CN215539785U

CN215539785U - Vacuum waste gas treatment device of dry-type screw vacuum unit

Info

Publication number: CN215539785U
Application number: CN202122094327.8U
Authority: CN
Inventors: 刘国烘
Original assignee: Shenzhen Kaifu Mechanical & Electronic Equipment Co ltd
Current assignee: Shenzhen Kaifu Mechanical & Electronic Equipment Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a vacuum waste gas treatment device of a dry screw vacuum unit, which comprises a purification mechanism, wherein one side of the purification mechanism is provided with a dry screw vacuum unit body, a dry screw vacuum pump is an air extraction device which performs air suction and exhaust functions generated by synchronous high-speed reverse rotation in a pump shell, and when the device works, no friction exists between the dry screw vacuum unit body and the dry screw vacuum pump, the dry screw vacuum pump is stable in operation and low in noise, lubricating oil is not needed in a working cavity, treatment liquid is discharged through a plurality of air holes in a stirring pipe, so that waste gas is uniformly reacted with the treatment liquid, and the treatment liquid in a barrel shell is in a flowing state due to the arrangement of a water pump, a liquid outlet pipe and a liquid inlet pipe, so that the reaction efficiency of the treatment liquid and the waste gas is improved; through the setting of filter screen, make the impurity gathering in the treatment fluid in the retaining ring on the filter screen, through rotatory unscrewing hand screw, make first curb plate and second curb plate separation, can take out apron and filter screen, be convenient for carry out the clearance of filter screen.

Description

Vacuum waste gas treatment device of dry-type screw vacuum unit

Technical Field

The utility model relates to the technical field of waste gas treatment devices, in particular to a vacuum waste gas treatment device of a dry-type screw vacuum unit.

Background

At present, the development of various vacuum pumps is more and more influenced by vacuum application occasions, and the requirements of cleanness, oil-free performance, corrosion resistance, condensable steam pumping and operation under severe working conditions cannot be met by a general traditional vacuum pump system. The screw vacuum pump is an ideal pump type appearing in the early 90 s of the 20 th century, and has a series of advantages of wide pumping speed range, simple and compact structure, no friction element in a pump cavity, low energy consumption, no waste liquid discharge, low operation cost and the like, so that the screw vacuum pump is widely applied to the fields of semiconductors, photovoltaic industries, chemical industry, pharmacy, petrifaction, space simulation, low-pressure wind tunnels and the like.

However, the dry screw vacuum unit is easy to generate exhaust gas in the operation process, the exhaust gas contains a large amount of harmful substances, the reaction efficiency of the existing exhaust gas treatment device is low, and the exhaust gas is easy to overflow to cause air pollution, so that the dry screw vacuum unit vacuum exhaust gas treatment device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum waste gas treatment device of a dry screw vacuum unit, which enables waste gas to uniformly react with treatment liquid through the arrangement of a purification mechanism, avoids waste gas from overflowing and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a vacuum waste gas treatment device of a dry screw vacuum unit comprises a purification mechanism and a vacuum pump, wherein one side of the purification mechanism is provided with a dry screw vacuum unit body, an air inlet of the vacuum pump is connected with a first exhaust pipe, an air outlet of the vacuum pump is connected with a second exhaust pipe, the first exhaust pipe is communicated with the interior of the dry screw vacuum unit body, the purification mechanism comprises a barrel shell, a water pump, a pressure plate, an air inlet main pipe, a cover plate, a sealing cover and a motor, the second exhaust pipe is communicated with the interior of the sealing cover, one end of the air inlet main pipe is rotatably connected on the cover plate, the other end of the air inlet main pipe is rotatably connected on the pressure plate, the top of the pressure plate is provided with an air outlet, the pressure plate is provided with a through hole, the cover plate is detachably connected with the barrel shell, a first side plate is fixed on the side wall of the cover plate, a second side plate is fixed on the side wall of the barrel shell, first curb plate and second curb plate pass through hand screw fixed connection, it has the stirring pipe to admit air through the side pipe intercommunication in being responsible for, the stirring pipe outer wall is equipped with a plurality of gas pockets.

Preferably, the dry screw vacuum unit body is provided with an exhaust port, one end of the exhaust port is provided with a first flange, one end of the first exhaust pipe is fixed with a second flange, and the first flange is fixedly connected with the second flange.

Preferably, the second exhaust pipe penetrates through the sealing cover, and the second exhaust pipe is fixedly connected with the sealing cover.

Preferably, the staving shell inner wall is fixed with the spacing ring, staving shell one side is equipped with the water pump, the feed liquor pipe is installed to water pump one side, the drain pipe is installed to the water pump opposite side, feed liquor pipe and drain pipe all run through the staving shell.

Preferably, the liquid inlet pipe, the liquid outlet pipe and the barrel shell are communicated, the liquid inlet pipe is located above the limiting ring, and the liquid outlet pipe is located below the limiting ring.

Preferably, the top of the limiting ring is provided with a filter screen, the top of the filter screen is fixed with a fixing ring, and the bottom of the filter screen is attached to the top of the fixing ring.

Preferably, the conducting hole is equipped with two, two the conducting hole symmetry sets up at the pressure disk top, the pressure disk bottom laminates with the fixed ring top mutually, the main pipe one end of admitting air is passed through the bearing and is connected with the pressure disk rotation.

Preferably, the top of the main pipe that admits air is equipped with the opening, the main pipe lateral wall that admits air is equipped with two round holes, two the round hole is the symmetry setting, two round hole one end is equipped with the side pipe respectively, and the side pipe is responsible for fixed connection with admitting air, the side pipe is hollow structure.

Preferably, the stirring pipe is internally hollow, one end of the side pipe penetrates through the stirring pipe, the side pipe is fixedly connected with the stirring pipe, and the main air inlet pipe, the side pipe and the stirring pipe are communicated.

Preferably, the apron is run through at the person in charge top of admitting air, and admits air and be responsible for and rotate with the apron through the bearing and be connected, sealed cowling internally mounted has the motor, the output shaft of motor is fixed with driving pulley, it is fixed with driven pulley to admit air to be responsible for the top cup joint, driving pulley passes through belt drive with driven pulley and is connected.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the treatment liquid in the shell of the stirring barrel is continuously stirred in a rotating manner through the side pipe and the stirring pipe, the treatment liquid is discharged through the plurality of air holes on the stirring pipe, so that the waste gas is uniformly reacted with the treatment liquid, and the treatment liquid in the shell of the barrel is in a flowing state through the arrangement of the water pump, the liquid outlet pipe and the liquid inlet pipe, so that the reaction efficiency of the treatment liquid and the waste gas is improved;

2. through the setting of filter screen, make the impurity gathering in the treatment fluid in the retaining ring on the filter screen, through rotatory unscrewing hand screw, make first curb plate and second curb plate separation, can take out apron and filter screen, be convenient for carry out the clearance of filter screen.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the purification mechanism of the present invention;

FIG. 3 is a cross-sectional view of the seal housing of the present invention;

FIG. 4 is an enlarged view of FIG. 2 at A.

In the figure: 1. a dry screw vacuum unit body; 2. a first exhaust pipe; 3. a vacuum pump; 4. a purification mechanism; 41. a barrel body shell; 411. a limiting ring; 413. a liquid inlet pipe; 414. a liquid outlet pipe; 42. a water pump; 43. a fixing ring; 431. a filter screen; 44. a platen; 441. a via hole; 45. a main air inlet pipe; 451. a side tube; 452. a stirring pipe; 4521. air holes; 46. a cover plate; 460. air bleeding holes; 461. a first side plate; 462. screwing the screw by hand; 47. a sealing cover; 48. a motor; 481. a driving pulley.

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. 1-4, the present invention provides a technical solution: a vacuum waste gas treatment device of a dry-type screw vacuum unit comprises a purification mechanism 4 and a vacuum pump 3, wherein a dry-type screw vacuum unit body 1 is arranged on one side of the purification mechanism 4, an air inlet of the vacuum pump 3 is connected with a first exhaust pipe 2, an air outlet of the vacuum pump 3 is connected with a second exhaust pipe, and the first exhaust pipe 2 is communicated with the inside of the dry-type screw vacuum unit body 1;

purification mechanism 4 includes staving shell 41, water pump 42, pressure disk 44, the person in charge 45 admits air, apron 46, sealed cowling 47 and motor 48, the inside intercommunication of second blast pipe and sealed cowling 47, the person in charge 45 one end of admitting air is rotated and is connected on apron 46, the person in charge 45 other end of admitting air is rotated and is connected on pressure disk 44, bleed hole 460 has been seted up at the pressure disk 44 top, conducting hole 441 has been seted up on the pressure disk 44, apron 46 can be dismantled with staving shell 41 and be connected, apron 46 lateral wall is fixed with first curb plate 461, staving shell 41 lateral wall is fixed with the second curb plate, first curb plate 461 passes through hand screw 462 fixed connection with the second curb plate, it has agitator pipe 452 to admit air the person in charge 45 through side pipe 451 intercommunication, agitator pipe 452 outer wall is equipped with a plurality of gas pockets 4521, the setting of hand screw 462, be convenient for carry out the dismantlement of apron 46 and filter screen 431, thereby be convenient for carry out the clearance of filter screen 431.

The dry-type screw rod vacuum unit body 1 is equipped with the gas vent, and gas vent one end is equipped with first flange, and 2 one ends of first exhaust pipe are fixed with the second flange, first flange and second flange fixed connection.

The second exhaust pipe penetrates the sealing cover 47, and the second exhaust pipe is fixedly connected with the sealing cover 47.

Staving shell 41 inner wall is fixed with spacing ring 411, and staving shell 41 one side is equipped with water pump 42, and feed liquor pipe 413 is installed to water pump 42 one side, and drain pipe 414 is installed to water pump 42 opposite side, and feed liquor pipe 413 all runs through staving shell 41 with drain pipe 414, and water pump 42, drain pipe 414 and the setting of feed liquor pipe 413 make the processing liquid in staving shell 41 be in the mobile state to improve the reaction efficiency of processing liquid and waste gas.

The liquid inlet pipe 413 and the liquid outlet pipe 414 are communicated with the barrel body shell 41, the liquid inlet pipe 413 is positioned above the limiting ring 411, and the liquid outlet pipe 414 is positioned below the limiting ring 411.

The top of the limiting ring 411 is provided with a filter screen 431, the top of the filter screen 431 is fixed with a fixing ring 43, and the bottom of the filter screen 431 is attached to the top of the fixing ring 43. The treatment liquid is filtered by the filter screen 431, and impurities are collected by the fixing ring 43.

The conducting holes 441 are arranged two, the two conducting holes 441 are symmetrically arranged at the top of the pressure plate 44, the bottom of the pressure plate 44 is attached to the top of the fixing ring 43, one end of the air inlet main pipe 45 is rotatably connected with the pressure plate 44 through a bearing, and the filter screen 431 is tightly attached to the limiting ring 411 due to the arrangement of the pressure plate 44.

The top of the main air inlet pipe 45 is provided with an opening, the side wall of the main air inlet pipe 45 is provided with two round holes, the two round holes are symmetrically arranged, one ends of the two round holes are respectively provided with a side pipe 451, the side pipe 451 is fixedly connected with the main air inlet pipe 45, and the side pipe 451 is of a hollow structure.

The stirring pipe 452 has a hollow structure, one end of the side pipe 451 extends through the stirring pipe 452, the side pipe 451 is fixedly connected to the stirring pipe 452, and the main air inlet pipe 45, the side pipe 451 and the stirring pipe 452 are communicated with each other.

The apron 46 is run through at the main 45 top of admitting air, and the main 45 of admitting air passes through the bearing and is connected with apron 46 rotation, sealed cowling 47 internally mounted has motor 48, the output shaft of motor 48 is fixed with drive pulley 481, the main 45 top of admitting air is cup jointed and is fixed with driven pulley, drive pulley 481 passes through belt drive with driven pulley and is connected, drive pulley 481 passes through the belt and drives driven pulley rotatory, thereby it is rotatory to make the main 45 of admitting air, make the treatment fluid in the rotatory agitator body shell 41 of side tube 451 and agitator tube 452.

When the dry screw vacuum unit is used, the treatment liquid reacting with the waste gas is added through the vent holes 460 of the barrel shell 41, the waste gas in the dry screw vacuum unit body 1 is sucked through the vacuum pump 3, the waste gas is discharged into the sealing cover 47 through the second exhaust pipe, the motor 48 is started, the driving pulley 481 drives the driven pulley to rotate through the belt, so that the gas inlet main pipe 45 rotates, meanwhile, the waste gas is discharged into the side pipe 451 through the gas inlet main pipe 45 and is discharged into the stirring pipe 452 through the side pipe 451, the treatment liquid is discharged into the treatment liquid through the plurality of vent holes 4521 on the stirring pipe 452, the treatment liquid in the barrel shell 41 is continuously stirred through the side pipe 451 and the stirring pipe 452, the waste gas uniformly reacts with the treatment liquid, and the purified gas is discharged through the vent holes 460;

through starting water pump 42, make the liquid of filter screen 431 below inhale through drain pipe 414, and arrange in filter screen 431 top through drain pipe 414, make the interior impurity gathering of processing liquid in the solid fixed ring 43 on filter screen 431, make the interior processing liquid of staving shell 41 be in the mobile state, thereby improve the reaction efficiency of processing liquid and waste gas, through rotatory unscrewing hand screw 462, make first curb plate 461 and second curb plate separation, can take out apron 46 and filter screen 431, be convenient for carry out the clearance of filter screen 431.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry-type screw rod vacuum unit vacuum exhaust treatment device, includes purification mechanism (4) and vacuum pump (3), its characterized in that: the air purification device is characterized in that a dry-type screw vacuum unit body (1) is arranged on one side of the purification mechanism (4), a first exhaust pipe (2) is connected to an air inlet of the vacuum pump (3), a second exhaust pipe is connected to an air outlet of the vacuum pump (3), the first exhaust pipe (2) is communicated with the interior of the dry-type screw vacuum unit body (1), the purification mechanism (4) comprises a barrel shell (41), a water pump (42), a pressure plate (44), an air inlet main pipe (45), a cover plate (46), a sealing cover (47) and a motor (48), the second exhaust pipe is communicated with the interior of the sealing cover (47), one end of the air inlet main pipe (45) is rotatably connected to the cover plate (46), the other end of the air inlet main pipe (45) is rotatably connected to the pressure plate (44), an air outlet hole (460) is formed in the top of the pressure plate (44), and a conducting hole (441) is formed in the pressure plate (44), apron (46) can be dismantled with staving shell (41) and be connected, apron (46) lateral wall is fixed with first curb plate (461), staving shell (41) lateral wall is fixed with the second curb plate, first curb plate (461) and second curb plate pass through hand screw (462) fixed connection, it has stirring pipe (452) to admit air through side pipe (451) intercommunication on being responsible for (45), stirring pipe (452) outer wall is equipped with a plurality of gas pockets (4521).

2. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 1, wherein: the dry-type screw vacuum unit body (1) is provided with an exhaust port, one end of the exhaust port is provided with a first flange, one end of the first exhaust pipe (2) is fixedly provided with a second flange, and the first flange is fixedly connected with the second flange.

3. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 2, wherein: the second exhaust pipe penetrates through the sealing cover (47), and the second exhaust pipe is fixedly connected with the sealing cover (47).

4. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 1, wherein: staving shell (41) inner wall is fixed with spacing ring (411), staving shell (41) one side is equipped with water pump (42), feed liquor pipe (413) is installed to water pump (42) one side, drain pipe (414) is installed to water pump (42) opposite side, feed liquor pipe (413) all run through staving shell (41) with drain pipe (414).

5. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 4, wherein: feed liquor pipe (413), drain pipe (414) all communicate with each other and staving shell (41), feed liquor pipe (413) are located spacing ring (411) top, drain pipe (414) are located spacing ring (411) below.

6. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 5, wherein: spacing ring (411) top is equipped with filter screen (431), filter screen (431) top is fixed with solid fixed ring (43), filter screen (431) bottom is laminated mutually with solid fixed ring (43) top.

7. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 6, wherein: conducting hole (441) are equipped with two, two conducting hole (441) symmetry sets up at pressure disk (44) top, pressure disk (44) bottom is laminated mutually with solid fixed ring (43) top, the person in charge of admitting air (45) one end is passed through the bearing and is rotated with pressure disk (44) and be connected.

8. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 7, wherein: the utility model discloses a portable air conditioner, including the main pipe that admits air (45) top is equipped with the opening, the main pipe that admits air (45) lateral wall is equipped with two round holes, two the round hole is the symmetry and sets up, two round hole one end is equipped with side pipe (451) respectively, and side pipe (451) and main pipe (45) fixed connection that admits air, side pipe (451) are hollow structure.

9. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 8, wherein: the stirring pipe (452) is of a hollow structure, one end of the side pipe (451) penetrates through the stirring pipe (452), the side pipe (451) is fixedly connected with the stirring pipe (452), and the air inlet main pipe (45), the side pipe (451) and the stirring pipe (452) are communicated.

10. The vacuum waste gas treatment device of the dry screw vacuum unit according to claim 9, wherein: the cover plate (46) is run through at the top of the main pipe (45) admits air, and the main pipe (45) admits air is connected with the rotation of cover plate (46) through the bearing, sealed cowling (47) internally mounted has motor (48), the output shaft of motor (48) is fixed with drive pulley (481), the main pipe (45) top of admitting air is cup jointed and is fixed with driven pulley, drive pulley (481) passes through belt drive with driven pulley and is connected.