CN212451218U - Large-diameter vertical steel slag pressure-heating stuffy tank - Google Patents

Large-diameter vertical steel slag pressure-heating stuffy tank Download PDF

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CN212451218U
CN212451218U CN202021628564.7U CN202021628564U CN212451218U CN 212451218 U CN212451218 U CN 212451218U CN 202021628564 U CN202021628564 U CN 202021628564U CN 212451218 U CN212451218 U CN 212451218U
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tank
tank cover
cover
hot
flange
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王宇鹏
陈玲
李惊涛
张宇
王延兵
于杨
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Central Research Institute of Building and Construction Co Ltd MCC Group
MCC Energy Saving and Environmental Protection Co Ltd
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Central Research Institute of Building and Construction Co Ltd MCC Group
MCC Energy Saving and Environmental Protection Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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Abstract

The utility model relates to a large-diameter vertical steel slag pressure-heating sulk, which comprises a tank cover (1), a tank body (2), a tank cover turning device (3), a tank cover lifting device (4), a tank cover locking device (5), a sealing device (6), a cleaning device (7), a tank cover anti-rotation device (8), a water spraying device (9), a safety device (10), a drainage device (11), an exhaust pressure stabilizing device (12), a safety monitoring device (13), a guiding device (14), a slag tank support (15), a gas replacement device (16) and a movable arm device (17); the steel slag is treated in the closed pressure container by utilizing the waste heat of the steel slag, external energy sources are not consumed, dust is not generated, and the pressure container is provided with a safety device in the efficient energy-saving environment-friendly treatment process, so that the safety and the reliability are realized.

Description

Large-diameter vertical steel slag pressure-heating stuffy tank
Technical Field
The utility model relates to a large-diameter vertical steel slag pressure-heating sulk.
Background
At present, steel slag is treated by a plurality of methods, such as a hot splashing method, a hot stuffiness method, a water quenching method, an air quenching method, a roller granulation method, a granulation wheel method and the like. The hot splashing method is that molten liquid steel slag is poured into a hot splashing field, is naturally cooled by water or air, is crushed and magnetically separated, and is poured into a hot stuffy pool, is cooled by water, is crushed after the steel slag is pulverized, and is crushed and magnetically separated, and is water quenched, wherein the molten steel slag is cooled by high-pressure water and is crushed into particles when the molten liquid steel slag is poured.
The air quenching method is similar to the water quenching method in that molten steel slag is cooled and crushed into particles by high-pressure air. The hot splashing method has low steel slag treatment efficiency, and the hot stuffy method, the water quenching method and the air quenching method which pollute the environment have high efficiency because air or water is adopted for forced cooling, but the hot stuffy method and the water quenching method can explode because water is directly contacted with molten steel slag. The air quenching method is to forcibly cool and crush the steel by air, but the consumption of compressed air is high, and the noise is high. The roller method is that after liquid steel slag is poured into a slag tank, the slag tank is transported to a roller slag treatment room through a slag tank car, then the slag tank is hoisted to a notch of a roller slag feeding device through a crane and is poured into the roller device, and after the liquid steel slag is simultaneously cooled by water spraying, solidified and crushed in the roller, the liquid steel slag is discharged to a slag yard through a plate conveyor. The process has the problems that the treatment rate of the steel slag is low, a large amount of dry slag is still discharged, the power energy consumption of system equipment is high, the failure rate of the equipment is higher, the steel slag with large investment is not easy to be crushed and granulated, the equipment is seriously abraded, and the steel balls arranged in the steel slag are frequently replaced. The granulation wheel process is that after liquid steel slag is conveyed to a treatment workshop, a crane is adopted to slowly lift a slag tank, the slag tank is poured into a granulation wheel rotating at a high speed, the steel slag is crushed and granulated, the steel slag falls into a water tank after being cooled by water spray, and after the steel slag is treated by a granulation wheel water quenching method, the granularity is small, the steel slag is crystallized and compact and is difficult to levigate, the gelling property of the steel slag is poor, and the application of the steel slag in the construction and construction industry is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the utility model provides a vertical slag of major diameter has pressure heat stifled jar, heat stifled jar includes: the slag pot comprises a pot cover (1), a pot body (2), a pot cover turning device (3), a pot cover lifting device (4), a pot cover locking device (5), a water spraying device (9), a guiding device (14), a slag pot support (15) and a movable arm device (17); the tank cover turning device (3) is hinged with the bottom of the outer side of the tank body and the left side of the movable arm device (17) through a pin shaft respectively and used for enabling the movable arm device (17) to drive the hot stuffy tank cover (1) to turn over through the tank cover turning device (3) so as to open or close the tank cover; the right side of the movable arm device (17) is connected with the tank cover lifting device (4) and is used for driving the tank cover (1) to vertically move up and down through the tank cover lifting device (4); one end of the tank cover locking device (5) is fixed on the tank body (2), and the other end of the tank cover locking device (5) is used for driving the tank cover (1) so that the tank cover (1) rotates around the central axis of the tank cover to lock the tank cover; the water spraying device (9) is arranged inside the tank cover (1) and is used for spraying water to the steel slag in the hot stuffy tank; the slag pot support (15) is arranged inside the pot body (2) and is used for supporting a slag pot entering the hot sultry pot; the guiding device (14) is arranged on the upper part of the slag pot support (15) and is used for guiding the slag pot entering the hot sultry to help the slag pot to be positioned.
The driving mechanism of the tank cover turning device (3) is a turning oil cylinder, the tank cover is turned to move downwards to close the tank cover when the turning oil cylinder is extended, and the tank cover is turned to move upwards to open the tank cover when the oil cylinder is shortened.
The hot stuffy tank further comprises a cleaning device (7), wherein the cleaning device (7) is formed into a small hole communicated with the inside and the outside of the tank body flange, and the nitrogen sweeps the surface of the tank body flange through the small hole to remove slag and dirt before the tank cover (1) is closed, so that the tank cover (1) is well engaged.
The hot stuffy tank further comprises a safety device (10), wherein the safety device (10) is installed above the tank cover (1) or on the tank body (2) and used for automatically discharging air when steam in the hot stuffy tank reaches a preset pressure.
The hot stuffy tank further comprises a drainage device (11), wherein the drainage device (11) is installed at the bottom of the tank body (2) and used for draining water when the water level of the tank body is too high.
The hot stuffy tank further comprises an exhaust pressure stabilizing device (12) which is arranged above the tank cover (1) and used for opening the exhaust pressure stabilizing device (12) to exhaust and release pressure when the pressure in the tank body exceeds a preset pressure.
Wherein, exhaust pressure stabilizer (12) are located jar side wall and cover top respectively, and one of them exhaust apparatus passes through the pipeline and connects to the factory building outside for discharge have the unnecessary steam in the hot stifled jar of pressure hot smoldering in-process in order to maintain the constant pressure, and another exhaust apparatus is then when hot smoldering is ended, the cover is opened preceding exhaust release.
The hot stuffy tank also comprises a safety monitoring device (13) which is arranged on the tank body (2) and/or the tank body (1) and is used for monitoring the pressure, the temperature and/or the gas concentration of the pressure hot stuffy tank.
The hot closed tank also comprises a gas displacement device (16) which is arranged on the tank body (1) and is used for introducing nitrogen into the tank body to displace hydrogen in the tank body.
The utility model relates to a vertical steel slag pressure hot stuffy processing method, preferably adopt foretell pressure hot stuffy jar to carry out the method of hot stuffy, include the following step:
(1) feeding the solid steel slag into a hot stuffy tank; after the molten liquid steel slag is cooled, solidified and crushed to solid hot steel slag with the temperature of about 300-500 ℃ and the granularity of less than 300mm, the solid hot steel slag preferably enters a slag pot through a chute to be hot stuffy and loaded with slag, the slag pot is lifted into a pot body of a large-diameter vertical steel slag with a hot pressing stuffy pot by a crane, the slag pot is placed on a slag pot support (15) through a guide device (14) in the pot body, then a pot cover enables a pot cover flange (23) and a pot body flange (24) to be aligned through a turning oil cylinder of a pot cover turning device (3) and a lifting oil cylinder (38) of a pot cover lifting device (4), the pot cover and the pot body are locked through a rotating oil cylinder of a pot cover locking device (5), and an annular sealing piece (6) of a sealing device floats up to seal the pot cover flange (23) and the pot body;
(2) hot pressing and smoldering; after the tank cover is locked and sealed with the tank body, the water spraying device (9) starts to spray water for cooling, pressurized saturated steam is formed in the tank body and permeates into the steel slag through gaps, and unstable substances contained in the steel slag preferably are free calcium oxide for reaction and expansion, so that the stabilization treatment of the steel slag is realized, the separation constant pressure control between iron slag is completed, in the process of hot pressing and smoldering, the pressure and the temperature of the saturated steam in the tank body are monitored in real time through the safety monitoring device (13), the combustible gas components and concentration values in the tank body are also monitored in real time, on one hand, the steam in the tank body is ensured to reach the required pressure through gas leakage of the sealing device, on the other hand, the exhaust pressure stabilizing device (12) is controlled to adjust the opening of the tank body;
(3) gas replacement; when hot stewing is finished, the concentration value of combustible gas generated in the hot stewing process of the steel slag in the tank body is not in a safe range, in order to ensure the slag discharging safety, an inert gas is introduced into the tank body by a gas replacement device (16) when the hot stewing is finished, the combustible gas is extruded out through an exhaust pressure stabilizing device (12), and finally, the safe replacement is realized;
(4) deslagging; before the tank cover is unlocked and opened, the exhaust pressure stabilizing device (12) is opened, gas in the sealing device is exhausted, and the tank cover can be opened until the pressure in the tank body is zero, so that the slag tank containing the processed steel slag is lifted out by a travelling crane.
Preferably, the tank body is a vertical cylindrical pressure container, and the tank cover is a quick-opening tank cover. The diameter of cover equals with jar body diameter, and jar internal diameter is between 3 meters and 8 meters, and opening and locking of cover such as cover accessible cover turning device, cover elevating gear, cover locking device, cover anti-rotation device are realized to the cover. The cover opening mode is that the cover locking device is driven to rotate the cover, the cover lifting device is driven to lift the cover, and the cover overturning device is driven to overturn and open the cover. The closed mode of cover is that drive cover turning device overturns and closes cover to certain angle, drives cover elevating gear and descends the cover, and rotatory cover of drive cover locking device is in locking state to the jar body and cover. The water spraying device is annularly arranged along the top of the inner wall of the tank cover or along the inner side of the tank body. The tank cover turning device, the tank cover lifting device and the tank cover locking device are driven by a hydraulic oil cylinder and a hydraulic system. The sealing device consists of a high-temperature-resistant inflatable sealing ring and compressed gas or a high-temperature-resistant sealing ring. The cleaning device can clean the position which is easy to drop slag. Specifically, a circle of small holes are communicated with the inside and the outside of the tank cover flange, and before the tank cover is closed, nitrogen sweeps the surface of the flange through the small holes to remove slag and dirt and ensure good meshing of the tank cover. The tank cover anti-rotation device is used for preventing the tank cover from rotating in the overturning process. The anti-rotation device is installed at the top above the tank cover, when the tank cover moves vertically upwards, the movable arm frame is slowly embedded into the anti-rotation device for positioning, so that the tank cover does not rotate in the overturning process, and the tank cover and the tank body flange can be well meshed without dislocation under the condition that the tank cover is closed next time. The water spraying device is used for cooling the solid steel slag, eliminating activity and the like. The safety device is used for preventing explosion caused by sharp pressure rise in the tank body in the hot smoldering process, and is preferably a safety valve, and the tank is preferably a set of low-pressure container equipment. Under the guide of the guide device, the operation of the slag pot entering and exiting the tank body is completed through a travelling crane in the plant. The safety monitoring device is arranged on the side wall of the tank body and used for monitoring the pressure and the temperature of saturated steam in the tank body, the exhaust pressure stabilizing device is also used for monitoring the components of combustible gas in the tank body and the concentration value and is arranged on the side wall of the tank body and used for discharging redundant steam in the tank body in the hot and cold pressing process so as to maintain constant pressure optimization, the backwater generated in the hot and cold pressing process is based on the value fed back by the safety monitoring device, when the hot and cold pressing is finished through the drainage device, before the tank cover is opened, the gas replacement device also introduces inert gas into the tank body according to the value fed back by the safety monitoring device, the combustible gas is extruded through the exhaust pressure stabilizing device, and finally, the safety. The constant pressure control and the gas replacement are controlled in real time by a computer control system according to data fed back by a safety monitoring device arranged on the tank body, and the steel slag in the slag tank is pulverized in a steam pressure atmosphere below 0.2-0.4 Mpa. Wherein, under the guide of guider, accomplish the operation of sediment jar business turn over jar body through the driving in the factory building. The safety monitoring device is arranged on the side wall of the tank body and used for monitoring the pressure and the temperature of saturated steam in the tank body, the exhaust pressure stabilizing device is also used for monitoring the components and the concentration value of combustible gas in the tank body and arranged on the side wall of the tank body and used for discharging redundant steam in the tank body in the hot and stuffy process so as to maintain constant pressure optimization, backwater generated in the hot and stuffy process is discharged according to the value fed back by the safety monitoring device, when the hot and stuffy discharge is finished through the drainage device, before the tank cover is opened, the gas replacement device also introduces inert gas into the tank body according to the value fed back by the safety monitoring device, the combustible gas is discharged through the exhaust pressure stabilizing device, and finally, the safety replacement is realized.
The constant pressure control and the gas replacement are controlled by a computer control system in real time according to data fed back by a safety monitoring device arranged on the tank body to complete optimization, and the steel slag in the slag tank is pulverized in the following steam pressure atmosphere. After the solid slag tank enters the hot stuffy tank, the whole hot stuffy process and the tank cover opening process are interlocked in a full-automatic control mode, misoperation caused by inching control of workers is reduced, and safe operation and equipment protection are facilitated.
Drawings
FIG. 1 is a front view of a large-diameter vertical steel slag hot-pressing smoldering tank.
Fig. 2 is a schematic structural diagram of the slag pot.
Fig. 3 is a schematic structural view of a pressure hot stuffy can sealing device.
Fig. 4 is a partially enlarged schematic view of the sealing device.
Fig. 5 is a schematic structural view of the cleaning device.
Fig. 6 is a schematic view of the structure of the ring seal.
FIG. 7 is a schematic view of the rodent fit of the can lid flange and can body flange.
Figure 8 is a partial schematic view of the can lid flange and can body flange in rodent form.
FIG. 9 is a schematic view of a rotation prevention system for a pressure-heated pot lid.
Fig. 10 is a schematic view of an anti-rotation device.
Fig. 11 is a schematic structural view of a pressure-heating quick-opening device for a smoldering tank.
FIG. 12 is a schematic view of the pressure-heated stuffy can lifting device.
Fig. 13 is a schematic view showing the details of the structure of the pressure-heating smoldering tank lifting device.
FIG. 14 is a schematic diagram of the upper and lower limit of the pressure hot stuffy can lifting device.
Fig. 15 is a schematic structural view of a pressure hot stuffy tank locking device.
Figure 16 is a schematic view of the lid flange and can body flange in a locked and unlocked position.
Detailed Description
As shown in fig. 1 to 3, a large-diameter vertical steel slag pressure-heating stew-tank includes: the tank cover comprises a tank cover 1, a tank body 2, a tank cover turning device 3, a tank cover lifting device 4, a tank cover locking device 5, a water spraying device 9, a guiding device 14, a slag tank support 15 and a movable arm device 17; the tank cover turning device 3 is hinged with the bottom of the outer side of the tank body and the left side of the movable arm device 17 through a pin shaft respectively and is used for enabling the movable arm device 17 to drive the hot stuffy tank cover 1 to turn over through the tank cover turning device 3 so as to open or close the tank cover; the right side of the movable arm device 17 is connected with the tank cover lifting device 4 and is used for driving the tank cover 1 to vertically move up and down through the tank cover lifting device 4; one end of the can cover locking device 5 is fixed on the can body 2, and the other end of the can cover locking device 5 is used for driving the can cover 1 to enable the can cover 1 to rotate around the central axis of the can cover to lock the can cover; the water spraying device 9 is arranged inside the tank cover 1 and is used for spraying water to the steel slag in the hot stuffy tank; the slag pot support 15 is arranged inside the pot body 2 and is used for supporting a slag pot entering a hot closed pot; a guiding device 14 is arranged on the upper part of the slag pot support 15 and is used for guiding the slag pot entering the hot sultry to help the slag pot to be positioned. The slag pot support 15 is arranged in the tank body, the guiding device 14 is arranged on the upper portion of the slag pot support 15, the guiding device 14 guides a slag pot entering the hot closed tank to help the slag pot to be positioned, the slag pot support 15 provides support for the slag pot entering the hot closed tank, the gas replacement device-16 is arranged in the middle of the tank body, and after the hot closed of steel slag in the tank is finished, nitrogen is introduced into the tank by the device, so that a small amount of hydrogen generated by reaction in the tank is replaced. The main body of the movable arm device 17 is of a frame structure and is used for connecting a tank cover through a vertical oil cylinder to realize the function of vertical movement of the tank cover; the tank cover is driven by the turnover oil cylinder to realize the turnover function so as to open and close the tank cover. A slag pot support 20 and a cylindrical trunnion 19 are arranged on the upper side part of the slag pot 18, a crown block plate is hooked on the cylindrical trunnion 19, and after the slag pot 18 is placed into a vertical pressure hot stuffy pot, the slag pot support 20 is placed on the slag pot support 15 of the hot stuffy pot. A plurality of drain holes 21 are arranged on the slag pot so as to drain the excessive water entering the slag pot. The main hook of the crown block is hooked on the cylindrical trunnion 19, and the auxiliary hook is hooked on the slag pot lifting lug 22, so that slag in the slag pot can be poured out. The slag ladle lug 22 is preferably disposed at a lower portion of the slag ladle 18.
As shown in fig. 1-3, the driving mechanism of the tank cover turning device 3 is a turning cylinder, the tank cover is turned downwards to close the tank cover when the turning cylinder is extended, and the tank cover is turned upwards to open the tank cover when the cylinder is shortened. Wherein, the hot stifled jar still includes cleaning device 7, and cleaning device 7 forms into the aperture with jar body flange inside and outside intercommunication for before cover 1 is airtight, nitrogen gas sweeps jar body flange surface through the aperture in order to clear away the scum dirt, guarantees that cover 1 well meshes, preferredly only sweeps jar body flange surface, because the sediment probably falls on this surface when the jar is gone out to the article in jar. Wherein, the hot stifled tank also comprises a safety device 10, the safety device 10 is arranged above the tank cover 1 or on the tank body 2, and is used for automatically deflating the safety device 10 when the steam in the hot stifled tank reaches the preset pressure. The hot stuffy tank also comprises a drainage device 11, wherein the drainage device 11 is arranged at the bottom of the tank body 2 and used for draining water when the water level of the tank body is too high. The hot stuffy tank also comprises an exhaust pressure stabilizing device 12 which is arranged above the tank cover 1 and used for opening the exhaust pressure stabilizing device 12 to exhaust and relieve pressure when the pressure in the tank body exceeds a preset pressure. The exhaust pressure stabilizing device 12 is respectively positioned on the side wall of the tank body and the top of the tank cover, one exhaust device is connected to the outside of a factory building through a pipeline and used for exhausting redundant steam in the hot stuffy tank in the hot stuffy process so as to maintain constant pressure, and the other exhaust device is used for exhausting and releasing pressure before the tank cover is opened when the hot stuffy process is finished. The thermally smoldering tank further comprises a safety monitoring device 13 mounted on the tank body 2 and/or the tank body 1 for monitoring the pressure, temperature and/or gas concentration of the thermally smoldering tank. The thermally closed tank further comprises a gas displacement device 16 mounted on the tank body 1 for introducing nitrogen gas into the tank body to displace hydrogen gas from the tank body.
As shown in fig. 1-3, the utility model relates to a vertical steel slag pressure hot stuffy processing method, preferably adopts the above-mentioned pressure hot stuffy tank to carry out hot stuffy method, comprising the following steps:
(1) feeding the solid steel slag into a hot stuffy tank; after the molten liquid steel slag is cooled, solidified and crushed into solid hot steel slag with the temperature of about 300-500 ℃ and the granularity of less than 300mm, the solid hot steel slag preferably enters a slag tank through a chute to be hot stuffy and loaded with slag, the slag tank is lifted into a tank body of a large-diameter vertical steel slag with a hot-pressing stuffy tank by a crane, the slag tank is placed on a slag tank support 15 through a guide device 14 in the tank body, then a tank cover is locked between the tank cover and the tank body through a turning oil cylinder of a tank cover turning device 3 and a lifting oil cylinder 38 of a tank cover lifting device 4 to enable a tank cover flange 23 and a tank body flange 24 to be aligned in a grinding manner, and a rotating oil cylinder of a tank cover locking device 5 is used for locking the tank cover and the tank body, and an;
(2) hot pressing and smoldering; after the tank cover and the tank body are locked and sealed, the water spraying device 9 starts to spray water and cool, pressurized saturated steam is formed in the tank body and permeates into the steel slag through gaps, and the steel slag is reacted and expanded with unstable substances contained in the steel slag, preferably free calcium oxide, so that the stabilization treatment of the steel slag is realized, the separation constant-pressure control between iron and slag is completed, in the process of pressure heating and stuffiness, the pressure and the temperature of the saturated steam in the tank body are monitored in real time through the safety monitoring device 13, the combustible gas components and the concentration value in the tank body are also monitored in real time, on one hand, the steam in the tank body is ensured to reach the required pressure through gas leakage of the sealing device, on the other hand, the exhaust pressure stabilizing device 12 is controlled to;
(3) gas replacement; when hot stewing is finished, the concentration value of combustible gas generated in the hot stewing process of the steel slag in the tank body is not in a safe range, in order to ensure the slag discharging safety, the gas replacement device 16 introduces inert gas into the tank body when the hot stewing is finished, the combustible gas is extruded out through the exhaust pressure stabilizing device 12, and finally the safe replacement is realized;
(4) deslagging; before the tank cover is unlocked and opened, the exhaust pressure stabilizing device 12 is opened, gas in the sealing device is discharged, and the tank cover can be opened until the pressure in the tank body is zero, so that the slag tank containing the processed steel slag is lifted out by a travelling crane.
Preferably, the pressure hot-disintegrating treatment method comprises the steps of hoisting a slag tank filled with the steel slag with a certain temperature of about 300-500 ℃ into a slag tank support in the steel slag pressure hot-disintegrating tank, closing a tank cover through a turning oil cylinder, a lifting oil cylinder and a rotating oil cylinder, locking and sealing, spraying hot slag to the steel slag in the tank body by a water spraying device at the top of the tank cover, rapidly cooling the surface layer when the hot slag meets water, enabling the surface layer of the steel slag to be disintegrated and generate cracks due to stress generated by temperature difference, enabling a large amount of low-pressure steam generated after the waste heat of the steel slag heats water to quickly cover the surface of the steel slag and permeate into the cracks, rapidly reacting with a free state in the slag, changing the organization structure, reducing the specific gravity, generating expansion due to the increase of the volume of the steel slag. Because the reaction process is carried out in a closed pressure container, the water vapor formed after water spraying is not discharged outside, and a certain pressure and temperature atmosphere is formed in the tank, under the action of the pressure, the steam can penetrate into the interior of the massive steel slag through the fine cracks to react instead of only staying on the surface of the steel slag, the reaction speed is improved, and the slag blocks are further rapidly cracked and pulverized. The above processes are repeated from the outside to the inside until the free state in the steel slag is fully digested and the steel slag is pulverized, so that the steel slag subjected to the pressure and hot stuffiness treatment can achieve two purposes of stable treatment and pulverization treatment in a short time. Therefore, the pressure hot-disintegration treatment technology is an advanced treatment technology which simultaneously solves the problems of rapid stabilization and pulverization of the converter steel slag.
The utility model discloses utilize the slag waste heat to handle the slag in airtight pressure vessel, do not consume the external energy, can not produce the dust, in the energy-efficient environmental protection processing procedure, water does not contact with melting slag, pressure vessel is furnished with safety device, safe and reliable, this method processing cycle is short in addition, pulverization is effectual, can fully clear up the free state in the slag, the slag stability after the processing is good, can be used for aspects such as building materials and road, can realize the resource cyclic utilization of slag. The water spraying device sprays cooling water to the hot slag to rapidly cool the steel slag, saturated water vapor generated after water spraying forms pressure in the tank, steel slag blocks can be rapidly cracked and pulverized through pressure and hot stuffiness, and the steel slag can be subjected to stable treatment and pulverization treatment in the left and right directions. The waste heat of the steel slag is utilized to heat water to generate saturated steam, the working pressure in the hot disintegration process of the steel slag is improved, the permeation rate of the saturated steam in a steel slag system is improved, the steam is fully contacted with the steel slag, and the rapid digestion reaction of unstable free calcium oxide in the steel slag is promoted.
As shown in fig. 3-8, the utility model provides a sealing device for large-diameter vertical steel slag pressure-heat stifled tank, which is used for sealing the tank cover 1 and the tank body of the heat stifled tank, the sealing device comprises: a tank cover flange 23 of the hot-stuffy tank cover 1, a tank body flange 24 of the tank body and an annular sealing element 6; the can lid flange 23 has a bottom surface disposed opposite to the upper surface of the can body flange 24; the tank flange 24 is provided with an annular tank flange sealing groove 27, and the tank flange sealing groove 27 is arranged on the upper surface of the tank flange 24; the annular sealing element 6 is arranged in the annular tank body flange sealing groove 27, the upper part of the annular sealing element 6 is of a circular ring structure, the lower part of the annular sealing element 6 is of an inverted V-shaped groove, the circular ring structure of the upper part is matched with the bottom surface of the tank cover flange 23, and the inverted V-shaped structure of the lower part is matched with the groove bottom surface of the tank body flange sealing groove 27; the tank body flange 24 has a passage hole, preferably an L-shaped passage hole, having a vertical passage communicating with the vertical passage and a horizontal passage communicating with the inverted V-shaped groove for feeding the gas injected from the horizontal passage into the inverted V-shaped groove through the vertical passage, thereby floating the ring-shaped seal member 6 to seal the tank cover flange 23 and the tank body flange 24 arranged up and down.
As shown in fig. 3-8, after the large-diameter vertical hot closed tank is closed and the tank cover 1 is locked, nitrogen with certain pressure is injected into the annular sealing member 6 through the nitrogen inlet 26 on the tank flange 24 before the hot closed action of the steel slag is carried out, and the annular sealing member 6 is arranged in the tank flange groove of the hot closed tank between the tank flange and the tank cover flange. After floating up, the lower plane of the tank cover flange 23 is pressed for sealing the quick opening device. After the hot smoldering of the steel slag is finished, before the large-diameter vertical hot smoldering tank is opened to the tank cover 1, a two-position three-way electromagnetic valve of a main nitrogen pipeline is opened to release the pressure, nitrogen below the annular sealing element 6 is discharged through a nitrogen inlet 26 on a tank body flange 24, and the annular sealing element 6 descends. Therefore, the sealing performance of the large-diameter vertical hot stuffy tank 1 in the hot stuffy process can be ensured, the abrasion of the opening and closing process of the tank cover 1 on the annular sealing element 6 can be reduced, and the service life of the annular sealing element 6 is prolonged. The annular seal 6 is annular and is disposed in an annular groove of the can body flange. The surface of the annular upper part of the sealing device is in contact fit with the flange of the tank cover, the surface of the annular lower part of the sealing device is in contact fit with the bottom of the annular groove of the flange of the tank cover, namely the section of the sealing device is approximately a solid rectangle, the bottom of the rectangle is provided with an inverted V-shaped groove, the section of the framework is a solid rectangle (the whole sealing device is made of high-temperature-resistant silicon rubber materials), and the sealing lip is an inverted V-shaped outer framework; the inverted V-shaped interior is used to store nitrogen. Compressed nitrogen enters the inverted V-shaped groove, thereby floating the sealing device and sealing the upper and lower flanges.
The sealing device is arranged in the sealing groove of the flange of the tank body. The flange sealing groove is communicated with the vertical channel of the small hole of the L-shaped channel, the horizontal channel of the small hole of each L-shaped channel corresponds to a nitrogen inlet, the nitrogen inlet is a straight pipe section and a pipe orifice flange, the straight pipe section is connected with the horizontal end of the small hole of the L-shaped channel, and the pipe orifice flange is connected with an annular main pipeline outside. The main pipeline is provided with a main nitrogen inlet and a two-position three-way electromagnetic valve. The total nitrogen inlet is used for nitrogen to enter and exit the sealing device; the two-position three-way electromagnetic valve is used for discharging nitrogen in the sealing device. After the pressure hot closed tank is closed and the tank cover is locked, before the hot closed action of the steel slag is carried out, nitrogen with certain pressure (0.4-0.6 Mpa) is injected into the sealing device through the small hole on the quick opening device, the sealing device floats upwards and is used for sealing the quick opening device
As shown in fig. 3 to 8, the annular seal member 6 has a substantially solid rectangular shape in cross section, and an inverted V-shaped groove is formed in the bottom of the rectangular shape, and the outer side of the inverted V-shaped groove is formed as a seal lip, and the inside of the inverted V-shaped groove is used for storing gas. The pressure of the injected gas is 0.4-0.6Mpa, and the annular sealing element 6 is made of high-temperature resistant silicon rubber material. 6-12 of these passage openings are arranged uniformly in the form of a ring on the tank flange 24 for the purpose of injecting gas into the ring seal 6 or for the purpose of discharging gas therefrom. The vertical passageway of passageway aperture is vertical upwards to communicate with flange seal groove 27 to communicate with the inverted V-shaped groove of annular seal 6, the horizontal passageway level of passageway aperture extends and corresponds the intercommunication and sets up the gas inlet section on the radial lateral surface of jar body flange 24, and gas inlet section includes straight tube section and mouth of pipe flange, the one end of straight tube section with horizontal passageway links to each other, and the other end and the mouth of pipe flange intercommunication of straight tube section. The pipe orifice flange is connected with a main pipeline, the main pipeline is provided with a main gas inlet and a two-position three-way electromagnetic valve, and the main gas inlet is arranged to enable gas to enter and exit the sealing device; the two-position three-way electromagnetic valve is used for discharging gas in the sealing device. Wherein the gas is compressed nitrogen.
Wherein, the large-diameter vertical steel slag pressure-heating smoldering tank comprises a smoldering tank cover 1 and a tank body; the hot-closed tank cover 1 is arranged at the top of the tank body in a sealing way through the sealing device, a cover flange 23 is arranged on the peripheral side of the hot-closed tank cover 1, and a tank body flange 24 is arranged on the peripheral side of the upper part of the tank body. As shown in fig. 3 to 8, the can body flange 24 has a ] shaped groove, and the outer peripheral side of the can lid flange 23 is provided with a mesh tooth which is engagingly engaged into the ] shaped groove of the can body flange 24.
As shown in fig. 3-8, the utility model relates to a sealing method for large-diameter vertical steel slag pressure-heating sulk, preferably using the above-mentioned sealing device for sealing, characterized in that, the method comprises the following steps:
the first step is as follows: opening a main gas inlet, and sending gas into the inverted V-shaped groove through the small hole of the L-shaped channel, so that the annular sealing member 6 floats to seal the tank cover flange 23 and the tank body flange 24 which are arranged up and down;
the second step is that: closing a main gas inlet, opening an electromagnetic valve, preferably a two-position three-way electromagnetic valve, so that the inverted V-shaped groove is communicated with the atmosphere through an L-shaped channel small hole and used for discharging gas in the inverted V-shaped groove of the annular sealing element 6, and no gas is input into the inverted V-shaped groove; the third step: since the hot stuffer can lid 1 is not subjected to pressure at the top of the annular seal 6, the weight of the hot stuffer can lid 1 puts pressure on the annular seal 6 forcing the annular seal 6 down, thus completing the pressure relief of the seal.
As shown in fig. 9 to 15, a major diameter vertical steel slag autoclave stuffy can lid anti-rotation system comprises: the tank cover anti-rotation device 8 and the movable arm device 17, wherein the tank cover anti-rotation device 8 is arranged on a tank cover upper plane 28; the tank cover anti-rotation device 8 comprises a limiting plate 29, a base plate 30 and a reinforcing rib plate 31, wherein the base plate 30 is fixedly connected to the upper part of the tank cover upper plane 28 and is positioned right below the movable arm device 17; the two limit plates 29 are respectively fixedly connected to the left side and the right side of the upper surface of the base plate 30, and the reinforcing rib plate 31 is fixedly connected to the upper surface of the base plate 30 and is fixedly connected with the limit plates 29 on the left side and the right side of the base plate 30; the boom 17 is disposed between two limit plates 29 with a clearance fit for preventing the tank cover from turning back.
As shown in fig. 9-15, the base plate 30 is a long rectangular steel plate, and the limiting plates 29 and the reinforcing rib plates 31 are trapezoidal steel plates; the reinforcing rib plate 31 is vertically fixed to the limit plates 29 on the left and right sides of the base plate 30. The main body of the movable arm device 17 is of a frame structure, the left side of the movable arm device 17 is hinged with the tank cover overturning device 3, and the right side of the movable arm device 17 is fixed with the lifting device 4 and used for realizing the function of up-and-down lifting movement of the hot stuffy tank cover; the movable arm device 17 drives the hot stuffy tank cover to realize the function of overturning and uncovering through the tank cover overturning device 3 so as to be used for opening and closing the hot stuffy tank cover. The shortest distance between the two limit plates 29 is a clearance fit of 0.5 mm to the outer dimension of the actuator 17. The reinforcing rib plate 31 is fixedly connected with the plate 29 and the plate 30 and plays a role of reinforcing rib.
As shown in fig. 9 to 15, the lifting device 4 includes: a vertical shaft 36, a cylinder sleeve 37, and a lift cylinder 38; the upper end of the vertical shaft 36 is connected with a piston rod 35 of a lifting cylinder 38, and the lower end of the vertical shaft 36 is connected with the hot stuffy tank cover 1 and used for lifting the hot stuffy tank cover through the extension and contraction of the lifting cylinder 38; the piston rod 35 is located in a cylinder sleeve 37, the cylinder sleeve 37 is provided with an upper flange and a lower flange 32, the upper flange is connected with a cylinder flange of the lifting cylinder 38, the lower flange 32 is connected with a movable arm top flange 33 on the upper portion of the movable arm sleeve 34, the movable arm sleeve 34 is arranged at the far right end of the movable arm device 17 and is used for fixedly supporting the lifting cylinder 38 on the movable arm device 17 through the movable arm sleeve 34 and the cylinder sleeve 37. The upper end of the vertical shaft 36 is connected to the piston rod 35 of the lift cylinder 38 in a cylinder sleeve 37, and the lower end of the vertical shaft 36 extends from the boom sleeve 34 and is connected to the tank cover upper flat surface 28 in the middle of the hot stuffer tank cover. The upper flange is connected with the cylinder body flange through a fastener, the lower flange 32 is connected with the movable arm top flange 33 through a fastener, the movable arm top flange 33 is welded to the upper portion of the movable arm sleeve 34, and the movable arm sleeve 34 is welded to the far end of the right side of the movable arm device 17. The fastener is a bolt and a nut. The lifting device also comprises an inductance limit meter, and the upper limit and the lower limit of the lifting device are limited by the inductance limit meter; the motion of the piston rod 35 of the lifting oil cylinder 38 is controlled by an inductive limit gauge, so that the upward or downward motion of the tank cover is stopped. A tank cover flange 23 is arranged on the peripheral side of the hot stuffy tank cover 1, and a tank body flange 24 is arranged on the peripheral side of the upper part of the tank body; the can body flange 24 has a ] shaped groove, and the outer peripheral side of the can lid flange 23 is provided with a mesh tooth which is engagably inserted into the ] shaped groove of the can body flange 24. Wherein, elevating gear is down spacing to be: the tank cover flange 23 enters the tank body flange 24 and is positioned in the middle of the tank body flange 24, so that after the tank cover rotates, the tank cover flange 23 and the tank body flange 24 are smoothly meshed; the lifting device is limited upwards: the tank cover flange 23 and the tank body flange 24 are separated from each other in the vertical direction, so that the tank cover flange 23 and the tank body flange 24 do not interfere with each other when the tank cover is turned over and opened.
As shown in FIGS. 9 to 15, the utility model relates to a method for preventing the rotation of a large-diameter vertical steel slag pressured-hot covered tank cover, preferably using the above-mentioned rotation-preventing system, the method comprises a rotation-preventing step and a rotation-preventing step,
the anti-rotation steps are as follows:
the first step is as follows: the lifting oil cylinder 38 of the lifting device 4 is shortened, so that the tank cover translates upwards, the tank cover anti-rotation device 8 is combined with the movable arm device 17, namely the lower end of the movable arm device 17 is gradually clamped between the left limiting plate 29 and the right limiting plate 29 of the tank cover anti-rotation device 8, the movable arm device 17 is arranged between the two limiting plates 29 in a clearance fit manner, the hot stuffy tank cover cannot rotate circumferentially along the center of the tank cover, and the function of preventing the hot stuffy tank cover from rotating is achieved;
the second step is that: when the cover of the hot stifled tank is opened, the tank cover of the hot stifled tank does not rotate circumferentially along the center of the tank cover under the action of the tank cover anti-rotation device 8;
the fire-fighting rotary steps are as follows:
the first step is as follows: after the tank cover and the tank cover flange 23 return to the horizontal state from the maximum opening degree, the lifting oil cylinder 38 of the lifting device 4 extends to enable the tank cover to translate downwards, the tank cover anti-rotation device 8 descends along with the tank cover, and the tank cover flange 23 slowly enters the tank body flange 24;
the second step is that: when the lifting device 4 is limited at the lower part, the limiting plate 29 of the tank cover anti-rotation device 8 is just separated from the movable arm device 17, and the tank cover flange 23 completely enters the tank body flange 24, at the moment, the tank cover does not rotate, and the anti-rotation device prevents the tooth of the tank cover flange 23 from colliding with the tooth of the tank body flange 24;
the third step: since the function of the tank cover anti-rotation device 8 is cancelled at this time, the tank cover flange 23 can be accurately engaged with the tank body flange 24 through the rotation action, which is helpful for realizing the tank cover locking action.
As shown in fig. 11-16, the large-diameter vertical steel slag pressure-heating smoldering tank quick-opening device comprises a hot smoldering tank cover 1, a tank body flange 24, a tank cover turning device 3, a tank cover locking device 5 and a tank cover lifting device 4; a tank cover flange 23 is arranged on the periphery of the hot stuffy tank cover 1; one end of the tank cover locking device 5 is fixed on the tank body of the hot stifled tank, and the other end of the tank cover locking device 5 is connected with the hot stifled tank cover 1 in a driving way and is used for driving the hot stifled tank cover 1 to rotate around the central axis of the tank cover so as to lead the teeth of the tank cover flange 23 and the teeth of the tank body flange 24 to be changed from superposition to separation or from separation to superposition; the middle position of the upper surface of the hot stuffy tank cover 1 is connected with a tank cover lifting device 4, the right side of the movable arm device 17 is connected with the tank cover lifting device 4 and is used for driving the hot stuffy tank cover 1 to vertically move up and down through the tank cover lifting device 4, so that the rodent of the tank cover flange 23 enters the groove of the tank body flange 24 or comes out of the groove of the tank body flange 24; the left side of the movable arm device 17 is hinged with the tank cover turnover device 3, and the movable arm device 17 is used for driving the hot stuffy tank cover 1 to turn over through the tank cover turnover device 3 so as to open or close the tank cover. Wherein, the teeth of the tank cover flange 23 and the teeth of the tank body flange 24 are the teeth, the groove of the tank body flange 24 is provided with an upper top and a lower bottom, and the teeth of the tank body flange 24 are arranged on the upper top. After the cover flange 23 and the tank body flange 24 are engaged between the teeth, the clearance between two adjacent teeth is more than 10 mm. After the tank cover lifting device 4 descends to the lower limiting position of the lifting device, the rodent of the tank cover flange 23 enters the inner part of the tank body flange 24, the height of the inner part of the groove is larger than the thickness of the rodent of the tank cover flange 23, and the thickness is less than or equal to 5 mm after the height is subtracted.
As shown in fig. 11-16, the utility model relates to a method for quickly opening a large-diameter vertical steel slag pressure-heating smoldering tank, preferably, the method for quickly opening the large-diameter vertical steel slag pressure-heating smoldering tank by adopting the device comprises the following steps:
the first step is as follows: after the pressure-thermal stuffy tank is used for processing the steel slag, the sealing device of the pressure-thermal stuffy tank is used for releasing pressure to atmospheric pressure, and preferably, the inverted V-shaped groove of the annular sealing piece 6 of the sealing device is used for releasing pressure to atmospheric pressure;
the second step is that: under the action of the tank cover locking device 5, the thermally-stuffy tank cover 1 is driven to rotate around the central axis of the tank cover, so that the teeth of the tank cover flange 23 and the teeth of the tank body flange 24 are changed from superposition to separation;
the third step: under the action of the tank cover lifting device 4, the hot stuffy tank cover 1 is driven to move vertically upwards, so that the teeth of the tank cover flange 23 come out of the groove of the tank body flange 24 and are separated from the whole tank body;
the fourth step: under the action of the tank cover turning device 3, the hot stuffy tank cover 1 is horizontally turned to the maximum turning angle from the tank cover flange surface, and at the moment, the hot stuffy tank cover 1 is completely opened.
As shown in fig. 11-16, the tank cover turning device 3 is respectively connected with the bottom of the outer side of the tank body and the left side of the movable arm through pin shafts, the driving mechanism is an oil cylinder, the tank cover turns downwards when the oil cylinder extends, and the tank cover turns upwards when the oil cylinder shortens. The tank cover lifting device 4 is connected to a sleeve at the upper end of the movable arm device-17 through a bolt, the driving mechanism is an oil cylinder, the tank cover moves upwards when the oil cylinder extends, and the tank cover moves downwards when the oil cylinder shortens. The tank cover locking device 5 is characterized in that the driving mechanism is two or three sets of oil cylinders, one supporting point is connected and arranged above the tank body through a pin shaft, the other supporting point is arranged on a tank body sliding block through a pin shaft, and under the condition that the tank cover is closed, the tank body sliding block is meshed with a tank cover positioning seat (the tank cover positioning seat is arranged on the tank body), so that the oil cylinder extends to push the tank cover to rotate, the tank cover is meshed with a flange of the tank body, and the locking effect; the shortening of the oil cylinder also pushes the tank cover to rotate reversely, so that the meshed parts of the tank cover and the tank body flange are separated, and the tank opening function is realized. The sealing device 6 is a groove part in which the sealing ring is placed in the tank cover flange, is of an inverted V-shaped structure, and inflates the lower part of the sealing ring through an external inflation hole to enable the sealing ring to float, so that the sealing effect is achieved. The tank cover flange 23 is welded on the periphery of the tank cover end socket. The outer part of the flange is provided with outer rodents which are uniformly distributed. A tank flange 24 is welded to the periphery of the upper portion of the tank. The vertical surface of the flange of the tank body is of a ] -shaped groove structure, and the upper part of the ] -shaped groove is of an inner tooth structure which is uniformly distributed when being seen from the plane; the lower part of the groove is circular.
The quick opening device can realize the frequent opening and closing function of the pressure-heat stuffy tank cover, and can realize the pressure maintaining function of the pressure-heat stuffy tank when being combined with the sealing device. The quick opening device realizes the locking function of the tank cover through the following actions: under the action of the tank cover turning device 3, the tank cover 1 is turned from the maximum turning angle to the level of the flange surface of the tank cover. Both of these two points are controlled by limit switches. Under the action of the tank cover lifting device 4, the tank cover 1 and the tank cover flange 23 are driven to vertically descend, so that teeth of the tank cover flange 23 enter a groove of the tank body flange 24; under the action of the locking device, the tank cover and the tank cover flange 23 are driven to rotate along the central axis of the tank cover, so that the teeth of the tank cover flange 23 and the teeth of the tank body flange 24 are overlapped on the top view, and the function of closing the tank cover 1 is achieved.
After the steel slag is processed by the pressure-heat stuffy tank, the pressure is relieved through a valve on the tank body, and after the pressure is relieved by the sealing device 6, the locking device 5, the lifting device 4 and the turnover device 3 act in the opposite direction, so that the quick opening device realizes the function of opening the tank cover. After the cover flange 23 and the tank body flange 24 are meshed, a certain gap is formed between two adjacent meshed teeth; after the lifting device descends to the lower dead point, the mesh teeth of the tank cover flange enter the annular groove of the tank body flange 24, the upper height and the lower height of the inside of the annular groove are larger than the thickness of the mesh teeth of the tank cover flange and cannot be too large, otherwise, the sealing is not tight. After the locking device 5 is locked, the meshing contact surface of the tank cover flange 23 and the tank body flange is large enough to ensure the design pressure born by the large-diameter tank cover.
As shown in fig. 12 to 16, the utility model provides a vertical slag of major diameter has stifled jar cover elevating gear 4 (hoisting device), vertical slag of major diameter has stifled jar cover elevating gear 4 of pressure includes: a vertical shaft 36, a cylinder sleeve 37, and a lift cylinder 38; the upper end of the vertical shaft 36 is connected with a piston rod 35 of a lifting cylinder 38, and the lower end of the vertical shaft 36 is connected with the hot stuffy tank cover 1 and used for lifting the hot stuffy tank cover through the extension and contraction of the lifting cylinder 38; the piston rod 35 is located in a cylinder sleeve 37, the cylinder sleeve 37 is provided with an upper flange and a lower flange 32, the upper flange is connected with a cylinder flange of the lifting cylinder 38, the lower flange 32 is connected with a movable arm top flange 33 on the upper portion of the movable arm sleeve 34, the movable arm sleeve 34 is arranged at the far right end of the movable arm device 17 and is used for fixedly supporting the lifting cylinder 38 on the movable arm device 17 through the movable arm sleeve 34 and the cylinder sleeve 37.
As shown in fig. 12 to 16, the upper end of the vertical shaft 36 is connected to the piston rod 35 of the lift cylinder 38 in the cylinder sleeve 37, and the lower end of the vertical shaft 36 is extended from the boom sleeve 34 and connected to the tank cover upper flat surface 28 in the middle of the hot stuffer tank cover. The upper flange is connected with the cylinder body flange through a fastener, the lower flange 32 is connected with the movable arm top flange 33 through a fastener, the movable arm top flange 33 is welded to the upper portion of the movable arm sleeve 34, and the movable arm sleeve 34 is welded to the far end of the right side of the movable arm device 17. The fastener is a bolt and a nut. The lifting device further comprises an inductance limiting meter, the inductance limiting meter is provided with an upper limiting inductance limiting meter and a lower limiting inductance limiting meter, the upper limiting inductance limiting meter and the lower limiting inductance limiting meter are fixed at the outer side of the movable arm sleeve 34 through a support and are used for positioning and controlling the lifting position of the tank cover, and the upper limiting inductance limiting meter and the lower limiting inductance limiting meter respectively limit the upper limiting and the lower limiting of the lifting device; the motion of the piston rod 35 of the lifting oil cylinder 38 is controlled by an inductive limit gauge, so that the upward or downward motion of the tank cover is stopped. A cover flange 23 is arranged on the outer periphery of the hot stuffy tank cover 1, and a tank body flange 24 is arranged on the upper outer periphery of the tank body. The can body flange 24 has a ] shaped groove, and the outer peripheral side of the can lid flange 23 is provided with a mesh tooth which is engagably inserted into the ] shaped groove of the can body flange 24.
As shown in fig. 12-16, the lower limit of the lifting device is: the tank cover flange 23 enters the tank body flange 24 and is positioned in the middle of the tank body flange 24, so that after the tank cover rotates, the tank cover flange 23 and the tank body flange 24 are smoothly meshed; the lifting device is limited upwards: the tank cover flange 23 and the tank body flange 24 are separated from each other in the vertical direction, so that the tank cover flange 23 and the tank body flange 24 do not interfere with each other when the tank cover is turned over and opened. Further preferably, the lower limit of the lifting device is: the rodent of the tank cover flange 23 enters the groove of the tank body flange 24 and is positioned in the middle of the groove of the tank body flange 24, so that the tank cover flange 23 and the tank body flange 24 are smoothly meshed after the tank cover rotates; the lifting device is limited upwards: the can lid flange 23 and the can body flange 24 are separated from each other in the vertical direction, that is, the teeth of the can lid flange 23 come out from the grooves of the can body flange 24, so that the can lid flange 23 and the can body flange 24 do not interfere with each other when the can lid is turned over and opened.
As shown in fig. 12-16, the present invention also relates to a method for lifting the lid of the pressure-heating smoldering pot of the vertical steel slag with a large diameter, preferably using the lifting device 4, wherein the lifting method comprises the following steps:
(1) when the cover is required to move upwards in a translation way, the device comprises:
(1.1) the piston rod 35 of the lifting oil cylinder 38 contracts, at the moment, the movable arm device 17 does not act, because the cylinder body flange of the lifting oil cylinder 38 is fixedly connected with the upper flange of the oil cylinder sleeve 37, the lower flange 32 of the oil cylinder sleeve 37 is fixedly connected with the movable arm top flange 33 on the upper part of the movable arm sleeve 34, and meanwhile, the piston rod 35 of the lifting oil cylinder 38 drives the tank cover to translate upwards, so that the tank cover translates upwards and is separated from the tank body.
(1.2) after the inductance limit meter of the lifting device senses the upper limit of the lifting device, the piston rod 35 of the lifting oil cylinder 38 stops moving, and at the moment, the tank cover flange 23 is completely separated from the tank body flange 24, so that the cover opening action of the turning oil cylinder in the next step can be carried out;
(2) when the cover needs to be translated downwards, the mechanism comprises the following components:
(2.1) extending a piston rod 35 of the lifting oil cylinder 38, wherein the movable arm device 17 does not act, and the cover translates downwards as a cylinder body flange of the lifting oil cylinder 38 is fixedly connected with an upper flange of an oil cylinder sleeve 37, a lower flange 32 of the oil cylinder sleeve 37 is fixedly connected with a movable arm top flange 33 on the upper part of a movable arm sleeve 34, and the piston rod 35 of the lifting oil cylinder 38 drives the cover to translate downwards;
(2.2) after the inductance limit meter of the lifting device senses the lower limit of the lifting device, the piston rod 35 of the lifting oil cylinder 38 stops moving, at the moment, the teeth of the tank cover flange 23 enter the tank body flange 24, the tank cover flange 23 and the tank body flange 24 are meshed in the vertical direction but in a state with a gap in the horizontal direction, and the tank cover locking action in the next step can be carried out.
When the tank cover needs to be translated upwards, a piston rod of a lifting oil cylinder of the lifting device contracts, the movable arm does not act at the moment, and the tank cover is translated upwards and separated from the tank body because the outer part of the lifting oil cylinder is fixedly connected with an upper flange of the sleeve through a flange, a lower flange of the sleeve is fixedly connected with the movable arm, and the piston rod of the lifting oil cylinder drives the tank cover to translate upwards.
When the tank cover needs to be translated downwards, a piston rod of a lifting oil cylinder of the lifting device extends, the movable arm does not act at the moment, the outer part of the lifting oil cylinder is fixedly connected with an upper flange of the sleeve through a flange, a lower flange of the sleeve is fixedly connected with the movable arm, and meanwhile, the piston rod of the lifting oil cylinder drives the tank cover to translate downwards, so that the tank cover translates downwards, the cover flange is meshed with the tank body flange, and the tank cover flange can be accurately meshed with the tank body flange, and the tank cover locking action is facilitated.
The tank cover lifting device is provided with an upper limit and a lower limit through an inductance limit meter. The motion of the piston rod of the lifting oil cylinder is controlled by the inductive limit meter, so that the tank cover is controlled to stop moving upwards or downwards.
As shown in fig. 11 and 15-16, the utility model provides a vertical slag of major diameter has pressure hot stifled jar locking device 5, locking device is used for the locking to hot stifled jar cover 1 and jar body 2, locking device includes: the tank cover positioning seat 39, the slideway 40, the tank body sliding block 41, the rotary oil cylinder and the rotary oil cylinder support 42; the tank cover positioning seat 39 is arranged at the edge of the tank cover, the slideway 40 is arranged at the edge of the tank body, one end of the tank body sliding block 41 is arranged in the slideway 40 in a sliding way, and the other end of the tank body sliding block 41 is matched with the tank cover positioning seat 39 in a driving way and is used for driving the hot and stuffy tank cover 1 to rotate around the central axis of the tank cover; the oil cylinder support 42 is installed at the edge of the tank body, one end of the rotary oil cylinder is fixed on the oil cylinder support 42 and used for fixing the rotary oil cylinder, and the other end of the rotary oil cylinder is connected with the tank body sliding block 41 and used for driving the tank body sliding block 41 to slide in the slide way 40, so that the tank cover positioning seat 39 is driven by the tank body sliding block 41 to enable the hot stuffy tank cover 1 to rotate around the central axis of the tank cover. The large-diameter vertical steel slag pressure-heating sulk comprises a sulk cover 1 and a sulk body; the hot-sealed tank cover 1 is arranged at the top of the tank body in a sealing manner, a cover flange 23 is arranged on the peripheral side of the hot-sealed tank cover 1, and a tank body flange 24 is arranged on the peripheral side of the upper part of the tank body. The can body flange 24 has a ] shaped groove, and the outer peripheral side of the can lid flange 23 is provided with a mesh tooth which is engagably inserted into the ] shaped groove of the can body flange 24. The piston rod of the rotary oil cylinder extends, so that the tank cover and the tank cover flange 23 rotate along the central axis of the tank cover, the rodent of the tank cover flange 23 and the rodent of the tank body flange 24 coincide, and at the moment, the function of locking the tank cover is achieved. The piston rod of the rotary oil cylinder is shortened, so that the tank cover and the tank cover flange 23 rotate along the central axis of the tank cover, the mesh teeth of the tank cover flange 23 and the tank body flange 24 are changed from overlapping to separating, and at the moment, the function of unlocking the tank cover is achieved. The locking device further comprises an inductance limiting meter, and the left limiting and the right limiting of the locking device are limited through the inductance limiting meter; the piston rod of the rotary oil cylinder is controlled to act through the inductive limit meter. The locking devices 5 are uniformly arranged along the circumferential direction of the pressure hot stuffy tank. The locking devices 5 are uniformly arranged in 3-4 numbers along the circumferential direction of the pressure hot stuffy tank.
As shown in fig. 11,15-16, the present invention relates to a method for locking a large-diameter vertical steel slag pressure-heating blank tank, preferably using the above-mentioned locking device 5, which comprises a tank cover locking step and a tank cover unlocking step;
the locking device realizes the locking step of the tank cover through the following actions:
the first step is as follows: the meshing teeth of the tank cover flange 23 are positioned in the groove of the tank body flange 24;
the second step is that: a piston rod of the rotary oil cylinder extends through a hydraulic pump station, and the electric inductance limit meter controls the piston rod of the rotary oil cylinder to stop after reaching the right limit from the left limit;
the third step: the rotary oil cylinder drives the tank body sliding block 41 to move in the slideway 40;
the fourth step: because the tank cover positioning seat 39 and the tank body sliding block 41 have the horizontal fixing function, the tank cover positioning seat 39 follows the tank body sliding block 41 to drive the tank cover and the tank cover flange 23 to rotate along the central axis of the tank cover so as to realize the rotation of the tank cover;
the fifth step: the tank cover and the tank cover flange 23 rotate along the central axis of the tank cover, so that the rodent of the tank cover flange 23 and the rodent of the tank body flange 24 are superposed, and the tank cover is locked;
the locking device realizes the step of unlocking the tank cover through the following actions:
the first step is as follows: the piston rod of the rotary oil cylinder is shortened through a hydraulic pump station, and the piston rod of the rotary oil cylinder is controlled by an inductance limit meter to stop after reaching the left limit from the right limit;
the second step is that: the rotary oil cylinder drives the tank body sliding block 41 to move in the slideway 40;
the third step: because the tank cover positioning seat 39 and the tank body sliding block 41 have the horizontal fixing function, the tank cover positioning seat 39 follows the tank body sliding block 41 to drive the tank cover and the tank cover flange 23 to rotate along the central axis of the tank cover so as to realize the rotation of the tank cover;
the fourth step: because the cover and the cover flange 23 rotate along the central axis of the cover, the teeth of the cover flange 23 and the cover flange 24 are changed from overlapping to separating, and at the moment, the function of unlocking the cover is achieved.
Preferably, the locking device realizes the tank cover locking function through the following actions: the tank body sliding block is driven to move in the slideway through the telescopic action of the rotary oil cylinder, and the tank cover positioning seat, the tank body sliding block and the like move in a follow-up mode to achieve a tank cover locking function and a tank cover unlocking function. The cover positioning seat has the fixed function of horizontal direction with jar body slider to the cover positioning seat can be through jar body slider follow-up, and drive cover and cover flange are rotatory along the central axis of cover and are realized the rotation of cover. The tank body slide block has a fixed running track in the slide way through the telescopic action of the rotary oil cylinder. A left limit and a right limit are set by an inductance limit meter. The piston rod of the rotary oil cylinder is controlled to act through the inductive limit meter, so that the tank cover is controlled to rotate leftwards or rightwards. Wherein, the tank cover flange is completely engaged with the tank body flange tooth space in the process of rotating along with the tank cover, so that locking is realized; and in the process that the tank cover flange rotates along with the tank cover, the tank cover flange is completely separated from the teeth of the tank body flange, so that unlocking is realized.
Preferably, as shown in fig. 11,15-16, the locking device achieves the locking function of the can lid by:
the first step is as follows: the mating teeth of the can lid flange 23 are in the ] grooves of the can body flange 24, as shown in the state of the left drawing of fig. 16;
the second step is that: the piston rod of the rotary oil cylinder extends through a hydraulic pump station, and due to the instruction and control of the inductance limit meter, the piston rod of the rotary oil cylinder stops after reaching the right limit (namely the extension of the piston rod of the rotary oil cylinder is in a vertically superposed state (see the right drawing of fig. 16) from the left limit (namely the rotary oil cylinder is in an original length state, and the meshed teeth of the tank body flange and the tank cover flange are in a vertically separated state (see the left drawing of fig. 16) and then the left limit inductance limit meter is triggered);
the third step: the rotating oil cylinder drives the tank body sliding block to move in the slideway;
the fourth step: the tank cover positioning seat and the tank body sliding block have a horizontal fixing function, so that the tank cover positioning seat follows up through the tank body sliding block to drive the tank cover and the tank cover flange to rotate along the central axis of the tank cover so as to realize the rotation of the tank cover;
the fifth step: the can lid and the can lid flange 23 are rotated about the central axis of the can lid so that the teeth of the can lid flange 23 and the can body flange 24 are overlapped in plan view (as shown in the right drawing of fig. 16), and at this time, the can lid-1 is locked.
The locking device realizes the function of unlocking the tank cover through the following actions:
the first step is as follows: the piston rod of the rotary oil cylinder is shortened through a hydraulic pump station, and the piston rod of the rotary oil cylinder stops after reaching the left limit from the right limit due to the instruction and control of the inductance limit meter;
the second step is that: the rotating oil cylinder drives the tank body sliding block to move in the slideway;
the third step: the tank cover positioning seat and the tank body sliding block have a horizontal fixing function, so that the tank cover positioning seat follows up through the tank body sliding block to drive the tank cover and the tank cover flange to rotate along the central axis of the tank cover so as to realize the rotation of the tank cover;
the fourth step: the can lid flange-23 and the can body flange-24 are rotated from overlapping to separating in a top view (as shown in the left side of fig. 16) as the can lid and the can lid flange-23 are rotated about the central axis of the can lid, which serves to unlock the can lid-1.
As shown in the left diagram of fig. 16, in this state, the teeth between the can lid flange-23 and the can lid flange-24 are not engaged, and there exists a dimension a, the dimension a is the distance between the outer side surface of the can lid flange tooth and the side surface of the can lid flange groove, the numerical range of the gap is 0 to 20mm, the dimension b is the distance between the outer side surface of the can lid flange tooth and the outer side surface of the can lid flange tooth, the numerical range of the gap is 0 to 20mm, and the two teeth can be overlapped up and down by the action of the locking device 5, so as to realize the locking function.

Claims (9)

1. The utility model provides a vertical slag of major diameter has hot stifled jar of pressure which characterized in that, hot stifled jar includes: the slag pot comprises a pot cover (1), a pot body (2), a pot cover turning device (3), a pot cover lifting device (4), a pot cover locking device (5), a water spraying device (9), a guiding device (14), a slag pot support (15) and a movable arm device (17); the tank cover turning device (3) is hinged with the bottom of the outer side of the tank body and the left side of the movable arm device (17) through a pin shaft respectively and used for enabling the movable arm device (17) to drive the hot stuffy tank cover (1) to turn over through the tank cover turning device (3) so as to open or close the tank cover; the right side of the movable arm device (17) is connected with the tank cover lifting device (4) and is used for driving the tank cover (1) to vertically move up and down through the tank cover lifting device (4); one end of the tank cover locking device (5) is fixed on the tank body (2), and the other end of the tank cover locking device (5) is used for driving the tank cover (1) so that the tank cover (1) rotates around the central axis of the tank cover to lock the tank cover; the water spraying device (9) is arranged inside the tank cover (1) and is used for spraying water to the steel slag in the hot stuffy tank; the slag pot support (15) is arranged inside the pot body (2) and is used for supporting a slag pot entering the hot sultry pot; the guiding device (14) is arranged on the upper part of the slag pot support (15) and is used for guiding the slag pot entering the hot sultry to help the slag pot to be positioned.
2. The large-diameter vertical steel slag pressure-heating smoldering tank as claimed in claim 1, characterized in that a driving mechanism of the tank cover turnover device (3) is a turnover oil cylinder, the tank cover is turned over and moved downwards to close the tank cover when the turnover oil cylinder is extended, and the tank cover is turned over and moved upwards to open the tank cover when the oil cylinder is shortened.
3. The large-diameter vertical steel slag pressure-heating smoldering tank as claimed in claim 1 or 2, characterized in that the smoldering tank further comprises a cleaning device (7), the cleaning device (7) is formed as a small hole communicating the inside and the outside of the flange of the tank body, and the nitrogen is used for purging the surface of the flange of the tank body through the small hole to remove the slag and ensure the engagement of the tank cover (1) before the tank cover (1) is closed.
4. The vertical steel slag hot-pressing smoldering tank with the large diameter as claimed in claim 1 or 2, characterized in that the smoldering tank further comprises a safety device (10), the safety device (10) is installed above the tank cover (1) or on the tank body (2) and is used for automatically discharging air when steam in the smoldering tank reaches a preset pressure.
5. The vertical steel slag hot-pressing smoldering tank with the large diameter according to the claim 1 or 2, characterized in that the smoldering tank further comprises a drainage device (11), the drainage device (11) is installed at the bottom position of the tank body (2) and is used for draining water when the water level of the tank body is too high.
6. The large-diameter vertical steel slag pressure-heating smoldering tank as claimed in claim 1 or 2, characterized in that the smoldering tank further comprises an exhaust pressure stabilizing device (12) arranged above the tank cover (1) and used for opening the exhaust pressure stabilizing device (12) to exhaust and relieve pressure when the pressure in the tank body exceeds a predetermined pressure.
7. The vertical steel slag hot-pressing smoldering pot with the large diameter according to claim 6 is characterized in that an exhaust pressure stabilizer (12) is respectively arranged on the side wall of the pot body and the top of the pot cover, one exhaust device is connected to the outside of a factory building through a pipeline and used for exhausting redundant steam in the hot-pressing smoldering pot to maintain constant pressure in the hot-pressing smoldering process, and the other exhaust device is used for exhausting and releasing pressure before the pot cover is opened when the hot smoldering is finished.
8. The vertical steel slag pressure-hot stuffy tank as claimed in claim 1 or 2, wherein said hot stuffy tank further comprises a safety monitoring device (13) mounted on the tank body (2) and/or the tank cover (1) for monitoring the pressure, temperature and/or gas concentration of the pressure-hot stuffy tank.
9. The vertical steel slag hot-pressing smoldering tank with large diameter as claimed in claim 1 or 2, characterized in that the smoldering tank further comprises a gas displacement device (16) mounted on the tank body (2) for introducing nitrogen gas into the tank body to displace hydrogen gas in the tank body.
CN202021628564.7U 2020-08-07 2020-08-07 Large-diameter vertical steel slag pressure-heating stuffy tank Active CN212451218U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111925143A (en) * 2020-08-07 2020-11-13 中冶节能环保有限责任公司 Large-diameter vertical steel slag pressure hot stuffy tank and steel slag treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111925143A (en) * 2020-08-07 2020-11-13 中冶节能环保有限责任公司 Large-diameter vertical steel slag pressure hot stuffy tank and steel slag treatment method

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