CN211904269U

CN211904269U - Turbine flowmeter heat preservation device

Info

Publication number: CN211904269U
Application number: CN202020859817.5U
Authority: CN
Inventors: 璧佃耽; 赵赢
Original assignee: Shanghai Juguan Industrial Automation Equipment Co ltd
Current assignee: Shanghai Juguan Industrial Automation Equipment Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-11-10
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a turbine flowmeter heat preservation device, including the flowmeter body, install the heat preservation device on the flowmeter body outer wall, the heat preservation device includes first thermal insulation subassembly, second thermal insulation subassembly and locking device, install the controller on the outer wall of second thermal insulation subassembly, first thermal insulation subassembly includes arc heat preservation shell, install the buffer layer on the inner wall of heat preservation shell, install the insulating layer on the outer wall of heat preservation shell, the buffer layer with the flowmeter body is laminated mutually, thin-film solar cell is installed in the insulating layer outside, install a plurality of insulating tubes in the heat preservation shell, be equipped with the heater strip in the insulating tube, install temperature sensor on the outer wall of flowmeter body. The utility model discloses quick detachable, with low costs, energy-concerving and environment-protective, the heat preservation effect is showing, prevents the medium crystallization for flowmeter measurement data is inaccurate.

Description

Turbine flowmeter heat preservation device

Technical Field

The utility model relates to a turbine flowmeter heat preservation device belongs to flowmeter heat preservation technical field.

Background

The flow measurement is one of the components of the measurement science and technology, and has close relation with national economy, national defense construction and scientific research. The work is well done, the flowmeter has important effects on ensuring the product quality, improving the production efficiency and promoting the development of scientific technology, and particularly has more obvious status and effect in national economy in the current times that the energy crisis and the industrial production automation degree are higher and higher. The turbine flowmeter is one of the flowmeters, and the turbine flowmeter is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media, such as gas, liquid, steam and the like.

In the process of conveying the gas which is easy to crystallize in the metallurgical and chemical industries, thick and irregular crystals are condensed on the wall of a conveying pipe, and the gas media need to be metered, settled and cost-checked; the flow field is inevitably damaged by the crystallization of the pipe wall, and the flow detection is inaccurate due to the change of the calculation condition of the original flowmeter, so the cost calculation is inaccurate and the metering error is inaccurate.

In order to prevent the medium from crystallizing due to the influence of low temperature in the conveying process, the outer wall of the conveying pipeline is usually subjected to heat preservation measures of winding heat insulation materials, however, the measures have poor heat preservation effect, the heat preservation device is inconvenient to disassemble, the medium is easy to crystallize in the conveying process, the service life of the conveying pipeline is directly influenced, and the use efficiency of equipment is reduced; meanwhile, the wrapped heat insulation material has short service life and needs to be replaced regularly, and the later maintenance cost of a user is increased, so that the cost is high, and the working efficiency is low.

Accordingly, those skilled in the art have sought to design a turbine flow meter insulation.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a turbine flowmeter thermal insulation device, which solves the above mentioned problems in the background art.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a turbine flowmeter heat preservation device, includes the flowmeter body, install the heat preservation device on the flowmeter body outer wall, the heat preservation device includes first heat preservation subassembly, second heat preservation subassembly and locking device, install the controller on the outer wall of second heat preservation subassembly, first heat preservation subassembly includes arc heat preservation shell, install the buffer layer on the inner wall of heat preservation shell, install the insulating layer on the outer wall of heat preservation shell, the buffer layer with the flowmeter body is laminated mutually, thin-film solar cell is installed in the insulating layer outside, install a plurality of insulating tubes in the heat preservation shell, be equipped with the heater strip in the insulating tube, install temperature sensor on the outer wall of flowmeter body.

Preferably, locking device includes first connecting block, second connecting block and locking Assembly, first connecting block is fixed the both sides of first heat preservation subassembly heat preservation shell, the second connecting block is fixed the both sides of second heat preservation subassembly heat preservation shell, first connecting block with the second connecting block passes through locking Assembly swing joint.

Preferably, a through hole is formed in the first connecting block, a guide hole is formed in the top of the second connecting block along the direction perpendicular to the flowmeter body, and a telescopic spring is installed at the bottom in the guide hole.

Preferably, an annular groove is formed in the inner wall of the guide hole, and two sliding grooves are symmetrically formed in the inner wall of the guide hole along the direction of the guide hole.

Preferably, the locking component comprises a knob, a connecting rod is installed at the bottom of the knob, limiting rods are symmetrically installed on two sides of the connecting rod, a pressing plate with a circular cross section is installed at the bottom of the connecting rod, and the pressing plate is located right above the telescopic spring.

Preferably, the first heat preservation assembly and the second heat preservation assembly are identical in structure, and a sealing strip is installed at the joint of the first heat preservation assembly and the second heat preservation assembly.

Preferably, the heat preservation shell is a stainless steel heat preservation shell.

The utility model has the advantages of:

1. the utility model discloses eliminated the crystallization phenomenon of required straight tube section within range of flowmeter itself, guaranteed that the flow field is stable to satisfy the required condition of flowmeter detection, provide prerequisite for guaranteeing accurate detection, measurement, cost accounting etc..

2. The utility model discloses thin-film solar cell is used in the protection device outside, fully absorbs more solar energy, ensures to provide more electric energy for the heater strip, and is with low costs, energy-concerving and environment-protective, advantages such as the heat preservation effect is showing.

3. The utility model discloses the heat preservation shell adopts the high strength heat transfer material stainless steel to make, has strengthened the corrosion-resistant and resistant striking strength of flowmeter body to improve flowmeter's life.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a cross-sectional view of the locking device of the present invention;

fig. 4 is a schematic diagram of a second connecting block structure according to the present invention.

In the figure: the heat insulation structure comprises a flowmeter body, 2 insulating pipes, 3 locking devices, 4 controllers, 5 first connecting blocks, 6 second connecting blocks, 7 sealing strips, 8 first heat insulation assemblies, 9 second heat insulation assemblies, 10 temperature sensors, 11 thin-film solar cells, 12 heat insulation shells, 13 heating wires, 14 pressing plates, 15 connecting rods, 16 knobs, 17 limiting rods, 18 annular grooves, 19 expansion springs, 20 sliding grooves, 21 guide holes, 22 buffer layers and 23 heat insulation layers.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-4, the thermal insulation device for the turbine flowmeter, which is provided by the embodiment of the invention, comprises a flowmeter body 1, a thermal insulation device is installed on the outer wall of the flowmeter body 1, the thermal insulation device comprises a first thermal insulation component 8, a second thermal insulation component 9 and a locking device 3, a controller 4 is installed on the outer wall of the second thermal insulation component 9, the first thermal insulation component 8 comprises an arc-shaped thermal insulation shell 12, a buffer layer 22 is installed on the inner wall of the thermal insulation shell 12, a thermal insulation layer 23 is installed on the outer wall of the thermal insulation shell 12, the buffer layer 22 is attached to the flowmeter body 1, a thin-film solar cell 11 is installed outside the thermal insulation layer 23, a plurality of insulation pipes 2 are installed in the thermal insulation shell 12, heating wires 13 are arranged in the insulation pipes.

The heat preservation device is fixed on the flowmeter body 1 through the locking device 3, the device adopts a green energy source-thin film solar cell 11 to be laid on the outer side of the heat preservation shell 12, more solar energy is sufficiently absorbed and supplies power to the controller 4 and the heating wire 13 after being converted into electric energy, the temperature sensor 10 feeds the temperature back to the controller 4 in real time, when the temperature of a pipeline is lower than a certain value, the controller 4 controls the heating wire 13 to start working, the insulating pipe 2 made of ceramic materials is wrapped outside the heating wire 13, the heating work is ensured to be safe and reliable, the heat preservation shell 12 is made of high-strength heat transfer materials, the strength of the flowmeter is enhanced, the heat can be rapidly transferred to the flowmeter body 1, the arrangement of the heat insulation layer 23 is added, the heat loss of the heat preservation shell 12 is reduced, the resources are saved, the heat preservation effect is improved, the pressure damage of the heat preservation device to the flowmeter body 1 can be reduced, in the embodiment, the model of the controller 4 is SPC-STW-26A, and the model of the temperature sensor 10 is PT 100.

In this embodiment, locking device 3 includes first connecting block 5, second connecting block 6 and locking Assembly, and first connecting block 5 is fixed in the both sides of 8 heat preservation shells 12 of first heat preservation subassembly, and second connecting block 6 is fixed in the both sides of 9 heat preservation shells 12 of second heat preservation subassembly, and first connecting block 5 and second connecting block 6 pass through locking Assembly swing joint.

In this embodiment, a through hole has been seted up on first connecting block 5, guiding hole 21 has been seted up along the direction of perpendicular to flowmeter body 1 at 6 tops of second connecting block, annular groove 18 has been seted up on the guiding hole 21 inner wall, two spouts 20 have been seted up along guiding hole 21 direction symmetry on the guiding hole 21 inner wall, expanding spring 19 is installed to the bottom in the guiding hole 21, locking Assembly includes knob 16, connecting rod 15 is installed to knob 16's bottom, gag lever post 17 is installed to connecting rod 15 both sides symmetry, circular cross section's clamp plate 14 is installed to connecting rod 15's bottom, clamp plate 14 is located expanding spring 19 directly over.

The connecting rod 15 of the locking assembly penetrates through a through hole in the first connecting block 5 and extends into a guide hole 21 in the second connecting block 6, two limiting rods 17 are aligned to two sliding grooves 20 in the guide hole 21, the knob 16 is pressed, the connecting rod 15 presses the pressing block to move downwards along the guide hole 21, when the limiting rods 17 move downwards to annular grooves 18 in the guide hole 21, the knob 16 is rotated, the limiting rods 17 are clamped in the annular grooves 18, the first heat-insulating assembly 8 and the second heat-insulating assembly 9 are locked, when maintenance is needed, the knob 16 is rotated, the limiting rods 17 are adjusted into the sliding grooves 20, the locking assembly is bounced under the reaction of the telescopic spring 19, and the heat-insulating device can be detached.

In this embodiment, the first thermal insulation assembly 8 and the second thermal insulation assembly 9 have the same structure, and the sealing strip 7 is installed at the joint of the first thermal insulation assembly 8 and the second thermal insulation assembly 9.

The sealing strip 7 is arranged, so that the sealing performance between the first heat-insulating component 8 and the second heat-insulating component 9 is improved, and the heat-insulating effect is improved.

In this embodiment, the thermal insulation shell 12 is made of stainless steel.

The heat preservation shell 12 is high strength heat transfer stainless steel material, can be quick give flowmeter body 1 with heat transfer, keeps warm to this internal medium, prevents the crystallization.

The utility model discloses a theory of operation is: installing a first heat preservation component 8 and a second heat preservation component 9 on a flowmeter body 1, enabling a connecting rod 15 of a locking component to penetrate through a through hole on a first connecting block 5 and extend into a guide hole 21 on a second connecting block 6, aligning two limiting rods 17 with two sliding grooves 20 in the guide hole 21, pressing a knob 16, enabling the connecting rod 15 to press a pressing block to move downwards along the guide hole 21, rotating the knob 16 when the limiting rods 17 move downwards to a circular groove 18 in the guide hole 21, clamping the limiting rods 17 in the circular groove 18, locking the first heat preservation component 8 and the second heat preservation component 9, fully absorbing more solar energy by adopting a green energy source-thin-film solar cell 11 on the outer layer of a heat preservation device, supplying power to a controller 4 and a heating wire 13 after converting the solar energy into the electric energy, and feeding the temperature back to the controller 4 by a temperature sensor 10 in real time when the temperature of a pipeline is lower than a certain value, the controller 4 controls the heating wire 13 to start working, the stainless steel heat preservation shell 12 arranged outside the heating wire 13 quickly transmits heat to the flowmeter body 1, flowing media are subjected to heating treatment, the heat preservation layer 23 is arranged, heat loss is reduced, and the media are prevented from being crystallized in the transmission process.

Above, only the further embodiments of the present invention are shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a turbine flowmeter heat preservation device, includes flowmeter body (1), install heat preservation device, its characterized in that on flowmeter body (1) outer wall: the heat preservation device comprises a first heat preservation assembly (8), a second heat preservation assembly (9) and a locking device (3), a controller (4) is installed on the outer wall of the second heat preservation assembly (9), the first heat preservation assembly (8) comprises an arc-shaped heat preservation shell (12), a buffer layer (22) is installed on the inner wall of the heat preservation shell (12), a heat insulation layer (23) is installed on the outer wall of the heat preservation shell (12), the buffer layer (22) is attached to the flowmeter body (1), a thin-film solar cell (11) is installed on the outer side of the heat insulation layer (23), a plurality of insulation pipes (2) are installed in the heat preservation shell (12), heating wires (13) are arranged in the insulation pipes (2), and a temperature sensor (10) is installed on the outer wall of the flowmeter body (1).

2. The turbine flow meter heat preservation device of claim 1, wherein: locking device (3) include first connecting block (5), second connecting block (6) and locking Assembly, first connecting block (5) are fixed the both sides of first heat preservation subassembly (8) heat preservation shell (12), second connecting block (6) are fixed the both sides of second heat preservation subassembly (9) heat preservation shell (12), first connecting block (5) with second connecting block (6) pass through locking Assembly swing joint.

3. The turbine flow meter heat preservation device of claim 2, wherein: the through hole has been seted up on first connecting block (5), guiding hole (21) have been seted up along the direction of perpendicular to flowmeter body (1) in second connecting block (6) top, expanding spring (19) are installed to the bottom in guiding hole (21).

4. A turbine flow meter temperature maintenance device according to claim 3, wherein: an annular groove (18) is formed in the inner wall of the guide hole (21), and two sliding grooves (20) are symmetrically formed in the inner wall of the guide hole (21) along the direction of the guide hole (21).

5. A turbine flow meter temperature maintenance device according to claim 3, wherein: locking Assembly includes knob (16), connecting rod (15) are installed to the bottom of knob (16), gag lever post (17) are installed to connecting rod (15) bilateral symmetry, circular cross-section's clamp plate (14) are installed to the bottom of connecting rod (15), clamp plate (14) are located directly over expanding spring (19).

6. The turbine flow meter heat preservation device of claim 1, wherein: the first heat preservation assembly (8) and the second heat preservation assembly (9) are identical in structure, and the sealing strip (7) is installed at the joint of the first heat preservation assembly (8) and the second heat preservation assembly (9).

7. The turbine flow meter heat preservation device of claim 1, wherein: the heat preservation shell (12) is a stainless steel heat preservation shell (12).