CN111649580A - Industrial kiln rotates absolute seal structure - Google Patents
Industrial kiln rotates absolute seal structure Download PDFInfo
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- CN111649580A CN111649580A CN202010588241.8A CN202010588241A CN111649580A CN 111649580 A CN111649580 A CN 111649580A CN 202010588241 A CN202010588241 A CN 202010588241A CN 111649580 A CN111649580 A CN 111649580A
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- sealing ring
- fixedly connected
- end cover
- kiln
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/24—Seals between rotary and stationary parts
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a rotary absolute sealing structure of an industrial kiln, which comprises a rotary cylinder body, wherein a bottom frame is arranged below the rotary cylinder body, one end of the rotary cylinder body is provided with a kiln head end cover, and the other end of the rotary cylinder body is provided with a kiln tail end cover; the bottom frame is fixedly connected with a first support frame, the outer side of the kiln head end cover is fixedly connected with a first mounting rod which is arranged in the radial direction, and the first mounting rod frame is fixedly connected to the first support frame; a second support frame is fixedly connected to the bottom frame, a second mounting rod which is radially arranged is fixedly connected to the outer side of the kiln tail end cover, and the second mounting rod is fixedly connected to the second support frame; the kiln tail end cover, the kiln tail end cover and the rotary cylinder are sealed through sealing rings, and the sealing rings are made of silicon carbide or graphite materials. The invention has good sealing effect, reduces the exhaust emission, achieves the energy-saving and environment-friendly effect, and improves the product: the quality of the biogas, the yield of carbon and the safe and stable operation coefficient of the kiln.
Description
The technical field is as follows:
the invention relates to the technical field of end sealing of rotary kilns, in particular to a rotary absolute sealing structure of an industrial kiln.
Background art:
the straw gasification centralized gas supply technology is a new technology launched in rural energy construction in China. The straw is used as raw material, and is pyrolyzed and reduced to produce combustible gas for cooking and heating. The straw fuel gas is a combustible gas produced by biomass through closed anoxic, dry distillation pyrolysis and thermochemical oxidation, and the gas is a mixed gas containing carbon monoxide, hydrogen, methane and the like and is also called as biomass gas. In the process of straw gasification treatment, the straw needs to be subjected to chemical reaction in a closed high-temperature environment, and in order to improve the working efficiency, the quality of biomass gas and the yield and uniformity of charcoal, a rotary kiln of an industrial kiln is generally adopted for treatment.
The rotary kiln in an industrial kiln is also called a rotary kiln and is referred to as a rotary calcining kiln. The rotary kiln is characterized in that a gap inevitably exists between a rotary cylinder body of the rotary kiln and a cover body of a kiln head and a kiln tail, in order to prevent external air from being sucked into rotary equipment or gas carrying materials in the rotary equipment from leaking, a sealing device must be arranged between the cylinder body and the cover body of the rotary kiln, and the sealing effect of the rotary kiln sealing device is good or bad, so that the safe and stable operation of the rotary kiln system, the product quality, the production cost, the environment-friendly and energy-saving effects and the like are influenced to a great extent. The end part sealing effect of the existing rotary kiln is poor, so that the end part sealing problem of the rotary kiln needs to be solved, and the rotary sealing structure for the end part of the industrial kiln with good sealing effect is provided.
The invention content is as follows:
the invention aims to solve the technical problem that the end part of the existing rotary industrial kiln is poor in rotary sealing, and provides a rotary absolute sealing structure of the industrial kiln.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an industrial kiln rotates absolute seal structure, includes the rotation barrel, the below of rotation barrel is equipped with the underframe, fixedly connected with along the solid fixed ring that the rotation barrel outer wall border was arranged on the rotation barrel outer wall, 2 are no less than to the solid fixed ring setting, and the below of every solid fixed ring is equipped with 2 first supporting seats, and 2 first supporting seats below every solid fixed ring along solid fixed ring axis symmetric arrangement, first supporting seat fixed connection is on the underframe, rotate on the first supporting seat and be connected with first gyro wheel, first gyro wheel is located the below of solid fixed ring and is used for holding up the solid fixed ring, the one end of rotation barrel is equipped with the kiln head end cover, the other end of rotation barrel is equipped with the kiln tail end cover; the kiln head end cover is characterized in that a first connecting flange connected with the kiln head end cover into a whole is arranged at the outer edge of the kiln head end cover, the first connecting flange is fixedly connected with a first sealing ring through a bolt, a second connecting flange is fixedly connected with one side edge of the rotary cylinder body close to the kiln head end cover, a second sealing ring is fixedly connected onto the second connecting flange, a first groove is arranged on the first sealing ring, a second groove corresponding to the first groove is arranged on the second sealing ring, a first middle ring is clamped in the first groove and the second groove, a third groove and a fourth groove are respectively arranged at two ends of the first middle ring, a first sealing ring is clamped and embedded at the bottom of the first groove, a second sealing ring is clamped and embedded in the second groove, a third sealing ring is clamped and embedded in the third groove, a fourth sealing ring is clamped and embedded in the fourth groove, and the end parts of the first sealing ring and the third sealing ring are in contact and sealed, the end part of the second sealing ring is in contact sealing with the end part of the fourth sealing ring; the bottom frame is fixedly connected with a first support frame, the outer side of the kiln head end cover is fixedly connected with a first mounting rod which is arranged in the radial direction, and the first mounting rod frame is fixedly connected to the first support frame;
the kiln tail end cover is characterized in that a third connecting flange connected with the kiln tail end cover into a whole is arranged at the outer edge of the kiln tail end cover, the third connecting flange is fixedly connected with a third sealing ring through a bolt, a fourth connecting flange is fixedly connected with one side edge of the rotary cylinder body close to the kiln tail end cover, a fourth sealing ring is fixedly connected onto the fourth connecting flange, a fifth groove is arranged on the third sealing ring, a sixth groove corresponding to the fifth groove is arranged on the fourth sealing ring, a second middle ring is clamped between the fifth groove and the sixth groove, a seventh groove and an eighth groove are respectively arranged at two ends of the second middle ring, a fifth sealing ring is clamped and embedded at the bottom of the fifth groove, a sixth sealing ring is clamped and embedded in the sixth groove, a seventh sealing ring is clamped and embedded in the seventh groove, an eighth sealing ring is clamped and embedded in the eighth groove, and the end parts of the fifth sealing ring are in contact and sealed with the seventh sealing ring, the end part of the sixth sealing ring is in contact sealing with the end part of the eighth sealing ring; a second support frame is fixedly connected to the bottom frame, a second mounting rod which is radially arranged is fixedly connected to the outer side of the kiln tail end cover, and the second mounting rod is fixedly connected to the second support frame; the first sealing ring, the second sealing ring, the third sealing ring, the fourth sealing ring, the fifth sealing ring, the sixth sealing ring, the seventh sealing ring and the eighth sealing ring are made of silicon carbide or graphite materials.
Furthermore, one end of the first roller is provided with a step shaft, the step shaft is positioned on the side surface of the fixing ring, and the step shaft on the first roller below the fixing ring is not completely positioned on the same side of the fixing ring.
Furthermore, heat exchange tubes penetrate through the middle parts of the kiln head end cover and the kiln tail end cover, the heat exchange tubes penetrate through the inside of the rotary cylinder body, two ends of the heat exchange tubes are respectively and fixedly connected to the kiln head end cover and the kiln tail end cover, the heat exchange tubes are used for connecting high-temperature gas, the high-temperature gas enters from one end of the kiln tail end cover, flows out from one end of the kiln head end cover and heats the inside of the rotary cylinder body, shoveling plates are fixedly connected to the inner wall of the rotary cylinder body, are obliquely arranged on the inner wall of the rotary cylinder body and are obliquely arranged along the section of the rotary cylinder body, the shoveling plates surround the heat exchange tubes, and are used for shoveling and scattering materials in the rotary cylinder body and conveying the materials to one end of the kiln tail.
Further, fixedly connected with rotates the ring gear that the barrel periphery was arranged along rotating on the outer wall of barrel, fixedly connected with second supporting seat on the underframe, it is connected with first gear to rotate on the second supporting seat, first gear passes through the gear engagement transmission with the ring gear, fixedly connected with and the coaxial second gear of first gear in the pivot of first gear, fixed mounting has a driving motor on the second supporting seat, fixedly connected with third gear on a driving motor's the output shaft, the second gear passes through gear engagement with the third gear, a driving motor is used for rotating the barrel through the power transmission drive and rotates.
Furthermore, an access hole is formed in one side, close to the kiln tail end cover, of the cylinder wall of the rotary cylinder body, and a sealing cover plate is detachably connected below the access hole.
Further, the kiln tail end cover is provided with a discharge port, the outer side of the discharge port is fixedly connected with a discharge pipe, a lifting cylinder is fixedly mounted on the bottom frame, the lifting cylinder is obliquely arranged, the lower end of the lifting cylinder is connected with the bottom of the discharge pipe, the interior of the discharge pipe is communicated with the inner cavity of the lower end of the lifting cylinder, a screw rod is connected to the inner rotation of the lifting cylinder, a second driving motor is fixedly connected to the outer wall of the upper end of the lifting cylinder, one end of the screw rod penetrates through the wall of the upper end of the lifting cylinder and is connected with the output shaft of the second driving motor through chain wheel transmission, a blanking port is formed in the bottom of the upper end of the lifting cylinder, and a sealing.
Further, fixedly connected with inlet pipe on the kiln head end cover, the inlet pipe is used for the extrusion through the pneumatic cylinder to the internal input material of rotating the barrel.
Further, an air outlet pipe and an air inlet pipe are fixedly connected to the kiln tail end cover, the air outlet pipe and the air inlet pipe are connected with a gas switch in series, the air outlet pipe is used for discharging generated gas after the gasification reaction of materials in the rotary cylinder is completed, the air inlet pipe is used for connecting gas after high-pressure purification to wash meshes of the air pipe, and the air outlet pipe and the air inlet pipe alternate in time to respectively undertake air inlet and air outlet functions.
Further, a pressure gauge is installed on the rotating cylinder and used for measuring pressure in the rotating cylinder.
The invention provides a rotary absolute sealing structure of an industrial kiln, which has the following beneficial effects: according to the invention, the kiln head end cover and the kiln tail end cover are arranged at two ends of the rotary cylinder body, the kiln head end cover and the kiln tail end cover are clamped with the rotary cylinder body through the intermediate rings, and are mutually attached to the intermediate rings through the double-layer sealing rings for sealing, so that the sealing effect is good, the materials in the rotary cylinder body are isolated from nitrogen, the exhaust emission is reduced, and the reaction efficiency is improved; the sealing ring is made of silicon carbide or graphite materials, and the materials are smooth and high-temperature resistant, so that the sealing ring has small resistance and good sealing performance in the relative rotation process; the barrel is rotated to carry out the dry durum reaction on the internal straw material, so that the internal material reacts in the continuous rotating process, the reaction efficiency and the quality of biomass gas are improved, the uniformity of the internal material is kept, and the process of the internal material reaction is consistent.
Description of the drawings:
the following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
FIG. 1 is a schematic structural diagram of a rotary absolute sealing structure of an industrial kiln provided by the invention;
FIG. 2 is a partial structural view of the portion A in FIG. 1;
FIG. 3 is a partial structural view of the portion B in FIG. 1;
FIG. 4 is a partial structural view of the portion C in FIG. 1;
fig. 5 is a partial structural diagram of a portion D in fig. 1.
The reference numbers in the figures illustrate: 1. rotating the cylinder; 11. a fixing ring; 12. a second connecting flange; 13. a second seal ring; 131. a second trench; 132. a second seal ring; 14. a fourth connecting flange; 15. a fourth seal ring; 151. a sixth trench; 152. a sixth seal ring; 16. a heat exchange pipe; 17. shoveling plates; 18. a ring gear; 19. an access hole; 191. sealing the cover plate; 2. a bottom frame; 21. a first support base; 22. a first roller; 221. a step shaft; 23. a first support frame; 24. a second support frame; 25. a second support seat; 251. a first gear; 252. a second gear; 253. a first drive motor; 254. a third gear; 3. a kiln head end cover; 31. a first connecting flange; 32. a first seal ring; 321. a first trench; 322. a first seal ring; 33. a first mounting bar; 34. a feed pipe; 4. a kiln tail end cover; 41. a third connecting flange; 42. a third seal ring; 421. a fifth trench; 422. a fifth seal ring; 43. a second mounting bar; 44. a discharge port; 45. a discharge pipe; 46. an air outlet pipe; 47. an air inlet pipe; 5. a first intermediate ring; 51. a third seal ring; 52. a fourth seal ring; 6. a second intermediate ring; 61. a seventh seal ring; 62. an eighth seal ring; 7. a lifting cylinder; 71. a screw rod; 72. a second drive motor; 73. a blanking port; 74. and (7) closing the plate.
The specific implementation mode is as follows:
it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure) -motion situation, etc., and if the specific posture is changed, the directional indicators are changed accordingly, and the connection may be a direct connection or an indirect connection.
As shown in fig. 1-5, an industrial kiln rotary absolute sealing structure comprises a rotary cylinder body 1, a bottom frame 2 is arranged below the rotary cylinder body 1, fixing rings 11 arranged along the circumference of the outer wall of the rotary cylinder body 1 are fixedly connected to the outer wall of the rotary cylinder body 1, the fixing rings 11 are arranged at least at 2 positions, 2 first supporting seats 21 are arranged below each fixing ring 11, the 2 first supporting seats 21 below each fixing ring 11 are symmetrically arranged along the axis of each fixing ring 11, the first supporting seats 21 are fixedly connected to the bottom frame 2, first rollers 22 are rotatably connected to the first supporting seats 21, the first rollers 22 are located below the fixing rings 11 and used for supporting the fixing rings 11, a kiln head end cover 3 is arranged at one end of the rotary cylinder body 1, and a kiln tail end cover 4 is arranged at the other end of the rotary cylinder body 1; the kiln head end cover comprises a kiln head end cover 3, a first connecting flange 31 connected with the kiln head end cover 3 into a whole is arranged at the outer edge of the kiln head end cover 3, the first connecting flange 31 is fixedly connected with a first sealing ring 32 through a bolt, one side edge of the rotary cylinder body 1 close to the kiln head end cover 3 is fixedly connected with a second connecting flange 12, a second sealing ring 13 is fixedly connected onto the second connecting flange 12, a first groove 321 is arranged on the first sealing ring 32, a second groove 131 corresponding to the first groove 321 is arranged on the second sealing ring 13, a first middle ring 5 is clamped between the first groove 321 and the second groove 131, a third groove and a fourth groove are respectively arranged at two ends of the first middle ring 5, a first sealing ring 322 is clamped at the bottom of the first groove 321, a second sealing ring 132 is clamped in the second groove 131, a third sealing ring 51 is clamped in the third groove, a fourth sealing ring 52 is embedded in the fourth groove in a clamping manner, the end part of the first sealing ring 322 is in contact sealing with the end part of the third sealing ring 51, and the end part of the second sealing ring 132 is in contact sealing with the end part of the fourth sealing ring 52; the bottom frame 2 is fixedly connected with a first support frame 23, the outer side of the kiln head end cover 3 is fixedly connected with a first mounting rod 33 which is radially arranged, and the first mounting rod 33 is fixedly connected to the first support frame 23;
the kiln tail end cover is characterized in that a third connecting flange 41 connected with the kiln tail end cover 4 into a whole is arranged at the outer edge of the kiln tail end cover 4, the third connecting flange 41 is fixedly connected with a third sealing ring 42 through a bolt, a fourth connecting flange 14 is fixedly connected with one side edge of the rotary cylinder body 1 close to the kiln tail end cover 4, a fourth sealing ring 15 is fixedly connected onto the fourth connecting flange 14, a fifth groove 421 is arranged on the third sealing ring 42, a sixth groove 151 corresponding to the fifth groove 421 is arranged on the fourth sealing ring 15, a second middle ring 6 is clamped in the fifth groove 421 and the sixth groove 151, a seventh groove and an eighth groove are respectively arranged at two ends of the second middle ring 6, a fifth sealing ring 422 is clamped at the bottom of the fifth groove 421, a sixth sealing ring 152 is clamped in the sixth groove 151, a seventh sealing ring 61 is clamped in the seventh groove, an eighth sealing ring 62 is embedded in the eighth groove in a clamping manner, the end part of the fifth sealing ring 422 is in contact sealing with the end part of the seventh sealing ring 61, and the end part of the sixth sealing ring 152 is in contact sealing with the end part of the eighth sealing ring 62; the bottom frame 2 is fixedly connected with a second support frame 24, the outer side of the kiln tail end cover 4 is fixedly connected with a second mounting rod 43 which is radially arranged, and the second mounting rod 43 is fixedly connected to the second support frame 24; the first sealing ring 322, the second sealing ring 132, the third sealing ring 51, the fourth sealing ring 52, the fifth sealing ring 422, the sixth sealing ring 152, the seventh sealing ring 61, and the eighth sealing ring 62 are made of silicon carbide or graphite materials.
By adopting the technical scheme, the kiln head end cover 3 and the kiln tail end cover 4 are arranged at the two ends of the rotary cylinder body 1, the kiln head end cover 3 and the kiln tail end cover 4 are clamped with the rotary cylinder body 1 through the intermediate rings, and are mutually attached and sealed with the intermediate rings through the double-layer sealing rings, so that the sealing effect is good, the materials in the rotary cylinder body 1 are isolated from air, and the exhaust emission is reduced; the sealing ring is made of silicon carbide and graphite materials, and the materials are smooth and high-temperature resistant, so that the sealing ring has small resistance and good sealing performance in the relative rotation process; the internal straw materials are reacted by rotating the barrel body 1, so that the internal materials are reacted in the continuous rotating process, the reaction efficiency is improved, the quality of the biomass gas is improved, the uniformity of the internal materials is kept, and the reaction process of the internal materials is consistent.
Specifically, one end of the first roller 22 is provided with a step shaft 221, the step shaft 221 is located on the side surface of the fixing ring 11, and the step shaft 221 on the first roller 22 below the fixing ring 11 is not completely located on the same side of the fixing ring 11. The rotating cylinder 1 can be positioned by the step shaft 221, and the rotating cylinder 1 is prevented from deviating.
Concretely, heat exchange tube 16 has been interlude in the middle part of kiln head end cover 3, kiln tail end cover 4, heat exchange tube 16 passes and both ends difference fixed connection is on kiln head end cover 3 and kiln tail end cover 4 from rotating 1 inside of barrel, heat exchange tube 16 is used for connecting high-temperature gas and gets into, flows out and then heats rotating 1 inside of barrel from kiln tail end cover 4 one end, fixed connection flight 17 on the inner wall of rotating 1, flight 17 slope is arranged and is arranged on rotating 1's the inner wall and along rotating 1's section slope, and flight 17 around heat exchange tube 16's week, flight 17 is used for rotating when barrel 1 rotates to spread the material in the barrel 1 and carry the material to tail end cover 4 one end. The material in the rotary cylinder body 1 is heated through the heat exchange tube 16 with heat, the heating is convenient, the material is disturbed by the shoveling plate on the rotary cylinder body 1 in the rotating process, and the heating stability is improved.
Specifically, fixedly connected with on the outer wall of rotation barrel 1 rotates the ring gear 18 that the barrel 1 periphery was arranged along rotating, fixedly connected with second supporting seat 25 on the underframe 2, it is connected with first gear 251 to rotate on the second supporting seat 25, first gear 251 passes through gear engagement transmission with ring gear 18, fixedly connected with in the pivot of first gear 251 with the coaxial second gear 252 of first gear 251, fixedly mounted has first driving motor 253 on the second supporting seat 25, fixedly connected with third gear 254 on the output shaft of first driving motor 253, second gear 252 passes through gear engagement with third gear 254, first driving motor 253 is used for rotating barrel 1 through power transmission drive and rotates. The gear ring is driven to rotate by the motor, so that the rotary cylinder body 1 is driven to rotate, and the stable rotation is ensured by the meshing of the gears.
Specifically, an access hole 19 is formed in one side, close to the kiln tail end cover 4, of the cylinder wall of the rotary cylinder body 1, and a sealing cover plate 191 is detachably connected below the access hole 19. The inside of the rotary cylinder body 1 can be conveniently overhauled through the access hole 19, and the end part can be prevented from being blocked.
Specifically, a discharge hole 44 is formed in the kiln tail end cover 4, a discharge pipe 45 is fixedly connected to the outer side of the discharge hole 44, a lifting cylinder 7 is fixedly mounted on the bottom frame 2, the lifting cylinder 7 is obliquely arranged, the lower end of the lifting cylinder 7 is connected to the bottom of the discharge pipe 45, the inner portion of the discharge pipe 45 is communicated with the lower end inner cavity of the lifting cylinder 7, a screw rod 71 is rotatably connected to the lifting cylinder 7, spiral blades are fixedly connected to the outer wall of the screw rod 71, a second driving motor 72 is fixedly connected to the outer wall of the upper end of the lifting cylinder 7, one end of the screw rod 71 penetrates through the wall of the upper end of the lifting cylinder 7 and is connected to an output shaft of the second driving motor 72 through sprocket transmission, a blanking hole 73 is formed in the bottom of the upper end of the lifting cylinder 7, and a sealing plate 74 is. The material of the discharge hole 44 is lifted and output through the lifting cylinder 7, the material is conveniently discharged, and the sealing plate 74 is arranged at the bottom of the blanking hole 73, so that the sealing in the rotating cylinder body 1 can be ensured in the heating process.
Specifically, fixedly connected with inlet pipe 34 on the kiln head end cover 3, fixedly connected with gate valve on the inlet pipe 34, inlet pipe 34 is used for the extrusion through the pneumatic cylinder to the input material in the rotation barrel 1. The material is squeezed into the feeding pipe 34 through the hydraulic cylinder, and is squeezed into the rotary barrel body 1 from the feeding pipe 34, so that the material is conveniently fed.
Specifically, an air outlet pipe 46 and an air inlet pipe 47 are fixedly connected to the kiln tail end cover 4, the air outlet pipe 46 and the air inlet pipe 47 are both connected in series with a gas switch, the air outlet pipe 46 is used for discharging generated gas after the material in the rotary cylinder body 1 is subjected to gasification reaction, the air inlet pipe 47 is used for connecting gas after high-pressure purification to wash meshes of the air pipes, and the air outlet pipe and the air inlet pipe alternate in time to respectively undertake air inlet and air outlet functions.
Specifically, install the manometer on the barrel that rotates 1, the manometer is used for measuring the pressure in the barrel that rotates 1.
The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.
Claims (9)
1. The utility model provides an absolute seal structure is rotated to industrial kiln which characterized in that: comprises a rotary cylinder body (1), a bottom frame (2) is arranged below the rotary cylinder body (1), the outer wall of the rotating cylinder body (1) is fixedly connected with a fixed ring (11) which is arranged along the circumference of the outer wall of the rotating cylinder body (1), the number of the fixing rings (11) is not less than 2, a first supporting seat (21) at 2 is arranged below each fixing ring (11), and 2 first supporting seats (21) below each fixing ring (11) are symmetrically arranged along the axis of the fixing ring (11), the first supporting seat (21) is fixedly connected to the bottom frame (2), the first supporting seat (21) is rotatably connected with a first roller (22), the first roller (22) is positioned below the fixing ring (11) and is used for supporting the fixing ring (11), one end of the rotary cylinder body (1) is provided with a kiln head end cover (3), and the other end of the rotary cylinder body (1) is provided with a kiln tail end cover (4); the kiln head end cover comprises a kiln head end cover (3), and is characterized in that a first connecting flange (31) connected with the kiln head end cover (3) into a whole is arranged at the outer edge of the kiln head end cover (3), the first connecting flange (31) is fixedly connected with a first sealing ring (32) through a bolt, a second connecting flange (12) is fixedly connected with one side edge of a rotary cylinder body (1) close to the kiln head end cover (3), a second sealing ring (13) is fixedly connected with the second connecting flange (12), a first groove (321) is arranged on the first sealing ring (32), a second groove (131) corresponding to the first groove (321) is arranged on the second sealing ring (13), a first middle ring (5) is clamped in the first groove (321) and the second groove (131), a third groove and a fourth groove are respectively arranged at two ends of the first middle ring (5), a first sealing ring (322) is clamped at the bottom of the first groove (321), a second sealing ring (132) is embedded in the second groove (131) in a clamping manner, a third sealing ring (51) is embedded in the third groove in a clamping manner, a fourth sealing ring (52) is embedded in the fourth groove in a clamping manner, the first sealing ring (322) is in contact sealing with the end part of the third sealing ring (51), and the second sealing ring (132) is in contact sealing with the end part of the fourth sealing ring (52); a first support frame (23) is fixedly connected to the bottom frame (2), a first mounting rod (33) which is radially arranged is fixedly connected to the outer side of the kiln head end cover (3), and the first mounting rod (33) is fixedly connected to the first support frame (23);
a third connecting flange (41) connected with the kiln tail end cover (4) into a whole is arranged at the outer edge of the kiln tail end cover (4), the third connecting flange (41) is fixedly connected with a third sealing ring (42) through a bolt, a fourth connecting flange (14) is fixedly connected with one side edge of the rotary cylinder body (1) close to the kiln tail end cover (4), a fourth sealing ring (15) is fixedly connected onto the fourth connecting flange (14), a fifth groove (421) is arranged on the third sealing ring (42), a sixth groove (151) corresponding to the fifth groove (421) is arranged on the fourth sealing ring (15), a second middle ring (6) is clamped between the fifth groove (421) and the sixth groove (151), a seventh groove and an eighth groove are respectively arranged at two ends of the second middle ring (6), a fifth sealing ring (422) is embedded at the bottom of the fifth groove (421), a sixth sealing ring (152) is embedded in the sixth groove (151) in a clamping manner, a seventh sealing ring (61) is embedded in the seventh groove in a clamping manner, an eighth sealing ring (62) is embedded in the eighth groove in a clamping manner, the fifth sealing ring (422) is in contact sealing with the end part of the seventh sealing ring (61), and the sixth sealing ring (152) is in contact sealing with the end part of the eighth sealing ring (62); a second support frame (24) is fixedly connected to the bottom frame (2), a second mounting rod (43) which is radially arranged is fixedly connected to the outer side of the kiln tail end cover (4), and the second mounting rod (43) is fixedly connected to the second support frame (24); the first sealing ring (322), the second sealing ring (132), the third sealing ring (51), the fourth sealing ring (52), the fifth sealing ring (422), the sixth sealing ring (152), the seventh sealing ring (61) and the eighth sealing ring (62) are made of silicon carbide or graphite materials.
2. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: the one end of first gyro wheel (22) is equipped with step axle (221), step axle (221) are located the side of solid fixed ring (11), and step axle (221) on first gyro wheel (22) of solid fixed ring (11) below do not lie in solid fixed ring (11) same one side completely.
3. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: heat exchange tubes (16) are inserted in the middle parts of the kiln head end cover (3) and the kiln tail end cover (4), the heat exchange tube (16) penetrates through the rotary cylinder body (1) and two ends of the heat exchange tube are respectively and fixedly connected to the kiln head end cover (3) and the kiln tail end cover (4), the heat exchange tube (16) is used for connecting high-temperature gas, enters from one end of the kiln tail end cover (4), flows out from one end of the kiln head end cover (3) and further heats the inside of the rotary cylinder body (1), the inner wall of the rotary cylinder body (1) is fixedly connected with a shoveling plate (17), the shoveling plate (17) is obliquely arranged on the inner wall of the rotary cylinder body (1) and is obliquely arranged along the section of the rotary cylinder body (1), and the shoveling plates (17) surround the periphery of the heat exchange tube (16), and the shoveling plates (17) are used for shoveling and scattering materials in the rotary cylinder body (1) and conveying the materials to one end of the kiln tail end cover (4) when the rotary cylinder body (1) rotates.
4. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: the utility model discloses a barrel of power transmission, including rotation barrel (1), underframe (2), first gear (251), second gear (252), first gear (253), first driving motor (253) are connected with fixedly on the output shaft of first driving motor (253), second gear (252) and third gear (254) pass through gear engagement, first driving motor (253) are used for rotating barrel (1) through power transmission drive rotation on the outer wall of rotation barrel (1) fixedly connected with along ring gear (18) that rotation barrel (1) periphery was arranged, fixedly connected with second supporting seat (25) on underframe (2), rotate on second supporting seat (25) and be connected with second gear (252) coaxial with first gear (251), fixed mounting has first driving motor (253), fixedly connected with third gear (254) on the output shaft of first driving motor (253), second gear (252) and third gear (254) pass through gear engagement, first driving motor (253) are.
5. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: an access hole (19) is formed in one side, close to the kiln tail end cover (4), of the wall of the rotary cylinder body (1), and a sealing cover plate (191) is detachably connected below the access hole (19).
6. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: a discharge hole (44) is formed in the kiln tail end cover (4), a discharge pipe (45) is fixedly connected to the outer side of the discharge hole (44), a lifting cylinder (7) is fixedly arranged on the bottom frame (2), the lifting cylinder (7) is obliquely arranged, the lower end of the lifting cylinder (7) is connected with the bottom of the discharge pipe (45), and the interior of the discharge pipe (45) is communicated with the lower end inner cavity of the lifting cylinder (7), a screw rod (71) is rotationally connected in the lifting cylinder (7), a second driving motor (72) is fixedly connected on the outer wall of the upper end of the lifting cylinder (7), one end of the screw rod (71) passes through the upper end cylinder wall of the lifting cylinder (7) and is in transmission connection with an output shaft of a second driving motor (72) through a chain wheel, a blanking port (73) is formed in the bottom of the upper end of the lifting cylinder (7), and a sealing plate (74) is detachably connected to the bottom of the blanking port (73).
7. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: fixedly connected with inlet pipe (34) on kiln head end cover (3), fixedly connected with gate valve on inlet pipe (34), inlet pipe (34) are used for the extrusion through the pneumatic cylinder to input the material in rotating barrel (1).
8. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: the kiln tail end cover (4) is fixedly connected with an air outlet pipe (46) and an air inlet pipe (47), the air outlet pipe (46) and the air inlet pipe (47) are connected with a gas switch in series, the air outlet pipe (46) is used for discharging generated gas after the material in the rotary cylinder body (1) is subjected to gasification reaction, the air inlet pipe (47) is used for connecting gas after high-pressure purification to wash air pipe meshes, and the air outlet pipe and the air inlet pipe are alternately exchanged according to time to respectively undertake air inlet and air outlet functions.
9. The industrial kiln rotary absolute sealing structure according to claim 1, characterized in that: the rotary cylinder (1) is provided with a pressure gauge, and the pressure gauge is used for measuring the pressure in the rotary cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588241.8A CN111649580A (en) | 2020-06-24 | 2020-06-24 | Industrial kiln rotates absolute seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010588241.8A CN111649580A (en) | 2020-06-24 | 2020-06-24 | Industrial kiln rotates absolute seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111649580A true CN111649580A (en) | 2020-09-11 |
Family
ID=72345272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010588241.8A Withdrawn CN111649580A (en) | 2020-06-24 | 2020-06-24 | Industrial kiln rotates absolute seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111649580A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485151A (en) * | 2022-02-08 | 2022-05-13 | 淮北众城水泥有限责任公司 | Rotary cement kiln sealing system |
-
2020
- 2020-06-24 CN CN202010588241.8A patent/CN111649580A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485151A (en) * | 2022-02-08 | 2022-05-13 | 淮北众城水泥有限责任公司 | Rotary cement kiln sealing system |
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Application publication date: 20200911 |
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