperature tester 13 are installed on accumulation of heat pipeline 24, and one end of accumulation of heat pipeline 24, heat accumulating water temperature tester 13 and accumulation of heat pressure-reducing valve 12 are arranged in order along accumulation of heat pipeline 24.In the present embodiment, the other end of first heat exchange station 1, accumulation of heat pipeline 24 and the other end of heat supply network water supply line 18 are arranged in order along heat supply network pipeline.
In the present embodiment, one end of heat supply network water return pipeline 19 is connected on lower water distributing tray 8, the other end of this heat supply network water return pipeline 19 is connected on a heat supply network pipeline before pumps for hot water supply net 2, accumulation of heat pump 15 is arranged on heat supply network water return pipeline 19, one end of described cold water pipe 21 and the other end are all connected on heat supply network water return pipeline 19, the other end of one end of heat supply network water return pipeline 19, one end of cold water pipe 21, accumulation of heat pump 15 and cold water pipe 21 is arranged in order along heat supply network water return pipeline 19, and heat release cold water control valve 16 is arranged on cold water pipe 21.
In the present embodiment, heat supply network is connected on accumulation of heat pipeline 24 for one end of backwater contact pipeline 22, one end that this heat supply network is got in touch with pipeline 22 for backwater is between accumulation of heat pressure-reducing valve 12 and heat accumulating water temperature tester 13, heat supply network is connected on heat supply network water return pipeline 19 for the other end of backwater contact pipeline 22, the other end that this heat supply network is got in touch with pipeline 22 for backwater is between one end of heat supply network water return pipeline 19 and one end of cold water pipe 21, mix control valve 14 and be arranged on heat supply network on backwater contact pipeline 22, electrical connection between described heat accumulating water temperature tester 13 and mixing control valve 14.
In the present embodiment, one end of moisturizing pipeline 23 is connected on heat supply network water return pipeline 19, and one end of this moisturizing pipeline 23 is between the other end of cold water pipe 21 and the other end of heat supply network water return pipeline 19, and accumulation of heat side small pump 17 is arranged on moisturizing pipeline 23.
In the present embodiment, be applied to heat supply network direct hold over system to hold heat release method as follows: exothermic process is: a heat supply network supply water temperature is during less than or equal to 98 DEG C, and the heat supply network water supply line that the hot water that heat-accumulator tank 6 is interior 98 DEG C enters after heat supply initial station 1 through heat release pump 9 and heat release hot water control valve a10 successively carries out heat release; When a heat supply network supply water temperature is during higher than 98 DEG C, the heat supply network water return pipeline before the hot water in heat-accumulator tank 6 enters heat supply initial station 1 through heat release pump 9 and heat release hot water control valve b11 and after a pumps for hot water supply net 2 carries out heat release; In order to maintain the interior stable liquid level of heat-accumulator tank 6, hot water in heat-accumulator tank 6 is during to heat supply network heat release, need have isopyknic heat supply network backwater to enter 6, pumps for hot water supply net of heat-accumulator tank 2 not heated heat supply network backwater before enters in heat-accumulator tank 6 through heat release cold water control valve 16 and lower water distributing tray 8.By under different heat supply network supply water temperatures, select different heat release hot water control valves and corresponding and a corresponding interface position of heat supply network, can fully avoid heat-accumulator tank hot water temperature and a unmatched situation of heat supply network supply water temperature, thereby meet consumers' demand, reduce heat exchange loss.
Heat-accumulating process is: when accumulation of heat, high temperature heat supply network after heat supply initial station 1 supplies water after accumulation of heat pressure-reducing valve 12, enter in heat-accumulator tank 6 by upper water distributing tray 7, heat accumulating water temperature tester 13 is housed on accumulation of heat pipeline 24, the hot water temperature who enters in heat-accumulator tank 6 is monitored, when institute's calorimetric coolant-temperature gage is during higher than hot water temperature in heat-accumulator tank 6, heat supply network is opened for the mixing control valve 14 on backwater contact pipeline 22, and be adjusted to suitable aperture, the heat supply network backwater that portion temperature is lower supplies water and mixes with high temperature heat supply network, the hot water temperature who makes to enter in heat-accumulator tank 6 maintains 98 DEG C, avoid occurring higher than the water of 98 DEG C enters heat-accumulator tank 6 vaporization phenomenon, equally, in order to maintain the interior stable liquid level of heat-accumulator tank 6, the heat supply network of one secondary net side supplies water and enters while carrying out accumulation of heat in heat-accumulator tank 6, need have isopyknic heat supply network backwater to discharge heat-accumulator tank 6, the cold water of heat-accumulator tank 6 interior lower floors is delivered to pumps for hot water supply net of original heating system 2 heat supply network pipeline before by accumulation of heat pump 15.Whole hold over system can be regarded a special hot user of heat supply initial station 1 as, and this special hot user has heat release and heat accumulation function, can carry out heat regulation to a heat network system.
98 DEG C of the mentioned hot water temperatures of the present invention, are to depress based on normal atmosphere, the temperature that hot water is not vaporized.Heat supply network in the present invention is directly connected with original heating system for water return pipeline.On the heat supply network water return pipeline 19 that under the present invention, water distributing tray 8 is connected, be also provided with accumulation of heat side small pump 17, in the time that this hold over system is normally worked, the secondary net side small pump 4 of tradition in heat network system can operation at part load or closed down, replace and carry out moisturizing with accumulation of heat side small pump 17, still can play voltage stabilizing and moisturizing effects.The present invention under different heat supply network supply water temperatures, select different heat release hot water control valves and with a corresponding interface position of heat supply network, can meet user's heat demand, can reduce heat exchange loss.
In addition, it should be noted that, the specific embodiment described in this description, shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this description is only to structure example of the present invention explanation.All equivalence variation or simple change of doing according to described structure, feature and the principle of patent design of the present invention, are included in the protection domain of patent of the present invention.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (4)
1. one kind is applied to the direct hold over system of heat supply network, it is characterized in that: comprise nitrogen-making device, heat-accumulator tank, upper water distributing tray, lower water distributing tray, heat release pump, heat release hot water control valve a, heat release hot water control valve b, accumulation of heat pressure-reducing valve, heat accumulating water temperature tester, mix control valve, accumulation of heat pump, heat release cold water control valve, heat supply network water supply line, heat supply network water return pipeline, high temperature feed pipe, cold water pipe, heat supply network is for backwater contact pipeline and accumulation of heat pipeline, described nitrogen-making device is connected to the top of heat-accumulator tank, described upper water distributing tray and lower water distributing tray are arranged on respectively top and the bottom of heat-accumulator tank, one end of described heat supply network water supply line is connected on water distributing tray, described heat release pump and heat release hot water control valve a are installed on heat supply network water supply line, one end of described heat supply network water supply line, heat release pump and heat release hot water control valve a are arranged in order along heat supply network water supply line, one end of described high temperature feed pipe is connected on heat supply network water supply line, and one end of this high temperature feed pipe is between heat release pump and heat release hot water control valve a, and described heat release hot water control valve b is arranged on high temperature feed pipe, one end of described accumulation of heat pipeline is connected on heat supply network water supply line, one end of this accumulation of heat pipeline is between one end and heat release pump of heat supply network water supply line, described accumulation of heat pressure-reducing valve and heat accumulating water temperature tester are installed on accumulation of heat pipeline, and one end of described accumulation of heat pipeline, heat accumulating water temperature tester and accumulation of heat pressure-reducing valve are arranged in order along accumulation of heat pipeline, one end of described heat supply network water return pipeline is connected on lower water distributing tray, described accumulation of heat pump is arranged on heat supply network water return pipeline, one end of described cold water pipe and the other end are all connected on heat supply network water return pipeline, the other end of one end of described heat supply network water return pipeline, one end of cold water pipe, accumulation of heat pump and cold water pipe is arranged in order along heat supply network water return pipeline, and described heat release cold water control valve is arranged on cold water pipe, described heat supply network is connected on accumulation of heat pipeline for one end of backwater contact pipeline, one end that this heat supply network is got in touch with pipeline for backwater is between accumulation of heat pressure-reducing valve and heat accumulating water temperature tester, described heat supply network is connected on heat supply network water return pipeline for the other end of backwater contact pipeline, the other end that this heat supply network is got in touch with pipeline for backwater is between one end of heat supply network water return pipeline and one end of cold water pipe, described mixing control valve is arranged on heat supply network on backwater contact pipeline, between described heat accumulating water temperature tester and mixing control valve, is electrically connected.
2. the direct hold over system that is applied to heat supply network according to claim 1, it is characterized in that: also comprise accumulation of heat side small pump and moisturizing pipeline, one end of described moisturizing pipeline is connected on heat supply network water return pipeline, one end of this moisturizing pipeline is between the other end of cold water pipe and the other end of heat supply network water return pipeline, and described accumulation of heat side small pump is arranged on moisturizing pipeline.
3. the direct hold over system that is applied to heat supply network according to claim 1 and 2, is characterized in that: the other end of the other end of described accumulation of heat pipeline and heat supply network water supply line is arranged in order along heat supply network pipeline.
A direct hold over system that is applied to heat supply network as described in claim 1 or 2 or 3 hold heat release method, it is characterized in that: exothermic process is: a heat supply network supply water temperature is during less than or equal to 98 DEG C, the heat supply network water supply line that in heat-accumulator tank, the hot water of 98 DEG C enters after heat supply initial station through heat release pump and heat release hot water control valve a successively carries out heat release, when a heat supply network supply water temperature is during higher than 98 DEG C, the heat supply network water return pipeline before the hot water in heat-accumulator tank enters heat supply initial station through heat release pump and heat release hot water control valve b and after a pumps for hot water supply net carries out heat release, in order to maintain liquid level stable in heat-accumulator tank, hot water in heat-accumulator tank is during to heat supply network heat release, need have isopyknic heat supply network backwater to enter heat-accumulator tank, the not heated heat supply network backwater before a pumps for hot water supply net enters in heat-accumulator tank through heat release cold water control valve and lower water distributing tray, heat-accumulating process is: when accumulation of heat, high temperature heat supply network after heat supply initial station supplies water after accumulation of heat pressure-reducing valve, enter in heat-accumulator tank by upper water distributing tray, heat accumulating water temperature tester is housed on accumulation of heat pipeline, the hot water temperature who enters in heat-accumulator tank is monitored, when institute's calorimetric coolant-temperature gage is during higher than hot water temperature in heat-accumulator tank, heat supply network is opened for the mixing control valve on backwater contact pipeline, and be adjusted to suitable aperture, the heat supply network backwater that portion temperature is lower supplies water and mixes with high temperature heat supply network, the hot water temperature who makes to enter in heat-accumulator tank maintains 98 DEG C, avoid entering heat-accumulator tank and occurring vaporization phenomenon higher than the water of 98 DEG C, equally, in order to maintain liquid level stable in heat-accumulator tank, the heat supply network of one secondary net side supplies water and enters while carrying out accumulation of heat in heat-accumulator tank, need have isopyknic heat supply network backwater to discharge heat-accumulator tank, in heat-accumulator tank, the cold water of lower floor is delivered to pumps for hot water supply net of original heating system heat supply network pipeline before by accumulation of heat pump.
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| CN107655057A (en) * | 2017-09-07 | 2018-02-02 | 华电电力科学研究院 | Integrally coordinate heating system and control method in net source |
| CN108488877A (en) * | 2018-01-03 | 2018-09-04 | 上海今日能源工程有限公司 | A kind of hold over system being used for steam power plant and distributed trilogy supply gas turbine |
| CN108534210A (en) * | 2018-06-14 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | Superposing type energy storage heat heat pump heating system |
| CN112197335A (en) * | 2020-11-16 | 2021-01-08 | 上海有隆工程勘测技术有限公司 | Pipeline heat storage type instant heating type high-temperature water source heat pump set water heating system |
| CN112524671A (en) * | 2020-11-26 | 2021-03-19 | 国核电力规划设计研究院有限公司 | Heat storage tank system |
| CN114440288A (en) * | 2021-12-28 | 2022-05-06 | 华电电力科学研究院有限公司 | Pipe network heat storage system based on serial connection of heat supply network supply and return main pipes and regulation and control method thereof |
| CN115111625A (en) * | 2022-06-30 | 2022-09-27 | 华电电力科学研究院有限公司 | Remote steam source heat supply network debugging method |
| JP7472322B2 (en) | 2021-12-28 | 2024-04-22 | 華電電力科学研究院有限公司 | Heat storage system for a piping network connected in series to the main water supply pipe and main water return pipe of a heat supply network and adjustment method thereof |
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| CN107655057A (en) * | 2017-09-07 | 2018-02-02 | 华电电力科学研究院 | Integrally coordinate heating system and control method in net source |
| CN108488877A (en) * | 2018-01-03 | 2018-09-04 | 上海今日能源工程有限公司 | A kind of hold over system being used for steam power plant and distributed trilogy supply gas turbine |
| CN108534210A (en) * | 2018-06-14 | 2018-09-14 | 济南金孚瑞供热工程技术有限公司 | Superposing type energy storage heat heat pump heating system |
| CN108534210B (en) * | 2018-06-14 | 2023-12-01 | 济南金孚瑞供热工程技术有限公司 | Implementation method of stacked energy storage type heat pump heating system |
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| CN114440288B (en) * | 2021-12-28 | 2022-10-28 | 华电电力科学研究院有限公司 | Pipe network heat storage system based on serial connection of heat supply network supply and return main pipes and regulation and control method thereof |
| JP7472322B2 (en) | 2021-12-28 | 2024-04-22 | 華電電力科学研究院有限公司 | Heat storage system for a piping network connected in series to the main water supply pipe and main water return pipe of a heat supply network and adjustment method thereof |
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