CN213515000U - Rotary cooler capable of performing dry cooling - Google Patents

Abstract

The utility model discloses a can carry out dry process refrigerated rotary cooler, this rotary cooler rotary joint (1), feed mechanism (2), outer water shell (3), the kiln body (8), discharge mechanism (9), a plurality of wet return (15), a plurality of first inlet tube (17), a plurality of collecting ring pipe (18), a plurality of second inlet tube (19), tubulation seal box (22), inlet center tube (23). The utility model provides a rotary cooler suitable for dry quenching. The rotary cooler enables the semicoke and the cooling medium to indirectly exchange heat, and compared with the traditional tubular rotary cooling equipment with the same specification, the heat exchange area is increased by 10-30%, and the heat exchange effect is greatly improved. The utility model discloses a rotary cooler outside adopts the cooling shell, makes rotary cooler's kiln body temperature low, extension equipment life.

Description

Rotary cooler capable of performing dry cooling

Technical Field

The utility model belongs to the technical field of cooling arrangement, concretely relates to can carry out dry process refrigerated rotary cooler.

Background

China has abundant coal resources, comprehensively utilizes coal according to quality, improves energy utilization efficiency, and has important significance for promoting energy conservation and emission reduction and changing economic development modes. The low-temperature pyrolysis (dry distillation) of coal is analyzed from the aspects of raw materials, products and energy conservation, and is an excellent mode for comprehensive utilization.

With the development of domestic low-temperature pyrolysis (dry distillation) technology, the proportion of small-particle coal (with the particle size of less than 30 mm) of raw material coal reaches more than 70%, so the main direction of the development of the coal low-temperature pyrolysis technology is small-particle coal pyrolysis (dry distillation). The technology for treating small-particle coal, such as an external heating type rotary furnace, an internal heating type vertical furnace, solid heat carrier pulverized coal low-temperature pyrolysis and the like, is more than 10, and the technology applied in large scale mainly comprises the internal heating type vertical furnace for preparing semicoke, and the subsequent cooling of the semicoke by adopting water quenching or water spraying quenching can generate a large amount of wastewater and inorganized emission of polluted steam to cause environmental pollution; the produced semicoke contains sewage and has poor quality. In addition, the process technology for preparing the semicoke by the external heating type rotary furnace which is being popularized and applied generally adopts an indirect water-cooling rotary cooling furnace to cool the semicoke, the produced semicoke does not contain water, the quality of the semicoke is improved, the environment is protected, and the process technology is a novel semicoke cooling mode. However, the rotary cooling furnace generally adopts a water shower shell or bath water form, so that the heat exchange area is limited, and the cooling efficiency is low.

In order to solve the semi-coke cooling problem, CN 109097073 a discloses a rotary cooling furnace for performing dry cooling treatment on high-temperature semi-coke (semi-coke) in the semi-coke production process. The rotary cooling furnace is internally provided with a tube type heat exchange system, so that enough heat exchange area is ensured for cooling the semi-coke, and the incandescent semi-coke is in indirect contact with a cooling medium, so that the semi-coke contains no water basically. However, the discharging mechanism of the device adopts a fish scale sealing structure, the sealing fit is not easy to adjust, the sealing effect is poor, and the field environment is not good; only a water spraying cooling jacket is arranged outside the high-temperature furnace body, so that the whole furnace body is relatively poor in cooling, long-term operation is not facilitated, and the operation cost is increased by a water spraying system; in order to ensure that the number of the arranged pipes in the enough heat exchange area is large, and the maintenance is not easy; the tube nest adopts the elbow to connect water inlet and return pipeline, and water inlet and return pipeline can cause the drawing crack welding seam because of expend with heat and contract with cold degree inconsistent, has the trouble hidden danger.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems existing in the prior art, the utility model provides a can carry out dry process refrigerated rotary cooler. The to-be-solved technical problem of the utility model is realized through following technical scheme:

a rotary cooler capable of dry cooling, comprising: a rotary joint, a feeding mechanism, an outer water shell, a kiln body, a discharging mechanism, a plurality of water return pipes, a plurality of first water inlet pipes, a plurality of water collecting ring pipes, a plurality of second water inlet pipes, a tube array sealing box and a water inlet central pipe, wherein,

the rotary joint, the feeding mechanism, the kiln body and the discharging mechanism are sequentially arranged along the central axis of the kiln body;

the water return pipe, the first water inlet pipe, the water collecting ring pipe, the second water inlet pipe, the tube array sealing box and the water inlet central pipe are all arranged in a cavity of the kiln body;

the water outlet end of the water inlet pipeline of the rotary joint is connected with a water inlet central pipe arranged in the kiln body;

the plurality of second water inlet pipes are arranged around the inner wall of the kiln body at intervals, and are arranged in an N-layer mode, wherein N is more than or equal to 1;

the water inlet end of the first water inlet pipe is communicated with the water inlet channel of the water inlet central pipe, the water outlet end of the first water inlet pipe is correspondingly connected with the water collecting ring pipe, the water collecting ring pipe is correspondingly connected with the water inlet end of the second water inlet pipe, and the water outlet end of the second water inlet pipe is connected with the tube array sealing box;

the outer water shell is arranged around the outer wall of the kiln body, a sealed cavity structure is formed between the outer water shell and the outer wall of the kiln body, the water outlet of the tube array sealing box is communicated with the cavity structure between the outer water shell and the kiln body, the cavity structure between the outer water shell and the kiln body is communicated with the water inlet end of the water return pipe, and the water outlet end of the water return pipe is communicated with the water return pipeline of the rotary joint.

In an embodiment of the present invention, the feeding mechanism and the kiln body are sealed by a mechanical sealing structure.

In one embodiment of the present invention, the mechanical sealing structure comprises a cylinder, a support, a connector, a sealing filler, a stationary ring support plate, a lubricating joint, a lubricating groove, a moving ring, a stationary ring, and a press-filling cover, wherein,

the movable ring is connected with the front end plate of the feed end of the kiln body, the static ring is connected with the static ring supporting plate, the static ring supporting plate is connected with the support through a supporting rod, the air cylinder is fixed on the support, the connector is connected with the telescopic end of the air cylinder, and the sealing filler and the pressure filling cover are arranged between the static ring supporting plate and the support.

In one embodiment of the utility model, the feeding mechanism comprises a feeding box, a shell with a cavity structure, a feeding spiral plate and a water inlet ring pipe, the shell comprises a water return shell with a hollow interlayer and a water inlet shell with a hollow interlayer, wherein,

the feeding box sets up the feed end of the kiln body, the casing with kiln body fixed connection, the one end setting of return water casing is in the feeding box, the other end of return water casing extends to in the kiln body, it with keep away from to intake the casing the one end of return water casing is connected, just the center tube of intaking passes the cavity structure of casing, the feeding spiral plate is installed on the center tube of intaking, the center tube of intaking passes through the ring pipe of intaking with the hollow intermediate layer intercommunication of the casing of intaking, the end of intaking of first inlet tube with the hollow intermediate layer intercommunication of the casing of intaking, the wet return with the hollow intermediate layer intercommunication of return water casing, the hollow intermediate layer of return water casing still with rotary joint's return water pipeline intercommunication.

In one embodiment of the invention, the rotary cooler further comprises a ring gear and a plurality of rolling rings, wherein,

the gear ring and the rolling ring are sleeved on the outer wall of the kiln body.

In one embodiment of the present invention, the rotary cooler further comprises a plurality of backing plates, a plurality of backing plate studs, and a plurality of sealing plates, wherein,

a plurality of the backing plate encircles the kiln body sets up, and every the backing plate passes through a plurality of the backing plate grudging post with kiln body coupling, and encircle kiln body setting the backing plate passes through the closing plate is connected, roll the circle and/or the ring gear corresponds the cover and establishes encircle kiln body setting on the backing plate.

In one embodiment of the utility model, the discharging mechanism comprises a discharging cone, a shell ring and a plurality of discharging spiral plates, wherein,

the discharging cone cylinder is connected with the discharging end of the kiln body, the shell ring is connected with the discharging end of the discharging cone cylinder, and the discharging spiral plates are installed on the inner walls of the cavity of the discharging cone cylinder and the shell ring at intervals.

In one embodiment of the present invention, the rotary cooler further comprises a drain valve, and the drain valve is installed on the outer water casing.

In one embodiment of the present invention, the rotary cooler further comprises an exhaust valve, the exhaust valve being mounted on the outer water jacket.

In an embodiment of the present invention, the rotary cooler further includes an explosion venting device installed at the discharge end of the discharge mechanism.

The utility model has the advantages that:

the utility model provides a rotary cooler suitable for dry quenching. The rotary cooler enables the semicoke and the cooling medium to indirectly exchange heat, and compared with the traditional tubular rotary cooling equipment with the same specification, the heat exchange area is increased by 10-30%, and the heat exchange effect is greatly improved.

The utility model discloses a rotary cooler outside adopts the cooling shell, makes rotary cooler's kiln body temperature low, extension equipment life.

The utility model discloses a rotary cooler's sealed form adopts reliable mechanical seal, and is sealed effectual, and the operation in-process does not have the air to let out, moves safelyr.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural diagram of a rotary cooler capable of dry cooling according to an embodiment of the present invention;

fig. 2 is a schematic partial structural diagram of a rotary cooler capable of dry cooling according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mechanical sealing structure provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram of a partial structure of another rotary cooler capable of dry cooling according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a supporting structure according to an embodiment of the present invention.

Description of reference numerals:

a rotary joint-1; a feeding mechanism-2; outer water shell-3; a first rolling ring-4; a gear ring cover-5; ring gear-6; a second rolling ring-7; a kiln body-8; a discharging mechanism-9; explosion venting device-10; a riding wheel mechanism-11; a transmission mechanism-12; a riding wheel blocking mechanism-13; a feed chute-14; a water return pipe-15; central tube backwater layer-16; a first water inlet pipe-17; a water collecting ring pipe-18; a second water inlet pipe-19; a material guide plate-20; a discharge spiral plate-21; a tube nest seal box-22; a central water inlet pipe-23; a drain valve-24; an exhaust valve-25; a backing plate-26; backing plate studs-27; a sealing plate-28; a hose-29; a cylinder-30; bracket-31; a connector-32; sealing filler-33; a stationary ring support plate-34; -35, a lubricated joint; a lubrication groove-36; a rotating ring-37; a stationary ring-38; a press-filling cover-39; a sealing structure-40; a feed box-41; a water return shell-42; feed screw plate-43; a water inlet ring pipe-44; water inlet shell-45; a discharge cone-46; shell ring-47.

Detailed Description

The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.

Example one

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a rotary cooler capable of dry cooling according to an embodiment of the present invention, and fig. 2 is a schematic partial structural diagram of a rotary cooler capable of dry cooling according to an embodiment of the present invention. The embodiment of the utility model provides a rotary cooler capable of dry cooling, which comprises a rotary joint 1, a feeding mechanism 2, an outer water shell 3, a kiln body 8, a discharging mechanism 9, a plurality of water return pipes 15, a plurality of first water inlet pipes 17, a plurality of water collecting ring pipes 18, a plurality of second water inlet pipes 19, a row pipe seal box 22 and a water inlet central pipe 23, wherein the rotary joint 1, the feeding mechanism 2, the kiln body 8 and the discharging mechanism 9 are sequentially arranged along the central axis of the kiln body 8, the water return pipes 15, the first water inlet pipes 17, the water collecting ring pipes 18, the second water inlet pipes 19, the row pipe seal box 22 and the water inlet central pipe 23 are all arranged in the cavity of the kiln body 8, the water outlet end of the water inlet pipeline of the rotary joint 1 is connected with the water inlet central pipe 23 arranged in the kiln body 8, the plurality of second water inlet pipes 19 are arranged at intervals around the inner wall of the kiln body 8, and the plurality of second water inlet pipes 19 are arranged, n is more than or equal to 1, the water inlet end of the first water inlet pipe 17 is communicated with the water inlet channel of the water inlet central pipe 23, the water outlet end of the first water inlet pipe 17 is correspondingly connected with the water collecting ring pipe 18, the water collecting ring pipe 18 is correspondingly connected with the water inlet end of the second water inlet pipe 19, the water outlet end of the second water inlet pipe 19 is connected with the tube array sealing box 22, the outer water shell 3 is arranged around the outer wall of the kiln body 8, the outer water shell 3 and the outer wall of the kiln body 8 form a sealed cavity structure, the water outlet of the tube array sealing box 22 is communicated with the cavity structure between the outer water shell 3 and the kiln body 8, the cavity structure between the outer water shell 3 and the kiln body 8 is communicated with the water inlet end of the water return pipe 15, and the.

Specifically, the rotary joint 1 is used for connecting a cooling water supply device, cooling water is input into the water inlet central tube 23 through the water outlet end of the water inlet pipeline of the rotary joint 1, and the rotary joint 1 is supported by the support frame. The feeding mechanism 2 is used for feeding materials needing cooling, such as high-temperature semi-coke, into the cavity of the kiln body 8, for example, the high-temperature semi-coke can be quickly fed into the cavity of the kiln body 8 through the feeding chute 14, and the discharging mechanism 9 is used for discharging semi-coke obtained after cooling from a discharging hole of the discharging mechanism 9. This embodiment is for better cooling the blue charcoal of high temperature, the inner wall interval that encircles the 8 cavitys of kiln body has set up a plurality of second inlet tubes 19, form the tubulation form, and can arrange the multilayer tubulation according to actual demand, for example two-layer, be close to the inner wall of the 8 cavitys of kiln body and arrange round second inlet tube 19 promptly, arrange round second inlet tube 19 again in this ring second inlet tube 19's inboard, just so form two-layer tubulation from this, second inlet tube 19 is on a parallel with the central axis of the kiln body 8, it can extend to the discharge end from the feed end of the kiln body 8, second inlet tube 19 is heat-resisting, wear-resisting material. The first water inlet pipe 17 is arranged perpendicular to the central axis of the kiln body 8. In this embodiment, cooling water is input into a first water inlet pipe 17 communicated with a water inlet central pipe 23 through a water inlet central pipe 23, then the cooling water is input into a second water inlet pipe 19 through a water collecting ring pipe 18 through the first water inlet pipe 17, then the cooling water in the second water inlet pipe 19 enters into a sealed cavity structure formed by an outer water shell 3 and the outer wall of a kiln body 8 through a tube array sealing box 22, wherein the number of the first water inlet pipes 17 and the number of the second water inlet pipes 19 can be set according to requirements, the number of layers of the water collecting ring pipe 18 and tube arrays is the same, the number of the first water inlet pipes 17 is only required to ensure that the cooling water can be respectively sent into different tube arrays, for example, the number of the first water inlet pipes 17 is 4, the number of the tube arrays is two, 2 of the tube arrays are communicated with the water collecting ring pipe 18 corresponding to one of the tube arrays, and the other two are communicated with the water, the tube sealing box 22 can be an annular sealing box body, the tube sealing box 22 needs to be in a sealing form, the sealing of the water inlet second water inlet tube 19 can be guaranteed, the expansion and contraction of the second water inlet tube 19 are met, the tube sealing box 22 also has the function of a material baffle plate, a material layer can be stacked to a certain height, and the semicoke and the second water inlet tube 19 are in full contact. A material guide plate 20 can be arranged in the annular tube sealing box 22 and used for guiding the semicoke in the kiln body 8 into the discharging mechanism 9. The rotary cooler of this embodiment can make kiln wall and the interior semicoke of kiln 8 fully contact the heat transfer to make semicoke and coolant indirect heat transfer, compare the traditional tubulation rotary cooling equipment with the specification, heat transfer area increases 10% ~ 30%, and the heat transfer effect improves by a wide margin.

The water inlet end of the water return pipe 15 of this embodiment communicates with the cavity structure between the outer water shell 3 and the kiln body 8, and the water outlet end of the water return pipe 15 communicates with the water return pipeline of the rotary joint 1, so that the cooling water in the cavity structure between the outer water shell 3 and the kiln body 8 can flow back to the water return pipeline of the rotary joint 1 through the water return pipe 15, and then be discharged through the water return pipeline of the rotary joint 1, for example, a central pipe water return layer 16 can be arranged on the outer wall of the water inlet central pipe 23, then the water outlet end of the water return pipe 15 communicates with the central pipe water return layer 16, and the central pipe water return layer 16 communicates with the water return pipeline of the rotary joint 1, so that the cooling water is discharged, and the.

Further, the present embodiment may install a drain valve 24 on the outer water casing 3 for draining the cooling water in the kiln body 8 during the parking maintenance.

Further, the present embodiment may install the exhaust valve 25 on the outer water casing 3 so as to discharge the non-condensable gas in the cooling water at any time.

The second inlet tube 19 of this embodiment can support through fixed several rows of pipe racks that set up on the 8 cavitys of kiln body, and every row of pipe racks can be installed at the 8 inner walls of kiln body for staggered arrangement's form, and pipe rack and 19 loose joints of second inlet tube, and second inlet tube 19 are heat-resisting, wear-resisting material, and this embodiment does not do specific limitation to the form of pipe rack, as long as it can play the effect that supports second inlet tube 19.

The kiln body 8 of this embodiment is the main part of rotary cooler, be provided with a plurality of rolling rings according to the equal bending moment principle on the kiln body 8, for example, the rolling ring quantity is two, be first rolling ring 4 and second rolling ring 7 respectively, first rolling ring 4 and second rolling ring 7 overlap respectively and establish and install on the kiln body 8, first rolling ring 4 and second rolling ring 7 can hold up through riding wheel mechanism 11 and fender riding wheel mechanism 13 respectively, support kiln body 8 and operating weight jointly, still overlap and establish on kiln body 8 and install ring gear 6 between first rolling ring 4 and second rolling ring 7, ring gear 6 is through the ring gear intermeshing with drive mechanism 12, thereby drive kiln body 8 and rotate, be provided with ring gear cover 5 on ring gear 6, the outside of the ring gear on drive mechanism 12 also can set up the ring gear cover, prevent that machinery from hindering the people, guarantee to lubricate cleanly.

In the embodiment, a mechanical sealing structure is adopted for sealing between the feeding mechanism 2 and the kiln body 8.

Further, referring to fig. 3, the mechanical sealing structure includes a cylinder 30, a bracket 31, a connector 32, a sealing packing 33, a stationary ring support plate 34, a lubricating joint 35, a lubricating groove 36, a moving ring 37, a stationary ring 38, and a gland 39, wherein the moving ring 37 is connected to a front end plate of a feeding end of the kiln body 8, the stationary ring 38 is connected to the stationary ring support plate 34, the stationary ring support plate 34 is connected to the bracket 31 through a support rod, the cylinder 30 is fixed to the bracket 31, the connector 32 is connected to a telescopic end of the cylinder 30, and the sealing packing 33 and the gland 39 having a compensation function are installed between the stationary ring support plate 34 and the bracket 31 to absorb an elongation generated by thermal expansion of the kiln body 8, after the kiln body 8 is stably elongated by heat, the cylinder 30 installed on the bracket 31 generates a thrust force in a direction opposite to the stationary ring 38 through a compressed gas of the hose 29, so that the stationary ring 38 and the moving ring 37 are always attached, the connector 32 connected with the telescopic end of the cylinder 30 keeps point contact with the static ring all the time, and uneven stress caused by the jumping of the kiln body 8 is avoided. And the lubricating joint 35 arranged between the static ring support plate 34 and the static ring 38 can supply lubricating grease to the lubricating groove 36 arranged on the sealing surface, so that the lubricating grease automatically supplied by a lubricating system is ensured to form good lubrication and sealing between the two sealing surfaces of the static ring 38 and the dynamic ring 37, and the safety and the reliability of the sealing are ensured. Guide wheels may be provided under the stationary ring support plate 34 for supporting and guiding the displacement generated by the expansion of the stationary ring 38.

In one embodiment, referring to fig. 4, the feeding mechanism 2 comprises a feeding box 41, a housing with a hollow structure, a feeding spiral plate 43, and a feeding circular pipe 44, wherein the housing comprises a feeding housing 45 with a hollow interlayer and a returning housing 42 with a hollow interlayer, the feeding box 41 is arranged at the feeding end of the kiln body 8, the housing is fixedly connected with the kiln body 8, one end of the returning housing 42 is arranged in the feeding box 41, the other end of the returning housing 42 extends into the kiln body 8, the feeding housing 45 is connected with one end of the returning housing 42 far away from the feeding box 41, the feeding central pipe 23 passes through the hollow structure of the housing, the feeding spiral plate 43 is arranged on the feeding central pipe 23, the feeding central pipe 23 is communicated with the hollow interlayer of the feeding housing 45 through the feeding circular pipe 44, the feeding end of the first water inlet pipe 17 is communicated with the hollow interlayer of the feeding housing 45, the returning pipe 15 is communicated with the hollow interlayer of the returning housing 42, the hollow interlayer of the water return shell 42 is also communicated with the water return pipeline of the rotary joint 1.

Specifically, the feeding box 41 is fixed and enters the feeding box 41 through the feeding chute 14, the feeding box 41 is used for storing the high-temperature semi coke for a short time, the high temperature semi-coke in the feed box 41 may be fed onto a feed screw plate 43, the feed screw plate 43 being a feed plate in the form of a screw, which can rotate along with the kiln body 8, therefore, when the kiln body 8 rotates, the feeding spiral plate 43 can lead the high-temperature semi coke to enter the kiln body 8 in a spiral form, in order to allow the high-temperature semi coke in the feeding box 41 to be smoothly fed onto the feeding spiral plate 43, a material copying plate can be arranged in the feeding box 41, the material copying plate can rotate along with the kiln body 8, then, the high temperature semi coke in the feeding box 41 is fed onto the feeding spiral plate 43 through a shoveling plate, which is, for example, in a spoon shape, but the form of the shoveling plate is not limited in this embodiment as long as the high temperature semi coke in the feeding box 41 can be fed onto the feeding spiral plate 43. Therefore, the feeding mechanism 2 of the present embodiment does not need to separately provide a transmission device for rotating the feeding spiral plate 43, and the footprint and the transmission device of the rotary cooler can be reduced.

The feeding spiral plate 43 also passes through a cavity structure surrounded by the backwater shell 42 and the water inlet shell 45, the inlet water of the rotary joint 1 is introduced into the water inlet central pipe 23, the water inlet central pipe 2 can be communicated with the water inlet ring pipe 44 through a pipeline, the water inlet ring pipe 44 is communicated with the hollow interlayer of the water inlet shell 45 through other pipelines, the hollow interlayer, namely the water inlet shell 45 is provided with a cavity capable of storing cooling water, the hollow interlayer of the water inlet shell 45 is communicated with the first water inlet pipe 17, therefore, the cooling water in the water inlet central pipe 2 can enter each second water inlet pipe 19 through the water inlet ring pipe 44 and the water collecting ring pipe 18, the cooling water in the second water inlet pipes 19 is used for heat exchange with semicoke, the water after heat exchange finally returns to the hollow interlayer of the backwater shell 42 through the outer water shell 3 and the backwater pipe 15, and then returns to the rotary joint 1 through the backwater shell 42 and, at this time, since water is returned through the water return shell layer 42, the center pipe water return layer 16 need not be provided in the center water inlet pipe 2. The feeding screw, the water return shell layer 42 and the water inlet shell 45 are fixed on the front end plate of the kiln body 8, and the feeding box 41 and the kiln body 8 are sealed by adopting a mechanical sealing structure. The sealing between the rotary joint 1 and the feed box 41 needs to be performed by the sealing structure 40, and the form of the sealing structure 40 is not particularly limited in the present embodiment, and is sealed by, for example, packing.

In addition, the rotary cooler of this embodiment further includes an explosion venting device 10, which is installed at the discharging end of the discharging mechanism 9 to prevent danger from occurring, and the explosion venting device 10 may adopt an existing device suitable for the rotary cooler, which is not specifically limited in this embodiment.

Further, the discharging mechanism 9 comprises a discharging conical cylinder 46, a cylinder section 47 and a plurality of discharging spiral plates 21, wherein the discharging conical cylinder 46 is connected with the discharging end of the kiln body 8, the cylinder section 47 is connected with the discharging end of the discharging conical cylinder 46, and the plurality of discharging spiral plates 21 are installed on the inner wall of the cavity of the discharging conical cylinder 46 and the inner wall of the cavity of the cylinder section 47 at intervals.

The ejection of compact awl section of thick bamboo 46 of this embodiment is the toper structure, and the cross sectional area of the ejection of compact awl section of thick bamboo 46 that is close to kiln body 8 one end is greater than the cross sectional area of the ejection of compact awl section of thick bamboo 46 of keeping away from kiln body 8 one end, shell ring 47 is the cylinder structure, ejection of compact spiral plate 21 is the play flitch of a screw form, preferably the play flitch of reducing screw form, ejection of compact spiral plate 21 can rotate along with kiln body 8 rotates together to can make the even continuous derivation kiln body 8 of semicoke, get into next process by discharge mechanism 9 discharge gate.

In addition, referring to fig. 5, the rotary cooler of the present embodiment may further include a plurality of backing plates 26, a plurality of backing plate studs 27, and a plurality of sealing plates 28, wherein the plurality of backing plates 26 are disposed around the kiln body 8, each backing plate 26 is connected to the kiln body 8 through the plurality of backing plate studs 27, the backing plates 26 disposed around the kiln body 8 are connected through the sealing plates 28, and the rolling rings and/or the gear rings are correspondingly sleeved on the backing plates 26 disposed around the kiln body 8.

Specifically, for the rolling ring and the gear ring 6, in order to ensure the supporting strength of the rolling ring and the gear ring 6, a plurality of rings of supporting structures may be provided according to the number of the rolling ring and the gear ring 6, each ring of supporting structure is composed of the backing plates 26 arranged around the outer wall of the kiln body 8, and each backing plate 26 may be connected with the kiln body 8 through, for example, two backing plate studs 27, such that the rolling ring is correspondingly sleeved on one ring of backing plates 26, the gear ring 6 is sleeved on one ring 26 through bolts, so as to ensure the supporting strength of the rolling ring and the gear ring 6, and in addition, because the outer wall of the kiln body 8 is provided with the outer water shell 3, in order to ensure the sealing of the outer water shell 3, in this embodiment, one ring of backing plates 26 is correspondingly connected through the sealing plate 28, and the outer water shell 3 is divided into a plurality of shells, one shell is hermetically connected on both sides of the sealing plate 28, thereby forming a sealed, thus, the supporting strength of the rolling ring and the gear ring 6 is ensured, and the passing of cooling water is not influenced.

Furthermore, a mechanical sealing structure, such as a dynamic and static ring structure, is used for sealing between the discharging box of the discharging mechanism 9 and the kiln body 8.

The utility model discloses a rotary cooler adopts the dual refrigerated mode of inside cooling tubulation and shell cooling, has increased heat transfer area, has improved cooling efficiency.

The utility model discloses a rotary cooler all is equipped with reliable mechanical seal at the kiln head of the equipment kiln body, kiln tail, compares with traditional cooling device's fish scale seal structure, has improved sealing performance, prevents that the air from leaking into, has guaranteed the security of equipment operation.

The shell of the kiln body is provided with the cooling shell layer, so that the temperature of the shell of the kiln body is low, on one hand, the service life of the rotary cooler is not influenced by the high temperature of the main body of the rotary cooler, and the long-term stable operation of the rotary cooler is ensured; on the other hand, the outer layer of the rotary cooler can not generate heat radiation, and the field environment is improved.

The utility model discloses a cooling shell layer that the shell of the kiln body was add can reduce the number of turns of the internal cooling tubulation of kiln, makes the rotary cooler have sufficient maintenance operating space.

The utility model discloses a water inlet pipe nest is on the pipe support, can freely stretch out and draw back when expend with heat and contract with cold, and water inlet, wet return can not cause the elbow welding seam to draw and split because of expend with heat and contract with cold degree inconsistent, arouses the rotary cooler trouble.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic data point described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. A rotary cooler capable of dry cooling, comprising: a rotary joint (1), a feeding mechanism (2), an outer water shell (3), a kiln body (8), a discharging mechanism (9), a plurality of water return pipes (15), a plurality of first water inlet pipes (17), a plurality of water collecting ring pipes (18), a plurality of second water inlet pipes (19), a tube array sealing box (22) and a water inlet central pipe (23), wherein,

the rotary joint (1), the feeding mechanism (2), the kiln body (8) and the discharging mechanism (9) are sequentially arranged along the central axis of the kiln body (8);

the water return pipe (15), the first water inlet pipe (17), the water collecting ring pipe (18), the second water inlet pipe (19), the tube array sealing box (22) and the water inlet central pipe (23) are all arranged in a cavity of the kiln body (8);

the water outlet end of the water inlet pipeline of the rotary joint (1) is connected with a water inlet central pipe (23) arranged in the kiln body (8);

the plurality of second water inlet pipes (19) are arranged around the inner wall of the kiln body (8) at intervals, and the plurality of second water inlet pipes (19) are arranged in an N-layer mode, wherein N is more than or equal to 1;

the water inlet end of the first water inlet pipe (17) is communicated with the water inlet channel of the water inlet central pipe (23), the water outlet end of the first water inlet pipe (17) is correspondingly connected with the water collecting ring pipe (18), the water collecting ring pipe (18) is correspondingly connected with the water inlet end of the second water inlet pipe (19), and the water outlet end of the second water inlet pipe (19) is connected with the tube array sealing box (22);

the kiln is characterized in that the outer water shell (3) surrounds the outer wall of the kiln body (8), the outer water shell (3) and the outer wall of the kiln body (8) form a sealed cavity structure, water outlets of the tube sealing boxes (22) are communicated with the outer water shell (3) and the cavity structure between the kiln body (8), the outer water shell (3) and the cavity structure between the kiln body (8) are communicated with a water inlet end of the water return pipe (15), and a water outlet end of the water return pipe (15) is communicated with a water return pipeline of the rotary joint (1).

2. A rotary cooler according to claim 1, characterized in that the feed means (2) and the kiln body (8) are sealed by mechanical sealing.

3. The rotary cooler of claim 2, wherein the mechanical seal structure comprises a cylinder (30), a bracket (31), a connector (32), a seal packing (33), a stationary ring support plate (34), a lubrication joint (35), a lubrication groove (36), a moving ring (37), a stationary ring (38), and a gland packing (39),

the movable ring (37) is connected with the front end plate of the feeding end of the kiln body (8), the stationary ring (38) is connected with the stationary ring supporting plate (34), the stationary ring supporting plate (34) is connected with the support (31) through a supporting rod, the cylinder (30) is fixed on the support (31), the connector (32) is connected with the telescopic end of the cylinder (30), and the stationary ring supporting plate (34) is provided with the sealing filler (33) and the press filling cover (39) between the support (31).

4. The rotary cooler according to claim 1, characterized in that the feed means (2) comprises a feed box (41), a housing with a cavity structure, a feed screw plate (43), a water inlet loop (44), which housing comprises a water return housing (42) with a hollow sandwich, a water inlet housing (45) with a hollow sandwich, wherein,

the feeding box (41) is arranged at the feeding end of the kiln body (8), the shell is fixedly connected with the kiln body (8), one end of the backwater shell (42) is arranged in the feeding box (41), the other end of the backwater shell (42) extends into the kiln body (8), the water inlet shell (45) is connected with one end of the backwater shell (42) far away from the feeding box (41), the water inlet central pipe (23) penetrates through a cavity structure of the shell, the feeding spiral plate (43) is arranged on the water inlet central pipe (23), the water inlet central pipe (23) is communicated with a hollow interlayer of the water inlet shell (45) through the water inlet annular pipe (44), the water inlet end of the first water inlet pipe (17) is communicated with the hollow interlayer of the water inlet shell (45), and the backwater pipe (15) is communicated with the hollow interlayer of the backwater shell (42), the hollow interlayer of the water return shell (42) is also communicated with a water return pipeline of the rotary joint (1).

5. The rotary cooler according to claim 1, further comprising a ring gear (6) and a plurality of rolling rings, wherein,

the gear ring (6) and the rolling ring are sleeved on the outer wall of the kiln body (8).

6. The rotary cooler of claim 5, further comprising a plurality of shim plates (26), shim plate studs (27), and seal plates (28), wherein,

a plurality of backing plate (26) encircle the kiln body (8) sets up, and every backing plate (26) are through a plurality of backing plate studs (27) with the kiln body (8) is connected, and encircles kiln body (8) sets up backing plate (26) pass through closing plate (28) are connected, roll the circle and/or ring gear corresponds the cover and establishes to encircle kiln body (8) sets up on backing plate (26).

7. The rotary cooler according to claim 1, characterized in that the discharge mechanism (9) comprises a discharge cone (46), a shell ring (47) and several discharge screw plates (21), wherein,

the discharging cone cylinder (46) is connected with the discharging end of the kiln body (8), the cylinder section (47) is connected with the discharging end of the discharging cone cylinder (46), and the discharging spiral plates (21) are installed on the inner walls of the cavities of the discharging cone cylinder (46) and the cylinder section (47) at intervals.

8. A rotary cooler according to claim 1, further comprising a drain valve (24), the drain valve (24) being mounted on the outer water shell (3).

9. The rotary cooler of claim 1, further comprising an exhaust valve (25), the exhaust valve (25) being mounted on the outer water shell (3).

10. The rotary cooler according to claim 1, further comprising an explosion venting device (10) mounted at the discharge end of the discharge mechanism (9).

Images