CN208011830U - A kind of waste heat storage heating system - Google Patents
A kind of waste heat storage heating system Download PDFInfo
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- CN208011830U CN208011830U CN201820060351.5U CN201820060351U CN208011830U CN 208011830 U CN208011830 U CN 208011830U CN 201820060351 U CN201820060351 U CN 201820060351U CN 208011830 U CN208011830 U CN 208011830U
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Abstract
The utility model discloses a kind of waste heat storage heating systems, including, steam circulation, heated water re-circulation's subsystem, user's water cycle subsystem and regenerative apparatus;Heated water re-circulation's subsystem is concatenated by pipeline with regenerative apparatus, the output end of the regenerative apparatus by pipeline respectively in heated water re-circulation's subsystem and user's water cycle subsystem heat exchange station and pumps for hot water supply net concatenate.Advantageous effect is:Due to increasing regenerative apparatus, when improving the day and night temperature or unstable industrial exhaust heat of traditional waste heat recovery heating, the supply water temperature of heating system and heat is set to maintain in the reasonable scope, effectively to maintain the stabilization of heating system by regenerative apparatus;The efficiency of residual neat recovering system is improved, equipment installed capacity can be reduced, reduces initial investment;In addition, by increasing regenerative apparatus, it ensure that when severe winter or short time are without residual heat resources, heating system run time can be extended.
Description
Technical field
The utility model is related to a kind of afterheat utilizing systems;More particularly to a kind of waste heat storage heating system.
Background technology
The high energy-consuming enterprises such as thermal power plant, steel plant, oil, chemical industry, cement will produce largely in process of production
Waste heat, these waste heat are directly discharged to air by cooling tower or Air-Cooling Island, not only cause huge energy loss, but also
Also create environmental pollution.Actually day and night temperature is big, and nocturnal temperature is low for hankering, system effectiveness is low, and heating capacity is few, and heat supply needs
Ask more;Day temperature is high, and system effectiveness is high, and heating capacity is more, and demand is few;Waste heat recovery heating system does not have heat balance ability
It is poor, usually meet heat demand to increase installed capacity, increase equipment investment, reduces utilization rate of equipment and installations, Bu Nengchong
The effect of residual neat recovering system is waved in distribution.
Invention content
Technical problem to be solved by the utility model is to provide a kind of supply water temperatures making heating system and heat to maintain
Waste heat storage heating system in the reasonable scope.
Technical solution used by the utility model is:A kind of waste heat storage heating system, including, steam circulation,
Heated water re-circulation's subsystem, user's water cycle subsystem and regenerative apparatus;Heated water re-circulation's subsystem passes through pipeline and storage
Thermal concatenates, and the output end of the regenerative apparatus recycles subsystem with heated water re-circulation's subsystem and user's water respectively by pipeline
Heat exchange station in system and pumps for hot water supply net concatenation.
Heated water re-circulation's subsystem includes the heat exchange station, pumps for hot water supply net, heat pump unit being sequentially connected in series by pipeline
And vapor-water heat exchanger;The vapor-water heat exchanger is concatenated with heat exchange station and regenerative apparatus respectively by pipeline.
Heated water re-circulation's subsystem includes heat user, secondary heat networks circulating pump and heat exchange station;The heat exchange station passes through
Pipeline is concatenated with heat user, and the return water of the heat user enters heat exchange station by pipeline and secondary heat networks circulating pump.
The steam circulation includes heating plant and drainage pump;The outlet of the heating plant passes through pipeline and heat pump unit
It is concatenated with drainage pump;The outlet of the heating plant is concatenated by pipeline with steam water heat exchanger and condensate pump.
Waste heat water circulation system includes waste heat/waste heat, waste heat water-circulating pump and and the heat pump unit concatenated by pipeline.
The utility model has the beneficial effects that:Due to increasing regenerative apparatus, the daytime of traditional waste heat recovery heating is improved
When the night temperature difference or unstable industrial exhaust heat, the supply water temperature of heating system and heat is set to maintain zone of reasonableness by regenerative apparatus
It is interior, effectively maintain the stabilization of heating system;The efficiency of residual neat recovering system is improved, equipment installed capacity can be reduced, is reduced
Initial investment;In addition, by increasing regenerative apparatus, it ensure that when severe winter or short time are without residual heat resources, heat supply can be extended
System operation time.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of the utility model waste heat storage heating system;
Fig. 2 is the utility model heat accumulation and heat release operation schematic diagram.
In figure:
1. 2. drainage pump of heating plant, 3. vapor-water heat exchanger, 4. valve
5. 6. heat user of regenerative apparatus, 7. 2 net water circulating pump, 8. heat exchange station
9. 10. heat pump unit of circulation pump of heat-supply network, 11. remaining hot water water circulating pump
12. waste heat/waste heat.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
As shown in Figure 1, a kind of waste heat storage heating system of the utility model, including, heated water re-circulation's subsystem, Yong Hushui
Cycle subsystem and regenerative apparatus;Heated water re-circulation's subsystem is concatenated by pipeline with regenerative apparatus, the regenerative apparatus
Output end by pipeline respectively in heated water re-circulation's subsystem and user's water cycle subsystem heat exchange station and heat supply network recycle
Pump concatenation.
Heated water re-circulation's subsystem includes heat exchange station 8, pumps for hot water supply net 9, the heat pump machine being sequentially connected in series by pipeline
Group 10 and vapor-water heat exchanger 3;The vapor-water heat exchanger 3 is concatenated with heat exchange station 8 and regenerative apparatus 5 respectively by pipeline.It is described to add
Hot water circuit subsystem includes heat user 6, secondary heat networks circulating pump 7 and heat exchange station 8;The heat exchange station 8 is used by pipeline and heat
Family 6 concatenates, and the return water of the heat user 6 enters heat exchange station 8 by pipeline and secondary heat networks circulating pump 7.
Heat supply network cycle point is made of two-way.The first via is recycled by heat exchange station 8, circulation pump of heat-supply network 9, heat pump unit 10, vapour
Water- to-water heat exchanger 3 is sequentially connected in series by pipeline.Second tunnel is recycled by heat exchange station 8, circulation pump of heat-supply network 9, heat pump unit 10, vapour
Water- to-water heat exchanger 3, regenerative apparatus 5 are formed by placed in series.
When normal work:Heat supply network return water is changed by circulation pump of heat-supply network 9 by heat pump unit 10, carbonated drink from heat exchange station 8
Hot device 3, then heat exchange station 8 is transported to by water supply line.
When accumulation of heat works:Heat supply network return water is changed by circulation pump of heat-supply network 9 by heat pump unit 10, carbonated drink from heat exchange station 8
The high-temperature-hot-water of hot device 3 divides two-way, is fed directly to heat exchange station 8 all the way, is delivered to water-storing device 5 all the way and waste heat is stored
Get up.
When heat release works:Heat supply network return water is changed by circulation pump of heat-supply network 9 by heat pump unit 10, carbonated drink from heat exchange station 8
Hot device 3, regenerative apparatus 5, then heat exchange station 8 is delivered to by water supply line.
Heating plant 1,2 groups of drainage pump are shaped as steam circulation, and branch and the 4th cycle branch structure are recycled by third
At third cycle branch is passed sequentially through pipeline and concatenated by heating plant 1, heat pump unit 10, drainage pump 2, the 4th cycle branch
Heating plant 1, steam water heat exchanger 3 and drainage pump 2 pass sequentially through pipeline and concatenate;When normal operation, vapour source provides work and wants
The steam asked, all the way steam enter heat pump unit operation, in the process of running, steam heat-exchanging condensation, and heat pump cycle complete
The recycling of thermal energy in steam thermal energy and remaining hot water, and thermal energy is turned in heat supply network recirculated water, the temperature of heat supply network recirculated water is improved for the first time
Up to 90 DEG C.Condensed steam is circulated back to by drainage pump in vapour source.Another way steam circulation is then, steam directly into
Enter vapor-water heat exchanger, reheating, to improve the supply water temperature of hot net water, the temperature are carried out to the hot net water come out from heat pump unit
After the road steam condensation, heating plant is pumped back to again by hydrophobic up to 130 DEG C for degree.
It pipeline is passed sequentially through by waste heat/waste heat 12, waste heat water-circulating pump 11 and heat pump unit 10 concatenates and form remaining hot water and follow
Loop system, remaining hot water enter heat pump unit, and the thermal energy in hot water is absorbed by heat pump unit, and temperature reduces, and then passes through back of pipeline
Into remaining hot water heat source.
The utility model waste heat storage heating system heat storage extra to daytime in waste heat recovery central heating extremely stores
In thermal, the heat release in night or heating plant underload or shutdown maintains the stabilization of heating system, carrying out practically process is such as
Under:
Heat accumulation operating condition:Open valve a, valve c, valve d, valve e, valve f, valve h, valve i, closing valve b,
Valve g, valve j, the primary net low-temperature water heating after the heat exchange of heat exchange station 8 passes through circulation pump of heat-supply network 9, into heat pump unit 10
It absorbs heat, using 3 reheating of vapor-water heat exchanger;A high-temperature-hot-water part after heating enters heat exchange station 8 and carries out normally
Heat supply, a part of high-temperature-hot-water are delivered to regenerative apparatus 5 and carry out accumulation of heat, and the water at low temperature after the heat absorption of regenerative apparatus 5 returns to heat
Net water circulating pump 9.
Heat release operating condition divides two ways:Mode one:Waste heat/heat sources are unstable, and heat pump unit 10 and carbonated drink are changed
Hot device 3 can be run, Open valve c, valve d, valve e, valve f, valve h, valve i, valve j, close valve b, valve g,
Valve a, the primary net low-temperature water heating after the heat exchange of heat exchange station 8 pass through circulation pump of heat-supply network 9, are inhaled into heat pump unit 10
Heat, using 3 reheating of vapor-water heat exchanger, warm water is heated again by regenerative apparatus 5 in a part, by regenerative apparatus
High-temperature-hot-water after 5 heating is delivered to heat exchange station 8 after being mixed with warm water in another part.Mode two:Waste heat/heat sources
It stops transport, heat pump unit 10 and vapor-water heat exchanger 3 are stopped transport, and Open valve b, valve g, valve h, valve i, valve j close valve
C, valve d, valve e, valve f, valve a, the primary net low-temperature water heating after the heat exchange of heat exchange station 8 pass through circulation pump of heat-supply network 9,
A part of low-temperature water heating is heated by regenerative apparatus 5, the high-temperature-hot-water after the heating of regenerative apparatus 5 and another part low temperature
It is delivered to heat exchange station 8 after hot water mixing.
Claims (5)
1. a kind of waste heat storage heating system, which is characterized in that including steam circulation, heated water re-circulation's subsystem, user
Water cycle subsystem and regenerative apparatus;Heated water re-circulation's subsystem is concatenated by pipeline with regenerative apparatus, the accumulation of heat dress
The output end set by pipeline respectively in heated water re-circulation's subsystem and user's water cycle subsystem heat exchange station and heat supply network follow
Ring pump concatenation.
2. waste heat storage heating system according to claim 1, which is characterized in that heated water re-circulation's subsystem includes
The heat exchange station being sequentially connected in series by pipeline(8), pumps for hot water supply net(9), heat pump unit(10)And vapor-water heat exchanger(3);The vapour
Water- to-water heat exchanger(3)By pipeline respectively with heat exchange station(8)And regenerative apparatus(5)Concatenation.
3. waste heat storage heating system according to claim 1, which is characterized in that heated water re-circulation's subsystem includes
Heat user(6), secondary heat networks circulating pump(7)And heat exchange station(8);The heat exchange station(8)Pass through pipeline and heat user(6)Concatenation,
The heat user(6)Return water pass through pipeline and secondary heat networks circulating pump(7)Into heat exchange station(8).
4. waste heat storage heating system according to claim 1, which is characterized in that the steam circulation includes heat source
Factory(1)And drainage pump(2);The heating plant(1)Outlet pass through pipeline and heat pump unit(10)And drainage pump(2)Concatenation;Institute
State heating plant(1)Outlet pass through pipeline and steam water heat exchanger(3)And condensate pump(2)Concatenation.
5. waste heat storage heating system according to claim 1, which is characterized in that waste heat water circulation system includes passing through pipe
Waste heat/waste heat of road concatenation(12), waste heat water-circulating pump(11)And heat pump unit(10).
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CN201721507225 | 2017-11-13 | ||
CN2017215072251 | 2017-11-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114251710A (en) * | 2021-12-27 | 2022-03-29 | 北京华源泰盟节能设备有限公司 | Heat accumulating type flue gas waste heat recovery intermittent heating system |
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2018
- 2018-01-15 CN CN201820060351.5U patent/CN208011830U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114251710A (en) * | 2021-12-27 | 2022-03-29 | 北京华源泰盟节能设备有限公司 | Heat accumulating type flue gas waste heat recovery intermittent heating system |
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