CN209998992U - liquid carbon dioxide cleaning equipment - Google Patents
liquid carbon dioxide cleaning equipment Download PDFInfo
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- CN209998992U CN209998992U CN201920875342.6U CN201920875342U CN209998992U CN 209998992 U CN209998992 U CN 209998992U CN 201920875342 U CN201920875342 U CN 201920875342U CN 209998992 U CN209998992 U CN 209998992U
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- carbon dioxide
- liquid carbon
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- heating pipe
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Abstract
The utility model relates to an liquid carbon dioxide cleaning equipment, which comprises an outer shell, be equipped with liquid carbon dioxide return circuit and compressed air return circuit in the shell, be equipped with liquid carbon dioxide input port and compressed air input port on the shell, liquid carbon dioxide input port connection liquid carbon dioxide return circuit, the liquid carbon dioxide input port passes through tube coupling gas accuse relief valve, gas accuse relief valve connects flow control valve, flow control valve's output links to each other with capillary end, the capillary is end connection spray gun in addition, compressed air input port connection compressed air return circuit, the output of compressed air input port divide into two the tunnel, way connection gas accuse relief valve, way connection atmospheric pressure display meter in addition, be provided with atmospheric pressure adjust knob on the atmospheric pressure display meter, the atmospheric pressure display meter passes through the tube coupling heating pipe, pneumatic solenoid valve is connected to the heating pipe end in addition, pneumatic solenoid valve connects the spray gun, the utility model discloses can.
Description
[ technical field ]
The utility model belongs to the technical field of the cleaning equipment technique and specifically relates to liquid carbon dioxide cleaning equipment.
[ background art ]
In the high precision electronic or optical module industry, small particle attachments, fingerprints, oil stains and the like are easily generated on the surface of a chip or an optical lens, and the product yield is directly determined by the cleanliness of the product, so that cleaning equipment is required to clean and remove dust.
(1) The traditional dry ice cleaning machine is characterized in that solid dry ice is crushed into dry ice particles with the particle size of 3-5mm, then compressed air is mixed to spray the dry ice particles, the dry ice particles with the size have definite cleaning effect on oil stains or large-particle dust, so the dry ice cleaning machine is mostly used in the fields of molds, automobile engines and the like.
(2) Centrifugal water washing: the high-pressure gas fluid and the liquid fluid, generally nitrogen and high-purity water, are used for ejecting the two fluids at supersonic speed through a high-pressure nozzle, meanwhile, a workpiece to be cleaned is arranged on a high-speed rotating disc, and the cleaning liquid is ejected onto the workpiece rotating at high speed and is immediately disintegrated to form a powerful cleaning effect. The centrifugal water washing has poor cleaning effect on particles of 5-10 microns, and simultaneously, a large amount of high-purity water is consumed for cleaning, so that resources are wasted; the water stain can not be completely removed by centrifugal dehydration, so that the baking treatment is needed, and after the baking treatment, the watermark trace is easy to remain, and the light emitting or imaging effect of the lens is influenced.
[ contents of utility model ]
The utility model aims at solving foretell not enough and providing kinds of liquid carbon dioxide cleaning equipment, can form micron order dry ice particle, can be used to wash 5-50 micron granule, dirty point, fingerprint etc. and do not have the consumption of a large amount of high-purity water or solid dry ice, practiced thrift the cost.
The liquid carbon dioxide cleaning equipment is designed to achieve the purpose, and comprises an air pressure display meter 1, a pneumatic control safety valve 2, an air pressure adjusting knob 3, a capillary tube 4, a spray gun 5, a heating pipe 6, a pneumatic electromagnetic valve 7, a touch screen 8, a flow regulating valve 9, a heating pipe temperature control 10, a power switch 11 and a shell 12, wherein a liquid carbon dioxide loop and a compressed air loop are arranged in the shell 12, the left side wall of the shell 12 is provided with the air pressure display meter 1, the air pressure adjusting knob 3, the touch screen 8, the flow regulating valve 9, the heating pipe temperature control 10 and the power switch 11, the right side wall of the shell 12 is provided with a liquid carbon dioxide input port and a compressed air input port, the liquid carbon dioxide input port is connected with the liquid carbon dioxide loop, the pneumatic control safety valve 2 and the flow regulating valve 9 are connected in series in the liquid carbon dioxide loop, the pneumatic control safety valve 2 is connected with the pneumatic control safety valve 2 through a pipeline, the output end of the flow regulating valve 9 is connected with the capillary tube 4 end, the other end of the capillary tube 4 is connected with the spray gun 5, the compressed air input port is connected with the compressed air loop, the compressed air loop is provided with the pneumatic control safety valve 2, the pneumatic control safety valve 7, the pneumatic control air heating pipe 7 is connected with the pneumatic heating pipe 7, the pneumatic control knob 7 is connected with the pneumatic heating pipe 3, the pneumatic control knob, the pneumatic heating pipe temperature regulating knob, the pneumatic control knob 7 is connected with the pneumatic control safety valve 54, the pneumatic heating pipe 7.
, the touch screen 8 is connected with the power switch 11 through a circuit, and a carbon dioxide start key and a compressed gas start key are arranged on the touch screen 8.
, the inner diameter of the pipeline between the pneumatic control safety valve 2 and the flow regulating valve 9 is gradually reduced from the input end to the output end to increase the pressure of the liquid carbon dioxide.
step by step, be equipped with flow sensor in the liquid carbon dioxide return circuit, flow sensor is used for monitoring liquid carbon dioxide flow, be equipped with pressure sensor in the compressed air return circuit, pressure sensor is used for monitoring compressed gas pressure, flow sensor, pressure sensor are respectively through line connection touch-control screen 8, touch-control screen 8 is through the line connection alarm.
, a two-position three-way valve 13 is arranged on a pipeline between the compressed air input port and the pneumatic control safety valve 2, and a pressure stabilizing valve 14 is arranged on a pipeline between the compressed air input port and the heating pipe 6.
Compared with the prior art, the utility model, have following advantage:
(1) the high-pressure liquid carbon dioxide of the utility model is decompressed and cooled through the process of throttling and expanding, thereby micron-sized dry ice particles can be formed;
(2) the utility model can control the size of the ejected dry ice particles by controlling the inner diameter size and the length of the capillary tube;
(3) the dry ice particles with the diameter of 20-100 microns can be formed by the equipment of the utility model, so that the equipment can be used for cleaning particles, dirty spots, fingerprints and the like with the diameter of 5-50 microns;
(4) the utility model takes the compressed gas as the boosting gas, increases the kinetic energy of the dry ice particles sprayed on the surface of the product, and can effectively remove the condensed water formed by sublimation of the dry ice after being heated by the heating pipeline;
(5) the utility model has no consumption of a large amount of high-purity water or solid dry ice, thereby saving the cost;
(6) because liquid carbon dioxide accessible industrial tail gas or combustion gas obtain after filtering the compression, thereby the utility model discloses manufacturing cost is lower.
[ description of the drawings ]
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of the present invention;
in the figure: 1. the device comprises an air pressure display meter 2, an air control safety valve 3, an air pressure adjusting knob 4, a capillary tube 5, a spray gun 6, a heating pipe 7, a pneumatic electromagnetic valve 8, a touch screen 9, a flow adjusting valve 10, a heating pipe temperature control 11, a power switch 12, a shell 13, a two-position three-way valve 14 and a pressure stabilizing valve.
[ detailed description of the invention ]
The utility model is further explained in with the following figures:
as shown in the drawings, the utility model discloses an air pressure display table 1, gas accuse relief valve 2, atmospheric pressure adjust knob 3, capillary 4, spray gun 5, heating pipe 6, pneumatic solenoid valve 7, touch screen 8, flow control valve 9, heating pipe control by temperature change 10, switch 11, shell 12, be equipped with liquid carbon dioxide return circuit and compressed air return circuit in the shell 12, be provided with air pressure display table 1 on the shell 12 left side wall, air pressure adjust knob 3, touch screen 8, flow control valve 9, heating pipe control by temperature change 10, switch 11, set up liquid carbon dioxide input port and compressed air input port on the shell 12 right side wall, liquid carbon dioxide input port connects liquid carbon dioxide return circuit, there is gas accuse relief valve 2 in the liquid carbon dioxide return circuit, liquid carbon dioxide input port connects gas accuse relief valve 2 through the pipeline, gas accuse relief valve 2 connects flow control valve 9 through the pipeline, the output of flow control valve 9 links to capillary 4 end, capillary 4 connects spray gun 5 in addition end, compressed air input port connects compressed air return circuit, be equipped with heating pipe 6 in the compressed air return circuit, pneumatic safety valve 7, pneumatic output of pneumatic input port is divided into two ways , the pipeline connects pneumatic relief valve for the air pressure control valve to connect the pneumatic pressure adjust knob to connect the pneumatic solenoid valve through the pipeline, the pneumatic solenoid valve to connect the pneumatic solenoid valve to connect the pneumatic solenoid valve 2, the pneumatic solenoid valve to connect the pneumatic solenoid valve to the pneumatic switch on the pneumatic solenoid valve, the pneumatic solenoid valve to connect the pneumatic solenoid valve, the pneumatic solenoid valve to connect.
The inner diameter of a pipeline between the pneumatic control safety valve 2 and the flow regulating valve 9 is gradually reduced from the input end to the output end so as to improve the pressure of the liquid carbon dioxide; be equipped with flow sensor in the liquid carbon dioxide return circuit, flow sensor is used for monitoring liquid carbon dioxide flow, be equipped with pressure sensor in the compressed air return circuit, pressure sensor is used for monitoring compressed gas pressure, flow sensor, pressure sensor is respectively through line connection touch screen 8, touch screen 8 passes through the line connection alarm, therefore, to compressed gas pressure and liquid carbon dioxide flow, respectively through pressure sensor and flow sensor monitoring, if be less than or surpass reasonable interval, the sensor feeds back the signal to the touch screen, touch screen output alarm signal and demonstration correspond the trouble. A two-position three-way valve 13 is arranged on a pipeline between the compressed air input port and the pneumatic control safety valve 2, and a pressure stabilizing valve 14 is arranged on a pipeline between the compressed air input port and the heating pipe 6.
The utility model discloses a, the high pressure liquid carbon dioxide of outside and compressed gas divide two the way to insert, gas accuse relief valves are established ties in the liquid carbon dioxide return circuit, the switch of relief valve is controlled by compressed gas, just can the closed switch when compressed gas inserts, through liquid carbon dioxide, otherwise close the return circuit, the relief valve export pipeline internal diameter diminishes, in order to improve liquid carbon dioxide pressure, then flow to adjusting the needle valve, control the size of carbon dioxide flow, insert fixed length and capillary of internal diameter finally, liquid carbon dioxide adiabatically expands in the capillary, form the process of step-down cooling, finally become the solid dry ice particle of diameter at 20-100 microns, jet out by the spray gun, divide into two the way after compressed gas inserts, way is connected gas accuse valve, in order to control whether liquid carbon dioxide switches on, way through the pressure control table, can show atmospheric pressure size and adjust, then pass through the heating pipe, heat the gas to constant temperature, because like compressed gas releases the pressure in-process, can be along with the cooling process, then through the break-break of solenoid valve control compressed gas, compressed gas after the final blowout has two points effects, is the compressed gas after the promotion, the promotion of the dry ice particle is the promotion, it can be in the easy condensed water of the dry ice of the compressed gas heating.
In the liquid carbon dioxide cleaning equipment of the utility model, the high-pressure liquid carbon dioxide is decompressed and cooled through the process of throttling and expanding to form micron-sized dry ice particles; controlling the size of the ejected dry ice particles by controlling the inner diameter size and the length of the capillary; compressed gas is used as boosting gas, kinetic energy of the dry ice particles sprayed to the surface of a product is increased, and meanwhile, condensed water formed by sublimation of the dry ice can be effectively removed after the dry ice particles are heated through the heating pipeline.
When the device is used, the external liquid carbon dioxide and the compressed gas source are connected respectively, the power switch is closed, and the touch screen displays three interfaces of carbon dioxide control, compressed gas control and dry ice and gas mixed control respectively. A carbon dioxide key is started on the touch screen, liquid carbon dioxide flows into the loop, and forms dry ice particles after being throttled and expanded by a capillary tube to be ejected by a spray gun, and the flow control valve can adjust the flow of the dry ice particles; the carbon dioxide is closed, the compressed gas key is started, the electromagnetic valve is started to be opened, the compressed gas passes through the loop and is sprayed out by the spray gun, the air pressure adjusting knob can adjust the air pressure and display a corresponding numerical value on the air pressure gauge, and the temperature of the heating pipe can be set by controlling the temperature of the heating pipe; and closing the compressed gas key, starting the mixing control key, and simultaneously accessing carbon dioxide and compressed gas and ejecting the carbon dioxide and the compressed gas from the spray gun to form a mixture of dry ice and gas, namely cleaning the product.
The present invention is not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and are all included in the protection scope of the present invention.
Claims (5)
- The cleaning equipment for the liquid carbon dioxide comprises an air pressure display meter (1), a pneumatic control safety valve (2), an air pressure adjusting knob (3), a capillary tube (4), a spray gun (5), a heating pipe (6), a pneumatic electromagnetic valve (7), a touch screen (8), a flow regulating valve (9), a heating pipe temperature control (10), a power switch (11) and a shell (12), and is characterized in that a liquid carbon dioxide loop and a compressed air loop are arranged in the shell (12), the left side wall of the shell (12) is provided with the air pressure display meter (1), the air pressure adjusting knob (3), the touch screen (8), the flow regulating valve (9), the heating pipe temperature control (10) and a power switch (11), the right side wall of the shell (12) is provided with a liquid carbon dioxide input port and a compressed air input port, the liquid carbon dioxide input port is connected with the liquid carbon dioxide loop, the pneumatic control safety valve (2) and the flow regulating valve (9) are connected in series in the liquid carbon dioxide heating pipe loop, the pneumatic control safety valve (2) is connected with the pneumatic control safety valve (2) through a pipeline, the pneumatic control heating pipe input port is connected with the pneumatic control safety valve (7), the pneumatic control heating pipe temperature regulating knob (7) is connected with the capillary tube (7), the pneumatic control loop (7), the pneumatic control heating pipe (7) is connected with the pneumatic control loop (7), the pneumatic control heating pipe (7), the pneumatic control loop (7), the pneumatic control heating pipe (7) is connected with the pneumatic control loop, the pneumatic control heating pipe (7), the pneumatic control loop (7), the pneumatic control heating pipe (7), the pneumatic control loop (.
- 2. The liquid carbon dioxide cleaning apparatus according to claim 1, wherein: the touch screen (8) is connected with a power switch (11) through a circuit, and a carbon dioxide starting key and a compressed gas starting key are arranged on the touch screen (8).
- 3. The liquid carbon dioxide cleaning apparatus according to claim 1, wherein: the inner diameter of a pipeline between the pneumatic control safety valve (2) and the flow regulating valve (9) is gradually reduced from the input end to the output end so as to improve the pressure of the liquid carbon dioxide.
- 4. A liquid carbon dioxide cleaning apparatus according to claim 1, 2 or 3, wherein: be equipped with flow sensor in the liquid carbon dioxide return circuit, flow sensor is used for monitoring liquid carbon dioxide flow, be equipped with pressure sensor in the compressed air return circuit, pressure sensor is used for monitoring compressed gas pressure, flow sensor, pressure sensor are respectively through line connection touch-control screen (8), touch-control screen (8) are through line connection alarm.
- 5. The liquid carbon dioxide cleaning apparatus according to claim 4, wherein: a two-position three-way valve (13) is arranged on a pipeline between the compressed air input port and the pneumatic control safety valve (2), and a pressure stabilizing valve (14) is arranged on a pipeline between the compressed air input port and the heating pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875342.6U CN209998992U (en) | 2019-06-12 | 2019-06-12 | liquid carbon dioxide cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875342.6U CN209998992U (en) | 2019-06-12 | 2019-06-12 | liquid carbon dioxide cleaning equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209998992U true CN209998992U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875342.6U Active CN209998992U (en) | 2019-06-12 | 2019-06-12 | liquid carbon dioxide cleaning equipment |
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| CN (1) | CN209998992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091256A (en) * | 2019-06-12 | 2019-08-06 | 上海悦威电子设备有限公司 | A kind of liquid carbon dioxide cleaning equipment |
| CN111254858A (en) * | 2020-03-06 | 2020-06-09 | 西南交通大学 | Liquid carbon dioxide cleaning machine and cleaning method |
-
2019
- 2019-06-12 CN CN201920875342.6U patent/CN209998992U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091256A (en) * | 2019-06-12 | 2019-08-06 | 上海悦威电子设备有限公司 | A kind of liquid carbon dioxide cleaning equipment |
| CN111254858A (en) * | 2020-03-06 | 2020-06-09 | 西南交通大学 | Liquid carbon dioxide cleaning machine and cleaning method |
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