CN207648761U - Fire formaldehyde tail gas steam boiler - Google Patents
Fire formaldehyde tail gas steam boiler Download PDFInfo
- Publication number
- CN207648761U CN207648761U CN201721618914.XU CN201721618914U CN207648761U CN 207648761 U CN207648761 U CN 207648761U CN 201721618914 U CN201721618914 U CN 201721618914U CN 207648761 U CN207648761 U CN 207648761U
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- Prior art keywords
- furnace wall
- tail gas
- nozzle
- formaldehyde
- steam
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Abstract
A kind of combustion formaldehyde tail gas steam boiler comprising formaldehyde exhaust collection device (1), burner (2), boiler body (3) and cigarette air duct (4)；Boiler body (3) includes furnace wall (31) and steam generator (32)；Furnace wall (31) is equipped with burner hearth (311) and heat-exchanging chamber (312)；Steam generator (32) is mounted in the heat-exchanging chamber (312) in furnace wall (31)；Burner (2) includes burning shell (21), and burning shell (21) is equipped with formaldehyde tail gas into nozzle (22), natural gas into nozzle (23), air into nozzle (24)；Burner (2) is mounted on furnace wall (31) one end of boiler body (3) by flame nozzle (25).Its is simple in structure, and low cost has a safety feature, and calorific value is high when work, thermal effect is high, and flue gas harmful chemical content is low, and discharge flue-gas temperature is low, can reach energy-saving and environment-friendly purpose.
Description
Technical field
The utility model is related to a kind of steam boiler, especially a kind of combustion formaldehyde tail gas steam boiler.
Background technology
Formaldehyde is a kind of chemical products on very useful way, can be used for coating, paint, the rows such as synthetic resin, timber processing
Industry is typically all industrially liquor-saturated for raw material with first.Formaldehyde is produced by aoxidizing, the residual air being discharged in Formaldehyde Production is known as first
Aldehyde tail gas, formaldehyde tail gas contain the fuel gas such as a large amount of carbon monoxide, methane, formaldehyde.Formaldehyde tail gas gas production is big, every about
One ton of formaldehyde of production will produce 600 cubes or so of formaldehyde tail gas.These a large amount of fuel gas are discharged into air, except waste money
Outside source, while serious pollution and harm can be caused to air.
PARA FORMALDEHYDE PRILLS(91,95) tail gas has at present is handled by the way of boiler combustion, but current formaldehyde tail boiler structure it is complicated,
It is of high cost, heat utilization efficiency is low, and security performance is bad, and there are security risks.
Utility model content
A kind of combustion formaldehyde tail gas steam boiler is provided the purpose of the utility model is to overcome the above-mentioned insufficient of the prior art,
Its is simple in structure, and low cost has a safety feature, and calorific value is high when work, thermal effect is high, and flue gas harmful chemical content is low, row
It is low to put flue-gas temperature, can reach energy-saving and environment-friendly purpose.
The technical solution of the utility model is：A kind of combustion formaldehyde tail gas steam boiler comprising formaldehyde exhaust collection device, combustion
Burner, boiler body and cigarette air duct；
Boiler body includes furnace wall and steam generator；The burner hearth and heat-exchanging chamber of front and back arrangement are equipped in furnace wall；Burner hearth and
Heat-exchanging chamber front end is spaced, and burner hearth is connected with heat-exchanging chamber rear end, and flue gas can enter heat from burner hearth by communication port and hand over
It changes in room；Furnace wall side wall and exhanst gas outlet is equipped with positioned at heat-exchanging chamber front position, at the heat-exchanging chamber in cigarette air duct and furnace wall
Exhanst gas outlet be connected to each other, the flue gas in heat-exchanging chamber can enter cigarette air duct by exhanst gas outlet；
Steam generator is mounted in the heat-exchanging chamber in furnace wall；
Burner includes burning shell, and the upper rear end for the shell that burns is equipped with formaldehyde tail gas into nozzle, burning shell front end side
Portion is equipped with natural gas into nozzle, and the lower part for the shell that burns is equipped with air into nozzle, and formaldehyde tail gas passes through pipeline tail gas and control valve into nozzle
Door is connected with formaldehyde exhaust collection device, and formaldehyde exhaust collection device is for collecting the formaldehyde tail generated in formaldehyde production
Gas；The housing forward end that burns is equipped with flame nozzle；Burner is mounted on the furnace wall one end of boiler body by flame nozzle.
The further technical solution of the utility model is：The natural gas into nozzle by pipeline and control valve with it is natural
Air source is connected；Air is connected by air pipeline with wind turbine into nozzle.
The further technical solution of the utility model is：The flame nozzle of the burner is extend into furnace wall,
Thermal insulation material is equipped between furnace wall, exit of the flame nozzle in furnace wall is designed as inside bell mouth shape.
Further technical solution is the utility model：The steam generator includes catch box, steam manifold and right
Flowing bundle, steam manifold are located above catch box, and the carbonated drink that convection bank is one or more is managed, and upper and lower ends are connected to collection
On vapour case and catch box, convection bank is installed in the heat-exchanging chamber in furnace wall.
The also further technical solution of the utility model is：The steam manifold goes out nozzle equipped with steam, and steam goes out on nozzle
Pressure gauge, vent valve and safety valve are installed；Water-level gauge is additionally provided on steam manifold.
The further technical solution of the utility model is：Boiler body further includes wall pipe, and wall pipe is mounted on furnace wall inner wall,
Upper and lower side is connected with steam manifold and catch box respectively.
The further technical solution of the utility model is：It further includes energy-saving appliance, and energy-saving appliance includes one group of water being connected
Pipe is mounted on cigarette air duct；Energy-saving appliance is connected by water pipe with steam generator.
The further technical solution of the utility model is：It further includes air preheater, and air preheater is mounted on cigarette wind
On road, air preheater is connected to by air hose on burner.
The further technical solution of the utility model is：It is additionally provided with explosion proof door on the furnace wall；It is additionally provided with guarantor outside furnace wall
Warm layer.
The further technical solution of the utility model is：It further includes chimney and outrigger；Chimney erects installation, with cigarette wind
Road is connected；Outrigger includes pedestal, steelframe and platform staircase, is separately mounted on boiler body.
The utility model has following features compared with prior art：
The formaldehyde tail gas 1. burner can burn, can also burn natural gas, it might even be possible to according to ratio by natural gas with
The mixing of formaldehyde tail gas is carried out at the same time burning, on the one hand can solve the problems, such as that single formaldehyde tail gas firepower is limited, while can solve
The problem of certainly influencing production and living because of certain single-fuel deficiency cut-off, uses multi fuel to can guarantee the continuity of work；
2. burner hearth and the front and back arrangement of heat-exchanging chamber can prevent flue gas from quickly flowing away and make thermal energy not fully to carbonated drink
Generator absorbs, you can to improve heat absorption utilization rate；
3. exit of the flame nozzle in furnace wall is designed as inside bell mouth shape, hot pyrotechnics can be allowed more smooth, more
Add and be easily accessible in burner hearth, reduces damage of the high temperature firepower to flame nozzle, reduce the temperature of furnace wall at this, reduce outside thermal energy
It relates to, improves the thermal efficiency；
4. wall pipe can collect the thermal energy in furnace wall, temperature of furnace wall can also be reduced, the outside radiation energy of furnace wall is reduced, carries
High efficiency of utilization；
5. energy-saving appliance is improved with air preheater outside heat utilization rate, exhaust gas temperature can be also reduced, it is more environmentally-friendly.
The detailed construction of the utility model is further described below in conjunction with the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
The vertical view (being free of formaldehyde exhaust collection device) that Fig. 2 is Fig. 1；
The left view that Fig. 3 is Fig. 1 (without attachmentes such as formaldehyde exhaust collection device, cigarette air ducts)；
Fig. 4 is the structural schematic diagram of the boiler body of the utility model；
Fig. 5 is the A-A sectional views of Fig. 4；
Fig. 6 is the B-B sectional views of Fig. 4；
Fig. 7 is the structural schematic diagram of the burner of the utility model；
Fig. 8 is the left view of Fig. 7；
Fig. 9 is the right view of Fig. 7；
Figure 10 is the attachment structure schematic diagram of the boiler body of burner.
Specific implementation mode
Embodiment 1
As shown in Figs. 1-3：A kind of combustion formaldehyde tail gas steam boiler comprising formaldehyde exhaust collection device 1, burner 2, boiler
Body 3, cigarette air duct 4, energy-saving appliance 5, air preheater, chimney 7 and outrigger 8.
Outrigger 8 includes pedestal, steelframe and platform staircase；It is mounted on boiler body 3.
As Figure 4-Figure 6, boiler body 3 includes furnace wall 31, steam generator 32 and wall pipe 33；Front and back cloth is equipped in furnace wall 31
The burner hearth 311 and heat-exchanging chamber 312 set, so-called front and back arrangement, can also be lateral arrangement（It is horizontally disposed）Rather than upper and lower directions
Arrangement can prevent flue gas from quickly flowing away and so that thermal energy is not absorbed to steam generator 32 fully in this way, you can to improve
Heat utilization rate；312 front end of burner hearth 311 and heat-exchanging chamber（Close to burner 2）It is spaced（Pass through partition board 3111, partition board 3111
The iron block of steam generator 32 can be welded to）, burner hearth 311 is connected with 312 rear end of heat-exchanging chamber, equipped with communication port
3112, flue gas can be entered in heat-exchanging chamber 312 by communication port 3112 from burner hearth 311；31 side wall of furnace wall and be located at heat exchange
312 front position of room is equipped with exhanst gas outlet 3121, and the flue gas in heat-exchanging chamber 312 can enter cigarette wind by exhanst gas outlet 3121
Road 4.
Explosion proof door 313 is additionally provided on furnace wall 31,311 pressure of burner hearth is excessive and explodes to prevent；It is also set outside furnace wall 31
There is insulating layer, to improve heat utilization rate.
As Figure 7-9, burner 2 include burning shell 21, burning shell 21 upper rear end be equipped with formaldehyde tail gas into
Nozzle 22,21 front end side of burning shell are equipped with natural gas into nozzle 23, and the lower part of burning shell 21 is equipped with air into nozzle 24, formaldehyde tail
Gas is connected by pipeline tail gas 11 and control valve with formaldehyde exhaust collection device 1 into nozzle 22, and formaldehyde exhaust collection device 1 is for receiving
Collect the formaldehyde tail gas generated in formaldehyde production；Natural gas can pass through pipeline and control valve and gas source phase into nozzle 22
Connection；Air is connected by air pipeline with wind turbine into nozzle 24, and oxygen is provided when burning for burner 2；Burner 2 can fire
Formaldehyde tail gas is burnt, and can also burn natural gas, it might even be possible to natural gas is mixed with formaldehyde tail gas according to ratio and be carried out at the same time combustion
It burns, on the one hand can solve the problems, such as that single formaldehyde tail gas firepower is limited, while can solve because of certain single-fuel deficiency cut-off
And the problem of influencing production and living, that is, multi fuel is used to ensure that the continuity of work provides more options；Burn shell 21
Front end is equipped with flame nozzle 25.
As shown in Figure 10, burner 2 by flame nozzle 25 be mounted on boiler body 3 31 one end of furnace wall, be used for by
Formaldehyde tail gas, natural gas and air are mixed and burned, and are injected flames into the burner hearth 311 of furnace wall 31 and burnt away；Combustion
The flame nozzle 25 of burner 2 is extend into furnace wall 31, and thermal insulation material 26 is equipped between furnace wall 31, can prevent the position furnace wall
31 temperature are excessively high, and exit of the flame nozzle 25 in furnace wall 31 is designed as inside bell mouth shape, and hot pyrotechnics can be allowed more suitable
Freely, it more easily enters in burner hearth 311, reduces damage of the high temperature firepower to flame nozzle 25, reduce the temperature of furnace wall 31 at this,
It reduces and is related to outside thermal energy, improve the thermal efficiency.
Steam generator 32 is mounted in the heat-exchanging chamber 312 in furnace wall 31；Steam generator 32 include catch box 321,
Steam manifold 322 and convection bank 323, steam manifold 322 are located at 321 top of catch box, the carbonated drink that convection bank 323 is one or more
Pipe, upper and lower ends are separately connected（Connection, other water pipes are identical, repeat no more）It is right on steam manifold 322 and catch box 321
Flowing bundle 323 is installed in the heat-exchanging chamber 312 in furnace wall 31, and convection bank 323 is used to absorb the heat in flue gas, and heats
Water, vapour in it, realize the purpose of thermal energy exchange；Steam manifold 322 is used to collect the steam of the formation of convection bank 323.
Steam manifold 322 goes out nozzle 3221 equipped with steam（As shown in Figure 2）, steam goes out on nozzle to be equipped with pressure gauge 3222, puts
Air valve 3223 and safety valve 3224 realize the real time monitoring to vapour pressure in steam manifold 322 and adjusting；It is additionally provided on steam manifold 322
Water-level gauge 3225（As shown in Figure 1）, to monitor and adjust water level height in steam generator 32 in real time.
Cigarette air duct 4 is connected to each other with the exhanst gas outlet 3121 at the heat-exchanging chamber 312 in furnace wall 31.
Wall pipe 33 is mounted on 31 inner wall of furnace wall, and upper and lower side is connected with steam manifold 322 and catch box 321 respectively；Its
The thermal energy in furnace wall 31 can be collected, 31 temperature of furnace wall can be reduced, reduces 31 outside radiation energy of furnace wall, improves heat utilization effect
Rate.
Energy-saving appliance 5 includes one group of water pipe being connected, and is mounted on cigarette air duct 4, can further collect in flue gas
Waste heat；The water heated in energy-saving appliance 5 directly can be used externally, can also be connected with steam generator 32 by water pipe,
The water source of higher water temperature is provided for steam generator 32, improves the efficiency of steam generator 32.
Air preheater be mounted on cigarette air duct 4 on, air preheater can external hot wind supply, can also be connected by air hose
To burner 2, the air of higher temperature is provided for burner 2, is improved efficiency of combustion, can also be reduced harmful in boiler smoke
The discharge of substance is learned, and improves the thermal efficiency of boiler.
Energy-saving appliance 5 is improved with air preheater outside heat utilization rate, can also reduce exhaust gas temperature, more environmentally-friendly.
Chimney 7 erects installation, is connected with cigarette air duct 4, to improve smoke discharging effect, reduces lower air pollution.
The utility model is not limited to above-mentioned concrete structure, as long as having and the essentially identical structure of the utility model
Formaldehyde exhaust collection device 1, burner 2, boiler body 3, cigarette air duct 4, energy-saving appliance 5 and air preheater are just fallen in the utility model
Within protection domain.
Claims (10)
1. a kind of combustion formaldehyde tail gas steam boiler comprising burner (2), boiler body (3) and cigarette air duct (4)；Boiler body (3) wraps
Include furnace wall (31) and steam generator (32)；It is characterized in that：It further includes formaldehyde exhaust collection device (1)；
The burner hearth (311) and heat-exchanging chamber (312) of front and back arrangement are equipped in furnace wall (31)；Burner hearth (311) and heat-exchanging chamber (312)
Front end is spaced, and burner hearth (311) is connected with heat-exchanging chamber (312) rear end, and flue gas is by communication port (3112) from burner hearth (311)
It can enter in heat-exchanging chamber (312)；Furnace wall (31) side wall and positioned at heat-exchanging chamber (312) front position be equipped with exhanst gas outlet
(3121), cigarette air duct (4) are connected to each other with the exhanst gas outlet (3121) at the heat-exchanging chamber (312) in furnace wall (31), heat-exchanging chamber
(312) flue gas in can enter cigarette air duct (4) by exhanst gas outlet (3121)；
Steam generator (32) is mounted in the heat-exchanging chamber (312) in furnace wall (31)；
Burner (2) includes burning shell (21), and the upper rear end of burning shell (21) is equipped with formaldehyde tail gas into nozzle (22), burning
Shell (21) front end side is equipped with natural gas into nozzle (23), and the lower part of burning shell (21) is equipped with air into nozzle (24), formaldehyde tail
Gas is connected by pipeline tail gas (11) and control valve with formaldehyde exhaust collection device (1) into nozzle (22), formaldehyde exhaust collection device
(1) it is used to collect the formaldehyde tail gas generated in formaldehyde production；Shell (21) front end burn equipped with flame nozzle (25)；Combustion
Burner (2) is mounted on furnace wall (31) one end of boiler body (3) by flame nozzle (25).
2. combustion formaldehyde tail gas steam boiler according to claim 1, it is characterized in that：The natural gas passes through into nozzle (22)
Pipeline and control valve are connected with gas source；Air is connected by air pipeline with wind turbine into nozzle (24).
3. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：The flame of the burner (2)
Nozzle (25) is extend into furnace wall (31), thermal insulation material (26) is equipped between furnace wall (31), flame nozzle (25) is in furnace wall
(31) exit in is designed as inside bell mouth shape.
4. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：The steam generator (32)
Including catch box (321), steam manifold (322) and convection bank (323), steam manifold (322) is located above catch box (321), right
The carbonated drink that flowing bundle (323) is one or more is managed, and upper and lower ends are connected on steam manifold (322) and catch box (321),
Convection bank (323) is installed in the heat-exchanging chamber (312) in furnace wall (31).
5. combustion formaldehyde tail gas steam boiler according to claim 4, it is characterized in that：The steam manifold (322) is equipped with
Steam goes out nozzle (3221), and steam goes out on nozzle to be equipped with pressure gauge (3222), vent valve (3223) and safety valve (3224)；Steam manifold
(322) water-level gauge (3225) is additionally provided on.
6. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：The boiler body (3) further includes
Wall pipe (33), wall pipe (33) be mounted on furnace wall (31) inner wall on, upper and lower side respectively with steam manifold (322) and catch box (321)
It is connected.
7. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：It further includes energy-saving appliance (5), section
Energy device (5) includes one group of water pipe being connected, and is mounted on cigarette air duct (4)；Energy-saving appliance (5) passes through water pipe and steam generator
(32) it is connected.
8. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：It further includes air preheater, empty
Air preheater is mounted on cigarette air duct (4), and air preheater is connected to by air hose on burner (2).
9. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：It is also set on the furnace wall (31)
There is explosion proof door (313)；It is additionally provided with insulating layer outside furnace wall (31).
10. combustion formaldehyde tail gas steam boiler according to claim 1 or 2, it is characterized in that：It further includes chimney (7) and outer
Frame (8)；Chimney (7) erects installation, is connected with cigarette air duct (4)；Outrigger (8) includes pedestal, steelframe and platform staircase, point
It An Zhuan not be on boiler body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618914.XU CN207648761U (en) | 2017-11-28 | 2017-11-28 | Fire formaldehyde tail gas steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618914.XU CN207648761U (en) | 2017-11-28 | 2017-11-28 | Fire formaldehyde tail gas steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648761U true CN207648761U (en) | 2018-07-24 |
Family
ID=62881766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721618914.XU Expired - Fee Related CN207648761U (en) | 2017-11-28 | 2017-11-28 | Fire formaldehyde tail gas steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726287A (en) * | 2017-11-28 | 2018-02-23 | 湖南长宏南雁锅炉修理安装有限公司 | Fire formaldehyde tail gas steam boiler |
-
2017
- 2017-11-28 CN CN201721618914.XU patent/CN207648761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726287A (en) * | 2017-11-28 | 2018-02-23 | 湖南长宏南雁锅炉修理安装有限公司 | Fire formaldehyde tail gas steam boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20181128 |