CN206890563U - Flue dust isolating construction in stove - Google Patents
Flue dust isolating construction in stove Download PDFInfo
- Publication number
- CN206890563U CN206890563U CN201720398210.XU CN201720398210U CN206890563U CN 206890563 U CN206890563 U CN 206890563U CN 201720398210 U CN201720398210 U CN 201720398210U CN 206890563 U CN206890563 U CN 206890563U
- Authority
- CN
- China
- Prior art keywords
- heating surface
- boiler
- tube
- vertical heating
- flue dust
- 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.)
- Expired - Fee Related
Links
- 239000003500 flue dust Substances 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 239000003546 flue gas Substances 0.000 claims abstract description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011449 brick Substances 0.000 claims description 34
- 239000002689 soil Substances 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 9
- 208000007623 Lordosis Diseases 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
Flue dust isolating construction belongs to flue dust isolating construction in flue dust separation technology field, more particularly to a kind of stove in stove.The utility model offer is a kind of to improve boiler efficiency, saves flue dust isolating construction in the energy and the stove of easy access deashing.The utility model includes furnace wall, outlet smokestack tube is provided with furnace wall, outlet smokestack tube one end is connected with upper collecting chamber after boiler, the outlet smokestack tube other end is connected with lower header before boiler, its structural feature outlet smokestack tube includes the vertical heating surface pipe vertical with flue gas flow direction direction, the top and bottom of vertical heating surface pipe are bent to opposite transverse direction, the fin of grit in multiple stop flue gases is vertically provided with vertical heating surface pipe, ash dropping hopper is provided with below vertical heating surface pipe, the ash tube outlet of ash dropping hopper lower end is connected with pit.
Description
Technical field
The utility model belongs to flue dust isolating construction in flue dust separation technology field, more particularly to a kind of stove.
Background technology
Most of heating boilers operationally, because the coal dust burdening of use is larger, tail are brought to down to volume of smoke
Portion's heating surface, back-end surfaces are caused with certain abrasion, the safe operation to boiler causes certain harm, also reduces boiler
Service life.And when boiler at low load is run or during blowing out, this this flue dust can be attached on the tube wall of back-end surfaces,
Boiler heat-transfer is influenceed, reduces boiler efficiency.
The content of the invention
The utility model is aiming above mentioned problem, there is provided one kind can improve boiler efficiency, save the energy and easy access
Flue dust isolating construction in the stove of deashing.
To achieve the above object, the utility model adopts the following technical scheme that, the utility model includes furnace wall, is set in furnace wall
Outlet smokestack tube is equipped with, outlet smokestack tube one end is connected with upper collecting chamber after boiler, the outlet smokestack tube other end and next part before boiler
Case is connected, and its structural feature outlet smokestack tube includes the vertical heating surface pipe vertical with flue gas flow direction direction, vertical heating surface
The top and bottom of pipe are bent to opposite transverse direction, and dirt in multiple stop flue gases is vertically provided with vertical heating surface pipe
The fin of grain, ash dropping hopper is provided with below vertical heating surface pipe, and the ash tube outlet of ash dropping hopper lower end is connected with pit.
Position on the furnace wall corresponding to vertical heating surface pipe is provided with maintenance deashing fire door；The ash dropping hopper is remote
From being provided with laterally snakelike roof tube and down-comer above boiler upper collecting chamber side, upper collecting chamber before one end of roof tube and boiler
It is connected, the other end of roof tube is connected with the drum of boiler.
The upper end of the down-comer is connected with boiler side upper collecting chamber, and the lower end of down-comer is connected with boiler side lower header；Pot
Furnace side upper collecting chamber is connected with upper collecting chamber, afterbody boiler export connecting leg before boiler respectively；Upper collecting chamber before lower header and boiler before boiler,
Boiler side lower header is connected.
As a kind of preferred scheme, the total length of fin described in the utility model is 700mm~800mm.
As another preferred scheme, fin described in the utility model welds with vertical heating surface pipe.
As another preferred scheme, vertical heating surface pipe described in the utility model is six；Six vertical heating surfaces
Pipe is in parallel, and upper and lower side links together；Six vertical heating surface pipes are divided into three groups, every group of two vertical heating surface tubes, and three
The vertical heating surface pipe of group is sequentially arranged along flue gas flow direction direction, and every group two vertical heating surface tubes are along vertical flue gas flow direction direction
Lateral arrangement.
As another preferred scheme, the fin on each vertical heating surface pipe described in the utility model arranges for two, and two
The angle of row fin is 120 degree, and the centerline direction of the angle of two row fins is consistent with flue gas flow direction direction, 120 degree of angles
Direction is relative with flue gas flow direction direction.
As another preferred scheme, maintenance deashing fire door described in the utility model includes doorframe and door closure, door closure side
It is connected by hinge with doorframe, door closure opposite side is provided with handle, and handle front portion is connected by bearing pin screw with door closure, before handle
End is provided with fixture block, and handle front end is provided with snib on doorframe, and fixture block is provided with neck on snib；In door closure
Portion, which is provided with, sees hole, sees that Kong Chu is provided with and sees port lid, sees that port lid upper end is connected by bearing pin screw with door closure；The door closure is inner
Both sides are provided with refractory concrete soil block, are provided with refractory concrete soil block and draw brick hook, draw brick hook outer end through door closure and are provided with
External screw thread, a nut, which is threaded onto on the external screw thread for drawing brick hook outer end, will draw brick hook to be fixed on door closure.
Secondly, it is described in the utility model to see on port lid the plate for being provided with lordosis.
In addition, the utility model is each provided with the two drawing brick hooks arranged up and down on the refractory concrete soil block.
The utility model beneficial effect.
After the utility model, the flue dust for being brought to back-end surfaces is greatly reduced, and the abrasion of boiler reduces, pipe
The service life of son significantly improves, and ensures boiler safety reliability service.And because afterbody pipe dust stratification is reduced, heat-transfer effect is not
It can substantially be reduced with the increase using the time, save mass energy.
Using before this utility model, wasted time and energy because tube wear retubes, clears up tube wall dust stratification, and workload
Greatly, after using this utility model, workload greatly reduces, and has saved a large amount of maintenance costs.
The utility model can be applicable in a variety of type of furnaces, with the investment of very little, solve boiler manfacturing and fortune for a long time
Row enterprise is for the excessive puzzlement of boiler tail dust stratification.
When the grit in flue gas is beaten on pipe or fin, grit kinetic energy reduces, and can be fallen along tube wall or fin, fall on pipe
In the ash dropping hopper for arranging bottom, most of flue dust can be stopped by installing this device, prevent volume of smoke from flowing in next stage heating surface.
The utility model, which is set, overhauls the maintenance deashing that deashing fire door is easy to associated components.
Laterally snakelike roof tube is provided with above the utility model ash dropping hopper Keep away from boiler upper collecting chamber side；Ash dropping hopper is remote
Top from boiler upper collecting chamber side is the high-temperature area in furnace wall, sets laterally snakelike roof tube here, is easy to horizontal snake
Liquid in shape roof tube preferably absorbs heat.
Brief description of the drawings
The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model
It is not only limited to the statement of herein below.
Fig. 1 is that the utility model is provided with preceding brick baffle and rear brick baffle structural representation.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the utility model maintenance deashing door structure schematic diagram.
Fig. 4 is the utility model section view.
Fig. 5 is the utility model structure diagram.
In figure, 1 it is rear upper collecting chamber, 2 is heated coiled pipe, 3 is ash dropping hopper, 4 is outlet smokestack tube, 5 is fin, 6 is inspection
Repair deashing fire door, 7 be boiler drum, 8 be roof tube, 9 be down-comer, 10 be ash tube, 11 to see that port lid, 12 are bearing pin spiral shell
Nail, 13 be doorframe, 14 be door closure, 15 be handle, 16 be snib, 17 be bearing pin screw, 18 be refractory concrete soil block, 19 be drawing brick
Hook, 20 be nut, 21 be furnace wall, 22 be outlet flue, 23 be smoke inlet, 24 be preceding brick baffle, 25 be hinge, 26 be after every cigarette
Wall, 27 be plate, 29 be neck, 30 be fixture block.
Embodiment
As illustrated, the utility model includes furnace wall, outlet smokestack tube is provided with furnace wall, exports smokestack tube one end and pot
Upper collecting chamber is connected after stove, and the outlet smokestack tube other end is connected with lower header before boiler, and outlet smokestack tube includes and flue gas flow direction side
To vertical vertical heating surface pipe, the top and bottom of vertical heating surface pipe are bent to opposite transverse direction, vertical heating surface
The fin of grit in multiple stop flue gases is vertically provided with pipe, ash dropping hopper is provided with below vertical heating surface pipe,
The ash tube outlet of ash dropping hopper lower end is connected with pit.
Position on the furnace wall corresponding to vertical heating surface pipe is provided with maintenance deashing fire door；The ash dropping hopper is remote
From being provided with laterally snakelike roof tube and down-comer above boiler upper collecting chamber side, upper collecting chamber before one end of roof tube and boiler
It is connected, the other end of roof tube is connected with the drum of boiler.
The upper end of the down-comer is connected with boiler side upper collecting chamber, and the lower end of down-comer is connected with boiler side lower header；Pot
Furnace side upper collecting chamber is connected with upper collecting chamber, afterbody boiler export connecting leg before boiler respectively；Upper collecting chamber before lower header and boiler before boiler,
Boiler side lower header is connected.
The total length of the fin is 700mm~800mm.
The fin welds with vertical heating surface pipe.
The vertical heating surface pipe is six；Six vertical heating surface pipes are in parallel, and upper and lower side links together；Six
Vertical heating surface pipe is divided into three groups, every group of two vertical heating surface tubes, and three groups of vertical heating surface pipes are along flue gas flow direction direction
It is sequentially arranged, every group two vertical heating surface tubes are along vertical flue gas flow direction direction lateral arrangement.By experiment, using this vertically by
The hot sub- set-up mode of facial canal, reach good dust blocking effect.
Fin on each vertical heating surface pipe is two row, and the angle of two row fins is 120 degree, two row fins
The centerline direction of angle is consistent with flue gas flow direction direction, and the direction of 120 degree of angles is relative with flue gas flow direction direction.Two row fins
Angle be 120 degree, when the grit in flue gas is beaten on pipe or fin, a part of grit kinetic energy reduces, due to Action of Gravity Field
It can be fallen along tube wall or fin, after another part grit forms eddy flow due to distinctive angle, carry a part of grit and also fall on
In the ash dropping hopper of pipe row bottom, and boiler exterior is drained into by ash tube, most of flue dust can be stopped, prevent volume of smoke from flowing to
In back-end surfaces, corrosive wear is carried out to back-end surfaces.
The maintenance deashing fire door includes doorframe and door closure, and door closure side is connected by hinge with doorframe, door closure opposite side
Handle is provided with, handle front portion is connected by bearing pin screw with door closure, and handle front end is provided with fixture block, and handle is corresponded on doorframe
Front end is provided with snib, and fixture block is provided with neck on snib；It is provided with the middle part of door closure and sees hole, is seen that Kong Chu is provided with and see hole
Lid, sees that port lid upper end is connected by bearing pin screw with door closure；Described door closure the inner both sides are provided with refractory concrete soil block, and fire resisting mixes
It is provided with solidifying soil block and draws brick hook, drawn brick hook outer end through door closure and be provided with external screw thread, a nut, which is threaded onto, draws brick hook outer end
On external screw thread brick hook will be drawn to be fixed on door closure.The utility model door closure the inner both sides are provided with refractory concrete soil block, can be effective
Prevent from overhauling deashing fire door by high temperature failure.It is provided with the utility model refractory concrete soil block and draws brick hook, draws brick hook outer end to wear
Cross door closure and be provided with external screw thread, a nut, which is threaded onto on the external screw thread for drawing brick hook outer end, will draw brick hook to be fixed on door closure；It is easy to
Installation, dismounting, the replacing of refractory concrete soil block, it is easy to adjust the thickness of refractory concrete soil block.
It is described to see on port lid the plate for being provided with lordosis.Set plate to be easy to see the rotation of port lid, expose and see hole.
The two drawing brick hooks arranged up and down are provided with each refractory concrete soil block；It is easy to the steady of refractory concrete soil block
Fixed connection.
The ash dropping hopper is provided with heated coiled pipe in the furnace wall on the outside of the ash dropping hopper of boiler upper collecting chamber side, and be heated snake
Shape pipe is arranged on after vertical heating surface pipe in the flue gas transmission path of pole, and be heated coiled pipe one end and boiler tail import connecting leg
It is connected, the heated coiled pipe other end is connected with boiler tail outlet connecting leg, boiler tail outlet connecting leg and boiler side upper collecting chamber phase
Even.Ash dropping hopper is provided with heated coiled pipe in the furnace wall on the outside of the ash dropping hopper of boiler upper collecting chamber side, is easy to absorb by perpendicular
The heat of flue gas after to heating surface pipe, reduce exhaust gas temperature.
The fin uses heat-resisting steel sheet and plate.
There is interval between the neighbouring fin of each column fin on each vertical heating surface pipe.This structure can prevent
Due to fin part distortion different and caused from the coefficient of expansion of pipe.
The ash dropping hopper upper end edge flue gas flow direction direction both sides are provided with preceding brick baffle and rear brick baffle, described vertical heated
Facial canal is arranged between preceding brick baffle and rear brick baffle, is every on smoke-box, preceding brick baffle between preceding brick baffle and rear brick baffle
Upper end smoke inlet is provided between end and furnace wall ceiling, rear brick baffle lower end is provided with horizontal lower end outlet flue.When flue gas flows through
Preceding brick baffle enters when smoke-box, and the actual internal area of flue gas becomes big suddenly, and dust kinetic energy dies down in flue gas, the ash of larger particles
Dirt is because in Action of Gravity Field meeting ash dropping hopper, stop of a part of dust due to exporting smokestack tube is also fallen into ash dropping hopper, and also one
Part flue dust is beaten on rear brick baffle, is also fallen into ash dropping hopper, and drains into boiler exterior by ash tube, and installing this device can hinder
Most of flue dust is kept off, allows flue dust to be separated in boiler internal by primary, prevents volume of smoke from flowing in back-end surfaces, reduces and enters
The fume amount of boiler tail, to reduce the abrasion to back-end surfaces.
The drawing brick hook uses heat resisting steel hook.
It is understood that above with respect to specific descriptions of the present utility model, it is merely to illustrate the utility model and is not
The technical scheme described by the utility model embodiment is limited to, it will be understood by those within the art that, still can be with
The utility model is modified or equivalent substitution, to reach identical technique effect；As long as satisfaction uses needs, all in this reality
Within new protection domain.
Claims (8)
1. flue dust isolating construction in stove, including furnace wall, be provided with outlet smokestack tube in furnace wall, outlet smokestack tube one end with after boiler
Upper collecting chamber is connected, and the outlet smokestack tube other end is connected with lower header before boiler, it is characterised in that outlet smokestack tube includes and flue gas
The vertical vertical heating surface pipe in direction is flowed to, the top and bottom of vertical heating surface pipe are bent to opposite transverse direction, vertically
The fin of grit in multiple stop flue gases is vertically provided with heating surface pipe, is provided with below vertical heating surface pipe
Ash bucket, the ash tube outlet of ash dropping hopper lower end are connected with pit；
Position on the furnace wall corresponding to vertical heating surface pipe is provided with maintenance deashing fire door；The ash dropping hopper is away from pot
Laterally snakelike roof tube and down-comer, one end of roof tube and upper collecting chamber phase before boiler are provided with above stove upper collecting chamber side
Even, the other end of roof tube is connected with the drum of boiler；
The upper end of the down-comer is connected with boiler side upper collecting chamber, and the lower end of down-comer is connected with boiler side lower header；Boiler side
Upper collecting chamber is connected with upper collecting chamber, afterbody boiler export connecting leg before boiler respectively；Lower header and upper collecting chamber, boiler before boiler before boiler
Side lower header is connected.
2. flue dust isolating construction in stove according to claim 1, it is characterised in that the total length of the fin be 700mm~
800mm。
3. flue dust isolating construction in stove according to claim 1, it is characterised in that the fin welds with vertical heating surface pipe
Connect.
4. flue dust isolating construction in stove according to claim 1, it is characterised in that the vertical heating surface pipe is six；Six
Individual vertical heating surface pipe is in parallel, and upper and lower side links together；Six vertical heating surface pipes are divided into three groups, and every group two vertical
Heating surface tube, three groups of vertical heating surface pipes are sequentially arranged along flue gas flow direction direction, and every group two vertical heating surface tubes are along vertically
Flue gas flow direction direction lateral arrangement.
5. flue dust isolating construction in stove according to claim 4, it is characterised in that on each vertical heating surface pipe
Fin is two row, and the angle of two row fins is 120 degree, centerline direction and the flue gas flow direction direction one of the angle of two row fins
Cause, the direction of 120 degree of angles is relative with flue gas flow direction direction.
6. flue dust isolating construction in stove according to claim 1, it is characterised in that the maintenance deashing fire door include doorframe and
Door closure, door closure side are connected by hinge with doorframe, and door closure opposite side is provided with handle, and handle front portion passes through bearing pin screw and door
Lid is connected, and handle front end is provided with fixture block, and handle front end is provided with snib on doorframe, corresponding to fixture block setting on snib
There is neck；It is provided with the middle part of door closure and sees hole, is seen that Kong Chu is provided with and see port lid, see that port lid upper end passes through bearing pin screw and door closure phase
Even；Described door closure the inner both sides are provided with refractory concrete soil block, are provided with refractory concrete soil block and draw brick hook, draw brick hook outer end to wear
Cross door closure and be provided with external screw thread, a nut, which is threaded onto on the external screw thread for drawing brick hook outer end, will draw brick hook to be fixed on door closure.
7. flue dust isolating construction in stove according to claim 6, it is characterised in that described see on port lid is provided with dialling for lordosis
Plate.
8. flue dust isolating construction in stove according to claim 6, it is characterised in that set on each refractory concrete soil block
There are the two drawing brick hooks arranged up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398210.XU CN206890563U (en) | 2017-04-17 | 2017-04-17 | Flue dust isolating construction in stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398210.XU CN206890563U (en) | 2017-04-17 | 2017-04-17 | Flue dust isolating construction in stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206890563U true CN206890563U (en) | 2018-01-16 |
Family
ID=61324274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720398210.XU Expired - Fee Related CN206890563U (en) | 2017-04-17 | 2017-04-17 | Flue dust isolating construction in stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206890563U (en) |
-
2017
- 2017-04-17 CN CN201720398210.XU patent/CN206890563U/en not_active Expired - Fee Related
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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: 20180116 |