Heat tracing equipment of mass flow meter

Abstract

The utility model discloses heat tracing equipment of a mass flow meter, and relates to the field of mass flow meter related equipment. Comprising pipe sets and a shell, the pipe sets are symmetrically arranged on the two sides of the mass flow meter, an inlet and an outlet are formed in the two ends of each pipe set respectively, and the inlets and the outlets are externally connected with heat tracing medium circulating mechanisms respectively; the opening sides of the shells face the mass flow meter, the two shells are fixedly connected to the sides, away from the mass flow meter, of the pipe sets correspondingly, and the opening sides of the two shells can be fixedly connected. The heat tracing device of the mass flow meter is simple in structure, convenient to disassemble and assemble and high in heat efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to mass flowmeter related equipment technical field, especially a kind of mass flowmeter's heat tracing equipment. BACKGROUND

[0002] Mass flowmeter is the instrument based on Coriolis effect measurement fluid medium of flowing through pipeline parameter such as mass, density, temperature etc..For high-temperature medium or medium with higher viscosity, certain temperature needs to be maintained to ensure the fluidity of medium.For low-temperature medium, mass flowmeter also needs to be insulated.Therfore, mass flowmeter needs to have heat tracing or insulation function to ensure the normal flow of medium and the accurate measurement of flowmeter.At present, the conventional way when mass flowmeter works is to wrap the pipeline of mass flowmeter and instrument with insulation material, or to directly cover and wrap heating material on instrument, for entire pipeline, it is bulky and not easy to disassemble, and heat efficiency is low.Therefore, it is urgent to design a kind of mass flowmeter heat tracing equipment with simple structure, easy to disassemble and high heat efficiency. SUMMARY

[0003] The utility model aims at providing a kind of mass flowmeter's heat tracing equipment to solve the problems existing in the prior art, with simple structure, easy to disassemble and high heat efficiency.

[0004] To achieve the above object, the utility model provides the following scheme:

[0005] The utility model provides a kind of mass flowmeter's heat tracing equipment, comprising:

[0006] Pipe group, symmetry is located in mass flowmeter both sides, and the inlet and outlet are respectively connected with heat tracing medium circulation mechanism outside the inlet and outlet of two ends of pipe group;

[0007] Shell, its opening side is towards mass flowmeter, and two shell are respectively fixedly connected on the side of pipe group away from mass flowmeter, and the opening side of two shell can be fixedly connected.

[0008] Preferably, mass flowmeter both sides are respectively equipped with one pipe group;The pipe group includes horizontal pipe arranged in upper and lower, and two horizontal pipes located in the same side are communicated by multiple vertical pipes, one end of horizontal pipe located in upper is connected with first connecting pipe, one end of horizontal pipe located in lower away from first connecting pipe is connected with second connecting pipe, the end of first connecting pipe is the inlet, and the end of second connecting pipe is the outlet, and the end of first connecting pipe and second connecting pipe is respectively penetrated through the shell of corresponding side, and is connected with heat tracing medium circulation mechanism outside.

[0009] Preferably, one end of the transverse pipe is fixedly sealed by a pipe plug, and the other end is fixedly provided with an elbow, and the elbow away from the one end of the transverse pipe is fixedly and sealingly connected with the first connecting pipe or the second connecting pipe.

[0010] Preferably, the first connecting pipe is fixedly connected with a joint or a flange at the end thereof, and the second connecting pipe is fixedly connected with a joint or a flange at the end thereof; and the joint or the flange is connected with the heat medium circulating mechanism.

[0011] Preferably, the heat medium circulating mechanism comprises a medium tank and a circulating pump, the medium tank is provided with an electric heating wire therein, and the medium tank is connected with the inlet and the outlet by pipelines respectively, and the pipeline is provided with the circulating pump.

[0012] Preferably, the mass flowmeter is provided with one pipe group on each side thereof; the pipe group comprises transverse pipes arranged in an upper and lower mode, and the two transverse pipes on the same side are communicated by a plurality of vertical pipes; one end of each of the two transverse pipes arranged on the upper part of the mass flowmeter is fixedly sealed by a pipe plug, and the other end is fixedly communicated by a first arc-shaped connecting pipe, and the first arc-shaped connecting pipe is connected with the first connecting pipe outside; one end of each of the two transverse pipes arranged on the lower part of the mass flowmeter is fixedly sealed by a pipe plug, and the other end is fixedly communicated by a second arc-shaped connecting pipe, and the second arc-shaped connecting pipe is connected with the second connecting pipe outside; the end of the first connecting pipe is the inlet, the end of the second connecting pipe is the outlet, and the ends of the first connecting pipe and the second connecting pipe penetrate through the shell and are connected with the heat medium circulating mechanism outside.

[0013] Preferably, the transverse pipe is a hollow square pipe or a hollow circular pipe.

[0014] Preferably, the vertical pipe is a hollow square pipe or a hollow circular pipe, and the two ends of the vertical pipe are fixedly connected with the side walls of the corresponding transverse pipes by welding, brazing, screwing or gluing.

[0015] Preferably, the transverse pipe and the vertical pipe are made of stainless steel, carbon steel, copper or aluminum alloy.

[0016] Preferably, the transverse pipe and the vertical pipe are attached to the side wall of the mass flowmeter, and the end of the side wall of the opening of the shell is provided with a smooth arc-shaped notch, and the outer side wall of the measuring pipeline of the mass flowmeter is clamped in the corresponding arc-shaped notch.

[0017] Compared with the prior art, the utility model discloses the following technical effects:

[0018] The utility model discloses adopt two horizontal pipes and multiple vertical pipes fixed connection as the pipe group of internal communication, fix one end of pipe group in the inside of shell to heat tracing equipment structure diagram for the quality flowmeter of one or some embodiments of the utility model, and two shells butt joint on both sides of mass flowmeter, can realize the arrangement pipe group on both sides of mass flowmeter, and the heating of medium in the measuring pipeline of mass flowmeter can be realized by the heat tracing medium that is passed into in pipe group, and the whole structure is simple, and through two shells and the pipe group structure of matching, convenient to dismount. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed in the embodiment, obviously, the drawing in the following description only is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0020] Figure 1 It is heat tracing equipment structure schematic diagram for the quality flowmeter of one or some embodiments of the utility model,

[0021] Figure 2 It is the schematic diagram of heat tracing equipment after removing the shell for the quality flowmeter of one or some embodiments of the utility model,

[0022] Figure 3 It is the structure schematic diagram of the horizontal pipe of heat tracing equipment for the quality flowmeter of one or some embodiments of the utility model adopts hollow square tube,

[0023] Figure 4 It is the structure schematic diagram of pipe group after removing elbow for the heat tracing equipment of quality flowmeter of one or some embodiments of the utility model,

[0024] Figure 5 It is the structure schematic diagram of pipe group for the heat tracing equipment of quality flowmeter of one or some embodiments of the utility model adopts hollow round tube,

[0025] Figure 6 It is the structure schematic diagram of two pipe groups of heat tracing equipment for the quality flowmeter of one or some embodiments of the utility model share an outlet and inlet.

[0026] In the drawing: 1-shell, 101-arc notch, 2-pipe group, 201-horizontal pipe, 202-vertical pipe, 3-pipe plug, 4-first connecting pipe, 5-second connecting pipe, 6-flange, 7-joint, 8-elbow, 9-first arc connecting pipe, 10-second arc connecting pipe, 11-mass flowmeter. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] The utility model discloses a kind of heat tracing equipment of mass flowmeter, to solve the problems existing in the prior art above, simple structure, convenient to disassemble and assemble, and high thermal efficiency.

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0030] The existing mass flowmeter heat tracing structure is wrapped with thermal insulation material outside the mass flowmeter, or the coil is wound outside the mass flowmeter, the structure is complex, not easy to disassemble and assemble, and the existing heat tracing structure is limited by the shape of the mass flowmeter instrument and the coil structure, and the heat tracing area can only be below the flow divider and sleeve, and the thermal efficiency is low. In order to solve the problems in the prior art, the utility model provides a kind of heat tracing equipment of mass flowmeter, as shown in Figure 1 、 Figure 2 As shown, it includes two pipe groups 2 and two housings 1, two pipe groups 2 are symmetrical on both sides of mass flowmeter 11, and the two ends of pipe group 2 are respectively provided with an inlet and an outlet, and the inlet and the outlet are respectively connected with a heat tracing medium circulating mechanism; the housing 1 adopts a rectangular shell structure, one side of which is open, and the open side of the housing 1 faces the mass flowmeter 11, and the two housings 1 are respectively fixedly connected to one side of the pipe group 2 away from the mass flowmeter 11, and the side wall of the open side of the housing 1 is provided with a smooth arc-shaped notch 101 at the end, and the outer side wall of the measuring pipe of the mass flowmeter 11 is clamped at the corresponding arc-shaped notch 101, so that the two housings 1 will not interfere with the normal use of the mass flowmeter 11 after abutting; and the open side of the two housings 1 can be fixedly connected by welding, riveting or bolt connection, and one pipe group 2 is fixed in each housing 1, so that one pipe group 2 can be arranged on both sides of the mass flowmeter 11 by abutting the two housings 1 on both sides of the mass flowmeter 11, and the rectangular frame structure side wall of the pipe group 2 has a large area of adhesion with the mass flowmeter 11, and the heat tracing medium in the pipe group 2 can heat the mass flowmeter 11; the heat tracing medium of the embodiment is water.

[0031] In order to make the pipe group 2 structure of the utility model more simple, and more easily adjust according to the need, so in an embodiment, the pipe group 2 structure is designed to include the horizontal pipe 201 arranged up and down, the two horizontal pipes 201 on the same side are communicated through multiple vertical pipes 202, by adjusting the length of the horizontal pipe 201 and the number of the vertical pipe 202, the different design of the overall length of the pipe group 2 can be realized, the length of the vertical pipe 202 can be selected to realize the design of different heights of the pipe group 2, so that the utility model can be suitable for the heat tracing of the mass flowmeter 11 of different sizes. The upper horizontal pipe 201 is connected with the first connecting pipe 4 at one end, the lower horizontal pipe 201 is connected with the second connecting pipe 5 at the end away from the first connecting pipe 4, the end of the first connecting pipe 4 is the inlet, the end of the second connecting pipe 5 is the outlet, the ends of the first connecting pipe 4 and the second connecting pipe 5 respectively penetrate the corresponding side of the shell 1, and the heat tracing medium circulation mechanism is connected outside through the joint 7 or the flange 6, when the flange 6 is used, the flange 6 is fixed on the outside of the shell 1, which is convenient for connecting the heat tracing medium circulation mechanism outside.

[0032] The specific structure of the heat medium circulation mechanism is not limited, and in the embodiment, a medium tank and a circulating pump are used, the medium tank is provided with an electric heating wire, the electric heating wire can heat the heat tracing medium, such as water, contained in the medium tank, the medium tank is connected with the inlet and the outlet through pipelines, and a circulating pump is arranged on the pipeline, so that the circulating flow of the heat tracing medium can be realized.

[0033] As shown in Figure 3 , Figure 4 , in an embodiment, the horizontal pipe 201 is a hollow square tube or a hollow square long tube, which is convenient for punching, one end of the horizontal pipe 201 is fixed and sealed through the pipe plug 3, and the other end is fixedly provided with an elbow 8, the pipe plug 3 can be replaced by a pipe clamp, a pipe cap, a pair of wires and other standard parts, so that the closure of one end of the horizontal pipe 201 can be realized. The elbow 8 can realize the switching of the flow direction of the heat tracing medium, and the end of the elbow 8 away from the horizontal pipe 201 is fixedly and sealingly connected with the first connecting pipe 4 or the second connecting pipe 5. In another embodiment, the elbow 8 can not be used, both ends of the horizontal pipe 201 are sealed by the pipe plug 3, and the first connecting pipe 4 or the second connecting pipe 5 is connected by punching at one end of the horizontal pipe 201. By adjusting the length and number of the horizontal pipe 201 and the vertical pipe 202 and the center distance between the two horizontal pipes 201 and the adjacent two vertical pipes 202, the size of the structure of the utility model can be changed to be suitable for mass flowmeters 11 of different sizes. In the embodiment, the pipe group 2 is distributed on both sides of the mass flowmeter 11, and the two pipe groups 2 have separate inlets and outlets of the heat tracing medium, so that the inlets and outlets can be selected according to the types of the heat tracing medium.

[0034] As shown in Figure 5 , in another embodiment, the horizontal pipe 201 or the vertical pipe 202 can be replaced by a round pipe, which is pressure-resistant; the elbow 8 is a standard part, which can realize the switching of the flow direction of the heat tracing medium.

[0035] In addition to the structure described above, the two pipe groups 2 distributed on both sides of the mass flow meter 11 can also adopt a unified inlet and outlet; as shown in the figure Figure 6 In this embodiment, one end of the two horizontal pipes 201 located on both sides of the upper part of the mass flow meter 11 is fixed and sealed by the pipe plug 3, and the other end is fixed and communicated by the first arc-shaped connecting pipe 9, and the outer side of the first arc-shaped connecting pipe 9 is connected with the first connecting pipe 4; one end of the two horizontal pipes 201 located on both sides of the lower part of the mass flow meter 11 is fixed and sealed by the pipe plug 3, and the other end is fixed and communicated by the second arc-shaped connecting pipe 10, and the outer side of the second arc-shaped connecting pipe 10 is connected with the second connecting pipe 5; the end of the first connecting pipe 4 is the inlet, and the end of the second connecting pipe 5 is the outlet, and the ends of the first connecting pipe 4 and the second connecting pipe 5 respectively penetrate through the shell 1, and are externally connected with the heat tracing medium circulating mechanism.

[0036] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, for the general skilled in the art, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A heat tracing device for a mass flow meter, characterized in that: include: A pipe assembly is symmetrically arranged on both sides of the mass flow meter. The pipe assembly has an inlet and an outlet at each end, and the inlet and outlet are respectively connected to a heat tracing medium circulation mechanism. The housing has its opening side facing the mass flow meter. The two housings are respectively fixedly connected to the side of the pipe assembly away from the mass flow meter, and the opening sides of the two housings can be fixedly connected.

2. The heat tracing device for the mass flow meter according to claim 1, characterized in that: Each side of the mass flow meter is provided with a pipe assembly; the pipe assembly includes horizontal pipes arranged vertically, and two horizontal pipes on the same side are connected by multiple vertical pipes. One end of the upper horizontal pipe is connected to a first connecting pipe, and the end of the lower horizontal pipe away from the first connecting pipe is connected to a second connecting pipe. The end of the first connecting pipe is the inlet, and the end of the second connecting pipe is the outlet. The ends of the first connecting pipe and the second connecting pipe respectively penetrate the outer shell on the corresponding side and are externally connected to a heat tracing medium circulation mechanism.

3. The heat tracing device for the mass flow meter according to claim 2, characterized in that: One end of the horizontal pipe is fixed and sealed by a pipe plug, and the other end is fixedly provided with an elbow. The end of the elbow away from the horizontal pipe is fixedly and sealed to the first connecting pipe or the second connecting pipe.

4. The heat tracing device for the mass flow meter according to claim 2, characterized in that: The first connecting pipe is fixedly connected to a joint or flange at its end, and the second connecting pipe is fixedly connected to a joint or flange at its end; the joint or flange is connected to the heat medium circulation mechanism.

5. The heat tracing device for the mass flow meter according to claim 1, characterized in that: The heat medium circulation mechanism includes a medium tank and a circulation pump. The medium tank is equipped with an electric heating wire. The medium tank is connected to the inlet and outlet through pipelines, and the circulation pump is installed on the pipelines.

6. The heat tracing device for the mass flow meter according to claim 1, characterized in that: Each side of the mass flow meter is provided with a pipe assembly; the pipe assembly includes horizontal pipes arranged vertically, and two horizontal pipes on the same side are connected by multiple vertical pipes; one end of the two horizontal pipes located on the upper sides of the mass flow meter is fixed and sealed by pipe plugs, and the other end is fixedly connected by a first arc-shaped connecting pipe, and a first connecting pipe is connected to the outside of the first arc-shaped connecting pipe; one end of the two horizontal pipes located on the lower sides of the mass flow meter is fixed and sealed by pipe plugs, and the other end is fixedly connected by a second arc-shaped connecting pipe, and a second connecting pipe is connected to the outside of the second arc-shaped connecting pipe; the end of the first connecting pipe is the inlet, and the end of the second connecting pipe is the outlet. The ends of the first connecting pipe and the second connecting pipe respectively penetrate the outer shell and are connected to a heat tracing medium circulation mechanism.

7. The heat tracing device for the mass flow meter according to claim 2 or 6, characterized in that: The horizontal tube is a hollow square tube or a hollow round tube.

8. The heat tracing device for the mass flow meter according to claim 2 or 6, characterized in that: The vertical tube is a hollow square tube or a hollow round tube, and both ends of the vertical tube are fixed to the corresponding sidewalls of the horizontal tube by welding, brazing, threading, or adhesive bonding.

9. The heat tracing device for the mass flow meter according to claim 2 or 6, characterized in that: The horizontal and vertical tubes are made of stainless steel, carbon steel, copper, or aluminum alloy.

10. The heat tracing device for the mass flow meter according to claim 2 or 6, characterized in that: Both the horizontal and vertical sides of the tube are fitted to the side wall of the mass flow meter; a smooth arc-shaped notch is provided at the end of the side wall of the opening side of the outer casing, and the outer side wall of the measuring pipe of the mass flow meter is engaged with the corresponding arc-shaped notch.

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