CN215665923U - Bidirectional flap valve device for feeding pipe of cement clinker line preheater - Google Patents
Bidirectional flap valve device for feeding pipe of cement clinker line preheater Download PDFInfo
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- CN215665923U CN215665923U CN202121101220.5U CN202121101220U CN215665923U CN 215665923 U CN215665923 U CN 215665923U CN 202121101220 U CN202121101220 U CN 202121101220U CN 215665923 U CN215665923 U CN 215665923U
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Abstract
The utility model discloses a bidirectional flap valve device for a feeding pipe of a cement clinker line preheater, which comprises a valve body and flap valve structures, wherein the valve body is provided with an inlet and an outlet, a cavity is arranged between the inlet and the outlet, the lower part of the inlet and the cavity are of V-shaped structures, and the two sides of the V-shaped structures are provided with the flap valve structures. The flap valve structure is including valve plate, pivot and the weight that is used for shutoff import below V type structure, and the one end fixed connection of valve plate is in the pivot, and the weight is connected at the both ends of pivot. The valve plate is arranged in the valve body, the valve plate is attached to the V-shaped structure below the inlet, and the heavy hammer is arranged outside the valve body. The valve plate is opened automatically under the action of material gravity, and after the material fell, the counter weight lever system makes the valve plate automatic re-setting, prevents hot-blast refluence to accomplish the transport of material, the switch of two valves in the different times makes the equipment in the middle of have the one deck valve plate to be in closing off the state all the time simultaneously, prevents the air cross flow.
Description
Technical Field
The utility model belongs to the technical field of novel dry-method cement clinker production equipment, and particularly relates to a bidirectional flap valve device for a feeding pipe of a cement clinker line preheater.
Background
The cement clinker line clinker suspension preheater system mainly plays roles of decomposition, heat exchange and the like of raw materials. The preheater is one of the important main machine devices in the whole clinker production line, the performance of the preheater is directly related to the production capacity of the whole production line, and the economic benefit of an enterprise and the environmental index of the whole factory are determined to a great extent; the material discharging pipe of the preheater is important, whether the material discharging pipe of the preheater is normally used is related to the yield and the environmental index of the whole production line, and the flap valve device on the material discharging pipe of the preheater is related to whether the material discharging pipe can be normally and effectively used.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the bidirectional flap valve device of the feeding pipe of the cement clinker line preheater, which has a simple structure and is convenient to use.
In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a two-way flap valve device that is used for cement clinker line preheater unloading pipe which characterized in that: the valve comprises a valve body and flap valve structures, wherein an inlet and an outlet are arranged on the valve body, a cavity is arranged between the inlet and the outlet, the lower part of the inlet and the cavity are of V-shaped structures, and the flap valve structures are arranged on two sides of the V-shaped structures.
Further, the flap valve structure is including valve plate, pivot and the weight that is used for shutoff import below V type structure, and the one end fixed connection of valve plate is in the pivot, and the weight is connected at the both ends of pivot.
Furthermore, the valve plate is arranged in the valve body, the valve plate is attached to the V-shaped structure below the inlet, and the heavy hammer is arranged outside the valve body.
Further, the two-way flap valve device still includes bearing and bearing frame, and the bearing is installed in the bearing frame, and the valve body rotation connection is worn out at the both ends of pivot in the bearing of bearing frame, and the weight is connected at the outermost of pivot, and bearing frame fixed connection is on the outer wall of valve body.
Furthermore, the weight comprises a weight body and a weight arm, one end of the weight arm is fixedly connected to the rotating shaft, the weight body is connected to the other end of the weight arm, and the valve plate, the rotating shaft and the weight arm synchronously rotate around the bearing seat.
Furthermore, the bottom of valve plate is equipped with the gusset, and the top of valve plate is equipped with sealed the pad, and sealed the pad laminating is on the valve plate, import below V type structure and sealed the pad laminating.
Furthermore, an access door and a rear cover are arranged on the valve body.
The technical scheme adopted by the utility model has the advantages that:
1. the heavy hammer bidirectional flap valve device is simple in structure, convenient to manufacture, install and debug, beneficial to operation in structural design and strong in applicability; the heavy hammer flap valve device has good sealing performance and prevents gas in the preheater from flowing backwards; the valve plate does not need to be added with a pouring material, so that the construction time is greatly reduced, and the cost is saved; in addition, the material can raise dust in the blanking process to ensure the balance of wind, temperature and material of the whole system, reduce the material consumption of the system and reduce the discharge, thereby improving the yield, the efficiency and the environmental index.
2. The valve plate of the heavy hammer type air-locking flap valve is automatically opened under the action of the gravity of materials, after the materials fall down, the valve plate is automatically reset by the counterweight lever system to prevent hot air from flowing backwards, so that the materials are conveyed, and meanwhile, the valve plates are always in a closed and separated state by opening and closing the two valves at different times to prevent air from flowing. The structure prevents the raw material from raising dust, can ensure the balance of wind, temperature and material of the whole system, and can reduce the material consumption of the system and reduce the discharge to ensure the yield, the efficiency and the environmental index.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural view of a bidirectional flap valve device according to the present invention;
FIG. 2 is a schematic front view of the bi-directional flap valve assembly of the present invention;
fig. 3 is a schematic cross-sectional view of the bi-directional flap valve apparatus of the present invention.
The labels in the above figures are respectively: 1. a valve body; 11. an inlet; 12. an outlet; 13. a cavity; 2. a valve plate; 21. a gasket; 22. a rib plate; 3. a weight; 31. a hammer body; 32. a weight arm; 4. a rotating shaft; 5. a bearing seat; 6. an access door; 7. and (7) a rear cover.
Detailed Description
In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; "circumferential" and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the utility model.
As shown in fig. 1 to 3, the bidirectional flap valve device for the feeding pipe of the cement clinker line preheater comprises a valve body 1 and a flap valve structure, wherein an inlet 11 and an outlet 12 are arranged on the valve body 1, a cavity 13 is arranged between the inlet 11 and the outlet 12, the lower part of the inlet 11 and the cavity 13 are of a V-shaped structure, and the flap valve structure is arranged on two sides of the V-shaped structure. The flap valve structure includes valve plate 2, pivot 4 and weight 3 that are used for shutoff import 11 below V type structure, and the one end fixed connection of valve plate 2 is on pivot 4, and weight 3 connects the both ends at pivot 4. The valve plate 2 is arranged in the valve body 1, the valve plate 2 is attached to the V-shaped structure below the inlet 11, and the heavy hammer 3 is arranged outside the valve body 1.
The bidirectional flap valve device further comprises a bearing and a bearing seat 5, the bearing is installed in the bearing seat 5, two ends of the rotating shaft 4 penetrate out of the valve body 1 and are rotatably connected in the bearing of the bearing seat 5, the heavy hammer 3 is connected to the outermost part of the rotating shaft 4, and the bearing seat 5 is fixedly connected to the outer wall of the valve body 1.
The weight 3 comprises a weight body 31 and a weight arm 32, one end of the weight arm 32 is fixedly connected to the rotating shaft 4, the weight body 31 is connected to the other end of the weight arm 32, and the valve plate 2, the rotating shaft 4 and the weight arm 32 synchronously rotate around the bearing seat 5. The valve plate 2 and the weight arm 32 are arranged at a certain included angle, the valve plate 2 and the weight arm 32 are smaller than 180 degrees, and the specific size can be designed according to actual needs.
The weight 3 has simple structure, longer weight arm 32, flexible response and convenient operation. The hammer block 31 moves backwards and is arranged outside the range of the cylinder of the valve body 1, the valve plate 2 can be fully opened by 100 percent, and the extreme conditions of material blockage, insufficient inner diameter of the valve and the like are effectively avoided.
The bottom of valve plate 2 is equipped with gusset 22, and the top of valve plate 2 is equipped with sealed the pad 21, and sealed pad 21 laminating is on valve plate 2, and import 11 below V type structure is with sealed pad 21 laminating.
The flatness of the contact surface of the sealing gasket 21 and the valve plate 2 is controlled by the process, so that the fitting degree of the sealing gasket 21 and the valve plate 2 is effectively ensured, the sealing performance is enhanced, the upward movement of wind is effectively prevented, and the aim of locking the wind is fulfilled. When the valve plate 2 is closed, the valve plate 2 is in contact with the valve body 1, and the sealing gasket 3 just can plug a gap between the valve body 1 and the valve plate 2, so that the upward backflow of gas at the lower part of a feeding pipe of the preheater can be effectively prevented, the dust raising amount of materials in the feeding process is reduced, the balance of wind, temperature and materials of the whole system is ensured, the material consumption and the discharge amount of the system are effectively reduced, and the yield, the efficiency and the environmental index are improved.
When no material is accumulated on the valve plate 2, the revolving moment on the side of the weight arm 32 is larger than that on the side of the valve plate 2, the weight arm 32 revolves around the axis of the rotating shaft to drive the valve plate 2 to close the V-shaped structure below the inlet 11, and the valve plate 2 is tightly attached to the sealing gasket 21 to realize the air locking function; when the materials on the valve plate 2 are gradually accumulated and increased and the turning moment at the side of the valve plate 2 is larger than that at the side of the weight arm 32, the valve plate 2 turns around the axis of the rotating shaft, and the V-shaped structure below the inlet 11 is opened to enable the materials to fall.
The valve body 1 is provided with the access door 6 for checking the internal condition of the valve body 1 and the rear cover 7 for replacing the valve plate 2, when the material is blocked or the condition in the valve body 1 needs to be checked, the access door 6 is opened for processing, and the disassembly of the whole flap valve or the punching on the valve body is more convenient and quicker; the rear cover 7 is arranged at the position of the rotating shaft 4 and is arranged along the length direction of the rotating shaft 4, the length of the rear cover 7 is larger than the width of the valve plate 1, the valve plate 2 is a part easy to damage and easy to wear, the replacement period needs to be replaced in time, and at the moment, the rear cover 7 can be directly extracted to replace the valve plate 2 through opening.
During the operation of the preheater, raw materials can continuously pass through the upper stage cyclone to be discharged, enter the lower stage air pipe through the heavy hammer flap valve and then enter the lower stage cyclone through the air pipe; the raw meal is subjected to several stages of circulating exchange, and finally enters the smoke chamber to reach the rotary kiln for calcination. Under the no special circumstances, the operation of pre-heater several days even several months in succession, the material through weight flap valve will have several thousand tons many like this every day, and the valve plate of weight formula lock wind flap valve is opened automatically under the action of material gravity, and the material falls behind, and counter weight lever system makes the valve plate automatic re-setting, prevents hot-blast refluence to accomplish the transport of material, the switch of two valves in the different times makes the equipment in the middle of have the one deck valve plate to be in closing off the state simultaneously all the time, prevents the air cross flow. The structure prevents the raw material from raising dust, can ensure the balance of wind, temperature and material of the whole system, and can reduce the material consumption of the system and reduce the discharge to ensure the yield, the efficiency and the environmental index.
The utility model is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the utility model is not limited by the above-mentioned manner, and it is within the scope of the utility model to adopt various insubstantial modifications of the technical solution of the utility model or to apply the concept and technical solution of the utility model directly to other occasions without modification.
Claims (7)
1. The utility model provides a two-way flap valve device that is used for cement clinker line preheater unloading pipe which characterized in that: the valve comprises a valve body (1) and flap valve structures, wherein an inlet (11) and an outlet (12) are arranged on the valve body (1), a cavity (13) is arranged between the inlet (11) and the outlet (12), the lower part of the inlet (11) and the cavity (13) are of V-shaped structures, and the flap valve structures are arranged on two sides of each V-shaped structure.
2. The bi-directional flap valve assembly for a cement clinker line preheater discharge tube of claim 1 wherein: the flap valve structure comprises a valve plate (2) used for blocking a V-shaped structure below an inlet (11), a rotating shaft (4) and a heavy hammer (3), wherein one end of the valve plate (2) is fixedly connected to the rotating shaft (4), and the heavy hammer (3) is connected to two end portions of the rotating shaft (4).
3. A bi-directional flap valve assembly for a cement clinker line preheater discharge tube as defined in claim 2 wherein: the valve plate (2) is positioned in the valve body (1), the valve plate (2) is attached to a V-shaped structure below the inlet (11), and the heavy hammer (3) is positioned outside the valve body (1).
4. A bi-directional flap valve assembly for a cement clinker line preheater discharge tube as defined in claim 3 wherein: the bidirectional flap valve device further comprises a bearing and a bearing seat (5), the bearing is installed in the bearing seat (5), two ends of the rotating shaft (4) penetrate out of the valve body (1) to be rotatably connected into the bearing of the bearing seat (5), the heavy hammer (3) is connected to the outermost portion of the rotating shaft (4), and the bearing seat (5) is fixedly connected to the outer wall of the valve body (1).
5. A bi-directional flap valve assembly for a cement clinker line preheater discharge tube as defined in claim 3 or 4 wherein: the heavy hammer (3) comprises a hammer body (31) and a heavy hammer arm (32), one end of the heavy hammer arm (32) is fixedly connected to the rotating shaft (4), the hammer body (31) is connected to the other end of the heavy hammer arm (32), and the valve plate (2), the rotating shaft (4) and the heavy hammer arm (32) synchronously rotate around the bearing seat (5).
6. The bi-directional flap valve assembly for a cement clinker line preheater discharge tube of claim 5 wherein: the bottom of valve plate (2) is equipped with gusset (22), and the top of valve plate (2) is equipped with sealed pad (21), and sealed pad (21) laminating is on valve plate (2), and inlet (11) below V type structure and sealed pad (21) laminating.
7. The bi-directional flap valve assembly for a cement clinker line preheater discharge tube of claim 6 wherein: an access door (6) and a rear cover (7) are arranged on the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101220.5U CN215665923U (en) | 2021-05-21 | 2021-05-21 | Bidirectional flap valve device for feeding pipe of cement clinker line preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121101220.5U CN215665923U (en) | 2021-05-21 | 2021-05-21 | Bidirectional flap valve device for feeding pipe of cement clinker line preheater |
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| Publication Number | Publication Date |
|---|---|
| CN215665923U true CN215665923U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121101220.5U Active CN215665923U (en) | 2021-05-21 | 2021-05-21 | Bidirectional flap valve device for feeding pipe of cement clinker line preheater |
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|---|---|
| CN (1) | CN215665923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382899A (en) * | 2022-02-23 | 2022-04-22 | 中国中材国际工程股份有限公司 | Electric double-valve-plate flap valve for kiln tail preheater |
| CN114985097A (en) * | 2022-06-08 | 2022-09-02 | 包头地平线环保科技有限公司 | Efficient carbide slag waste-free comprehensive utilization process |
-
2021
- 2021-05-21 CN CN202121101220.5U patent/CN215665923U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382899A (en) * | 2022-02-23 | 2022-04-22 | 中国中材国际工程股份有限公司 | Electric double-valve-plate flap valve for kiln tail preheater |
| CN114382899B (en) * | 2022-02-23 | 2024-03-08 | 中国中材国际工程股份有限公司 | Flap valve with double valve plates driven by single motor |
| CN114985097A (en) * | 2022-06-08 | 2022-09-02 | 包头地平线环保科技有限公司 | Efficient carbide slag waste-free comprehensive utilization process |
| CN114985097B (en) * | 2022-06-08 | 2023-10-17 | 包头地平线环保科技有限公司 | Process for comprehensively utilizing high-efficiency carbide slag without waste |
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