CN219452939U - Pulverized coal regulating valve - Google Patents

Abstract

The utility model provides a pulverized coal regulating valve, which belongs to the field of regulating valves and comprises a pipeline, a pipeline fixing seat and a regulating valve, wherein a gear motor is fixedly arranged on the upper surface of the regulating valve, the pipeline is fixedly arranged on the inner surface of a circular ring of the pipeline fixing seat, through holes penetrating up and down are arranged on the pipeline fixing seat, through holes penetrating up and down are also arranged at corresponding positions on the pipeline, the pipeline fixing seat comprises a pipeline upper fixing seat and a pipeline lower fixing seat, the pipeline upper fixing seat and the pipeline lower fixing seat are fixedly arranged, and a valve plate is designed to be fixedly arranged on a positioning valve plate and a connecting valve plate.

Description

Pulverized coal regulating valve

Technical Field

The utility model relates to the field of regulating valves, in particular to a pulverized coal regulating valve.

Background

The coal powder regulating valve plays a role in coal powder gasification, is arranged between the coal powder feeding tank and the burner of the gasifier, is used for regulating the flow rate of coal powder entering the gasifier, is key equipment for accurately controlling the oxygen-coal ratio of the gasifier, and has the performance advantage and the disadvantage directly related to whether the gasifier can realize long-term safe and stable operation.

The utility model patent with the application number of CN202221553792.1 discloses a double-shaft pulverized coal regulating valve, wherein two gears are arranged on a valve rod at one end of a front connecting block in an overhaul frame, so that the gears are meshed with each other, one valve rod in the valve rod with the gears is fixedly connected with an output shaft of a speed reducer, and the speed reducer drives the gears to rotate so as to regulate the flow of pulverized coal entering a gasification furnace;

however, because the maintenance frame is arranged in an opening, particles such as dust easily enter the maintenance frame and fall at the meshing positions of the two gears, so that the gears are blocked and cannot drive the valve rod to rotate, and therefore, the effect of adjusting the flow of the coal dust entering the gasification furnace cannot be achieved.

Disclosure of Invention

The utility model provides a pulverized coal regulating valve, which aims to solve the technical problems that in the prior art, gears are blocked due to particles such as dust and the like, so that a valve rod cannot be driven to rotate, a supporting frame is connected with a pipeline through welding, and the pipeline deformation pulverized coal regulating valve cannot be installed correctly easily;

the utility model provides a pulverized coal regulating valve which adopts the following technical scheme:

the utility model provides a pulverized coal regulating valve, includes pipeline, pipeline fixing base and governing valve, fixed mounting gear motor on the governing valve upper surface, pipeline fixed mounting is on the internal surface of pipeline fixing base ring, be provided with the through-hole that runs through from top to bottom on the pipeline fixing base, the corresponding position is also provided with the through-hole that runs through from top to bottom on the pipeline, the through-hole is run through each other with the pipeline on the pipeline fixing base on the pipeline, the pipeline fixing base includes pipeline fixing base and pipeline fixing base down, pipeline fixing base and pipeline fixing base fixed mounting down, pipeline fixing base upper portion is provided with the ring flange of taking the screw hole down, be provided with the ring flange of taking the through-hole on the governing valve, run through in the governing valve has the nut, make governing valve fixed mounting on the ring flange of pipeline fixing base through this nut and above-mentioned screw hole cooperation;

furthermore, the inner surfaces of the circular rings of the upper pipeline fixing seat and the lower pipeline fixing seat are tightly matched with the pipeline, the upper pipeline fixing seat is provided with a connecting lug plate, the connecting lug plate is provided with a threaded hole, the position, corresponding to the lower pipeline fixing seat, of the upper pipeline fixing seat is provided with the same connecting lug plate, the connecting lug plate is provided with a through hole, a screw penetrates through the through hole of the lower pipeline fixing seat, and the screw is in threaded fit with the threaded hole on the upper pipeline fixing seat to enable the lower pipeline fixing seat and the upper pipeline fixing seat to be fixedly installed;

further, the regulating valve comprises a positioning valve plate and a connecting valve plate, wherein the positioning valve plate and the connecting valve plate respectively penetrate through the through holes on the upper surface of the pipeline and are fixedly arranged in the pipeline; the method comprises the steps of carrying out a first treatment on the surface of the

Further, the upper end and the lower end of the positioning valve plate and the connecting valve plate are provided with long positioning grooves, the positioning grooves are internally provided with valve plate upper chain blocks, the valve plate upper chain blocks are provided with through holes, threaded holes are arranged in corresponding positions in the positioning grooves, fixing screws are arranged in the through holes, the valve plate upper chain blocks are fixedly arranged on two side end surfaces of the positioning valve plate and the connecting valve plate through threaded fit of the fixing screws and the threaded holes, the valve plate upper chain blocks are fixedly arranged in the long positioning grooves at the upper end and the lower end of the positioning valve plate and the connecting valve plate, the positioning valve plate and the connecting valve plate are fixedly arranged together, the positioning grooves at the upper end of the positioning valve plate and the connecting valve plate are internally clamped into a rotary connecting seat, and a connecting shaft at the upper part of the rotary connecting seat is fixedly connected with an output shaft of a speed reducing motor;

further, the regulating valve further comprises an upper fixed bearing and a supporting seat, the supporting seat is fixedly arranged on a flange plate of the pipeline lower fixing seat through a supporting seat fixing bolt, an upper fixed bearing lower fixing plate is arranged on the inner surfaces of the upper connecting shaft of the positioning valve plate and the connecting valve plate and the pipeline lower fixing seat, an upper fixed plate of the upper fixed bearing is arranged on the inner surface of the supporting seat, the upper connecting shaft of the positioning valve plate and the connecting valve plate penetrates through a central hole of the upper fixed bearing, the upper fixed bearing is fixedly arranged between the upper fixed plate and the lower fixed plate, and rotary fit is formed between the positioning valve plate and the connecting valve plate and the pipeline lower fixing seat and the supporting seat through the upper fixed bearing;

further, the regulating valve further comprises a lower fixed bearing, an upper fixed plate of the lower fixed bearing is arranged on a positioning valve plate and a connecting shaft at the lower end of the connecting valve plate, the lower fixed plate of the lower fixed bearing is arranged at the lower end of the pipeline upper fixed seat, the positioning valve plate and the connecting shaft at the lower end of the connecting valve plate penetrate through a central through hole of the lower fixed bearing, the lower fixed bearing is fixedly arranged between the upper fixed plate and the lower fixed plate, and the positioning valve plate, the connecting valve plate and the pipeline upper fixed seat form rotary fit through the lower fixed bearing;

further, the positioning valve plate and the connecting valve plate are provided with lower fixed bearing fixing plates on the surfaces of the lower connecting shafts and the lower surfaces of the lower fixed bearings, threaded holes are formed in the surfaces of the positioning valve plate and the connecting shafts of the connecting valve plate, through holes are formed in positions corresponding to the lower fixed bearing fixing plates, screws penetrate through the through holes, the screws are in threaded fit with the threaded holes to fixedly mount the lower fixed bearing fixing plates on the lower surfaces of the positioning valve plate, the connecting valve plate and the lower fixed bearings, and annular rubber sealing rings are fixedly arranged at the upper end and the lower end of the pipeline upper fixing seat and the lower end of the pipeline lower fixing seat and at the surface contact positions around the upper through holes and the lower through holes in the pipeline.

In summary, the beneficial effects of the utility model are as follows:

1. according to the utility model, the valve plate is designed to be a positioning valve plate and a connecting valve plate, then the valve plate is fixedly arranged through the connecting block on the valve plate, the rotating connecting seat is clamped at the fixedly arranged position of the two valve plates, the connecting shaft at the upper end of the rotating connecting seat is fixedly connected with the output shaft of the speed reducing motor, the speed reducing motor drives the rotating connecting seat to rotate, and the rotating connecting seat can drive the two valve plates to rotate simultaneously, so that the situation that the two valve plates are mutually clamped is avoided;

2. through designing the valve plates into a positioning valve plate and a connecting valve plate, the two valve plates can be orderly arranged in the pipeline through the upper through holes and the lower through holes of the pipeline, so that the valve plates can be more conveniently arranged and replaced;

3. according to the utility model, the regulating valve is fixedly arranged on the pipeline through the pipeline upper fixing seat and the pipeline lower fixing seat, so that the pipeline cannot be deformed in the installation process, and the regulating valve can be accurately arranged at the position of the upper opening and the lower opening of the pipeline;

4. rubber sealing rings are fixedly arranged at the contact positions of the upper end and the lower end of the upper pipeline fixing seat and the lower pipeline fixing seat and the surfaces around the upper through hole and the lower through hole in the pipeline 1, so that the installation tightness of the pipeline and the pipeline fixing seat is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic front view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the section A-A of FIG. 3 in accordance with the present utility model;

FIG. 5 is an enlarged partial schematic view of the portion B of FIG. 4 in accordance with the present utility model;

fig. 6 is an enlarged view of part of the C portion of fig. 4 according to the present utility model.

The following figures are shown: 1-a pipeline; 2-a pipeline fixing seat; 3-regulating valve; 4-reducing motor; 201-fixing seats on the pipelines; 202-a pipeline lower fixing seat; 203-a rubber seal ring; 301-positioning a valve plate; 302-connecting a valve plate; 303-a linking block on the valve plate; 304-fixing a screw on the valve plate; 305-rotating a connecting seat; 306-upper fixed bearing; 307-a support base; 308-a support seat fixing bolt; 309-lower fixed bearing; 310-lower fixed bearing retainer plate.

Detailed Description

The utility model will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the utility model, but are not to be construed as limiting the utility model.

Examples: a pulverized coal regulating valve as shown in fig. 1, 2, 3, 4, 5 and 6.

The implementation principle of the embodiment of the utility model is as follows:

as shown in fig. 1 and 2, a pulverized coal control valve, including pipeline 1, pipeline fixing base 2 and governing valve 3, fixed mounting gear motor 4 on the governing valve 3 upper surface, pipeline 1 fixed mounting is on the internal surface of pipeline fixing base 2 ring, be provided with the through-hole that runs through from top to bottom on the pipeline fixing base 2, corresponding position also is provided with the through-hole that runs through from top to bottom on the pipeline fixing base 1, the through-hole is run through each other with pipeline 1 on the pipeline fixing base 2, pipeline fixing base 2 includes fixing base 201 and fixing base 202 under pipeline, fixing base 201 and fixing base 202 fixed mounting under pipeline on the pipeline, fixing base 202 upper portion is provided with the ring flange that takes the screw hole, be provided with the ring flange that takes the through-hole on the governing valve 3, it has the nut to run through on the ring flange of governing valve 3, make governing valve 3 fixed mounting on the ring internal surface and pipeline fixing base 202 closely cooperate with pipeline 1 through the screw hole cooperation, be provided with the connecting lug plate on the pipeline fixing base 201, be provided with the screw hole on the connecting lug plate, be provided with the screw hole on the pipeline fixing base 202 corresponding position under pipeline fixing base 201 and pipeline fixing base 202, be provided with the same connecting lug plate under the pipeline fixing base 202 and pipeline fixing base 202 on the position can be provided with the screw hole under the through the screw hole 3 through the screw hole in the setting 3 and the setting 3 in the process.

As shown in fig. 3 and 4, the regulating valve 3 includes a positioning valve plate 301 and a connecting valve plate 302, the positioning valve plate 301 and the connecting valve plate 302 respectively pass through the upper surface through holes of the pipe 1, and are fixedly disposed inside the pipe 1. In use, the positioning valve plate 301 and the connecting valve plate 302 can be respectively installed in the pipeline 1 through the upper and lower through holes of the pipeline 1. The two ends are provided with long locating grooves, a valve plate upper connecting block 303 is arranged in the locating groove, a through hole is formed in the valve plate upper connecting block 303, a threaded hole is formed in the corresponding position in the locating groove, a fixing screw is arranged in the through hole, the valve plate upper connecting block 303 is fixedly installed on two side end faces of the locating valve plate 301 and the connecting valve plate 302 through threaded fit of the fixing screw and the threaded hole, the valve plate upper connecting block 303 is fixedly installed in the long locating grooves at the two ends of the locating valve plate 301 and the connecting valve plate 302, the locating valve plate 301 and the connecting valve plate 302 are fixedly installed together, the rotating connecting seat 305 is clamped in the locating groove at the upper end of the locating valve plate 301 and the connecting valve plate 302, a connecting shaft at the upper part of the rotating connecting seat 305 is fixedly connected with an output shaft of a speed reducing motor 4, during use, the rotating connecting seat 305 is driven by the output shaft of the speed reducing motor 4 to rotate, the locating valve plate 301 and the connecting valve plate 302 to rotate, and the pulverized coal is enabled to enter into a gasification furnace through adjusting the angle of the through holes relative to the through holes at two sides of the pipeline 1, and the pulverized coal can be more accurately gasified when the pulverized coal is enabled to enter the gasification furnace.

As shown in fig. 4 and 5, the regulating valve 3 further includes an upper fixing bearing 306 and a supporting seat 307, the supporting seat 307 is fixedly mounted on the flange plate of the lower pipeline fixing seat 202 through a supporting seat fixing bolt 308, an upper fixing bearing 306 lower fixing plate is arranged on the inner surfaces of the positioning valve plate 301 and the connecting valve plate 302 and the lower pipeline fixing seat 202, an upper fixing plate of the upper fixing bearing 306 is arranged on the inner surface of the supporting seat 307, the upper connecting shaft of the positioning valve plate 301 and the connecting valve plate 302 penetrates through a central hole of the upper fixing bearing 306, the upper fixing bearing 306 is fixedly arranged between the upper fixing plate and the lower fixing plate, and a rotary fit is formed between the positioning valve plate 301 and the connecting valve plate 302 and the lower pipeline fixing seat 202 and the supporting seat 307 through the upper fixing bearing 306. As shown in fig. 4 and 6, the regulating valve 3 further includes a lower fixing bearing 309, an upper fixing plate provided with the lower fixing bearing 309 on the connecting shaft at the lower end of the positioning valve plate 301 and the connecting valve plate 302, a lower fixing plate provided with the lower fixing bearing 309 at the lower end of the pipe upper fixing seat 201, and the positioning valve plate 301 and the connecting shaft at the lower end of the connecting valve plate 302 penetrating through the central through hole of the lower fixing bearing 309, the lower fixing bearing 309 being fixedly installed between the upper fixing plate and the lower fixing plate, so that the positioning valve plate 301 and the connecting valve plate 302 are in rotary fit with the pipe upper fixing seat 201 through the lower fixing bearing 309. In use, the positioning valve plate 301 and the connecting valve plate 302 are rotated relative to the conduit 1 by the upper fixed bearing 306 and the lower fixed bearing 309.

As shown in fig. 2 and 4, a lower fixed bearing fixing plate 310 is provided on the lower connecting shaft surface of the positioning valve plate 301 and the connecting valve plate 302 and on the lower surface of the lower fixed bearing 309, threaded holes are provided on the lower connecting shaft surface of the positioning valve plate 301 and the connecting valve plate 302, through holes are provided at positions corresponding to the lower fixed bearing fixing plate 310, screws are provided in the through holes, the screws are in threaded fit with the threaded holes to fixedly mount the lower fixed bearing fixing plate 310 on the lower surfaces of the positioning valve plate 301, the connecting valve plate 302 and the lower fixed bearing 309, annular rubber sealing rings 203 are fixedly provided at the contact positions of the upper and lower ends of the pipe upper fixing seat 201 and the pipe lower fixing seat 202 with the surfaces around the upper and lower through holes in the pipe 1, and when in use, the pipe upper fixing seat 201 and the pipe lower fixing seat 202 are fixed on the outer surface of the pipe 1 and sealed by the rubber sealing rings 203.

According to the utility model, the valve plates are designed to be positioned and connected with the valve plate 301 and 302, then the valve plates are fixedly installed through the connecting blocks 303 on the valve plates, the rotating connecting seat 305 is clamped at the fixedly installed positions of the two valve plates, the connecting shaft at the upper end of the rotating connecting seat 305 is fixedly connected with the output shaft of the speed reducing motor 4, the speed reducing motor 4 drives the rotating connecting seat 305 to rotate, and the rotating connecting seat 305 can drive the two valve plates to rotate simultaneously, so that the situation that the two valve plates are mutually clamped is avoided.

The adjusting valve 3 is fixedly arranged on the pipeline 1 through the pipeline upper fixing seat 201 and the pipeline lower fixing seat 202, the pipeline 1 cannot be deformed in the installation process, and the adjusting valve 3 can be accurately arranged at the position of the upper opening and the lower opening of the pipeline 1.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a buggy governing valve, includes pipeline (1), pipeline fixing base (2) and governing valve (3), fixed mounting gear motor (4) on governing valve (3) upper surface, pipeline (1) fixed mounting is on the internal surface of pipeline fixing base (2) ring, be provided with the through-hole that runs through from top to bottom on pipeline fixing base (2), corresponding position also is provided with the through-hole that runs through from top to bottom on pipeline (1), the through-hole is run through each other on pipeline fixing base (2) and pipeline (1), a serial communication port, pipeline fixing base (2) include fixing base (201) and pipeline fixing base (202) under pipeline on the pipeline, fixing base (201) and pipeline fixing base (202) fixed mounting under the pipeline, fixing base (202) upper portion is provided with the ring flange of taking the screw hole under the pipeline, be provided with the ring flange of taking the through-hole on governing valve (3), run through in governing valve (3) and above-mentioned screw hole cooperation make governing valve (3) fixed mounting on the ring flange of pipeline fixing base (2) through this nut.

2. The pulverized coal regulating valve according to claim 1, wherein the inner surfaces of the circular rings of the upper pipeline fixing seat (201) and the lower pipeline fixing seat (202) are tightly matched with the pipeline (1), the upper pipeline fixing seat (201) is provided with a connecting lug plate, the connecting lug plate is provided with a threaded hole, the same connecting lug plate is arranged at the position, corresponding to the lower pipeline fixing seat (202), of the upper pipeline fixing seat (201), the connecting lug plate is provided with a penetrating through hole, a screw penetrates through the through hole of the lower pipeline fixing seat (202), and the lower pipeline fixing seat (202) and the upper pipeline fixing seat (201) are fixedly installed through the threaded hole of the screw and the threaded hole of the upper pipeline fixing seat (201).

3. A pulverized coal regulating valve according to claim 1 or 2, characterized in that the regulating valve (3) comprises a positioning valve plate (301) and a connecting valve plate (302), and the positioning valve plate (301) and the connecting valve plate (302) respectively penetrate through upper surface through holes of the pipeline (1) and are fixedly arranged in the pipeline (1).

4. A pulverized coal regulating valve according to claim 3, characterized in that the upper and lower ends of the positioning valve plate (301) and the connecting valve plate (302) are provided with elongated positioning grooves, the positioning grooves are internally provided with upper valve plate link blocks (303), the upper valve plate link blocks (303) are provided with through holes, threaded holes are correspondingly arranged in the positioning grooves, fixing screws are arranged in the through holes, the upper valve plate link blocks (303) are fixedly arranged on the end faces of the two sides of the positioning valve plate (301) and the connecting valve plate (302) through threaded matching of the fixing screws with the threaded holes, the upper valve plate link blocks (303) are fixedly arranged in the elongated positioning grooves at the upper and lower ends of the positioning valve plate (301) and the connecting valve plate (302), the positioning valve plate (301) and the connecting valve plate (302) are fixedly arranged together, the positioning grooves at the upper ends of the positioning valve plate (301) and the connecting valve plate (302) are clamped into the rotating connecting seats (305), and the connecting shafts at the upper parts of the rotating connecting seats (305) are fixedly connected with the output shafts of the speed reducing motor (4).

5. The pulverized coal regulating valve according to claim 4, wherein the regulating valve (3) further comprises an upper fixing bearing (306) and a supporting seat (307), the supporting seat (307) is fixedly arranged on a flange plate of the pipeline lower fixing seat (202) through a supporting seat fixing bolt (308), an upper fixing bearing (306) lower fixing plate is arranged on the inner surfaces of the positioning valve plate (301) and the connecting valve plate (302) and the pipeline lower fixing seat (202), an upper fixing bearing (306) upper fixing plate is arranged on the inner surfaces of the supporting seat (307), the positioning valve plate (301) and the upper connecting shaft of the connecting valve plate (302) penetrate through a central hole of the upper fixing bearing (306), the upper fixing bearing (306) is fixedly arranged between the upper fixing plate and the lower fixing plate, and a rotary fit is formed between the positioning valve plate (301) and the connecting valve plate (302) and the pipeline lower fixing seat (202) and the supporting seat (307) through the upper fixing bearing (306).

6. The pulverized coal regulating valve according to claim 5, wherein the regulating valve (3) further comprises a lower fixed bearing (309), an upper fixed plate of the lower fixed bearing (309) is arranged on a connecting shaft at the lower end of the positioning valve plate (301) and the connecting valve plate (302), a lower fixed plate of the lower fixed bearing (309) is arranged at the lower end of the upper fixed seat (201) of the pipeline, the connecting shaft at the lower end of the positioning valve plate (301) and the connecting valve plate (302) penetrates through a central through hole of the lower fixed bearing (309), the lower fixed bearing (309) is fixedly arranged between the upper fixed plate and the lower fixed plate, and the positioning valve plate (301) and the connecting valve plate (302) and the upper fixed seat (201) of the pipeline form a rotary fit through the lower fixed bearing (309).

7. A pulverized coal regulating valve according to claim 6, characterized in that a lower fixed bearing fixing plate (310) is arranged on the lower connecting shaft surface of the positioning valve plate (301) and the connecting valve plate (302) and on the lower surface of the lower fixed bearing (309), threaded holes are arranged on the lower connecting shaft surface of the positioning valve plate (301) and the connecting valve plate (302), through holes are arranged at positions corresponding to the lower fixed bearing fixing plate (310), screws are arranged in the through holes in a penetrating manner, the screws are fixedly arranged on the lower surfaces of the positioning valve plate (301), the connecting valve plate (302) and the lower fixed bearing (309) in a threaded fit manner, and annular rubber sealing rings (203) are fixedly arranged at surface contact positions between the upper end and the lower end of the pipeline upper fixing seat (201) and the lower end of the pipeline lower fixing seat (202) and the periphery of the upper through hole and the lower through hole in the pipeline (1).