CN111006496B - Sealing device of drying cylinder, drying cylinder and aluminum scraps pretreatment system - Google Patents
Sealing device of drying cylinder, drying cylinder and aluminum scraps pretreatment system Download PDFInfo
- Publication number
- CN111006496B CN111006496B CN201911334219.4A CN201911334219A CN111006496B CN 111006496 B CN111006496 B CN 111006496B CN 201911334219 A CN201911334219 A CN 201911334219A CN 111006496 B CN111006496 B CN 111006496B
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- China
- Prior art keywords
- impeller
- opening part
- drying cylinder
- sealing device
- aluminum
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Links
- 238000001035 drying Methods 0.000 title claims abstract description 88
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 86
- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 19
- 239000003546 flue gas Substances 0.000 description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000003517 fume Substances 0.000 description 9
- 239000002173 cutting fluid Substances 0.000 description 8
- 238000003912 environmental pollution Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 239000006148 magnetic separator Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/042—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves with electric means, e.g. for controlling the motor or a clutch between the valve and the motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides a sealing device of a drying cylinder, the drying cylinder and an aluminum scrap pretreatment system. The sealing device comprises: the shell is provided with a first opening part and a second opening part; the second opening part is positioned below the first opening part and is used for abutting against a charging hole of the drying cylinder so as to enable the material to be dried to move along the direction of the first opening part pointing to the second opening part; the impeller is arranged in the shell and positioned between the first opening part and the second opening part and used for blocking the first opening part and the second opening part; the impeller comprises a blade groove, the blade groove is used for bearing the material to be dried, and the impeller is suitable for changing the orientation of the blade groove through rotation so that the material to be dried falls into the drying cylinder. The sealing device provided by the invention is used for covering the charging hole of the drying cylinder by the rotating wheel, so that the possibility of overflowing of smoke in the drying cylinder is reduced, and the sealing device can be used for blocking the smoke and charging the drying cylinder simultaneously by rotating the rotating wheel, so that the continuous operation of the drying cylinder is ensured.
Description
Technical Field
The invention relates to the technical field of automobile manufacturing, in particular to a sealing device of a drying cylinder, the drying cylinder comprising the sealing device and an aluminum scrap pretreatment system comprising the drying cylinder.
Background
At present, aluminum product enterprises such as aluminum alloy hubs and the like can generate a large amount of aluminum scraps every day, the aluminum scraps are recycled and reused, and the steps of collecting, crushing, dewatering, drying, deironing, aluminum scraps remelting and the like are generally needed, a machining workshop generates a large amount of aluminum scraps every day, and the aluminum scraps are collected and recycled together with a time frame, so that a large amount of aluminum scraps are prevented from accumulating and occupying places and funds. The existing aluminum scraps pretreatment system can generate more smoke in the drying treatment process, overflows from a charging hole of a drying cylinder, and causes heat loss due to the overflow of high-temperature smoke, meanwhile, the smoke contains organic volatile matters such as cutting fluid, lubricating oil and the like, and the overflow of the smoke also easily causes environmental pollution, so that along with the continuous improvement of environmental protection requirements, the existing aluminum scraps pretreatment system cannot meet the treatment requirements of energy conservation and emission reduction.
Disclosure of Invention
In order to improve at least one of the above technical problems, an object of the present invention is to provide a sealing device for a drying drum.
Another object of the present invention is to provide a drying cylinder comprising the above sealing device.
It is still another object of the present invention to provide an aluminum scrap pretreatment system including the above-described drying drum.
To achieve the above object, according to a first aspect of the present invention, there is provided a sealing device for a drying drum, comprising: the shell is provided with a first opening part and a second opening part; the second opening part is positioned below the first opening part and is used for abutting against a charging hole of the drying cylinder so as to enable the material to be dried to move along the direction that the first opening part points to the second opening part; an impeller, which is arranged in the shell and between the first opening part and the second opening part, and is used for blocking the first opening part and the second opening part; the impeller comprises a blade groove for bearing the material to be dried, and the impeller is suitable for changing the orientation of the blade groove through rotation so that the material to be dried falls into the drying cylinder.
The utility model provides a sealing device of a stoving section of thick bamboo, including the casing with establish the runner in the casing, seted up first opening and second opening on the casing, the second opening butt joint the charge door of a stoving section of thick bamboo, the runner sets up between first opening and second opening, can separate first opening and second opening, is equivalent to closing the runner on the charge door of a stoving section of thick bamboo, can reduce the possibility and the overflow volume that the flue gas that produce in the stoving section of thick bamboo overflowed from the charge door like this. Meanwhile, as the second opening part is positioned below the first opening part, the rotating wheel plays a role in blocking, and simultaneously, through the rotation of the impeller, the object to be dried falling on the impeller from the first opening part can be rotated to the position facing the second opening part, so that the object to be dried falls into the drying cylinder under the action of gravity to finish the feeding work, thus the blocking of smoke and the feeding of the drying cylinder are not interfered with each other, and the normal and uninterrupted feeding of the drying cylinder is ensured.
The sealing device provided by the scheme can effectively reduce the possibility that the flue gas overflows from the charging hole of the drying cylinder, and reduce the environmental pollution possibly caused by the flue gas emission. Meanwhile, heat loss caused by overflow of high-temperature flue gas can be reduced, energy is saved, and the effect of saving cost can be achieved.
In addition, the sealing device in the technical scheme provided by the invention can also have the following additional technical characteristics:
In the above technical solution, the sealing device further includes: the rotating shaft is connected with the impeller, one end of the rotating shaft is connected with a driving device, and the driving device is used for driving the impeller to rotate.
In the above technical scheme, the housing is a four-way pipe, the impeller is in clearance fit with the inner wall of the four-way pipe, and two oppositely arranged pipe orifices of the four-way pipe are respectively used as the first opening and the second opening; and bearing flanges are respectively arranged on the other two pipe orifices, one bearing flange is fixedly connected with the driving device, and the other bearing flange is connected with the rotating shaft and used for supporting the rotating shaft.
In the above technical solution, the sealing device further includes a resistance sensing device, which is connected to the impeller or the rotation shaft, and is configured to sense a rotation condition of the impeller; the driving device is a forward and reverse rotating motor and is used for switching the rotation of the impeller when the impeller is in a rotating clamping state.
In any of the above aspects, the impeller includes a plurality of blades disposed along a circumferential direction of a rotation axis of the impeller, and two adjacent blades cooperate to form the blade groove.
In the above technical scheme, the cross sections of two adjacent blades are V-shaped along the direction perpendicular to the rotation axis of the impeller.
In the above technical solution, the rotation speed of the impeller is in the range of 5 to 15 turns/min.
The technical scheme of the second aspect of the invention provides a drying cylinder, which comprises: the cylinder body is provided with a charging port; and a sealing device according to any one of the first aspect, wherein the second opening of the sealing device is in abutment with the feed inlet.
The drying cylinder provided by the technical scheme of the second aspect of the present invention includes the sealing device according to any one of the technical schemes of the first aspect, so that the drying cylinder has all the advantages of any one of the technical schemes, and is not described herein.
The technical scheme of the third aspect of the invention provides an aluminum scrap pretreatment system, which comprises: a dryer cartridge as described in the second aspect.
The aluminum scrap pretreatment system provided by the technical scheme of the third aspect of the invention has all the beneficial effects of any one of the technical schemes because the aluminum scrap pretreatment system comprises the drying cylinder of any one of the technical schemes of the second aspect, and the detailed description is omitted.
In the above technical scheme, the aluminum scrap pretreatment system further comprises: the centrifugal separation device is connected with the drying cylinder and is used for carrying out solid-liquid separation on the aluminum scraps and the liquid attached to the aluminum scraps before the aluminum scraps enter the drying cylinder; and/or an incinerator connected with the drying cylinder and used for incinerating the flue gas generated in the drying cylinder.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a seal according to one embodiment of the present invention;
FIG. 2 is a schematic view of a seal according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a sealing device according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a seal according to an embodiment of the present invention;
Fig. 5 is a schematic view illustrating a structure of a drying drum according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an aluminum scrap pretreatment system according to one embodiment of the present invention;
Fig. 7 is a schematic diagram of an aluminum scrap pretreatment system according to an embodiment of the present invention.
The correspondence between the reference numerals and the component names in fig. 1 to 7 is:
10 sealing means; 11 a housing; 111 a first opening portion; 112 a second opening; 113 bearing flange; 12 impellers; 121 blades; 122 vane slots; a 123 rotation axis; 13 a driving device; 20 barrels; 21 charging hole; 30 fume-exhausting hood; 14 connecting seats; 141 coupling; 142 flat keys;
100 storage hoppers; 200 crushers; 300 centrifugal separation device; 400 drying cylinders; 500 magnetic separator; 600 aluminum scraps melting vortex chamber; 700 incinerator.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A sealing device of a drying drum, and an aluminum scrap pretreatment system according to some embodiments of the present invention are described below with reference to fig. 1 to 7.
Some embodiments of the present application provide a seal 10 for a dryer cartridge.
As shown in fig. 1 and 2, the sealing device 10 of the drying drum includes a housing 11 and an impeller 12.
The housing 11 is provided with a first opening 111 and a second opening 112, the second opening 112 is positioned below the first opening 111, and the impeller 12 is disposed in the housing 11 and between the first opening 111 and the second opening 112. When the second opening 112 is in butt joint with the feed inlet 21 of the drying cylinder 400, the impeller 12 covers the feed inlet 21, so that the possibility of overflowing and the overflowing amount of the flue gas generated in the drying cylinder 400 from the feed inlet 21 can be reduced, and a certain sealing effect is achieved.
In addition, the impeller 12 is rotatable such that the impeller 12 transfers the material to be dried from above the impeller 12 to below by continuous rotation and causes the material to be dried to fall into the drying cylinder 400 by gravity, so that the material to be dried is held in the drying cylinder 400. In this way, the sealing device 10 can be used for blocking smoke and feeding the drying cylinder 400 simultaneously by rotating the impeller 12, so that continuous operation of the drying cylinder 400 is ensured.
The sealing device 10 in this embodiment can effectively reduce the possibility that the flue gas overflows from the charging port 21 of the drying cylinder 400, and reduce the environmental pollution possibly caused by the flue gas emission. Meanwhile, heat loss caused by overflow of high-temperature flue gas can be reduced, energy is saved, and the effect of saving cost can be achieved.
In some embodiments, as shown in fig. 1 and 3, the impeller 12 includes a plurality of blades 121 disposed along a circumferential direction of a rotation axis of the impeller 12, and two adjacent blades 121 cooperate to form the blade groove 122.
The blade grooves 122 are formed by surrounding the adjacent two blades 121 and the shell 11, the blade grooves 122 are not required to be arranged independently, the structure of the impeller 12 is simplified, and meanwhile, the blade grooves 122 can be formed by surrounding the adjacent two blades 121, so that the impeller 12 is provided with a plurality of blade grooves 122 distributed along the circumferential direction of the rotation axis, and the materials to be dried can continuously move from the first opening part 111 to the second opening part 112, so that the materials to be dried are continuously supplemented in the drying cylinder 400, and the working efficiency of the drying cylinder 400 is improved. Wherein the number of blades 121 is 4, 6, 8 or others.
In some embodiments, the plurality of blades 121 are equally spaced.
In some embodiments, as shown in fig. 3, two adjacent blades 121 have V-shaped cross sections in a direction perpendicular to the rotation axis of the blades 121.
By arranging the cross sections of the adjacent two blades 121 in a V shape, a V-shaped blade groove 122 is formed, the notch of the V-shaped blade groove 122 is directed toward the first opening 111 or the second opening 112, and the size of the notch is larger than the first opening 111 and the second opening 112, so that the V-shaped blade groove 122 plays a role in sealing. By forming the cross sections of the adjacent two blades 121 in V-shapes, a plurality of V-shaped blade grooves 122 are formed, so that at least two blades 121 can be positioned at opposite positions of the inner wall of the casing 11 during 360-degree rotation of the impeller 12, and communication between the first opening 111 and the second opening 112 is blocked, so as to improve the tightness of the sealing device 10.
In some embodiments, the impeller 12 has a rotational speed in the range of 5 to 15 revolutions per minute.
By setting the rotational speed of the impeller 12, the running speed of the material to be dried can be reasonably controlled, and the feeding speed of the drying cylinder 400 is rationalized. Namely, the too high rotating speed is avoided, the possibility that the material to be dried interferes with the shell 11 when entering the first opening part 111 is reduced, the too low rotating speed is avoided, and the material to be dried overflows the blade groove 122. Thereby improving the reliability of use of the sealing device 10 by controlling the rotational speed of the impeller 12. Wherein the rotational speed of the impeller 12 is preferably 9 revolutions per minute. Of course, 8 turns/min, 12 turns/min, etc. are also possible.
In some embodiments, as shown in fig. 3 and 4, the sealing device 10 further comprises: a rotation shaft 123, the rotation shaft 123 being connected to the impeller 12.
The sealing device 10 provided in this embodiment is provided with a rotation shaft 123 connected to the impeller 12, so that the impeller 12 rotates around the rotation shaft 123, thereby improving symmetry and stability of the rotation of the impeller 12.
Further, as shown in fig. 3 and 4, a driving device 13 is connected to one end of the rotation shaft 123, and the driving device 13 is used for driving the impeller 12 to rotate.
By providing the driving device 13, the impeller 12 can continuously and stably work, and the movement mode of the impeller 12 can be more adapted by matching with the rotating shaft 123. It will be appreciated that the primary motion output of the drive means 13 is circular in shape, facilitating uninterrupted feeding of the drum 400. Alternatively, the driving means 13 may be a rotation shaft motor.
Unlike the above embodiments, in other embodiments, the driving device 13 is a cylinder, and the cylinder is connected to the impeller 12, and the reciprocating motion of the cylinder drives the vane groove 122 of the impeller 12 to reciprocate between positions facing the first opening 111 and the second opening 112.
In some embodiments, as shown in fig. 4, a connecting seat 14 is disposed between the driving device 13 and the housing 11, a coupling 141 and a flat key 142 are disposed in the connecting seat 14, and a rotating shaft of the rotating shaft motor is connected with the rotating shaft 123 through the coupling 141 and fixed through the flat key 142, so that the connection between the rotating shaft 123 and the rotating shaft of the rotating shaft motor is more stable, and further the stability and consistency of the rotating motion are improved.
In some embodiments, the impeller 12 is in clearance fit with the inner wall of the four-way pipe. The impeller 12 is rotatable relative to the four-way pipe by a clearance fit.
Unlike the above embodiments, in other embodiments, the edge of the blade 121 of the impeller 12 far from the rotation shaft 123 is provided with an elastic member, and the elastic member is flexibly connected with the inner wall of the four-way pipe, so that on the basis of ensuring the rotation of the impeller 12, the sealing performance can be further improved, and the possibility and the overflow amount of the flue gas can be reduced. Wherein, the elastic member can be made of high-temperature resistant and corrosion resistant materials, such as rubber and the like.
In some embodiments, as shown in fig. 3 and 4, the housing 11 is a four-way pipe, and two opposite nozzles of the four-way pipe are respectively used as the first opening 111 and the second opening 112; the other two nozzles are respectively provided with a bearing flange 113, one bearing flange 113 is fixedly connected with the driving device 13, and the other bearing flange 113 is connected with the rotating shaft 123 for supporting the rotating shaft 123.
By arranging the housing 11 as a four-way pipe, the first opening 111 and the second opening 112 which are respectively arranged at the upper and lower positions are arranged opposite to each other, so that the material to be dried can conveniently move from the first opening 111 to the second opening 112, the possibility that the material to be dried remains in the housing 11 is reduced, the possibility that the material to be dried interferes with the rotation of the impeller 12 is reduced, and the use reliability of the sealing device 10 is improved. On the other hand, the impeller 12 is inserted into the rotation shaft 123, and the bearing flanges 113 are provided, so that the rotation shaft 123 can be supported at both ends of the rotation shaft 123, thereby improving the use stability of the rotation shaft 123.
In some embodiments, the sealing device 10 further comprises a resistance sensing device coupled to the impeller 12 for sensing a rotation condition of the impeller 12; the driving device 13 is a forward and reverse rotation motor, and is used for switching the rotation direction of the impeller 12 when the impeller 12 is in a rotation clamping state.
The present embodiment provides a seal 10 comprising a resistance sensing device disposed within a housing 11 and coupled to an impeller 12. By providing the resistance sensing device, the motor can automatically change the rotation direction when the impeller 12 rotates to be blocked, so that the possibility that the impeller 12 is blocked by the material to be dried is reduced, and the use reliability of the sealing device 10 is improved. The possibility of damage or fire disaster caused by the motor seizing when the non-positive and negative rotation motor is used can be reduced, and the use reliability and the installation performance of the sealing device 10 can be improved.
In other embodiments, the resistance sensing device is coupled to the rotation shaft 123. The resistance sensing means may be provided in the housing 11 or in the connection block 14.
As shown in fig. 5, some embodiments of the present application provide a dryer cartridge 400 including a cartridge 20 and a sealing device 10 of any of the above embodiments.
The cylinder 20 is provided with a charging port 21, and the second opening 112 of the sealing device 10 is in butt joint with the charging port 21. The drying cylinder 400 provided in this embodiment includes the sealing device 10 in any of the above embodiments, so that all the advantages of any of the above embodiments are provided, and will not be described herein.
In some embodiments, the drying cylinder 400 further includes a fume exhaust hood 30, and the fume exhaust hood 30 is connected to the cylinder 20 for collecting fume generated in the drying cylinder 400.
The temperature in the drying cylinder 400 is usually 280-400 ℃, the exhaust hood 30 wraps and seals the feed inlet 21 and the feed end of the cylinder 20, the possibility that high-temperature smoke overflows the drying cylinder 400 can be reduced by arranging the sealing device 10 and the exhaust hood 30, and the high-temperature smoke is collected by the exhaust hood 30, so that the high-temperature smoke can be preheated by drying aluminum scraps or secondarily incinerated and purified by the exhaust hood 30, the energy consumption required by drying the aluminum scraps is reduced and/or the environmental pollution is reduced, and the effects of saving the cost and/or improving the environmental protection are achieved.
As shown in fig. 6 and 7, some embodiments of the present application provide an aluminum scrap pretreatment system including the drying drum 400 of any of the above embodiments.
In some embodiments, the aluminum scrap pretreatment system includes a storage hopper 100, a crusher 200, a dryer drum 400, a magnetic separator 500, and an aluminum scrap melting vortex chamber 600. Wherein the storage hopper 100 is used for placing aluminum shavings and aluminum scraps generated during machining of the automobile hub; the crusher 200 is connected to the storage hopper 100 for crushing the aluminum shavings and scraps for easy transportation and melting; the drying cylinder 400 is connected with the crusher 200, and crushed aluminum shavings and aluminum scraps are sent into the drying cylinder 400 through a conveyer such as a screw conveyer and the like to be dried to remove water; the magnetic separator 500 is connected with the drying cylinder 400 and is used for removing harmful impurities such as iron contained in aluminum shavings and aluminum scraps so as to improve the purity of molten aluminum chemical components; the aluminum scrap melting vortex chamber 600 is connected with the magnetic separator 500, and the magnetically separated aluminum shavings and aluminum scraps are conveyed into the aluminum scrap melting vortex chamber 600 by a conveyer such as a screw conveyer for melting.
The aluminum scrap pretreatment system provided in this embodiment includes the drying cylinder 400 in any of the above embodiments, so that all the advantages of any of the above embodiments are provided, and will not be described herein.
In some embodiments, as shown in fig. 6, the aluminum flake pretreatment system further includes a centrifugal separation device 300, wherein the centrifugal separation device 300 is connected with the drying cylinder 400, and is used for performing solid-liquid separation on the aluminum flake and the liquid attached to the aluminum flake before the aluminum flake enters the drying cylinder 400.
By providing the centrifugal separator 300, the moisture, cutting fluid, lubricating oil, and the like adhering to the aluminum scraps are separated by the action of centrifugal force, and solid-liquid separation is achieved. The separated cutting fluid can be repeatedly used after being collected and processed, so that the loss of the cutting fluid in production is reduced, and the production cost is reduced. Meanwhile, the possibility or content of liquid such as cutting fluid and the like entering the drying cylinder 400 is reduced, so that the content of volatile matters such as cutting fluid, lubricating oil and the like in the smoke is reduced, the content of VOCs (VolatileOrganicCompounds, volatile organic matters) in the discharged smoke is reduced, the environmental pollution is reduced, and the environmental protection treatment cost is reduced.
In some embodiments, as shown in fig. 7, the aluminum scrap pretreatment system further includes an incinerator 700, and the incinerator 700 is hermetically connected to the fume exhaust hood 30, for incinerating the fume generated in the drying drum 400.
By arranging the incinerator 700, the flue gas is incinerated, more than 90% of harmful gas can be removed, and the concentration of VOCs in the exhaust gas can reach below 30mg/Nm 3, so that the environmental pollution is reduced.
The following describes the sealing device 10 for a drying cylinder, the drying cylinder 400 and the aluminum scrap pretreatment system according to the present application in one embodiment.
At present, aluminum product enterprises such as aluminum alloy hubs and the like can generate a large amount of aluminum scraps every day, the aluminum scraps are recycled and reused, the steps of collecting, crushing, dewatering, drying, deferrization, aluminum scraps remelting and the like are generally needed, a machining workshop generates a large amount of aluminum scraps every day, and the aluminum scraps are collected for recycling and reusing together with a time frame, so that the operations of storing, draining and the like are avoided, a large amount of aluminum scraps are accumulated in occupied places and funds, the aluminum scraps do not have much time, the aluminum scraps contain more cutting fluid and other liquids during pretreatment, the moisture is needed to be removed as much as possible before drying, the natural gas consumption is reduced, along with the continuous improvement of environmental protection requirements, the biggest problem of an aluminum scraps pretreatment system is the problem of fume emission, more fume is generated during the drying of an original treatment system, and organic volatile matters such as cutting fluid and lubricating oil are contained in fume, secondary incineration treatment is needed at present to reduce the VOCs content in the discharged fume, so that the natural gas consumption is large, and the environmental protection treatment cost is high.
Therefore, the embodiment provides an aluminum scrap pretreatment system which is used for recovering aluminum shavings and aluminum scraps generated in the machining process of the automobile hub after the aluminum shavings and the aluminum scraps are conveyed, crushed, spin-dried, magnetically separated, melted and the like. Meanwhile, waste oil smoke generated by drying is incinerated, and clean gas is generated for emission after waste heat recovery, so that the energy conservation and emission reduction beneficial effects can be achieved. In addition, the main stations of the whole aluminum scraps pretreatment device are all arranged on the platform, so that the maintenance is convenient.
The drying treatment capacity of the aluminum scrap pretreatment system for the automobile hub aluminum shavings is about 1500 kg/h. Wherein, 90% of the automobile hub aluminum shavings have a length of 10mm to 40mm and a specific gravity of 0.8T/m 3 to 0.9T/m 3. The aluminum scraps pretreatment system adopts natural gas combustion for heating, and the temperature in the drying cylinder 400 can reach 280-400 ℃.
The aluminum scraps pretreatment system is provided with a flue gas collection box, the flue gas collection box is used for sealing and wrapping the exhaust hood 30 of the drying cylinder 400 and the charging hole 21 of aluminum scraps to be dried and is in sealing connection with the incinerator 700 through a pipeline, so that produced flue gas is effectively collected, the sealing device 10 is arranged on the charging hole 21 of the drying cylinder 400, and the flue gas cannot overflow from the charging hole 21 of the drying cylinder 400 (the charging hole 21 is slightly higher than a natural gas combustion heating end and a discharging hole of the dried aluminum scraps) to a production workshop. The aluminum scraps to be dried fall into the V-shaped blade grooves 122 of the sealing device 10 through conveying mechanisms such as a screw conveyor and the like, the sealing device 10 comprises 4V-shaped blade grooves 122, and the impeller 12 is cross-shaped when viewed along the rotation axis direction. The impeller 12 is slowly rotated by the motor for about 1 minute to 9 circles, so that aluminum scraps fall into the drying cylinder 400 after rotating from the V-shaped blade groove 122, and the periphery of the impeller 12 is in clearance fit with the inner cavity wall of the sealing device 10, so that the flue gas is not easy to overflow. The sealing device 10 has a resistance sensing device, and the motor is reversed when the blade 121 rotates and is blocked, so that aluminum scraps are prevented from blocking the blade 121 of the air lock.
The aluminum scraps pretreatment system is provided with the incinerator 700, the dried waste gas is pumped into the incinerator 700 to be preheated and then incinerated, hot air generated by incineration is discharged into the air preheater to preheat combustion air, so that hot air generated by incineration preheats the combustion air and the waste gas to be incinerated, natural gas consumption is saved, the combustion effect is improved, and the waste gas treatment cost is reduced.
The aluminium scrap pre-treatment system is provided with a centrifugal separation device 300, such as a dryer. The spin dryer adopts a high-power motor to drive a spin dryer pot to separate aluminum scraps from liquid, the liquid is discharged from a pipeline, and the aluminum scraps are thrown into the pipeline from a discharge hole at the upper part and fly into a cyclone barrel at the upper part for deceleration sedimentation, and then fall into a screw conveyer to be conveyed to the drying barrel 400.
In summary, the sealing device 10 of the drying cylinder, the drying cylinder 400 and the aluminum scrap pretreatment system provided in this embodiment have at least the following advantages: the possibility of flue gas overflow in the drying cylinder 400 is reduced, the environmental pollution caused by flue gas emission is reduced, and meanwhile, the utilization rate of high-temperature flue gas is improved, and energy is saved, so that the effect of saving cost is achieved.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A sealing device for a dryer cartridge, comprising:
the shell is provided with a first opening part and a second opening part;
the second opening part is positioned below the first opening part and is used for abutting against a charging hole of the drying cylinder so as to enable the material to be dried to move along the direction that the first opening part points to the second opening part;
An impeller, which is arranged in the shell and between the first opening part and the second opening part, and is used for blocking the first opening part and the second opening part;
The impeller comprises a blade groove, the blade groove is used for bearing the material to be dried, and the impeller is suitable for changing the orientation of the blade groove through rotation so that the material to be dried falls into the drying cylinder; the rotating shaft is connected with the impeller, one end of the rotating shaft is connected with a driving device, and the driving device is used for driving the impeller to rotate;
the shell is a four-way pipe, the impeller is in clearance fit with the inner wall of the four-way pipe, and two oppositely arranged pipe orifices of the four-way pipe are respectively used as the first opening part and the second opening part;
Bearing flanges are respectively arranged on the other two pipe orifices, one bearing flange is fixedly connected with the driving device, and the other bearing flange is connected with the rotating shaft and used for supporting the rotating shaft;
An elastic piece is arranged on the edge, far away from the rotating shaft, of each blade of the impeller, and the elastic piece is flexibly connected with the inner wall of the four-way pipe.
2. The sealing device of claim 1, further comprising:
The resistance sensing device is connected with the impeller or the rotating shaft and is used for sensing the rotation condition of the impeller;
The driving device is a forward and reverse rotating motor and is used for switching the rotation of the impeller when the impeller is in a rotating clamping state.
3. A sealing device according to claim 1 or 2, wherein,
The impeller comprises a plurality of blades arranged along the circumferential direction of the rotation axis of the impeller, and two adjacent blades are matched to form the blade groove.
4. A sealing device according to claim 3, wherein,
The cross sections of two adjacent blades are V-shaped along the direction perpendicular to the rotation axis of the impeller.
5. A sealing device according to claim 1 or 2, wherein,
The rotational speed of the impeller is in the range of 5 to 15 revolutions per minute.
6. A dryer cartridge, comprising:
the cylinder body is provided with a charging port; and
The sealing device of any one of claims 1 to 5, wherein the second opening of the sealing device interfaces with the feed inlet.
7. An aluminum scrap pretreatment system, comprising:
The dryer cartridge of claim 6.
8. The aluminum scrap pretreatment system according to claim 7, further comprising:
The centrifugal separation device is connected with the drying cylinder and is used for carrying out solid-liquid separation on the aluminum scraps and the liquid attached to the aluminum scraps before the aluminum scraps enter the drying cylinder; and/or
And the incinerator is connected with the drying cylinder and is used for incinerating smoke generated in the drying cylinder.
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| CN201911334219.4A CN111006496B (en) | 2019-12-23 | 2019-12-23 | Sealing device of drying cylinder, drying cylinder and aluminum scraps pretreatment system |
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| CN211503638U (en) * | 2019-12-23 | 2020-09-15 | 浙江今飞机械有限公司 | Sealing device of drying cylinder, drying cylinder and aluminum scrap pretreatment system |
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| JPH1019224A (en) * | 1996-06-28 | 1998-01-23 | Mitsui Eng & Shipbuild Co Ltd | Method for supplying waste to incinerator and air seal device |
| CN202530134U (en) * | 2012-01-17 | 2012-11-14 | 苏州啸波科技有限公司 | Pretreatment production line for aluminum scraps |
| CN104154734A (en) * | 2014-08-22 | 2014-11-19 | 山东佐田氏生物科技有限公司 | Sealing device for material opening of organic fertilizer drying system |
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| CN111006496A (en) | 2020-04-14 |
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Application publication date: 20200414 Assignee: ZHEJIANG JINYUE MACHINERY TECHNOLOGY DEVELOPMENT Co.,Ltd. Assignor: Zhejiang Jinfei Machinery Co.,Ltd. Contract record no.: X2024980008670 Denomination of invention: Sealing device of drying drum, drying drum and aluminum chip pretreatment system Granted publication date: 20240528 License type: Common License Record date: 20240703 Application publication date: 20200414 Assignee: Zhejiang Jinhua Jinchuang Intelligent Manufacturing Research Institute Co.,Ltd. Assignor: Zhejiang Jinfei Machinery Co.,Ltd. Contract record no.: X2024980008669 Denomination of invention: Sealing device of drying drum, drying drum and aluminum chip pretreatment system Granted publication date: 20240528 License type: Common License Record date: 20240703 |
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