CN220772262U

CN220772262U - Porous balance flowmeter

Info

Publication number: CN220772262U
Application number: CN202322158326.4U
Authority: CN
Inventors: 徐福昌; 李万辉; 陈身同; 仝凤硕; 马兆乾
Original assignee: Yuncheng Detong Water Treatment Equipment Co ltd
Current assignee: Yuncheng Detong Water Treatment Equipment Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-04-12
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses a porous balance flowmeter, which comprises a connecting pipe, a porous plate, a differential pressure transmitter and a protection mechanism, and belongs to the technical field of flowmeters; according to the utility model, the porous plate is hermetically arranged in the connecting pipe through the mounting assembly, the motor is started to drive the crushing cutter connected with the rotating shaft to rotate in the circular ring, so that the crushing cutter crushes dirty media in fluid entering the circular ring through the liquid inlet of the connecting pipe in the rotation process, the crushed media pass through the through holes in the porous plate along with the fluid after being screened and filtered by the grid plate, and the dirty media which do not pass through the grid plate are left in the circular ring to crush again, so that the dirty media pass through the porous plate along with the fluid after passing through the grid plate, and the technical effects of weakening impact force of the dirty media on the porous plate, preventing the dirty media from blocking the through holes in the porous plate and prolonging the service life of the porous plate are achieved.

Description

Porous balance flowmeter

Technical Field

The utility model belongs to the technical field of flowmeters, and particularly relates to a porous balance flowmeter.

Background

The porous balance flowmeter consists of a porous balance device, a differential pressure transmitter and a display instrument, and is suitable for flow measurement with short straight pipe section, dirty medium and low flow due to the special structure.

The patent number 202223370449.6 discloses a porous balance flowmeter in one of the patents, including the pipe, the both ends of pipe all are provided with flange, the intermediate position of pipe is provided with the mounting, the inboard of mounting is pegged graft there is the perforated plate, the surface connection of pipe has two to draw and presses the pipe, one of them draw and press the pipe to be located the one side of perforated plate, another draw and press the pipe to be located the opposite side of perforated plate, two draw and press the pipe to be connected with the triple valve group jointly, the triple valve group is connected with differential pressure transmitter.

However, a certain problem still exists in the use process of the porous balance flowmeter in the above patent, the porous plate is blocked and the maintenance cost of frequently replacing the porous plate is high in the process of flushing the porous plate by the dirty medium, so that the porous balance flowmeter is provided, and the problem is solved by using protection mechanisms such as a circular ring.

Disclosure of Invention

The utility model provides a porous balance flowmeter which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a porous balance flowmeter, includes connecting pipe, perforated plate and differential pressure transmitter, the perforated plate sets up inside the connecting pipe, differential pressure transmitter passes through two pipelines and is connected with the connecting pipe, and two pipeline one ends set up respectively in the perforated plate both sides, connecting pipe both ends fixedly connected with respectively are used for the flange of being connected to the connecting pipe both ends, still include:

the protection machanism, protection machanism sets up the water inlet one end at the connecting pipe of perforated plate one side, one side that the perforated plate is close to protection machanism is provided with the installation component, protection machanism includes ring, grid plate and broken subassembly, the connecting pipe inner wall is hugged closely to the ring outer wall and with connecting pipe inner wall fixed connection, the grid plate sets up the one end that is close to the perforated plate at the ring and with ring inner wall fixed connection, the grid plate net mouth is less than the through-hole of seting up on the perforated plate, broken subassembly sets up the one end of keeping away from the perforated plate at the ring.

Based on the technical scheme, the utility model also provides the following optional technical schemes:

the technical scheme is as follows: the crushing assembly comprises a motor, a rotating shaft and a crushing cutter, wherein the motor is arranged outside the connecting pipe and fixedly connected with the connecting pipe, the crushing cutter is arranged inside the circular ring, two ends of the crushing cutter are respectively connected with the rotating shaft, the other end of the rotating shaft at the bottom of the crushing cutter is rotationally connected with the inner bottom wall of the circular ring, the other end of the rotating shaft at the top of the crushing cutter penetrates through the circular ring and the connecting pipe to be rotationally connected with an output shaft of the motor, and one end of the rotating shaft penetrating through the circular ring and the connecting pipe is rotationally connected with the circular ring and the connecting pipe in a sealing manner.

The technical scheme is as follows: the outside of the crushing cutter is provided with a circular ring type crushing cutter, the inner side of the circular ring type crushing cutter is fixedly connected with a plurality of linear type crushing cutters which are distributed in a crossed mode, and the diameter of the circular ring type crushing cutter at the outer side of the crushing cutter is slightly smaller than that of the inner side of the circular ring.

The technical scheme is as follows: the installation component includes solid fixed ring, external screw thread ring and internal screw thread ring, gu fixed ring sets up at the connecting pipe inboard and with connecting pipe inner wall sealing fixed connection, external screw thread ring fixed connection keeps away from one side of grid board at solid fixed ring, internal screw thread ring fixed connection is close to one side of external screw thread ring at the perforated plate, internal screw thread ring inboard screw thread agrees with external screw thread ring outside screw thread mutually, perforated plate outside fixedly connected with seals up the ring.

The technical scheme is as follows: limiting studs are arranged at the positions, corresponding to the connection positions of the internal thread ring and the external thread ring, of the two sides of the connecting pipe, threaded holes corresponding to the two limiting studs are arranged on the outer side of the internal thread ring, the two limiting studs penetrate through the outer side of the connecting pipe and extend into the threaded holes on the outer side of the internal thread ring, and the two limiting studs are in threaded connection with the connecting pipe and the internal thread ring.

Advantageous effects

The utility model provides a porous balance flowmeter. Compared with the prior art, the method has the following beneficial effects:

1. the porous plate is hermetically installed in the connecting pipe through the installation component, the motor is started to drive the crushing cutter connected with the rotating shaft to rotate in the circular ring, so that the crushing cutter crushes dirty media in fluid entering the circular ring through the liquid inlet of the connecting pipe in the rotating process, the crushed media pass through the through holes in the porous plate along with the fluid after being screened and filtered by the grid plate, the dirty media which do not pass through the grid plate are left in the circular ring to crush again, the dirty media which pass through the grid plate pass through the porous plate along with the fluid, and the technical effects of weakening the impact force of the dirty media on the porous plate, preventing the dirty media from blocking the through holes in the porous plate and prolonging the service life of the porous plate are achieved;

2. the sealing ring outside the porous plate is used for enabling the porous plate to be in sealing connection with the inner wall of the connecting pipe, the inner thread ring on the porous plate is screwed into the outer side of the outer thread ring on the fixing ring, and the two limit studs penetrate through the outer side of the connecting pipe and are screwed into the threaded hole in the outer side of the inner thread ring, so that the purpose of enhancing the connection stability of the porous plate and the connecting pipe and facilitating replacement of the porous plate is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic diagram showing the distribution of the internal structure of the connecting pipe according to the present utility model.

Fig. 3 is a schematic view of the present utility model in partial cross section.

Fig. 4 is a schematic diagram of an explosive structure according to the present utility model.

Reference numerals annotate: 1. a connecting pipe; 2. a connecting flange; 3. a porous plate; 4. a pipe; 5. a differential pressure transmitter; 6. a mounting assembly; 7. a protective mechanism; 8. a circular ring; 9. a grid plate; 10. a motor; 11. a rotating shaft; 12. a crushing knife; 13. a fixing ring; 14. an external threaded ring; 15. an internally threaded ring; 16. sealing the circular ring; 17. and (5) limiting the stud.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 4, for providing a porous balance flowmeter according to an embodiment of the present utility model, the porous balance flowmeter includes a connecting pipe 1, a porous plate 3, and a differential pressure transmitter 5, wherein the porous plate 3 is disposed inside the connecting pipe 1, the differential pressure transmitter 5 is connected with the connecting pipe 1 through two pipes 4, one ends of the two pipes 4 are disposed at two sides of the porous plate 3, two ends of the connecting pipe 1 are fixedly connected with connecting flanges 2 for connecting two ends of the connecting pipe 1, and the porous balance flowmeter further includes:

the protection machanism 7, protection machanism 7 sets up the water inlet one end of connecting pipe 1 in perforated plate 3 one side, one side that perforated plate 3 is close to protection machanism 7 is provided with installation component 6, protection machanism 7 includes ring 8, grid plate 9 and broken subassembly, the connecting pipe 1 inner wall is hugged closely to ring 8 outer wall and with connecting pipe 1 inner wall fixed connection, grid plate 9 sets up the one end that is close to perforated plate 3 at ring 8 and with ring 8 inner wall fixed connection, grid plate 9 net mouth is less than the through-hole of seting up on the perforated plate 3, broken subassembly sets up the one end of keeping away from perforated plate 3 at ring 8.

Preferably, the crushing assembly comprises a motor 10, a rotating shaft 11 and a crushing cutter 12, wherein the motor 10 is arranged outside the connecting pipe 1 and fixedly connected with the connecting pipe 1, the crushing cutter 12 is arranged inside the circular ring 8, two ends of the crushing cutter 12 are respectively connected with the rotating shaft 11, the other end of the rotating shaft 11 at the bottom of the crushing cutter 12 is rotationally connected with the inner bottom wall of the circular ring 8, the other end of the rotating shaft 11 at the top of the crushing cutter 12 penetrates through the circular ring 8 and the connecting pipe 1 to be rotationally connected with an output shaft of the motor 10, and the rotating shaft 11 penetrates through the circular ring 8 and one end of the connecting pipe 1 to be rotationally connected with the circular ring 8 and the connecting pipe 1 in a sealing way. The purpose of this arrangement is to drive the rotary shaft 11 through the motor 10 to drive the crushing blade 12 to rotate inside the circular ring 8, so as to crush the dirty medium in the fluid entering the connecting pipe 1 through the crushing blade 12 and prevent the dirty medium from blocking the porous plate 3.

Preferably, the outside of the crushing cutter 12 is provided with a circular ring type crushing cutter, the inside of the circular ring type crushing cutter is fixedly connected with a plurality of linear type crushing cutters which are arranged in a crossed mode, and the diameter of the circular ring type crushing cutter at the outside of the crushing cutter 12 is slightly smaller than that of the inside of the circular ring 8. The purpose of this arrangement is to achieve a complete disruption of the dirty medium passing inside the ring 8 by the disruption blades 12.

In the embodiment of the utility model, the porous plate 3 is hermetically installed in the connecting pipe 1 through the installation component 6, the motor 10 is started to drive the crushing cutter 12 connected with the rotating shaft 11 to rotate in the circular ring 8 through the motor 10, so that the crushing cutter 12 crushes dirty media in fluid entering the circular ring 8 through the liquid inlet of the connecting pipe 1 in the rotating process, the crushed media pass through the through holes in the porous plate 3 along with the fluid after being screened and filtered by the grid plate 9, and the dirty media which do not pass through the grid plate 9 are left in the circular ring 8 to crush again, thereby realizing the technical effects of weakening the impact force of the dirty media on the porous plate 3 along with the fluid, preventing the dirty media from blocking the through holes in the porous plate 3 and prolonging the service life of the porous plate 3.

Referring to fig. 2 to 4, as an embodiment of the present utility model, the mounting assembly 6 includes a fixing ring 13, an external thread ring 14 and an internal thread ring 15, wherein the fixing ring 13 is disposed inside the connecting pipe 1 and is fixedly connected with the inner wall of the connecting pipe 1 in a sealing manner, the external thread ring 14 is fixedly connected to one side of the fixing ring 13 far away from the grid plate 9, the internal thread ring 15 is fixedly connected to one side of the porous plate 3 near the external thread ring 14, the internal thread of the internal thread ring 15 is engaged with the external thread of the external thread ring 14, and the sealing ring 16 is fixedly connected to the outer side of the porous plate 3.

Preferably, limit studs 17 are arranged at the positions, corresponding to the connection positions of the internal thread ring 15 and the external thread ring 14, of the two sides of the connecting pipe 1, threaded holes corresponding to the two limit studs 17 are arranged on the outer side of the internal thread ring 15, the two limit studs 17 penetrate through the outer side of the connecting pipe 1 and extend into the threaded holes on the outer side of the internal thread ring 15, and the two limit studs 17 are in threaded connection with the connecting pipe 1 and the internal thread ring 15. The purpose of this arrangement is to achieve the purpose of enhancing the connection stability of the internal thread ring 15 and the external thread ring 14 and preventing the slipping phenomenon of the internal thread ring 15 and the external thread ring 14 under the impact of fluid of the porous plate 3 by screwing two limit studs 17 into the threaded holes on the internal thread ring 15 through the outer side of the connecting pipe 1.

In the embodiment of the utility model, the perforated plate 3 is in sealing connection with the inner wall of the connecting pipe 1 through the sealing ring 16 at the outer side of the perforated plate 3, the inner threaded ring 15 on the perforated plate 3 is screwed into the outer side of the outer threaded ring 14 on the fixed ring 13, and then the two limit studs 17 penetrate through the outer side of the connecting pipe 1 and are screwed into the threaded holes at the outer side of the inner threaded ring 15, so that the purposes of enhancing the connection stability of the perforated plate 3 and the connecting pipe 1 and facilitating the replacement of the perforated plate 3 are realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a porous balance flowmeter, includes connecting pipe (1), perforated plate (3) and differential pressure transmitter (5), perforated plate (3) set up inside connecting pipe (1), differential pressure transmitter (5) are connected with connecting pipe (1) through two pipeline (4), and two pipeline (4) one end set up respectively in perforated plate (3) both sides, connecting pipe (1) both ends are fixedly connected with respectively and are used for flange (2) connected to connecting pipe (1) both ends, a serial communication port, still include:

protection machanism (7), protection machanism (7) set up the water inlet one end of connecting pipe (1) in perforated plate (3) one side, one side that perforated plate (3) are close to protection machanism (7) is provided with installation component (6), protection machanism (7) are including ring (8), grid plate (9) and broken subassembly, connecting pipe (1) inner wall and with connecting pipe (1) inner wall fixed connection are hugged closely to ring (8) outer wall, grid plate (9) set up in ring (8) be close to the one end of perforated plate (3) and with ring (8) inner wall fixed connection, grid plate (9) net mouth is less than the through-hole of seting up on perforated plate (3), broken subassembly sets up the one end of perforated plate (3) is kept away from in ring (8).

2. The porous balance flowmeter according to claim 1, wherein the crushing assembly comprises a motor (10), a rotating shaft (11) and a crushing cutter (12), the motor (10) is arranged outside the connecting pipe (1) and fixedly connected with the connecting pipe (1), the crushing cutter (12) is arranged inside the circular ring (8), two ends of the crushing cutter (12) are respectively connected with the rotating shaft (11), the other end of the rotating shaft (11) at the bottom of the crushing cutter (12) is rotationally connected with the inner bottom wall of the circular ring (8), the other end of the rotating shaft (11) at the top of the crushing cutter (12) penetrates through the circular ring (8) and the connecting pipe (1) to be rotationally connected with an output shaft of the motor (10), and the rotating shaft (11) penetrates through one end of the circular ring (8) and the connecting pipe (1) to be rotationally connected with the circular ring (8) and the connecting pipe (1) in a sealing manner.

3. The porous balance flowmeter of claim 2, wherein the outside of the crushing cutter (12) is provided with a circular ring type crushing cutter, the inside of the circular ring type crushing cutter is fixedly connected with a plurality of linear type crushing cutters which are distributed in a crossed mode, and the diameter of the circular ring type crushing cutter at the outside of the crushing cutter (12) is slightly smaller than that of the inside of the circular ring (8).

4. The porous balance flowmeter of claim 1, wherein the mounting assembly (6) comprises a fixing ring (13), an externally threaded ring (14) and an internally threaded ring (15), the fixing ring (13) is arranged on the inner side of the connecting pipe (1) and is fixedly connected with the inner wall of the connecting pipe (1) in a sealing manner, the externally threaded ring (14) is fixedly connected to one side, far away from the grid plate (9), of the fixing ring (13), the internally threaded ring (15) is fixedly connected to one side, close to the externally threaded ring (14), of the porous plate (3), the inner threads of the internally threaded ring (15) are matched with the outer threads of the externally threaded ring (14), and the outer side of the porous plate (3) is fixedly connected with a sealing ring (16).

5. The porous balance flowmeter according to claim 1, wherein limit studs (17) are arranged at positions corresponding to connection positions of the two sides of the connecting pipe (1) with the inner threaded ring (15) and the outer threaded ring (14), threaded holes corresponding to the two limit studs (17) are arranged on the outer side of the inner threaded ring (15), the two limit studs (17) penetrate through the outer side of the connecting pipe (1) and extend into the threaded holes on the outer side of the inner threaded ring (15), and the two limit studs (17) are in threaded connection with the connecting pipe (1) and the inner threaded ring (15).