CN213012544U - Spray gun for glass melting furnace - Google Patents
Spray gun for glass melting furnace Download PDFInfo
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- CN213012544U CN213012544U CN202021436984.5U CN202021436984U CN213012544U CN 213012544 U CN213012544 U CN 213012544U CN 202021436984 U CN202021436984 U CN 202021436984U CN 213012544 U CN213012544 U CN 213012544U
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Abstract
The utility model discloses a spray gun for glass melting furnace belongs to glass production facility technical field. Comprises a distributor and a zero-number spray gun which are connected through a pipeline; a coke powder atomization structure is arranged on a pipeline between the distributor and the zero spray gun; the coke powder atomization structure comprises a mixing chamber in the front-back direction, an air inlet pipe arranged at the front end of the mixing chamber in the front-back direction, an air nozzle arranged at the rear end of the air inlet pipe and a feeding hole arranged on the circumferential surface of the front part of the mixing chamber, wherein the rear end of the air inlet pipe extends into the rear part of the mixing chamber; the front part of the mixing chamber is of a cylindrical structure, the rear part of the mixing chamber is of a conical structure with a large front part and a small rear part, and the rear end of the mixing chamber is provided with a discharge hole; the air inlet pipe and the mixing chamber are coaxially arranged, the front end of the air inlet pipe is connected with the compressed air supply structure through a pipeline, the feed inlet is connected with the distributor through a pipeline, and the discharge outlet is connected with the zero-number spray gun through a pipeline. The petroleum coke powder is atomized to improve the combustion effect of the petroleum coke powder, and the length of the flame sprayed out can reach 4 meters.
Description
Technical Field
The utility model belongs to the technical field of glass production equipment, in particular to a spray gun for glass melting furnace.
Background
The glass industry is a high energy consumption industry, the fuel cost accounts for about 30-50% of the glass cost, and the glass melting furnace is the most energy-consuming equipment in the glass production line. The petroleum coke powder is the final product in the petroleum refining process, has small granularity and low price, and can be used as fuel and applied to high energy consumption fields such as glass production and the like.
In the prior art, a zero-number spray gun can be adopted to supply heat to a glass melting furnace by taking petroleum coke powder as fuel. For example, the patent with the application number of CN201921296471.6 discloses a petroleum coke powder supply system for a glass melting furnace, which comprises the glass melting furnace, a first zero spray gun arranged on one side of the glass melting furnace, a second zero spray gun arranged on the other side of the glass melting furnace, a first supply device arranged on the same side of the glass melting furnace as the first zero spray gun, a second supply device arranged on the same side of the glass melting furnace as the second zero spray gun, two groups of distributors respectively connected in the first supply device and the second supply device, and a first communication pipeline and a second communication pipeline connected with the first supply device and the second supply device, wherein the first supply device comprises a first distribution plate, a first small furnace pipeline, a first regulating valve and a first material pipe, one end of the first small furnace pipeline is connected with the first distribution plate, the other end of the first small furnace pipeline is connected with the inlet end of one side of the distributor connected in the first supply device, the outlet end of a distributor connected in the first supply device is connected with a first regulating valve, the first regulating valve is connected with one end of a first material pipe, and the other end of the first material pipe is connected with a first zero spray gun; the second supply device comprises a second distribution disc, a second small furnace pipeline, a second regulating valve and a second material pipe, one end of the second small furnace pipeline is connected with the second distribution disc, the other end of the second small furnace pipeline is connected with the inlet end of one side of a distributor connected in the second supply device, the outlet end of the distributor connected in the second supply device is connected with the second regulating valve, the second regulating valve is connected with one end of the second material pipe, and the other end of the second material pipe is connected with a second zero-number spray gun; one end of the first communication pipeline is connected with the inlet end of the other side of the distributor connected in the second supply device, and the other end of the first communication pipeline is connected with the first distribution disc; one end of the second communication pipeline is connected with the inlet end of the other side of the distributor connected in the first supply device, and the other end of the second communication pipeline is connected with the second distribution disc.
When the applicant burns by using a zero-number spray gun, the combustion effect is not very good, and the flame sprayed by the spray gun is only 2 meters generally.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a spray gun for glass melting furnace atomizes oil coke powder in order to promote its combustion effect. The technical scheme is as follows:
the embodiment of the utility model provides a spray gun for a glass melting furnace, which comprises a distributor and a zero-number spray gun which are connected through a pipeline; a coke powder atomization structure is arranged on a pipeline between the distributor and the zero-number spray gun; the coke powder atomization structure comprises a mixing chamber 1 in the front-back direction, an air inlet pipe 2 arranged at the front end of the mixing chamber 1 in the front-back direction, an air nozzle 3 at the rear end of the air inlet pipe 2 and a feeding hole 4 on the circumferential surface of the front part of the mixing chamber 1, wherein the rear end of the air inlet pipe 2 extends into the rear part of the mixing chamber 1; the front part of the mixing chamber 1 is of a cylindrical structure, the rear part of the mixing chamber is of a conical structure with a large front part and a small rear part, and the rear end of the mixing chamber is provided with a discharge hole 5; the intake pipe 2 and the mixing chamber 1 are coaxially arranged, the front end of the intake pipe is connected with a compressed air supply structure through a pipeline, the feed inlet 4 is connected with a distributor through a pipeline, and the discharge outlet 5 is connected with a zero-number spray gun through a pipeline.
The mixing chamber 1 in the embodiment of the present invention comprises a flange pipe 6, an end plate 7 which is arranged at the front end of the flange pipe 6 and is connected with the flange pipe 6 in a flange manner, and a taper pipe 8 which is arranged at the rear end of the flange pipe 6 and is connected with the flange pipe 6 in a flange manner, wherein sealing rings are arranged between the flange pipe 6 and the end plate 7 and between the flange pipe 6 and the taper pipe 8, the taper pipe 8 is a cone with a large front part and a small rear part, and a discharge port 5 is arranged at the rear end of the taper pipe 8; the air inlet pipe 2 is fixed on an end plate 7, is coaxial with the flange pipe 6, and the rear end of the air inlet pipe extends into the taper pipe 8; the feed inlet 4 is arranged in the middle of the flange pipe 6.
Specifically, the embodiment of the utility model provides an intake pipe 2, feed inlet 4 and discharge gate 5 are the pipe structure, feed inlet 4 is along the radial setting of flange pipe 6, discharge gate 5 and the coaxial setting of intake pipe 2, the internal diameter of feed inlet 4 equals with the internal diameter of discharge gate 5, the internal diameter of intake pipe 2 is less than the internal diameter of discharge gate 5.
Specifically, in the embodiment of the present invention, the inner diameter of the feed port 4 and the inner diameter of the discharge port 5 are both 32mm, and the inner diameter of the air inlet pipe 2 is 20-30 mm; the inner diameter of the flange pipe 6 is 80-100mm, and the length thereof is 175-210 mm; the length of the taper pipe 8 is 60-80 mm.
Specifically, the air nozzle 3 in the embodiment of the present invention is a tapered nozzle with a large front and a small back, the nozzle size is 1/3-2/3 of the inner diameter of the air inlet pipe 2, the taper angle is 30-45 °, and the distance between the air nozzle and the discharge hole 5 is 20-40 mm.
Further, the embodiment of the utility model provides an on the pipeline between feed inlet 4 and the distributor be equipped with first valve 10, the pipeline between intake pipe 2 and the compressed air supply structure is equipped with second valve 11 for metal woven hose and intake pipe 2, pipeline between discharge gate 5 and the No. 5 spray gun is equipped with third valve 12 for metal woven hose and discharge gate 5.
Preferably, the compressed air supply structure in the embodiment of the present invention is an air compressor in the nitrogen separation system.
More preferably, the intake pipe 2 of the embodiment of the present invention is provided with a branch pipe 9, the branch pipe 9 is provided with a fourth valve 13, and the fourth valve is also connected to the compressed air supply structure through a pipeline.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a spray gun for glass melting furnace atomizes the burning effect in order to promote the oil coke powder with the oil coke powder, and its spun flame length can reach 4 meters.
Drawings
Fig. 1 is a schematic structural diagram of a coke powder atomization structure provided by the embodiment of the present invention.
In the figure: 1 mixing chamber, 2 air inlet pipes, 3 air nozzles, 4 feed inlets, 5 discharge outlets, 6 flange pipes, 7 end plates, 8 taper pipes, 9 branch pipes, 10 first valves, 11 second valves, 12 third valves and 13 fourth valves.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a spray gun for a glass melting furnaceIncluding distributor and the zero-number spray gun through the tube coupling, aforementioned structure is unanimous basically with current spray gun structure, and the difference lies in: in this embodiment, the pipeline between the distributor and the zero-number spray gun is provided with a coke powder atomization structure. Wherein, the fine coke atomization structure includes along fore-and-aft mixing chamber 1 (airtight cavity structures), along fore-and-aft to locating mixing chamber 1 front end and rear end and stretch into intake pipe 2, the air nozzle 3 of intake pipe 2 rear end and the feed inlet 4 on the global of mixing chamber 1 front portion in mixing chamber 1 rear portion. Wherein, the front part of the mixing chamber 1 is a cylindrical structure, the rear part thereof is a conical structure with a big front part and a small rear part (coaxially arranged with the cylindrical structure of the front part), and the rear end (positioned at the tip of the conical structure) is provided with a discharge hole 5. The air inlet pipe 2 is arranged coaxially with the mixing chamber 1 and the front end thereof is connected with a compressed air supply structure through a pipeline (the pressure of the supplied compressed air is preferably more than 6 kg/cm)2) The connection is used for atomizing the petroleum coke powder in the mixing chamber 1, the feeding port 4 is connected with the distributor through a pipeline for feeding, and the discharging port 5 is connected with a zero spray gun through a pipeline for spraying the atomized petroleum coke powder at a high speed.
Wherein, refer to fig. 1, mixing chamber 1 in the embodiment of the present invention includes flange pipe 6 along the fore-and-aft setting, flange pipe 6 front end and with flange pipe 6 flange joint's end plate 7 (specifically be the plectane, be equipped with the flange hole on it) and flange pipe 6 rear end and with flange pipe 6 flange joint's taper pipe 8 etc. between flange pipe 6 and the end plate 7 and between flange pipe 6 and taper pipe 8 all be equipped with the sealing washer (specifically be the tetrafluoro gasket, it locates between the corresponding ring flange), taper pipe 8 is big-end-up's circular cone and its rear end are equipped with discharge gate 5. The inlet pipe 2 is fixed to an end plate 7 (central) which is coaxial with the flange pipe 6 and whose rear end extends into the cone 8. The feed port 4 is provided in the middle (on the circumferential surface) of the flange pipe 6.
Specifically, referring to fig. 1, the intake pipe 2, the feed inlet 4, and the discharge port 5 in the embodiment of the present invention are all circular pipe structures (hard metal pipes), the feed inlet 4 and the flange pipe 6 constitute a T-shaped pipe as an integral structure, and the discharge port 5 and the taper pipe 8 constitute an integral structure. The feed inlet 4 is arranged along the radial direction of the flange pipe 6 (the upper side of the flange pipe 6 can be specifically arranged), the discharge port 5 is coaxially arranged with the air inlet pipe 2, the inner diameter of the feed inlet 4 is equal to that of the discharge port 5, and the inner diameter of the air inlet pipe 2 is smaller than that of the discharge port 5.
Specifically, referring to fig. 1, the inner diameter of the feed inlet 4 and the inner diameter of the discharge outlet 5 in the embodiment of the present invention are both 32mm (corresponding to the distributor and the zero-number spray gun), and the inner diameter of the intake pipe 2 is 20-30mm (specifically, 25 mm). The inner diameter of the flange pipe 6 is 80-100mm (89 mm can be specific), and the length thereof is 175-210mm (180 mm can be specific). The length of the taper pipe 8 is 60-80mm (60 mm can be specifically used).
Specifically, referring to fig. 1, the air nozzle 3 in the embodiment of the present invention is a tapered nozzle having a large front and a small rear, and has a nozzle opening size of 1/3 to 2/3 (specifically, 1/2) of the inner diameter of the air inlet pipe 2, a taper angle of 30 to 45 ° (specifically, 35 °), and a distance of 20 to 40mm (specifically, 30 mm) from the discharge opening 5.
Further, referring to fig. 1, the pipeline between the feed inlet 4 and the distributor (which may be the original pipeline, usually a steel wire hose, and the output pressure is 1-2 kg/cm) in the embodiment of the present invention2) Be equipped with first valve 10 and be used for controlling the feeding volume (accessible flange pipe switching, first valve 10 is located on the flange pipe), pipeline between intake pipe 2 and the compressed air supply structure is woven the hose for the metal (pressure is great, the part of being connected with intake pipe 2 at least adopts the metal to weave the hose, other parts can adopt the metal hard tube) and are equipped with second valve 11 on the intake pipe 2 and be used for controlling the air supply volume, pipeline between discharge gate 5 and the No. 5 spray gun is woven the hose for the metal and is equipped with third valve 12 (accessible flange pipe switching on discharge gate 5, third valve 12 is located on the flange pipe) and is used for controlling the feeding volume of No. 5 spray gun.
Preferably, the compressed air supply structure in the embodiment of the present invention is an air compressor in a nitrogen separation system (the air compressor is usually equipped in the process of preparing nitrogen by air separation (nitrogen is used in the process of preparing glass), and can be applied in a plurality of processes for preparing nitrogen, such as a desorption process; the pressure is usually 8kg/cm2On the left and right sides, the compressed air output therefrom is usually dried and is very suitable for use in the present spray gun).
More preferably, the intake pipe 2 of the embodiment of the present invention is provided with a bifurcated pipe 9, and the bifurcated pipe 9 is provided with a fourth valve 13 (normally closed) and is also connected to the compressed air supply structure through a pipeline (metal braided hose). Usually, only one air inlet pipe 2 is used for air inlet, and if the flame of the spray gun needs to be longer (for example, when the temperature is raised), the fourth valve 13 can be opened to use two air inlets.
In the present embodiment, "first", "second", "third", and "fourth" only have a distinguishing function, and have no other special meaning.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A spray gun for a glass melting furnace comprises a distributor and a zero-number spray gun which are connected through a pipeline; the coke powder atomizing device is characterized in that a coke powder atomizing structure is arranged on a pipeline between the distributor and the zero spray gun; the coke powder atomization structure comprises a mixing chamber (1) in the front-back direction, an air inlet pipe (2) which is arranged at the front end of the mixing chamber (1) in the front-back direction, and the rear end of the air inlet pipe extends into the rear part in the mixing chamber (1), an air nozzle (3) at the rear end of the air inlet pipe (2), and a feeding hole (4) on the circumferential surface of the front part of the mixing chamber (1); the front part of the mixing chamber (1) is of a cylindrical structure, the rear part of the mixing chamber is of a conical structure with a large front part and a small rear part, and the rear end of the mixing chamber is provided with a discharge hole (5); the air inlet pipe (2) and the mixing chamber (1) are coaxially arranged, the front end of the air inlet pipe is connected with a compressed air supply structure through a pipeline, the feed port (4) is connected with the distributor through a pipeline, and the discharge port (5) is connected with the zero spray gun through a pipeline.
2. The spray gun for the glass melting furnace according to claim 1, wherein the mixing chamber (1) comprises a flange pipe (6) arranged in the front-back direction, an end plate (7) arranged at the front end of the flange pipe (6) and connected with the flange pipe (6) in a flange mode, and a taper pipe (8) arranged at the rear end of the flange pipe (6) and connected with the flange pipe (6) in a flange mode, sealing rings are arranged between the flange pipe (6) and the end plate (7) and between the flange pipe (6) and the taper pipe (8), the taper pipe (8) is a cone with a large front part and a small rear part, and a discharge hole (5) is arranged at the rear end of the taper pipe; the air inlet pipe (2) is fixed on the end plate (7), is coaxial with the flange pipe (6), and the rear end of the air inlet pipe extends into the taper pipe (8); the feed inlet (4) is arranged in the middle of the flange pipe (6).
3. The spray gun for the glass melting furnace according to claim 2, wherein the air inlet pipe (2), the feed port (4) and the discharge port (5) are all of a round pipe structure, the feed port (4) is arranged along the radial direction of the flange pipe (6), the discharge port (5) and the air inlet pipe (2) are coaxially arranged, the inner diameter of the feed port (4) is equal to that of the discharge port (5), and the inner diameter of the air inlet pipe (2) is smaller than that of the discharge port (5).
4. The lance for a glass melting furnace according to claim 3, characterized in that the inner diameter of the inlet opening (4) and the inner diameter of the outlet opening (5) are both 32mm, and the inner diameter of the inlet pipe (2) is 20-30 mm; the inner diameter of the flange pipe (6) is 80-100mm, and the length of the flange pipe is 175-210 mm; the length of the taper pipe (8) is 60-80 mm.
5. The lance for a glass melting furnace according to claim 4, characterized in that the gas nozzles (3) are cone nozzles with a large front and a small rear, the nozzle size being 1/3-2/3 of the inner diameter of the gas inlet pipe (2), the cone angle being 30-45 °, and the distance from the discharge opening (5) being 20-40 mm.
6. The lance of claim 1, wherein a first valve (10) is provided on the pipe between the inlet port (4) and the distributor, the pipe between the inlet pipe (2) and the compressed air supply structure is a metal woven hose and a second valve (11) is provided on the inlet pipe (2), the pipe between the discharge port (5) and the zero-number lance is a metal woven hose and a third valve (12) is provided on the discharge port (5).
7. The lance of claim 1, wherein the compressed air supply structure is an air compressor in a nitrogen separation system.
8. A lance for a glass melting furnace according to claim 7, characterized in that the inlet pipe (2) is provided with a branch pipe (9), and that the branch pipe (9) is provided with a fourth valve (13) and that it is also connected to a compressed air supply via a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021436984.5U CN213012544U (en) | 2020-07-21 | 2020-07-21 | Spray gun for glass melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021436984.5U CN213012544U (en) | 2020-07-21 | 2020-07-21 | Spray gun for glass melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213012544U true CN213012544U (en) | 2021-04-20 |
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ID=75516980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021436984.5U Active CN213012544U (en) | 2020-07-21 | 2020-07-21 | Spray gun for glass melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213012544U (en) |
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2020
- 2020-07-21 CN CN202021436984.5U patent/CN213012544U/en active Active
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