CN215159162U

CN215159162U - Manual plug valve for water ash slag material conveying system

Info

Publication number: CN215159162U
Application number: CN202120689994.8U
Authority: CN
Inventors: 陈忍忍; 曹德飞
Original assignee: Shanghai Longmai Machinery Equipment Engineering Co ltd
Current assignee: Shanghai Longmai Machinery Equipment Engineering Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-12-14
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a manual plug valve for water ash sediment material conveying system belongs to water ash sediment conveying system technical field. It includes the backup pad, fixedly connected with drum on the face of backup pad top, drum bottom opening sets up, screw-nut bottom face passes through flange structure fixed connection with the steel pipe, steel pipe lateral wall cross section is square, the steel pipe top is located the drum, the steel pipe bottom is through backup pad downwardly extending, the below of backup pad is the cement pond, cement pond diapire is the limiting plate, the sealed cone of bottom fixedly connected with of steel pipe, the through-hole has been seted up on the limiting plate, when rotating the hand wheel, the hand wheel drives the lead screw and rotates, screw-nut and steel pipe on the lead screw remove in step, the removal of steel pipe drives sealed cone and keeps away from or be close to the through-hole. The utility model discloses the plug valve mentioned, sealed cone and through-hole match and support the pressure, and the gas tightness of plug valve is good, and the switch is convenient, is convenient for switch.

Description

Manual plug valve for water ash slag material conveying system

Technical Field

The utility model relates to a manual plug valve for water ash sediment material conveying system belongs to water ash sediment conveying system technical field.

Background

The water granulated slag conveying system is widely used at home and abroad, the water granulated slag conveying system widely uses a manual plug valve, and has the characteristics of high reliability, simple overall structure, convenient operation, long service life and the like, wherein the valve of the water granulated slag feed port of the system is required to be capable of adapting to the characteristics of abrasion resistance, blocking resistance and the like; the isolation shutoff valve of the whole water granulated slag conveying system is very important, the working frequency is not high, but the isolation shutoff valve is very critical, the phenomena of blockage and untight closing of other types of isolation valves can be frequently caused, and the environment pollution is seriously caused by ash leakage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the manual plug valve for the water ash material conveying system is provided, and the problem that a conventional isolating valve is blocked or not closed tightly is solved.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a manual plug valve for a water ash material conveying system comprises a supporting plate, wherein a cylinder is fixedly connected to the top end face of the supporting plate, an opening is formed in the bottom end of the cylinder, a lead screw is rotatably embedded in the top of an inner cavity of the cylinder, a hand wheel is fixedly sleeved on a part, extending out of the top end of the cylinder, of the lead screw, a lead screw nut is rotatably sleeved on the lead screw, the lead screw nut rotates on the lead screw through the lead screw to realize reciprocating sliding of the lead screw nut on the lead screw, a steel pipe is fixedly connected to the bottom end face of the lead screw nut, a flange structure is arranged between the bottom end face of the lead screw nut and the top end face of the steel pipe, the bottom end face of the lead screw nut and the steel pipe are fixedly connected through the flange structure, the cross section of the outer side wall of the steel pipe is square, the top of the steel pipe is located in the cylinder, and the bottom of the steel pipe extends downwards through the supporting plate, the below of backup pad is the cement pond, cement pond diapire is the limiting plate, the sealed cone of bottom fixedly connected with of steel pipe, the through-hole has been seted up on the limiting plate, when rotating the hand wheel, the hand wheel drives the lead screw and rotates, and screw-nut and steel pipe on the lead screw move in step, and the removal of steel pipe drives sealed cone and keeps away from or be close the through-hole.

As a preferable example, the part of the top end of the screw rod extending out of the handwheel is sleeved with a sleeve.

As a preferred example, a flange is fixedly sleeved at the bottom end of the outer side wall of the cylinder, a guide flange is fixedly connected to the position, corresponding to the flange, of the top end face of the support plate, the bottom end face of the cylinder is pressed against the guide flange, the steel pipe in the cylinder sequentially passes through the inlet and the outlet in the middle of the guide flange and the support plate, and the end part of the steel pipe points to the through hole.

As a preferable example, the bottom end of the steel pipe extends into the inner cavity of the sealing cone, and the bottom end of the steel pipe is in contact with the bottom wall of the inner cavity of the sealing cone.

As a preferable example, an embedded taper pipe is fixed on the side wall of the through hole in a matching mode.

The utility model has the advantages that: the utility model provides a manual plug valve is used to water ash sediment material conveying system, sealed cone match to press in through-hole department, guarantees the gas tightness of plug valve, when equipment trouble in the ash pond when water ash pond below needs to be overhauld, then the utility model discloses the plug valve that mentions drives the lead screw rotation under the rotation of top hand wheel, and screw-nut and steel pipe on the lead screw carry out synchronous motion, ensure that sealed cone can match to push down the through-hole, and the pressure is supported each other to pre-buried taper pipe and sealed cone for the shutoff that the access & exit on the spacing thin diapire can be accomplished, thereby reduce the circumstances of jam, leakage and take place.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises an embedded taper pipe 1, a sealing taper body 2, angle steel 3, a steel pipe 4, a guide flange 5, a flange 6, a cylinder 7, a screw rod 8, a hand wheel 9, a supporting plate 10, a limiting plate 11, a screw rod nut 12 and a sleeve 13.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in figure 1, the manual plug valve for the water ash material conveying system comprises a supporting plate 10, wherein a cylinder 7 is fixedly connected to the top end face of the supporting plate 10, the bottom end of the cylinder 7 is provided with an opening, a lead screw 8 is rotatably embedded in the top of an inner cavity of the cylinder 7, a hand wheel 9 is fixedly sleeved on a part extending out of the top end of the cylinder 7 at the top end of the lead screw 8, a lead screw nut 12 is rotatably sleeved on the lead screw 8, the lead screw nut 12 rotates on the lead screw 8 by itself to realize the reciprocating sliding of the lead screw nut 12 on the lead screw 8, a steel pipe 4 is fixedly connected to the bottom end face of the lead screw nut 12, a flange structure is arranged between the bottom end face of the lead screw nut 12 and the top end face of the steel pipe 4, the bottom end face of the lead screw nut 12 is fixedly connected with the steel pipe 4 through the flange structure, and the cross section of the outer side wall of the steel pipe 4 is square, 4 tops of steel pipe are located in the

drum

7, 4 bottoms of steel pipe warp backup pad 10 downwardly extending, the below of backup pad 10 is the cement pond, cement pond diapire is limiting plate 11, the sealed cone 2 of bottom fixedly connected with of steel pipe 4, the through-hole has been seted up on the limiting plate 11, and when rotating hand wheel 9, hand wheel 9 drives lead screw 8 and rotates, and lead screw nut 12 and steel pipe 4 on the lead screw 8 remove in step, and the removal of steel pipe 4 drives sealed cone 2 and keeps away from or be close the through-hole.

It should be noted that, the utility model discloses a water ash pond (the pond that water and ash mix and place, pond open-top sets up), water ash pond below is grey pond (the content of water is less relatively), when grey pond need overhaul or grey pond equipment appear when working unusually, need seal the passageway between water ash pond and the grey pond, this moment promptly the utility model discloses manual plug valve mentioned is used for matching the sealed cone 2 of bottom and supports the access & exit (being the through-hole) that the pressure shutoff was stopped up on the limiting plate 11, the utility model discloses in backup pad 10 relatively fixed, backup pad 10 part hangs in water ash pond top, backup pad 10 are used for supporting the plug valve, and drum 7 is fixed on backup pad 10.

The bottom end of the cylinder 7 is provided with an opening, the bottom end of the cylinder 7 is supported by the supporting plate 10 and is sealed to block the opening at the bottom end of the cylinder 7, the cylinder 7 is internally and rotatably embedded with a screw rod 8, namely, the surface of part of the rod body on the screw rod 8 is of a thread-free structure, the part of the thread-free structure is provided with an annular bulge, the side wall of the inner cavity at the top end of the cylinder 7 is provided with an annular groove, the upper part of the screw rod 8 can be matched and rotatably embedded at the top end of the cylinder 7, the bottom end of a screw rod nut 12 rotatably arranged on the screw rod 8 is fixedly connected with a steel pipe 4, the outer side wall of the steel pipe 4 is square, the steel pipe 4 is matched and penetrates through a support plate 10, a perforation is arranged on the steel plate, the cross section of the perforation is matched and arranged with the cross section of the outer side wall of the steel pipe 4, that is, the hand wheel 9 rotates to drive the screw rod 8 to rotate, the screw rod 8 rotates to prevent the steel pipe 4 from rotating in a square shape, and therefore the steel pipe 4 and the screw rod nut 12 only move up and down when the screw rod 8 rotates.

The partial cover that 8 tops of lead screw stretch out to 9 the hand wheel top is equipped with sleeve 13, and sleeve 13 here protects the part that 8 stretches out to hand wheel 9 of lead screw, ensures that people or thing reduce the degree of colliding with or damaging when the top of the lead screw 8 of contact rotation state.

The fixed flange 6 that has cup jointed in lateral wall bottom of drum 7, the backup pad 10 top face corresponds the position department fixedly connected with guide flange 5 of flange 6, drum 7 bottom face supports and presses on guide flange 5, steel pipe 4 in the drum 7 is in proper order through the access & exit and backup pad 10 at guide flange 5 middle part, and steel pipe 4 tip is directional the through-hole.

The bottom of steel pipe 4 stretch into extremely the inner chamber of sealed cone 2, just the bottom of steel pipe 4 with the inner chamber diapire of sealed cone 2 contacts, and sealed cone 2 matches the cover and establishes at 4 tip of steel pipe, and sealed cone 2 is round platform column structure, and the bottom department fixedly connected with angle steel 3 of 4 lateral walls of close steel pipe, angle steel 3 support jointly and the top face of fixed sealed cone 2, and the equal inclined plane of inner chamber lateral wall of pre-buried taper pipe 1 and through-hole makes progress.

The side wall of the through hole is fixedly provided with the embedded taper pipe 1 in a matching mode, when the embedded taper pipe 1 enables the sealing cone 2 to be matched and pressed at the through hole, the sealing cone 2 is pressed on the side wall of the embedded taper pipe 1 in an interference mode, accordingly, the air tightness between the sealing cone and the embedded taper pipe is improved, and the material leakage is prevented.

The working principle is as follows: when the working state of the equipment in the ash pond is abnormal or needs to be overhauled, the water ash pond and the ash pond need to be separated, namely, the hand wheel 9 is used for driving the screw rod 8 to rotate, the screw rod nut 12 which is rotatably arranged on the screw rod 8 can drive the steel pipe 4 to move up and down, when the outer side wall of the square steel pipe 4 passes through the supporting plate 10, the rotation of the square steel tube 4 is limited by the support of the side wall of the inner cavity on the supported plate 10, so that the lead screw nut 12 only drives the square steel tube 4 to move up and down, in the process of moving the steel pipe 4 up and down, the sealing cone 2 fixed at the bottom end of the steel pipe 4 is close to or far away from the through hole, thereby realizing the control of the separation of the ash pond and the water-ash pond, when the sealing cone 2 is pressed against the through hole, the ash pond and the water-ash pond are separated, when the sealing cone 2 is far away from the through hole, the water ash pool can continuously discharge materials into the ash pool.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a manual plug valve for water ash sediment material conveying system, includes backup pad (10), its characterized in that: the cylinder (7) is fixedly connected to the top end face of the supporting plate (10), the bottom end of the cylinder (7) is provided with an opening, a lead screw (8) is rotatably embedded in the top of an inner cavity of the cylinder (7), a hand wheel (9) is fixedly sleeved on a part, extending out of the top end of the cylinder (7), of the top end of the lead screw (8), a lead screw nut (12) is rotatably sleeved on the lead screw (8), the lead screw nut (12) rotates on the lead screw (8) through the lead screw nut, so that the lead screw nut (12) slides on the lead screw (8) in a reciprocating manner, a steel pipe (4) is fixedly connected to the bottom end face of the lead screw nut (12), flange structures are arranged between the bottom end face of the lead screw nut (12) and the top end face of the steel pipe (4), the bottom end face of the lead screw nut (12) is fixedly connected with the steel pipe (4) through the flange structures, and the cross section of the outer side wall of the steel pipe (4) is square, steel pipe (4) top is located in drum (7), steel pipe (4) bottom warp backup pad (10) downwardly extending, the below of backup pad (10) is the water grey pond, water grey pond diapire is limiting plate (11), the sealed cone of bottom fixedly connected with (2) of steel pipe (4), the through-hole has been seted up on limiting plate (11), when rotating hand wheel (9), hand wheel (9) drive lead screw (8) rotate, and screw-nut (12) and steel pipe (4) on lead screw (8) remove in step, and the removal of steel pipe (4) drives sealed cone (2) and keeps away from or is close the through-hole.

2. The manual plug valve for the water ash material conveying system according to claim 1, wherein: the top end of the screw rod (8) extends to the part above the hand wheel (9) and is sleeved with a sleeve (13).

3. The manual plug valve for the water ash material conveying system according to claim 1, wherein: the fixed cover in lateral wall bottom of drum (7) has connect flange (6), backup pad (10) top face corresponds the position department fixedly connected with guide flange (5) of flange (6), drum (7) bottom face supports and presses on guide flange (5), steel pipe (4) in drum (7) are in proper order through the access & exit and backup pad (10) at guide flange (5) middle part, and steel pipe (4) tip is directional the through-hole.

4. The manual plug valve for the water ash material conveying system according to claim 1, wherein: the bottom end of the steel pipe (4) extends into the inner cavity of the sealing cone (2), and the bottom end of the steel pipe (4) is in contact with the bottom wall of the inner cavity of the sealing cone (2).

5. The manual plug valve for the water ash material conveying system according to claim 1, wherein: and the side wall of the through hole is fixedly provided with an embedded taper pipe (1) in a matching way.