CN218002618U

CN218002618U - Anti-pollution plug-in vortex shedding flowmeter

Info

Publication number: CN218002618U
Application number: CN202221761502.2U
Authority: CN
Inventors: 杨君; 何玉明
Original assignee: Changzhou Kewei Instrument Manufacturing Co ltd
Current assignee: Changzhou Kewei Instrument Manufacturing Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-09
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a plug-in vortex flowmeter of anti-soil, filter module is arranged in filtering the impurity in the fluid before the fluid process vortex flowmeter, including the gomphosis diversion piece on main part module inner wall, fix the inlayer filter screen at diversion piece tip, install the outer subassembly at diversion piece tip and set up the fibre filter paper between inlayer filter screen and outer subassembly, the diversion piece is used for installing inlayer filter screen and outer subassembly, be used for playing the water conservancy diversion effect, it is fixed with the slider to be annular array on the lateral surface of diversion piece, it has the spout to open to be annular array on the tip inner wall of connecting pipe, spout and the mutual gomphosis of slider, thereby the installation and the dismantlement of diversion piece have been made things convenient for, when connecting pipe and fluid pipeline carry out the solid with each other, the connecting pipe can make the slider keep fixed with fluid pipeline laminating each other, this plug-in vortex flowmeter of anti-soil, have the advantage that anti-soil ability is strong and the practicality is high.

Description

Anti-pollution plug-in vortex shedding flowmeter

Technical Field

The utility model relates to a vortex flowmeter technical field specifically is a bayonet vortex flowmeter of anti-soil.

Background

The vortex shedding flowmeter is a volume flowmeter which is produced according to the Karman vortex shedding principle and is used for measuring the volume flow, the standard condition volume flow or the mass flow of gas, steam or liquid. The flow meter is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media such as gas, liquid, steam and the like, and is characterized by small pressure loss, wide measuring range and high precision, and is hardly influenced by parameters such as fluid density, pressure, temperature, viscosity and the like when measuring the working condition volume flow. And no movable mechanical parts are arranged, so that the reliability is high and the maintenance amount is small.

However, the following disadvantages still exist in the use process of the vortex shedding flowmeter: the antipollution is relatively poor, and fluid is through vortex street flowmeter timing, and impurity in the fluid is attached to vortex street flowmeter easily on, forms the spot on vortex street flowmeter, leads to vortex street flowmeter to receive the influence when measuring, has reduced vortex street flowmeter's measurement accuracy, and the impurity of attaching to simultaneously on vortex street flowmeter produces the corruption to vortex street flowmeter easily, influences vortex street flowmeter's life.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art or the correlation technique.

Therefore, the utility model discloses the technical scheme who adopts does: an anti-fouling plug-in vortex shedding flowmeter comprising: the filter module comprises a flow guide part embedded on the inner wall of the main module, an inner-layer filter screen fixed at the end part of the flow guide part, an outer-layer component arranged at the end part of the flow guide part and fiber filter paper arranged between the inner-layer filter screen and the outer-layer component.

Preferably, the main body module comprises a vortex shedding flowmeter main body, a connecting pipe fixed at the bottom end of the vortex shedding flowmeter main body and flange plates symmetrically sleeved and fixed at two ends of the connecting pipe.

Preferably, the outer side surface of the flow guide piece is fixed with sliding blocks in an annular array mode, the cross section of the flow guide piece is trapezoidal, and the inclined plane is inclined inwards.

Preferably, the inner wall of the end part of the connecting pipe is provided with sliding grooves in an annular array, and the sliding grooves are mutually embedded with the sliding blocks.

Preferably, the outer assembly comprises a ring-shaped member arranged on one side of the flow guide member and an outer filter screen fixed at the end of the ring-shaped member.

Preferably, the outer side surface of the flow guide element close to the outer layer assembly is provided with an annular groove, and the annular element is embedded in the annular groove.

Preferably, the outer side surface of the ring-shaped member is provided with external threads, the inner wall of the annular groove is provided with internal threads, and the internal threads are meshed with the external threads on the ring-shaped member.

By adopting the technical scheme, the utility model discloses the beneficial effect who gains does:

1. the utility model discloses in, through the interior wall mounting water conservancy diversion piece at the connecting pipe, and at the fixed inlayer filter screen of tip of water conservancy diversion piece, set up outer filter screen in the inlayer filter screen outside simultaneously, set up fiber filter paper between inlayer filter screen and outside filter screen, make the circulation before the vortex flowmeter, through inlayer filter screen, fiber filter paper and outer filter screen filter, get rid of the impurity in the fluid, thereby effectually avoided impurity to adhere to and form the spot on the vortex flowmeter, vortex flowmeter's measurement accuracy has been increased, vortex flowmeter's life has been prolonged simultaneously, vortex flowmeter's anti-soil ability has been promoted.

2. The utility model discloses in, through the mode installation water conservancy diversion spare of gomphosis, adopt threaded connection's mode installation outer subassembly simultaneously to make things convenient for the dismantlement and the installation of water conservancy diversion spare, easy to assemble simultaneously and dismantle outer subassembly, change inside fiber filter paper, promoted the convenience of filter module when using, increased practicality.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the filtering module of the present invention;

FIG. 4 is an exploded view of the filter module of the present invention;

fig. 5 is a schematic cross-sectional view of the filtering module of the present invention.

Reference numerals:

100. a body module; 110. a vortex shedding flowmeter main body; 120. a connecting pipe; 121. a chute; 130. a flange plate;

200. a filtration module; 210. a flow guide member; 211. a slider; 212. an annular groove; 220. an inner layer filter screen; 230. an outer layer assembly; 231. an annular member; 232. an outer layer filter screen; 240. fiber filter paper.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

Some embodiments of the present invention are described below with reference to the accompanying drawings, referring to fig. 1-5, a soil resistant plug-in vortex shedding flowmeter comprising: main part module 100 and filtration module 200, main part module 100 includes vortex flowmeter main part 110, fix at the connecting pipe 120 and the symmetry at vortex flowmeter main part 110 bottom and cup joint the ring flange 130 of fixing at the connecting pipe 120 both ends, vortex flowmeter main part 110 is used for measuring the flow that passes through in connecting pipe 120 through karman vortex street principle, connecting pipe 120 is used for being connected with the fluid pipeline, make things convenient for the fluid in the fluid pipeline to pass through vortex flowmeter main part 110, ring flange 130 keeps connecting pipe 120 fixed with the fluid pipeline, thereby keep connecting pipe 120's stability.

The filtering module 200 is used for filtering impurities in fluid before the fluid passes through the vortex shedding flowmeter, and comprises a flow guide member 210 embedded on the inner wall of the main body module 100, an inner layer filter screen 220 fixed at the end of the flow guide member 210, an outer layer assembly 230 installed at the end of the flow guide member 210, and fiber filter paper 240 arranged between the inner layer filter screen 220 and the outer layer assembly 230, wherein the flow guide member 210 is used for installing the inner layer filter screen 220 and the outer layer assembly 230 and playing a role in flow guide, sliders 211 are fixed on the outer side surface of the flow guide member 210 in an annular array, chutes 121 are formed on the inner wall of the end of the connecting pipe 120 in an annular array, the chutes 121 and the sliders 211 are embedded with each other, so that the installation and the disassembly of the flow guide member 210 are facilitated, and meanwhile, when the connecting pipe 120 and the fluid pipe are fixed, the connecting pipe 120 and the fluid pipe are attached with each other so that the sliders 211 can be kept fixed, the stability of the flow guide member 210 is kept, the cross section of the flow guide member 210 is trapezoidal and the inclined plane of the flow guide member 210 is guided into the inner side filter screen.

The end of the inner filter screen 220 is fixed to the end of the flow guide element 210 for primarily filtering the passing fluid, the outer component 230 includes a ring 231 disposed on one side of the flow guide element 210 and an outer filter screen 232 having an end fixed to the end of the ring 231, the outer side of the flow guide element 210 close to the outer component 230 is provided with an annular groove 212, the ring 231 is embedded in the annular groove 212, meanwhile, the outer side of the ring 231 is provided with an external thread, the inner wall of the annular groove 212 is provided with an internal thread, and the internal thread is meshed with the external thread on the ring 231, thereby facilitating the installation and disassembly of the outer component 230, the end of the outer filter screen 232 is fixedly connected to the end of the ring 231 for passing the fluid filtered by the fiber filter paper 240, and at the same time, the fiber filter paper 240 is fixed to maintain the stability of the fiber filter paper 240 during filtering, the fiber 240 is used for secondarily filtering the passing fluid, removing fine impurities in the fluid, and preventing the impurities from attaching to the vortex street flowmeter body 110.

The utility model discloses a theory of operation and use flow: the two ends of the connecting pipe 120 are connected with the fluid pipeline through the flange 130, before the fluid passes through the vortex flowmeter main body 110, under the action of the flow guide piece 210, the fluid enters the inner filter screen 220 and sequentially passes through the inner filter screen 220, the limiting filter paper and the outer filter screen 232 for filtering, impurities in the flow are filtered, the formation of stains on the vortex flowmeter main body 110 is avoided, when the fluid stops conveying, the connecting pipe 120 is disassembled, the flow guide piece 210 is taken out, the outer filter screen 232 is rotated, the outer filter screen 232 is separated from the flow guide piece 210, the fiber filter paper 240 is taken out again, new fiber filter paper 240 is replaced, the inner filter screen 220 and the outer filter screen 232 are cleaned, installation and resetting are carried out after completion, and subsequent use is facilitated.

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

Claims

1. An anti-fouling plug-in vortex shedding flowmeter comprising: the filter module (200) comprises a flow guide part (210) embedded on the inner wall of the main body module (100), an inner-layer filter screen (220) fixed at the end part of the flow guide part (210), an outer-layer component (230) installed at the end part of the flow guide part (210) and fiber filter paper (240) arranged between the inner-layer filter screen (220) and the outer-layer component (230).

2. The plug-in vortex shedding flowmeter according to claim 1, wherein the body module (100) comprises a vortex shedding flowmeter body (110), a connecting pipe (120) fixed at the bottom end of the vortex shedding flowmeter body (110), and flanges (130) symmetrically sleeved and fixed at two ends of the connecting pipe (120).

3. An anti-fouling plug-in vortex shedding flowmeter according to claim 1, wherein the outer side surface of the flow guide member (210) is fixed with sliders (211) in an annular array, and the cross section of the flow guide member (210) is trapezoidal and the inclined surface is inclined inwards.

4. An anti-fouling plug-in vortex shedding flowmeter according to claim 2, wherein the inner wall of the end part of the connecting pipe (120) is provided with sliding grooves (121) in an annular array, and the sliding grooves (121) and the sliding blocks (211) are mutually embedded.

5. A fouling resistant plug-in vortex shedding flowmeter according to claim 1, wherein the outer assembly (230) comprises a ring-shaped member (231) arranged at one side of the flow guide member (210) and an outer screen (232) having an end fixed to the end of the ring-shaped member (231).

6. An antifouling plug-in vortex shedding flowmeter according to claim 5, wherein the outer side of the flow guide member (210) close to the outer layer assembly (230) is provided with an annular groove (212), and the annular member (231) is embedded in the annular groove (212).

7. An antifouling plug-in vortex shedding flowmeter according to claim 5, wherein the outer side surface of the ring-shaped member (231) is provided with external threads, the inner wall of the annular groove (212) is provided with internal threads, and the internal threads are meshed with the external threads on the ring-shaped member (231).