CN206890556U - A kind of coal spout is anti-to return fiery device - Google Patents
A kind of coal spout is anti-to return fiery device Download PDFInfo
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- CN206890556U CN206890556U CN201720789796.2U CN201720789796U CN206890556U CN 206890556 U CN206890556 U CN 206890556U CN 201720789796 U CN201720789796 U CN 201720789796U CN 206890556 U CN206890556 U CN 206890556U
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- fixed block
- coal spout
- coal
- iron pipe
- dividing plate
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Abstract
Fiery device is returned the utility model discloses a kind of coal spout is anti-, including feeder and the feed pipe, coal spout and the burner hearth that are sequentially communicated, the top of feed pipe is provided with charging aperture, electric gate valve is provided between charging aperture and feed pipe；The coal unloading end of feeder is located at the top of charging aperture；Coal spout includes protective layer, thermal insulation layer and iron pipe; connected between protective layer, thermal insulation layer and iron pipe by adhered layer; dividing plate, the first fixed block, the second fixed block and the 3rd fixed block are provided with inside the iron pipe; second fixed block and the 3rd fixed block are located at the top of iron pipe; first fixed block is located at iron pipe bottom; dividing plate is located between the first fixed block and the second fixed block, and dividing plate is provided with fixed seat, and the 3rd fixed block is connected by rotary shaft with spring.This kind of coal spout is anti-to return fiery device, can prevent flue gas from playing a reversed role by baffled in coal spout, protection feeder safety.
Description
Technical field
Pipeline modification equipment technical field is the utility model is related to, specially a kind of coal spout is anti-to return fiery device.
Background technology
When feeder sealing air is lost or furnace pressure is mutated, easily form boiler smoke and play a reversed role situation, feeder is made
Into damage.Traditional coal spout is anti-to return fiery device, is closing electric gate valve behind the door, because valve is not closed completely reality so that return
Fiery protecting effect is unsatisfactory, and traditional coal spout is straight-through, and coal is entered directly into burner hearth by pipeline, is easily made
Into the generation for returning fiery phenomenon, not only in-convenience in use but also easily occurring accident.
Utility model content
The purpose of this utility model is to provide that a kind of coal spout is anti-returns fiery device, to solve existing technological deficiency and not
The technical requirements that can reach.
To achieve the above object, the utility model provides following technical scheme：A kind of coal spout is anti-to return fiery device, and it includes
Feeder (1) and the feed pipe (16) being sequentially communicated, coal spout (4) and burner hearth (5), coal spout (4) are obliquely installed；Feed pipe
(16) top is provided with charging aperture (2), and electric gate valve (3) is provided between charging aperture (2) and feed pipe (16)；Feeder
(1) coal unloading end is located at the top of charging aperture (2)；Coal spout (4) includes protective layer (7), thermal insulation layer (8) and iron pipe (9), protection
Connected by adhered layer between layer (7), thermal insulation layer (8) and iron pipe (9), consolidated inside the iron pipe (9) provided with dividing plate (10), first
Determine block (11), the second fixed block (12) and the 3rd fixed block (13), the second fixed block (12) and the 3rd fixed block (13) are located at iron
Manage at the top of (9), the first fixed block (11) is located at iron pipe (9) bottom, and dividing plate (10) is located at the first fixed block (11) and second and fixed
Between block (12), dividing plate (10) is provided with fixed seat (14), and the 3rd fixed block (13) is connected by rotary shaft with spring (15).
Preferably, described spring (15) one end is fixedly connected with fixed seat (14), and the other end is solid with the 3rd by rotary shaft
Determine block (13) connection, the 3rd fixed block (13) is fixedly connected with iron pipe (9) inwall.
Preferably, described dividing plate (10) one end is fixedly connected by hinge with the second fixed block (12), the other end and first
Fixed block (11) contact connection.
Preferably, the side wall of the burner hearth (5) is provided with connecting seat, and screw, coal spout (4) bottom are provided with inside connecting seat
Outside is provided with screw thread, and coal spout (4) is spirally connected with burner hearth (5) by the connecting seat.
Preferably, the coal spout (4) is detachably connected with feed pipe (16) by connector.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. compared with traditional coal breakage pipe device, a kind of coal spout after improvement prevents that returning fiery device can avoid feeder close
Feng Fengzhong absolutely coal when cause flue gas play a reversed role damage feeder.
2. compared with traditional coal breakage pipe device, a kind of coal spout after improvement prevents that returning fiery device can prevent from transporting in boiler
Flue gas is played a reversed role during row maintenance, influences to overhaul.
Brief description of the drawings
Fig. 1, which is that a kind of coal spout of the utility model is anti-, returns fiery apparatus structure schematic diagram；
Fig. 2, which is that a kind of coal spout of the utility model is anti-, returns fiery device coal spout cross section structure diagram；
Fig. 3, which is that a kind of coal spout of the utility model is anti-, returns fiery device coal spout side structure schematic view；
In figure：1- feeders, 2- charging apertures, 3- electric gate valves, 4- coal spouts, 5- burner hearths, 6- coal charges, 7- protective layers,
8- thermal insulation layers, 9- iron pipes, 10- dividing plates, the fixed blocks of 11- first, the fixed blocks of 12- second, the fixed blocks of 13- the 3rd, 14- fixed seats,
15- springs, 16- feed pipes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of coal spout is anti-to return fiery device, it include to
The coal machine 1 and feed pipe 16 being sequentially communicated, coal spout 4 and burner hearth 5, coal spout 4 are obliquely installed；The top of feed pipe 16 is provided with
Charging aperture 2, electric gate valve 3 is provided between charging aperture 2 and feed pipe 16；The coal unloading end of feeder 1 is upper located at charging aperture 2
Side；Coal spout 4 includes protective layer 7, thermal insulation layer 8 and iron pipe 9, is connected between protective layer 7, thermal insulation layer 8 and iron pipe 9 by adhered layer
Connect, the inside of iron pipe 9 is provided with dividing plate 10, the first fixed block 11, the second fixed block 12 and the 3rd fixed block 13, the second fixed block
12 and the 3rd fixed block 13 be located at the top of iron pipe 9, the first fixed block 11 is located at the bottom of iron pipe 9, and dividing plate 10 is located at the first fixed block
11 and second between fixed block 12, and dividing plate 10 is provided with fixed seat 14, and the 3rd fixed block 13 is connected by rotary shaft with spring 15.
The one end of spring 15 is fixedly connected with fixed seat 14, and the other end is connected by rotary shaft with the 3rd fixed block 13, and the 3rd
Fixed block 13 is fixedly connected with the inwall of iron pipe 9, after coal charge 6 is entered in coal spout 4, deadweight and sealing air by coal charge 6
Pressure, which pushes dividing plate 10 open, makes coal charge 6 enter in burner hearth 5, passes through the self-return of spring 15 in the rear bulkhead 10 of entrance so that coal spout 4
It is interior to be still in closed state.
The one end of dividing plate 10 is fixedly connected by hinge with the second fixed block 12, the other end and the company of contact of the first fixed block 11
Connect, enhanced convenience dividing plate 10 is realized to the disconnection inside coal spout 4.
The left side of burner hearth 5 is provided with connecting seat, is provided with screw inside connecting seat, the bottom outside of coal spout 4 is provided with screw thread, coal spout
4 are cooperated together with burner hearth 5 by screw thread and screw, convenient to coal spout 4 and the disassembly and installation of burner hearth 5, convenient transportation.
Optionally, coal spout 4 adapts to different installation requirements with feed pipe 16 by being detachably connected.
A kind of coal spout of the utility model prevents that return coal charge 6 in fiery device is entered in charging aperture 2 by feeder 1, along
Feed pipe 16 is entered in coal spout 4, and when touching dividing plate 10, dividing plate 10 is opened, and coal charge 6 slides into burner hearth 5 along iron pipe 9
It is interior, after the completion of the addition of coal charge 6, the self-return in the presence of spring 15 of dividing plate 10, the inside of coal spout 4 is disconnected again and being sealed
Close, prevent that return fire causes to damage feeder 1 by coal spout 4 and feed pipe 16.Baffle plate is set in the inwall of coal spout 4, used
Bond pattern is fixed on the iron pipe 9 in coal spout 4, and circular baffle plate is connected with the top of iron pipe 9, using hinge form, when normal
During to coal, pushing baffle plate open by the deadweight and sealing blast of coal charge 6 makes coal charge 6 enter in burner hearth 5, when occurring abnormal as sealed
When wind is lost or the internal pressure of burner hearth 5 increases extremely, baffle plate is closed under furnace pressure effect, plays sealing function, baffle plate and
Dividing plate 10 is used cooperatively, and is made to return fiery phenomenon and is no longer occurred, and then protects the safety of feeder.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of coal spout is anti-to return fiery device, it is characterised in that：It includes feeder (1) and the feed pipe being sequentially communicated
(16), coal spout (4) and burner hearth (5), coal spout (4) are obliquely installed；The top of feed pipe (16) is provided with charging aperture (2), is entering
Electric gate valve (3) is provided between material mouth (2) and feed pipe (16)；The coal unloading end of feeder (1) is upper located at charging aperture (2)
Side；Coal spout (4) includes protective layer (7), thermal insulation layer (8) and iron pipe (9), between protective layer (7), thermal insulation layer (8) and iron pipe (9)
Connected by adhered layer, dividing plate (10), the first fixed block (11), the second fixed block (12) and the are provided with inside the iron pipe (9)
Three fixed blocks (13), the second fixed block (12) and the 3rd fixed block (13) are located at the top of iron pipe (9), and the first fixed block (11) is located at
Iron pipe (9) bottom, dividing plate (10) are located between the first fixed block (11) and the second fixed block (12), and dividing plate (10), which is provided with, to be fixed
Seat (14), the 3rd fixed block (13) are connected by rotary shaft with spring (15).
2. a kind of coal spout according to claim 1 is anti-to return fiery device, it is characterised in that：Described spring (15) one end is with consolidating
Reservation (14) is fixedly connected, and the other end is connected by rotary shaft with the 3rd fixed block (13), the 3rd fixed block (13) and iron pipe (9)
Inwall is fixedly connected.
3. a kind of coal spout according to claim 1 is anti-to return fiery device, it is characterised in that：Described dividing plate (10) one end passes through
Hinge is fixedly connected with the second fixed block (12), and the other end contacts connection with the first fixed block (11).
4. a kind of coal spout according to claim 1 is anti-to return fiery device, it is characterised in that：In the side wall of the burner hearth (5)
Provided with connecting seat, screw is provided with inside connecting seat, coal spout (4) bottom outside is provided with screw thread, and coal spout (4) is logical with burner hearth (5)
The connecting seat is crossed to be spirally connected.
5. a kind of coal spout according to claim 1 is anti-to return fiery device, it is characterised in that：The coal spout (4) and charging
Pipe (16) is detachably connected by connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789796.2U CN206890556U (en) | 2017-07-01 | 2017-07-01 | A kind of coal spout is anti-to return fiery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789796.2U CN206890556U (en) | 2017-07-01 | 2017-07-01 | A kind of coal spout is anti-to return fiery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206890556U true CN206890556U (en) | 2018-01-16 |
Family
ID=61298157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720789796.2U Active CN206890556U (en) | 2017-07-01 | 2017-07-01 | A kind of coal spout is anti-to return fiery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206890556U (en) |
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2017
- 2017-07-01 CN CN201720789796.2U patent/CN206890556U/en active Active
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