CN104456685B - A kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system - Google Patents
A kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system Download PDFInfo
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- CN104456685B CN104456685B CN201410223488.4A CN201410223488A CN104456685B CN 104456685 B CN104456685 B CN 104456685B CN 201410223488 A CN201410223488 A CN 201410223488A CN 104456685 B CN104456685 B CN 104456685B
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- single tube
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 9
- 239000002918 waste heat Substances 0.000 claims description 9
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 241000555268 Dendroides Species 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
A kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system and heat supply method are provided, including multiple heat sources, single tube heat supply network and thermal substation, wherein thermal substation includes energy source station, between for station, direct-furnish station and one kind in big temperature difference thermal substation and/or a variety of, the outlet of initial heat source is connected by the entrance of single tube heat supply network and thermal substation, thermal substation is serially connected on single tube heat supply network, heat source is concatenated with thermal substation alternate intervals, the entrance pipe of thermal substation is equipped with independent loops water pump, the outlet of thermal substation is connect by single tube heat supply network with the entrance of next stage thermal substation, or it is connect with the water return outlet of next stage heat source, the outlet of next stage heat source is connect with the entrance of the thermal substation of more next stage again by single tube heat supply network；The outlet of the thermal substation of least significant end is connect by single tube heat supply network with the water return outlet of initial heat source, and the circulation loop of single tube heat supply network is formed；Single tube heat supply network is the branch network of pipes that equal calibers water supply line is circular layout.The system is easy for installation, takes up an area less, is conducive to push Municipal infrastructure.
Description
Technical field
The present invention relates to a kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating systems, belong to heat supply process field.
Background technology
In traditional heating system, heat circulating system is by confession, water return pipeline, all kinds of valve members, expansion bend, holder, pipeline trench
And the compositions such as water tank.Arrangement form is divided into dendroid and two kinds cyclic annular, and laying supplies, two pipelines of return water, due to be limited by pipeline,
Factors, the fed distances such as resistance loss of sewage heat exchanger, heating districts topography height difference and heat supply network major cycle pump power are general
At 15~20 kilometers, long-distance sand transport then needs to build booster station (standing every pressure) again.And tradition is straight for pipeline in return water two-pipe system
Diameter changes with Design cooling load situation, drag losses and changes in flow rate, wastes tubing, and initial cost is big, system complex, and installation is not square
Just, it takes up a large area.
Invention content
It the purpose of the present invention is overcoming the shortcomings of the prior art and device, provides a kind of easy for installation, takes up an area few, be conducive to
Push the multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system of Municipal infrastructure.
To achieve the goals above, the present invention provides a kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system, including multiple heat
Source, single tube heat supply network and thermal substation, wherein thermal substation include energy source station, for one kind in station, direct-furnish station and big temperature difference thermal substation
And/or it is a variety of, the outlet of initial heat source is connected by the entrance of single tube heat supply network and thermal substation, and thermal substation is serially connected in single tube heat supply network
On, heat source is concatenated with thermal substation alternate intervals, and the entrance pipe of thermal substation is equipped with independent loops water pump, and the outlet of thermal substation is logical
It crosses single tube heat supply network to connect with the entrance of next stage thermal substation, or is connect with the water return outlet of next stage heat source, next stage heat source
Outlet is connect with the entrance of the thermal substation of more next stage again by single tube heat supply network；The outlet of the thermal substation of least significant end passes through single tube heat
Net is connect with the water return outlet of initial heat source, forms the circulation loop of single tube heat supply network；Single tube heat supply network is to wait calibers water supply line ring
The branch network of pipes of shape arrangement.
Heat supply network main circulation pump and filter are also serially connected on single tube heat supply network, the outlet of the entrance and thermal substation of filter connects
It connects, the outlet of filter is connect with the entrance of heat supply network main circulation pump, and the outlet of heat supply network main circulation pump and the water return outlet of heat source connect.
It is wherein connected between the entrance and exit of energy source station across pipe and across being provided with valve on pipe, for station
Entrance and exit between be also connected with across pipe and across being provided with valve on pipe.
Single tube heat supply network is also connect by valve with small pump and water supply tank.
Heat source is steam power plant, heating boiler, one kind in machine waste heat recovery and/or a variety of.
The entrance pipe of thermal substation is equipped with independent loops water pump, the entrance of independent loops water pump and/or outlet and adjusts
Valve connects.
Direct-furnish station is multiple, is serially connected in again on single tube heat supply network after multiple direct-furnish stations are in parallel.
Big temperature difference thermal substation is one or more, between big temperature difference thermal substation or big temperature difference thermal substation with it is one or more
It is in parallel between direct-furnish station to be serially connected in again on single tube heat supply network later.
It is connected with bypass pipe between the entrance and exit of direct-furnish station or big temperature difference thermal substation, and is provided on bypass pipe
Valve.
The present invention also provides a kind of heat supply method of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system, heat source provides high warm
Water, by single tube heat supply network by delivery to thermal substation, after thermal substation and user side heat exchange, hot water returns single tube heat supply network,
It is heated into next stage heat source, subsequently into single tube heat supply network is returned to after next stage thermal substation and the heat exchange of next stage user side, is passed through
It crosses after multilevel heat source and thermal substation, final hot water enters the water return outlet of initial heat source by heat supply network main circulation pump, is admitted to
Initial heat source heats again, completes cycle of the hot water in heat supply network；Each thermal substation can pass through independent loops water pump, adjusting
Valve realizes that independent control, water supply tank provide moisturizing, single tube by small pump to single tube heat supply network across pipe and across the valve on pipe
Heat network system water supply maximum temperature is 190 DEG C.
Description of the drawings
Fig. 1 is the overall schematic of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system described herein.
Specific implementation mode
As shown in Figure 1, the present invention provides a kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system, including multiple heat sources 1 and 1 ',
Single tube heat supply network and thermal substation, wherein thermal substation include energy source station 2, for one kind in station 3, direct-furnish station 4 and big temperature difference thermal substation 5
And/or it is a variety of, the outlet of initial heat source is connected by the entrance of single tube heat supply network and thermal substation, and thermal substation is serially connected in single tube heat supply network
On, heat source is concatenated with thermal substation alternate intervals, and the entrance pipe of thermal substation is equipped with independent loops water pump 6, the outlet of thermal substation
It is connect, or is connect with the water return outlet of next stage heat source, next stage heat source with the entrance of next stage thermal substation by single tube heat supply network
Outlet connect again with the entrance of the thermal substation of more next stage by single tube heat supply network；The outlet of the thermal substation of least significant end passes through single tube
Heat supply network is connect with the water return outlet of initial heat source, forms the circulation loop of single tube heat supply network；Single tube heat supply network is to wait calibers water supply line
The branch network of pipes being circular layout.
Big temperature difference thermal substation 5 refers to heat exchange station and installs big temperature difference lithium bromide chiller, and hot net water can be down to 20 by 100 DEG C of heat exchange
℃。
Heat supply network main circulation pump 8 and filter 7, the outlet of the entrance and thermal substation of filter 7 are also serially connected on single tube heat supply network
Connection, the outlet of filter are connect with the entrance of heat supply network main circulation pump 8, the outlet of heat supply network main circulation pump 8 and the water return outlet of heat source
Connection.
It is wherein connected between the entrance and exit of energy source station 2 across pipe and is provided with valve 11 on crossing over pipe,
For being also connected between the entrance and exit at station 3 across pipe and being provided with valve 11 on crossing over pipe.
Single tube heat supply network is also connect by valve 13 with small pump 9 and water supply tank 10.
Heat source is steam power plant 1, heating boiler, one kind in machine waste heat recovery 1 ' and/or a variety of.Waste heat recovery unit 1 ' can
Hot net water is provided to 90 DEG C, steam power plant can provide high-temperature-hot-water to 190 DEG C with heating boiler 1.
The entrance pipe of thermal substation is equipped with independent loops water pump 6, the entrance of independent loops water pump and/or outlet and adjusts
Valve 12 connects.
Direct-furnish station 4 is multiple, is serially connected in again on single tube heat supply network after multiple direct-furnish stations 4 are in parallel.
Big temperature difference thermal substation 5 is one or more, between big temperature difference thermal substation 5 or big temperature difference thermal substation and one or more
It is in parallel between a direct-furnish station to be serially connected in again on single tube heat supply network later.
It is connected with bypass pipe between the entrance and exit of direct-furnish station 4 or big temperature difference thermal substation 5, and is arranged on bypass pipe
There is valve 14.
Heat source is steam power plant 1, heating boiler, one kind in machine waste heat recovery 1 ' and/or a variety of, the high warm of heat source offer
Water, by single tube heat supply network by delivery to thermal substation, after thermal substation and user side heat exchange, hot water returns single tube heat supply network,
It is heated into next stage heat source, subsequently into single tube heat supply network is returned to after next stage thermal substation and the heat exchange of next stage user side, is passed through
It crosses after multilevel heat source and thermal substation, final hot water enters the water return outlet of initial heat source by heat supply network main circulation pump, is admitted to
Initial heat source heats again, completes cycle of the hot water in heat supply network；Each thermal substation can pass through independent loops water pump, adjusting
Valve realizes that independent control, water supply tank provide moisturizing, single tube by small pump to single tube heat supply network across pipe and across the valve on pipe
Heat network system water supply maximum temperature is 190 DEG C.
Illustrate the separate control procedure of thermal substation for for station 3.When what is closed or adjust across the valve 11 on pipe
When, the regulating valve 12 of the inlet connection of independent loops water pump 6 is opened, and the high-temperature-hot-water for carrying out self-heat power passes through 12 He of regulating valve
Independent loops water pump 6 enter between for station 3, for station 3 in user side carry out heat exchanges, hot water release heat after return again
To single tube heat supply network.After user side obtains heat, heating water is provided to the user.When for station 3 break down needs overhaul or
Between for station 3 offer heats user side do not need heat supply when, across on pipe valve 11 open, independent loops water pump 6
The regulating valve 12 of inlet connection is closed, and hot water across pipe by circulating, for 3 heat exchange of station between not entering.
The separate control procedure of energy source station 2 and 3 substantially similar for station.
Direct-furnish station 4 is directly connected by independent loops water pump 6 with its inlet with the independent control of big temperature difference thermal substation 5
Regulating valve 12 is realized, is opened or closed regulating valve 12 and is controlled whether hot water enters direct-furnish station 4 and big temperature difference thermal substation 5 is changed
Heat.
The bypass pipe connected and it is arranged on bypass pipe between the entrance and exit of direct-furnish station 4 or big temperature difference thermal substation 5
Valve 14, effect and energy source station 2 and for station 3 across tubing seemingly, needed when direct-furnish station 4 or big temperature difference thermal substation 5 break down
It overhauls or when user side does not need heat supply, opens valve 14, close the tune of the inlet connection of independent loops water pump 6
Valve 12 is saved, direct-furnish station 4 or big temperature difference thermal substation 5 can be shielded.
Independent loops water pump 6 can also adjust the flow and flow rate into the hot water of thermal substation respectively.
Single-main distribution with tradition for return water two-pipe system difference lies in water return pipeline is eliminated, utilize single water supply line
It will be together in series or parallel for each thermal substation in thermal region and each heat user, and form distributed mixing heating system.In the system
Pipeline no longer gradually attenuates with Design cooling load situation, drag losses and changes in flow rate, but is supplied by single equal calibers (waiting flows)
The branch network of pipes composition that waterpipe is circular layout.Heat supply network sigle-pipe concurrent- flow by single tube, across pipe, all kinds of valve members, expansion bend
Deng composition, tubing is saved than two-pipe system, investment, simple system, easy for installation is reduced, takes up an area less.
Since thermal substation is respectively mounted independent loops water pump 6, therefore the heat exchanger resistance damage of traditional heat supply network can not be considered in designing
It loses, only considers two line loss, heating districts topography height difference factors in 8 design selection of single-main distribution heat supply network main circulation pump, protect
It demonstrate,proves heat supply network water flowing and meets cycle, the farthest heat-net-pipeline that can be achieved 100 kilometers is suitable for long distance delivery, and reduce
Heating network operation cost.Thermal substation installs independent loops water pump 6 and across pipe, regulating valve, improves thermal substation self-adjusting ability, effectively
Solve existing heating system horizontal hydraulic imbalance, planning load and actual load, in developing mismatch problem,
Realize systems of distributed heating systems, user side flow, pressure are self-regulated by each hot source point.
Single tube heat network system water supply maximum temperature improves supply water temperature, can increase heat supply network back-up capability, be up to 190 DEG C
Dilatancy of uniting is good, while reducing heat supply network caliber, reduces initial investment, is effectively sent out with municipal heating systems long-term plan and urban construction
Exhibition.
Difference lies in, for station, direct-furnish station, also introduce energy source station between not only having for single-main distribution thermal substation and traditional heat supply network
And big temperature difference thermal substation, single-main distribution realize direct-furnish, heating network system mixing application, using energy source station, tradition ask for station,
Different connections, the combination at traditional direct-furnish station, big temperature difference thermal substation, are effectively reduced single-main distribution return water temperature, are changed to improve
The hot temperature difference promotes pipe network conveying capacity, and improves its waste heat recovery to the hot source point (steam power plant etc.) for having waste heat recovery apparatus
Ability.
One pipe heating system is the branch network of pipes for using single equal calibers (waiting flows) water supply line to circularize arrangement.Heat supply network
Sigle-pipe concurrent- flow is formed by one-pipe, across pipe, all kinds of valve members, expansion bend etc., and heat network system is simple in structure；Each heating power
It stands and independent loops water pump 6 is installed and crosses over pipe, regulating valve, thermal substation self-adjusting ability is high, is provided for the operation of multi-heat source common network
Basis.
The multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system of the present invention has the following advantages；
1, the calibers such as, single tube system；
2, branch network of pipes is circular layout；
3, single-main distribution saves tubing than two-pipe system, reduces investment；
4, sigle-pipe concurrent- flow is most simple, single tube great-leap-forward is adjusted equipped with regulating valve；
5, single-main distribution is easy for installation, takes up an area less, is conducive to push Municipal infrastructure；
6, it is suitable for long distance delivery, the farthest heat-net-pipeline that can be achieved 100 kilometers；
7, a heating network operation cost (operation of water circulating pump low speed) is reduced；
8, it solves existing heating system horizontal hydraulic imbalance and (establishes energy source station, user is self-regulated according to their needs
Required flow and pressure), realize the design of pipe networks of direct heating；
9, planning load and actual load are solved, in developing mismatch problem；
10, systems of distributed heating systems is realized, user side flow, pressure are self-regulated by each hot source point；
11, heat supply network high-temperature heat supply (hot net water maximum temperature is up to 190 DEG C) can be achieved, improve supply water temperature, heat can be increased
Net back-up capability, reduce heat supply network caliber reduce initial investment, effectively with municipal heating systems long-term plan；
12, single-main distribution dilatancy is good, strong urban construction and development；
13, direct-furnish, heating network system mixing application are realized；
14, heat supply network return water temperature is effectively reduced；
15, hot source point (steam power plant etc.) the waste heat recovery ability for having waste heat recovery apparatus is improved；
16, multi-heat source common network operation can be achieved.
Claims (1)
1. a kind of heat supply method of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system, which is characterized in that more than the multi-heat source single tube
Heat utilization heating system includes multiple heat sources, single tube heat supply network and thermal substation, thermal substation include energy source station, for station, direct-furnish station and
One or more in big temperature difference thermal substation, the outlet of initial heat source is connected by the entrance of single tube heat supply network and thermal substation, heat
Power station is serially connected on single tube heat supply network, and heat source is concatenated with thermal substation alternate intervals, the outlet of thermal substation by single tube heat supply network with it is next
The entrance connection of grade thermal substation, or connect with the water return outlet of next stage heat source, the outlet of next stage heat source passes through single tube heat supply network
It is connect again with the entrance of the thermal substation of more next stage；The outlet of the thermal substation of least significant end passes through single tube heat supply network and initial heat source
Water return outlet connects, and forms the circulation loop of single tube heat supply network；Single tube heat supply network is the branch network of pipes that equal calibers water supply line is circular layout；
Big temperature difference thermal substation is one or more, between big temperature difference thermal substation or big temperature difference thermal substation and one or more direct-furnish station it
Between it is in parallel after be serially connected in again on single tube heat supply network；
It is connected with bypass pipe between the entrance and exit of direct-furnish station or big temperature difference thermal substation, and is provided with valve on bypass pipe
Door；
Heat supply network main circulation pump and filter are also serially connected on single tube heat supply network, the outlet of the entrance and thermal substation of filter connects, mistake
The outlet of filter is connect with the entrance of heat supply network main circulation pump, and the outlet of heat supply network main circulation pump and the water return outlet of heat source connect；
Single tube heat supply network is also connect by valve with small pump and water supply tank；
Heat source is one or more in steam power plant, heating boiler, machine waste heat recovery；
The entrance pipe of thermal substation is equipped with independent loops water pump, and the entrance of independent loops water pump or outlet are connect with regulating valve；
Direct-furnish station is multiple, is serially connected in again on single tube heat supply network after multiple direct-furnish stations are in parallel；
It is wherein connected between the entrance and exit of energy source station across pipe and is provided with valve on crossing over pipe, entering for station
It is also connected between mouth and outlet across pipe and is provided with valve on crossing over pipe；
Heat source provides high-temperature-hot-water, hot after thermal substation exchanges heat with user side by single tube heat supply network by delivery to thermal substation
Water returns single tube heat supply network, is heated into next stage heat source, exchanges heat subsequently into next stage thermal substation and next stage user side
After return to single tube heat supply network, after multilevel heat source and thermal substation, final hot water by heat supply network main circulation pump enter initial heat
The water return outlet in source is admitted to initial heat source and heats again, completes cycle of the hot water in heat supply network；Each thermal substation can pass through
Independent loops water pump, regulating valve realize independent control across pipe and across the valve on pipe, and water supply tank is by small pump to single tube
Heat supply network provides moisturizing, and single tube heat network system water supply maximum temperature is 190 DEG C.
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| CN201410223488.4A CN104456685B (en) | 2014-05-26 | 2014-05-26 | A kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system |
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| CN104456685B true CN104456685B (en) | 2018-08-17 |
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| CN104791879B (en) * | 2015-04-02 | 2017-09-19 | 王明星 | A kind of long-range systemic circulation graded supply system |
| CN105444316B (en) * | 2016-01-18 | 2022-05-10 | 深圳市海吉源科技有限公司 | Ultra-large temperature difference single tube long-distance water cold accumulation and supply system |
| CN106765437A (en) * | 2016-12-27 | 2017-05-31 | 马宪文 | A kind of hot-water heating system |
| CN110056499A (en) * | 2019-04-30 | 2019-07-26 | 中国船舶重工集团公司第七一九研究所 | The marine PWR salt water cooling system of loop network |
| CN110174019B (en) * | 2019-05-29 | 2020-09-29 | 海南大学 | Heat exchange device capable of realizing multi-heat source waste heat recovery |
| CN112179192A (en) * | 2020-09-15 | 2021-01-05 | 山东新升实业发展有限责任公司 | Multi-heat-source waste heat recovery system for thermoelectric production |
| CN112944448A (en) * | 2021-04-15 | 2021-06-11 | 晟源高科(北京)科技有限公司 | Centralized arrangement type large temperature difference heat supply system of pressure isolation station |
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| AT405680B (en) * | 1994-11-08 | 1999-10-25 | Eri En Ressourcen I Forschungs | SYSTEM FOR SUPPLYING CONSUMERS WITH HEATING ENERGY AND DEVICE THEREFOR |
| CN101881478A (en) * | 2010-06-23 | 2010-11-10 | 王立君 | Single-tube outer net circulating water system |
| CN102943697B (en) * | 2012-08-15 | 2015-06-17 | 中能服(北京)节能投资有限公司 | Exhausted-steam and after-heat recovery device of wet-cold power plant and recovery method thereof |
| CN204254710U (en) * | 2014-05-26 | 2015-04-08 | 宋春节 | A kind of multi-heat source single tube UTILIZATION OF VESIDUAL HEAT IN heating system |
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