CN204220562U - Venturi type pressurize dry-ice blast device - Google Patents
Venturi type pressurize dry-ice blast device Download PDFInfo
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- CN204220562U CN204220562U CN201420656866.3U CN201420656866U CN204220562U CN 204220562 U CN204220562 U CN 204220562U CN 201420656866 U CN201420656866 U CN 201420656866U CN 204220562 U CN204220562 U CN 204220562U
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Abstract
The utility model is a kind of venturi type pressurize dry-ice blast device, comprises compressed-air actuated high-pressure gas cylinder (2) being housed, the barrel (4) of dry ice particles, Venturi tube (5) being housed; The pressure-reducing valve (3) of high-pressure gas cylinder (2) is connected with Venturi tube (5) by air inlet pipe (8), the outlet valve (10) of barrel (4) is connected with Venturi tube (5) by feed pipe (9), and Venturi tube (5) is connected with spray gun (12) by discharge nozzle (11).Described barrel (4) can adopt double thermal insulation type high-pressure bottle, and about 1MPa gases at high pressure are filled in inside, carries out effective pressurize thus realize long-time preservation to dry ice particles.For realizing portable washing and cleaning operation, be fixed on organism frame (1) by described high-pressure gas cylinder (2) and barrel (4), organism frame (1) is provided with braces (14) and can carries and carry out washing and cleaning operation for a people.The utility model has the advantage that structure is simple, equipment volume is little, easy to use, easy to carry.
Description
Technical field
The utility model relates to a kind of injection apparatus, is specifically related to a kind of venturi type pressurize dry-ice blast device.
Background technology
The dirt washing and cleaning operation in the field such as aircraft industry, shipping industry, war industry adopts sandblasting, shot-peening and solvent clean usually.Sandblasting, shot-peening cleaning method make body surface occur wearing and tearing, and also will carry out refuse process after having cleaned; Solvent clean method then easily produces secondary pollution, pollutes cleaning environment when some special operation.Dry ice blasting cleaning is development in recent years Novel washing technology rapidly, can be widely used in the cleaning of the industry such as machinery, food mould, equipment, and along with the development and improvement of technology, will apply the special washing and cleaning operation of aerospace industries further.
The dry ice cleaning method of current employing mainly produces by carbon dioxide ice maker the solid dry ice particles that diameter is about 3mm; after being mixed with dry ice particles by electronic rotation compressed air, high velocity stream sprays through nozzle and collides the required body surface cleaned; dry ice clashes into dynamic loss of energy and heat energy transmission extremely fast instantaneously makes Fouling surfaces brittle, and dry ice particles is instantaneous by solid-state CO between dirt and body surface
2become gas, volumetric expansion 800 times, departs from body surface by dirt.Existing carbon dioxide ice jet-cleaning device needs to comprise air compressor constantly provides compressed air, complex structure; When dry ice blasting operation, dry ice cannot be preserved for a long time in cleaning machine funnel, uses inconvenience; And equipment volume is comparatively large, lift to move transport is inconvenient.
Summary of the invention
utility model object
The purpose of this utility model is to provide a kind of venturi type pressurize dry-ice blast device, it is a kind of injection apparatus based on venturi principle and the pressurize of high pressure dry ice, can realize that structure is simple, equipment volume is little, easy to use, portable jet cleaning operation, solve the problem that existing carbon dioxide ice jet-cleaning device complex structure, equipment volume are large, use inconvenience, carrying inconvenience.
technical scheme
For achieving the above object, the utility model provides a kind of venturi type pressurize dry-ice blast device, mainly comprises high-pressure gas cylinder, pressure-reducing valve, barrel, outlet valve, Venturi tube, air inlet pipe, feed pipe, discharge nozzle, spray gun; Wherein critical component Venturi tube comprises high-pressure air inlet, dry ice particles entrance, conical contraction section, cylindrical throat, conical diffuser, dry ice particles and gases at high pressure mixed export.
Described high-pressure gas cylinder is built with compressed air, and high-pressure gas cylinder is provided with pressure-reducing valve, and pressure-reducing valve is connected with the high-pressure air inlet of Venturi tube by air inlet pipe; Described barrel is built with dry ice particles, and barrel is provided with outlet valve, and outlet valve is connected with the dry ice particles entrance of Venturi tube by feed pipe; Described high-pressure air inlet and dry ice particles entrance are positioned at conical contraction section one end, and the other end of conical contraction section is connected with gases at high pressure mixed export successively with cylindrical throat, conical diffuser, dry ice particles; The dry ice particles of described Venturi tube is connected with spray gun by discharge nozzle with gases at high pressure mixed export.
Wherein, ring flange a is for connecting air inlet pipe and high-pressure air inlet, and ring flange b is for connecting feed pipe and dry ice particles entrance, and ring flange c is for connecting dry ice particles and gases at high pressure mixed export and discharge nozzle.
Described barrel is double thermal insulation type high-pressure bottle, inner filling high pressure gas.
The pressure of described barrel internal high-pressure gas is 1MPa.
Described barrel internal high-pressure gas is nitrogen.
Described high-pressure gas cylinder and barrel are fixed on organism frame, and organism frame is provided with braces.
beneficial effect
Venturi type pressurize dry-ice blast device described in the utility model, have employed the structure of high-pressure gas cylinder and Venturi tube, the negative pressure ejection dry ice particles utilizing the compressed air in high-pressure gas cylinder and venturi principle to be formed, instead of the air compressor in existing carbon dioxide ice jet-cleaning device, have that structure is simple, equipment volume is little, portable advantage.
Venturi type pressurize dry-ice blast device described in the utility model, have employed double thermal insulation type high-pressure bottle as the barrel that dry ice particles is housed, and effectively can guarantee that dry ice particles can be preserved for a long time in barrel, is convenient to the use in washing and cleaning operation process.
Venturi type pressurize dry-ice blast device described in the utility model, have employed the syndeton of ring flange, effectively can guarantee the fixing of junction and sealing.
The utility model has following apparent advantage:
1. the utility model adopts dry ice as ejection medium, both can not damage object to be cleaned surface, and also can not cause secondary pollution, and have promotion prospect widely in field of aerospace;
2. the utility model have structure simple novel, process easy, esy to use, safe and reliable, can be used for the artificial backpack washing and cleaning operation in space station;
3. the utility model is without the need to any electric power auxiliary power, can realize the on-line cleaning of the shell such as generator, electronic hatch door and fan blade, distribution system;
4. the utility model can be used for the cleaning of the electronic equipment such as microelectronic device, surface-mounted integrated circuit.
Accompanying drawing explanation
Fig. 1 is the utility model dry-ice blast device structural representation.
Fig. 2 is the utility model dry-ice blast device structure side view.
Fig. 3 is the structural representation of Venturi tube.
Wherein, 1, organism frame, 2, high-pressure gas cylinder, 3, pressure-reducing valve, 4, barrel, 5, Venturi tube, 6, ring flange a, 7, ring flange b, 8, air inlet pipe, 9, feed pipe, 10, outlet valve, 11, discharge nozzle, 12, spray gun, 13, ring flange c, 14, braces, 15, high-pressure air inlet, 16, dry ice particles entrance, 17, conical contraction section, 18, cylindrical throat, 19, conical diffuser, 20, dry ice particles and gases at high pressure mixed export.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
The utility model is that a kind of venturi principle that utilizes is to realize the device of dry ice blasting.As shown in Figure 1 and Figure 2, venturi type pressurize dry-ice blast device described in the utility model, mainly comprises high-pressure gas cylinder 2, pressure-reducing valve 3, barrel 4, outlet valve 10, Venturi tube 5, air inlet pipe 8, feed pipe 9, discharge nozzle 11, spray gun 12; Fig. 3 is the structural representation of critical component Venturi tube 5, comprises high-pressure air inlet 15, dry ice particles entrance 16, conical contraction section 17, cylindrical throat 18, conical diffuser 19, dry ice particles and gases at high pressure mixed export 20.
As shown in Figure 1 and Figure 2, high-pressure gas cylinder 2 is built with compressed air, and high-pressure gas cylinder 2 is provided with pressure-reducing valve 3, and pressure-reducing valve 3 is connected with the high-pressure air inlet 15 of Venturi tube 5 by air inlet pipe 8; Barrel 4 is built with dry ice particles, and barrel 4 is provided with outlet valve 10, and outlet valve 10 is connected with the dry ice particles entrance 16 of Venturi tube 5 by feed pipe 9; The dry ice particles of Venturi tube 5 is connected with spray gun 12 by discharge nozzle 11 with gases at high pressure mixed export 20.
As shown in Figure 3, described high-pressure air inlet (15) and dry ice particles entrance (16) are positioned at conical contraction section (17) one end, this end diameter is comparatively large, and the other end of conical contraction section (17) is connected with gases at high pressure mixed export (20) successively with cylindrical throat (18), conical diffuser (19), dry ice particles.Compressed air mixes with the conical contraction section 17 of dry ice particles in Venturi tube 5, successively arrives dry ice particles and gases at high pressure mixed export 20 through cylindrical throat 18, conical diffuser 19.
From Fig. 2 and Fig. 3, ring flange a6 is for connecting air inlet pipe 8 and high-pressure air inlet 15, and ring flange b7 is for connecting feed pipe 9 and dry ice particles entrance 16, and ring flange c13 is for connecting dry ice particles and gases at high pressure mixed export 20 and discharge nozzle 11.
In use, first open the pressure-reducing valve 3 of high-pressure gas cylinder 2, the compressed air in high-pressure gas cylinder 2 arrives spray gun 12 through pressure-reducing valve 3, air inlet pipe 8, Venturi tube 5, discharge nozzle 11; Then spray compressed air by spray gun 12, thus produce negative pressure in Venturi tube 5 and feed pipe 9; Now open the outlet valve 10 of barrel 4, the dry ice particles in barrel 4 arrives spray gun 12 through outlet valve 10, feed pipe 9, Venturi tube 5, discharge nozzle 11 under the effect of negative pressure; Finally spray dry ice particles by spray gun 12, thus treat cleaning of objects and clean.
The utility model is a kind of injection apparatus that can realize the pressurize of high pressure dry ice.As shown in Figure 1, barrel 4 adopts double thermal insulation type high-pressure bottle, and about 1MPa gases at high pressure can be filled in inside, carries out effective pressurize thus realize long-time preservation to dry ice particles.Because barrel 4 is built with dry ice particles and gases at high pressure, the mixture for dry ice particles and gases at high pressure flowed out by outlet valve 10.Gases at high pressure can select nitrogen, economical and effective.
The utility model is applicable to portable washing and cleaning operation.As shown in Figure 1, high-pressure gas cylinder 2 and barrel 4 are fixed on organism frame 1, and organism frame 1 is provided with braces 14 and can carries and carry out washing and cleaning operation for a people.
Above embodiment of the present utility model is explained in detail, above-mentioned embodiment is only optimum embodiment of the present utility model, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (6)
1. a venturi type pressurize dry-ice blast device, comprise barrel (4), outlet valve (10), discharge nozzle (11), spray gun (12), is characterized in that: also comprise high-pressure gas cylinder (2), pressure-reducing valve (3), Venturi tube (5), air inlet pipe (8), feed pipe (9); Described Venturi tube (5) comprises high-pressure air inlet (15), dry ice particles entrance (16), conical contraction section (17), cylindrical throat (18), conical diffuser (19), dry ice particles and gases at high pressure mixed export (20);
Described high-pressure gas cylinder (2) is built with compressed air, high-pressure gas cylinder (2) is provided with pressure-reducing valve (3), and pressure-reducing valve (3) is connected with the high-pressure air inlet (15) of Venturi tube (5) by air inlet pipe (8); Described barrel (4) is built with dry ice particles, barrel (4) is provided with outlet valve (10), and outlet valve (10) is connected with the dry ice particles entrance (16) of Venturi tube (5) by feed pipe (9); Described high-pressure air inlet (15) and dry ice particles entrance (16) are positioned at conical contraction section (17) one end, and the other end of conical contraction section (17) is connected with gases at high pressure mixed export (20) successively with cylindrical throat (18), conical diffuser (19), dry ice particles; The dry ice particles of described Venturi tube (5) is connected with spray gun (12) by discharge nozzle (11) with gases at high pressure mixed export (20).
2. according to venturi type pressurize dry-ice blast device according to claim 1, it is characterized in that: described barrel (4) is double thermal insulation type high-pressure bottle, inner filling high pressure gas.
3. according to venturi type pressurize dry-ice blast device according to claim 2, it is characterized in that: the pressure of described barrel (4) internal high-pressure gas is 1MPa.
4. according to venturi type pressurize dry-ice blast device according to claim 2, it is characterized in that: described barrel (4) internal high-pressure gas is nitrogen.
5. according to the venturi type pressurize dry-ice blast device according to any one of Claims 1-4, it is characterized in that: also comprise organism frame (1) and be arranged on the braces (14) on organism frame (1), described high-pressure gas cylinder (2) and barrel (4) are fixed on described organism frame (1).
6. according to the venturi type pressurize dry-ice blast device according to any one of Claims 1-4, it is characterized in that: also comprise ring flange a (6) for connecting air inlet pipe (8) and high-pressure air inlet (15), ring flange b (7) is for connecting feed pipe (9) and dry ice particles entrance (16), and ring flange c (13) is for connecting dry ice particles and gases at high pressure mixed export (20) and discharge nozzle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656866.3U CN204220562U (en) | 2014-11-05 | 2014-11-05 | Venturi type pressurize dry-ice blast device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420656866.3U CN204220562U (en) | 2014-11-05 | 2014-11-05 | Venturi type pressurize dry-ice blast device |
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| CN204220562U true CN204220562U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420656866.3U Active CN204220562U (en) | 2014-11-05 | 2014-11-05 | Venturi type pressurize dry-ice blast device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325950A (en) * | 2018-03-30 | 2018-07-27 | 厦门维拓科力智能技术有限公司 | A kind of solid carbon dioxide cleaning machine |
| CN111482401A (en) * | 2020-04-26 | 2020-08-04 | 盐城博尔福机电科技发展有限公司 | Cold-hot adjustable high-pressure cleaning machine |
| WO2020169645A1 (en) * | 2019-02-19 | 2020-08-27 | Robel Bahnbaumaschinen Gmbh | Apparatus and method for manually treating a surface with dry ice |
| CN111632950A (en) * | 2020-05-14 | 2020-09-08 | 广东电网有限责任公司 | Dry ice cleaning device |
| DE102017128006B4 (en) | 2017-11-27 | 2024-06-27 | RS-Korrosionsschutz GmbH | Device for storing and supplying a blasting agent for a high-pressure blasting device |
-
2014
- 2014-11-05 CN CN201420656866.3U patent/CN204220562U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017128006B4 (en) | 2017-11-27 | 2024-06-27 | RS-Korrosionsschutz GmbH | Device for storing and supplying a blasting agent for a high-pressure blasting device |
| CN108325950A (en) * | 2018-03-30 | 2018-07-27 | 厦门维拓科力智能技术有限公司 | A kind of solid carbon dioxide cleaning machine |
| CN108325950B (en) * | 2018-03-30 | 2024-02-27 | 厦门维拓科力智能技术有限公司 | Solid carbon dioxide cleaning machine |
| WO2020169645A1 (en) * | 2019-02-19 | 2020-08-27 | Robel Bahnbaumaschinen Gmbh | Apparatus and method for manually treating a surface with dry ice |
| CN111482401A (en) * | 2020-04-26 | 2020-08-04 | 盐城博尔福机电科技发展有限公司 | Cold-hot adjustable high-pressure cleaning machine |
| CN111632950A (en) * | 2020-05-14 | 2020-09-08 | 广东电网有限责任公司 | Dry ice cleaning device |
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