CN215374104U

CN215374104U - Heat preservation jacket vortex shedding flowmeter

Info

Publication number: CN215374104U
Application number: CN202120479441.XU
Authority: CN
Inventors: 高洪波; 高福春
Original assignee: Weihai Chengxinda Instrument Co ltd
Current assignee: Weihai Chengxinda Instrument Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-12-31
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a thermal insulation jacket vortex shedding flowmeter which comprises a flowmeter head, wherein a junction box is fixedly installed at the top end of the flowmeter head, a connecting rod is fixedly installed in the middle of the bottom surface of the flowmeter head, a radiating fin is fixedly sleeved on the surface of the connecting rod, a pipeline is fixedly installed at the bottom end of the connecting rod, flanges are fixedly installed at two ends of the pipeline, a jacket is sleeved on the surface of the pipeline, and a hinge is fixedly installed at the top end of the jacket. This heat preservation presss from both sides cover vortex street flowmeter, through setting up the hot plate, the cotton and the mutually supporting that presss from both sides the cover of heat preservation, when the inside fluid temperature of pipeline sharply descends, the hot plate begins to work, and the heat preservation is cotton and presss from both sides the cover and keeps warm to it, has realized keeping warm and the target of heating to the pipeline, has avoided the continuous flow of fluid to produce strong heat dissipation to it and has leaded to the condition emergence of crystallization to appear in the pipeline inner wall, has avoided unable to lead to measuring the condition emergence of failure because of the pipeline inner wall crystallization, and heat insulating ability is better.

Description

Heat preservation jacket vortex shedding flowmeter

Technical Field

The utility model relates to the technical field of vortex shedding flowmeters, in particular to a thermal insulation jacket vortex shedding flowmeter.

Background

In the fields of chemical engineering, petrifaction and the like, a plurality of fluids which are easy to generate phase change in use, such as gaseous sulfur in acid gas, urea in urea solution, caprolactam and other fluids exist, in the fluid conveying process, because the temperature is continuously reduced, the components which are easy to generate phase change in the middle are condensed or crystallized, the components are changed into liquid from gaseous state, or changed into solid from liquid, or even directly changed into solid from gaseous state, the components are condensed on the liquid receiving surface of the vortex flowmeter, the topological appearance of the liquid receiving part of the vortex flowmeter is damaged, and the vortex flowmeter cannot generate normal karman vortex street, so that the measurement failure is caused. The vortex shedding flowmeter is a volume flowmeter which is produced according to the Karman vortex shedding principle and is used for measuring the volume flow, standard condition volume flow or mass flow of gas, steam or liquid. The flow meter is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like.

Most of the existing heat preservation jacket vortex shedding flowmeters have poor heat preservation performance, are difficult to heat pipelines, and generate strong heat dissipation effect on the pipelines due to continuous flowing of fluid, so that the temperature of the fluid in the pipelines is reduced sharply, the inner walls of the pipelines are crystallized, the measurement failure is finally caused, and the heat preservation performance is very poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a thermal insulation jacket vortex shedding flowmeter, which solves the problems mentioned in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a thermal insulation jacket vortex shedding flowmeter comprises a flowmeter head, a junction box is fixedly arranged at the top end of the flowmeter head, the middle part of the bottom surface of the flowmeter head is fixedly provided with a connecting rod, the surface of the connecting rod is fixedly sleeved with a radiating fin, the bottom end of the connecting rod is fixedly provided with a pipeline, two ends of the pipeline are fixedly provided with flange plates, the surface of the pipeline is sleeved with a jacket, the top end of the jacket is fixedly provided with a hinge, the inner wall of the jacket is fixedly provided with a heating plate, the inner wall of the jacket is fixedly provided with heat preservation cotton, the bottom end of the jacket is fixedly provided with a first fixing plate and a second fixing plate, the right side surface of the second fixing plate is inserted with a threaded rod in a sliding way, and the left end and the first fixed plate threaded connection of threaded rod, the fixed surface of threaded rod cup joints and installs the spacing ring, fixed mounting has the fender body between the inner wall top of pipeline and the bottom.

Preferably, the number of the clamping sleeves is four, every two clamping sleeves are in one group, each group of clamping sleeves is hinged through a hinge, and the two groups of clamping sleeves are respectively positioned on the left side and the right side of the connecting rod.

Preferably, the number of the heat preservation cotton and the heating plates is six, and the heat preservation cotton and the heating plates are installed in a crossed mode.

Preferably, the right end of the threaded rod is fixedly welded with a handheld knob, and the surface of the handheld knob is provided with an anti-slip groove.

Preferably, one side surface of the heat insulation cotton is in contact with the surface of the pipeline, and the heating plate is not in contact with the pipeline.

Preferably, the thickness of the jacket is three to five millimeters, and the radiating fins are made of metal materials.

Compared with the prior art, the utility model has the beneficial effects that: this heat preservation presss from both sides cover vortex street flowmeter, through setting up the hot plate, the cotton and the mutually supporting that presss from both sides the cover of heat preservation, when the inside fluid temperature of pipeline sharply descends, the hot plate begins to work, and the heat preservation is cotton and presss from both sides the cover and keeps warm to it, has realized keeping warm and the target of heating to the pipeline, has avoided the continuous flow of fluid to produce strong heat dissipation to it and has leaded to the condition emergence of crystallization to appear in the pipeline inner wall, has avoided unable to lead to measuring the condition emergence of failure because of the pipeline inner wall crystallization, and heat insulating ability is better.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a side cross-sectional view of the structure of the present invention.

In the figure: the heat insulation structure comprises a flowmeter head 1, a junction box 2, a connecting rod 3, radiating fins 4, pipelines 5, a flange plate 6, a jacket 7, a hinge 8, a heating plate 9, heat insulation cotton 10, a first fixing plate 11, a second fixing plate 12, a threaded rod 13, a limiting ring 14 and a baffle 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a thermal insulation jacket vortex shedding flowmeter comprises a flowmeter head 1, a junction box 2 is fixedly installed at the top end of the flowmeter head 1, a connecting rod 3 is fixedly installed at the middle part of the bottom surface of the flowmeter head 1, radiating fins 4 are fixedly sleeved on the surface of the connecting rod 3, the radiating fins 4 are made of metal materials and have better heat dissipation performance, pipelines 5 are fixedly installed at the bottom end of the connecting rod 3, flanges 6 are fixedly installed at two ends of each pipeline 5, jackets 7 are sleeved on the surface of each pipeline 5, the number of the jackets 7 is four, every two jackets 7 are in one group, each group of the jackets 7 are hinged through hinges 8, the two groups of the jackets 7 are respectively located at the left side and the right side of the connecting rod 3, the thickness of each jacket 7 is three to five millimeters, each group of the two jackets 7 can better wrap the pipeline 5, the thermal insulation performance is better, and hinges 8 are fixedly installed at the top ends of the jackets 7, the inner wall of the jacket 7 is fixedly provided with a heating plate 9, the inner wall of the jacket 7 is fixedly provided with heat insulation cotton 10, one side surface of the heat insulation cotton 10 is contacted with the surface of the pipeline 5, the heating plate 9 is not contacted with the pipeline 5, the heat insulation cotton 10 and the heating plate 9 are six in number, the heat insulation cotton 10 and the heating plate 9 are installed in a crossed manner, the surface of the pipeline 5 is stable and uniform due to the crossed installation, the bottom end of the jacket 7 is fixedly provided with a first fixing plate 11 and a second fixing plate 12, the right side surface of the second fixing plate 12 is inserted with a threaded rod 13 in a sliding manner, the right end of the threaded rod 13 is fixedly welded and provided with a hand knob, the surface of the hand knob is provided with an anti-skidding groove, the hand skidding is prevented when the hand is twisted, the safety is improved, the use is safer and more convenient, the left end of the threaded rod 13 is in threaded connection with the first fixing plate 11, the surface of the threaded rod 13 is fixedly sleeved and provided with a limiting ring 14, fixed mounting has the fender body 15 between pipeline 5's inner wall top and the bottom, this heat preservation presss from both sides cover vortex street flowmeter, through setting up hot plate 9, the cotton 10 and the mutually supporting of pressing from both sides cover 7 of heat preservation, when 5 inside fluid temperatures of pipeline drop sharply, hot plate 9 begins working, heat preservation cotton 10 keeps warm to it with pressing from both sides cover 7, the target of keeping warm and heating to the pipeline has been realized, avoided the continuous flow of fluid to its condition emergence that produces strong heat dissipation and lead to the pipeline inner wall crystallization to appear, the condition that can not lead to measuring the failure because of the pipeline inner wall crystallization is avoided taking place, the heat insulating ability is better.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When in use: will press from both sides the cover 7 cover on the surface of pipeline 5, then will press from both sides the cover 7 through threaded rod 13 and fix on the surface of pipeline 5 for the cotton 10 that keeps warm hugs closely on the surface of pipeline 5, when the inside fluid temperature of pipeline 5 sharply descends, hot plate 9 begins work, heats pipeline 5, prevents the inside crystallization that produces of pipeline 5, and the cotton 10 cooperation of keeping warm presss from both sides cover 7 and prevents that the temperature from outwards giving off, has realized heating heat retaining process to pipeline 5.

In conclusion, the heat-preservation jacket vortex shedding flowmeter is provided with the heating plate 9, the heat-preservation cotton 10 and the jacket 7 which are matched with each other, when the temperature of fluid in the pipeline 5 drops sharply, the heating plate 9 starts to work, the heat-preservation cotton 10 and the jacket 7 preserve heat of the fluid, the aims of heat preservation and heating of the pipeline are achieved, the situation that the inner wall of the pipeline is crystallized due to the fact that the fluid flows continuously to generate strong heat dissipation on the fluid is avoided, the situation that measurement fails due to crystallization of the inner wall of the pipeline cannot be avoided, the heat preservation performance is better, and the problems in the background technology are solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The heat-preservation jacket vortex shedding flowmeter comprises a flowmeter head (1) and is characterized in that a junction box (2) is fixedly mounted at the top end of the flowmeter head (1), a connecting rod (3) is fixedly mounted in the middle of the bottom surface of the flowmeter head (1), radiating fins (4) are sleeved on the surface of the connecting rod (3), a pipeline (5) is fixedly mounted at the bottom end of the connecting rod (3), flange plates (6) are fixedly mounted at two ends of the pipeline (5), a jacket (7) is sleeved on the surface of the pipeline (5), a hinge (8) is fixedly mounted at the top end of the jacket (7), heating plates (9) are fixedly mounted on the inner wall of the jacket (7), heat-preservation cotton (10) is fixedly mounted on the inner wall of the jacket (7), a first fixing plate (11) and a second fixing plate (12) are fixedly mounted at the bottom end of the jacket (7), the right flank of second fixed plate (12) slides and pegs graft threaded rod (13), and the left end and first fixed plate (11) threaded connection of threaded rod (13), the fixed surface of threaded rod (13) cup joints and installs spacing ring (14), fixed mounting has fender body (15) between the inner wall top of pipeline (5) and the bottom.

2. A thermal jacket vortex shedding flowmeter according to claim 1, wherein the number of the jackets (7) is four, and every two jackets (7) are in one group, and each group of the jackets (7) is hinged by a hinge (8), and the two groups of the jackets (7) are respectively located at the left and right sides of the connecting rod (3).

3. The thermal jacket vortex shedding flowmeter according to claim 1, wherein the number of the thermal insulation cotton (10) and the number of the heating plates (9) are six, and the thermal insulation cotton (10) and the heating plates (9) are installed in a crossed manner.

4. The thermal insulation jacket vortex shedding flowmeter according to claim 1, wherein a hand-held knob is fixedly welded to the right end of the threaded rod (13), and an anti-slip groove is formed in the surface of the hand-held knob.

5. A thermal jacket vortex shedding flowmeter according to claim 3, wherein one side of the thermal cotton (10) is in contact with the surface of the pipe (5), and the heating plate (9) is not in contact with the pipe (5).

6. The insulating jacket vortex shedding flowmeter according to claim 2, wherein the thickness of the jacket (7) is three to five millimeters, and the heat dissipation fins (4) are made of metal.