CN210034469U

CN210034469U - Flow-limiting orifice plate for coal chemical industry

Info

Publication number: CN210034469U
Application number: CN201821819482.3U
Authority: CN
Inventors: 李毅; 刘峻岩
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-06
Filing date: 2018-11-06
Publication date: 2020-02-07
Anticipated expiration: 2028-11-06

Abstract

The utility model provides a coal is restriction orifice plate for chemical industry, including the restriction orifice plate, one side of restriction orifice plate is equipped with first flange, the restriction orifice plate opposite side is equipped with the second flange, the both sides of restriction orifice plate respectively with the inboard in close contact with cooperation of the first flange that corresponds and second flange, the through-hole is seted up respectively to the front side and the rear side of restriction orifice plate one side, penetrating mounting hole is transversely seted up respectively to the front side and the rear side of first flange and second flange inboard, the center of mounting hole respectively with the central collineation staff who corresponds the through-hole can adjust with the adjustment value according to reading the flow data that the meter flow ware was surveyed, thereby reach the purpose of adjusting fuel flow and changing pipeline internal pressure, consume the demand with the fuel that adapts to different equipment, then in the fuel rethread second round hole in the second flange flows in the second pipeline, can accomplish the current-limiting pressure regulating work, it is.

Description

Flow-limiting orifice plate for coal chemical industry

Technical Field

The utility model belongs to coal chemical industry equipment field, specifically speaking are current-limiting orifice plate for coal chemical industry.

Background

In current coal chemical industry device transportation pipeline, the restriction orifice plate replaces the governing valve commonly used and restricts the flow of fuel in the pipeline or reduce the pipeline internal pressure, however current restriction orifice plate function is comparatively single, the restriction orifice plate internal diameter size of most restriction orifice plate is fixed, only change the internal diameter of restriction orifice plate through changing unidimensional restriction orifice plate, the operation is inconvenient, can't change at the pipeline in-process fuel circulation, so design one kind now can be in the pipeline fuel transportation's in-process flow regulation pipeline, pressure, and convenient operation's a novel restriction orifice plate for coal chemical industry.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coal is current-limiting orifice plate for chemical industry for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a flow-limiting pore plate for coal chemical industry comprises a flow-limiting pore plate, wherein a first flange is arranged on one side of the flow-limiting pore plate, a second flange is arranged on the other side of the flow-limiting pore plate, two sides of the flow-limiting pore plate are respectively in close contact fit with the inner sides of the corresponding first flange and the second flange, through holes are respectively formed in the front side and the rear side of one side of the flow-limiting pore plate, through mounting holes are respectively transversely formed in the front side and the rear side of the inner sides of the first flange and the second flange, the centers of the mounting holes are respectively collinear with the centers of the corresponding through holes, double-headed fastening bolts are respectively arranged in the through holes, two ends of each double-headed fastening bolt respectively penetrate through the corresponding mounting holes, fastening nuts are respectively arranged on the front side and the rear side of the outer sides of the first flange and the second flange, the fastening nuts can be respectively installed on the peripheries of two ends of the corresponding double-headed fastening bolts in a; the outer side of the inner wall of the first flange is provided with a through first round hole, the outer side of the inner wall of the second flange is provided with a through second round hole, the outer side of the first flange is fixedly provided with one end of a first pipeline, the interior of the first pipeline is communicated with the interior of the first flange through the first round hole, the outer side of the second flange is fixedly provided with one end of a second pipeline, the interior of the second pipeline is communicated with the interior of the second flange through the second round hole, and the top surface of the second pipeline is fixedly provided with a flow meter; two regulating blocks which are longitudinally arranged are arranged in the second flange, one side of each regulating block is always in close contact fit with the other side of the flow-limiting orifice plate simultaneously, the inner sides of the regulating blocks are respectively provided with a semicircular regulating groove, the diameter of the inner wall of each regulating groove is smaller than that of the inner wall of the flow-limiting orifice plate, two regulating rods which are longitudinally staggered are arranged in the second flange, the front side of the regulating block positioned at the front side in the second flange is fixedly connected with the rear side of the corresponding regulating rod, the back side of the regulating block positioned at the rear side in the second flange is fixedly connected with the front side of the corresponding regulating rod, the inner sides of the regulating blocks can be in contact fit with each other, the top surfaces of one side and the other side of the inner wall of the second flange are respectively and longitudinally provided with a strip-shaped through groove, the upper ends of the regulating rods are respectively inserted into the corresponding through grooves, movable sealing, a bidirectional synchronous adjusting device is arranged between the adjusting rods.

According to the flow-limiting pore plate for the coal chemical industry, the inner walls of the mounting holes are respectively provided with the internal threads, the peripheries of the double-headed fastening bolts are respectively provided with the external threads, and the peripheries of the double-headed fastening bolts are in threaded fit with the inner walls of the mounting holes.

The utility model provides a current-limiting orifice plate for coal industry, the activity seal include soft strip of paper used for sealing, the jack is seted up respectively to the top surface of strip of paper used for sealing, the strip groove of longitudinal distribution is seted up respectively to the both sides of passing through inslot wall, the strip of paper used for sealing is located the strip inslot that corresponds respectively, the strip of paper used for sealing passes through jack fixed mounting in the periphery of the regulation pole that corresponds, the top surface of strip of paper used for sealing, the front side and the rear side of bottom surface respectively simultaneously all the time with the top surface and the bottom surface in close contact with cooperation of the strip inslot wall that corresponds, the front side and the back of strip of paper used for.

As mentioned above, a restriction orifice plate for coal industry, synchronous adjusting device include vertical regulating spindle, the top surface of bearing fixed connection second flange is passed through to the bottom of regulating spindle, the periphery fixed mounting adjusting gear of regulating spindle, the both sides of adjusting gear are equipped with longitudinal distribution's rack respectively, the insection opposite direction of rack, the inboard of rack respectively simultaneously with the periphery meshing cooperation of adjusting gear, the outside of rack bottom surface respectively fixed connection correspond the top surface of adjusting the pole.

According to the flow-limiting orifice plate for the coal chemical industry, the top surface of the adjusting shaft is fixedly connected with the bottom surface of the cross rod.

According to the flow-limiting pore plate for the coal chemical industry, two sides of the flow-limiting pore plate are respectively and fixedly connected with the inner sides of the sealing gaskets of the rubber, and the outer sides of the sealing gaskets are respectively in close contact fit with the inner sides of the corresponding first flange and the corresponding second flange.

The utility model has the advantages that: the fuel enters the first flange through the first round hole in the first pipeline, the fuel flows into the second flange through the flow limiting hole on one side of the flow limiting hole plate, at the moment, a worker can adjust the synchronous adjusting device according to work requirements, the synchronous adjusting device drives the adjusting rod to move simultaneously, the adjusting rod drives the adjusting block to move, the through groove can set the moving position of the adjusting rod, a movable sealing layer between the through groove and the adjusting rod can ensure the sealing property inside the second flange while ensuring the movement of the adjusting rod, the adjusting block moves to shield the flow limiting hole, meanwhile, the adjusting groove can limit the fuel flowing through the flow limiting hole of the flow limiting hole plate and change the flow in the flow limiting hole, the worker can adjust according to flow data and an adjusting value measured by the flow meter, thereby achieving the purposes of adjusting the fuel flow and changing the pressure in the pipeline and adapting to the fuel consumption requirements of different devices, then the fuel in the second flange rethread second round hole flows in the second pipeline, can accomplish current-limiting pressure regulating work, and it is more convenient to operate, can adjust its flow and pressure when the fuel transportation in the pipeline, guarantees the continuous supply of coal chemical production equipment fuel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a view in the direction A of FIG. 1; fig. 3 is a sectional view taken along line B-B of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A flow-limiting pore plate for coal chemical industry comprises a flow-limiting pore plate 1, wherein one side of the flow-limiting pore plate 1 is provided with a first flange 2, the other side of the flow-limiting pore plate 1 is provided with a second flange 3, two sides of the flow-limiting pore plate 1 are respectively in close contact fit with the inner sides of the corresponding first flange 2 and the second flange 3, the front side and the rear side of one side of the flow-limiting pore plate 1 are respectively provided with a through hole 4, the front side and the rear side of the inner sides of the first flange 2 and the second flange 3 are respectively provided with a through mounting hole 5, the center of the mounting hole 5 is respectively collinear with the center of the corresponding through hole 4, a double-headed fastening bolt 6 is respectively arranged in the through hole 4, two ends of the double-headed fastening bolt 6 respectively penetrate through the corresponding mounting holes 5, the front side and the rear side of the outer sides of the first flange 2 and the second flange 3 are respectively provided with a fastening nut 7, the, the inner sides of the fastening nuts 7 can be respectively in close contact fit with the outer sides of the corresponding first flange 2 and the second flange 3; a through first round hole 8 is formed in the outer side of the inner wall of the first flange 2, a through second round hole 9 is formed in the outer side of the inner wall of the second flange 3, one end of a first pipeline 10 is fixedly mounted on the outer side of the first flange 2, the interior of the first pipeline 10 is communicated with the interior of the first flange 2 through the first round hole 8, one end of a second pipeline 11 is fixedly mounted on the outer side of the second flange 3, the interior of the second pipeline 11 is communicated with the interior of the second flange 3 through the second round hole 9, and a flow meter 24 is fixedly mounted on the top surface of the second pipeline 11; two longitudinally-arranged adjusting blocks 12 are arranged in the second flange 3, one side of each adjusting block 12 is always in close contact fit with the other side of the flow-limiting orifice plate 1, semicircular adjusting grooves 22 are respectively formed in the inner sides of the adjusting blocks 12, the diameter of the inner wall of each adjusting groove 22 is smaller than that of the inner wall of the flow-limiting orifice plate 1, two adjusting rods 13 which are longitudinally staggered are arranged in the second flange 3, the front sides of the adjusting blocks 12 which are positioned on the front side in the second flange 3 are fixedly connected with the rear sides of the corresponding adjusting rods 13, the back sides of the adjusting blocks 12 which are positioned on the rear side in the second flange 3 are fixedly connected with the front sides of the corresponding adjusting rods 13, the inner sides of the adjusting blocks 12 can be in contact fit with each other, strip-shaped through grooves 14 are respectively longitudinally formed in the top surfaces of one side and the other side of the inner wall of the second flange 3, the upper ends of, the horizontal position of the top end of each adjusting rod 13 is higher than that of the top surface of the second flange 3, and a bidirectional synchronous adjusting device is arranged between the adjusting rods 13. The fuel enters the first flange 2 through the first round hole 8 in the first pipeline 10, the fuel flows into the second flange 3 through the restricted flow hole at one side of the restricted flow hole plate 1, at the moment, the worker can adjust the synchronous adjusting device according to the work requirement, the synchronous adjusting device drives the adjusting rod 13 to move simultaneously, the adjusting rod 13 drives the adjusting block 12 to move, the through groove 14 can set the moving position of the adjusting rod 13, the movable sealing layer between the through groove 14 and the adjusting rod 13 can ensure the sealing property inside the second flange 3 while ensuring the movement of the adjusting rod 13, the adjusting block 12 moves to shield the restricted flow hole, the adjusting groove 22 can limit the fuel flowing through the restricted flow hole of the restricted flow hole plate 1 at the same time, the flow in the restricted flow hole is changed, the worker can adjust according to the flow data and the adjusting value measured by the reading flow meter 24, thereby achieving the purposes of adjusting the fuel flow and changing the pressure in the pipeline, the fuel that consumes the demand to the different equipment of adaptation, then in the fuel rethread second round hole 9 in the second flange 3 flowed into second pipeline 11, can accomplish current-limiting pressure regulating work, it is more convenient to operate, can adjust its flow and pressure in the transportation of fuel in the pipeline, guarantees the continuous supply of coal chemical production equipment fuel.

Specifically, in order to increase the stability of installing restriction orifice plate 1, the inner wall of mounting hole 5 described in this embodiment is equipped with the internal thread respectively, and the periphery of stud fastening bolt 6 is equipped with the external screw thread respectively, and screw-thread fit between the periphery of stud fastening bolt 6 and the inner wall of mounting hole 5. Screw-thread fit between 6 peripheries of stud fastening bolt and mounting hole 5 can increase the stability of first flange 2 and the installation of second flange 3, avoids first flange 2 and third flange 3 not hard up to increase the stability of the installation of restriction orifice plate 1.

Specifically, in order to ensure the sealing performance inside the second flange 3, the movable sealing layer described in this embodiment includes a soft sealing strip 15, the top surface of the sealing strip 15 is provided with insertion holes 16, the two sides of the inner wall of the through groove 14 are provided with strip grooves 17 distributed longitudinally, the sealing strip 15 is located in the corresponding strip grooves 17, the sealing strip 15 is fixedly mounted on the periphery of the corresponding adjusting rod 13 through the insertion holes 16, the top surface of the sealing strip 15, the front side and the rear side of the bottom surface are always in close contact with and are matched with the top surface and the bottom surface of the inner wall of the corresponding strip groove 17, and the front surface and the back surface of the sealing strip 15 can be in contact with and are matched with the front side and the rear side of the inner. When the staff adjusts the adjusting rod 13, the adjusting rod 13 moves longitudinally in the through groove 14, the seal 15 moves along the strip groove 17, the front side and the rear side of the bottom surface of the seal 15 are always in close contact fit with the bottom surface of the inner wall of the strip groove 17, the tightness of the through groove 14 can be guaranteed, and therefore the tightness of the inner portion of the second flange 3 is guaranteed.

Further, in order to guarantee the stability of the internal components of the second flange 3, the synchronous adjusting device described in this embodiment includes the vertical adjusting shaft 18, the top surface of the second flange 3 is fixedly connected to the bottom end of the adjusting shaft 18 through a bearing, the adjusting gear 19 is fixedly installed on the periphery of the adjusting shaft 18, the racks 20 longitudinally distributed are respectively arranged on the two sides of the adjusting gear 19, the insection directions of the racks 20 are opposite, the inner sides of the racks 20 are respectively engaged with the periphery of the adjusting gear 19 at the same time, and the outer sides of the bottom surfaces of the racks 20 are respectively fixedly connected with the top surfaces of the corresponding adjusting rods 13. The staff rotates adjusting gear 19, and adjusting gear 19 drives the inside longitudinal movement inwards or outwards simultaneously of rack 20, and rack 20 drives regulating block 12 synchronous motion through adjusting pole 13, can guarantee that the distance that two fritters 12 in the second flange 3 removed communicates with each other, when conveniently adjusting fuel, guarantees the stability of the inside spare part of second flange 3.

Furthermore, in order to facilitate the rotation of the adjusting gear 19 by the worker, the top surface of the adjusting shaft 18 is fixedly connected to the bottom surface of the cross bar 21. The staff can rotate adjusting shaft 18 through rotating horizontal pole 21, and adjusting gear 19 synchronous revolution when adjusting shaft 18 rotates makes things convenient for staff's operation.

Furthermore, in order to further increase the sealing performance of the installation of the restriction orifice plate 1, two sides of the restriction orifice plate 1 described in this embodiment are respectively and fixedly connected with the inner sides of the rubber gaskets 23, and the outer sides of the gaskets 23 are respectively in close contact fit with the inner sides of the corresponding first flange 2 and the second flange 3. The gasket 23 can increase the sealing performance between the restriction orifice plate 1 and the first and second flanges 2 and 3, thereby further improving the sealing performance inside the device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a coal is restriction orifice plate for chemical industry which characterized in that: comprises a flow-limiting pore plate (1), a first flange (2) is arranged on one side of the flow-limiting pore plate (1), a second flange (3) is arranged on the other side of the flow-limiting pore plate (1), the two sides of the flow-limiting pore plate (1) are respectively in close contact fit with the inner sides of the corresponding first flange (2) and the second flange (3), through holes (4) are respectively formed in the front side and the rear side of one side of the flow-limiting pore plate (1), through mounting holes (5) are respectively and transversely formed in the front side and the rear side of the inner sides of the first flange (2) and the second flange (3), the centers of the mounting holes (5) are respectively collinear with the centers of the corresponding through holes (4), stud fastening bolts (6) are respectively arranged in the through holes (4), the two ends of the stud fastening bolts (6) respectively penetrate through the corresponding mounting holes (5), and fastening nuts (7) are respectively arranged on the front side and the rear side of the outer sides of the first flange, the fastening nuts (7) can be respectively installed on the peripheries of two ends of the corresponding double-headed fastening bolts (6) in a threaded manner, and the inner sides of the fastening nuts (7) can be respectively in close contact fit with the outer sides of the corresponding first flange (2) and the second flange (3); a first through round hole (8) is formed in the outer side of the inner wall of the first flange (2), a second through round hole (9) is formed in the outer side of the inner wall of the second flange (3), one end of a first pipeline (10) is fixedly installed on the outer side of the first flange (2), the interior of the first pipeline (10) is communicated with the interior of the first flange (2) through the first round hole (8), one end of a second pipeline (11) is fixedly installed on the outer side of the second flange (3), the interior of the second pipeline (11) is communicated with the interior of the second flange (3) through the second round hole (9), and a flow meter (24) is fixedly installed on the top surface of the second pipeline (11); two adjusting blocks (12) which are longitudinally arranged are arranged in the second flange (3), one side of each adjusting block (12) is always in close contact fit with the other side of the flow-limiting pore plate (1), semicircular adjusting grooves (22) are respectively formed in the inner sides of the adjusting blocks (12), the diameter of the inner wall of each adjusting groove (22) is smaller than that of the inner wall of the flow-limiting pore plate (1), two adjusting rods (13) which are longitudinally staggered are arranged in the second flange (3), the front sides of the adjusting blocks (12) which are positioned on the front side in the second flange (3) are fixedly connected with the rear sides of the corresponding adjusting rods (13), the back sides of the adjusting blocks (12) which are positioned on the rear side in the second flange (3) are fixedly connected with the front sides of the corresponding adjusting rods (13), the inner sides of the adjusting blocks (12) can be in mutual contact fit, strip-shaped through grooves (14) are respectively formed in the top surfaces of one side and the other side, the upper ends of the adjusting rods (13) are respectively inserted into the corresponding through grooves (14), movable sealing layers are arranged between the adjusting rods (13) and the through grooves (14), the horizontal position of the top ends of the adjusting rods (13) is higher than that of the top surface of the second flange (3), and a bidirectional synchronous adjusting device is arranged between the adjusting rods (13).

2. The restriction orifice plate for coal chemical industry according to claim 1, characterized in that: the inner wall of mounting hole (5) be equipped with the internal thread respectively, the periphery of stud fastening bolt (6) is equipped with the external screw thread respectively, screw-thread fit between the periphery of stud fastening bolt (6) and the inner wall of mounting hole (5).

3. The restriction orifice plate for coal chemical industry according to claim 1, characterized in that: the activity seal include soft strip of paper used for sealing (15), jack (16) are seted up respectively to the top surface of strip of paper used for sealing (15), strip groove (17) of longitudinal distribution are seted up respectively to the both sides of penetrating groove (14) inner wall, strip of paper used for sealing (15) are located corresponding strip groove (17) respectively, strip of paper used for sealing (15) pass through jack (16) fixed mounting in the periphery of adjusting pole (13) that corresponds, the top surface of strip of paper used for sealing (15), the front side and the rear side of bottom surface respectively simultaneously all the time with the top surface and the bottom surface in close contact with cooperation of corresponding strip groove (17) inner wall, the preceding and the back of strip of paper used for sealing (15) can respectively with the front side and the rear side contact cooperation of corresponding strip.

4. The restriction orifice plate for coal chemical industry according to claim 1, characterized in that: synchronous adjusting device include vertical regulating spindle (18), the top surface of bearing fixed connection second flange (3) is passed through to the bottom of regulating spindle (18), periphery fixed mounting adjusting gear (19) of regulating spindle (18), the both sides of adjusting gear (19) are equipped with longitudinal distribution's rack (20) respectively, the insection opposite direction of rack (20), the inboard of rack (20) respectively simultaneously with the periphery meshing cooperation of adjusting gear (19), the top surface of adjusting pole (13) that the outside difference fixed connection of rack (20) bottom surface corresponds.

5. The restriction orifice plate for coal chemical industry according to claim 4, characterized in that: the top surface of the adjusting shaft (18) is fixedly connected with the bottom surface of the cross rod (21).

6. The restriction orifice plate for coal chemical industry according to claim 1, characterized in that: the two sides of the flow-limiting pore plate (1) are respectively fixedly connected with the inner sides of rubber sealing gaskets (23), and the outer sides of the sealing gaskets (23) are respectively in close contact fit with the inner sides of the corresponding first flange (2) and the corresponding second flange (3).