CN215000993U

CN215000993U - Ball valve throttle nozzle

Info

Publication number: CN215000993U
Application number: CN202120659347.2U
Authority: CN
Inventors: 吕亮; 丁睿
Original assignee: Wuhan Grat Control Valve Co ltd
Current assignee: Wuhan Grat Control Valve Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-03
Anticipated expiration: 2031-03-31

Abstract

The utility model provides a ball valve throttling nozzle, which belongs to the technical field of flange valve throttling conversion devices and comprises a throttling sleeve, a main pipe, a secondary pipe, a bypass pipe and a flowmeter, wherein the flowmeter is detachably and fixedly arranged on the main pipe, a sensor of the flowmeter extends into the main pipe, a first ball valve and a second ball valve are arranged on the main pipe, the first ball valve and the second ball valve are respectively positioned in front of and behind the flowmeter sensor, the rear end part of the main pipe is detachably and fixedly connected with the front end part of the secondary pipe, a first annular boss and a second annular boss are respectively arranged in the main pipe and the secondary pipe, the throttling sleeve is positioned in the joint of the main pipe and the secondary pipe, the peripheral wall of the throttling sleeve is cone-shaped, two end faces of the throttling sleeve are respectively abutted against the first annular boss and the second annular boss, one end part of the bypass pipe is communicated with the main pipe positioned in front of the first annular boss, the other end part of the bypass pipe is communicated with the main pipe positioned between the second ball valve and the throttling sleeve, and a third ball valve is arranged on the bypass pipe.

Description

Ball valve throttle nozzle

Technical Field

The utility model relates to a flange valve throttle conversion equipment's technical field, the more specifically flange valve throttle conversion equipment's for ball valve technical field that says so relates to.

Background

The valve is used for opening and closing the pipeline, controlling the flow direction, adjusting and controlling the pipeline accessories for conveying the medium, is also a control part in the pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of the medium, and has the functions of diversion, cut-off, throttling, non-return, diversion, overflow pressure relief and the like. In the actual production process, the medium flowing through the valve in the pipeline system is often throttled, the current common throttling method achieves the throttling effect by changing the pipe diameter of the pipeline or the hole diameter of the valve and other measures, and the throttling method is difficult to implement and high in cost because the pipeline or the valve needs to be modified, and the throttling effect cannot be adjusted in the later stage.

The flowmeter is often used in a valve pipeline for measuring the flow of fluid, and the flowmeter is often required to be replaced in an actual production process, however, the flowmeter in the traditional pipeline system needs to be cut off when being detached and replaced, so that normal production is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ball valve throttle is chewed has solved and has changed the fluid in the flow timing need cut off the pipeline among the prior art to and need change the problem of pipeline pipe diameter or valve aperture diameter during the throttle.

The technical scheme of the utility model is realized like this:

the ball valve throttling nozzle comprises a throttling sleeve, a main pipe, an auxiliary pipe, a bypass pipe and a flowmeter, wherein the flowmeter is detachably and fixedly arranged on the main pipe, a sensor of the flowmeter extends into the main pipe, a first ball valve and a second ball valve are arranged on the main pipe and are respectively positioned in front of and behind the flowmeter sensor, the rear end part of the main pipe is detachably and fixedly connected with the front end part of the auxiliary pipe, a first annular boss and a second annular boss are respectively arranged in the main pipe and the auxiliary pipe, the throttling sleeve is positioned in the joint of the main pipe and the auxiliary pipe, the peripheral wall of the throttling sleeve is conical, two end surfaces of the throttling sleeve respectively abut against the first annular boss and the second annular boss, one end part of the bypass pipe is communicated with the main pipe positioned in front of the first ball valve, and the other end part of the bypass pipe is communicated with the main pipe positioned between the second ball valve and the throttling sleeve, and a third ball valve is arranged on the bypass pipe.

Further, still including sealed the pad the through-hole has been seted up on being responsible for, the through-hole department of being responsible for is provided with the convex seat be provided with the support on the flowmeter, the support of flowmeter passes through first bolt detachably fixed mounting on the convex seat, and sealed the pad is compressed tightly between support and convex seat, and the sensor of flowmeter stretches into in the main pipe from through-hole department.

Furthermore, the throttling sleeve is made of polytetrafluoroethylene.

Further, flange plates are respectively arranged at the rear end part of the main pipe and the front end part of the auxiliary pipe, and the flange plates of the main pipe and the auxiliary pipe are detachably and fixedly connected through second bolts and nuts.

The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:

1. when the flow meter of different models needs to be changed, the third ball valve is opened firstly, then the first ball valve and the second ball valve are closed, so that the fluid bypasses the sensor of the flowmeter and flows through the bypass pipe, then the flowmeter can be disassembled and replaced, the medium flowing in the pipeline system does not need to be cut off, and the influence on normal production is avoided.

2. The throttling sleeve has a good throttling effect, is simple in structure and low in manufacturing and using cost, and overcomes the defect that the throttling effect is achieved by changing the pipe diameter of a pipeline or the hole diameter of a valve in the prior art. And after the main pipe and the auxiliary pipe are disassembled, the throttling sleeve can be quickly disassembled, assembled and replaced, so that the throttling requirements of different working condition occasions are well met.

3. Because the peripheral wall of the throttling sleeve is set to be conical, a space is reserved between the peripheral wall of the throttling sleeve and the inner peripheral walls of the main pipe and the auxiliary pipe, the heat dissipation effect of the throttling sleeve can be effectively improved, and the service life of the throttling sleeve is further prolonged.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the drawings, the parts corresponding to the reference numerals are as follows:

1-throttling sleeve, 2-main pipe, 3-by-pass pipe, 4-first ball valve, 5-second ball valve, 6-third ball valve, 7-flowmeter, 8-auxiliary pipe, 9-sensor, 10-first annular boss, 11-second annular boss, 12-through hole, 13-support, 14-sealing gasket, 15-first bolt, 16-boss, 17-flange plate, 18-second bolt and 19-nut.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the ball valve throttling nozzle comprises a throttling sleeve 1, a main pipe 2, a secondary pipe 8, a bypass pipe 3, a flowmeter 7 and a sealing gasket 14, wherein the flowmeter 7 is detachably and fixedly arranged on the main pipe 2, a sensor 9 of the flowmeter 7 extends into the main pipe 2, and the flowmeter 7 and the main pipe 2 are specifically arranged and connected in the following relation: referring to fig. 3, a through hole 12 is formed in the main pipe 2, a boss 16 is disposed at the through hole 12 of the main pipe 2, a support 13 is disposed on the flowmeter 7, the support 13 of the flowmeter 7 is detachably and fixedly mounted on the boss 16 through a first bolt 15, a gasket 14 is tightly pressed between the support 13 and the boss 16, and the sensor 9 of the flowmeter 7 extends into the main pipe 2 from the through hole 12. A first ball valve 4 and a second ball valve 5 are arranged on the main pipe 2, and the first ball valve 4 and the second ball valve 5 are respectively positioned in front of and behind a sensor 9 of a flowmeter 7.

Referring to fig. 2, the rear end portion of the main pipe 2 is detachably and fixedly connected with the front end portion of the secondary pipe 8, and the specific connection relationship between the main pipe 2 and the secondary pipe 8 is as follows: flange plates 17 are respectively provided at the rear end portion of the main pipe 2 and the front end portion of the sub pipe 8, and the flange plates 17 of the main pipe 2 and the sub pipe 8 are detachably and fixedly connected by second bolts 18 and nuts 19. The throttling sleeve 1 is positioned in the joint of the main pipe 2 and the auxiliary pipe 8, the outer peripheral wall of the throttling sleeve 1 is conical, two end faces of the throttling sleeve 1 respectively abut against the first annular boss 10 and the second annular boss 11, and the throttling sleeve 1 is made of polytetrafluoroethylene materials so as to improve the corrosion resistance effect. One end part of the bypass pipe 3 is communicated with the main pipe 2 positioned in front of the first ball valve 4, the other end part of the bypass pipe 3 is communicated with the main pipe 2 positioned between the second ball valve 5 and the throttling sleeve 1, and the bypass pipe 3 is provided with a third ball valve 6.

The utility model discloses an during operation is chewed in the ball valve throttle, and in the front end portion that will be responsible for 2 and the back tip of auxiliary pipe 8 inserted pipe-line system, open first ball valve 4 and second ball valve 5, close third ball valve 6, the fluid flows in from the front end portion of being responsible for 2 to flow out from the back tip of auxiliary pipe 8, measure the interior fluidic flow of being responsible for 2 through flowmeter 7, throttle the fluid that flows through throttle cover 1. When the flowmeter 7 of different models needs to be replaced, the third ball valve 6 is opened, then the first ball valve 4 and the second ball valve 5 are closed, the sensor 9 for bypassing the flowmeter 7 by fluid flows through the bypass pipe 3, then the flowmeter 7 can be detached and replaced, the medium flowing in the pipeline system does not need to be cut off, and therefore the influence on normal production is avoided. The throttling sleeve 1 has good throttling effect, the throttling sleeve 1 is simple in structure and low in manufacturing and using cost, and the defect that the pipe diameter of a pipeline or the hole diameter of a valve needs to be changed in the prior art is overcome. And after the main pipe 2 and the auxiliary pipe 8 are disassembled, the throttling sleeve 1 can be quickly replaced, so that the throttling requirements of different working conditions are well met.

In the description of the present invention, it should be understood that the terms "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The ball valve throttling nozzle is characterized by comprising a throttling sleeve (1), a main pipe (2), an auxiliary pipe (8), a bypass pipe (3) and a flowmeter (7), wherein the flowmeter (7) is detachably and fixedly installed on the main pipe (2), a sensor (9) of the flowmeter (7) extends into the main pipe (2), a first ball valve (4) and a second ball valve (5) are arranged on the main pipe (2), the first ball valve (4) and the second ball valve (5) are respectively positioned in front of and behind the sensor (9) of the flowmeter (7), the rear end part of the main pipe (2) is detachably and fixedly connected with the front end part of the auxiliary pipe (8), a first annular boss (10) and a second annular boss (11) are respectively arranged in the main pipe (2) and the auxiliary pipe (8), the throttling sleeve (1) is positioned in the joint of the main pipe (2) and the auxiliary pipe (8), and the outer peripheral wall of the throttling sleeve (1) is conical, the two end faces of the throttling sleeve (1) are respectively abutted against the first annular boss (10) and the second annular boss (11), one end part of the bypass pipe (3) is communicated with the main pipe (2) positioned in front of the first ball valve (4), the other end part of the bypass pipe (3) is communicated with the main pipe (2) positioned between the second ball valve (5) and the throttling sleeve (1), and the third ball valve (6) is arranged on the bypass pipe (3).

2. The ball valve throttling nozzle according to claim 1, characterized by further comprising a sealing gasket (14), wherein a through hole (12) is formed in the main pipe (2), a convex seat (16) is arranged at the through hole (12) of the main pipe (2), a support (13) is arranged on the flowmeter (7), the support (13) of the flowmeter (7) is detachably and fixedly installed on the convex seat (16) through a first bolt (15), the sealing gasket (14) is tightly pressed between the support (13) and the convex seat (16), and a sensor (9) of the flowmeter (7) extends into the main pipe (2) from the through hole (12).

3. The ball valve choke according to claim 1, characterized in that the throttling sleeve (1) is made of polytetrafluoroethylene.

4. The ball valve orifice according to claim 1, characterized in that flange plates (17) are provided at the rear end of the main pipe (2) and the front end of the sub pipe (8), respectively, and the flange plates (17) of the main pipe (2) and the sub pipe (8) are detachably and fixedly connected by second bolts (18) and nuts (19).