CN103542444A - System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode - Google Patents
System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode Download PDFInfo
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- CN103542444A CN103542444A CN201210244002.6A CN201210244002A CN103542444A CN 103542444 A CN103542444 A CN 103542444A CN 201210244002 A CN201210244002 A CN 201210244002A CN 103542444 A CN103542444 A CN 103542444A
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Abstract
Provided is a system for supplying heat for heat energy users by utilizing the waste heat of a heating plant in an echeloned mode. According to the system, a power plant steam extraction pipeline is communicated with a power plant steam-water heat exchanger; the power plant steam-water heat exchanger is communicated with the heat energy users through a heat supply hot water pipeline and a heat supply return water pipeline; the power plant steam-water heat exchanger is connected with a condensate water returning pipeline. The system is characterized in that the heat supply return water pipeline is connected with at least one waste heat collecting and heating device in series; the power plant steam extraction pipeline is connected with at least one surplus steam utilization device. According to a series of energy-saving measures in the aspects of improving the quality of waste heat, meeting the needs of temperature and fully utilizing the heat in the echeloned mode, the satisfactory heat supply effect for the heat energy users is achieved, and the ideal energy-saving and environment-friendly effect is also achieved.
Description
Technical field
The present invention relates to a kind of heating system of utilizing heating plant periphery waste heat, specifically a kind of heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user.
Background technology
At present, conventional heat-supplying mode is to utilize steam power plant draw gas heating heat supply backwater or fossil fuel, the heat supply of heating by electric cooker mode, and often have a large amount of remaining waste heat to abandon in environment or do inefficient application at the periphery of heating plant, cause the waste of the energy, do not meet temperature counterpart, echelon is utilized the energy-conservation principle of the energy.
Summary of the invention
The object of the invention is: in order to overcome above-mentioned deficiency, provide a kind of heating plant echelon to utilize the heating system of remaining waste thermal energy to heat energy user, it utilizes a large amount of the abandoning in environment or make the remaining waste heat of inefficient application of periphery of heating plant, carries out the energy-conservation principle that makes full use of the energy of temperature counterpart, echelon.
The present invention realizes by such technical scheme: a kind of heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user, comprise: power plant's pipeline that draws gas is communicated with power plant's vapor-water heat exchanger, power plant's vapor-water heat exchanger is communicated with hot user by heat supply hot water piping, confession hot water return line respectively, power plant's vapor-water heat exchanger connects condensate return pipeline, and described is connected in series at least one remaining waste thermal energy collection heater for hot water return line; Described power plant draws gas, and pipeline is other to be connect at least one and saves steam utilization apparatus.
Described at least one surplus reheat machine that draws gas that is connected in series on heat supply hot water piping, saves the reheat machine that draws gas and is communicated with power plant's pipeline that draws gas by the surpluss reheat machine heat supply pipeline that draws gas, and saves the reheat machine that draws gas and is communicated with the surplus condensate piping that draws gas.
Described for hot water return line, be connected in series the remaining waste thermal energy of at least one high temperature and gather heater, the remaining waste thermal energy of described high temperature gathers heater and is communicated with respectively that the remaining waste thermal energy of high temperature gathers heater heat supply pipeline, the remaining waste thermal energy of high temperature gathers heater return piping.
Described remaining waste thermal energy gathers heater and is communicated with respectively remaining waste thermal energy collection heater heat supply pipeline, remaining waste thermal energy collection heater return piping.
Described power plant draws gas, between pipeline and power plant's vapor-water heat exchanger, power plant's temperature-decreased pressure reducer is set, and power plant's temperature-decreased pressure reducer is communicated with power plant's vapor-water heat exchanger by the pressure and temperature reducing heat supply pipeline that draws gas.
The present invention to the periphery of heating plant a large amount of abandon in environment or do the remaining waste heat of inefficient application, it improves quality, temperature counterpart, echelon and makes full use of a series of conservation measures.Reach heat energy user satisfied, reached again desirable energy-saving and environmental protection effect.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 structural representation.
Fig. 2 is the embodiment of the present invention 2 structural representations.
Fig. 3 is the embodiment of the present invention 3 structural representations.
Fig. 4 is the embodiment of the present invention 4 structural representations.
Number description:
1, power plant's vapor-water heat exchanger, 2, hot user, 3, remaining waste thermal energy gathers heater, 4, power plant's temperature-decreased pressure reducer, 5, the pressure and temperature reducing heat supply pipeline that draws gas, 6, condensate return pipeline, 7, heat supply hot water piping, 8, for hot water return line, 9, remaining waste thermal energy gathers heater heat supply pipeline, 10, remaining waste thermal energy gathers heater return piping, 11, the remaining waste thermal energy of high temperature gathers heater, 12, the remaining waste thermal energy of high temperature gathers heater heat supply pipeline, 13, the remaining waste thermal energy of high temperature gathers heater return piping, 14, save steam utilization apparatus, 15, the surplus reheat machine that draws gas, 16, the surplus reheat machine heat supply pipeline that draws gas, 17, power plant's pipeline that draws gas, 18, the surplus condensate piping that draws gas.
The specific embodiment
A kind of heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user, as shown in Figure 1, comprise: draw gas pipeline 17 of power plant is communicated with power plant's vapor-water heat exchangers 1, power plant's vapor-water heat exchanger 1 is communicated with hot users 2 by heat supply hot water piping 7, confession hot water return line 8 respectively, power plant's vapor-water heat exchanger 1 is communicated with condensate return pipeline 6, and described gathers heater 3 for remaining waste thermal energy of hot water return line 8 serial connection.
Described remaining waste thermal energy gathers heater 3 and is communicated with respectively remaining waste thermal energy collection heater heat supply pipeline 9, remaining waste thermal energy collection heater return piping 10.
Described power plant draws gas and otherly on pipeline 17 connects one and save steam utilization apparatus 14.
The course of work:
First, draw gas pipeline 17 of power plant gathers the remaining useless steam of power plant's peripheries and as heat source, through power plant's vapor-water heat exchanger 1, heats the heat supply hot water after heating in Hou， power plant vapor-water heat exchanger 1 and be transported to hot user 2 through heat supply hot water piping 7.
Described hot user's 2 heating water return gathers after the preliminary heat temperature raising of heater 3 through the remaining waste thermal energy for hot water return line 8 again, by entering power plant's vapor-water heat exchanger 1 for hot water return line 8, be heated to former setting heat supply temperature, through heat supply hot water piping 7, be transported to hot user 2, complete one for Thermal Cycling.
Otherly on draw gas pipeline 17 in power plant connecing one and save steam utilization apparatus 14, is to adjust to enter the steam flow of saving steam utilization apparatus 14, the remaining vapor portion of envoy or all for power plant's power generation cycle or partly or entirely enter surplus steam utilization apparatus.
A kind of heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user, as shown in Figure 2, its structure is substantially the same manner as Example 1, difference is: the described surplus reheat machine 15 that draws gas that is connected in series on heat supply hot water piping 7, and the described surplus reheat machine 15 that draws gas is communicated with power plants' pipeline 17 that draws gas by the surplus reheat machine heat supply pipeline 16 that draws gas; Draw gas reheat machine 15 of surplus is communicated with and saves the condensate piping 18 that draws gas.
Described power plant draws gas and otherly on pipeline 17 connects one and save steam utilization apparatus 14.
The course of work:
First, the steam that draws gas that pipeline 17 gathers power plant draws gas as heat source in power plant, to power plant's vapor-water heat exchanger 1, carry out after one-level heating, hot water in power plant's vapor-water heat exchanger 1 after heating is carried out, after secondary heating, through heat supply hot water piping 7, being transported to hot user 2 by the surplus of heat supply hot water piping 7 reheat machine 15 that draws gas again.
Described hot user's 2 heat supply backwater gathers after heater 3 heat temperature raisings through the remaining waste thermal energy for hot water return line 8 again, by entering power plant's vapor-water heat exchanger 1 for hot water return line 8, be heated to former setting heat supply temperature, through heat supply hot water piping 7, to saving the reheat machine 15 that draws gas, carry out again after secondary heating again, through heat supply hot water piping 7, be transported to hot user 2, complete one for Thermal Cycling.
The present embodiment utilization is saved the reheat machine 15 that draws gas and is carried out, after secondary heating, through heat supply hot water piping 7, being transported to hot user 2 again.Can improve so hot user's 2 heat capacities, increase area of heat-supply service.Accomplish hot customer satisfaction system heating effect, reached desirable energy-conservation environmental protection again.
A kind of heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user, as shown in Figure 3, its structure is substantially the same manner as Example 2, difference is: described for the remaining waste thermal energy of high temperature of hot water return line 8 serial connections, gather heater 11, the remaining waste thermal energy of described high temperature gathers heater 11 and is communicated with respectively that the remaining waste thermal energy of high temperature gathers heater heat supply pipeline 12, the remaining waste thermal energy of high temperature gathers heater return piping 13.
The course of work:
First, the steam that draws gas that pipeline 17 gathers power plant draws gas as heat source in power plant, to power plant's vapor-water heat exchanger 1, carry out after one-level heating, hot water in power plant's vapor-water heat exchanger 1 after heating is carried out, after secondary heating, through heat supply hot water piping 7, being transported to hot user 2 by the surplus of heat supply hot water piping 7 reheat machine 15 that draws gas again.
Described hot user's 2 heat supply backwater gathers heater 3 heat temperature raisings through the remaining waste thermal energy for hot water return line 8 again and by waste thermal energy more than high temperature, gathers heater 11 and continue after heating, by entering power plant's vapor-water heat exchanger 1 for hot water return line 8, be heated to former setting heat supply temperature, through heat supply hot water piping 7, to saving the reheat machine 15 that draws gas, carry out again after secondary heating again, through heat supply hot water piping 7, be transported to hot user 2, complete one for Thermal Cycling.
A kind of heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user, as shown in Figure 4, its structure is substantially the same manner as Example 3, difference is: described power plant draws gas, between pipeline 17Yu power plant vapor-water heat exchanger 1, power plant's temperature-decreased pressure reducer 4 is set, and power plant's temperature-decreased pressure reducer 4 is communicated with power plant's vapor-water heat exchangers 1 by draw gas pipeline 5 of pressure and temperature reducing heat supply.
The course of work:
First, draw gas pipeline 17 of power plant gathers power plants' steam that draws gas and by the pressure and temperature reducing heat supply pipeline 5 that draws gas, to power plant's vapor-water heat exchanger 1, carries out after one-level heating through power plant's temperature-decreased pressure reducer 4 as heat source, steam, hot water in power plant's vapor-water heat exchanger 1 after heating is carried out, after secondary heating, through heat supply hot water piping 7, being transported to hot user 2 by the surplus of heat supply hot water piping 7 reheat machine 15 that draws gas again.
Described hot user 2 heat supply backwater gather after the preliminary heat temperature raising of heater 3 through the remaining waste thermal energy for hot water return line 8 again, through waste thermal energy more than high temperature, gather after heater 11 continues heating and be heated to former setting heat supply temperature by entering power plant's vapor-water heat exchanger 1 for hot water return line 8 again, through heat supply hot water piping 7, to saving the reheat machine 15 that draws gas, carry out again after secondary heating again, through heat supply hot water piping 7, be transported to hot user 2, complete one for Thermal Cycling.
On draw gas pipeline 17Zhi power plant temperature-decreased pressure reducer 4 pipelines in power plant, side connects one and saves steam utilization apparatus 14, to adjust to enter to save steam utilization apparatus 14 and enter the steam flow of saving the reheat machine 15 that draws gas, the remaining steam of envoy partly or entirely for power plant's power generation cycle, partly or entirely enter and save the reheat machine or partly or entirely enter and save steam re-use device of drawing gas.
Experimental results show that: the present invention is to a large amount of the abandoning in environment of the periphery of heating plant, or make the remaining waste heat of inefficient application, it improves a series of conservation measures that quality, temperature counterpart, echelon make full use of.Can improve power plant's heat capacity, increase area of heat-supply service.Reach hot user and be satisfied with heating effect, realized not only desirable energy-conservation but also environment protecting.
Claims (5)
1. a heating plant echelon is utilized the heating system of remaining waste thermal energy to heat energy user, comprise: power plant's pipeline (17) that draws gas is communicated with power plant's vapor-water heat exchanger (1), power plant's vapor-water heat exchanger (1) is communicated with hot user (2) by heat supply hot water piping (7), confession hot water return line (8) respectively, power plant's vapor-water heat exchanger (1) connects condensate return pipeline (6), it is characterized in that: described is connected in series at least one remaining waste thermal energy collection heater (3) for hot water return line (8); Described power plant draws gas, and pipeline (17) is other to be connect at least one and saves steam utilization apparatus (14).
2. heating plant echelon according to claim 1 is utilized the heating system of remaining waste thermal energy to heat energy user, it is characterized in that: described at least one surplus of the upper serial connection of heat supply hot water piping (7) reheat machine (15) that draws gas, the surplus reheat machine (15) that draws gas is communicated with power plant's pipeline (17) that draws gas by the surplus reheat machine heat supply pipeline (16) that draws gas, and saves the reheat machine (15) that draws gas and is communicated with and saves the condensate piping (18) that draws gas.
3. heating plant echelon according to claim 1 is utilized the heating system of remaining waste thermal energy to heat energy user, it is characterized in that: described for hot water return line (8), be connected in series the remaining waste thermal energy of at least one high temperature and gather heater (11), the remaining waste thermal energy of described high temperature gathers heater (11) and is communicated with respectively that the remaining waste thermal energy of high temperature gathers heater heat supply pipeline (12), the remaining waste thermal energy of high temperature gathers heater return piping (13).
4. heating plant echelon according to claim 1 is utilized the heating system of remaining waste thermal energy to heat energy user, it is characterized in that: described remaining waste thermal energy collection heater (3) is communicated with respectively remaining waste thermal energy collection heater heat supply pipeline (9), remaining waste thermal energy gathers heater return piping (10).
5. according to the heating plant echelon described in claim 1 or 2 or 3 or 4, utilize the heating system of remaining waste thermal energy to heat energy user, it is characterized in that: described power plant draws gas, between pipeline (17) and power plant's vapor-water heat exchanger (1), power plant's temperature-decreased pressure reducer (4) is set, power plant's temperature-decreased pressure reducer (4) is communicated with power plant's vapor-water heat exchanger (1) by the pressure and temperature reducing heat supply pipeline (5) that draws gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210244002.6A CN103542444A (en) | 2012-07-16 | 2012-07-16 | System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210244002.6A CN103542444A (en) | 2012-07-16 | 2012-07-16 | System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode |
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| CN103542444A true CN103542444A (en) | 2014-01-29 |
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| CN201210244002.6A Pending CN103542444A (en) | 2012-07-16 | 2012-07-16 | System for supplying heat for heat energy users by utilizing waste heat of heating plant in echeloned mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990259A (en) * | 2019-04-09 | 2019-07-09 | 福州怡辉电力设备有限公司 | It is a kind of to fire the industrial steam-supplying system and adjusting method for mending temperature raising in user terminal natural gas |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56119430A (en) * | 1980-02-25 | 1981-09-19 | Hitachi Ltd | Reactor building heating system |
| CN2771697Y (en) * | 2005-01-04 | 2006-04-12 | 贾玉春 | Energy-saving type steam boiler heat-supplying system |
| CN201662132U (en) * | 2009-11-04 | 2010-12-01 | 陈连祥 | System equipment of power plant for supplying heat to buildings |
| CN101906997A (en) * | 2010-07-05 | 2010-12-08 | 双良节能系统股份有限公司 | Condensation heat recovery central heating system of power plant indirect air cooling machine set |
-
2012
- 2012-07-16 CN CN201210244002.6A patent/CN103542444A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56119430A (en) * | 1980-02-25 | 1981-09-19 | Hitachi Ltd | Reactor building heating system |
| CN2771697Y (en) * | 2005-01-04 | 2006-04-12 | 贾玉春 | Energy-saving type steam boiler heat-supplying system |
| CN201662132U (en) * | 2009-11-04 | 2010-12-01 | 陈连祥 | System equipment of power plant for supplying heat to buildings |
| CN101906997A (en) * | 2010-07-05 | 2010-12-08 | 双良节能系统股份有限公司 | Condensation heat recovery central heating system of power plant indirect air cooling machine set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990259A (en) * | 2019-04-09 | 2019-07-09 | 福州怡辉电力设备有限公司 | It is a kind of to fire the industrial steam-supplying system and adjusting method for mending temperature raising in user terminal natural gas |
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Application publication date: 20140129 |