CN113332802A - Novel filter bag type dust removal device - Google Patents
Novel filter bag type dust removal device Download PDFInfo
- Publication number
- CN113332802A CN113332802A CN202110658484.9A CN202110658484A CN113332802A CN 113332802 A CN113332802 A CN 113332802A CN 202110658484 A CN202110658484 A CN 202110658484A CN 113332802 A CN113332802 A CN 113332802A
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- box body
- filter bag
- upper box
- gas
- flue gas
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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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4218—Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8659—Removing halogens or halogen compounds
- B01D53/8662—Organic halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/206—Organic halogen compounds
- B01D2257/2064—Chlorine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a novel filter bag type flue gas dust removal device which comprises an upper box body, a support, a gas storage shunting device, a gate valve, a guardrail, a maintenance detection port, a crawling ladder, a heater, a catalysis cloth bag, a touch type monitoring screen, a gas inlet and a gas outlet. After the flue gas enters a filter bag type dust removal device, the flue gas is filtered by a novel catalytic cloth bag and is chemically catalyzed, so that the chemical index of the flue gas reaches the required control range, and fine particles in the flue gas are separated from other substances; a heating device is additionally arranged at the smoke inlet, so that the novel catalytic cloth bag works in an environment with low humidity, and the function of the novel catalytic cloth bag is realized more effectively; at equipment internally mounted humidity, temperature, pressure sensor, the situation of real-time detection equipment internal environment, more effectual embodiment, the science and technology of equipment is felt and is actually detected's accuracy, and the part of whole equipment has embodied the reliability of handling the flue gas, and is visual, and the operation is stable, safe and reliable, characteristics that dust collection efficiency is high.
Description
Technical Field
The invention relates to the technical field of filter bag type flue gas dust removal, in particular to a filter bag type dust removal device with a catalytic function.
Background
The economy of China is continuously increased in recent years, the living standard of people is improved, and environmental problems such as increase of household garbage are caused, but the household garbage cannot be effectively and reasonably treated. Because the domestic garbage is difficult to treat, the domestic garbage has various types and is difficult to collect and transport, secondary pollution is prevented during treatment, and resource waste is avoided as much as possible.
The urban domestic garbage is treated mainly in three ways, namely landfill, composting and incineration. The environmental protection method for preventing solid waste pollution carries out a green development mode, and promotes clean production and circular economy development. And the prevention and control of the pollution environment of the solid waste are required to adhere to the principles of reduction, reclamation and harmlessness. The garbage incineration method has the advantages of small occupied area and high efficiency. The reduction is obvious, and the generated heat energy can be recycled. And thus have been vigorously developed.
The waste incineration also can generate smoke gas containing heavy metal and organic pollutants, and secondary pollution can be caused if the smoke gas is discharged into the environment again. In order to reduce the environmental burden and prevent secondary pollution, modern garbage incinerators are equipped with a flue gas purification device. However, the flue gas purification device cannot completely eliminate harmful gases, such as dioxin contained in flue gas generated by burning garbage, which is a toxic substance, the common bag dust removal device cannot remove the dioxin, and the burning garbage usually removes the dioxin through a quenching tower, but the device is very difficult to completely eliminate the emission of the dioxin. A Gole cloth bag capable of eliminating dioxin is available in the market at present, the cloth bag adopts a catalytic filtration technology and a surface filtration technology, and the system consists of an expanded polytetrafluoroethylene (ePTFE) film and a catalytic base fabric. The base fabric is a needle-punched structure, and the fiber is composed of expanded polytetrafluoroethylene (ePTFE) conforming catalyst. The composite catalytic felt material can completely destroy PCDD/Fs in a low-temperature state (180-260 ℃). Under the action of the catalyst, dioxin is immediately subjected to oxidation decomposition reaction and is decomposed into trace CO2, H2O and HCl, so that the filtered gas is nontoxic and harmless. However, the cloth bag dust removal equipment has some problems, such as uneven air distribution which affects the use efficiency of the equipment; the entering smoke carries water vapor, so that the filtering surface of the cloth bag is easy to be condensed into blocks; the cloth bag needs to be cleaned or replaced in time for the stable operation of the equipment. These problems all affect the elimination of flue gases and their various harmful gases.
Therefore, in order to solve the technical problems, a novel dust removal device needs to be invented, and the dust removal device is matched with other flue gas treatment devices, so that the problem of secondary pollution of the flue gas is fundamentally solved.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a novel filter bag type dust removal device which can effectively remove dioxin, comprises a novel catalytic cloth bag, a heating device and a real-time detection device, and has the characteristics of small occupied area, safe operation and high treatment efficiency.
The purpose of the invention is realized by the following technical scheme:
a novel filter bag type dust collector comprises
The device comprises an upper box body, a bracket, a gas storage branching device, a gate valve, a guardrail, a maintenance detection port, a ladder stand, a heater, a catalytic filter bag, a touchable monitoring screen, a gas inlet, a gas outlet and a dust hopper;
the upper box body is arranged in the middle of the dust removing device;
the bracket is arranged at the bottom of the dust removing device and is connected with the upper box body;
the gas storage branching device is arranged on the side surface of the upper box body, and an electromagnetic valve is arranged in the gas storage branching device and used for controlling the flow speed and the flow of gas;
the gate valve is arranged at the bottom end of the support and is connected with the support through the connecting device, so that dust and moisture after filtering can be conveniently and clearly removed;
the guardrail is arranged at the upper part of the upper box body and is welded with the upper box body;
the maintenance detection port is arranged at the upper part of the upper box body;
the ladder stand is arranged on the side part of the upper box body;
the heater is arranged in the support and connected with the air inlet and used for heating and drying the gas entering the air inlet to provide filtering conditions for the catalytic filter bag;
the catalytic filter bag is arranged in the upper box body, a plurality of hole sites are arranged in the upper box body, and the catalytic filter bag is sequentially distributed and installed in the hole sites; filtering and reacting the harmful gas to form harmless gas, and discharging the harmless gas into the next device;
the touchable monitoring screen is arranged on the side part of the bracket and is fixed on the bracket through the box body;
the air inlet is arranged at the side part of the bracket and is connected with the ash bucket;
the air outlet is arranged on the upper side part of the upper box body and is connected with the upper box body.
One or more embodiments of the present invention may have the following advantages over the prior art:
the novel filter bag type dust removal equipment can ensure that the equipment maintenance and the filter bag replacement are safer and more convenient through the top crawling ladder and the guardrail, and simultaneously reduce the occupied area and achieve the aim of saving the cost;
the novel filter bag type dust removal equipment is provided with the electromagnetic valve, and the electromagnetic valve is controlled to perform pulse matching to blow and remove dust, so that the dust removal effect is improved, and the service life of a filter bag is prolonged;
novel pocket type dust collecting equipment sets up the heater, but the heatable drying gets into the flue gas, lets gas can pass through the filter bag more easily for dust collection efficiency improves, and the dust that is difficult for making filter bag filtration membrane combines with vapor moreover, and leads to the agglomeration that condenses, influences the filter effect, reduces the live time of filter bag.
The novel filter bag type dust removal equipment is provided with a monitoring system, so that the running condition of the equipment can be monitored in real time, and the equipment can run stably and permanently;
the novel filter bag type dust removal equipment adopts a Golay filter bag, can control dust simultaneously and decompose 99% of gaseous dioxin;
the novel filter bag type dust removing equipment has no secondary pollution, does not produce polluted solids, has low noise and does not discharge toxic gas.
Drawings
FIG. 1 is a schematic perspective view of a novel filter bag type dust removing device;
FIG. 2 is a schematic view of the assembled structure of a Goll bag of the novel filtering bag type dust removing device;
fig. 3 is a functional schematic diagram of a Goll bag of the novel filtering bag type dust removal device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1, the novel filter bag type dust removal device has a three-dimensional structure, and comprises an upper box body 1, a support 2, a gas storage branching device 3, a gate valve 4, a guardrail 5, a maintenance detection port 6, a ladder stand 7, a heater 8, a catalytic filter bag 9, a touch type monitoring screen 10, a gas inlet 11, a gas outlet 12 and a dust hopper 13;
the upper box body 1 is arranged in the middle of the dust removal device and is made of Q235A materials through bending and welding, and the inner and outer anti-corrosion treatment is performed, so that the service life of equipment is prolonged;
the bracket 2 is arranged at the bottom of the dust removing device and connected with the upper box body 1, the bracket 2 is made of Q235A materials by bending and welding, and the inside and outside are subjected to anti-corrosion treatment, so that the service life of the equipment is prolonged;
the gas storage branching device 3 is arranged on the side surface of the upper box body 1, and an electromagnetic valve is arranged in the gas storage branching device 3 and used for controlling the flow speed and the flow of gas;
the gate valve 4 is arranged at the bottom end of the support 2 and is connected with the support 2 through a connecting device, so that dust and moisture after filtering can be conveniently and clearly removed;
the guardrail 5 is arranged at the upper part of the upper box body 1 and is welded with the upper box body 1; the safety of operators in top operation is ensured;
the maintenance detection port 6 is arranged at the upper part of the upper box body 1 and used for maintaining and replacing Goll cloth bag assembly parts in the equipment at ordinary times, and the maintenance detection port is convenient to operate, safe and reliable.
The ladder stand 7 is arranged on the side part of the upper box body 1; the device is used for the safe and rapid operation of operators entering the top of the equipment;
the heater 8 is arranged inside the bracket 2, is connected with the air inlet 11 and is used for heating and drying the gas entering the air inlet 11 to provide a filtering condition for the catalytic filter bag 9;
the catalytic filter bags 9 are arranged inside the upper box body 1, a plurality of hole sites are arranged inside the upper box body 1, and the catalytic filter bags 9 are sequentially distributed and installed in the hole sites; filtering the harmful gas, reacting to obtain harmless gas, and discharging into the next device;
the touchable monitoring screen 10 is arranged on the side part of the bracket 2 and is fixed on the bracket 2 through the box body;
the air inlet 11 is arranged at the side part of the bracket 2 and is connected with the ash bucket 13;
the air outlet 12 is disposed at an upper side portion of the upper case 1 and connected to the upper case 1.
As shown in FIGS. 2 and 3, the catalytic filter bag 9 comprises a bag cage 9-1, a filter bag 9-2, a surface filter layer 9-3 and a catalytic filter layer 9-4.
The catalytic filter bag 9 is an expanded polytetrafluoroethylene ePTFE membrane-coated filter bag with a catalytic function, and fine particles on the surface of the filter bag are trapped by a Gole film. The filter bag has the advantages of uniform middle pores, high dust removal efficiency, ash spraying and cleaning, and the pulse effect of the electromagnetic valve, so that the ash cleaning effect is greatly enhanced, the filter bag is not easy to block, and the service life is prolonged. When the filter bag is used for cleaning dust, solid particles can be shaken off from the surface and are gathered at the bottom of a dust hopper of the dust collector. The gaseous dioxins, nitrides and sulfides are transferred to the catalytic filter layer 9-4 through the surface filter layer 9-3 and converted into a small amount of carbon dioxide, water and hydrogen chloride (see fig. 3).
The touch monitoring screen 10 is fixedly connected with a humidity sensor, a temperature sensor and a pressure sensor, and is used for monitoring and displaying the value of the internal environment in real time.
The heating device is additionally arranged at the air inlet, so that the novel catalytic cloth bag works in an environment with low humidity, and the function of the novel catalytic cloth bag is more effectively realized.
In the embodiment, after the flue gas enters the filter bag type dust removal device, the chemical indexes of the flue gas reach the required control range after the flue gas is filtered and chemically catalyzed by the novel catalysis cloth bag, and meanwhile, fine particles in the flue gas are separated from other substances; a heating device is additionally arranged at the smoke inlet, so that the novel catalytic cloth bag works in an environment with low humidity, and the function of the novel catalytic cloth bag is realized more effectively; at equipment internally mounted humidity, temperature, pressure sensor, the situation of real-time detection equipment internal environment, more effectual embodiment, the science and technology of equipment is felt and is actually detected's accuracy, and the part of whole equipment has embodied the reliability of handling the flue gas, and is visual, and the operation is stable, safe and reliable, characteristics that dust collection efficiency is high.
The use process of the above embodiment:
the flue gas gets into equipment from the air inlet, and the heater of surveying in the air inlet earlier makes the flue gas obtain the drying, prevents that the moist flue gas from condensing the drop of water when passing through the filter bag to influence the availability factor and the live time of equipment. Under the action of the gas storage branching device, the flow speed and flow of the flue gas are controlled, the flue gas contacts the catalytic filter bag, the surface filter layer and the catalytic filter layer enable the flue gas to be filtered and catalyzed, particles and harmful gases in the flue gas are removed, and the flue gas passes through the filter bag and is discharged from a gas outlet after chemical indexes reach the standard. And in addition, the blocked smoke dust falls into the ash hopper, and the gate valve is periodically opened according to the use condition of the equipment to treat the smoke dust.
Although the embodiments of the present invention have been described above, the above descriptions are only for the convenience of understanding the present invention, and are not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A novel filter bag type dust removal device is characterized by comprising an upper box body (1), a support (2), a gas storage shunt device (3), a gate valve (4), a guardrail (5), a maintenance detection port (6), a ladder stand (7), a heater (8), a catalytic filter bag (9), a touch type monitoring screen (10), an air inlet (11), an air outlet (12) and an ash hopper (13);
the upper box body (1) is arranged in the middle of the dust removal device;
the bracket (2) is arranged at the bottom of the dust removing device and is connected with the upper box body (1);
the gas storage branching device (3) is arranged on the side surface of the upper box body (1), and an electromagnetic valve is arranged in the gas storage branching device (3) and used for controlling the flow speed and the flow of gas;
the gate valve (4) is arranged at the bottom end of the support (2) and is connected with the support (2) through a connecting device, so that dust and moisture after filtration can be conveniently and clearly removed;
the guardrail (5) is arranged at the upper part of the upper box body (1) and is welded with the upper box body (1);
the maintenance detection port (6) is arranged at the upper part of the upper box body (1);
the ladder stand (7) is arranged on the side part of the upper box body (1);
the heater (8) is arranged inside the bracket (2), is connected with the air inlet (11) and is used for heating and drying the gas entering the air inlet (11) and providing filtering conditions for the catalytic filter bag (9);
the catalytic filter bags (9) are arranged inside the upper box body (1), a plurality of hole sites are arranged inside the upper box body (1), and the catalytic filter bags (9) are sequentially distributed and installed in the hole sites; filtering and reacting the harmful gas to form harmless gas, and discharging the harmless gas into the next device;
the touch monitoring screen (10) is arranged on the side part of the bracket (2) and is fixed on the bracket (2) through the box body;
the air inlet (11) is arranged at the side part of the bracket (2) and is connected with the ash bucket (13);
the air outlet (12) is arranged at the upper side part of the upper box body (1) and is connected with the upper box body (1).
2. A new filter bag dust collector as claimed in claim 1, characterized in that the catalytic filter bag (9) comprises a bag cage (9-1), a filter bag (9-2), a surface filter layer (9-3) and a catalytic filter layer (9-4).
3. The novel filter bag type dust collector as claimed in claim 1, wherein the catalytic filter bag (9) is an expanded polytetrafluoroethylene (ePTFE) membrane filter bag with a catalytic function, and fine particles on the surface of the filter bag are trapped by a Gole membrane.
4. The novel filter bag type dust collector as claimed in claim 1, wherein a humidity sensor, a temperature sensor and a pressure sensor are fixedly connected to the touch monitoring screen (10) for real-time monitoring and displaying of the value of the internal environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110658484.9A CN113332802A (en) | 2021-06-15 | 2021-06-15 | Novel filter bag type dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110658484.9A CN113332802A (en) | 2021-06-15 | 2021-06-15 | Novel filter bag type dust removal device |
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| Publication Number | Publication Date |
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| CN113332802A true CN113332802A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110658484.9A Pending CN113332802A (en) | 2021-06-15 | 2021-06-15 | Novel filter bag type dust removal device |
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| CN (1) | CN113332802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559630A (en) * | 2021-09-27 | 2021-10-29 | 江苏北辰环境科技有限公司 | Automatic ash cleaning method and system for dust removing equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196931A (en) * | 1997-01-14 | 1998-07-31 | Kubota Corp | Urban refuse incineration facility |
| US20100095843A1 (en) * | 2008-10-22 | 2010-04-22 | Gebert Richard E | Air Pollution Control Filter Elements for Filtration Systems |
| CN205925249U (en) * | 2016-08-21 | 2017-02-08 | 山东格润内泽姆环保科技有限公司 | Online monitored control system of sack cleaner |
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| CN109045866A (en) * | 2018-09-05 | 2018-12-21 | 福州清净环保设备有限公司 | A kind of back-fire relief type pulsed jet cloth filter |
| CN209791104U (en) * | 2019-01-17 | 2019-12-17 | 甘肃基亚特环保科技有限公司 | filter bag type dust removal device |
| CN212594913U (en) * | 2020-05-25 | 2021-02-26 | 浙江佳环工程技术有限公司 | Denitration, remove dioxin, dust removal function desulfurization dust pelletizing system as an organic whole |
-
2021
- 2021-06-15 CN CN202110658484.9A patent/CN113332802A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| JPH10196931A (en) * | 1997-01-14 | 1998-07-31 | Kubota Corp | Urban refuse incineration facility |
| US20100095843A1 (en) * | 2008-10-22 | 2010-04-22 | Gebert Richard E | Air Pollution Control Filter Elements for Filtration Systems |
| CN205925249U (en) * | 2016-08-21 | 2017-02-08 | 山东格润内泽姆环保科技有限公司 | Online monitored control system of sack cleaner |
| CN108379957A (en) * | 2018-05-09 | 2018-08-10 | 东莞市中海明环保科技有限公司 | A kind of fire-proof and explosion-proof off-line ash-clearing bag pulse dedusting device |
| CN109045866A (en) * | 2018-09-05 | 2018-12-21 | 福州清净环保设备有限公司 | A kind of back-fire relief type pulsed jet cloth filter |
| CN209791104U (en) * | 2019-01-17 | 2019-12-17 | 甘肃基亚特环保科技有限公司 | filter bag type dust removal device |
| CN212594913U (en) * | 2020-05-25 | 2021-02-26 | 浙江佳环工程技术有限公司 | Denitration, remove dioxin, dust removal function desulfurization dust pelletizing system as an organic whole |
Non-Patent Citations (3)
| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559630A (en) * | 2021-09-27 | 2021-10-29 | 江苏北辰环境科技有限公司 | Automatic ash cleaning method and system for dust removing equipment |
| CN113559630B (en) * | 2021-09-27 | 2021-11-26 | 江苏北辰环境科技有限公司 | Automatic ash cleaning method and system for dust removing equipment |
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Application publication date: 20210903 |