CN104474821A - Dust removal system - Google Patents

Dust removal system Download PDF

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Publication number
CN104474821A
CN104474821A CN201410696984.1A CN201410696984A CN104474821A CN 104474821 A CN104474821 A CN 104474821A CN 201410696984 A CN201410696984 A CN 201410696984A CN 104474821 A CN104474821 A CN 104474821A
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CN
China
Prior art keywords
dust
dust pelletizing
cone
screen
foam
Prior art date
Application number
CN201410696984.1A
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Chinese (zh)
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CN104474821B (en
Inventor
覃江浩
Original Assignee
广西南宁华国环境科技有限公司
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Priority to CN201410696984.1A priority Critical patent/CN104474821B/en
Publication of CN104474821A publication Critical patent/CN104474821A/en
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Publication of CN104474821B publication Critical patent/CN104474821B/en

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Abstract

The invention discloses a dust removal system. The dust removal system comprises a cyclone dust collector and a water curtain dust collector, wherein the cyclone dust collector comprises an inlet for introducing dust-containing tail smoke, a primary purified smoke outlet, a barrel, a cone and an ash bucket; the cone is provided with a first layer and a second layer from outside to inside, a communication cavity is formed between the first layer and the second layer, and an elbow which is wound in a snakelike shape along the cone direction is arranged in the cavity; the water curtain dust collector is arranged on the downstream of the cyclone dust collector, and the water curtain dust collector comprises an inlet for introducing primary purified smoke, a secondary purified smoke outlet, a spray device, a settling pond and a shell; a storage space is formed in the shell, the inlet for introducing the primary purified smoke is formed in the bottom of the shell, and at least a group of foaming net and foam cutting device, which are arranged in a separating manner, are arranged in the storage space; the settling pond is arranged below a washing waste liquid outlet and spaced to the washing waste liquid outlet for a given distance, and at least one layer of filter net is arranged in the settling pond. The dust removal system is reasonable in design, the waste heat of the tail smoke can be adequately utilized, and the dust removal efficiency can be improved.

Description

A kind of dust pelletizing system

Technical field

The present invention relates to environmental technology field, particularly relate to a kind of dust pelletizing system.

Background technology

In chemical fertilizer production process, produce a large amount of dust-laden tail cigarette during slurry-spraying pelletizing, tail cigarette temperature is higher, and containing a large amount of solid particle, and direct discharge in atmosphere can serious environment pollution and cause the wasting of resources.

Cyclone dust collectors utilize the centrifugal force that produces of dust-contained airflow rotated, and separated from gas by grit, grit efficiency of dust collection granularity being greater than to 10 μm can reach 50%-80%, but it is lower to be less than the tiny grit removal efficiency of 5 μm to granularity.

Dust-laden tail cigarette is entered casing from the gas approach of casing side by water curtain dedusting, and in casing, water curtain discharging device is sprayed water downwards; thus water curtain is formed in casing, at this moment flue gas passes from water curtain, in the process of passing; grit can be absorbed by water curtain, thus the grit in removing dusty gas.Water curtain dedusting can remove the grit that granularity is less than 5 μm.

It is lower that existing dust pelletizing system also exists efficiency of dust collection, the washings large usage quantity of screen collector, and equipment easily blocks, and underuses tail cigarette waste heat and cause the problems such as the wasting of resources.

Summary of the invention

The present invention has designed and developed a kind of dust pelletizing system.There is efficiency of dust collection for existing dust pelletizing system lower, the washings large usage quantity of screen collector, equipment easily blocks, underuse tail cigarette waste heat and cause the problems such as the wasting of resources, provide a kind of energy-conserving and environment-protective, efficiency of dust collection is higher, the dust pelletizing system that washings consumption is less.

Technical scheme provided by the invention is:

A kind of dust pelletizing system, comprising:

Cyclone dust collectors, it comprises: access the entrance of described dust-laden tail cigarette, the outlet of discharging the elementary neat stress after described cyclone dust collectors dedusting, cylindrical shell, cone and ash bucket; Described cone is arranged on described cylinder body bottom, and is communicated with described inner barrel; Described cone is disposed with ground floor and the second layer from outside to inside, forms a cavity be communicated with, be provided with the bend pipe along the snakelike winding in described cone direction in described cavity between described ground floor and the described second layer;

Screen collector, it is arranged on the downstream of described cyclone dust collectors, described screen collector comprises: access the entrance of the elementary neat stress after described cyclone dust collectors dedusting, discharge the outlet of the secondary neat stress after described screen collector dedusting and housing; An accommodation space is formed in described housing, the entrance of the elementary neat stress of described access after cyclone dust collectors dedusting is arranged on the bottom of described housing, and be communicated with described enclosure interior, at least one group of spaced foam screen and foam cutter sweep is provided with in described accommodation space, described foam screen is arranged on the entrance top of the elementary neat stress of access after cyclone dust collectors dedusting, and described foam cutter sweep is arranged on the top of described foam screen.

Preferably, in described dust pelletizing system, described bend pipe is made up of stainless steel material.

Preferably, in described dust pelletizing system, described bend pipe is coated with heat-insulation layer.

Preferably, in described dust pelletizing system, described heat-insulation layer is made up of polyurethane rigid foam plastic.

Preferably, in described dust pelletizing system, the entrance of described bend pipe is connected with water tank inlet, the outlet of described bend pipe with go out water tank and be connected.

Preferably, in described dust pelletizing system, described foam cutter sweep is the filler having space.

Preferably, in described dust pelletizing system, described screen collector also comprises: spray equipment, and it is arranged on the top of described accommodation space; Sedimentation basin, it is arranged on the below of scrub raffinate outlet, and described sedimentation basin inside is provided with at least one metafiltration net, is provided with delivery port bottom described sedimentation basin, described delivery port is arranged on the bottom of described filter screen, and described delivery port is communicated with the cleaning solution entrance of described spray equipment by circulating pump.

Preferably, in described dust pelletizing system, described scrub raffinate exit is provided with valve.

Preferably, in described dust pelletizing system, in described cleaning solution, be added with surfactant.

The present invention has designed and developed a kind of dust pelletizing system, by arranging the bend pipe of snakelike winding in the cone cavity of cyclone dust collectors, the water that passes in bend pipe and tail cigarette can be made to carry out heat exchange, obtaining tail cigarette waste heat; Foam screen is provided with in screen collector, the tail cigarette passing into screen collector by during foam screen and the downward washings containing surfactant form a large amount of bubbles at foam screen place, large bubble produces small, fine and smooth foam through the effect of foam cutter sweep, the foam produced increases gas, liquid contact area, foam acts on dust by good covering, the moistening and mode such as to stick, fundamentally prevent the diffusion of dust, effectively reduce dust in air concentration, also can reduce the consumption of washings, and efficiency of dust collection is higher; The below of scrub raffinate outlet is provided with sedimentation basin, and screen collector and sedimentation basin do not need with pipeline communication, are easy to the cleaning solution outlet of cleaning screen collector like this, prevent blocking; At least one group of filter screen is provided with in sedimentation basin, can impurity in filtration washing waste liquid, make the scrub raffinate recycled not block shower nozzle.

Accompanying drawing explanation

Fig. 1 is the structural representation of dust pelletizing system of the present invention;

Fig. 2 is the cone structure schematic diagram of cyclone dust collectors of the present invention;

Fig. 3 is the top view of the cone of cyclone dust collectors of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.

As shown in Figures 1 to 3, the invention provides a kind of dust pelletizing system, comprising:

Cyclone dust collectors 1, it comprises: access the entrance 2 of described dust-laden tail cigarette, the outlet 3 of discharging the elementary neat stress after described cyclone dust collectors dedusting, cylindrical shell 4, cone 5 and ash bucket 6; Described cone 5 is arranged on bottom described cylindrical shell 4, and is communicated with described cylindrical shell 4 inside; Described cone 5 is disposed with ground floor 7 and the second layer 8 from outside to inside, forms a cavity be communicated with, be provided with the bend pipe 9 along the snakelike winding in described cone 5 direction in described cavity between described ground floor 7 and the described second layer 8;

Screen collector 10, it is arranged on the downstream of described cyclone dust collectors 1, described screen collector 10 comprises: access the entrance 11 of the elementary neat stress after the dedusting of described cyclone dust collectors 1, discharge the outlet 12 of the secondary neat stress after the dedusting of described screen collector 10 and housing 13; An accommodation space is formed in described housing 13, the entrance 11 of the elementary neat stress of described access after cyclone dust collectors 1 dedusting is arranged on the bottom of described housing 13, and be communicated with described housing 13 inside, at least one group of spaced foam screen 14 and foam cutter sweep 15 is provided with in described accommodation space, described foam screen 14 is arranged on entrance 11 top of the elementary neat stress of access after cyclone dust collectors 1 dedusting, and described foam cutter sweep 15 is arranged on the top of described foam screen 14.

In described dust pelletizing system, described bend pipe 9 is made up of stainless steel material.

In described dust pelletizing system, described bend pipe 9 is coated with heat-insulation layer.

In described dust pelletizing system, described heat-insulation layer is made up of polyurethane rigid foam plastic.

In described dust pelletizing system, the entrance 16 of described bend pipe 9 is connected with water tank inlet 18, the outlet 17 of described bend pipe 9 with go out water tank 19 and be connected.

In described dust pelletizing system, described foam cutter sweep 15 is for there being the filler in space.

In described dust pelletizing system, described screen collector 10 also comprises: spray equipment 20, and it is arranged on the top of described accommodation space; Sedimentation basin 21, it is arranged on the below of scrub raffinate outlet 22, described sedimentation basin 21 inside is provided with at least one metafiltration net 23, delivery port 24 is provided with bottom described sedimentation basin 21, described delivery port 24 is arranged on the bottom of described filter screen 23, and described delivery port 24 is communicated with the cleaning solution entrance of described spray equipment 20 by circulating pump 25.

In described dust pelletizing system, described scrub raffinate exports 22 places and is provided with valve 26.

In described dust pelletizing system, in described cleaning solution, be added with surfactant.

Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (9)

1. a dust pelletizing system, is characterized in that, comprising:
Cyclone dust collectors, it comprises: access the entrance of described dust-laden tail cigarette, the outlet of discharging the elementary neat stress after described cyclone dust collectors dedusting, cylindrical shell, cone and ash bucket; Described cone is arranged on described cylinder body bottom, and is communicated with described inner barrel; Described cone is disposed with ground floor and the second layer from outside to inside, forms a cavity be communicated with, be provided with the bend pipe along the snakelike winding in described cone direction in described cavity between described ground floor and the described second layer;
Screen collector, it is arranged on the downstream of described cyclone dust collectors, described screen collector comprises: access the entrance of the elementary neat stress after described cyclone dust collectors dedusting, discharge the outlet of the secondary neat stress after described screen collector dedusting and housing; An accommodation space is formed in described housing, the entrance of the elementary neat stress of described access after cyclone dust collectors dedusting is arranged on the bottom of described housing, and be communicated with described enclosure interior, at least one group of spaced foam screen and foam cutter sweep is provided with in described accommodation space, described foam screen is arranged on the entrance top of the elementary neat stress of access after cyclone dust collectors dedusting, and described foam cutter sweep is arranged on the top of described foam screen.
2. dust pelletizing system as claimed in claim 1, it is characterized in that, described bend pipe is made up of stainless steel material.
3. dust pelletizing system as claimed in claim 1, it is characterized in that, described bend pipe is coated with heat-insulation layer.
4. dust pelletizing system as claimed in claim 3, it is characterized in that, described heat-insulation layer is made up of polyurethane rigid foam plastic.
5. dust pelletizing system as claimed in claim 1, it is characterized in that, the entrance of described bend pipe is connected with water tank inlet, the outlet of described bend pipe with go out water tank and be connected.
6. dust pelletizing system as claimed in claim 1, it is characterized in that, described foam cutter sweep is the filler having space.
7. dust pelletizing system as claimed in claim 1, it is characterized in that, described screen collector also comprises:
Spray equipment, it is arranged on the top of described accommodation space;
Sedimentation basin, it is arranged on the below of scrub raffinate outlet, and described sedimentation basin inside is provided with at least one metafiltration net, is provided with delivery port bottom described sedimentation basin, described delivery port is arranged on the bottom of described filter screen, and described delivery port is communicated with the cleaning solution entrance of described spray equipment by circulating pump.
8. dust pelletizing system as claimed in claim 1, it is characterized in that, described scrub raffinate exit is provided with valve.
9. dust pelletizing system as claimed in claim 1, is characterized in that, be added with surfactant in described cleaning solution.
CN201410696984.1A 2014-11-26 2014-11-26 A kind of dust pelletizing system CN104474821B (en)

Priority Applications (1)

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CN201410696984.1A CN104474821B (en) 2014-11-26 2014-11-26 A kind of dust pelletizing system

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Application Number Priority Date Filing Date Title
CN201410696984.1A CN104474821B (en) 2014-11-26 2014-11-26 A kind of dust pelletizing system

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CN104474821A true CN104474821A (en) 2015-04-01
CN104474821B CN104474821B (en) 2016-08-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764020A (en) * 2015-04-04 2015-07-08 北京德美高科科技有限责任公司 Petroleum drilling and production solid waste combustion processing system and method
CN105056673A (en) * 2015-07-28 2015-11-18 无锡市宝宜耐火材料有限公司 Treating apparatus for waste gas in production of pouring materials
CN105327581A (en) * 2015-10-31 2016-02-17 张继金 Cyclone-water-curtain dust removing device suitable for recycling high-temperature tail gas with dust

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87215925U (en) * 1987-11-30 1988-08-24 华中工学院 Semidry duster
CN201333427Y (en) * 2009-01-08 2009-10-28 河南金土地煤气工程有限公司 Cyclone dust collector with water lined jacket
CN102389677A (en) * 2011-10-20 2012-03-28 吴玉伦 Air cleaning method and cleaning device
JP2014004495A (en) * 2012-06-21 2014-01-16 Disco Abrasive Syst Ltd Dust processing device
CN204502670U (en) * 2014-11-26 2015-07-29 广西南宁华国环境科技有限公司 A kind of dust pelletizing system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87215925U (en) * 1987-11-30 1988-08-24 华中工学院 Semidry duster
CN201333427Y (en) * 2009-01-08 2009-10-28 河南金土地煤气工程有限公司 Cyclone dust collector with water lined jacket
CN102389677A (en) * 2011-10-20 2012-03-28 吴玉伦 Air cleaning method and cleaning device
JP2014004495A (en) * 2012-06-21 2014-01-16 Disco Abrasive Syst Ltd Dust processing device
CN204502670U (en) * 2014-11-26 2015-07-29 广西南宁华国环境科技有限公司 A kind of dust pelletizing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764020A (en) * 2015-04-04 2015-07-08 北京德美高科科技有限责任公司 Petroleum drilling and production solid waste combustion processing system and method
CN104764020B (en) * 2015-04-04 2018-04-03 北京德美高科科技有限责任公司 A kind of petroleum drilling and mining solid waste burning processing system and method
CN105056673A (en) * 2015-07-28 2015-11-18 无锡市宝宜耐火材料有限公司 Treating apparatus for waste gas in production of pouring materials
CN105327581A (en) * 2015-10-31 2016-02-17 张继金 Cyclone-water-curtain dust removing device suitable for recycling high-temperature tail gas with dust

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