CN213707040U - Three-way distributing valve special for coal injection - Google Patents
Three-way distributing valve special for coal injection Download PDFInfo
- Publication number
- CN213707040U CN213707040U CN202022198028.4U CN202022198028U CN213707040U CN 213707040 U CN213707040 U CN 213707040U CN 202022198028 U CN202022198028 U CN 202022198028U CN 213707040 U CN213707040 U CN 213707040U
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- China
- Prior art keywords
- shell
- end cover
- fixedly connected
- seat
- base
- Prior art date
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- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 210000004722 stifle Anatomy 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a special tee bend distribution valve door of coal injection, including support, casing, front end housing and rear end cap, the casing bottom is equipped with feedstock channel and top bilateral symmetry and is provided with discharging channel, casing center department rotary type is equipped with the pivot, lie in the pivot fixedly connected with valve plate in the casing, the valve plate is fan-shaped structure, the front end housing is kept away from bolt fixedly connected with speed reduction frame is passed through to casing one side, install the angle executor on the speed reduction frame. The utility model discloses in, after the buggy got into the casing and when shunting from both sides discharging channel through negative pressure device, drive the pivot through the angle executor and rotate, drive the valve plate and rotate, change the flow and the concentration of fine coal in the discharging channel of both sides, realize the distribution of material, the angle executor can change automatically regulated according to the furnace conditions, and the angle executor is provided with manual mode, and the flashlight integration can realize well remote automatic control.
Description
Technical Field
The utility model relates to a coal injection device technical field specifically is special tee bend distribution valve of coal injection.
Background
The blast furnace coal injection auxiliary fuel is a new technology widely adopted by modern blast furnace ironmaking production, and is one of the indispensable important means for modern blast furnace condition regulation. The injected fuel can be heavy oil, coal dust, granular coal or natural gas, wherein the injected coal dust is increasingly paid high attention by various countries or regions.
The pulverized coal conveying can be selected in two modes, namely, a special truck for filling pulverized coal or pipeline pneumatic conveying is adopted, the pneumatic conveying is good in continuity, large in capacity and good in sealing performance, and is the most commonly adopted pulverized coal conveying mode in blast furnace coal injection, but an existing injection system cannot achieve good shunting of formed air ports, and independent adjustment is implemented according to changes of furnace conditions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special tee bend distribution valve of coal injection to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the three-way distribution valve special for coal injection comprises a support, a shell, a front end cover and a rear end cover, wherein a group of supports are fixedly connected to two sides of the shell, the front end cover and the rear end cover are fixedly connected with two ends of the shell through bolts, a feeding channel is arranged at the bottom end of the shell, discharging channels are symmetrically arranged on two sides of the top end of the shell, a rotating shaft is rotatably assembled at the center of the shell, two ends of the rotating shaft penetrate through the front end cover and the rear end cover and extend out of the shell, a valve plate is fixedly connected in the shell and is of a fan-shaped structure, the valve plate can rotate to open and close the discharging channels, a front supporting assembly and a rear supporting assembly are respectively arranged on the front end cover and the rear end cover, and mechanical sealing assemblies are fixedly connected between the front supporting assembly and the shell and between the rear, one side, far away from the shell, of the front end cover is fixedly connected with a speed reducer base through a bolt, an angle actuator is installed on the speed reducer base, and one end of the rotating shaft extends to be in transmission connection with the angle actuator.
According to the technical scheme, after the pulverized coal enters the shell from the feeding channel through the negative pressure device and is shunted from the discharging channels on the two sides, the rotating shaft is driven to rotate through the angle actuator, the valve plate is driven to rotate, the flow and the concentration of the pulverized coal in the discharging channels on the two sides are changed, the distribution of the materials is achieved, the angle actuator can be automatically adjusted according to the change of the furnace condition, the angle actuator is provided with a manual mode, and the angle actuator is integrated with a flashlight and can achieve medium-distance automatic control.
As a preferred aspect of the present invention, the front support assembly includes: the front bearing seat base is fixedly connected with the front end cover through a bolt, the front bearing seat base is far away from one side of the shell through a bolt and is fixedly connected with the front bearing seat base, the front bearing seat base is far away from one side of the front bearing seat base through a bolt and is covered, and one end of the rotating shaft penetrates through the front bearing seat and is covered.
As a preferred aspect of the present invention, the rear support assembly includes: the rear bearing block base is fixedly connected with the rear end cover through a bolt, the rear bearing block base is far away from one side of the shell through a bolt, the rear bearing block is far away from one side of the rear bearing block base through a bolt, and the rear bearing block cover is fixedly connected with the rear bearing block base through a bolt, and one end of the rotating shaft is in abutting contact with the rear bearing block cover.
As an optimized scheme of the utility model, the front bearing seat with deep groove ball bearing has been cup jointed on the rear bearing seat.
According to the technical scheme, the rotating shaft can be ensured to stably operate when rotating through the fixed supports on the front side and the rear side.
As a preferred aspect of the present invention, the mechanical seal assembly includes: the fixed ring is in abutting-pressing contact with the fixed seat and the adjusting seat, and O-shaped rings are assembled on the fixed seat, the shaft sleeve and the adjusting seat.
As a preferred aspect of the present invention, the moving coil assembly includes: cup joint in the moving coil end cover of the opposite one side of fixed coil, fixed cover connect in spring holder shell between the moving coil end cover and cup joint in spring assembly in the spring holder shell, spring assembly comprises spring holder, spring and spring seat lid, spring holder, spring and spring seat lid are followed the fixing base extremely adjust the seat direction and establish in proper order, the spring seat lid with through set screw fixed connection between the pivot.
Realize above-mentioned technical scheme, guarantee the leakproofness at casing both ends through mechanical seal, prevent that the buggy from leaking out in the casing, cause the pollution and the potential safety hazard of environment, O type circle can improve frictional force between fixing base, axle sleeve, the regulation seat, improves the firm of connecting between the improvement.
As an optimized scheme of the utility model, the mounting hole has been seted up on the axle sleeve lateral wall, install the grease nipple in the mounting hole, the mechanical seal subassembly both ends and preceding supporting component both ends are equipped with the skeleton oil blanket.
By the technical scheme, lubricating oil is conveniently injected into the mechanical seal assembly, and maintenance efficiency is improved.
To sum up, the utility model discloses following beneficial effect has: after pulverized coal enters the shell from the feeding channel through the negative pressure device and is shunted from the discharging channels on the two sides, the rotating shaft is driven to rotate through the angle actuator, the valve plate is driven to rotate, the flow and the concentration of the pulverized coal in the discharging channels on the two sides are changed, the distribution of materials is realized, the angle actuator can be automatically adjusted according to the change of furnace conditions, the angle actuator is provided with a manual mode, and the angle actuator is integrated with a torch, so that the medium-distance automatic control can be realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of the whole body of the present invention;
fig. 2 is a side view of the utility model in its entirety;
FIG. 3 is a side sectional view of the cartridge of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
in the figure: 1, a bracket; 2, a shell; 3, a front end cover; 4, a rear end cover; 5 a feed channel; 6 a discharge channel; 7, a rotating shaft; 8 a valve plate; 9 a speed reducer base; a 10-degree actuator; 11 a front bearing block base; 12 a front bearing seat; 13, covering the front bearing seat; 14 a rear bearing block base; 15 rear bearing seats; 16, covering a rear bearing seat; 17, deep groove ball bearings; 18 a fixed seat; 19 shaft sleeves; 20, fixing a circle; 21 an adjusting seat; 22 moving coil end cap; 23 a spring seat housing; 24 spring seats; 25 springs; 26 a spring seat cover; 27 a set screw; 28 grease nipple; 29 framework oil seal; 30O-ring.
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.
Example one
Referring to fig. 1-4, the present invention provides a technical solution: the three-way distribution valve special for coal injection comprises a bracket 1, a shell 2, a front end cover 3 and a rear end cover 4, wherein a group of brackets 1 is fixedly connected to two sides of the shell 2, the front end cover 3 and the rear end cover 4 are fixedly connected with two ends of the shell 2 through bolts, and is characterized in that a feeding channel 5 is arranged at the bottom end of the shell 2, discharge channels 6 are symmetrically arranged at two sides of the top end of the shell 2, a rotating shaft 7 is rotatably assembled at the center of the shell 2, two ends of the rotating shaft 7 penetrate through the front end cover 3 and the rear end cover 4 and extend out of the shell 2, a valve plate 8 is fixedly connected in the shell 2 on the rotating shaft 7, the valve plate 8 is of a fan-shaped structure, the discharge channels 6 can be opened and closed by rotating the valve plate 8, a front supporting component and a rear supporting component are respectively arranged on the front end cover, one side of the front end cover 3, which is far away from the shell 2, is fixedly connected with a speed reducer base 9 through bolts, an angle actuator 10 is installed on the speed reducer base 9, and one end of the rotating shaft 7 extends to be in transmission connection with the angle actuator 10.
The front support assembly includes: preceding bearing frame base 11, front axle bearing 12 and the transparent lid of front axle bearing 13, front axle bearing base 11 passes through bolt fixed connection with front end housing 3, and 2 one sides of casing are kept away from with front axle bearing base 11 to front axle bearing 12 through bolt fixed connection, and the transparent lid of front axle bearing 13 is kept away from 11 one sides of front axle bearing base with front axle bearing 12 and is passed through bolt fixed connection, and the transparent lid of front axle bearing 13 is run through to 7 one end of pivot, and back supporting component includes: rear bearing seat base 14, rear bearing seat 15, and rear bearing seat stifle 16, rear bearing seat base 14 passes through bolt fixed connection with rear end cover 4, rear bearing seat 15 and rear bearing seat base 14 keep away from casing 2 one side and pass through bolt fixed connection, rear bearing seat stifle 16 and rear bearing seat 15 keep away from rear bearing seat base 14 one side and pass through bolt fixed connection, 7 one end of pivot and rear bearing seat stifle 16 support the pressure contact, preceding bearing seat 12 has cup jointed deep groove ball bearing 16 with rear bearing seat 15, fixed stay through both sides around, make pivot 7 guarantee when rotating and stabilize the operation.
The mechanical seal assembly includes: the fixing base, axle sleeve 19, the moving coil subassembly, fixed ring 20, and adjust seat 21, the fixing base passes through bolt and 2 fixed connection of casing, axle sleeve 19 keeps away from 2 one sides of casing with fixing base 18 and passes through bolt fixed connection, the moving coil subassembly cup joints in axle sleeve 19, fixed ring 20 assembles at moving coil subassembly both ends, adjust seat 21 and keep away from fixing base one side fixed connection through bolt and axle sleeve 19, fixed ring 20 supports the pressure contact with fixing base 18 and regulation seat 21, fixing base 18, axle sleeve 19, and adjust and be equipped with O type circle 30 on the seat 21.
The moving coil assembly includes: moving coil end cover 22, spring holder shell 23, and spring assembly, moving coil end cover 22 cup joints in the opposite side of fixed coil 20, spring holder shell 23 is fixed to be cup jointed between moving coil end cover 22, spring assembly cup joints in spring holder shell 23, spring 25 subassembly is by spring holder 24, spring 25, and spring holder lid 26 are constituteed, spring holder 24, spring 25, and spring holder lid 26 establish in proper order along fixing base 18 to the orientation of adjusting seat 21, pass through set screw 27 fixed connection between spring holder shell 23 and the pivot 7, guarantee the leakproofness at casing 2 both ends through mechanical seal, prevent that the buggy from leaking out in casing 2, cause the pollution and the potential safety hazard of environment, O type circle 30 can improve fixing base 18, axle sleeve 19, adjust frictional force between the seat 21, improve the firm of connecting between the improvement.
The side wall of the shaft sleeve 19 is provided with a mounting hole, a grease nozzle 28 is mounted in the mounting hole, and framework oil seals 29 are assembled at two ends of the mechanical sealing assembly and two ends of the front support assembly, so that lubricating oil can be conveniently injected into the mechanical sealing assembly, and the maintenance efficiency is improved.
In the embodiment of the utility model, after the pulverized coal enters the shell 2 from the feeding channel 5 through the negative pressure device and is shunted from the discharging channels 6 at the two sides, the rotating shaft 7 is driven to rotate through the angle actuator 10, the valve plate 8 is driven to rotate, the flow and the concentration of the pulverized coal in the discharging channels 6 at the two sides are changed, the distribution of the material is realized, the angle actuator 10 can be automatically adjusted according to the change of the furnace condition, and the angle actuator 10 is provided with a manual mode, and is integrated with a torch, so that the medium-long distance automatic control can be realized; in the embodiment, each part is made of wear-resistant and pressure-resistant materials, so that the wear-resistant and pressure-resistant performance of the valve is improved.
Example two
The utility model provides a technical scheme is the same with embodiment one's structure, with angle executor 10 replacement hand structure of turbine, after the buggy gets into casing 2 from feedstock channel 5 through negative pressure device and when shunting from both sides discharging channel 6, drive pivot 7 through angle executor 10 and rotate, drive valve plate 8 and rotate, change the flow and the concentration of buggy in the both sides discharging channel 6, realize the distribution of material, can change automatically regulated according to the stove condition, manual control through the hand structure of turbine, moreover, the steam generator is simple in operation, and is easy to maintain.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The three-way distribution valve special for coal injection comprises a support, a shell, a front end cover and a rear end cover, wherein a group of supports are fixedly connected to two sides of the shell, the front end cover and the rear end cover are fixedly connected with two ends of the shell through bolts, and the three-way distribution valve is characterized in that a feeding channel is arranged at the bottom end of the shell, a discharging channel is symmetrically arranged at the two sides of the top end of the shell, a rotating shaft is assembled at the center of the shell, two ends of the rotating shaft penetrate through the front end cover and the rear end cover and extend out of the shell, a valve plate is fixedly connected in the shell and is of a fan-shaped structure, the discharging channel can be opened and closed by rotating the valve plate, a front supporting component and a rear supporting component are respectively arranged on the front end cover and the rear end cover, and a mechanical sealing component is fixedly connected between the, one side, far away from the shell, of the front end cover is fixedly connected with a speed reducer base through a bolt, an angle actuator is installed on the speed reducer base, and one end of the rotating shaft extends to be in transmission connection with the angle actuator.
2. The three-way distribution valve special for coal injection according to claim 1, characterized in that: the front support assembly includes: the front bearing seat base is fixedly connected with the front end cover through a bolt, the front bearing seat base is far away from one side of the shell through a bolt and is fixedly connected with the front bearing seat base, the front bearing seat base is far away from one side of the front bearing seat base through a bolt and is covered, and one end of the rotating shaft penetrates through the front bearing seat and is covered.
3. The three-way distribution valve special for coal injection according to claim 2, characterized in that: the rear support assembly includes: the rear bearing block base is fixedly connected with the rear end cover through a bolt, the rear bearing block base is far away from one side of the shell through a bolt, the rear bearing block is far away from one side of the rear bearing block base through a bolt, and the rear bearing block cover is fixedly connected with the rear bearing block base through a bolt, and one end of the rotating shaft is in abutting contact with the rear bearing block cover.
4. The three-way distribution valve special for coal injection according to claim 3, characterized in that: and the front bearing seat and the rear bearing seat are sleeved with deep groove ball bearings.
5. The three-way distribution valve special for coal injection according to claim 4, wherein: the mechanical seal assembly includes: the fixed ring is in abutting-pressing contact with the fixed seat and the adjusting seat, and O-shaped rings are assembled on the fixed seat, the shaft sleeve and the adjusting seat.
6. The three-way distribution valve special for coal injection according to claim 5, wherein: the moving coil assembly includes: cup joint in the moving coil end cover of the opposite one side of fixed coil, fixed cover connect in spring holder shell between the moving coil end cover and cup joint in spring assembly in the spring holder shell, spring assembly comprises spring holder, spring and spring seat lid, spring holder, spring and spring seat lid are followed the fixing base extremely adjust the seat direction and establish in proper order, the spring seat lid with through set screw fixed connection between the pivot.
7. The three-way distribution valve special for coal injection according to claim 6, wherein: the oil seal structure is characterized in that a mounting hole is formed in the side wall of the shaft sleeve, a grease nipple is mounted in the mounting hole, and framework oil seals are assembled at the two ends of the mechanical seal assembly and at the two ends of the front support assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198028.4U CN213707040U (en) | 2020-09-29 | 2020-09-29 | Three-way distributing valve special for coal injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022198028.4U CN213707040U (en) | 2020-09-29 | 2020-09-29 | Three-way distributing valve special for coal injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213707040U true CN213707040U (en) | 2021-07-16 |
Family
ID=76796612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022198028.4U Expired - Fee Related CN213707040U (en) | 2020-09-29 | 2020-09-29 | Three-way distributing valve special for coal injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213707040U (en) |
-
2020
- 2020-09-29 CN CN202022198028.4U patent/CN213707040U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |