阅读说明：本技术 投料除尘器及其在料仓和投料口的吸尘方法 (Feeding dust remover and dust collection method thereof at storage bin and feeding port ) 是由 孙士东 于慧强 于 2021-08-18 设计创作，主要内容包括：投料除尘器及其在料仓和投料口的吸尘方法,属于环保型除尘器技术领域,除尘器壳体内上有过滤件安装板并安装过滤件,除尘器壳体有底部开口。除尘器壳体顶部管路连接外部风机入口。除尘器壳体的底部开口用于伸入料斗及设置在料仓顶部。除尘器壳体有文氏喷嘴反吹结构。反吹管的进气口和电磁阀通过反吹管插座连接。分气缸和电磁阀间通过活接连接。投料的扬尘会被负压吸走,不会外泄粉尘,文氏喷嘴反吹出来的高压气使得喷吹能力倍增,达到更好的过滤件表面除尘喷吹效果。反吹管插座和活结安装方便,密封性好。(A feeding dust remover and a dust collection method thereof at a feed bin and a feed port belong to the technical field of environment-friendly dust removers. The pipeline at the top of the dust remover shell is connected with an inlet of an external fan. The bottom opening of dust remover casing is used for stretching into the hopper and sets up at the feed bin top. The dust remover shell is provided with a Venturi nozzle back-blowing structure. The air inlet of the back flushing pipe is connected with the electromagnetic valve through a back flushing pipe socket. The sub-cylinder is connected with the electromagnetic valve through a loose joint. The dust of throwing the material can be absorbed away by the negative pressure, can not leak the dust, and the high-pressure gas that venturi nozzle blowback came out makes the jetting ability multiply, reaches better filtration piece surface dust removal jetting effect. The back flushing pipe socket and the slipknot are convenient to install and good in sealing performance.)

1. The feeding dust remover comprises a dust remover shell (2) and a plurality of filter pieces (4);

a filter piece mounting plate (3) which is transversely arranged is arranged above the inner part of the dust remover shell (2), a plurality of holes are formed in the filter piece mounting plate (3), and each hole is provided with a filter piece (4); the method is characterized in that:

the dust collector shell (2) is provided with a bottom opening (1);

the top pipeline of the dust remover shell (2) is connected with an inlet of an external fan (9).

2. The charging dust collector according to claim 1, characterized in that:

a Venturi nozzle back-blowing structure is arranged in the dust remover shell (2), and is provided with a back-blowing pipe (10) and a plurality of Venturi nozzles (11);

the air outlet of each Venturi nozzle (11) is aligned with the air inlet of the corresponding filter element (4), and the air outlet of each Venturi nozzle (11) is spaced from the air inlet of the corresponding filter element (4);

the Venturi nozzle (11) is positioned above the filter element (4);

the Venturi nozzle (11) is connected with a back flushing pipe (10), and the air inlet of at least one back flushing pipe (10) is connected with the corresponding air outlet on the air distributing cylinder (12) through the corresponding electromagnetic valve (13).

3. The charging dust collector according to claim 2, characterized in that:

the back flushing pipe (10) is connected with the corresponding electromagnetic valve (13) through a back flushing pipe socket;

the blowback pipe socket is provided with a tubular socket body (14);

a left sealing ring groove (15) is arranged in the left opening of the socket body (14);

a right sealing ring groove (16) is arranged in the right opening of the socket body (14);

the left side opening of the socket body (14) is internally provided with an air inlet of a blowback pipe (10), and the socket body (14)

A left sealing ring (17) is arranged between the air inlet of the back flushing pipe (10) and the air inlet of the back flushing pipe for sealing;

an air outlet pipe orifice of the electromagnetic valve (13) is arranged in the right opening of the socket body (14), and the socket body (14)

A right sealing ring (22) is arranged between the electromagnetic valve (13) and the air outlet pipe orifice for sealing;

the socket body (14) passes through a dust collector wall mounting hole (20) of the dust collector housing (2).

4. The charging dust collector according to claim 3, characterized in that:

the outer surface of the socket body (14) is provided with threads (18), the threads (18) are in threaded connection with nuts (19), and the outer bosses (21) of the socket and the nuts (19) clamp the wall plate of the dust remover shell (2) from the left side and the right side.

5. The charging dust collector according to claim 2, characterized in that:

the air distributing cylinder (12) and the electromagnetic valve (13) are connected through a corresponding loose joint (33);

the loose joint (23) comprises three parts: the first slipknot part (24), the second slipknot part (25) and the third slipknot part (26) are all tubular;

a first external thread (6) of the first part (24) of the slip joint is connected with an inner hole of the electromagnetic valve (13), a first external nut boss (7) of the first part (24) of the slip joint is used for locking, and the first part (24) of the slip joint is provided with a first straight connecting part (8);

the second part (25) of the slipknot is provided with a second inward-contracting boss (27), and the second part (25) of the slipknot is provided with a second direct connecting part (28);

the third part (26) of the slip joint is provided with a third outward extending boss (29) and a third straight connecting part (30);

the second inward-extending boss (27) and the third outward-extending boss (29) are correspondingly clamped, and the first straight connecting part (8) positioned on the inner side is in threaded connection with the second straight connecting part (28) positioned on the outer side;

the third straight connecting part (34) is fixed with the air outlet corresponding to the air distributing cylinder (12).

6. The charging dust collector according to claim 5, characterized in that:

the connecting surface of the first part (24) and the third part (26) of the slipknot is a spherical surface, the first part (24) of the slipknot is an inner concave spherical surface, and the third part (26) of the slipknot is an outer convex spherical surface.

7. The charging dust collector according to claim 5, characterized in that:

the first external thread (6) is a tapered thread.

8. The charging dust collector according to claim 1, characterized in that:

the lower part of the filter element (4) extends out of the bottom opening (1).

9. The dust collection method of the feeding deduster at the feeding port is characterized by comprising the following steps:

the bottom opening (1) of the dust remover shell (2) extends into the hopper (5) to form semi-submersible dust collection.

10. The dust collection method of the feeding dust remover on the top of the storage bin is characterized by comprising the following steps:

the bottom opening (1) of the dust remover shell (2) is directly fixed on a dust remover mounting hole (33) of the storage bin (32) to form negative pressure type dust collection.

Technical Field

The invention belongs to the technical field of environment-friendly dust collectors, and particularly relates to a feeding dust collector and a dust collection method thereof at a storage bin and a feeding port.

Background

When the material is fed in an open feeding port, a large amount of dust can be raised, and the environment is polluted.

Or when the materials are taken from the storage bin, dust is also blown out to pollute the environment.

The filter element is a filter bag (a framework is arranged in a filter cloth bag, which is the known technology) or a dust remover of a filter cartridge, one of the key factors of the dust removal efficiency is the effect of back-flushing and dust removing after dust is accumulated on the surface of the filter bag or the filter cartridge, and the most key component for ensuring the dust removing effect to meet the design requirement is a back-flushing nozzle.

Dust collectors of other companies in the market at present use circular tubes 31 with different diameters and lengths of 27-50 mm as back-blowing nozzles as shown in fig. 17, the back-blowing gas flow from a common nozzle is narrow as shown in a part a in fig. 17, the narrow injection effect of the high-pressure gas flow of the common nozzle is not obvious, the amount of gas injected into a cloth bag is small, the venturi nozzle is installed at the inlet of the cloth bag as shown in a part b in fig. 17, the gas flow is limited, and the back-blowing effect is very poor as shown in a part c in fig. 17, and is mainly shown in the following steps: the bag is not completely pasted during the ash removal, the blowing direction deviates to blow the cloth bag, and the shaking amount is small due to the fact that the quantity of gas entering the cloth bag is small and the cloth bag is not expanded obviously, so that the ash removal effect is not obvious and the like.

The filter element is a filter bag or a filter cartridge dust remover, one of the key factors of the dust removal efficiency is the effect of back-blowing and dust removal from the inlet of the filter bag after dust is deposited on the surface of the filter bag or the filter cartridge, so as to ensure that the dust removal effect reaches the design requirement,

the tightness of the blow-back pipe socket for the connection between the air supply solenoid valve and the blow-back pipe is very important for this.

At present, no back flushing pipe socket commodity of the design exists in the market, dust collectors manufactured by other companies have various and crude connections between a back flushing pipe and an electromagnetic valve, and the defects of the crude connection modes are mainly shown as follows: air leakage is very serious, and the dust cleaning effect of the cloth bag or the filter cylinder is seriously influenced.

The air leakage between the air cylinder and the electromagnetic valve is easy to occur.

Disclosure of Invention

The invention aims to provide a feeding dust remover and a dust collection method of the feeding dust remover at a storage bin and a feeding port, which can enable the dust remover to generate negative pressure at a dust raising position, so that the raised dust of feeding can be sucked away by the negative pressure, and the dust cannot be leaked.

The technical scheme is as follows:

a feeding dust remover comprises a dust remover shell and a plurality of filter pieces.

The inside top of dust remover casing is equipped with the filter mounting panel of horizontal setting, offers a plurality of holes on the filter mounting panel, and filter is installed in every hole.

The technical key points are as follows:

the dust remover shell is provided with a bottom opening.

The pipeline at the top of the dust remover shell is connected with an inlet of an external fan.

The lower part of the filter piece extends out of the bottom opening.

The dust remover shell is internally provided with a Venturi nozzle back-blowing structure.

And the air inlet of at least one back flushing pipe is connected with the corresponding electromagnetic valve through a back flushing pipe socket.

The sub-cylinder is connected with at least one electromagnetic valve through corresponding loose joints.

The bottom opening of the dust remover shell extends into the hopper to form semi-submersible dust collection.

The bottom opening of the dust remover shell is used for being directly fixed on a dust remover mounting hole of the storage bin to form negative pressure type dust collection.

The advantages are that:

the lower half part of the dust remover directly extends into the feeding port, and the raised dust of the fed material can be sucked away by negative pressure without leaking dust.

The dust remover is arranged on the top of the storage bin, negative pressure can be generated when materials are taken outwards, and dust cannot leak.

The high-pressure gas (a part in fig. 4) blown back from the venturi nozzle is ejected by the high-pressure gas of the nozzle, and the surrounding air is exploded and impacted forwards along the ejection direction together according to the venturi principle, so that the blown gas is amplified, the blowing capacity is doubled, and a better dust removal and blowing effect on the surface of the filter element is achieved, as shown in a part b in fig. 4. The venturi principle is utilized to strengthen the blowing air flow, and the air blowing device has the characteristics of increased back blowing air quantity, strong directionality and uniform distribution of the back blowing air quantity of each filter cloth bag, thereby obtaining the best blowing effect.

The back-flushing pipe socket has the advantages of advanced structure, convenient installation (the connection with the wall plate of the dust remover, the connection with the air outlet of the electromagnetic valve and the connection with the back-flushing pipe are very simple), and the most important is that the sealing performance is good and air tightness is not leaked, thereby obtaining the best blowing effect.

The slipknot is convenient to install and good in sealing performance.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a front view of embodiment 1 of the present invention.

Figure 3 is a top view of the filter mounting plate and filter.

Fig. 4 is a schematic structural diagram of a blowback structure in the present invention.

Fig. 5 is an enlarged view of the venturi nozzle.

FIG. 6 is a front view of the blowback socket.

FIG. 7 is a schematic view of the connection structure of the wall of the dust catcher, the air outlet of the electromagnetic valve and the air inlet of the blowback pipe.

Fig. 8 is a cross-sectional view of the nut.

Fig. 9 is a front view of the nut.

FIG. 10 is a front view of the first portion of the loose joint.

FIG. 11 is a top view of the first portion of the loose joint.

FIG. 12 is a front view of the second portion of the loose joint.

FIG. 13 is a top view of the second portion of the loose joint.

FIG. 14 is a front view of the third portion of the loose joint.

FIG. 15 is a top view of the third portion of the loose joint.

Fig. 16 shows a connection structure of a loose joint, a gas distribution cylinder and an electromagnetic valve.

FIG. 17 is a schematic view of a prior art venturi nozzle in use.

Fig. 18 is a front view of embodiment 2 of the present invention.

The device comprises a bottom opening 1, a dust remover shell 2, a filter piece mounting plate 3, a filter piece 4, a hopper 5, a fan 9, a back flushing pipe 10, a Venturi nozzle 11, a gas distribution cylinder 12, an electromagnetic valve 13, a socket body 14, a left sealing ring groove 15, a right sealing ring groove 16, a left sealing ring 17, threads 18, a nut 19, a dust remover wall mounting hole 20, a socket outer boss 21, a right sealing ring 22 and a slip knot 23.

A first slipknot portion 24, a second slipknot portion 25, and a third slipknot portion 26.

The first external thread 6, the first external nut boss 7 and the first straight connecting part 8.

Second inwardly-directed bosses 27, second straight connection 28.

Third overhanging boss 29, third straight connecting portion 30.

A bin 32, a dust collector mounting hole 33, and a bin cover 34.

Detailed Description

Example 1

A semi-submersible feeding dust remover comprises a dust remover shell 2 and a plurality of filter elements 4.

The inside top of dust remover casing 2 is equipped with the horizontal filtration piece mounting panel 3 that sets up, and it can be for filtering sack or filter core to filter 4, filters and offers a plurality of holes on the mounting panel 3, and a filtration piece 4 of every hole installation.

The precipitator casing 2 has no bottom surface, i.e. the bottom has a bottom opening 1.

The lower part of the filter element 4 extends out of the bottom of the dust remover shell 2.

An inner pipeline at the top of the dust remover shell 2 is connected with an inlet of an external fan 9, the air is sucked outwards through a pipeline, and an outlet of the fan 9 is a clean air outlet.

The bottom opening 1 of the dust collector shell 2 extends into the hopper 5 to form a semi-submerged form, and the dust collector shell 2 is fixed at the edge of the hopper 5.

The dust is sucked from the bottom opening 1, negative pressure is formed in the hopper 5, and the dust cannot fly when the dust raw material is poured into the hopper 5.

The dust remover shell 2 is internally provided with a Venturi nozzle back-blowing structure which is provided with a back-blowing pipe 10 and a plurality of Venturi nozzles 11.

The back-flushing pipes 10 are closed at one end, and the air inlets at the other end are connected with the corresponding air outlets on the air-distributing cylinder 12 through the corresponding electromagnetic valves 13 (which can be electromagnetic pulse valves).

The plurality of filter members 4 are arranged in the filter member mounting plate 3 in the lateral and longitudinal directions.

A plurality of blowback pipes 10 arranged in parallel are located above the corresponding filter elements 4.

A cylinder 12 and a plurality of solenoid valves 13 are located outside the precipitator casing 2.

The back flushing pipe 10 is provided with a plurality of venturi nozzles 11, and air inlets (small openings) of the venturi nozzles 11 are connected with the back flushing pipe 10.

The air outlet (large mouth) of the venturi nozzle 11 is downward aligned with the air inlet of the lower filtering element 4, and a certain distance is reserved between the air outlet of the venturi nozzle 11 and the air inlet of the filtering element 4.

Because of the filtering during the production process, much dust adheres to the surface of the filter member 4. Compressed air stored in the air distributing cylinder 12 supplies air to the venturi nozzles 11 from the blowback pipe 10 through the electromagnetic valve 13, enters the filter element 4 under the action of high-pressure gas and injection gas of the venturi nozzles 11, and the filter element 4 rapidly expands and shakes to shake off dust attached to the surface of the filter element 4.

Different types of Venturi nozzles 11 can be arranged according to requirements, and the Venturi nozzles 11 are of variable diameter structures and are provided with small openings and large openings.

Each blowback pipe 10 and the corresponding solenoid valve 13 may be connected by a blowback pipe socket.

The blowback pipe socket has a tubular socket body 14 with openings at both ends.

A left seal ring groove 15 is provided in the left opening of the socket body 14.

A right gasket groove 16 is provided in the right opening of the socket body 14.

A plurality of air inlets of the blowback pipe 10, the socket body 14 and the counter are arranged in the left opening of the socket body 14

The inlet of the blow pipe 16 is sealed by a circular left sealing ring 17.

An air outlet pipe orifice of the electromagnetic valve 13, the socket body 14 and the electromagnet are arranged in the right opening of the socket body 14

The outlet pipe openings of the valves 13 are sealed by a right circular seal ring 22 (rubber seal ring).

The middle part of the outer surface of the socket body 14 is provided with a thread 18 which is tightly fastened through a nut 19 and a dust remover wall mounting hole 20

Tightly connected, the wall plate of the dust collector shell 2 is clamped from the left side and the right side by a round socket outer boss 21 and a nut 19.

The nut 19 is located outside the precipitator casing 2.

Air supply enters each blowback pipe 10 through each electromagnetic valve 13 and the corresponding socket and then blows to the filter element

And 4, back blowing and dust removal of the air inlet.

The air cylinder 12 and each electromagnetic valve 13 are connected through a corresponding loose joint 33.

The loose joint 23 comprises three parts: the first, second and third slipknot portions 24, 25, 26 are each tubular.

The first external thread 6 of the first part 24 of the slip joint is connected with the inner hole of the electromagnetic valve 13, the first external nut boss 7 in the middle of the first part 24 of the slip joint is used for locking, and the first part 24 of the slip joint is provided with a first straight connecting part 8.

The second part 25 of the slip joint has a second inwardly extending circular boss 27 and the second part 25 of the slip joint has a second straight connection 28.

The third part 26 of the slip joint has a third outwardly extending circular boss 29 and a third straight connection 30.

The second inward-extending boss 27 and the third outward-extending boss 29 are correspondingly clamped, and the first straight connecting part 8 positioned on the inner side and the second straight connecting part 28 positioned on the outer side are in threaded connection.

The joint surface of the first part 24 and the third part 26 is spherical, the first part 24 is concave spherical, and the third part 26 is convex spherical.

The first external thread 6 is a tapered thread.

The third straight connecting part 34 is welded with the corresponding air outlet of the air cylinder 12.

The dust collection method of the dust remover at the feed inlet is characterized by comprising the following steps:

the bottom opening 1 of the dust collector shell 2 extends into the hopper 5 to form semi-submerged dust collection.

Example 2

Example 2 is substantially the same as example 1 except that:

the bottom opening 1 of the precipitator casing 2 is intended to be fixed directly to the precipitator mounting hole 33 of the silo 32.

When the cover 34 of the storage bin is opened to take materials, negative pressure is generated during dust collection, and dust cannot be raised outwards.

The dust collection method of the dust remover on the top of the storage bin is characterized by comprising the following steps:

the bottom opening 1 of the precipitator casing 2 is used for directly fixing the precipitator mounting hole 33 of the storage bin 32 to form negative pressure type dust collection.