CN211676764U - Dust collector for aluminium hydroxide roasting furnace and have its aluminium hydroxide roasting system - Google Patents
Dust collector for aluminium hydroxide roasting furnace and have its aluminium hydroxide roasting system Download PDFInfo
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- CN211676764U CN211676764U CN201922313619.9U CN201922313619U CN211676764U CN 211676764 U CN211676764 U CN 211676764U CN 201922313619 U CN201922313619 U CN 201922313619U CN 211676764 U CN211676764 U CN 211676764U
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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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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model belongs to the technical field of aluminium hydroxide processing, concretely relates to aluminium hydroxide is dust collector for roaster and has its aluminium hydroxide roasting system, through the bag filter chamber that sets up and air inlet intercommunication, the filter bag has hung in the bag filter chamber, one side and bag filter chamber intercommunication, the air-purifying chamber of opposite side and gas outlet intercommunication, waste gas enters into the bag filter chamber by the air inlet, through the filtration of filter bag, dust in the waste gas is filtered on the filter bag, drop to in the hopper, gas in the waste gas enters into the air-purifying chamber, and discharge by the gas outlet, still be equipped with access hole and access hole on the casing, be convenient for at the filter bag damage, change local filter bag when blockking up, the maintenance, the utility model provides a aluminium hydroxide is dust collector for roaster has rational in infrastructure, the filter fineness is high, the characteristics of dismouting and maintenance of being convenient for.
Description
Technical Field
The utility model belongs to the technical field of aluminium hydroxide processing, concretely relates to aluminium hydroxide is dust collector and has its aluminium hydroxide baking system for roaster.
Background
The production in the aluminum industry comprises the working procedures of electrolysis, casting, pressure processing, surface treatment and the like, and waste water, waste residues and waste gas are generated in different degrees in all the working procedures during production. A large amount of aluminum ash is generated during electrolysis and casting, a die-cooking alkaline waste liquid is generated in the extrusion process, various waste water and waste residues containing acid, alkali, treatment agents, chromium, nickel heavy metal ions and other complex components are generated in the surface treatment process, high-temperature flue gas at 350 ℃ is generated in the production of an aluminum hydroxide roasting furnace, the flue gas contains aluminum hydroxide dust, and the production wastes have certain harm to environmental ecology and human health. Especially dust pollution, and needs to be treated in time in order to protect the life and health of production personnel. In the filtering operation, there are two problems, on the one hand, the high requirement for the heat resistance of the filtering device and, on the other hand, the inconvenience of maintenance when the filter bag is clogged and broken.
In the prior art, patent document with the publication number of CN205055735U provides a waste gas dust removing device for an aluminum hydroxide roasting furnace, which comprises a cooling pretreatment area, a gravity dust removing area, a waste gas treatment area and a fine dust removing area which are arranged on a cooling group frame, wherein the cooling pretreatment area comprises a cooling pipe group, the cooling pipe group comprises a plurality of heat exchange pipe bundles, and an inlet end enclosure is connected above the cooling pipe group; the gravity dust removal area comprises an air collection box chamber, and a primary ash storage hopper is arranged below the air collection box chamber; the fine dust removal area comprises a flow equalizing box, a plurality of baffle plates are arranged in the flow equalizing box, a second-stage ash storage hopper is connected below the flow equalizing box, and the problem of overhigh waste gas temperature is solved by arranging a cooling pretreatment area in the technical scheme in the patent document.
On the other hand, a commonly used filtering device in the prior art is generally a bag-type dust collector, for example, patent document with publication number CN204294027U provides a bag-type dust collector, which includes a dust collecting box, a baffle is disposed in the dust collecting box, the baffle divides an inner cavity of the dust collecting box into a left sub-chamber and a right sub-chamber with communicated bottoms, a partition is disposed in the right sub-chamber, the partition divides the right sub-chamber into a clean room and an upper sub-chamber and a lower sub-chamber of a filtering chamber, a filter bag is suspended on the partition, a pulse ash removing device is disposed on an upper surface of an outer wall of the clean room, an elbow pipe is disposed at a gas outlet of the side wall of the clean room. The technical scheme that this patent document provided is common dust remover structure, when the filter bag appears blockking up the damage, needs to unpack whole device apart and change the filter bag, and is very inconvenient.
Therefore, it is required to develop a dust removing apparatus that facilitates replacement of the filter bag.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dust collector and have its aluminium hydroxide baking system for aluminium hydroxide baking furnace to solve among the prior art inconvenient problem of cassette change.
The utility model discloses a dust collector for aluminium hydroxide roasting furnace adopts following technical scheme:
the dust removal device for the aluminum hydroxide roasting furnace comprises a shell, wherein the shell is provided with an air inlet for waste gas to enter and a gas outlet for filtered gas to discharge, a bag filter chamber communicated with the air inlet and hung with a filter bag is arranged in the shell, a hopper for collecting waste dust is arranged below the bag filter chamber in the shell, an air purifying chamber is arranged above the bag filter chamber in the shell, one side of the air purifying chamber is communicated with the bag filter chamber, and the other side of the air purifying chamber is communicated with the gas outlet, and the dust removal device is characterized in that: the filter bag hanging device is characterized in that a plurality of access holes for replacing filter bags are formed in the position, close to the filter bag hanging position, of the shell, and access windows are detachably arranged in the access holes in a one-to-one correspondence mode.
Further, the filter bag is a metal filter bag with an opening at the upper part.
Furthermore, a pore plate with through holes is arranged between the bag filtering chamber and the air purifying chamber, and the openings of the filter bags are correspondingly hung on the pore plate one by one with the through holes.
Furthermore, the dust removal device for the aluminum hydroxide roasting furnace further comprises a purging mechanism for cleaning dust on the outer surface of the filter bag.
Furthermore, the blowing mechanism comprises an injection tube arranged above the filter bag and an injection air bag connected with the injection tube, and the injection air bag is communicated with a corresponding compressed air pipe network.
Further, the blowing air bags are distributed on the front side and the rear side of the outer portion of the shell.
Further, the manhole is provided on an upper surface of the housing.
Furthermore, the shell is provided with an air inlet channel for realizing the communication between an air inlet and the bag filter chamber, and a flow guide baffle plate extending from top to bottom is arranged at the joint of the bag filter chamber and the air inlet channel, so that waste gas enters the bag filter chamber from a position close to the bottom of the bag filter chamber.
Furthermore, the outside of the shell is also provided with a stair convenient for a worker to overhaul and operate and a platform positioned at the upper end of the stair.
The utility model discloses an aluminium hydroxide roasting system adopts following technical scheme:
the aluminum hydroxide roasting system comprises a storage bin, a roasting furnace communicated with the storage bin and a dust removal device communicated with a waste gas discharge port of the roasting furnace, and is characterized in that: the dust removal device is the same as the technical scheme in the dust removal device for the aluminum hydroxide roasting furnace, and is not described again.
The utility model has the advantages that:
the utility model provides a dust collector for aluminium hydroxide roasting furnace, through the bag filter chamber that sets up and air inlet intercommunication, the filter bag has hung in the bag filter chamber, one side and bag filter chamber intercommunication, the air-purifying chamber of opposite side and gas outlet intercommunication, waste gas enters into the bag filter chamber by the air inlet, through the filtration of filter bag, dust in the waste gas is filtered on the filter bag, drop to in the hopper, gas in the waste gas enters into the air-purifying chamber, and discharge by the gas outlet, still be equipped with access hole and access hole on the casing, be convenient for damaged at the filter bag, change local filter bag when blockking up, the maintenance, the utility model provides a dust collector for aluminium hydroxide roasting furnace has rational in infrastructure, the filter fineness is high, the characteristics of the dismouting and the maintenance of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a dust removing device for an aluminum hydroxide roaster according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view of the dust removing device for the aluminum hydroxide roaster of the present invention;
reference numerals:
1: an air inlet; 2: an inlet seal plate; 3: an orifice plate; 4: a filter bag; 5: blowing an air bag; 6: a blowing pipe; 7: an access hole; 8: a support beam; 9: a gas purifying chamber; 10: an outlet seal plate; 11: a bag house; 12: an air outlet; 13: a hopper; 14: a flow guide baffle plate; 15: a staircase; 16: a platform; 17: a housing; 18: an air intake passage; 19: and an air outlet channel.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment of the dust removing device for the aluminum hydroxide roasting furnace of the utility model is shown in figures 1 to 2, and comprises a shell 17, an air inlet 1 for waste gas to enter and an air outlet 12 for filtered gas to exit are arranged on the shell 17, the interior of the shell 17 is provided with a dust removing device communicated with the air inlet 1, hang bag filter chamber 11 that has filter bag 4, the inside of casing 17 is provided with the hopper 13 that is used for collecting the waste dust in the below of bag filter chamber 11, the inside of casing 17 is provided with air-purifying chamber 9 in the top of bag filter chamber 11, one side and the bag filter chamber 11 intercommunication of air-purifying chamber 9, opposite side and gas outlet 12 intercommunication, be equipped with a plurality of manhole 7 that are used for changing filter bag 4 on the casing 17 in the position that is close to filter bag 4 suspension department, the removable access windows that are equipped with of one-to-one on the access hole 7, furthermore, the access hole 7 of this embodiment sets up the upper surface at casing 17. In this embodiment, the one end and the access hole 7 of access hole are articulated, be equipped with the hasp between relative one end and the access hole 7, bag filter 11 through setting up and 1 intercommunication of air inlet, filter bag 4 has hung in the bag filter 11, one side and bag filter 11 intercommunication, the air-purifying chamber 9 of opposite side and gas outlet 12 intercommunication, waste gas enters into bag filter 11 by air inlet 1, through the filtration of filter bag 4, dust in the waste gas is filtered on filter bag 4, drop to hopper 13 in, gas in the waste gas enters into air-purifying chamber 9, and discharge by gas outlet 12, still be equipped with access hole 7 and access hole on the casing 17, be convenient for at filter bag 4 damage, change local filter bag 4 when blockking up, the maintenance, the utility model provides a dust collector for aluminium hydroxide roasting furnace has characteristics rational in infrastructure, the filter fineness is high, the dismouting and the maintenance of being convenient for.
In order to adapt to the high temperature of the waste gas and reduce the cooling ring sections, the filter bag 4 in the embodiment is a metal filter bag with an opening at the upper part, specifically is cylindrical with a sealed bottom, is made of metal materials and is beneficial to improving the high-temperature bearing performance, and the metal filter bag also has the characteristics of small filtering resistance and smooth waste gas passing.
In this embodiment, in order to stably arrange the filter bag 4 in the device, the orifice plate 3 and the support beam 8 having the through holes are arranged between the bag house 11 and the air purification chamber 9, the orifice plate 3 is arranged on the support beam 8, the reinforcing ribs are arranged between the support beam 8 and the inner wall of the housing 17, and the openings of the filter bag 4 and the through holes are hung on the orifice plate 3 in a one-to-one correspondence.
In order to prolong the service life of the filter bag 4, the dust removal device for the aluminum hydroxide roasting furnace further comprises a blowing mechanism for cleaning dust on the outer surface of the filter bag 4, and the blowing mechanism is used for blowing and sucking the filter bag 4 regularly, so that the filter bag 4 can be prevented from being blocked, and the dust on the outer surface of the filter bag 4 and in the bag filter chamber 11 can fall into the hopper 13.
As mentioned above, the blowing mechanism in this embodiment includes the blowing tube 6 disposed above the filter bag 4 and the blowing air bag 5 connected to the blowing tube 6, the blowing air bag 5 is communicated with the corresponding compressed air pipe network, specifically, the blowing tube 6 is provided with blowing holes corresponding to the filter bag 4 one to one, so as to blow the filter bag 4 with the compressed air.
In this embodiment, the air inlet 1 and the air outlet 12 are disposed on the left and right sides of the housing 17, the blowing air bags 5 are distributed on the front and rear sides outside the housing 17, and the blowing air bags 5 on the two sides are respectively communicated with the corresponding blowing pipes 6.
In order to make the waste gas contact the filter bag 4 in the bag filter chamber 11 more fully, and improve the filtering effect, the housing 17 has an air inlet channel 18 for realizing the communication between the air inlet 1 and the bag filter chamber 11 and extending along the up-down direction, a diversion baffle 14 extending from top to bottom is arranged at the joint of the bag filter chamber 11 and the air inlet channel 18, so that the waste gas enters the bag filter chamber 11 from a position close to the bottom of the bag filter chamber 11, in addition, an inlet closing plate 2 for avoiding the direct entering of the waste gas is arranged at the left end of the air purifying chamber 9, an outlet closing plate 10 for avoiding the direct discharging of the waste gas is arranged at the right side of the bag filter chamber 11, and the housing 17 has an air outlet channel 19 extending along the up-down direction for realizing the communication between the air outlet.
Further, the outside of the shell 17 is also provided with a stair 15 convenient for workers to overhaul and operate, and a platform 16 positioned at the upper end of the stair 15, and the blowing air bag 5 is arranged on the platform 16.
It should be noted that, in other embodiments of the present invention, the position of the manhole 7 may be set on the side of the housing, the number of the hoppers may be 4 or 6, and the shape of the air inlet may be conical or cylindrical; the orifice plate can be directly arranged in the shell by adopting a threaded connector; the shape of the through hole on the orifice plate can be circular or oval.
The utility model discloses an embodiment of aluminium hydroxide calcination system. The aluminum hydroxide roasting system comprises a storage bin, a roasting furnace communicated with the storage bin and a dust removal device communicated with a waste gas discharge port of the roasting furnace, wherein the dust removal device is the same as the dust removal device for the aluminum hydroxide roasting furnace in the specific implementation mode, and the details are not repeated.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The dust removal device for the aluminum hydroxide roasting furnace comprises a shell, wherein the shell is provided with an air inlet for waste gas to enter and a gas outlet for filtered gas to discharge, a bag filter chamber communicated with the air inlet and hung with a filter bag is arranged in the shell, a hopper for collecting waste dust is arranged below the bag filter chamber in the shell, an air purifying chamber is arranged above the bag filter chamber in the shell, one side of the air purifying chamber is communicated with the bag filter chamber, and the other side of the air purifying chamber is communicated with the gas outlet, and the dust removal device is characterized in that: the filter bag hanging device is characterized in that a plurality of access holes for replacing filter bags are formed in the position, close to the filter bag hanging position, of the shell, and access windows are detachably arranged in the access holes in a one-to-one correspondence mode.
2. The dust removing device for the aluminum hydroxide roasting furnace according to claim 1, characterized in that: the filter bag is a metal filter bag with an opening at the upper part.
3. The dust removing device for the aluminum hydroxide roasting furnace according to claim 2, characterized in that: and a pore plate with through holes is arranged between the bag filtering chamber and the air purifying chamber, and the openings of the filter bags are hung on the pore plate in a one-to-one correspondence manner with the through holes.
4. The dust removing device for the aluminum hydroxide roasting furnace according to claim 1 or 2, characterized in that: the dust removal device for the aluminum hydroxide roasting furnace further comprises a purging mechanism for cleaning dust on the outer surface of the filter bag.
5. The dust removing device for the aluminum hydroxide roasting furnace according to claim 4, characterized in that: the blowing mechanism comprises an injection tube arranged above the filter bag and an injection air bag connected with the injection tube, and the injection air bag is communicated with a corresponding compressed air pipe network.
6. The dust removing device for the aluminum hydroxide roasting furnace according to claim 5, characterized in that: the blowing air bags are distributed on the front side and the rear side of the outer portion of the shell.
7. The dust removing device for the aluminum hydroxide roasting furnace according to claim 4, characterized in that: the access hole is arranged on the upper surface of the shell.
8. The dust removing device for the aluminum hydroxide roasting furnace according to claim 4, characterized in that: the shell is provided with an air inlet channel for realizing the communication between an air inlet and the bag filter chamber, and a flow guide baffle plate extending from top to bottom is arranged at the joint of the bag filter chamber and the air inlet channel, so that waste gas enters the bag filter chamber from a position close to the bottom of the bag filter chamber.
9. The dust removing device for the aluminum hydroxide roasting furnace according to claim 4, characterized in that: the outside of the shell is also provided with a stair convenient for a worker to overhaul and operate and a platform positioned at the upper end of the stair.
10. The aluminum hydroxide roasting system comprises a storage bin, a roasting furnace communicated with the storage bin and a dust removal device communicated with a waste gas discharge port of the roasting furnace, and is characterized in that: the dust removing device is the dust removing device for the aluminum hydroxide roasting furnace, which is defined by any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313619.9U CN211676764U (en) | 2019-12-20 | 2019-12-20 | Dust collector for aluminium hydroxide roasting furnace and have its aluminium hydroxide roasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313619.9U CN211676764U (en) | 2019-12-20 | 2019-12-20 | Dust collector for aluminium hydroxide roasting furnace and have its aluminium hydroxide roasting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211676764U true CN211676764U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922313619.9U Active CN211676764U (en) | 2019-12-20 | 2019-12-20 | Dust collector for aluminium hydroxide roasting furnace and have its aluminium hydroxide roasting system |
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| CN (1) | CN211676764U (en) |
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- 2019-12-20 CN CN201922313619.9U patent/CN211676764U/en active Active
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