CN211601525U

CN211601525U - Annular furnace body air inlet mechanism with uniform air inlet

Info

Publication number: CN211601525U
Application number: CN202020225997.1U
Authority: CN
Inventors: 朱小伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-09-29
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses an even annular furnace body admission mechanism admits air, concretely relates to vertical tube furnace technical field, including set up in the positive and negative motor at vertical tube furnace top, be fixed in the spout board on the vertical tube furnace inner wall, with spout board swing joint's the mechanism of admitting air and the intake pipe that runs through the vertical tube furnace outer wall, positive and negative motor output shaft has the rotation axis, rotation axis downwardly extending just runs through the vertical tube furnace, the outside cover in rotation axis bottom is equipped with the sleeve pipe, all be provided with the screw thread on rotation axis outer wall and the sheathed tube inner wall, the spout has been seted up on the spout board, the inside slider that is provided with of spout, the cross-section of spout and slider all sets up to "protruding" font, the slider outer wall is identical with the spout inner wall. The utility model discloses avoid reducing coal gas and distribute inhomogeneously on the shaft furnace cross-section, promote the coal gas utilization ratio and the production efficiency of shaft furnace, reduced the fuel ratio and the manufacturing cost of shaft furnace.

Description

Annular furnace body air inlet mechanism with uniform air inlet

Technical Field

The utility model relates to a vertical tube furnace technical field, more specifically say, the utility model relates to an even annular furnace body mechanism of admitting air admits air.

Background

The reducing gas is sprayed into the shaft furnace through a gas ring pipe arranged in the middle of the shaft furnace and gas holes uniformly distributed on the gas ring pipe. Along with the increase of the diameter of the shaft furnace, reducing gas is difficult to reach the central area of the shaft furnace from the peripheral area of the shaft furnace, the gas distribution on the cross section of the shaft furnace is uneven, the gas utilization rate and the production efficiency of the shaft furnace are reduced, and the fuel ratio and the production cost of the shaft furnace are increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a uniform annular furnace body mechanism of admitting air that coal gas utilization ratio and production efficiency are high.

In order to solve the technical problem, the utility model provides a following technical scheme: an annular furnace body air inlet mechanism with uniform air inlet comprises a forward and reverse rotating motor arranged at the top of a vertical tube furnace, a chute plate fixed on the inner wall of the vertical tube furnace, an air inlet mechanism movably connected with the chute plate and an air inlet pipe penetrating through the outer wall of the vertical tube furnace, wherein an output shaft of the forward and reverse rotating motor is connected with a rotating shaft, the rotating shaft extends downwards and penetrates through the vertical tube furnace, a sleeve is sleeved outside the bottom end of the rotating shaft, threads are arranged on the outer wall of the rotating shaft and the inner wall of the sleeve, a sliding groove is formed in the chute plate, a sliding block is arranged in the sliding groove, the cross sections of the sliding groove and the sliding block are both arranged in a convex shape, and;

the mechanism of admitting air includes punch holder and lower plate, sets up the gas-supply pipe between punch holder and lower plate and sets up on the gas-supply pipe outer wall and with the reposition of redundant personnel trachea of gas-supply pipe intercommunication, be provided with solenoid valve on the reposition of redundant personnel trachea, the tip that the gas-supply pipe was kept away from to the reposition of redundant personnel trachea is provided with a plurality of connecting rods, and is a plurality of the tip fixed mounting of connecting rod has the drainage cover, the lower plate bottom is run through and is equipped with transmission pipe, transmission pipe top and gas-supply pipe intercommunication.

In a preferred embodiment, the number of the sliding blocks is provided in plurality, and the plurality of the sliding blocks are fixedly connected with the upper clamping plate and the lower clamping plate respectively

In a preferred embodiment, a screw rod penetrates between the upper clamping plate and the lower clamping plate, the upper clamping plate and the lower clamping plate are fixedly connected through the screw rod, mounting grooves are formed in the bottom of the upper clamping plate and the top of the lower clamping plate respectively, and the mounting grooves are matched with the outer wall of the gas conveying pipe.

In a preferred embodiment, a sealing filler is embedded at the joint of the rotating shaft and the shaft furnace, and the bottom end of the sleeve is fixedly connected with the top of the upper clamping plate.

In a preferred embodiment, the air inlet pipe is arranged in a bent manner, and the bottom end of the transmission pipe is connected with the air inlet pipe and extends to the inside of the air inlet pipe.

In a preferred embodiment, the inner diameter of the air inlet pipe is larger than the outer diameter of the transmission pipe, the bottom end of the transmission pipe is sleeved with a high-temperature-resistant rubber pad, and the outer wall of the high-temperature-resistant rubber pad is attached to the inner wall of the air inlet pipe.

The utility model discloses a technological effect and advantage:

1. the reducing gas entering the inner cavity of the vertical tube furnace is adjusted by the aid of the drainage cover, and the air inlet mechanism capable of moving up and down is arranged, so that the flow dividing gas pipe can move up and down in the vertical tube furnace, the gas conveyed by the flow dividing gas pipe can be distributed in the vertical tube furnace, the reducing gas is prevented from being distributed unevenly on the cross section of the vertical tube furnace, the gas utilization rate and the production efficiency of the vertical tube furnace are improved, and the fuel ratio and the production cost of the vertical tube furnace are reduced;

2. through utilizing two upper and lower splint fixed gas-supply pipes to promote the stability of gas-supply pipe installation, set up the sealing packing and can promote the sealing performance of rotation axis and shaft furnace junction, set up high temperature resistant rubber pad and fill the gap between gas-supply pipe inner wall and the transmission pipe outer wall, can promote the sealing performance that intake pipe and transmission pipe are connected, utilize identical slider and spout, can promote the stability of air inlet mechanism at the removal in-process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the top view structure of the gas pipe part of the present invention.

Fig. 3 is a schematic diagram of a detailed structure of the position a in fig. 1 according to the present invention.

Fig. 4 is a schematic view of the structure of the joint between the transmission pipe and the intake pipe of the present invention.

The reference signs are: the device comprises a positive and negative rotation motor 1, a sliding chute plate 2, an air inlet mechanism 3, an air inlet pipe 4, a rotating shaft 5, a sleeve 6, a high-temperature-resistant rubber pad 7, a sliding chute 8, a sliding block 9, an upper clamping plate 10, a lower clamping plate 11, an air delivery pipe 12, a split air pipe 13, an electromagnetic valve 14, a connecting rod 15, a drainage cover 16, a transmission pipe 17, a screw rod 18, an installation groove 19 and a sealing filler 20.

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.

The annular furnace body air inlet mechanism with uniform air inlet shown in fig. 1-4 comprises a forward and reverse rotation motor 1 arranged at the top of a vertical tube furnace, a chute plate 2 fixed on the inner wall of the vertical tube furnace, an air inlet mechanism 3 movably connected with the chute plate 2 and an air inlet pipe 4 penetrating through the outer wall of the vertical tube furnace, wherein an output shaft of the forward and reverse rotation motor 1 is connected with a rotating shaft 5, the rotating shaft 5 extends downwards and penetrates through the vertical tube furnace, a sleeve 6 is sleeved outside the bottom end of the rotating shaft 5, threads are arranged on the outer wall of the rotating shaft 5 and the inner wall of the sleeve 6, a sliding groove 8 is arranged on the chute plate 2, a sliding block 9 is arranged inside the sliding groove 8, the cross sections of the sliding groove 8 and the sliding block 9 are both arranged in a shape like a Chinese character 'tu';

air inlet mechanism 3 includes symmetrical punch holder 10 and lower plate 11 from top to bottom, sets up gas-supply pipe 12 between punch holder 10 and lower plate 11 and sets up on gas-supply pipe 12 outer wall and with the reposition of redundant personnel trachea 13 of gas-supply pipe 12 intercommunication, be provided with solenoid valve 14 on the reposition of redundant personnel trachea 13, the tip that gas-supply pipe 12 was kept away from to reposition of redundant personnel trachea 13 is provided with a plurality of connecting rods 15, and is a plurality of the tip fixed mounting of connecting rod 15 has

drainage cover

16, 11 bottoms of lower plate run through and are equipped with transmission pipe 17, transmission pipe 17 top and gas-supply pipe 12 intercommunication.

The number of the sliding blocks 9 is multiple, the sliding blocks 9 are respectively fixedly connected with the upper clamping plate 10 and the lower clamping plate 11, and the sliding blocks 9 move in the sliding grooves 8 to limit the movement of the upper clamping plate 10 and the lower clamping plate 11;

a screw 18 penetrates between the upper splint 10 and the lower splint 11, the upper splint 10 and the lower splint 11 are fixedly connected through the screw 18, mounting grooves 19 are formed in the bottom of the upper splint 10 and the top of the lower splint 11, the mounting grooves 19 are matched with the outer wall of the gas pipe 12, the screw 18 is used for fixedly mounting the upper splint 10 and the lower splint 11, and the gas pipe 12 is fixed in the mounting groove 19 between the upper splint 10 and the lower splint 11 so as to improve the mounting stability of the gas pipe 12;

the sealing filler 20 is embedded at the joint of the rotating shaft 5 and the shaft furnace, the bottom end of the sleeve 6 is fixedly connected with the top of the upper clamping plate 10, the rotating shaft 5 can push the sleeve 6 and the upper clamping plate 10 to move on the chute plate 2 when rotating by utilizing the threads on the rotating shaft 5 and the sleeve 6, and the sealing filler 20 can improve the sealing performance of the joint of the rotating shaft 5 and the shaft furnace;

the air inlet pipe 4 is arranged in a bent mode, the bottom end of the transmission pipe 17 is connected with the air inlet pipe 4 and extends into the air inlet pipe 4, the inner diameter of the air inlet pipe 4 is larger than the outer diameter of the transmission pipe 17, the high-temperature-resistant rubber pad 7 is sleeved at the bottom end of the transmission pipe 17, the outer wall of the high-temperature-resistant rubber pad 7 is attached to the inner wall of the air inlet pipe 4, the high-temperature-resistant rubber pad 7 is arranged to fill a gap between the inner wall of the air inlet pipe 4 and the outer wall of the transmission pipe 17, and.

Referring to the attached figures 1-4 of the specification: when the coal gas reducing furnace works, external reducing coal gas enters the gas conveying pipe 12 from the gas inlet pipe 4 and the conveying pipe 17, the electromagnetic valves 14 at different positions are controlled to be opened according to the requirements of a production process, so that the reducing coal gas is output to the inside of the vertical pipe furnace from the end part of the gas dividing pipe 13, when the reducing coal gas is output, the reducing coal gas can be guided through the guide cover 16, in the conveying process of the reducing coal gas, the forward and reverse rotating motor 1 can be controlled to rotate to drive the sleeve 6 at the bottom of the rotating shaft 5 to move downwards by utilizing threads, the upper clamping plate 10 and the lower clamping plate 11 are pushed to move downwards on the chute plate 2, so that the height of the gas dividing pipe 13 in the gas inlet mechanism 3 is changed, then the forward and reverse rotating motor 1 is driven to rotate in a reciprocating manner up and down in the vertical pipe furnace to drive the whole gas inlet mechanism 3 to move in a reciprocating manner up and down in the vertical, the reduction coal gas is prevented from being unevenly distributed on the cross section of the vertical tube furnace, and the coal gas utilization rate of the vertical tube furnace is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an even annular furnace body mechanism of admitting air, is including setting up in the positive and negative motor (1) of rotating at the shaft furnace top, being fixed in chute board (2) on the standpipe furnace inner wall, with chute board (2) swing joint's mechanism (3) of admitting air and intake pipe (4) that run through the standpipe furnace outer wall, its characterized in that: the output shaft of the forward and reverse rotation motor (1) is connected with a rotating shaft (5), the rotating shaft (5) extends downwards and penetrates through the shaft furnace, a sleeve (6) is sleeved outside the bottom end of the rotating shaft (5), threads are arranged on the outer wall of the rotating shaft (5) and the inner wall of the sleeve (6), a sliding groove (8) is formed in the sliding groove plate (2), a sliding block (9) is arranged inside the sliding groove (8), the cross sections of the sliding groove (8) and the sliding block (9) are both in a convex shape, and the outer wall of the sliding block (9) is matched with the inner wall of the sliding groove (8);

air inlet mechanism (3) including punch holder (10) and lower plate (11) of upper and lower symmetry, set up gas-supply pipe (12) between punch holder (10) and lower plate (11) and set up on gas-supply pipe (12) outer wall and with reposition of redundant personnel trachea (13) of gas-supply pipe (12) intercommunication, be provided with solenoid valve (14) on reposition of redundant personnel trachea (13), the tip that gas-supply pipe (12) were kept away from in reposition of redundant personnel trachea (13) is provided with a plurality of connecting rods (15), and is a plurality of the tip fixed mounting of connecting rod (15) has drainage cover (16), punch through and be equipped with transmission pipe (17) bottom punch holder (11), transmission pipe (17) top and gas-supply pipe (12) intercommunication.

2. The annular furnace body air inlet mechanism with uniform air inlet according to claim 1, characterized in that: the number of the sliding blocks (9) is set to be a plurality of, and the sliding blocks (9) are fixedly connected with the upper clamping plate (10) and the lower clamping plate (11) respectively.

3. The annular furnace body air inlet mechanism with uniform air inlet according to claim 1, characterized in that: screw rod (18) have been run through between punch holder (10) and lower plate (11), punch holder (10) and lower plate (11) pass through screw rod (18) fixed connection, mounting groove (19) have all been seted up at punch holder (10) bottom and lower plate (11) top, mounting groove (19) are identical with gas-supply pipe (12) outer wall.

4. The annular furnace body air inlet mechanism with uniform air inlet according to claim 1, characterized in that: the joint of the rotating shaft (5) and the shaft furnace is embedded with a sealing filler (20), and the bottom end of the sleeve (6) is fixedly connected with the top of the upper clamping plate (10).

5. The annular furnace body air inlet mechanism with uniform air inlet according to claim 1, characterized in that: the air inlet pipe (4) is arranged in a bent mode, and the bottom end of the transmission pipe (17) is connected with the air inlet pipe (4) and extends into the air inlet pipe (4).

6. The annular furnace body air inlet mechanism with uniform air inlet according to claim 1, characterized in that: the inner diameter of the air inlet pipe (4) is larger than the outer diameter of the transmission pipe (17), the bottom end of the transmission pipe (17) is sleeved with a high-temperature-resistant rubber pad (7), and the outer wall of the high-temperature-resistant rubber pad (7) is attached to the inner wall of the air inlet pipe (4).