CN211474462U

CN211474462U - Coal gas centrifugal blower

Info

Publication number: CN211474462U
Application number: CN201922081946.6U
Authority: CN
Inventors: 尹德志; 韩复东; 董瑞刚; 王灵斌
Original assignee: Shandong Haoyu Energy Co ltd
Current assignee: Shandong Haoyu Energy Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-11
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a coal gas centrifugal blower. The utility model discloses, including the casing, the lateral wall fixed mounting of casing has the motor, and the output fixed mounting of motor has the connecting axle, and the fixed surface mounting of connecting axle has the fixed plate, and one side fixed mounting of fixed plate has the impeller. The utility model discloses, rotation through the connecting axle drives impeller and planet carrier and rotates, along with the rotation of planet carrier, it rotates to drive the sun gear through the planet wheel, rotation through the sun gear, make first transmission shaft rotate, and gear drive second transmission shaft through first transmission shaft and the epaxial intermeshing of second transmission rotates, gear drive third transmission shaft through the epaxial intermeshing of second transmission shaft and third transmission equally rotates, the motion transmission through above-mentioned structure, utilize the change of drive ratio between the gear, accelerate the rotational speed of motor, rotate the fan wheel and carry out the speeding, the mouth is the pipe diameter that reduces the trend and change is inhaled in the cooperation simultaneously, the suction of coal gas entry has been strengthened.

Description

Coal gas centrifugal blower

Technical Field

The utility model relates to a centrifugal blower technical field specifically is a coal gas centrifugal blower.

Background

The gas blower is a special power device for conveying gas in the coke oven gas purification process. Generally, the method is arranged at the tail end of a gas purification process after the coke oven gas is initially cooled. The gas blower is mainly used for conveying and pressurizing gas and the like. The method has wide application in the industries of coke oven gas, converter gas and calcium carbide flue gas.

However, when the blower is used, there is a problem that, for example, the coke oven normally produces gas in an amount of 82000Nm³The maximum amount of raw gas is 85000Nm³More than h. The practical maximum gas delivery flow of the gas blower is 78000 and 79000Nm³And meanwhile, the suction force in front of the machine is small, and the normally produced coal gas cannot be sucked and conveyed, so that the pressure of a gas collecting pipe of the coke oven is increased, and the smoke is emitted from a drum cover of an ascending pipe, thereby restricting the yield of the coke oven.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal gas centrifugal blower to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal gas centrifugal blower comprises a casing, a motor is fixedly mounted on the side wall of the casing, a connecting shaft is fixedly mounted at the output end of the motor, a fixing plate is fixedly mounted on the outer surface of the connecting shaft, an impeller is fixedly mounted on one side of the fixing plate, a suction box is fixedly mounted at one end of the connecting shaft, a suction nozzle is communicated with the side wall of the suction box, a planet carrier is movably mounted inside the suction box, a planet wheel is meshed inside the planet carrier, a sun wheel is meshed with the planet wheel, a first transmission shaft is fixedly mounted at the axis of the sun wheel and is in transmission connection with a second transmission shaft, a third transmission shaft is in transmission connection with the second transmission shaft, a fan wheel is fixedly mounted at one end of the third transmission shaft, an air permeable disc is communicated with one end of the suction box, and a spring is fixedly mounted inside, and a stator is fixedly arranged at one end of the spring, and an output pipe is communicated with the bottom of the casing.

Preferably, the outer surface of one end of the first connecting shaft, which is close to the sun gear, is provided with a groove matched with the stator.

Preferably, one end of the connecting shaft is fixedly connected with the side wall of the planet carrier in a welding mode.

Preferably, the outer surfaces of the first transmission shaft and the third transmission shaft are fixedly provided with gears, the outer surface of the second transmission shaft is fixedly provided with two gears, and the two gears are respectively meshed with the gears arranged on the first transmission shaft and the third transmission shaft.

Preferably, the number of the planet wheels is three, and the three planet wheels are arranged on the periphery of the sun wheel in an annular array.

Preferably, the suction nozzle is in the shape of a circular truncated cone, the side of the suction nozzle with the smaller circular area is communicated with the suction box, and the side of the suction nozzle with the larger circular area is communicated with the side wall of the machine shell.

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

1. this coal gas centrifugal blower, the starter motor, the rotation through the motor output drives the connecting axle and rotates, rotation through the connecting axle drives impeller and planet carrier and rotates, rotation along with the planet carrier, it rotates to drive the sun gear through the planet wheel, rotation through the sun gear, make first transmission shaft rotate, and gear drive second transmission shaft through the intermeshing on first transmission shaft and the second transmission shaft rotates, gear drive third transmission shaft through intermeshing on second transmission shaft and the third transmission shaft equally rotates, the motion transmission through above-mentioned structure, utilize the change of drive ratio between the gear, accelerate the rotational speed of motor, rotate the fan wheel and carry out the speeding, the cooperation is inhaled the mouth simultaneously and is the pipe diameter that reduces the trend and change, the suction of coal gas entry has been strengthened.

2. This coal gas centrifugal blower, along with the coal gas of inhaling flows out and gets into the center of fixed plate through ventilative dish, along with the high-speed rotation of impeller, coal gas is along the blade of impeller to the marginal diffusion under the effect of centrifugal force to get into the center of next fixed plate, along with the progressive step by step of coal gas, export through the output tube at last, cooperate through multistage fixed plate and impeller, improved the capacity of impeller, improve the flow of blower.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the suction box of the present invention;

fig. 4 is a schematic view of the internal structure of the planet carrier of the present invention;

fig. 5 is an enlarged view of the internal structure of the portion a in fig. 4.

In the figure: the device comprises a machine shell 1, a motor 2, a connecting shaft 3, a fixing plate 4, an impeller 5, a suction box 6, a suction nozzle 7, a planet carrier 8, a planet wheel 9, a sun wheel 10, a first transmission shaft 11, a second transmission shaft 12, a third transmission shaft 13, a fan wheel 14, a ventilation disc 15, a spring 16, a stator 17 and an output pipe 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a coal gas centrifugal blower comprises a machine shell 1, wherein a motor 2 is fixedly arranged on the side wall of the machine shell 1, a connecting shaft 3 is fixedly arranged at the output end of the motor 2, the output end of the motor 2 penetrates through the side wall of the machine shell 1 and extends into the machine shell 1, a fixing plate 4 is fixedly arranged on the outer surface of the connecting shaft 3, impellers 5 are fixedly arranged on one side of the fixing plate 4, the fixing plate 4 and the impellers 5 are alternately arranged, the number of the fixing plate 4 is one more than that of the impellers 5, a suction box 6 is fixedly arranged at one end of the connecting shaft 3, a suction nozzle 7 is communicated with the side wall of the suction box 6, the suction nozzle 7 is in a circular truncated cone shape, one side with a smaller circular area of the suction nozzle 7 is communicated with the suction box 6, the side with a larger circular area is communicated with the side wall of the machine shell 1, and the side wall of the, the side with the larger circular area on the suction nozzle 7 is equal to the area of a through hole formed in the side wall of the machine shell 1, a planet carrier 8 is movably arranged in the suction box 6, one end of the connecting shaft 3 is fixedly connected with the side wall of the planet carrier 8 in a welding mode, planet wheels 9 are meshed in the planet carrier 8, the number of the planet wheels 9 is three, the three planet wheels 9 are arranged on the periphery of a sun wheel 10 in an annular array mode, the planet wheels 9 are meshed with a sun wheel 10, the sun wheel 10 and the planet wheels 9 are both fixedly arranged on the side wall of the suction box 6 through rotating shafts, a first transmission shaft 11 is fixedly arranged at the axis of the sun wheel 10, a groove matched with a stator 17 is formed in the outer surface of one end, close to the sun wheel 10, of the first connecting shaft 11, a second transmission shaft 12 is connected in a transmission mode, a third transmission shaft 13 is connected in a transmission mode, and gears are fixedly arranged, two gears are fixedly mounted on the outer surface of the second transmission shaft 12, the two gears are respectively meshed with gears arranged on the first transmission shaft 11 and the third transmission shaft 13, for example, the input rotating speed of the motor 2 is 27.24r/min, the speed ratio is 55.40 through the motion transmission of the structure, then the rotating speed output by the third transmission shaft 13 is 1509r/min, the rotating speed of the motor 2 is accelerated by utilizing the change of the transmission ratio between the gears, the rotating speed of the fan wheel 14 is accelerated, one end of the third transmission shaft 13 is fixedly mounted with the fan wheel 14, one end of the suction box 6 is communicated with the air permeable disc 15, a pipeline communicated with the suction box 6 and the interior of the machine shell 1 is opened in the air permeable disc 15, a spring 16 is fixedly mounted in the sun wheel 10, one end of the spring 16 is fixedly mounted with the stator 17, and the bottom of the machine shell 1 is communicated with the output pipe 18.

The working principle is as follows: when the gas transmission device is used, the motor 2 is started, the connecting shaft 3 is driven to rotate through the rotation of the output end of the motor 2, the impeller 5 and the planet carrier 8 are driven to rotate through the rotation of the connecting shaft 3, the sun gear 10 is driven to rotate through the planet gear 9 along with the rotation of the planet carrier 8, the first transmission shaft 11 is driven to rotate through the rotation of the sun gear 10, the second transmission shaft 12 is driven to rotate through the gears which are meshed with each other on the first transmission shaft 11 and the second transmission shaft 12, the third transmission shaft 13 is driven to rotate through the gears which are meshed with each other on the second transmission shaft 12 and the third transmission shaft 13, the rotation speed of the motor 2 is accelerated through the change of the transmission ratio between the gears through the motion transmission of the structure, the rotation speed of the fan wheel 14 is accelerated, the pipe diameter which is changed in a reduced trend is matched with the suction nozzle 7, the suction force of a gas inlet is enhanced, and the sucked gas flows, along with the high-speed rotation of the impeller 5, the coal gas diffuses towards the edge along the blades of the impeller 5 under the action of centrifugal force, enters the center of the next fixed plate 4, and is output through an output pipe 18 along with the gradual progression of the coal gas.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A coal gas centrifugal blower comprises a machine shell (1), and is characterized in that: the utility model discloses a novel solar suction machine, including casing (1), the lateral wall fixed mounting of casing (1) has motor (2), the output fixed mounting of motor (2) has connecting axle (3), the outer fixed surface of connecting axle (3) installs fixed plate (4), one side fixed mounting of fixed plate (4) has impeller (5), the one end fixed mounting of connecting axle (3) has suction box (6), the lateral wall intercommunication of suction box (6) has suction nozzle (7), the inside movable mounting of suction box (6) has planet carrier (8), the inside meshing of planet carrier (8) has planet wheel (9), planet wheel (9) meshing has sun gear (10), the axle center department fixed mounting of sun gear (10) has first transmission shaft (11), first transmission shaft (11) transmission is connected with second transmission shaft (12), second transmission shaft (12) transmission is connected with third transmission shaft (13), the one end fixed mounting of third transmission shaft (13) has fan wheel (14), the one end intercommunication of suction box (6) has ventilative dish (15), the inside fixed mounting of sun gear (10) has spring (16), the one end fixed mounting of spring (16) has stator (17), the bottom of casing (1) is switched on and is had output tube (18).

2. The gas centrifugal blower of claim 1, wherein: the outer surface of one end, close to the sun gear (10), of the first transmission shaft (11) is provided with a groove matched with the stator (17).

3. The gas centrifugal blower of claim 1, wherein: one end of the connecting shaft (3) is fixedly connected with the side wall of the planet carrier (8) in a welding mode.

4. The gas centrifugal blower of claim 1, wherein: the outer surface fixed mounting gear of first transmission shaft (11) and third transmission shaft (13), the outer surface fixed mounting of second transmission shaft (12) has two gears, and above-mentioned two gears mesh with the gear that sets up respectively on first transmission shaft (11) and the third transmission shaft (13).

5. The gas centrifugal blower of claim 1, wherein: the number of the planet wheels (9) is three, and the three planet wheels (9) are arranged on the periphery of the sun wheel (10) in an annular array mode.

6. The gas centrifugal blower of claim 1, wherein: the suction nozzle (7) is in a circular truncated cone shape, one side of the suction nozzle (7) with a smaller circular area is communicated with the suction box (6), and the side of the suction nozzle (7) with a larger circular area is communicated with the side wall of the machine shell (1).