CN211740310U - Mass flow meter for low-temperature easily-crystallized materials - Google Patents

Abstract

The utility model discloses a mass flow meter for low-temperature and easy-to-crystallize materials, comprising a mass flow meter body, the mass flow meter body comprising a first connection end and a second connection end, the first connection end and the second connection end The connection ends are fixedly connected to the pipe body through flange joints, the inner wall of the fixed pipe corresponding to one end of the heating pipe is fixedly connected with a steel wire fine filter screen layer, and a battery is fixedly installed on the mass flow meter body. The device is convenient for heating and melting the easy-to-crystallize materials in the fixed tube, ensuring its fluid state to avoid clogging, and then effectively blocking the unmelted crystal particles through the fine wire mesh layer, prolonging the heating time in the fixed tube, making the heating The effect is more sufficient, the blocking phenomenon of crystal particles on the mass flowmeter body is more effectively avoided, and the detection accuracy of the mass flowmeter body is further improved.

Description

A mass flow meter for low-temperature and easy-to-crystallize materials

technical field

The utility model belongs to the technical field of mass flow meters, in particular to a mass flow meter used for materials that are easy to crystallize at low temperature.

Background technique

The mass flowmeter adopts sensible heat measurement, and the flow rate is measured by the molecular mass carried away by the split molecules. The mass flowmeter is a relatively accurate, fast, reliable, efficient, stable and flexible flow measurement instrument. , chemical and other fields will be more widely used. In a low temperature environment, for example, materials such as liquid dichloropinacol are easy to form crystals during the packaging process. At this time, it is easy to block the interior of the mass flowmeter, thereby affecting its detection accuracy and efficiency. Improve.

Utility model content

The purpose of the present invention is to provide a mass flow meter for low-temperature and easy-to-crystallize materials, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a mass flow meter for low-temperature easy-to-crystallize materials, comprising a mass flow meter body, and the mass flow meter body includes a first connection end and a second connection end, so Both the first connection end and the second connection end are fixedly connected with the pipe body through a flange joint, a fixed pipe is threadedly connected to the port of the second connection end, and the fixed pipe is tightly inserted into the interior of the pipe body, and the A heating pipe is fixedly installed on the inner wall of the fixed pipe, a wire fine filter screen layer is fixedly connected to the inner wall of the fixed pipe corresponding to one end of the heating pipe, and a battery is fixedly installed on the mass flow meter body.

Preferably, sealant pads are fixedly connected to the inner side of the flange joints, the sealant pads are closely attached, and the corresponding flange joints are fixedly connected by fastening bolts.

This arrangement effectively improves the stability of the connection structure between the mass flow meter body and the pipeline body, and is convenient for disassembly and assembly, and has good sealing performance.

Preferably, a lead wire is fixedly connected to the heating pipe, the lead wire runs through the pipe body, and the lead wire is electrically connected to the battery.

This setting is convenient for energizing the heating tube for heating work, so as to facilitate heating and melting of the crystallization-prone material in the fixed tube, ensuring its fluid state to avoid blockage, and thus helping to ensure the detection accuracy and efficiency of the mass flow meter body.

Preferably, the fine steel wire filter layer is arranged in a circular structure, and a positioning ring is integrally and fixedly connected to the side wall of the steel wire fine filter layer, and the inner wall of the port of the fixed pipe is provided with a threaded groove, so The thread groove is matched and connected with the positioning ring.

This setting tightens and fixes the steel wire fine screen layer in the fixed pipe through the positioning ring, which effectively improves the stability of the connection structure between the steel wire fine screen layer and the fixed pipe, and makes the steel wire fine screen layer easy to disassemble and assemble. It is flexible, so that the unmelted crystal particles can be effectively blocked by the fine wire mesh layer, and the heating time in the fixed tube is prolonged, so that the heating effect is more sufficient, and the crystal particles are more effectively avoided. The blocking phenomenon of the body further improves the detection accuracy of the mass flow meter body.

Preferably, a strut is fixedly connected to the outer middle of the steel wire fine screen layer.

This arrangement facilitates the rotation of the wire fine filter screen layer by holding the support rod, so as to facilitate twisting of the positioning ring and facilitate the disassembly, cleaning and replacement of the steel wire fine screen layer.

Preferably, a diversion cavity is provided between the first connection end, the second connection end, the pipe body and the fixed pipe, and the interior of the first connection end, the second connection end and the fixed pipe are filled with rock wool Insulation.

This arrangement effectively enhances the thermal insulation performance of the first connection end, the second connection end and the fixed pipe, avoids heat loss, and thus more advantageously ensures the heating effect.

Compared with the prior art, the technical effects and advantages of the present utility model are as follows: the mass flowmeter used for low-temperature easy-to-crystallize materials is connected between the mass flowmeter body and the pipeline body through flange joints, sealing gaskets and fastening bolts. Firmly and tightly installed between the two, easy disassembly and assembly, good sealing, then start the heating tube to heat the inside of the fixed tube, the liquid enters the diversion cavity, and heat and melt the easy-to-crystallize material in the fixed tube to ensure its fluid state. Avoid blocking, which is beneficial to ensure the detection accuracy and efficiency of the mass flow meter body, and then effectively block the unmelted crystal particles through the fine wire filter layer, prolong the heating time in the fixed tube, and make the heating effect more sufficient. In this way, the blocking phenomenon of crystal particles on the mass flowmeter body is more effectively avoided, and the detection accuracy of the mass flowmeter body is further improved. Moreover, through the positioning ring, the thread groove and the support rod, the fine wire filter layer is easy to disassemble and assemble. , easy to clean and replace, flexible to use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic diagram of the internal structure of the fixed pipe of the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of the left side of the fixing pipe of the present invention.

In the figure: 1, the mass flow meter body; 101, the first connection end; 102, the second connection end; 2, the pipeline body; 3, the flange joint; 301, the sealing gasket; 302, the fastening bolt; 4, the battery ;5, diversion cavity; 6, fixed pipe; 7, heating pipe; 701, wire; 8, steel wire mesh layer; 801, positioning ring; 802, strut; 9, rock wool insulation layer; 10, thread groove .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-3, a mass flow meter for low-temperature easily crystallized materials includes a mass flow meter body 1, and the mass flow meter body 1 includes a first connection end 101 and a second connection end 102. The Both the first connection end 101 and the second connection end 102 are fixedly connected to the pipe body 2 through the flange joint 3, and the port of the second connection end 102 is threadedly connected with a fixed pipe 6, and the fixed pipe 6 is tightly inserted into the pipe body 2. Inside the pipe body 2, a heating pipe 7 is fixedly installed on the inner wall of the fixed pipe 6, and a fine wire mesh layer 8 is fixedly connected to the inner wall of the fixed pipe 6 corresponding to one end of the heating pipe 7. The mass flow meter A battery 4 is fixedly mounted on the main body 1 .

Sealing pads 301 are fixedly connected to the inner side of the flange joints 3, the sealing pads 301 are closely attached, and the corresponding flange joints 3 are fixedly connected by fastening bolts 302; effectively The stability of the connection structure between the mass flow meter body 1 and the pipeline body 2 is improved, and the disassembly and assembly are convenient and the sealing performance is good.

The heating pipe 7 is fixedly connected with a wire 701, the wire 701 penetrates to the pipe body 2, and the wire 701 is electrically connected to the battery 4; it is convenient to energize the heating pipe 7 for heating work, so as to facilitate the fixing pipe The easy-to-crystallize material in 6 is heated and melted to ensure that its fluid state avoids blockage, thereby helping to ensure the detection accuracy and efficiency of the mass flow meter body 1 .

The fine steel wire mesh layer 8 is arranged in a circular structure, and a positioning ring 801 is integrally and fixedly connected to the side wall of the fine steel wire mesh layer 8 , and a threaded groove 10 is provided on the inner wall of the port of the fixed pipe 6 . , the thread groove 10 is matched and connected with the positioning ring 801; through the positioning ring 801, the wire fine filter screen layer 8 is tightened and fixed in the fixed pipe 6, which effectively improves the connection structure between the steel wire fine screen layer 8 and the fixed pipe 6 The stability of the steel wire mesh layer 8 is easy to disassemble and assemble, and the use is flexible, so that the unmelted crystal particles can be effectively blocked by the steel wire mesh filter layer 8, and the heating time in the fixed tube 6 is prolonged, so that the The heating effect is more sufficient, and the blocking phenomenon of the crystal particles on the mass flow meter body 1 is more effectively avoided, and the detection accuracy of the mass flow meter body 1 is further improved.

A strut 802 is fixedly connected to the outer middle of the fine wire filter layer 8; by holding the strut 802, it is convenient to drive the fine wire filter layer 8 to rotate, so as to facilitate the twisting of the positioning ring 801, and to facilitate the fine wire filter layer 8 disassembly, cleaning and replacement.

A diversion cavity 5 is provided between the first connection end 101 , the second connection end 102 , the pipe body 2 and the fixed pipe 6 , and the interior of the first connection end 101 , the second connection end 102 and the fixed pipe 6 are all inside. The rock wool thermal insulation layer 9 is filled and arranged; the thermal insulation performance of the first connection end 101, the second connection end 102 and the fixed pipe 6 is effectively enhanced, the heat loss is avoided, and the heating effect is more advantageously guaranteed.

Specifically, during use, the mass flowmeter body 1 and the pipeline body 2 are firmly and tightly installed through the flange joint 3, the sealing gasket 301 and the fastening bolt 302, which is convenient for disassembly and assembly and has good sealing performance. , start the heating tube 7 to heat the inside of the fixed tube 6, the liquid enters the diversion cavity 5, and heat and melt the easy-to-crystallize material in the fixed tube 6 to ensure its fluid state and avoid blockage, which is beneficial to ensure the mass flow meter body 1. The accuracy and efficiency are detected, and the unmelted crystalline particles are effectively blocked by the fine wire mesh layer 8, and the heating time in the fixed tube 6 is prolonged, so that the heating effect is more sufficient, and the crystalline particles are more effectively avoided. The blocking phenomenon of the mass flowmeter body 1 further improves the detection accuracy of the mass flowmeter body 1, and through the positioning ring 801, the threaded groove 10 and the support rod 802, the wire fine screen layer 8 is easy to disassemble and assemble, and easy to clean And replacement, flexible use.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (6)

1. A mass flowmeter for low-temperature easily crystallized materials, comprising a mass flowmeter body (1), characterized in that: the mass flowmeter body (1) comprises a first connection end (101) and a second connection end (102), the first connection end (101) and the second connection end (102) are fixedly connected to the pipe body (2) through the flange joint (3), and the port of the second connection end (102) is A fixed pipe (6) is threadedly connected, the fixed pipe (6) is tightly inserted into the interior of the pipe body (2), and a heating pipe (7) is fixedly installed on the inner wall of the fixed pipe (6). The inner wall of the fixed pipe (6) corresponding to one end of the pipe (7) is fixedly connected with a fine wire filter screen layer (8), and a battery (4) is fixedly installed on the mass flow meter body (1). 2. A mass flow meter for low-temperature easy-to-crystallize materials according to claim 1, characterized in that: a sealing gasket (301) is fixedly connected to the inner side of the flange joint (3), and the The gaskets (301) are closely attached, and the corresponding flange joints (3) are fixedly connected by fastening bolts (302). 3. A mass flow meter for low-temperature easy-to-crystallize materials according to claim 1, characterized in that: a wire (701) is fixedly connected to the heating pipe (7), and the wire (701) runs through to on the pipe body (2), and the wire (701) is electrically connected with the battery (4). 4. A mass flow meter for materials that are easy to crystallize at low temperature according to claim 1, characterized in that: the wire fine filter screen layer (8) is arranged in a circular structure, and the steel wire fine screen layer is arranged in a circular structure. A locating ring (801) is integrally and fixedly connected to the side wall of (8), a threaded groove (10) is provided on the inner wall of the port of the fixing pipe (6), and the threaded groove (10) is connected to the locating ring (801) match the connection. 5 . The mass flow meter for low-temperature easily crystallized materials according to claim 1 , wherein a support rod ( 802 ) is fixedly connected to the outer middle of the steel wire fine filter screen layer ( 8 ). 6 . 6. A mass flow meter for low-temperature easy-to-crystallize materials according to claim 1, characterized in that: the first connection end (101), the second connection end (102), the pipeline body (2) and the A diversion cavity (5) is arranged between the fixed pipes (6), and the interior of the first connection end (101), the second connection end (102) and the fixed pipe (6) are filled with a rock wool insulation layer ( 9).

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