CN219161369U

CN219161369U - Plug-in anti-blocking V-cone flowmeter with heat tracing function

Info

Publication number: CN219161369U
Application number: CN202223338815.XU
Authority: CN
Inventors: 张锋; 张海燕; 于绍军; 王海涛; 张语轩
Original assignee: Shandong Lixuan Measurement And Control Equipment Co ltd
Current assignee: Shandong Lixuan Measurement And Control Equipment Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-09
Anticipated expiration: 2032-12-12

Abstract

The utility model provides an inserted anti-blocking V-cone flowmeter with a heat tracing function, which relates to the technical field of V-cone flowmeters and comprises a measuring pipe and a detecting head, wherein the detecting head is arranged at the detecting end of the measuring pipe, the measuring pipe is of a hollow structure, a positive pressure taking pipe and a negative pressure taking pipe are respectively communicated with the detecting head, the positive pressure taking pipe and the negative pressure taking pipe are respectively arranged on the inner wall of the measuring pipe in a penetrating way, a heat tracing pipe body is arranged in the measuring pipe in a penetrating way, the side wall of the heat tracing pipe body is in contact with the side walls of the positive pressure taking pipe and the negative pressure taking pipe, a heat tracing pipe joint is arranged on the outer wall of the measuring pipe, one end of the heat tracing pipe joint is in sealing communication with the heat tracing pipe body, and a differential pressure transmission is arranged at the upper end of the measuring pipe in a communicating way. According to the utility model, the heat tracing pipe body is arranged at the outer sides of the positive pressure taking pipe and the negative pressure taking pipe, so that the positive pressure taking pipe and the negative pressure taking pipe are heated, and the phenomenon of adhesion or blockage is not easy to occur when the medium taken in the positive pressure taking pipe and the negative pressure taking pipe flows through the sensor.

Description

Plug-in anti-blocking V-cone flowmeter with heat tracing function

Technical Field

The utility model relates to the technical field of V-cone flow meters, in particular to an inserted anti-blocking V-cone flow meter with a heat tracing function.

Background

V-cone flowmeter is also called V-cone flowmeter, cone flowmeter and inner cone flowmeter, wherein V-cone flowmeter is actually a differential pressure flowmeter, which makes differential pressure flow measurement a qualitative leap in the field, and belongs to a novel differential pressure flow meter with high accuracy and high stability;

the utility model provides an inserted cone pressure-taking flowmeter of patent number "CN202182744U", relate to the cone pressure-taking flowmeter, be equipped with the stationary flow and get the pressure tube, the stationary flow is got the inside conical festival body that is equipped with of pressure tube, be equipped with respectively on the stationary flow pressure tube of both sides around the conical festival body and get pressure mouth and negative pressure mouth, be equipped with respectively on positive pressure mouth and the negative pressure mouth and get pressure tube just, be equipped with the insert safety cover outside positive pressure tube and the negative pressure tube, insert the safety cover upper portion and be equipped with mounting flange, positive pressure tube and negative pressure tube pass and insert the safety cover and connect differential pressure transmitter. When in use, the steady flow pressure-taking pipe is inserted into the measured pipeline for measurement, the size of the flowmeter is not required to be matched with the pipe diameter of the measured pipeline, the whole size is small, the materials are saved, and the manufacturing cost is low; the part of the flowmeter inserted into the pipeline to be measured has small volume, small pressure loss, low energy consumption, obvious energy-saving effect and low use cost; the flow of the fluid in different pipe diameters can be measured by inputting the numerical values of the different pipe diameters, and the application range is wide.

The inserted anti-blocking V-cone flowmeter is mainly used for measuring the flow of a medium which is dirty, easy to crystallize and easy to adhere; for example, the flow data of various dirty air, flue gas, tail gas and flare gas are measured by coke oven gas containing water, naphthalene and tar, and the medium components are complex, so that the sensor probe is easy to adhere and block, the measured data is unstable, and the deviation is large.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a probe is easy to block during measurement in an environment with high viscosity, and measurement data is unstable.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an inserted anti-blocking V cone flowmeter with heat tracing function, includes measuring pipe and detection head, the detection head sets up the detection end of measuring pipe, the measuring pipe is hollow structure, the overhead intercommunication of detection is equipped with positive pressure taking pipe and negative pressure taking pipe respectively, positive pressure taking pipe with negative pressure taking pipe wears to establish respectively on the inner wall of measuring pipe, the inside of measuring pipe wears to be equipped with the heat tracing pipe body, the lateral wall of the heat tracing pipe body with the lateral wall contact setting of positive pressure taking pipe and negative pressure taking pipe, be equipped with the heat tracing pipe joint on the outer wall of measuring pipe, the one end of heat tracing pipe joint with the sealed intercommunication setting of heat tracing pipe body, the upper end intercommunication of measuring pipe is equipped with differential pressure derailleur, positive pressure taking pipe and negative pressure taking pipe with differential pressure derailleur intercommunication sets up, the input of detection head is equipped with anti-blocking mechanism.

As a preferred implementation mode, the heat tracing pipe joints are two, the two heat tracing pipe joints are respectively arranged at two ends of the heat tracing pipe body, the heat tracing pipe body is U-shaped and arranged on the side walls of the positive pressure taking pipe and the negative pressure taking pipe, the lower part of the heat tracing pipe body extends to the lower end of the measuring pipe, and the heat tracing pipe body is of a U-shaped structure and is always contacted with the positive pressure taking pipe and the negative pressure taking pipe, so that uniform heat tracing operation on the inside of the heat tracing pipe body is achieved.

As a preferred embodiment, the heat tracing pipe body is a steam heat tracing pipe, the outer ends of the two heat tracing pipe joints are respectively communicated with an external heating source and an external steam recovery device, and the heat tracing pipe joints are matched with the heat tracing pipe body to facilitate continuous steam conveying operation in the heat tracing pipe body, so that the heating operation of medium in the heat tracing pipe body is achieved.

As a preferred implementation mode, be equipped with the lag between the measuring pipe lower extreme outside with the measuring pipe lower extreme, positive get the lower extreme of pressure pipe and negative get the pressure pipe run through the lag and with the measuring head intercommunication sets up, the below winding of the heat tracing pipe body sets up the lag is inboard positive get the pressure pipe and negative get the pressure pipe, and with the outside cover of measuring head is established the assembly, through with the heat tracing pipe body the below with positive get the pressure pipe and negative get the pressure pipe to the junction of measuring head contact the setting for can realize the heating to positive get the pressure pipe and negative get the pressure pipe of measuring head department, make the heat tracing more even.

As a preferred embodiment, can dismantle on the survey pipe and be equipped with maintenance equipment, maintenance equipment's both ends with be connected through the ring flange assembly between the survey pipe, maintenance equipment with between the survey pipe terminal surface the communication setting can be dismantled to the heat tracing pipe body or positive pressure pipe and negative pressure pipe, through the maintenance equipment of setting, be convenient for carry out maintenance operation to survey pipe inside, through can dismantling the communication setting to heat tracing pipe body or positive pressure pipe and negative pressure pipe, be convenient for dismantle between maintenance equipment and the survey pipe.

As a preferred implementation mode, the positive pressure taking pipe and the negative pressure taking pipe are identical with the end face splicing structure of the heat tracing pipe body, two ends spliced with each other are in threaded assembly connection with each other between the positive pressure taking pipes, one of the end faces of the positive pressure taking pipes are rotationally provided with adjusting pipes, the other end face sealing threads of the positive pressure taking pipes are arranged in the positive pressure taking pipes, the outer sides of the positive pressure taking pipes are in threaded assembly connection with the inner walls of the adjusting pipes, and the positive pressure taking pipes are conveniently driven to rotate relative to the adjusting pipes through rotating the adjusting pipes, so that rotational displacement between the two positive pressure taking pipes is achieved, and sealing splicing operation of the end faces of the two positive pressure taking pipes between the measuring pipe and overhauling equipment is achieved.

As a preferred implementation mode, the anti-blocking mechanism comprises an anti-blocking plate and a filter screen, the anti-blocking plate is detachably arranged on the end face of the detection head, the anti-blocking plate is of a hollow round structure, the filter screen is arranged inside the anti-blocking plate, and the filter screen is convenient to filter massive impurities and avoids blocking a positive pressure taking pipe and a negative pressure taking pipe.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the detection head is arranged at the position to be detected, the positive pressure taking pipe and the negative pressure taking pipe which are communicated with each other are arranged on the detection head, and the heat tracing pipe body is arranged on the outer sides of the positive pressure taking pipe and the negative pressure taking pipe, so that the positive pressure taking pipe and the negative pressure taking pipe are heated, the medium taken in the positive pressure taking pipe and the negative pressure taking pipe is not easy to harden and has better fluidity in the flowing process, and the phenomenon of adhesion or blockage is not easy to generate when the medium flows through the sensor, thereby ensuring the normal operation of the sensor, and effectively solving the difficult problem of medium measurement.

2. According to the utility model, the anti-blocking mechanism is arranged at the input end of the detection head, so that the blocking of large-scale impurities generated in a medium in the detection process is facilitated, the large-scale impurities are conveniently filtered through the arranged filter screen, the blocking of the positive pressure taking pipe and the negative pressure taking pipe is avoided, and the blocking phenomenon caused by the blockage of the detection head by impurities in the detection process is avoided.

Drawings

FIG. 1 is a perspective view of an inserted anti-blocking V-cone flowmeter with heat tracing function provided by the utility model;

FIG. 2 is a schematic diagram of the internal structure of an inserted anti-blocking V-cone flowmeter with heat tracing function according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 of an inserted anti-blocking V-cone flowmeter with heat tracing function according to the present utility model;

FIG. 4 is a perspective view of a detection head of an inserted anti-blocking V-cone flowmeter with heat tracing function;

fig. 5 is a schematic diagram showing the disassembly of an overhaul device and a measuring tube of an inserted anti-blocking V-cone flowmeter with a heat tracing function.

Legend description:

1. a measuring tube; 2. a detection head; 3. a positive pressure taking pipe; 4. a negative pressure taking pipe; 5. a heat tracing pipe body; 6. a heat trace pipe joint; 7. differential pressure transmission; 8. a protective sleeve; 9. overhauling equipment; 10. a flange plate; 11. an adjusting tube; 12. a blocking prevention plate; 13. and (5) a filter screen.

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. 1-5, the present utility model provides a technical solution: the utility model provides an inserted anti-blocking V cone flowmeter with heat tracing function, including survey pipe 1 and detection head 2, detection head 2 sets up the detection end at survey pipe 1, a serial communication port, survey pipe 1 is hollow structure, the intercommunication is equipped with positive pressure pipe 3 and negative pressure pipe 4 respectively on detection head 2, positive pressure pipe 3 and negative pressure pipe 4 wear to establish respectively on survey pipe 1's inner wall, survey pipe 1's inside wears to be equipped with heat tracing pipe body 5, heat tracing pipe body 5's lateral wall and positive pressure pipe 3 and negative pressure pipe 4's lateral wall contact setting, be equipped with heat tracing pipe joint 6 on survey pipe 1's the outer wall, heat tracing pipe joint 6's one end and heat tracing pipe body 5 sealing connection setting, survey pipe 1's upper end intercommunication is equipped with differential pressure transmission 7, positive pressure pipe 3 and negative pressure pipe 4 and differential pressure transmission 7 intercommunication setting, the input of detection head 2 is equipped with anti-blocking mechanism, when using the device to detect, the accessible to detect head 2 sets up in waiting to detect the position, through the positive pressure pipe 3 and the negative pressure pipe 4 of intercommunication, and the negative pressure pipe 4 contact setting up at positive pressure pipe 3 and the negative pressure pipe 4, thereby the medium flow through the difficult medium that detects in the difficult medium that flows in the detection head 2, thereby the medium that the medium of leading to flow is difficult to flow through the detection head is difficult to be carried out, the medium flow in the detection head is difficult to be set up in the detection head 3, the medium flow is difficult to be stopped up in the detection end, the medium flow through the detection end has been difficult to realize, and the problem is easy to be stopped up, and the medium flow in the detection device is easy to be difficult to realize, and the medium flow to flow and the detection is easy to flow and the quality.

As shown in fig. 1-5, two heat tracing pipe joints 6 are provided, the two heat tracing pipe joints 6 are respectively arranged at two ends of the heat tracing pipe body 5, the heat tracing pipe body 5 is arranged on the side walls of the positive pressure taking pipe 3 and the negative pressure taking pipe 4 in a U shape, the lower part of the heat tracing pipe body 5 extends to the lower end of the measuring pipe 1, and the heat tracing pipe body 5 is arranged into a U-shaped structure and is always contacted with the positive pressure taking pipe 3 and the negative pressure taking pipe 4, so that uniform heat tracing operation on the inside of the heat tracing pipe is achieved.

As shown in fig. 1-5, the heat tracing pipe body 5 is a vapor heat tracing pipe, the outer ends of the two heat tracing pipe joints 6 are respectively communicated with an external heating source and an external vapor recovery device, and the operation of continuously conveying vapor in the heat tracing pipe body 5 is facilitated by matching the heat tracing pipe joints 6 with the heat tracing pipe body 5, so that the heating operation of a medium in the heat tracing pipe body 5 is achieved.

As shown in fig. 1-5, a protecting sleeve 8 is arranged between the outer side of the detecting head 2 and the lower end of the measuring tube 1, the lower ends of the positive pressure taking tube 3 and the negative pressure taking tube 4 penetrate through the protecting sleeve 8 and are communicated with the detecting head 2, the lower part of the heat tracing tube 5 is wound on the positive pressure taking tube 3 and the negative pressure taking tube 4 which are arranged on the inner side of the protecting sleeve 8 and are sleeved with the outer side of the detecting head 2, and the connecting part of the detecting head 2 is contacted and arranged by the lower part of the heat tracing tube 5, the positive pressure taking tube 3 and the negative pressure taking tube 4 at the detecting head 2 can be heated, so that heat tracing is more uniform.

As shown in fig. 1-5, an overhaul device 9 is detachably arranged on the measuring tube 1, two ends of the overhaul device 9 are assembled and connected with the measuring tube 1 through a flange plate 10, the overhaul device 9 is detachably communicated with the heat tracing pipe body 5 or the positive pressure taking pipe 3 and the negative pressure taking pipe 4 between the end faces of the measuring tube 1, the overhaul operation is convenient to be performed inside the measuring tube 1 through the arranged overhaul device 9, and the disassembly and the communication are convenient to be performed between the overhaul device 9 and the measuring tube 1 through the disassembly and the communication of the heat tracing pipe body 5 or the positive pressure taking pipe 3 and the negative pressure taking pipe 4.

As shown in fig. 1-5, the end surface splicing structures of the positive pressure taking pipe 3, the negative pressure taking pipe 4 and the heat tracing pipe body 5 are identical, the two end surface positive pressure taking pipes 3 spliced with each other are in threaded assembly connection, the outer side surface of one positive pressure taking pipe 3 is rotationally provided with an adjusting pipe 11, the end surface sealing threads of the other positive pressure taking pipe 3 are arranged in the positive pressure taking pipe 3, the outer side of the positive pressure taking pipe 3 is in threaded assembly connection with the inner wall of the adjusting pipe 11, the adjusting pipe 11 is rotated, the positive pressure taking pipe 3 is conveniently driven to rotate relative to the adjusting pipe 11, and further rotary displacement between the two positive pressure taking pipes 3 is realized, and sealing splicing operation of the end surfaces of the two positive pressure taking pipes 3 between the measuring pipe 1 and the overhaul equipment 9 is achieved.

As shown in fig. 1-5, the anti-blocking mechanism comprises an anti-blocking plate 12 and a filter screen 13, the anti-blocking plate 12 is detachably arranged on the end face of the detection head 2, the anti-blocking plate 12 is of a hollow round structure, the filter screen 13 is arranged inside the anti-blocking plate 12, and the filter screen 13 is arranged to facilitate filtering of massive impurities and prevent blocking of the positive pressure taking pipe 3 and the negative pressure taking pipe 4.

Working principle: when the device is used for detection, the detection head 2 is arranged at a position to be detected, the positive pressure taking pipe 3 and the negative pressure taking pipe 4 are communicated with the detection head 2, the heat tracing pipe 5 is arranged on the outer sides of the positive pressure taking pipe 3 and the negative pressure taking pipe 4, the positive pressure taking pipe 3 and the negative pressure taking pipe 4 are heated, the medium taken in the positive pressure taking pipe 3 and the negative pressure taking pipe 4 is hard and better in fluidity in the flowing process, the phenomenon of adhesion or blockage is not easy to occur when the medium flows through the sensor, the normal work of the sensor is ensured, the problem of difficult medium measurement is effectively solved, and the blocking prevention mechanism is arranged at the input end of the detection head 2, so that large sundries generated in the medium in the detection process are conveniently blocked, and the phenomenon that the measuring head 2 is blocked by sundries in the detection process is avoided.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides an inserted anti-blocking V awl flowmeter with heat tracing function, includes survey pipe (1) and detects first (2), it is in to detect first (2) the detection end of survey pipe (1), a serial communication port, survey and be equipped with positive pressure pipe (3) and negative pressure pipe (4) to communicate respectively on first (2) to detect, positive pressure pipe (3) with negative pressure pipe (4) wear to establish respectively on the inner wall of survey pipe (1), the inside of survey pipe (1) wear to be equipped with heat tracing pipe body (5), the lateral wall of heat tracing pipe body (5) with the lateral wall contact setting of positive pressure pipe (3) and negative pressure pipe (4), be equipped with heat tracing pipe joint (6) on the outer wall of survey pipe (1), the one end of heat tracing pipe joint (6) with heat tracing pipe body (5) seal the intercommunication setting, the upper end intercommunication of survey pipe (1) is equipped with pressure differential (7), positive pressure pipe (3) and negative pressure pipe (4) with detect and prevent stifled end (7).

2. The plug-in anti-blocking V-cone flowmeter with heat tracing function of claim 1, wherein: the heat tracing pipe joint (6) is provided with two heat tracing pipe joints (6) which are respectively arranged at two ends of the heat tracing pipe body (5), the heat tracing pipe body (5) is U-shaped and arranged on the side walls of the positive pressure taking pipe (3) and the negative pressure taking pipe (4), and the lower part of the heat tracing pipe body (5) extends to the lower end of the measuring pipe (1).

3. The plug-in anti-blocking V-cone flowmeter with heat tracing function of claim 2, wherein: the heat tracing pipe body (5) is a steam heat tracing pipe, and the outer ends of the two heat tracing pipe joints (6) are respectively communicated with an external heating source and external steam recovery equipment.

4. The plug-in anti-blocking V-cone flowmeter with heat tracing function of claim 1, wherein: the detecting head is characterized in that a protective sleeve (8) is arranged between the outer side of the detecting head (2) and the lower end of the measuring tube (1), the lower ends of the positive pressure taking tube (3) and the negative pressure taking tube (4) penetrate through the protective sleeve (8) and are communicated with the detecting head (2), the lower winding of the heat tracing tube body (5) is arranged on the inner side of the protective sleeve (8) and is sleeved with the positive pressure taking tube (3) and the negative pressure taking tube (4) and assembled with the outer side of the detecting head (2).

5. The plug-in anti-blocking V-cone flowmeter with heat tracing function of claim 1, wherein: the utility model discloses a measuring pipe, including survey pipe (1), survey pipe (1) and pipeline, can dismantle on survey pipe (1) and be equipped with maintenance equipment (9), maintenance equipment (9) both ends with install and connect through ring flange (10) between survey pipe (1), maintenance equipment (9) with between survey pipe (1) terminal surface companion's body (5) or positive pressure pipe (3) and negative pressure pipe (4) can dismantle the intercommunication setting.

6. The plug-in anti-blocking V-cone flowmeter with heat tracing function of claim 5, wherein: the positive pressure taking pipe (3) and the negative pressure taking pipe (4) are identical with the end face splicing structure of the heat tracing pipe body (5), two ends spliced with each other are in threaded assembly connection with each other between the positive pressure taking pipes (3), one of the positive pressure taking pipes (3) is provided with an adjusting pipe (11) in a rotating mode, the other of the positive pressure taking pipes (3) is provided with end face sealing threads in the positive pressure taking pipes (3), and the outer side of the positive pressure taking pipes (3) is in threaded assembly connection with the inner wall of the adjusting pipe (11).

7. The plug-in anti-blocking V-cone flowmeter with heat tracing function of claim 1, wherein: the anti-blocking mechanism comprises an anti-blocking plate (12) and a filter screen (13), wherein the anti-blocking plate (12) is detachably arranged on the end face of the detection head (2), the anti-blocking plate (12) is of a hollow round structure, and the filter screen (13) is arranged inside the anti-blocking plate (12).