CN217401708U

CN217401708U - Tank bottom valve

Info

Publication number: CN217401708U
Application number: CN202221016771.6U
Authority: CN
Inventors: 杨爱
Original assignee: Suzhou Nuochen Fluid Equipment Co ltd
Current assignee: Suzhou Nuochen Fluid Equipment Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-09
Anticipated expiration: 2032-04-28

Abstract

The utility model provides a tank bottoms valve, include: the device comprises a reaction kettle, a valve body arranged at the lower part of the reaction kettle, a discharge joint arranged at the side part of the valve body and communicated with the valve body, a valve seat arranged between the reaction kettle and the valve body and extending into the reaction kettle, a valve clack arranged at the upper end of the valve seat and tightly matched with the valve seat, a valve rod arranged at the lower part of the valve clack and in threaded connection with the valve body, and a driving assembly arranged at the lower part of the valve rod and in driving connection with the valve rod; the shape of the valve seat is matched with the lower end of the reaction kettle, and the valve clack is matched with the valve seat to form an opening and closing structure. In the utility model, the valve seat directly extends into the bottom end of the reaction kettle, so that no clearance space exists, the condition of medium residue is avoided, and the condition that the pipeline is possibly blocked after the medium residue is accumulated is prevented; the valve seat is adjusted according to the size of the fixed joint at the bottom of the actual reaction kettle, so that the reactor can be suitable for more reaction kettles, and the adaptability of the tank bottom valve to different reaction kettles is improved.

Description

Tank bottom valve

Technical Field

The utility model relates to a valve especially relates to a tank bottoms valve.

Background

The existing reaction kettle generally adopts a ball valve as a closing member at the bottom of the reaction kettle to carry out on-off control, and a medium in the reaction kettle can only reach the sealing surface of the ball valve after the reaction kettle is closed. When the ball valve was closed, because there is certain distance between ball valve seat sealing face to the reation kettle bottom, the medium in the reation kettle can remain and pile up here, if during the better liquid of medium mobility, like water etc. then no influence, but if the medium is powder attitude or when easily gluing liquid, the space between ball valve seat sealing face to the reation kettle bottom of the tight bonding of accumulational medium knot, causes the pipeline to block up, and the back medium can not normally flow is opened to the ball valve. Meanwhile, the ball valve is not suitable for the working condition that no medium is left.

Therefore, there is a need for a new valve that does not leave media between the valve and the reactor.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a tank bottom valve for solving the problem of medium residue and possible pipeline blockage in the prior art.

To achieve the above and other related objects, the present invention provides a tank bottom valve, including: the device comprises a reaction kettle, a valve body arranged at the lower part of the reaction kettle, a discharge joint arranged at the side part of the valve body and communicated with the valve body, a valve seat arranged between the reaction kettle and the valve body and extending into the reaction kettle, a valve clack arranged at the upper end of the valve seat and tightly matched with the valve seat, a valve rod arranged at the lower part of the valve clack and in threaded connection with the valve body, and a driving assembly arranged at the lower part of the valve rod and in driving connection with the valve rod; the shape of the valve seat is matched with the lower end of the reaction kettle, and the valve clack is matched with the valve seat to form an opening and closing structure.

Through adopting above-mentioned technical scheme, adopting the structural design of external disk seat, the disk seat can stretch into reation kettle in, directly arranges the sealed face position of valve in reation kettle bottom, does not have the space, and the valve clack pushes up on the disk seat simultaneously, is rotated out by drive assembly drive valve rod screw in, and the control valve clack is opened and close. Because the valve seat directly stretches into the bottom of the reaction kettle, no void space exists, and therefore the medium cannot enter the pipeline below the valve seat, the conditions of medium residue and medium accumulation in the pipeline are avoided, the valve seat is suitable for the working conditions that the medium cannot be remained and the medium is easy to crystallize and easily accumulate, and the failure rate of the use of the tank bottom valve is reduced.

In an embodiment of the present invention, the lower end of the reaction kettle is provided with a fixed joint, the fixed joint is fixedly connected with the upper part of the valve body, and the valve seat is arranged in the fixed joint; the length of the valve seat is matched with that of the fixed joint of the reaction kettle.

Through adopting above-mentioned technical scheme, the fixed joint of disk seat and reation kettle matches, and the disk seat can be customized according to actual reation kettle's fixed joint size, can adapt to not unidimensional reation kettle, has improved tank bottoms valve's adaptability to different reation kettle.

In an embodiment of the present invention, a thread groove is disposed at a middle lower portion of the valve body, and the thread groove is in thread fit with the valve rod; the lowest part of the valve body is provided with a sealing groove, and a gap between the sealing groove and the valve rod is filled with filler; the lower end of the sealing groove is provided with a sealing cover, the upper part of the sealing cover is abutted against the filler, and the middle part of the sealing cover is connected with the lower part of the valve rod in a sliding manner.

Through adopting above-mentioned technical scheme, prevent because tank bottoms valve when opening and close the switching, the valve rod is displacement from top to bottom in the valve body, leads to the condition that the medium in the reation kettle flows from valve rod and valve body cooperation department and reveals, has improved tank bottoms valve's leakproofness.

In an embodiment of the present invention, an auxiliary rotating seat is disposed below the sealing groove, and a guide rod is disposed between the auxiliary rotating seat and the sealing groove; an auxiliary rotating piece is arranged at the lower part of the valve rod, one end of the auxiliary rotating piece is rotatably connected with the valve rod, and the other end of the auxiliary rotating piece is slidably connected with the guide rod; the upper side and the lower side of the auxiliary rotating piece are symmetrically provided with limiting blocks, and the limiting blocks are fixedly connected with the valve rod.

Through adopting above-mentioned technical scheme, provide the direction for the screw in of valve rod is unscrewed, ensure that the valve rod does longitudinal displacement all the time, transversely do not take place the skew, improved the smooth and easy degree that the valve rod removed to the degree of closely cooperating of valve clack and disk seat has been guaranteed.

In an embodiment of the present invention, the driving assembly includes: the driving rod is rotatably arranged in the auxiliary rotating seat; the coupling is arranged between the valve rod and the driving rod and is respectively and fixedly connected with the valve rod and the driving rod; and the hand wheel is arranged at the lower end of the driving rod and is in driving connection with the driving rod.

By adopting the technical scheme, the matching state of the valve clack and the valve seat can be controlled by rotating the hand wheel, so that the opening and closing of the tank bottom valve are controlled.

In an embodiment of the present invention, the lower end of the auxiliary rotating seat is provided with a positioning groove, the side portion of the hand wheel is provided with a positioning pin hole, and a positioning pin member is arranged in the positioning pin hole; the locating pin piece is in threaded connection with the locating pin hole, and the tail end of the locating pin piece is abutted to the locating groove.

By adopting the technical scheme, the longitudinal displacement of the valve clack is limited when the tank bottom valve is in a closed state, the tight matching between the valve clack and the valve seat is ensured to form sealing, and the sealing performance of the tank bottom valve is improved.

As mentioned above, the utility model discloses a tank bottoms valve has following beneficial effect:

1. the valve seat directly extends into the bottom end of the reaction kettle, so that no gap space exists, the condition of medium residue is avoided, the condition that the pipeline is possibly blocked after the medium residue is accumulated is prevented, the valve seat is suitable for the working conditions that the medium residue cannot exist and the medium is easy to crystallize and accumulate, and the failure rate of the use of the tank bottom valve is reduced;

2. the valve seat is adjusted according to the size of the fixed joint at the bottom of the actual reaction kettle, so that the reactor can be suitable for more reaction kettles, and the adaptability of the tank bottom valve to different reaction kettles is improved.

Drawings

Fig. 1 shows an overall schematic view of a tank bottom valve disclosed in an embodiment of the present invention.

Fig. 2 shows a partial enlarged view of a valve seat of a tank bottom valve disclosed in an embodiment of the present invention.

Description of the reference numerals

1-a reaction kettle; 11-fixed joint; 2-a valve body; 21-thread groove; 22-a seal groove; 23-a filler; 24-a sealing cover; 3-a discharge joint; 4-a drive assembly; 41-a drive rod; 42-a coupler; 43-hand wheel; 44-dowel holes; 45-locating pin members; 5-auxiliary rotating seat; 51-a guide bar; 52-an auxiliary rotating member; 53-a stop block; 54-a positioning groove; 6-valve seat; 7-a valve flap; and 8-valve rod.

Detailed Description

The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.

Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1-2, the present invention provides a tank bottom valve, comprising: the device comprises a reaction kettle 1, a valve body 2 arranged at the lower part of the reaction kettle 1, a discharge joint 3 arranged at the side part of the valve body 2 and communicated with the valve body 2, a valve seat 6 arranged between the reaction kettle 1 and the valve body 2 and extending into the reaction kettle 1, a valve clack 7 arranged at the upper end of the valve seat 6 and tightly matched with the valve seat 6, a valve rod 8 arranged at the lower part of the valve clack 7 and in threaded connection with the valve body 2, and a driving assembly 4 arranged at the lower part of the valve rod 8 and in driving connection with the valve rod 8; the shape of the valve seat 6 is matched with the lower end of the reaction kettle 1, and the valve clack 7 is matched with the valve seat 6 to form an opening and closing structure. By adopting the structural design of the external valve seat 6, the valve seat 6 can extend into the reaction kettle 1, the sealing surface position of the valve seat 6 is directly arranged at the bottom of the reaction kettle 1, no void space exists, meanwhile, the valve clack 7 is supported on the valve seat 6, the valve rod 8 is driven by the driving component 4 to be screwed in and screwed out, and the valve clack 7 is controlled to be opened and closed. Because the valve seat 6 directly stretches into the bottom of the reaction kettle 1, no void space exists, and therefore the medium cannot enter the pipeline below the valve seat 6, the conditions of medium residue and medium accumulation in the pipeline are avoided, the valve seat is suitable for the working conditions that the medium cannot be remained and the medium is easy to crystallize and accumulate, and the failure rate of the use of the tank bottom valve is reduced.

The lower end of the reaction kettle 1 is provided with a fixed joint 11, the fixed joint 11 is fixedly connected with the upper part of the valve body 2, and the valve seat 6 is arranged in the fixed joint 11; the length of the valve seat 6 is matched with that of the fixed joint 11 of the reaction kettle 1. During the use, disk seat 6 matches with reation kettle 1's fixed joint 11, and disk seat 6 can be customized according to actual reation kettle 1's fixed joint 11 size, can adapt to not unidimensional reation kettle 1, has improved tank bottoms valve's adaptability to different reation kettle 1.

The middle lower part of the valve body 2 is provided with a thread groove 21, and the thread groove 21 is in thread fit with the valve rod 8; a sealing groove 22 is arranged at the lowest part of the valve body 2, and a filler 23 is arranged in a gap between the sealing groove 22 and the valve rod 8 for filling; the lower end of the sealing groove 22 is provided with a sealing cover 24, the upper part of the sealing cover 24 is abutted against the packing 23, and the middle part is connected with the lower part of the valve rod 8 in a sliding way. Prevent because tank bottoms valve opens and close when switching, valve rod 8 displacement from top to bottom in valve body 2 leads to the condition that the medium in reation kettle 1 flows out from valve rod 8 and the cooperation of valve body 2 and reveals, has improved tank bottoms valve's leakproofness.

An auxiliary rotating seat 5 is arranged below the sealing groove 22, and a guide rod 51 is arranged between the auxiliary rotating seat 5 and the sealing groove 22; an auxiliary rotating piece 52 is arranged at the lower part of the valve rod 8, one end of the auxiliary rotating piece 52 is rotatably connected with the valve rod 8, and the other end is slidably connected with the guide rod 51; the upper side and the lower side of the auxiliary rotating part 52 are symmetrically provided with limit blocks 53, and the limit blocks 53 are fixedly connected with the valve rod 8. The valve rod 8 is screwed in and out to provide guidance, the valve rod 8 is ensured to be longitudinally displaced all the time, and the valve rod is not transversely deviated, so that the moving smoothness of the valve rod 8 is improved, and the close matching degree of the valve clack 7 and the valve seat 6 is ensured.

The drive assembly 4 includes: a driving lever 41 rotatably provided in the auxiliary rotating base 5; the coupling 42 is arranged between the valve rod 8 and the driving rod 41 and is fixedly connected with the valve rod 8 and the driving rod 41 respectively; and the hand wheel 43 is arranged at the lower end of the driving rod 41 and is in driving connection with the driving rod 41. The matching state of the valve clack 7 and the valve seat 6 can be controlled by rotating the hand wheel 43, so that the opening and closing of the tank bottom valve are controlled.

The lower end of the auxiliary rotating seat 5 is provided with a positioning groove 54, the side part of the hand wheel 43 is provided with a positioning pin hole 44, and a positioning pin piece 45 is arranged in the positioning pin hole 44; the positioning pin member 45 is screwed to the positioning pin hole 44, and the end thereof abuts against the positioning groove 54. The longitudinal displacement of the valve clack 7 is limited when the tank bottom valve is in a closed state, the valve clack 7 is tightly matched with the valve seat 6 to form sealing, and the sealing performance of the tank bottom valve is improved.

The utility model discloses a tank bottoms valve's theory of operation does: the structural design of an external valve seat 6 is adopted, the size of the valve seat 6 can be customized according to the size of a fixed joint 11 of an actual reaction kettle 1, the valve seat 6 extends into the reaction kettle 1, the position of a sealing surface of the valve seat 6 is directly arranged at the bottom of the reaction kettle 1, no void space exists, meanwhile, a valve clack 7 is propped against the valve seat 6, a valve rod 8 is driven by a driving assembly 4 to rotate in and out, and the opening and closing of the valve clack 7 are controlled; the valve seat 6 directly extends into the bottom of the reaction kettle 1, and no void space exists, so that a medium cannot enter a pipeline below the valve seat 6, the conditions of medium residue and medium accumulation in the pipeline are avoided, the valve seat is suitable for the working conditions that the medium cannot be remained and the medium is easy to crystallize and accumulate, and the failure rate of the use of a tank bottom valve is reduced.

To sum up, compared with the structure that the traditional ball valve is easy to retain media, the utility model adopts the novel structural design of externally arranging the valve seat 6, the valve seat 6 directly extends into the bottom end of the reaction kettle 1, no clearance space exists, the condition of residual media is avoided, the condition that the pipeline is possibly blocked after the residual media are accumulated is prevented, the utility model is suitable for the working condition that the residual media cannot exist and the media are easy to crystallize and accumulate, and the failure rate of the use of the tank bottom valve is reduced; meanwhile, the valve seat 6 is adjusted according to the size of the fixed joint at the bottom of the actual reaction kettle, so that the reactor can be suitable for more reaction kettles 1, and the adaptability of the tank bottom valve to different reaction kettles 1 is improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. A tank bottom valve, characterized in that it comprises: the device comprises a reaction kettle (1), a valve body (2) arranged at the lower part of the reaction kettle (1), a discharge joint (3) arranged at the side part of the valve body (2) and communicated with the valve body (2), a valve seat (6) arranged between the reaction kettle (1) and the valve body (2) and extending into the reaction kettle (1), a valve clack (7) arranged at the upper end of the valve seat (6) and tightly matched with the valve seat (6), a valve rod (8) arranged at the lower part of the valve clack (7) and in threaded connection with the valve body (2), and a driving assembly (4) arranged at the lower part of the valve rod (8) and in driving connection with the valve rod (8); the shape of the valve seat (6) is matched with the lower end of the reaction kettle (1), and the valve clack (7) is matched with the valve seat (6) to form an opening and closing structure.

2. A canister bottom valve according to claim 1, characterised in that: the lower end of the reaction kettle (1) is provided with a fixed joint (11), the fixed joint (11) is fixedly connected with the upper part of the valve body (2), and the valve seat (6) is arranged in the fixed joint (11); the length of the valve seat (6) is matched with that of a fixed joint (11) of the reaction kettle (1).

3. A canister bottom valve according to claim 1, characterised in that: a thread groove (21) is formed in the middle lower portion of the valve body (2), and the thread groove (21) is in thread fit with the valve rod (8); a sealing groove (22) is formed in the lowest part of the valve body (2), and a filler (23) is arranged in a gap between the sealing groove (22) and the valve rod (8) for filling; the lower end of the sealing groove (22) is provided with a sealing cover (24), the upper part of the sealing cover (24) is abutted to the packing (23), and the middle part of the sealing cover is connected with the lower part of the valve rod (8) in a sliding manner.

4. A canister bottom valve according to claim 3, characterised in that: an auxiliary rotating seat (5) is arranged below the sealing groove (22), and a guide rod (51) is arranged between the auxiliary rotating seat (5) and the sealing groove (22); an auxiliary rotating piece (52) is arranged at the lower part of the valve rod (8), one end of the auxiliary rotating piece (52) is rotatably connected with the valve rod (8), and the other end of the auxiliary rotating piece (52) is slidably connected with the guide rod (51); the upper side and the lower side of the auxiliary rotating piece (52) are symmetrically provided with limiting blocks (53), and the limiting blocks (53) are fixedly connected with the valve rod (8).

5. A tank bottom valve according to claim 4, characterised in that: the drive assembly (4) comprises: a driving rod (41) rotatably arranged in the auxiliary rotating seat (5); the coupling (42) is arranged between the valve rod (8) and the driving rod (41) and is respectively fixedly connected with the valve rod (8) and the driving rod (41); and the hand wheel (43) is arranged at the lower end of the driving rod (41) and is in driving connection with the driving rod (41).

6. A canister bottom valve according to claim 5, characterised in that: a positioning groove (54) is formed in the lower end of the auxiliary rotating seat (5), a positioning pin hole (44) is formed in the side portion of the hand wheel (43), and a positioning pin piece (45) is arranged in the positioning pin hole (44); the positioning pin piece (45) is in threaded connection with the positioning pin hole (44), and the tail end of the positioning pin piece is abutted to the positioning groove (54).