CN114739183A - High nickel matte rotary kiln roasting section pouring construction equipment and construction process - Google Patents
High nickel matte rotary kiln roasting section pouring construction equipment and construction process Download PDFInfo
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- CN114739183A CN114739183A CN202210241965.4A CN202210241965A CN114739183A CN 114739183 A CN114739183 A CN 114739183A CN 202210241965 A CN202210241965 A CN 202210241965A CN 114739183 A CN114739183 A CN 114739183A
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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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1636—Repairing linings by projecting or spraying refractory materials on the lining
- F27D1/1642—Repairing linings by projecting or spraying refractory materials on the lining using a gunning apparatus
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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
- Y02P10/20—Recycling
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to the technical field of refractory material production, in particular to high nickel matte rotary kiln roasting section pouring construction equipment and a construction process; the kiln comprises a supporting assembly, a driving assembly and a pouring assembly which are controlled by an external controller, wherein a driven gear ring and a wheel belt which are coaxial with the outer side wall of a kiln are fixedly arranged on the outer side wall of the kiln, the interior of the kiln is completely hollow, the kiln is in a completely flat state, the supporting assembly is detachably and fixedly arranged in the kiln, the driving assembly is used for driving the kiln to rotate along the central axis of the kiln, the pouring assembly comprises an operation vehicle and a pouring unit arranged on a platform, a maintenance pipe is coaxially connected in the kiln in a penetrating manner, the maintenance pipe is rotatably connected with a supporting ring, two cavities which are mutually isolated from each other from top to bottom are arranged in the maintenance pipe, and nozzles are densely distributed on pipe bodies at the upper end and the lower end of the maintenance pipe along the axial direction of the maintenance pipe; the invention can effectively solve the problems of low efficiency, poor precision, poor safety and the like in the prior art.
Description
Technical Field
The invention relates to the technical field of refractory material production, in particular to high nickel matte rotary kiln roasting section pouring construction equipment and a construction process.
Background
The rotary kiln is a rotary roasting kiln, the rotary kiln has the function of performing high-temperature roasting process treatment on materials in the kiln by utilizing rotation, and the lining of the rotary kiln is a structure which is formed by a refractory material structure and has heat insulation, strength and service life.
In the application number: CN202020973800.2 patent document discloses a pouring construction equipment for rotary kiln lining, which includes frames disposed at two outer ends of the rotary kiln body, and a support component, a rail component, and a moving cart disposed in the rotary kiln body; the support component is contacted with the track component, and the movable trolley is arranged on the track component; the supporting component comprises a plurality of supporting columns and a sliding ring; the slip rings are annular, a plurality of slip rings are arranged in the kiln body at equal intervals along the length direction of the kiln body, a plurality of supporting columns are arranged on the outer side of the circumference of the slip rings, and the slip rings are connected with the inner side wall of the kiln body through the supporting columns; the track assembly is arranged along the length direction of the kiln body, the track assembly is placed in the sliding ring, the bottom end of the track assembly is in contact with the inner side wall of the sliding ring, and two ends of the track assembly are connected with the rack through steel wire ropes; the moving trolley is arranged on the track assembly and can move along the length direction of the track assembly.
However, the following disadvantages still exist in the practical application process:
low efficiency and poor precision: because the lining is still poured in a manual mode, the construction is slow, and the pouring quality of the lining on the inner wall of the kiln can not be effectively guaranteed.
Poor safety: because when the inside lining is pour to the manual work, the kiln body of rotary kiln need frequently rotate, and the workman just can carry out the pouring of full aspect to the inner wall of kiln like this, but rotatory kiln again can make the inside workman of kiln take place the danger of empting easily, and the roll of the material of not pouring in the kiln body also can cause the threat to personnel's safety simultaneously.
Disclosure of Invention
The present invention is directed to solving the problems of the prior art, and the problems set forth in the background above.
In order to achieve the purpose, the invention adopts the following technical scheme: a high nickel matte rotary kiln roasting section pouring construction device comprises a supporting assembly, a driving assembly and a pouring assembly which are controlled by an external controller;
a driven gear ring and a wheel belt which are coaxial with the outer side wall of the kiln are fixedly arranged on the outer side wall of the kiln, the interior of the kiln is completely hollow, and the kiln is in a completely flat-laid state;
the supporting assembly is detachably and fixedly arranged inside the kiln;
the driving assembly is used for driving the kiln to rotate on the central axis;
the pouring assembly comprises an operation vehicle and a pouring unit arranged on the platform.
Furthermore, the supporting assembly comprises a supporting ring and hydraulic telescopic rods, a group of hydraulic telescopic rods which can stretch out and draw back along the radial direction of the supporting ring is symmetrically arranged on the outer side wall of the supporting ring, the supporting assemblies are distributed in the kiln at equal intervals, and the supporting ring is coaxial with the kiln.
Furthermore, a maintenance pipe is coaxially connected inside the kiln in a penetrating manner, the maintenance pipe is rotatably connected with the supporting ring, two cavities which are mutually isolated from each other from top to bottom are formed inside the maintenance pipe, nozzles are densely distributed on pipe bodies at the upper end and the lower end of the maintenance pipe along the axial direction of the maintenance pipe, and the input ends of the nozzles are communicated with the corresponding cavities;
and a first gyroscope sensor is also arranged in the supporting ring.
Furthermore, a power supply electric brush is arranged at the rotary connection position of the maintenance pipe and the supporting ring, and a power receiving electric brush matched with the power supply electric brush is arranged on the inner ring side of the supporting ring; the projection of the nozzle in the axial direction of the service pipe is completely inside the projection of the power supply brush in the axial direction of the service pipe.
Furthermore, the drive assembly comprises a drive motor, an elastic coupling, a drive gear, a servo motor and a riding wheel, two riding wheels used for supporting are symmetrically arranged at each wheel belt on the kiln, the riding wheels are driven to rotate by the corresponding servo motors, a limiting ring matched with the wheel belts is further arranged on each riding wheel, the drive motor is connected with the drive gear through the elastic coupling, and the drive gear is meshed with a driven gear ring.
Furthermore, mecanum wheels are symmetrically installed on a body of the operation vehicle, the pouring unit comprises a transfer pump, a guniting pipe, a feeding pipe, an electric control telescopic boom and an electric telescopic scraper, the transfer pump is arranged at the top of the operation vehicle, the guniting pipe and the feeding pipe are respectively arranged at the output end and the input end of the transfer pump, the electric control telescopic boom is installed on the operation vehicle, the electric control telescopic boom and the guniting pipe extend out of the front end of the operation vehicle, the electric telescopic scraper is arranged at the front end of the electric control telescopic boom, and the telescopic direction of the electric telescopic boom is towards the lower side.
Furthermore, a pipe orifice of the output end of the guniting pipe is arranged on one side of the electric telescopic scraper;
a second gyroscope sensor is also arranged on the working vehicle;
an ultrasonic vibrator and an electric heating wire are embedded in the end part of the free end of the electric telescopic scraper;
the end part of the free end of the electric telescopic scraper is also provided with a pair of arc plates facing one side of the guniting pipe, and the plate body and the telescopic direction of the electric telescopic scraper are along the radial direction of the kiln;
and a first distance sensor is arranged at the rear end of the operation vehicle.
Furthermore, a ray type nondestructive inspection device and a second distance sensor are further arranged on the fixing portion of the electric telescopic rod scraper, and the detection visual angles of the ray type nondestructive inspection device and the second distance sensor are all along the radial direction of the kiln.
A construction process of high nickel matte rotary kiln roasting section pouring construction equipment comprises the following steps:
s1, uniformly arranging support components in the kiln along the axial direction of the kiln, and enabling all hydraulic telescopic rods on the support components to extend for a specified length so as to enable the hydraulic telescopic rods to tightly prop against the inner wall of the kiln;
s2, horizontally placing the kiln on the driving assembly;
s3, coaxially penetrating the maintenance pipe in the kiln, connecting a power supply brush on the maintenance pipe with a corresponding power receiving brush in a sliding friction manner, and enabling two cavities on the maintenance pipe to be respectively arranged at the upper end and the lower end in the vertical direction;
s4, fixing the end part of the maintenance pipe outside the kiln furnace so that the maintenance pipe can not rotate, then connecting an air guide pipe and a water guide pipe to the end parts of the two ends of the maintenance pipe, wherein the air guide pipe is communicated with a cavity at the upper end of the maintenance pipe, the water guide pipe is communicated with a cavity at the lower end of the maintenance pipe, and then connecting the air guide pipe and the water guide pipe to the output ends of an air pump and a water pump respectively;
s5, arranging an air heating device at the input end of the air pump and arranging a liquid storage tank at the input end of the water pump;
s6, electrically connecting a lead penetrating through the inner wall of the maintenance pipe with an external power supply, so that the hydraulic telescopic rod is electrified from the lead through the matching of the power receiving electric brush and the secondary power supply electric brush;
s7, the external controller instructs the hydraulic telescopic rod at the lower end in the vertical direction to contract, so that the lower part of the kiln is in a completely communicated state along the axial direction;
s8, mounting detachable transition pipes on two ends of the kiln coaxially and fixedly;
s9, placing two operation vehicles in the kiln, leading the two operation vehicles to be in an end-to-end state, and leading the feeding pipes at the input ends of the transfer pumps on the two operation vehicles out of the end parts of the corresponding ends of the kiln and connecting the feeding pipes with a material storage tank;
s10, leading out cables at the tail parts of the two operation vehicles, and simultaneously leading out the cables from the end parts of the corresponding ends of the kiln and electrically connecting the cables with an external controller;
s11, the external controller instructs the air pump to input dry and clean hot air into the air guide pipe, and the closer to the middle part of the kiln, the larger the air flow on the nozzle;
s12, the two operation vehicles are instructed by the external controller to move to the middle part of the kiln, and then the external controller instructs the driving motor and the servo motor to operate at a specified power, so that the kiln rotates at a specified angular speed;
s13, the external controller instructs the electric telescopic scraper to extend for a specified length, and then instructs the transfer pump to spray a specified amount of slurry to the inner wall of the kiln through the slurry spraying pipe at a specified flow rate, and in the process, the bottom of the electric scraper can evenly smear the sprayed slurry;
s14, concurrent with S13 above, is also: the external controller instructs the electric heating wire and the ultrasonic vibrator to start, so that the smearing degree and speed of the sizing agent on the inner wall of the kiln are further improved through the ultrasonic vibrator, and the bottom of the electric telescopic scraper reaches the specified temperature through the electric heating wire, so that the drying of the sizing agent on the inner wall of the kiln is accelerated;
s15, simultaneously with S13: the external controller instructs the electric control telescopic boom to do reciprocating telescopic motion, so that the electric control telescopic scraper can uniformly coat the slurry on the inner wall of the kiln, and in the process, the external controller monitors whether the inside of the slurry layer on the inner wall of the kiln is tightly compacted or not in real time through the ray type nondestructive flaw detector, and simultaneously, the external controller also monitors whether the thickness of the slurry layer is consistent or not in real time through the second distance sensor;
s16, if in S15, the external controller detects a crack or uneven thickness of the slurry layer, the external controller instructs the electric telescopic scraper to move to a position where the defect is located in the axial direction of the kiln, and instructs the electric telescopic scraper to extend by a specified length, so as to repair the defect, and after the defect is repaired, the external controller instructs the electric telescopic scraper to retract and the electric telescopic boom still performs a reciprocating telescopic motion, so as to ensure that the thickness of the slurry layer is consistent and the inside is tight and has no hidden damage;
s17, after the processes of S13-S16 are finished, namely after the slurry layer is dried, an external controller instructs the operation vehicle to move backwards for a specified length along the axial direction of the kiln, and then the steps S13-S16 are repeated in sequence until the inner wall of the kiln is completely poured with a layer of slurry and dried and molded;
s18, repeating the steps S12 to S17 in sequence next to the step S17 until the inner lining of the inner wall of the kiln reaches the specified thickness;
s19, the user instructs the driving motor and the servo motor to stop through the external controller, instructs the operation vehicle to withdraw from the inside of the kiln, removes the maintenance pipe, then the user is provided with annular supporting pieces at equal intervals in the kiln, then sequentially removes the supporting components and replaces the supporting components with star-shaped supports, and then the user carries out fixed-point repair on the liner at the contact point of the star-shaped supports and the inner wall of the kiln in a manual mode, so that the liner on the inner wall of the kiln is in a state of uniform thickness and compact compactness at the contact point.
Further: in S5, an air filter is connected to an input end of the air heating device;
in S7, when the direction of rotation is 90 ° vertically upward and 90 ° toward, is the direction of rotation of the kiln, the hydraulic telescopic rod in the range of 225 ° -315 ° is in a fully contracted state, and when the hydraulic telescopic rod approaches, 220 ° starts to contract, and when the hydraulic telescopic rod leaves 315 ° starts to elongate;
in S8, a baffle plate cooperating with the second distance sensor is further rotatably connected to a pipe orifice of the outer end of the transition pipe;
in the step S8, the length of the transition pipe is greater than the sum of the length of the working vehicle and the maximum arm length of the electrically controlled telescopic boom;
in the S9 and S10, bearings are arranged on the feeding pipe and the cable at equal intervals, and the surfaces of the feeding pipe and the cable are both coated with heat insulation layers;
in the step S11, both ends of the kiln are provided with air exhaust fans;
in S12, when the kiln rotates, the shotcrete pipe on each work vehicle is located at the front end of the electric telescopic scraper;
in S13, the slurry is prepared by mixing refractory powder and a solvent;
in S13, the protruding length of the guniting pipe on the transfer pump is also controlled by an external controller;
in S17, the external controller determines whether the slurry layer is completely dried according to the second distance sensor and the radiation-type nondestructive inspection device, that is, in the process of continuously specifying the duration, the external controller does not detect the conditions that the thickness of the slurry layer is uneven and the interior of the slurry layer is hidden;
in S18, the lining is a substitute of the slurry layer after drying and forming;
in the process of S12-S18, the external controller instructs a nozzle of the maintenance pipe to regularly spray a specified amount of water on the surface of the dried and formed lining, and in the process, the lining is further dried by hot air released from the maintenance pipe, so that the maintenance is carried out in the whole process of drying and forming the slurry layer;
in S19, the outer ring side of the annular support is in contact with the liner, and the portion of the annular support in contact with the liner is an inflatable bladder;
in S19, the spider is made of a metal material, and the supporting portion of the spider on the outer ring side is in contact with and fixed to the inner wall of the furnace.
Compared with the prior art, the invention has the advantages and positive effects that,
according to the invention, by adding a supporting assembly, a driving assembly and a pouring assembly, a driven gear ring and a wheel belt which are coaxial with the supporting assembly are fixedly arranged on the outer side wall of the kiln, the interior of the kiln is completely hollow, the kiln is in a completely flat state, the supporting assembly is detachably and fixedly arranged in the kiln, the driving assembly is used for driving the kiln to rotate around the central axis of the driving assembly, the pouring assembly comprises an operation vehicle and a pouring unit arranged on a platform, the supporting assembly comprises a supporting ring and a hydraulic telescopic rod, the interior of the kiln is coaxially connected with a maintenance pipe in a penetrating manner, the driving assembly comprises a driving motor, an elastic coupling, a driving gear, a servo motor and a riding wheel, mecanum wheels are symmetrically arranged on the vehicle body of the operation vehicle, and the pouring unit comprises a transfer pump, a slurry spraying pipe, a feeding pipe, an electric control telescopic suspension arm and an electric telescopic scraper blade.
Thus, a user can automatically control the two operation vehicles to simultaneously pour the lining in the kiln through the external controller, and the pouring work of the lining is divided into a section in the axial direction and a plurality of layers in the radial direction to carry out sectional and layered pouring work (similarly, paint is repeatedly brushed on the wall until the thickness of a paint layer reaches the specified requirement). Compared with the traditional pouring mode, the construction mode can ensure that the stress of the inner liner at each position on the inner wall of the kiln is uniform and gradually increased in the whole pouring process, is favorable for improving the pouring quality and speed of the inner liner, and simultaneously avoids the adverse effect of deformation caused by uneven stress of the kiln body (namely, uneven distribution of the inner liner on the inner wall of the kiln).
Therefore, the invention has the effects of high efficiency, high precision, high safety and the like in practical application Guo morning.
Drawings
Fig. 1 is a visual diagram of the present invention during a casting operation at a first viewing angle.
FIG. 2 is a schematic view of a kiln body at a second viewing angle of the invention after being partially cut away.
Fig. 3 is a schematic view of the lower support assembly at a third viewing angle in accordance with the present invention.
FIG. 4 is a schematic view of the service tube from a fourth perspective of the present invention.
FIG. 5 is a cross-sectional view of a service tube according to the present invention.
Fig. 6 is a schematic view of a casting assembly according to a fifth aspect of the present disclosure.
Fig. 7 is a pictorial view of a casting assembly according to a sixth aspect of the present invention.
Fig. 8 is a schematic view of the annular supporting member according to a seventh perspective of the present invention.
FIG. 9 is a schematic view of the star-shaped support frame at the eighth viewing angle according to the present invention.
Figure 10 is a cross-sectional view of a cable and feeding tube according to the invention.
Fig. 11 is an enlarged view of the area a in fig. 1.
Fig. 12 is an enlarged view of the region B in fig. 1.
The reference numerals in the drawings denote:
100-kiln; 101-driven gear ring; 102-a belt; 103-a transition tube; 104-a baffle;
200-a support assembly; 201-supporting a circular ring; 202-hydraulic telescopic rod; 203-current receiving brush; 204-a first gyro sensor;
300-a drive assembly; 301-a drive motor; 302-an elastic coupling; 303-a drive gear; 304-a servo motor; 305-a riding wheel; 306-a stop collar;
400-casting the assembly; 410-a work vehicle; 420-casting unit;
411-Mecanum wheels; 412-a first distance sensor; 413-cable;
421-transfer pump; 422-a guniting pipe; 423-a feeding pipe; 424-electrically controlled telescopic boom; 425-electric telescopic scraper; 426-a second gyro sensor; 427-an arc-shaped plate; 428-ray nondestructive inspection apparatus; 429-a second distance sensor;
500-maintaining the tube; 501-a cavity; 502-a nozzle; 503-supply brushes; 504-a wire;
600-a ring support; 601-an inflatable balloon;
700-a spider;
800-a thermal insulation layer; 801-bearings;
900-air exhaust fan.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The pouring construction equipment for the roasting section of the high nickel matte rotary kiln in the embodiment refers to fig. 1-12: including support assembly 200, drive assembly 300, and casting assembly 400, which are controlled by an external controller.
A driven gear ring 101 and a belt 102 are fixed on the outer side wall of the kiln 100, the driven gear ring and the belt are coaxial with the outer side wall, the inside of the kiln 100 is completely hollow, and the kiln 100 is in a completely flat state (namely, the central axis of the kiln 100 is parallel to the ground).
The belt 102 is used to prevent the furnace 100 from being damaged by the direct contact between the furnace 100 and the ground or other supports. The driven gear ring 101 drives the kiln 100 to rotate by receiving an external force.
The support assembly 200 is detachably and fixedly disposed inside the kiln 100.
The supporting assembly 200 comprises a supporting ring 201 and a hydraulic telescopic rod 202, a group of hydraulic telescopic rods 202 which can be extended and retracted along the radial direction of the supporting ring 201 are symmetrically arranged on the outer side wall of the supporting ring 201, the supporting assemblies 200 are distributed in the kiln 100 at equal intervals, and the supporting ring 201 is coaxial with the kiln 100. Thus, the kiln 100 body can be effectively supported inside the kiln 100 by the support assembly 200, thereby ensuring that the shape of the kiln 100 body is not deformed
It is worth noting that: the inside of the supporting ring 201 is further provided with a first gyroscope sensor 204, so that the external controller can detect the state of the supporting component 200 according to the first gyroscope sensor 204, thereby determining which hydraulic telescopic rods 202 are in the extended state and which hydraulic telescopic rods 202 are in the retracted state.
The driving assembly 300 is used for driving the kiln 100 to rotate on the central axis thereof.
The driving assembly 300 comprises a driving motor 301, an elastic coupling 302, a driving gear 303, a servo motor 304 and a riding wheel 305, wherein two riding wheels 305 for supporting are symmetrically arranged at each wheel belt 102 on the kiln 100, the riding wheels 305 are driven by the corresponding servo motor 304 to rotate, a limiting ring 306 matched with the wheel belt 102 is further arranged on the riding wheel 305 (so that the kiln 100 can be effectively prevented from being displaced along the axial direction thereof in the rotating process), the driving motor 301 is connected with the driving gear 303 through the elastic coupling 302, and the driving gear 303 is meshed with the driven gear ring 101.
The elastic coupling 302 has good damping and vibration attenuation characteristics, can absorb part of vibration energy to reduce vibration amplitude when passing through a vibration point, and reduces torsional vibration stress of a shaft section; in addition, the coupler also has high elasticity (low rigidity and high flexibility), the rotating angle is 10 degrees when the coupler bears nominal torque, the torsional vibration characteristic of a shafting of the motor power device can be changed by reducing the natural vibration frequency of the shafting by 25 degrees when the maximum torque is reached, so that the motor does not have dangerous resonance rotating speed in a required rotating speed range, the fluctuation of the output torque of the motor can be absorbed and reduced, and the knocking on a gear surface when the torque is changed can be reduced for a motor power device provided with a reduction gear box, so that the service life of the gear is prolonged.
The driving motor 301 is used to provide a main power source for the kiln 100 to rotate, and the servo motor 304 is used to assist the driving motor 301, so as to reduce the maximum output torque required by the driving motor 301.
The casting assembly 400 includes a work vehicle 410 and a casting unit 420 disposed on a platform.
The pouring unit 420 comprises a transfer pump 421, a guniting pipe 422, a feeding pipe 423, an electric control telescopic boom 424 and an electric telescopic scraper 425, the transfer pump 421 is arranged at the top of the work vehicle 410, the guniting pipe 422 and the feeding pipe 423 are respectively arranged at the output end and the input end of the transfer pump 421, the electric control telescopic boom 424 is installed on the work vehicle 410, the electric control telescopic boom 424 and the guniting pipe 422 both extend out of the front end of the work vehicle 410, the electric telescopic scraper 425 is arranged at the front end of the electric control telescopic boom 424, and the telescopic direction of the electric telescopic scraper is downward.
A second gyro sensor 426 is also mounted on work vehicle 410, wherein second gyro sensor 426 is operative to sense a current attitude of work vehicle 410 to provide a basis for an external controller to adjust the rotational speed and steering of each of mecanum wheels 411 on work vehicle 410.
It is worth noting that: the orifice of the output end of the guniting pipe 422 is arranged on one side of the electric telescopic scraper 425.
It is worth noting that: an ultrasonic vibrator and an electric heating wire are embedded in the end of the free end of the electric telescopic scraper 425. Thus, the plate body at the lower end of the electric telescopic scraper 425 can vibrate through the ultrasonic vibrator, and the slurry on the inner wall of the kiln 100 is uniformly vibrated and compacted through the vibration; the end of the lower end plate body of the electric telescopic scraper 425 is raised to a specified temperature by the electric heating wire, so that the drying speed of the slurry is accelerated in the process of leveling the slurry by the electric telescopic scraper 425.
It is worth noting that: the end of the free end of the electric telescopic scraper 425 is further provided with a pair of arc plates 427 facing one side of the guniting pipe 422, and the plate body and the telescopic direction of the electric telescopic scraper 425 are along the radial direction of the kiln 100.
It is worth noting that: the rear end of the work vehicle 410 is provided with a first distance sensor 412 so that the external controller can indirectly monitor the position of the work vehicle 410 in the kiln 100 by detecting the distance between the work vehicle 410 and the opening of the kiln 100 through the first distance sensor 412, so that the external controller can accurately position the work vehicle 410 at a designated position in the kiln 100.
The fixed part of the electric telescopic rod scraper is also provided with a ray nondestructive flaw detector 428 and a second distance sensor 429, and the detection visual angles of the ray nondestructive flaw detector 428 and the second distance sensor 429 are all along the radial direction of the kiln 100. The external controller can then detect whether there is a hidden flaw inside the slurry layer by accurately and visually imaging the slurry layer through the radiographic nondestructive inspection device 428 to obtain a top perspective view thereof. The external controller can detect the distance between the surface of the slurry layer and the fixed part of the electric telescopic blade 425 through the second distance sensor 429, thereby indirectly detecting the thickness of the current slurry layer.
The maintenance pipe 500 is further coaxially connected inside the kiln 100 in a penetrating manner, the maintenance pipe 500 is rotatably connected with the support ring 201, two cavities 501 isolated from each other up and down are arranged inside the maintenance pipe 500, nozzles 502 are densely distributed on the pipe bodies at the upper end and the lower end of the maintenance pipe 500 along the axial direction of the maintenance pipe 500, and the input ends of the nozzles 502 are communicated with the corresponding cavities 501.
A power supply brush 503 is arranged at the rotary connection position of the maintenance pipe 500 and the supporting ring 201, and a power receiving brush 203 matched with the power supply brush 503 is arranged on the inner ring side of the supporting ring 201; the projection of the nozzle 502 in the axial direction of the service pipe 500 is completely inside the projection of the power supply brush 503 in the axial direction of the service pipe 500, which ensures that the service pipe 500 can successfully pass through the inner ring side of the support ring 201.
A construction process of high nickel matte rotary kiln roasting section pouring construction equipment comprises the following steps:
s1, the supporting assemblies 200 are uniformly arranged in the kiln 100 along the axial direction thereof, and all the hydraulic telescopic rods 202 on the supporting assemblies 200 are extended by a designated length, so that the hydraulic telescopic rods 202 tightly abut against the inner wall of the kiln 100.
S2, the kiln 100 is laid flat on the drive assembly 300.
S3, the maintenance pipe 500 is coaxially inserted into the kiln 100, and the power supply brush 503 on the maintenance pipe 500 is slidably and frictionally connected to the corresponding power receiving brush 203, and the two cavities 501 on the maintenance pipe 500 are respectively located at the upper and lower ends in the vertical direction.
S4, the end part of the maintenance pipe 500 outside the kiln 100 is fixed, so that the maintenance pipe 500 cannot rotate, then the end parts of the two ends of the maintenance pipe 500 are connected with an air guide pipe and a water guide pipe, wherein the air guide pipe is communicated with a cavity 501 at the upper end of the maintenance pipe 500, the water guide pipe is communicated with a cavity 501 at the lower end of the maintenance pipe 500, and then the air guide pipe and the water guide pipe are respectively connected to the output ends of an air pump and a water pump.
And S5, arranging an air heating device at the input end of the air pump, and arranging a liquid storage tank at the input end of the water pump.
S6, the lead wire 504 penetrating the inner wall of the service pipe 500 is electrically connected to the external power source, so that the hydraulic telescopic rod 202 and the first gyro sensor 204 are powered from the lead wire 504 by the cooperation of the power receiving brush 203 and the power supply brush 503.
S7, the external controller instructs the hydraulic telescoping rod 202 at the lower end in the vertical direction to retract, so that the lower side of the kiln 100 is completely open along the axial direction thereof.
S8, the transition pipes 103 can be fixed and fixed on the two ends of the kiln 100 in a detachable and coaxial manner, so that when the working vehicle 410 is used for lining the inner wall near the end of the kiln 100, the working vehicle 410 can be stopped on the transition pipes 103 instead of being suspended in the air.
And S9, placing two operation vehicles 410 in the kiln 100, leading the two operation vehicles 410 to be in a head-to-head state, and simultaneously leading the feeding pipes 423 at the input ends of the transfer pumps 421 on the two operation vehicles 410 out of the end parts of the corresponding ends of the kiln 100 and connecting the feeding pipes with a material storage tank.
S10, cables 413 are led out from the tail ends of the two working vehicles 410, and the cables 413 are led out from the end parts of the corresponding ends of the kiln 100 and electrically connected with an external controller.
S11, the external controller instructs the air pump to input dry and clean hot air into the air guide pipe, and the closer to the middle of the kiln 100, the greater the air flow on the nozzle 502; this ensures that the gas inside the kiln 100 flows uniformly from the middle to both sides, thereby accelerating the drying speed of the slurry layer.
S12, the external controller instructs the two operation vehicles 410 to move to the middle of the kiln 100, and then instructs the driving motor 301 and the servo motor 304 to operate at a designated power, so that the kiln 100 rotates at a designated angular velocity, and at the same time, the external controller instructs the operation vehicles 410 to move at a designated velocity in the tangential direction of the inner wall of the kiln 100 and against the rotation direction of the kiln 100, so as to ensure that the operation vehicles 410 are always in the bottom state of the kiln 100 without changing the axial position.
S13, the external controller instructs the electric telescopic scraper 425 to extend a specified length, and then instructs the transfer pump 421 to spray a specified amount of slurry to the inner wall of the kiln 100 through the slurry spraying pipe 422 at a specified flow rate, and in the process, the bottom of the electric telescopic scraper can evenly spread the sprayed slurry.
S14, simultaneously with S13: the external controller instructs the electric heating wire and the ultrasonic vibrator to start, so that the smearing degree and speed of the sizing agent on the inner wall of the kiln 100 are further improved through the ultrasonic vibrator, the bottom of the electric telescopic scraper 425 reaches the specified temperature through the electric heating wire, and the drying of the sizing agent on the inner wall of the kiln 100 is accelerated.
S15, simultaneously with S13: the external controller instructs the electrically controlled telescopic boom 424 to make reciprocating telescopic movement, so that the electrically controlled telescopic scraper can uniformly coat the slurry on the inner wall of the kiln 100, and in the process, the external controller monitors whether the inside of the slurry layer on the inner wall of the kiln 100 is tightly compacted or not in real time through the ray type nondestructive inspection device 428, and simultaneously, the external controller also monitors whether the thickness of the slurry layer is consistent or not in real time through the second distance sensor 429.
And S16, if the external controller detects cracks or uneven thickness of the slurry layer in the S15, the external controller instructs the electric telescopic scraper 425 to move to the position where the defect is located in the axial direction of the kiln 100, and instructs the electric telescopic scraper 425 to extend for a specified length so as to repair the defect, and after the defect is repaired, the external controller instructs the electric telescopic scraper 425 to retract and the electric telescopic boom 424 still performs reciprocating telescopic motion so as to ensure that the thickness of the slurry layer is consistent and the inside is tight and has no hidden damage.
And S17, after the processes of S13-S16 are finished, namely the slurry layer is dried, the external controller instructs the operation vehicle 410 to move backwards along the axial direction of the kiln 100 by a specified length, and then the processes of S13-S16 are sequentially repeated until a layer of slurry is poured on the inner wall of the kiln 100 and the slurry layer is dried and molded.
S18, repeating the above S12 to S17 in sequence following the above S17 until the inner lining of the inner wall of the kiln 100 reaches a predetermined thickness.
S19, a user instructs the driving motor 301 and the servo motor 304 to stop through an external controller, instructs the operation vehicle 410 to withdraw from the inside of the kiln 100, removes the maintenance pipe 500, then the user is provided with the annular supporting members 600 at equal intervals in the kiln 100, then sequentially removes and replaces the supporting assemblies 200 with the star-shaped brackets 700, and then the user manually repairs the lining at the contact point of the star-shaped brackets 700 and the inner wall of the kiln 100 at a fixed point, so that the lining on the inner wall of the kiln 100 is in a state of uniform thickness and compact compactness at all places.
The following matters need to be noted in the whole process of the construction process:
in S5, the input end of the air heating device is connected with an air filter, so that the inside of the kiln 100 is always filled with clean air in the whole pouring process, the dust in the air is prevented from being attached to a slurry layer to cause pollution, and the performance index of the lining is effectively guaranteed to reach the standard.
In S7, with the direction of rotation being 90 ° vertically upward and in the direction of rotation toward 90 ° being the direction of rotation of the kiln 100, the hydraulic telescoping rod 202, which is in the range of 225 ° -315 °, is in a fully retracted state, and 220 ° begins to retract when the hydraulic telescoping rod 202 is close, and begins to elongate when the hydraulic telescoping rod 202 is away from 315 °; in this way, the working vehicle 410, the cable 413, the feeding pipe 423 and the like can be prevented from being twisted by the hydraulic telescopic rod 202 during the rotation of the kiln 100. (in addition, the angle range in which the hydraulic telescopic rod 202 is specifically in the extended or shortened state can be set manually according to actual needs).
At S8, a baffle 104 engaged with the second distance sensor 429 is rotatably connected to the outer end of the transition pipe 103 at the nozzle.
At S8, the length of transition tube 103 is greater than the sum of the vehicle length of work vehicle 410 plus the maximum arm length of electrically controlled telescopic boom 424.
In S9 and S10, bearings 801 are arranged on the feeding pipe 423 and the cable 413 at equal intervals (so that friction between the feeding pipe 423 and the cable 413 and the inner wall or the lining of the kiln 100 can be avoided, and meanwhile, the feeding pipe 423 and the cable 413 are always positioned at the bottom of the kiln 100 under the action of self gravity), and the surfaces of the feeding pipe 423 and the cable 413 are coated with heat insulation layers 800, so that high temperature inside the kiln 100 can be effectively blocked outside, interference of the high temperature on normal signal transmission of the cable 413 is prevented, and influence of the high temperature on viscosity of slurry in the feeding pipe 423 is also prevented.
In S11, the two ends of the kiln 100 are both provided with the air blowers 900, so as to accelerate the air circulation inside the kiln 100, thereby increasing the drying speed of the slurry layer and effectively preventing the outside air (dust particles) from entering the kiln 100.
At S12, when the kiln 100 is rotating, the guniting pipe 422 of each work vehicle 410 is at the front end of the electric telescopic scraper 425, i.e. the two work vehicles 410 are in mirror image relation inside the kiln 100.
In S13, a slurry is prepared by mixing a refractory powder with a solvent.
At S13, the extension length of the guniting pipe 422 on the transfer pump 421 is also controlled by the external controller, so that the external controller can instruct the nozzle of the guniting pipe 422 to move to the defect (because the work vehicle 410 needs to keep the position unchanged in the axial direction of the kiln 100), thereby performing targeted slurry replenishment on the defect.
In S17, the external controller determines whether the slurry layer is completely dried based on the results from the second distance sensor 429 and the radial nondestructive inspection device 428, that is, the external controller does not detect the condition that the slurry layer has an uneven thickness and a hidden flaw inside the slurry layer during a continuous specified period of time.
In S18, the liner is a substitute for the slurry layer after drying and forming.
In the process of S12-S18, the external controller instructs the nozzle 502 of the maintenance pipe 500 to regularly spray a specified amount of water on the surface of the dried and molded lining, and in the process, the lining is further dried by hot air released from the maintenance pipe 500, so that the maintenance is performed in the whole process of drying and molding the slurry layer, cracks on the surface of the slurry layer in the solidification process can be avoided, and the quality of the slurry layer after solidification and molding can be effectively improved.
In S19, the outer ring side of the ring-shaped supporting member 600 is in contact with the lining, and the portion of the ring-shaped supporting member 600 in contact with the lining is the inflatable air bag 601, so that not only the kiln 100 can be effectively supported by the air bag, but also the air bag can effectively protect the dried and formed lining from being damaged.
In S19, the spider 700 is made of a metal material, and the support portion on the outer ring side of the spider 700 is in contact with and fixed to the inner wall of the kiln 100.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. The utility model provides a high nickel matte rotary kiln calcination section pouring construction equipment which characterized in that: comprises a supporting assembly (200), a driving assembly (300) and a pouring assembly (400) which are controlled by an external controller;
a driven gear ring (101) and a belt wheel (102) which are coaxial with the kiln (100) are fixedly arranged on the outer side wall of the kiln (100), the inside of the kiln (100) is completely hollow, and the kiln (100) is in a completely flat state;
the supporting assembly (200) is detachably and fixedly arranged inside the kiln (100);
the driving assembly (300) is used for driving the kiln (100) to rotate on the central axis thereof;
the casting assembly (400) comprises a work vehicle (410) and a casting unit (420) arranged on a platform.
2. The high nickel matte rotary kiln roasting section pouring construction equipment according to claim 1, characterized in that the support assembly (200) comprises a support ring (201) and a hydraulic telescopic rod (202), a group of hydraulic telescopic rods (202) which are telescopic along the radial direction of the support ring (201) is symmetrically arranged on the outer side wall of the support ring (201), the support assemblies (200) are distributed in the kiln (100) at equal intervals, and the support ring (201) is coaxial with the kiln (100).
3. The high nickel matte rotary kiln roasting section pouring construction equipment as claimed in claim 2, characterized in that a maintenance pipe (500) is coaxially connected inside the kiln (100) in a penetrating manner, the maintenance pipe (500) is rotatably connected with the support ring (201), two cavities (501) isolated from each other up and down are arranged inside the maintenance pipe (500), nozzles (502) are densely distributed on the pipe bodies at the upper end and the lower end of the maintenance pipe (500) along the axial direction of the maintenance pipe (500), and the input ends of the nozzles (502) are communicated with the corresponding cavities (501);
a first gyroscope sensor (204) is further arranged inside the supporting ring (201).
4. The high nickel matte rotary kiln roasting section pouring construction equipment as claimed in claim 3, characterized in that a power supply electric brush (503) is arranged at the rotary joint of the maintenance pipe (500) and the support ring (201), and a power receiving electric brush (203) matched with the power supply electric brush (503) is arranged on the inner ring side of the support ring (201); the projection of the nozzle (502) in the axial direction of the service pipe (500) is completely located within the projection of the power supply brush (503) in the axial direction of the service pipe (500).
5. The high nickel matte rotary kiln roasting section pouring construction equipment according to claim 1, characterized in that the driving assembly (300) comprises a driving motor (301), an elastic coupling (302), a driving gear (303), a servo motor (304) and riding wheels (305), two riding wheels (305) for supporting are symmetrically arranged at each wheel belt (102) on the kiln (100), the riding wheels (305) are driven by the corresponding servo motor (304) to rotate, limiting rings (306) matched with the wheel belts (102) are further arranged on the riding wheels (305), the driving motor (301) is connected with the driving gear (303) through the elastic coupling (302), and the driving gear (303) is meshed with the driven gear ring (101).
6. The high nickel matte rotary kiln roasting section pouring construction equipment as claimed in claim 1, mecanum wheels (411) are symmetrically arranged on the body of the working vehicle (410), the pouring unit (420) comprises a transfer pump (421), a guniting pipe (422), a feeding pipe (423), an electric control telescopic boom (424) and an electric telescopic scraper (425), the transfer pump (421) is arranged at the top of the operation vehicle (410), the guniting pipe (422) and the feeding pipe (423) are respectively arranged at the output end and the input end of the transfer pump (421), the electric control telescopic boom (424) is arranged on the operation vehicle (410), and the electric control telescopic boom (424) and the guniting pipe (422) both extend out from the front end of the operation vehicle (410), the electric telescopic scraper (425) is arranged at the front end of the electric control telescopic boom (424), and the telescopic direction of the electric telescopic rod faces downwards.
7. The high nickel matte rotary kiln roasting section pouring construction equipment as claimed in claim 6, wherein the nozzle of the output end of the guniting pipe (422) is arranged at one side of the electric telescopic scraper (425);
a second gyroscope sensor (426) is also mounted on the working vehicle (410);
an ultrasonic vibrator and an electric heating wire are embedded in the end part of the free end of the electric telescopic scraper (425);
the end part of the free end of the electric telescopic scraper (425) is also provided with a pair of arc-shaped plates (427) facing one side of the guniting pipe (422), and the plate body and the telescopic direction of the electric telescopic scraper (425) are along the radial direction of the kiln (100);
the rear end of the working vehicle (410) is provided with a first distance sensor (412).
8. The high nickel matte rotary kiln roasting section pouring construction equipment is characterized in that a ray type nondestructive inspection device (428) and a second distance sensor (429) are further arranged on the fixing portion of the electric telescopic rod scraper, and the detection visual angles of the ray type nondestructive inspection device (428) and the second distance sensor (429) are along the radial direction of the kiln (100).
9. The construction process of the high nickel matte rotary kiln roasting section pouring construction equipment according to the claims 1-8, characterized by comprising the following steps:
s1, uniformly arranging the supporting assemblies (200) in the kiln (100) along the axial direction thereof, and extending all the hydraulic telescopic rods (202) on the supporting assemblies (200) by a specified length so that the hydraulic telescopic rods (202) tightly abut against the inner wall of the kiln (100);
s2, horizontally placing the kiln (100) on the driving assembly (300);
s3, coaxially connecting the maintenance pipe (500) in the kiln (100) in a penetrating way, connecting a power supply electric brush (503) on the maintenance pipe (500) with a corresponding power receiving electric brush (203) in a sliding friction way, and respectively enabling two cavities (501) on the maintenance pipe (500) to be positioned at the upper end and the lower end in the vertical direction;
s4, fixing the end part of the maintenance pipe (500) outside the kiln (100) so that the maintenance pipe (500) can not rotate, then connecting an air duct and a water guide pipe to the end parts of the two ends of the maintenance pipe (500), wherein the air duct is communicated with a cavity (501) at the upper end of the maintenance pipe (500), the water guide pipe is communicated with a cavity (501) at the lower end of the maintenance pipe (500), and then the air duct and the water guide pipe are respectively connected to the output ends of an air pump and a water pump;
s5, arranging an air heating device at the input end of the air pump and arranging a liquid storage tank at the input end of the water pump;
s6, electrically connecting a lead wire (504) penetrating into the inner wall of the maintenance pipe (500) with an external power supply, so that the hydraulic telescopic rod (202) obtains electricity from the lead wire (504) through the matching of the power receiving electric brush (203) and the power supply electric brush (503);
s7, the external controller instructs the hydraulic telescopic rod (202) at the lower end in the vertical direction to contract, so that the lower part of the kiln (100) is in a completely communicated state along the axial direction;
s8, the two ends of the kiln (100) can be also detachably and coaxially fixedly provided with transition pipes (103) matched with the two ends of the kiln;
s9, placing two operation vehicles (410) in the kiln (100), leading the two operation vehicles (410) in an end-to-end state, and simultaneously leading out the feeding pipes (423) at the input ends of the transfer pumps (421) on the two operation vehicles (410) from the end parts of the corresponding ends of the kiln (100) and connecting the feeding pipes with a material storage tank;
s10, leading out cables (413) at the tail parts of the two working vehicles (410), and simultaneously leading out the cables (413) from the end parts of the corresponding ends of the kiln (100) and electrically connecting the cables with an external controller;
s11, the external controller instructs the air pump to input dry and clean hot air into the air guide pipe, and the closer to the middle part of the kiln (100), the larger the air flow on the nozzle (502);
s12, the two operation vehicles (410) are instructed to move to the middle part of the kiln (100) by the external controller, then the external controller instructs the driving motor (301) and the servo motor (304) to operate at a specified power, so that the kiln (100) rotates at a specified angular speed, and meanwhile, the external controller also instructs the operation vehicles (410) to drive at a specified speed along the tangential direction of the inner wall of the kiln (100) and against the rotating direction of the kiln (100), so that the operation vehicles (410) are ensured to be always in the state of the bottom of the kiln (100) on the premise of not changing the axial position;
s13, the external controller instructs the electric telescopic scraper (425) to extend for a specified length, and then instructs the transfer pump (421) to spray a specified amount of slurry to the inner wall of the kiln (100) through the slurry spraying pipe (422) at a specified flow rate, and in the process, the bottom of the electric telescopic scraper can evenly spread the sprayed slurry;
s14, simultaneously with S13: the external controller instructs the electric heating wire and the ultrasonic vibrator to start, so that the smearing degree and the smearing speed of the sizing agent on the inner wall of the kiln (100) are further improved through the ultrasonic vibrator, and the bottom of the electric telescopic scraper (425) reaches the specified temperature through the electric heating wire, so that the drying of the sizing agent on the inner wall of the kiln (100) is accelerated;
s15, simultaneously with S13: the external controller instructs the electric control telescopic boom (424) to do reciprocating telescopic motion, so that the electric control telescopic scraper can uniformly coat the slurry on the inner wall of the kiln (100), and in the process, the external controller monitors whether the inside of a slurry layer on the inner wall of the kiln (100) is tightly compacted or not in real time through the ray type nondestructive inspection device (428), and simultaneously monitors whether the thickness of the slurry layer is consistent or not in real time through the second distance sensor (429);
s16, if the external controller detects cracks or uneven thickness of the slurry layer in the S15, the external controller instructs the electric telescopic scraper (425) to move to the position where the defect is located on the axial direction of the kiln (100) and instructs the electric telescopic scraper (425) to extend for a specified length so as to repair the defect, and after the defect is repaired, the external controller instructs the electric telescopic scraper (425) to retract and the electric control telescopic boom (424) to still do reciprocating telescopic motion so as to ensure that the thickness of the slurry layer is consistent and the inside is tight and has no hidden damage;
s17, after the processes of S13-S16 are finished, namely after the slurry layer is dried, an external controller instructs the operation vehicle (410) to move backwards for a specified length along the axial direction of the kiln (100), and then the steps of S13-S16 are repeated in sequence until a layer of slurry is poured on the inner wall of the kiln (100) and the slurry layer is dried and formed;
s18, repeating the steps S12 to S17 in sequence next to the step S17 until the inner lining of the inner wall of the kiln (100) reaches the specified thickness;
s19, a user instructs the driving motor (301) and the servo motor (304) to stop through an external controller, instructs the operation vehicle (410) to withdraw from the inside of the kiln (100), then removes the maintenance pipe (500), then the user equally arranges the annular supporting pieces (600) in the kiln (100), then sequentially removes the supporting components (200) and replaces the supporting components with the star-shaped supports (700), and then the user manually repairs the lining at the contact point of the star-shaped supports (700) and the inner wall of the kiln (100) at a fixed point, so that the lining on the inner wall of the kiln (100) is in a state of uniform thickness and compact compactness at all positions.
10. The construction process of the high nickel matte rotary kiln roasting section pouring construction equipment according to claim 9, characterized in that:
in S5, an air filter is connected to an input end of the air heating device;
in the S7, the direction which is vertically upward and is rotated towards the direction of 90 degrees is the rotating direction of the kiln (100), the hydraulic telescopic rod (202) within the range of 225-315 degrees is in a fully contracted state, 220 degrees starts to contract when the hydraulic telescopic rod (202) approaches, and the hydraulic telescopic rod (202) starts to elongate when the hydraulic telescopic rod (202) leaves 315 degrees;
in the S8, a baffle (104) matched with a second distance sensor (429) is also rotatably connected to the nozzle of the outer end of the transition pipe (103);
in the step S8, the length of the transition pipe (103) is greater than the sum of the vehicle length of the working vehicle (410) and the maximum arm length of the electric control telescopic boom (424);
in the S9 and S10, bearings (801) are arranged on the feeding pipe (423) and the cable (413) at equal intervals, and the surfaces of the feeding pipe (423) and the cable (413) are coated with heat insulation layers (800);
in the step S11, both ends of the kiln (100) are provided with an air extractor (900);
in the step S12, when the kiln (100) rotates, the guniting pipe (422) on each working vehicle (410) is arranged at the front end of the electric telescopic scraper (425);
in S13, the slurry is prepared by mixing refractory powder and a solvent;
in the S13, the protruding length of the guniting pipe (422) on the transfer pump (421) is also controlled by an external controller;
in S17, the external controller determines whether the slurry layer is completely dried according to the results from the second distance sensor (429) and the radiation-type nondestructive inspection device (428), that is, in the process of continuing for a specified time, the external controller does not detect the condition that the slurry layer has uneven thickness and hidden damage inside;
in S18, the lining is a substitute of the slurry layer after drying and forming;
in the process of S12-S18, the external controller instructs a nozzle (502) of the maintenance pipe (500) to regularly spray a specified amount of water on the surface of the dried and formed lining, and in the process, the lining is further dried by hot air released from the maintenance pipe (500), so that the maintenance is carried out in the whole process of drying and forming the slurry layer;
in the S19, the outer ring side of the annular support (600) is in contact with the liner, and the portion of the annular support (600) in contact with the liner is an inflatable bladder (601);
in the S19, the spider 700 is made of a metal material, and the support part on the outer ring side of the spider 700 is in contact with and fixed to the inner wall of the kiln 100.
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| CN202210241965.4A CN114739183B (en) | 2022-03-11 | 2022-03-11 | High nickel matte rotary kiln roasting section pouring construction equipment and construction process |
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| CN116372150A (en) * | 2023-05-31 | 2023-07-04 | 亿川科技(成都)有限责任公司 | Automatic construction and beating system and method for ladle maintenance |
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