CN212082493U - Mass flowmeter - Google Patents
Mass flowmeter Download PDFInfo
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- CN212082493U CN212082493U CN202020861838.0U CN202020861838U CN212082493U CN 212082493 U CN212082493 U CN 212082493U CN 202020861838 U CN202020861838 U CN 202020861838U CN 212082493 U CN212082493 U CN 212082493U
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Abstract
The utility model relates to a heavy-calibre mass flowmeter technical field discloses a mass flowmeter. The mass flowmeter comprises a mass flowmeter body, a protective shell, flow tubes and two sets of jacket assemblies, wherein the protective shell is arranged below the mass flowmeter body, the flow tubes are arranged in the protective shell, and the two sets of jacket assemblies are respectively fixed on two sides of the protective shell; the jacket assembly comprises a plurality of jacket square tubes which are fixed on the protective shell and are communicated in series, the jacket square tubes are uniformly distributed on the outer side wall of the protective shell, inner holes of all the jacket square tubes are communicated with each other to form a medium channel, and a heating medium flows through the medium channel to heat the flow tube. The jacket assembly has higher saturated steam pressure resistance, and effectively prevents the square pipe of the jacket from deforming under the impact of a high-temperature and high-pressure heating medium; meanwhile, the heating uniformity of the flow tube is ensured, and the metering precision of the mass flowmeter is improved.
Description
Technical Field
The utility model relates to a heavy-calibre mass flowmeter technical field especially relates to a mass flowmeter.
Background
The mass flowmeter is a novel intelligent instrument for measuring parameters such as mass, density, temperature and the like of fluid flowing through a pipeline based on Coriolis effect. Specifically, the flow tube below the mass flow meter makes simple harmonic vibration (or circular motion), when a fluid medium flows through the measuring tube at a certain speed, the medium makes synchronous vibration (simple harmonic vibration or circular motion) with the flow tube on one hand, and continues to pass through the pipeline at the speed on the other hand, the medium generates a reaction force perpendicular to the flowing direction of the medium, namely Coriolis force, on the pipeline, under the action of the Coriolis force, synchronous vibration at the symmetrical position of the measuring tube is converted into asynchronous vibration under the action of the Coriolis force, the asynchronous vibration is a phase difference in the waveform of a vibration signal, the value of the phase difference is in direct proportion to the mass flow rate of the medium, and the mass flow rate of the medium can be obtained by calculating the phase.
At present, a medium with high viscosity and easy wax deposition normally flows in a mass flowmeter, and the heating and heat preservation need to be carried out on a flow pipe in order to prevent the medium from wax deposition on the flow pipe. In the prior art, a jacket plate is often adopted for heating and heat preservation. However, for a large-caliber mass flowmeter, on one hand, because the medium circulation in the large-caliber mass flowmeter is large, the high requirement is placed on the heat exchange efficiency of the heating medium, and the high-temperature and high-pressure heating medium needs to be used; on the other hand, the area of the jacket plate is large, and a medium flow channel is not arranged in the jacket plate, so that the heating uniformity of the flow tube is difficult to ensure, and the metering precision of the mass flowmeter is further influenced.
Based on this, a need exists for a mass flow meter that solves the above existing problems.
SUMMERY OF THE UTILITY MODEL
Based on the above, the purpose of the utility model is to provide a mass flowmeter, which realizes higher saturated steam pressure resistance of the jacket assembly, and effectively prevents the deformation of the jacket square tube under the impact of high-temperature and high-pressure heating medium; meanwhile, the heating uniformity of the flow tube is ensured, and the metering precision of the mass flowmeter is improved.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a mass flowmeter, includes the mass flowmeter body, and its below sets up the protective housing, be provided with the flow tube in the protective housing, still include:
two groups of jacket components which are respectively fixed on two sides of the protective shell;
the jacket assembly comprises a plurality of jacket square tubes which are fixed on the protective shell and are communicated in series, the jacket square tubes are uniformly distributed on the outer side wall of the protective shell, inner holes of all the jacket square tubes are communicated with each other to form a medium channel, and a heating medium flows through the medium channel to heat the flow tube.
As a preferred technical scheme of the mass flowmeter, the jacket assembly comprises a plurality of jacket square pipes which are horizontally arranged at intervals and two obliquely arranged jacket square pipes, and two ends of each horizontally arranged jacket square pipe are respectively fixed on the two obliquely arranged jacket square pipes.
As a preferred technical scheme of the mass flowmeter, two obliquely arranged jacket square pipes are symmetrically arranged on two sides of the horizontally arranged jacket square pipe.
As a preferred technical scheme of the mass flow meter, the jacket assembly further comprises a first connecting pipe, and the plurality of horizontally arranged jacket square pipes are sequentially communicated with the first connecting pipe from top to bottom.
As a preferred technical scheme of the mass flowmeter, an air inlet of the jacket square tube is a first end, and an air outlet of the jacket square tube is a second end;
one end of the first connecting pipe is connected to the second end of the upstream horizontally arranged jacket square pipe, and the other end of the first connecting pipe is connected to the first end of the downstream horizontally arranged jacket square pipe.
As a preferred technical scheme of the mass flowmeter, two obliquely arranged jacket square pipes are respectively named as a first jacket square pipe and a second jacket square pipe; two sets of jacket assemblies are named as a first set of jacket assemblies and a second set of jacket assemblies respectively;
the first end of the first jacket square pipe of the first group of jacket components is communicated with the second end of the jacket square pipe horizontally arranged at the bottom;
the second ends of the first jacket square tubes of the second set of jacket assemblies are communicated with the first ends of the horizontally arranged jacket square tubes at the bottom, and the first ends of the second jacket square tubes of the second set of jacket assemblies are communicated with the second ends of the horizontally arranged jacket square tubes at the top.
As a preferred technical scheme of the mass flowmeter, the mass flowmeter further comprises a second connecting pipe, and the two sets of jacket assemblies are communicated with each other through the second connecting pipe.
As a preferred technical solution of the mass flowmeter, top ends of the first jacket square tubes of the two jacket assemblies are communicated through the second connecting tube, and bottom ends of the second jacket square tubes of the two jacket assemblies are communicated through the second connecting tube.
As a preferred technical scheme of the mass flowmeter, the outer side of the jacket assembly is coated with an insulation board.
As a preferred technical scheme of the mass flowmeter, the horizontally arranged jacket square pipe is connected with the first connecting pipe in a welding manner; the obliquely arranged jacket square pipe is connected with the second connecting pipe in a welding manner; the jacket square tube is a seamless square steel tube.
The utility model has the advantages that: the two sides of the protective shell are respectively provided with a jacket assembly, the jacket assembly comprises a plurality of jacket square tubes which are fixed on the protective shell and are communicated in series, and a heating medium circulates in a medium channel formed by the jacket square tubes to heat the two sides of the protective shell so as to heat the flow tubes; compared with the jacket plate in the prior art, the jacket square tube has the advantages that the impact surface of the heating medium is smaller, the saturated steam pressure resistance is higher, and the jacket square tube is effectively prevented from deforming under the impact of the high-temperature and high-pressure heating medium; moreover, the square tubes of the jacket are uniformly arranged, the medium channels sequentially flow through the square tubes of the jacket, the heating uniformity of the protective shell of the flow tube is effectively guaranteed, the heating uniformity of the flow tube is further guaranteed, and then the metering accuracy of the mass flowmeter is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic partial structural view of a mass flow meter according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a jacket assembly of a mass flow meter according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mass flowmeter according to an embodiment of the present invention.
The figures are labeled as follows:
100-mass flow meter body; 200-protective shell;
1-a first set of jacket assemblies; 1' -a second set of jacket assemblies; 11-jacket square tube; 111-first jacket square tube; 112-second jacket square tube; 12-a first connection pipe; 2-a second connecting tube; and 3, insulation board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
In the prior art, a jacket plate is often adopted for heating and heat preservation. However, for a large-caliber mass flowmeter, on one hand, because the medium circulation in the large-caliber mass flowmeter is large, the high requirement is placed on the heat exchange efficiency of the heating medium, and the high-temperature and high-pressure heating medium needs to be used; on the other hand, the area of the jacket plate is large, and a medium flow channel is not arranged in the jacket plate, so that the heating uniformity of the flow tube is difficult to ensure, and the metering precision of the mass flowmeter is further influenced.
To solve the above problem, as shown in fig. 1 to 3, the present invention provides a mass flowmeter, which comprises a mass flowmeter body 100, a protective casing 200, a flow tube and two sets of jacket assemblies.
Specifically, the protective case 200 is located below the mass flowmeter body 100, the flow tube is disposed inside the protective case 200, and the two sets of jacket assemblies are respectively fixed to two sides of the protective case 200. Specifically, the jacket assembly comprises a plurality of jacket square tubes 11 which are fixed on the protective shell 200 and are communicated in series, the jacket square tubes 11 are uniformly arranged on the outer side wall of the protective shell 200, inner holes of all the jacket square tubes 11 are communicated with each other to form a medium channel, and a heating medium flows through the medium channel to heat the flow tube.
Compared with the jacket plate in the prior art, the jacket square tube 11 has a smaller impact surface of the heating medium and higher saturated steam pressure resistance, so that the jacket square tube 11 is effectively prevented from deforming under the impact of the high-temperature and high-pressure heating medium; furthermore, the cover side pipe 11 evenly arranges, and the medium passageway flows through in the cover side pipe 11 in proper order, and on the other hand, the cover side pipe 11 concatenation back, forms the medium passageway after the mutual series connection intercommunication of the hole of cover side pipe 11, and the medium passageway evenly arranges in the protective housing 200 outside, and heating medium can circulate in all cover side pipes 11, effectively guarantees the homogeneity of being heated of the protective housing 200 of flow tube, and then guarantees the homogeneity that flow tube is heated, then improves mass flowmeter's measurement accuracy. In this embodiment, the heating medium is high-temperature high-pressure gas, and can carry out the heat transfer to the flow tube fast, prevents wax deposition in the flow tube, improves the heating efficiency to the flow tube.
More specifically, the jacket assembly comprises a plurality of jacket square pipes 11 arranged horizontally and at intervals, two jacket square pipes 11 arranged obliquely, and a first connecting pipe 12. Two ends of the horizontally arranged jacket square pipe 11 are respectively fixed on the two obliquely arranged jacket square pipes 11. The two obliquely arranged jacket square tubes 11 are symmetrically arranged on two sides of the horizontally arranged jacket square tube 11. A plurality of horizontally arranged jacket square tubes 11 are communicated with the first connecting tube 12 in sequence from top to bottom. Specifically, the air inlet of the jacket square pipe 11 is arranged at the first end thereof, and the air outlet of the jacket square pipe 11 is arranged at the second end thereof; wherein, to the jacket side pipe 11 of horizontal setting: the first connecting pipe 12 has one end connected to the second end of the upstream jacket square pipe 11 and the other end connected to the first end of the downstream jacket square pipe 11. The heating medium flows through the entire jacket square pipe 11 to prevent the non-flowing heating medium from existing in the jacket square pipe 11, so that the jacket square pipe 11 can uniformly cool the flow pipe.
Two obliquely arranged jacket square pipes 11 are respectively named as a first jacket square pipe 111 and a second jacket square pipe 112; the two groups of jacket components are respectively named as a first group of jacket components 1 and a second group of jacket components 1'; the first end of a first jacket square pipe 111 of the first group of jacket components 1 is communicated with the second end of a horizontally arranged jacket square pipe 11 at the bottom; the second end of the first jacket square pipe 111 of the second group of jacket assembly 1 'is communicated with the first end of the bottom horizontally arranged jacket square pipe 11, and the first end of the second jacket square pipe 112 of the second group of jacket assembly 1' is communicated with the second end of the top horizontally arranged jacket square pipe 11.
Further preferably, the mass flow meter of the present embodiment further includes a second connecting pipe 2, and the two sets of jacket assemblies are communicated with each other through the second connecting pipe 2. The top ends of the first jacket square tubes 111 of the two sets of jacket assemblies are communicated through the second connecting tube 2, and the bottom ends of the second jacket square tubes 112 of the two sets of jacket assemblies are communicated through the second connecting tube 2. The inlet of the medium channel is positioned on a horizontally arranged jacket square pipe 11 at the top of the first group of jacket components 1; the outlet of the medium channel is located at the top end of the second jacket square tube 112 of the first group of jacket assembly 1, so that the heating medium can flow through all the jacket square tubes 11, and the heating efficiency of the flow tube is improved.
In particular, the specific flow-through method of the heating medium is as follows: as shown in fig. 2, after entering through the inlet of the first set of jacket assembly 1, the heating medium is discharged through the horizontally arranged jacket square pipe 11 and the first jacket square pipe 111 of the first set of jacket assembly 1 in sequence; then the mixture is conveyed into a second group of jacket components 1 'through a second connecting pipe 2 and is discharged through a first jacket square pipe 111, a horizontally arranged jacket square pipe 11 and a second jacket square pipe 112 of the second group of jacket components 1' in sequence; finally, the mixture returns to the second jacket square tube 112 of the first group of jacket assemblies 1 through a second connecting tube 2 and is discharged through an outlet.
Heating medium gets into the medium passageway through the import, circulates the medium passageway of protective housing 200 both sides and then discharges through the export, and simple structure realizes heating the flow tube simultaneously. Preferably, as shown in fig. 3, the heat insulation board 3 is arranged outside the mass flow meter, so as to prevent heat loss of the heating medium, improve the heat utilization rate of the heating medium, and improve the heating efficiency of the flow tube.
More specifically, a horizontally arranged jacket square tube 11 is connected with a first connecting tube 12 in a welding manner; the obliquely arranged jacket square pipe 11 is connected with the second connecting pipe 2 in a welding way; on the one hand, realized pressing from both sides the sealed between cover square tube 11 and the cover pipe, on the other hand, realized pressing from both sides the firm connection between cover square tube 11 and the cover pipe. Further, the jacket square tube 11 and the jacket circular tube are welded and fixed on two sides of the protective shell 200 after being spliced, so that the stability of the mass flow meter is improved.
More specifically, in this embodiment, the jacket square pipe 11 is a seamless square steel pipe having an outer diameter of 100mm in length and 50mm in width, and the wall thickness of the jacket square pipe 11 is 3 mm. In other embodiments, the jacket square tube 11 may have other dimensions.
More specifically, in this embodiment, the jacket circular tube is a seamless circular steel tube, and has an outer diameter of 21.3mm and a wall thickness of 3 mm. In other embodiments, the jacket tube may have other dimensions and materials.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A mass flowmeter, includes mass flowmeter body (100), and its below sets up protective housing (200), be provided with the flow tube in protective housing (200), its characterized in that still includes:
two groups of jacket components are respectively fixed on two sides of the protective shell (200);
the jacket assembly comprises a plurality of jacket square pipes (11) which are fixed on the protective shell (200) and are communicated in series, the jacket square pipes (11) are uniformly distributed on the outer side wall of the protective shell (200), inner holes of all the jacket square pipes (11) are communicated with each other to form a medium channel, and a heating medium flows through the medium channel to heat the flow pipe.
2. The mass flow meter according to claim 1, wherein the jacket assembly comprises a plurality of horizontal jacket square pipes (11) arranged at intervals and two inclined jacket square pipes (11), and two ends of the horizontal jacket square pipes (11) are respectively fixed on the two inclined jacket square pipes (11).
3. The mass flow meter according to claim 2, wherein two obliquely arranged square jacket tubes (11) are symmetrically arranged on both sides of the horizontally arranged square jacket tube (11).
4. The mass flow meter according to claim 2, wherein the jacket assembly further comprises a first connecting pipe (12), and a plurality of horizontally arranged jacket square pipes (11) are sequentially communicated with the first connecting pipe (12) from top to bottom.
5. The mass flow meter according to claim 4, wherein the inlet of the jacket square tube (11) is arranged at a first end and the outlet of the jacket square tube (11) is arranged at a second end;
one end of the first connecting pipe (12) is connected to the second end of the upstream horizontally arranged jacket square pipe (11), and the other end is connected to the first end of the downstream horizontally arranged jacket square pipe (11).
6. A mass flow meter according to claim 4, characterized in that the two obliquely arranged square jacket tubes (11) are respectively named a first square jacket tube (111) and a second square jacket tube (112); the two groups of jacket components are named as a first group of jacket components (1) and a second group of jacket components (1') respectively;
the first end of the first jacket square pipe (111) of the first group of jacket components (1) is communicated with the second end of the horizontally arranged jacket square pipe (11) at the bottom;
the second end of the first jacket square pipe (111) of the second group of jacket components (1 ') is communicated with the first end of the bottom horizontally arranged jacket square pipe (11), and the first end of the second jacket square pipe (112) of the second group of jacket components (1') is communicated with the second end of the top horizontally arranged jacket square pipe (11).
7. A mass flow meter according to claim 6, further comprising a second connecting pipe (2), wherein the two sets of jacket assemblies communicate with each other through the second connecting pipe (2).
8. A mass flow meter according to claim 7, wherein the top ends of the first square jacket tube (111) of the two jacket assemblies communicate through the second connection tube (2), and the bottom ends of the second square jacket tube (112) of the two jacket assemblies communicate through the second connection tube (2).
9. A mass flow meter according to any of claims 1 to 8, wherein the jacket assembly is coated on the outside with a heat insulation plate (3).
10. A mass flow meter according to claim 7, wherein the horizontally arranged square jacket tube (11) is connected with the first connecting tube (12) by welding; the obliquely arranged jacket square pipe (11) is connected with the second connecting pipe (2) in a welding manner; the jacket square pipe (11) is a seamless square steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020861838.0U CN212082493U (en) | 2020-05-21 | 2020-05-21 | Mass flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020861838.0U CN212082493U (en) | 2020-05-21 | 2020-05-21 | Mass flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN212082493U true CN212082493U (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020861838.0U Active CN212082493U (en) | 2020-05-21 | 2020-05-21 | Mass flowmeter |
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| CN (1) | CN212082493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729451A (en) * | 2020-12-22 | 2021-04-30 | 金迈思液压设备（天津）有限公司 | Screw type flowmeter mounting structure with protective action |
-
2020
- 2020-05-21 CN CN202020861838.0U patent/CN212082493U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729451A (en) * | 2020-12-22 | 2021-04-30 | 金迈思液压设备（天津）有限公司 | Screw type flowmeter mounting structure with protective action |
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