CN202485010U - Catalytic combustion equipment for organic exhaust gas - Google Patents
Catalytic combustion equipment for organic exhaust gas Download PDFInfo
- Publication number
- CN202485010U CN202485010U CN2012200673099U CN201220067309U CN202485010U CN 202485010 U CN202485010 U CN 202485010U CN 2012200673099 U CN2012200673099 U CN 2012200673099U CN 201220067309 U CN201220067309 U CN 201220067309U CN 202485010 U CN202485010 U CN 202485010U
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- Prior art keywords
- heat exchanger
- catalytic combustion
- combustion equipment
- heat exchange
- heater
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Abstract
The utility model discloses catalytic combustion equipment for organic exhaust gas. The catalytic combustion equipment comprises a catalytic combustor, a heater, a heat exchanger, a blower and a circulation connecting pipeline, wherein an exhaust gas inlet is connected with the heater via an output pipeline after passing through the heat exchanger, the heater is connected with the catalytic combustor, and a reaction output pipeline is connected with the blower via the heat exchanger. The catalytic combustion equipment is characterized by further comprising a secondary heat exchanger which is parallelly connected onto a gas outlet pipeline between the heat exchanger and the blower, a cold source end of the secondary heat exchanger is connected with external natural air, and a hot source end of the secondary heat exchanger is connected with a heat reclaim unit. By aid of adding the secondary heat exchanger to the catalytic combustion equipment for organic exhaust gas, waste heat is fully utilized, and cost is saved.
Description
Technical field
The utility model relates to a kind of off-gas cleaning equipment, is specifically related to a kind of organic waste gas catalytic combustion equipment.
Background technology
Physics and chemical method are generally adopted in the improvement of organic exhaust gas, and concrete improvement technology has Production by Catalytic Combustion Process, active carbon adsorption, condensation method, absorption process and plasma oxidation method etc., has solved the pollution of organic exhaust gas to environment.
Production by Catalytic Combustion Process is particularly suitable for organic concentration higher (like total hydrocarbon concentration greatly more than 3000 μ L/L), component is complicated and do not have the purified treatment of the organic exhaust gas of recovery value.Catalyticing combustion process is owing to use catalyst, and therefore reaction can be carried out under the temperature more much lower than ordinary combustion, and generally when reactor inlet temperature was 200 ℃～300 ℃, can make most of oxidation operation was CO
2And H
2O is so Production by Catalytic Combustion Process has obtained extensive use.
In the prior art; The employed equipment of Production by Catalytic Combustion Process generally includes catalytic combustion reactor, heater, heat exchanger and connecting line; Waste gas gets into catalytic combustion reactor through heat exchanger, heater; Reaction back gas carries out heat exchange through heat exchanger and untreated exhaust gas, and the power of gas flow comes from booster fan, and the gas of the output behind heat exchanger discharges through blower fan.Yet though after the heat exchange of heat exchanger of the gas of final discharging process, temperature descends to some extent, temperature is still greater than 100 ℃, and directly discharging has certain hazards, also is a kind of waste to heat energy simultaneously.
Summary of the invention
The utility model purpose provides a kind of organic waste gas catalytic combustion equipment, and through the improvement to structure, heat energy obtains abundant regeneration, reduces production costs, and effectively improves safety coefficient simultaneously.
For achieving the above object; The technical scheme that the utility model adopts is: a kind of organic waste gas catalytic combustion equipment, comprise catalytic burner, heater, heat exchanger, blower fan and circulation connecting line, and exhaust gas entrance output pipe behind said heat exchanger is connected with said heater; Heater is connected with said catalytic burner; Its reaction delivery outlet pipeline is connected with said blower fan behind said heat exchanger, and it is characterized in that: also comprise a secondary heat exchange device, said secondary heat exchange device is arranged on the connecting line between said heat exchanger and the said blower fan; The low-temperature receiver end of said secondary heat exchange device is connected with extraneous natural air, and heat source side is connected with heat reclaim unit.
In the technique scheme, said heat reclaim unit is a steam generator.
In the technique scheme, the intake line of the low-temperature receiver end of said secondary heat exchange device is provided with the cold air control valve, and the control end of this cold air control valve is connected with the PLC controller.
In the technique scheme, the high temperature air inlet end intake line of said secondary heat exchange device is provided with intake valve, and said outlet pipe is provided with breather valve, and the control end of said intake valve and breather valve is connected with the PLC controller.
The utility model operation principle: after waste gas got into by the road, earlier through heat exchanger, the output back was by the heater heating, after reaching catalytic temperature; Send into the catalytic burner reaction, reacted high-temperature gas output is through heat exchanger, for untreated exhaust gas is carried out heat exchange, from the high-temperature gas entering secondary heat exchange device of heat exchanger output; The PLC controller drives cold air control valve and the INO on the low-temperature receiver end intake line, and the breather valve on the outlet pipe is closed, and the secondary heat exchange device is inserted; Cold air gets in the secondary heat exchange device, and with the high-temperature gas heat exchange, cold air is heated; By heat source side output, get into heat reclaim unit, can be used for taking place steam or produce hot water; And by the reacting gas after the secondary heat exchange, temperature is lowered, and is discharged by blower fan.
Because technique scheme utilization, the advantage that the utility model compared with prior art has is: the utility model inserts secondary heat exchanger again after through a heat exchanger, reacted high-temperature gas in secondary heat exchanger with the natural air heat exchange; Improve the temperature of natural air, the input heat reclaim unit uses, and the reacting gas that is cooled then is discharged out through blower fan; Heat energy is fully utilized on the one hand, and hot-air can use by supply equipment, also can heat cold water; The confession productive life is used, and on the other hand, the gas of reaction output is by cooling once more; The potential safety hazard that reduces to discharge improves production security.
Description of drawings
Fig. 1 is the pipeline jointing construction schematic block diagram of the utility model embodiment one.
Wherein: 1, catalytic burner; 2, heater; 3, heat exchanger; 4, blower fan; 5, fire-retardant filter; 6, secondary heat exchange device; 7, outlet pipe; 8, intake valve; 9, breather valve; 10, cold air control valve; 11, heat reclaim unit.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment one: referring to shown in Figure 1, a kind of organic waste gas catalytic combustion equipment comprises catalytic burner 1, heater 2, heat exchanger 3, secondary heat exchange device 6, blower fan 4 and circulation connecting line; Exhaust gas entrance output pipe behind said heat exchanger 3 is connected with said heater 2; Heater 2 is connected with said catalytic burner 1, and its reaction delivery outlet pipeline is connected with said blower fan 4 behind said heat exchanger 3, and said secondary heat exchange device 6 is connected on the outlet pipe 7 between said heat exchanger 3 and the said blower fan 4; The intake line at the high temperature air inlet end place of said secondary heat exchange device 6 is provided with intake valve 8; Said outlet pipe 7 is provided with breather valve 9, and the control end of said intake valve 8 and breather valve 9 is connected with the PLC controller, and the low-temperature receiver end of said secondary heat exchange device 6 is connected with extraneous natural air; Its intake line is provided with cold air control valve 10; The control end of this cold air control valve 10 is connected with the PLC controller, and heat source side is connected with heat reclaim unit 11, and this heat reclaim unit 11 is a steam generator.
As shown in Figure 1, organic exhaust gas is through fire-retardant filter 5, gets into heat exchanger 3 preheatings, sends into heater 2 heating then, sends into catalytic burner 1 internal reaction after being heated to catalytic temperature, and organic exhaust gas resolves into CO under the effect of heavy metal catalyst
2, H
2O realizes harmless treatment.High-temperature gas after the purification is sent into heat exchanger 3, and with the pending waste gas heat exchange back output of low temperature, the PLC controller drives the cold air control valve 10 on the low-temperature receiver end intake line, and the intake valve 8 at high temperature air inlet end place is opened; Breather valve 9 on the outlet pipe 7 is closed, and secondary heat exchange device 6 is inserted, and cold air gets in the secondary heat exchange device 6; With the high-temperature gas heat exchange, cold air is heated, and is exported by heat source side; Get into heat reclaim unit 11,, can be used for taking place steam or produce hot water for steam generator provides thermal source; And by the reacting gas after the secondary heat exchange, temperature is lowered, and is discharged by blower fan.
Claims (4)
1. organic waste gas catalytic combustion equipment; Comprise catalytic burner, heater, heat exchanger, blower fan and circulation connecting line; Exhaust gas entrance output pipe behind said heat exchanger is connected with said heater, and heater is connected with said catalytic burner, and its reaction delivery outlet pipeline is connected with said blower fan behind said heat exchanger; It is characterized in that: also comprise a secondary heat exchange device; Said secondary heat exchange device is connected on the outlet pipe between said heat exchanger and the said blower fan, and the low-temperature receiver end of said secondary heat exchange device is connected with extraneous natural air, and heat source side is connected with heat reclaim unit.
2. organic waste gas catalytic combustion equipment according to claim 1 is characterized in that: said heat reclaim unit is a steam generator.
3. organic waste gas catalytic combustion equipment according to claim 1 is characterized in that: the intake line of the low-temperature receiver end of said secondary heat exchange device is provided with the cold air control valve, and the control end of this cold air control valve is connected with the PLC controller.
4. organic waste gas catalytic combustion equipment according to claim 1; It is characterized in that: the high temperature air inlet end intake line of said secondary heat exchange device is provided with intake valve; Said outlet pipe is provided with breather valve, and the control end of said intake valve and breather valve is connected with the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200673099U CN202485010U (en) | 2012-02-28 | 2012-02-28 | Catalytic combustion equipment for organic exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200673099U CN202485010U (en) | 2012-02-28 | 2012-02-28 | Catalytic combustion equipment for organic exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202485010U true CN202485010U (en) | 2012-10-10 |
Family
ID=46959429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200673099U Expired - Fee Related CN202485010U (en) | 2012-02-28 | 2012-02-28 | Catalytic combustion equipment for organic exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202485010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091001A (en) * | 2015-09-01 | 2015-11-25 | 黎明化工研究设计院有限责任公司 | Waste gas burning processing equipment |
| CN107366923A (en) * | 2017-09-11 | 2017-11-21 | 山东保蓝环保工程有限公司 | One kind catalysis burning bed and its catalytic combustion method |
| CN111964023A (en) * | 2020-08-31 | 2020-11-20 | 宁波弘景环保科技有限公司 | Waste gas waste heat recovery system |
-
2012
- 2012-02-28 CN CN2012200673099U patent/CN202485010U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091001A (en) * | 2015-09-01 | 2015-11-25 | 黎明化工研究设计院有限责任公司 | Waste gas burning processing equipment |
| CN105091001B (en) * | 2015-09-01 | 2017-11-14 | 黎明化工研究设计院有限责任公司 | A kind of waste gas burning processing equipment |
| CN107366923A (en) * | 2017-09-11 | 2017-11-21 | 山东保蓝环保工程有限公司 | One kind catalysis burning bed and its catalytic combustion method |
| CN107366923B (en) * | 2017-09-11 | 2019-07-05 | 山东保蓝环保工程有限公司 | A kind of catalysis burning bed and its catalytic combustion method |
| CN111964023A (en) * | 2020-08-31 | 2020-11-20 | 宁波弘景环保科技有限公司 | Waste gas waste heat recovery system |
| CN111964023B (en) * | 2020-08-31 | 2022-02-11 | 宁波弘景环保科技有限公司 | Waste gas waste heat recovery system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |