CN210048795U

CN210048795U - Hot air flow regulating valve for ironmaking blast furnace tuyere

Info

Publication number: CN210048795U
Application number: CN201920629448.8U
Authority: CN
Inventors: 于成龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-02-11
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a hot air flow regulating valve for an ironmaking blast furnace tuyere, which comprises a driving wheel, a regulating valve body and a cleaning mechanism, wherein a fixed wheel is arranged at the inner side of the driving wheel, the outer surface of the fixed wheel is rotationally connected with a rotating gear, connecting bolts are arranged at both sides of the rotating gear and are fixedly connected with the fixed wheel and the regulating valve body, a hydraulic cylinder B is rotationally connected at the inner side of the driving wheel and is fixedly connected with the regulating valve body; the cleaning mechanism is cotton including the brush, the cotton inboard of brush is provided with the fixed slot, and fixed slot and valve fixed connection, the front surface fixed connection of fixed slot has fixing bolt, and brush cotton and fixed slot be convenient for the fastening connection the device's bolt through having designed the rotatory gear of installing on drive wheel, tight pulley and the tight pulley of governing valve shell inboard, the effectual availability factor that improves the device has saved installation time, has reduced the consumption of manpower resources.

Description

Hot air flow regulating valve for ironmaking blast furnace tuyere

Technical Field

The utility model belongs to the technical field of the blast furnace, concretely relates to ironmaking blast furnace tuyere hot air flow control valve.

Background

The blast furnace uses steel plate as furnace shell, and refractory brick lining is built in the shell. The blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth 5 from top to bottom. Because of the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like of the blast furnace ironmaking technology, the iron produced by the method accounts for the vast majority of the total iron production in the world. In the production of a blast furnace, iron ore, coke, and a flux for slag formation are charged from the top of the furnace, and preheated air is blown into the furnace through tuyeres located along the periphery of the furnace at the lower part of the furnace. Carbon in the coke is burnt with oxygen blown into the air at high temperature to generate carbon monoxide and hydrogen, and oxygen in the iron ore is removed in the ascending process in the furnace, so that iron is obtained by reduction. The smelted molten iron is discharged from the iron notch. Unreduced impurities in the iron ore are combined with fluxes such as limestone to generate slag, and the slag is discharged from a slag hole. The generated gas is discharged from the top of the furnace, and is used as fuel for hot blast stoves, heating furnaces, coke ovens, boilers and the like after dust removal. The main products of blast furnace smelting are pig iron, and blast furnace slag and blast furnace gas are also by-products.

The existing hot air flow regulating valve for the tuyere of the iron-making blast furnace is connected with an external pipeline through a bolt and a flange, and because the number of flange screw holes is large, the problems that the time and the labor are wasted when the valve is installed and the use efficiency of the valve is influenced are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an iron-making blast furnace tuyere hot air flow control valve to it all is connected with external pipeline through bolt and flange and bolt to propose current iron-making blast furnace tuyere hot air flow control valve in solving above-mentioned background art, because the flange screw is more, thereby leads to its comparatively wasting time and energy when the installation, influences its availability factor's problem.

In order to achieve the above object, the utility model provides a following technical scheme: iron-smelting blast furnace tuyere hot air flow control valve, including drive wheel, governing valve body and clearance mechanism, the inboard of drive wheel is provided with the tight pulley, the surface rotation of tight pulley is connected with rotary gear, rotary gear's both sides all are provided with the connecting bolt, and the equal fixed connection of connecting bolt and tight pulley and governing valve body, the inboard rotation of drive wheel is connected with pneumatic cylinder B, and pneumatic cylinder B and governing valve body fixed connection, the upper surface of drive wheel is provided with driving motor, and driving motor and governing valve body fixed connection, driving motor's one end fixedly connected with drive gear, and drive gear and drive wheel intermeshing.

Preferably, the governing valve body includes the governing valve shell, the inside of governing valve shell is provided with the valve, the front surface of governing valve shell rotates and is connected with the main shaft, the front surface fixed connection of main shaft has the connecting rod, and the connecting rod all rotates with valve and governing valve shell to be connected, the one end of main shaft is rotated and is connected with pneumatic cylinder A, and pneumatic cylinder A and governing valve shell fixed connection.

Preferably, clearance mechanism is including brushing cotton, the cotton inboard of brush is provided with the fixed slot, and fixed slot and valve fixed connection, the front surface fixed connection of fixed slot has fixing bolt, and brushes cotton and pass through fixing bolt fixed connection with the fixed slot.

Preferably, the section shape of the driving wheel is circular ring shape, the front end of the inner wall of the driving wheel is provided with a bulge, the rear surface of the driving wheel is provided with a bulge, the outer surface of the bulge is provided with a tooth groove, and the rear end of the inner wall of the driving wheel is provided with a bearing.

Preferably, a hexagonal hole is formed in the middle of the front surface of the rotating gear, and a bearing is arranged on the rear surface of the rotating gear.

Preferably, the sectional shape of the fixing groove is 'L' -shaped, a circular hole is formed in the front surface of the fixing groove, and a threaded protrusion is formed in the inner wall of the hole.

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

(1) the bolts which are arranged on the driving wheel, the fixed wheel and the fixed wheel on the inner side of the regulating valve shell and are convenient for fastening and connecting the device are designed, so that the use efficiency of the device is effectively improved, the installation time is saved, and the consumption of manpower resources is reduced.

(2) The brush cotton arranged at the upper end and the lower end of the front surface and the rear surface of the valve is convenient for cleaning the regulating valve shell, so that the foreign matters are prevented from being stuck on the inner wall of the regulating valve shell, and the normal opening and closing of the valve are prevented.

Drawings

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

FIG. 2 is a schematic view of a driving wheel of the present invention;

FIG. 3 is a schematic side view of the driving wheel of the present invention;

FIG. 4 is a schematic side view of a rotary gear portion of the present invention;

FIG. 5 is a schematic view of a valve structure of the present invention;

fig. 6 is a schematic side view of the fixing groove portion of the present invention.

In the figure: 1. a regulator valve housing; 2. a main shaft; 3. a connecting rod; 4. a valve; 5. a drive wheel; 6. brushing cotton; 7. a hydraulic cylinder A; 8. a fixed wheel; 9. a rotating gear; 10. a connecting bolt; 11. a drive gear; 12. a drive motor; 13. a hydraulic cylinder B; 14. fixing grooves; 15. and (5) fixing the bolt.

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. 1-6, the present invention provides a technical solution: iron-smelting blast furnace tuyere hot air flow control valve, including drive wheel 5, governing valve body and clearance mechanism, the inboard of drive wheel 5 is provided with tight pulley 8, the surface rotation of tight pulley 8 is connected with rotary gear 9, rotary gear 9's both sides all are provided with tie-bolt 10, and tie-bolt 10 and the equal fixed connection of tight pulley 8 and governing valve body, the inboard rotation of drive wheel 5 is connected with pneumatic cylinder B13, and pneumatic cylinder B13 and governing valve body fixed connection, the upper surface of drive wheel 5 is provided with driving motor 12, and driving motor 12 and governing valve body fixed connection, the one end fixedly connected with drive gear 11 of driving motor 12, and

drive gear

11 and 5 intermeshing of drive wheel, for the convenience of the bolt of fastening connection the device.

In order to ensure the use of the device, in this embodiment, preferably, the regulating valve body includes a regulating valve housing 1, a valve 4 is disposed inside the regulating valve housing 1, a main shaft 2 is rotatably connected to the front surface of the regulating valve housing 1, a connecting rod 3 is fixedly connected to the front surface of the main shaft 2, the connecting rod 3 is rotatably connected to the valve 4 and the regulating valve housing 1, a hydraulic cylinder a7 is rotatably connected to one end of the main shaft 2, and the hydraulic cylinder a7 is fixedly connected to the regulating valve housing 1.

In order to facilitate cleaning the inner wall of the regulating valve housing 1, in the present embodiment, preferably, the cleaning mechanism includes brush cotton 6, a fixing groove 14 is provided on the inner side of the brush cotton 6, the fixing groove 14 is fixedly connected to the valve 4, a fixing bolt 15 is fixedly connected to the front surface of the fixing groove 14, and the brush cotton 6 is fixedly connected to the fixing groove 14 through the fixing bolt 15.

In order to facilitate fastening the nut, in this embodiment, preferably, the cross-sectional shape of the driving wheel 5 is a circular ring, a protrusion is disposed at the front end of the inner wall of the driving wheel 5, a protrusion is disposed on the rear surface of the driving wheel 5, a tooth groove is disposed on the outer surface of the protrusion, and a bearing is disposed at the rear end of the inner wall of the driving wheel 5.

In order to facilitate the fastening of the nut, in the present embodiment, it is preferable that a hexagonal hole is provided at a middle position of a front surface of the rotary gear 9, and a bearing is provided at a rear surface of the rotary gear 9.

In order to fix the brush cotton 6, in the present embodiment, it is preferable that the sectional shape of the fixing groove 14 is an "L" shape, and a circular hole is formed on the front surface of the fixing groove 14, and a thread protrusion is formed on the inner wall of the hole.

The utility model discloses a theory of operation and use flow: after the device is installed, the device is aligned with an external pipeline, then a bolt is inserted, then a nut is sleeved on the bolt through holes in a fixed wheel 8 and a rotating gear 9, the nut is clamped with the rotating gear 9, a hydraulic cylinder B13 is driven to extend, the driving wheel 5 moves towards two ends of a regulating valve shell 1 and is sleeved on the outer surface of the fixed wheel 8, finally a driving motor 12 is started, the driving motor 12 drives a driving gear 11 to rotate, the driving gear 11 drives the driving wheel 5 to rotate, the driving wheel 5 drives the rotating gear 9 to rotate, the rotating gear 9 drives a nut embedded in the rotating gear 9 to rotate, so that the nut is fastened, finally, fixed connection is realized, then brush cotton 6 is inserted into the inner side of a fixed groove 14 and is fixed by using a fixed bolt 15, then the device can be normally used, the brush cotton 6 can rotate along with a valve 4 during the use of the device, thereby cleaning the inner wall of the regulating valve housing 1 and preventing foreign objects from preventing the valve 4 from closing.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ironmaking blast furnace tuyere hot air flow control valve, including drive wheel (5), governing valve body and clearance mechanism, its characterized in that: the inboard of drive wheel (5) is provided with tight pulley (8), the surface rotation of tight pulley (8) is connected with rotary gear (9), the both sides of rotary gear (9) all are provided with connecting bolt (10), and connecting bolt (10) and tight pulley (8) and the equal fixed connection of governing valve body, the inboard rotation of drive wheel (5) is connected with pneumatic cylinder B (13), and pneumatic cylinder B (13) and governing valve body fixed connection, the upper surface of drive wheel (5) is provided with driving motor (12), and driving motor (12) and governing valve body fixed connection, the one end fixedly connected with drive gear (11) of driving motor (12), and drive gear (11) and drive wheel (5) intermeshing.

2. The ironmaking blast furnace tuyere hot air flow regulating valve according to claim 1, characterized in that: the utility model discloses a governing valve, including governing valve shell (1), governing valve body includes governing valve shell (1), the inside of governing valve shell (1) is provided with valve (4), the front surface of governing valve shell (1) rotates and is connected with main shaft (2), the front surface fixed connection of main shaft (2) is connected with connecting rod (3), and connecting rod (3) all rotate with valve (4) and governing valve shell (1) and be connected, the one end of main shaft (2) is rotated and is connected with pneumatic cylinder A (7), and pneumatic cylinder A (7) and governing valve shell (1) fixed connection.

3. The ironmaking blast furnace tuyere hot air flow regulating valve according to claim 2, characterized in that: the cleaning mechanism comprises brush cotton (6), a fixing groove (14) is formed in the inner side of the brush cotton (6), the fixing groove (14) is fixedly connected with the valve (4), a fixing bolt (15) is fixedly connected to the front surface of the fixing groove (14), and the brush cotton (6) is fixedly connected with the fixing groove (14) through the fixing bolt (15).

4. The ironmaking blast furnace tuyere hot air flow regulating valve according to claim 1, characterized in that: the section shape of drive wheel (5) is ring shape, and the inner wall front end of drive wheel (5) is provided with the arch, and the rear surface of drive wheel (5) is provided with the arch, and protruding surface is provided with the tooth's socket, the inner wall rear end of drive wheel (5) is provided with the bearing.

5. The ironmaking blast furnace tuyere hot air flow regulating valve according to claim 1, characterized in that: the middle position of the front surface of the rotating gear (9) is provided with a hexagonal hole, and the rear surface of the rotating gear (9) is provided with a bearing.

6. The ironmaking blast furnace tuyere hot air flow regulating valve according to claim 3, characterized in that: the sectional shape of the fixing groove (14) is L-shaped, a circular hole is formed in the front surface of the fixing groove (14), and a threaded protrusion is arranged on the inner wall of the hole.