CN109099715B - A kind of recuperative heater for removing heat storage based on flue gas - Google Patents
A kind of recuperative heater for removing heat storage based on flue gas Download PDFInfo
- Publication number
- CN109099715B CN109099715B CN201710474893.7A CN201710474893A CN109099715B CN 109099715 B CN109099715 B CN 109099715B CN 201710474893 A CN201710474893 A CN 201710474893A CN 109099715 B CN109099715 B CN 109099715B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- opening
- connection
- blowing
- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000003546 flue gases Substances 0.000 title claims abstract description 45
- 238000005338 heat storage Methods 0.000 title claims abstract description 32
- 239000003570 air Substances 0.000 claims abstract description 58
- 239000007789 gases Substances 0.000 claims abstract description 13
- 238000007664 blowing Methods 0.000 claims description 31
- 230000002441 reversible Effects 0.000 claims description 8
- 239000003034 coal gas Substances 0.000 abstract description 51
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000000505 pernicious Effects 0.000 abstract description 3
- 239000002699 waste materials Substances 0.000 abstract description 3
- 230000000875 corresponding Effects 0.000 description 9
- 238000002485 combustion reactions Methods 0.000 description 8
- 238000000034 methods Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 241001081830 Degeneriaceae Species 0.000 description 5
- 238000005516 engineering processes Methods 0.000 description 5
- 239000000446 fuels Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/007—Systems for reclaiming waste heat including regenerators
Abstract
Description
Technical field
The invention belongs to recuperative heater energy-conserving and emission-cutting technology fields, relate in particular to a kind of remove based on flue gas and store The recuperative heater of hot body.
Background technique
In steel and iron industry and building material industry production, there is a large amount of recuperative heater to carry heavy material heating and appoint Business.Recuperative heater realizes the high temperature preheating of high-temperature residual heat recycling and low-heat value gas, the technology using reversing combustion technology The biggest advantage is to realize the high efficiente callback of high-temperature residual heat (smoke temperature is up to 1200 DEG C or more) with lesser occupied area, together When realize low-heat value gas high-temperature preheating (preheating temperature is up to 900 DEG C -1000 DEG C), be with Store Heat Stove of Steel Rolling Example, the general burning blast furnace gas of Store Heat Stove of Steel Rolling (CO content 20%-30%) and coal gas of converter (CO content 60%- 80%), high-temperature flue gas waste heat recovery principle: tens pairs of heat storages are arranged symmetrically in heating furnace two sides, when fuel and air from When burner hearth side (being defined as the side A) sprays into, fuel and air are preheated to 900 DEG C or more by the side high-temperature thermal storage body, subsequently into Heating furnace hearth combustion, combustion product are discharged by the burner hearth other side (being defined as the side B) through heat storage after exchanging heat with steel billet, high temperature cigarette To heat storage heat release when gas passes through the side heat storage, heat storage is heated to high temperature (1000 DEG C of maximum temperature or more).Operation one After the section time (generally 90s or so), coal gas-flow of flue gas direction is changed by commutation Vavle switching, fuel and air by burner hearth B Side spray enters, and flue gas then changes by the side A outlet, and recuperative heater realizes the high temperature preheating of low calorie fuels in ceaselessly switching And the high efficiente callback of high-temperature flue gas waste heat.
But there is also technological deficiencies very serious out for the technology, in recuperative heater commutation process, burner one The heat storage of side is switched to flue gas discharge flue, and this conversion will lead to the side heat storage and reversal valve between heat storage in pipeline Remaining coal gas is emitted into atmosphere.Illustrate the defect of the technology by taking Store Heat Stove of Steel Rolling as an example:
1) switching will have a large amount of toxic coal gas to be emitted into atmosphere every time, cause pernicious gas very serious (CO tool Have very high toxicity) technical discharge.
2) switching every time, which will have a certain amount of coal gas not burn, is emitted into atmosphere, causes the skill of high-quality coal gas fuel Art waste.
By taking certain medium-sized heating furnace as an example, the volume of totally 80 pairs of heat storages, each pair of heat storage and associated conduit presses 0.3Nm3, often Secondary commutation will have 24Nm3Coal gas diffusion into air, will have 7603200Nm every year3Coal gas is discharged into atmosphere, by calorific value 1000Kcal/Nm3, 1086.4 tons of coal of mark is converted into, is calculated by CO content 25%, will there is 1900800Nm3Coal gas is discharged into atmosphere, and one The toxic gas of seat heating furnace commutation discharge is equivalent to the CO of everyone breathing 1 in 1 year of the medium-sized city of 2,000,000 populations, right Pollution caused by environment is startling.
Summary of the invention
Aiming at the problem that recuperative heater commutation process in the prior art discharges coal gas, the purpose of the present invention is to provide A kind of recuperative heater for removing heat storage based on flue gas.
The purpose of the present invention is what is be achieved by following technical proposals.
A kind of recuperative heater for removing heat storage based on flue gas, comprising: furnace body, the first four-way reversing valve, the two or four Logical reversal valve, the first three-way diverter valve and the second three-way diverter valve, are formed with the first opening and second in the side of the furnace body Opening, the other side of the furnace body are formed with third opening and the 4th opening, and first open communication has the first pipeline, described Second open communication has the second pipeline, and the third open communication has third pipeline, and the 4th open communication has the 4th pipeline, First four-way reversing valve is respectively communicated with first pipeline, third pipeline, the 5th pipeline and the 6th pipeline, so that described One pipeline and the 5th pipeline and a pipeline connection and the third pipeline and the 5th pipeline in the 6th pipeline and Another pipeline connection in 6th pipeline；Second four-way reversing valve is respectively communicated with second pipeline, the 4th pipeline, Seven pipelines and the 8th pipeline, so that second pipeline and the 7th pipeline and a pipeline connection and institute in the 8th pipeline State another pipeline connection in the 4th pipeline and the 7th pipeline and the 8th pipeline；First three-way diverter valve respectively with Incoming air conduit road, the first blowing pipeline and the 5th pipeline connection so that the 5th pipeline can with the incoming air conduit road and Any one pipeline connection in first blowing pipeline, wherein the incoming air conduit road is equipped with one first pressuring machine, described The another port of first blowing pipeline and the 6th pipeline connection, and one first wind is installed on first blower road Machine；Second three-way diverter valve is respectively and into gaspipe line, the second blowing pipeline and the 7th pipeline connection, so that the described 7th Pipeline can be connected to any one into gaspipe line and the second blowing pipeline, wherein described on gaspipe line One second pressuring machine, the another port of the second blowing pipeline and the 8th pipeline connection are installed, and described second Blower road is equipped with one second blower；
It is mounted on heat storage in first opening, the second opening, third opening and the 4th opening, so that by institute The gas for stating the first opening, the second opening, third opening and the 4th opening respectively can heat storage Jing Guo corresponding opening.
In the above-mentioned technical solutions, the 6th pipeline between the first blowing pipeline and first four-way reversing valve On one first air-introduced machine is installed.
In the above-mentioned technical solutions, the 8th pipeline between the second blowing pipeline and second four-way reversing valve On one second air-introduced machine is installed.
In the above-mentioned technical solutions, the port of the 6th pipeline and the 8th pipeline is fixed with a chimney respectively.
The application method of above-mentioned recuperative heater, comprising the following steps:
1) first three-way diverter valve and the second three-way diverter valve are adjusted, the 5th pipeline and the incoming air conduit are made Road connection, the 7th pipeline are connected to described into gaspipe line；
2) first four-way reversing valve is adjusted, first pipeline and the 5th pipeline connection, the 6th pipe are made Road and the third pipeline connection；Second four-way reversing valve is adjusted, second pipeline and the 7th pipeline connection are made, 4th pipeline and the 8th pipeline connection open the first pressuring machine and the second pressuring machine, lead to coal gas and air respectively Enter corresponding described into gaspipe line and incoming air conduit road；
3) switch flue gas (this flue gas is mixed with coal gas) flow direction: make coal gas and air stops being passed through respectively it is corresponding described in Into in gaspipe line and incoming air conduit road, close the first pressuring machine and the second pressuring machine, adjust first three-way diverter valve and Second three-way diverter valve, makes the 5th pipeline and the first blowing pipeline connection, and the 7th pipeline is blown with described second Air pipe line connection；The first blower and the second blower are opened, closes first blower and the second blower after being kept for N seconds；
4) first three-way diverter valve and the second three-way diverter valve are adjusted, the 5th pipeline and the incoming air conduit are made Road connection, the 7th pipeline are connected to described into gaspipe line；First four-way reversing valve is adjusted, first pipeline is made With the 6th pipeline connection, the 5th pipeline and the third pipeline connection；Second four-way reversing valve is adjusted, institute is made State the second pipeline and the 8th pipeline connection, the 4th pipeline and the 7th pipeline connection, open the first pressuring machine and Second pressuring machine each leads into coal gas and air corresponding described into gaspipe line and incoming air conduit road.
In the above-mentioned technical solutions, the N is less than or equal to 600 seconds.
Compared with the prior art, recuperative heater of the invention has the beneficial effect that
Among recuperative heater remaining coal gas diffusion to atmosphere caused by not commutating when switching flow of flue gas direction, solution The problem of technical discharge of existing recuperative heater pernicious gas of having determined, serious pollution environment and more serious fat coal The technical waste problem of gas.
Detailed description of the invention
Fig. 1 is recuperative heater working state schematic representation of the invention；
Status diagram when Fig. 2 is recuperative heater purging of the invention；
Fig. 3 is working state schematic representation after recuperative heater switching of the invention.
Wherein,
1: the second opening, 2: the first opening 3: furnace body 4: flame
5: the four openings 6: third 7: the second pressuring machines of opening
8: the second three-way diverter valves 9: 10: the second air-introduced machine of chimney
11: the second four-way reversing valve, 12: the first four-way reversing valve, 13: the first air-introduced machine
14: the first three-way diverter valve, 15: the first pipeline, 16: the first pressuring machine
17: the second blower, 18: the first blower, 19: the second pipeline
20: the five pipeline, 21: the six pipeline 22: third pipeline
23: the seven pipeline, 24: the four pipeline, 25: the eight pipeline
26: the blowing of incoming air conduit road 27: the first pipeline 28: into gaspipe line
29: the second blowing pipelines.
Specific embodiment
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "left", "right" The relationship of setting is to be based on the orientation or positional relationship shown in the drawings or orientation or position that when invention use usually puts Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the One ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
A method of utilizing commutation residual coal gas in heat storage in flue gas removing recuperative heater and corresponding pipeline, packet Include following steps:
1. being passed through coal gas and combustion-supporting air in the furnace body by the first port on furnace body, coal gas and air are in furnace body Interior burning forms flue gas, and flue gas is expelled to outside furnace body by the second port on furnace body；
2. stopping being passed through coal gas and air into furnace body, the flue gas that the second port is discharged at this time introduces furnace from the first port In vivo, it is kept for N seconds, N is less than or equal to 600 seconds；(in that time for stopping feeding coal gas and air, the flue gas of the second port is drawn Enter the first port, purging removing is carried out to the residual coal gas in heat storage and associated conduit).
Preferably, step 2. in, will flue gas pressurization introduce furnace body in.
3. coal gas and air are passed through into furnace body again: entering coal gas and air in furnace body by the second port, coal gas It burns in furnace body with air and forms flue gas, flue gas is expelled to outside furnace body by the first port on furnace body；
Wherein, the quantity of the first port is at least one, and the quantity of the second port is at least one, the first port and the second gas Heat storage is mounted on mouthful.
Step 3. after, repeat step 1.~3..
The above method can be realized by following recuperative heaters.As shown in Figures 1 to 3, comprising: furnace body 3, the first four-way change To valve 12, the second four-way reversing valve 11, the first three-way diverter valve 14 and the second three-way diverter valve 8, it is formed in the side of furnace body 3 First opening 2 and the second 1 (being equivalent to the first port in method) of opening, the other side of furnace body 3 are formed with third opening 6 and the Four 5 (being equivalent to the second port in method) of opening, 2 the first pipeline 15 of connection of the first opening, 1 the second pipeline of connection of the second opening 19, third opening 6 is communicated with third pipeline 22, and the 4th opening 5 is communicated with the 4th pipeline 24, and the first four-way reversing valve 12 connects respectively Be connected with the first pipeline 15, third pipeline 22, the 5th pipeline 20 and the 6th pipeline 21 so that the first pipeline 15 and the 5th pipeline 20 and A pipeline connection in 6th pipeline 21 and another root canal road in third pipeline 22 and the 5th pipeline 20 and the 6th pipeline 21 Connection；Second four-way reversing valve 11 has been respectively communicated with the second pipeline 19, the 4th pipeline 24, the 7th pipeline 23 and the 8th pipeline 25, So that the second pipeline 19 and a pipeline connection and the 4th pipeline 24 and the 7th pipeline in the 7th pipeline 23 and the 8th pipeline 25 23 and the 8th another pipeline connection in pipeline 25；First three-way diverter valve 14 is dried with incoming air conduit road 26, first respectively Pipeline 27 is connected to the 5th pipeline 20, so that the 5th pipeline 20 can be with appointing in incoming air conduit road 26 and the first blowing pipeline 27 It anticipates a pipeline connection, wherein one first pressuring machine 16, the other end of the first blowing pipeline 27 are installed on incoming air conduit road 26 Mouth is connected to the 6th pipeline 21, and is equipped with one first blower 18 on the first blowing pipeline 27；Second three-way diverter valve 8 difference Be connected into dry pipeline 29 and the 7th pipeline 23 of gaspipe line 28, second so that the 7th pipeline 23 can with into gaspipe line 28 are connected to any one in the second blowing pipeline 29, wherein one second pressuring machine 7 is installed on into gaspipe line 28, the The another port of two blowing pipelines 29 is connected to the 8th pipeline 25, and is equipped with one second blower on the second blowing pipeline 29 17；
It is mounted on heat storage in first the 2, second opening 1 of opening, third opening 6 and the 4th opening 5, so that by the The gas of one the 2, second opening 1 of opening, third opening 6 and the 4th opening 5 respectively can heat storage Jing Guo corresponding opening.
Preferably, one the is equipped on the 6th pipeline 21 between the first blowing pipeline 27 and the first four-way reversing valve 12 One air-introduced machine 13.
Preferably, one the is equipped on the 8th pipeline 25 between the second blowing pipeline 29 and the second four-way reversing valve 11 Two air-introduced machines 10.
Preferably, the port of the 6th pipeline 21 and the 8th pipeline 25 is separately installed with a chimney 9.
Such as the application method of above-mentioned recuperative heater, comprising the following steps:
1) the first three-way diverter valve 14 and the second three-way diverter valve 8 are adjusted, connects the 5th pipeline 20 with incoming air conduit road 26 Logical, the 7th pipeline 23 is connected into gaspipe line 28；
2) the first four-way reversing valve 12 is adjusted, is connected to the first pipeline 15 with the 5th pipeline 20, the 6th pipeline 21 and third Pipeline 22 is connected to；The second four-way reversing valve 11 is adjusted, is connected to the second pipeline 19 with the 7th pipeline 23, the 4th pipeline 24 and the 8th Pipeline 25 is connected to, and is opened the first pressuring machine 16 and the second pressuring machine 7, is each led into coal gas and air accordingly into gaspipe line 28 and incoming air conduit road 26；
3) switch flow of flue gas direction: stopping coal gas and air be passed through respectively accordingly into gaspipe line 28 and into air In pipeline 26, the first pressuring machine 16 and the second pressuring machine 7 are closed, adjusts the first three-way diverter valve 14 and the second three-way diverter valve 8, It is connected to the 5th pipeline 20 with the first blowing pipeline 27, the 7th pipeline 23 is connected to the second blowing pipeline 29；Open the first blower 18 and second blower 17, the first blower 18 and the second blower 17 are closed after being kept for N seconds；N is less than or equal to 600 seconds.
4) the first three-way diverter valve 14 and the second three-way diverter valve 8 are adjusted, connects the 5th pipeline 20 with incoming air conduit road 26 Logical, the 7th pipeline 23 is connected into gaspipe line 28；The first four-way reversing valve 12 is adjusted, the first pipeline 15 and the 6th pipeline 21 are made Connection, the 5th pipeline 20 are connected to third pipeline 22；The second four-way reversing valve 11 is adjusted, the second pipeline 19 and the 8th pipeline 25 are made Connection, the 4th pipeline 24 are connected to the 7th pipeline 23, open the first pressuring machine 16 and the second pressuring machine 7, make coal gas and air point It is not passed through accordingly into gaspipe line 28 and incoming air conduit road 26.
Repeat step 1)~4).
Technical solution of the present invention is further illustrated combined with specific embodiments below.
Such as attached drawing 1, a certain moment is combustion side, coal gas and combustion-supporting air on the left of recuperative heater from heating-furnace Thorax first is open (into coal gas) and second opening (into air) penetrating, and the heat storage positioned at the first opening and the second opening is to coal gas With air heat release, to preheat corresponding air and coal gas.The right side of recuperative heater is flue gas discharge side, i.e., more than high-temperature flue gas Recuperation of heat side, high-temperature flue gas to after (right side in figure) heat storage heat release, opens by third opening and fourth of the flue gas on the right side of furnace body Mouth is drawn.
The position of reversal valve at this time: the second three-way diverter valve 8 is in coal gas on-position, and the second four-way reversing valve 11 is in The second opening 1 can be made to connect the position of coal gas, i.e., be connected into gaspipe line 28 with the 7th pipeline 23, the 7th pipeline 23 and second Pipeline 19 is connected to；At this point, the 4th pipeline and the 8th pipeline connection, connect the second air-introduced machine 10 and the 4th opening 5.First threeway Reversal valve 14 is in the position connected with air, and the first four-way reversing valve 12 is in be connected with the first opening, i.e. incoming air conduit road With the 5th pipeline connection, the 5th pipeline 20 is connected to the first pipeline 15；At this point, the 6th pipeline 21 is connected to third pipeline 22, make First air-introduced machine 13 is connected with third opening.
Coal gas process: coal gas into after the second three-way diverter valve 8, continues to flow through the two or four after the pressurization of the second pressuring machine 7 Lead to reversal valve 11, then enters the second opening 1 and the heat storage Jing Guo second opening, coal gas and storage by the second pipeline 19 Hot body heat exchange heating sprays into burning in furnace body 3, generates flame 4.
Combustion air process: air, into the first three-way diverter valve 14, passes through first after the pressurization of the first pressuring machine 16 Then four-way reversing valve 12 enters the first opening 2 by the first pipeline 15, and exchanges heat and rise with the heat storage of first opening Temperature, subsequently into combustion-supporting in furnace body 3.
Flue gas flow: coal gas and combustion-supporting air burning form 4 flames, and the flue gas that flame 4 is formed is respectively from the 4th opening 5 It is open outflow and heat storage Jing Guo corresponding opening with third, by third pipeline and the 4th pipeline and passes through corresponding the respectively Two four-way reversing valves 11 and the first four-way reversing valve 12 flow into chimney 9, and the power of flow of flue gas is respectively from the second air-introduced machine 10 With the first air-introduced machine 13.
Such as attached drawing 2, after a period of work, combustion side commutates recuperative heater with flue gas discharge side, i.e., Switch flow of flue gas direction.When commutation starts, the second three-way diverter valve 8 and the first three-way diverter valve 14 switch to respectively simultaneously with 18 connected state of second blower 17 and the first blower, i.e. the 5th pipeline and the first blowing pipeline connection, the 7th pipeline are blown with second Air pipe line connection.At this point, flue gas is under 18 pressurization of the second blower 17 and the first blower respectively to the accumulation of heat at the second opening 1 The residual coal gas accumulated in body, the second four-way reversing valve 11 and its connecting line and the first four-way reversing valve 12, first opening 2 The residual air accumulated in the heat storage and its connecting line at place is purged, and is existed after purging into the coal gas of furnace body 3 and air Furnace body internal combustion burns down complete.
Such as attached drawing 3, when residual coal gas is all purged that moment for entering burner hearth, the second three-way diverter valve 8 is switched to Coal gas on-state, the first three-way diverter valve 14 switch to air on-state, i.e. the 5th pipeline is connected to incoming air conduit road, the Seven pipelines are connected into gaspipe line.Second four-way reversing valve 11 and the commutation of the first four-way reversing valve 12 be extremely: the first pipeline and the Six pipeline connections, the 5th pipeline and third pipeline connection；Second pipeline and the 8th pipeline connection, the 4th pipeline and the 7th pipeline connect It is logical.The state that recuperative heater switches to right side burning, left side flue gas is drawn, switching are completed.In general, purge time is not More than 3 seconds.After the completion of switching, coal gas and air are open to enter in furnace body and burn by third opening and the 4th, and flue gas is by first Opening and the second opening discharge.
The present invention carries out structure improvement to former exchange system, and improves to the control program of commutation process, utilizes band Pressure pulse flue gas exchange to when heat storage and associated conduit in residual coal gas carry out impulse blowing.
1) structure improvement is carried out to exchange system
It is new respectively before coal gas, air enter original reversal valve that the second three-way diverter valve and the first three-way diverter valve are set, Second three-way diverter valve realizes flue gas and the through-flow switching of coal gas, and the first three-way diverter valve realizes the through-flow switching of flue gas and air, A flue gas pulse blower is respectively set on exhaust gases passes simultaneously --- the first air-introduced machine and the second air-introduced machine.
2) control program of commutation process is improved
The improved elementary tactics of control program is: after commutation starts, being first turned off the confession of coal gas, air on the left of furnace body It answers, but keeps right side flue gas that state is discharged, flue gas purge system is then opened, using pulse blower by flue extracting high-temperature flue gas Heat storage and respective line residual coal gas to the first opening and the second opening purge, and after purging, close purging system System, furnace body right side switch to combustion state (coal gas, air on-state), switch to smoke evacuation state on the left of furnace body.Note: more than " left side " and " right side " can be opposite two sides, can also be not opposite two sides.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal Fall into protection scope of the present invention.
Claims (1)
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| CN201710474893.7A CN109099715B (en) | 2017-06-21 | 2017-06-21 | A kind of recuperative heater for removing heat storage based on flue gas |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002286204A (en) * | 2001-03-27 | 2002-10-03 | Tokyo Gas Co Ltd | Reduction combustion mechanism and reduction combustion method in regenerative burner system |
| CN104791777A (en) * | 2015-04-09 | 2015-07-22 | 上海嘉德环境能源科技有限公司 | Combustion method for reducing NOx by adopting self-circulation of flue gas |
| CN206192135U (en) * | 2016-08-23 | 2017-05-24 | 苏州云白环境设备股份有限公司 | Regenerative heating furnace controlling means that commutates |
| CN206803784U (en) * | 2017-06-21 | 2017-12-26 | 华北理工大学 | The recuperative heater of heat storage is removed based on flue gas |
-
2017
- 2017-06-21 CN CN201710474893.7A patent/CN109099715B/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002286204A (en) * | 2001-03-27 | 2002-10-03 | Tokyo Gas Co Ltd | Reduction combustion mechanism and reduction combustion method in regenerative burner system |
| CN104791777A (en) * | 2015-04-09 | 2015-07-22 | 上海嘉德环境能源科技有限公司 | Combustion method for reducing NOx by adopting self-circulation of flue gas |
| CN206192135U (en) * | 2016-08-23 | 2017-05-24 | 苏州云白环境设备股份有限公司 | Regenerative heating furnace controlling means that commutates |
| CN206803784U (en) * | 2017-06-21 | 2017-12-26 | 华北理工大学 | The recuperative heater of heat storage is removed based on flue gas |
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| CN109099715A (en) | 2018-12-28 |
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