CN216050074U - Energy-saving integrated intelligent differential pressure flowmeter - Google Patents
Energy-saving integrated intelligent differential pressure flowmeter Download PDFInfo
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- CN216050074U CN216050074U CN202122532612.3U CN202122532612U CN216050074U CN 216050074 U CN216050074 U CN 216050074U CN 202122532612 U CN202122532612 U CN 202122532612U CN 216050074 U CN216050074 U CN 216050074U
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Abstract
The utility model discloses an energy-saving integrated intelligent differential pressure flowmeter which comprises a flowmeter shell and a pressure-bearing pipeline, wherein the pressure-bearing pipeline and the flowmeter shell are integrally arranged, an internal thread connecting part is arranged on the inner wall surface of the pressure-bearing pipeline, a nozzle is arranged at the left end of the pressure-bearing pipeline, a stainless steel elastic gasket is arranged between the right end surface of the nozzle and the left end surface of the pressure-bearing pipeline, an external thread connecting part matched with the internal thread connecting part is integrally arranged at the right end of the nozzle, and the nozzle and the pressure-bearing pipeline are locked and fixed through threads; the outer surface of the nozzle is provided with an annular positioning groove, the flowmeter shell is provided with a plurality of threaded through holes aligned to the annular positioning groove, a positioning screw is arranged in each threaded through hole, and the head of each positioning screw is inserted into the annular positioning groove. Above-mentioned technical scheme, structural design is reasonable, the nozzle is connected reliably, be difficult for not hard up, long service life and practicality are good.
Description
Technical Field
The utility model relates to the technical field of differential pressure flowmeters, in particular to an energy-saving integrated intelligent differential pressure flowmeter.
Background
The differential pressure flowmeter is based on the principle of fluid flow, realizes flow measurement by utilizing the pressure difference generated when fluid passes through a throttling device, is widely applied to industries such as petrochemical industry, food and beverage, pharmacy, energy and the like at present, and is one of the most mature and commonly used methods for measuring flow in the production at present.
However, the conventional differential pressure flow meter has disadvantages: the structure sets up unreasonablely, and when throttling arrangement was the nozzle, the nozzle generally adopted welding mode or pin junction mode with the pressure-bearing casing pipe to be connected, no matter welding mode or pin junction mode all have serious safety risk, the defect that welding mode is connected: the welding seam can not be subjected to ray detection and ultrasonic detection, and whether the welding seam has an unallowable welding defect or not can not be judged; the thickness of the welding seam is obviously lower than that of the pressure-bearing shell pipe, and the pressure-bearing capacity of the welding seam is insufficient; the root of the welding seam is easy to have high-risk welding defects such as incomplete penetration and incomplete fusion; pin connection mode defect: the pin junction is easy to loosen or break, potential safety hazards exist, the service life is short, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an energy-saving integrated intelligent differential pressure flowmeter which is reasonable in structural design, reliable in nozzle connection, not easy to loosen, long in service life and good in practicability.
In order to achieve the purpose, the utility model provides the following technical scheme: an energy-saving integrated intelligent differential pressure flowmeter comprises a flowmeter shell and a pressure-bearing pipeline, wherein a fluid channel is arranged in the flowmeter shell, the pressure-bearing pipeline is positioned in the fluid channel, the pressure-bearing pipeline and the flowmeter shell are integrally arranged, an internal thread connecting part is arranged on the inner wall surface of the pressure-bearing pipeline, a nozzle is arranged at the left end of the pressure-bearing pipeline, a stainless steel elastic gasket is arranged between the right end surface of the nozzle and the left end surface of the pressure-bearing pipeline, an external thread connecting part matched with the internal thread connecting part is integrally arranged at the right end of the nozzle, and the nozzle and the pressure-bearing pipeline are locked and fixed through threads; the outer surface of the nozzle is provided with an annular positioning groove, the flowmeter shell is provided with a plurality of threaded through holes aligned to the annular positioning groove, a positioning screw is arranged in each threaded through hole, and the head of each positioning screw is inserted into the annular positioning groove.
The utility model is further configured to: all be provided with a first sealing washer recess and second sealing washer recess on every screw through-hole's the internal face, embedded type is provided with lip seal in the first sealing washer recess, and embedded type is provided with O type sealing washer in the second sealing washer recess, set screw and the screw through-hole threaded connection who aims at, every set screw all constitutes sealedly through lip seal and O type sealing washer and between the internal face of the screw through-hole of aiming at.
The utility model is further configured to: the left end face of the nozzle is provided with a welding groove close to the inner wall face of the fluid channel, the bottom face of the welding groove is provided with a plurality of first positioning grooves, and the inner wall face of the fluid channel is provided with a plurality of second positioning grooves in a position aligned with the welding groove.
The utility model is further configured to: welding seam metal strips are welded in the welding groove, the first positioning groove and the second positioning groove.
The utility model is further configured to: the nozzle is made of stainless steel materials, and a hard alloy reinforcing block is welded at the right end of the nozzle.
The utility model is further configured to: a first pressure tapping hole is formed in the position, located at the left end of the nozzle, of the flowmeter shell, and a first pressure tapping pipe is welded to an outer port of the first pressure tapping hole; the flowmeter shell is located at the right end of the nozzle and is provided with a second pressure taking hole, the outer port of the second pressure taking hole is welded with a second pressure taking pipe, a pressure difference sensor is connected between the first pressure taking pipe and the second pressure taking pipe, and a flow display meter is integrally arranged on the pressure difference sensor.
The utility model has the advantages that: compared with the prior art, the structure of the utility model is more reasonable, the nozzle and the pressure-bearing pipeline are locked and fixed through the thread, and the radial fixation of the nozzle is realized; an annular positioning groove is formed in the outer surface of the nozzle, a plurality of threaded through holes are formed in the flowmeter shell in a position aligned with the annular positioning groove, a positioning screw is arranged in each threaded through hole, the head of each positioning screw is inserted into the annular positioning groove, and the positioning screws axially fix the nozzle; and all weld the welding seam metal strip in welding recess, first positioning groove and the second positioning groove, constitute radial and axial fixity to the nozzle simultaneously through the welding seam metal strip that the welding constitutes for constitute an organic whole structure behind nozzle and the welding of flowmeter casing, the bearing capacity is stronger, and the nozzle is connected reliably, is difficult for becoming flexible, long service life and practicality are good.
The utility model is further described with reference to the drawings and the specific embodiments in the following description.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged schematic view of a portion I in fig. 1.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and 2, the energy-saving integrated intelligent differential pressure flowmeter disclosed by the utility model comprises a flowmeter housing 1 and a pressure-bearing pipeline 2, wherein a fluid channel 11 is arranged in the flowmeter housing 1, the pressure-bearing pipeline 2 is positioned in the fluid channel 11, the pressure-bearing pipeline 2 and the flowmeter housing 1 are integrally arranged, an internal thread connecting part 21 is arranged on the inner wall surface of the pressure-bearing pipeline 2, a nozzle 3 is arranged at the left end of the pressure-bearing pipeline 2, a stainless steel elastic gasket 4 is arranged between the right end surface of the nozzle 3 and the left end surface of the pressure-bearing pipeline 2, an external thread connecting part 31 matched with the internal thread connecting part 21 is integrally arranged at the right end of the nozzle 3, and the nozzle 3 and the pressure-bearing pipeline 2 are locked and fixed through threads; the outer surface of the nozzle 3 is provided with an annular positioning groove 32, the flowmeter shell 1 is provided with a plurality of threaded through holes aligned to the annular positioning groove, each threaded through hole is internally provided with a positioning screw 5, and the head of each positioning screw 5 is inserted into the annular positioning groove 32.
Preferably, when the nozzle 3 is screwed and locked with the internal thread connecting part 21 on the inner wall surface of the pressure-bearing pipeline 2 through the external thread connecting part 31, the stainless steel elastic gasket 4 is pressed; more than 3 threaded through holes are arranged, and the threaded through holes are uniformly distributed in a ring shape; the flowmeter shell 1 and the pressure-bearing pipeline 2 are both made of stainless steel materials.
In order to make the structure of the utility model more reasonable, preferably, the inner wall surface of each threaded through hole is provided with a first sealing ring groove and a second sealing ring groove, the first sealing ring groove is internally embedded with a lip-shaped sealing ring 6, the second sealing ring groove is internally embedded with an O-shaped sealing ring 7, the positioning screws 5 are in threaded connection with the aligned threaded through holes, and each positioning screw 5 forms a seal with the inner wall surface of the aligned threaded through hole through the lip-shaped sealing ring 6 and the O-shaped sealing ring 7.
A welding groove 33 is formed in the position, close to the inner wall surface of the fluid passage 11, of the left end surface of the nozzle 3, a plurality of first positioning grooves 331 are formed in the bottom surface of the welding groove 33, and a plurality of second positioning grooves 111 are formed in the position, aligned with the welding groove 33, of the inner wall surface of the fluid passage 11. Preferably, the welding recesses 33 are annular recesses, the number of the first positioning recesses 331 and the number of the second positioning recesses 111 are more than 3, the first positioning recesses 331 and the second positioning recesses 111 are uniformly distributed in an annular shape, and the first positioning recesses 331 and the second positioning recesses 111 are rectangular recesses.
Welding seam metal strips are welded in the welding groove 33, the first positioning groove 331 and the second positioning groove 111.
The nozzle 3 is made of stainless steel materials, and a hard alloy reinforcing block 8 is welded at the right end of the nozzle 3.
A first pressure tapping hole 12 is formed in the flowmeter shell 1 at the left end of the nozzle 3, and a first pressure tapping pipe 9 is welded at the outer port of the first pressure tapping hole 12; the flowmeter shell 1 is located the nozzle 3 right-hand member position and is provided with the second and get pressure hole 13, the outer port welding in second pressure hole 13 has the second to get to press pipe 10, it is connected with pressure differential sensor 14 to get between pressing pipe 10 to press pipe 9 and the second to get, just the last an organic whole of pressure differential sensor 14 is provided with flow display table 15. Preferably, the left end of the differential pressure sensor 14 and the end of the first pressure tapping pipe 9 away from the flowmeter housing are fixed by screwing or flange connection or welding, and the right end of the differential pressure sensor 14 and the end of the second pressure tapping pipe 10 away from the flowmeter housing are fixed by screwing or flange connection or welding.
In practical application, the nozzle and the pressure-bearing pipeline are locked and fixed through threads, so that the radial fixation of the nozzle is realized; an annular positioning groove is formed in the outer surface of the nozzle, a plurality of threaded through holes are formed in the flowmeter shell in a position aligned with the annular positioning groove, a positioning screw is arranged in each threaded through hole, the head of each positioning screw is inserted into the annular positioning groove, and the positioning screws axially fix the nozzle; and all weld the welding seam metal strip in welding recess, first positioning groove and the second positioning groove, constitute radial and axial fixity to the nozzle simultaneously through the welding seam metal strip that the welding constitutes for constitute an organic whole structure behind nozzle and the welding of flowmeter casing, the bearing capacity is stronger, and the nozzle is connected reliably, is difficult for becoming flexible, long service life and practicality are good.
The above embodiments are only for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and the technical engineers in the art can make insubstantial modifications and adaptations of the present invention based on the above disclosure and disclosure of the utility model.
Claims (6)
1. The utility model provides an energy-saving integrated intelligence differential pressure flowmeter, includes flowmeter casing (1) and pressure-bearing pipeline (2), be provided with fluid passage (11) in flowmeter casing (1), pressure-bearing pipeline (2) are located fluid passage (11), its characterized in that: the pressure-bearing pipeline (2) and the flowmeter shell (1) are integrally arranged, an internal thread connecting part (21) is arranged on the inner wall surface of the pressure-bearing pipeline (2), a nozzle (3) is arranged at the left end of the pressure-bearing pipeline (2), a stainless steel elastic gasket (4) is arranged between the right end surface of the nozzle (3) and the left end surface of the pressure-bearing pipeline (2), an external thread connecting part (31) matched with the internal thread connecting part (21) is integrally arranged at the right end of the nozzle (3), and the nozzle (3) and the pressure-bearing pipeline (2) are locked and fixed through threads; the outer surface of the nozzle (3) is provided with an annular positioning groove (32), the flowmeter shell (1) is aligned to the annular positioning groove and provided with a plurality of threaded through holes, a positioning screw (5) is arranged in each threaded through hole, and the head of each positioning screw (5) is inserted into the annular positioning groove (32).
2. The energy-saving integrated intelligent differential pressure flowmeter of claim 1, characterized in that: all be provided with a first sealing washer recess and second sealing washer recess on the internal face of every screw through-hole, embedded type is provided with lip seal (6) in the first sealing washer recess, and embedded type is provided with O type sealing washer (7) in the second sealing washer recess, set screw (5) and the screw through-hole threaded connection who aims at, every set screw (5) all constitute sealedly between the internal face through lip seal (6) and O type sealing washer (7) and the screw through-hole of aiming at.
3. The energy-saving integrated intelligent differential pressure flowmeter according to claim 1 or 2, characterized in that: a welding groove (33) is formed in the position, close to the inner wall face of the fluid channel (11), of the left end face of the nozzle (3), a plurality of first positioning grooves (331) are formed in the bottom face of the welding groove (33), and a plurality of second positioning grooves (111) are formed in the position, aligned with the welding groove (33), of the inner wall face of the fluid channel (11).
4. The energy-saving integrated intelligent differential pressure flowmeter of claim 3, characterized in that: and welding seam metal strips are welded in the welding groove (33), the first positioning groove (331) and the second positioning groove (111).
5. The energy-saving integrated intelligent differential pressure flowmeter of claim 4, characterized in that: the nozzle (3) is made of stainless steel materials, and a hard alloy reinforcing block (8) is welded at the right end of the nozzle (3).
6. The energy-saving integrated intelligent differential pressure flowmeter of claim 5, characterized in that: a first pressure tapping hole (12) is formed in the position, located at the left end of the nozzle, of the flowmeter shell (1), and a first pressure tapping pipe (9) is welded to an outer port of the first pressure tapping hole (12); the flowmeter shell (1) is located at the right end of the nozzle (3) and is provided with a second pressure taking hole (13), the outer port of the second pressure taking hole (13) is welded with a second pressure taking pipe (10), a pressure difference sensor (14) is connected between the first pressure taking pipe (9) and the second pressure taking pipe (10), and a flow display meter (15) is integrally arranged on the pressure difference sensor (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532612.3U CN216050074U (en) | 2021-10-20 | 2021-10-20 | Energy-saving integrated intelligent differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532612.3U CN216050074U (en) | 2021-10-20 | 2021-10-20 | Energy-saving integrated intelligent differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216050074U true CN216050074U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122532612.3U Active CN216050074U (en) | 2021-10-20 | 2021-10-20 | Energy-saving integrated intelligent differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216050074U (en) |
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2021
- 2021-10-20 CN CN202122532612.3U patent/CN216050074U/en active Active
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