CN223069290U - A wet explosion-proof dust collector - Google Patents

Abstract

The utility model discloses a wet explosion-proof dust collector, comprising a base and a box body installed on the base, the box body is provided with a flange frame, an explosion-proof fan and an outer cover arranged on the outside of the explosion-proof fan are installed on the flange frame; a multi-layer filter is integrated on the flange frame, a combined air inlet box and a venturi tube arranged on the combined air inlet box are installed on the box body, and the venturi tube is used to introduce the gas to be removed; a water outlet is provided at the bottom of the box body, a spray head is provided at the inlet of the venturi tube, a water pump is installed on the base, the inlet of the water pump is connected with the water outlet, and the outlet of the water pump is connected with the spray head; a differential pressure gauge for detecting the differential pressure between the inflow end and the outflow end of the multi-layer filter is installed on the box body, and a power switch box connected to the water pump and the explosion-proof fan is also provided on the box body; the overall volume is effectively reduced, and dust reduction and filtering integration are realized to perform continuous dynamic operation, thereby improving the dust removal efficiency.

Description

Wet type explosion-proof dust remover

Technical Field

The utility model relates to the technical field of dust removal, in particular to a wet type explosion-proof dust remover.

Background

The direct emission of dust and particulate matters generated in the industrial production process not only can pollute the environment, but also can influence the normal operation of production equipment and the health of workers, and waste gas generated in the production process contains impurities, dust and the like and can be emptied after dust removal and filtration by dust removal equipment.

The industrial dust removing equipment generally adopted comprises a dry dust remover and a wet dust remover, wherein the wet dust remover is commonly called as a demister, and is a device for closely contacting dust-containing gas with liquid (generally water), capturing particles by utilizing the inertial collision of water drops and particles or the full mixing effect of water and dust and other effects or enlarging the particles or keeping the particles in a fixed container to achieve the effect of separating water and dust, and has stronger explosion characteristics for dust generated in the mechanical processing process of aluminum magnesium products. And the dry dust remover is adopted, so that the probability of dust explosion is high, and the danger is high.

Therefore, in the conventional wet dust collector, a separate structure is adopted for dust fall and filtration, which causes the volume of the whole equipment to become large, and the gas which does not sufficiently fall dust exists, so that the dust fall efficiency is low.

Disclosure of utility model

First technical problem

The utility model aims to provide a wet type explosion-proof dust remover, which solves the problems that the existing wet type dust remover adopts a separated structure to independently operate dust fall and filtration, the dust fall is insufficient, and the volume of the whole equipment is increased.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A wet type explosion-proof dust remover comprises a base and a box body arranged on the base, wherein a flange frame is arranged on the box body, an explosion-proof fan and an outer cover covered on the outer side of the explosion-proof fan are arranged on the flange frame, a multi-layer filter is integrated on the flange frame, a combined air inlet box and a venturi tube arranged on the combined air inlet box are arranged on the box body, the venturi tube is used for guiding dust removing gas, a water outlet is arranged at the bottom of the box body, a spray header is arranged at the inlet of the venturi tube, a water pump is arranged on the base, the inlet of the water pump is connected with the water outlet, the outlet of the water pump is connected with the spray header, a differential pressure meter used for detecting differential pressure between the inflow end and the outflow end of the multi-layer filter is arranged on the box body, and a power switch box used for connecting the water pump and the explosion-proof fan is further arranged on the box body.

Preferably, the multi-layer filter comprises a first filter cartridge support, a second filter cartridge support, a third filter cartridge support and a fourth filter cartridge support which are sequentially installed on the flange frame, and a primary plate filter, a polypropylene plate filter and high-efficiency filter cloth are sequentially installed on the first filter cartridge support, the second filter cartridge support, the third filter cartridge support and the fourth filter cartridge support.

Preferably, the water outlet is connected with a Y-shaped filter.

Preferably, the box is including being the first bounding wall of U type, the second bounding wall is installed to the open end of first bounding wall, first bounding wall with the guide plate that the slope set up is installed to the bottom of second bounding wall, the delivery port is located the low end of guide plate, flange frame installs first bounding wall with the top of second bounding wall.

Preferably, the first coaming is provided with an access hole corresponding to the multilayer filter, and the access hole is provided with a sealing plate.

Preferably, an observation port positioned below the access port is formed in the first coaming, and a perspective window is arranged on the observation port.

Preferably, a water inlet positioned below the combined air inlet box is arranged on the second coaming.

Preferably, the flange frame comprises a first flange and a second flange which are sequentially connected, the first flange is connected with the multi-layer filter, the second flange is provided with a top cover plate, and the outer cover is arranged on the top cover plate.

Preferably, the top cover plate is provided with a reinforcing rib which is positioned at the edge position and used for supporting the outer cover, and the top cover plate is provided with a guide cylinder which is connected with the inlet of the explosion-proof fan.

Preferably, the base is provided with spacing frames which are arranged at intervals and are used for being matched with the forklift.

(III) beneficial effects

The base, the box body and the outer cover are sequentially connected to form an integrated structure, the volume of the whole equipment is effectively reduced, the integration level is improved, the flow rate of the entering dust-removed gas is accelerated through the negative pressure effect of the Venturi tube, meanwhile, the spray header is enabled to accelerate the contact with the dust-removed gas, after the dust-removed gas enters the box body, the dust-removed part is collected at the bottom of the box body along with the water flow and is circularly utilized by the water pump through the water outlet to be conveyed to the spray header, so that the water circulation dust-removing process is realized;

The dust-removed gas in the box body is quickened to pass through the multi-layer filter by the pumping force generated by the explosion-proof fan, so that dust is blocked in the box body to be combined with the entered moist gas, and the dust-removing effect is fully improved;

Meanwhile, the front-back pressure difference of the multi-layer filter is detected by utilizing a pressure difference meter, so that the filtering effect of the multi-layer filter can be known in time, the multi-layer filter can be replaced in time and the dust fall in the multi-layer filter can be treated, and the synchronous control of a power switch box is adopted for specific equipment starting, so that the simultaneous start-stop control of water circulation and emptying power is realized;

The fan and the water pump with explosion-proof performance are adopted, and the power switch and other power-related devices are boxed, so that the fan and the water pump can be suitable for being used in an environment with explosion-proof requirements.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an exploded structure of an embodiment of the present utility model;

in fig. 1 to 3, the correspondence between the component names or lines and the drawing numbers is:

Base 1, guide plate 2, first bounding wall 3, second bounding wall 4, first section of thick bamboo support 5, second section of thick bamboo support 6, third section of thick bamboo support 7, fourth section of thick bamboo support 8, first flange 9, second flange 10, lamina tecti 11, mount pad 12, strengthening rib 13, combination formula air inlet box 14, venturi 15, dustcoat 16, shrouding 17, perspective window 18, delivery port 19, water pump 20, shower head 21, pressure differential table 22, switch box 23, water inlet 24, spacing frame 25.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, the embodiment of the utility model provides a wet type anti-explosion dust remover, which comprises a base 1 and a box body arranged on the base 1, wherein a flange frame is arranged on the box body, an anti-explosion fan and an outer cover 16 covered on the outer side of the anti-explosion fan are arranged on the flange frame, the anti-explosion fan can be protected through the action of the outer cover 16, the anti-explosion fan is supported, and air suction and evacuation aerodynamic force for air in the box body are accelerated after the anti-explosion fan is started. The flange frame is integrated with a multi-layer filter, the box body is provided with a combined air inlet box 14 and a venturi tube 15 arranged on the combined air inlet box 14, the venturi tube 15 is used for guiding in dust-removed gas, firstly, the negative pressure effect of the venturi tube 15 is utilized to accelerate the rapid inflow of external gas into the box body, and meanwhile, under the suction effect of an explosion-proof fan, the gas can be fully filtered in the multi-layer filter, and the fluidity is improved.

Meanwhile, a water outlet 19 is formed in the bottom of the box, a spray header 21 is arranged at the inlet of the venturi tube 15, a water pump 20 is mounted on the base 1, a mounting seat 12 is welded on the base 1 and used for mounting the water pump 20, the inlet of the water pump 20 is connected with the water outlet 19, the outlet of the water pump 20 is connected with the spray header 21, water at the bottom of the box is circulated and sprayed to the inlet of the venturi tube 15 through the spray header 21, gas entering the venturi tube 15 is fully combined with the water to realize dust fall, water mist is formed after entering the box, dust blocked by a multi-layer filter and remained in the box is combined again to promote the dust fall effect, all the dust is finally deposited by the moist gas and flows downwards to the bottom of the box to form collection, dust and water is separated again in the bottom deposition process, and the water cup water pump 20 is used for forming a water circulation dust fall process.

Therefore, the gas enters the device and then passes through the processes of one-time dust fall, filtration and repeated dust fall, so that the full dust fall process is realized, the whole device forms an integrated structure, and the occupied area is small.

Meanwhile, a differential pressure meter 22 for detecting differential pressure between an inflow end and an outflow end of the multilayer filter is arranged on the box body, a power switch box 23 for connecting the water pump 20 and the explosion-proof fan is further arranged on the box body, the blocking condition of the multilayer filter can be timely known after the front and rear differential pressure of the multilayer filter is detected through the differential pressure meter 22, the filter effect can be conveniently improved through timely replacement, a 24V switching power supply and a Schneider circuit breaker are arranged in the power switch box 23, the box body is used for shielding, the conditions of explosion-proof requirements are met in the water pump 20 and the explosion-proof motor, the explosion-proof requirements can be met in charged parts, and the whole equipment is suitable for being applied to environments with the explosion-proof requirements.

After the use, the wet dust can be settled and collected at the bottom of the box body, and the settled dust is treated in a shutdown state.

Specifically, the multi-layer filter is to achieve sufficient filtration to sufficiently separate dust and completely reduce the dust in the case, and thus, the filtration effect of the multi-layer filtration needs to be ensured. The multi-layer filter comprises a first filter cartridge support 5, a second filter cartridge support 6, a third filter cartridge support 7 and a fourth filter cartridge support 8 which are sequentially arranged on the flange frame, wherein a primary plate filter, a polypropylene plate filter and high-efficiency filter cloth are sequentially arranged on the first filter cartridge support 5, the second filter cartridge support 6, the third filter cartridge support 7 and the fourth filter cartridge support 8, an upper layer and a lower layer are specifically formed, filtering is realized at a plurality of positions which are separated left and right, and a plate structure is formed so as to facilitate overall replacement.

The primary plate filter adopts a morning blue product, the polypropylene plate filter adopts a Tangshen product, the high-efficiency filter cloth adopts an east product, and three layers are sequentially stacked and then fixed on the first filter cartridge bracket 5, the second filter cartridge bracket 6, the third filter cartridge bracket 7 and the fourth filter cartridge bracket 8 to form a whole filter structure with three layers of filtering.

Meanwhile, as dust sedimentation is carried out at the bottom of the box body, the water outlet 19 needs to be filtered, and a Y-shaped filter is particularly connected to the water outlet 19.

Specifically, the box is including being the first bounding wall 3 of U type, second bounding wall 4 is installed to the open end of first bounding wall 3, first bounding wall 3 with the guide plate 2 that the slope set up is installed to the bottom of second bounding wall 4, delivery port 19 is located the low end of guide plate 2, flange frame installs first bounding wall 3 with the top of second bounding wall 4, the box wholly is the components of a whole that can function independently package assembly that first bounding wall 3 and second bounding wall 4 constitute, is convenient for unpack apart when handling the maintenance, realizes rivers water conservancy diversion and dust subsides through the inclined guide plate 2 of bottom simultaneously and collects the direction. And the flange frame realizes fixed connection to the connection part at the top of the box body, thereby improving the structural stability of the box body. Specifically, when the dust fall collected in the interior is treated, the dust fall can be removed through the first coaming plate 3 or the guide plate 2, other modes can be adopted, but the detachable part needs to have good sealing matching performance.

Wherein install on the first bounding wall 3 and correspond to the access hole of multilayer filter, be equipped with shrouding 17 on the access hole, realize changing multilayer filter through the access hole, and shrouding 17 guarantees the seal to the access hole.

Meanwhile, an observation port located below the access port is formed in the first enclosing plate 3, a perspective window 18 is formed in the observation port, the situation inside the box body, such as dust fall accumulation and the like, can be conveniently seen through the perspective window 18, and corresponding checking and operation can be conveniently and timely carried out.

Specifically, the second enclosing plate 4 is provided with a water inlet 24 located below the combined air inlet box 14, the water inlet 24 and the water outlet 19 are threaded pipe joints, so that quick connection is facilitated, and the water inlet 24 is used for injecting water or cleaning inwards.

Specifically, the flange frame is including the first flange 9 and the second flange 10 that connect gradually, connect the multilayer filter on the first flange 9, install lamina tecti 11 on the second flange 10, the dustcoat 16 is installed on lamina tecti 11, utilize first flange 9 and second flange 10 to realize respectively that dustcoat 16 at top installs on the box, realize the installation support to inside multilayer filter simultaneously, promote the connection structural stability between dustcoat 16 and the box after lamina tecti 11 and second flange 10 are connected.

Meanwhile, the top cover plate 11 is provided with a reinforcing rib 13 which is positioned at the edge position and used for supporting the outer cover 16, the top cover plate 11 is provided with a guide cylinder which is connected with the inlet of the explosion-proof fan, the supporting strength of the top cover plate 11 is increased through the reinforcing rib 13, and meanwhile, limit supporting can be formed on the inner wall of the outer cover 16. The draft tube is used for increasing the air pressure entering the explosion-proof fan and accelerating the flow speed.

For the lifting transport of being convenient for to whole equipment be equipped with spacing setting and be used for adapting fork truck's spacing frame 25 on the base 1, four spacing frames 25 in total correspond the setting around two by two, and fork truck is convenient for stretch into and realize spacing and carry out the lifting operation.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (10)

1. The wet type explosion-proof dust remover is characterized by comprising a base and a box body arranged on the base, wherein a flange frame is arranged on the box body, and an explosion-proof fan and an outer cover covered on the outer side of the explosion-proof fan are arranged on the flange frame;

The flange frame is integrated with a multi-layer filter, the box body is provided with a combined air inlet box and a venturi tube arranged on the combined air inlet box, and the venturi tube is used for introducing dust-removed gas;

The bottom of the box body is provided with a water outlet, a spray header is arranged at the inlet of the venturi tube, a water pump is mounted on the base, the inlet of the water pump is connected with the water outlet, and the outlet of the water pump is connected with the spray header;

The box is provided with a differential pressure meter for detecting differential pressure between the inflow end and the outflow end of the multi-layer filter, and the box is also provided with a power switch box connected with the water pump and the explosion-proof fan.

2. The wet explosion-proof dust collector as set forth in claim 1, wherein the multi-layer filter comprises a first filter cartridge holder, a second filter cartridge holder, a third filter cartridge holder and a fourth filter cartridge holder which are sequentially mounted on the flange frame, wherein the first filter cartridge holder, the second filter cartridge holder, the third filter cartridge holder and the fourth filter cartridge holder are sequentially provided with a primary plate filter, a polypropylene plate filter and a high-efficiency filter cloth.

3. The wet type explosion-proof dust remover according to claim 2, wherein the water outlet is connected with a Y-shaped filter.

4. A wet type explosion-proof dust remover according to claim 3, wherein the box comprises a U-shaped first enclosing plate, a second enclosing plate is arranged at the opening end of the first enclosing plate, a deflector arranged obliquely is arranged at the bottoms of the first enclosing plate and the second enclosing plate, the water outlet is arranged at the lower end of the deflector, and the flange frame is arranged at the tops of the first enclosing plate and the second enclosing plate.

5. A wet type explosion-proof dust collector as set forth in claim 4 wherein said first shroud is provided with access openings corresponding to said multilayer filter, said access openings being provided with sealing plates.

6. The wet type explosion-proof dust remover according to claim 5, wherein an observation port positioned below the overhaul port is formed in the first coaming, and a perspective window is formed in the observation port.

7. The wet type explosion-proof dust remover according to claim 4, wherein the second coaming is provided with a water inlet positioned below the combined air inlet box.

8. A wet type explosion-proof dust remover according to any of claims 1-7, wherein the flange frame comprises a first flange and a second flange which are sequentially connected, wherein the first flange is connected with a multi-layer filter, a top cover plate is arranged on the second flange, and the outer cover is arranged on the top cover plate.

9. The wet type explosion-proof dust remover according to claim 8, wherein the top cover plate is provided with a reinforcing rib which is positioned at the edge position and used for supporting the outer cover, and the top cover plate is provided with a guide cylinder which is connected with an inlet of the explosion-proof fan.

10. The wet type explosion-proof dust remover according to claim 8, wherein the base is provided with spacing frames which are arranged at intervals and are used for being matched with a forklift.