CN207621998U - Starch station-service back suction is into gas boiler - Google Patents
Starch station-service back suction is into gas boiler Download PDFInfo
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- CN207621998U CN207621998U CN201820470570.0U CN201820470570U CN207621998U CN 207621998 U CN207621998 U CN 207621998U CN 201820470570 U CN201820470570 U CN 201820470570U CN 207621998 U CN207621998 U CN 207621998U
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- Prior art keywords
- air conduction
- conduction pipe
- nozzle body
- gas
- boiler
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Abstract
Starch station-service back suction is into gas boiler,It include the gas generator set gradually along fuel gas transmission direction,Burner,Boiler body,It is provided with pumping cells on the exhaust port of boiler body,The burner includes the nozzle body being connect with the supply mouth of gas generator,It is set on nozzle body by vertical tube,First air conduction pipe of transverse tube composition L-type structure and the second air conduction pipe being set to along fuel gas transmission direction on nozzle body excircle,Vertical tube stretches out outside nozzle body,Transverse tube is coaxially disposed with nozzle body,And transverse tube opening direction is identical as the conveying direction of combustion gas,Nozzle body,The outlet of second air conduction pipe is set in the fuel inlet of boiler body,The vertical tube of first air conduction pipe passes through the second air conduction pipe,It is simple and reasonable,Avoid the escape leakage of combustion gas,The good mixing effect of combustion gas and air,Flameholding.
Description
Technical field
The utility model belongs to starch-making equipment technical field, is related to a kind of boiler, and specifically starch station-service is anti-
It is pumped into gas boiler.
Background technology
Boiler is a kind of energy conversion, inputs combustion gas from burner to boiler, air provides burning for combustion gas must
Must oxygen, and ignited fuel combination by igniter, boiler provides required heat for Starch Production.Existing Starch Production
A kind of fuel inlet of the middle horizontal boiler used is larger, and the nozzle of burner is directly protruding into fuel inlet to be sprayed into boiler
Due to there is gap between the nozzle of burner and the fuel inlet of boiler the escape of combustion gas easily occurs for combustion gas, or even fire
Gas burns in fuel inlet, and degree of danger is high, and on the other hand, fuel gas buring speed is fast, it is necessary to assure has abundance and equal with coal gas
The abundant burning of coal gas can be just better achieved in the air of even contact, prevent the waste of fuel, promote the heat that boiler generates.
Utility model content
To solve problems of the prior art, the utility model provides a kind of starch station-service back suction into gas boiler,
Simple and reasonable, the escape for avoiding combustion gas is revealed, and the mixed effect of combustion gas and air is abundant, flameholding.
The technical solution of the utility model is：
Starch station-service back suction includes gas generator, burner, the pot set gradually along fuel gas transmission direction into gas boiler
Furnace body, it is critical that be provided with pumping cells on the exhaust port of the boiler body, the burner include with
The nozzle body of the supply mouth connection of gas generator is set on nozzle body and forms the first of L-type structure by vertical tube, transverse tube
Air conduction pipe and it is set to the second air conduction pipe on nozzle body excircle along fuel gas transmission direction, the vertical tube is stretched
Delivery nozzle sheet is external, and transverse tube is coaxially disposed with nozzle body, and transverse tube opening direction is identical as the conveying direction of combustion gas, nozzle sheet
The outlet of body, the second air conduction pipe is set in the fuel inlet of boiler body, and the vertical tube of the first air conduction pipe passes through the
Two air conduction pipes.
The second air conduction pipe sleeve is set on nozzle body, and is provided with one on the inner wall of the second air conduction pipe
Second air conduction pipe is divided into one group of drainage channel by component partition board, demarcation strip.
The demarcation strip is arranged along the circumferencial direction circular array of the second air conduction pipe.
The side wall of the riser upper end is in Open architecture, and the conveying side in the open direction and combustion gas of Open architecture
To opposite.
The pumping cells are air-introduced machine.
The utility model has the beneficial effects that：Pumping cells are added on the exhaust port of boiler body, in nozzle body
The first air conduction pipe of upper setting, the second air conduction pipe, the first air conduction pipe are introduced external air by vertical tube, are introduced
Air the axle center of combustion gas is expelled to along the conveying direction of combustion gas by transverse tube；Second air conduction pipe in the outside of nozzle body,
The air of introducing is located at the outside of combustion gas along the conveying direction of combustion gas, and the first air conduction pipe, the second air conduction pipe respectively will
Air leads to the inside and outside of combustion gas, and air is made to wrap up combustion gas, inside and outside for combustion gas provide oxygen simultaneously, convenient for combustion gas
With air uniformly mix and oxygen is sufficient, keep the burning of combustion gas in the boiler more abundant, avoid caused by burning is not clean
Air pollution and because burn it is insufficient caused by tail gas it is unholiness due to be not used to baking operation the case where occur；Pumping is single
Member is evacuated from the exhaust port of boiler body, makes to generate negative pressure in boiler body, make nozzle body, the first air conduction pipe,
The combustion gas of second air conduction pipe and air can smoothly enter in boiler body, ensure that escape leakage does not occur for combustion gas.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the sectional view along A-A of Fig. 1.
In attached drawing, 1, gas generator, 2, boiler body, 3, pumping cells, 4, nozzle body, the 5, first air conduction
Pipe, 51, vertical tube, 52, transverse tube, the 6, second air conduction pipe, 7, demarcation strip.
Specific implementation mode
Starch station-service back suction into gas boiler, include the gas generator 1 set gradually along fuel gas transmission direction, burner,
Boiler body 2, it is important to, pumping cells 3, the burner packet are provided on the exhaust port of the boiler body 2
The nozzle body 4 being connect with the supply mouth of gas generator 1 is included, is set on nozzle body 4 L is formed by vertical tube 51, transverse tube 52
First air conduction pipe 5 of type structure and it is set to the second air conduction on 4 excircle of nozzle body along fuel gas transmission direction
Pipe 6, the vertical tube 51 stretch out outside nozzle body 4, and transverse tube 52 and nozzle body 4 are coaxially disposed, and 52 opening direction of transverse tube with
The conveying direction of combustion gas is identical, and the outlet of nozzle body 4, the second air conduction pipe 6 is set to the fuel inlet of boiler body 2
Interior, the vertical tube 51 of the first air conduction pipe 5 passes through the second air conduction pipe 6.
Specific embodiment, as shown in Figs. 1-2, gas generator 1, burner, boiler body 2, pumping cells 3 are by left-hand
The right side is set gradually, and desulphurization and denitration unit is additionally provided between gas generator 1 and burner, and the first air conduction pipe 5 erects
The side wall of 51 upper end of pipe is in Open architecture, and the open direction of Open architecture and the conveying direction of combustion gas are on the contrary, be specially
51 upper end cross section of vertical tube is U-shaped, and the opening of U-shaped structure is arranged in the left side of vertical tube 51, Open architecture make air be easy to by
It adsorbs in the first air conduction pipe 5, and the setting direction of the opening of the U-shaped upper end of vertical tube 51 meets air in the first air conduction
Mobile performance in pipe 5 makes air more easily suck the first air conduction pipe 5, and abundance is provided to the inside of combustion gas with this
Air.The 1/7-1/5 of 3 diameter of a diameter of nozzle body of first air conduction pipe 4 makes preferably 1/5 in the present embodiment in combustion gas
The heart has sufficient air, contributes to the burning of combustion gas fully thorough.
Second air conduction pipe 6 is set on the excircle of nozzle body 4, and the inner wall of the second air conduction pipe 6 and spray
It is spaced between the outer wall of mouth ontology 4, a component partition board 7 is provided on the inner wall of the second air conduction pipe 6, demarcation strip 7
The excircle of end and nozzle body 3 is connected, demarcation strip 7 by the outer wall of the inner wall of the second air conduction pipe 6 and nozzle body 4 it
Between interval be divided into one group of drainage channel, multiple drainage channels can carry out better guiding function to air, make air
It introduces more uniform.
Preferably, demarcation strip 7 is arranged along the circumferencial direction circular array of the second air conduction pipe 6, i.e., by demarcation strip 7
Uniform drainage channel is formd on the excircle of combustion gas, is further ensured that contact of the combustion gas excircle with air is more equal
It is even.
Preferably, pumping cells 3 are air-introduced machine, and air-introduced machine generates negative pressure by wheel rotation, and then from boiler body 2
Tail gas is extracted in inner cavity, and effect is guided to combustion gas, air, effectively prevent the generation of combustion gas escape phenomenon.
The utility model is related to boiler, the exhaust port by pumping cells 3 in boiler body 2 is evacuated, and is ensured
Combustion gas, air at fuel inlet are pumped down in the cavity of boiler body 2, and the first air conduction pipe 5 is the center for exporting combustion gas
Combustion air is provided, the second air conduction pipe 6 provides combustion air to export the excircle of combustion gas, keeps combustion gas equal with air
Even, sufficient contact, fully burns for combustion gas and provides good condition.
Claims (5)
1. starch station-service back suction into gas boiler, include the gas generator (1) set gradually along fuel gas transmission direction, burner,
Boiler body (2), it is characterised in that：Pumping cells (3) are provided on the exhaust port of the boiler body (2), it is described
Burner include the nozzle body (4) being connect with the supply mouth of gas generator (1), be set on nozzle body (4) by erecting
Pipe (51), transverse tube (52) form the first air conduction pipe (5) of L-type structure and are set to nozzle body along fuel gas transmission direction
(4) the second air conduction pipe (6) on excircle, the vertical tube (51) stretch out nozzle body (4) outside, transverse tube (52) and nozzle
Ontology (4) is coaxially disposed, and transverse tube (52) opening direction is identical as the conveying direction of combustion gas, and nozzle body (4), the second air draw
The outlet of flow tube (6) is set in the fuel inlet of boiler body (2), and the vertical tube (51) of the first air conduction pipe (5) passes through the
Two air conduction pipes (6).
2. starch station-service back suction according to claim 1 is into gas boiler, it is characterised in that：The second air conduction pipe
(6) it is sheathed on nozzle body (4), and is provided with a component partition board (7), demarcation strip on the inner wall of the second air conduction pipe (6)
(7) the second air conduction pipe (6) is divided into one group of drainage channel.
3. starch station-service back suction according to claim 2 is into gas boiler, it is characterised in that：The demarcation strip (7) is along
The circumferencial direction circular array of two air conduction pipes (6) is arranged.
4. starch station-service back suction according to claim 1 is into gas boiler, it is characterised in that：Described vertical tube (51) upper end
Side wall is in Open architecture, and the open direction of Open architecture is opposite with the conveying direction of combustion gas.
5. starch station-service back suction according to claim 1 is into gas boiler, it is characterised in that：The pumping cells (3) are
Air-introduced machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470570.0U CN207621998U (en) | 2018-04-03 | 2018-04-03 | Starch station-service back suction is into gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470570.0U CN207621998U (en) | 2018-04-03 | 2018-04-03 | Starch station-service back suction is into gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621998U true CN207621998U (en) | 2018-07-17 |
Family
ID=62831075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820470570.0U Active CN207621998U (en) | 2018-04-03 | 2018-04-03 | Starch station-service back suction is into gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621998U (en) |
-
2018
- 2018-04-03 CN CN201820470570.0U patent/CN207621998U/en active Active
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