CN107270310A - Burn heating furnace in Verticle gas organic heat carrier bottom - Google Patents
Burn heating furnace in Verticle gas organic heat carrier bottom Download PDFInfo
- Publication number
- CN107270310A CN107270310A CN201710635533.0A CN201710635533A CN107270310A CN 107270310 A CN107270310 A CN 107270310A CN 201710635533 A CN201710635533 A CN 201710635533A CN 107270310 A CN107270310 A CN 107270310A
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- China
- Prior art keywords
- coil pipe
- waste gas
- inner ring
- heating furnace
- ring coil
- 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.)
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
Heating furnace, including body of heater and the coil pipe in body of heater are burnt the invention discloses a kind of Verticle gas organic heat carrier bottom；Body of heater includes columnar housing and the bottom plate being fixedly connected with the casing, burner throat is offered on bottom plate, thermal insulation layer is equipped with bottom plate top, coil pipe includes inner ring coil pipe and outer ring coil pipe, the annular flame retardant coating being made up of refractory concrete is poured into a mould between thermal insulation layer top and inner ring coil pipe internal face and burner throat, the heating furnace also includes the waste gas adapter that several are arranged along around burner throat, the outlet side of each waste gas adapter passes through the intracavity inter-connection of the bottom plate and flame retardant coating and body of heater, the inlet end of each waste gas adapter is connected with the water-containing waste gas that chemical industry production equipment is discharged；Flame retardant coating upper surface between the inner ring coil pipe internal face and burner throat is in horizontally disposed horizontal plane.The present invention is simple in construction, easily manufactured, nitrogen oxides in effluent content can be greatly reduced, it is ensured that heating furnace energy long-time steady operation.
Description
Technical field
The present invention relates to a kind of organic thermal carrier heating furnace, more particularly to one kind is using fuel gas such as natural gases as fuel
Verticle gas organic heat carrier bottom burn heating furnace.
Background technology
It is that, using fuel gas such as natural gas as fuel, burner is arranged on stove that heating furnace is burnt at Verticle gas organic heat carrier bottom
Body bottom, using conduction oil as thermophore, using circular-pump, liquid phase circulation is absorbed after high-temperature flue gas heat in stove, will
Heat energy is conveyed to the direct-fired special industrial boiler of heating equipment, with high-temperature low-pressure, is widely used in petrochemical industry, printing and dyeing, pitch
The fields such as heating, timber and food.
Country put into effect GB13271-2014 in 2014《Emission standard of air pollutants for boilers》, nitrogen oxides is arranged
Putting concentration has compulsory index requirement, reduces boiler discharged nitrous oxides, and environmental protection is imperative.
Nitrogen oxides mechanism of production is divided into three kinds:
（1）Heating power type：The nitrogen oxides that nitrogen in air is aoxidized and generated at high temperature, the nitrogen oxygen of the higher generation of ignition temperature
Compound is more；
（2）Quick-type：The nitrogen oxides of ionic hydrocarbon group reaction generation in nitrogen and fuel during burning in air；
（3）Fuel type：Nitrogen compound in fuel thermally decomposes and then aoxidizes the nitrogen oxides of generation in combustion.
The organic heat carrier furnace of fuel, because nitrogen content is seldom in fuel, combustion of natural gas are mainly used as using natural gas
Temperature is high, and nitrogen oxides produces main based on heating power type.
Burn heating furnace, including body of heater and the coil pipe in body of heater in existing Verticle gas organic heat carrier bottom；Body of heater
Including columnar housing and the bottom plate being fixedly connected with the casing, burner throat is offered on bottom plate, in the laying of bottom plate top
There is thermal insulation layer, the coil pipe includes spiral helicine inner ring coil pipe and outer ring coil pipe, in thermal insulation layer top and inner ring coil pipe inwall
Flame retardant coating is poured into a mould between face and burner throat, flame retardant coating is with inner ring coil pipe internal face contact position along inner ring coil pipe internal face for not
Regular helix circular configuration.
Burn heating furnace and there is following defect in the course of the work in the Verticle gas organic heat carrier bottom of this structure：（1）Combustion
When combustion gas and air burning that burner sprays, because surrounding space is irregular, combustion product gases can produce bias current, cause partial combustion
Flue-gas temperature is too high, so that nitrogen oxides in effluent concentration is raised；（2）Flame retardant coating after a long time use, inevitably
It can crack, and have the phenomenon of peeling, pouring into a mould the castable of particle and peeling can accumulate on the combustion head of burner, influence
Burner stable operation is, it is necessary to which artificial be periodically into cleaning in stove, and maintenance is very inconvenient.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art not produced partially there is provided a kind of combustion product gases
Stream, and heating furnace is burnt at the Verticle gas organic heat carrier bottom of nitrogen oxides in effluent content when burning can be greatly reduced.
In order to solve the above technical problems, the present invention burns heating furnace, bag using such a Verticle gas organic heat carrier bottom
Include body of heater and the coil pipe in body of heater；The body of heater includes columnar housing and the bottom being fixedly connected with the housing
Offered on plate, the housing and offer burner throat on exhanst gas outlet, the bottom plate, be equipped with the bottom plate top every
Thermosphere, the coil pipe includes spiral helicine inner ring coil pipe and outer ring coil pipe, the inner ring coil pipe upright cloth in parallel with outer ring coil pipe
Put, columnar metallic plate, the metallic plate upper end and inner ring coil pipe outside wall surface are provided between the inner ring coil pipe and bottom plate
It is sealedly and fixedly connected, the metallic plate lower end is fixedly connected with bottom plate, in the thermal insulation layer top and inner ring coil pipe internal face
The annular flame retardant coating being made up of refractory concrete is poured into a mould between burner throat, heating is burnt at the Verticle gas organic heat carrier bottom
Stove also includes the waste gas adapter that several are arranged along around burner throat, and the outlet side of each waste gas adapter passes through the bottom plate
With flame retardant coating and the intracavity inter-connection of body of heater, inlet end and the aqueous of chemical industry production equipment discharge of each waste gas adapter are given up
Gas phase connects；Flame retardant coating upper surface between the inner ring coil pipe internal face and burner throat is in horizontally disposed horizontal plane.
As a kind of preferred embodiment of the present invention, it is close on the flame retardant coating top at inner ring coil pipe internal face, also
A whole ring shape fire brick layer is built by laying bricks or stones, the upper surface of the fire brick layer is horizontal plane.
In the present invention, the waste gas adapter preferably has 6~18, and be distributed on the same of burner throat central axis
On heart circumference.
As a kind of preferred embodiment of the present invention, the waste gas adapter has hollow body, is connect in the waste gas
The outlet side of pipe is provided with an outlet short tube set with body central axis angle of inclination, the equal court of body and outlet short tube
It is obliquely installed to burner throat.
In the present invention, the body of waste gas adapter towards the angle that burner throat is obliquely installed be preferably 60~
80 °, the outlet short tube and body central axis angle of inclination are preferably 10~25 °.
After said structure, the invention has the advantages that：
The present invention sets several waste gas to take in furnace bottom along around burner throat, for the aqueous of chemical industry equipment discharge of burning
Waste gas, because steam is by thermal evaporation, makes the reduction of combustion flame peripheral temperature, while oxygen concentration is diluted again, so that body of heater
Discharged nitrous oxides concentration is reduced to 30mg/m in smoke evacuation3Below；Meanwhile, flame retardant coating upper surface is arranged to level by the present invention
Face, so that the combustion gas such as natural gas is after burner is sprayed, in the space of rule, air is uniform with combustion gas mixing, fully combustion
Burn, combustion product gases will not produce bias current, prevented the possibility that combustion gas produces localized hyperthermia in burning.The present invention is tied more than
After structure, nitrogen oxides in effluent content when significantly reducing burning.
The present invention is close at inner ring coil pipe internal face build fire brick layer by laying bricks or stones on flame retardant coating top, and the upper surface of fire brick layer is
Horizontal plane；After such structure, on the one hand, combustion product gases is not produced bias current, so that nitrous oxides concentration is reduced,
On the other hand, by laying fireproof bricks on flame retardant coating top, flame retardant coating is so not only protected, and effectively prevent flame retardant coating
Cast particle and the castable of peeling are accumulated on the combustion head of burner, also, refractory brick has intensity high, thermal shock resistance
It is good, build by laying bricks or stones conveniently, furnace wall smoke impervious is good, and service life is long, it is not necessary to manually frequently enter and cleared up and safeguarded in stove,
It ensure that the efficient long-time steady operation of heating furnace.
The quantity and pipe diameter of waste gas adapter of the present invention can be according to exhaust gas flow, heating furnace sizes, with reference to combustion flame
Diameter determines that exhaust gas flow, heating furnace and combustion flame diameter are bigger, and correspondingly the quantity and pipe diameter of waste gas adapter are got over
Greatly, the reducing effect of nitrogen oxides in effluent content is more notable.The quantity of waste gas adapter of the present invention is preferably 6~18, body
Diameter is preferably 50~76mm, and waste gas adapter is distributed on the same circumference of burner throat central axis.
The present invention sets an outlet short tube set with body central axis angle of inclination in the outlet side that waste gas is taken over
Afterwards, it is convenient to adjust the angle between the water-containing waste gas and burner flame of waste gas adapter outlet side ejection, make combustion flame
Peripheral temperature reaches optimal reducing effect, so that nitrogen oxides in effluent content is lower.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a kind of structural representation that heating furnace is burnt at Verticle gas organic heat carrier bottom of the present invention.
A kind of structural representation that Fig. 2 takes over for waste gas in the present invention.
Fig. 3 is the schematic cross-sectional view in Fig. 2 along line A-A.
Embodiment
Heating furnace, including body of heater and installed in stove are burnt referring to a kind of Verticle gas organic heat carrier bottom shown in Fig. 1 to Fig. 3
Internal coil pipe；What the body of heater was fixed together including columnar metal shell 1 and by welding with the housing 1
Exhanst gas outlet 1-1 is offered on horizonal base plate 2, the housing 1, the outside of housing 1, which is equipped with heat-insulation layer 9, the bottom plate 2, opens
Provided with the burner throat 2-1 for placing burning device, do not show burner in figure, thermal insulation layer is equipped with the top of bottom plate 2
3, the thermal insulation layer 3 is preferably made up of heat insulation foam, and the coil pipe includes spiral helicine inner ring coil pipe 4-1 and outer ring coil pipe 4-2,
The inner ring coil pipe 4-1 upright arrangements in parallel with outer ring coil pipe 4-2, as shown in figure 1, in the inner ring coil pipe 4-1 and outer ring
The centre circle coil pipe 4-3 uprightly arranged in parallel is preferably also provided between coil pipe 4-2, the inner ring coil pipe 4-1 and bottom plate 2 it
Between be provided with columnar metallic plate 5, the material of the metallic plate 5 is preferably stainless steel, and the upper end of metallic plate 5 passes through welding and inner ring
Coil pipe 4-1 outside wall surfaces are sealedly and fixedly connected, and the lower end of metallic plate 5 is fixedly connected by welding with bottom plate 2, on the thermal insulation layer 3
The annular flame retardant coating being made up of refractory concrete is poured into a mould between portion and inner ring coil pipe 4-1 internal faces and burner throat 2-1
6, the Verticle gas organic heat carrier bottom is burnt heating furnace and also connect including several waste gas arranged along around burner throat 2-1
Pipe 7, the outlet side 7-1 of each waste gas adapter 7 is each useless through the bottom plate 2 and the intracavity inter-connection of flame retardant coating 6 and body of heater
The inlet end 7-2 of gas adapter 7 is connected with the water-containing waste gas that chemical industry production equipment is discharged, during work, chemical industry equipment discharge
Water-containing waste gas is transported to the interior intracavitary of body of heater through waste gas adapter 7；The inner ring coil pipe 4-1 internal faces and burner throat 2-1
Between the upper surface 6-1 of flame retardant coating 6 be in horizontally disposed horizontal plane.
As a kind of preferred embodiment of the present invention, as shown in figure 1, being close to inner ring coil pipe on the top of flame retardant coating 6
At 4-1 internal faces, a whole ring shape fire brick layer 8 has also been built by laying bricks or stones, the upper surface 8-1 of the fire brick layer 8 is horizontal plane.Adopt
After such structure, on the one hand, because the upper surface 8-1 of fire brick layer 8 is horizontal plane, therefore combustion product gases will not produce
Bias current, so as to reduce nitrous oxides concentration, on the other hand, by laying fireproof bricks on the top of concrete flame retardant coating 6, is so both protected
Flame retardant coating 6, while turn avoid the castable accumulation that particle and peeling are poured into a mould in recurrent flame retardant coating 6 in the prior art
The drawbacks of on combustion head, also, refractory brick also has intensity high, good thermal shock stability, builds by laying bricks or stones conveniently, furnace wall smoke impervious
Good, service life is long, it is not necessary to which artificial frequently enter is cleared up and safeguarded in stove, so as to ensure that the efficient length of heating furnace
Time stable operation.
In the present invention, the waste gas adapter 7 is preferably provided with 6~18, and is distributed on in burner throat 2-1
In heart axis B concentric circumferences.The quantity of waste gas adapter 7 and its pipe diameter can be according to exhaust gas flow, heating furnace size and combustions
Burn flame diameter and determine that exhaust gas flow, heating furnace and combustion flame diameter be bigger, correspondingly the quantity of waste gas adapter 7 it is more and
Pipe diameter is bigger, and the reduced rate of nitrogen oxides in effluent content is higher.
As shown in Figure 1, 2, the waste gas adapter 7 has hollow body 7a, and body 7a diameters are preferably 50~76mm, makees
For a kind of preferred embodiment of the present invention, one and pipe also are set by welding in the outlet side 7-1 of the waste gas adapter 7
The outlet short tube 7b that body 7a central axis tilt angle theta is set, body 7a and outlet the short tube 7b is towards burner throat
2-1 is obliquely installed.When mounted, waste gas adapter 7 is fixedly connected by adpting flange 10 with bottom plate 2.Using such structure
Afterwards, it is convenient to adjust the angle between the water-containing waste gas and burner flame of the outlet side 7-1 of waste gas adapter 7 ejections, make burning
Flame peripheral temperature reaches optimal reducing effect, so that nitrogen oxides in effluent content is lower.
In the present invention, the angle beta that the body 7a of the waste gas adapter 7 is obliquely installed towards burner throat 2-1 is 60
~80 °, preferably 75 °, the outlet short tube 7b is 10~25 °, preferably 18 ° with body 7a central axis tilt angle theta.
By trying out, nitrogen oxides in effluent content can be greatly reduced in the present invention, and does not need user often to heating
Stove furnace bottom is cleared up and safeguarded that heating furnace energy high efficiency, long-time steady operation achieve good effect.
Claims (5)
1. heating furnace, including body of heater and the coil pipe in body of heater are burnt in a kind of Verticle gas organic heat carrier bottom；The body of heater
Including columnar housing（1）With with the housing（1）The bottom plate being fixedly connected（2）, the housing（1）On offer flue gas and go out
Mouthful（1-1）, the bottom plate（2）On offer burner throat（2-1）, in the bottom plate（2）Top is equipped with thermal insulation layer
（3）, the coil pipe include spiral helicine inner ring coil pipe（4-1）With outer ring coil pipe（4-2）, the inner ring coil pipe（4-1）With it is outer
Enclose coil pipe（4-2）Upright arrangement in parallel, in the inner ring coil pipe（4-1）With bottom plate（2）Between be provided with columnar metallic plate
（5）, the metallic plate（5）Upper end and inner ring coil pipe（4-1）Outside wall surface is sealedly and fixedly connected, the metallic plate（5）Lower end and bottom
Plate（2）It is fixedly connected, in the thermal insulation layer（3）Top and inner ring coil pipe（4-1）Internal face and burner throat（2-1）It
Between pour into a mould the annular flame retardant coating being made up of refractory concrete（6）, it is characterised in that：Burn heating in the Verticle gas organic heat carrier bottom
Stove also includes several along burner throat（2-1）The waste gas adapter of surrounding arrangement（7）, each waste gas adapter（7）Outlet side
（7-1）Through the bottom plate（2）And flame retardant coating（6）With the intracavity inter-connection of body of heater, each waste gas adapter（7）Inlet end
（7-2）The water-containing waste gas discharged with chemical industry production equipment is connected；The inner ring coil pipe（4-1）Internal face and burner larynx
Mouthful（2-1）Between flame retardant coating（6）Upper surface（6-1）For in horizontally disposed horizontal plane.
2. heating furnace is burnt at Verticle gas organic heat carrier bottom according to claim 1, it is characterised in that：In the flame retardant coating
（6）It is close to inner ring coil pipe in top（4-1）At internal face, a whole ring shape fire brick layer has also been built by laying bricks or stones（8）, the fire brick layer
（8）Upper surface（8-1）For horizontal plane.
3. heating furnace is burnt at Verticle gas organic heat carrier bottom according to claim 1, it is characterised in that：The waste gas adapter
（7）There are 6~18, and be distributed on burner throat（2-1）Central axis（B）Concentric circumferences on.
4. heating furnace is burnt at the Verticle gas organic heat carrier bottom according to claim 1 or 2 or 3, it is characterised in that：It is described useless
Gas is taken over（7）With hollow body（7a）, in waste gas adapter（7）Outlet side（7-1）Provided with one and body（7a）
Central axis angle of inclination（θ）The outlet short tube of setting（7b）, the body（7a）With outlet short tube（7b）Towards burner
Aditus laryngis（2-1）It is obliquely installed.
5. heating furnace is burnt at Verticle gas organic heat carrier bottom according to claim 4, it is characterised in that：The waste gas adapter
（7）Body（7a）Towards burner throat（2-1）The angle being obliquely installed（β）For 60~80 °, the outlet short tube（7b）
With body（7a）Central axis angle of inclination（θ）For 10~25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635533.0A CN107270310B (en) | 2017-07-27 | 2017-07-27 | Vertical gas organic heat carrier bottom firing heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710635533.0A CN107270310B (en) | 2017-07-27 | 2017-07-27 | Vertical gas organic heat carrier bottom firing heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107270310A true CN107270310A (en) | 2017-10-20 |
| CN107270310B CN107270310B (en) | 2023-05-16 |
Family
ID=60075973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710635533.0A Active CN107270310B (en) | 2017-07-27 | 2017-07-27 | Vertical gas organic heat carrier bottom firing heating furnace |
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| Country | Link |
|---|---|
| CN (1) | CN107270310B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826679A (en) * | 2018-06-01 | 2018-11-16 | 北京航天石化技术装备工程有限公司 | A kind of tipburn paralleling two beds spiral coil molten salt furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202303403U (en) * | 2011-11-08 | 2012-07-04 | 碧海舟（北京）石油化工设备有限公司 | Adiabatic incinerator for chemical waste gas and waste liquid |
| CN202303408U (en) * | 2011-10-19 | 2012-07-04 | 北京航天动力研究所 | Environment-friendly high-efficiency torch gas combustion device |
| CN202747611U (en) * | 2012-08-17 | 2013-02-20 | 常州综研加热炉有限公司 | Upright bottom burning gas heat transfer fluid furnace |
| CN105222150A (en) * | 2015-10-22 | 2016-01-06 | 上海华之邦科技股份有限公司 | A kind of mist vapour mixing arrangement reducing NOx emission |
| CN206973588U (en) * | 2017-07-27 | 2018-02-06 | 常州综研加热炉有限公司 | Burn heating furnace in Verticle gas organic heat carrier bottom |
-
2017
- 2017-07-27 CN CN201710635533.0A patent/CN107270310B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202303408U (en) * | 2011-10-19 | 2012-07-04 | 北京航天动力研究所 | Environment-friendly high-efficiency torch gas combustion device |
| CN202303403U (en) * | 2011-11-08 | 2012-07-04 | 碧海舟（北京）石油化工设备有限公司 | Adiabatic incinerator for chemical waste gas and waste liquid |
| CN202747611U (en) * | 2012-08-17 | 2013-02-20 | 常州综研加热炉有限公司 | Upright bottom burning gas heat transfer fluid furnace |
| CN105222150A (en) * | 2015-10-22 | 2016-01-06 | 上海华之邦科技股份有限公司 | A kind of mist vapour mixing arrangement reducing NOx emission |
| CN206973588U (en) * | 2017-07-27 | 2018-02-06 | 常州综研加热炉有限公司 | Burn heating furnace in Verticle gas organic heat carrier bottom |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826679A (en) * | 2018-06-01 | 2018-11-16 | 北京航天石化技术装备工程有限公司 | A kind of tipburn paralleling two beds spiral coil molten salt furnace |
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| Publication number | Publication date |
|---|---|
| CN107270310B (en) | 2023-05-16 |
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