CN110303008B - Dry ice cleaning parameter optimization test platform - Google Patents
Dry ice cleaning parameter optimization test platform Download PDFInfo
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- CN110303008B CN110303008B CN201910460364.0A CN201910460364A CN110303008B CN 110303008 B CN110303008 B CN 110303008B CN 201910460364 A CN201910460364 A CN 201910460364A CN 110303008 B CN110303008 B CN 110303008B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
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Abstract
The invention relates to a dry ice cleaning parameter optimization test platform which comprises an air compressor, a connecting pipe, a dry ice cleaning machine, a placing device and a spraying device. The placing device comprises a lifting assembly and a rotating disc assembly, wherein the lifting assembly comprises a first driving mechanism, a guide rail and a bracket body; the rotating disc assembly comprises a second driving mechanism and a rotating disc, and the second driving mechanism and the rotating disc are respectively arranged on the support body; the injection device comprises at least two injection pipes, at least two spray head adjusting brackets and at least two spray heads; each shower nozzle is adjusted the support and is distributed around the rolling disc, and each shower nozzle distributes around the rolling disc and the activity is close to the rolling disc. The dry ice cleaning parameter optimization test platform can change platform parameters to perform a control variable test, so that the most suitable cleaning system parameters and cleaning process parameters for insulator dry ice electrified cleaning are obtained, and the test platform is flexible to operate and wide in application range.
Description
Technical Field
The invention relates to the technical field of dry ice cleaning, in particular to a dry ice cleaning parameter optimization test platform.
Background
With the increasing development of social industrialization, the safe and normal operation of the power system becomes more and more important, and as the pollution flashover fault of the power system brings shutdown and production stoppage to users, even serious accidents occur, great economic loss and social influence are caused. Therefore, the electrical equipment is very important to prevent pollution flashover, the traditional method is power failure cleaning in spring and autumn, the creepage ratio of external insulation is increased by adopting coatings such as silicone oil, silicone grease and the like, and in recent years, creepage skirts, RTV coatings, electrified water washing and the like are used. However, the cleaning method has high cost and complicated operation steps, and the cleaning medium has serious mechanical damage and chemical corrosion to the equipment and has great influence on the electrical equipment.
The dry ice decontamination technology is characterized in that liquid carbon dioxide is made into dry ice particles through a dry ice maker, the dry ice particles and compressed air are mixed and sprayed onto the surface of an object to be cleaned through a spraying cleaning device, and scaling, oil stain and residual impurities on the surface of the insulated cleaning are quickly stripped and removed by utilizing impact force generated by high-speed movement of the solid dry ice particles and combining low temperature of the dry ice and thermal expansion generated by sublimation.
The dry ice cleaning parameters have a decisive effect on the cleaning effect, and the optimization test of the dry ice cleaning parameters is necessary. Dry ice cleaning parameters affecting the dry ice cleaning effect can be classified into four categories. The first type is cleaning system parameters, including compressed air supply pressure provided by an air compressor and dry ice flow controlled by a dry ice machine, and the influence of the compressed air supply pressure and the dry ice flow on the cleaning effect needs to be researched, so that the optimal combination of the compressed air supply pressure and the dry ice flow is determined; the second category is the cleaning process parameters, including the cleaning angle (defined as the angle of the nozzle from the horizontal) and the cleaning distance (defined as the linear distance of the nozzle from the insulator profile), and the impact of the cleaning angle and cleaning distance on the cleaning effect needs to be studied and the optimum cleaning distance and cleaning angle combination determined accordingly. But currently do not have an effective test platform for optimizing the above-described cleaning system parameters and cleaning process parameters.
Disclosure of Invention
Based on this, it is necessary to provide a dry ice cleaning parameter optimization test platform for the problem of lack of effective dry ice cleaning parameter optimization test.
A dry ice cleaning parameter optimization test platform comprises:
an air compressor;
a connecting pipe;
one end of the connecting pipe is communicated with the output end of the air compressor, and the other end of the connecting pipe is communicated with the mixing part of the dry ice cleaning machine;
the placing device comprises a lifting assembly and a rotating disc assembly, the lifting assembly comprises a first driving mechanism, a guide rail and a bracket body, and the first driving mechanism is connected with the bracket body and drives the bracket body to movably lift on the guide rail; the rotating disc assembly comprises a second driving mechanism and a rotating disc, the second driving mechanism and the rotating disc are respectively arranged on the support body, and the second driving mechanism is connected with the rotating disc and drives the rotating disc to rotate;
the spraying device comprises at least two spraying pipes, at least two spray head adjusting supports and at least two spray heads, one end of each spraying pipe is communicated with the mixing part of the dry ice cleaning machine, and the other end of each spraying pipe is connected with one spray head; each spray head is rotatably connected with one spray head adjusting bracket; each spray head adjusting support is distributed around the rotating disc, and each spray head is distributed around the rotating disc and movably close to the rotating disc.
In one embodiment, the injection device comprises two injection pipes, two spray head adjusting brackets and two spray heads, and the placing device is positioned between the two spray head adjusting brackets.
In one embodiment, the spray head adjusting bracket comprises a mounting rod and a mounting block, the mounting block is arranged on the mounting rod, the spray head is rotatably connected with the mounting block, and the mounting rod is movably close to the rotating disc.
In one embodiment, the mounting block comprises a mounting portion and a sliding rod portion, the sliding rod portion is vertically connected with the mounting rod, and the mounting portion is connected with the sliding rod portion in a sliding mode and is movably close to the rotating disc.
In one embodiment, the spray head is rotated on the mounting block by an angle ranging from 0 to 90 °.
In one embodiment, the spray head is a conical spray head, and the scattering angle of the spray head is 15-60 degrees.
In one embodiment, the rotatable disk assembly further comprises an index head, the index head being connected to the second drive mechanism and the rotatable disk, respectively.
In one embodiment, the air compressor houses a compressor motor and a compressor that are drivingly connected.
In one embodiment, the connecting pipe comprises a compressed air pipe and an air conveying pipe which are connected, one end of the compressed air pipe, which is far away from the air conveying pipe, is communicated with the output end of the air compressor, and one end of the air conveying pipe, which is far away from the compressed air pipe, is communicated with the mixing part of the dry ice cleaning machine; the inside of air compression pipe is equipped with desicator and filter core, the desicator with filter core interval sets up.
In one embodiment, the spraying device further comprises a sealing gasket, the output end of the mixing part is communicated with the spraying pipe, the sealing gasket is positioned between the outer edge of the output end of the mixing part and the outer edge of one end, far away from the sprayer, of the spraying pipe, and the sealing gasket is respectively abutted against the outer edge of the output end of the mixing part and the outer edge of one end, far away from the sprayer, of the spraying pipe.
According to the dry ice cleaning parameter optimization test platform, compressed air with different air supply pressures can be provided through the air compressor, and the dry ice cleaning machine controls the flow of the dry ice, so that the influence of the air supply pressure of the compressed air and the flow of the dry ice on the dry ice cleaning effect can be researched, and the optimal combination of the air supply pressure of the compressed air and the flow of the dry ice is determined; the spray head is rotatably connected with the spray head adjusting support, and the spray head is movably close to the rotating disc, so that a spray cleaning angle and a spray cleaning distance can be adjusted, wherein the spray cleaning angle is an included angle between a spray nozzle of the spray head and the horizontal plane, and the spray cleaning distance is a linear distance between the spray nozzle of the spray head and the outline of the insulator to be cleaned; in this way, the influence of the blast cleaning angle and the blast cleaning distance on the dry ice cleaning effect can be studied, and the optimum cleaning distance and cleaning angle combination can be determined. Therefore, through the dry ice cleaning parameter optimization test platform, the platform parameters can be changed to carry out a control variable test, so that the most suitable cleaning system parameters and cleaning process parameters for the dry ice electrified cleaning of the insulator are obtained; the test platform is flexible to operate, and can simulate the cleaning modes of the spray head surrounding the insulator to be cleaned, moving up and down and at different angles and distances; support and shower nozzle are adjusted to the shower nozzle through setting up around the rolling disc setting to set up the rolling disc, can realize encircling the washing insulator well, through setting up lifting unit, make the shower nozzle can wash whole insulator, make above dry ice cleaning parameter optimization test platform can confirm insulator dry ice electrified most suitable cleaning system parameter and cleaning process parameter of wasing more comprehensively accurately. By changing the parameters such as the type of the insulator, the form of the spray nozzle and the like, the dry ice cleaning parameter optimization test platform can be well applied to various dry ice cleaning tests.
Drawings
Fig. 1 is a schematic structural diagram of a dry ice cleaning parameter optimization test platform according to an embodiment;
FIG. 2 is a schematic structural diagram of a lifting assembly according to an embodiment;
FIG. 3 is a schematic structural diagram of a rotating disk assembly according to an embodiment.
Detailed Description
In order to facilitate understanding of the present invention, a dry ice cleaning parameter optimization test platform will be described more fully below with reference to the associated drawings. The figure shows a preferred embodiment of a dry ice cleaning parameter optimization test platform. However, the dry ice cleaning parameter optimization test platform may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of the dry ice cleaning parameter optimization test platform more thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the dry ice cleaning parameter optimization test platform is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A dry ice cleaning parameter optimization test platform comprises an air compressor, a connecting pipe, a dry ice cleaning machine, a placing device and a spraying device. One end of the connecting pipe is communicated with the output end of the air compressor, and the other end of the connecting pipe is communicated with the mixing part of the dry ice cleaning machine; the placing device comprises a lifting assembly and a rotating disc assembly, the lifting assembly comprises a first driving mechanism, a guide rail and a bracket body, and the first driving mechanism is connected with the bracket body and drives the bracket body to movably lift on the guide rail; the rotating disc assembly comprises a second driving mechanism and a rotating disc, the second driving mechanism and the rotating disc are respectively arranged on the support body, and the second driving mechanism is connected with the rotating disc and drives the rotating disc to rotate; the spraying device comprises at least two spraying pipes, at least two spray head adjusting supports and at least two spray heads, one end of each spraying pipe is communicated with the mixing part of the dry ice cleaning machine, and the other end of each spraying pipe is connected with one spray head; each spray head is rotatably connected with one spray head adjusting bracket; each spray head adjusting support is distributed around the rotating disc, and each spray head is distributed around the rotating disc and movably close to the rotating disc.
As shown in fig. 1, the dry ice cleaning parameter optimization test platform 10 of an embodiment includes an air compressor 100, a connecting pipe 200, a dry ice cleaning machine 300, a placing device 400, and a spraying device 500. One end of the connection pipe 200 is communicated with an output end of the air compressor 100, the output end of the air compressor 100 is used for outputting compressed air, the other end of the connection pipe 200 is communicated with a mixing part 310 of the dry ice cleaning machine 300, the mixing part 310 is arranged in the dry ice cleaning machine 300, and the mixing part 310 of the dry ice cleaning machine 300 is used for accommodating a mixed flow composed of dry ice particles and the compressed air. The placing device 400 includes a lifting assembly 410 and a rotating disc assembly 420, as shown in fig. 2, the lifting assembly 410 includes a first driving mechanism 411, a guide rail 412 and a bracket body 413, and the first driving mechanism 411 is connected to the bracket body 413 and drives the bracket body 413 to movably lift on the guide rail 412. As shown in fig. 3, the rotating disc assembly 420 includes a second driving mechanism 421 and a rotating disc 422, the second driving mechanism 421 and the rotating disc 422 are respectively disposed on the support body 413, and the second driving mechanism 421 is connected to the rotating disc 422 and drives the rotating disc 422 to rotate. The spraying device 500 includes at least two spraying pipes 510, at least two spraying head adjusting brackets 520, and at least two spraying heads 530, and each spraying pipe 510 has one end communicating with the mixing part 310 of the dry ice cleaning machine 300 and the other end connected to one spraying head 530. Each spray head 530 is rotatably connected with one spray head adjusting bracket 520. Each of the spray head adjusting brackets 520 is distributed around the rotary disk 422, and each of the spray heads 530 is distributed around the rotary disk 422 and is movably adjacent to the rotary disk 422. In this embodiment, the injection apparatus 500 includes two injection pipes 510, two nozzle head adjusting brackets 520, and two nozzle heads 530, and the placement apparatus 400 is located between the two nozzle head adjusting brackets 520. In this embodiment, two showerhead adjustment brackets 520 are symmetrically disposed about the placement device 400.
According to the dry ice cleaning parameter optimization test platform 10, compressed air with different air supply pressures can be provided through the air compressor 100, and the dry ice cleaning machine 300 controls the flow of the dry ice, so that the influence of the air supply pressure of the compressed air and the flow of the dry ice on the dry ice cleaning effect can be researched, and the optimal combination of the air supply pressure of the compressed air and the flow of the dry ice is determined; the spray head 530 is rotatably connected with the spray head adjusting bracket 520, and the spray head 530 is movably close to the rotating disc 422, so that a spray cleaning angle, namely an included angle between a nozzle of the spray head 530 and the horizontal plane, and a spray cleaning distance, namely a linear distance between the nozzle of the spray head 530 and the outline of the insulator 30 to be cleaned can be adjusted; in this way, the influence of the blast cleaning angle and the blast cleaning distance on the dry ice cleaning effect can be studied, and the optimum cleaning distance and cleaning angle combination can be determined. Therefore, through the dry ice cleaning parameter optimization test platform 10, platform parameters can be changed to perform a control variable test, so that the most suitable cleaning system parameters and cleaning process parameters for dry ice electrified cleaning of the insulator 30 are obtained; the test platform is flexible to operate, and can simulate the cleaning modes of the spray head 530 surrounding the insulator 30 to be cleaned, moving up and down and at different angles and distances; through setting up shower nozzle regulation support 520 and shower nozzle 530 that sets up around rolling disc 422 to setting up rolling disc 422, can realizing surrounding the washing insulator 30 well, through setting up lifting unit 410, make shower nozzle 530 can wash whole insulator 30, make above that dry ice washs parameter optimization test platform 10 can confirm insulator 30 dry ice electrified washing most suitable cleaning system parameter and cleaning process parameter more comprehensively accurately. The insulator 30 to be cleaned in different types can be fixed by changing the parameters of the type of the insulator 30, the form of the spray head 530 and the like, namely, different types of insulators 30 to be cleaned can be fixed by the rotating disc, and the spray heads in different shapes or different scattering angles can be selected to be suitable for the insulators in different shapes and sizes and the spray heads in different setting positions according to the shape and the size of the insulators and the setting positions of the spray heads, so that the dry ice cleaning parameter optimization test platform 10 can be well applied to various dry ice cleaning tests by changing the parameters of the type of the insulators 30, the form of the spray head 530 and the. In addition, the insulator 30 to be cleaned with different dirt grades and dirt adhesion degrees on the surface can be selected, so that the influence of the dirt grades and the dirt adhesion force on the cleaning effect can be researched; furthermore, the influence of the dry ice cleaning time on the cleaning effect can be studied.
In one embodiment, the dry ice cleaning machine 300 is provided with a dry ice input channel 320, and the dry ice input channel 320 is communicated with the mixing part 310. The dry ice feeding passage 320 is used to feed dry ice pellets to the mixing portion 310 for mixing with the compressed air fed from the connecting pipe. In one embodiment, the outer surface of the dry ice input channel 320 is provided with a heat insulation layer, and the heat insulation layer ensures that the dry ice can be kept in a solid state for a long time when being input.
In one embodiment, the dry ice cleaning machine is further provided with a spiral conveying groove 330, and the dry ice input channel 320 is communicated with the mixing part 310 through the spiral conveying groove 330; the dry ice cleaning machine further comprises a screw rotatably disposed in the spiral conveying groove 330, the spiral conveying groove 330 is used for accommodating dry ice particles, and the dry ice particles can be sufficiently mixed with compressed air after being conveyed to the mixing portion 310 through rotation of the screw. In one embodiment, the spiral conveying groove 330 has a pitch of 10mm and a depth of 6mm, so that the dry ice can be smoothly conveyed.
In one embodiment, the air compressor 100 includes a compression motor and a compressor, the compression motor is in transmission connection with the compressor, the compression motor is used for driving the compressor, so that a crankshaft of the compressor generates a rotation motion, a connecting rod of the compressor is driven to generate a reciprocating motion of a piston of the compressor, a cylinder volume of the compressor is changed, air enters the cylinder through an air inlet valve of the cylinder due to a change of pressure in the cylinder, compressed air is exhausted through an exhaust pipe under the action of an exhaust valve of the cylinder due to a reduction of the cylinder volume in a compression stroke, the exhaust pipe is communicated with the mixing portion 310, and the compressed air exhausted through the exhaust pipe enters the mixing portion 310.
In order to facilitate the arrangement of the first driving mechanism 411 and the guide rail 412, in one embodiment, the lifting assembly 410 further includes a base plate 414, the first driving mechanism 411 and the guide rail 412 are respectively disposed on the base plate 414, and the guide rail 412 is perpendicularly connected to the base plate 414, so that the first driving mechanism 411 and the guide rail 412 are conveniently arranged, and thus the operation of the lifting assembly 410 is facilitated. In this embodiment, the base plate 414 is used to be placed on the ground or on a working platform.
In order to facilitate the arrangement of the spray head 530 and the movement of the spray head 530 close to the rotating disc 422, in one embodiment, the spray head adjusting bracket 520 includes a mounting rod 521 and a mounting block 522, the mounting block 522 is arranged on the mounting rod 521, the spray head 530 is rotatably connected with the mounting block 522, the mounting rod 521 is movably close to the rotating disc 422, the arrangement of the spray head 530 is facilitated by the arrangement of the mounting block 522, the rotation of the spray head 530 is facilitated, and the mounting rod 521 is movably close to the rotating disc 422 so that the spray head 530 can be movably close to the rotating disc 422. In one embodiment, the spray pipe 510 is fixedly connected to the spray head 530, so that the stability of dry ice spray cleaning can be ensured.
To further facilitate the movement of the spray head 530 adjacent to the rotating disk 422, in one embodiment, the mounting block 522 includes a mounting portion and a sliding rod portion, the sliding rod portion is vertically connected to the mounting rod 521, and the mounting portion is slidably connected to the sliding rod portion and movably adjacent to the rotating disk 422. Thus, the installation rod 521 is not moved, the spray head 530 can move close to the rotating disc 422 by moving the installation part, and the distance between the spray head 530 and the rotating disc 422 can be adjusted more conveniently and more laborsavingly by sliding the installation part. In one embodiment, the surfaces of the sliding rod part and the mounting part are provided with oxidation coatings, so that the sliding rod part and the mounting part can be protected from rusting, and the mounting part cannot be blocked by sliding on the sliding rod part. In one embodiment, the surface of the mounting bar 521 is provided with an oxide coating.
In order to make the insulator 30 cleaned more completely by the spray head 530, in one embodiment, the spray head 530 rotates on the mounting block 522 by an angle of 0-90 °, that is, the spray head 530 rotates by 90 °, so that the insulator 30 is cleaned more completely by the spray head 530. In one embodiment, the spray head 530 is rotated up and down by an angle ranging from 0 to 90 °, and the spray head 530 is rotated left and right by an angle ranging from 0 to 90 °. In one embodiment, the maximum angle of upward rotation of the spray head 530 is 45 °, and the maximum angle of downward rotation is 45 °; the maximum angle of the left rotation of the spray head 530 is 45 °, and the maximum angle of the right rotation is 45 °.
In order to improve the utilization rate of the dry ice cleaning agent sprayed by the spray head 530, in one embodiment, the spray head 530 is a conical spray head 530, in this embodiment, the spray head 530 is conical, and the scattering angle of the spray head 530 is 15 to 60 degrees, that is, the included angle between two generatrices of the spray head 530 which are symmetrical relative to the spray head axis is 15 to 60 degrees. This allows the spray head 530 to spray a large area of the large insulator 30, and the dry ice cleaning agent sprayed from the spray head 530 is not sprayed to the space around the insulator 30 due to a small scattering angle, which causes waste. In one embodiment, the spray head 530 has a scattering angle of 30 ° so as to cover a suitable cleaning range of a circular area.
In order to facilitate the hot cleaning application of the spray head 530, in one embodiment, the material of the spray head 530 is an insulating material, i.e., the spray head 530 is an insulating material spray head 530, so that the spray head 530 can be applied to hot cleaning operation. In one embodiment, the material of the showerhead 530 is polyoxymethylene, which not only is insulating, but also has low water absorption and high strength, so that the showerhead 530 has a long service life.
In one embodiment, the first driving mechanism 411 includes a first driving motor 411a and a transmission member 411b, the transmission member 411b includes two couplers and a coupling shaft, the first driving motor 411a is connected to a first end of the coupling shaft through one coupler, and a second end of the coupling shaft is connected to the bracket 413 through the other coupler. Like this through driving medium 411b with the power transmission of first driving motor 411a for stake body 413, the control body that goes up and down, the coupling shaft is used for transmitting power, the shaft coupling is convenient for the coupling shaft to be connected with first driving motor 411a and stake body 413 respectively, can also play overload protection's effect. In this embodiment, the first driving mechanism 411 further includes a screw rod, the screw rod is respectively connected to the second end of the coupling shaft and the bracket body 413, and the bracket body 413 is lifted and lowered by the screw rod to convert the torque of the coupling shaft into a linear force.
In order to control the lifting speed of the support body 413, in one embodiment, the first driving mechanism 411 further includes a transmission, an input end of the transmission is connected to an output end of the first driving motor 411a, an output end of the transmission is connected to a coupling and a first end of the coupling shaft, and the transmission can change the output rotation speed of the motor, that is, change the rotation speed of the coupling shaft, and further change the lifting speed of the support body 413.
In order to rotate the rotating disk 422 to the rotation speed range required by dry ice cleaning, in one embodiment, the rotating disk assembly 420 further includes an index head 423, and the index head 423 is connected with the second driving mechanism 421 and the rotating disk 422 respectively. The rotating speed of the rotating disc 422 can be reduced through the speed reduction of the dividing head 423, so that the rotating speed of the rotating disc 422 reaches the rotating speed range required by dry ice cleaning, the rotating disc 422 is used for placing and fixing the insulator 30, and the insulator 30 to be cleaned which is well fixed is driven to rotate at a constant speed through the uniform-speed rotation of the rotating disc 422, so that the function of simulating the uniform-speed rotation cleaning of the spray head 530 around the insulator 30 is realized. In this embodiment, the second driving mechanism 421 is a motor. In the present embodiment, the gear ratio of the index head 423 is 40: 1, so that the high-speed motor can directly drive the rotating disk 422 to rotate.
In order to change the rotation speed of the rotating disc 422 conveniently, in one embodiment, the rotating disc assembly 420 further includes a frequency converter, the frequency converter is connected to the second driving mechanism 421, the rotation speed and the torque of the second driving mechanism 421 are changed through the frequency converter, the rotation speed of the second driving mechanism 421 is further controlled, and further, the rotating disc 422 can rotate stably at a constant speed at a suitable rotation speed.
In order to facilitate the transportation of relatively pure compressed air, in one embodiment, the connection pipe 200 includes a compressed air pipe 210 and an air transportation pipe 220 connected to each other, an end of the compressed air pipe 210 away from the air transportation pipe 220 is communicated with an output end of the air compressor 100, and an end of the air transportation pipe 220 away from the compressed air pipe 210 is communicated with the mixing portion 310 of the dry ice cleaning machine 300; the inside of air compression pipe is equipped with desicator and filter core, the desicator with filter core interval sets up. The air duct 220 is used for conveying compressed air, and the compressed air duct 210 serves to communicate the output end of the compressed air duct 210 with the air duct 220, and is convenient to arrange some components, such as a dryer and a filter element, so that moisture and impurities in the compressed air can be removed.
In order to ensure the tightness of the dry ice delivery, in one embodiment, the spraying device 500 further includes a sealing gasket, the output end of the mixing portion 310 is communicated with the spraying pipe 510, the sealing gasket is positioned between the outer edge of the output end of the mixing portion 310 and the outer edge of the end of the spraying pipe 510 far away from the spray head 530, and the sealing gasket is abutted with the outer edge of the output end of the mixing portion 310 and the outer edge of the end of the spraying pipe 510 far away from the spray head 530 respectively. The injection pipe is fixed between the output end of the mixing part 310 and the injection pipe 510 in a sealing way through a sealing gasket, so that the whole dry ice conveying process can be ensured to be in a good sealing environment. In one embodiment, the sealing gasket is an O-ring type sealing gasket, which facilitates the positioning of the sealing gasket and facilitates the sealing of the sealing gasket.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a dry ice washs parameter optimization test platform which characterized in that includes:
an air compressor;
a connecting pipe;
one end of the connecting pipe is communicated with the output end of the air compressor, and the other end of the connecting pipe is communicated with the mixing part of the dry ice cleaning machine; the dry ice cleaning machine is provided with a dry ice input channel, the dry ice cleaning machine is also provided with a spiral conveying groove, the dry ice input channel is communicated with the mixing part through the spiral conveying groove, and the dry ice cleaning machine also comprises a screw rod which is rotationally arranged in the spiral conveying groove;
the placing device comprises a lifting assembly and a rotating disc assembly, the lifting assembly comprises a first driving mechanism, a guide rail and a bracket body, and the first driving mechanism is connected with the bracket body and drives the bracket body to movably lift on the guide rail; the rotating disc assembly comprises a second driving mechanism, a rotating disc and a dividing head, the second driving mechanism and the rotating disc are respectively arranged on the support body, the dividing head is respectively connected with the second driving mechanism and the rotating disc, and the second driving mechanism drives the rotating disc to rotate;
the spraying device comprises at least two spraying pipes, at least two spray head adjusting supports and at least two spray heads, one end of each spraying pipe is communicated with the mixing part of the dry ice cleaning machine, and the other end of each spraying pipe is connected with one spray head; each spray head is rotatably connected with one spray head adjusting bracket; each spray head adjusting bracket is distributed around the rotating disc, and each spray head is distributed around the rotating disc and is movably close to the rotating disc;
the spray head adjusting bracket comprises an installation rod and an installation block, the installation block is arranged on the installation rod, the spray head is rotatably connected with the installation block, and the installation rod is movably close to the rotating disc;
the installation piece includes installation department and slip pole portion, slip pole portion with the installation pole is connected perpendicularly, the installation department with slip pole portion sliding connection and activity are close to the rolling disc.
2. A dry ice cleaning parameter optimization test platform according to claim 1, wherein the spray device includes two of the spray tubes, two of the spray head adjustment brackets, and two of the spray heads, and the placement device is located between the two spray head adjustment brackets.
3. A dry ice cleaning parameter optimization test platform according to claim 1, wherein an insulating layer is provided on an outer surface of the dry ice inlet passage.
4. A dry ice cleaning parameter optimization test platform according to claim 1, wherein the screw pitch of the screw conveying trough is 10mm and the depth is 6 mm.
5. A dry ice cleaning parameter optimization test platform as claimed in claim 1, wherein the angle of rotation of the spray head on the mounting block is in the range of 0-90 °.
6. A dry ice cleaning parameter optimization test platform according to claim 1, wherein the spray head is a conical spray head with a dispersion angle of 15-60 °.
7. A dry ice cleaning parameter optimization test platform according to claim 1, wherein the material of the spray head is an insulating material.
8. A dry ice cleaning parameter optimization test platform as claimed in claim 1, wherein a compression motor and a compressor are housed within the air compressor, the compression motor and compressor being drivingly connected.
9. A dry ice cleaning parameter optimization test platform according to claim 1, wherein the connecting pipe comprises a compressed air pipe and an air delivery pipe which are connected, wherein one end of the compressed air pipe, which is far away from the air delivery pipe, is communicated with an output end of the air compressor, and one end of the air delivery pipe, which is far away from the compressed air pipe, is communicated with a mixing part of the dry ice cleaning machine; the inside of air compression pipe is equipped with desicator and filter core, the desicator with filter core interval sets up.
10. A dry ice cleaning parameter optimization test platform according to any one of claims 1 to 9, wherein the spraying device further comprises a sealing washer, the output end of the mixing portion is communicated with the spray pipe, the sealing washer is positioned between an outer edge of the output end of the mixing portion and an outer edge of one end of the spray pipe away from the spray head, and the sealing washers are abutted with the outer edge of the output end of the mixing portion and the outer edge of one end of the spray pipe away from the spray head, respectively.
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