CN220194378U - Low-resistance Venturi dust remover - Google Patents

Abstract

The utility model discloses a low-resistance Venturi dust remover, which belongs to the field of Venturi dust removers and comprises a contraction section, a throat pipe, a diffusion section, a connecting joint, an annular cavity, a uniform distribution plate, a water inlet pipe and a contraction cover. The venturi tube structure is formed by the contraction section, the venturi tube and the diffusion section, when the venturi tube structure is used, gas enters the venturi tube through the contraction section to compress and accelerate at the position of the venturi tube, meanwhile, water enters the annular cavity through the water inlet pipe, enters the left side of the uniform distribution plate under the action of the uniform distribution plate, enters a gap between the contraction cover and the diffusion section through the connecting joint, is discharged from the right side of the gap, and is impacted into small water drops under the action of high-speed airflow on the right side of the contraction section, so that the small water drops are combined with dust in the gas, and meanwhile, a part of water drops impact the venturi tube and are attached to the venturi tube and the diffusion section, so that the friction resistance of the inner wall of the diffusion section of the venturi tube is reduced, and meanwhile, accumulated dust on the inner wall of the venturi tube is impacted, and blocking is avoided.

Description

Low-resistance Venturi dust remover

Technical Field

The utility model relates to the field of venturi dust collectors, in particular to a low-resistance venturi dust collector.

Background

A venturi scrubber is a commonly used air cleaning device that is capable of effectively removing dust and particulate matter generated in industrial and commercial production. This technology is known to the inventors of the present utility model as the karlo venturi of the italian engineer. The venturi scrubber was originally developed in the beginning of the 20 th century to address the serious dust problems that exist in the coal industry. It is a centrifugal dust collector that separates dust-containing gas by using centrifugal force and deposits the dust in a collector at the bottom of the apparatus.

Over time, venturi scrubbers gradually evolve into a variety of forms, including unit, bag, and electric precipitators, among others. At the same time, the technology is improved and perfected continuously, such as the adoption of more efficient collecting materials and filtering media, the addition of an airflow regulating system, an automatic ash removing device and the like. As an air purification technology developed and improved for many years, the venturi scrubber has a wide application value in industrial and commercial production, and can improve production efficiency and working environment quality.

The utility model patent 'a venturi dust remover (application number 202222770820.1)', which comprises a venturi tube, a first gas-liquid separator, a second gas-liquid separator, an atomizer and a defoaming element, wherein the width of a throat part is narrower in use, so that dust accumulated at the throat part is easy to cause blockage or the throat passage is narrowed under the dust accumulation effect, and the normal dust removal work is influenced.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and designs a low-resistance Venturi dust remover.

The technical scheme includes that the low-resistance venturi dust remover comprises a contraction section, a venturi tube, a diffusion section, a gas-liquid separation structure, a connecting seam, an annular cavity, a uniform distribution plate, a water inlet pipe and a contraction cover, wherein the right end of the contraction section is connected with the venturi tube, the right end of the venturi tube is connected with the diffusion section, the right end of the diffusion section is connected with the gas-liquid separation structure, a circle of connecting seam is formed on the right side of the contraction section, the annular cavity is fixedly sleeved on the outer wall of the contraction section outside the connecting seam, the uniform distribution plate is arranged on the right side of the inner joint of the annular cavity, the uniform distribution plate is of an annular plate-shaped structure and is provided with a plurality of small holes in an annular distribution mode, the upper portion of the right side of the annular cavity is connected with the water inlet pipe, the contraction cover is fixedly arranged on the inner wall of the contraction section inside the connecting seam, a gap is formed between the outer wall of the contraction cover and the inner wall of the contraction section, and the gap is communicated with the connecting seam.

Furthermore, a baffle is arranged in the annular cavity and fixedly arranged on the inner wall of the annular cavity on the left side of the water inlet pipe on the right side of the uniformly distributed plate.

Further, the gas-liquid separation structure comprises a cyclone separator, an air outlet, an ash bucket and a blanking valve, wherein the cyclone separator is fixedly connected with the right end of the diffusion section, the air outlet is arranged at the upper end of the cyclone separator, the ash bucket is arranged at the lower end of the cyclone separator, and the blanking valve is fixedly arranged at the lower end of the cyclone separator.

Further, the diameter of the small hole is smaller than that of the water inlet pipe.

Furthermore, the joint of the left end of the shrinkage cover and the inner wall of the shrinkage section is smooth and excessive.

The beneficial effects are that:

the utility model provides a low-resistance Venturi dust remover, which has the beneficial effects that through the structural design, the device forms a Venturi tube structure through a contraction section, a venturi tube and a diffusion section, when the device is used, gas enters into the venturi tube through the contraction section to compress and accelerate at the position of the venturi tube, meanwhile, water enters into an annular cavity through a water inlet pipe, enters into the left side of a uniform distribution plate under the action of the uniform distribution plate, enters into a gap between a contraction cover and the diffusion section through a connecting joint and then is discharged from the right side of the gap, the discharged water is impacted into small water drops under the action of high-speed airflow on the right side of the contraction section so as to be combined with dust in the gas, and meanwhile, a part of water drops impact the venturi tube and are attached to the diffusion section, so that the friction resistance of the inner wall of the venturi tube is reduced, and meanwhile, the accumulated dust on the inner wall of the venturi tube is impacted, and the blocking is avoided, and the problems in the prior art are solved.

Drawings

FIG. 1 is a schematic view of a low resistance venturi scrubber according to the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the low resistance venturi scrubber according to the present utility model;

FIG. 3 is a schematic side view of the equipartition plate of the low resistance venturi scrubber of the present utility model.

In the figure, 1, a contraction section; 2. a throat; 3. a diffusion section; 4. a connecting joint; 5. an annular cavity; 6. uniformly distributing plates; 7. a water inlet pipe; 8. a shrink cover; 9. a baffle; 10. a cyclone separator; 11. an air outlet; 12. an ash bucket; 13. and a blanking valve.

Detailed Description

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a low resistance venturi dust remover, includes shrink section 1, choke tube 2, diffusion section 3, connecting seam 4, annular chamber 5, equipartition board 6, drop tube 7, shrink cover 8, shrink section 1 right-hand member is connected with choke tube 2, choke tube 2 right-hand member is connected with diffusion section 3, diffusion section 3 right-hand member is connected with gas-liquid separation structure, shrink section 1 right side is opened there is round connecting seam 4, fixed cover is equipped with annular chamber 5 on the 1 outer wall of shrink section in the outside of connecting seam 4, equipartition board 6 is installed on annular chamber 5 inlayer seam 4 right side, equipartition board 6 is annular platelike structure and is annular on it and distributes and open a plurality of apertures, annular chamber 5 right side upper portion is connected with drop tube 7, fixed mounting shrink cover 8 on the 1 inner wall of shrink section inboard, shrink cover 8 outer wall distance shrink section 1 inner wall has the gap, gap and connecting seam 4 intercommunication.

In the utility model, the baffle plate 9 is arranged in the annular cavity 5, the baffle plate 9 is fixedly arranged on the inner wall of the annular cavity 5 at the left side of the water inlet pipe 7 at the right side of the uniform distribution plate 6, and the baffle plate 9 is used for shielding water flow impacted by the water inlet pipe 7, so that water flow is prevented from directly entering small holes on the uniform distribution plate 6 to cause uneven water distribution.

In the utility model, the gas-liquid separation structure comprises a cyclone separator 10, an air outlet 11, an ash bucket 12 and a blanking valve 13, wherein the cyclone separator 10 is fixedly connected with the right end of a diffusion section 3, the air outlet 11 is arranged at the upper end of the cyclone separator 10, the ash bucket 12 is arranged at the lower end of the cyclone separator 10, the blanking valve 13 is fixedly arranged at the lower end of the cyclone separator 10, gas enters the cyclone separator 10 for separation, then liquid falls into the ash bucket, the air outlet 11 discharges air, and the blanking valve 13 is opened to discharge the liquid, so that the gas-liquid separation is realized.

In the utility model, the diameter of the small hole is smaller than that of the water inlet pipe 7, so that water flow is uniformly distributed in a plurality of small holes to be discharged leftwards after being blocked on the right side of the small hole.

In the utility model, the joint of the left end of the shrinkage cover 8 and the inner wall of the shrinkage section 1 is smooth and excessive, thereby reducing vortex generated when air flow passes and reducing air resistance.

In this embodiment:

during operation, the venturi structure is formed by the contraction section 1, the venturi tube 2 and the diffusion section 3, gas enters the venturi tube 2 through the contraction section 1 to compress and accelerate in use, meanwhile, water enters the annular cavity 5 through the water inlet pipe 7, water enters the left side of the uniform distribution plate 6 under the action of the uniform distribution plate 6, then enters a gap between the contraction cover 8 and the diffusion section 3 through the connecting joint 4, and then is discharged from the right side of the gap, the discharged water is impacted into small water drops under the action of high-speed airflow on the right side of the contraction section 1, and then is combined with dust in the gas, and meanwhile, a part of water drops impact the venturi tube 2 and are attached to the venturi tube 2 and the diffusion section 3, and meanwhile, accumulated dust on the inner wall of the venturi tube 2 is impacted at the same time when friction resistance of the inner wall of the diffusion section 3 of the venturi tube 2 is reduced, so that blocking is avoided.

Claims (5)

1. The utility model provides a low resistance venturi dust remover, includes shrink section (1), choke (2), diffusion section (3), connecting seam (4), annular chamber (5), equipartition board (6), income water pipe (7), shrink cover (8), shrink section (1) right-hand member is connected with choke (2), choke (2) right-hand member is connected with diffusion section (3), diffusion section (3) right-hand member is connected with gas-liquid separation structure, a serial communication port, open on shrink section (1) right side has round connecting seam (4), fixed cover is equipped with annular chamber (5) on connecting seam (4) outside shrink section (1) outer wall, equipartition board (6) are installed on annular chamber (5) internal connection seam (4) right side, equipartition board (6) are annular platy structure and are annular on and are distributed and open there are a plurality of aperture, annular chamber (5) right side upper portion is connected with income water pipe (7), fixed mounting shrink cover (8) on the inner wall of shrink section (1), shrink cover (4) inner wall and connecting seam (8), outer wall intercommunication seam (4).

2. The low-resistance Venturi dust remover according to claim 1, wherein a baffle (9) is arranged in the annular cavity (5), and the baffle (9) is fixedly arranged on the inner wall of the annular cavity (5) on the left side of the water inlet pipe (7) on the right side of the uniform distribution plate (6).

3. The low-resistance venturi scrubber according to claim 1, wherein the gas-liquid separation structure comprises a cyclone separator (10), an air outlet (11), an ash bucket (12) and a blanking valve (13), the cyclone separator (10) is fixedly connected with the right end of the diffusion section (3), the air outlet (11) is arranged at the upper end of the cyclone separator (10), the ash bucket (12) is arranged at the lower end of the cyclone separator (10), and the blanking valve (13) is fixedly arranged at the lower end of the ash bucket (12).

4. The low resistance venturi scrubber of claim 1, wherein the small hole diameter is smaller than the water inlet tube (7) diameter.

5. The low-resistance venturi scrubber according to claim 1, wherein the junction between the left end of the constriction cover (8) and the inner wall of the constriction section (1) is smooth.