CN111375257A - Efficient ultra-clean modular dust collector and dust collection method - Google Patents
Efficient ultra-clean modular dust collector and dust collection method Download PDFInfo
- Publication number
- CN111375257A CN111375257A CN202010332884.6A CN202010332884A CN111375257A CN 111375257 A CN111375257 A CN 111375257A CN 202010332884 A CN202010332884 A CN 202010332884A CN 111375257 A CN111375257 A CN 111375257A
- Authority
- CN
- China
- Prior art keywords
- dust
- gas
- chamber
- clean
- ash removal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- B01D46/4272—Special valve constructions adapted to filters or filter elements
-
- 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
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- B01D46/525—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material which comprises flutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The application discloses a high-efficiency ultra-clean modular dust collector and a dust collection method. The high-efficiency ultra-clean modular dust collector comprises a gas purifying chamber, a dust gas chamber, a gas purifying channel, a dust-containing gas channel, a dust cleaning fan and a dust leakage hopper, wherein the dust gas chamber is communicated with the dust-containing gas channel; the inside of air-purifying chamber is formed with a plurality of little air chambers, and deashing consent and clean gas consent have been seted up respectively to the top and the bottom of every little air chamber, are connected with the deashing between deashing consent and the clean gas consent and switch the valves, and clean gas consent still communicates with clean gas channel, and clean gas channel communicates with the gas outlet, and deashing consent still communicates with deashing gas channel, and deashing gas channel passes through the inside intercommunication of fan with clean gas channel. The technical problem that the dust remover is inconvenient to control and large in maintenance and overhaul amount is solved.
Description
Technical Field
The application relates to the technical field of flue gas purification, in particular to a high-efficiency ultra-clean modular dust remover and a dust removing method.
Background
The flue gas treatment equipment is used for effectively treating toxic and harmful substances contained in flue gas to below a specified concentration, and is required to avoid adverse phenomena such as corrosion or blockage of the equipment, and generally comprises dust removal equipment, desulfurization equipment, denitration equipment and the like. There are many methods of flue gas treatment, but each has advantages and disadvantages. Especially, the cloth bag filtering mode is adopted to treat the smoke in the smoke dust treatment process, and the dust removing efficiency is high, so that the dust removing device has the advantage of meeting the requirement of environmental protection and emission. But the equipment has large volume, more equipment matching parts, large transportation and installation amount, great influence by the temperature and the components of the flue gas, long service life of less than three years and high operation and maintenance cost.
The defects of the similar products in the use process in the current market are as follows:
(1) the deashing system corollary equipment of current dust remover is more, include: the air compressor, the air storage tank, the compressed air pipeline, the regulating valve, the air bag, the electromagnetic valve, the injection pipe, the clean air lift valve and the like, some parts need to adopt imported products in order to meet the requirement of long-term stable operation, and the whole equipment has higher manufacturing cost;
(2) the existing dust remover has more supporting equipment, increases the installation workload and the intensity, has higher installation requirement, and needs a large amount of equipment and manpower during installation;
(3) the existing dust remover control system is complex and has higher requirements on operators;
(4) the existing dust remover has larger power consumption and higher operating cost;
(5) when any one of the existing dust collectors is in a problem, a fault point is not well eliminated, the maintenance is complex, and the normal production is influenced.
Aiming at the problems of inconvenient control and large maintenance and overhaul amount of a dust remover in the related technology, an effective solution is not provided at present.
Disclosure of Invention
The application mainly aims to provide a high-efficiency ultra-clean modular dust remover and a dust removing method, so that the problems that the dust remover is inconvenient to control and large in maintenance and overhaul amount are solved.
In order to achieve the purpose, the application provides an efficient ultra-clean modular dust collector and a dust collection method.
According to the high-efficient ultra-clean modularization dust remover of this application, high-efficient ultra-clean modularization dust remover includes: air-purifying chamber, dirt air chamber, clean gas channel, dusty gas channel, deashing gas channel, hourglass ash bucket and deashing fan, wherein:
the dust leakage hopper is arranged at the bottom of the dust chamber, the bottom of the dust chamber is communicated with the dust-containing gas channel, the dust-containing gas channel is provided with a dust gas inlet communicated with the interior of the dust-containing gas channel, the interior of the dust chamber is provided with a plurality of filtering components, and the interior of the dust chamber is communicated with the interior of the dust leakage hopper;
the inside of air-purifying chamber is formed with a plurality of little air chambers, every deashing consent and clean gas consent have been seted up respectively to the top and the bottom of little air chamber, the deashing consent with be connected with the deashing between the clean gas consent and switch the valves, clean gas consent still with clean gas channel intercommunication, clean gas channel and clean gas export intercommunication, the deashing consent still with deashing gas channel intercommunication, the deashing gas channel pass through the deashing fan with clean gas channel's inside intercommunication.
Furthermore, the air purifying chamber and the dust air chamber are separated by a pore plate, each filtering assembly is positioned between the dust air inlet and the air purifying outlet, and the top of each filtering assembly is connected with the pore plate.
Furthermore, two adjacent small air chambers are separated by a partition plate.
Furthermore, the filtering component comprises a filtering net piece and a fixing support for fixing the filtering net piece, the fixing support is of a rectangular frame structure arranged in the vertical direction, the edge of the filtering net piece is connected with the fixing support, and the top of the fixing support is connected with the pore plate.
Further, the filter mesh is of a flat-plate structure or the longitudinal section of the filter mesh is of a corrugated structure.
Furthermore, the ash removal switching valve group is arranged along the vertical direction, the clean air plug hole is communicated with the bottom of the ash removal switching valve group, and the ash removal plug hole is communicated with the top of the ash removal switching valve group.
Furthermore, the ash removal gas channel is communicated with the output end of the ash removal fan, and the clean gas channel is communicated with the input end of the ash removal fan.
Furthermore, each small air chamber in the air purifying chamber is respectively marked with a serial number, and a differential pressure transmitter is respectively arranged in each small air chamber.
According to the dust removing method, the dust removing method comprises the following steps:
step S1: controlling the ash removal switching valve group to open each air purifying plug hole and close each ash removal plug hole;
step S2: introducing dust-containing flue gas into the dust gas chamber from the dust gas inlet through the dust-containing gas channel, and filtering the dust-containing flue gas in the dust gas chamber through each filtering component to filter dust in the dust-containing flue gas;
step S3: the flue gas purified by the filtering component enters the gas purifying chamber, enters the gas purifying channel through the opened gas purifying plug hole, and is discharged outwards through a gas purifying outlet communicated with the gas purifying channel.
Further, the step S3 is followed by the step S4: cleaning dust attached to the filter assembly, wherein the cleaning method comprises the following steps:
step S401: controlling an ash removal switching valve group to open the ash removal plug hole of the small air chamber needing ash removal in the air purifying chamber and close the ash removal plug hole of the small air chamber needing ash removal;
step S402: part of the purified flue gas in the clean gas channel is led into the ash removal gas channel through the ash removal fan;
step S403: the purified flue gas entering the ash removal gas channel enters a small gas chamber needing ash removal in the gas purification chamber, and enters the dust gas chamber through the small gas chamber needing ash removal in the gas purification chamber;
step S404: in the process that the purified flue gas passes through each filtering component in the dust gas chamber, dust attached to each filtering component is blown off and falls into the dust leakage hopper;
step S405: and repeating the operation of the step S1, and purifying the introduced dust-containing flue gas again.
In the embodiment of the application, the bottom of the dust chamber is communicated with the dust-containing gas channel, the dust gas inlet is arranged on the dust-containing gas channel, the inside of the dust chamber is provided with a plurality of filtering components, the inside of the dust chamber is communicated with the inside of the dust hopper, the inside of the air purifying chamber is provided with a plurality of small gas chambers, the top and the bottom of each small gas chamber are respectively provided with an ash cleaning plug hole and a dust purifying plug hole, an ash cleaning switching valve group is connected between the ash cleaning plug hole and the dust purifying plug hole, the dust purifying plug hole is also communicated with the air purifying channel, the dust cleaning plug hole is also communicated with the ash cleaning gas channel, the ash cleaning gas channel is communicated with the inside of the air purifying channel through an ash cleaning fan, the ash cleaning plug holes of the air purifying plug hole and the ash cleaning plug hole can be controlled in a cross mode through the ash cleaning switching valve group, and therefore, The deashing effect, and then solved the dust remover and controlled inconvenient, the big technical problem of maintenance and repair volume.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic front view of the high efficiency ultra clean modular dust collector of the present invention;
FIG. 2 is a schematic diagram of the right-view structure of the high-efficiency ultra-clean modular dust collector of the invention;
fig. 3 is a schematic top view of the high-efficiency ultra-clean modular dust collector of the invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical welding connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
As shown in fig. 1 to 3, the present application relates to a high efficiency ultra-clean modular duster comprising: air-purifying chamber 1, dirt air chamber 2, clean gas passageway 8, dusty gas passageway, deashing gas passageway 7, hourglass ash bucket 3 and deashing fan 6, wherein: the dust-removing device comprises a dust-removing chamber 1, a dust-leaking hopper 3, a dust-containing gas channel, a dust gas inlet 201, a plurality of filtering components 4 and a dust-leaking hopper 3, wherein the dust-removing chamber 1 is arranged at the top of the dust-containing chamber 2, the dust-leaking hopper 3 is arranged at the bottom of the dust-containing chamber 2, the bottom of the dust-containing gas chamber 2 is communicated with the dust-containing gas channel, the dust-containing gas channel is provided with the dust gas inlet 201 communicated with the interior of the dust-containing gas channel, the; deashing gas channel 7 is located the top of air-purifying chamber 1, clean gas channel 8 is located the below of air-purifying chamber 1, the inside of air-purifying chamber 1 is formed with a plurality of little air chambers, the deashing consent has all been seted up at the top of every little air chamber, clean gas consent has all been seted up to the bottom of every little air chamber, be connected with deashing switching valves 5 between deashing consent and the clean gas consent, clean gas consent still communicates with clean gas channel 8, clean gas channel 8 and clean gas export 202 intercommunication, the deashing consent still communicates with deashing gas channel 7, deashing gas channel 7 communicates through deashing fan 6 and clean gas channel 8's inside. The invention can cross control the on-off of the clean air plug hole and the ash removal plug hole through the ash removal switching valve group 5, thereby achieving the purposes of purifying and cleaning the flue gas, being convenient to control and having good dust removal and ash removal effects.
Further, the ash removal gas channel 7 is communicated with the output end of the ash removal fan 6, and the clean gas channel 8 is communicated with the input end of the ash removal fan 6.
In an alternative embodiment of the present invention, as shown in fig. 1, the clean air chamber 1 is separated from the dust air chamber 2 by a perforated plate, each filter assembly 4 is located between the dust air inlet 201 and the clean air outlet 202, and the top of each filter assembly 4 is connected to the perforated plate.
In an alternative embodiment of the invention, two adjacent small air chambers are separated by a partition plate.
In an alternative embodiment of the present invention, the filtering assembly 4 includes a filtering net sheet and a fixing bracket for fixing the filtering net sheet, the fixing bracket is a rectangular frame structure arranged along a vertical direction, the edge of the filtering net sheet is connected with the fixing bracket, and the top of the fixing bracket is connected with the orifice plate. The filter screen is stably arranged in the dust chamber 2 through the fixed support, so that the filter effect on dust in the flue gas is improved, the volume of the dust remover is greatly reduced, and compared with the volume of the dust remover for treating the same amount of flue gas, the volume of the dust remover is reduced by 2 times to 4 times. In addition, the filtering component 4 is convenient to detach and install, so that the maintenance and the overhaul are convenient for workers, and the service life of the filtering component 4 is greatly prolonged.
Furthermore, the filter net is of a flat-plate structure or the longitudinal section of the filter net is of a corrugated structure, so that the contact area between the filter net and the smoke is increased, and the smoke filtering efficiency is improved.
In an alternative embodiment of the present invention, as shown in fig. 1, the ash removal switching valve set 5 is arranged in a vertical direction, the clean air plug hole is communicated with the bottom of the ash removal switching valve set 5, and the ash removal plug hole is communicated with the top of the ash removal switching valve set 5.
Further, as shown in fig. 1 and 2, the ash removal switching valve set 5 includes a driving cylinder 501, the driving cylinder 501 is located above the air purifying chamber 1 and the ash removal gas channel 7, a piston rod of the driving cylinder 501 extends into the air purifying chamber 1 and is located between the ash removal plug hole and the ash removal plug hole, a first piston 502 and a second piston 503 are arranged on the piston rod of the driving cylinder 501, when the first piston 502 plugs the ash removal plug hole, the second piston 503 is separated from the ash removal plug hole, and when the second piston 503 plugs the ash removal plug hole, the first piston 502 is separated from the ash removal plug hole. Can satisfy the demand of controlling the break-make of net gas consent and deashing consent simultaneously through deashing switching valves 5, and only adopt one deashing switching valves 5 can possess the function of two diverter valves (net gas diverter valve and deashing diverter valve), reduced equipment cost's input, reduced area, reduce fault rate and maintenance rate, make things convenient for operation control moreover.
Further, the driving cylinder 501 may be, but is not limited to, a cylinder or a pneumatic cylinder.
In an alternative embodiment of the present invention, the small air chambers in the air purifying chamber 1 are respectively marked with serial numbers.
In an alternative embodiment of the present invention, a differential pressure transmitter is respectively arranged in each small air chamber in the air purifying chamber 1.
From the above description, it can be seen that the present invention achieves the following technical effects:
the high-efficiency ultra-clean modular dust collector is characterized in that the bottom of a dust chamber 2 is communicated with a dust-containing gas channel, the dust-containing gas channel is provided with a dust gas inlet 201, the inside of the dust chamber 2 is provided with a plurality of filter components 4, the inside of the dust chamber 2 is communicated with the inside of a dust hopper 3, the inside of an air purifying chamber 1 is provided with a plurality of small gas chambers, the top and the bottom of each small gas chamber are respectively provided with a dust cleaning plug hole and a dust purifying plug hole, a dust cleaning switching valve group 5 is connected between the dust cleaning plug holes and the dust purifying plug holes, the dust purifying plug holes are also communicated with a dust cleaning gas channel 7, the dust cleaning gas channel 7 is communicated with the inside of the dust cleaning gas channel 8 through a dust cleaning fan 6, the on-off of the dust cleaning plug holes and the dust cleaning plug holes can be controlled in a cross way through the dust cleaning switching valve group 5, thereby achieving the purposes of purifying and cleaning the smoke, the control is convenient, and the dust removing and ash cleaning effects are good.
Example two
The application relates to a dust removal method, which comprises the following steps:
step S1: controlling the ash removal switching valve group 5 to open each clean air plug hole and close each ash removal plug hole;
step S2: introducing dust-containing flue gas into the dust gas chamber 2 from the dust gas inlet 201 through the dust-containing gas channel, and filtering the dust-containing flue gas in the dust gas chamber 2 through each filtering component 4 to filter dust in the dust-containing flue gas;
step S3: the flue gas purified by the filtering component 4 enters the gas purifying chamber 1, enters the gas purifying channel 8 through the opened gas purifying plug hole, and is discharged outside through the gas purifying outlet 202 communicated with the gas purifying channel 8.
In an alternative embodiment of the present invention, step S3 is followed by step S4: cleaning the dust attached to the filter assembly 4, wherein, including:
step S401: controlling the ash removal switching valve group 5 to open an ash removal plug hole of a small air chamber needing ash removal in the air purifying chamber 1 and close the ash removal plug hole of the small air chamber needing ash removal;
step S402: leading part of the purified flue gas in the clean gas channel 8 to the ash removal gas channel 7 through the ash removal fan 6;
step S403: the part of the purified flue gas entering the ash removal gas channel 7 enters a small gas chamber needing ash removal in the gas purification chamber 1 and enters a dust gas chamber 2 through the small gas chamber needing ash removal in the gas purification chamber 1;
step S404: in the process that the purified flue gas passes through each filtering component 4 in the dust and gas chamber 2, dust attached to each filtering component 4 is blown off and falls into the dust leakage hopper 3;
step S405: and repeating the operation of the step S1, and purifying the introduced dust-containing flue gas again.
In an alternative embodiment of the present invention, the small air chambers in the air purifying chamber 1 are respectively marked with serial numbers. In the operation process, the clean air plug hole in the first small air chamber is controlled to be closed, the ash removal plug hole of the first small air chamber is controlled to be opened, at the moment, clean smoke is introduced into the first small air chamber by the ash removal fan 6, and dust attached to the filtering component 4 in the dust air chamber 2 corresponding to the lower portion of the first small air chamber is cleaned. After cleaning the filtering component 4 corresponding to the lower part of the first small air chamber for a certain time, controlling the ash cleaning plug hole and the air purifying plug hole to recover to the initial state, then opening the ash cleaning plug hole of the second small air chamber, closing the air purifying plug hole of the second small air chamber, then cleaning the dust attached to the filtering component 4 in the dust air chamber 2 corresponding to the lower part of the second small air chamber, after cleaning the filtering component 4 corresponding to the lower part of the second small air chamber, controlling the ash cleaning plug hole and the air purifying plug hole to recover to the initial state, and sequentially cleaning the dust attached to the filtering components 4 in the dust air chambers 2 corresponding to the lower parts of other residual small air chambers according to the mode.
In an optional embodiment of the present invention, a differential pressure transmitter is respectively disposed in each small air chamber in the air purifying chamber 1, and the resistance value in the corresponding small air chamber is detected by the differential pressure transmitter. In the operation process, firstly, the clean air plug hole in the first small air chamber exceeding the operation resistance value is closed, and meanwhile, the ash removal plug hole of the same small air chamber is opened, at the moment, clean air is introduced by the ash removal fan 6 and dust attached to the filter assembly 4 arranged in the dust air chamber 2 below the small air chamber unit is cleaned. After cleaning the filter component 4 in the first small air chamber for a certain time, controlling the ash cleaning plug hole and the air purifying plug hole to recover to the initial state, then opening the ash cleaning plug hole of the second small air chamber exceeding the operation resistance value, closing the air purifying plug hole, cleaning the dust attached to the filter component 4 in the dust air chamber 2 below the second small air chamber, after the cleaning of the filter component of the second small air chamber is finished, controlling the ash cleaning plug hole and the air purifying plug hole to recover to the initial state, and sequentially cleaning the dust attached to the filter component 4 in the dust air chamber 2 corresponding to the lower part of other residual small air chambers according to the mode.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An efficient ultra-clean modular precipitator, comprising: air-purifying chamber (1), dirt air chamber (2), clean gas passageway (8), dusty gas passageway, deashing gas passageway (7), hourglass ash bucket (3) and deashing fan (6), wherein:
the dust-leakage hopper is characterized in that the air purifying chamber (1) is arranged at the top of the dust chamber (2), the dust-leakage hopper (3) is arranged at the bottom of the dust chamber (2), the bottom of the dust chamber (2) is communicated with the dust-containing gas channel, the dust-containing gas channel is provided with a dust-gas inlet (201) communicated with the interior of the dust-containing gas channel, a plurality of filtering components (4) are arranged in the dust chamber (2), and the interior of the dust chamber (2) is communicated with the interior of the dust-leakage hopper (3);
the inside of air-purifying chamber (1) is formed with a plurality of little air chambers, every deashing consent and clean gas consent have been seted up respectively to the top and the bottom of little air chamber, the deashing consent with be connected with deashing switching valves (5) between the clean gas consent, clean gas consent still with clean gas channel (8) intercommunication, clean gas channel (8) and clean gas export (202) intercommunication, the deashing consent still with deashing gas channel (7) intercommunication, deashing gas channel (7) are passed through deashing fan (6) with the inside intercommunication of clean gas channel (8).
2. The dust collector as claimed in claim 1, wherein the air-purifying chamber (1) is separated from the dust chamber (2) by a perforated plate, each filter assembly (4) is located between the dust inlet (201) and the air-purifying outlet (202), and the top of each filter assembly (4) is connected to the perforated plate.
3. The high efficiency ultra clean modular dust collector of claim 1 wherein two adjacent small air chambers are separated by a partition.
4. The dust collector as claimed in claim 1, wherein the filter assembly (4) comprises a filter screen and a fixing bracket for fixing the filter screen, the fixing bracket is a rectangular frame structure arranged along a vertical direction, the edge of the filter screen is connected with the fixing bracket, and the top of the fixing bracket is connected with the orifice plate.
5. The dust collector of claim 4, wherein the filter mesh is a flat structure or the longitudinal section of the filter mesh is a corrugated structure.
6. The high-efficiency ultra-clean modular dust collector as claimed in claim 1, wherein the ash removal switching valve set (5) is arranged in a vertical direction, the clean air plug hole is communicated with the bottom of the ash removal switching valve set (5), and the ash removal plug hole is communicated with the top of the ash removal switching valve set (5).
7. The high efficiency ultra clean modular duster of claim 1, wherein said ash removal gas channel (7) is in communication with the output of said ash removal fan (6) and said clean gas channel (8) is in communication with the input of said ash removal fan (6).
8. The high-efficiency ultra-clean modular dust collector as claimed in claim 1, wherein each of the small air chambers in the air-purifying chamber (1) is marked with a serial number, and a differential pressure transmitter is arranged in each of the small air chambers.
9. A dust removal method is characterized by comprising the following steps:
step S1: controlling the ash removal switching valve group (5) to open each clean air plug hole and close each ash removal plug hole;
step S2: introducing dust-containing flue gas into the dust gas chamber (2) from the dust gas inlet (201) through the dust-containing gas channel, and filtering the dust-containing flue gas in the dust gas chamber (2) through each filtering component (4) to filter dust in the dust-containing flue gas;
step S3: the flue gas purified by the filtering component (4) enters the gas purifying chamber (1), enters the gas purifying channel (8) through the opened gas purifying plug hole, and is discharged outwards through a gas purifying outlet (202) communicated with the gas purifying channel (8).
10. The dust removal method of claim 9, further comprising, after the step S3, a step S4: cleaning dust attached to the filter assembly (4), wherein the cleaning method comprises the following steps:
step S401: controlling an ash removal switching valve group (5) to open the ash removal plug hole of the small air chamber needing ash removal in the air purifying chamber (1), and closing the ash removal plug hole of the small air chamber needing ash removal;
step S402: the part of the purified flue gas in the clean gas channel (8) is guided into the ash removal gas channel (7) through the ash removal fan (6);
step S403: the purified flue gas entering the ash removal gas channel (7) enters a small gas chamber needing ash removal in the gas purification chamber (1), and enters the dust gas chamber (2) through the small gas chamber needing ash removal in the gas purification chamber (1);
step S404: in the process that the purified flue gas passes through the filtering components (4) in the dust gas chamber (2), dust attached to the filtering components (4) is blown off and falls into the dust leakage hopper (3);
step S405: and repeating the operation of the step S1, and purifying the introduced dust-containing flue gas again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332884.6A CN111375257A (en) | 2020-04-24 | 2020-04-24 | Efficient ultra-clean modular dust collector and dust collection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332884.6A CN111375257A (en) | 2020-04-24 | 2020-04-24 | Efficient ultra-clean modular dust collector and dust collection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111375257A true CN111375257A (en) | 2020-07-07 |
Family
ID=71214273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010332884.6A Pending CN111375257A (en) | 2020-04-24 | 2020-04-24 | Efficient ultra-clean modular dust collector and dust collection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111375257A (en) |
-
2020
- 2020-04-24 CN CN202010332884.6A patent/CN111375257A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103100271B (en) | Tobacco dust flat bag horizontal insertion, off-line deashing and dedusting unit modular combined deduster unit | |
| KR20080086633A (en) | Dust collector | |
| CN106861305B (en) | Internal filtering negative pressure type dust removing device and dust removing method thereof | |
| CN112642234A (en) | Flue gas purification device for industrial boiler | |
| CN104832693B (en) | A kind of anti-clogging intelligent valve positioner and intelligent valve | |
| CN114345041A (en) | Integrated equipment for industrial waste gas treatment | |
| CN203075779U (en) | Combined tobacco dust removal unit with transversely inserted flat bags, offline ash of dust removal units and modularized dust removal units | |
| CN212855074U (en) | High-efficiency ultra-clean modular dust collector | |
| CN111375257A (en) | Efficient ultra-clean modular dust collector and dust collection method | |
| CN213995171U (en) | Bag collector with from deashing function | |
| CN213965575U (en) | Coke oven loss smoke and dust distributing type dust pelletizing system | |
| CN109603338A (en) | A kind of more valve associations dynamic air-flow bag type dust-remover | |
| CN202036887U (en) | Dust collecting device for sintering pipe | |
| CN212594938U (en) | Efficient desulfurization dust removal integrated device | |
| KR20090078997A (en) | Air pulse type dust collector using ceramic filter | |
| CN211189591U (en) | Novel combined type dust remover of adaptable different operating modes | |
| CN200995111Y (en) | Oil fume purifier for roasted food | |
| CN210786700U (en) | Convection type blowing and sucking dust removal device | |
| CN112138475A (en) | Distributed dust removal system for smoke dissipated by coke oven and working method thereof | |
| CN112337210A (en) | Bag collector with from deashing function | |
| CN202802999U (en) | Negative-pressure dust collecting device with double gas paths | |
| CN102225282B (en) | De-dusting device for plastic tube | |
| CN204865429U (en) | Strain cylinder dust remover | |
| CN100393390C (en) | Combined filter tube element pulse dust-collector | |
| CN220633527U (en) | Differential pressure type pulse dust removal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |