CN115365311A - Cooling device and cooling method for hot-rolled steel plate - Google Patents
Cooling device and cooling method for hot-rolled steel plate Download PDFInfo
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- CN115365311A CN115365311A CN202210785844.6A CN202210785844A CN115365311A CN 115365311 A CN115365311 A CN 115365311A CN 202210785844 A CN202210785844 A CN 202210785844A CN 115365311 A CN115365311 A CN 115365311A
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- 238000001816 cooling Methods 0.000 title claims abstract description 179
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 130
- 239000010959 steel Substances 0.000 title claims abstract description 130
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000002146 bilateral effect Effects 0.000 claims abstract description 5
- 238000004065 wastewater treatment Methods 0.000 claims description 20
- 239000010960 cold rolled steel Substances 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0206—Coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a cooling device and a cooling method of a hot-rolled steel plate, which comprise an automatic conveying mechanism, a water cooling box and an air cooling box, wherein the automatic conveying mechanism comprises connecting plates which are arranged in a bilateral symmetry mode, first air cylinders are arranged on the front side and the rear side of each connecting plate, first motors are arranged on the opposite sides of the two groups of first air cylinders, moving screw rods are arranged on the opposite sides of the two groups of first motors, sliding blocks are arranged on the outer walls of the two moving screw rods on the left side, matched tooth blocks are arranged on the opposite sides of the two sliding blocks, clamping plates which are arranged in a vertical symmetry mode are arranged on the opposite sides of the two sliding blocks, external tooth belts which are symmetrically distributed in the front and the rear direction are arranged on the opposite sides of the two groups of moving screw rods, power wheels are arranged at the left ends and the right ends of the two external tooth belts, and second motors are arranged on the opposite sides of the two power wheels on the left side. The cooling method intelligently adjusts the water yield during water cooling and the air yield during air cooling through the steps of conveying, air cooling, water cooling, circulating and the like, thereby achieving the purpose of saving energy.
Description
Technical Field
The present invention relates to a cooling device and a cooling method for a hot-rolled steel sheet.
Background
The hot rolled steel plate is produced with continuous cast plate or initial rolled plate as material and through heating in a step heating furnace, descaling with high pressure water, roughing in a roughing mill, cutting head and tail, finishing in a finishing mill, computer controlled rolling, and final cooling in laminar flow cooling and winding in a winding machine to form straight coil. The head and tail of the hair straightening roll are often in a tongue shape and a fishtail shape, the thickness and width precision are poor, and the edges of the hair straightening roll often have the defects of wave shape, folded edge, tower shape and the like. The coil weight is heavier, and the inner diameter of the steel coil is 760mm.
When the existing hot rolled steel plate is cooled, the cooling modes can be air cooling, heap cooling, air cooling, water cooling, spray cooling, pit cooling, furnace cooling and the like, different steel products respectively adopt one cooling mode or use more than two cooling modes in a mixed mode according to the steel types and performance requirements, and when the hot rolled steel plate is transferred among different cooling devices, the hot rolled steel plate needs to be transported manually, so that the manual labor amount is increased, the manual transportation consumes longer time, and the integral cooling efficiency is influenced; therefore, improvements are now needed in view of the current situation.
Patent documents: japanese patent publication No. 62-25049 discloses a cooling apparatus for a hot-rolled material, which comprises: a circular tube-shaped header having a slit for ejecting a plate-shaped water flow; and a width adjustment body which is formed with a concave part gradually blocking the water flow from the width direction end part of the sprayed water flow to the width direction center and can rotate concentrically with the header.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides a cooling device and a cooling method for a hot-rolled steel plate, which effectively solve the problems that the existing hot-rolled steel plate can be divided into air cooling, heap cooling, air cooling, water cooling, spray cooling, pit cooling, furnace cooling and the like according to different cooling modes when being cooled, different steel products respectively adopt one cooling mode or use more than two cooling modes in a mixed mode according to the steel types and performance requirements, and the hot-rolled steel plate needs to be transported manually when being transferred among different cooling devices, so that the manual labor amount is increased, the manual transportation consumes longer time, and the integral cooling efficiency is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a cooling device for a hot-rolled steel plate comprises an automatic conveying mechanism, a water cooling box and an air cooling box, wherein the air cooling box is positioned on the right side of the water cooling box, and the automatic conveying mechanism is positioned in the inner cavity, the left end and the right end of the water cooling box and the air cooling box; automatic conveying mechanism includes the connecting plate that bilateral symmetry set up, the front and back side of two connecting plates all is provided with first cylinder, the opposite side of two sets of first cylinders is provided with first motor, the opposite side of two sets of first motors is provided with the removal screw rod, the outer wall of two left removal screw rods is provided with the slider, the looks dorsal part of two sliders all is provided with the cooperation profile of tooth piece, and the opposite side of two sliders all is provided with the pinch-off blades that the longitudinal symmetry set up, the opposite side of two sets of removal screw rods is provided with the outer toothed belt of front and back symmetric distribution, the left and right ends of two outer toothed belt all is provided with the power wheel, the opposite side of two left power wheels all is provided with the second motor, two outer toothed belt left end bottoms all mesh have the cooperation pinion rack, the bottom of two cooperation pinion racks all is provided with the third motor, the opposite side of two third motors all is provided with the second cylinder, the opposite side of two second cylinders all is provided with electromagnetism profile of tooth piece, electromagnetism profile of tooth piece and cooperation profile of tooth piece phase-match.
The bottom of two connecting plates all is provided with the "L" shape cooperation board of longitudinal symmetry, and the bottom of two connecting plates all is provided with bilateral symmetry's mounting panel, and the front side of two sets of mounting panels all is provided with the belt pulley, and the outer wall of two sets of belt pulleys is provided with the belt respectively, and the rear side of two inboard mounting panels all is provided with the fourth motor, and the output of fourth motor is connected with the belt pulley of its front side.
The dress board that runs through leads to the groove is all seted up to the lateral wall of two connecting plates, and the cooperation groove that runs through is all seted up to the bottom that two dress boards led to the groove, and two belt bottoms all are provided with stirs the post, and the bottom of two connecting plates all is provided with the supporting leg.
The opposite sides of two sliders are provided with chutes, the two groups of clamping plates are arranged in the inner cavities of the corresponding chutes respectively, the vertical opposite sides of the two groups of clamping plates are provided with third cylinders, and the opposite sides of the two groups of movable screws are provided with polished rods.
The top of water-cooling case is provided with water storage device, and the inner chamber of water-cooling case is provided with first effluent treatment plant and the horizontal pole of symmetry and evenly distributed about, and the opposite side of two sets of horizontal poles is provided with electric telescopic handle, and the opposite side of two sets of electric telescopic handle is provided with the shower head.
The spacing groove has all been seted up to the front and back side of water-cooling box inner chamber, and two sliders and left two removal screw rods are located the inner chamber of two spacing grooves respectively.
The top of forced air cooling case is provided with forced air cooling device, and the inner chamber of forced air cooling case is provided with second effluent treatment plant, and the side all is provided with the cooperation spout around the inner chamber of forced air cooling case, and two external tooth belts and third motor are located the inner chamber of two cooperation spouts respectively, and the bottom of two third motors all is provided with spacing slider, and spacing spout has all been seted up to the bottom of two cooperation spout inner chambers, and two spacing sliders are located the inner chamber of two spacing spouts respectively.
The first wastewater treatment device and the second wastewater treatment device are communicated with the water storage device through connecting pipes, and the infrared detection device and the temperature sensing device are arranged on the left side and the right side of the inner cavity of the water cooling tank and the air cooling tank.
A cooling method of a cooling device of a hot rolled steel sheet, comprising the steps of:
s1: conveying: the hot-rolled steel plate is put into the plate-installing through groove in the left connecting plate, the fourth motor is started at the moment, the fourth motor drives the connected belt pulley to rotate, the belt pulley drives the left belt pulley to rotate through the belt, the toggle column at the bottom of the fourth motor moves along with the rotation while the belt rotates, when the fourth motor moves to the left end of the plate-installing through groove, a rightward pushing force is applied to the hot-rolled steel plate, so that the hot-rolled steel plate moves rightwards, when the hot-rolled steel plate moves rightwards, the right end of the hot-rolled steel plate moves to the opposite sides of the two clamping plates, the center of gravity of the hot-rolled steel plate is detected through the infrared detection device, when the center of gravity falls into the opposite sides of the two groups of clamping plates, the two clamping plates are driven to move through the contraction of the third cylinder, so that the hot-rolled steel plate is fixed, after the hot-rolled steel plate is fixed, the first motor is started to drive the moving screw to rotate, when the moving screw rotates, the two sliding blocks move rightwards, and the hot-rolled steel plate is immediately conveyed to the water cooling tank;
s2: water cooling: when the hot rolled steel plate enters the water cooling box, the temperature sensing device on the left side of the hot rolled steel plate detects the temperature of the hot rolled steel plate, so that the water yield of a spray header is intelligently adjusted, the hot rolled steel plate continuously moves rightwards while spraying until the right ends of the two sliding blocks enter the air cooling box, at the moment, the infrared detection device at the air cooling box detects the positions of the matched toothed blocks on the backs of the two sliding blocks, when the circle center position of the matched toothed blocks and the electromagnetic toothed blocks in the air cooling box are detected to be on the same axis, the second air cylinder is started to drive the electromagnetic toothed blocks to move on the opposite side until the electromagnetic toothed blocks are clamped into the matched toothed blocks, at the moment, the electromagnetic toothed blocks are electrified to firmly adsorb the two sliding blocks, when the two sliding blocks are fixed by the electromagnetic toothed blocks, the movable screw rod continuously rotates, and is leftwards pulled by the first air cylinder while rotating, and the right end of the movable screw rod is provided with a clamping rod, so that the two sliding blocks and the hot rolled steel plate clamped by the sliding blocks are separated from the movable screw rod and enter the air cooling box under the action of force;
s3: air cooling: when the hot-rolled steel plate enters an air cooling box, a temperature sensing device on the left side of the hot-rolled steel plate detects the temperature of the hot-rolled steel plate, so that the air output of the air cooling device is intelligently adjusted, when the hot-rolled steel plate enters the air cooling box, a second motor drives two power wheels to rotate, so that an external toothed belt is driven to move, a meshed matching toothed plate is driven to move rightwards while the external toothed belt moves, a third motor at the bottom of the matching toothed plate moves rightwards, a second cylinder, an electromagnetic toothed block, two fixed sliding blocks and the hot-rolled steel plate clamped by a clamping plate move rightwards, when the external toothed block moves to the middle section of the air cooling box, the third motor drives the second cylinder to rotate, when the second cylinder rotates, the second cylinder rotates along with the second cylinder, so that water remained on the surface of the hot-rolled steel plate is quickly thrown out, the contact with cooling air is increased through rotation, the air cooling efficiency is improved, after the hot-rolled steel plate is cooled, the third motor continues to move rightwards until the moving screw rod at the right end rotates, the electromagnetic toothed block is electrically disconnected, the two third cylinders move backwards, so that the hot-rolled steel plate enters a cooling box after the hot-rolled steel plate is cooled, and the hot-rolled steel plate enters a connecting plate collecting device on the right side, and the cold-rolled steel plate enters a connecting plate collecting device after the cold-rolled steel plate is removed box, and the connecting plate collecting device enters a cold-rolled steel plate collecting step, and the cold-rolled steel plate collecting step, wherein the cold-rolled steel plate collecting step of the cold-rolled steel plate collecting device enters a hot-rolled steel plate collecting step of the cold-rolled steel plate collecting step of the hot-rolled steel plate collecting step;
s4: and (3) circulation: in the steps S2 and S3, the cooling water liquid and the water liquid thrown off by rotation are collected and purified by the first wastewater treatment device and the second wastewater treatment device, and then continuously put into the water storage device for recycling.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the fixed hot rolled steel plate can be driven to carry out self-conveying by matching the movable screw and the external tooth belt, and the conveying switching of the hot rolled steel plate in the water cooling box and the air cooling box can be realized, so that different operations in different cooling boxes are met, therefore, manual transfer conveying is not needed, the manual labor amount is reduced, the transfer time of the hot rolled steel plate among different cooling devices is reduced, the waste of conveying time is reduced, and the cooling efficiency is improved; according to the invention, the hot rolled steel plate can be rapidly cooled by a combined cooling mode of water cooling and air cooling, and the hot rolled steel plate can be driven to rotate in the air cooling box, so that residual water liquid on the surface of the hot rolled steel plate after water cooling is rapidly thrown out, and the contact with cooling air is increased by rotation, and the air cooling efficiency is improved; according to the invention, cooling water liquid and water liquid thrown off by rotation are collected and purified by a first wastewater treatment device and a second wastewater treatment device respectively, and then are continuously put into a water storage device for recycling;
according to the invention, the temperature of the hot rolled steel plate can be measured through the temperature sensing device, so that the water yield during water cooling and the air yield during air cooling can be intelligently adjusted, the waste of energy is avoided, and the purpose of saving energy is achieved.
Drawings
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic structural diagram of the automatic conveying mechanism of the present invention;
FIG. 4 is a schematic structural view of a connecting plate according to the present invention;
FIG. 5 is a schematic view of the slider of the present invention;
FIG. 6 is a schematic structural view of an electromagnetic toothed block according to the present invention;
FIG. 7 is a flowchart showing a cooling method of a cooling apparatus for a hot rolled steel sheet according to the present invention;
in the figure: 100. an automatic conveying mechanism; 101. a connecting plate; 102. an "L" shaped mating plate; 103. mounting a plate; 104. a pulley; 105. supporting legs; 106. a first cylinder; 107. a first motor; 108. moving the screw; 109. a slider; 110. a second motor; 111. a power wheel; 112. an external toothed belt; 113. a third motor; 114. a toothed plate is matched; 115. a second cylinder; 116. an electromagnetic toothed block; 117. a fourth motor; 118. a belt; 119. a plate mounting through groove; 120. a mating groove; 121. shifting the column; 122. a clamping plate; 123. a third cylinder; 124. matching a toothed block; 125. a limiting slide block; 200. a water cooling tank; 201. a water storage device; 202. a cross bar; 203. an electric telescopic rod; 204. a shower head; 205. a first wastewater treatment unit; 206. a limiting groove; 300. an air cooling box; 301. an air cooling device; 302. matching with a chute; 303. a second wastewater treatment device.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention:
referring to fig. 1, a cooling apparatus for a hot rolled steel sheet includes an automatic transfer mechanism 100, a water cooling tank 200, and an air cooling tank 300.
Referring to fig. 2, the air-cooling box 300 is located at the right side of the water-cooling box 200, and the automatic conveying mechanism 100 is located in the inner cavities and left and right ends of the water-cooling box 200 and the air-cooling box 300.
Referring to fig. 3, 4, 5, and 6, the automatic conveying mechanism 100 includes connecting plates 101 symmetrically arranged left and right, front and rear sides of the two connecting plates 101 are fixedly connected with first cylinders 106, opposite sides of the two groups of first cylinders 106 are fixedly connected with first motors 107, opposite sides of the two groups of first motors 107 are fixedly connected with moving screws 108, outer walls of the two moving screws 108 on the left side are respectively in threaded connection with sliders 109, opposite sides of the two sliders 109 are respectively and fixedly connected with mating toothed blocks 124, opposite sides of the two sliders 109 are respectively provided with clamping plates 122 symmetrically arranged up and down, opposite sides of the two groups of moving screws 108 are respectively provided with external toothed belts 112 symmetrically distributed front and back, left and right ends of the two external toothed belts 112 are respectively sleeved with a power wheel 111, opposite sides of the two power wheels 111 on the left side are respectively and fixedly connected with second motors 110, bottoms of left ends of the two external toothed belts 112 are respectively engaged with mating toothed plates 114, bottoms of the two mating toothed plates 114 are respectively and fixedly connected with third motors 113, opposite sides of the two third motors 113 are respectively provided with second cylinders 115, opposite sides of the two second cylinders 115 are respectively and fixedly connected with the mating toothed blocks 116, and the mating toothed blocks 116; the bottoms of the two connecting plates 101 are fixedly connected with L-shaped matching plates 102 which are symmetrical front and back, the bottoms of the two connecting plates 101 are fixedly connected with mounting plates 103 which are symmetrical left and right, the front sides of the two groups of mounting plates 103 are connected with belt pulleys 104 through connecting shafts, the outer walls of the two groups of belt pulleys 104 are respectively sleeved with belts 118, the rear sides of the two mounting plates 103 at the inner sides are fixedly connected with fourth motors 117, and the output ends of the fourth motors 117 are connected with the belt pulleys 104 at the front sides thereof; the side walls of the two connecting plates 101 are respectively provided with a through plate installing through groove 119, the bottoms of the two plate installing through grooves 119 are respectively provided with a through matching groove 120, the bottoms of the two belts 118 are respectively and fixedly connected with a shifting column 121, and the bottoms of the two connecting plates 101 are respectively and fixedly connected with supporting legs 105; the opposite sides of the two sliding blocks 109 are both provided with sliding grooves, the two groups of clamping plates 122 are respectively arranged in the inner cavities of the corresponding sliding grooves, the longitudinal opposite sides of the two groups of clamping plates 122 are provided with third air cylinders 123, the opposite sides of the two groups of moving screws 108 are both provided with polished rods, and the polished rods can be used for facilitating the sliding blocks 109 to be removed for seamless connection movement; starting a fourth motor 117 to drive the connected belt pulley 104 to rotate, wherein the belt pulley 104 drives the belt pulley 104 on the left side to rotate through a belt 118, a toggle column 121 at the bottom of the belt 118 moves along with the rotation, when the belt pulley 104 moves to the left end of a plate loading through groove 119, a rightward pushing force is applied to the hot-rolled steel plate, so that the hot-rolled steel plate moves rightwards, when the hot-rolled steel plate moves rightwards, the right end of the hot-rolled steel plate moves to the opposite side of two clamping plates 122, the two clamping plates 122 are driven to move through contraction of a third air cylinder 123, so that the hot-rolled steel plate is fixed, after the hot-rolled steel plate is fixed, the first motor 107 is started to drive the moving screw 108 to rotate, the two sliding blocks 109 move rightwards while the moving screw 108 rotates, and when the hot-rolled steel plate moves to the rightmost end of the moving screw 108, the second cylinder 115 is started to drive the electromagnetic toothed block 116 to move on the opposite side until the electromagnetic toothed block 116 is clamped in the matching toothed block 124, at the moment, the electromagnetic toothed block 116 is electrified to firmly adsorb the two sliding blocks 109, when the two sliding blocks 109 are fixed by the electromagnetic toothed block 116, the moving screw 108 continues to rotate, and the moving screw 108 is pulled leftwards through the first cylinder 106 while rotating, because the right end of the moving screw 108 is provided with a polished rod, under the action of force, the two sliding blocks 109 and the hot rolled steel plate clamped by the clamping plate 122 are separated from the moving screw 108, the second motor 110 drives the two power wheels 111 to rotate, so as to drive the external toothed belt 112 to move, and simultaneously when the external toothed belt 112 moves, the meshed matching toothed plate 114 is driven to move rightwards, and the third motor 113 at the bottom of the matching toothed plate 114 also moves rightwards, and simultaneously when the second cylinder 115 moves rightwards, the second cylinder 115, the electromagnetic tooth-shaped block 116, the two fixed sliding blocks 109 and the hot rolled steel plate clamped by the clamping plate 122 also move rightwards along with the second cylinder 115 until the second cylinder 115 is contacted with the moving screw 108 at the right end, the moving screw 108 at the right end rotates, the electromagnetic tooth-shaped block 116 is powered off at the moment, the two third cylinders 123 move towards the opposite sides, the cooled hot rolled steel plate enters the plate installing through groove 119 of the connecting plate 101 at the right side, the two clamping plates 122 are loosened, the hot rolled steel plate is shifted rightwards through the shifting column 121 at the right side again, the hot rolled steel plate enters the collecting device, all motors are reversed again, the sliding blocks 109 can be moved to the rightmost end again, the third motor 113 drives the second cylinder 115 to rotate, and when the second cylinder 115 rotates, the hot rolled steel plate also rotates along with the second cylinder, and water cooling residual water on the surface of the hot rolled steel plate is quickly thrown out.
Referring to fig. 1 and 2, a water storage device 201 is arranged at the top of a water cooling tank 200, an inner cavity of the water cooling tank 200 is fixedly connected with a first wastewater treatment device 205 and cross bars 202 which are symmetrical up and down and are uniformly distributed, opposite sides of the two cross bars 202 are fixedly connected with electric telescopic rods 203, opposite sides of the two electric telescopic rods 203 are fixedly connected with spray headers 204, and the spray headers 204 can be driven to move by the extension and contraction of the electric telescopic rods 203, so that the spray position can be adjusted; the front side and the rear side of the inner cavity of the water cooling box 200 are both provided with a limit groove 206, the two sliding blocks 109 and the two movable screws 108 on the left side are respectively positioned in the inner cavities of the two limit grooves 206, and the limit grooves 206 are used for limiting the two sliding blocks 109 in the movement process, so that the two sliding blocks can only move according to a specified route; when the hot rolled steel plate enters the water cooling tank 200, the temperature of the hot rolled steel plate is detected by the temperature sensing device on the left side of the water cooling tank, so that the water yield of the spray header 204 is intelligently adjusted.
Please refer to fig. 1 and 2, the top of the air cooling box 300 is fixedly connected with an air cooling device 301, the inner cavity of the air cooling box 300 is fixedly connected with a second wastewater treatment device 303, the front side and the rear side of the inner cavity of the air cooling box 300 are respectively provided with a matching chute 302, the two external toothed belts 112 and the third motor 113 are respectively positioned in the inner cavities of the two matching chutes 302, the bottoms of the two third motors 113 are respectively fixedly connected with a limiting slide block 125, the bottoms of the inner cavities of the two matching chutes 302 are respectively provided with a limiting chute, the two limiting slide blocks 125 are respectively positioned in the inner cavities of the two limiting chutes, and the third motor 113 is limited by the limiting slide block 125 and the matching chutes, so as to prevent the third motor from being separated from a specified track in the moving process; the first wastewater treatment device 205 and the second wastewater treatment device 303 are communicated with the water storage device 201 through connecting pipes, and infrared detection devices and temperature sensing devices are arranged on the left and right sides of the inner cavities of the water cooling box 200 and the air cooling box 300; when the hot-rolled steel plate enters the air cooling box 300, the temperature of the hot-rolled steel plate is detected by the temperature sensing device on the left side of the air cooling box, so that the air output of the air cooling device 301 is intelligently adjusted, and cooling water liquid and water liquid thrown down by rotation are collected and purified by the first wastewater treatment device 205 and the second wastewater treatment device 303 respectively and then continuously put into the water storage device 201 for recycling.
Referring to fig. 7, a cooling method of a cooling apparatus for a hot rolled steel sheet includes the steps of:
s1: conveying: putting the hot rolled steel plate into the plate installing through groove 119 at the connecting plate 101 on the left side, starting a fourth motor 117 to drive the connected belt pulley 104 to rotate, wherein the belt pulley 104 drives the belt pulley 104 on the left side to rotate through a belt 118, a toggle column 121 at the bottom of the belt 118 moves along with the rotation while the belt 118 rotates, when the belt moves to the left end of the plate installing through groove 119, a rightward driving force is applied to the hot rolled steel plate, so that the hot rolled steel plate moves rightwards, when the hot rolled steel plate moves rightwards, the right end of the hot rolled steel plate moves to the opposite sides of two clamping plates 122, the gravity center of the hot rolled steel plate is detected through an infrared detection device, when the gravity center just falls into the opposite sides of the two groups of clamping plates 122, the two clamping plates 122 are driven to move through the contraction of a third air cylinder 123, so that the hot rolled steel plate is fixed, after the hot rolled steel plate is fixed, the first motor 107 is started to drive the moving screw 108 to rotate, and when the moving screw 108 rotates, the two sliders 109 move rightwards, and then convey the hot rolled steel plate to the water cooling box 200;
s2: water cooling: when the hot rolled steel plate enters the water cooling box 200, the temperature sensing device on the left side of the hot rolled steel plate detects the temperature of the hot rolled steel plate, so that the water yield of the spray header 204 is intelligently adjusted, the hot rolled steel plate continuously moves rightwards while spraying is performed until the right ends of the two sliding blocks 109 enter the air cooling box 300, at the moment, the infrared detection device at the air cooling box 300 detects the position of the matched toothed block 124 on the back of the two sliding blocks 109, when the circle center position of the matched toothed block 124 and the electromagnetic toothed block 116 in the air cooling box 300 are detected to be on the same axis, the second air cylinder 115 is started to drive the electromagnetic toothed block 116 to move on the opposite side until the electromagnetic toothed block 116 is clamped into the matched toothed block 124, at the moment, the electromagnetic toothed block 116 is electrified to firmly adsorb the two sliding blocks 109, when the two sliding blocks 109 are fixed by the electromagnetic toothed block 116, the moving screw 108 continuously rotates, and the moving screw 108 is pulled leftwards by the first air cylinder 106 while rotating, and the right end of the moving screw 108 is provided with a polished rod, so that the two sliding blocks 109 and the air cooling plate 122 and the moving screw 108 clamped by the hot rolled steel plate 122 enter the air cooling box 300 under the force;
s3: air cooling: when the hot rolled steel plate enters the air cooling box 300, the temperature sensing device on the left side of the hot rolled steel plate detects the temperature of the hot rolled steel plate, so that the air output of the air cooling device 301 is intelligently adjusted, when the hot rolled steel plate enters the air cooling box 300, the second motor 110 drives the two power wheels 111 to rotate, so as to drive the external toothed belt 112 to move, the meshed matching toothed plate 114 is driven to move rightwards while the external toothed belt 112 moves, the third motor 113 at the bottom of the matching toothed plate 114 also moves rightwards along with the external toothed belt, when the second cylinder 115 moves rightwards, the second cylinder 115, the electromagnetic toothed block 116, the two fixed sliding blocks 109 and the hot rolled steel plate clamped by the clamping plate 122 also move rightwards along with the external toothed belt, and when the hot rolled steel plate moves to the middle section of the air cooling box 300, the third motor 113 drives the second cylinder 115 to rotate, when the second cylinder 115 rotates, the hot-rolled steel plate also rotates along with the second cylinder, so that water liquid remained on the surface of the hot-rolled steel plate is quickly thrown out, the contact with cooling air is increased through the rotation, the air cooling efficiency is improved, after the cooling is finished, the third motor 113 continues to move rightwards until the third motor is contacted with the moving screw 108 at the right end, the moving screw 108 at the right end rotates, the electromagnetic tooth-shaped block 116 is powered off at the moment, the two third cylinders 123 move towards the opposite sides, the sliding block 109 is separated from the air cooling box 300 through the moving screw 108 at the right side, the cooled hot-rolled steel plate enters the plate installing through groove 119 of the connecting plate 101 at the right side, the two clamping plates 122 are loosened, and the hot-rolled steel plate is pushed rightwards and enters a collecting device according to the same method of the step S1;
s4: and (3) circulation: in the steps S2 and S3, the cooling water and the water thrown away by rotation are collected and purified by the first wastewater treatment device 205 and the second wastewater treatment device 303, respectively, and then are continuously put into the water storage device 201 for recycling.
Through the steps, the temperature of the hot rolled steel plate can be measured through the temperature sensing device, so that the water yield during water cooling and the air yield during air cooling can be intelligently adjusted, the energy waste is avoided, and the purpose of saving energy is achieved.
Claims (9)
1. The utility model provides a cooling device of hot rolled steel plate, includes automatic conveying mechanism, water-cooling case and forced air cooling case, characterized by: the air cooling box is positioned on the right side of the water cooling box, and the automatic conveying mechanisms are positioned in the inner cavity and the left and right ends of the water cooling box and the air cooling box; the automatic conveying mechanism comprises connecting plates arranged in a bilateral symmetry mode, first air cylinders are arranged on the front side and the rear side of each of the two connecting plates, first motors are arranged on the opposite sides of the two sets of first air cylinders, moving screws are arranged on the opposite sides of the two sets of first motors, sliding blocks are arranged on the outer walls of the two left moving screws, matching toothed blocks are arranged on the opposite sides of the two sliding blocks, clamping plates arranged in an up-down symmetry mode are arranged on the opposite sides of the two sliding blocks, outer toothed belts symmetrically distributed front and back are arranged on the opposite sides of the two sets of moving screws, power wheels are arranged at the left ends and the right ends of the two outer toothed belts, second motors are arranged on the opposite sides of the two left power wheels, matching toothed plates are meshed at the bottoms of the left ends of the two outer toothed belts, third motors are arranged at the bottoms of the two matching toothed plates, second air cylinders are arranged at the opposite sides of the two third motors, and the electromagnetic toothed blocks are matched with the matching toothed blocks.
2. The cooling apparatus for a hot-rolled steel sheet according to claim 1, wherein: the bottom of two connecting plates all is provided with the "L" shape cooperation board of longitudinal symmetry, and the bottom of two connecting plates all is provided with bilateral symmetry's mounting panel, and the front side of two sets of mounting panels all is provided with the belt pulley, and the outer wall of two sets of belt pulleys is provided with the belt respectively, and the rear side of two inboard mounting panels all is provided with the fourth motor, and the output of fourth motor is connected with the belt pulley of its front side.
3. The cooling device for a hot-rolled steel sheet according to claim 1, wherein: the dress board that runs through leads to the groove is all seted up to the lateral wall of two connecting plates, and the cooperation groove that runs through is all seted up to the bottom that two dress boards led to the groove, and two belt bottoms all are provided with stirs the post, and the bottom of two connecting plates all is provided with the supporting leg.
4. The cooling device for a hot-rolled steel sheet according to claim 1, wherein: the opposite sides of two sliders are provided with chutes, the two groups of clamping plates are arranged in the inner cavities of the corresponding chutes respectively, the vertical opposite sides of the two groups of clamping plates are provided with third cylinders, and the opposite sides of the two groups of movable screws are provided with polished rods.
5. The cooling device for a hot-rolled steel sheet according to claim 1, wherein: the top of water-cooling case is provided with water storage device, and the inner chamber of water-cooling case is provided with first effluent treatment plant and the horizontal pole of symmetry and evenly distributed about, and the opposite side of two sets of horizontal poles is provided with electric telescopic handle, and the opposite side of two sets of electric telescopic handle is provided with the shower head.
6. The cooling device for a hot-rolled steel sheet according to claim 1, wherein: the spacing groove has all been seted up to the front and back side of water-cooling box inner chamber, and two sliders and left two removal screw rods are located the inner chamber of two spacing grooves respectively.
7. The cooling device for a hot-rolled steel sheet according to claim 1, wherein: the top of forced air cooling case is provided with forced air cooling device, and the inner chamber of forced air cooling case is provided with second effluent treatment plant, and the side all is provided with the cooperation spout around the inner chamber of forced air cooling case, and two external tooth belts and third motor are located the inner chamber of two cooperation spouts respectively, and the bottom of two third motors all is provided with spacing slider, and spacing spout has all been seted up to the bottom of two cooperation spout inner chambers, and two spacing sliders are located the inner chamber of two spacing spouts respectively.
8. The cooling device for a hot-rolled steel sheet according to claim 1, wherein: the first wastewater treatment device and the second wastewater treatment device are communicated with the water storage device through connecting pipes, and the infrared detection device and the temperature sensing device are arranged on the left side and the right side of the inner cavity of the water cooling tank and the air cooling tank.
9. A cooling method of a cooling device for a hot-rolled steel sheet, characterized by comprising the steps of:
s1: conveying: the hot rolled steel plate is put into the plate-mounting through groove in the left connecting plate, the fourth motor is started at the moment to drive the connected belt pulley to rotate, the belt pulley drives the belt pulley on the left side to rotate through a belt, the toggle column at the bottom of the belt moves along with the rotation while the belt rotates, when the belt moves to the left end of the plate-mounting through groove, the right pushing force is applied to the hot rolled steel plate, so that the hot rolled steel plate moves rightwards, when the hot rolled steel plate moves rightwards, the right end of the hot rolled steel plate moves to the opposite sides of the two clamping plates, the gravity center of the hot rolled steel plate is detected through an infrared detection device, when the current gravity center falls into the opposite sides of the two clamping plates, the two clamping plates are driven to move through the contraction of the third air cylinder, so that the hot rolled steel plate is fixed, after the hot rolled steel plate is fixed, the first motor is started to drive the moving screw to rotate, when the moving screw rotates, the two sliding blocks move rightwards, and the hot rolled steel plate is immediately conveyed to the water cooling box;
s2: water cooling: when the hot rolled steel plate enters the water cooling box, the temperature sensing device on the left side of the hot rolled steel plate detects the temperature of the hot rolled steel plate, so that the water yield of a spray header is intelligently adjusted, the hot rolled steel plate continuously moves rightwards while spraying until the right ends of the two sliding blocks enter the air cooling box, at the moment, the infrared detection device at the air cooling box detects the positions of the matched toothed blocks on the backs of the two sliding blocks, when the circle center position of the matched toothed block and the electromagnetic toothed block in the air cooling box are in the same axis, the second air cylinder is started to drive the electromagnetic toothed block to move on the opposite side until the electromagnetic toothed block is clamped into the matched toothed block, at the moment, the electromagnetic toothed block is electrified to firmly adsorb the two sliding blocks, when the two sliding blocks are fixed by the electromagnetic toothed block, the movable screw rod continuously rotates, and the movable screw rod is pulled leftwards by the first air cylinder while rotating, and because the right end of the movable screw rod is provided with a polished rod, the hot rolled steel plate clamped by the two sliding blocks and the clamped plate can be separated from the movable screw rod and enter the air cooling box under the action of force;
s3: air cooling: when the hot-rolled steel plate enters an air cooling box, a temperature sensing device on the left side of the hot-rolled steel plate detects the temperature of the hot-rolled steel plate, so that the air output of the air cooling device is intelligently adjusted, when the hot-rolled steel plate enters the air cooling box, a second motor drives two power wheels to rotate, so that an external toothed belt is driven to move, a meshed matching toothed plate is driven to move rightwards while the external toothed belt moves, a third motor at the bottom of the matching toothed plate moves rightwards, a second cylinder, an electromagnetic toothed block, two fixed sliding blocks and the hot-rolled steel plate clamped by a clamping plate move rightwards, when the external toothed block moves to the middle section of the air cooling box, the third motor drives the second cylinder to rotate, when the second cylinder rotates, the second cylinder rotates along with the second cylinder, so that water remained on the surface of the hot-rolled steel plate is quickly thrown out, the contact with cooling air is increased through rotation, the air cooling efficiency is improved, after the hot-rolled steel plate is cooled, the third motor continues to move rightwards until the moving screw rod at the right end rotates, the electromagnetic toothed block is electrically disconnected, the two third cylinders move backwards, so that the hot-rolled steel plate enters a cooling box after the hot-rolled steel plate is cooled, and the hot-rolled steel plate enters a connecting plate collecting device on the right side, and the cold-rolled steel plate enters a connecting plate collecting device after the cold-rolled steel plate is removed box, and the connecting plate collecting device enters a cold-rolled steel plate collecting step, and the cold-rolled steel plate collecting step, wherein the cold-rolled steel plate collecting step of the cold-rolled steel plate collecting device enters a hot-rolled steel plate collecting step of the cold-rolled steel plate collecting step of the hot-rolled steel plate collecting step;
s4: and (3) circulation: in the steps S2 and S3, the cooling water liquid and the water liquid thrown off by rotation are collected and purified by the first wastewater treatment device and the second wastewater treatment device, and then continuously put into the water storage device for recycling.
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| CN202210785844.6A CN115365311A (en) | 2022-07-06 | 2022-07-06 | Cooling device and cooling method for hot-rolled steel plate |
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Application publication date: 20221122 |