CN206439849U - Energy-saving combustion gas processing unit - Google Patents
Energy-saving combustion gas processing unit Download PDFInfo
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- CN206439849U CN206439849U CN201720078674.2U CN201720078674U CN206439849U CN 206439849 U CN206439849 U CN 206439849U CN 201720078674 U CN201720078674 U CN 201720078674U CN 206439849 U CN206439849 U CN 206439849U
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- temperature
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- purifier
- combustion gas
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model provides a kind of energy-saving combustion gas processing unit, including waste heat boiler, smoke heat replacing device and purifier, and this energy-saving combustion gas processing unit, which has, saves the energy, environmental protection and the advantage for reducing operating cost.High-temperature flue gas is cooled using waste heat boiler, and produces saturated vapor to recycle, the energy is saved, and operating cost can be saved；Using smoke heat replacing device and purifier high-temperature flue gas is exchanged heat and purified treatment after, meet emission reduction index, can directly discharge, environmental protection.
Description
Technical field
The utility model is related to coke Additive Production unit flue gas recovery device, belongs to coking engineering projects technology, specifically relates to
And a kind of energy-saving combustion gas processing unit.
Background technology
Coke Additive Production unit is heated including coke reception, crushing, dry, screening, decontamination, cooled down, finishing screen
Divide, store and convey.Fume treatment is carried out after kiln hood flue gas secondary combustion after coke devolatilization and partial oxidation.
At present, coke Additive Production unit flue gas processing device there is no and mainly be used on successful case, document in the world
Direct water spray system, its general principle is, directly to second-time burning high-temperature flue gas spray cooling, heating is delivered to after flue gas cool-down
Device deduster, then chimney is drained into by blower fan.The device can cool down high-temperature flue gas, but can be produced in cooling procedure a large amount of
Waste water, waste vapour, not only operating process be difficult to control, cooling effect is unstable, and also surrounding environment can be polluted.
Therefore, the utility model proposes a kind of energy-saving combustion gas processing unit, invest low, operation is flexible, and energy consumption is low, section
Can environmental protection.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving combustion gas processing unit, invests low, operate flexibly, and energy consumption
It is low, energy-conserving and environment-protective.
In order to achieve the above object, the utility model provides a kind of energy-saving combustion gas processing unit, for handling high temperature
Flue gas is simultaneously discharged, including one is used to being reduced to the temperature of the high-temperature flue gas into the waste heat boiler of the first temperature, and one be used for will be described
The flue gas heat exchange of first temperature to the smoke heat replacing device of second temperature and one is used to carry out the flue gas of the second temperature
The purifier of the 3rd temperature is purified and is reduced to the temperature of the flue gas of the second temperature, wherein, the waste heat boiler
Output end is connected with the first input end of the smoke heat replacing device；First output end of the smoke heat replacing device with it is described net
Disguise the input connection put；The output end of the purifier is connected with the second input of the smoke heat replacing device, institute
State smoke heat replacing device and to second temperature and pass through the flue gas heat exchange of the flue gas of the 3rd temperature and first temperature
Its second output end is discharged.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the purifier includes the first purifier and second
Purifier, the output end of the smoke heat replacing device is connected with first purifier, first purifier it is defeated
Go out end to be connected with the input of second purifier, output end and the smoke heat replacing device of second purifier
The second input connection.
Preferably, in above-mentioned energy-saving combustion gas processing unit, first purifier includes smoke duster.
Preferably, in above-mentioned energy-saving combustion gas processing unit, second purifier includes desulfurizer.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the desulfurizer includes hollow-spraying-tower pattern desulfurizing tower.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the waste heat boiler includes：Boiler body and drum,
The output end of the boiler body is connected with the first input end of the smoke heat replacing device.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the waste heat boiler also includes a detection drum
The pressure gauge of operating pressure, the pressure gauge is located on the drum.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the waste heat boiler also includes at least one thermometer, institute
At least one thermometer is stated to be respectively positioned on the boiler body.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the waste heat boiler includes fire tube boiler, the fire tube
Formula boiler includes a soot blower for being used to handle the dust in the boiler body.
Preferably, in above-mentioned energy-saving combustion gas processing unit, the smoke heat replacing device is changed including fin row-tube type
Hot device and/or heat exchange of heat pipe.
In summary, the utility model proposes a kind of energy-saving combustion gas processing unit, using waste heat boiler to high temperature cigarette
Gas is cooled, and produces saturated vapor to recycle, and saves the energy, and can save operating cost；Changed using flue gas
Thermal and purifier are exchanged heat and purified treatment to high-temperature flue gas, comply with emission reduction index, can directly be discharged,
Environmental protection.
Brief description of the drawings
Fig. 1 is the energy-saving combustion gas processing unit structure chart in the preferred embodiment of the utility model one；
Fig. 2 is that the energy-saving combustion gas processing unit in the preferred embodiment of the utility model one connects with producing high-temperature flue gas device
Connect schematic diagram；
Fig. 3 is that the energy-saving combustion gas processing unit in the preferred embodiment of the utility model one applies to certain pitch coke additive
Production unit project fume treatment workshop section carries out the flow chart of fume treatment；
Fig. 4 is that the energy-saving combustion gas processing unit in the preferred embodiment of the utility model one applies to certain pitch coke additive
When production unit project fume treatment workshop section carries out fume treatment, the export and import temperature of waste heat boiler and smoke heat replacing device
Schematic diagram.
Wherein, 1- removes volatile matter heater；2- partial oxidation heaters；3- secondary burners；4- waste heat boilers；5- flue gases
Heat-exchanger rig；The purifiers of 6- first；The purifiers of 7- second.
Embodiment
Embodiment of the present utility model is described in more detail below in conjunction with schematic diagram.
The utility model proposes energy-saving combustion gas processing unit, for handling high-temperature flue gas and discharging, including:Waste heat pot
Stove 4, smoke heat replacing device 5 and purifier, wherein, purifier includes the first purifier 6 and the second purifier 7.
Specifically, as shown in figure 1, the output end of waste heat boiler 4 is connected with the first input end of smoke heat replacing device 5, flue gas heat exchange is filled
The first output end for putting 5 is connected with the input of the first purifier 6, and the output end of the first purifier 6 is filled with the second purification
The input for putting 7 is connected, and the output end of the second purifier 7 is connected with the second input of smoke heat replacing device 5.
Specifically, waste heat boiler 4 is used to the temperature of high-temperature flue gas being reduced to the first temperature, and saturated vapor is produced, will
The flue gas of first temperature is inputted to smoke heat replacing device 5 by the first input end of smoke heat replacing device 5；Smoke heat replacing device 5
For by after the flue gas heat exchange of the first temperature to second temperature, the flue gas of second temperature to be output into by its first output end
In one purifier 6；First purifier 6 is used to after purifying the flue gas of second temperature export to the by its output end
Two purifiers 7；Second purifier 7 is used to the temperature of the flue gas of the second temperature after purification being reduced to the 3rd temperature, so
The flue gas of the 3rd temperature is inputted to smoke heat replacing device 5 by the second input of smoke heat replacing device 5 afterwards；Flue gas heat exchange is filled
5 are put to be additionally operable to the flue gas of the 3rd temperature and the flue gas heat exchange of the first temperature to second temperature and by its second output end row
Go out.
Specifically, waste heat boiler 4 includes but is not limited to：Boiler body, drum, pressure gauge and at least one thermometer,
The utility model is not intended to be limited in any to structure, shape and size of waste heat boiler etc.；Pressure gauge is used to show waste heat pot
The saturated vapor pressure that stove 4 is produced；In the present embodiment, waste heat boiler 4 includes two thermometers, i.e. the first thermometer and the second temperature
Degree meter；First thermometer is used for the temperature for showing the flue gas of input waste heat boiler 4, and second temperature meter is used to show waste heat boiler 4
The temperature of the flue gas of output.The boiler body of waste heat boiler 4 also includes a soot blower, for removing boiler body and drum
Deng dust stratification, soot blower can be, but not limited to as mechanical soot blower and sonic soot blowing device, the utility model to this not
Impose any restrictions.
Specifically, in the present embodiment, smoke heat replacing device 5 can be, but not limited to as finned-tube tubular heat exchanger or heat pipe
Heat exchanger.
Specifically, in the present embodiment, the first purifier 6 includes but is not limited to be smoke duster, the utility model pair
This is not intended to be limited in any；Second purifier 7 includes but is not limited to be desulfurizer, and desulfurizer can be, but not limited to as void tower
Pattern desulfurizing tower is sprayed, the utility model is not intended to be limited in any to this.
Waste heat boiler 4 is cooled high-temperature flue gas, and produces recyclable saturated vapor, saves the energy, and operation
Cost is relatively low；Smoke heat replacing device 5 and smoke duster and desulfurizer, can be by particulate matter and sulfide in flue gas etc.
The standard that can directly discharge is reduced to, and temperature also complies with emission reduction index, environmental protection.
In the present embodiment, the first temperature is 200-300 DEG C, and second temperature is 100-120 DEG C, and the 3rd temperature is 70-80 DEG C.
The connection that above-mentioned energy-saving combustion gas processing unit applies to certain pitch coke Additive Production unit project fume treatment workshop section is shown
It is intended to as shown in Figure 2.Specifically, the flue gas for going volatile matter heater 1 to be produced with partial oxidation heater 2 enters secondary burner
In 3, the high-temperature flue gas that secondary burner 3 is produced enters in the waste heat boiler 4 of energy-saving combustion gas processing unit, in the present embodiment
Energy-saving combustion gas processing unit is started working, as shown in Figure 3 and Figure 4, and energy-saving combustion gas processing unit carries out the stream of fume treatment
Journey is as follows.
S1：Certain pitch coke Additive Production unit project fume treatment workshop section, secondary burner 3 produces 982 DEG C of high temperature
Flue gas enters waste heat boiler 4, and the temperature of high-temperature flue gas is down to 250 DEG C of the first temperature by the boiler body and drum of waste heat boiler 4,
And 1.6Mpa saturated vapor is generated, saturated vapor can be used for driving the equipment in existing steam pipe system；250 DEG C of flue gases pass through
The first input end of smoke heat replacing device 5 enters smoke heat replacing device 5.
S2：250 DEG C of flue gases and hollow-spraying-tower pattern the desulfurizing tower discharge that smoke heat replacing device 5 discharges waste heat boiler 4
75 DEG C of flue gases are exchanged heat.250 DEG C of flue gases of the first temperature that waste heat boiler 4 is discharged are reduced to second temperature 115 by heat-exchange temperature
DEG C enter smoke duster.
S3：115 DEG C of flue gases into smoke duster contain a large amount of particles and sulfide etc., in the present embodiment, particulate matter
Content is about 970mg/Nm3, and sulfide is about 4500mg/Nm3, and NOX is about 140mg/Nm3.Smoke duster is to 115 DEG C of flue gases
Dedusting is carried out, the particle content in 115 DEG C of flue gases is reduced to below 50mg/Nm3, and 115 DEG C of flue gas after dedusting is defeated
Enter into hollow-spraying-tower pattern desulfurizing tower.
S4：It is into the fume indication in hollow-spraying-tower pattern desulfurizing tower：Temperature -115 DEG C, particle content -50mg/
Nm3, sulfide content -4500mg/Nm3.This flue gas is inversely contacted with desulfurization absorbing liquid in desulfurizing tower, desulfurization is carried out, by taking off
The flue gas sulfide concentration of sulphur top of tower outflow is less than 500mg/Nm3, and temperature is about 75 DEG C of the 3rd temperature, in hollow-spraying-tower pattern
Smoke heat replacing device 5 is entered by the second input of smoke heat replacing device 5 under the suction of the smoke evacuation air-introduced machine of desulfurizing tower, with by
250 DEG C of flue gases that waste heat boiler 4 is inputted by first input end are exchanged heat, and 115 DEG C or so of second temperature are heated to, in cigarette
From the discharge of its second output end under the smoke evacuation air-introduced machine effect of gas heat-exchanger rig 5.
It above are only and the energy-saving combustion gas processing unit in the present embodiment is applied into certain pitch coke Additive Production unit
Project fume treatment workshop section, by the utility model proposes energy-saving combustion gas processing unit apply to sundry item fume treatment work
Duan Shi, flue-gas temperature, the first temperature, second temperature and the 3rd temperature into waste heat boiler 4 can be according to being embodied
Journey changes, but be still applied to the utility model proposes energy-saving combustion gas processing unit, therefore, belong to the utility model
Protection domain.
Relative to existing flue gas processing device, energy-saving combustion gas processing unit has energy-saving and emission-reduction in the present embodiment, green
Environmental protection and reduce the advantage of cost.First, the saturated vapor that waste heat boiler 4 is produced can be used for driving other equipment running,
Energy-conserving and environment-protective and reduce operating cost；Secondly, the temperature of the flue gas discharged by smoke heat replacing device 5, particle content with
And sulfide content meets emission reduction index, effect is notable.
In summary, the utility model proposes a kind of energy-saving combustion gas processing unit, using waste heat boiler to high temperature cigarette
Gas is cooled, and produces saturated vapor to recycle, and saves the energy, and can save operating cost；Changed using flue gas
Thermal and purifier are exchanged heat and purified treatment to high-temperature flue gas, comply with emission reduction index, can directly be discharged,
Environmental protection.
Preferred embodiment of the present utility model is above are only, any restriction effect is not played to the utility model.
Any person of ordinary skill in the field, in the range of the technical solution of the utility model is not departed from, to the utility model
The technical scheme and technology contents of exposure make the variation such as any type of equivalent substitution or modification, belong to without departing from the utility model
Technical scheme content, still fall within protection domain of the present utility model.
Claims (10)
1. a kind of energy-saving combustion gas processing unit, for handling high-temperature flue gas and discharging, it is characterised in that be used for including one by institute
The temperature for stating high-temperature flue gas is reduced to the waste heat boiler of the first temperature, and one is used for the flue gas heat exchange of first temperature to the second temperature
The smoke heat replacing device of degree and one it is used to purify the flue gas of the second temperature and by the flue gas of the second temperature
Temperature be reduced to the purifier of the 3rd temperature, wherein, the output end of the waste heat boiler and the smoke heat replacing device
First input end is connected；First output end of the smoke heat replacing device is connected with the input of the purifier；It is described net
Disguise the output end put to be connected with the second input of the smoke heat replacing device, the smoke heat replacing device is warm by the described 3rd
The flue gas of degree and the flue gas heat exchange of first temperature are discharged to second temperature and by its second output end.
2. energy-saving combustion gas processing unit as claimed in claim 1, it is characterised in that the purifier includes the first purification
Device and the second purifier, the output end of the smoke heat replacing device are connected with the input of first purifier, institute
The output end for stating the first purifier is connected with the input of second purifier, the output end of second purifier
It is connected with the second input of the smoke heat replacing device.
3. energy-saving combustion gas processing unit as claimed in claim 2, it is characterised in that first purifier includes flue gas
Deduster.
4. energy-saving combustion gas processing unit as claimed in claim 2, it is characterised in that second purifier includes desulfurization
Device.
5. energy-saving combustion gas processing unit as claimed in claim 4, it is characterised in that the desulfurizer includes hollow-spraying-tower
Pattern desulfurizing tower.
6. energy-saving combustion gas processing unit as claimed in claim 1, it is characterised in that the waste heat boiler includes：Boiler sheet
Body and drum, the output end of the boiler body are connected with the first input end of the smoke heat replacing device.
7. energy-saving combustion gas processing unit as claimed in claim 6, it is characterised in that the waste heat boiler also includes a detection
The pressure gauge of the operating pressure of the drum, the pressure gauge is located on the drum.
8. energy-saving combustion gas processing unit as claimed in claim 6, it is characterised in that the waste heat boiler also includes at least one
Individual thermometer, at least one described thermometer is respectively positioned on the boiler body.
9. energy-saving combustion gas processing unit as claimed in claim 6, it is characterised in that the waste heat boiler includes fire-tube type pot
Stove, the fire tube boiler includes a soot blower for being used to handle the dust in the boiler body.
10. energy-saving combustion gas processing unit as claimed in claim 1, it is characterised in that the smoke heat replacing device includes wing
Piece row-tube type heat exchanger and/or heat exchange of heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078674.2U CN206439849U (en) | 2017-01-20 | 2017-01-20 | Energy-saving combustion gas processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720078674.2U CN206439849U (en) | 2017-01-20 | 2017-01-20 | Energy-saving combustion gas processing unit |
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| Publication Number | Publication Date |
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| CN206439849U true CN206439849U (en) | 2017-08-25 |
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ID=59635486
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| CN201720078674.2U Active CN206439849U (en) | 2017-01-20 | 2017-01-20 | Energy-saving combustion gas processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844090A (en) * | 2018-06-26 | 2018-11-20 | 中国能源建设集团广东省电力设计研究院有限公司 | Energy-saving wet flue gas air inducing equipment and method |
-
2017
- 2017-01-20 CN CN201720078674.2U patent/CN206439849U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844090A (en) * | 2018-06-26 | 2018-11-20 | 中国能源建设集团广东省电力设计研究院有限公司 | Energy-saving wet flue gas air inducing equipment and method |
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