CN106743211B - Spiral conveying type material processing device and high-temperature reaction equipment - Google Patents
Spiral conveying type material processing device and high-temperature reaction equipment Download PDFInfo
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- CN106743211B CN106743211B CN201710139725.2A CN201710139725A CN106743211B CN 106743211 B CN106743211 B CN 106743211B CN 201710139725 A CN201710139725 A CN 201710139725A CN 106743211 B CN106743211 B CN 106743211B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
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Abstract
The invention provides a spiral conveying type material processing device and high-temperature reaction equipment, wherein the spiral conveying type material processing device comprises a cylinder body, a rotating shaft, a sealing structure and a driving mechanism; the sealing structure comprises a first high-temperature-resistant sealing ring and a second high-temperature-resistant sealing ring; the driving mechanism is in transmission connection with the second high-temperature-resistant sealing ring so as to drive the second high-temperature-resistant sealing ring to move towards the direction close to the first high-temperature-resistant sealing ring, so that the first high-temperature-resistant sealing ring and the second high-temperature-resistant sealing ring are always abutted. According to the spiral conveying type material processing device, the first high-temperature-resistant sealing ring is abutted with the second high-temperature-resistant sealing ring, gaps between the cylinder body and the rotating shaft are effectively sealed, and the driving mechanism can enable the first high-temperature-resistant sealing ring to be abutted with the second high-temperature-resistant sealing ring all the time, so that the spiral conveying type material processing device can be always sealed by the sealing structure, the sealing effect is good, and damage to the external environment caused by air leakage is avoided.
Description
Technical Field
The invention relates to the technical field of biomass and chemical material treatment, in particular to a spiral conveying type material treatment device and high-temperature reaction equipment.
Background
In the field of biomass or chemical production, discharging is often carried out under the conditions of high temperature and sealing or other treatments such as reaction are carried out on materials, and the temperature which can be born by a sealing mode adopted by the spiral conveying type material treatment device is not more than 300 ℃, so that when the temperature of the working environment of the spiral conveying type material treatment device reaches more than 300 ℃, the common sealing structure cannot meet the sealing requirement, and the packing seal is high-temperature resistant, but easily generates an air leakage phenomenon, and frequent maintenance cannot meet the production requirement.
Disclosure of Invention
The invention aims to provide a screw conveying type material processing device, which aims to solve the technical problems of poor sealing performance, serious air leakage phenomenon and frequent maintenance of the screw conveying type material processing device in the prior art.
The invention provides a spiral conveying type material processing device which comprises a cylinder body, a rotating shaft, a sealing structure and a driving mechanism, wherein the cylinder body is provided with a plurality of spiral conveying grooves; the sealing structure comprises a first high-temperature-resistant sealing ring and a second high-temperature-resistant sealing ring;
one end of the cylinder body is provided with an opening, and the first end of the rotating shaft penetrates through the opening and stretches into the cylinder body; the opening of the cylinder body is provided with a first high-temperature-resistant sealing ring, the first high-temperature-resistant sealing ring is abutted with a second high-temperature-resistant sealing ring, and the second high-temperature-resistant sealing ring is connected with the rotating shaft; the first high-temperature-resistant sealing ring and the second high-temperature-resistant sealing ring seal a gap between the rotating shaft and the opening;
the driving mechanism is in transmission connection with the second high-temperature-resistant sealing ring so as to drive the second high-temperature-resistant sealing ring to move towards the direction close to the first high-temperature-resistant sealing ring, so that the second high-temperature-resistant sealing ring is always abutted with the first high-temperature-resistant sealing ring.
Further, the spiral conveying type material processing device further comprises a cooling structure; the cooling structure comprises a first cooling connecting plate fixedly connected to the opening of the cylinder body, and the first high-temperature-resistant sealing ring is detachably and fixedly connected with the first cooling connecting plate;
the first cooling connecting plate is provided with a first water inlet, a first water outlet and a first cooling flow passage extending along the circumferential direction of the first cooling connecting plate, one end of the first cooling flow passage is communicated with the first water inlet, and the other end of the first cooling flow passage is communicated with the first water outlet.
Further, the cooling structure further comprises a rotary joint arranged at the second end of the rotary shaft and a second cooling connecting plate connected with the rotary shaft; the second high-temperature-resistant sealing ring is detachably and fixedly connected with the second cooling connecting plate; the rotary joint is provided with a water inlet and a water outlet;
the second cooling connecting plate is provided with a second water inlet, a second water outlet and a second cooling flow passage extending along the circumferential direction of the second cooling connecting plate; one end of the second cooling flow passage is communicated with the second water inlet, the other end of the second cooling flow passage is communicated with the second water outlet, the water inlet of the rotary joint is communicated with the second water inlet, and the water outlet of the rotary joint is communicated with the second water outlet.
Further, the sealing structure further comprises a fixing plate, the fixing plate is sleeved and fixed on the rotating shaft, and the second cooling connecting plate is connected with the fixing plate.
Further, a flexible heat insulation sealing gasket is arranged between the first cooling connecting plate and the cylinder body, and/or a flexible heat insulation sealing gasket is arranged between the second cooling connecting plate and the fixed plate.
Further, the first end of the rotating shaft is rotatably connected with the second end of the cylinder body through a graphite bearing.
Further, the spiral conveying type material processing device further comprises a graphite bearing cooling sleeve sleeved on the graphite bearing, a third water inlet, a third water outlet and a third cooling runner extending along the circumferential direction of the graphite bearing cooling sleeve are arranged on the graphite bearing cooling sleeve, one end of the third cooling runner is communicated with the third water inlet, and the other end of the third cooling runner is communicated with the third water outlet.
Further, the spiral conveying type material processing device further comprises a rotating shaft supporting seat, the rotating shaft supporting seat is positioned on one side, far away from the cylinder, of the second high-temperature-resistant sealing ring, and a rolling wheel is rotatably connected to the rotating shaft supporting seat and is tangent to the rotating shaft; and/or, the device also comprises a cylinder supporting seat, and the cylinder supporting seat is connected with the outer peripheral surface of the cylinder.
Further, the cylinder and the rotating shaft are vertically arranged; the second end of the rotating shaft is connected with a supporting structure which applies upward force to the rotating shaft.
Further, the screw conveying type material processing device further comprises a plurality of screw blades which are arranged on the rotating shaft along the extending direction of the rotating shaft at intervals, and the distance between two adjacent screw blades is gradually reduced along the extending direction of the rotating shaft.
The invention also provides high-temperature reaction equipment, which comprises the spiral conveying type material processing device, wherein one end of a cylinder of the spiral conveying type material processing device is provided with a feed inlet, and the other end of the cylinder is provided with a discharge outlet; the spiral conveying type material processing devices are at least two, two adjacent spiral conveying type material processing devices are arranged in a crossing mode, and a discharge hole of one of the two adjacent spiral conveying type material processing devices is communicated with a feed hole of the other one of the two spiral conveying type material processing devices.
According to the spiral conveying type material processing device, the first high-temperature-resistant sealing ring is abutted with the second high-temperature-resistant sealing ring, gaps between the cylinder body and the rotating shaft are effectively sealed, and the driving mechanism can enable the first high-temperature-resistant sealing ring to be abutted with the second high-temperature-resistant sealing ring all the time, so that the spiral conveying type material processing device can be sealed all the time by the sealing structure. The spiral conveying type material processing device is good in sealing effect, and damage to the external environment caused by air leakage is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a first embodiment of a screw conveyor type material handling apparatus according to the present invention;
FIG. 2 is a schematic view of a seal structure of the screw conveyor type material handling apparatus shown in FIG. 1;
FIG. 3 is a schematic view of a graphite bearing in the screw conveyor type material handling apparatus shown in FIG. 1;
fig. 4 is a schematic structural view of a screw conveyor type material handling apparatus according to a second embodiment of the present invention;
FIG. 5 is a schematic view of a screw conveyor type material handling apparatus according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a high temperature reaction apparatus according to an embodiment of the present invention.
In the figure: 01-a cylinder; 02-a rotation axis; 03-sealing structure; 04-driving mechanism; 05-cooling structure; 06-graphite bearings; 07-a rotating shaft supporting seat; 08-cylinder supporting seat; 09-helical blades; 011—feed inlet; 012-discharge port; 013-a cartridge body; 014—tail seal cap; 015-insulating connection plates; 016-an air outlet; 031-a first high temperature resistant seal ring; 032-a second high temperature resistant seal ring; 033-a fixed plate; 050-rotary joints; 051-first cooling connection plates; 052-a second cooling connection plate; 061-graphite bearing cooling jacket; 0501-water inlet of rotary joint; 0502-water outlet of rotary joint; 0511-a first water inlet; 0512-a first water outlet; 0513-a first cooling runner; 0521-a second water inlet; 0522-a second water outlet; 0523-a second cooling flow path; 0611-a third water inlet; 0612-a third water outlet; 0613-a third cooling flow passage; 100-spiral conveying type material treatment device.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred or elements must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It should be noted that the spiral conveying type material processing device provided by the invention can be used as a discharging device under the conditions of high temperature and sealing; a heating device can be arranged on the cylinder body and used as a high-temperature reaction device; but of course can also be used for other material treatments under high temperature conditions.
Fig. 1 is a schematic diagram of a first structure of a screw conveyor type material handling device according to a first embodiment of the present invention, fig. 2 is a schematic diagram of a sealing structure of the screw conveyor type material handling device shown in fig. 1, fig. 3 is a schematic diagram of a graphite bearing of the screw conveyor type material handling device shown in fig. 1, fig. 4 is a schematic diagram of a screw conveyor type material handling device according to a second embodiment of the present invention, and fig. 5 is a schematic diagram of a screw conveyor type material handling device according to a third embodiment of the present invention.
As shown in fig. 1 to 5, the present invention provides a screw conveying type material processing apparatus, including: a cylinder 01, a rotating shaft 02, a sealing structure 03 and a driving mechanism 04; the sealing structure 03 comprises a first high-temperature-resistant sealing ring 031 and a second high-temperature-resistant sealing ring 032; one end of the cylinder 01 is provided with an opening, and the first end of the rotating shaft 02 passes through the opening and stretches into the cylinder 01; a first high-temperature-resistant sealing ring 031 is arranged at the opening of the cylinder 01, the first high-temperature-resistant sealing ring 031 is abutted with a second high-temperature-resistant sealing ring 032, and the second high-temperature-resistant sealing ring 032 is connected with the rotating shaft 02; the first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 seal the gap between the rotating shaft 02 and the opening; the driving mechanism 04 is in transmission connection with the second high temperature resistant sealing ring 032 to drive the second high temperature resistant sealing ring 032 to move towards the direction close to the first high temperature resistant sealing ring 031, so that the second high temperature resistant sealing ring 032 is always abutted with the first high temperature resistant sealing ring 031.
In this embodiment, the second high temperature resistant sealing ring 032 is connected to the rotation shaft 02, and when the rotation shaft 02 rotates, the second high temperature resistant sealing ring 032 is driven to rotate relative to the first high temperature resistant sealing ring 031, so that the first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 are worn; the driving mechanism 04 is connected with the second high temperature resistant sealing ring 032, so that the second high temperature resistant sealing ring 032 always has a trend of moving close to the first high temperature resistant sealing ring 031, once the first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 are worn to generate gaps, the driving mechanism 04 drives the second high temperature resistant sealing ring 032 to move close to the first high temperature resistant sealing ring 031, and therefore the first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 are always abutted to each other, and the spiral conveying type material processing device is always sealed.
The spiral conveying type material processing device provided by the embodiment is characterized in that the first high-temperature-resistant sealing ring 031 is abutted with the second high-temperature-resistant sealing ring 032, a gap between the cylinder 01 and the rotating shaft 02 is effectively sealed, and the driving mechanism 04 can enable the first high-temperature-resistant sealing ring 031 to be abutted with the second high-temperature-resistant sealing ring all the time, so that the spiral conveying type material processing device can be guaranteed to be sealed all the time. The spiral conveying type material processing device has good sealing effect, and avoids the damage of air leakage to the external environment; in addition, frequent maintenance can be avoided, thereby reducing maintenance cost and use cost.
Wherein, the materials of the first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 can be various, for example: high temperature resistant alloys, ceramics or graphite, graphite and alloy mosaic, etc. Preferably, graphite is adopted, and the material has low cost and is easy to obtain.
The first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 can be opposite to and completely abutted against each other, and can also be partially abutted against each other in a staggered way.
There are various structural forms of the driving mechanism 04, for example: the cylinder body of the cylinder is fixed, and a piston rod of the cylinder pushes the second high-temperature-resistant sealing ring 032 to move close to the first high-temperature-resistant sealing ring 031; or the hydraulic cylinder or the counterweight mode is adopted to replace the cylinder. The cylinder or the hydraulic cylinder can be rotationally connected with the rotating shaft 02 and push the rotating shaft 02 to move, so that the second high-temperature-resistant sealing ring 032 is driven to move, and the cylinder or the hydraulic cylinder can be directly connected with the second high-temperature-resistant sealing ring 032 in a transmission manner.
Preferably, a unidirectional limiter is mounted on the driving mechanism 04 or the rotating shaft 02 to ensure unidirectional movement of the second high temperature resistant sealing ring 032, i.e. the second high temperature resistant sealing ring 032 moves in a direction approaching to the first high temperature resistant sealing ring 031.
Another example is: the driving mechanism 04 comprises a supporting plate, an adjusting bolt, a spring, a thrust bearing and a pushing plate; the backup pad is fixed relative ground or other holding surfaces, and the impeller plate is fixed with rotation axis 02, and adjusting bolt wears to establish in the backup pad, and the one end and the tail connection of adjusting bolt of spring, the other end is rotated through thrust bearing and impeller plate and is connected, compresses the spring through rotatory adjusting bolt, and the spring is exerted pressure to the push pedal to promote rotation axis 02 motion, and then drive the motion of second high temperature resistant sealing washer 032 to the direction that is close to first high temperature resistant sealing washer 031.
Specifically, the walls of the first high temperature resistant sealing ring 031 and the second high temperature resistant sealing ring 032 perpendicular to the axis of the rotating shaft 02 are side walls, the first side wall of the first high temperature resistant sealing ring 031 is connected with the cylinder 01, the second side wall of the first high temperature resistant sealing ring 031 is abutted with the first side wall of the second high temperature resistant sealing ring 032, and the second high temperature resistant sealing ring 032 is connected with the rotating shaft 02.
It should be noted that the cylinder 01 may be horizontally disposed, may be vertically disposed, and may be disposed at any angle to the vertical direction. Correspondingly, the spiral conveying type material processing device can be horizontal or vertical, and the spiral conveying type material processing device can be placed at a certain angle with the vertical direction. When the heating device is arranged on the cylinder body of the spiral conveying type material processing device provided by the embodiment to form a high-temperature reaction kettle, a plurality of spiral conveying type material processing devices can be mutually communicated, and multistage carbonization of materials is realized.
An air outlet 016 can be arranged on the cylinder 01, so that the air generated by the material under the high temperature condition can be timely discharged out of the cylinder 01.
It should be noted that, the motor and the speed reducer can be used as the power source of the rotating shaft 02, the rotating shaft 02 and the power source are preferably driven by gears, the driving mode is stable and can meet the requirement that the rotating shaft 02 rotates and moves towards the direction of the rotating axis, a heat insulation sleeve can be arranged between the rotating shaft 02 and the driving gear, preferably, the heat insulation sleeve is made of zirconia ceramics, or a ceramic fiber heat insulation pad is arranged between the rotating shaft 02 and the driving gear, so that the heat of the rotating shaft 02 is prevented from being transferred to the gears to affect normal driving.
The heating device can be arranged outside the cylinder 01 to heat the cylinder, so that the cylinder can keep the temperature required by carbonization reaction, and in addition, the heat insulation layer can be arranged outside the cylinder, so that the heat loss of the cylinder is reduced, the heating efficiency is improved, and the energy consumption is reduced.
As shown in fig. 1 to 5, further, based on the above embodiment, the screw conveyor type material handling apparatus further includes a cooling structure 05; the cooling structure 05 comprises a first cooling connecting plate 051 fixedly connected to the opening of the cylinder 01, and a first high temperature resistant sealing ring 031 is detachably and fixedly connected with the first cooling connecting plate 051; the first cooling connecting plate 051 is provided with a first water inlet 0511, a first water outlet 0512 and a first cooling flow channel 0513 extending along the circumference of the first cooling connecting plate 051, one end of the first cooling flow channel 0513 is communicated with the first water inlet 0511, and the other end of the first cooling flow channel 0513 is communicated with the first water outlet 0512.
In this embodiment, cold water may enter the first cooling channel 0513 through the first water inlet 0511, and then flow through the first cooling channel 0513 and flow out through the first water outlet 0512. The cold water can take away the heat on the first cooling connecting plate 051 in the process of flowing through the first cooling flow channel 0513, so that the temperature of the first cooling connecting plate 051 is reduced, and the temperature of a first high temperature resistant sealing ring 031 connected with the first cooling connecting plate 051 is further reduced. Thus, the adverse effect of high temperature on the first high temperature resistant sealing ring 031 can be reduced, the service life of the sealing ring is prolonged, and the use cost is reduced.
Especially when graphite is adopted as the first high-temperature-resistant sealing ring 031, although the graphite is high-temperature-resistant, the service life of the graphite can be influenced by the high temperature, so that the cooling structure can reduce the temperature of the first high-temperature-resistant sealing ring 031, and the maintenance cost of the spiral conveying type material processing device is further reduced.
The first cooling flow channel 0513 may be one, that is, a circle or a section of flow channel is arranged on the peripheral wall of the first cooling connecting plate 051; the first cooling flow channels 0513 may be a plurality of, that is, the first cooling connecting plate 051 is in a ring shape, and a plurality of flow channels which are sequentially communicated are arranged on the peripheral surface of the first cooling connecting plate 051.
The first high temperature resistant sealing ring 031 and the first cooling connection plate 051 may be connected in various manners, such as clamping, gluing or threaded connection.
Preferably, the first cooling connecting plate 051 and the cylinder 01 can be connected by fasteners such as countersunk bolts or screws, flexible heat-insulating sealing gaskets are arranged between the first cooling connecting plate 051 and the cylinder and are made of ceramic fibers, and the materials of the flexible heat-insulating sealing gaskets can bear the temperature of up to 1400 ℃. The flexible heat insulation sealing gasket is arranged to offset errors generated in the installation or movement process of the rigid material, so that the installation precision is improved, and the sealing effect is further ensured; in addition, the flexible heat-insulating sealing gasket can also play a role in heat insulation, and heat transfer from the cylinder body to the first cooling connecting plate 051 is reduced.
Preferably, a partition plate is arranged between the first cooling connecting plate 051 and the cylinder 01, the partition plate is fixedly connected to the cylinder through fasteners such as countersunk bolts, and the first cooling connecting plate 051 is fixedly connected to the partition plate through fasteners such as countersunk bolts. Flexible heat insulation sealing gaskets are arranged between the partition plate and the cylinder 01, between the first cooling connecting plate 051 and the partition plate, between the fastening piece and the partition plate and between the fastening piece and the first cooling connecting plate 051, and the structure can avoid the excessive thickness of the flexible heat insulation sealing gaskets when the flexible heat insulation sealing gaskets are directly arranged between the first cooling connecting plate and the cylinder; not only can ensure good sealing effect, but also can offset errors generated in the movement process of the rigid material.
As shown in fig. 1 to 5, further, on the basis of the above embodiment, the cooling structure 05 further includes a rotary joint 050 provided at the second end of the rotary shaft 02 and a second cooling connection plate 052 connected to the rotary shaft 02; the second high-temperature resistant sealing ring 032 is detachably and fixedly connected with the second cooling connecting plate 052; the rotary joint 050 is provided with a water inlet and a water outlet; the second cooling connection plate 052 is provided with a second water inlet 0521, a second water outlet 0522 and a second cooling flow passage 0523 extending along the circumferential direction of the second cooling connection plate 052; one end of the second cooling flow passage 0523 is communicated with the second water inlet 0521, and the other end is communicated with the second water outlet 0522; the water inlet of the rotary joint is communicated with the second water inlet, and the water outlet of the rotary joint is communicated with the second water outlet.
In this embodiment, cold water can flow into the second water inlet 0521 from the water inlet 0501 of the rotary joint, then flows through the second cooling flow channel 0523 again, flows into the water outlet 0502 of the rotary joint from the second water outlet 0522, and finally flows out from the water outlet 0502 of the rotary joint. The cold water can take away the heat on the second cooling connecting plate 052 in the process of flowing through the second cooling flow passage 0523, thereby reducing the temperature of the second cooling connecting plate 052 and further reducing the temperature of the second high temperature resistant sealing ring 032 connected with the second cooling connecting plate 052. Thus, the adverse effect of high temperature on the second high temperature resistant sealing ring 032 can be reduced, the service life of the sealing ring is prolonged, and the maintenance cost is reduced.
Especially when graphite is adopted as the second high temperature resistant sealing ring 032, although the graphite is high temperature resistant, the service life of the graphite is affected by the high temperature, so that the cooling structure can reduce the temperature of the second high temperature resistant sealing ring 032, thereby further reducing the maintenance cost of the screw conveying type material processing device.
Preferably, a zirconia ceramic heat insulation sleeve or a ceramic fiber heat insulation pad is provided between the rotary joint 050 and the rotary shaft 02 to prevent heat of the rotary shaft from being transferred to the rotary joint.
The structural modes of the connection between the water inlet 0501 of the rotary joint and the second water inlet 0521 and the structural modes of the connection between the water outlet 0502 of the rotary joint and the second water outlet 0522 can be various, for example: a water inlet runner and a water outlet runner can be directly arranged in the rotating shaft 02, the water inlet runner is communicated between a water inlet 0501 and a second water inlet 0521 of the rotating joint, and the water outlet runner is communicated between a water outlet 0502 and a second water outlet 0522 of the rotating joint; alternatively, the rotary shaft 02 is hollow, and the water inlet 0501 and the second water inlet 0521 of the rotary joint, and the water outlet 0502 and the second water outlet 0522 of the rotary joint are communicated by a pipe.
The second cooling flow passage 0523 may be one, that is, a circle or a section of flow passage is provided on the peripheral wall of the second cooling connection plate 052; the second cooling flow channels 0523 may be a plurality of, that is, the second cooling connection plate 052 is in a ring shape, and a plurality of channels which are sequentially communicated are arranged on the peripheral surface of the second cooling connection plate 052.
The second high temperature resistant sealing ring 032 and the second cooling connection plate 052 are connected in various manners, such as clamping, gluing or threaded connection (such as countersunk bolts).
As shown in fig. 1 to 5, further, the sealing structure 03 further includes a fixing plate 033, the fixing plate 033 is sleeved and fixed on the rotating shaft 02, and the second cooling connection plate 052 is connected with the fixing plate 033.
In this embodiment, the second cooling connection plate 052 is connected to the rotation shaft 02 through the fixing plate 033 and the fixing plate 033, so that the second cooling connection plate 052 is connected to the rotation shaft 02, and thus the second cooling connection plate 052 can be set to have the same structural form and specification size as the first cooling connection plate 051, for example, an annular plate with an L-shaped cross section as shown in fig. 1, so that the variety of part processing can be reduced, and the processing and the assembly are convenient.
Preferably, the second cooling connecting plate 052 and the fixing plate 033 can be fixedly connected by fasteners such as countersunk bolts or screws, and flexible heat-insulating sealing gaskets are arranged between the second cooling connecting plate 052 and the fixing plate 033 and between the fasteners and the second cooling connecting plate 052, and ceramic fibers are preferably adopted as materials of the flexible heat-insulating sealing gaskets, and the materials can bear the temperature of up to 1400 ℃. The flexible heat-insulating sealing gasket can offset errors generated in the installation or movement process of the rigid material, so that the installation precision is improved, the sealing effect is further guaranteed, in addition, the flexible heat-insulating sealing gasket can also play a role in heat insulation, and the heat of the rotating shaft is reduced to be transmitted to the second cooling connecting plate 052. At this time, the driving mechanism 04 is connected to the rotation shaft 02.
Preferably, a high temperature resistant sealing washer is arranged between the fixed plate 033 and the second cooling connecting plate 052, a lock nut is arranged at one end of the fixed plate 033 far away from the second cooling connecting plate 052, the lock nut is sleeved on the rotating shaft 02 and is abutted with the fixed plate 033 to compress the fixed plate 033, so that the sealing washer between the fixed plate 033 and the lock nut is compressed, and an installation gap between the fixed plate 033 and the rotating shaft is sealed.
The gap between the first high temperature resistant sealing ring 031 and the rotating shaft 02 and the gap between the second high temperature resistant sealing ring 032 and the rotating shaft 02 are provided with a packing seal, so that the sealing performance of the screw conveying type material processing device is further improved, and the heat transfer in the screw conveying type material processing device to the sealing ring is reduced.
Further, on the basis of the above embodiment, the first end of the rotary shaft 02 is rotatably connected to the second end of the cylinder 01 through a linear bearing or a graphite bearing, which facilitates the movement of the rotary shaft 02 in the axial direction.
Preferably, as shown in fig. 1 to 5, further, on the basis of the above embodiment, the first end of the rotation shaft 02 is rotatably connected to the second end of the cylinder 01 through a graphite bearing 06.
Preferably, the graphite bearing 06 is made of alloy inlaid graphite bearing, and the alloy inlaid graphite bearing 06 has stronger wear resistance and bearing capacity.
In this embodiment, the rotation connection between the rotation shaft 02 and the cylinder 01 is realized through the graphite bearing 06, and the graphite bearing 06 can bear high temperature while realizing supporting rotation, so that the normal operation of the rotation shaft 02 and the normal operation of production are ensured. The rotation shaft 02 is rotatable with respect to the graphite bearing 06 and also slidable in the axial direction while being rotatable with respect to the graphite bearing 06, and a certain gap is provided between an end face of the first end of the rotation shaft 02 (the end face being perpendicular to the axis of the rotation shaft 02) and a cylindrical wall of the second end of the cylindrical body 01 (being perpendicular to the axis of the rotation shaft 02), and this gap can satisfy the amount of movement of the rotation shaft 02 under the pushing of the driving mechanism 04; the thermal expansion difference between the rotating shaft 02 and the cylinder body under the high-temperature condition can be met, and the damage to the first high-temperature-resistant sealing ring 031 and the second high-temperature-resistant sealing ring 032 caused by the radial expansion of the rotating shaft 02 can be avoided.
As shown in fig. 1 to 5, further, the spiral conveying type material processing apparatus further includes a graphite bearing cooling sleeve 061 sleeved on the graphite bearing 06, a third water inlet 0611, a third water outlet 0612 and a third cooling flow passage 0613 extending along the circumferential direction of the graphite bearing cooling sleeve 061 are disposed on the graphite bearing cooling sleeve 061, one end of the third cooling flow passage 0613 is communicated with the third water inlet 0611, and the other end is communicated with the third water outlet 0612.
In this embodiment, cold water enters the third cooling flow channel 0613 through the third water inlet 0611, and flows out through the third water outlet 0612 after flowing through the third cooling flow channel 0613. The cold water takes away the heat of the graphite bearing cooling sleeve 061 in the process of flowing through the third cooling flow passage 0613, so that the graphite bearing 06 connected with the graphite bearing cooling sleeve 061 is cooled, and the service life of the graphite bearing 06 is prolonged.
The third cooling flow passage 0613 may be one, that is, a circle or a section of flow passage is provided on the peripheral wall of the graphite bearing cooling sleeve 061; the number of the second cooling channels 0523 can be multiple, and a plurality of channels which are communicated in sequence are arranged on the peripheral wall of the graphite bearing cooling sleeve 061.
The graphite bearings 06 may include a first graphite bearing 06 and a second graphite bearing 06 sequentially sleeved on the rotation shaft 02 from inside to outside, so that abrasion of the graphite bearings 06 can be reduced, and cost can be reduced. Further, a heat insulating sleeve may be disposed between the graphite bearing 06 and the rotating shaft 02, preferably made of zirconia ceramic, or a ceramic fiber heat insulating pad may be disposed, and the heat insulating sleeve or the heat insulating pad may reduce heat transfer from the rotating shaft to the graphite bearing 06, thereby protecting the graphite bearing 06. The heat insulating sleeve is fixedly connected to the rotary shaft 02 by a fastener such as a countersunk screw, and the second graphite bearing 06 is fixedly connected to the heat insulating sleeve.
Further, a heat insulation filler is arranged in a gap between the graphite bearing 06 and the cylinder wall, and the heat insulation filler can reduce heat transfer of the cylinder body to the graphite bearing 06.
Further, the barrel 01 comprises a barrel body 013 and a tail seal cover 014, an opening is formed in the first end of the barrel body 013, the second end of the barrel body 013 is connected with the tail seal cover 014, the graphite bearings 06 and the second end of the rotary shaft 02 are arranged in the tail seal cover 014, a zirconia heat-insulating connecting plate or a ceramic fiber heat-insulating sealing gasket is arranged between the barrel body 013 and the tail seal cover 014, the heat-insulating connecting plate can reduce heat transfer of the barrel body 013 to the tail seal cover 014, therefore heat transfer to the graphite bearings 06 is reduced, ceramic fiber heat-insulating sealing gaskets are arranged between the barrel body 013 and the tail seal cover 014 and between a fastener and the tail seal cover 014, heat transfer to the graphite bearings 06 can be reduced, and mechanical impact to the graphite bearings during rotary shaft movement can be slowed down.
The graphite bearing 06 and the cylinder 01 are sealed with a sealing cover, and the sealing performance of the screw conveyor type material processing device is further improved.
It should be noted that, the first water inlet 0511 and the first water outlet 0512, the water inlet 0501 of the rotary joint, the water outlet 0502 of the rotary joint, the third water inlet 0611 and the third water outlet 0612 may be mutually independent and correspondingly communicated with three external water cooling devices, or may share one external water cooling device.
As shown in fig. 1 to 5, further, based on the above embodiment, the spiral conveying type material processing device further includes a rotation shaft supporting seat 07, the rotation shaft supporting seat 07 is located at one side of the second high temperature resistant sealing ring 032 away from the cylinder 01, a rolling wheel is rotatably connected to the rotation shaft supporting seat 07, and the rolling wheel is tangential to the rotation shaft 02; and/or, further comprise a cylinder supporting seat 08, and the cylinder supporting seat 08 is connected with the outer peripheral surface of the cylinder 01.
In the present embodiment, the rotation shaft support base 07 supports the rotation shaft 02. Preferably, the rotation shaft supporting seat 07 is rotatably connected with a roller, the roller is tangential to the rotation shaft 02, the roller is used for supporting the rotation shaft 02, and when the rotation shaft 02 rotates, the roller also follows to rotate, and the rotation shaft can axially slide relative to the roller under the drive of the driving mechanism. The heat conduction between the roller and the rotation shaft 02 is reduced by the line contact, and the coaxial accuracy of the rotation shaft 02 and the cylinder 01 is ensured. The thermal insulation sleeve can be sleeved on the peripheral surface of the roller, preferably the thermal insulation sleeve is made of zirconia ceramics, or the ceramic fiber thermal insulation pad is arranged on the peripheral surface of the roller, so that the heat transfer from the rotating shaft 02 to the roller is avoided, and the service life of the roller is prolonged.
The number of the rolling wheels can be two or more. The plurality of rollers are uniformly distributed by taking the center of the same section of the rotary shaft 02 as the center of a circle, so that the rotary shaft 02 at the position is restrained and positioned in a plurality of directions, the rotary shaft 02 rotates more stably, and the matching precision between the rotary shaft 02 and the cylinder 01 is further ensured.
The cylinder support base 08 may be plural, and plural cylinder support bases 08 are disposed at intervals along the axial direction of the cylinder 01. The cylinder support base 08 supports the cylinder 01.
Namely, the rotary shaft support seat 07 is adopted to support the rotary shaft 02, and the cylinder support seat 08 is adopted to support the cylinder 01, so that the spiral conveying type material processing device is stable and reliable, and the assembly precision between the rotary shaft 02 and the cylinder 01 can be further ensured.
As shown in fig. 2 and 3, further, based on the above embodiment, both the cylinder 01 and the rotation shaft 02 are vertically arranged; a second end of the rotation shaft 02 is connected to a support structure for applying an upward force to the rotation shaft 02.
In this embodiment, the opening of the cylinder 01 may be located above or below. Preferably, a support structure is provided at the second end of the rotation shaft 02 to apply an upward force to the rotation shaft 02, thereby reducing the load on the cylinder 01 and reducing the force between the rotation shaft 02 and the cylinder 01. The supporting structure can be a supporting frame, an air cylinder, a hydraulic cylinder and the like.
As shown in fig. 1 to 5, further, the screw conveyor type material handling device further includes a plurality of screw blades 09 disposed on the rotation shaft 02 along the extending direction of the rotation shaft at intervals, and the interval between two adjacent screw blades 09 may be disposed at equal intervals.
Preferably, the distance between adjacent two helical blades 09 is gradually reduced along the extending direction of the rotation shaft 02. In this embodiment, the distance between the spiral blades 09 gradually decreases along the extending direction of the rotating shaft 02, and the specific arrangement needs to be determined according to the actual material conveying direction, for example, when the conveying direction of the material is from the first end to the second end of the rotating shaft 02, the distance between the adjacent two spiral blades 09 decreases along the extending direction from the first end to the second end, and when the conveying direction of the material is from the second end to the first end of the rotating shaft 02, the distance between the adjacent two spiral blades 09 decreases along the extending direction from the second end to the first end.
Organic matters in the materials can be decomposed in the spiral conveying type material processing device to generate gas, moisture in the materials can be converted into gas at high temperature, the volume of the materials is gradually reduced in the moving process of the spiral conveying type material processing device, the distance between two adjacent spiral blades 09 is gradually reduced, the conveying of the materials can be met, the length of a rotating shaft 02 can be reduced, the overlong waist of the rotating shaft 02 is avoided, the length of a cylinder 01 is reduced, the volume of the spiral conveying type material processing device is further reduced, and the cost is reduced.
Fig. 6 is a schematic structural diagram of a high temperature reaction apparatus according to an embodiment of the present invention. As shown in fig. 1 to 6, on the basis of the above embodiment, the present invention further provides a dry distillation reaction apparatus, which includes the spiral conveying type material processing device 100 provided by the present invention, wherein one end of a cylinder 01 of the spiral conveying type material processing device 100 is provided with a feed port 011, and the other end is provided with a discharge port 012; the number of the spiral conveying type material processing devices is at least two, two adjacent spiral conveying type material processing devices are arranged in a crossing mode, and a discharge hole 012 of one of the two adjacent spiral conveying type material processing devices is communicated with a feed hole 011 of the other one of the two spiral conveying type material processing devices.
In this embodiment, two adjacent spiral conveying type material processing apparatuses 100 are disposed in a crossed manner, that is, two spiral conveying type material processing apparatuses may be disposed at a certain angle, but it is not limited whether a single spiral conveying type material processing apparatus 100 is angled with respect to the vertical direction, and a single spiral conveying type material processing apparatus 100 may be horizontal, may be vertical, or may form a certain angle with respect to the vertical direction.
Two adjacent spiral conveying type material processing devices 100 are arranged in a crossing mode, the capacity is improved, the phenomenon that the spiral conveying type material processing devices are too large in size and too long in deformation at high temperature is avoided, the occupied volume of the spiral conveying type material processing devices can be reduced, and the spiral conveying type material processing devices are miniaturized.
Preferably, two adjacent screw conveyor type material handling devices 100 are vertically arranged, which is convenient for installation, and makes the screw conveyor type material handling devices regular in structure. Further, one of the two vertically arranged screw conveying type material processing devices 100 is vertically arranged, the other one is horizontally arranged, and along the conveying direction of materials, the discharge port 012 of the vertically arranged screw conveying type material processing device is located below the feed port 011, and the feed port 011 of the horizontally arranged screw conveying type material processing device 100 is located in front of the discharge port 012, so that a plurality of screw conveying type material processing devices 100, namely a vertical screw conveying type material processing device 100, are alternately arranged, and the discharge port 012 of the vertically arranged screw conveying type material processing device 100 is always communicated with the feed port 011 of the horizontally arranged screw conveying type material processing device 100, so that the materials in the vertical screw conveying type material processing device 100 can move downwards under the self gravity, and the materials are prevented from being sticky and blocking the rotating shaft 02 under the high-temperature working condition.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (11)
1. A screw conveyor material handling apparatus, comprising: the device comprises a cylinder body, a rotating shaft, a sealing structure and a driving mechanism; the sealing structure comprises a first high-temperature-resistant sealing ring and a second high-temperature-resistant sealing ring;
an opening is formed in one end of the cylinder, and the first end of the rotating shaft penetrates through the opening and stretches into the cylinder; the opening of the cylinder body is provided with the first high-temperature-resistant sealing ring, the first high-temperature-resistant sealing ring is abutted with the second high-temperature-resistant sealing ring, and the second high-temperature-resistant sealing ring is connected with the rotating shaft; the first high-temperature-resistant sealing ring and the second high-temperature-resistant sealing ring seal a gap between the rotating shaft and the opening;
the driving mechanism is in transmission connection with the second high-temperature-resistant sealing ring so as to drive the second high-temperature-resistant sealing ring to move towards the direction close to the first high-temperature-resistant sealing ring, so that the second high-temperature-resistant sealing ring is always abutted with the first high-temperature-resistant sealing ring;
the rotary shaft support seat is positioned on one side of the second high-temperature-resistant sealing ring away from the cylinder body, and is rotationally connected with a rolling wheel which is tangential with the rotary shaft;
an air outlet is arranged on the cylinder body, so that the air can be timely discharged out of the cylinder body.
2. The screw conveyor material handling apparatus of claim 1, further comprising a cooling structure; the cooling structure comprises a first cooling connecting plate fixedly connected to the opening of the cylinder body, and the first high-temperature-resistant sealing ring is detachably and fixedly connected with the first cooling connecting plate;
the cooling device comprises a first cooling connecting plate and is characterized in that a first water inlet, a first water outlet and a first cooling flow passage extending along the circumferential direction of the first cooling connecting plate are arranged on the first cooling connecting plate, one end of the first cooling flow passage is communicated with the first water inlet, and the other end of the first cooling flow passage is communicated with the first water outlet.
3. The screw conveyor material handling apparatus of claim 2, wherein the cooling structure further comprises a rotary joint disposed at a second end of the rotary shaft and a second cooling web connected to the rotary shaft; the second high-temperature-resistant sealing ring is detachably and fixedly connected with the second cooling connecting plate; the rotary joint is provided with a water inlet and a water outlet;
the second cooling connecting plate is provided with a second water inlet, a second water outlet and a second cooling flow passage extending along the circumferential direction of the second cooling connecting plate; one end of the second cooling flow channel is communicated with the second water inlet, the other end of the second cooling flow channel is communicated with the second water outlet, the water inlet of the rotary joint is communicated with the second water inlet, and the water outlet of the rotary joint is communicated with the second water outlet.
4. A screw conveyor type material handling apparatus according to claim 3, wherein the sealing structure further comprises a fixing plate which is fixed to the rotating shaft in a socket joint, and the second cooling connecting plate is connected to the fixing plate.
5. The screw conveyor type material handling apparatus according to claim 4, wherein a flexible heat insulating gasket is provided between the first cooling connection plate and the cylinder, and/or a flexible heat insulating gasket is provided between the second cooling connection plate and the fixing plate.
6. The screw conveyor material handling apparatus of claim 1 wherein the first end of the rotating shaft is rotatably connected to the second end of the barrel by a graphite bearing.
7. The screw conveyor type material processing device according to claim 6, further comprising a graphite bearing cooling sleeve sleeved on the graphite bearing, wherein a third water inlet, a third water outlet and a third cooling runner extending along the circumferential direction of the graphite bearing cooling sleeve are arranged on the graphite bearing cooling sleeve, one end of the third cooling runner is communicated with the third water inlet, and the other end of the third cooling runner is communicated with the third water outlet.
8. The screw conveyor material handling apparatus of any one of claims 1-7, further comprising a barrel support connected to an outer peripheral surface of the barrel.
9. The screw conveyor material handling apparatus of any one of claims 1-7 wherein the barrel and the rotating shaft are both vertically disposed;
a second end of the rotating shaft is connected with a supporting structure, and the supporting structure applies upward force to the rotating shaft.
10. The screw conveyor material handling apparatus of any one of claims 1 to 7, further comprising a plurality of screw blades disposed on the rotating shaft at intervals along the extending direction of the rotating shaft, and wherein the distance between adjacent two of the screw blades is gradually reduced along the extending direction of the rotating shaft.
11. A high temperature reaction device, characterized by comprising the spiral conveying type material processing device according to any one of claims 1-10, wherein one end of a cylinder of the spiral conveying type material processing device is provided with a feed inlet, and the other end is provided with a discharge outlet;
the spiral conveying type material processing devices are at least two, two adjacent spiral conveying type material processing devices are arranged in a crossing mode, and a discharge hole of one of the two adjacent spiral conveying type material processing devices is communicated with a feed hole of the other one of the two spiral conveying type material processing devices.
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| CN201710139725.2A CN106743211B (en) | 2017-03-09 | 2017-03-09 | Spiral conveying type material processing device and high-temperature reaction equipment |
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| CN201710139725.2A CN106743211B (en) | 2017-03-09 | 2017-03-09 | Spiral conveying type material processing device and high-temperature reaction equipment |
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| CN2814035Y (en) * | 2005-06-30 | 2006-09-06 | 宝山钢铁股份有限公司 | Self-balance rotary sealing device |
| CN101955054A (en) * | 2009-07-16 | 2011-01-26 | 江苏中兴化工设备有限公司 | High-temperature resistant overflow spiral ash discharger |
| CN101696730A (en) * | 2009-10-22 | 2010-04-21 | 天津大学 | Sealing device of dynamic mixer |
| CN102139800B (en) * | 2011-02-25 | 2013-01-16 | 秦皇岛西重所燕大重型机械研究院有限公司 | High temperature-keeping screw conveyor |
| CN203392382U (en) * | 2013-08-07 | 2014-01-15 | 南京艾尔康威物料输送系统有限公司 | Pneumatic delivering screw feeder for large-particle material |
| CN203638596U (en) * | 2013-11-28 | 2014-06-11 | 北新集团建材股份有限公司 | Screw conveyor |
| CN204434567U (en) * | 2015-02-08 | 2015-07-01 | 徐子恺 | A kind of High Temperature High Pressure vapourizing furnace screw cinder cooling apparatus |
| CN205098901U (en) * | 2015-11-02 | 2016-03-23 | 福建正麒高纤科技股份有限公司 | Screw conveyer of cooling action prevents revealing and having |
| CN205684468U (en) * | 2016-05-27 | 2016-11-16 | 中国恩菲工程技术有限公司 | The continuous conveying device of heat treated material under protective atmosphere |
| CN205837848U (en) * | 2016-05-29 | 2016-12-28 | 宜都市恒运机电设备有限责任公司 | A kind of high temperature resistant conveying worm |
| CN206537853U (en) * | 2017-03-09 | 2017-10-03 | 李鹏飞 | Helical feed formula material handling apparatus and high-temperature reaction equipment |
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