CN116772442A - Double-stage screw refrigerating unit - Google Patents
Double-stage screw refrigerating unit Download PDFInfo
- Publication number
- CN116772442A CN116772442A CN202311074553.7A CN202311074553A CN116772442A CN 116772442 A CN116772442 A CN 116772442A CN 202311074553 A CN202311074553 A CN 202311074553A CN 116772442 A CN116772442 A CN 116772442A
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- fixedly arranged
- plate
- shell
- outer side
- stage screw
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- 239000000428 dust Substances 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims description 58
- 238000001914 filtration Methods 0.000 claims description 51
- 238000007789 sealing Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000005057 refrigeration Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 description 22
- 239000002245 particle Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 241000219000 Populus Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
Abstract
The application relates to the technical field of refrigerators, in particular to a two-stage screw refrigerating unit, which comprises a two-stage screw refrigerating machine body and a compressor, wherein the top of the two-stage screw refrigerating machine body is provided with the compressor, an air inlet filter mechanism is arranged at an air inlet of the compressor, and a dust suction mechanism is arranged at the outer side of the air inlet filter mechanism.
Description
Technical Field
The application relates to the technical field of refrigerators, in particular to a two-stage screw refrigerating unit.
Background
Screw refrigerators refer to refrigerators in which gas is compressed by rotating one or two rotors with spiral grooves in a cylinder. The screw refrigerator belongs to a volumetric refrigerator with working volume for rotary motion, and has two types of double screws and single screw according to the different numbers of screw rotors.
In the working process of the refrigerator, in order to prevent external impurities from entering the inside of the refrigerator, an air filtering device, generally an air filter core, is additionally arranged at an air inlet of a compressor by workers, is a filter, and is also called an air filter cylinder, an air filter and the like, and is mainly used for filtering air in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms and various precision operation rooms, and the air filter core is mainly used for filtering fine particle dust in the air; in the similar field, staff can adopt to add the dust cover of setting up at the air filter periphery to block most large granule impurity, but this kind of dust cover only possesses simple blocking function, and along with the lapse of time, the large granule impurity on dust cover top layer is more and more, can influence the air inlet efficiency of dust cover greatly, and then influences the work efficiency of follow-up machine, still need the staff or use other instrument to clear up regularly, and the operation of shutting down is needed when the clearance overhauls to some refrigerating unit, and this has certainly also influenced refrigerating unit's work efficiency.
Therefore, the application provides the air inlet multiple filtering device of the double-stage screw refrigerating unit, which is used for carrying out graded filtering and automatic cleaning, so that the service life and the use effect of the air filter element are improved, and the air filter element can be kept in a normal working state for a longer time compared with the prior art or the common technology.
Disclosure of Invention
Aiming at the problems, the application provides a two-stage screw refrigerating unit, which solves the problems that an air filter element cannot adapt to a severe working environment in the prior art, and a worker is required to assist in working, so that the working efficiency is reduced.
The technical scheme of the application is as follows:
the double-stage screw refrigerating unit comprises a double-stage screw refrigerating machine body and a compressor, wherein the compressor is arranged at the top of the double-stage screw refrigerating machine body, an air inlet of the compressor is provided with an air inlet filtering mechanism, and the outer side of the air inlet filtering mechanism is provided with a dust suction mechanism;
the air inlet filtering mechanism comprises a communicating pipe, the communicating pipe is fixedly arranged at an air inlet of the compressor, a shell is fixedly arranged at the end part of the communicating pipe, a filtering bin is coaxially arranged on the inner side of the shell in a rotating mode, an air filter element is fixedly arranged inside the filtering bin, a plurality of filtering holes are formed in the outer side of the filtering bin in a spaced mode, a plurality of linkage blocks and a large gear are fixedly arranged on the outer side of the filtering bin, a small gear is arranged on the outer side of the large gear in a meshed mode, a rotating column is fixedly arranged in the middle of the small gear, a cylinder is fixedly arranged at the bottom of the rotating column, a plurality of first magnets are inlaid on the outer side of the cylinder, a sealing plate is fixedly arranged on the inner side of the shell, a strip column is rotatably arranged on the inner side of the sealing plate, a rotating plate is fixedly arranged on the top of the strip column, a second magnet is slidingly arranged inside the rotating plate, a cleaning plate is fixedly arranged between the top of the cleaning plate and the second magnet, a first spring is fixedly arranged between the bottom of the cleaning plate and the inner side of the sealing plate, which is far away from the cylinder, and a soft brush is arranged.
Further, the output end of the motor is fixedly arranged at the top of the filter bin, and a supporting rod is fixedly arranged between the outer side of the motor and the top of the shell.
Furthermore, the shell side wall is fixedly provided with an inner baffle in an embedded manner, the outer side of the inner baffle is slidably provided with an outer baffle, and a plurality of ventilation holes are formed in the middle of the outer baffle and the middle of the inner baffle in a penetrating manner.
Further, a plurality of slide bars are fixedly mounted at the top of the outer baffle, the diameter of the top of the slide bar is larger, an L-shaped fixing frame is fixedly mounted at the outer side of the shell, a groove which is matched with the top of the slide bar in a sliding manner is formed in the inner side of the top of the L-shaped fixing frame, a plurality of elastic ropes are fixedly mounted between the side of the outer baffle and the inner side of the L-shaped fixing frame, and the elastic ropes are in a stretching state.
Further, four sealing plates are fixedly arranged on the inner side of the shell, the four sealing plates are arranged on the periphery of the inner baffle, and a cleaning plate is arranged in the middle of the four sealing plates, which is close to the pinion.
Further, the outer side of the shell is fixedly provided with a steering block, a second steel rope is fixedly arranged between the outer baffle plate and the rotating plate, and the second steel rope penetrates through the middle of the steering block and is slidably arranged.
Further, the spout has been seted up at clearance board middle part, and spout inside slidable mounting has the arc post, and arc post outside fixed mounting has the ring, and fixed mounting has the second spring between ring and the closing plate, and the elasticity of second spring is greater than the elasticity of elasticity rope, and the arc post runs through the closing plate, and the periphery at the arc post is established to second spring movable sleeve.
Further, the dust collection mechanism comprises a dust collector body, the dust collector body is fixedly arranged on the outer side of the shell, and a dust collection opening is arranged on the outer side of the dust collector body in a communicating manner.
Furthermore, the outside of the shell is communicated and provided with a check valve, and the check valve is communicated with the dust collection port through a hose.
Further, the inside of the shell is fixedly provided with a bearing plate, the bearing plate is rotatably installed with the filter bin, and the bottom of the check valve is flush with the top of the bearing plate.
The beneficial effects of the application are as follows:
(1) According to the double-stage screw refrigerating unit, the air inlet filtering mechanism is adopted, the large-particle impurity filtering mechanism is additionally arranged on the outer side of the original air filter element, so that the influence of the large-particle impurity on the air filter element is reduced, compared with the prior art, the air filter element can keep longer working time when in use, the filtering bin for filtering the large particles automatically and intermittently rotates according to a set program, the filtering bin rotates to drive one side of the soft brush of the cleaning plate to automatically approach the filtering bin to clean the outer side of the filtering bin, the cyclic use of the filtering bin is realized, the filtering bin rotates to drive the soft brush to shake up and down in the cleaning process, the cleaning effect of the soft brush on the filtering bin is greatly improved, compared with the improved dust cover and other technologies in the prior art, the cleaning machine has longer service life, the period of manual cleaning is reduced, the times of shutdown cleaning of the refrigerating unit is reduced, and the working efficiency of the refrigerating unit is beneficial to improvement.
(2) The double-stage screw refrigerating unit adopts the cleaning plate, the outer side of the cleaning plate is provided with the soft brush, the soft brush has a certain cleaning effect on floccules in the air in the normal air inlet process, such as poplar floccules or thread heads and the like, the possibility that the floccules block ventilation holes and filter bins is reduced, and the cleaning plate is matched with the sealing plate for sealing in the normal air inlet process, so that the filter bins are only filtered Kong Jinfeng from one position at a time, and further, the filtered large-particle impurities are concentrated, the subsequent cleaning is convenient, all filter holes can not be blocked at the same time, and new filter holes can be used after the filter bins rotate.
(3) According to the double-stage screw refrigerating unit, the baffle plates are adopted, when the filtering bin is cleaned, the outer baffle plates move and are staggered with the inner baffle plates, so that large particle impurities falling off during cleaning can be prevented from overflowing, air is polluted again, and when the double-stage screw refrigerating unit works normally, the outer baffle plates and the inner baffle plates are overlapped and ventilated, and error collision of external rigid objects to the filtering bin can be reduced.
Drawings
The application will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a two-stage screw refrigerating unit provided by the application;
FIG. 2 is a schematic diagram of an intake filter mechanism of a two-stage screw refrigerating unit according to the present application;
FIG. 3 is a schematic view of an outer baffle structure of a two-stage screw refrigerating unit provided by the application;
FIG. 4 is a schematic diagram of the connection of the shell of a two-stage screw refrigerating unit according to the present application;
FIG. 5 is a schematic diagram of a filter cartridge connection for a dual stage screw refrigeration unit according to the present application;
FIG. 6 is an enlarged view at A of FIG. 5;
FIG. 7 is an enlarged view at B of FIG. 5;
FIG. 8 is an enlarged view at C of FIG. 5;
fig. 9 is a schematic diagram of connection of a rotating plate of a two-stage screw refrigerating unit according to the present application.
In the figure: 1. a two-stage screw refrigerator body; 2. an intake air filtering mechanism; 21. a communicating pipe; 22. a housing; 23. a support rod; 24. a motor; 25. a filtering bin; 26. an L-shaped fixing frame; 27. an outer baffle; 28. a slide bar; 29. an elastic rope; 210. an inner baffle; 211. a sealing plate; 212. a filter hole; 213. a linkage block; 214. a large gear; 215. a pinion gear; 216. rotating the column; 217. a cylinder; 218. a first magnet; 219. a long column; 220. a rotating plate; 221. a second magnet; 222. a first steel cord; 223. a cleaning plate; 224. a first spring; 225. a chute; 226. an arc column; 227. a circular ring; 228. a second spring; 229. a second steel cord; 230. a steering block; 3. a compressor; 4. a dust collection mechanism; 41. a cleaner body; 42. a dust collection port; 43. a non-return valve; 44. and a receiving plate.
Detailed Description
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the present application will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present application, but is not intended to limit the present application.
As shown in fig. 1-9, the embodiment of the application provides a two-stage screw refrigerating unit, which comprises a two-stage screw refrigerating machine body 1 and a compressor 3, wherein the compressor 3 is arranged at the top of the two-stage screw refrigerating machine body 1, an air inlet of the compressor 3 is provided with an air inlet filtering mechanism 2, the air inlet filtering mechanism is used for carrying out graded filtering, automatic cleaning and optimizing the filtering effect, the normal operation of an air filter element is ensured, and a dust suction mechanism 4 is arranged at the outer side of the air inlet filtering mechanism 2 and used for collecting filtered large-particle impurities;
the inlet air filtering mechanism 2 comprises a communicating pipe 21, the communicating pipe 21 is fixedly arranged at an air inlet of the compressor 3, a shell 22 is fixedly arranged at the end part of the communicating pipe 21, a filtering bin 25 is coaxially and rotatably arranged at the inner side of the shell 22 and is used for filtering large particle impurities, an output end of a motor 24 is fixedly arranged at the top of the filtering bin 25, a supporting rod 23 is fixedly arranged between the outer side of the motor 24 and the top of the shell 22, an air filter element is fixedly arranged in the filtering bin 25 and is used for filtering small particle impurities, a plurality of filtering holes 212 are arranged at the outer side of the filtering bin 25 at intervals, a plurality of linkage blocks 213 and a large gear 214 are fixedly arranged at the outer side of the filtering bin 25 close to the top, a small gear 215 is meshed and arranged at the outer side of the large gear 214, a rotating column 216 is fixedly arranged at the middle part of the small gear 215, a column 217 is fixedly arranged at the bottom of the rotating column 216, the cylinder 217 outside is inlayed and is had a plurality of first magnet 218, the inboard fixed mounting of shell 22 has closing plate 211, the closing plate 211 inboard rotates and installs rectangular post 219, rectangular post 219 top fixed mounting has rotor plate 220, rotor plate 220 inside slidable mounting has second magnet 221, first magnet 218 is opposite with the magnetism of second magnet 221, the mutual attraction, rectangular post 219 outside slip joint has cleaning plate 223, fixed mounting has first steel cable 222 between cleaning plate 223 top and the second magnet 221, fixed mounting has first spring 224 between cleaning plate 223 bottom and the closing plate 211 inboard, promote cleaning plate 223's rocking frequency, cleaning plate 223 is kept away from one side of cylinder 217 and is installed the soft brush, be used for the clearance filter house 25, simultaneously have certain cleaning effect to the floccule in the air, like poplar batting or line head etc..
In this embodiment, when the external environment is deteriorated, the operator starts the motor 24, the motor 24 intermittently rotates, the interval time is set by the operator according to the nearby air quality, the motor 24 rotates to drive the filter house 25, the linkage block 213 and the large gear 214 to rotate, the linkage block 213 rotates to squeeze the rotating plate 220, the rotating plate 220 rotates towards the cylinder 217, the rotating plate 220 drives the cleaning plate 223 through the long column 219 to rotate, the soft brush outside the cleaning plate 223 is attached to the filter house 25 to clean the large particle impurities attached to the surface layer of the filter house 25, the rotating plate 220 rotates to drive the second magnet 221 to be close to the cylinder 217, when the highest point of the linkage block 213 contacts the rotating plate 220, the linkage block 213 keeps squeezing the rotating plate 220, the rotating plate 220 does not rotate any more, the large gear 214 rotates, the small gear 215, the rotating column 216, the cylinder 217 and the first magnet 218 are continuously driven to rotate, when the first magnet 218 rotates to be close to the second magnet 221, the second magnet 221 is attracted to move towards the direction close to the first magnet 218, the first steel rope 222 is pulled upwards, the cleaning plate 223 and the soft brush on the outer side of the cleaning plate are driven to move upwards, the first spring 224 is stretched, when the first magnet 218 rotates to be far away from the second magnet 221, the second magnet 221 loses suction force, under the action of the pull force of the first spring 224, the second magnet 221, the cleaning plate 223 of the first steel rope 222 and the soft brush on the outer side of the cleaning plate move downwards, and the soft brush reciprocates up and down, so that the cleaning effect on large particle impurities attached to the surface layer of the filtering bin 25 is enhanced.
Specifically, the side wall of the housing 22 is fixedly provided with an inner baffle 210, the outer side of the inner baffle 210 is slidably provided with an outer baffle 27, and the middle parts of the outer baffle 27 and the inner baffle 210 are respectively provided with a plurality of ventilation holes in a penetrating manner.
In this embodiment, when cleaning the filter house 25, the outer baffle 27 moves and dislocates with the inner baffle 210, so as to prevent the large particle impurities falling from cleaning from overflowing, pollute the air again, and when working normally, the outer baffle 27 and the inner baffle 210 are overlapped and ventilated, so that the false collision of external rigid objects to the filter house 25 can be reduced.
When the external environment is better, a worker starts the two-stage screw refrigerator body 1 and the compressor 3, and external air enters the compressor 3 from the outer baffle plate 27, the inner baffle plate 210, the filter bin 25, the air filter element and the communicating pipe 21.
Specifically, the top of the outer baffle 27 is fixedly provided with a plurality of sliding rods 28, the diameter of the top of the sliding rods 28 is larger, the outer side of the shell 22 is fixedly provided with an L-shaped fixing frame 26, the inner side of the top of the L-shaped fixing frame 26 is provided with a groove matched with the top of the sliding rods 28 in a sliding and clamping manner, a plurality of elastic ropes 29 are fixedly arranged between the side of the outer baffle 27 and the inner side of the L-shaped fixing frame 26, and the elastic ropes 29 are in a stretching state and are used for pulling the outer baffle 27 and the inner baffle 210 to generate dislocation.
Specifically, four sealing plates 211 are fixedly installed on the inner side of the housing 22, the four sealing plates 211 are installed on the periphery of the inner baffle 210, and a cleaning plate 223 is installed at only one middle part, close to the pinion 215, of the four sealing plates 211.
In this embodiment, four closing plates 211 make the filter house 25 intake air from the filter holes 212 at one position only once, and then make the large-particle impurities filtered relatively concentrated, facilitate the subsequent cleaning, and also ensure that all the filter holes 212 are not blocked at the same time, and that the filter house 25 rotates and then has new filter holes 212 for use.
Specifically, a steering block 230 is fixedly installed on the outer side of the housing 22, a second steel rope 229 is fixedly installed between the outer baffle 27 and the rotating plate 220, and the second steel rope 229 is installed in the middle of the steering block 230 in a penetrating and sliding manner.
In this embodiment, in the cleaning process, the rotation of the rotating plate 220 is the movement of the second steel rope 229, and the second steel rope 229 is pulled by the elastic rope 29 to move in the direction close to the elastic rope 29, so that the outer baffle 27 moves in the direction close to the elastic rope 29, and further the ventilation holes of the outer baffle 27 are dislocated from the ventilation holes of the inner baffle 210, so as to prevent the brushed impurities from drifting to the air again, causing secondary pollution, and the elastic rope 29 is still in a stretched state at this time, so that the shaking amplitude of the outer baffle 27 can be reduced.
Specifically, the middle part of the cleaning plate 223 is provided with a chute 225, an arc column 226 is slidably mounted in the chute 225, a circular ring 227 is fixedly mounted on the outer side of the arc column 226, a second spring 228 is fixedly mounted between the circular ring 227 and the sealing plate 211 and used for resetting the cleaning plate 223, the elastic force of the second spring 228 is greater than that of the elastic rope 29, the arc column 226 penetrates through the sealing plate 211, and the second spring 228 is movably sleeved on the periphery of the arc column 226.
In this embodiment, when the cleaning plate 223 rotates, the arc-shaped post 226 and the ring 227 are driven to rotate, the second spring 228 is compressed, and when the linkage block 213 rotates and the rotating plate 220 is separated from extrusion, the rotating plate 220 and the cleaning plate 223 are reset under the action of the elastic force of the second spring 228, the rotating plate 220 drives the second steel rope 229 and the outer baffle 27 to reset, the outer baffle 27 is in fit communication with the inner baffle 210 again, and the new filter hole 212 rotates between the four sealing plates 211.
Specifically, the dust collection mechanism 4 includes dust collector body 41, dust collector body 41 fixed mounting is in the shell 22 outside, dust absorption mouth 42 is installed in the intercommunication in dust collector body 41 outside, check valve 43 is installed in shell 22 outside intercommunication, be linked together through the hose between check valve 43 and the dust absorption mouth 42, shell 22 inboard fixed mounting has and holds board 44, prevent that the clearance from dropping the big granule impurity whereabouts that drops and overflow, accept board 44 and filtration storehouse 25 looks rotation installation, the bottom of check valve 43 flushes with the top of accepting board 44, the collection of the big granule impurity that conveniently drops.
In this embodiment, the worker starts the cleaner body 41, and the brushed impurities enter the cleaner body 41 from the check valve 43 and the dust suction port 42 to be collected, so that the subsequent cleaning is facilitated.
The specific working mode is as follows:
when the external environment is better, a worker starts the two-stage screw refrigerator body 1 and the compressor 3, and external air enters the compressor 3 from the outer baffle plate 27, the inner baffle plate 210, the filter bin 25, the air filter element and the communicating pipe 21.
When the external environment is deteriorated, a worker starts the motor 24, the motor 24 intermittently rotates, the interval time is set by the worker according to the nearby air quality, the motor 24 rotates to drive the filter bin 25, the linkage block 213 and the large gear 214 to rotate, the linkage block 213 rotates to extrude the rotating plate 220, the rotating plate 220 rotates towards the cylinder 217, the rotating plate 220 drives the cleaning plate 223 to rotate through the strip column 219, the soft brush on the outer side of the cleaning plate 223 is attached to the filter bin 25, the large particle impurities attached to the surface layer of the filter bin 25 are cleaned, the rotating plate 220 rotates to drive the second magnet 221 to be close to the cylinder 217, when the highest point of the linkage block 213 contacts the rotating plate 220, the linkage block 213 keeps extruding the rotating plate 220, the rotating plate 220 does not rotate any more, the large gear 214 rotates, continuously driving the pinion 215, the rotating column 216, the cylinder 217 and the first magnet 218 to rotate, when the first magnet 218 rotates to be close to the second magnet 221, the second magnet 221 is attracted to move towards the direction close to the first magnet 218, the first steel rope 222 is pulled upwards to drive the cleaning plate 223 and the outer soft brush thereof to move upwards, the first spring 224 is stretched, when the first magnet 218 rotates to be far away from the second magnet 221, the second magnet 221 loses suction force, under the action of the tension of the first spring 224, the second magnet 221, the cleaning plate 223 of the first steel rope 222 and the outer soft brush thereof move downwards, the upper and lower reciprocating movement of the soft brush enhances the cleaning effect on the large particle impurities attached to the surface layer of the filter bin 25, and workers start the dust collector body 41, and the brushed impurities enter the dust collector body 41 from the check valve 43 and the dust collection opening 42 to collect, so that the subsequent cleaning is convenient.
In the cleaning process, the rotation of the rotating plate 220 is the movement of the second steel rope 229, and the second steel rope 229 is pulled by the elastic rope 29 to move towards the direction close to the elastic rope 29, so that the outer baffle 27 moves towards the direction close to the elastic rope 29, and further the ventilation holes of the outer baffle 27 are staggered with the ventilation holes of the inner baffle 210, the brushed impurities are prevented from drifting to the air again, secondary pollution is caused, and at the moment, the elastic rope 29 is still in a stretched state, so that the shaking amplitude of the outer baffle 27 can be reduced.
When the cleaning plate 223 rotates, the arc-shaped column 226 and the circular ring 227 are driven to rotate, the second spring 228 is compressed, and when the linkage block 213 rotates to be separated from the rotating plate 220 for extrusion, the rotating plate 220 and the cleaning plate 223 reset under the action of the elasticity of the second spring 228, the rotating plate 220 drives the second steel rope 229 and the outer baffle 27 to reset, the outer baffle 27 is matched and communicated with the inner baffle 210 again, and the new filter hole 212 rotates between the four sealing plates 211.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the application and is not intended to limit the scope of the application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a doublestage screw rod refrigerating unit, includes doublestage screw rod refrigerator body (1) and compressor (3), compressor (3) are installed at doublestage screw rod refrigerator body (1) top, its characterized in that: an air inlet of the compressor (3) is provided with an air inlet filtering mechanism (2), and the outer side of the air inlet filtering mechanism (2) is provided with a dust collection mechanism (4);
the inlet air filtering mechanism (2) comprises a communicating pipe (21), the communicating pipe (21) is fixedly arranged at an air inlet of a compressor (3), a shell (22) is fixedly arranged at the end part of the communicating pipe (21), a filtering bin (25) is coaxially arranged at the inner side of the shell (22) in a rotating mode, an air filter element is fixedly arranged inside the filtering bin (25), a plurality of filtering holes (212) are formed in the outer side of the filtering bin (25) at intervals, a plurality of linkage blocks (213) and a large gear (214) are fixedly arranged at the outer side of the filtering bin (25) close to the top, a pinion (215) is meshed with the outer side of the large gear (214), a rotating column (216) is fixedly arranged in the middle of the pinion (215), a cylinder (217) is fixedly arranged at the bottom of the rotating column (216), a plurality of first magnets (218) are embedded at the outer side of the cylinder (217), a sealing plate (211) is fixedly arranged at the inner side of the shell (22), a strip column (219) is rotatably arranged at the inner side of the sealing plate (211), a rotating plate (220) is fixedly arranged at the top of the strip column (219), a rotating plate (220) is arranged inside the rotating plate (220), a second magnet (221) is slidingly clamped at the outer side of the strip column (219), a cleaning plate (223) is fixedly connected with the top of the second magnet (221), a cleaning rope (223) in a sliding mode, a cleaning plate (223) is fixedly arranged between the top and the second magnet (221), a first spring (224) is fixedly arranged between the bottom of the cleaning plate (223) and the inner side of the sealing plate (211), and a soft brush is arranged on one side of the cleaning plate (223) far away from the cylinder (217).
2. The two-stage screw refrigeration unit of claim 1, wherein: the top of the filter bin (25) is fixedly provided with an output end of a motor (24), and a supporting rod (23) is fixedly arranged between the outer side of the motor (24) and the top of the shell (22).
3. The two-stage screw refrigeration unit of claim 1, wherein: an inner baffle (210) is fixedly embedded in the side wall of the shell (22), an outer baffle (27) is slidably arranged on the outer side of the inner baffle (210), and a plurality of ventilation holes are formed in the middle of the outer baffle (27) and the middle of the inner baffle (210) in a penetrating mode.
4. The two-stage screw refrigeration unit of claim 3, wherein: a plurality of sliding rods (28) are fixedly arranged at the top of the outer baffle plate (27), the diameter of the top of the sliding rods (28) is larger, an L-shaped fixing frame (26) is fixedly arranged at the outer side of the shell (22), grooves which are in sliding fit with the tops of the sliding rods (28) are formed in the inner side of the top of the L-shaped fixing frame (26), a plurality of elastic ropes (29) are fixedly arranged between the side parts of the outer baffle plate (27) and the inner side of the L-shaped fixing frame (26), and the elastic ropes (29) are in a stretching state.
5. The two-stage screw refrigeration unit of claim 3, wherein: four sealing plates (211) are fixedly arranged on the inner side of the shell (22), the four sealing plates (211) are arranged on the periphery of the inner baffle plate (210), and a cleaning plate (223) is arranged in the middle of the four sealing plates (211) and is close to the pinion (215).
6. The two-stage screw refrigeration unit of claim 3, wherein: the steering block (230) is fixedly arranged on the outer side of the shell (22), a second steel rope (229) is fixedly arranged between the outer baffle plate (27) and the rotating plate (220), and the second steel rope (229) penetrates through the middle of the steering block (230) in a sliding mode.
7. The two-stage screw refrigeration unit of claim 1, wherein: the cleaning plate (223) middle part has been seted up spout (225), spout (225) internally mounted has arc post (226), arc post (226) outside fixed mounting has ring (227), fixed mounting has second spring (228) between ring (227) and closing plate (211), the elasticity of second spring (228) is greater than the elasticity of elasticity rope (29), arc post (226) run through closing plate (211), the periphery at arc post (226) is established to second spring (228) movable sleeve.
8. The two-stage screw refrigeration unit of claim 1, wherein: the dust collection mechanism (4) comprises a dust collector body (41), the dust collector body (41) is fixedly arranged on the outer side of the shell (22), and a dust collection opening (42) is arranged on the outer side of the dust collector body (41) in a communicating manner.
9. The dual-stage screw refrigeration unit as recited in claim 8 wherein: the outside of the shell (22) is communicated with a check valve (43), and the check valve (43) is communicated with the dust collection port (42) through a hose.
10. The dual-stage screw refrigeration unit as recited in claim 9 wherein: the inside of the shell (22) is fixedly provided with a bearing plate (44), the bearing plate (44) and the filter bin (25) are rotatably arranged, and the bottom of the check valve (43) is flush with the top of the bearing plate (44).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311074553.7A CN116772442B (en) | 2023-08-24 | 2023-08-24 | Double-stage screw refrigerating unit |
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| CN202311074553.7A CN116772442B (en) | 2023-08-24 | 2023-08-24 | Double-stage screw refrigerating unit |
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| CN116772442B CN116772442B (en) | 2023-11-03 |
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| CN111167232A (en) * | 2018-11-13 | 2020-05-19 | 淮安市新盛压缩机配件有限公司 | Dust collector of compressor |
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| CN116398432A (en) * | 2023-04-17 | 2023-07-07 | 优矿塑新材料科技(桂林)有限公司 | Screw air compressor |
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|---|---|
| CN116772442B (en) | 2023-11-03 |
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