CN108050849B - Cooling kiln - Google Patents
Cooling kiln Download PDFInfo
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- CN108050849B CN108050849B CN201810050398.8A CN201810050398A CN108050849B CN 108050849 B CN108050849 B CN 108050849B CN 201810050398 A CN201810050398 A CN 201810050398A CN 108050849 B CN108050849 B CN 108050849B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
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Abstract
The invention relates to a cooling device, in particular to a cooling kiln, which comprises a rotary drum, a feeding chute, a water inlet and outlet device, a cooling device and a rotating device; the rotary cylinder is arranged on the rotary seat, the rotary device drives the rotary cylinder to rotate around the axis of the rotary cylinder, and the feeding chute is arranged at the feeding end; the rotary cylinder is a double-layer cylinder and comprises an outer cylinder and an inner cylinder, a cooling water channel is arranged between the outer cylinder and the inner cylinder, two ends of the outer cylinder are respectively connected with a water inlet and outlet device, and the water inlet and outlet device enables cooling water to enter from one end of the outer cylinder and flow out from the other end of the outer cylinder; the water inlet and outlet device is connected with a cooling device, and the cooling device cools the high-temperature water coming out of the cooling water channel; the guide plate is spirally arranged in the inner cylinder and extends from the feeding end to the discharging end of the rotary cylinder; kiln hoods are arranged at two ends of the rotary drum, and a discharge hole is arranged at the bottom of the kiln hoods. The cooling kiln has the advantages of small volume, small occupied area, good cooling effect, low running cost, simple structure and suitability for cooling high-temperature materials.
Description
Technical Field
The invention relates to a cooling device, in particular to a cooling kiln.
Background
The cooling kiln can cool production materials, at present, the cooling mode of the cooling kiln adopts two modes, so that part of kiln body is immersed in the water tank, water in the water tank is comprehensively cooled through rotation of the kiln body, the investment of the mode is large, a large field is required to be occupied, the other mode adopts a spraying mode, namely, a spray header is arranged on the upper portion of the kiln body, the spray header is arranged at the upper end of the kiln body, the cooling capacity is reduced when the treatment capacity is increased, the cooling effect is poor, the cooling speed is low, a large amount of cooling water is required to cool the materials, meanwhile, phenomena such as overflow and splashing exist in the cooling kiln, the cooling effect is influenced, the running cost is increased, and unnecessary economic loss is caused.
Disclosure of Invention
In order to solve the problems, the invention provides a cooling kiln with small volume, good cooling effect, low running cost and simple structure, which comprises the following specific technical scheme:
the cooling kiln comprises a rotary cylinder, a feeding chute, a water inlet and outlet device, a cooling device and a rotating device; the rotary cylinder is arranged on the rotary seat, the rotary cylinder is connected with the rotary device, the rotary device drives the rotary cylinder to rotate around the axis of the rotary cylinder, the two ends of the rotary cylinder are respectively a feeding end and a discharging end, and the feeding chute is arranged at the feeding end; the rotary cylinder is a double-layer cylinder and comprises an outer cylinder and an inner cylinder, a cooling water channel is arranged between the outer cylinder and the inner cylinder, two ends of the outer cylinder are respectively connected with a water inlet and outlet device, and the water inlet and outlet device enables cooling water to enter from one end of the outer cylinder and flow out from the other end of the outer cylinder; the water inlet and outlet device is connected with a cooling device, and the cooling device cools the high-temperature water coming out of the cooling water channel; the guide plate is spirally arranged in the inner cylinder and extends from the feeding end to the discharging end of the rotary cylinder; kiln hoods are arranged at two ends of the rotary drum, and a discharge hole is arranged at the bottom of the kiln hoods.
Through adopting above-mentioned technical scheme, high temperature material removes the discharge end from the feed end under the effect of the guide plate that the spiral set up, and heliciform guide plate can the propelling movement material, also can stir the material simultaneously, makes the material of high temperature fully contact with the rotary drum, prevents simultaneously that high temperature material gathering from leading to the cooling effect to deteriorate.
The kiln head cover prevents high-temperature materials from splashing out.
The water inlet and outlet device controls the cooling water to flow through the cooling water channel, the cooling water takes away the heat on the inner cylinder, and the cooling speed and the cooling temperature can be controlled through the flow.
Preferably, the feeding chute is obliquely arranged, the feeding chute penetrates through the kiln head cover, and the end part of the feeding chute is inserted into the inner barrel; the water inlet and outlet device comprises a rotary joint and a cooling pipe, one end of the rotary joint is connected with a water pipe, the water pipe penetrates through the kiln head cover, the water pipes at the two ends of the inner cylinder are respectively connected with the water pump and the cooling device, the other end of the rotary joint is connected with one end of the cooling pipe through an elbow, and the other end of the cooling pipe is fixed on the inner cylinder and communicated with the cooling water channel; the cooling pipe rotates along with the rotary cylinder, and a gap is reserved between the cooling pipe at the feeding end and the end part of the feeding chute.
By adopting the technical scheme, the feeding chute directly conveys high-temperature materials into the inner cylinder. The rotary joint is a closed rotary connector capable of rotating and conveying media by 360 degrees, one non-rotatable end of the rotary joint is provided with an elbow, the elbow is connected with the cooling pipe, one rotatable end of the rotary joint is connected with the water pipe, the water pipe is positioned on the axis of the rotary cylinder, and the cooling pipe rotates along with the rotary cylinder. The rotation of the cooling pipe is not interfered with the feeding chute.
Preferably, the rotary joint comprises a joint seat, a connecting pipe, a sealing cover and a sealing ring; the connector seat is provided with a connecting through hole, one end of the connecting through hole is provided with a sealing ring, the other end of the connecting through hole is provided with a water pipe, and the water pipe is in sealing connection with the connecting through hole; the sealing cover is movably arranged on the joint seat, a fixing groove is formed in the sealing cover, a through hole is formed in the bottom of the fixing groove, and a bearing is arranged in the fixing groove; the connecting pipe is fixed on the bearing, and one end of the connecting pipe is inserted on the sealing ring.
By adopting the technical scheme, the bearing is arranged on the sealing cover, so that the connecting pipe is conveniently arranged, after the connecting pipe is arranged on the bearing, the sealing cover is covered, the end part of the connecting pipe is inserted into the sealing ring, and the connecting pipe is communicated with the water pipe through the connecting hole. The sealing cover is adopted, so that the bearing and the sealing ring can be conveniently replaced later, and the maintenance is convenient. The water pipe of the rotating shaft joint is provided with an elbow which can replace the rotating joint. The seal ring may be a skeletal seal ring.
Preferably, the sealing cover is provided with an annular cooling groove, and the cooling groove is positioned at the outer side of the fixed groove and is positioned at one side of the depth of the fixed groove; the sealing ring is arranged at one end of the joint seat, provided with the sealing ring, and a plurality of cooling holes are uniformly distributed on the outer side of the sealing ring and communicated with the cooling grooves of the sealing cover; the surface of the sealing cover, which is contacted with the joint seat, is provided with a sealing ring or a sealing gasket.
By adopting the technical scheme, the annular cooling groove on the sealing cover cools the temperature of the bearing and the sealing ring, and the overhigh temperature of the bearing and the sealing ring is prevented. Cooling water enters the cooling holes from the connecting grooves and enters the cooling grooves from the cooling holes.
The sealing gasket or the sealing ring further improves the sealing between the sealing cover and the joint seat, and leakage is prevented.
Preferably, the outer side of the joint seat is provided with a heat insulation sleeve or is coated with high-temperature resistant heat insulation paint; the heat insulation sleeve is a composite silicate heat insulation sleeve, one end of the heat insulation sleeve is provided with a heat insulation groove, the bottom of the heat insulation groove is provided with a through hole, the heat insulation sleeve is symmetrically arranged on the joint seat, and the joint seat is positioned in the heat insulation groove.
By adopting the technical scheme, the heat insulation sleeve can reduce the temperature of the joint seat, protect the service life of the bearing and the sealing ring inside the joint seat, and improve the high-temperature resistant range of the rotary joint.
The composite silicate has good heat insulation effect. The high-temperature-resistant heat-insulating coating adopts nano ceramic hollow microspheres, silicon aluminum fibers and various reflecting materials as raw materials, has a temperature resistance range of-80-1800 ℃, can directly face flame heat insulation and heat preservation, has a heat conductivity coefficient of only 0.03W/m.K, can effectively inhibit and shield the conduction of radiant heat and heat of infrared rays, has a heat insulation inhibition efficiency of about 90%, can inhibit the heat radiation and heat dissipation of high-temperature objects, can effectively insulate cold for low-temperature objects, can inhibit the cold loss caused by environmental radiant heat, and can also prevent the occurrence of object condensation.
The protective sheath is equipped with in the outside of insulating sheath, and the one end of protective sheath is equipped with the protection slot, and the bottom of protection slot is equipped with the through-hole, and the protective sheath symmetry is installed on the insulating sheath, and the insulating sheath is located the protection slot, and the protective sheath passes through the fix with screw on the joint seat. The protective sleeve protects the heat insulation sleeve. The heat insulation sleeve is made of composite silicate, and the composite silicate has poor strength and is easy to damage, so that the protective sleeve is added.
Preferably, a cooling partition plate is arranged in the cooling water channel, the cooling partition plate is arranged along the axial direction of the rotary drum, the cooling partition plate partitions the cooling water channel into a plurality of cooling cavities, the cooling cavities are respectively communicated with the cooling pipes, one ends of the cooling pipes positioned at the same end of the rotary drum are respectively arranged on the connecting seat, the connecting seat is connected with the rotary joint, and the rotary joint is connected with the cooling device through water pumps respectively.
Through adopting above-mentioned technical scheme, cooling water channel's volume is great, has the not smooth and easy condition of some regional rivers, leads to the cooling of inner tube inhomogeneous to lead to the cooling of material inhomogeneous, influenced the cooling effect. The cooling water channel is divided into a plurality of cooling cavities, and the cooling cavities are small in size and can effectively form stable water flow for long and narrow shapes, so that the cooling uniformity and the cooling effect are ensured.
Preferably, the connecting seat is a cylinder, the top of the connecting seat is provided with a top connecting hole, the side surface of the connecting seat is provided with a plurality of side connecting holes, the top connecting hole is communicated with the side connecting holes, the top connecting hole is connected with a connecting pipe of the rotary joint, and the side connecting holes are connected with the cooling pipe.
Preferably, the kiln head cover comprises a housing, a discharge hopper and a transition cover; the housing is a cylindrical shell, one side of the housing is provided with a jack, the diameter of the jack is larger than that of the rotary cylinder, and the rotary cylinder is inserted into the jack; the transition cover and the discharge hopper are both arranged on the housing, the transition cover is arranged on one side of the jack, and the transition cover and the housing form an annular transition groove; the discharge hopper is fixed at the bottom of the housing.
By adopting the technical scheme, the rotary cylinder is inserted in the housing, so that high-temperature materials can be effectively prevented from splashing out. The annular transition groove can effectively reduce scattering of powdery materials out of the cooling kiln, and meanwhile, overflow of high-temperature gas can be reduced, and influence of the cooling kiln on the surrounding environment is reduced.
Preferably, annular baffles are arranged at two ends of the rotary cylinder, the baffles are positioned in the transition groove, and the baffles enable the transition groove to form a tortuous channel inside; the transition cover is characterized in that an annular connecting piece plate is arranged on the outer side of the transition cover, the connecting plate is obliquely arranged, a plurality of hanging plates are arranged on the connecting plate, the hanging plates are arranged in an annular mode, one end of each hanging plate is in contact with the rotary cylinder, and adjacent hanging plates are movably overlapped.
By adopting the technical scheme, the tortuous channel can further reduce the scattering of powdery materials out of the cooling kiln; and effectively blocks the high-temperature gas in the housing from overflowing.
Preferably, two rotating seats are arranged, and the rotating seats are respectively arranged at two ends of the rotary cylinder; the rotating seat comprises a supporting wheel, a limiting wheel and a base; the supporting wheels are symmetrically fixed at two ends of the base, and the limiting wheels are symmetrically fixed at two sides of the base; the outer side surface of the outer cylinder of the rotary cylinder is provided with a rotating ring which is pressed on the two supporting wheels and is positioned between the two limiting wheels; the rotating device comprises a driven gear, a driving gear, a speed reducer and a motor; the driven gear is fixed on the outer side of the outer cylinder, the driving gear is fixed on the bearing seat through the driving shaft and meshed with the driven gear, the driving shaft is connected with the speed reducer through the coupler, and the speed reducer is connected with the motor.
By adopting the technical scheme, the supporting wheel supports the rotary cylinder to rotate, and the limiting wheel prevents the rotary cylinder from moving axially. The gear transmission is stable and the transmission ratio is large.
Compared with the prior art, the invention has the following beneficial effects:
the cooling kiln provided by the invention has the advantages of small volume, small occupied area, good cooling effect, low operation cost, simple structure, suitability for cooling high-temperature materials and capability of reducing the temperature of the high-temperature materials to below 100 ℃.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the cooling pipe and the rotary joint when the cooling water passage is integrated;
FIG. 3 is a schematic view of a plurality of cooling chambers connected to a rotary joint;
FIG. 4 is a schematic cross-sectional view of a swivel base;
FIG. 5 is a schematic cross-sectional view of a rotary joint;
fig. 6 is a schematic structural view of the rotary base.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, the cooling kiln comprises a rotary drum 2, a feed chute 31, a water inlet and outlet device, a cooling device and a rotating device.
The rotary cylinder 2 is arranged on the rotary seat, the rotary cylinder 2 is connected with a rotating device, the rotating device drives the rotary cylinder 2 to rotate around the axis of the rotary cylinder 2, and two ends of the rotary cylinder 2 are respectively a feeding end and a discharging end. The rotary cylinder 2 is a double-layer cylinder and comprises an outer cylinder 21 and an inner cylinder 22, and a cooling water channel 26 is arranged between the outer cylinder 21 and the inner cylinder 22; two ends of the outer cylinder 21 are respectively connected with a water inlet and outlet device, and the water inlet and outlet device enables cooling water to enter from one end of the outer cylinder 21 and flow out from the other end; the water inlet and outlet device is connected with a cooling device, and the cooling device cools the high-temperature water coming out of the cooling water channel 26; the inside of the inner cylinder 22 is provided with a guide plate 23, the guide plate 23 is spirally arranged, and the guide plate 23 extends from the feeding end to the discharging end of the rotary cylinder 2; kiln hoods 1 are arranged at two ends of the rotary drum 2.
A feed chute 31 is mounted at the feed end, the feed chute 31 is mounted obliquely, the feed chute 31 passes through the kiln head hood 1, and the end of the feed chute 31 is inserted into the inner barrel 22.
The water inlet and outlet device comprises a rotary joint 5 and a cooling pipe 27, one end of the rotary joint 5 is connected with a water pipe 55, the water pipe 55 penetrates through the kiln head cover 1, the water pipes 55 at two ends of the inner barrel 22 are respectively connected with a water pump and the cooling device, the other end of the rotary joint 5 is connected with one end of the cooling pipe 27 through an elbow, and the other end of the cooling pipe 27 is fixed on the inner barrel 22 and is communicated with the cooling water channel 26; the cooling tube 27 rotates following the rotary drum 2, and the cooling tube 27 at the feed end is spaced from the end of the feed chute 31.
The rotary joint 5 comprises a joint seat 51, a connecting pipe 56, a sealing cover 61 and a sealing ring 58; the joint seat 51 is provided with a connecting through hole 52, one end of the connecting through hole 52 is provided with a sealing ring 58, the other end is provided with a water pipe 55, and the water pipe 55 is in sealing connection with the connecting through hole 52; the sealing cover 61 is movably arranged on the joint seat 51 through screws on the flange 65, the sealing cover 61 is provided with a fixing groove 62, the bottom of the fixing groove 62 is provided with a through hole, and the fixing groove 62 is internally provided with a bearing 57; the connection pipe 56 is fixed to the bearing 57, and one end of the connection pipe 56 is inserted into the seal ring 58.
The kiln head cover 1 comprises a housing 11, a discharge hopper 12 and a transition cover 13; the housing 11 is a cylindrical shell, one side of the housing 11 is provided with a jack, the diameter of the jack is larger than that of the rotary cylinder 2, and the rotary cylinder 2 is inserted into the jack; the transition cover 13 and the discharge hopper 12 are both arranged on the housing 11, the transition cover 13 is arranged on one side of the jack, and the transition cover 13 and the housing 11 form an annular transition groove 16; the discharge hopper 12 is fixed to the bottom of the housing 11.
As shown in fig. 6, two rotating seats are provided, and the rotating seats are respectively arranged at two ends of the rotary cylinder 2; the rotating seat comprises a supporting wheel 33, a limiting wheel 34 and a base 32; the supporting wheels 33 are symmetrically fixed at two ends of the base 32, and the limiting wheels 34 are symmetrically fixed at two sides of the base 32; the outer side surface of the outer cylinder 21 of the rotary cylinder 2 is provided with a rotating ring 35, and the rotating ring 35 is pressed on the two supporting wheels 33 and is positioned between the two limiting wheels 34; the rotating device comprises a driven gear 36, a driving gear 37, a speed reducer 38 and a motor 39; the driven gear 36 is fixed on the outer side of the outer cylinder 21, the driving gear 37 is fixed on a bearing seat through a driving shaft and meshed with the driven gear 36, the driving shaft is connected with a speed reducer 38 through a coupler, and the speed reducer 38 is connected with a motor 39.
The cooling device is a cooling tower.
The feed chute 31 delivers the high temperature material directly into the inner barrel 22. The high temperature material removes the discharge end from the feed end under the effect of the guide plate 23 that the spiral set up, and heliciform guide plate 23 can the propelling movement material, also can stir the material simultaneously, makes the material of high temperature fully contact with rotary drum 2, prevents simultaneously that the high temperature material gathering from leading to the cooling effect to deteriorate.
The kiln head cover 1 prevents high temperature materials from splashing out.
The water inlet and outlet device controls the cooling water to flow through the cooling water channel 26, the cooling water takes away the heat on the inner cylinder 22, and the cooling speed and the cooling temperature can be controlled by the flow.
The rotary joint 5 is a closed rotary connector capable of rotating and conveying media by 360 degrees, one non-rotatable end of the rotary joint 5 is provided with an elbow, the elbow is connected with the cooling pipe 27, the connecting pipe 56 of the rotary joint 5 is connected with the water pipe 55, the water pipe 55 is positioned on the axis of the rotary cylinder 2, and the cooling pipe 27 rotates along with the rotary cylinder 2. The cooling tube 27 rotates without interfering with the feed chute 31.
Example two
On the basis of the first embodiment, as shown in fig. 5, the sealing cover 61 is provided with an annular cooling groove 64, and the cooling groove 64 is located outside the fixing groove 62 and is located at one side of the depth of the fixing groove 62; the end of the joint seat 51 provided with the sealing ring 58 is provided with a plurality of cooling holes 54, the cooling holes 54 are uniformly distributed on the outer side of the sealing ring 58, the cooling holes 54 are communicated with cooling grooves 64 of the sealing cover 61, an annular connecting groove 53 is arranged in a connecting through hole 52 of the joint seat 51, and the connecting groove 53 is communicated with the cooling holes 54; the surface of the sealing cover 61 contacting the joint seat 51 is provided with a sealing ring.
The annular cooling groove 64 on the seal cover 61 cools the temperature of the bearing 57 and the seal ring 58, preventing the temperature of the bearing 57 and the seal ring 58 from becoming excessively high. Cooling water enters the cooling holes 54 from the connection grooves 53, and enters the cooling grooves 64 from the cooling holes 54. The sealing ring further improves the sealing between the sealing cover and the joint seat, and leakage is prevented.
Example III
In addition to the first or second embodiment, as shown in fig. 5, a heat insulating sleeve 66 is provided on the outer side of the joint block 51. The heat insulation sleeve 66 is a composite silicate heat insulation sleeve 66, one end of the heat insulation sleeve 66 is provided with a heat insulation groove, the bottom of the heat insulation groove is provided with a through hole, the heat insulation sleeve 66 is symmetrically arranged on the joint seat 51, and the joint seat 51 is positioned in the heat insulation groove.
The protective sheath 67 is equipped with in the outside of insulating sheath 66, and the one end of protective sheath 67 is equipped with the protection slot, and the bottom of protection slot is equipped with the through-hole, and protective sheath 67 symmetry installs on insulating sheath 66, and insulating sheath 66 is located the protection slot, and protective sheath 67 passes through the fix with screw on joint seat 5. Protective sleeve 67 protects sleeve 66. The heat insulating sleeve is made of composite silicate, and the composite silicate has poor strength and is easy to damage, so that the heat insulating sleeve 66 is protected by the protective sleeve 67.
Example IV
On the basis of the above embodiment, as shown in fig. 3, a cooling partition plate 28 is disposed in the cooling water channel 26, the cooling partition plate 28 is disposed along the axial direction of the rotary drum 2, the cooling partition plate 28 partitions the cooling water channel 26 into a plurality of cooling cavities, the cooling cavities are respectively communicated with the cooling pipes 27, one ends of the cooling pipes 27 located at the same end of the rotary drum 2 are respectively mounted on the connection base 4, the connection base 4 is connected with the rotary joint 5, and the rotary joint 5 is respectively connected with the cooling device by a water pump through a water pipe 55.
As shown in fig. 4, the connection base 4 is a cylinder, the top of the connection base 4 is provided with a top connection hole 41, the side surface is provided with a plurality of side connection holes 42, the top connection hole 41 is communicated with the side connection holes 42, the top connection hole 41 is connected with a connection pipe 56 of the rotary joint 5, and the side connection holes 42 are connected with the cooling pipe 27.
The cooling water channel 26 has a larger volume, and some areas have unsmooth water flow, so that the inner cylinder 22 is unevenly cooled, and the material is unevenly cooled, so that the cooling effect is affected. The cooling water channel 26 is divided into a plurality of cooling cavities, the cooling cavities are small in size, and stable water flow can be effectively formed for long and narrow shapes, so that the cooling uniformity and the cooling effect are ensured.
Example five
On the basis of the embodiment, the two ends of the rotary cylinder 2 are provided with the annular baffles 24, the annular baffles 24 are positioned in the transition groove 16, and the annular baffles 24 form a tortuous channel in the transition groove 16; the outside of the transition cover 13 is provided with annular connecting plates 14, the connecting plates 14 are obliquely arranged, the connecting plates 14 are provided with hanging plates 15, the hanging plates 15 are arranged in an annular mode, one end of each hanging plate 15 is in contact with the rotary drum 2, adjacent hanging plates 15 are movably overlapped, namely one side of each hanging plate 15 is pressed above the corresponding adjacent hanging plate 15.
The tortuous channel can further reduce the scattering of powdery materials out of the cooling kiln; and effectively blocks the escape of high temperature gas within the housing 11.
Claims (5)
1. The cooling kiln is characterized by comprising a rotary drum (2), a feeding chute (31), a water inlet and outlet device, a cooling device and a rotating device; the rotary drum (2) is arranged on the rotary seat, the rotary drum (2) is connected with the rotating device, the rotating device drives the rotary drum (2) to rotate around the axis of the rotary drum (2), the two ends of the rotary drum (2) are respectively a feeding end and a discharging end, and the feeding chute (31) is arranged at the feeding end; the rotary cylinder (2) is a double-layer cylinder and comprises an outer cylinder (21) and an inner cylinder (22), a cooling water channel (26) is arranged between the outer cylinder (21) and the inner cylinder (22), two ends of the outer cylinder (21) are respectively connected with a water inlet and outlet device, and the water inlet and outlet device enables cooling water to enter from one end of the outer cylinder (21) and flow out from the other end; the water inlet and outlet device is connected with a cooling device, and the cooling device cools high-temperature water coming out of the cooling water channel (26); a guide plate (23) is arranged in the inner cylinder (22), the guide plate (23) is spirally arranged, and the guide plate (23) extends from the feeding end to the discharging end of the rotary cylinder (2); kiln hoods (1) are arranged at two ends of the rotary drum (2), and a discharge hole is formed in the bottom of each kiln hood (1);
the feeding chute (31) is obliquely arranged, the feeding chute (31) penetrates through the kiln head cover (1), and the end part of the feeding chute (31) is inserted into the inner barrel (22); the water inlet and outlet device comprises a rotary joint (5) and a cooling pipe (27), one end of the rotary joint (5) is connected with a water pipe (55), the water pipe (55) penetrates through the kiln head cover (1), the water pipes (55) at two ends of the inner barrel (22) are respectively connected with a water pump and the cooling device, the other end of the rotary joint (5) is connected with one end of the cooling pipe (27) through an elbow, and the other end of the cooling pipe (27) is fixed on the inner barrel (22) and is communicated with the cooling water channel (26); the cooling pipe (27) rotates along with the rotary drum (2), and a gap is reserved between the cooling pipe (27) at the feeding end and the end part of the feeding chute (31);
the rotary joint (5) comprises a joint seat (51), a connecting pipe (56), a sealing cover (61) and a sealing ring (58); the connector seat (51) is provided with a connecting through hole (52), one end of the connecting through hole (52) is provided with a sealing ring (58), the other end of the connecting through hole is provided with a water pipe (55), and the water pipe (55) is in sealing connection with the connecting through hole (52); the sealing cover (61) is movably arranged on the joint seat (51), a fixing groove (62) is formed in the sealing cover (61), a through hole is formed in the bottom of the fixing groove (62), and a bearing (57) is arranged in the fixing groove (62); the connecting pipe (56) is fixed on the bearing (57), and one end of the connecting pipe (56) is inserted on the sealing ring (58);
the outer side of the joint seat (51) is provided with a heat insulation sleeve (66) or is coated with high-temperature-resistant heat insulation paint; the heat insulation sleeve (66) is a composite silicate heat insulation sleeve (66), one end of the heat insulation sleeve (66) is provided with a heat insulation groove, the bottom of the heat insulation groove is provided with a through hole, the heat insulation sleeve (66) is symmetrically arranged on the joint seat (51), and the joint seat (51) is positioned in the heat insulation groove;
a cooling partition plate (28) is arranged in the cooling water channel (26), the cooling partition plate (28) is arranged along the axial direction of the rotary drum (2), the cooling water channel (26) is divided into a plurality of cooling cavities by the cooling partition plate (28), the cooling cavities are respectively communicated with cooling pipes (27), one ends of the cooling pipes (27) positioned at the same end of the rotary drum (2) are respectively arranged on a connecting seat (4), the connecting seat (4) is connected with a rotary joint (5), and the rotary joint (5) is respectively connected with a cooling device through a water pump (55);
an annular cooling groove (64) is formed in the sealing cover (61), and the cooling groove (64) is positioned outside the fixing groove (62) and is consistent with the depth of the fixing groove (62); one end of the joint seat (51) provided with a sealing ring (58) is provided with a plurality of cooling holes (54), the cooling holes (54) are uniformly distributed on the outer side of the sealing ring (58), the cooling holes (54) are communicated with cooling grooves (64) of the sealing cover (61), annular connecting grooves (53) are arranged in connecting through holes (52) of the joint seat (51), and the connecting grooves (53) are communicated with the cooling holes (54); the surface of the sealing cover (61) contacted with the joint seat (51) is provided with a sealing ring or a sealing gasket.
2. The cooling kiln according to claim 1, characterized in that the connection base (4) is a cylinder, the top of the connection base (4) is provided with a top connection hole (41), the side is provided with a plurality of side connection holes (42), the top connection hole (41) is communicated with the side connection holes (42), the top connection hole (41) is connected with a connection pipe (56) of the rotary joint (5), and the side connection holes (42) are connected with the cooling pipe (27).
3. The cooling kiln according to claim 1, characterized in that the kiln head hood (1) comprises a housing (11), a discharge hopper (12) and a transition hood (13); the shell (11) is a cylindrical shell, one side of the shell (11) is provided with a jack, the diameter of the jack is larger than that of the rotary cylinder (2), and the rotary cylinder (2) is inserted into the jack; the transition cover (13) and the discharge hopper (12) are both arranged on the housing (11), the transition cover (13) is arranged on one side of the jack, and the transition cover (13) and the housing (11) form an annular transition groove (16); the discharging hopper (12) is fixed at the bottom of the housing (11).
4. A cooling kiln according to claim 3, characterized in that annular baffles (24) are arranged at both ends of the rotary drum (2), the annular baffles (24) are positioned in the transition groove (16), and the annular baffles (24) form a tortuous channel inside the transition groove (16); the transition cover (13) is characterized in that an annular connecting plate (14) is arranged on the outer side of the transition cover (13), the connecting plate (14) is obliquely installed, a plurality of hanging plates (15) are arranged on the connecting plate (14), the hanging plates (15) are annularly arranged, one end of each hanging plate (15) is in contact with the rotary cylinder (2), and adjacent hanging plates (15) are movably overlapped.
5. A cooling kiln according to claim 1, characterized in that there are two of said rotary seats, which are mounted at each end of the rotary drum (2); the rotating seat comprises a supporting wheel (33), a limiting wheel (34) and a base (32); the supporting wheels (33) are symmetrically fixed at two ends of the base (32), and the limiting wheels (34) are symmetrically fixed at two sides of the base (32); the outer side surface of the outer cylinder (21) of the rotary cylinder (2) is provided with a rotating ring (35), and the rotating ring (35) is pressed on the two supporting wheels (33) and is positioned between the two limiting wheels (34); the rotating device comprises a driven gear (36), a driving gear (37), a speed reducer (38) and a motor (39); the driven gear (36) is fixed on the outer side of the outer cylinder (21), the driving gear (37) is fixed on the bearing seat through the driving shaft and meshed with the driven gear (36), the driving shaft is connected with the speed reducer (38) through the coupler, and the speed reducer (38) is connected with the motor (39); the cooling device is a cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050398.8A CN108050849B (en) | 2018-01-18 | 2018-01-18 | Cooling kiln |
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| CN201810050398.8A CN108050849B (en) | 2018-01-18 | 2018-01-18 | Cooling kiln |
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| CN108050849A CN108050849A (en) | 2018-05-18 |
| CN108050849B true CN108050849B (en) | 2023-06-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110514018B (en) * | 2019-08-30 | 2020-11-24 | 吉林建筑科技学院 | Smelting furnace heat exchange cooling device and operation method |
| CN114214503A (en) * | 2021-11-30 | 2022-03-22 | 中冶南方都市环保工程技术股份有限公司 | Cooling device |
| CN115354137B (en) * | 2022-08-09 | 2024-03-12 | 唐山润源轧辊股份有限公司 | Low-temperature heat treatment kiln for roller heat treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2266698Y (en) * | 1996-07-18 | 1997-11-05 | 安庆林 | Cooling machine for slag |
| CN2711538Y (en) * | 2004-04-21 | 2005-07-20 | 姜政华 | Spiral blade roller slag cooling machine |
| CN202032595U (en) * | 2011-04-22 | 2011-11-09 | 江油黄龙破碎输送设备制造有限公司 | Cold tube type boiler slag cooling device in jacket |
| CN102435075B (en) * | 2011-12-29 | 2014-07-23 | 李世杰 | Cooling device for direct reduction iron |
| CN207816008U (en) * | 2018-01-18 | 2018-09-04 | 江苏三井环保股份有限公司 | Cooling kiln |
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