CN111154973A

CN111154973A - Integrated wheel belt and ribbed wall surface spraying rotary drum cooling machine comprising same

Info

Publication number: CN111154973A
Application number: CN202010067713.5A
Authority: CN
Inventors: 陈作炳; 程寅; 谭虹; 陈昌; 谢强
Original assignee: Wuhan Mofeng Technology Development Co Ltd; Wuhan University of Technology WUT
Current assignee: Wuhan Mofeng Technology Development Co Ltd; Wuhan University of Technology WUT
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-05-15
Anticipated expiration: 2040-01-20
Also published as: CN111154973B

Abstract

The invention discloses an integrated wheel belt and a ribbed wall surface spraying rotary drum cooling machine comprising the same, wherein the integrated wheel belt comprises a wheel belt and a force transmission ring, the ribbed wall surface spraying rotary drum cooling machine comprises an integrated wheel belt, a feeding unit, a rotary drum unit and a discharging unit, the integrated wheel belt is arranged between an inner drum and an outer drum, an integrated movable lining drum is arranged in a double-layer drum of a front-end drum, and fins are arranged between the inner drum and the outer drum of the double-layer drum and on the outer wall surface of a quick cooling section drum. The invention improves the heat exchange efficiency, solves the problems existing in the original system, further reduces the volume and the operation cost of the equipment, improves the working efficiency and the reliability of the equipment and prolongs the service life of the equipment.

Description

Integrated wheel belt and ribbed wall surface spraying rotary drum cooling machine comprising same

Technical Field

The invention relates to the technical field of metallurgical mining industry, in particular to an integrated wheel belt for cooling reduced iron pellets and sintered pellets and a ribbed wall surface spray rotary drum cooling machine comprising the same.

Background

Cooling is one of the important steps in the process of calcining reduced iron. The temperature of the directly reduced iron pellets at the outlet of the rotary hearth furnace or the rotary kiln is usually up to 1100 ℃, the pellets enter the cylinder body of the cooler through the chute, and materials move from the feeding port to the discharging port in the rotation process of the cylinder body with the inclination angle.

Chinese patent No. 201010029029.4 discloses a "reduced iron high-efficiency spray rotary drum type cooler". The technical scheme of the patent is as follows: 1) the outer wall surface of the cylinder is covered by spray to improve the cooling efficiency by adopting a spray cooling mode; 2) the double-layer cylinder body is welded by using a connecting block, and the inner cylinder body is axially positioned by using the matching of a limiting block, a driving block, an arc-shaped baffle plate and the like; 3) a backing plate is arranged between the wheel belt and the cylinder body. However, this device has the following disadvantages:

(1) the connection mode of the double-layer cylinder is complex, the connection part is seriously abraded and the reliability is poor due to long-time work.

(2) The phenomenon of seizure or slipping easily occurs between the wheel belt and the base plate at the supporting position, rolling displacement is abnormal, abnormal friction between the base plate and the wheel belt is caused, and the base plate needs to be maintained and replaced regularly.

(3) The inner surface of the front-end inner cylinder body is provided with a plurality of lining plates which are connected or welded by bolts, so that the reliability is low, the lining plates are easy to fall off, the heat transfer efficiency is low, and the maintenance workload is large.

(4) The outer wall of the cylinder body is a smooth cylinder, so that the heat transfer area is small, and the spray cooling efficiency still has a space for improving.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and aims to provide an integrated wheel belt and a ribbed wall surface spraying rotary drum cooling machine comprising the same, so that the heat exchange efficiency is improved, the problems in the original system are solved, the size and the operation cost of equipment are further reduced, the working efficiency and the reliability of the equipment are improved, and the service life of the equipment is prolonged.

In order to achieve the purpose, the invention provides the following technical scheme that the integrated tyre comprises a tyre and a force transmission ring, wherein the force transmission ring is uniformly distributed on an inner ring of the tyre along the circumferential direction, the force transmission ring comprises annular side plates arranged on two sides of the tyre respectively and a middle partition plate arranged between the annular side plates on the two sides, the middle partition plates are arranged at equal intervals along the circumferential direction of the inner ring of the tyre, the upper end of the middle partition plate is fixedly connected with the tyre, and the left side and the right side of the middle partition plate are fixedly connected with the annular side plates respectively.

Furthermore, the annular side plates are in a staggered step shape, protrusions are arranged at the fixing positions of the annular side plates and the middle partition plates, first grooves are arranged between every two adjacent protrusions, the middle partition plates are in an inverted concave shape, and second grooves are arranged in the middle of the middle partition plates.

The invention also provides a ribbed wall surface spray rotary drum cooling machine which comprises the integrated wheel belt, and further comprises a feeding unit, a rotary drum unit and a discharging unit, wherein the rotary drum comprises a quick cooling section drum, a front end drum and a tail end drum which are respectively arranged at two ends of the quick cooling section drum, the front end drum and the rear end drum are double-layer drums, each double-layer drum comprises an inner drum and an outer drum, the integrated wheel belt is arranged between the inner drum and the outer drum, spray cooling is adopted in the double-layer drums, and an atomizing nozzle is arranged in a cooling cover around the quick cooling section drum.

Further, outer barrel is equipped with the interval section, the integration wheel area sets up between the outer barrel interval section, the annular curb plate outside respectively with outer barrel interval section both ends fixed connection, the protruding bottom and the inner tube fixed connection of annular curb plate, the wheel area is fixed intermediate bottom and both sides annular curb plate upper end, barrel, outer barrel and wheel area form the integrated structure in the biography power ring connection.

Further, an integral movable lining cylinder is arranged in the double-layer cylinder body of the front-end cylinder body and comprises a heat-resistant lining cylinder, a heat-resistant cast iron hook block, an end flange and a pressing block, the heat-resistant lining cylinder is attached to the inner cylinder, the heat-resistant cast iron hook block is arranged on the inner side of the end flange, the upper end of the heat-resistant lining cylinder presses the front end of the heat-resistant lining cylinder, the pressing block is arranged at the rear end of the heat-resistant lining cylinder, and a lining cylinder clearance is reserved between the pressing block and the rear end of the heat-resistant lining cylinder.

Furthermore, the pressing block is L-shaped and comprises a horizontal section and a vertical section, the horizontal section is fixedly connected with the inner barrel, the horizontal section is axially arranged along the inner barrel, the horizontal section is parallel to the inner wall of the inner barrel, and the rear end of the heat-resistant lining barrel is limited between the horizontal section of the pressing block and the inner wall of the inner barrel.

Furthermore, fins are arranged between the inner cylinder and the outer cylinder of the double-layer cylinder and on the outer wall surface of the cylinder of the rapid cooling section.

Further, the front end of the outer barrel is fixedly connected with the inner barrel through an end connecting plate to form a closed inner cavity, cooling water passes through the nozzle to form atomized water drops with narrow angles, the atomized water drops fill the inner cavity between the outer barrel and the inner barrel, a cooling effect is achieved, and the inner barrel is protected.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the invention adopts the structural form of the double-layer cylinder body integrated belt:

the invention adopts the structural form of the double-layer cylinder body integrated belt, the belt is directly fixed on the inner cylinder body through the force transmission ring, the outer cylinder body is fixed on the force transmission ring to form an integrated structure, the radial rigidity of the whole system can be effectively improved, and the end connecting plates are designed at the two ends of the double-layer cylinder body to ensure that the double-layer cylinder body forms a closed inner cavity and the deformation of the inner cylinder body and the outer cylinder body is coordinated. Meanwhile, the inner ring of the force transmission ring is axially provided with a channel, so that cooling water can be guaranteed to be distributed in the inner cavity of the whole double-layer cylinder body to cool the cylinder body, the heat exchange efficiency is improved, and the cooling effect is enhanced; the circumference design is the concavity, and the purpose is to guarantee the rigidity of whole integration tyre, and the barrel atress is even, improves its reliability. The double-layer barrel integrated tyre structure does not need to periodically replace worn backing plates and stop blocks, greatly reduces maintenance workload, prolongs the service life of the tyre, has better heat dissipation performance and greatly improves cooling efficiency.

2. The front-end barrel body adopts a movable integral lining barrel:

the front end barrel of the prior art adopts a structural form of laying refractory bricks or installing a plurality of lining plates, so that in the operation process of equipment, the heat conduction efficiency is low, the falling phenomenon easily occurs, and the later maintenance work is large. The movable integral lining cylinder adopts a non-completely fixed installation form, and a thermal expansion space is reserved according to the temperature in the cylinder and the thermal expansion coefficient of the lining cylinder material, so that the movement of the lining cylinder is not limited, the heat transfer efficiency can be improved, the cooling effect is enhanced, the cylinder can be protected, the service life is prolonged, and the maintenance workload is reduced.

3. A novel ribbed wall cylinder is adopted:

the outer surface of the inner cylinder comprises ribbed walls inside the double-layer cylinder, and the ribs on the surface of the cooling cylinder not only strengthen the disturbance effect on the fluid on the surface of the cylinder, destroy the laminar flow bottom of a boundary layer of the wall surface, but also increase the effective heat exchange area, so that the cooling fluid can be fully contacted with the cylinder, the heat exchange effect of the wall surface is enhanced, and the cooling effect of the system is improved.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a view showing the arrangement of the cylinder fins on the front and rear ends;

FIG. 3 is a schematic view of a double-layered cartridge;

FIG. 4 is an isometric view of a double-layered cartridge;

FIG. 5 is a schematic view of an integrated belt;

in the figure: 1-a feeding chute; 2-a feeding box; 3-sealing the feed end; 4-front end cylinder; 5-spray cooling; 6-quick cooling section cylinder; 7-a cooling pipeline; 8-tail end cylinder body; 9-discharging cylinder; 10-sealing the discharge end; 11-a discharge box; 12-sealing with a nitrogen gas curtain; 13-a transmission part; 14-tail support; 15-ribs; 16-front support; 17-a feed cylinder; 18-an outer cylinder; 19-a force-transmitting ring; 20-inner cylinder; 21-an end connection plate; 22-a belt wheel; 23-bushing play; 24-briquetting; 25-a refractory lining sleeve; 26-heat-resistant cast iron hook block; 27-heat resistant bolts; 28-feed connection cylinder; 29-end flange; 30-ring-shaped side plate; 31-middle partition plate, 32-bulge; 33-a first groove; 34-second groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1, the present application provides a flow-controlled structure ribbed wall surface spray rotary drum cooler for inhibiting the slag falling of a tundish, which comprises a feeding unit, a rotary drum unit and a discharging unit;

the feeding part consists of a feeding chute 1, a feeding box 2 and a steel structure, and the feeding chute 1 is connected with the upstream equipment of the cooling machine and used for conveying the high-temperature pellets. The cross section of the chute is rectangular, and heat-resistant materials are built inside the chute; the part that the chute top is located the feeding and covers the outside sets up water cooling mechanism, and feeding cover internal portion top is heat-resisting board, can dismantle, and feeding case 2 is connected with feeding barrel 17.

The rotary cylinder unit is divided into a front-end cylinder 4, a tail-end cylinder 88 and a quick cooling section cylinder 6 according to functions, and mainly carries out conveying and cooling of reduced iron pellets, and the front-end cylinder 4 and the tail-end cylinder 8 are of double-layer cylinder structures.

In the above embodiment, the rapid cooling section cylinder 6 is arranged between the front end cylinder 4 and the tail end cylinder 8, the front end cylinder 4 and the rear end cylinder are double-layer cylinders, the double-layer cylinders comprise the inner cylinder 20 and the outer cylinder 18, the integrated belt is arranged between the inner cylinder 20 and the outer cylinder 18, the spray cooling 5 is adopted inside the double-layer cylinders, and the cooling nozzles are arranged around the rapid cooling section cylinder 6 in the cooling cover and connected with the cooling pipeline 7. Outer barrel 18 is equipped with the interval section, the setting of integration wheel area is in between the outer barrel 18 interval section, the annular curb plate 30 outside respectively with outer barrel 18 interval section both ends fixed connection, the arch 32 bottom and the inner tube fixed connection of annular curb plate 30, wheel area 22 are fixed intermediate bottom 31 and both sides annular curb plate 30 upper end, barrel 20, outer barrel 18 and wheel area 22 formation integrated structure in the connection of biography power ring 19.

In a further preferred embodiment, the force transmission ring 19 includes annular side plates 30 respectively disposed at two sides of the belt 22 and a middle partition plate 31 disposed between the annular side plates 30, the middle partition plate 31 is disposed at equal intervals along the circumferential direction of the inner ring of the belt 22, the upper end of the middle partition plate 31 is fixedly connected to the belt 22, the left and right sides are fixedly connected to the annular side plates 30 respectively, the annular side plates 30 are in a staggered step shape, protrusions 32 are disposed at the fixing positions of the middle partition plates 31, first grooves 33 are disposed between adjacent protrusions 32, the middle partition plate 31 is in an inverted concave shape, and a second groove 34 is disposed in the middle.

In the above embodiment, the belt 22 and the force transfer ring 19 may be connected by welding, but not limited to the above connection manner, the force transfer ring 19 is directly welded on the inner cylinder 20, and the outer cylinder 18 is welded on the force transfer ring 19 to form an integrated structure, which can effectively improve the radial rigidity of the whole system.

The annular side plates 30 are in a staggered step shape, the fixing positions of the middle partition plates 31 are provided with the protrusions 32, the first grooves 33 are arranged among the protrusions 32, the first grooves 33 can ensure that cooling water can flow axially, the whole double-layer cylinder can be covered by water mist, the cooling is effective, meanwhile, the force transmission ring 19 is welded with the inner cylinder 20, welding points can be reduced, the process is simple, and the stability of the structure cannot be influenced; the weight of the equipment can be reduced, and steel is saved.

The middle partition plate 31 is arranged in an inverted concave shape, and the middle of the middle partition plate is provided with a second groove 34, so that cooling water can flow in the circumferential direction in the power transmission ring 19, turbulence is formed in the circumferential direction, and the cooling effect on the inner cylinder body 20 is enhanced; meanwhile, the force transmission ring 19 is in surface contact with the cylinder body, the concave design can reduce the contact area and the surface processing area, and the process is simple. The double-layer barrel integrated tyre structure does not need to periodically replace worn backing plates and stop blocks, greatly reduces maintenance workload, prolongs the service life of the tyre, has better heat dissipation performance and greatly improves cooling efficiency.

In a further preferred embodiment, an integral movable lining cylinder is arranged in the double-layer cylinder body of the front-end cylinder body 4, the integral movable lining cylinder comprises a heat-resistant lining cylinder 25, a heat-resistant cast iron hook block 26, an end flange 29 and a pressing block 24, the heat-resistant lining cylinder 25 is attached to the inner cylinder, the heat-resistant cast iron hook block 26 is arranged at the lower end of the feeding connection cylinder body 28, the upper end of the inner side of the end flange 29 presses the front end of the heat-resistant lining cylinder 25, the pressing block 24 is arranged at the rear end of the heat-resistant lining cylinder 25, and a lining cylinder clearance is reserved between the pressing block 24 and the rear end of the heat-resistant. The pressing block 24 is L-shaped and comprises a horizontal section and a vertical section, the horizontal section is fixedly connected with the inner barrel, the horizontal section is axially arranged along the inner barrel, the horizontal section is parallel to the inner wall of the inner barrel, and the rear end of the heat-resisting lining barrel 25 is limited between the horizontal section of the pressing block 24 and the inner wall of the inner barrel.

In the above embodiment, the heat-resistant lining tube 25 is of an integral structure, has a size consistent with the inner diameter of the inner cylinder 20, is attached to the inner cylinder 20 during installation, and is made of heat-resistant stainless steel. The heat-resistant lining cylinder 25 is limited in radial movement by a heat-resistant cast iron hook block 26 at the front end close to the cylinder body, the left end of the heat-resistant lining cylinder 25 in the axial direction is fixed by an end flange 29, the right end of the heat-resistant lining cylinder is limited by a pressing block 24, a lining cylinder clearance 23 is reserved, free expansion of the whole lining cylinder is guaranteed, and edge curling is prevented. The heat-resistant cast iron hook block 26 is connected with the end flange 29 through the heat-resistant bolt 27, and the heat-resistant cast iron hook block 26 is arranged in the thermal expansion process of the lining cylinder, so that the contact state of the lining cylinder and the cylinder body can be radially enlarged, heat conduction is facilitated, and heat transfer efficiency is improved. But also can protect the cylinder, prolong the service life and reduce the maintenance workload.

In a further preferred embodiment, fins 15 are arranged between the inner cylinder 20 and the outer cylinder 18 of the double-layer cylinder and on the outer wall surface of the cylinder 6 of the rapid cooling section. The fins can be rectangular, annular, trapezoidal, hyperboloid, triangular and the like, and the installation form can be continuous, discontinuous, spiral, annular, crossed and the like.

In the above embodiment, the fins are arranged between the inner cylinder 20 and the outer cylinder 18, so that the heat dissipation area is increased, meanwhile, the cooling water flows between the inner cylinder 20 and the outer cylinder 18, the fins can also enhance the disturbance effect on the fluid on the surface of the cylinder, the laminar flow bottom layer of the wall surface boundary layer is damaged, the effective heat exchange area is increased, the cooling fluid can be fully contacted with the cylinder, the heat exchange effect of the wall surface is enhanced, and the cooling effect of the system is improved. Compared with the light cylinder, the diameter and the length of the cylinder can be reduced, so that the whole equipment is more compact in structure and smaller in size.

In the above embodiment, the fins can be fixed with the barrel in a full-welding mode, so that cooling water mist is guaranteed to be in best contact with the fins, the heat exchange efficiency is improved, and the cooling effect is enhanced.

In a further preferred embodiment, the front end of the outer cylinder 18 is fixedly connected with the inner cylinder 20 through the end connecting plate 21 to form a closed inner cavity, and the cooling water passes through the nozzle to form narrow-angle atomized water drops to fill the inner cavity between the outer cylinder 18 and the inner cylinder 20 to play a cooling role and protect the inner cylinder 20.

According to the spray cooling, different atomizing nozzles are reasonably arranged in different areas according to the material movement direction, the axial temperature gradient of the outer surface of the cylinder and the circumferential temperature distribution condition, spray cooling 5 is adopted in the double-layer cylinder at the feeding end and the discharging end of the cylinder, the whole cylinder surface is covered by spray cooling water, the cooling efficiency is improved, and the cylinder is protected; atomizing nozzles are arranged in the cooling cover around the quick cooling section cylinder 6, a water collecting tank is arranged below the cooling cover, circulating cooling water is stored, and the circulating cooling water is pumped out by a water pump and then is recycled after being treated by a cooling tower and a filter. The water mist formed by the atomizing nozzles is distributed on the surface of the cylinder body, and a large amount of heat is taken away through the gasification potential energy of the water mist, so that the rapid cooling is realized.

The transmission part 13 is arranged at the discharge end of the cylinder, and a motor drives a speed reducer, a pinion and a bull gear to drive the cylinder to rotate so as to convey the reduced iron pellets.

The supporting part is divided into a front support 16 and a tail support 14, the two-gear supporting structure is similar, the two-gear supporting structure is two riding wheel supporting wheel belts 22, and the wheel belts 22 are integrated with the outer cylinder 18. The bull gear, the front support 16 and the tail end support are all of double-layer barrel structures to protect the support and transmission mechanism. And carrying out spray cooling in the double-layer cylinders at the two ends to protect the cylinders for cooling.

The discharging unit is connected with downstream equipment of the reduced iron production process line and is used for discharging the low-temperature pellets. The structure is as follows: the discharging cylinder 9 extends into the discharging box 11, a conical discharging opening is arranged at the bottom of the discharging box 11, and the discharging opening is sealed by a nitrogen gas curtain 12. Wherein, the feed end seal 3 and the discharge end seal 10 are formed by the combination of filler seal and nitrogen seal, and the purpose is to prevent the reduced iron pellets from being oxidized by air at high temperature.

The specific working process of the embodiment is as follows: the 1100 ℃ reduced iron pellets enter the cylinder through the feeding chute, the cooler is supported by two riding wheels (the front end and the tail end), the transmission system drives the cylinder to rotate, the reduced iron pellets move from the feeding end to the discharging end in the cylinder with an inclination angle, and spray cooling is carried out at the 6 end of the cylinder at the rapid cooling section.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. The integrated tyre is characterized by comprising a tyre and a force transmission ring, wherein the force transmission ring is uniformly distributed on an inner ring of the tyre along the circumferential direction, the force transmission ring comprises annular side plates arranged on two sides of the tyre respectively and a middle partition plate arranged between the annular side plates on the two sides, the middle partition plates are arranged at equal intervals along the circumferential direction of the inner ring of the tyre, the upper end of the middle partition plate is fixedly connected with the tyre, and the left side and the right side of the middle partition plate are fixedly connected with the annular side plates respectively.

2. An integrated belt as in claim 1, wherein: the annular side plates are in a staggered step shape, protrusions are arranged at the fixing positions of the annular side plates and the middle partition plates, first grooves are arranged between every two adjacent protrusions, the middle partition plates are in an inverted concave shape, and second grooves are arranged in the middle of the middle partition plates.

3. The utility model provides a ribbed wall spraying rotary drum cooler which characterized in that: the integrated wheel belt comprises the integrated wheel belt of claims 1-2, and further comprises a feeding unit, a rotary cylinder unit and a discharging unit, wherein the rotary cylinder comprises a quick cooling section cylinder, a front end cylinder and a tail end cylinder which are respectively arranged at two ends of the quick cooling section cylinder, the front end cylinder and the rear end cylinder are double-layer cylinders, the double-layer cylinders comprise an inner cylinder and an outer cylinder, the integrated wheel belt is arranged between the inner cylinder and the outer cylinder, spray cooling is adopted inside the double-layer cylinders, and atomizing nozzles are arranged in a cooling cover around the quick cooling section cylinder.

4. A ribbed wall spray rotary cooler as claimed in claim 3, wherein: the outer barrel is provided with spacing sections, the integrated wheel belt is arranged between the spacing sections of the outer barrel, the outer sides of the annular side plates are fixedly connected with two ends of the spacing sections of the outer barrel respectively, the protruding bottoms of the annular side plates are fixedly connected with the inner barrel, the wheel belt is fixed to the upper ends of the annular side plates on the middle partition plate and two sides, and the force transmission ring is connected with the inner barrel, the outer barrel and the wheel belt to form an integrated structure.

5. A ribbed wall spray rotary cooler as claimed in claim 3, wherein: the double-layer barrel of the front-end barrel is internally provided with an integral movable lining barrel, the integral movable lining barrel comprises a heat-resistant lining barrel, a heat-resistant cast iron hook block, an end flange and a pressing block, the heat-resistant lining barrel is attached to the inner barrel, the heat-resistant cast iron hook block is arranged on the inner side of the end flange, the upper end of the heat-resistant lining barrel is pressed against the front end of the heat-resistant lining barrel, the pressing block is arranged at the rear end of the heat-resistant lining barrel, and a lining barrel clearance is reserved between the pressing block and the rear end of the heat.

6. A ribbed wall spray rotary cooler according to claim 5, including: the pressing block is L-shaped and comprises a horizontal section and a vertical section, the horizontal section is fixedly connected with the inner barrel, the horizontal section is axially arranged along the inner barrel, the horizontal section is parallel to the inner wall of the inner barrel, and the rear end of the heat-resistant lining barrel is limited between the horizontal section of the pressing block and the inner wall of the inner barrel.

7. A ribbed wall spray rotary cooler as claimed in claim 3, wherein: fins are arranged between the inner barrel and the outer barrel of the double-layer barrel and on the outer wall surface of the quick cooling section barrel.

8. A ribbed wall spray rotary cooler as claimed in claim 3, wherein: the outer barrel front end passes through end connection board fixed connection with interior barrel, forms closed inner chamber, and the cooling water passes through the nozzle, forms the atomizing water droplet of narrow angle, fills the inner chamber between outer barrel and the interior barrel, plays the cooling action, barrel in the protection simultaneously.