CN213985233U

CN213985233U - High-precision anti-corrosion vortex shedding flowmeter

Info

Publication number: CN213985233U
Application number: CN202120178500.XU
Authority: CN
Inventors: 周以智; 常爱慧; 朱明发; 刘国清; 陆祖巍; 耿朝元
Original assignee: Anhui Zhidi Instrument Co ltd
Current assignee: Anhui Zhidi Instrument Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-17
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses an anticorrosive vortex street flowmeter of high accuracy, including the flowmeter casing, the inboard fixed mounting of flowmeter casing one end has pressure regulating mechanism, the inboard fixed mounting of flowmeter casing has corrosion-resistant inside lining, the inboard sliding connection of corrosion-resistant inside lining has joint support frame, the inboard fixed mounting of joint support frame bottom has the fixed seal piece, the locking board is installed to joint support frame's lower terminal surface, the equal fixed mounting in both ends of locking board has the go-between, the inboard sliding connection of joint support frame upper end has the turbine main part, the outside at turbine main part both ends all is provided with the water conservancy diversion end, the top of turbine main part is located the inboard fixed mounting of corrosion-resistant inside lining upper end and has the seal cover. The utility model discloses a be provided with corrosion-resistant layer in the inboard of flowmeter, receive the corruption when can effectively avoiding carrying the medium, and be convenient for carry out dismouting and maintenance to inner structure, the monitoring is more convenient accurate.

Description

High-precision anti-corrosion vortex shedding flowmeter

Technical Field

The utility model relates to a vortex flowmeter technical field specifically is an anticorrosive vortex flowmeter of high accuracy.

Background

With the rapid development of social economy, 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 of gas, steam or liquid and the volume flow or mass flow of standard conditions; 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.

However, the existing vortex shedding flowmeter is inconvenient to overhaul, has poor corrosion resistance and is easy to damage when conveying corrosive media; therefore, the existing requirements are not met, and a high-precision anti-corrosion vortex shedding flowmeter is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anticorrosive vortex street flowmeter of high accuracy to solve the current vortex street flowmeter who provides in the above-mentioned background art and be not convenient for overhaul, and corrosion-resistant can be poor, easily receive harm scheduling problem when carrying corrosive medium.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision anti-corrosion vortex shedding flowmeter comprises a flowmeter shell, wherein a pressure regulating mechanism is fixedly arranged on the inner side of one end of the flowmeter shell, the inner side of the flowmeter shell is fixedly provided with a corrosion-resistant lining, the inner side of the corrosion-resistant lining is connected with a connecting support frame in a sliding way, a fixed sealing block is fixedly arranged on the inner side of the bottom end of the connecting support frame, a locking plate is arranged on the lower end surface of the connecting support frame, the two ends of the locking plate are both fixedly provided with connecting rings, the inner side of the upper end of the connecting support frame is connected with a turbine main body in a sliding way, the outer sides of the two ends of the turbine main body are respectively provided with a flow guide end socket, a sealing sleeve is fixedly arranged on the inner side of the upper end of the corrosion-resistant lining above the turbine main body, the inner side of the sealing sleeve is provided with a magnetoelectric induction converter, and the inner side of the upper end of the sealing sleeve is fixedly provided with a preamplifier.

Preferably, pressure regulating mechanism is including adjusting pole, adapter sleeve, fly leaf and fixed limiting plate, the inboard sliding connection of fixed limiting plate has the fly leaf, the regulation pole is installed to the inboard of fly leaf upper end, the adapter sleeve is installed in the outside of adjusting the pole middle part.

Preferably, the bottom end of the connecting support frame penetrates through two ends of the fixed sealing block and extends to the upper end face of the locking plate, the connecting support frame and the fixed sealing block are fixedly connected through screws, and the connecting ring and two ends of the locking plate are fixedly connected through screws.

Preferably, the upper end of joint support frame is provided with waist type groove, the both ends of turbine main part all extend to the inboard in waist type groove, the up end in waist type groove is provided with spacing lid.

Preferably, both ends of the corrosion-resistant lining are connected with the flowmeter shell through sealing rings, and the inner side of one end of the corrosion-resistant lining is provided with a flow guide ring.

Preferably, the bottom of adjusting the pole runs through the adapter sleeve and extends to the inboard of fly leaf, adjust the pole and pass through threaded connection with the adapter sleeve, the inboard of fixed limiting plate is provided with the spout, the outside of fly leaf extends to the inboard of spout.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a corrosion-resistant inside lining can effectively protect the flowmeter casing, avoids causing the damage because of carrying corrosive medium, produces regular swirl through the both sides that are provided with the blade in the turbine main part outside when carrying medium alternately, and then can carry out conversion and transmission operation to swirl frequency signal through magnetoelectric induction converter and preamplifier, and then monitors the medium flow of flowmeter casing inboard in real time;

2. the utility model discloses a carry out the dismouting through locking board and go-between when overhauing the turbine main part for take out joint support frame and fixed seal piece from the inboard of flowmeter casing and can take out the maintenance operation of overhauing the turbine main part, convenient to use fixes the locking board through the link, and then locks joint support frame, is convenient for keep the stability and the leakproofness of structure.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the pressure regulating mechanism of the present invention.

In the figure: 1. a flow meter housing; 2. a connecting ring; 3. a locking plate; 4. a pressure regulating mechanism; 5. a preamplifier; 6. a magnetoelectric induction converter; 7. sealing sleeves; 8. connecting a support frame; 9. fixing the sealing block; 10. a turbine body; 11. a flow guiding end; 12. a corrosion resistant liner; 13. adjusting a rod; 14. connecting sleeves; 15. a movable plate; 16. and fixing the limit plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a high-precision anti-corrosion vortex shedding flowmeter comprises a flowmeter shell 1, wherein a pressure regulating mechanism 4 is fixedly arranged on the inner side of one end of the flowmeter shell 1, an anti-corrosion lining 12 is fixedly arranged on the inner side of the flowmeter shell 1, two ends of the anti-corrosion lining 12 are connected with the flowmeter shell 1 through sealing rings, the flowmeter shell 1 can be effectively protected through the anti-corrosion lining 12, the inner side of the anti-corrosion lining 12 is slidably connected with a connecting support frame 8, a fixed sealing block 9 is fixedly arranged on the inner side of the bottom end of the connecting support frame 8, the bottom end of the connecting support frame 8 penetrates through two ends of the fixed sealing block 9 and extends to the upper end face of a locking plate 3, the connecting support frame 8 and the fixed sealing block 9 are fixedly connected through screws, the connecting support frame 8 can be conveniently disassembled and assembled, the maintenance is convenient, the locking plate 3 is arranged on the lower end face of the connecting support frame 8, and connecting rings 2 are fixedly arranged on two ends of the locking plate 3, inboard sliding connection of joint support frame 8 upper end has turbine main part 10, the outside at turbine main part 10 both ends all is provided with water conservancy diversion end 11, the inboard fixed mounting that the top of turbine main part 10 is located corrosion-resistant inside lining 12 upper end has seal cover 7, the inboard of seal cover 7 is provided with magnetoelectric induction converter 6, the inboard fixed mounting of seal cover 7 upper end has preamplifier 5, it is whole to be provided with corrosion-resistant layer through the inboard at the flowmeter, receive the corruption when can effectively avoid carrying the medium, and be convenient for carry out dismouting and maintenance to inner structure, the monitoring is more convenient accurate.

Further, the pressure regulating mechanism 4 comprises an adjusting rod 13, a connecting sleeve 14, a movable plate 15 and a fixed limiting plate 16, the movable plate 15 is slidably connected to the inner side of the fixed limiting plate 16, the adjusting rod 13 is installed on the inner side of the upper end of the movable plate 15, the connecting sleeve 14 is installed on the outer side of the middle part of the adjusting rod 13, and the pressure of the conveyed medium can be regulated through the pressure regulating mechanism 4.

Further, the both ends that the bottom of joint support frame 8 runs through fixed seal piece 9 extend to the up end of locking plate 3, and joint support frame 8 passes through the screw connection with fixed seal piece 9 and fixes, and go-between 2 all is fixed through the screw connection with the both ends of locking plate 3, is convenient for carry out the dismouting to joint support frame 8, and then easy access.

Further, the upper end of the connecting support frame 8 is provided with a waist-shaped groove, the two ends of the turbine main body 10 both extend to the inner side of the waist-shaped groove, the upper end face of the waist-shaped groove is provided with a limiting cover, and the turbine main body 10 can be limited through the limiting cover.

Further, the both ends of corrosion-resistant inside lining 12 all are connected through the sealing washer with flowmeter casing 1, and the inboard of corrosion-resistant inside lining 12 one end is provided with the water conservancy diversion ring, can effectively protect flowmeter casing 1 through corrosion-resistant inside lining 12.

Further, the bottom end of the adjusting rod 13 penetrates through the connecting sleeve 14 and extends to the inner side of the movable plate 15, the adjusting rod 13 is connected with the connecting sleeve 14 through threads, a sliding groove is formed in the inner side of the fixed limiting plate 16, and the outer side of the movable plate 15 extends to the inner side of the sliding groove, so that the adjusting rod 13 drives the movable plate 15 to slide on the inner side of the fixed limiting plate 16, and further the medium flowing state and the medium flow rate are changed.

The working principle is as follows: when the device is used, whether the functions of all parts are intact is checked, the corrosion-resistant lining 12 is connected to the inner side of the flowmeter shell 1 through the sealing ring, so that the flowmeter shell 1 can be effectively protected through the corrosion-resistant lining 12, damage caused by conveying of corrosive media is avoided, the upper end of the connecting support frame 8 is provided with the waist-shaped groove, two ends of the turbine main body 10 extend to the inner side of the waist-shaped groove, the upper end face of the waist-shaped groove is provided with the limiting cover, the turbine main body 10 can be limited through the limiting cover, the power is switched on, regular vortices are alternately generated on two sides of the outer side of the turbine main body 10 provided with the blades when the media are conveyed, further, a vortex frequency signal can be converted and transmitted through the magnetoelectric induction converter 6 and the preamplifier 5, and the medium flow inside the flowmeter shell 1 is monitored in real time, fixed seal block 9 and joint support frame 8 pass through the screw connection fixedly, and then through carrying out the dismouting to locking plate 3 and go-between 2 when overhauing turbine main part 10, make take out joint support frame 8 and fixed seal block 9 from flowmeter casing 1's inboard and can take out the maintenance operation to turbine main part 10, high durability and convenient use, fix locking plate 3 through go-between 2, and then lock joint support frame 8, be convenient for keep the stability and the leakproofness of structure, through operation regulation pole 13, adjust pole 13 and adapter sleeve 14 and pass through threaded connection, make regulation pole 13 drive fly leaf 15 slide in fixed limiting plate 16's inboard, and then change medium flow state and flow, and then detect the flow through turbine main part 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an anticorrosive vortex street flowmeter of high accuracy, includes flowmeter casing (1), its characterized in that: the pressure regulating device is characterized in that a pressure regulating mechanism (4) is fixedly mounted on the inner side of one end of the flowmeter shell (1), a corrosion-resistant lining (12) is fixedly mounted on the inner side of the flowmeter shell (1), a connecting support frame (8) is connected to the inner side of the corrosion-resistant lining (12) in a sliding manner, a fixed sealing block (9) is fixedly mounted on the inner side of the bottom end of the connecting support frame (8), a locking plate (3) is mounted on the lower end face of the connecting support frame (8), connecting rings (2) are fixedly mounted at the two ends of the locking plate (3), a turbine main body (10) is connected to the inner side of the upper end of the connecting support frame (8) in a sliding manner, flow guide end heads (11) are arranged on the outer sides of the two ends of the turbine main body (10), a sealing sleeve (7) is fixedly mounted on the inner side of the upper end of the corrosion-resistant lining (12) above the turbine main body (10), and a magnetoelectric induction converter (6) is arranged on the inner side of the sealing sleeve (7), and a preamplifier (5) is fixedly arranged on the inner side of the upper end of the sealing sleeve (7).

2. A high accuracy corrosion prevention vortex shedding flowmeter according to claim 1, wherein: pressure regulating mechanism (4) are including adjusting pole (13), adapter sleeve (14), fly leaf (15) and fixed limiting plate (16), the inboard sliding connection of fixed limiting plate (16) has fly leaf (15), regulation pole (13) are installed to the inboard of fly leaf (15) upper end, adapter sleeve (14) are installed in the outside of adjusting pole (13) middle part.

3. A high accuracy corrosion prevention vortex shedding flowmeter according to claim 1, wherein: the bottom of connect support frame (8) runs through the up end that the both ends of fixed seal piece (9) extended to locking plate (3), connect support frame (8) and fixed seal piece (9) are fixed through the screw connection, go-between (2) are all fixed through the screw connection with the both ends of locking plate (3).

4. A high accuracy corrosion prevention vortex shedding flowmeter according to claim 1, wherein: the upper end of the connecting support frame (8) is provided with a waist-shaped groove, the two ends of the turbine main body (10) extend to the inner side of the waist-shaped groove, and a limiting cover is arranged on the upper end face of the waist-shaped groove.

5. A high accuracy corrosion prevention vortex shedding flowmeter according to claim 1, wherein: the two ends of the corrosion-resistant lining (12) are connected with the flowmeter shell (1) through sealing rings, and a flow guide ring is arranged on the inner side of one end of the corrosion-resistant lining (12).

6. A high accuracy corrosion prevention vortex shedding flowmeter according to claim 2, wherein: the bottom of adjusting pole (13) runs through the inboard that adapter sleeve (14) extended to fly leaf (15), adjust pole (13) and adapter sleeve (14) and pass through threaded connection, the inboard of fixed limiting plate (16) is provided with the spout, the outside of fly leaf (15) extends to the inboard of spout.