CN201074826Y - Flue gas/oil-fired boiler energy conservation equipment - Google Patents
Flue gas/oil-fired boiler energy conservation equipment Download PDFInfo
- Publication number
- CN201074826Y CN201074826Y CNU2007201248353U CN200720124835U CN201074826Y CN 201074826 Y CN201074826 Y CN 201074826Y CN U2007201248353 U CNU2007201248353 U CN U2007201248353U CN 200720124835 U CN200720124835 U CN 200720124835U CN 201074826 Y CN201074826 Y CN 201074826Y
- Authority
- CN
- China
- Prior art keywords
- boiler
- heat exchanger
- communicated
- pipeline
- attemperater
- 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.)
- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title description 6
- 239000003546 flue gas Substances 0.000 title description 6
- 238000004134 energy conservation Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000008400 supply water Substances 0.000 claims description 20
- 239000000567 combustion gas Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 7
- 230000003020 moisturizing effect Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to an energy saver of a gas-burning/oil-burning boiler, which comprises a heat exchanger (3) which is mounted on a gas flue (2) of a boiler (1). The utility model is characterized in that a connecting pipe which connects the heat exchanger (3) and the boiler (1) is added with an insulating water tank (4), wherein the water inlet of the insulating water tank (4) is communicated with the water outlet of the heat exchanger through a pipe, the water outlet of the insulating water tank (4) is communicated with the water inlet pipe of the boiler (1). The gas-burning/oil-burning boiler-used energy saver of the utility model has reasonable structure, convenient employment and maintenance and high heat exchange rate, which can reclaim waste heat of smoke and gas continuously. The whole system is in open-type operation with normal pressure, which is safe and reliable. Two water supply system of the boiler can be used in turn, and the operation of the boiler can not be stopped operating since the energy saver is failure.
Description
Technical field
The utility model relates to a kind of energy-saving device of boiler, is specifically related to a kind of energy saver that is used for the flue of combustion gas/oil burning boiler or other combustion apparatus.
Background technology
At present, the energy saver that is used for the flue of combustion gas/oil burning boiler or other combustion apparatus mainly reaches the supply-water pump, water inlet pipe and the outlet pipe that are connected through pipeline with it by heat exchanger and forms, wherein supply-water pump is connected with the former softened water tank pipeline of boiler, outlet pipe is connected with boiler, and heat exchanger is located on the flue of boiler, heat exchanger comprises the heat-exchange tube in housing and the housing, and the housing two-port is respectively equipped with joint, adopts reducing to add flange and directly is connected with the smokejack of gas fired-boiler; Actual being connected to substantially of using of this class energy saver: the unidirectional connection of softened water tank → supply-water pump → heat exchanger → boiler replenishing water pump → boiler, this syndeton has the following disadvantages:
1, because the medium small boiler water supplementing method mostly is greatly to being interrupted moisturizing, with the energy-saving appliance that boiler water inlet pipe directly links to each other, the waste heat that it reclaims also can only reclaim in intermitten service, so the waste heat of the whole flue of boiler can not reclaim fully.
2, when not moisturizing of boiler, water in the heat exchanger is in not flow regime, but still carrying out heat exchange with flue gas, the temperature of water constantly raises and produces vaporization in its heat-exchange tube, in case boiler replenishing water can make heat-exchange tube reduce heat exchange efficiency because of the big generation cavitation erosion of the water temperature temperature difference, and the water temperature that has just entered boiler is than higher, but can reduce rapidly, the front and back water inlet temperature difference is big.
3, the cycle heat exchange system of this structure often is in the pressurized running status of sealing, has certain potential safety hazard; If certain part of energy saver breaks down, then can cause the boiler can not moisturizing and out of service.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, and can reclaim the energy saver that is used for combustion gas/oil burning boiler of flue residue heat continuously.
The utility model is achieved in that the heat exchanger that comprises on the flue that is installed in boiler, it is characterized in that: set up attemperater on the connecting pipe of described heat exchanger and boiler; The water inlet of wherein said attemperater is communicated with through pipeline with the delivery port of described heat exchanger, the delivery port of described attemperater is communicated with boiler water pipe, the hot water that forms an opening is produced system, make the interior water of heat exchanger continue to flow, continuous and high-temperature flue gas carries out heat exchange, minimum flue-gas temperature can being reduced to below the dew point can fully be reclaimed sensible heat and latent heat in the fume afterheat.
Above-mentioned attemperater is the closed box with insulation interlayer, and its water inlet and delivery port are separately positioned on the upper and lower of casing, and delivery port is communicated with through pipeline with the water inlet end of described boiler replenishing water pump; In casing, be provided with fluid level controller, be provided with blast pipe at box top, be lower than setting value in case its role is to the water level of attemperater, supply-water pump starts immediately, can guarantee that to the attemperater moisturizing attemperater is in high water level always, avoid occurring boiler because of the lack of water blowing out.This fluid level controller is conventional electrical equipment, and the electrical equipment of the supply-water pump starting or stopping control circuit of its connection and circuit thereof are conventional electrical equipment and circuit.
Heat-exchange tube in the above-mentioned heat exchanger be common exchange pipe or/and node exchange pipe or/and nail thorn exchange pipe or/and burr exchange pipe or/and the integral pin ribbed pipe, its syndeton is a conventional structure; Can be on the outlet conduit of the supply-water pump of the both ends of described heat exchanger, heat exchanger, be provided with temperature sensor on the inlet channel of described small pump, so that in time understand the temperature of region of interest, and can utilize the temperature sensor that is arranged on the heat exchanger bending tubes end to control the start and stop of supply-water pump, the heat exchanging device supplies, cuts off the water, when the temperature of bending tubes end is higher than predetermined high temperature or is lower than predetermined low temperature level, supply-water pump opens accordingly or stops, and the electrical equipment of this control circuit and circuit thereof are conventional electrical equipment and circuit.
Above-mentioned attemperater delivery port pipeline also is communicated with the softened water tank of boiler, and boiler has been formed two cover water supply systems, can switch use at any time by controlled valve; Can on the pipeline that described heat exchanger, described attemperater, described supply-water pump, described softened water tank, described boiler replenishing water pump are communicated with each other, valve be set respectively, be convenient to supply, feed water and switch and maintenance.
Also can set up water inlet and delivery port more respectively in the upper and lower of the casing of above-mentioned attemperater; The water inlet of setting up is communicated with through pipeline with described supply-water pump; The delivery port of setting up is communicated with through pipeline with the water inlet of described heat exchanger, and on this pipeline, circulating pump is set, a water inlet of described attemperater, delivery port are connected with delivery port, the water inlet of described heat exchanger respectively, form an independently open hot water and produce system, make the interior water of heat exchanger continue to flow, continuous and high-temperature flue gas carries out heat exchange, can fully reclaim sensible heat and latent heat in the fume afterheat; The temperature sensor that is arranged on the bending tubes end of heat exchanger is then controlled opening, stopping of circulating pump, the heat exchanging device supplies, cuts off the water, when the temperature of bending tubes end is higher than predetermined high temperature or is lower than predetermined low temperature level, circulating pump opens accordingly or stops, and the electrical equipment of this control circuit and circuit thereof are conventional electrical equipment and circuit; And on the pipeline of described circulating pump two ends connection, valve is set respectively.
Above-mentioned attemperater also can utilize the deaeration pump of former boiler, and the setting of its water inlet and delivery port and pipeline are connected and should do to adjust accordingly to get final product by being provided with of above-mentioned attemperater.
In sum, the energy-saving appliance that is used for combustion gas/oil burning boiler of the present utility model is rational in infrastructure, uses, easy to maintenance, and its beneficial effect is:
1, reclaims fume afterheat continuously, the heat exchanger effectiveness height.
2, whole system is the operation of open type normal pressure, and is safe and reliable.
3, owing to take the mode of bypass to install pipeline and valve additional, former soft water water supply system and energy-saving appliance hot-water heating system become two cover water systems of boiler, can use by turns, can not cause boiler out of service because of the energy-saving appliance fault.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the syndeton schematic diagram of the utility model embodiment 1;
Fig. 2 is the syndeton schematic diagram of the utility model embodiment 2.
The specific embodiment
Embodiment 1: referring to Fig. 1, a kind of combustion gas/oil burning boiler energy-saving appliance comprises the heat exchanger 3 on the flue 2 that is installed in boiler 1, it is characterized in that: set up attemperater 4 on the connecting pipe of described heat exchanger 3 and boiler 1; The water inlet of wherein said attemperater 4 is communicated with through pipeline with the delivery port of described heat exchanger 3, and the delivery port of described attemperater 4 is communicated with boiler 1 inlet channel.
Described attemperater 4 is for having the closed box of insulation interlayer, and its water inlet and delivery port are separately positioned on the upper and lower of casing, and delivery port is communicated with through pipeline with the water inlet end of described boiler 1 small pump 7; In casing, be provided with fluid level controller 4-1, be provided with blast pipe 4-2 at box top.This fluid level controller 4-1 is conventional electrical equipment, and the control circuit that opens, stops of the supply-water pump 5 of its connection is conventional circuit.
Heat-exchange tube in the described heat exchanger 3 is the integral pin ribbed pipe; On the outlet conduit of the supply-water pump 5 of the both ends of described heat exchanger 3, heat exchanger 3, be provided with temperature sensor 10 on the inlet channel of described small pump 7.
Described attemperater 4 delivery port pipelines also are communicated with the softened water tank 6 of boiler 1; On the pipeline that described heat exchanger 3, described attemperater 4, described supply-water pump 5, described softened water tank 6, described small pump 7 are communicated with each other, valve 9 is set respectively.
In the present embodiment: described heat exchanger 3 is installed on the horizontal by-pass flue 2-1 that flue collector 2 boiler 1 and vertical links to each other, its smoke end links to each other with the bending tubes end of air-introduced machine 2-2, the smoke end of air-introduced machine 2-2 is connected with vertical by-pass flue 2-3, air-introduced machine 2-2 extraction flue gas enters heat exchanger 3 and carries out heat exchange, the resistance of balance heat exchanger 3, the flue collector 2 that keeps boiler 1, do not change the smoke evacuation resistance of boiler 1, if air-introduced machine 2-2 breaks down, can freely not influence the normal combustion of boiler 1 because of smoke evacuation.
Described boiler replenishing water pump 7 is communicated with boiler 1 through pipeline, and valve 9 is set on this pipeline.The temperature sensor 10 that is arranged on the bending tubes end of heat exchanger 3 is controlled opening, stopping of supply-water pumps 5, and the electrical equipment of this control circuit and circuit thereof are conventional electrical equipment and circuit.
Embodiment 2: referring to Fig. 2, and a kind of combustion gas/oil burning boiler energy-saving appliance, in the present embodiment, except that following structure and embodiment 1 were different, other structure was identical with embodiment 1:
1, sets up water inlet and delivery port more respectively in the upper and lower of the casing of described attemperater 4; The water inlet of setting up and described supply-water pump 5 are communicated with through pipeline; The delivery port of setting up is communicated with through pipeline with the water inlet of described heat exchanger 3, and on this pipeline circulating pump 8 is set; On the pipeline of described circulating pump 8 two ends connection, valve 9 is set respectively.
2, be arranged on the start and stop of temperature sensor 10 control circulating pumps 8 of the bending tubes end of heat exchanger 3, the electrical equipment of this control circuit and circuit thereof are conventional electrical equipment and circuit.
3, described heat exchanger 3 is installed on the vertical flue collector 2 of boiler 1.
Claims (8)
1. combustion gas/oil burning boiler energy-saving appliance comprises the heat exchanger (3) on the flue (2) that is installed in boiler (1), it is characterized in that: set up attemperater (4) on the connecting pipe of described heat exchanger (3) and boiler (1); The water inlet of wherein said attemperater (4) is communicated with through pipeline with the delivery port of described heat exchanger (3), and the delivery port of described attemperater (4) is communicated with boiler (1) inlet channel.
2. combustion gas as claimed in claim 1/oil burning boiler energy-saving appliance, it is characterized in that: described attemperater (4) is for having the closed box of insulation interlayer, its water inlet and delivery port are separately positioned on the upper and lower of casing, and delivery port is communicated with through pipeline with the water inlet end of the small pump (7) of described boiler (1); In casing, be provided with fluid level controller (4-1), be provided with blast pipe (4-2) at box top.
3. combustion gas as claimed in claim 2/oil burning boiler energy-saving appliance is characterized in that: the heat-exchange tube in the described heat exchanger (3) is that nail stings the exchange pipe or/and burr exchanges pipe or/and the integral pin ribbed pipe to common exchange pipe or/and the node exchange is managed; On the outlet conduit of the supply-water pump (5) of the both ends of described heat exchanger (3), described heat exchanger (3), be provided with temperature sensor (10) on the inlet channel of described small pump (7).
4. as claim 2 or 3 described combustion gas/oil burning boiler energy-saving appliances, it is characterized in that: described attemperater (4) delivery port pipeline also is communicated with the softened water tank (6) of boiler (1); On the pipeline that described heat exchanger (3), described attemperater (4), described supply-water pump (5), described softened water tank (6), described small pump (7) are communicated with each other, valve (9) is set respectively.
5. combustion gas as claimed in claim 1 or 2/oil burning boiler energy-saving appliance is characterized in that: the upper and lower at the casing of described attemperater (4) is set up water inlet and delivery port more respectively; The water inlet of setting up is communicated with through pipeline with the supply-water pump (5) of described heat exchanger (3); The delivery port of setting up is communicated with through pipeline with the water inlet of described heat exchanger (3), and circulating pump (8) is set on this pipeline.
6. combustion gas as claimed in claim 5/oil burning boiler energy-saving appliance is characterized in that: the heat-exchange tube in the described heat exchanger (3) is that nail stings the exchange pipe or/and burr exchanges pipe or/and the integral pin ribbed pipe to common exchange pipe or/and the node exchange is managed; On the outlet conduit of the both ends of described heat exchanger (3), described supply-water pump (5), be provided with temperature sensor (10) on the inlet channel of described small pump (7).
7. combustion gas as claimed in claim 6/oil burning boiler energy-saving appliance is characterized in that: described attemperater (4) delivery port pipeline also is communicated with the softened water tank (6) of boiler (1); On the pipeline that described heat exchanger (3), described circulating pump (8), described attemperater (4), described supply-water pump (5), the described boiler replenishing water pump of described softened water tank (6) (7) are communicated with each other, valve (9) is set respectively.
8. combustion gas as claimed in claim 1/oil burning boiler energy-saving appliance is characterized in that: described attemperater (4) is the deaeration pump of former boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201248353U CN201074826Y (en) | 2007-07-27 | 2007-07-27 | Flue gas/oil-fired boiler energy conservation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201248353U CN201074826Y (en) | 2007-07-27 | 2007-07-27 | Flue gas/oil-fired boiler energy conservation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074826Y true CN201074826Y (en) | 2008-06-18 |
Family
ID=39520087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201248353U Expired - Fee Related CN201074826Y (en) | 2007-07-27 | 2007-07-27 | Flue gas/oil-fired boiler energy conservation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074826Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769594B (en) * | 2008-12-29 | 2012-07-04 | 苏桐梅 | Flue gas total-heat recovery device of gas boiler |
| CN102777886A (en) * | 2012-08-13 | 2012-11-14 | 中国中元国际工程公司 | Flue gas waste heat recovery device and method for gas-fired boiler |
| CN102853421A (en) * | 2012-09-21 | 2013-01-02 | 罗泽云 | Energy economizer control system and method |
| CN106642694A (en) * | 2015-07-14 | 2017-05-10 | 北京华通兴远供热节能技术有限公司 | Flue gas preheating type domestic hot water device |
| CN108980880A (en) * | 2017-06-02 | 2018-12-11 | 寰慧科技集团有限公司 | A kind of boiler circular water treating system |
| CN109028562A (en) * | 2018-07-03 | 2018-12-18 | 朱国琴 | A kind of oil burning boiler with flame detecting function |
| CN109099731A (en) * | 2018-08-03 | 2018-12-28 | 重庆澳来思节能科技有限公司 | Off-gas recovery condenser system |
| CN110186029A (en) * | 2019-04-18 | 2019-08-30 | 福建省新元能源发展有限公司 | A kind of energy-saving and environment-friendly gas fired-boiler |
| CN113587079A (en) * | 2021-07-22 | 2021-11-02 | 浙江中烟工业有限责任公司 | Industrial boiler water circulation method and device |
-
2007
- 2007-07-27 CN CNU2007201248353U patent/CN201074826Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769594B (en) * | 2008-12-29 | 2012-07-04 | 苏桐梅 | Flue gas total-heat recovery device of gas boiler |
| CN102777886A (en) * | 2012-08-13 | 2012-11-14 | 中国中元国际工程公司 | Flue gas waste heat recovery device and method for gas-fired boiler |
| CN102777886B (en) * | 2012-08-13 | 2014-07-16 | 中国中元国际工程公司 | Flue gas waste heat recovery device and method for gas-fired boiler |
| CN102853421A (en) * | 2012-09-21 | 2013-01-02 | 罗泽云 | Energy economizer control system and method |
| CN106642694A (en) * | 2015-07-14 | 2017-05-10 | 北京华通兴远供热节能技术有限公司 | Flue gas preheating type domestic hot water device |
| CN108980880A (en) * | 2017-06-02 | 2018-12-11 | 寰慧科技集团有限公司 | A kind of boiler circular water treating system |
| CN109028562A (en) * | 2018-07-03 | 2018-12-18 | 朱国琴 | A kind of oil burning boiler with flame detecting function |
| CN109028562B (en) * | 2018-07-03 | 2021-06-11 | 朱国琴 | Take flame to survey oil fired boiler of function |
| CN109099731A (en) * | 2018-08-03 | 2018-12-28 | 重庆澳来思节能科技有限公司 | Off-gas recovery condenser system |
| CN110186029A (en) * | 2019-04-18 | 2019-08-30 | 福建省新元能源发展有限公司 | A kind of energy-saving and environment-friendly gas fired-boiler |
| CN110186029B (en) * | 2019-04-18 | 2024-03-19 | 福建省新元能源发展有限公司 | Energy-saving environment-friendly gas boiler |
| CN113587079A (en) * | 2021-07-22 | 2021-11-02 | 浙江中烟工业有限责任公司 | Industrial boiler water circulation method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chengdu Xin Hong Technology Co. Ltd. Assignor: He Jun Contract record no.: 2011510000086 Denomination of utility model: Flue gas/oil-fired boiler energy conservation equipment Granted publication date: 20080618 License type: Exclusive License Record date: 20110617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20140727 |
|
| EXPY | Termination of patent right or utility model |