CN112983813A - Equipment for reducing dust content in gas and improving efficiency of screw air compressor - Google Patents
Equipment for reducing dust content in gas and improving efficiency of screw air compressor Download PDFInfo
- Publication number
- CN112983813A CN112983813A CN202110253125.5A CN202110253125A CN112983813A CN 112983813 A CN112983813 A CN 112983813A CN 202110253125 A CN202110253125 A CN 202110253125A CN 112983813 A CN112983813 A CN 112983813A
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- China
- Prior art keywords
- dust
- gas
- air compressor
- dust content
- efficiency
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
- B03C3/155—Filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/88—Cleaning-out collected particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention relates to the technical field of dust removal of pipelines of screw air compressors, and discloses equipment for reducing dust content in gas and improving efficiency of a screw air compressor. Through changeing under the effect of board arrangement groove inside electro-magnet for on the dust with electric charge is adsorbed the commentaries on classics board, after screw compressor outage, the electro-magnet loses power supply, will be under the dust action of gravity, and the pressure is moved and is changeed the board and take place to deflect, changes the dust on the board afterwards and will follow the through-hole of admission line bottom and discharge, has reached the inside dust of admission line and has collected and the effect of discharge.
Description
Technical Field
The invention relates to the technical field of dust removal of pipelines of screw air compressors, in particular to equipment for reducing the dust content in gas and improving the efficiency of a screw air compressor.
Background
The screw air compressor is configured by a pre-formed set, only needs single power supply connection and compressed air connection, and is internally provided with a cooling system, so that the installation work is greatly simplified. Screw air compressors are widely used in various industries due to their advantages of high efficiency, maintenance-free, high reliability, etc.
Screw compressor machine is in the use, need the admission line with the external gas suction, then utilize two cooperation pivots to compress gas, present screw compressor machine does not carry out filterable equipment to gas, enter into screw compressor machine along with the air as the dust, will cause the frictional heat that produces between two pivots, thereby will reduce screw compressor machine compressed gas's efficiency, and can influence screw compressor machine's life, so we have proposed the equipment that reduces dust content in the gas and improve screw compressor machine efficiency and solve above problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides equipment for reducing the dust content in gas and improving the efficiency of a screw air compressor, which has the advantages that before the air enters a compression region, the dust contained in the air is removed from the air in an air inlet pipeline, the air purity entering the compression region is ensured, and the dust collected in the air inlet pipeline is intensively treated when the screw air compressor stops working, so that the problems that the screw air compressor does not have equipment for filtering the gas, when the dust enters the screw air compressor along with the air, frictional heat is generated between two rotating shafts, the gas compression efficiency of the screw air compressor is reduced, and the service life of the screw air compressor is influenced are solved.
(II) technical scheme
In order to achieve the purposes of removing dust contained in air in the air inlet pipeline before the air enters the compression area, ensuring the purity of the air entering the compression area and intensively treating the dust collected in the air inlet pipeline when the screw air compressor stops working, the invention provides the following technical scheme: an apparatus for reducing dust content in gas and improving efficiency of a screw air compressor comprises an air inlet pipeline, wherein a friction disc is fixedly mounted on the inner wall of the air inlet pipeline, a rotary disc is movably mounted inside the air inlet pipeline, a telescopic cylinder is fixedly mounted on the inner wall of the rotary disc, a sliding groove is formed in the inner wall of the telescopic cylinder, a sliding rod is connected inside the sliding groove in a sliding manner, a push rod is fixedly mounted at the bottom of the sliding rod, a pulley is movably mounted at the bottom of the push rod, a magnet is fixedly mounted inside the pulley, a motor is fixedly mounted at the top of the sliding rod, a metal rod is fixedly mounted at the top of the motor, a stator is fixedly mounted inside the rotary disc, a conductive wire is fixedly connected at the top of the friction disc, a filter screen is fixedly mounted inside the air inlet pipeline, an iron block is fixedly, the novel air inlet pipeline is characterized in that a rotating plate is movably mounted inside the through hole, a placing groove is formed in the top of the rotating plate, an electromagnet is fixedly mounted inside the placing groove, a baffle is fixedly mounted at the bottom of the air inlet pipeline, and an elastic rod is fixedly mounted at the top of the baffle.
Preferably, the length of the telescopic cylinder arranged on the rotary table extending out of the rotary table is longer than the length of the telescopic cylinder remaining in the rotary table, so that the area of the extending part of the telescopic cylinder subjected to gas flow force is convenient for driving the rotary table to deflect.
Preferably, the telescopic cylinder is made of insulating wood, and charges on the metal rod are eliminated.
Preferably, the magnets inside the pulley and inside the stator are opposite in magnetism, and the two magnets can attract each other.
Preferably, the stator is an irregular disk, the top area of the right side of the stator is in a convex arc shape, and the convex area of the stator can eject the metal rod out to be in contact with the friction disk.
Preferably, the conductive wire connects the friction disc and the filter screen together, in order to charge the filter screen with dust of the same polarity.
Preferably, the filter screen is woven by metal wires, so that the filter screen can conduct electricity.
(III) advantageous effects
Compared with the prior art, the invention provides equipment for reducing the dust content in gas and improving the efficiency of the screw air compressor, which has the following beneficial effects:
1. the device for reducing the dust content in the air and improving the efficiency of the screw air compressor extracts air through the air inlet pipeline, so that the air flow entering the air inlet pipeline can push the telescopic cylinder, the extending end of the telescopic cylinder is very long, the rotary disc can be driven to rotate by the aid of the flow force of the air, when the rotary disc rotates, the stator is an irregular disc, the top of the stator is in a convex arc shape, when the telescopic cylinder rotates to the top of the rotary disc, the ejector rod can be pushed upwards under the action of the rotary disc, so that the metal rod is pushed out to be in contact with the friction disc, at the moment, the metal rod is driven by the motor to rotate to be in contact with the friction disc to generate electric charges, when the air flows through a gap between the telescopic cylinder and the friction disc on the rotary disc, the dust in the air can be charged, and meanwhile, when the rotary disc rotates to the bottom, by means of the interaction, make the metal pole by the withdrawal to metal pole on the carousel of top will not contact the collision with the metal pole on the carousel of bottom, because the gas of admission line suction can only follow the flow between two telescoping cylinders, only can just can be taken out at the another side that rotates the friction disk, reached the gas homoenergetic that the admission line let in and passed through the electric charge region, guarantee that the dust homoenergetic obtains the effect of electric charge.
2. The equipment for reducing the dust content in the air and improving the efficiency of the screw air compressor is characterized in that after the air passes through the friction disc area and the dust in the air is charged, will continue to move towards the right side under the effect of air inlet pipe suction, will transfer the electric charge on the friction disk to the filter screen with the help of the conductor wire, with the help of the principle that homopolar electric charge repels each other, the dust that has electric charge in the air will be unable to pass through the filter screen, has realized the effect of separating the dust from the air, simultaneously, under the action of the electromagnet in the rotary plate placing groove, dust with electric charges is adsorbed to the rotary plate, after the screw air compressor outage, the electro-magnet loses power supply, will press under the dust action of gravity to move the commentaries on classics board and take place to deflect, and the dust on changeing the board afterwards will be discharged from the through-hole of admission line bottom, has reached the inside dust of admission line and has collected and the effect of discharge.
Drawings
FIG. 1 is a schematic view of the construction of an air dust separating duct arrangement;
FIG. 2 is a schematic structural diagram of a charge generation device;
FIG. 3 is a schematic view of the structure of the metal rod extension mechanism;
FIG. 4 is a schematic structural diagram of a triboelectric device;
fig. 5 is a schematic structural view of the dust collecting apparatus.
In the figure: 1. an air intake duct; 2. a friction disk; 3. a turntable; 4. a telescopic cylinder; 5. a chute; 6. a slide bar; 7. a top rod; 8. a pulley; 9. a magnet; 10. a motor; 11. a metal rod; 12. a stator; 13. a conductive wire; 14. a filter screen; 15. an iron block; 16. a through hole; 17. rotating the plate; 18. a placing groove; 19. an electromagnet; 20. a baffle plate; 21. an elastic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an apparatus for reducing dust content in gas and improving efficiency of a screw air compressor comprises an air inlet pipe 1, a friction disc 2 is fixedly installed on an inner wall of the air inlet pipe 1, a rotary disc 3 is movably installed inside the air inlet pipe 1, a telescopic cylinder 4 is fixedly installed on an inner wall of the rotary disc 3, the length of the telescopic cylinder 4 installed on the rotary disc 3 extending out of the rotary disc 3 is longer than the length of the telescopic cylinder 4 remaining inside the rotary disc 3, so that the area of the extending part of the telescopic cylinder 4 subjected to gas flow force drives the rotary disc 3 to deflect, the telescopic cylinder 4 is made of insulating wood, charges on a metal rod 11 are eliminated, a sliding groove 5 is formed on the inner wall of the telescopic cylinder 4, a sliding rod 6 is connected inside the sliding groove 5 in a sliding manner, a push rod 7 is fixedly installed at the bottom of the sliding rod 6, a pulley 8 is movably installed at the bottom of the push rod 7, two magnets 9 can attract each other, a motor 10 is fixedly installed at the top of a sliding rod 6, a metal rod 11 is fixedly installed at the top of the motor 10, a stator 12 is fixedly installed inside a rotary disc 3, the stator 12 is an irregular disc, the top area of the right side of the stator 12 is in a convex arc shape, the metal rod 11 can be ejected out by the convex area of the stator 12 to be contacted with a friction disc 2, a conducting wire 13 is fixedly connected to the top of the friction disc 2, the friction disc 2 is connected with a filter screen 14 by the conducting wire 13, in order to enable the filter screen 14 to carry charges with the same polarity as dust, a filter screen 14 is fixedly installed inside an air inlet pipeline 1, the filter screen 14 is woven by metal wires, so that the filter screen 14 can conduct electricity, an iron block 15 is fixedly installed on the inner wall of the top of the air inlet pipeline 1, a through hole 16 is formed at, an electromagnet 19 is fixedly installed inside the placing groove 18, a baffle plate 20 is fixedly installed at the bottom of the air inlet pipeline 1, and an elastic rod 21 is fixedly installed at the top of the baffle plate 20.
The working principle is that air is pumped through the air inlet pipeline 1, so that the air flow entering the air inlet pipeline 1 can push the telescopic cylinder 4, the rotary table 3 can be driven to rotate by virtue of the flowing force of the air because the extending end of the telescopic cylinder 4 is very long, when the rotary table 3 rotates, because the stator 12 is an irregular disk and the top of the stator 12 is in a convex arc shape, when the telescopic cylinder 4 rotates to the top of the rotary table 3, the ejector rod 7 can be pushed upwards under the action of the rotary table 3, so that the metal rod 11 is pushed out to be contacted with the friction disc 2, at the moment, the motor 10 drives the metal rod 11 to rotate to be contacted with the friction disc 2 to generate electric charges, when the air flows through a gap between the telescopic cylinder 4 and the friction disc 2 on the rotary table 3, dust in the air can be charged, and meanwhile, when the rotary table 3 rotates to the bottom, by virtue of the interaction between magnets 9 with different magnetism in the pulley, the metal rod 11 is retracted, so that the metal rod 11 on the top rotating disc 3 cannot be contacted and collided with the metal rod 11 on the bottom rotating disc 3, the air pumped in by the air inlet pipeline 1 can only flow between the two telescopic cylinders 4 and can only be pumped out when the air inlet pipeline rotates to the other side of the friction disc 2, the effect that the dust can obtain electric charge can be ensured when the air introduced into the air inlet pipeline 1 passes through the electric charge area, the dust in the air can continuously move towards the right side under the action of the suction force of the air inlet pipeline 1 after passing through the area of the friction disc 2 by the air, the electric charge on the friction disc 2 is transferred to the filter screen 14 by the conducting wire 13, the dust with electric charge in the air cannot pass through the filter screen 14 by the principle that like-pole electric charges repel each other, the effect of separating the dust from the air is realized, and simultaneously, under the effect of the electromagnet 19 in the arranging groove 18 of the rotating plate 17, dust with electric charges is adsorbed on the rotating plate 17, after the screw air compressor is powered off, the electromagnet 19 loses power supply, the rotating plate 17 is pressed to deflect under the action of dust gravity, and then the dust on the rotating plate 17 is discharged from the through hole 16 at the bottom of the air inlet pipeline 1, so that the effects of collecting and discharging the dust in the air inlet pipeline 1 are achieved.
In summary, in the device for reducing the dust content in the air and improving the efficiency of the screw air compressor, air is extracted through the air inlet pipeline 1, so that the air flow entering the air inlet pipeline 1 pushes the telescopic cylinder 4, the telescopic cylinder 4 extends to a long end, the rotating disc 3 is driven to rotate by the aid of the flow force of the air, when the rotating disc 3 rotates, the stator 12 is an irregular disc, the top of the stator 12 is in a convex arc shape, when the telescopic cylinder 4 rotates to the top of the rotating disc 3, the ejector rod 7 is pushed upwards under the action of the rotating disc 3, so that the metal rod 11 is pushed out to be in contact with the friction disc 2, at the moment, the motor 10 drives the metal rod 11 to rotate to be in contact with the friction disc 2 to generate electric charges, when the air flows through a gap between the telescopic cylinder 4 and the friction disc 2 on the rotating disc 3, dust in the air is charged, and meanwhile, when the rotating disc, by means of interaction between the magnets 9 with different magnetism inside the pulley 8 and the stator 12, the metal rod 11 is retracted, so that the metal rod 11 on the top rotating disc 3 cannot be in contact collision with the metal rod 11 on the bottom rotating disc 3, and because the gas pumped in by the gas inlet pipeline 1 can only flow between the two telescopic cylinders 4 and can only be pumped out when the other side of the friction disc 2 rotates, the effect that the gas introduced into the gas inlet pipeline 1 can pass through a charge area is achieved, and the dust can obtain charges is guaranteed.
Moreover, the equipment for reducing the dust content in the air and improving the efficiency of the screw air compressor is characterized in that after the air passes through the area of the friction disc 2, the dust in the air is charged and then moves to the right side under the action of the suction force of the air inlet pipeline 1, the charge on the friction disc 2 is transferred to the filter screen 14 by the conductive wire 13, and by the principle that like charges repel each other, the dust charged in the air cannot pass through the filter screen 14, so that the dust is separated from the air, meanwhile, under the action of the electromagnet 19 in the arranging groove 18 of the rotating plate 17, the dust charged is adsorbed to the rotating plate 17, when the screw air compressor is powered off, the electromagnet 19 loses power supply, the rotating plate 17 is pressed to deflect under the action of the dust gravity, and then the dust on the rotating plate 17 is discharged from the through hole 16 at the bottom of the air inlet pipeline 1, the effect of collecting and discharging dust inside the air inlet duct 1 is achieved.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a reduce equipment that dust content improves screw compressor machine efficiency in gas, includes admission line (1), its characterized in that: the inner wall of the air inlet pipeline (1) is fixedly provided with a friction disc (2), the inner part of the air inlet pipeline (1) is movably provided with a rotary disc (3), the inner wall of the rotary disc (3) is fixedly provided with a telescopic cylinder (4), the inner wall of the telescopic cylinder (4) is provided with a sliding groove (5), the inner part of the sliding groove (5) is connected with a sliding rod (6) in a sliding manner, the bottom of the sliding rod (6) is fixedly provided with a mandril (7), the bottom of the mandril (7) is movably provided with a pulley (8), the inner part of the pulley (8) is fixedly provided with a magnet (9), the top of the sliding rod (6) is fixedly provided with a motor (10), the top of the motor (10) is fixedly provided with a metal rod (11), the inner part of the rotary disc (3) is fixedly provided with a stator, the utility model discloses an air inlet pipe, including inlet duct (1), inner wall fixed mounting at inlet duct (1) top has filter screen (14), the inner wall fixed mounting at inlet duct (1) top has iron plate (15), through-hole (16) have been seted up to the bottom of inlet duct (1), the inside movable mounting of through-hole (16) has commentaries on classics board (17), arrangement groove (18) have been seted up at the top of commentaries on classics board (17), the inside fixed mounting of arrangement groove (18) has electro-magnet (19), the bottom fixed mounting of inlet duct (1) has baffle (20), the top fixed mounting of baffle (20) has flexible pole (21).
2. The device for reducing the dust content in the gas and improving the efficiency of the screw air compressor as claimed in claim 1, is characterized in that: the length of the telescopic cylinder (4) arranged on the rotary table (3) extending out of the rotary table (2) is longer than the length of the telescopic cylinder remaining in the rotary table (3).
3. The device for reducing the dust content in the gas and improving the efficiency of the screw air compressor as claimed in claim 1, is characterized in that: the telescopic cylinder (4) is made of insulating wood.
4. The device for reducing the dust content in the gas and improving the efficiency of the screw air compressor as claimed in claim 1, is characterized in that: the inside of the pulley (8) is opposite to the magnetism of the magnet (9) inside the stator (12).
5. The device for reducing the dust content in the gas and improving the efficiency of the screw air compressor as claimed in claim 1, is characterized in that: the stator (12) is an irregular disk, and the top area of the right side of the stator (12) is in a convex arc shape.
6. The device for reducing the dust content in the gas and improving the efficiency of the screw air compressor as claimed in claim 1, is characterized in that: the electric lead (13) connects the friction disc (2) and the filter screen (14) together.
7. The device for reducing the dust content in the gas and improving the efficiency of the screw air compressor as claimed in claim 1, is characterized in that: the filter screen (14) is woven by metal wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253125.5A CN112983813A (en) | 2021-03-03 | 2021-03-03 | Equipment for reducing dust content in gas and improving efficiency of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253125.5A CN112983813A (en) | 2021-03-03 | 2021-03-03 | Equipment for reducing dust content in gas and improving efficiency of screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112983813A true CN112983813A (en) | 2021-06-18 |
Family
ID=76335563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110253125.5A Withdrawn CN112983813A (en) | 2021-03-03 | 2021-03-03 | Equipment for reducing dust content in gas and improving efficiency of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112983813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893404A (en) * | 2022-05-13 | 2022-08-12 | 扬州森源电气有限公司 | Screw air compressor machine is used in circuit breaker manufacturing |
-
2021
- 2021-03-03 CN CN202110253125.5A patent/CN112983813A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114893404A (en) * | 2022-05-13 | 2022-08-12 | 扬州森源电气有限公司 | Screw air compressor machine is used in circuit breaker manufacturing |
| CN114893404B (en) * | 2022-05-13 | 2022-12-23 | 扬州森源电气有限公司 | Screw air compressor machine is used in circuit breaker manufacturing |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210618 |
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| WW01 | Invention patent application withdrawn after publication |