CN201723737U - Mineral powder gate valve - Google Patents
Mineral powder gate valve Download PDFInfo
- Publication number
- CN201723737U CN201723737U CN2010202312344U CN201020231234U CN201723737U CN 201723737 U CN201723737 U CN 201723737U CN 2010202312344 U CN2010202312344 U CN 2010202312344U CN 201020231234 U CN201020231234 U CN 201020231234U CN 201723737 U CN201723737 U CN 201723737U
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- pipeline
- gate valve
- rotating shaft
- valving
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Abstract
A mineral powder gate valve comprises a pipeline, a valve device and a bolt. The valve device comprises a cylinder, a connecting rod, a plurality of rocking handles, louver plates, a rotating shaft, and seal plates sleeved at two ends of the rotating shaft, wherein one end of each rocking handle is movably connected with the connecting rod of the cylinder, and the other end is fixedly connected with the rotating shaft; the middle of the rotating shaft is fixedly connected with the louver plates; two ends of the rotating shaft are pivotally mounted on two pipe walls of the pipeline; and the sum of the width H of all the louver plates is greater than or equal to the width L of the pipeline. The rotation of the rotating shaft in the gate valve can not be blocked, and is sealed and dust-proof, so that water vapor can be isolated; and the powder can be smoothly conveyed, the gate valve can not be blocked by the clotted dust when opened or closed, and a flat plate-type flashboard valve in an upper position is protected form being influenced by the water vapor. The gate valve has simple and novel structure and convenient operation, and is suitable for powder convey control in direct reduction briquetting industry in iron and steel industry.
Description
Technical field
The utility model relates to a kind of vapor-proof powder valve, particularly can be used for Iron And Steel Industry and directly reduces in the compacting operation of briquetting breeze and carry the gate valve of control.
Background technique
Be equipped with powder that coal dust becomes before carrying out briquetting with the v-ti magnetite breeze, need earlier that the input batch mixer mixes, and before powder enters batch mixer, need through the flat push-pull valve control of twice.Open the lower plugboard valve during work earlier, behind standard-sized sheet, open push-pull valve again, allow mixed powder flow into batch mixer and carry out mixture operation.Existing spile type gate valve comprises gate, pipeline and is fixed on slot on the pipe side wall, and gate is inserted in the slot, and gate can move as straight line along slot under the driving of cylinder, thereby realizes the conversion of " unlatchings " state and " closing " state of gate valve.Gate valve has the slit between gate and the pipe side wall under " unlatching " state, powder can be by entering batch mixer from the slit; Gate valve under " closing " state, the gate complete closed pipeline, make the powder can be through gate valve and advance batch mixer.When Iron Ore Powder and coal dust carry out mixture operation in batch mixer, have water vapour to produce, the powder on water vapour rising and the gate valve meets, and above-mentioned two push-pull valves can be stained with powder, powder can be bonded in gate and the slot, cause twice valve jam not open, can not close after perhaps opening and put in place, cause and have to be forced to the cleaning of stopping work, per tour will take place 3-4 time, have a strong impact on the production of briquetting, and production workshop section stops production comprehensively before and after making this operation, greatly destructive.
The model utility content
The purpose of this utility model is to overcome the defective of above-mentioned prior art spile type gate, and a kind of breeze gate valve of louvered turnover panel is provided, and the rotating shaft rotation is not stuck, and ash is not leaked in sealing, simple and practical, can save flow process from damage and not stop production, significantly improved production operational availability.
To achieve these goals, the utility model has adopted following technological scheme.
A kind of breeze gate valve, it comprises that pipeline up and down 10, valving and the bolt 7 that valving is connected usefulness with pipeline, the described valving of carrying powder comprise a cylinder 1 and 2, at least 3 shutter boards 4 of connecting rod, rocking handle 3, rotating shaft 5 and a plurality of sealing plate 6.The connecting rod (2) of one end of described rocking handle (3) and cylinder (1) flexibly connects, and the other end of rocking handle (3) is fixedlyed connected with rotating shaft 5.Fixedly connected with shutter board 4 in the intermediate portion of described rotating shaft 5, the two ends of rotating shaft 5 are installed on two tube walls of pipeline 10 pivotally.Described sealing plate 6 is sleeved on the two ends of rotating shaft 5; (4 width H sum is more than or equal to the width L of pipeline 10 for all shutter boards.
Described cylinder 1 drive link 2 moves as straight line, the straight line of connecting rod 2 moves and promotes rocking handle 3 swings; the swing of rocking handle 3 drives shutter board 45 fulcrum rotation around the shaft, and the rotation of shutter board 4 makes valving by " unlatching " state exchange is " unlatching " state for " closing " state or by " closing " state exchange.
When described valving is in " unlatching " state, angle between the shutter board 4 when the angle between the bus O of shutter board 4 and pipeline 10 is in " closing " state than valving and the bus O of pipeline 10 is little, makes between adjacent two shutter boards 4 and is separated from each other and forms the slit.When " unlatching " state, the angle between the bus O of shutter board 4 and pipeline 10 is 75 °～90 °.
When described valving is in " cutting out " state, angle between the shutter board 4 when the angle between the bus O of shutter board 4 and pipeline 10 is in " unlatching " state than valving and the bus O of pipeline 10 is big, makes between adjacent two shutter boards 4 mutually overlap joint and seamless.When " closing " state, the angle between the bus O of shutter board 4 and pipeline 10 is 0 °～10 °, and the overlap distance between adjacent two shutter boards 4 is 2mm～5mm.
Matching gap≤1mm between described sealing plate 6 and the rotating shaft 5 blocks the location with cotter pin.
The linkage structure that one end of described rocking handle 3 and connecting rod 2 flexibly connects comprises the through hole that is formed on the connecting rod 2 and the termination of rocking handle 3 one ends, and described through hole is inserted in described termination, cooperating slidably between termination and the through hole.Matching gap between described termination and the through hole is 1mm～5mm.
The stroke of described cylinder 1 is 100mm～500mm.
Breeze gate-valve device of the present utility model, its blinds valve has played the effect of dash steam when cutting out, can leak material when opening, be the rotating shaft rotation during blade open and close of blinds valve, it is stuck can not to glue powder, has prevented the interference of water vapour, its modern design, and can insert automatic control system, the shutter board that plays gate action can not take place can not normally open maybe because of jam can not close the phenomenon that puts in place, has improved the manufacturing efficiency of batch mixing workshop section and front and back workshop section thereof greatly.
Description of drawings
Fig. 1 is the embodiment's of a breeze gate valve of the present utility model overall structure schematic representation.
Fig. 2 is the embodiment's of a breeze gate valve of the present utility model partial structurtes schematic representation, there is shown the mounting structure of shutter board part.
Embodiment
The utility model provides a kind of breeze gate-valve device, as shown in Figure 1, comprise pipeline, valving and bolt, valving, cylinder, connecting rod, 4 rocking handles, shutter board, rotating shafts and be sleeved on a plurality of sealing plates at rotating shaft two ends; an end of rocking handle and the connecting rod of cylinder flexibly connect, and the other end is fixedlyed connected with rotating shaft.Fixedly connected with shutter board in the centre of rotating shaft, the two ends of rotating shaft are installed on two tube walls of pipeline pivotally.The width H sum of a plurality of shutter boards is more than or equal to the width L of pipeline.After transmission cylinder 1 is received instruction, by cylinder axis connecting rod 2 is promoted translation and move as straight line, the straight line of connecting rod 2 moves and promotes rocking handle 3 swings, makes rotating shaft 5 rotations, then drive shutter board 45 fulcrum rotation around the shaft, the rotation of shutter board 4 reaches valving and closes or opening state.This installs described transmission cylinder 1 and is modular, pneumatically powered equipment, the about 200mm of cylinder axis stroke, and working pressure is 0.6MPa.Transmission shaft stroke in the cylinder is adjustable, usually within 100-500mm.If rocking handle 3 in short-term, is little stroke, during as if rocking handle 3 length, be big stroke.Cylinder 1 can link to each other with the operational computations machine by electric elements, the action that it opens or closes after receiving instruction automatically, and keep the programed interlocking relation with relevant device up and down.
This novel valve device comprises valve and following valve, and last valve still adopts flat push-pull valve below weighing tank, must fasten tightly, must not leak powder.And valve adopts the blinds valve down, by a plurality of blade 90 degree rotations of louvre type, realizes the Kai Heguan of powder passage.The task of blinds valve is to block water vapour when closing, make push-pull valve not influenced by water vapour, when described valving is in " unlatching " state, angle between the shutter board 4 when the angle between the bus O of shutter board 4 and pipeline 10 is in " closing " state than valving and the bus O of pipeline 10 is little, make between adjacent two shutter boards 4 and be separated from each other and form the slit, powder can be passed through.Drive blinds valve down earlier when blowing, drive push-pull valve again after unlatching finishes, allow powder flow in the batch mixer, material is put when finishing, and blinds valve under closing is earlier shut push-pull valve again.When described valving is in " cutting out " state, angle between the shutter board 4 when the angle between the bus O of shutter board 4 and pipeline 10 is in " unlatching " state than valving and the bus O of pipeline 10 is big, makes between adjacent two shutter boards 4 mutually overlap joint and seamless.Because the blinds valve has blocked water vapour after cutting out, so just make push-pull valve water contacting steam no longer when batch mixing.And the blinds valve is spinning movement owing to opening and closing, rotating shaft place good seal performance, and breeze advances not go, and can not produce the jam phenomenon of holding and closing.
Described connecting rod 2 usefulness band steels are made, and 3～4 movable spans are arranged above, are used for driving the rotation of whole rocking handles 3.Rocking handle 3 usefulness band steels are made, and its end is flexible connection with connecting rod 2, and the other end and rotating shaft 5 are for fixedlying connected.When connecting rod 2 actions, will drive whole rocking handles 3 and rotating shaft 5 and shutter board 4 and do spinning movement, allow the blinds plate be in unlatching (being parallel to the valve center line) or closed condition (perpendicular to the valve center line).The linkage structure that one end of rocking handle 3 and connecting rod 2 flexibly connects comprises the through hole that is formed on the connecting rod 2 and the termination of rocking handle 3 one ends, described through hole is inserted in this termination, cooperating slidably between termination and the through hole, the matching gap between termination and the through hole is 1mm～5mm.Described shutter board 4 is made for general steel plate, when closing, requires the blinds plate will closely overlap mutually mutually and leans on, must not crack, when closing, overlap 2-5mm mutually between 4 of shutter boards and the sheet, and close proximity does not have the slit.When described valving was in " unlatching " state, the angle between the bus O of shutter board 4 and pipeline 10 was 75 °～90 °.When being in " closing " state at valving, the angle between the bus O of shutter board 4 and pipeline 10 is 0 °～10 °.
The round steel of rotating shaft 5 usefulness Φ 50mm is made, and its axle is gone up and adopted welding manner to fix shutter board 4.Described sealing plate 6 is that steel plate makes, and thick 5mm is to influence freely rotating of rotating shaft 5 and be provided with for preventing that powder and steam from entering from the tapping of rotating shaft 5.The center hole of sealing plate 6 is than rotating shaft 5 big 1mm, and promptly the matching gap between sealing plate 6 and the rotating shaft 5 is 1mm, and external diameter Φ 100mm blocks the location with cotter pin.Bolt 7 is to be used for this breeze gate valve to be connected usefulness with pipe-line equipment up and down, can unload down during maintenance, and is more convenient.
This new device is applicable to that Iron And Steel Industry directly reduces the control of briquetting industry powder in carrying, and also is applicable to the keying control of other powder, in case the steam blinding powder, as the Iron And Steel Plant's industrial dust that reclaims, ilmenite powder, coal dust, coke powder etc. are used for the conveying control of briquetting raw material.
Claims (10)
1. breeze gate valve, it comprises pipeline up and down (10), valving and the bolt (7) that valving is connected usefulness with pipeline of carrying powder, it is characterized in that:
Described valving comprises a cylinder (1) and connecting rod (2), at least 3 shutter boards (4), rocking handle (3), rotating shaft (5) and a plurality of sealing plate (6);
The connecting rod (2) of one end of described rocking handle (3) and cylinder (1) flexibly connects, and the other end of rocking handle (3) is fixedlyed connected with rotating shaft (5);
Fixedly connected with shutter board (4) in the intermediate portion of described rotating shaft (5), the two ends of rotating shaft (5) are installed on two tube walls of pipeline (10) pivotally;
Described sealing plate (6) is sleeved on the two ends of rotating shaft (5);
The width H sum of all shutter boards (4) is more than or equal to the width L of pipeline (10).
2. breeze gate valve according to claim 1 is characterized in that:
Described cylinder (1) drive link (2) moves as straight line, the straight line of connecting rod (2) moves and promotes rocking handle (3) swing; the swing of rocking handle (3) drives shutter board (4) the fulcrum rotation of (5) around the shaft, and the rotation of shutter board (4) makes valving by " unlatching " state exchange is " unlatching " state for " closing " state or by " closing " state exchange.
3. breeze gate valve according to claim 1 is characterized in that:
When described valving is in " unlatching " state, angle between the shutter board (4) when the angle between the bus O of shutter board (4) and pipeline (10) is in " closing " state than valving and the bus O of pipeline (10) is little, makes between adjacent two shutter boards (4) and is separated from each other and forms the slit;
When described valving is in " cutting out " state, angle between the shutter board (4) when the angle between the bus O of shutter board (4) and pipeline (10) is in " unlatching " state than valving and the bus O of pipeline (10) is big, makes between adjacent two shutter boards (4) mutually overlap joint and seamless.
4. breeze gate valve according to claim 1 is characterized in that: the matching gap≤1mm between described sealing plate (6) and the rotating shaft (5), block the location with cotter pin.
5. breeze gate valve according to claim 1, it is characterized in that: the linkage structure that an end of described rocking handle (3) and connecting rod (2) flexibly connect comprises the through hole that is formed on the connecting rod (2) and the termination of rocking handle (3) one ends, described through hole is inserted in described termination, cooperating slidably between termination and the through hole.
6. breeze gate valve according to claim 5 is characterized in that: the matching gap between described termination and the through hole is 1mm～5mm.
7. breeze gate valve according to claim 3 is characterized in that: when described valving was in " unlatching " state, the angle between the bus O of shutter board (4) and pipeline (10) was 75 °～90 °.
8. breeze gate valve according to claim 3 is characterized in that: when described valving was in " cutting out " state, the angle between the bus O of shutter board (4) and pipeline (10) was 0 °～10 °.
9. breeze gate valve according to claim 3 is characterized in that: when described valving was in " cutting out " state, the overlap distance between adjacent two shutter boards (4) was 2mm～5mm.
10. breeze gate valve according to claim 1 and 2 is characterized in that: the stroke of described cylinder (1) is 100mm～500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202312344U CN201723737U (en) | 2010-06-22 | 2010-06-22 | Mineral powder gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202312344U CN201723737U (en) | 2010-06-22 | 2010-06-22 | Mineral powder gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723737U true CN201723737U (en) | 2011-01-26 |
Family
ID=43492063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202312344U Expired - Lifetime CN201723737U (en) | 2010-06-22 | 2010-06-22 | Mineral powder gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139478B (en) * | 2014-06-27 | 2017-02-22 | 大连船舶重工集团有限公司 | Technique based on quick pipe fitting inner wall rotational moulding equipment |
| CN107136028A (en) * | 2017-05-10 | 2017-09-08 | 金华市农业机械研究所 | A kind of fly maggot separating mechanism of fly maggot seperator |
-
2010
- 2010-06-22 CN CN2010202312344U patent/CN201723737U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139478B (en) * | 2014-06-27 | 2017-02-22 | 大连船舶重工集团有限公司 | Technique based on quick pipe fitting inner wall rotational moulding equipment |
| CN107136028A (en) * | 2017-05-10 | 2017-09-08 | 金华市农业机械研究所 | A kind of fly maggot separating mechanism of fly maggot seperator |
| CN107136028B (en) * | 2017-05-10 | 2024-04-16 | 金华市农业机械研究所 | Fly maggot separating mechanism of fly maggot separating centrifuge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110126 |