CN216005906U - Hot stuffy tank for hot stuffy treatment of steel slag - Google Patents
Hot stuffy tank for hot stuffy treatment of steel slag Download PDFInfo
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- CN216005906U CN216005906U CN202121597513.7U CN202121597513U CN216005906U CN 216005906 U CN216005906 U CN 216005906U CN 202121597513 U CN202121597513 U CN 202121597513U CN 216005906 U CN216005906 U CN 216005906U
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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
Abstract
The utility model discloses a hot stuffy tank for hot stuffy treatment of steel slag, which comprises a tank body, wherein a slag ladle seat is arranged inside the tank body, a slag ladle is arranged on the slag ladle seat, a water discharging device is arranged at the bottom of the tank body, an exhaust pressure stabilizing device is respectively arranged at the upper side and the lower side of the tank body, a gas monitoring device is connected at the lower side of the tank body, the tank body is connected with a tank cover through a flip device, a safety device, a water spraying device, a pressure relief valve and a high-pressure gas inlet device are arranged on the tank cover, a heat insulation cavity connected with the flip device is arranged at the upper end of the tank cover, a motor is fixedly connected in the heat insulation cavity, the motor is connected with a stirring rod, and the stirring rod passes through the tank cover and is suspended in the slag ladle. The stirring device is arranged in the utility model, so that the water vapor is fully contacted with the steel slag; the tank body is respectively provided with an exhaust pressure stabilizing device, two exhaust pipelines are controlled by an electromagnetic valve, exhaust valves with different heights are used in different time periods of thermal distress, inert gas is not required to be used for replacement, and explosion can be prevented.
Description
Technical Field
The utility model relates to the field of steel slag treatment, in particular to a hot stuffy tank for hot stuffy treatment of steel slag.
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, a wind quenching method and the like. The steel slag treatment method is a common hot disintegration method, wherein the fourth generation steel slag hot disintegration treatment technology is that the steel slag is firstly crushed by a rolling crusher until the granularity is below 300 mm; the temperature is reduced from 1600 ℃ to 800 ℃, and then the steel slag enters a hot stuffy tank, the steel slag waste heat is utilized to carry out hot stuffy under the working pressure of 0.2-0.4MPa, the working pressure is improved by about 100 times compared with the normal pressure tank type hot stuffy process, the osmotic pressure of water vapor in the steel slag is increased, the reaction rate of the water vapor and free calcium oxide in the steel slag is accelerated, and the steel slag can achieve the expected pulverization and stabilization treatment effect within about 1.5 hours.
The contact degree of the steam of the existing pressurized hot stuffy tank and the steel slag is much higher than that of the traditional hot stuffy tank, but the contact is still insufficient; in addition, the hot stuffy jar in the slag hot stuffy processing needs to be paid attention to and prevents to explode, and because density reason at the hot stuffy initial stage, combustible gas is in the top of vapor, and the gas vent generally is located jar body upper portion, and combustible gas can both be timely discharge, and at the hot stuffy later stage, vapor density descends, is located combustible gas's top gradually, and combustible gas can't in time discharge, has certain potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hot stuffy tank for hot stuffy treatment of steel slag aiming at the defects in the prior art.
In order to achieve the purpose, the utility model provides a hot stuffy tank for hot stuffy treatment of steel slag, which comprises a tank body, wherein a slag ladle seat is arranged inside the tank body, a slag ladle is arranged on the slag ladle seat, a drainage device is arranged at the bottom of the tank body, an exhaust pressure stabilizing device is respectively arranged on the upper side and the lower side of the tank body, the exhaust pressure stabilizing device comprises an exhaust pipe connected with the tank body and an electromagnetic exhaust valve arranged on the exhaust pipe, a gas monitoring device is connected with the lower side of the tank body, the tank body is connected with a tank cover through a flip device, a safety device, a water spraying device, a pressure relief valve and a high-pressure air inlet device are arranged on the tank cover, a heat insulation cavity connected with the flip device is arranged at the upper end of the tank cover, a motor is fixedly connected in the heat insulation cavity, the motor is connected with a stirring rod, the stirring rod passes through the tank cover to be suspended in the slag ladle, and the flip device, the drainage device, the exhaust pressure stabilizing device and the exhaust pipe are arranged on the tank body, The gas monitoring device, the water spraying device, the high-pressure gas inlet device and the motor are all connected with the controller.
Furthermore, the cover turning device comprises a turning arm, an opening and closing hydraulic cylinder and a turning hydraulic cylinder, wherein one end of the turning arm is hinged with the tank body, the other end of the turning arm is fixedly connected with the opening and closing hydraulic cylinder, the opening and closing hydraulic cylinder is rotatably connected with the heat insulation cavity, and the turning hydraulic cylinder is respectively hinged with the turning arm and the ground.
Furthermore, drainage device is including being located the drainage channel on the ladle body below the sediment package and the drain pipe of being connected drainage channel, the drain pipe is located jar external side, and is equipped with the drain valve on it.
Further, the gas monitoring device comprises a gas taking pipe connected with the tank body, an electromagnetic valve arranged on the gas taking pipe, a condenser connected with the electromagnetic valve, a gas pressure sensor and a temperature sensor arranged between the electromagnetic valve and the condenser, and a gas composition analyzer connected with the condenser.
Further, the safety device comprises an explosion-proof valve and a safety valve.
Furthermore, the water spraying device comprises a water inlet connected with the tank body, a water pipe connected with the water inlet, a water inlet valve arranged at the water inlet, and a plurality of water mist spray heads arranged on the water pipe.
Further, high pressure air inlet unit includes the air inlet of being connected with the jar body, the air compressor machine of being connected with the air inlet and connect the admission valve between air inlet and air compressor machine.
Furthermore, a locking mechanism for locking the tank cover is further arranged on the tank body.
Furthermore, the stirring rod is in a branch shape, and the tail end of each branch is provided with a conical head.
Has the advantages that: the stirring device is arranged in the steel slag stirring device, and the branch-shaped stirring rod can well stir the steel slag, so that the water vapor is fully contacted with the steel slag; the tank body is respectively provided with an exhaust pressure stabilizing device, two exhaust pipelines are controlled by an electromagnetic valve, exhaust valves with different heights are used in different time periods of thermal distress, inert gas is not required to be used for replacement, and explosion can be prevented.
Drawings
FIG. 1 is a schematic structural view of a hot stuffer tank for hot stuffer treatment of steel slag according to an embodiment of the present invention;
FIG. 2 is an enlarged view of part A of the present invention;
FIG. 3 is an enlarged view of the part B according to the embodiment of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a hot stuffy tank for hot stuffy treatment of steel slag, including a tank body 1, a slag ladle seat 7 is arranged inside the tank body 1, a slag ladle 8 is arranged on the slag ladle seat 7, a lifting lug 21 is arranged at the upper end of the slag ladle 8, and the slag ladle 8 can be taken out of the tank body 1 by a crane, a drainage device is arranged at the bottom of the tank body 1, the drainage device includes a drainage channel 10 arranged on the tank body 1 below the slag ladle 8 and a drainage pipe 25 connected with the drainage channel 10, the drainage pipe 25 is arranged outside the tank body and is provided with a drainage valve 26, and the drainage valve 26 can be controlled to open the drainage valve 26 when hot stuffiness is finished. The upper side and the lower side of the tank body 1 are respectively provided with an exhaust pressure stabilizing device 3, the exhaust pressure stabilizing device 3 above is used for exhausting in the early stage of hot stuffiness, the exhaust pressure stabilizing device 3 below is used for exhausting in the middle and later stages of hot stuffiness, the exhaust pressure stabilizing device 3 comprises an exhaust pipe 22 connected with the tank body 1 and an electromagnetic exhaust valve 23 arranged on the exhaust pipe 22, and preferably, a waste gas treatment device can be connected behind the electromagnetic exhaust valve 23 to prevent harmful gas from being exhausted into the atmosphere. The gas monitoring device is connected with the lower side of the tank body 1 and comprises a gas taking pipe 27 connected with the tank body 1, an electromagnetic valve 28 arranged on the gas taking pipe 27, a condenser 31 connected with the electromagnetic valve 28, a gas pressure sensor 29 and a temperature sensor 30 arranged between the electromagnetic valve 28 and the condenser 31 and a gas component analyzer 32 connected with the condenser 31, wherein gas for detection is firstly measured by the gas pressure sensor 29 and the temperature sensor 30 in a pipeline, water vapor in air is removed through condensation of the condenser 31 to obtain dry gas, and then the dry gas is analyzed by the gas component analyzer 32, so that the gas component analyzer 32 is prevented from being damaged by a large amount of water vapor.
The tank body 1 is connected with a tank cover 2 through a cover turning device, the tank cover 2 is provided with a safety device, a water spraying device, a pressure release valve 24 and a high-pressure air inlet device, the safety device comprises an explosion-proof valve 20 and a safety valve 19, the explosion-proof valve 20 can release pressure for a hot stifled tank in a sudden situation, accident damage is reduced, the safety valve 19 also plays a safety protection role, when the pressure exceeds a set value, the safety valve is opened, a part of gas is discharged, the pressure is enabled not to exceed the set value, and therefore the hot stifled tank is guaranteed not to have an accident due to overhigh pressure. The water spraying device comprises a water inlet 14 connected with the tank body 1, a water pipe 15 connected with the water inlet 14, a water inlet valve 13 arranged at the water inlet 14 and a plurality of water mist spray heads 16 arranged on the water pipe 15. The high-pressure intake apparatus includes an intake port 18 connected to the tank 1, an air compressor (not shown in the drawings) connected to the intake port 18, and an intake valve 17 connected between the intake port 18 and the air compressor. And its upper end is equipped with the thermal-insulated chamber 11 of being connected with flip device, fixedly connected with motor 12 in the thermal-insulated chamber 11, and motor 12 is connected with stirring rod 9, and stirring rod 9 is preferred to be set up to branch form, and every branch end is equipped with the cone, and the cone can be lighter when stirring rod 9 gets into the slag, and stirring rod 9 passes cover 2 and hangs in cinder ladle 8. The cover turning device comprises a turning arm 5, a starting and stopping hydraulic cylinder 4 and a turning hydraulic cylinder 6, wherein one end of the turning arm 5 is hinged to the tank body 1, the other end of the turning arm 5 is fixedly connected with the starting and stopping hydraulic cylinder 4 and the heat insulation cavity 11 are rotatably connected, and the turning hydraulic cylinder 6 is respectively hinged to the turning arm 5 and the ground. When the turning hydraulic cylinder 6 extends, the turning arm 5 enables the tank cover 2 to be arranged above the tank body 1, when the opening and closing hydraulic cylinder 4 extends, the tank cover 2 is in contact with the tank body 1 and is closed, and when the turning hydraulic cylinder 6 retracts with the opening and closing hydraulic cylinder 4, the tank cover 2 is inclined and opened. The can body 1 is further provided with a locking mechanism (not shown) for locking the can lid 2, which can be a conventional locking mechanism, and one end of the locking mechanism is fixedly connected with the can body 1, and the other end of the locking mechanism drives the can lid 2, so that the can lid 2 rotates around the central axis of the can lid 2 to lock the can lid 2.
The cover turning device, the water discharging device, the exhaust pressure stabilizing device 3, the gas monitoring device, the water spraying device, the high-pressure air inlet device and the motor 12 are all connected with the controller. The controller controls the flip device, the drainage device, the exhaust pressure stabilizing device 3, the gas monitoring device, the water spraying device, the high-pressure air inlet device, the motor 12 and the like to work.
When the utility model is used, firstly, the steel slag is poured into a slag ladle 8 and then is put into a slag ladle seat 7 of a hot stuffy tank, the tank cover 2 is controlled to be closed and locked and sealed, the water spraying device is controlled to start water spraying, the motor 12 is started, the stirring rod slowly stirs the steel slag, the water is rapidly changed into vapor by the residual heat of the steel slag, the pressure in the tank is increased, the gas monitoring device is controlled to work, the gas in the tank is sampled once every a period of time, for example, 5s is collected once, the gas composition is analyzed, the controller controls the electromagnetic exhaust valve 23 on the upper side of the tank body 1 to work, the gas is discharged, the pressure in the tank is maintained in a set range, then the water spraying device intermittently sprays water, the vapor density is greatly settled below at the early stage of hot stuffiness, the combustible gas above can be discharged through the electromagnetic exhaust valve 23 on the upper side in time due to the gas density at the middle and later stages of hot stuffiness, the steam density is reduced when the temperature is reduced, gradually floating, depositing combustible gas below, controlling to close the electromagnetic exhaust valve 23 above, controlling the electromagnetic exhaust valve 23 below to work to discharge the combustible gas, if the gas pressure in the tank is within a set range, but the combustible gas in the monitored gas component composition reaches a set value, wherein the set value is half of the lowest explosion range in the combustible gas, controlling the air compressor and the air inlet valve 17 to be opened, increasing the pressure to discharge the combustible gas below, controlling the pressure release valve 24 to exhaust and release the gas after the hot stuffiness is finished, controlling the water discharge valve 26 to be opened, opening the tank cover again when the pressure difference between the pressure in the tank and the external pressure is zero, and taking out the steel slag.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the utility model, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the utility model.
Claims (9)
1. The utility model provides a hot stifled jar for steel slag hot smoldering is handled, a serial communication port, which comprises a tank body, the internal portion of jar is equipped with sediment package seat, be equipped with the sediment package on the sediment package seat, jar body bottom is equipped with drainage device, jar body upside and downside are equipped with exhaust pressure stabilizer respectively, exhaust pressure stabilizer includes the blast pipe with jar body coupling to and set up the electromagnetism discharge valve on the blast pipe, jar body downside is connected with gaseous monitoring devices, the jar body is connected with the cover through flip device, be equipped with safety device, water jet equipment, relief valve and high pressure air inlet unit on the cover, and its upper end is equipped with the thermal-insulated chamber of being connected with flip device, thermal-insulated intracavity fixedly connected with motor, the motor is connected with the stirring rod, the stirring rod passes the cover and hangs in the sediment package, flip device, drainage device, exhaust pressure stabilizer, gas monitoring devices, The water spraying device, the high-pressure air inlet device and the motor are all connected with the controller.
2. The hot stuffy tank for hot stuffy treatment of steel slag according to claim 1, wherein said lid turning means comprises a turning arm hinged to the tank body at one end, an opening and closing hydraulic cylinder fixedly connected to the other end of the turning arm and rotatably connected to the insulating chamber, and a turning hydraulic cylinder respectively hinged to the turning arm and the ground.
3. The hot stuffy tank for hot stuffy treatment of steel slag according to claim 1, wherein said water draining means comprises a water draining channel on the tank body below the slag ladle and a water draining pipe connected to the water draining channel, said water draining pipe is located outside the tank body and provided with a water draining valve.
4. The hot stuffy tank for hot stuffy treatment of steel slag according to claim 1, wherein said gas monitoring device comprises a gas taking pipe connected to the tank, an electromagnetic valve disposed on the gas taking pipe, a condenser connected to the electromagnetic valve, a gas pressure sensor and a temperature sensor disposed between the electromagnetic valve and the condenser, and a gas composition analyzer connected to the condenser.
5. The hot stuffer tank for hot stuffer treatment of steel slag according to claim 1, wherein said safety device comprises an explosion proof valve and a safety valve.
6. The hot stuffy tank for hot stuffy treatment of steel slag according to claim 1, wherein said water spraying means comprises a water inlet connected to the tank body, a water pipe connected to the water inlet, a water inlet valve provided at the water inlet, and a plurality of water mist spraying heads provided at the water pipe.
7. The hot stuffer tank for hot stuffer treatment of steel slag according to claim 1, wherein said high pressure air intake means comprises an air intake connected to the tank, an air compressor connected to the air intake, and an air intake valve connected between the air intake and the air compressor.
8. The hot smoldering pot for hot smoldering treatment of steel slag according to claim 1, further comprising a locking mechanism for locking the pot cover.
9. The hot stuffer tank for hot stuffer treatment of steel slag according to claim 1, wherein said stirring rod is in the shape of a branch, and a tapered head is provided at the end of each branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597513.7U CN216005906U (en) | 2021-07-14 | 2021-07-14 | Hot stuffy tank for hot stuffy treatment of steel slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597513.7U CN216005906U (en) | 2021-07-14 | 2021-07-14 | Hot stuffy tank for hot stuffy treatment of steel slag |
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| Publication Number | Publication Date |
|---|---|
| CN216005906U true CN216005906U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121597513.7U Active CN216005906U (en) | 2021-07-14 | 2021-07-14 | Hot stuffy tank for hot stuffy treatment of steel slag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371847A (en) * | 2023-02-24 | 2023-07-04 | 河北北冶管道设备有限公司 | Hot-sealing tank cleaning and exhausting device |
-
2021
- 2021-07-14 CN CN202121597513.7U patent/CN216005906U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371847A (en) * | 2023-02-24 | 2023-07-04 | 河北北冶管道设备有限公司 | Hot-sealing tank cleaning and exhausting device |
| CN116371847B (en) * | 2023-02-24 | 2023-10-13 | 河北北冶管道设备有限公司 | Hot-sealing tank cleaning and exhausting device |
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