CN115200663A - Turbine flowmeter with impeller self-cleaning function - Google Patents

Abstract

The invention discloses a turbine flowmeter with a self-cleaning function of an impeller, which belongs to the technical field of flowmeters, and the scheme effectively avoids the situation that scale is solidified on the turbine blades to obstruct the rotation of the turbine blades due to the fact that two groups of turbine blades are arranged on a turbine disc and alternately work at intervals, so that the situation that the rotation of the turbine blades is obstructed due to the fact that the same group of turbine blades continuously work is avoided, the accuracy of flow measurement is improved, the turbine blades are embedded into a self-cleaning groove through an electromagnet attracting a permanent magnet, an abrasion sheet generates micro displacement through the rotation of the turbine disc, the scale on the surfaces of the turbine blades is scraped, the cleanliness of the turbine blades is improved, an eccentric catalytic grinding ball rotates due to the rotation of the turbine disc, partial acetic acid solution is absorbed by an eccentric cavity and is released to the surfaces of the turbine blades after internal circulation of a catalytic metal block, effective cleaning treatment is carried out on the scale on the surfaces of the turbine blades, the cleanliness of the turbine blades is further improved, and the accuracy of the flowmeters is improved.

Description

Turbine flowmeter with impeller self-cleaning function

Technical Field

The invention relates to the technical field of flowmeters, in particular to a turbine flowmeter with an impeller self-cleaning function.

Background

The flow meter is defined as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval. Briefly, the flowmeter is used for measuring the flow rate of fluid in a pipeline or an open channel, and is classified into a differential pressure flowmeter, a rotor flowmeter, a throttling flowmeter, a slit flowmeter, a volume flowmeter, an electromagnetic flowmeter, an ultrasonic flowmeter and the like. Classifying according to media: liquid flow meters and gas flow meters.

Along with the development of society, the flowmeter has more and more important position in national life and industrial production, need control the flow of all kinds of liquid, and the flowmeter that people can contact in daily life is exactly the flowmeter of running water, monitors people daily life water, but because the running water can contain slightly soluble material in the aquatic, uses for a long time and can make these materials adhere to on the turbine leaf and influence the rotation of turbine leaf, causes the measurement of flowmeter not accurate enough.

Therefore, a turbine flowmeter with an impeller self-cleaning function is provided to effectively solve the problems in the prior art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a turbine flowmeter with a self-cleaning function of an impeller, two groups of turbine blades are arranged on a turbine disc and alternately work at intervals, so that the condition that scale is solidified on the turbine blades to obstruct the rotation of the turbine blades due to continuous work of the same group of turbine blades is effectively avoided, the accuracy of flow measurement is improved, the turbine blades are embedded into a self-cleaning groove by utilizing an electromagnet to attract a permanent magnet, the friction sheet generates micro displacement by utilizing the rotation of the turbine disc, the scale on the surfaces of the turbine blades is scraped, the cleanliness of the turbine blades is improved, an eccentric catalytic grinding ball continuously rotates by virtue of the rotation of the turbine disc, partial acetic acid solution is absorbed by an eccentric cavity and released to the surfaces of the turbine blades after internal circulation of a catalytic metal block, the scale on the surfaces of the turbine blades is effectively cleaned, the cleanliness of the turbine blades is further improved, and the accuracy of the flowmeter is further improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides a turbine flowmeter with self-cleaning function of impeller, which comprises a pipeline, the inside wake awl that is equipped with of pipeline, the wake awl includes that the left end is equipped with self-cleaning turbine fan, self-cleaning turbine fan includes the turbine dish, turbine dish both ends all are equipped with the sealing ring, sealing ring seal rotation connects in the wake awl, turbine dish outer wall is equipped with two sets of self-cleaning grooves, self-cleaning inslot portion slides and is equipped with the turbine leaf, turbine leaf bottom is equipped with the permanent magnet, the permanent magnet of two sets of turbine leaves is kept away from turbine leaf one end magnetism opposite, the inside electro-magnet that corresponds with self-cleaning groove position that is equipped with of turbine dish, self-cleaning inslot wall is equipped with a plurality of friction pieces, self-cleaning groove lateral wall rotates and is equipped with eccentric catalysis ball of polishing, the inside stock solution chamber of seting up with eccentric catalysis ball position of polishing, stock solution intracavity portion is filled has high concentration acetic acid solution, eccentric catalysis ball of polishing includes wear-resistant sphere, wear-resistant spheroid internal filling has the catalysis metal piece, the eccentric chamber has been seted up close to wear-resistant spheroid inner wall, wear-resistant spheroid outer wall has seted up and has communicated to eccentric intracavity portion's convection hole, the pipeline outside is equipped with the counter, the counter is connected in self-cleaning turbine fan through drive assembly.

Furthermore, a large number of mutually communicated gaps are formed in the interior of the catalytic metal block, and the interior of the catalytic metal block is polished to obtain a rough surface.

Furthermore, the friction sheet is made of flexible wear-resistant materials and is obliquely and downwards arranged from two sides to the middle.

Furthermore, the turbine disc is internally provided with a dirt collecting cavity corresponding to the bottom of the self-cleaning tank, and the bottom of the self-cleaning tank is connected to the inside of the dirt collecting cavity through the conical communicating hole.

Furthermore, the inner wall of the sewage collecting cavity is provided with an attaching layer, and the attaching layer is polished to obtain a rough surface.

Furthermore, a liquid guiding fiber layer is laid on the outer wall of the wear-resistant ball body, and a large amount of quartz sand is arranged inside the liquid guiding fiber layer.

Furthermore, the left end of the self-cleaning turbofan is provided with an internal rotation rectifier, the internal rotation rectifier comprises a conical head, the outer wall of the conical head is provided with a plurality of rectifying blades, and the right end of the conical head is provided with a sealing ring groove corresponding to the sealing ring.

Further, the outer wall of the rectifying blade is polished to obtain a smooth surface.

Furthermore, a stop block corresponding to the permanent magnet is arranged at the opening of the self-cleaning groove, and the self-cleaning groove is of a conical structure with a small head upward.

Further, the pipeline both ends are equipped with the ring flange, and a plurality of bolt holes have been seted up to annular equidistance on the ring flange, and the bolt hole is inside to be equipped with the rubber shock absorber layer, and the ring flange is kept away from pipeline one end and is equipped with sealed the pad.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) This scheme is through setting up two sets of turbine blades on the turbine dish, interval alternate work, effectively avoid same group of turbine blades to last work to lead to the incrustation scale to solidify and cause the circumstances that hinders turbine blade pivoted on the turbine blade, flow measurement's accuracy nature has been improved, utilize the electromagnet to attract the permanent magnet to make the self-cleaning inslot portion of turbine blade embedding, the rotation of utilizing the turbine dish makes the friction piece produce small displacement, the incrustation scale process scraping to turbine blade surface, the cleanliness factor of turbine blade has been improved, the turbine dish rotates and makes eccentric catalysis ball of polishing constantly rotate, the partial acetic acid solution is absorbed in the eccentric chamber of cooperation, release to turbine blade surface behind catalysis metal block inner loop, carry out effectual cleaning to the incrustation scale on turbine blade surface, the cleanliness factor of turbine blade has further been improved, and then the precision of flowmeter has been improved.

(2) Inside the space of seting up a large amount of intercommunications each other of catalytic metal piece in this scheme, the inside processing of catalytic metal piece obtains rough surface through polishing, utilizes catalytic metal piece can improve the decomposition efficiency of acetic acid to the incrustation scale, utilizes acetic acid to circulate through a large amount of gaps then discharge and make it possess higher activity simultaneously, and rough surface has then improved the area of contact of acetic acid with catalytic metal piece.

(3) The friction piece in this scheme adopts flexible wear-resistant material to make, and the friction piece is by both sides toward middle slope arrange downwards, utilizes the friction piece of arranging downwards toward middle slope by both sides, can peel off the loose incrustation scale in turbine blade surface when the self-cleaning groove of turbine blade roll-off, reduces incrustation scale pollution water.

(4) The dirty chamber of collection that corresponds with self-cleaning tank bottom position is seted up to turbine dish inside in this scheme, and self-cleaning tank bottom portion passes through the taper intercommunicating pore and connects in the dirty intracavity portion of collection, and the dirty intracavity wall of collection is equipped with depends on the layer, depends on the layer and obtains rough surface through the processing of polishing, utilizes the dirty chamber of collection to collect the incrustation scale after peeling off to make the incrustation scale adsorb at coarse depending on the layer surface, effectively avoided the incrustation scale to rock at the dirty intracavity portion of collection and cause turbine dish unstable rotation, improved the accuracy of advancing of flowmeter.

(5) The wear-resisting spheroid outer wall in this scheme has laid the drain fibrous layer, and the inside quartz sand that is equipped with of drain fibrous layer utilizes the drain fibrous layer to make more even that the acetic acid solution distributes, and the cooperation quartz sand has improved the efficiency of peeling off to turbine blade surface incrustation scale.

(6) Self-cleaning turbofan left end in this scheme is equipped with internal rotation rectifier, and internal rotation rectifier includes the cone, and the cone outer wall is equipped with a plurality of rectifier blades, and the sealed annular that corresponds with the sealing ring position is seted up to the cone right-hand member, and the rectifier blade outer wall obtains smooth surface through the processing of polishing, utilizes rectifier blade to cushion rivers and combs, reduces rivers and meets the barrier suddenly and the vortex phenomenon that produces, has improved turbine dish pivoted stability.

Drawings

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

FIG. 2 is an exploded view of the main structure of the present invention;

FIG. 3 is a schematic view of the wake cone structure of the present invention;

FIG. 4 is a schematic structural view of a self-cleaning turbofan according to the present invention;

FIG. 5 is a cross-sectional view of a self-cleaning turbofan according to the invention;

FIG. 6 is an enlarged view of the point A in FIG. 5;

FIG. 7 is an enlarged view of B in FIG. 5;

FIG. 8 is a cross-sectional view of an eccentric catalytic grinding ball of the present invention;

FIG. 9 is a schematic view of an internal rotation rectifier according to the present invention;

fig. 10 is a partial sectional view of the main structure of the present invention in an operating state.

The reference numbers in the figures illustrate:

the device comprises a pipeline 1, a flange plate 11, a counter 2, an internal rotation rectifier 3, a conical head 31, a rectifying blade 32, a self-cleaning turbine fan 4, a turbine disc 41, a sealing ring 411, a self-cleaning groove 412, a dirt collecting cavity 413, a liquid storage cavity 414, a turbine blade 42, a permanent magnet 421, an eccentric catalytic grinding ball 43, a wear-resistant ball 431, an eccentric cavity 432, a catalytic metal block 433, a convection hole 434, a friction sheet 44, a tail flow cone 5 and a transmission assembly 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-8, a turbine flowmeter with impeller self-cleaning function includes a pipeline 1, a wake cone 5 is disposed inside the pipeline 1, the wake cone 5 includes a self-cleaning turbine fan 4 disposed at the left end, the self-cleaning turbine fan 4 includes a turbine disc 41, sealing rings 411 are disposed at two ends of the turbine disc 41, the sealing rings 411 are connected to the wake cone 5 in a sealing and rotating manner, two sets of self-cleaning grooves 412 are disposed on the outer wall of the turbine disc 41, turbine blades 42 are slidably disposed inside the self-cleaning grooves 412, permanent magnets 421 are disposed at the bottoms of the turbine blades 42, the magnetic polarities of the permanent magnets 421 of the two sets of turbine blades 42 far from the ends of the turbine blades 42 are opposite, an electromagnet corresponding to the positions of the self-cleaning grooves 412 is disposed inside the turbine disc 41, self-cleaning groove 412 inner wall is equipped with a plurality of friction pieces 44, self-cleaning groove 412 lateral wall rotates and is equipped with eccentric catalysis ball 43 of polishing, turbine disc 41 is inside to be seted up and to polish stock solution chamber 414 that 43 positions correspond with eccentric catalysis, stock solution chamber 414 inside packing has high concentration acetic acid solution, eccentric catalysis ball 43 of polishing includes wear-resisting spheroid 431, wear-resisting spheroid 431 inside packing has catalytic metal piece 433, catalytic metal piece 433 is close to wear-resisting spheroid 431 inner wall and has been seted up eccentric chamber 432, wear-resisting spheroid 431 outer wall has been seted up and has been linked to the inside convection hole 434 in eccentric chamber 432, pipeline 1 outside is equipped with counter 2, counter 2 passes through drive assembly 6 and connects in self-cleaning turbofan 4.

Please refer to fig. 5, dirty chamber 413 of collection that corresponds with the dirty chamber 412 bottom position of self-cleaning groove is seted up to turbine disc 41 inside, the dirty chamber 413 of self-cleaning groove 412 bottom is connected inside album dirty chamber 413 through the taper intercommunicating pore, dirty chamber 413 inner wall of collection is equipped with and depends on the layer, it obtains rough surface through the processing of polishing to depend on the layer, utilize dirty chamber 413 of collection to collect the incrustation scale after peeling off, and make the incrustation scale adsorb at the coarse layer surface of depending on, effectively avoided the incrustation scale to rock in dirty chamber 413 of collection and cause turbine disc 41 unstable rotation, the accuracy of advancing of flowmeter has been improved.

Referring to fig. 6, the friction sheet 44 is made of a flexible wear-resistant material, the friction sheet 44 is arranged from two sides to the middle in an inclined and downward manner, and the friction sheet 44 arranged from two sides to the middle in an inclined and downward manner can strip loose scale on the surface of the turbine blade 42 when the turbine blade 42 slides out of the self-cleaning groove 412, so as to reduce water pollution caused by the scale.

Referring to fig. 8, a large number of mutually communicated gaps are formed inside the catalytic metal block 433, a rough surface is obtained by polishing the inside of the catalytic metal block 433, the decomposition efficiency of acetic acid on scale can be improved by using the catalytic metal block 433, acetic acid is circulated through the large number of gaps and then discharged to have higher activity, and the contact area between the acetic acid and the catalytic metal block 433 is increased by the rough surface.

The outer wall of the wear-resistant sphere 431 is laid with the liquid guiding fiber layer, the inside of the liquid guiding fiber layer is provided with a large amount of quartz sand, the acetic acid solution is more uniformly distributed by utilizing the liquid guiding fiber layer, and the stripping efficiency of the scale on the surface of the turbine blade 42 is improved by matching with the quartz sand.

Referring to fig. 9, the left end of the self-cleaning turbofan 4 is provided with the internal rotation rectifier 3, the internal rotation rectifier 3 includes a conical head 31, the outer wall of the conical head 31 is provided with a plurality of rectifying blades 32, the right end of the conical head 31 is provided with a sealing ring groove corresponding to the position of the sealing ring 411, the outer wall of the rectifying blade 32 is polished to obtain a smooth surface, the rectifying blades 32 are used for buffering and carding the water flow, so that the vortex phenomenon generated when the water flow suddenly encounters an obstacle is reduced, and the rotating stability of the turbine disc 41 is improved.

It should be added that, referring to fig. 1 and 6, a stop corresponding to the position of the permanent magnet 421 is disposed at the opening of the self-cleaning groove 412, the self-cleaning groove 412 is in a tapered structure with a small end facing upwards, the two ends of the pipeline 1 are provided with flanges 11, a plurality of bolt holes are disposed on the flanges 11 at equal intervals in an annular manner, rubber shock absorbing layers are disposed inside the bolt holes, and a sealing pad is disposed at one end of the flange 11 away from the pipeline 1.

Before installing the flowmeter, the staff first needs to fill the interior of the liquid storage cavity 414 with sufficient acetic acid solution;

when the flowmeter works, please refer to fig. 5-10, wherein one group of turbine blades 42 is immersed in the self-cleaning groove 412, the other group of turbine blades 42 is extended out of the self-cleaning groove 412, so that the self-cleaning turbine fan 4 drives the counter 2 to perform metering, two groups of turbine blades 42 are exchanged at intervals, the electromagnet is used for attracting the permanent magnet 421 to enable the turbine blades 42 to be embedded into the self-cleaning groove 412, the rotation of the turbine disc 41 is used for enabling the friction sheet 44 to generate micro displacement, the scale on the surface of the turbine blades 42 is scraped, the cleanliness of the turbine blades 42 is improved, the eccentric catalytic grinding ball 43 continuously rotates due to the rotation of the turbine disc 41, the eccentric cavity 432 is matched to absorb part of acetic acid solution, the acetic acid solution is released to the surface of the turbine blades 42 after internal circulation of the catalytic metal block 433, effective cleaning treatment is performed on the scale on the surface of the turbine blades 42, the cleanliness of the turbine blades 42 is further improved, the accuracy of the flowmeter is further improved, the peeled scale enters the dirt collecting cavity 413, and is enabled to be roughly adsorbed on the surface of the scale, and unstable rotation of the turbine disc 41 caused by the shaking of the scale collecting cavity 413 is effectively avoided, and the accuracy of the flowmeter is improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.

Claims (10)

1. A turbine flowmeter with impeller self-cleaning function, includes pipeline (1), its characterized in that: pipeline (1) inside is equipped with tail stream awl (5), tail stream awl (5) are equipped with self-cleaning turbine fan (4) including the left end, self-cleaning turbine fan (4) are including turbine disc (41), turbine disc (41) both ends all are equipped with sealing ring (411), sealing ring (411) are sealed to be rotated and are connected in tail stream awl (5), turbine disc (41) outer wall is equipped with two sets of self-cleaning groove (412), self-cleaning groove (412) inside slip is equipped with turbine leaf (42), turbine leaf (42) bottom is equipped with permanent magnet (421), and is two sets of turbine leaf (42) one end magnetism is kept away from to permanent magnet (421) of turbine leaf (42) is opposite, turbine disc (41) inside is equipped with the electro-magnet that corresponds with self-cleaning groove (412) position, self-cleaning groove (412) inner wall is equipped with a plurality of friction pieces (44), the lateral wall of turbine disc (412) rotates and is equipped with eccentric catalysis ball (43) of polishing, turbine disc (41) inside has seted up stock solution chamber (414) that corresponds with eccentric catalysis ball (43) of polishing, wear-resisting chamber (414) inside is filled has been equipped with catalysis ball (431) of high concentration ball (431), and has been close to self-cleaning ball (431) inner wall (431), high concentration ball (431) of catalysis ball (431) and has been seted up the ball (431) of catalysis ball (431), and has been close to self-wear-resisting ball (431) inner wall (431), self-resisting ball (431) inner wall (431), high concentration ball (431) of wear-resisting ball (41) The outer wall of the wear-resistant sphere (431) is provided with a convection hole (434) communicated to the inside of the eccentric cavity (432), the outside of the pipeline (1) is provided with a counter (2), and the counter (2) is connected to the self-cleaning turbine fan (4) through a transmission assembly (6).

2. The turbine flowmeter having the impeller self-cleaning function according to claim 1, characterized in that: a large number of mutually communicated gaps are formed in the catalytic metal block (433), and a rough surface is obtained by polishing the inside of the catalytic metal block (433).

3. A turbine flow meter with self-cleaning of the impeller in accordance with claim 1, wherein: the friction sheet (44) is made of flexible wear-resistant materials, and the friction sheet (44) is arranged from two sides to the middle in an inclined and downward mode.

4. The turbine flowmeter having the impeller self-cleaning function according to claim 1, characterized in that: the inside dirty chamber (413) that collects that corresponds with self-cleaning groove (412) bottom position of seting up of turbine disc (41), self-cleaning groove (412) bottom is connected in dirty chamber (413) inside of collecting through the toper intercommunicating pore.

5. The turbine flowmeter having the impeller self-cleaning function according to claim 4, characterized in that: dirty chamber (413) inner wall of collection is equipped with and depends on the layer, depend on the layer and obtain rough surface through the processing of polishing.

6. The turbine flowmeter having the impeller self-cleaning function according to claim 1, characterized in that: the outer wall of the wear-resistant sphere (431) is laid with a liquid guide fiber layer, and a large amount of quartz sand is arranged inside the liquid guide fiber layer.

7. A turbine flow meter with self-cleaning of the impeller in accordance with claim 1, wherein: self-cleaning turbofan (4) left end is equipped with internal rotation rectifier (3), internal rotation rectifier (3) are including cone (31), cone (31) outer wall is equipped with a plurality of rectifier blade (32), the sealed annular that corresponds with sealing ring (411) position is seted up to cone (31) right-hand member.

8. The turbine flow meter with impeller self-cleaning function of claim 7, wherein: the outer wall of the rectifying blade (32) is polished to obtain a smooth surface.

9. The turbine flowmeter having the impeller self-cleaning function according to claim 1, characterized in that: a stop block corresponding to the position of the permanent magnet (421) is arranged at the opening of the self-cleaning groove (412), and the self-cleaning groove (412) is of a conical structure with a small head upward.

10. The turbine flowmeter having the impeller self-cleaning function according to claim 1, characterized in that: pipeline (1) both ends are equipped with ring flange (11), a plurality of bolt holes have been seted up to annular equidistance on ring flange (11), the bolt hole is inside to be equipped with the rubber shock absorber layer, ring flange (11) are kept away from pipeline (1) one end and are equipped with sealed the pad.

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