CN108954348A - A kind of waste gas catalytic combustion device - Google Patents
A kind of waste gas catalytic combustion device Download PDFInfo
- Publication number
- CN108954348A CN108954348A CN201810763957.XA CN201810763957A CN108954348A CN 108954348 A CN108954348 A CN 108954348A CN 201810763957 A CN201810763957 A CN 201810763957A CN 108954348 A CN108954348 A CN 108954348A
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- China
- Prior art keywords
- burner
- waste gas
- burner housing
- heat storage
- catalytic combustion
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Incineration Of Waste (AREA)
Abstract
The present invention relates to a kind of waste gas catalytic combustion devices, including filter, catalytic burner, heat exchanger, controller, the catalytic burner includes burner housing, metal heat storage, no less than a catalyst carrier, the front end of the burner housing is set as inlet end, inlet end is equipped with burner noz(zle), inlet end is connected with admission line, the rear end of burner housing is connected by air return pipeline with heat exchanger, it is discharged after heat exchanger by exhaust duct, the metal heat storage is fixed on the front of burner housing, close to inlet end, the catalyst carrier is sequentially arranged in burner housing, positioned at the rear of metal heat storage, heater is equipped in the metal heat storage.The present invention can be rapidly achieved, and the effective temperature adjusted in reaction process, catalytic carrier and burner housing are linked together by connection frame, are convenient for changing catalytic carrier, had and utilized production and application.
Description
Technical field
The present invention relates to technical field of waste gas treatment, and in particular to a kind of waste gas catalytic combustion device.
Background technique
Catalysis burning is typical gas-solid phase catalytic reaction, and the activation energy that it is reacted by catalyst degradation makes it
Flameless combustion is carried out at 200~300 DEG C of lower initiation temperature, organic substance oxidation occurs in solid catalyst surface, together
When generate CO2And H2O, and a large amount of heat is released, because its oxidizing reaction temperature is low, so greatly inhibiting the N in air2
Form high temperature NOx.And due to the selective catalytic action of catalyst, it is possible to limit nitrogenous compound in fuel (RNH)
Oxidation process makes its majority form dinitrogen (N2)。
Catalytic burner at present, light-off temperature is not easy to control, and cannot effectively adjust the temperature in reaction process, is catalyzed
Carrier is structure as a whole with burner housing, cannot or be not easy to replace catalytic carrier, causes to restrict to practical application.
Summary of the invention
To overcome the deficiency, the purpose of the present invention is to provide a kind of waste gas catalytic combustion devices.
The technical solution adopted by the present invention to solve the technical problems is: a kind of waste gas catalytic combustion device, including filtering
Device, catalytic burner, heat exchanger, controller, the catalytic burner include burner housing, metal heat storage, no less than
Catalyst carrier, the front end of the burner housing are set as inlet end, and inlet end is equipped with burner noz(zle), inlet end and admission line
It is connected, the rear end of burner housing is connected by air return pipeline with heat exchanger, is discharged after heat exchanger by exhaust duct, institute
The front that metal heat storage is fixed on burner housing is stated, close to inlet end, the catalyst carrier is sequentially arranged at outside burner
In shell, positioned at the rear of metal heat storage, heater is equipped in the metal heat storage.
Specifically, the admission line is equipped with fire arrester.
Specifically, the outlet side of the filter is separately connected main road pipeline, bypass duct, the main road pipeline directly with
Admission line is connected, and bypass duct is connected after heat exchanger with admission line, and main road pipeline is equipped with main road regulating valve, described
Bypass duct is equipped with bypass valve, and the main road regulating valve, bypass valve are connected with controller respectively.
Specifically, the front end of the burner housing is equipped with air and supplies spray head, and air supplies spray head and air supply device
It is connected, the air supply device is connected with controller.
Specifically, the controller uses temperature chain control device.
Specifically, be equipped with thermocouple in the combustion case, the installation of TC metal heat storage and catalyst carrier it
Between, the thermocouple is connected with controller.
Specifically, the catalyst carrier, metal heat storage are detachably connected by connection frame and combustion case.
Specifically, construction section, the front end to rear end of the construction section spontaneous combustion burner, internal diameter are equipped in the burner housing
Successively become larger, two adjacent construction sections, positioned at front end construction section maximum inner diameter be less than positioned at rear end construction section most
Small internal diameter, the burner housing are located at the maximum that the cavity inside diameter between two adjacent construction sections is more than or equal to front end construction section
Internal diameter, less than or equal to the minimum diameter of rear end construction section, the connection frame is connected through a screw thread mode with corresponding construction section can
Dismantling connection is together.
Specifically, for the construction section in cone, the internal diameter of construction section front end is less than the internal diameter of rear end.
Specifically, cavity is equipped at the raised thread outside the connection frame, cavity bottom passes through outside spring and Universal caster
The bottom of shell is connected.
The invention has the following advantages: can be rapidly achieved, the effective temperature adjusted in reaction process, catalysis is carried
Body and burner housing are linked together by connection frame, are convenient for changing catalytic carrier, are had and are utilized production and application.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of catalytic burner of the invention.
Fig. 3 is the structural schematic diagram in burner housing of the invention.
Fig. 4 is the structural schematic diagram that catalyst carrier of the invention is connected thereto frame.
Fig. 5 is the structural schematic diagram of connection frame of the invention.
Fig. 6 is the structural schematic diagram that connection frame of the invention is connect with multi-directional ball.
1 filter in figure, 2 air-introduced machines, 3 bypass ducts, 31 bypass valves, 4 heat exchangers, 5 main road pipelines, 51 main road tune
Save valve, 6 controllers, 7 air supply devices, 8 thermocouples, 9 air supply spray head, 10 burner noz(zle)s, 11 metal heat storages, 12 burnings
Device shell, the construction section of 121 front ends, the construction section of 122 rear ends, 13 catalyst carriers, 131 connection frames, 132 raised threads, 133
Universal caster, 134 Universal caster shells, 135 cavitys, 136 springs, 14 air return pipelines, 15 fire arresters, 16 admission lines.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.
A kind of waste gas catalytic combustion device as shown in Figures 1 to 6, including filter 1, catalytic burner, heat exchanger 4,
Controller 6, the catalytic burner include burner housing 12, metal heat storage 11, no less than 2 catalyst carriers 13, institute
The front end for stating burner housing 12 is set as inlet end, and inlet end is equipped with burner noz(zle) 10, and inlet end is connected with admission line 16,
The rear end of burner housing 12 is connected by air return pipeline 14 with heat exchanger 4, is discharged after heat exchanger 4 by exhaust duct, institute
The front that metal heat storage 11 is fixed on burner housing 12 is stated, close to inlet end, the catalyst carrier 13 is sequentially arranged at combustion
In burner shell 12, positioned at the rear of metal heat storage 11, heater is equipped in the metal heat storage 11.
Specifically, the admission line 16 is equipped with fire arrester 15.
Specifically, the outlet side of the filter 1 is separately connected main road pipeline 5, bypass duct 3, and the main road pipeline 5 is straight
It connects and is connected with admission line 16, bypass duct 3 is connected after heat exchanger 4 with admission line 16, and main road pipeline 5 is equipped with main road
Regulating valve 51, the bypass duct 3 be equipped with bypass valve 31, the main road regulating valve 51, bypass valve 31 respectively with
Controller 6 is connected, and when normal combustion, opens main road regulating valve 51.
Specifically, the front end of the burner housing 12 is equipped with air and supplies spray head 9, and air supplies spray head 9 and air is mended
It is connected to device 7, the air supply device 7 is connected with controller 6.
Specifically, the controller 6 uses temperature chain control device.
Specifically, it is equipped with thermocouple 8 in the combustion case 12, thermocouple 8 is mounted on metal heat storage 11 and catalyst
Between carrier 13, the thermocouple 8 is connected with controller 6.
Specifically, the catalyst carrier 13, metal heat storage 11 are detachably connected by connection frame 131 with combustion case 12
It is connected together.
Specifically, it is equipped with construction section 121 in the burner housing 12, the front end of the 121 spontaneous combustion burner of construction section is arrived
Rear end, internal diameter successively become larger, two adjacent construction sections 121, positioned at front end construction section 121 maximum inner diameter be less than be located at after
The minimum diameter of the construction section 122 at end, the cavity inside diameter that the burner housing 12 is located between two adjacent construction sections 121 are big
In the maximum inner diameter for being equal to front end construction section 121, less than or equal to the minimum diameter of rear end construction section 122, the connection frame 131 with
Corresponding construction section 121,122 is connected through a screw thread mode and is detachably connected.
Specifically, for the construction section 121,122 in cone, construction section 121, the internal diameter of 122 front ends are interior less than rear end
Diameter.
Specifically, cavity 135 is equipped at the raised thread 132 outside the connection frame 131,135 bottom of cavity passes through spring
136 are connected with the bottom of 133 shell 134 of Universal caster, and under external force, Universal caster 133 can be compressed into cavity 135
It is interior, the leakproofness being threadedly coupled with construction section 122 is not influenced, when screwing out connection frame 131, under spring 136 acts on, Universal caster
133 pop-ups, pull-out burner housing 12 that can be smooth are conveniently replaceable.
In use, the heater in metal heat storage 11 works first, is heated for metal heat storage 11, make metal heat storage
11 are heated to catalyst activation temperature, adjust main road regulating valve 51, are internally filled with filtered exhaust gas, meanwhile, open air
Supplies 2, are filled with air, and burner noz(zle) 10 sprays into exhaust gas, open catalysis burning, and the gas after burning is by air return pipeline to changing
Hot device 4, is discharged after exchanging heat；
If exhaust gas temperature is too low, into after burner housing 12, reaction heat is not enough to maintain to react, then passes through controller 6
Main road regulating valve 51 is turned down, bypass valve 31 is increased, after the preheating of heat exchanger 4, is discharged into burner housing 12, increases combustion
Temperature in burner shell 12, if cannot still reach reaction temperature, heater heats metal heat storage 11, to maintain
Reaction temperature.
The present invention is not limited to the embodiment, anyone should learn that the structure made under the inspiration of the present invention becomes
Change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (10)
1. a kind of waste gas catalytic combustion device, including filter, catalytic burner, heat exchanger, controller, it is characterised in that: institute
Stating catalytic burner includes burner housing, metal heat storage, no less than catalyst carrier, the front end of the burner housing
It is set as inlet end, inlet end is equipped with burner noz(zle), and inlet end is connected with admission line, and the rear end of burner housing passes through return air
Pipeline is connected with heat exchanger, is discharged after heat exchanger by exhaust duct, and the metal heat storage is fixed on burner housing
Front, close to inlet end, the catalyst carrier is sequentially arranged in burner housing, described positioned at the rear of metal heat storage
Heater is equipped in metal heat storage.
2. a kind of waste gas catalytic combustion device according to claim 1, it is characterised in that: the admission line is equipped with resistance
Firearm.
3. a kind of waste gas catalytic combustion device according to claim 1, it is characterised in that: the outlet side of the filter point
Not Lian Jie main road pipeline, bypass duct, the main road pipeline is directly connected with admission line, bypass duct after heat exchanger with
Admission line is connected, and main road pipeline is equipped with main road regulating valve, and the bypass duct is equipped with bypass valve, the main road tune
Section valve, bypass valve are connected with controller respectively.
4. a kind of waste gas catalytic combustion device according to claim 1, it is characterised in that: the front end of the burner housing
Spray head is supplied equipped with air, air supply spray head is connected with air supply device, and the air supply device is connected with controller.
5. a kind of waste gas catalytic combustion device according to claim 1, it is characterised in that: the controller is connected using temperature
Lock controller.
6. a kind of waste gas catalytic combustion device according to claim 1, it is characterised in that: be equipped with heat in the combustion case
Galvanic couple, between metal heat storage and catalyst carrier, the thermocouple is connected the installation of TC with controller.
7. a kind of waste gas catalytic combustion device according to claim 1, it is characterised in that: the catalyst carrier, metal
Heat storage is detachably connected by connection frame and combustion case.
8. a kind of waste gas catalytic combustion device according to claim 7, it is characterised in that: be equipped in the burner housing
Construction section, the front end to rear end of the construction section spontaneous combustion burner, internal diameter successively become larger, two adjacent construction sections, are located at front end
The maximum inner diameter of construction section be less than the minimum diameter of the construction section positioned at rear end, the burner housing is located at two adjacent peaces
The maximum inner diameter that the cavity inside diameter between section is more than or equal to front end construction section is filled, less than or equal to the minimum diameter of rear end construction section,
The connection frame is connected through a screw thread mode with corresponding construction section and is detachably connected.
9. a kind of waste gas catalytic combustion device according to claim 8, it is characterised in that: the construction section is in cone,
The internal diameter of construction section front end is less than the internal diameter of rear end.
10. a kind of waste gas catalytic combustion device according to claim 7 or 8, it is characterised in that: convex outside the connection frame
It rises and is equipped with cavity at screw thread, cavity bottom is connected by spring with the bottom of Universal caster shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810763957.XA CN108954348B (en) | 2018-07-12 | 2018-07-12 | Waste gas catalytic combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810763957.XA CN108954348B (en) | 2018-07-12 | 2018-07-12 | Waste gas catalytic combustion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108954348A true CN108954348A (en) | 2018-12-07 |
| CN108954348B CN108954348B (en) | 2020-07-21 |
Family
ID=64483804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810763957.XA Expired - Fee Related CN108954348B (en) | 2018-07-12 | 2018-07-12 | Waste gas catalytic combustion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108954348B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4012119A1 (en) * | 1990-04-14 | 1991-10-17 | Kat Tec Ges Fuer Katalysatorte | Air cleaning catalytic oxidiser and ancillaries - using oil as fuel and comprises cold air blower, heat absorbing side of heat exchanger, heater, oxidn. reactor with catalyst, etc. |
| JP2691072B2 (en) * | 1991-07-05 | 1997-12-17 | サーマトリックス・インコーポレーテッド | Method and apparatus for controlled reactions in a reaction matrix |
| CN101301577A (en) * | 2008-06-20 | 2008-11-12 | 上海东化环境工程有限公司 | Catalytic oxidation process technique of phenol-acetone device tail gas |
| CN101357301A (en) * | 2008-09-12 | 2009-02-04 | 湖州郎立电工器材制造有限公司 | Quadric catalysis method of enamel wire drying oven |
| CN103998868A (en) * | 2011-12-27 | 2014-08-20 | 川崎重工业株式会社 | Catalytic combustor in gas turbine engine |
| CN203803374U (en) * | 2014-01-28 | 2014-09-03 | 西安科技大学 | Catalytic wet air oxidation desulfurization and denitrification device |
| CN205155984U (en) * | 2015-12-08 | 2016-04-13 | 山东英派节能环保科技有限公司 | Handle heat accumulation formula catalysis direct combustion system of VOCs waste gas |
| CN206035600U (en) * | 2016-08-26 | 2017-03-22 | 天津杰特汽车三元催化器有限公司 | Removable formula three way catalyst converter |
| CN206176421U (en) * | 2016-10-21 | 2017-05-17 | 江苏启创环境科技股份有限公司 | VOCs catalytic combustion unit |
| CN207196522U (en) * | 2017-09-29 | 2018-04-06 | 厦门冉能环保科技有限公司 | A kind of heat accumulating type organic waste gas catalytic combustion reaction bed |
| CN207342505U (en) * | 2017-08-22 | 2018-05-11 | 中绿环保科技股份有限公司 | Flue gas SCR denitrification facility that can be used to industrial test and teaching |
-
2018
- 2018-07-12 CN CN201810763957.XA patent/CN108954348B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4012119A1 (en) * | 1990-04-14 | 1991-10-17 | Kat Tec Ges Fuer Katalysatorte | Air cleaning catalytic oxidiser and ancillaries - using oil as fuel and comprises cold air blower, heat absorbing side of heat exchanger, heater, oxidn. reactor with catalyst, etc. |
| JP2691072B2 (en) * | 1991-07-05 | 1997-12-17 | サーマトリックス・インコーポレーテッド | Method and apparatus for controlled reactions in a reaction matrix |
| CN101301577A (en) * | 2008-06-20 | 2008-11-12 | 上海东化环境工程有限公司 | Catalytic oxidation process technique of phenol-acetone device tail gas |
| CN101357301A (en) * | 2008-09-12 | 2009-02-04 | 湖州郎立电工器材制造有限公司 | Quadric catalysis method of enamel wire drying oven |
| CN103998868A (en) * | 2011-12-27 | 2014-08-20 | 川崎重工业株式会社 | Catalytic combustor in gas turbine engine |
| CN203803374U (en) * | 2014-01-28 | 2014-09-03 | 西安科技大学 | Catalytic wet air oxidation desulfurization and denitrification device |
| CN205155984U (en) * | 2015-12-08 | 2016-04-13 | 山东英派节能环保科技有限公司 | Handle heat accumulation formula catalysis direct combustion system of VOCs waste gas |
| CN206035600U (en) * | 2016-08-26 | 2017-03-22 | 天津杰特汽车三元催化器有限公司 | Removable formula three way catalyst converter |
| CN206176421U (en) * | 2016-10-21 | 2017-05-17 | 江苏启创环境科技股份有限公司 | VOCs catalytic combustion unit |
| CN207342505U (en) * | 2017-08-22 | 2018-05-11 | 中绿环保科技股份有限公司 | Flue gas SCR denitrification facility that can be used to industrial test and teaching |
| CN207196522U (en) * | 2017-09-29 | 2018-04-06 | 厦门冉能环保科技有限公司 | A kind of heat accumulating type organic waste gas catalytic combustion reaction bed |
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| Publication number | Publication date |
|---|---|
| CN108954348B (en) | 2020-07-21 |
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Granted publication date: 20200721 Termination date: 20210712 |