CN114057413B - Automatic control continuous material guiding and distributing sealing and feeding device - Google Patents
Automatic control continuous material guiding and distributing sealing and feeding device Download PDFInfo
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- CN114057413B CN114057413B CN202111517232.0A CN202111517232A CN114057413B CN 114057413 B CN114057413 B CN 114057413B CN 202111517232 A CN202111517232 A CN 202111517232A CN 114057413 B CN114057413 B CN 114057413B
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- 238000007789 sealing Methods 0.000 title claims abstract description 104
- 239000000109 continuous material Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 63
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000005204 segregation Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 4
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 4
- 239000004571 lime Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 8
- 238000003825 pressing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/12—Preheating, burning calcining or cooling in shaft or vertical furnaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to an automatic control continuous material guiding, distributing, sealing and charging device which comprises a rotary hopper, a fixed hopper, a partition charging device, a cone self-pressurizing double-layer sealing structure, a telescopic seal, a hopper rotary holding device, a variable speed driving device, an upper cover and an overpressure feedback sealing device. The beneficial effects are as follows: the device adopts the eccentric spiral surface rotating hopper material distribution and computer control fixed hopper regional feeding method, improves the feeding uniformity, and can ensure that the height difference of the material surface in the fixed hopper is less than 200mm; the overpressure feedback sealing device can solve the problem of leakage of dust and smoke caused by overlarge operation pressure in the kiln chamber, reduce the pollution to the environment, ensure the safety of equipment, reduce equipment maintenance, improve the production efficiency, meet the requirements of serialization and large-scale development of lime shaft kiln, and meet the new times requirements of clean and environment-friendly green water and Qingshan.
Description
Technical Field
The invention relates to the technical field of kiln equipment, in particular to an automatic control continuous material guiding, distributing, sealing and feeding device.
Background
At present, the rotary feeding sealing device of the existing active lime shaft kiln is generally in the forms of single-bell feeding, double-bell feeding, single-layer rotary distributor feeding and the like. In any feeding mode, the requirements of process production can not be well met in uniformity of distribution of feeding size blocks, durability of the device and tightness of dust in the feeding process, and especially when the operation pressure in a kiln chamber is larger than a set value due to accidents, dust in the kiln chamber and the feeding device is leaked, so that the site operation environment is bad, the maintenance frequency of equipment is high, normal continuous production of enterprises is directly influenced, the efficiency is low, and the requirements of serialization and large-scale development of lime shaft kilns are not met.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention solves the technical problems of providing the automatic control continuous material guiding and distributing sealing and feeding device, adopting an eccentric spiral surface rotating hopper material distributing and computer control fixed hopper regional feeding method, improving the feeding uniformity and ensuring that the height difference of the material surface in the fixed hopper is less than 200mm; the overpressure feedback sealing device can solve the problem of leakage of dust and smoke caused by overlarge operation pressure in the kiln chamber, reduce the pollution to the environment, ensure the safety of equipment, reduce the equipment maintenance, improve the production efficiency and meet the requirements of serialization and large-scale development of lime shaft kilns.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the automatic control continuous material guiding and distributing sealing and feeding device comprises a rotary hopper, a fixed hopper, a partition feeding device, a cone self-pressurizing double-layer sealing structure, a telescopic seal, a hopper rotary holding device, a variable-speed driving device, an upper cover and an overpressure feedback sealing device, and is characterized in that the rotary hopper is arranged on the fixed hopper, is sealed through telescopic seal connection and supports the rotary hopper to balance and rotate around the fixed hopper through the hopper rotary holding device; the upper cover is arranged on the rotary hopper and is connected with the rotary hopper through a telescopic seal; the partition feeding devices are six groups and are uniformly arranged on the rotary hopper; the variable speed driving devices are two groups and are symmetrically arranged at the middle lower part of the rotary hopper; the fixed hopper and the kiln chamber opening are connected and sealed through a cone self-pressurizing double-layer sealing structure; the overpressure feedback sealing devices are four groups and are uniformly arranged around the near-fixed hopper end of the rotary hopper.
The rotary hopper is internally provided with an eccentric spiral line continuous material guiding surface, and is connected with a material segregation preventing distributing port consisting of a material guiding pipe and a chain ring group.
The cone self-pressurizing double-layer sealing structure consists of a sealing cone, a cast steel sealing ring, a heat-resistant rubber ring and a lifting oil cylinder, wherein the sealing cone is hinged with the lifting oil cylinder, the cast steel sealing ring is freely sleeved on the sealing cone, and the heat-resistant rubber ring is arranged on the sealing cone.
The variable speed driving device is composed of a variable frequency motor, a transmission gear, a pin gear, a driving support and a follower, wherein the variable frequency motor, the transmission gear and the follower are arranged on the driving support, the pin gear is arranged on the rotary hopper, and the variable frequency motor drives the pin gear to rotate through the transmission gear so as to drive the rotary hopper to rotate, and the follower rotates along with the rotary hopper.
The telescopic seal consists of high temperature resistant cloth, a positioning clamping groove, a compression clamp, a positioning pin, an annular sliding rail and an annular sealing plate, wherein the annular sliding rail is fixedly connected with a fixed hopper, the annular sealing plate is located on the annular sliding rail and is in sliding contact with the annular sliding rail, the positioning pin is fixed on a boss of the annular sealing plate, the upper end of the positioning clamping groove is fixedly connected with a rotary hopper, the lower end of the positioning clamping groove is clamped on the positioning pin, and the vertical relative movement distance L=120 mm between the positioning clamping groove and the rotary hopper; the high temperature resistant cloth is arranged along the circumference of the rotary hopper, the upper end of the high temperature resistant cloth is fixedly connected with the rotary hopper, and the lower end of the high temperature resistant cloth passes through the positioning pin through the compression clamp and is fixedly connected with the boss of the annular sealing plate.
The overpressure feedback sealing device consists of a fixed support, an air cylinder and a joint bearing roller, wherein one end of the air cylinder is arranged on the fixed support, the other end of the air cylinder is hinged with the joint bearing roller through a pin shaft group, and the distance h=60 mm between the lower edge of the joint bearing roller after being arranged and the annular sealing plate of the telescopic seal.
The eccentric spiral line continuous material guiding surface of the rotary hopper, the inner surface of the material guiding pipe of the material segregation preventing material distributing port, the inner surface of the fixed hopper and the conical surface of the near-fixed hopper of the sealing cone are all provided with rubber lining plates.
Compared with the prior art, the invention has the beneficial effects that:
1) At present, the existing inclined plane material guiding has large material separation performance and serious eccentricity of large and small particles, and the rotating hopper adopts the eccentric dispersion spiral line continuous material guiding surface, and the variable speed driving device drives the rotating hopper to rotate, so that the eccentric spiral line continuous material guiding surface can uniformly convey the materials into the fixed hopper, the segregation phenomenon is prevented, and the manufacturability is good; the laying of the spiral continuous curved rubber lining plate greatly reduces the noise of material flow and improves the field working environment;
2) At present, the existing discharge port sealing structure is generally single-ring sealing, the sealing effect is poor, the discharge port of the device adopts a cone self-pressurizing multiple sealing structure, a double-layer sealing structure is formed by a cast steel sealing ring falling by self weight, a sealing cone and a heat-resistant rubber ring together, so that the kiln bore opening is sealed, the pressure in the kiln bore is stable under the working condition, and the fixed hopper can move up and down, so that the sealing element can be conveniently detached and replaced outside the kiln bore;
3) At present, when the pressure in the kiln chamber is accidentally increased, the existing telescopic sealing structure has more dust leakage, seriously affects the production environment and has certain danger; the rotary hopper of the device is provided with the dust removing upper cover, the telescopic seal comprises flexible connected telescopic seal high temperature resistant cloth, a compression ring, a sealing pressing plate, a lifting guide positioning clamping plate and the like, and is used for sealing a contact surface of the upper hopper and the lower hopper which rotate relatively, and the rotary hopper and the fixed hopper can be detached during maintenance when the positions of the rotary hopper and the fixed hopper are required to be adjusted, so that the whole seal is good, dust generated in the feeding process is free from leakage, and the device is environment-friendly;
4) At present, the existing driving device is greatly influenced by the error of a rotating structure, the driving device and a rotating part are not well matched, the phenomenon of gear-driving and shutdown equipment is frequently caused, the replacement and maintenance are troublesome, and the production is influenced;
5) The material segregation preventing material distribution port can prevent segregation caused by different impact speeds and different material drop points of large and small blocks when materials fall, the segregation of different materials is prevented by changing the material guide pipes and the chain ring groups with different lengths, the friction between the materials and metal is reduced by arranging the material guide pipe rubber lining plate, the running noise is reduced, and the environment protection is facilitated;
6) The upper part of the rotary hopper is sealed by arranging the upper cover of the rotary hopper and adding the telescopic seal, a dust removing port is added, dust generated by charging is treated, and an overhaul manhole is arranged, so that equipment overhaul is facilitated;
7) At present, when the pressure in the kiln is accidentally increased, the gap at the joint part between the rotary hopper and the fixed hopper is increased, so that the dust leakage is serious;
8) At present, the material distribution of the whole storage area of the existing fixed hopper is uneven, so that the segregation of the material in the kiln chamber is caused, and the influence on the quality of the finished product is large.
Drawings
FIG. 1 is a schematic view of the structural principles of the present invention;
FIG. 2 is a schematic top view of the structural principles of the present invention;
FIG. 3 is a schematic view of the schematic structure of section B-B in FIG. 1;
FIG. 4 is a schematic diagram of the partial enlarged structure of section I of FIG. 1;
FIG. 5 is an enlarged schematic view of the structure of section C-C of FIG. 1 (with the variable speed drive removed);
fig. 6 is a schematic diagram of the D-D section rotation amplifying structure in fig. 5.
In the figure: 1-rotating hopper 2-fixed hopper 3-partition charging device 4-cone self-pressurizing double sealing structure 41-cast steel sealing ring 42-heat-resistant rubber ring 5-sealing cone 6-rubber lining plate 7-telescopic sealing 71-high temperature-resistant cloth 72-positioning clamping groove 73-compression clamp 74-positioning pin 75-annular sliding rail 76-annular sealing plate 8-hopper rotating holding device 9-variable speed driving device 91-variable frequency motor 92-driving gear 93-pin gear 94-follower wheel 95-driving bracket 10-material segregation preventing cloth opening 101-material guiding pipe 102-chain ring group 11-upper cover 12-overpressure feedback sealing device 121-fixed bracket 122-cylinder 123-joint bearing roller 13-material lifting cylinder 20-charging opening 21-dust removing opening 22-inspection manhole 23-kiln bore opening
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
1-6, the invention relates to an automatic control continuous material guiding, distributing, sealing and feeding device, which comprises a rotary hopper 1, a fixed hopper 2, a partition feeding device 3, a cone self-pressurizing double-layer sealing structure 4, a telescopic seal 7, a hopper rotary holding device 8, a variable speed driving device 9, an upper cover 11 and an overpressure feedback sealing device 12, wherein the rotary hopper 1 is arranged on the fixed hopper 2, is connected and sealed through the telescopic seal 7, and supports the balance of the rotary hopper 1 through the hopper rotary holding device 8 and rotates around the fixed hopper 2; the upper cover 11 is arranged on the rotary hopper 1 and is connected with the rotary hopper through a telescopic seal, so that leakage of smoke and dust is prevented; the partition charging devices 3 are six groups and are uniformly arranged on the rotary hopper 1, 6 areas (which can be limited to 6 areas according to the requirement) are arranged in the circumference of 360 degrees of the rotary hopper 1, namely the fixed hopper 2, each charging area is divided into one area every 60 degrees, each charging area is determined by detecting switches of different areas and area switch detecting plates (6 detecting switches are arranged in total, 6 switch detecting plates) and the charging amount of each area in the fixed hopper 2 is controlled by controlling the rotation speed of the rotary hopper 1 in each area, so that the material level in the fixed hopper 2 is ensured to be uniform and smooth, the height difference of the material level in the fixed hopper 2 is ensured to be less than 200mm, and the problem of material deviation in kiln production is solved; the variable speed driving devices 9 are two groups and are symmetrically arranged at the middle lower part of the rotary hopper 2; the fixed hopper 2 and the kiln bore opening 23 are connected and sealed through a cone self-pressurizing double-layer sealing structure 4; the overpressure feedback sealing devices 12 are four groups and are uniformly arranged around the end of the rotary hopper 1 near the fixed hopper 2.
An eccentric spiral line continuous material guiding surface is arranged in the rotary hopper 1, and a material segregation preventing material distributing port 10 formed by a material guiding pipe 101 and a chain ring group 102 is connected below the rotary hopper; the eccentricity of the material segregation preventing material distributing port 10 directly influences the uniformity of material distribution, the eccentricity 475mm is set in the scheme, the length of the material guiding pipe 101 can be conveniently replaced through flange connection (the length of the material guiding pipe is 170mm, the diameter of the material distributing port is phi 400 mm), the chain ring group 102 (the chain ring length is 250mm, the diameter phi 400 mm) for preventing segregation is prevented, when the material 103 in the fixed hopper 2 falls down from the material segregation preventing material distributing port 10, due to different material impact speeds, the materials with large and small blocks are easy to segregate, the material segregation is prevented through replacing the material guiding pipe 101 and the chain ring group 102, and the friction between the material and the wall of the material guiding pipe 101 and the environmental operation noise can be reduced due to the arrangement of the rubber lining plate 6 arranged in the material guiding pipe 101.
The cone self-pressurizing double-layer sealing structure 4 consists of a sealing cone 5, a cast steel sealing ring 41, a heat-resistant rubber ring 42 and a lifting oil cylinder 19, wherein the sealing cone 5 is hinged with the lifting oil cylinder 19 (the lifting oil cylinder 19 is used for lifting the sealing cone 5), the cast steel sealing ring 41 is freely sleeved on the sealing cone 5, and the heat-resistant rubber ring 42 is arranged on the sealing cone 5. When the lifting oil cylinder 19 is lifted, the sealing cone 5 is driven to move upwards to close the kiln chamber opening 23, and the cast steel sealing ring 41 falling by self weight forms a double-layer sealing structure together with the sealing cone 5 and the heat-resistant sealing rubber ring 42 to close the kiln chamber opening 23 so as to keep the pressure in the kiln chamber stable under the working condition; when the lifting oil cylinder 19 descends, the sealing cone 5 is driven to move downwards to open the kiln chamber opening 23, so that the material 13 enters the kiln chamber, and the feeding action is completed.
The variable speed driving device 9 is composed of a variable frequency motor 91, a transmission gear 92, a pin gear 93, a driving support 95 and a follower 94, wherein the variable frequency motor 91, the transmission gear 92 and the follower 94 are all arranged on the driving support 95, the pin gear 93 is arranged on the rotary hopper 1 (the pin gear has low requirements on environment and matching precision, the rotary error of the rotary hopper 1 can be maximally tolerant, the variable speed driving device is suitable for the application occasion of the device), the variable frequency motor 91 drives the pin gear 93 to rotate through the transmission gear 92 so as to drive the rotary hopper 1 to rotate, the follower 94 rotates along with the rotary hopper 1, the transmission gear 92 can be guaranteed to be well meshed with the pin gear 93 and stably run, the rotating speed of the follower 94 is accurately controlled within a proper area range according to the instruction of a system, the rotating speed range of the rotary hopper 1 at present is reasonably arranged between 8 r/min, the various specifications of materials 13 in the rotary hopper 1 are uniformly dispersed, and the variable speed driving device 9 meets the requirement of uniform distribution of the rotary hopper 1.
The telescopic seal 7 consists of high temperature resistant cloth 71, a positioning clamping groove 72, a compression clamp 73, a positioning pin 74, an annular sliding rail 75 and an annular sealing plate 76, wherein the annular sliding rail 75 is fixedly connected with the fixed hopper 2, the annular sealing plate 76 is located on the annular sliding rail 75 and is in sliding contact with the annular sliding rail, the positioning pin 74 is fixed on a boss of the annular sealing plate 76, the upper end of the positioning clamping groove 72 is fixedly connected with the rotary hopper 1, the lower end of the positioning clamping groove is clamped on the positioning pin 74 (limiting the circumferential tangential displacement of the annular sealing plate 76), and the upper and lower relative movement distance L=120 mm; the high temperature resistant cloth 71 is circumferentially arranged along the rotary hopper 1, the upper end is fixedly connected with the rotary hopper 1, the lower end passes through the positioning pin 74 through the pressing clamp 73 to be fixedly connected with the boss of the annular sealing plate 76, the relative rotary contact surface of the rotary hopper 1 and the fixed hopper 2 is flexibly sealed, the sealing surface caused by movement errors can be prevented from being separated by the telescopic sealing, and convenience is brought to the adjustment of the relative positions of the rotary hopper 1 and the fixed hopper 2 or the maintenance.
Further, lubricating oil can be injected between the annular sliding rail 75 and the annular sealing plate 76, so that the rotation flexibility is improved, and the abrasion is reduced.
The overpressure feedback sealing device 12 is composed of a fixed support 121, an air cylinder 122 and a knuckle bearing roller 123, wherein one end of the air cylinder 122 is installed on the fixed support 121 (the fixed support 121 is fixedly installed around the rotary hopper 1), the other end of the air cylinder is hinged with the knuckle bearing roller 123 through a pin shaft group, and the distance h=60 mm between the lower edge of the installed knuckle bearing roller 123 and the annular sealing plate 76 of the telescopic seal 7.
The eccentric spiral line continuous material guiding surface of the rotary hopper 1, the inner surface of the material guiding pipe 101 of the material segregation preventing material distributing port 10, the inner surface of the fixed hopper 2 and the conical surface of the near-fixed hopper 2 of the sealing cone 5 are all provided with rubber lining plates 6, and the use of the rubber lining plates 6 greatly reduces the flowing noise of the material 13.
The telescopic seal between the rotary hopper 1 and the upper cover 11 has the same structure as the telescopic seal 7 between the rotary hopper 1 and the fixed hopper 2 (see fig. 6).
Further, the upper cover 11 is provided with a charging port 20, a dust removing port 21 (phi 300mm, for treating dust generated in the charging process, and also for discharging part of flue gas when the pressure in the kiln chamber is accidentally increased), and an inspection manhole 22.
When in operation, the device comprises:
1) When the fixed hopper 2 is fed, materials 13 enter the rotary hopper 1 through the feed inlet 20, the variable speed driving device 9 drives the rotary hopper 1 to rotate, the rotation speed is determined by the partition feeding device 3 controlled by a computer, and the partition feeding device 3 controls the feeding amount of each region in the fixed hopper 2 by controlling the rotation speeds of different regions, so that the material level in the fixed hopper 2 is ensured to be even and smooth, the height difference of the material level in the fixed hopper 2 is ensured to be less than 200mm, and the problem of deviation in kiln production is solved; at the moment, the cone self-pressurizing double-layer sealing structure 4 seals the kiln chamber opening 23, and the pressure in the kiln chamber is stable under the working condition;
2) When the kiln chamber is charged, the lifting oil cylinder 19 descends to drive the sealing cone 5 to move downwards to open the kiln chamber opening 23, so that the material 13 enters the kiln chamber to complete the charging action;
3) When the pressure in the kiln chamber is accidentally too high, the gap between the annular slide rail 75 and the annular sealing plate 76 is enlarged, so that the smoke and dust are leaked, at the moment, the pneumatic control system instructs the cylinder 122 to supply air in time according to an overpressure feedback signal of the kiln top pressure through the air path control system, so that the joint bearing roller 123 moves downwards to press on the upper surface of the annular sealing plate 76 and rotate along the tangential direction of the rotary hopper 1, and is tightly attached to the annular slide rail 75, thereby eliminating the gap between the annular slide rail 75 and the annular sealing plate 76, simultaneously opening the dust removing opening 21, reducing the leakage of dust and smoke, greatly reducing the pollution to the environment, and ensuring the safety of equipment when the pressure in the kiln chamber is ensured; after the recovery, the air supply of the air circuit system is stopped, the air supply system is started, the pressing cylinder 122 is recovered to the original waiting position (namely, the distance h=60 mm from the lower edge of the knuckle bearing roller 123 to the annular sealing plate 76 of the telescopic seal 7), and the whole equipment is recovered to normal operation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. The automatic control continuous material guiding and distributing sealing and feeding device comprises a rotary hopper, a fixed hopper, a partition feeding device, a cone self-pressurizing double-layer sealing structure, a telescopic seal, a hopper rotary holding device, a variable-speed driving device, an upper cover and an overpressure feedback sealing device, and is characterized in that the cone self-pressurizing double-layer sealing structure consists of a sealing cone, a cast steel sealing ring, a heat-resistant rubber ring and a lifting oil cylinder, wherein the sealing cone is hinged with the lifting oil cylinder, the cast steel sealing ring is freely sleeved on the sealing cone, and the heat-resistant rubber ring is arranged on the sealing cone;
the telescopic seal consists of high temperature resistant cloth, a positioning clamping groove, a compression clamp, a positioning pin, an annular sliding rail and an annular sealing plate, wherein the positioning pin is fixed on a boss of the annular sealing plate, the annular sliding rail is fixedly connected with a fixed hopper, the annular sealing plate is located on the annular sliding rail and is in sliding contact with the annular sliding rail, the upper end of the positioning clamping groove is fixedly connected with a rotary hopper, the lower end of the positioning clamping groove is clamped on the positioning pin, and the vertical relative movement distance L=120 mm between the positioning clamping groove and the annular sliding rail; the high-temperature-resistant cloth is arranged along the circumference of the rotary hopper, the upper end of the high-temperature-resistant cloth is fixedly connected with the rotary hopper, and the lower end of the high-temperature-resistant cloth passes through the positioning pin through the compression clamp and is fixedly connected with the boss of the annular sealing plate;
the variable speed driving device consists of a variable frequency motor, a transmission gear, a pin gear, a driving bracket and a follower wheel, wherein the variable frequency motor, the transmission gear and the follower wheel are arranged on the driving bracket, the pin gear is arranged on the rotary hopper, and the variable frequency motor drives the pin gear to rotate through the transmission gear so as to drive the rotary hopper to rotate, and the follower wheel rotates along with the rotary hopper;
the overpressure feedback sealing device consists of a fixed support, an air cylinder and a knuckle bearing roller, wherein one end of the air cylinder is arranged on the fixed support, the other end of the air cylinder is hinged with the knuckle bearing roller through a pin shaft group, and the distance h=60 mm between the lower edge of the installed knuckle bearing roller and the annular sealing plate of the telescopic seal;
the rotary hopper is arranged on the fixed hopper, is sealed through telescopic sealing connection and supports the rotary hopper to balance and rotate around the fixed hopper through the hopper rotary holding device; the upper cover is arranged on the rotary hopper and is connected with the rotary hopper through a telescopic seal; the partition feeding devices are six groups and are uniformly arranged on the rotary hopper; the variable speed driving devices are two groups and are symmetrically arranged at the middle lower part of the rotary hopper; the fixed hopper and the kiln chamber opening are connected and sealed through a cone self-pressurizing double-layer sealing structure; the overpressure feedback sealing devices are four groups and are uniformly arranged around the near-fixed hopper end of the rotary hopper.
2. The automatic control continuous material guiding, distributing and sealing feeding device according to claim 1, wherein the rotating hopper is internally provided with an eccentric spiral line continuous material guiding surface, and is connected with a material segregation preventing distributing opening consisting of a material guiding pipe and a chain ring group.
3. The automatic control continuous material guiding, distributing and sealing feeding device according to claim 2, wherein the eccentric spiral line continuous material guiding surface of the rotary hopper, the inner surface of the material guiding pipe of the material segregation preventing material distributing port, the inner surface of the fixed hopper and the near-fixed hopper conical surface of the sealing cone are all provided with rubber lining plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517232.0A CN114057413B (en) | 2021-12-13 | 2021-12-13 | Automatic control continuous material guiding and distributing sealing and feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111517232.0A CN114057413B (en) | 2021-12-13 | 2021-12-13 | Automatic control continuous material guiding and distributing sealing and feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114057413A CN114057413A (en) | 2022-02-18 |
| CN114057413B true CN114057413B (en) | 2024-03-19 |
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| CN202111517232.0A Active CN114057413B (en) | 2021-12-13 | 2021-12-13 | Automatic control continuous material guiding and distributing sealing and feeding device |
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| CN216711944U (en) * | 2021-12-13 | 2022-06-10 | 中冶焦耐(大连)工程技术有限公司 | Automatic sealed feeding device of continuous guide cloth of control |
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