CN114772495A - Jacking and sliding device, system and method for blast furnace body - Google Patents
Jacking and sliding device, system and method for blast furnace body Download PDFInfo
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- CN114772495A CN114772495A CN202210309912.1A CN202210309912A CN114772495A CN 114772495 A CN114772495 A CN 114772495A CN 202210309912 A CN202210309912 A CN 202210309912A CN 114772495 A CN114772495 A CN 114772495A
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000008569 process Effects 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 239000004809 Teflon Substances 0.000 claims description 9
- 229920006362 Teflon® Polymers 0.000 claims description 9
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 44
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
- B66C13/085—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a blast furnace body jacking sliding device, a system and a method, comprising a sliding chute, a sliding shoe and a push-pull device; the sliding shoes and the push-pull device are controlled to alternately move in the sliding grooves through the expansion of the push-pull device oil cylinder and the action of the counter-force seat, so that the furnace body is driven to reach a specified position, and the position deviation is adjusted. The device and the method can better serve the blast furnace overhaul project, realize the quick jacking and sliding of the blast furnace body in the blast furnace overhaul construction process, move the blast furnace body to a specified place, improve the blast furnace overhaul project efficiency, save the project time and reduce the potential safety hazard in the construction process. The efficiency and the synchronism of the jacking sliding project of the blast furnace overhaul are improved. Meanwhile, the scheme realizes the automation of jacking and sliding engineering of blast furnace overhaul, and is safer and more reliable.
Description
Technical Field
The invention relates to the technical field of metallurgical engineering building construction, in particular to a blast furnace body jacking and sliding device, system and method.
Background
At present, 4000m is used in China3The blast furnaces with 23 blast furnaces are estimated according to 15-20 years of first-generation furnace age, and about 50 percent of the blast furnaces with 4000m in the next 5 years3In addition, the blast furnace is to be subjected to overhaul transformation, the traditional blast furnace overhaul construction technology comprises the steps of dismantling and installing in parts, and the engineering dismantling or installing quantities reach tens of thousands of tons.
This method has major drawbacks, mainly: the method has the advantages of large online construction work amount, more high-place operation, large connection difficulty of each process, large mutual influence of cross operation, more uncertain factors, long online construction time, long occupation time of large-scale hoisting equipment, limited construction plane, large influence on logistics and the like of the whole production field, incapability of meeting the requirements of short-term construction period and safety of the large-scale blast furnace, and becoming a bottleneck for reducing cost and improving benefit of enterprises.
Disclosure of Invention
Due to the defects in the prior art, the invention provides a jacking sliding device, a jacking sliding system and a jacking sliding method for a blast furnace body, and aims to solve the problem that the installation time of a hydraulic pipeline is long in the construction and installation process of the existing jacking sliding equipment.
In order to achieve the purpose, the invention provides the following technical scheme:
a blast furnace body jacking and sliding device comprises a chute, a sliding shoe and a push-pull device; the sliding shoes are arranged in the sliding grooves, and a plurality of sliding groove counter-force seats are arranged on the side surfaces of the sliding grooves at intervals; a push-pull oil cylinder is arranged on the push-pull device; a jacking oil cylinder is arranged in the middle of the sliding shoe, and a transverse deviation rectifying oil cylinder is arranged on the side surface of the jacking oil cylinder; the sliding shoes are fixedly connected with the push-pull oil cylinder; the push-pull device and the sliding groove are sequentially connected with the sliding groove counter-force seats in a clamping manner through the push-pull device locking hook; the sliding shoes and the push-pull device alternately move along the sliding grooves to drive the top of the blast furnace above the sliding shoes to slide to a target position.
The sliding groove comprises a sliding groove bottom plate and a sliding groove side plate, a Teflon plate is arranged on the sliding groove bottom plate, and the sliding shoe slides on the Teflon plate; a plurality of sliding chute counter-force seats are arranged at the outer side of the sliding chute side plate at intervals.
The push-pull device comprises a push-pull device body and a push-pull oil cylinder; a push-pull oil cylinder is arranged in the middle of the push-pull device body; the two sides of the push-pull device body are provided with check blocks, the outer sides of the check blocks are provided with balancing weights, the front ends of the check blocks are provided with idler wheels, and the idler wheels move along the sliding grooves.
The sliding shoe comprises a sliding shoe main body, a jacking jack is arranged in the middle of the sliding shoe main body, and a hydraulic valve bank is arranged close to the end part of the sliding shoe main body; the front end and the rear end of the sliding shoe main body are provided with connecting hinged supports, and the push-pull oil cylinder is connected with the hinged support at the front end; the top of the jack is provided with a load-sharing beam, and the side is provided with a deviation-correcting jack.
A guide wheel is arranged on the side surface of the connecting hinged support; a transverse base is arranged above the sliding shoe main body, a jacking jack is installed in the transverse base, and a deviation correcting jack is installed on the side face of the transverse base and connected with the jacking jack through a pin shaft.
A blast furnace body jacking and sliding system comprises a plurality of blast furnace body jacking and sliding devices, an electrical synchronization module and a hydraulic control module for controlling the plurality of blast furnace body jacking and sliding devices, and a hydraulic pump station connected with the hydraulic module; the hydraulic control module comprises a jacking deviation rectifying synchronous hydraulic part and a push-pull synchronous hydraulic part, each blast furnace body jacking sliding device is independently controlled through an independent controller, all the controllers are connected through a bus, and synchronous control data and interactive control data are shared.
The device also comprises a standby controller which is connected with the controller of the blast furnace body jacking sliding device in a replacement way through a quick plug.
A method for jacking and sliding a blast furnace body comprises the following steps of firstly, opening a channel at the bottom of a blast furnace, arranging a blast furnace body jacking and sliding device in the channel, and arranging a controller, an electric synchronization module, a hydraulic control module and a hydraulic pump station outside the channel; secondly, connecting pipelines and lines among a blast furnace body jacking sliding device, a controller, an electric synchronization module, a hydraulic control module and a hydraulic pump station; thirdly, controlling the jacking jacks of all the sliding shoes to perform pre-jacking operation, and setting a new zero value; then, controlling all the jacking jacks to lift to a set height, and maintaining the current pressure value; and finally, controlling the push-pull device to synchronously push out or retract, and pushing the front sliding shoe to move until the furnace body reaches the designated position.
The jacking and sliding of the blast furnace body comprises the moving-out of an old furnace body and the replacement of a new furnace body, wherein,
in the moving-out process of the old furnace body, after the old furnace body is moved to a specified position, controlling the jacking jacks of all the sliding shoes to retract, enabling the old furnace body to fall onto a preset supporting seat, and continuing to retract the jacking jacks to enable the sliding shoes to be separated from the old furnace body; removing a connecting pipeline and a circuit of the blast furnace body jacking and sliding device, and moving the blast furnace body jacking and sliding device out of a channel below the blast furnace body;
in the process of replacing a new furnace body, after the new furnace body is moved to a specified position, firstly, the furnace body is driven to move longitudinally by operating a push-pull oil cylinder, and the longitudinal deviation is adjusted; secondly, adjusting the transverse deviation by adjusting a transverse deviation rectifying jack cylinder until a new furnace body is adjusted to a target position; then, controlling the jacking jacks of all the sliding shoes to retract, enabling the new furnace body to fall onto a preset supporting seat, and continuing retracting the jacking jacks to separate the sliding shoes from the old furnace body; and finally, removing the connecting pipeline and the circuit of the blast furnace body jacking and sliding device, and moving the blast furnace body jacking and sliding device out of the passage below the blast furnace body.
The specific process of adjusting the transverse deviation correction is as follows:
firstly, determining the transverse deviation direction and determining the working direction of a correction jack cylinder; and then, controlling an oil cylinder of the deviation rectifying jack to move towards the direction of eliminating the transverse deviation to drive the furnace body to move until the transverse deviation is adjusted in place, and stopping operation.
Compared with the prior art, the invention has the following advantages or beneficial effects:
1. the device and the method can better serve the blast furnace overhaul project, realize quick jacking and sliding of the blast furnace body in the blast furnace overhaul construction process, move the blast furnace body to a specified place, improve the blast furnace overhaul project efficiency, save the project time and reduce the potential safety hazard in the construction process.
2. The hydraulic valve bank is arranged on the sliding shoe, and the valve bank is connected with the jack by adopting a hydraulic hose or a hydraulic hard pipe; the hydraulic oil pipe between the pump station and the sliding shoe is only provided with one oil inlet pipe and one oil outlet pipe, so that the number of pipelines between the pump station and the sliding shoe is reduced, the efficiency of field installation and construction is improved, and the time is saved.
3. The scheme improves the efficiency and the synchronism of the jacking sliding engineering of the blast furnace overhaul.
4. The scheme realizes the automation of the jacking and sliding engineering of the blast furnace overhaul, and is safer and more reliable.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a structural front view of the blast furnace body jacking and sliding device of the invention.
Fig. 2 is a schematic structural perspective view of the blast furnace body jacking and sliding device of the invention.
FIG. 3 is a schematic view of the chute structure of the blast furnace body jacking sliding device of the present invention.
Fig. 4 is three views of a push-pull device of the blast furnace body jacking sliding device of the invention, wherein a is a front view, b is a side view, and c is a top view.
Fig. 5 is a perspective view of a push-pull device of the blast furnace body jacking sliding device.
FIG. 6 is a schematic view of the structure of the sliding shoe of the jacking sliding device of the blast furnace body.
FIG. 7 is a circuit diagram of the jacking deviation rectifying synchronous hydraulic control of the blast furnace body jacking sliding system of the invention.
FIG. 8 is a circuit diagram of the push-pull synchronous hydraulic control of the blast furnace body jacking sliding system of the present invention.
FIG. 9 is a control circuit topology diagram of the jacking sliding system of the blast furnace body of the invention.
FIG. 10 is a schematic view of a control interface of the jacking sliding system of the blast furnace body.
Fig. 11 is an overall front view of the arrangement of the jacking and sliding device of the lower section of the blast furnace body in the jacking and sliding method of the blast furnace body.
FIG. 12 is a general top view of the arrangement of the jacking and sliding device for the lower section of the blast furnace body according to the jacking and sliding method for the blast furnace body of the present invention.
Fig. 13 is an overall front view of the arrangement of the jacking and sliding device of the upper section of the blast furnace body in the jacking and sliding method of the blast furnace body.
FIG. 14 is the general top view of the arrangement of the jacking and slipping device at the upper section of the blast furnace body in the jacking and slipping method of the blast furnace body.
Wherein, 1-a chute; 2-a push-pull device; 3-a slipper; 4-chute side plates; 5-Teflon plate; 6-chute bottom plate; 7-rib plates; 8-a counter-force seat; 9-push-pull oil cylinder; 10-a push-pull body; 11-a stop block; 12-a counterweight block; 13-a roller; 14-a reaction bar; 15-hydraulic valve group; 16-a jacking jack; 17-load sharing beam; 18-deviation rectifying jacks; 19-the slipper body.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
A blast furnace body jacking and sliding device comprises a chute, a sliding shoe and a push-pull device; the sliding shoes are arranged in the sliding grooves, and a plurality of sliding groove counter-force seats are arranged on the side surfaces of the sliding grooves at intervals; a push-pull oil cylinder is arranged on the push-pull device; a jacking oil cylinder is arranged in the middle of the sliding shoe, and a transverse deviation rectifying oil cylinder is arranged on the side surface of the jacking oil cylinder; the sliding shoes are fixedly connected with the push-pull oil cylinder; the push-pull device and the sliding groove are sequentially connected with the sliding groove counter-force seats in a clamping manner through the push-pull device locking hook; the sliding shoes and the push-pull device alternately move along the sliding grooves to drive the top of the blast furnace above the sliding shoes to slide to a target position.
In a specific embodiment, as shown in figures 1 to 6,
a blast furnace body jacking and sliding device comprises a single group of devices, a sliding groove 1, a sliding shoe 3, a push-pull device 2, accessories and the like; the sliding shoes 3 are arranged inside the sliding chutes 1 and are connected with the push-pull oil cylinders arranged on the push-pull devices through pin shafts; a chute counter-force seat 8 is arranged on the side surface of the chute 1; a push-pull oil cylinder 9 is arranged on the push-pull device 2; the middle of the sliding shoe 3 is provided with a jacking oil cylinder, and the side surface of the jacking oil cylinder is provided with a transverse deviation rectifying oil cylinder for adjusting the left and right positions when the furnace body is installed; the sliding shoes 3 are connected with the push-pull oil cylinder 9 by pin shafts; the push-pull device is fixedly connected with the sliding chute counter-force seat 8 through a push-pull device locking hook.
The sliding chute is integrally designed and comprises a sliding chute bottom plate 6 and a sliding chute side plate 4, a Teflon plate 5 is arranged on the sliding chute bottom plate 6, the sliding shoes 3 slide on the Teflon plate 5, the dynamic friction coefficient of the Teflon plate is extremely low, and the friction resistance is small when the sliding shoes slide on the Teflon plate, so that the sliding shoes can be more easily pushed by a push-pull oil cylinder of the push-pull device; a plurality of chute counter-force seats 8 are arranged at the outer side of the chute side plate 4 at intervals, and a counter-force rod on the push-pull device is connected with the counter-force seats 8 of the chutes to provide support counter-force for the whole push-pull sliding.
The push-pull device comprises a push-pull device body 10 and a push-pull oil cylinder 9; a push-pull oil cylinder 9 is arranged in the middle of the push-pull device body 10, and the push-pull oil cylinder 9 is connected with a hinged support at the front part of the sliding shoe 3 to provide thrust for the push-pull device; two sides of the push-pull device body 10 are provided with push-pull device locking hooks, each push-pull device locking hook comprises a stop block 11, a balancing weight 12 and a reaction rod 14, the balancing weight 12 and the reaction rod 14 are arranged on the outer side of the stop block 11, the balancing weight 12 and the reaction rod 14 are sequentially and movably connected with the stop block 11, and the reaction rod 14 and the balancing weight 12 control the stop block 11 to be clamped and fixed on the reaction seat 8; the front end of the push-pull device body 10 is provided with a roller 13, and the roller 13 moves along the sliding groove; applying a support reaction force to the push-pull device through the stop blocks 11 arranged at the left side and the right side of the push-pull device; the push-pull device body slides on the steel plates on the two sides of the sliding groove through the rollers.
The slipper consists of a plurality of components, mainly: the hydraulic pressure control system comprises a sliding shoe main body 19, a load sharing beam 17, a jacking jack 16, a deviation rectifying jack 18, a hydraulic valve bank 15 and the like; the sliding shoe main body is of a main steel structure, and a stainless steel plate is arranged at the bottom of the sliding shoe main body 19, so that the wear resistance of the bottom is improved, and the friction force during sliding is reduced; the front and the back of the slipper main body 19 are provided with connecting hinged supports which are connected with a push-pull oil cylinder of a push-pull device; the guide wheels are arranged on the side faces of the connecting hinged support, and when the sliding shoes slide, if the sliding directions deflect, the guide wheels on the side faces can prevent the side faces of the sliding shoes from directly contacting and rubbing the sliding grooves; a transverse base is arranged above the sliding shoes, and a jacking jack 16 and a deviation rectifying jack 18 are arranged at the transverse base; the jacking jack 16 is arranged in the transverse moving base on the sliding shoe main body 19; a stainless steel plate is padded between the jacking jack 16 and the transverse moving base so as to reduce the friction force between the jack 18 and the base during deviation rectification; a universal hinge is arranged above the jacking jack 16, and a load sharing beam 17 which is connected with the universal hinge in a matched manner is arranged at the upper part of the universal hinge, so that the phenomenon that the front oil cylinder and the rear oil cylinder are asynchronous in the jacking process and the jack body is damaged is prevented; the deviation rectifying jack is arranged on the side surface of the transverse moving base on the sliding shoe main body; the lifting jack is connected with a pin shaft to drive the lifting jack to move, so that the purpose of correcting deviation is achieved; in the initial state, the deviation rectifying jack is positioned in the middle position.
The hydraulic valve bank is arranged on the sliding shoe, and the hydraulic valve bank is connected with the jack by a hydraulic hose or a hydraulic hard pipe; the hydraulic oil pipe between the pump station and the sliding shoe is only provided with one oil inlet pipe and one oil outlet pipe, so that the number of pipelines between the pump station and the sliding shoe is reduced, the efficiency of field installation and construction is improved, and the time is saved.
The specific application principle and the operation method of the blast furnace body jacking and sliding device are as follows:
firstly, mounting a chute of a blast furnace body jacking sliding device at a specified position, mounting a sliding shoe and a push-pull device on the chute, and connecting the sliding shoe and the push-pull device together;
secondly, controlling a jacking jack on the sliding shoe to jack the blast furnace body to a specified height, and keeping the current state of the jack;
controlling a push-pull device oil cylinder to start synchronous push-out, and pushing a front sliding shoe to a specified position;
fourthly, loosening the connection between the push-pull device body and the counter-force seat, controlling the push-pull device oil cylinder to retract, pulling the push-pull device body to move to the next counter-force seat along the sliding groove, and connecting and fixing the push-pull device body and the next counter-force seat;
and fifthly, repeatedly executing the third step and the fourth step until the blast furnace body reaches the designated position.
The sliding process comprises the steps of moving out the old furnace body and moving in and replacing the new furnace body, and after all the steps are finished, if the new furnace body is replaced, the horizontal and transverse deviation rectifying process is required until the new furnace body reaches the specified target position, and then the subsequent operation is carried out.
The jacking and sliding device for the blast furnace body not only can be applied to sliding of the blast furnace body, but also can be applied to sliding replacement and the like of similar large-scale equipment, and the scheme only takes the blast furnace body as an example for explanation.
A blast furnace body jacking and sliding system comprises a plurality of blast furnace body jacking and sliding devices, an electrical synchronization module and a hydraulic control module which control the plurality of blast furnace body jacking and sliding devices, and a hydraulic pump station connected with the hydraulic module; the hydraulic control module comprises a jacking deviation-rectifying synchronous hydraulic part and a push-pull synchronous hydraulic part, each blast furnace body jacking sliding device is independently controlled through an independent controller, all the controllers are connected through a bus, and synchronous control data and interactive control data are shared.
The device also comprises a standby controller which is connected with the controller of the blast furnace body jacking sliding device in a replacement way through a quick plug.
In a specific embodiment, as shown in figures 7 to 10,
the system comprises a plurality of sliding chutes, a plurality of push-pull devices, a plurality of groups of sliding shoes, a plurality of hydraulic pump stations, an electrical synchronization system and other equipment, and equipment for jacking and sliding construction is selected and allocated according to the weight of a blast furnace body. In this embodiment, 3 sets of blast furnace body jacking sliding devices are used as an example, and the composition, the connection relationship between the devices, and the like are described in further detail.
The embodiment is a modularized single-machine system configuration, the electric control part comprises 4 controllers, each group of blast furnace body jacking sliding devices are controlled by one controller, the other one is a standby controller, all the controllers are connected through a bus, and the controllers can be operated and controlled mutually.
Each controller is provided with 1 PLC electric control cabinet, PROFINET bus communication is adopted among all the controllers, each controller can be used as a host to operate other controllers, and the controllers have set permission and can be used as the host or a slave.
A standby PLC electric cabinet is additionally arranged, the configuration of internal components is consistent with that of each circuit electric cabinet, and a rapid plug plugging replacement technology is adopted to ensure that the components can be directly replaced and used on site when one circuit electric cabinet has a fault.
The operation and setting of the system can adopt a touch screen form, a specific operation interface can be freely set and individualized according to different conditions, specific interface arrangement is not used as limiting setting, and the content mainly comprises all control parameter setting, state display, a control mode parameter setting window, a pump station system state display and control setting window, a signal detection state and setting window and the like.
The drawing shows the whole circuit connection schematic diagram, and part of the reference numerals are not clear, so that the disclosure of the whole technical scheme and the specific substantive content to be protected are not influenced.
A method for jacking and sliding a blast furnace body comprises the following steps of firstly, opening a channel at the bottom of a blast furnace, arranging a blast furnace body jacking and sliding device in the channel, and arranging a controller, an electric synchronization module, a hydraulic control module and a hydraulic pump station outside the channel; secondly, connecting pipelines and lines between the blast furnace body jacking sliding device and the controller, between the blast furnace body jacking sliding device and the electric synchronization module, between the blast furnace body jacking sliding device and the hydraulic control module, between the blast furnace body jacking sliding device and the hydraulic pump station; thirdly, controlling the jacking jacks of all the sliding shoes to perform pre-jacking operation, and setting a new zero value; then, controlling all the jacking jacks to lift to a set height, and maintaining the current pressure value; and finally, controlling the push-pull device to synchronously push out or retract, and pushing the front sliding shoe to move until the furnace body reaches a designated position.
The jacking and sliding of the blast furnace body comprises the removal of an old furnace body and the replacement of a new furnace body, wherein,
in the moving-out process of the old furnace body, after the old furnace body is moved to a specified position, controlling the jacking jacks of all the sliding shoes to retract, enabling the old furnace body to fall onto a preset supporting seat, and continuing retracting the jacking jacks to enable the sliding shoes to be separated from the old furnace body; removing the connecting pipeline and the circuit of the blast furnace body jacking sliding device, and moving the blast furnace body jacking sliding device out of the passage below the furnace body;
in the process of replacing the new furnace body, after the new furnace body is moved to a specified position, firstly, the furnace body is driven to move longitudinally by operating the push-pull oil cylinder, and the longitudinal deviation is adjusted; secondly, adjusting the transverse deviation by adjusting a transverse deviation rectifying jack cylinder until a new furnace body is adjusted to a target position; then, controlling the jacking jacks of all the sliding shoes to retract, enabling the new furnace body to fall onto a preset supporting seat, and continuing retracting the jacking jacks to separate the sliding shoes from the old furnace body; and finally, removing the connecting pipeline and the circuit of the blast furnace body jacking sliding device, and moving the blast furnace body jacking sliding device out of the passage below the furnace body.
The method controls the sliding shoes and the push-pull device to alternately move in the sliding grooves through the expansion of the push-pull device oil cylinder and the action of the counter-force seat, so as to drive the furnace body to reach a specified position and adjust the position deviation.
In a specific embodiment, as shown in fig. 11 to 14, different constructions select equipment for jacking and sliding construction according to the weight of the blast furnace body and arrange jacking point positions.
The lower part of the blast furnace segmented furnace body is provided with a channel, then a plurality of groups of jacking sliding devices slide into the channel, the lower part of the blast furnace body jacks up the blast furnace segmented furnace body, and then the channel slides to a designated position.
This method will be described in detail below by taking an example of application 3 device.
The specific flow of moving the old furnace body out of the original position is as follows:
firstly, opening a channel at the bottom of a blast furnace body to be moved, and paving a chute into the channel;
secondly, after the sliding groove laying and fixing are finished, the sliding shoes and the push-pull device are placed to the designated positions (the lower part of the old furnace body);
thirdly, connecting pipelines and lines among all parts, including a controller, a hydraulic pump station, a hydraulic control module and an electric synchronization module, and checking the pipelines and the lines;
fourthly, supplying power to the system, and selecting any one controller as a main controller;
fifthly, operating a button on the interface of the main controller to enable all the sliding shoes to jack the jacks and performing pre-jacking operation on the hydraulic jacks placed on the sliding shoes;
sixthly, when the pressure values of all point positions reach a set value (such as 5MPa), setting the pressure value at the moment as a new zero value in the system;
seventhly, after the debugging and preparation work is finished, controlling all the jacking jacks to synchronously lift to a certain height (about 100mm) through a controller interface, and reserving a certain gap between the bottom of the furnace body and the basic concrete;
eighthly, after the lifting is carried out to the designated height, stopping the operation of the lifting jack, and maintaining the pressure value at the moment in the final state;
ninth, operating a control button on a controller interface to enable all the push-pull oil cylinders to synchronously push out or retract, and pushing the front sliding shoes until the upper furnace body reaches a designated position;
tenth, operating a button on the electric cabinet to withdraw the sliding shoe jack and enable the furnace body to fall onto a preset supporting seat; continuously withdrawing the jack to separate the sliding shoe from the furnace body;
and step eleven, disassembling the sliding shoes, the hydraulic pipeline of the push-pull device and the circuit, and separating the sliding shoes from the pump station.
And step twelve, respectively moving the pump station, the sliding shoes, the push-pull device and the like out of the lower section of the furnace body, placing the furnace body to a safe place, and completing the moving-out process of the old furnace body.
In the ninth step, the push-pull device pushes and pulls the sliding shoes in the following specific process:
firstly, controlling an oil cylinder of a push-pull device to push out, pushing a sliding shoe to move forwards on a sliding groove, and stopping moving when the oil cylinder is pushed out to the maximum range; secondly, lifting up a balancing weight on the side surface of the push-pull device, so that the counterforce rod drives the stop block to separate from the counterforce seat on the sliding chute; then, controlling the oil cylinder of the push-pull device to retract, and simultaneously driving the push-pull device body to move forwards along the sliding chute until the next counter-force seat is positioned; finally, the counterweight block and the reaction rod are controlled to clamp the stop block on the current reaction seat; and repeating the processes in sequence until the sliding shoe moves to a specified position and stops.
The specific flow of moving the new furnace body to the blast furnace position is as follows:
step 1, placing a sliding shoe and a push-pull device to a specified position (the lower part of a new furnace body), and positioning a pump station;
step 3, after the pipeline circuit is checked, power is supplied to the controller and the pump station;
step 7, after the lifting is carried out to the designated height, the jacking jack stops working, and the pressure value at the moment is maintained in the final state;
step 8, operating a button on a controller interface to enable all the oil cylinders of the push-pull device to synchronously push out and retract, and pushing the front sliding shoe until a new furnace body reaches a specified position;
9, after the new furnace body reaches the designated position, driving the furnace body to move longitudinally by operating the push-pull oil cylinder, and adjusting longitudinal deviation; after the longitudinal deviation is adjusted to a specified position, the transverse deviation is adjusted;
the adjustment of the transverse deviation is realized by operating a transverse deviation rectifying oil cylinder, and the transverse deviation rectifying steps are as follows:
(1) determining the transverse deviation direction and confirming the working direction of the correction jack cylinder;
(2) operating a corresponding control button on a controller interface to enable a correction jack cylinder to move towards the direction of eliminating the transverse deviation, so as to drive the jack and a balance beam (namely the load sharing beam, different terms in the field all represent the same component) to move; the balance beam is directly contacted with the furnace body, and drives the furnace body to move under the action of friction force until the transverse deviation is adjusted in place, and the operation is stopped;
and 11, disassembling the sliding shoes, the hydraulic pipelines of the push-pull device and the circuit, and separating the sliding shoes, the hydraulic pipelines of the push-pull device and the circuit from a pump station.
And step 12, respectively moving the pump station, the sliding shoes, the push-pull device and the like out of the lower section of the furnace body and placing the furnace body in a safe place.
The above-mentioned operation process is applicable to the slippage of different sections of blast furnace, and the difference of the removal of different sections is only that the foundation surface of the devices of chute, etc. is different, and the slippage method is identical.
Compared with the prior art, the device and the method have the following typical advantages or positive effects:
1. the method improves the efficiency and the synchronism of the blast furnace overhaul jacking sliding project;
2. the method realizes the automation of the jacking and sliding engineering of the blast furnace overhaul, and is safer and more reliable.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention, and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify the equivalent embodiments with equivalent variations, without departing from the scope of the solution, without thereby affecting the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. The utility model provides a blast furnace body jacking displacement device which characterized in that: comprises a chute, a sliding shoe and a push-pull device; the sliding shoes are arranged in the sliding grooves, and a plurality of sliding groove counter-force seats are arranged on the side surfaces of the sliding grooves at intervals; a push-pull oil cylinder is arranged on the push-pull device; a jacking oil cylinder is arranged in the middle of the sliding shoe, and a transverse deviation rectifying oil cylinder is arranged on the side surface of the jacking oil cylinder; the sliding shoes are fixedly connected with the push-pull oil cylinder; the push-pull device and the sliding groove are sequentially connected with the sliding groove counter-force seats in a clamping manner through the push-pull device locking hook; the sliding shoes and the push-pull device alternately move along the sliding grooves to drive the top of the blast furnace above the sliding shoes to slide to a target position.
2. The blast furnace body jacking and sliding device of claim 1, characterized in that: the sliding groove comprises a sliding groove bottom plate and a sliding groove side plate, a Teflon plate is arranged on the sliding groove bottom plate, and the sliding shoe slides on the Teflon plate; a plurality of sliding chute counter-force seats are arranged at the outer side of the sliding chute side plate at intervals.
3. The blast furnace body jacking and sliding device of claim 1, characterized in that: the push-pull device comprises a push-pull device body and a push-pull oil cylinder; a push-pull oil cylinder is arranged in the middle of the push-pull device body; the two sides of the push-pull device body are provided with check blocks, the outer sides of the check blocks are provided with balancing weights, the front ends of the check blocks are provided with idler wheels, and the idler wheels move along the sliding grooves.
4. The blast furnace body jacking sliding device of claim 1, characterized in that: the sliding shoe comprises a sliding shoe main body, a jacking jack is arranged in the middle of the sliding shoe main body, and a hydraulic valve bank is arranged close to the end part of the sliding shoe main body; the front end and the rear end of the sliding shoe main body are provided with connecting hinged supports, and the push-pull oil cylinder is connected with the hinged support at the front end; the upper surface of the jacking jack is provided with a load sharing beam, and the side surface of the jacking jack is provided with a deviation rectifying jack.
5. The blast furnace body jacking and sliding device of claim 4, characterized in that: a guide wheel is arranged on the side surface of the connecting hinged support; a transverse base is arranged above the sliding shoe main body, a jacking jack is installed in the transverse base, and a deviation correcting jack is installed on the side face of the transverse base and connected with the jacking jack through a pin shaft.
6. The utility model provides a blast furnace body jacking system of sliding which characterized in that: the blast furnace body jacking and sliding device comprises a plurality of blast furnace body jacking and sliding devices according to any one of claims 1 to 5, an electrical synchronization module and a hydraulic control module for controlling the plurality of blast furnace body jacking and sliding devices, and a hydraulic pump station connected with the hydraulic module; the hydraulic control module comprises a jacking deviation-rectifying synchronous hydraulic part and a push-pull synchronous hydraulic part, each blast furnace body jacking sliding device is independently controlled through an independent controller, all the controllers are connected through a bus, and synchronous control data and interactive control data are shared.
7. The blast furnace body jacking sliding system according to claim 6, wherein: the device also comprises a standby controller which is connected with the controller of the blast furnace body jacking sliding device in a replacement way through a quick plug.
8. A method for jacking and sliding a blast furnace body is characterized by comprising the following steps: firstly, a channel is opened at the bottom of a blast furnace, a blast furnace body jacking sliding device in claim 6 or 7 is arranged in the channel, and a controller, an electric synchronization module, a hydraulic control module and a hydraulic pump station are arranged outside the channel; secondly, connecting pipelines and lines among a blast furnace body jacking sliding device, a controller, an electric synchronization module, a hydraulic control module and a hydraulic pump station; thirdly, controlling the jacking jacks of all the sliding shoes to perform pre-jacking operation, and setting a new zero value; then, controlling all the jacking jacks to lift to a set height, and maintaining the current pressure value; and finally, controlling the push-pull device to synchronously push out or retract, and pushing the front sliding shoe to move until the furnace body reaches a designated position.
9. The blast furnace body jacking sliding method according to claim 8, characterized in that: the jacking and sliding of the blast furnace body comprises the moving-out of an old furnace body and the replacement of a new furnace body, wherein,
in the moving-out process of the old furnace body, after the old furnace body is moved to a specified position, controlling the jacking jacks of all the sliding shoes to retract, enabling the old furnace body to fall onto a preset supporting seat, and continuing retracting the jacking jacks to enable the sliding shoes to be separated from the old furnace body; removing a connecting pipeline and a circuit of the blast furnace body jacking and sliding device, and moving the blast furnace body jacking and sliding device out of a channel below the blast furnace body;
in the process of replacing the new furnace body, after the new furnace body is moved to a specified position, firstly, the furnace body is driven to move longitudinally by operating the push-pull oil cylinder, and the longitudinal deviation is adjusted; secondly, adjusting the transverse deviation by adjusting a transverse deviation rectifying jack cylinder until a new furnace body is adjusted to a target position; then, controlling the jacking jacks of all the sliding shoes to retract, enabling the new furnace body to fall onto a preset supporting seat, and continuing retracting the jacking jacks to separate the sliding shoes from the old furnace body; and finally, removing the connecting pipeline and the circuit of the blast furnace body jacking and sliding device, and moving the blast furnace body jacking and sliding device out of the passage below the blast furnace body.
10. The blast furnace body jacking sliding method according to claim 9, characterized in that: the specific process of adjusting the transverse deviation correction is as follows:
firstly, determining the transverse deviation direction and determining the working direction of a correction jack cylinder; and then, controlling an oil cylinder of the deviation rectifying jack to move towards the direction of eliminating the transverse deviation to drive the furnace body to move until the transverse deviation is adjusted in place, and stopping operation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210309912.1A CN114772495A (en) | 2022-03-28 | 2022-03-28 | Jacking and sliding device, system and method for blast furnace body |
| PCT/CN2022/137382 WO2023185080A1 (en) | 2022-03-28 | 2022-12-07 | Blast furnace body jacking and sliding device, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210309912.1A CN114772495A (en) | 2022-03-28 | 2022-03-28 | Jacking and sliding device, system and method for blast furnace body |
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| CN114772495A true CN114772495A (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210309912.1A Pending CN114772495A (en) | 2022-03-28 | 2022-03-28 | Jacking and sliding device, system and method for blast furnace body |
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| Country | Link |
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| CN (1) | CN114772495A (en) |
| WO (1) | WO2023185080A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180554A (en) * | 2022-06-30 | 2022-10-14 | 上海宝冶冶金工程有限公司 | Jacking and sliding equipment and method for blast furnace body |
| WO2023185080A1 (en) * | 2022-03-28 | 2023-10-05 | 上海宝冶冶金工程有限公司 | Blast furnace body jacking and sliding device, system and method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117850291B (en) * | 2023-11-03 | 2024-08-02 | 上海巢势建筑科技有限公司 | Multi-node fine step synchronous jacking control system and control method thereof |
| CN117585582B (en) * | 2023-11-22 | 2024-06-28 | 宁夏青峡实业有限公司 | Prefabricated part overturning device for cement product |
| CN117550532B (en) * | 2024-01-04 | 2024-03-12 | 河南丽卡数控设备有限公司 | Wheel box control deviation correcting device |
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| BE759302A (en) * | 1970-02-24 | 1971-04-30 | Demag Ag | FORKLIFT FOR TRANSPORTING HOT CONTAINERS SUCH AS STEEL CONVERTERS |
| CN1034210C (en) * | 1992-07-31 | 1997-03-12 | 首钢总公司 | Apparatus for pushing integral large object |
| CN112796230A (en) * | 2020-03-20 | 2021-05-14 | 广西科技大学 | Translation device for synchronously replacing new and old components and construction method thereof |
| CN213504494U (en) * | 2020-09-21 | 2021-06-22 | 上海宝冶冶金工程有限公司 | Push-pull device of blast furnace moving device |
| CN112408288A (en) * | 2020-09-21 | 2021-02-26 | 上海宝冶冶金工程有限公司 | Jacking sliding equipment special for blast furnace |
| CN112392787A (en) * | 2020-09-30 | 2021-02-23 | 上海宝冶冶金工程有限公司 | Electric control system and method for jacking sliding equipment special for blast furnace |
| CN215160560U (en) * | 2021-06-30 | 2021-12-14 | 上海宝冶冶金工程有限公司 | Sliding shoe for lifting and sliding of blast furnace top |
| CN113983013A (en) * | 2021-09-27 | 2022-01-28 | 上海宝冶冶金工程有限公司 | Blast furnace overhaul position synchronous adjustment method and system |
| CN114772495A (en) * | 2022-03-28 | 2022-07-22 | 上海宝冶冶金工程有限公司 | Jacking and sliding device, system and method for blast furnace body |
| CN115180554A (en) * | 2022-06-30 | 2022-10-14 | 上海宝冶冶金工程有限公司 | Jacking and sliding equipment and method for blast furnace body |
-
2022
- 2022-03-28 CN CN202210309912.1A patent/CN114772495A/en active Pending
- 2022-12-07 WO PCT/CN2022/137382 patent/WO2023185080A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185080A1 (en) * | 2022-03-28 | 2023-10-05 | 上海宝冶冶金工程有限公司 | Blast furnace body jacking and sliding device, system and method |
| CN115180554A (en) * | 2022-06-30 | 2022-10-14 | 上海宝冶冶金工程有限公司 | Jacking and sliding equipment and method for blast furnace body |
Also Published As
| Publication number | Publication date |
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| WO2023185080A1 (en) | 2023-10-05 |
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