Air volume control device for cement clinker cooler

Abstract

The utility model provides an air volume control device for a cement clinker cooler, and relates to the technical field of air volume control of cement clinker coolers, the air volume control device comprises a flow valve body and a valve plug arranged in the flow valve body, the surface of the flow valve body is provided with a plurality of air volume adjusting holes, and the outer wall of the flow valve body is provided with a connecting frame at the position of any air volume adjusting hole; a bottom frame is installed on the side, located at the air outlet of the flow valve body, of the connecting frame, the connecting frame is installed at the air volume adjusting hole, a lifting strip moving along with movement of the valve plug is arranged in the connecting frame, a reel with wind blocking cloth wound on the surface is installed at the bottom of the connecting frame, and the wind blocking cloth makes contact with the lifting strip, so that wind blocking is achieved. The lifting strip moves to pull the wind blocking cloth to seal the air volume adjusting hole in the air outlet end area of the valve plug, negative pressure caused by the original air speed can be prevented, the stability of air flow blown out of the air volume adjusting hole and the valve plug cannot be affected, and the cooling effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement clinker cooler air volume control technical field especially relates to a cement clinker cooler air volume control device. BACKGROUND

[0002] The working principle of cement clinker cooler is that the heat exchange is carried out by using cold air and high temperature clinker contact, and the clinker is cooled, and the air is heated as secondary air and tertiary air and is sent into the kiln and the decomposing furnace for fuel combustion, when actually using, the air volume of the cooler needs to be controlled.

[0003] Therefore a cement clinker cooler air volume control device, the disclosure number for CN218992393U, when using, the connecting flange is connected with the outside air supply equipment, the flow valve body is connected and fixed between the outside cement clinker cooling fan through the mounting flange, when using, the outside cooling cold air enters the flow valve body inside through the air inlet pipe, and moves downward from the top, a part of cold air is discharged through the air vent on the valve plug and cools the outside material conveying cement, when the wind force is blocked, the wind pressure is big, the valve plug is extruded and moves in the flow valve body, when the valve plug moves to the air volume adjusting hole below, along with the descent of the valve plug, the air volume adjusting hole ventilation area is bigger, makes the ventilation volume increase, and the cooling effect improves, in this process, the spring is stretched, when the wind pressure decreases, under the action of spring elasticity, the valve plug moves up in the flow valve body, thereby the ventilation area of air volume adjusting hole gradually reduces, thereby the ventilation volume reduces, realizes the automatic regulation of air volume,

[0004] But the airflow through the air vent on the valve plug when blowing out, the negative pressure is formed at the air volume adjusting hole below the valve plug, and the negative pressure formed can extract the airflow blown out from the air volume adjusting hole above the valve plug, or the airflow blown out from the air volume adjusting hole above the valve plug can form negative pressure around the valve plug, and the negative pressure formed can extract a part of the airflow of air vent, no matter which one of the above cases, can influence the cooling effect. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of air volume control devices for cement clinker cooler to solve the problems in prior art.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a cement clinker cooler is with air volume control device, including flow valve body and the valve plug of inside setting, the flow valve body surface is equipped with a plurality of air volume adjusting holes and the flow valve body outer wall is located in any air volume adjusting hole's position all installs the connecting frame, the connecting frame is located in the bottom frame of flow valve body air outlet side and is installed, the bottom frame is rotated and is installed with the spool of vortex spring in, the spool is wound with windproof cloth, the windproof cloth one side is located in the connecting frame and is installed with the lifting bar, the lifting bar both ends are inserted with the opposite inner wall of connecting frame and slide along the valve plug moving direction, the valve plug upper surface is located in every air volume adjusting hole's position and is installed with the threading pipe, the threading pipe is provided with the hinge rope that is linked with the lifting bar surface in the same position air volume adjusting hole.

[0007] Preferably, the flow valve body is provided with a multi-stage electric telescopic rod for driving the valve plug to move.

[0008] Preferably, the connecting frame and the lifting bar insertion part are T-shaped, and a pneumatic telescopic rod is fixedly installed through the end of the connecting frame close to the air inlet of the flow valve body, and the telescopic end of the pneumatic telescopic rod is located in the connecting frame and is used for penetrating the lifting bar.

[0009] Preferably, the bottom frame is also provided with a pneumatic telescopic rod penetrating the bottom surface, and the telescopic end of the pneumatic telescopic rod in the bottom frame is provided with a damping sheet for damping cooperation with one end of the spool.

[0010] Preferably, a plurality of electric push rods are installed at the air outlet end of the flow valve body, and the telescopic end of the electric push rod is provided with a lifting ring connected with the cylinder bottom end of the pneumatic telescopic rod in the bottom frame.

[0011] Preferably, an annular groove is formed in the side edge of the upper surface of the valve plug, an electric winch is installed at the position close to each threading pipe at the groove bottom of the annular groove, and one end of the hinge rope in the threading pipe is wound on the electric winch at the adjacent position.

[0012] Preferably, the windproof cloth is overlapped in the connecting frame and is attached to the inner wall of the side of the connecting frame away from the flow valve body.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. In the utility model, the connecting frame is installed at the air volume adjusting hole, the lifting bar moves with the valve plug, the spool is installed at the bottom of the connecting frame, the surface of the spool is wound with the windproof cloth, the windproof cloth contacts with the lifting bar, the air volume adjusting hole at the air outlet end of the valve plug is closed by pulling the windproof cloth through the lifting bar, the negative pressure caused by the wind speed is prevented, the stability of the air flow blown out of the air volume adjusting hole and the valve plug is not affected, and the cooling effect is ensured.

[0015] 2、 The utility model discloses a top of connecting frame is fixed through the lifting strip, can realize that the connecting frame is completely closed at this place, can realize that corresponding air volume adjusting hole is completely closed, personnel control cold -blast direction is convenient, and after one lifting strip is fixed in the top edge of connecting frame, when the valve plug drops, the length of hinged rope can be adjusted, guarantee that hinged rope does not produce traction to the lifting strip of having fixed position, and then will not influence the valve plug lifting. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of the air volume control device for the cement clinker cooler is provided for the utility model;

[0017] Figure 2 A three-dimensional structure schematic view of the air volume control device for the cement clinker cooler is provided for the utility model Figure 1 A sectional structure schematic view of the air volume control device for the cement clinker cooler is provided for the utility model;

[0018] Figure 3 A sectional structure schematic view of the air volume control device for the cement clinker cooler is provided for the utility model;

[0019] Figure 4 A local structure schematic view of the top of the air volume adjusting hole.

[0020] Legend: 1, flow valve body;2, electric push rod;3, connecting frame;4, lifting strip;5, windproof cloth;6, air volume adjusting hole;7, bottom frame;8, valve plug;9, multistage electric telescopic rod;10, annular groove;11, electric winch;12, threading pipe;13, reel;14, damping sheet;15, pneumatic telescopic rod;16, lifting ring;17, hinged rope. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in combination with the drawings and examples. It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.

[0022] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.

[0023] As Figures 1-4The utility model discloses a cement clinker cooler air volume control device, including flow valve body 1 and the valve plug 8 of inside setting, install the multistage electric telescopic rod 9 for driving the valve plug 8 movement in flow valve body 1, utilize multistage electric telescopic rod 9 telescopic control valve plug 8 moves, facilitate the accurate initiative control of valve plug 8 position, flow valve body 1 surface is set up with several air volume adjusting hole 6 and flow valve body 1 outer wall is located in any air volume adjusting hole 6's position all are installed with connecting frame 3, and connecting frame 3 is located flow valve body 1 air outlet side and installs the bottom frame 7, and the bottom frame 7 is installed with the reel 13 through scroll spring rotation in, and the reel 13 is wound with wind cloth 5, and wind cloth 5 one side is located in connecting frame 3 and is installed with the lifting strip 4, when actually using, utilize lifting strip 4 in connecting frame 3 and rise and realize that wind cloth 5 releases, namely can utilize wind cloth 5 and close the space in air volume adjusting hole 6 and be located under the valve plug 8, when lifting strip 4 drops, utilize the elastic reset of scroll spring and realize that the reel 13 reverse rotation and wind wind cloth 5, and wind cloth 5 both sides lap in connecting frame 3 and with connecting frame 3 far from flow valve body 1's one side inner wall and stick together, can prevent air leakage to a certain extent, and the both ends of lifting strip 4 are inserted with the opposite inner wall of connecting frame 3 and slide along the moving direction of valve plug 8, and the upper surface of valve plug 8 is located in every air volume adjusting hole 6's position and is installed with the threading pipe 12, and the threading pipe 12 is provided with the hinge rope 17 that is connected with the surface of lifting strip 4 in the same position air volume adjusting hole 6, utilize the traction of hinge rope 17 and realize that the valve plug 8 lifting drives threading pipe 12 to lift, and the hinge rope 17 in threading pipe 12 can drive lifting strip 4 synchronous lifting with being connected with it.

[0024] Further: the insertion part of connecting frame 3 and lifting strip 4 is T-shaped and a pneumatic telescopic rod 15 is fixedly installed through the end of the connecting frame 3 close to the air inlet, and the telescopic end of the pneumatic telescopic rod 15 is located in the connecting frame 3 and is used for penetrating the lifting strip 4, in combination Figure 4 After the lifting strip 4 rises to the top edge of the connecting frame 3, the pneumatic telescopic rod 15 is elongated to realize that the telescopic end penetrates the lifting strip 4, so that the connecting frame 3 at this position is completely closed, the corresponding air volume adjusting hole 6 is completely closed, the blowing direction of the cold air can be controlled by the personnel, and after one of the lifting strips 4 is fixed to the top edge of the connecting frame 3, the length of the hinge rope 17 can be adjusted when the valve plug 8 is lowered, so that the hinge rope 17 does not generate traction force on the lifting strip 4 which has been fixed in position.

[0025] Further, the bottom frame 7 is also provided with a pneumatic telescopic rod 15, and the telescopic end of the pneumatic telescopic rod 15 in the bottom frame 7 is provided with a damping sheet 14 for damping cooperation with one end of the reel 13, and the air outlet end of the flow valve body 1 is provided with a plurality of electric push rods 2, and the telescopic end of the electric push rod 2 is provided with a lifting ring 16 which is coaxial with the flow valve body 1 and connected with the cylinder bottom end of the pneumatic telescopic rod 15 in the bottom frame 7, and the lifting ring 16 can be lifted by retracting the electric push rod 2, so that the damping sheet 14 tightly abuts and is attached to one end of the corresponding reel 13, so that the position of the reel 13 is fixed, and the surface of the windproof cloth 5 is prevented from being inflated and released from the connecting frame 3 due to the blowing of the wind, so that the function of closing the air volume adjusting hole 6 is lost, and the pneumatic telescopic rod 15 on the lifting ring 16 can be retracted alone to lift the damping sheet 14 at a specific position, so that the corresponding reel 13 is selected to be contacted or not contacted, and the release or winding of the windproof cloth 5 at other positions is not affected.

[0026] Further, the upper surface side of the valve plug 8 is provided with an annular groove 10, and the annular groove 10 is provided with an electric winch 11 on the groove bottom near each threading pipe 12, and one end of the hinge rope 17 in the threading pipe 12 is wound on the adjacent electric winch 11, so that the hinge rope 17 can be released or wound by rotating the electric winch 11, and the length of the hinge rope 17 can be controlled.

[0027] Working principle, when in use, the multi-stage electric telescopic rod 9 is used to control the movement of the valve plug 8 in the flow valve body 1, so as to control the opening degree of the air volume adjusting hole 6, and the lifting bar 4 is synchronously moved during the movement of the valve plug 8, the windproof cloth 5 connected to the lifting bar 4 is used to close the part of the air volume adjusting hole 6 below the valve plug 8, the lifting ring 16 can be lifted by retracting the electric push rod 2, so that the damping sheet 14 tightly abuts and is attached to one end of the corresponding reel 13, so that the position of the reel 13 is fixed, and the surface of the windproof cloth 5 located below the valve plug 8 is tightly stretched and cannot be easily inflated.

[0028] The wiring diagram of the electric push rod 2, the multi-stage electric telescopic rod 9, the pneumatic telescopic rod 15 and the electric winch 11 in the utility model belongs to the public knowledge in the field, and the working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the electric push rod 2, the multi-stage electric telescopic rod 9, the pneumatic telescopic rod 15 and the electric winch 11 are not explained in detail.

[0029] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An airflow control device for a cement clinker cooler, comprising a flow valve body (1) and an internally disposed valve plug (8), characterized in that: The flow valve body (1) has several air volume adjustment holes (6) on its surface, and a connecting frame (3) is installed on the outer wall of the flow valve body (1) at any position of the air volume adjustment hole (6). A bottom frame (7) is installed on the side of the air outlet of the flow valve body (1) of the connecting frame (3). A roller (13) is installed in the bottom frame (7) through a spiral spring. A windproof cloth (5) is wound on the roller (13). One side of the windproof cloth (5) is located in the connecting frame (3) and a lifting strip (4) is installed. The two ends of the lifting strip (4) are inserted into the inner wall of the connecting frame (3) and slide along the moving direction of the valve plug (8). A conduit (12) is installed on the upper surface of the valve plug (8) at each position of the air volume adjustment hole (6). A hinged rope (17) connected to the surface of the lifting strip (4) in the air volume adjustment hole (6) at the same position is provided in the conduit (12).

2. The air volume control device for a cement clinker cooler according to claim 1, characterized in that: The flow valve body (1) is equipped with a multi-stage electric telescopic rod (9) for driving the valve plug (8) to move.

3. The air volume control device for a cement clinker cooler according to claim 1, characterized in that: The connection between the connecting frame (3) and the lifting bar (4) is T-shaped, and a pneumatic telescopic rod (15) is fixedly installed through the end of the connecting frame (3) near the air inlet of the flow valve body (1). The telescopic end of the pneumatic telescopic rod (15) is located inside the connecting frame (3) and is used to pass through the lifting bar (4).

4. The air volume control device for a cement clinker cooler according to claim 1, characterized in that: The bottom surface of the bottom frame (7) is also provided with a pneumatic telescopic rod (15), and the telescopic end of the pneumatic telescopic rod (15) in the bottom frame (7) is equipped with a damping plate (14) for damping cooperation with one end of the scroll (13).

5. The air volume control device for a cement clinker cooler according to claim 1, characterized in that: The air outlet end of the flow valve body (1) is equipped with several electric push rods (2), and the telescopic ends of the several electric push rods (2) are provided with lifting rings (16) that are coaxial with the flow valve body (1) and connected to the bottom end of the cylinder of the pneumatic telescopic rod (15) in the bottom frame (7).

6. The air volume control device for a cement clinker cooler according to claim 1, characterized in that: The valve plug (8) has an annular groove (10) on its upper surface side. An electric winch (11) is installed at the bottom of the annular groove (10) near each conduit (12). One end of the hinge rope (17) in the conduit (12) is wound around the electric winch (11) at the adjacent position.

7. The air volume control device for a cement clinker cooler according to claim 1, characterized in that: The windproof cloth (5) overlaps on both sides inside the connecting frame (3) and is attached to the inner wall of the connecting frame (3) away from the flow valve body (1).

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