CN209524509U - It is a kind of using coal tar as the spray granulation plant of fuel - Google Patents
It is a kind of using coal tar as the spray granulation plant of fuel Download PDFInfo
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- CN209524509U CN209524509U CN201920220246.8U CN201920220246U CN209524509U CN 209524509 U CN209524509 U CN 209524509U CN 201920220246 U CN201920220246 U CN 201920220246U CN 209524509 U CN209524509 U CN 209524509U
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Abstract
The utility model discloses a kind of using coal tar as the spray granulation plant of fuel, including spray gun and incinerator, spray gun are erected on incinerator, and the fuel of spray gun is coal tar；It is provided with smoke outlet at the top of incinerator, incinerator is provided with slurry jet pipe, and slurry jet pipe is located at the top of spray gun；Spray gun is provided with air-fuel mixture chamber, and air-fuel mixture chamber has the outlet for gas mixture to be discharged, and exit is provided with spray piece, and spray on piece offers multiple spray orifices.Since coal tar generates flue gas by lance combustion, by forming smoke outlet at the top of incinerator, the slurry of flue gas rise and fall contacts, slurry forms particle powder by drying, has higher drying efficiency, has higher yield relative to existing heated-air drying, opposite coal gas, electric energy, coal tar has lower cost, and spray gun cost is far below air-heater, largely reduces the cost of mist projection granulating.
Description
Technical field
The utility model relates to spray granulation fields more particularly to a kind of drop using coal tar as the mist projection granulating of fuel
Device.
Background technique
Ceramic Tiles or ceramic wafer production process are as follows: slurry is made by formula ratio in raw material, spray-dried slurry is powder,
Powder is suppressed into green body, glazing after body drying, kiln-firing after aging.Guarantee the color development of glaze when ceramic sintering
Effect, usually using coal gas as fuel, gas-fired generates water and carbon dioxide, influence of both substances to glaze material issuance are very low
Even without influence.The coal gas of ceramics factory chemically reacts in gas generator from coal, and produces a large amount of coal
Tar.Currently, the coal tar that ceramics factory's production water-gas generates is difficult to recycle processing, third party is given after usually being stored
It is handled.
In the prior art, the mist projection granulating in architectural pottery production process is set in granulation tower usually using hot wind as heat source
Air-heater is set, hot wind is from electric heating or the heat of gas-fired, and not only fuel cost is high, and the heat resistance of air-heater
It is required that it is high, production cost is improved, and since the power limit of air-heater affects yield.
Utility model content
The purpose of this utility model is that propose it is a kind of using coal tar as the spray granulation plant of fuel, have it is at low cost,
The big feature of yield.
For this purpose, the utility model uses following technical scheme:
It is a kind of that using coal tar as the spray granulation plant of fuel, including spray gun and incinerator, spray gun are erected on incinerator,
The fuel of spray gun is coal tar；Smoke outlet is provided at the top of incinerator, incinerator is provided with slurry jet pipe, and slurry jet pipe is located at spray
The top of rifle；
Spray gun is provided with air-fuel mixture chamber, and air-fuel mixture chamber has the outlet for gas mixture to be discharged, and exit is set
It is equipped with spray piece, spray on piece offers multiple spray orifices.
Further, spray gun includes outer tube, inner tube and nut, and outer tube is set in outside inner tube, is formed between outer tube and inner tube
Air flue, the side wall of outer tube offer the air inlet being connected with air flue, and the tail end of inner tube is connected with petroleum pipeline；
Air-fuel mixture chamber is located at the front end of inner tube, and air-fuel mixture chamber has the through-hole being connected to air flue；Nut is set in outer
The front end of pipe, nut offer fire output hole, and spray piece is limited between nut and the outlet of air-fuel mixture chamber.
Further, the sum of the area of multiple spray orifices accounts for the 1/8-1/4 of the spray piece gross area.
Further, it sprays piece and spray orifice is circle, the quantity of spray orifice is three, and the diameter for spraying piece is the 4 of injection diameter
Times, three spray orifices are in a center of symmetry to be arranged in spray piece.
Further, inner tube is connect with air-fuel mixture chamber by the conical surface, and through-hole is arranged on the conical surface.
Further, the inner cavity radial section of inner tube and the inner cavity radial section of air-fuel mixture chamber are circle, oil gas
The area of the inner cavity radial section of mixing chamber is 3-5 times of the area of the inner cavity radial section of inner tube.
Further, the exit of air-fuel mixture chamber is provided with limiting stand, and the edge for spraying piece is limited by limiting stand.
Further, incinerator is made of the back taper cylindrical wall on top, the cylindrical wall at middle part and the cone cylindrical wall of lower part, spray
Rifle is arranged in cylindrical wall, bores the bottom setting material-gathering device of cylindrical wall, the top of back taper cylindrical wall shrinks to form smoke outlet；
Slurry jet pipe is arranged in back taper cylindrical wall or cylindrical wall.
Further, spray gun and slurry jet pipe all have multiple, and multiple spray guns are on the sustained height of the circumferential surface of cylindrical wall
It is uniformly distributed, is uniformly distributed on the sustained height of circumferential surface of multiple slurry jet pipes in back taper cylindrical wall or cylindrical wall.
Further, cylindrical wall offers mounting hole, and spray gun is erected at mounting hole and protrudes into incinerator, mounting hole
There are gaps between edge and the outer wall of spray gun.
The utility model has the following beneficial effects:
The heat source of the spray granulation plant of the utility model has lance combustion generation, since coal tar is produced by lance combustion
Raw flue gas, by forming smoke outlet, the slurry contact of flue gas rise and fall at the top of incinerator, slurry forms particle by drying
Powder has higher drying efficiency, has higher yield relative to existing heated-air drying, and opposite coal gas, electric energy, coal tar have more
Low cost, spray gun cost are far below air-heater, largely reduce the cost of mist projection granulating.
When spray gun works, air pours air-fuel mixture chamber from surrounding, can break up the coal tar for entering air-fuel mixture chamber,
Improve the uniformity of air-fuel mixture.The setting of spray piece can further break up gas mixture, improve combustion uniformity.
Detailed description of the invention
Fig. 1 is a kind of using coal tar as the structural representation of the spray granulation plant of fuel of the utility model one embodiment
Figure；
Fig. 2 is the structural schematic diagram of the spray gun of spray granulation plant shown in Fig. 1；
Fig. 3 is the structural schematic diagram of the incinerator of spray granulation plant shown in Fig. 1；
Wherein, spray gun 4, outer tube 41, inner tube 42, spray piece 43, nut 44, air flue 45, air inlet 46, air-fuel mixture chamber 47,
Through-hole 471, fire output hole 441, spray orifice 431, incinerator 5, back taper cylindrical wall 51, cylindrical wall 52, cone cylindrical wall 53, slurry jet pipe
54, material-gathering device 55.
Specific embodiment
With reference to the accompanying drawing and specific embodiment further illustrates the technical solution of the utility model.
As shown in Figure 1-3, the present embodiment is a kind of using coal tar as the spray granulation plant of fuel, including spray gun 4 and burn
Furnace 5 is burnt, gunjet rack 4 is located on incinerator 5, and the fuel of spray gun 4 is coal tar；Smoke outlet, incinerator are provided at the top of incinerator 5
5 are provided with slurry jet pipe 54, and slurry jet pipe 54 is located at the top of spray gun 4；
Spray gun 4 is provided with air-fuel mixture chamber 47, and air-fuel mixture chamber 47 has the outlet for gas mixture to be discharged, outlet
Place is provided with spray piece 43, and spray on piece 43 offers multiple spray orifices 431.
The heat source of the spray granulation plant of the utility model has lance combustion generation, since coal tar is produced by lance combustion
Raw flue gas, by forming smoke outlet, the slurry contact of flue gas rise and fall at the top of incinerator, slurry forms particle by drying
Powder has higher drying efficiency, has higher yield relative to existing heated-air drying, and opposite coal gas, electric energy, coal tar have more
Low cost, spray gun cost are far below air-heater, largely reduce the cost of mist projection granulating.
When spray gun works, air pours air-fuel mixture chamber from surrounding, can break up the coal tar for entering air-fuel mixture chamber,
Improve the uniformity of air-fuel mixture.The setting of spray piece can further break up gas mixture, improve combustion uniformity.
As shown in Fig. 2, outer tube 41 is set in interior specifically, spray gun 4 includes outer tube 41, inner tube 42, spray piece 43 and nut 44
Outside pipe 42, air flue 45 is formed between outer tube 41 and inner tube 42, the side wall of outer tube 41 offers the air inlet being connected with air flue 45
46, the tail end of inner tube 42 is connected with petroleum pipeline 33；
The front end of inner tube 42 has an air-fuel mixture chamber 47, air-fuel mixture chamber 47 have the through-hole 471 that is connected to air flue 45 and
For the outlet of gas mixture to be discharged；Nut 44 is set in the front end of outer tube 41, and nut 44 offers fire output hole 441, sprays piece
43 are limited between nut 44 and the outlet of air-fuel mixture chamber 421.
Coal tar and air mix in air-fuel mixture chamber 47, and then self-spray piece 43 sprays.The setting of air-fuel mixture chamber 47
The space of air-fuel mixture is provided, can be improved the combustion rate of coal tar.Through-hole 471 has multiple, and it is mixed to be evenly distributed on oil gas
The circumferential surface of chamber 47 is closed, so that air pours air-fuel mixture chamber 47 from surrounding, the coal tar for entering air-fuel mixture chamber 47 can be rushed
It dissipates, improves the uniformity of air-fuel mixture.The setting of spray piece 43 can further break up gas mixture, improve combustion uniformity.
Spray piece 43 offers multiple spray orifices 431, and the sum of the area of multiple spray orifices 431 accounts for the 1/8-1/4 of spray 43 gross area of piece.
Spray orifice 431 can improve the pressure in air-fuel mixture chamber 47, improve the rate that gas mixture ejects, moreover it is possible to further increase oil
The uniformity of gas mixing.By limiting spray orifice 431 and spray 43 area ratio of piece, spray orifice 431 and 47 volume of air-fuel mixture chamber are realized
General proportions, guarantee have suitable gas mixture the amount of injection and spray distance.
Spray piece 43 and spray orifice 431 are circle, and the quantity of spray orifice 431 is three, and the diameter of spray piece 43 is the 4 of injection diameter
Times, three spray orifices 431 are in a center of symmetry to be arranged in spray piece 43.Friction of the gas mixture to spray orifice is effectively reduced in circular spray orifice
It influences, improves the service life of spray piece.Spray orifice 431 is arranged suitable quantity and limits the distribution of spray orifice, so that air-fuel mixture
Object has more preferably mixing uniformity and more preferably sprays pressure.
Inner tube 42 is connect with air-fuel mixture chamber 47 by the conical surface, and through-hole 471 is arranged on the conical surface.The conical surface makes 42 end of inner tube
Oil gas is further increased so that coal tar uniformly diffuses into air-fuel mixture chamber from inner tube with 47 smooth excessiveness of air-fuel mixture chamber
The mixed uniformity.
The inner cavity radial section of inner tube 42 and the inner cavity radial section of air-fuel mixture chamber 47 are circle, air-fuel mixture chamber
The area of 47 inner cavity radial section is 3-5 times of the area of the inner cavity radial section of inner tube 47.By limiting inner tube 42 and oil
The ratio between the area of section of gas mixing chamber 47, both ensure that the uniformity of air-fuel mixture, but also coal tar enters air-fuel mixture chamber
Pressure range and range of scatter are reasonable after 47, guarantee there is good mixing uniformity with air.
The exit of air-fuel mixture chamber 47 is provided with limiting stand, and the edge of spray piece 43 is limited by limiting stand.Limiting stand is set
It sets convenient for the installation of spray piece 43, so that spray 43 mounting structure of piece is simple, simplifies the assembling steps of spray gun.
Air inlet 46 prevents air inlet pipe by spout end high temperature shadow close to the tail end of outer tube 41 convenient for the installation of air inlet pipe
It rings.Spray gun 4 have it is multiple, be evenly distributed on the circumferential surface of incinerator 5, guarantee in-furnace temperature it is uniform.
As shown in figure 3, incinerator 5 is by the back taper cylindrical wall 51 on top, the cylindrical wall at middle part 52 and the cone cylindrical wall of lower part
53 compositions, multiple spray guns 4 are arranged in cylindrical wall 52, and material-gathering device 55 is arranged in the bottom of cone cylindrical wall 53.Back taper cylindrical wall 51
Top shrink to form smoke outlet.Back taper cylindrical wall 51 or cylindrical wall 52 are provided with slurry jet pipe, and slurry jet pipe 54 is located at spray gun 4
Top.Since coal tar generates flue gas by the burning of spray gun 4, by forming smoke outlet at the top of incinerator 5, flue gas rise with
The slurry of decline contacts, and slurry forms particle powder by drying, has higher drying efficiency, has more relative to existing heated-air drying
High yield.
Back taper cylindrical wall 51 is formed at incinerator top, forms suction effect to flue gas, the rate of climb of flue gas is improved, to slurry
What material was formed has been sprayed higher impact effect, improves slurry residence time in furnace, the amount of pulp jets can be improved, in turn
Improve output.
Spray gun 4 and slurry jet pipe 54 all have it is multiple, on the sustained height of circumferential surface of multiple spray guns 4 in cylindrical wall 52 uniformly
It is distributed, is uniformly distributed on the sustained height of circumferential surface of multiple slurry jet pipes 54 in back taper cylindrical wall 51 or cylindrical wall 52.
Cylindrical wall 52 offers mounting hole, and spray gun 4 is erected at mounting hole, and mounting hole is slightly larger than the diameter of spray gun 4, is convenient for
Stable gas pressure in furnace is also beneficial to flue gas rising.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (10)
1. a kind of using coal tar as the spray granulation plant of fuel, which is characterized in that including spray gun and incinerator, the gunjet rack
It is located on incinerator, the fuel of the spray gun is coal tar；Smoke outlet, the incinerator setting are provided at the top of the incinerator
There is slurry jet pipe, the slurry jet pipe is located at the top of spray gun；
The spray gun is provided with air-fuel mixture chamber, and the air-fuel mixture chamber has the outlet for gas mixture to be discharged, described
Exit is provided with spray piece, and the spray on piece offers multiple spray orifices.
2. spray granulation plant according to claim 1, which is characterized in that the spray gun includes outer tube, inner tube and nut,
The outer tube is set in outside inner tube, and air flue is formed between the outer tube and inner tube, and the side wall of the outer tube offers and air flue phase
The tail end of the air inlet of connection, said inner tube is connected with petroleum pipeline；
The air-fuel mixture chamber is located at the front end of inner tube, and the air-fuel mixture chamber has the through-hole being connected to air flue；The nut
It is set in the front end of outer tube, the nut offers fire output hole, and the spray piece is limited in the outlet of nut Yu air-fuel mixture chamber
Between.
3. spray granulation plant according to claim 1, which is characterized in that the sum of the area of multiple spray orifices accounts for spray piece
The 1/8-1/4 of the gross area.
4. spray granulation plant according to claim 3, which is characterized in that the spray piece and spray orifice are circle, described
The quantity of spray orifice is three, and the diameter of the spray piece is 4 times of injection diameter, and three spray orifices are in a center of symmetry to be arranged in spray
Piece.
5. spray granulation plant according to claim 2, which is characterized in that said inner tube and air-fuel mixture chamber pass through the conical surface
Connection, the through-hole are arranged on the conical surface.
6. spray granulation plant according to claim 2, which is characterized in that the inner cavity radial section and oil of said inner tube
The inner cavity radial section of gas mixing chamber is circle, and the area of the inner cavity radial section of the air-fuel mixture chamber is the inner cavity of inner tube
3-5 times of the area of radial section.
7. spray granulation plant according to claim 2, which is characterized in that the exit of the air-fuel mixture chamber is provided with
Limiting stand, the edge for spraying piece are limited by limiting stand.
8. spray granulation plant according to claim 1, which is characterized in that the incinerator by top back taper tubular
The cone cylindrical wall of wall, the cylindrical wall at middle part and lower part forms, and the spray gun is arranged in cylindrical wall, the bottom of the cone cylindrical wall
Material-gathering device is set, and the top of the back taper cylindrical wall shrinks to form smoke outlet；
The slurry jet pipe is arranged in back taper cylindrical wall or cylindrical wall.
9. spray granulation plant according to claim 8, which is characterized in that the spray gun and slurry jet pipe all have more
A, multiple spray guns are uniformly distributed on the sustained height of the circumferential surface of cylindrical wall, and multiple slurry jet pipes are in back taper tubular
It is uniformly distributed on the sustained height of wall or the circumferential surface of cylindrical wall.
10. spray granulation plant according to claim 8, which is characterized in that the cylindrical wall offers mounting hole, described
Spray gun is erected at mounting hole and protrudes into incinerator, and there are gaps between the edge of the mounting hole and the outer wall of spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920220246.8U CN209524509U (en) | 2019-02-21 | 2019-02-21 | It is a kind of using coal tar as the spray granulation plant of fuel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920220246.8U CN209524509U (en) | 2019-02-21 | 2019-02-21 | It is a kind of using coal tar as the spray granulation plant of fuel |
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| CN209524509U true CN209524509U (en) | 2019-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159288A1 (en) | 2022-02-23 | 2023-08-31 | Vallourec Tubos Do Brasil Ltda | Fuel-burning lance for burners |
-
2019
- 2019-02-21 CN CN201920220246.8U patent/CN209524509U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023159288A1 (en) | 2022-02-23 | 2023-08-31 | Vallourec Tubos Do Brasil Ltda | Fuel-burning lance for burners |
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