CN108317521B - Spray gun - Google Patents
Spray gun Download PDFInfo
- Publication number
- CN108317521B CN108317521B CN201810432658.8A CN201810432658A CN108317521B CN 108317521 B CN108317521 B CN 108317521B CN 201810432658 A CN201810432658 A CN 201810432658A CN 108317521 B CN108317521 B CN 108317521B
- Authority
- CN
- China
- Prior art keywords
- pipe
- layer pipe
- inner layer
- spray gun
- outer layer
- 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.)
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- 239000007921 spray Substances 0.000 title claims abstract description 42
- 239000011343 solid material Substances 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 48
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005507 spraying Methods 0.000 abstract description 8
- 239000007787 solid Substances 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 20
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 239000002699 waste material Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000606 toothpaste Substances 0.000 description 2
- 229940034610 toothpaste Drugs 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2205/00—Waste feed arrangements
- F23G2205/20—Waste feed arrangements using airblast or pneumatic feeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/20—Feeding/conveying devices
- F23K2203/201—Feeding/conveying devices using pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention relates to the technical field of solid incinerator devices, in particular to a spray gun. The device comprises a conveying pipe, wherein the conveying pipe comprises an inner layer pipe and an outer layer pipe which are sleeved; the left end face of the inner layer pipe is positioned in the outer layer pipe; the inner wall of the inner layer pipe is provided with a split flow block; an annular partition plate is arranged between the inner layer pipe and the outer layer pipe; an air jet pipe is arranged between the inner layer pipe and the outer layer pipe in a penetrating mode, and the left end of the air jet pipe penetrates through the annular partition plate and stretches into the outer layer pipe. According to the spray gun provided by the invention, the scattering effect of solid materials is fully ensured through the dual functions of pneumatic blowing-off of the air spraying pipe and mechanical scattering of the flow distribution block.
Description
Technical Field
The invention relates to the technical field of solid incinerator devices, in particular to a spray gun.
Background
In systems for incinerating hazardous waste, one type of solid waste is crushed and mixed with liquid waste or other liquid materials, and then pressurized into an incinerator by a transfer pump. The waste in the feeding mode is generally in a paste form, and has the characteristics of high pressure, high viscosity and the like. After the waste enters the incinerator, if no scattering measures are taken, the waste cannot be fully combusted due to the fact that the waste is in contact with air, the waste can be gradually accumulated and adhered to form a large-block accumulation shape, and finally the incinerator is blocked, so that the incinerator is required to be shut down for cleaning, and the normal operation of an incineration treatment system is affected.
Meanwhile, the material feeding spray gun of the incinerator is directly inserted into the incinerator in actual use, so that the spray gun can be high in temperature and can be damaged after long-time operation, and the service life of the spray gun is reduced.
Disclosure of Invention
The invention aims to provide a spray gun, which solves the problem that the existing spray gun cannot break up solid materials passing through the spray gun.
The invention aims at realizing the following technical scheme:
a spray gun comprising a feed delivery tube comprising a nested inner tube and an outer tube; the left end face of the inner layer pipe is positioned in the outer layer pipe; the inner wall of the inner layer pipe is provided with a split flow block; an annular partition plate is arranged between the inner layer pipe and the outer layer pipe; an air jet pipe is arranged between the inner layer pipe and the outer layer pipe in a penetrating mode, and the left end of the air jet pipe penetrates through the annular partition plate and stretches into the outer layer pipe.
Further, the number of the air injection pipes is multiple, and the plurality of air injection pipes are arranged at the lower part of the annular partition plate and are distributed at intervals along the circumferential direction of the annular partition plate.
Further, the air jet pipe comprises a first air jet pipe located right below the inner layer pipe and second air jet pipes distributed on two sides of the first air jet pipe, the jet direction of the first air jet pipe is along the central axis direction of the inner layer pipe, and a certain included angle is formed between the jet direction of the second air jet pipe and the axial direction of the inner layer pipe.
Further, the number of the flow dividing blocks is multiple, and the multiple flow dividing blocks are all arranged on the inner wall of the bottom of the inner layer pipe.
Further, the outer wall of the outer layer tube is provided with cooling fins.
Further, the number of the radiating fins is plural, and the plurality of radiating fins are uniformly arranged along the circumferential direction of the outer layer tube.
Further, a cooling air pipe is sleeved outside the outer layer pipe; a cooling air inlet is formed in the cooling air pipe, and a cooling air channel is formed between the outer layer pipe and the cooling air pipe; the right end of the cooling air channel is closed.
Furthermore, the outer side of the cooling air pipe is provided with an anti-corrosion coating.
Furthermore, the outside of the cooling air pipe is sleeved with an embedded part pipe; the right end of the embedded part pipe is connected with the cooling air pipe through a bolt.
Furthermore, the right end of the inner layer pipe is provided with a connecting flange.
Compared with the prior art, the invention has the following advantages:
1. the spray gun comprises a conveying pipe, wherein the conveying pipe comprises an inner layer pipe and an outer layer pipe which are sleeved; the left end face of the inner layer pipe is positioned in the outer layer pipe; the inner wall of the inner layer pipe is provided with a split flow block; an annular partition plate is arranged between the inner layer pipe and the outer layer pipe; an air ejector tube is arranged between the inner layer tube and the outer layer tube in a penetrating way, and the left end of the air ejector tube penetrates through the annular partition plate and stretches into the outer layer tube; when the solid material of the inner layer pipe passes through the inner layer pipe, the solid material is mechanically scattered by the flow dividing block; meanwhile, high-pressure gas is introduced into the gas spraying pipe, and the solid materials discharged from the inner layer pipe are blown away pneumatically by using the high-pressure gas; the scattering effect of the solid materials can be fully ensured through the double functions of pneumatic blowing and mechanical scattering; according to the invention, the solid materials are scattered, so that the solid materials are prevented from being in a toothpaste squeezing shape, the solid materials are prevented from being accumulated and blocked in the incinerator, meanwhile, the solid materials are scattered to be in a fine block shape, the contact area of the solid materials and air is enlarged, the complete combustion of the solid materials is promoted, and the burnout time of the solid materials is shortened.
2. The air ejector comprises a first air ejector pipe and second air ejectors, wherein the first air ejector pipe is positioned right below the inner layer pipe, the second air ejectors are distributed on two sides of the first air ejector pipe, the jet direction of the first air ejector pipe is along the central axis direction of the inner layer pipe, and a certain included angle is formed between the jet direction of the second air ejector pipe and the axial direction of the inner layer pipe; the structure is arranged, so that the flow direction of high-pressure gas discharged by the gas spraying pipe and the advancing direction of the material form a certain included angle, the solid material is easy to disperse in a fan-shaped divergent manner, and the blowing effect is improved; meanwhile, because of gravity, the solid materials can fall down to the bottom of the outer layer pipe after being discharged from the inner layer pipe, so that the outlet direction of the first air jet pipe right below the inner layer pipe is right opposite to the solid materials in the central axis direction of the inner layer pipe, and the blowing-off effect is good.
3. The cooling air pipe is sleeved outside the outer layer pipe; a cooling air inlet is formed in the cooling air pipe, and a cooling air channel is formed between the outer layer pipe and the cooling air pipe; the right end of the cooling air channel is closed; according to the invention, cooling air is introduced into the cooling air channel through the cooling air inlet to cool the spray gun, so that the spray gun is prevented from being excessively high in temperature.
Drawings
FIG. 1 is a block diagram (front view) of a spray gun according to the present invention;
FIG. 2 is a cross-sectional view of the direction of FIG. 1 A-A;
in the figure: the device comprises a 1-gas spraying pipe, a 101-first gas spraying pipe, a 102-second gas spraying pipe, a 2-annular partition plate, a 3-inner layer pipe, a 4-split block, a 5-outer layer pipe, 6-cooling fins, 7-cooling air channels, 8-cooling air pipes, 9-buried piece pipes, 10-connecting flanges and 11-cooling air inlets.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 and 2, a spray gun comprises a feed pipe comprising an inner pipe 3 and an outer pipe 5 which are nested; the left end face of the inner layer pipe is positioned in the outer layer pipe; the inner wall of the inner pipe is provided with a split block 4; an annular partition plate 2 is arranged between the inner layer pipe and the outer layer pipe; an air jet pipe 1 is arranged between the inner layer pipe and the outer layer pipe in a penetrating way, and the left end of the air jet pipe penetrates through the annular partition plate and stretches into the outer layer pipe; when the solid material of the inner layer pipe passes through the inner layer pipe, the solid material is mechanically scattered by the flow dividing block; meanwhile, high-pressure gas is introduced into the gas spraying pipe, and the solid materials discharged from the inner layer pipe are blown away pneumatically by using the high-pressure gas; the scattering effect of the solid materials can be fully ensured through the double functions of pneumatic blowing and mechanical scattering; according to the invention, the solid materials are scattered, so that the solid materials are prevented from being in a toothpaste squeezing shape, the solid materials are prevented from being accumulated and blocked in the incinerator, meanwhile, the solid materials are scattered to be in a fine block shape, the contact area of the solid materials and air is enlarged, the complete combustion of the solid materials is promoted, and the burnout time of the solid materials is shortened.
Referring to fig. 1 and 2, the number of the air injection pipes is plural, and the plurality of the air injection pipes are arranged at the lower part of the annular partition plate and are distributed at intervals along the circumferential direction of the annular partition plate; and a plurality of air ejector pipes are arranged, so that high-pressure air is blown to solid materials from different directions, and the blowing-off effect is improved.
Referring to fig. 1 and 2, the gas injection tube of the present invention includes a first gas injection tube 101 located directly below the inner tube, and second gas injection tubes 102 distributed on two sides of the first gas injection tube, where the injection direction of the first gas injection tube is along the central axis direction of the inner tube, and the injection direction of the second gas injection tube forms a certain included angle with the axial direction of the inner tube; the structure is arranged, so that the flow direction of high-pressure gas discharged by the gas spraying pipe and the advancing direction of the material form a certain included angle, the solid material is easy to disperse in a fan-shaped divergent manner, and the blowing effect is improved; meanwhile, because of gravity, the solid materials can fall down to the bottom of the outer layer pipe after being discharged from the inner layer pipe, so that the outlet direction of the first air jet pipe right below the inner layer pipe is right opposite to the solid materials in the central axis direction of the inner layer pipe, and the blowing-off effect is good.
Referring to fig. 1 and 2, the number of the flow dividing blocks is multiple, and the plurality of the flow dividing blocks are all arranged on the inner wall of the bottom of the inner layer pipe; the plurality of the flow dividing blocks are arranged, so that the dispersing effect of mechanical scattering can be improved.
Referring to fig. 1 and 2, the outer wall of the outer tube is provided with cooling fins 6; the heat radiating fin is arranged to be beneficial to heat radiation of the spray gun, reduce the temperature of the spray gun and prevent the temperature of the spray gun from being too high.
Referring to fig. 1 and 2, the number of the radiating fins is plural, and the plurality of radiating fins are uniformly arranged along the circumferential direction of the outer layer tube; the radiator fins which are uniformly arranged are arranged, so that the uniform heat dissipation of the spray gun is ensured, the uneven temperature distribution of the spray gun is prevented, the uneven expansion is caused, and the spray gun is damaged.
Referring to fig. 1 and 2, a cooling air pipe 8 is sleeved outside the outer pipe; a cooling air inlet 11 is formed in the cooling air pipe, and a cooling air channel 7 is formed between the outer layer pipe and the cooling air pipe; the right end of the cooling air channel is closed; according to the invention, cooling air is introduced into the cooling air channel through the cooling air inlet to cool the spray gun, so that the spray gun is prevented from being excessively high in temperature; meanwhile, because the spray gun is required to extend into the incinerator during operation, the incinerator is filled with air flow of the carrier solid materials, and the cooling air pipe can protect the internal components of the spray gun from impact.
Referring to fig. 1 and 2, an anti-corrosion coating is arranged on the outer side of the cooling air pipe; because the spray gun during operation need stretch into in the burning furnace, contain high temperature flue gas and other corrosive gas in the burning furnace, anticorrosive coating is paintd to the cooling tuber pipe outward, can be better the inside subassembly of protection spray gun.
Referring to fig. 1 and 2, the outside of the cooling air pipe is sleeved with a buried pipe 9; the right end of the embedded part pipe is connected with the cooling air pipe through a bolt; designing the embedded part pipe which is arranged separately from the inner assembly of the spray gun; can be when building the incinerator, with the buries a pipe pre-buried in the position of incinerator installation spray gun, after the incinerator is built, penetrate spray gun inner assembly buries a pipe in, and in the buries a pipe and passes through the bolt fastening for spray gun installation, dismantlement are convenient.
Referring to fig. 1 and 2, the right end of the inner pipe is provided with a connecting flange 10; the connecting flange is used for being connected with the solid material supply device.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. A spray gun, characterized in that: the device comprises a conveying pipe, wherein the conveying pipe comprises an inner layer pipe and an outer layer pipe which are sleeved; the left end face of the inner layer pipe is positioned in the outer layer pipe; the inner wall of the inner layer pipe is provided with a flow dividing block, and the solid material of the inner layer pipe is mechanically dispersed by the flow dividing block when passing through the inner layer pipe; an annular partition plate is arranged between the inner layer pipe and the outer layer pipe; an air ejector tube is arranged between the inner layer tube and the outer layer tube in a penetrating way, and the left end of the air ejector tube penetrates through the annular partition plate and stretches into the outer layer tube; the air jet pipe comprises a first air jet pipe located right below the inner layer pipe and second air jet pipes distributed on two sides of the first air jet pipe, the jet direction of the first air jet pipe is along the central axis direction of the inner layer pipe, and a certain included angle is formed between the jet direction of the second air jet pipe and the axial direction of the inner layer pipe.
2. The spray gun of claim 1 wherein: the number of the air ejector pipes is multiple, and the air ejector pipes are arranged at the lower part of the annular partition plate and are distributed at intervals along the circumferential direction of the annular partition plate.
3. The spray gun of claim 1 wherein: the number of the flow dividing blocks is multiple, and the flow dividing blocks are all arranged on the inner wall of the bottom of the inner layer pipe.
4. The spray gun of claim 1 wherein: and the outer wall of the outer layer tube is provided with cooling fins.
5. The spray gun of claim 4 wherein: the number of the radiating fins is multiple, and the radiating fins are uniformly distributed along the circumferential direction of the outer layer tube.
6. The spray gun of claim 1 wherein: the outer side of the outer layer pipe is sleeved with a cooling air pipe; a cooling air inlet is formed in the cooling air pipe, and a cooling air channel is formed between the outer layer pipe and the cooling air pipe; the right end of the cooling air channel is closed.
7. The spray gun of claim 6 wherein: and an anti-corrosion coating is arranged on the outer side of the cooling air pipe.
8. The spray gun of claim 6 wherein: the outside of the cooling air pipe is sleeved with a buried pipe; the right end of the embedded part pipe is connected with the cooling air pipe through a bolt.
9. The spray gun of any one of claims 1-8, wherein: and the right end of the inner layer pipe is provided with a connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432658.8A CN108317521B (en) | 2018-05-08 | 2018-05-08 | Spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432658.8A CN108317521B (en) | 2018-05-08 | 2018-05-08 | Spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108317521A CN108317521A (en) | 2018-07-24 |
| CN108317521B true CN108317521B (en) | 2023-12-15 |
Family
ID=62895625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432658.8A Active CN108317521B (en) | 2018-05-08 | 2018-05-08 | Spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317521B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520288A (en) * | 2018-12-18 | 2019-03-26 | 碎得机械(北京)有限公司 | A kind of spray gun device of continuous-feeding |
| CN117102040A (en) * | 2023-10-25 | 2023-11-24 | 碎得机械(常州)有限公司 | Air quantity regulating valve and air quantity adjustable air duct |
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| JPH1182992A (en) * | 1997-09-05 | 1999-03-26 | Hitachi Ltd | Clogging prevention method of fuel feed nozzle in emergency shutdown of fluidized bed boiler, and fuel feed nozzle |
| US6119607A (en) * | 1997-05-09 | 2000-09-19 | Corporation De L'ecole Polytechnique | Granular bed process for thermally treating solid waste in a flame |
| CN201900063U (en) * | 2010-09-29 | 2011-07-20 | 中国石油化工股份有限公司 | Bubble atomizing nozzle |
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| WO2017197986A1 (en) * | 2016-05-16 | 2017-11-23 | 中国恩菲工程技术有限公司 | Spray gun for side-submerged combustion smelting apparatus |
| CN208269150U (en) * | 2018-05-08 | 2018-12-21 | 碎得机械(北京)有限公司 | A kind of spray gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7303388B2 (en) * | 2004-07-01 | 2007-12-04 | Air Products And Chemicals, Inc. | Staged combustion system with ignition-assisted fuel lances |
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|---|---|---|---|---|
| US5714113A (en) * | 1994-08-29 | 1998-02-03 | American Combustion, Inc. | Apparatus for electric steelmaking |
| US6119607A (en) * | 1997-05-09 | 2000-09-19 | Corporation De L'ecole Polytechnique | Granular bed process for thermally treating solid waste in a flame |
| JPH1182992A (en) * | 1997-09-05 | 1999-03-26 | Hitachi Ltd | Clogging prevention method of fuel feed nozzle in emergency shutdown of fluidized bed boiler, and fuel feed nozzle |
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| CN203927939U (en) * | 2014-06-11 | 2014-11-05 | 镇江新宇固体废物处置有限公司 | Dual firing chamber's waste liquid combined feed device |
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| CN208269150U (en) * | 2018-05-08 | 2018-12-21 | 碎得机械(北京)有限公司 | A kind of spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108317521A (en) | 2018-07-24 |
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