CN218411294U

CN218411294U - Gas turbine flowmeter

Info

Publication number: CN218411294U
Application number: CN202222845574.1U
Authority: CN
Inventors: 王贤健; 吕锡文; 孙文; 冯旭; 孙鹏; 王艳华
Original assignee: Dalian Metern Measurement And Control System Co ltd
Current assignee: Dalian Metern Measurement And Control System Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-01-31
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a gas turbine flowmeter, include: the impeller is rotatably arranged in the transverse pipe, the flow guide sleeves are arranged in the transverse pipe and positioned on two sides of the impeller, and the display gauge outfit is arranged at the top of the transverse pipe; the filter bin, the left side welding of filtering the bin has the intake pipe, filter the inside both sides in bin and all install the filter screen. This gaseous turbine flowmeter, two filter screens carry out dual filtration around gaseous process straining storehouse is inside, and the gas after the filtration makes the gas that gets into violently managing inside be in the gas of clean free from admixture, and then avoids gaseous inside impurity to stop and the adhesion causes the erosion on kuppe and impeller, is favorable to the life of extension fixture, and its structure is optimized more, the design is more reasonable.

Description

Gas turbine flowmeter

Technical Field

The utility model relates to a gas turbine flowmeter field specifically is a gas turbine flowmeter.

Background

The gas turbine flowmeter is mainly used for measuring the flow of fluid media in industry, is hardly influenced by parameters such as fluid density, pressure, temperature, viscosity and the like during measurement, and has no movable mechanical parts, so that the gas turbine flowmeter has high reliability and small maintenance amount, and instrument parameters can be stable for a long time.

The gas passing through the turbine flowmeter may carry impurities, and the impurities may stay and adhere to the inside of the turbine flowmeter when passing through the turbine flowmeter, so that the impurities corrode and damage the internal structure of the turbine flowmeter, and the structure is not optimized and the design is not reasonable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas turbine flowmeter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas turbine flow meter comprising:

the impeller is rotatably arranged in the transverse pipe, the flow guide sleeves are arranged in the transverse pipe and positioned on two sides of the impeller, and the display gauge outfit is arranged at the top of the transverse pipe;

the filter bin, the left side welding of filtering the bin has the intake pipe, filter the inside both sides in bin and all install the filter screen.

As a further aspect of the present invention: the inside of filter screen is vertical slidable mounting and has two lifter plates, one side that the lifter plate is close to the filter screen is installed and is used for carrying out the brush hair of clearance to the filter screen.

As a further aspect of the present invention: the forked tail slider is all installed with the both sides at the back to cross the positive and the back of filter bin inner wall, and the forked tail sliding opening with forked tail slider sliding connection is all seted up with the back in the front of lifter plate.

As a further aspect of the present invention: the welding of the top of crossing the filter bin has the sealed cowling, the inside of sealed cowling is vertical spacing slip and is provided with the driving plate, the ejector pin is all installed to the both sides of driving plate bottom, and the bottom of ejector pin and the top fixed connection of lifter plate, driving motor is installed at the top of sealed cowling, driving motor's drive end is located the inside of sealed cowling to install the threaded rod.

As the utility model discloses further scheme again: the two sides of the top of the filter bin are both provided with through holes for the ejector rods to penetrate through, sealing rings are bonded inside the through holes, and the ejector rods penetrate through inner holes of the sealing rings and are in interference fit with the sealing rings.

As a further aspect of the present invention: the bottom of filtering the storehouse and being located the both sides of filter screen and all having seted up two ash washing mouths, the bottom of filtering the storehouse is installed the ash collecting cover, the internally mounted of the perpendicular pipe end of ash collecting cover has axial fan, metal collapsible tube is installed through the removable metal collapsible tube that installs of screw in the end of giving vent to anger of ash collecting cover, and the inside head of metal collapsible tube installs the filter screen bag.

As the utility model discloses further scheme again: an air return pipe is installed at an air inlet on the left side of the bottom of the transverse pipe, and an air inlet of the air return pipe is connected with the tail end of the metal hose.

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

1. the utility model discloses, two filter screens carry out dual filtration around gaseous process straining storehouse is inside, and gaseous after the filtration makes the gaseous of violently managing inside of entering be in clean impurity-free gas in the inside of entering into violently pipe, and then avoids gaseous inside impurity to stop and the adhesion causes the erosion on kuppe and impeller, is favorable to extension fixture's life, and its structure is optimized more, the design is more reasonable.

2. The utility model discloses, the positive reverse rotation of threaded rod can drive the driving plate and carry out downward or rebound, and then drives lifter plate and brush hair through the ejector pin and carry out vertical upwards or rebound, and during the first rebound of brush hair, can clear up the filter screen, and then realize clearing up the impurity that filters off on the filter screen, realize carrying out the automatically cleaning to the filter screen, avoid the filtration pore of filter screen to block up the circulation that influences in the gaseous unit interval.

3. This practicality, when the clearance, also can open the control valve on the muffler to start axial fan, axial fan produces negative pressure suction, absorbs the dust that the clearance filter screen produced, and carry the inside of filter screen bag with the dust, if when not shutting down clearing up the filter screen, gaseous can be through metal collapsible tube and muffler heavy return to the inside of violently managing, the dust can not enter into the inside of violently managing through the filter screen bag filtration.

Drawings

FIG. 1 is a schematic diagram of a gas turbine flow meter;

FIG. 2 is a cross-sectional view of a filter cartridge in a gas turbine flow meter;

fig. 3 is a schematic structural view of a dust collection cover in a gas turbine flowmeter.

In the figure: the device comprises a transverse pipe 1, a display gauge head 2, an impeller 3, a flow guide cover 4, an air return pipe 5, an air inlet pipe 6, a filter bin 7, a sealing cover 8, a driving motor 9, a dovetail slide block 10, an ejector rod 11, a threaded rod 12, a driving plate 13, an ash washing port 14, a filter screen 15, a dovetail slide port 16, bristles 17, a lifting plate 18, a sealing ring 19, a through hole 20, an ash collection cover 21, an axial flow fan 22, a filter screen bag 23 and a metal hose 24.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution, a gas turbine flowmeter, including:

the device comprises a transverse pipe 1, wherein an impeller 3 is rotatably arranged in the transverse pipe 1, air guide sleeves 4 are arranged in the transverse pipe 1 and positioned on two sides of the impeller 3, and a display gauge head 2 is arranged at the top of the transverse pipe 1;

cross filter bin 7, and the both sides of crossing filter bin 7 are run through and have been seted up the intercommunicating pore, violently manage 1 welding on the right side of crossing filter bin 7, the left side welding of filter bin 7 has intake pipe 6, violently manage 1 right side and intake pipe 6's left side and all have been welded the ring flange, filter screen 15 is all installed to the inside both sides of filter bin 7, gas gets into the inside of crossing filter bin 7 from intake pipe 6, two filter screens 15 carry out dual filtration around through filter bin 7 is inside, gas after the filtration is in the inside that gets into violently pipe 1, make the gas that gets into violently pipe 1 inside be in clean impurity-free gas, and then avoid gaseous inside impurity to stop and the adhesion cause the erosion on kuppe 4 and impeller 3, be favorable to extension fixture's life, its structure is optimized more, the design is more reasonable.

The inside of filter screen 15 is vertical slidable mounting and has two lifter plates 18, and every lifter plate 18 is just to a filter screen 15 to be located the front side of filter screen 15 filtering surface, the brush hair 17 that is used for clearing up filter screen 15 is installed to one side that lifter plate 18 is close to filter screen 15.

Dovetail sliders 10 are installed on the front face and the back face of the inner wall of the filtering bin 7, and dovetail sliding openings 16 which are connected with the dovetail sliders 10 in a sliding mode are formed in the front face and the back face of the lifting plate 18.

The welding of the top of cross filter bin 7 has sealed cowling 8, and the bottom of sealed cowling 8 is uncovered form, the battery box is installed to one side of sealed cowling 8, and install the switch on the battery box, the inside of sealed cowling 8 is vertical spacing slip and is provided with driving plate 13, ejector pin 11 is all installed to the both sides of driving plate 13 bottom, and the bottom of ejector pin 11 and the top fixed connection of lifter plate 18, driving motor 9 is installed at the top of sealed cowling 8, driving motor 9's drive end is located the inside of sealed cowling 8, and install threaded rod 12, and the top of driving plate 13 set up the screw hole with 12 threaded connection of threaded rod, the gib block is all installed to the both sides of sealed cowling 8 inner wall, and the spout with gib block sliding connection is seted up to the both sides of driving plate 13.

Under the vertical screw drive effect of threaded rod 12 and driving plate 13, the positive reverse rotation of threaded rod 12 can drive driving plate 13 and carry out downward or rebound, and then drive lifter plate 18 and brush hair 17 through ejector pin 11 and carry out vertical upwards or rebound, when the earlier rebound of brush hair 17, can clear up filter screen 15, and then realize clearing up the impurity of crossing off on filter screen 15, realize carrying out the automatically cleaning to filter screen 15, avoid filter screen 15's filtration pore to block up the circulation that influences in the gaseous unit interval.

Both sides of the top of the filter bin 7 are provided with through holes 20 for the ejector rods 11 to pass through, sealing rings 19 are bonded inside the through holes 20, and the ejector rods 11 pass through inner holes of the sealing rings 19 and are in interference fit with the sealing rings 19.

Two ash washing openings 14 are formed in the bottom of the filtering bin 7 and located on two sides of the filtering net 15, an ash collecting cover 21 is installed at the bottom of the filtering bin 7, a control box is installed on the side edge of the ash collecting cover 21, a power supply and a circuit board switch are arranged inside the control box, an axial flow fan 22 is installed inside the vertical pipe end of the ash collecting cover 21, a metal hose 24 is detachably installed at the air outlet end of the ash collecting cover 21 through threads, and a filtering net bag 23 is installed at the head inside the metal hose 24.

An air return pipe 5 is arranged at the air inlet on the left side of the bottom of the transverse pipe 1, a control valve is arranged on the air return pipe 5, and the air inlet of the air return pipe 5 is connected with the tail end of the metal hose 24.

When the clearance, also can open the control valve on the muffler 5, and start axial fan 22, axial fan 22 produces negative pressure suction, absorb the dust that will clear up filter screen 15 production, and carry the inside of filter screen bag 23 with the dust, if when clearing up filter screen 15 in the non-stop, gaseous can be through metal collapsible tube 24 and muffler 5 inside of violently managing 1 again, the dust filters through filter screen bag 23 and can not enter into the inside of violently managing 1.

The utility model discloses a theory of operation is:

when in use, the turbine flowmeter is arranged on a pipeline through the flange plates at two sides;

the gas enters the interior of the filtering bin 7 from the gas inlet pipe 6, is subjected to double filtering through the front and rear filtering nets 15 in the filtering bin 7, and enters the interior of the transverse pipe 1, so that the gas entering the interior of the transverse pipe 1 is clean and free of impurities;

the principle of cleaning the filter screen 15 is as follows:

the driving motor 9 starts the threaded rod 12 to rotate forward and backward, the forward and backward rotation of the threaded rod 12 can drive the transmission plate 13 to move downwards or upwards under the vertical thread transmission action of the threaded rod 12 and the transmission plate 13, the ejector rod 11 further drives the lifting plate 18 and the bristles 17 to move vertically upwards or downwards, and when the bristles 17 move downwards and upwards firstly, the filter screen 15 can be cleaned;

during cleaning, a control valve on the air return pipe 5 can be opened, the axial flow fan 22 is started, the axial flow fan 22 generates negative pressure suction, dust generated by cleaning the filter screen 15 is absorbed, and the dust is conveyed to the inside of the filter screen bag 23;

if the filter screen 15 is cleaned without stopping, the gas can be returned to the inside of the transverse pipe 1 through the metal hose 24 and the air return pipe 5, and the dust is filtered by the filter screen bag 23 and cannot enter the inside of the transverse pipe 1;

after cleaning, the control valve on the return air pipe 5 is closed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A gas turbine flow meter, characterized by: the method comprises the following steps:

the device comprises a transverse pipe (1), wherein an impeller (3) is rotatably arranged in the transverse pipe (1), air guide sleeves (4) are respectively arranged in the transverse pipe (1) and positioned on two sides of the impeller (3), and a display gauge head (2) is arranged at the top of the transverse pipe (1);

filter storehouse (7), the left side welding of filtering storehouse (7) has intake pipe (6), filter storehouse (7) inside both sides all install filter screen (15).

2. A gas turbine flow meter according to claim 1, wherein: the inside of filter screen (15) is vertical slidable mounting has two lifter plates (18), one side that lifter plate (18) are close to filter screen (15) is installed and is used for carrying out the brush hair (17) of clearing up filter screen (15).

3. A gas turbine flowmeter according to claim 2, wherein: dovetail sliding blocks (10) are installed on the front surface of the inner wall of the filtering bin (7) and the two sides of the back surface of the inner wall of the filtering bin, and dovetail sliding openings (16) which are connected with the dovetail sliding blocks (10) in a sliding mode are formed in the front surface and the back surface of the lifting plate (18).

4. A gas turbine flowmeter according to claim 2, wherein: the welding of the top of crossing filter bin (7) has sealed cowling (8), the inside of sealed cowling (8) is vertical spacing slip and is provided with driving plate (13), ejector pin (11) are all installed to the both sides of driving plate (13) bottom, and the top fixed connection of the bottom of ejector pin (11) and lifter plate (18), driving motor (9) are installed at the top of sealed cowling (8), the drive end of driving motor (9) is located the inside of sealed cowling (8) to install threaded rod (12).

5. A gas turbine flow meter according to claim 4, wherein: the two sides of the top of the filter bin (7) are all penetrated by a through hole (20) which is penetrated by the ejector rod (11), a sealing ring (19) is bonded inside the through hole (20), and the ejector rod (11) penetrates through an inner hole of the sealing ring (19) and is in interference fit with the sealing ring (19).

6. A gas turbine flowmeter according to claim 5, wherein: the bottom of filtering storehouse (7) and the both sides that are located filter screen (15) have all been seted up two and have been washed grey mouth (14), the bottom of filtering storehouse (7) is installed dust collection cover (21), the internally mounted of the perpendicular pipe end of dust collection cover (21) has axial fan (22), metal collapsible tube (24) are installed through the screw thread removable to the end of giving vent to anger of dust collection cover (21), and filter screen bag (23) are installed to the inside head of metal collapsible tube (24).

7. A gas turbine flow meter according to claim 6, wherein: an air return pipe (5) is installed at an air inlet on the left side of the bottom of the transverse pipe (1), and an air inlet of the air return pipe (5) is connected with the tail end of the metal hose (24).