CN219328492U

CN219328492U - Conical flowmeter special for coal gas

Info

Publication number: CN219328492U
Application number: CN202320499667.5U
Authority: CN
Inventors: 李振
Original assignee: Tianjin Ronghua Automation Instrument Co ltd
Current assignee: Tianjin Ronghua Automation Instrument Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-11
Anticipated expiration: 2033-03-15

Abstract

The utility model belongs to the technical field of V-cone flowmeter equipment, in particular to a special cone flowmeter for coal gas, which comprises a flow tube, wherein flanges are arranged at the left end and the right end of the flow tube, a first fixing frame is arranged in the flow tube, a flow guide surface is arranged on one side of the first fixing frame, a socket is arranged on the other side of the first fixing frame, a flowmeter is arranged in the socket, a rubber ring is arranged on the surface of the flowmeter, a flow guide rod is arranged on one side of the flowmeter far away from the first fixing frame, a second fixing frame is arranged on one side of the flow guide rod, and a thread groove is formed in the flow tube.

Description

Conical flowmeter special for coal gas

Technical Field

The utility model relates to the technical field of V-cone flowmeter equipment, in particular to a special cone flowmeter for coal gas.

Background

The conical flowmeter is mainly responsible for monitoring the flow of fluid media, the working principle is that the pressure measuring device measures the pressure at different positions in the pipeline, and the pressure of the fluid at different positions is different through the conical restrictor, so that the total amount of the medium passing through the pipeline is monitored within a single time, the conical flowmeter is commonly used in the transportation field of industrial gas and liquid, and the flowmeter on the market generally carries out structural modification according to the different transportation media, such as transportation of gas and natural gas.

The prior art has the following problems:

1. the existing V-cone flowmeter is poor in stability, is generally directly fixed on a conveying pipeline through a flange, after a medium is throttled by a V-cone throttle, the pipeline is easy to move, gas leakage is easy to occur, and particularly the V-cone flowmeter is used in a conveying pipeline of coal gas and natural gas, the traditional pipeline is made of stainless steel, static explosion is easy to occur, and the use of the V-cone throttle has certain potential safety hazards;

2. the existing V-cone flowmeter is generally fixed inside a pipeline, and in the conveying process of gas and natural gas, more stains are easy to be stained inside the pipeline, regular disassembly, cleaning or maintenance and replacement are needed, and the integral installation has the characteristics that the cleaning work is difficult to spread and the cleaning time is slow although the fixing effect is guaranteed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a special cone-shaped flowmeter for coal gas, which solves the problems of movement and static electricity and the problem that a restrictor in a V-shaped cone flowmeter is difficult to clean.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a special toper flowmeter of coal gas, includes the flow pipe, both ends are provided with the flange about the flow pipe, the inside of flow pipe is provided with first mount, one side of first mount is provided with the water conservancy diversion face, the socket has been seted up to the opposite side of first mount, the inside of socket is provided with the flowmeter, the surface of flowmeter is provided with the rubber circle, one side that first mount was kept away from to the flowmeter is provided with the guide bar, one side of guide bar is provided with the second mount, the screw groove has been seted up to the inside of flow pipe, the bottom of flow pipe surface is provided with the foot rest, the foot rest surface runs through and has seted up first round hole, the inside top of foot rest is provided with the energy-absorbing spring, the inside of flow pipe is provided with the extension board, the surface of extension board runs through and has seted up the second round hole, the bottom of extension board is provided with the base.

As a preferable technical scheme of the utility model, the flange is fixedly connected with the flow tube, the first fixing frame is fixedly connected with the flow tube, and the appearance of the flow guide surface is conical.

As a preferable technical scheme of the utility model, the rubber ring is fixedly connected with the flowmeter, the outer surface size of the rubber ring is matched with the inner surface size of the socket, and the flowmeter is spliced with the socket through the rubber ring.

As a preferable technical scheme of the utility model, the number of the flow guide rods is a plurality of groups, the flow guide rods of the plurality of groups are distributed in an annular array relative to the side surface of the flowmeter, the flow guide rods are fixedly connected with the flowmeter, and the second fixing frame is fixedly connected with the flow guide rods.

As a preferable technical scheme of the utility model, the second fixing frame is in threaded connection with the thread groove, the foot frames are fixedly connected with the flow tube, the number of the foot frames is two, and the two foot frames are axially symmetrically distributed about the center vertical line of the flow tube.

As a preferable technical scheme of the utility model, the outer surface size of the extension plate is matched with the inner surface size of the foot rest, the extension plate is in sliding connection with the foot rest, the energy-absorbing spring is fixedly connected with the extension plate, and the extension plate is elastically connected with the foot rest through the energy-absorbing spring.

As a preferable technical scheme of the utility model, the inner diameter of the first round hole is matched with that of the second round hole, the number of the second round holes is a plurality of groups, the second round holes of the plurality of groups are distributed in an equidistant and straight line manner relative to the vertical line of the extension plate, and the foot rest and the extension plate are made of conductive stainless steel.

Compared with the prior art, the utility model provides the special conical flowmeter for the coal gas, which has the following beneficial effects:

1. this special toper flowmeter of coal gas sets up a plurality of groups guide bar through one side that keeps away from first mount at the flowmeter, the throttle work of supplementary choke ware, make the medium can be throttled by the guide bar again after the flowmeter throttles, make promotion throttle effect, and one side of guide bar is provided with the second mount, the second mount is direct with the flow tube between screw thread fixation, make the stability that promotes the flowmeter, the phenomenon of drunkenness has been reduced, and through setting up two sets of foot rest in the bottom of flow tube surface, the energy-absorbing spring of foot rest inside is pulling the extension board of bottom, and the base of extension board bottom is direct with the bottom surface contact, and realize the fixed of first round hole and second round hole through the bolt between foot rest and the extension board, make like this that the holistic fixed effect of flow tube obtains promoting, foot rest and extension board are electrically conductive stainless steel material in addition, direct earthing effect can prevent that the flow tube from taking place electrostatic phenomenon, the safety in utilization of device has been promoted.

2. This special toper flowmeter of coal gas through seting up the screw thread groove in one side of flow tube, threaded connection between second mount and the screw thread groove, and fixed between second mount and guide bar, the flowmeter for can drive the flowmeter and wholly rotate when rotating the second mount is whole, peg graft each other between the socket that the rubber circle of flowmeter one end and first mount one side were seted up, can make the rubber circle pulled out inside the socket when the flowmeter rotates, realize the dismantlement between flowmeter and the first mount like this, satisfy follow-up clearance maintenance's work, and the grafting between rubber circle and the socket has realized better leakproofness between flowmeter and the first mount, prevent the change on the monitoring accuracy.

Drawings

FIG. 1 is a schematic view of the inside of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the overall structure of the present utility model;

FIG. 3 is a schematic diagram of the flow meter connection structure of the present utility model;

fig. 4 is a schematic view of the internal structure of the stand according to the present utility model.

In the figure: 1. a flow tube; 2. a flange; 3. a first fixing frame; 4. a flow guiding surface; 5. a socket; 6. a flow meter; 7. a rubber ring; 8. a guide rod; 9. the second fixing frame; 10. a thread groove; 11. a foot rest; 12. a first round hole; 13. an energy absorbing spring; 14. an elongated plate; 15. a second round hole; 16. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the present embodiment: a special cone flowmeter for gas comprises a flow pipe 1, namely a pipeline; flanges 2 are arranged at the left end and the right end of the flow tube 1 and are used for connecting other conveying pipelines; a first fixing frame 3 is arranged in the flow tube 1 and is used for stabilizing the position of a subsequent device; one side of the first fixing frame 3 is provided with a flow guiding surface 4 for guiding the medium to prevent backflow after impacting with the first fixing frame 3; a socket 5 is formed on the other side of the first fixing frame 3 and is used for plugging and fixing a subsequent device; a flowmeter 6 is arranged in the socket 5 to guide the medium; the surface of the flowmeter 6 is provided with a rubber ring 7 which is used for being fixedly inserted with the socket 5 in a plugging manner, so that the sealing effect between the first fixing frame 3 and the flowmeter 6 is improved; a flow guide rod 8 is arranged on one side of the flowmeter 6 far away from the first fixing frame 3 and used for enhancing the flow guide effect of fluid, so that the pressure measurement precision of the flowmeter 6 is improved; a second fixing frame 9 is arranged on one side of the guide rod 8 and used for providing a fixing effect of the tail end of the flowmeter 6; a thread groove 10 is formed in the flow tube 1 to realize the disassembly of the second fixing frame 9; a foot rest 11 is arranged at the bottom end of the outer surface of the flow tube 1 and is used for providing support and electric conduction; the surface of the foot rest 11 is provided with a first round hole 12 in a penetrating way for the inserted fixation of the bolt; the top end of the interior of the foot rest 11 is provided with an energy-absorbing spring 13 for elastically buffering and absorbing energy; the flow tube 1 is internally provided with an extension plate 14 providing an extension effect suitable for different mounting heights; the surface of the extension plate 14 is provided with a second round hole 15 in a penetrating way and is used for being fixed with the first round hole 12 through a bolt; the bottom of the extension plate 14 is provided with a base 16 providing a better stability and grounding effect.

In the embodiment, the flange 2 is fixedly connected with the flow tube 1, the first fixing frame 3 is fixedly connected with the flow tube 1, the appearance of the guide surface 4 is conical, the conical guide surface 4 can guide fluid medium in one stage, backflow caused by collision between the medium and the first fixing frame 3 is prevented, and a good guide and guide effect is realized; the rubber ring 7 is fixedly connected with the flowmeter 6, the outer surface size of the rubber ring 7 is matched with the inner surface size of the socket 5, the flowmeter 6 is spliced with the socket 5 through the rubber ring 7 to achieve a good sealing effect between the flowmeter 6 and the first fixing frame 3, and the spliced state can be disassembled when pulled, so that the disassembling and cleaning purposes are met; the number of the flow guide rods 8 is a plurality of groups, the flow guide rods 8 of the plurality of groups are distributed in an annular array with respect to the side surface of the flowmeter 6, the flow guide rods 8 are fixedly connected with the flowmeter 6, the second fixing frame 9 is fixedly connected with the flow guide rods 8, the plurality of groups of flow guide rods 8 further improve the flow guide effect, after the flowmeter 6 throttles, the flow guide rods 8 can prevent the throttled gas from flowing through, and the effect of improving the pressure measurement precision is achieved; the second fixing frame 9 is in threaded connection with the threaded groove 10, the foot frames 11 are fixedly connected with the flow tube 1, the number of the foot frames 11 is two, the two foot frames 11 are in axisymmetric distribution about the center vertical line of the flow tube 1, the two foot frames 11 are respectively used for fixing the left end and the right end of the flow tube 1, and the second fixing frame 9 is in threaded connection with the threaded groove 10, so that the second fixing frame 9 can be in threaded disassembly; the outer surface size of the extension plate 14 is matched with the inner surface size of the foot rest 11, the extension plate 14 is in sliding connection with the foot rest 11, the energy-absorbing spring 13 is fixedly connected with the extension plate 14, the extension plate 14 is elastically connected with the foot rest 11 through the energy-absorbing spring 13, the extension plate 14 and the foot rest 11 slide so as to meet the installation grounding work under different heights, the elastic energy-absorbing spring 13 provides a certain energy-absorbing effect, and the phenomenon of play of the flow tube 1 is reduced; the inside diameter size of the first round hole 12 is matched with the inside diameter size of the second round hole 15, the number of the second round holes 15 is a plurality of groups, the second round holes 15 of the plurality of groups are distributed in an equidistant straight line with respect to the vertical line of the extension plate 14, the foot stool 11 and the extension plate 14 are made of conductive stainless steel, the first round hole 12 and the second round hole 15 can be fixed through bolts, the position between the foot stool 11 and the extension plate 14 is fixed, the foot stool 11 and the extension plate 14 made of the conductive stainless steel can be effectively grounded, and static explosion of the flow tube 1 is prevented.

The working principle and the using flow of the utility model are as follows: the operator connects through the flange 2 of flow pipe 1 left and right sides and fixes other transportation pipelines, and then through pulling the inside extension board 14 of foot rest 11, and with mutual alignment between first round hole 12 and the second round hole 15, utilize the bolt to peg graft fixedly, the base 16 of extension board 14 bottom can better ground connection like this, provide the better stable effect of flow pipe 1, and the inside energy-absorbing spring 13 of foot rest 11 can carry out the energy-absorbing buffering to the phenomenon that moves that flow pipe 1 takes place under elastic action, the stability of flow pipe 1 has been improved, in addition, the foot rest 11 and the extension board 14 of electrically conductive stainless steel material make can effectively prevent flow pipe 1 take place the electrostatic phenomenon, the safety in utilization of device has been improved, and be applicable to the measurement transportation of coal gas, the natural gas, and through setting up guide surface 4 in one side of first mount 3 and set up guide bar 8 in one side of flowmeter 6, the better guide effect of medium, prevent medium and the inside first mount 3 of flow pipe 1 in the high-speed circulation process, flowmeter 6 take place the impact, and second mount 9 are fixed in one side of guide bar 8, and second mount 9 need take place between the second mount 9 and second thread connection 9 take place in the inside the groove 6 when the thread 6 take place the inside the 3, the whole thread of the 3 is removed through the guide bar, the 3 is removed, the whole operation is realized, the 3 is realized, the surface is removed and the 3 is removed, the 3 is convenient for the whole is realized, the surface is removed, the 3 is easy to take place, the flowmeter is easy to take place, the 3 is easy to be removed, and the 3 is easy.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A conical flowmeter special for coal gas, comprising a flow tube (1), characterized in that: the utility model discloses a flow tube, including flow tube (1), flange (2) are provided with in both ends about flow tube (1), the inside of flow tube (1) is provided with first mount (3), one side of first mount (3) is provided with water conservancy diversion face (4), socket (5) have been seted up to the opposite side of first mount (3), the inside of socket (5) is provided with flowmeter (6), the surface of flowmeter (6) is provided with rubber circle (7), one side that first mount (3) was kept away from to flowmeter (6) is provided with guide bar (8), one side of guide bar (8) is provided with second mount (9), thread groove (10) have been seted up to the inside of flow tube (1), the bottom of flow tube (1) surface is provided with foot rest (11), foot rest (11) surface runs through and has seted up first round hole (12), the inside top of foot rest (11) is provided with spring (13), the inside of flow tube (1) is provided with extension board (14), the surface of extension board (14) is kept away from first mount (9), one side of keeping away from first mount (3) is provided with extension board (16).

2. The conical flowmeter for gas only according to claim 1, wherein: the flange (2) is fixedly connected with the flow tube (1), the first fixing frame (3) is fixedly connected with the flow tube (1), and the appearance of the flow guide surface (4) is conical.

3. The conical flowmeter for gas only according to claim 1, wherein: the rubber ring (7) is fixedly connected with the flowmeter (6), the outer surface size of the rubber ring (7) is matched with the inner surface size of the socket (5), and the flowmeter (6) is spliced with the socket (5) through the rubber ring (7).

4. The conical flowmeter for gas only according to claim 1, wherein: the number of the guide rods (8) is a plurality of groups, the guide rods (8) are distributed in an annular array on the side face of the flowmeter (6), the guide rods (8) are fixedly connected with the flowmeter (6), and the second fixing frame (9) is fixedly connected with the guide rods (8).

5. The conical flowmeter for gas only according to claim 1, wherein: the second fixing frame (9) is in threaded connection with the threaded groove (10), the foot frames (11) are fixedly connected with the flow tube (1), the number of the foot frames (11) is two, and the two foot frames (11) are in axisymmetric distribution relative to the center vertical line of the flow tube (1).

6. The conical flowmeter for gas only according to claim 1, wherein: the outer surface size of extension board (14) matches with the inner surface size of foot rest (11), extension board (14) and foot rest (11) sliding connection, energy-absorbing spring (13) and foot rest (11) fixed connection, energy-absorbing spring (13) and extension board (14) fixed connection, extension board (14) pass through energy-absorbing spring (13) and foot rest (11) elastic connection.

7. The conical flowmeter for gas only according to claim 1, wherein: the inner diameter of the first round hole (12) is matched with the inner diameter of the second round hole (15), the number of the second round holes (15) is a plurality of groups, the second round holes (15) are arranged in an equidistant straight line mode relative to the perpendicular line of the extension plate (14), and the foot rest (11) and the extension plate (14) are made of conductive stainless steel.