CN207438540U - A kind of waste heat boiler - Google Patents
A kind of waste heat boiler Download PDFInfo
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- CN207438540U CN207438540U CN201721296855.9U CN201721296855U CN207438540U CN 207438540 U CN207438540 U CN 207438540U CN 201721296855 U CN201721296855 U CN 201721296855U CN 207438540 U CN207438540 U CN 207438540U
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- boiler body
- cooling room
- convective cooling
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- drum
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Abstract
The utility model discloses a kind of waste heat boilers, the boiler body surrounded including pedestal and by fin panel casing, the inner space of boiler body is divided into the radiation cooling room sequentially connected from front to back along flow of flue gas direction and several convective cooling rooms, gas inlet is set at the top of radiation cooling room, bottom sets ash discharging hole, several columns water cooling tube is set in each convective cooling room, exhanst gas outlet is set in the rear end of the last one convective cooling room, set up ash discharging hole separately in the bottom of each convective cooling room, ash bucket is set in ash discharging hole punishment；Drum is set above boiler body, drum is supported by being disposed around down-comer outside boiler body, the upper end of all down-comers is connected with drum, the lower end of all down-comers is connected with lower header, lower header is connected by fin panel casing with the upper collecting chamber above boiler body, and upper collecting chamber is connected with the drum above it.The utility model has the advantages that the waste heat of the high-temperature flue gas generated during nonferrous smelting can be recycled.
Description
Technical field
The utility model is related to nonferrous smelting heat recovery technology fields, and in particular to it is a kind of can be to nonferrous smelting during
The waste heat boiler that waste heat in the high-temperature dust-containing flue gas of generation is recycled.
Background technology
In recent years, with nonferrous smelting industrial expansion, non-ferrous metal yield is continuously improved.But nonferrous smelting industry is
Energy consumption and heavy polluter can generate the high temperature that a large amount of poisonous and harmful and temperature are up to 750 DEG C or more in nonferrous smelting production process
Ash-laden gas, the sensible heat of high-temperature dust-containing flue gas account for more than the 20% of total energy consumption, so the waste heat of recycling high-temperature flue gas can not only give enterprise
Industry brings huge economic benefit, while is of great significance to environmental protection and economizing on resources.Therefore there is an urgent need for invent a kind of energy
The waste heat boiler of effective recycling is carried out to the waste heat in the high-temperature dust-containing flue gas of generation during nonferrous smelting.
Utility model content
More than the purpose of this utility model is to provide in a kind of high-temperature dust-containing flue gas that can be in the process generated to nonferrous smelting
Heat carries out the waste heat boiler of effective recycling.
To achieve the above object, the utility model employs following technical solution：A kind of waste heat boiler, the bottom of including
Seat is respectively arranged with one at left and right sides of base top and is disbursed from the cost and expenses dagger, and boiler body is collectively formed in the upper end of all support columns
Supporting platform is provided with the boiler body surrounded by fin panel casing in boiler body supporting platform, in boiler body bottom
The left and right sides be respectively arranged with lower header, boiler body by the lower header at left and right sides of its bottom by being pressed respectively against homonymy pair
One answered is disbursed from the cost and expenses on dagger and is placed in boiler body supporting platform, and only there are one the upper ends of support column in all support columns
Mutually fixed with corresponding lower header, remaining support column upper end is not fixed mutually with corresponding lower header；The boiler body
Inner space is divided into the radiation cooling room sequentially connected from front to back along flow of flue gas direction and several convective cooling rooms,
Gas inlet is provided at the top of radiation cooling room, bottom is provided with ash discharging hole, be provided in each convective cooling room several
The water cooling tube being connected with the fin panel casing of corresponding convective cooling room side wall is arranged, is set in the rear end of the last one convective cooling room
Exhanst gas outlet is equipped with, ash discharging hole is respectively arranged in the bottom of each convective cooling room, in radiation cooling room and each convective cooling
Ash bucket is respectively arranged at the ash discharging hole of room；Drum is provided with above boiler body, drum is by being disposed around outside boiler body
Several down-comers support in portion, the upper end of all down-comers is connected with drum, and the lower end of all down-comers is and next part
Case is connected, and lower header is connected by fin panel casing with the upper collecting chamber above boiler body, upper collecting chamber and its top
Drum be connected.
Further, foregoing a kind of waste heat boiler, wherein：It is provided in radiation cooling room immediately below gas inlet
Crust block pipe, the water inlet end of crust block pipe are connected with water outlet with drum.
Further, foregoing a kind of waste heat boiler, wherein：It is provided in radiation cooling room several to radiation cooling room
On the inside of water-cooling wall and crust block pipe surface carries out the pneumatic hammer of deashing, be respectively arranged in each convective cooling room it is several can be to right
The shock-wave ash-clearing device that tube bank surface inside cooling chamber carries out deashing is flowed, the shock-wave ash-clearing device includes：Several are arranged at cooling
Indoor blowing pipe is provided with several nozzles towards the nozzle on convective cooling chamber interior tube bank surface on every blowing pipe, blows
Ash pipe is connected with air accumulator.
Further, foregoing a kind of waste heat boiler, wherein：Boiler body is by being sequentially distributed along flow of flue gas direction
Radiation cooling module and several convective cooling module tandem dockings are assembled, and the radiation cooling module is enclosed by fin panel casing
Into the inside of radiation cooling module is radiation cooling room, sets exhanst gas outlet in the rear end of radiation cooling module, top is provided with cigarette
Gas import and bottom is provided with ash discharging hole；The convective cooling module is surrounded by fin panel casing, the inside of convective cooling module
For convective cooling room, the water that several columns are connected with the fin panel casing of convective cooling room side wall is provided in convective cooling room
Cold pipe is provided with gas inlet in the front end of convective cooling module, rear end is provided with exhanst gas outlet.
Further, foregoing a kind of waste heat boiler, wherein：Be provided at gas inlet to by gas inlet with into
The cigarette import expansion joint that smoke pipeline is connected is provided with what exhanst gas outlet was connected with smoke pipeline in smoke outlet
Cigarette exports expansion joint.
Further, foregoing a kind of waste heat boiler, wherein：Several confession people are provided on boiler body and enter boiler sheet
Internal portion carries out the manhole of deashing.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：（1）Boiler body is by by its bottom
The lower header of the left and right sides, which is pressed respectively against homonymy corresponding one, is disbursed from the cost and expenses on dagger and is placed in boiler body supporting platform, and institute
Have in support column only there are one support column upper end and corresponding lower header mutually fixation, remaining support column upper end not with it is corresponding
Lower header mutually fix, so as to allow boiler body free wxpansion, efficiently solve the thermal expansion problem of boiler, further extend
The service life of boiler；（2）Drum is supported by being disposed around several down-comers outside boiler body, and down-comer is both that water follows
Endless tube road, while be also not required to separately set steelframe to install drum, not only reduce steel consumption, reduce enterprise to support drum
Industry use cost, and make boiler overall structure compacter, further reduce the floor space of boiler entirety；（3）Boiler
Body use full film-type water-cooling wall type structure, and by the inner space of boiler body be divided into along flow of flue gas direction by it is preceding extremely
The radiation cooling room and several convective cooling rooms sequentially connected afterwards is provided in the radiation cooling room immediately below gas inlet solidifying
Slag pipe is provided with the water that several columns are connected with the fin panel casing of corresponding convective cooling room side wall in each convective cooling room
Cold pipe can will be reduced to 350 DEG C of discharges into up to 750 DEG C of high-temperature flue gas of boiler, and heat recovery efficiency is high；（4）Passing through will
Boiler body modularization, can not only greatly block boiler in-site installation speed, installation is quick and convenient, substantially reduces boiler
Set-up time；（5）By setting pneumatic hammer in radiation cooling room, shock-wave ash-clearing device in each convective cooling room is set, can be had
Effect avoids the tube bank surface that dust is adhered to inside each cooling chamber, and then prevents the tube bank surface local overheating inside each cooling chamber
Overheat, ensure that the reliability service of boiler, also further extends the service life of boiler.
Description of the drawings
Fig. 1 is a kind of structure diagram of waste heat boiler described in the utility model.
Fig. 2 is the structure diagram of the A-A sections shown in Fig. 1.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of waste heat boiler, including pedestal 1, the left and right sides difference at 1 top of pedestal
It is provided with one to be disbursed from the cost and expenses dagger 2, boiler body supporting platform is collectively formed in the upper end of all support columns 2, in boiler body Zhi Chengping
The boiler body 3 surrounded by fin panel casing is provided on platform, next part is respectively arranged at left and right sides of 3 bottom of boiler body
Case 4, boiler body 3 are disbursed from the cost and expenses on dagger 2 by the way that the lower header 4 at left and right sides of its bottom is pressed respectively against homonymy corresponding one and placed
In boiler body supporting platform, and the only upper end there are one support column 2 and corresponding 4 phase of lower header in all support columns 2
The fixed, upper end of remaining support column 2 is not fixed with corresponding 4 phase of lower header；The inner space of the boiler body 3 is divided into
The radiation cooling room 5 and three convective cooling rooms 6 sequentially connected from front to back along flow of flue gas direction, in radiation cooling room 5
Top be provided with gas inlet, bottom is provided with ash discharging hole, be provided in each convective cooling room 6 several columns with to reply
The water cooling tube 7 that the fin panel casing of 6 side wall of stream cooling chamber is connected, cigarette is provided in the rear end of the last one convective cooling room 6
Gas exports, and ash discharging hole is respectively arranged in the bottom of each convective cooling room 6, in radiation cooling room 5 and each convective cooling room 6
Ash bucket 8 is respectively arranged at ash discharging hole；Drum 9 is provided in the top of boiler body 3, drum 9 is by being disposed around outside boiler body 3
Several down-comers 10 in portion support, and the upper end of all down-comers 10 is connected with drum 9, and the lower end of all down-comers 10 is equal
It is connected with lower header 4, lower header 4 is connected by fin panel casing with the upper collecting chamber 11 positioned at 3 top of boiler body, upper collection
Case 11 is connected with the drum 9 above it；In the present embodiment, it is provided in the radiation cooling room immediately below gas inlet solidifying
Slag pipe 12, the water inlet end of crust block pipe 12 are connected with water outlet with drum 9, by crust block pipe to the height into radiation cooling room
The obstruction of warm flue gas can not only be such that the impurity in high-temperature flue gas faster settles, and can reduce the cigarette of high-temperature flue gas
Gas velocity degree, while also preferably high-temperature flue gas can be cooled down；
In the present embodiment, it is provided in radiation cooling room 5 several on the inside of 5 water-cooling wall of radiation cooling room and crust block
Pipe surface carries out the pneumatic hammer 18 of deashing, and being respectively arranged in each convective cooling room several can restrain convective cooling chamber interior
Surface carries out the shock-wave ash-clearing device of deashing, and the shock-wave ash-clearing device includes：Several are arranged at the indoor blowing pipe 13 of cooling,
Several nozzles are provided on every blowing pipe 13 towards the nozzle 14 on convective cooling chamber interior tube bank surface, blowing pipe 13 and gas storage
Tank 15 is connected, and above-mentioned deashing mechanism is simple in structure, convenient to install and maintain, and can be effective by pneumatic hammer and shock-wave ash-clearing device
The tube bank surface that dust is adhered to inside each cooling chamber is avoided, and then prevents the tube bank surface local overheating mistake inside each cooling chamber
Heat ensure that the reliability service of boiler, also further extend the service life of boiler；
In the present embodiment, boiler body 3 is by the radiation cooling module that is sequentially distributed along flow of flue gas direction and several
Convective cooling module tandem docking is assembled, and the radiation cooling module is surrounded by fin panel casing, radiation cooling module
Inside is radiation cooling room, sets exhanst gas outlet in the rear end of radiation cooling module, top is provided with gas inlet and bottom is set
There is ash discharging hole；The convective cooling module is surrounded by fin panel casing, and the inside of convective cooling module is convective cooling room, right
The water cooling tube that several columns are connected with the fin panel casing of convective cooling room side wall is provided in stream cooling chamber, in convective cooling mould
The front end of block is provided with gas inlet, rear end is provided with exhanst gas outlet, can not only greatly block by by boiler body modularization
The in-site installation speed of boiler, installation is quick and convenient, substantially reduces the set-up time of boiler；In the present embodiment, in flue gas
Entrance is provided with the cigarette import expansion joint 16 that gas inlet is connected with smoke-intake pipe road, is provided in smoke outlet
Cigarette exhanst gas outlet to be connected with smoke pipeline exports expansion joint 17, so can be preferably to gas inlet and flue gas
Outlet is protected, and so as to effectively protect boiler whole, extends the service life of boiler entirety；In the present embodiment, exist
Several manholes 19 for entering for people inside boiler body and carrying out deashing are provided on boiler body；
The operation principle of the utility model is as follows：
Up to 750 DEG C of the high-temperature dust-containing flue gas that fluidized bed furnace generates first enters the radiation cooling of boiler body through gas inlet
Room 5, high-temperature dust-containing flue gas buffer deceleration and after exchanging heat in radiation cooling room 5, then the membrane type water with each convective cooling room 6 successively
After cold wall and water cooling tube 7 exchange heat, 350 DEG C of low-temperature flue gas discharge is formed；
During flow of flue gas, the feedwater of economizer can constantly be passed through drum 9, into drum 9 water again through each decline
Pipe 10 is assigned to each lower header 4, then the fin panel casing of boiler body 3 is assigned to through each lower header 4, and water is by film-type water-cooling
It can be exchanged heat when wall, water cooling tube 7 and crust block pipe 12 with the high-temperature flue gas in boiler body 2 and form steam water interface, carbonated drink
Mixture can constantly be upwardly into upper collecting chamber 11 and in upper collecting chamber along the heating surface of fin panel casing, water cooling tube 7 and crust block pipe 12
Pre-separation is into saturated vapor and water in 11, and the saturated vapor in upper collecting chamber 11 enters back into drum 9, into the saturated vapor of drum 3
Enterprise's pipe network is incorporated to again.
The beneficial effects of the utility model are：（1）Boiler body is by the way that the lower header at left and right sides of its bottom is pressed respectively
It is disbursed from the cost and expenses on dagger and is placed in boiler body supporting platform in homonymy corresponding one, and only there are one supports in all support columns
The upper end of column is mutually fixed with corresponding lower header, the upper end of remaining support column is not fixed mutually with corresponding lower header, so as to permit
Perhaps boiler body free wxpansion, efficiently solves the thermal expansion problem of boiler, further extends the service life of boiler；（2）
Drum is supported by being disposed around several down-comers outside boiler body, and down-comer is both water circulation pipe, while also propping up
Drum is supportted, is not required to separately set steelframe to install drum, not only reduces steel consumption, enterprise's use cost is reduced, and makes pot
Stove overall structure is compacter, further reduces the floor space of boiler entirety；（3）Boiler body uses full fin panel casing
Formula structure, and the inner space of boiler body is divided into the radiation cooling sequentially connected from front to back along flow of flue gas direction
Room and several convective cooling rooms are provided with crust block pipe in the radiation cooling room immediately below gas inlet, in each convective cooling
Interior is provided with the water cooling tube that several columns are connected with the fin panel casing of corresponding convective cooling room side wall, can will enter boiler
Up to 750 DEG C of high-temperature flue gas is reduced to 350 DEG C of discharges, and heat recovery efficiency is high；（4）By by boiler body modularization, not only
Can greatly block boiler in-site installation speed, installation is quick and convenient, substantially reduces the set-up time of boiler；（5）By
Pneumatic hammer in radiation cooling room is set, shock-wave ash-clearing device in each convective cooling room is set, dust can effectively be avoided to be adhered to respectively
Tube bank surface inside cooling chamber, and then prevent the tube bank surface local overheating overheat inside each cooling chamber, it ensure that boiler
Reliability service also further extends the service life of boiler.
Claims (6)
1. a kind of waste heat boiler, it is characterised in that：Including pedestal, one is respectively arranged at left and right sides of base top and is disbursed from the cost and expenses support
Column, the upper end of all support columns are collectively formed boiler body supporting platform, are provided in boiler body supporting platform by membrane type
The boiler body that water-cooling wall surrounds, is respectively arranged with lower header at left and right sides of boiler body bottom, boiler body pass through by
Lower header at left and right sides of its bottom, which is pressed respectively against homonymy corresponding one, is disbursed from the cost and expenses on dagger and is placed in boiler body supporting platform,
And in all support columns only there are one support column upper end and corresponding lower header mutually fixation, remaining support column upper end not
It is mutually fixed with corresponding lower header；The inner space of the boiler body is divided into along flow of flue gas direction from front to back sequentially
The radiation cooling room of connection and several convective cooling rooms, are provided with gas inlet, bottom is provided at the top of radiation cooling room
Ash discharging hole is provided with what several columns were connected with the fin panel casing of corresponding convective cooling room side wall in each convective cooling room
Water cooling tube is provided with exhanst gas outlet in the rear end of the last one convective cooling room, is set respectively in the bottom of each convective cooling room
Ash discharging hole is equipped with, ash bucket is respectively arranged at the ash discharging hole of radiation cooling room and each convective cooling room；In the upper of boiler body
Side is provided with drum, and drum is supported by being disposed around several down-comers outside boiler body, the upper ends of all down-comers with
Drum is connected, and the lower end of all down-comers is connected with lower header, and lower header is by fin panel casing with being located at boiler sheet
Upper collecting chamber above body is connected, and upper collecting chamber is connected with the drum above it.
2. a kind of waste heat boiler according to claim 1, it is characterised in that：Radiation cooling room immediately below gas inlet
Crust block pipe is inside provided with, the water inlet end of crust block pipe is connected with water outlet with drum.
3. a kind of waste heat boiler according to claim 1 or 2, it is characterised in that：It is provided in radiation cooling room several
The pneumatic hammer of deashing is carried out to radiation cooling room water-cooling wall inside and crust block pipe surface, is set respectively in each convective cooling room
There are several shock-wave ash-clearing devices that surface progress deashing can be restrained convective cooling chamber interior, the shock-wave ash-clearing device includes：It is several
Root is arranged at the indoor blowing pipe of cooling, and several nozzles are provided on every blowing pipe towards convective cooling chamber interior tube bank table
The nozzle in face, blowing pipe are connected with air accumulator.
4. a kind of waste heat boiler according to claim 1 or 2, it is characterised in that：Boiler body is by along flow of flue gas side
It is assembled to the radiation cooling module and several convective cooling module tandem dockings being sequentially distributed, the radiation cooling module by
Fin panel casing surrounds, and the inside of radiation cooling module is radiation cooling room, set in the rear end of radiation cooling module exhanst gas outlet,
Top is provided with gas inlet and bottom is provided with ash discharging hole；The convective cooling module is surrounded by fin panel casing, convection current drop
The inside of warm module is convective cooling room, and the film-type water-cooling of several columns and convective cooling room side wall is provided in convective cooling room
The water cooling tube that wall is connected is provided with gas inlet in the front end of convective cooling module, rear end is provided with exhanst gas outlet.
5. a kind of waste heat boiler according to claim 1 or 2, it is characterised in that：It is provided with to incite somebody to action at gas inlet
The cigarette import expansion joint that gas inlet is connected with smoke-intake pipe road is provided in smoke outlet to by exhanst gas outlet and smoke
The cigarette outlet expansion joint that pipeline is connected.
6. a kind of waste heat boiler according to claim 1 or 2, it is characterised in that：Several confessions are provided on boiler body
People enters inside boiler body the manhole for carrying out deashing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296855.9U CN207438540U (en) | 2017-10-10 | 2017-10-10 | A kind of waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296855.9U CN207438540U (en) | 2017-10-10 | 2017-10-10 | A kind of waste heat boiler |
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| Publication Number | Publication Date |
|---|---|
| CN207438540U true CN207438540U (en) | 2018-06-01 |
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ID=62296226
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721296855.9U Active CN207438540U (en) | 2017-10-10 | 2017-10-10 | A kind of waste heat boiler |
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| Country | Link |
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| CN (1) | CN207438540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654984A (en) * | 2017-10-10 | 2018-02-02 | 苏州海陆重工股份有限公司 | A kind of waste heat boiler |
-
2017
- 2017-10-10 CN CN201721296855.9U patent/CN207438540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654984A (en) * | 2017-10-10 | 2018-02-02 | 苏州海陆重工股份有限公司 | A kind of waste heat boiler |
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