CN113350908B - Combined hopper dust removal device - Google Patents
Combined hopper dust removal device Download PDFInfo
- Publication number
- CN113350908B CN113350908B CN202110694233.6A CN202110694233A CN113350908B CN 113350908 B CN113350908 B CN 113350908B CN 202110694233 A CN202110694233 A CN 202110694233A CN 113350908 B CN113350908 B CN 113350908B
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- framework
- cloth bag
- air inlet
- dust
- fan
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A combined hopper dust removal device belongs to the field of environmental protection and is formed by symmetrically connecting a left half hopper and a right half hopper; the left half bucket comprises an outer framework, an inner framework, a fan, a cloth bag, an inner sealing plate, a dust collecting and discharging tail end, an outer sealing plate and a cloth bag air inlet end plate; the inner side of the inner framework covers the inner sealing plate, the outer side of the outer framework covers the outer sealing plate, the inner framework and the outer framework are coaxial, the outer framework is sleeved on the periphery of the inner framework, and a cavity is formed between the inner framework and the outer framework; the fan frame is arranged in the cavity and fixed with the inner frame; the air inlet of the fan is connected with the air outlet of the inner framework, and the air outlet of the fan is arranged in a cavity formed by the inner framework, the outer framework and the cloth bag air inlet end plate; the air inlet of the cloth bag is fixed with the cloth bag air inlet end plate, and the cloth bag air inlet end plate is fixed at the upper end of a cavity formed between the inner framework and the outer framework; the cloth bag is arranged at the lower end of the cavity formed between the inner framework and the outer framework; the dust collecting and discharging tail end is connected with the lower end of the cloth bag. The invention has good dust removal effect, convenient transportation and less auxiliary equipment.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a combined hopper dust removal device.
Background
The unloading of adopting grab ship unloaders at present does not leave unloading funnel mostly in the harbour of bulk material futilely, because grab ship unloaders's grab bucket operation of unloading is the open-type, does bulk material like: clinker, gypsum, copper concentrate, slag, sulfur, iron ore, nickel ore, coal, limestone, bentonite, soda powder, biomass (using wood chips and the like) and other materials can be mixed with a part of air in the process of entering the hopper, a certain positive pressure environment is formed in the hopper, dust caused by impact during material blanking can be diffused outwards of the hopper, and the dust can generate local stimulation to skin, cornea and mucosa and generate a series of pathological changes, thus harming the health of deck qualified personnel; the dust also has adverse effects on deck machinery and also severely pollutes the surrounding environment
Among the prior art at present, spray set sprays hopper and grab bucket, causes the raise dust when avoiding the grab bucket to snatch, but the position that the grab bucket snatched only in a small part, and spray set has but covered whole hopper, causes the unnecessary energy consumption, and the water that sprays also can be too much the pile and collect in the hopper, extravagant water resource influences the goods in the hopper.
The general hopper has no dust removal function. Some hoppers have a dust removal function, and the dust removal effect is not obvious. Some hoppers have a dust removal function and a dust removal effect, but the structure is too big, the number of auxiliary devices is large, the problem situations are more, the use power is high, the use cost is high, the occupied area is large, the use is not flexible, and the transportation and the installation are difficult. However, the traditional dust remover has poor dust removing effect and is inconvenient to maintain and clean. Is not easy to be recycled; and the raw material powder can not be completely recycled in the recycling process, the recycling speed is low, and the use is very inconvenient.
Disclosure of Invention
The invention provides a combined hopper dust removal device which has good dust removal effect, is convenient to transport, has few auxiliary equipment, has little influence on goods in a hopper and is convenient to overhaul and maintain.
A combined hopper dust removal device comprises a left half hopper and a right half hopper, wherein the left half hopper and the right half hopper are axisymmetric and are connected through bolts.
The left half bucket consists of an outer cover plate, an outer framework, an inner framework, a fan, a cloth bag, an inner sealing plate, a dust collecting and discharging tail end, an outer sealing plate and a cloth bag air inlet end plate; the inner framework and the outer framework are coaxial, the outer framework is sleeved on the periphery of the inner framework to form a cavity, and the fan is erected in the cavity and fixed with the inner framework; the air inlet of the fan is connected with the air outlet of the inner framework, and the air outlet of the fan is arranged in a cavity formed by the inner framework, the outer framework and the cloth bag air inlet end plate; the outer sealing plate is arranged between the outer framework steel structures, and the inner sealing plate is arranged between the inner framework steel structures, so that the double-layer steel structure framework is enclosed into a sealed cavity structure; after the air inlet of the cloth bag is fixed with the cloth bag air inlet end plate, the cloth bag air inlet end plate is fixed at the upper end of the inner and outer framework cavities; a plurality of cloth bags are arranged in sequence in the inner and outer structure overhead cavities. The tail end of the dust collecting and discharging is fixed at the lower ends of the inner and outer framework frames, namely the lower end of the cloth bag; the outer cover plate is mounted on the outer surface of the outer frame. The tail end of the dust collecting and discharging is fixed at the lower end of the double-layer steel structure frame, namely the lower end of the cloth bag; the outer cover plate is mounted on the outer surface of the outer frame.
The outer cover plate is a profiled color steel plate and is arranged around the outer surface of the outer framework, so that the outer cover plate plays a role in protection, neatness and attractiveness.
The outer framework is formed by welding square section steel into a rectangular trapezoid frame structure to form an outer structure of the cavity, and the outer structure plays a supporting role.
The outer sealing plate is a thin steel plate and seals the frame formed by combining the outer framework section steel to form a sealed outer framework surface.
The inner framework is a zigzag trapezoid frame structure formed by welding square section steel in a splicing manner, so that an inner structure of a cavity is formed, and a supporting effect is achieved. Meanwhile, the inner side of the section steel of the inner framework is provided with a plurality of air inlet ventilation openings which are uniformly distributed, and the outer side of the section steel is provided with an air outlet connected with a fan. Has the function of a ventilation channel.
The inner sealing plate is a thin steel plate and seals the frame of the section steel combination of the inner framework to form a sealed inner framework surface.
The fan is a centrifugal fan and is erected on the inner frame of the steel structure cavity, so that the air inlet of the fan is connected with the air outlet of the inner frame, and the air outlet of the fan is arranged in the cavity formed by the inner frame and the outer frame, namely above the air inlet end plate of the cloth bag; providing power for the device.
The cloth bag is a slender cylindrical non-woven fabric filter cloth bag. The surrounding devices are uniformly arranged below the cavity; one end of the cloth bag is opened and fixed on the air inlet end plate of the cloth bag. Is the main filtering equipment.
The air inlet end plate of the cloth bag is a folded plate and is arranged at the upper part of the steel structure frame. The cavity is divided into two parts by the cloth bag air inlet end plate, the upper part contains dust air sent by the fan, and the lower part is provided with the cloth bag.
The dust collecting and discharging tail end is fixed at the lower end of the double-layer steel structure frame, and the filtered dust of the cloth bag is collected.
When the incoming material is unloaded, the fan is started to form negative pressure in the dust collector, the excited dust enters the fan through the air inlets distributed on the inner framework and comes above the air inlet end of the cloth bag, the positive pressure is formed in the air inlet end, the dust air is diffused to the cloth bag, and after the dust is filtered by the cloth bag, clean air overflows from the dust collecting and unloading tail end. After a period of time, replacing the cloth bag or cleaning the dust of the cloth bag. The process enables the air with dust to be purified and then discharged out of the device.
The invention has the advantages of good dust removal effect, convenient transportation, less auxiliary equipment, small influence on goods in the hopper and convenient maintenance.
Drawings
FIG. 1 is a front elevation view of the apparatus of the present invention;
FIG. 2 is a top view of the apparatus of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a block diagram of the apparatus of the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;
in the figure: 1-outer cover plate, 2-steel structure frame, 3-outer frame, 4-inner frame, 5-fan, 6-cloth bag, 7-inner sealing plate, 8-dust collecting and discharging end, 9-outer sealing plate and 10-cloth bag air inlet end plate.
Detailed Description
The utility model provides a modular hopper dust collector, the appearance is four prismatic table, and the top is uncovered, and lower bottom surface size is 5x5 meters, and the feed inlet is 1x1 meters, comprises left half fill, right half fill, and left half fill passes through bolted connection with right half fill.
The left half bucket is composed of an outer cover plate 1, an outer framework 3, an inner framework 4, a fan 5, a cloth bag 6, an inner sealing plate 7, a dust collecting and discharging tail end 8, an outer sealing plate 9 and a cloth bag air inlet end plate 10.
The inner framework and the outer framework are concentric steel frameworks with different sizes, and the outer framework is sleeved outside the inner framework and connected through steel pipes. The fan frame is fixed on the inner framework, the fan 5 is fixed with the inner framework, the air inlet of the fan 5 is connected with the air outlet of the inner sealing plate 7, and the air outlet of the fan 5 is arranged in a cavity formed by the inner framework, the outer framework and the cloth bag air inlet end plate; an outer seal plate is mounted between and encloses the outer frame, and an inner seal plate is mounted between and encloses the inner frame.
After the air inlet of the cloth bag is fixed with the cloth bag air inlet end plate, the cloth bag air inlet end plate is fixed at the upper end of the inner and outer framework cavities; a plurality of cloth bags are arranged in sequence in the inner and outer structure overhead cavities. The tail end of the dust collecting and discharging is fixed at the lower ends of the inner and outer framework frames, namely the lower end of the cloth bag; the outer cover plate is mounted on the outer surface of the outer frame.
The outer cover plate is a 0.8mm profiled color steel plate and is arranged around the outer surface of the outer framework, so that the effects of protection, neatness and attractiveness are achieved.
The outer framework is a 5x2.5 m square-shaped trapezoid frame structure spliced by square pipes 100x3mm and plays a supporting role.
The outer sealing plate is a 3mm thin steel plate and seals the frame formed by combining the outer framework section steel to form a sealed outer framework surface.
The inner framework is a 44x2.5 m square-shaped trapezoid frame structure formed by splicing and welding square tubes 100x3mm, and plays a supporting role. Meanwhile, the inner side (facing the center of the device) of the section steel of the inner framework is provided with dust collection ∅ 18mm, air inlet ventilation openings are arranged at intervals of 200mm, and the outer side of the section steel is provided with an air outlet connected with a fan. Has the function of a ventilation channel.
The inner sealing plate is a 3mm thin steel plate and seals the frame of the section steel combination of the inner framework to form a sealed inner framework surface.
The method comprises the following steps that 3000m centrifugal fans are arranged at intervals, full pressure is not less than 100Pa, the centrifugal fans are erected on frames of an inner frame and an outer frame, an air inlet of each fan is connected with an air outlet of the inner frame, and the air outlet of each fan is arranged in a cavity formed by the inner frame and the outer frame in a clamped mode, namely, above an air inlet end plate of a cloth bag; providing power for the device.
The cloth bag is a non-woven fabric filter cloth bag with the diameter of ∅ 125mm and the length determined according to the allowed space. The surrounding devices are uniformly arranged below the cavity; one end of the cloth bag is opened and fixed on the air inlet end plate of the cloth bag. Is the main filtering equipment.
The air inlet end plate of the cloth bag is a C-shaped bent 3mm steel plate and is arranged on the upper part of the square tube of the inner framework. The cavity is divided into two parts by the cloth bag air inlet end plate, the upper part contains dust air sent by the fan, and the lower part is provided with the cloth bag.
The tail end of the dust collecting and discharging bag is a long strip opening made of a 3mm steel plate, the long strip opening is fixed at the lower end of the double-layer steel structure frame, and the filtered dust of the cloth bag is collected.
The right half bucket structure is the same as the left half bucket structure and is axisymmetric, and the description is omitted.
Claims (5)
1. A combined hopper dust removal device is formed by connecting a left half hopper and a right half hopper which have the same structure and are coaxially and symmetrically arranged; the dust collecting and discharging device is characterized in that the left half hopper comprises an outer framework, an inner framework, a fan, a cloth bag, an inner sealing plate, a dust collecting and discharging tail end, an outer sealing plate and a cloth bag air inlet end plate; the inner side of the inner framework covers the inner sealing plate, the outer side of the outer framework covers the outer sealing plate, the inner framework and the outer framework are coaxial, the outer framework is sleeved on the periphery of the inner framework, and a cavity is formed between the inner framework and the outer framework; the fan frame is arranged in the cavity and fixed with the inner frame; the air inlet of the fan is connected with the air outlet of the inner framework, and the air outlet of the fan is arranged in a cavity formed by the inner framework, the outer framework and the cloth bag air inlet end plate; a plurality of cloth bags are sequentially arranged in the cavity formed by the inner framework and the outer framework along the circumferential direction and the vertical direction of the hopper; the air inlet of the cloth bag is fixed with the cloth bag air inlet end plate, and the cloth bag air inlet end plate is fixed in a cavity formed between the inner framework and the outer framework; the dust collecting and discharging tail end is connected with the lower end of the cloth bag.
2. The dust collector of claim 1, wherein the outer cover plate is mounted on the outer surface of the outer frame.
3. The combination hopper dust extraction device of claim 1, wherein the cloth bag is an elongated cylindrical non-woven fabric filter cloth bag.
4. The combined hopper dust removing device as claimed in claim 1, wherein the dust collecting and discharging end is fixed to the lower ends of the outer frame and the inner frame for collecting the dust filtered by the cloth bag.
5. The combined hopper dust removal device as in claim 1, wherein when incoming material is discharged, the fan is started to make the inner cavities of the left half hopper and the right half hopper form negative pressure, the excited dust enters the fan through the air inlets distributed on the inner frame and comes above the air inlet end of the cloth bag, the air inlet end of the cloth bag is positive pressure, the dust air diffuses towards the cloth bag, and after being filtered by the cloth bag, clean air overflows from the dust collecting and discharging end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694233.6A CN113350908B (en) | 2021-06-22 | 2021-06-22 | Combined hopper dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110694233.6A CN113350908B (en) | 2021-06-22 | 2021-06-22 | Combined hopper dust removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113350908A CN113350908A (en) | 2021-09-07 |
| CN113350908B true CN113350908B (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110694233.6A Active CN113350908B (en) | 2021-06-22 | 2021-06-22 | Combined hopper dust removal device |
Country Status (1)
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| CN (1) | CN113350908B (en) |
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| CN203227656U (en) * | 2013-04-27 | 2013-10-09 | 江苏工力重机有限公司 | Dust collecting hopper structure for ship unloaders |
| CN203865626U (en) * | 2014-06-09 | 2014-10-08 | 南通润邦重机有限公司 | Dry dust removal system for bulk cargo hopper |
| CN106395168A (en) * | 2015-07-31 | 2017-02-15 | 泰州市高港区启航起重设备有限公司 | Movable dedusting hopper |
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| CN113350908A (en) | 2021-09-07 |
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