CN107388869A - A kind of system that stable hot water is provided using residual heat from boiler fume - Google Patents
A kind of system that stable hot water is provided using residual heat from boiler fume Download PDFInfo
- Publication number
- CN107388869A CN107388869A CN201710774061.7A CN201710774061A CN107388869A CN 107388869 A CN107388869 A CN 107388869A CN 201710774061 A CN201710774061 A CN 201710774061A CN 107388869 A CN107388869 A CN 107388869A
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- China
- Prior art keywords
- water
- heat
- buffering
- hot water
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 193
- 239000003517 fume Substances 0.000 title claims abstract description 20
- 230000003139 buffering effect Effects 0.000 claims abstract description 58
- 238000009825 accumulation Methods 0.000 claims abstract description 47
- 239000008236 heating water Substances 0.000 claims abstract description 40
- 230000007704 transition Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000872 buffer Substances 0.000 abstract description 9
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0024—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for combustion apparatus, e.g. for boilers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a kind of system that stable hot water is provided using residual heat from boiler fume,Including a main water pipeline,Multiple points of inlet channels,It is multiple to separate waterpipe,One primary flow pipe road,Multiple heat exchangers,Buffer heating water tank,Hot water storage tank,Buffer water return pipeline,Accumulation of heat water return pipeline,The entrance point of multiple points of inlet channels is connected with main water pipeline respectively,Entrance point of the port of export respectively with multiple heat exchangers is connected,The port of export of multiple entrance points for separating waterpipe respectively with multiple heat exchangers is connected,The port of export is connected with primary flow pipe road respectively,The port of export in primary flow pipe road is connected at the top of buffering heating water tank,Buffering water return pipeline is connected across between buffering heating water tank bottom and the entrance point of main water pipeline,Accumulation of heat water return pipeline is connected across between hot water storage tank bottom and the entrance point of main water pipeline,Transition conduit is provided between buffering heating water tank and hot water storage tank.Advantage of the present invention：Ensure the stabilization of follow-up supply hot water temperature.
Description
Technical field
The present invention relates to a kind of system that stable hot water is provided using residual heat from boiler fume.
Background technology
Existing boiler room is mounted with condensed flue gas waste-heat recovery device, and boiler running process fume afterheat is returned
Receive, the corresponding independent flue gas waste heat recovery apparatus of one boiler.Its waste heat recovery is used for air-conditioning heat exchange or production and living
With hot water, in terms of the actual conditions of production, the hot water of waste heat recovery can not often meet the demands of production and living, main performance
：
First, hot water amount caused by existing boiler afterheat recovering device mismatches with production and living to the demand of hot water.
The quantity and numbering of boiler actual motion are determined that when hot water demand's amount is larger, the heat of waste heat recovery can not expire by produce load
Foot needs；When hot water demand's amount is smaller, hot water can not be utilized caused by retracting device, or temperature is higher is discharged, more than flue gas
Heat utilization efficiency is relatively low.
2nd, the fume afterheat of boiler is to steam demand load variations, existing boiler afterheat recovering device by production
Hot water temperature's amplitude of variation of offer is larger, and water temperature is extremely unstable, even if also being difficult to ensure saliva by steam additional heat
Temperature is stable.
Cause the fume afterheat that boiler can not be effectively used during actual use in terms of two above, waste a large amount of steam and cigarette
The heat of gas.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of stabilization is provided using residual heat from boiler fume
The system of hot water, to ensure the stabilization of follow-up supply hot water temperature.
The present invention is achieved by the following technical solutions：
A kind of system that stable hot water is provided using residual heat from boiler fume, the system are applied to multiple boilers, the system
System include a main water pipeline, multiple points of inlet channels, it is multiple separate waterpipe, a primary flow pipe road, multiple heat exchangers,
Heating water tank, hot water storage tank, buffering water return pipeline, accumulation of heat water return pipeline are buffered, the multiple heat exchanger difference is one-to-one
It is installed on the chimney of multiple boilers, the entrance point of the multiple point of inlet channel is connected with main water pipeline respectively, multiple
Entrance point of the port of export of inlet channel respectively correspondingly with multiple heat exchangers is divided to be connected, it is the multiple to separate waterpipe
The port of export of the entrance point respectively correspondingly with multiple heat exchangers be connected, the multiple port of export for separating waterpipe point
It is not connected with primary flow pipe road, the buffering heating water tank is above hot water storage tank, the port of export in the primary flow pipe road
It is connected at the top of buffering heating water tank, the buffering water return pipeline is connected across buffering heating water tank bottom and main water pipeline enters
Between mouth end, the accumulation of heat water return pipeline is connected across between hot water storage tank bottom and the entrance point of main water pipeline, the buffering
It is connected between heating water tank and hot water storage tank by a transition conduit, is divided in the buffering heating water tank and in hot water storage tank
Temperature transmitter is not provided with, and the buffering heating water tank is interior and hot water storage tank side is respectively arranged with liquid level gauge, the buffering
Water circulating pump is respectively arranged with water return pipeline, accumulation of heat water return pipeline.
Further, on the main water pipeline close to the position of its entrance point, on the multiple point of inlet channel, institute
State and a valve group is respectively arranged with transition conduit.
Further, the valve group includes motor-driven valve and hand-operated valve in parallel.
Further, the buffering water return pipeline, be respectively arranged with pressure switch on accumulation of heat water return pipeline.
Further, it is provided with temperature transmitter on the accumulation of heat water return pipeline.
Further, the buffering water return pipeline, be respectively arranged with pressure transmitter on accumulation of heat water return pipeline.
Further, the buffering water return pipeline, set respectively at the position close to main water pipeline on accumulation of heat water return pipeline
It is equipped with check-valves.
The present invention has advantages below compared with prior art：
A kind of system that stable hot water is provided using residual heat from boiler fume provided by the invention, it will be originally each independent
Multiple heat exchangers corresponding to multiple boilers merge into a system, and the hot water after multiple boiler afterheats are reclaimed imports same master
Outlet conduit, and enter in buffering heating water tank, can be by the water in the buffering heating water tank again by buffering water return pipeline
The entrance point of main water pipeline is back to, then enters back into after multiple heat exchangers are exchanged heat and flows into again in buffering heating water tank,
Realize the water circulation heating in the buffering heating water tank so that pass through transition conduit again after the temperature stabilization of water in buffering heating water tank
Road enters the hot water storage tank of lower section, so that the hot water water temperature stability that hot water storage tank provides a user, is efficiently solved existing
The problem of hot water water temperature amplitude of variation is larger in technology, water temperature is extremely unstable, it is real so as to effectively use the fume afterheat of boiler
Existing utilizing for residual heat from boiler fume recovery heat maximizes, and reaches good effects of energy saving and emission reduction.In addition, accumulation of heat backwater can be passed through
Water in hot water storage tank is back to multiple heat exchangers and exchange heat and then be back to again in hot water storage tank by pipeline again, so as to real
The now water circulation heating in the hot water storage tank, it is by hot water storage tank that boiler smoke is unnecessary in user's request hot water amount's hour
Heat storage gets up, and is discharged at user's request hot water amount peak, so balances the Wave crest and wave trough of hot water demand's amount, solves
Contradiction between waste heat supply and demand imbalance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Label in figure：1 main water pipeline, 2 points of inlet channels, 3 separate waterpipe, 4 primary flow pipe roads, 5 heat exchangers, 6 slow
Rush heating water tank, 7 hot water storage tanks, 8 buffering water return pipelines, 9 first accumulation of heat water return pipelines, 10 second accumulation of heat water return pipelines, 11 mistakes
Cross pipeline, 12 first temperature transmitters, 13 liquid level gauges, 14 buffer cycles water pumps, 15 motor-driven valves, 16 hand-operated valves, 17 second temperatures
Transmitter, 18 check-valves, 19 pressure switches, 20 pressure transmitters, 21 plate type heat exchangers, 22 first accumulation of heat water circulating pumps, 23
Two accumulation of heat water circulating pumps.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Referring to Fig. 1, present embodiment discloses a kind of system that stable hot water is provided using residual heat from boiler fume, the system should
For multiple boilers, the system includes a main water pipeline 1, multiple points of inlet channels 2, multiple separates 3, masters of waterpipe
Outlet conduit 4, multiple heat exchangers 5, buffering heating water tank 6, hot water storage tank 7, buffering water return pipeline 8, accumulation of heat water return pipeline, it is multiple
Heat exchanger 5 is installed on the chimney of multiple boilers correspondingly respectively, and the entrance point of multiple points of inlet channels 2 enters with master respectively
Waterpipe 1 is connected, and the entrance point of the ports of export of multiple points of inlet channels 2 respectively correspondingly with multiple heat exchangers 5 is connected
Connect, the port of export of multiple entrance points for separating waterpipe 3 respectively correspondingly with multiple heat exchangers 5 is connected, multiple to separate
The port of export of waterpipe 3 is connected with primary flow pipe road 4 respectively, and buffering heating water tank 6 is located at the top of hot water storage tank 7, main water outlet
The port of export of pipeline 4 is connected to the top of buffering heating water tank 6, and buffering water return pipeline 8 is connected across the buffering bottom of heating water tank 6 and master
Between the entrance point of inlet channel 1, accumulation of heat water return pipeline be connected across the bottom of hot water storage tank 7 and main water pipeline 1 entrance point it
Between, buffer and be connected between heating water tank 6 and hot water storage tank 7 by a transition conduit 11, in buffering heating water tank 6 and accumulation of heat
The first temperature transmitter 12 is respectively arranged with water tank 7, buffering heating water tank 6 is interior and the side of hot water storage tank 7 is respectively arranged with liquid
Position counts 13, and water circulating pump is respectively arranged with buffering water return pipeline 8, accumulation of heat water return pipeline.
Wherein, close to the position of its entrance point, on multiple points of inlet channels 2, in transition conduit 11 on main water pipeline 1
It is respectively arranged with a valve group.Each valve group includes motor-driven valve 15 and hand-operated valve 16 in parallel.
Be provided with second temperature transmitter 17 on accumulation of heat water return pipeline, on buffering water return pipeline 8, accumulation of heat water return pipeline by
The position of nearly main water pipeline 1 is respectively arranged with check-valves 18.Pressure is provided with buffering water return pipeline 8, accumulation of heat water return pipeline
Power switch 19 or pressure transmitter 20.
Wherein, it is one to buffer the buffering water return pipeline 8 connected in heating water tank 6, the circulation on the buffering water return pipeline 8
Water pump is buffer cycles water pump 14.The accumulation of heat water return pipeline connected on hot water storage tank 7 can be arranged as required to one, two or more
It is individual, for example, shown in Fig. 1 for two, two accumulation of heat water return pipelines are respectively the first accumulation of heat water return pipeline 9, the second accumulation of heat backwater
Pipeline 10, the water circulating pump on the first accumulation of heat water return pipeline 9 are the first accumulation of heat water circulating pump 22, on the second accumulation of heat water return pipeline 10
Water circulating pump be the second accumulation of heat water circulating pump 23, domestic water can be used for by the first accumulation of heat water return pipeline 9；In the second accumulation of heat
Plate type heat exchanger 21 is set on water return pipeline 10, heated available for air-conditioner circulating water.By accumulation of heat water return pipeline by accumulation of heat water
Water in case 7 is back to multiple heat exchangers 5 and exchange heat and then be back to again in hot water storage tank 7 again, so as to realize the accumulation of heat
Water circulation heating in water tank 7, ensure that the temperature of the water in hot water storage tank 7 reaches the temperature of needs.
Motor-driven valve 15, pressure switch 19, pressure transmitter 20, temperature transmitter, liquid level gauge 13, circulation in whole system
The electrical parts such as water pump electrically connect with PLC control system and are controlled by PLC control system.
The course of work of the system is：
When the water level for buffering heating water tank 6 reaches low level, controlled by PLC control system electronic on main water pipeline 1
Valve 15 is opened and benefit running water is carried out to system, and cold water enters multiple points of inlet channels 2 by main water pipeline 1, subsequently into more
Individual heat exchanger 5 is exchanged heat with boiler smoke, and caused hot water enters buffering heating water tank 6 after heat exchange, when buffering heating water tank 6
Water level reach setting the upper limit when, control main water pipeline 1 on motor-driven valve 15.At the same time, if in buffering heating water tank 6
The temperature of water is not reaching to sets requirement, then the buffer cycles water pump 14 on control buffering water return pipeline 8 starts, and buffering is heated
Water in water tank 6 is back to main water pipeline 1 again again, and is changed through multiple points of inlet channels 2 into multiple heat exchangers 5
Flowed into again after heat in buffering heating water tank 6, realize the water circulation heating in the buffering heating water tank 6, so circulation is until buffering
The temperature of water in heating water tank 6 reaches setting value, and the buffer cycles water pump 14 that control is buffered on water return pipeline 8 is out of service.
Then, the motor-driven valve 15 in transition conduit 11 is opened, buffers and is stored up in the hot water storage tank 7 of the hot water entrance lower section in heating water tank 6
Deposit, used for domestic water.Domestic water can realize supply by the unlatching of the water circulating pump on corresponding accumulation of heat water return pipeline, its
Pressure transmitter 20 and second temperature transmitter 17 are provided with accumulation of heat water return pipeline, corresponding the can be adjusted according to pressure value
The running frequency of one accumulation of heat water circulating pump 22 or the second accumulation of heat water circulating pump 23, ensure that hot water supply is stable and saves, it is ensured that
Water temperature in accumulation of heat water return pipeline is constant.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of system that stable hot water is provided using residual heat from boiler fume, the system are applied to multiple boilers, its feature exists
In:The system includes a main water pipeline, multiple points of inlet channels, a multiple waterpipes, primary flow pipe road, more of separating
Individual heat exchanger, buffering heating water tank, hot water storage tank, buffering water return pipeline, accumulation of heat water return pipeline, the multiple heat exchanger difference one
It is installed on corresponding to one on the chimney of multiple boilers, the entrance point of the multiple point of inlet channel is connected with main water pipeline respectively
Connect, the entrance point of the ports of export of multiple points of inlet channels respectively correspondingly with multiple heat exchangers is connected, the multiple point
The port of export of the entrance point of outlet conduit respectively correspondingly with multiple heat exchangers be connected, the multiple waterpipe that separates
The port of export is connected with primary flow pipe road respectively, and the buffering heating water tank is above hot water storage tank, the primary flow pipe road
The port of export be connected at the top of buffering heating water tank, the buffering water return pipeline is connected across buffering heating water tank bottom and main water inlet
Between the entrance point of pipeline, the accumulation of heat water return pipeline is connected across between hot water storage tank bottom and the entrance point of main water pipeline,
It is described buffering heating water tank and hot water storage tank between be connected by a transition conduit, it is described buffering heating water tank in and accumulation of heat
Temperature transmitter is respectively arranged with water tank, the buffering heating water tank is interior and hot water storage tank side is respectively arranged with liquid level gauge,
Water circulating pump is respectively arranged with the buffering water return pipeline, accumulation of heat water return pipeline.
A kind of 2. system that stable hot water is provided using residual heat from boiler fume as claimed in claim 1, it is characterised in that：It is described
Set respectively close to the position of its entrance point, on the multiple point of inlet channel, in the transition conduit on main water pipeline
There is a valve group.
A kind of 3. system that stable hot water is provided using residual heat from boiler fume as claimed in claim 2, it is characterised in that：It is described
Valve group includes motor-driven valve and hand-operated valve in parallel.
A kind of 4. system that stable hot water is provided using residual heat from boiler fume as claimed in claim 1, it is characterised in that：It is described
Pressure switch is respectively arranged with buffering water return pipeline, accumulation of heat water return pipeline.
A kind of 5. system that stable hot water is provided using residual heat from boiler fume as claimed in claim 1, it is characterised in that：It is described
Temperature transmitter is provided with accumulation of heat water return pipeline.
A kind of 6. system that stable hot water is provided using residual heat from boiler fume as claimed in claim 1, it is characterised in that：It is described
Pressure transmitter is respectively arranged with buffering water return pipeline, accumulation of heat water return pipeline.
A kind of 7. system that stable hot water is provided using residual heat from boiler fume as claimed in claim 1, it is characterised in that：It is described
On buffering water return pipeline, accumulation of heat water return pipeline check-valves is respectively arranged with the position close to main water pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774061.7A CN107388869A (en) | 2017-08-31 | 2017-08-31 | A kind of system that stable hot water is provided using residual heat from boiler fume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774061.7A CN107388869A (en) | 2017-08-31 | 2017-08-31 | A kind of system that stable hot water is provided using residual heat from boiler fume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107388869A true CN107388869A (en) | 2017-11-24 |
Family
ID=60349107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710774061.7A Pending CN107388869A (en) | 2017-08-31 | 2017-08-31 | A kind of system that stable hot water is provided using residual heat from boiler fume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107388869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317577A (en) * | 2018-03-26 | 2018-07-24 | 常州绿资环保设备有限公司 | Remaining vapour, waste heat recovery reutilization system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471083A (en) * | 2013-10-10 | 2013-12-25 | 中兴能源（唐山）节能有限公司 | Boiler exhaust smoke waste heat utilization system and control method thereof |
| CN204421044U (en) * | 2015-01-26 | 2015-06-24 | 内蒙古京能盛乐热电有限公司 | Based on the flue gas waste heat utilization device of cold and heat combined supply |
| CN105928047A (en) * | 2016-05-11 | 2016-09-07 | 甘肃省科学院自然能源研究所 | Small trough type solar heat source heating system |
| KR101770524B1 (en) * | 2016-09-01 | 2017-08-23 | 김일경 | Heat Recovery System for Boiler |
| CN207081361U (en) * | 2017-08-31 | 2018-03-09 | 安徽中烟工业有限责任公司 | A kind of system that stable hot water is provided using residual heat from boiler fume |
-
2017
- 2017-08-31 CN CN201710774061.7A patent/CN107388869A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471083A (en) * | 2013-10-10 | 2013-12-25 | 中兴能源（唐山）节能有限公司 | Boiler exhaust smoke waste heat utilization system and control method thereof |
| CN204421044U (en) * | 2015-01-26 | 2015-06-24 | 内蒙古京能盛乐热电有限公司 | Based on the flue gas waste heat utilization device of cold and heat combined supply |
| CN105928047A (en) * | 2016-05-11 | 2016-09-07 | 甘肃省科学院自然能源研究所 | Small trough type solar heat source heating system |
| KR101770524B1 (en) * | 2016-09-01 | 2017-08-23 | 김일경 | Heat Recovery System for Boiler |
| CN207081361U (en) * | 2017-08-31 | 2018-03-09 | 安徽中烟工业有限责任公司 | A kind of system that stable hot water is provided using residual heat from boiler fume |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317577A (en) * | 2018-03-26 | 2018-07-24 | 常州绿资环保设备有限公司 | Remaining vapour, waste heat recovery reutilization system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20171124 |