CN219654918U - Special blower for conveying corrosive and toxic gas - Google Patents

Abstract

The utility model discloses a special blower for conveying corrosive and toxic gases, which relates to the field of blowers and comprises a housing, wherein a motor is arranged on one side of the housing, a bearing box is arranged above one side of the motor, an air inlet regulating valve is arranged at an air inlet of the housing, a first metal expansion soft joint is arranged on one side of the air inlet regulating valve, an air outlet check valve is connected at an air outlet of the housing, a second metal expansion soft joint is arranged on one side of the air outlet check valve, and an exhaust gas recovery pipe is arranged outside a joint of the bearing box and the housing. The utility model realizes that the tail gas recovery pipe is additionally arranged at the air inlet of the shell and the shaft penetrating part, and the tail gas recovery pipe can suck corrosive gas which is possibly leaked outwards into the air inlet of the fan in a negative pressure mode to form recovery, thereby reducing the possibility of leakage and ensuring the sealing of the fan to a certain extent.

Description

Special blower for conveying corrosive and toxic gas

Technical Field

The utility model relates to the field of blowers, in particular to a special blower for conveying corrosive and toxic gases.

Background

The blower mainly comprises the following six parts: the air blower is driven by eccentric rotor in cylinder, and the air is sucked, compressed and discharged by the volume change between blades in rotor slot, so that the lubricant is automatically fed into the oil nozzle by the pressure difference of blower, and the lubricant is dropped into cylinder to reduce friction and noise.

The patent number CN202381349U discloses a gas centrifugal blower, which consists of an upper casing, a lower casing, a left sliding bearing and a right sliding bearing, and is characterized in that the upper casing is locked with the lower casing, the left sliding bearing and the right sliding bearing are arranged in a bearing box, an air return pipe is arranged between an inlet ring seal and a shaft disc seal, the lower casing is connected with the bearing box through a connecting flange, a rotor is assembled in the bearing box, the gas centrifugal blower with the flow range of 1100-1400 m < 3 >/min is prevented from adopting a double high-speed blower, so that the equipment investment cost is reduced, but the gas possibly leaked outside cannot be recovered by the prior patent number CN202381349U, mechanical abrasion is increased by rotating the shaft body, the durability performance and the service life are possibly influenced by no protection, and a special blower for conveying corrosive and toxic gases is needed for the purpose.

Disclosure of Invention

Based on this, the present utility model aims to provide a special blower for conveying corrosive and toxic gases, so as to solve the technical problems that the existing patent number CN202381349U cannot recover the leaked gases, the rotation of the shaft body can increase mechanical wear, and the durability and the service life can be affected if the rotation is not protected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a carry special air-blower of corrosivity and poisonous gas, includes the casing, the motor is installed to one side of casing, and the top of motor one side is provided with the bearing box, the air inlet governing valve is installed to the air inlet department of casing, and one side of air inlet governing valve is provided with first metal inflation soft joint, the gas outlet department of casing is connected with the air outlet check valve, and one side of air outlet check valve is provided with second metal inflation soft joint, the outside of bearing box and casing junction is provided with the tail gas recovery pipe, the bearing box is connected with the casing and installs floating ring formula sealing mechanism, and floating ring formula sealing mechanism's top is provided with oil cup mechanism.

Preferably, the inner part of the shell is rotationally connected with the fan blade, the inner part of the bearing box is connected with a penetrating shaft, the penetrating shaft penetrates through the bearing box and extends to the inner part of the shell, and the penetrating shaft drives the fan blade to rotate in the inner part of the shell.

Preferably, an air inlet is formed in one side of the casing, and an air outlet is formed in the top end of the casing.

Preferably, one end of the exhaust gas recovery pipe penetrates the air inlet and extends into the inside thereof.

Preferably, rubber cushion blocks are arranged at the bottom end of the shell, the number of the rubber cushion blocks is multiple, and the rubber cushion blocks are distributed at the bottom end of the shell at equal intervals.

Preferably, a visual inspection port is formed in one side of the casing.

Preferably, a lifting lug is arranged above the outer side of the shell, and the lifting lug is connected with the shell in a welding way.

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

1. according to the utility model, through the arranged shell, the motor, the bearing box, the air inlet regulating valve, the first metal expansion soft joint, the air outlet check valve, the second metal expansion soft joint and the tail gas recovery pipe, the tail gas recovery pipe is additionally arranged at the air inlet of the shell and the shaft penetrating part, and can suck corrosive gas which is possibly leaked outwards into the air inlet of the fan in a negative pressure mode to form recovery, so that the possibility of leakage is reduced, and the sealing of the fan is ensured to a certain extent;

2. according to the utility model, through the floating ring type sealing mechanism and the oil cup mechanism, the oil cup mechanism is additionally arranged at the top end of the floating ring type sealing mechanism, and when the fan is used normally, the oil cup automatically drops oil according to the internal air pressure to form a sealing oil film, so that the state of liquid friction between the floating ring and the shaft is maintained, the mechanical abrasion is reduced, and the durability and the service life are improved.

Drawings

FIG. 1 is a front view of the present utility model;

fig. 2 is a side view of the present utility model.

In the figure: 1. a housing; 2. a motor; 3. a bearing housing; 4. an air inlet regulating valve; 5. the first metal is expanded and soft connected; 6. an air outlet check valve; 7. the second metal is expanded and connected in a soft way; 8. a tail gas recovery pipe; 9. a floating ring type sealing mechanism; 10. an oil cup mechanism; 11. a rubber cushion block; 12. and a visual inspection port.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1 and 2, a blower specially used for conveying corrosive and toxic gases comprises a housing 1, a motor 2 is installed on one side of the housing 1, a bearing box 3 is arranged above one side of the motor 2, a fan blade is rotatably connected in the housing 1, a penetrating shaft is connected in the bearing box 3 and penetrates through the bearing box 3 and extends to the interior of the housing 1, the penetrating shaft drives the fan blade to rotate in the housing 1, a belt pulley is connected to an output end of the motor, a driven belt pulley is arranged on one side of the bearing box 3, the belt pulley is rotatably connected with the driven belt pulley through a belt, when the motor 2 is started, the belt pulley drives the driven belt pulley to rotate, so that a shaft in the bearing box 3 is driven to rotate, the shaft penetrates through the housing 1 and extends to the interior of the bearing box, the fan blade in the housing 1 is driven to rotate, and accordingly the blower is rotated, an air inlet regulating valve 4 is arranged at an air inlet of the shell 1, a first metal expansion soft joint 5 is arranged at one side of the air inlet regulating valve 4, an air outlet check valve 6 is connected at an air outlet of the shell 1, a second metal expansion soft joint 7 is arranged at one side of the air outlet check valve 6, an air inlet is arranged at one side of the shell 1, an air outlet is arranged at the top end of the shell 1, the air inlet and the air outlet are connected with an air source and an output pipeline through the metal expansion soft joint, the metal expansion soft joint has better tightness, the air inlet regulating valve 4 of the air inlet can regulate the air inlet quantity, the check valve of the air outlet can avoid reversing the wind direction, the corrosive gas is prevented from reversing, an exhaust gas recovery pipe 8 is arranged at the outer side of the joint of the bearing box 3 and the shell 1, one end of the exhaust gas recovery pipe 8 penetrates through the air inlet and extends into the exhaust gas recovery pipe 8, the exhaust gas recovery pipe 8 possibly penetrates through the shell 1 at a penetrating shaft, make it retrieve to the air inlet through the suction that the air inlet produced to reduce the possibility that leaks probably takes place, improve the safety in utilization of device, casing 1 through setting up, motor 2, bearing box 3, air inlet governing valve 4, first metal expansion soft connect 5, air outlet check valve 6, second metal expansion soft connect 7, tail gas recovery pipe 8, realized that the air inlet department and the axle of casing 1 run through the department and set up tail gas recovery pipe 8 additional, tail gas recovery pipe 8 can be to the corrosive gas that probably leaks the mode of utilizing the negative pressure inhale the air intake of fan, form and retrieve, thereby reduce the possibility of leaking outward, the seal of fan has been ensured to a certain extent.

Referring to fig. 1 and 2, a special blower for conveying corrosive and toxic gases is provided, a floating ring type sealing mechanism 9 is installed on the bearing box 3 and a casing 1, an oil cup mechanism 10 is arranged at the top end of the floating ring type sealing mechanism 9, rubber cushion blocks 11 are arranged at the bottom end of the casing 1, the number of the rubber cushion blocks 11 is multiple groups, the multiple groups of the rubber cushion blocks 11 are equidistantly distributed at the bottom end of the casing 1, the rubber cushion blocks 11 are made of rubber materials, when the device is placed on the ground, the rubber cushion blocks 11 can play a certain damping and silencing purpose, the rubber cushion blocks 11 are softer in texture and larger in friction force, the purpose of stable placement is achieved, a visual inspection port 12 is formed in one side of the casing 1, a worker can conveniently maintain and check the sealing port, lifting lugs are arranged above the outer side of the casing 1, and are in welded connection with the casing 1, the lifting lugs are convenient to install the casing 1, the device is convenient to hoist, the use scene of the device is flexible, the application surface is made of rubber materials, the sealing mechanism 9 and the oil cup mechanism 10 is automatically arranged on the top end of the sealing mechanism, the oil film is automatically in the state, the oil film is automatically sealed by the sealing mechanism 10, the oil film is normally worn and the oil film is reduced, the oil film is normally, and the oil film is well-sealed, and the service life of the oil is well is guaranteed, and the oil is well and the well is well-balanced.

Working principle: when the device is used, an external power supply is needed to be connected, the external power supply provides electric energy for the device, the device can normally operate, firstly, the air inlet and the air outlet of the shell 1 are respectively connected by the first metal expansion soft joint 5 and the second metal expansion soft joint 7, the device is connected with an inhalation air source and an output end, then the device can be started, after the motor 2 is started, a shaft inside the bearing box 3 is driven by a belt to rotate, the shaft penetrates through the bearing box 3 and extends to the inside of the shell 1, the fan blades inside the shell 1 are driven to rotate, the fan blades inside the shell 1 drive air to transport and move, air is extracted from the air inlet to the air outlet, in the process, the tail gas recovery pipe 8 can recover corrosive gas which is possibly leaked outwards, so that the corrosive gas is recovered from one side of the bearing box 3 to the air inlet, and when the shaft rotates, the oil cup mechanism 10 at the top end of the floating ring sealing mechanism 9 can drip oil between the floating ring and the shaft, so that a sealing oil film is formed, the liquid friction state is kept between the floating ring and the shaft, the mechanical wear is reduced, the service performance is prolonged, and the service life of the device is not well known in the prior art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a special air-blower of transportation corrosivity and poisonous gas, includes casing (1), its characterized in that: the utility model discloses a motor, including casing (1), bearing housing (3), air inlet regulating valve (4), air outlet check valve (6), bearing housing (3), casing (1) are installed to one side of casing (1), and the air inlet regulating valve (4) is provided with first metal expansion soft joint (5) in one side, the gas outlet department of casing (1) is connected with air outlet check valve (6), and one side of air outlet check valve (6) is provided with second metal expansion soft joint (7), the outside of bearing housing (3) and casing (1) junction is provided with tail gas recovery pipe (8), be connected with bearing housing (3) and casing (1) and install floating ring formula sealing mechanism (9), and the top of floating ring formula sealing mechanism (9) is provided with oil cup mechanism (10).

2. A special blower for conveying corrosive and toxic gases according to claim 1, wherein: the inside rotation of casing (1) is connected with the fan blade, the inside connection of bearing box (3) has the through axle, and runs through the inside that the axle runs through bearing box (3) and extends to casing (1), the through axle drives the fan blade and rotates in the inside of casing (1).

3. A special blower for conveying corrosive and toxic gases according to claim 1, wherein: one side of the shell (1) is provided with an air inlet, and the top end of the shell (1) is provided with an air outlet.

4. A special blower for conveying corrosive and toxic gases according to claim 1, wherein: one end of the tail gas recovery pipe (8) penetrates through the air inlet and extends into the tail gas recovery pipe.

5. A special blower for conveying corrosive and toxic gases according to claim 1, wherein: the bottom of casing (1) is provided with rubber cushion (11), and the quantity of rubber cushion (11) is multiunit, multiunit rubber cushion (11) equidistance distributes in the bottom of casing (1).

6. A special blower for conveying corrosive and toxic gases according to claim 1, wherein: a visual inspection opening (12) is formed in one side of the shell (1).

7. A special blower for conveying corrosive and toxic gases according to claim 1, wherein: lifting lugs are arranged above the outer side of the shell (1), and are welded with the shell (1).