CN110592302A - Blast furnace monitoring device - Google Patents
Blast furnace monitoring device Download PDFInfo
- Publication number
- CN110592302A CN110592302A CN201911026084.5A CN201911026084A CN110592302A CN 110592302 A CN110592302 A CN 110592302A CN 201911026084 A CN201911026084 A CN 201911026084A CN 110592302 A CN110592302 A CN 110592302A
- Authority
- CN
- China
- Prior art keywords
- condensation pipe
- ring condensation
- inner ring
- camera
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a blast furnace monitoring device which comprises an outer ring condensation pipe, an inner ring condensation pipe, an outer layer gas circulation passage, an inner layer gas circulation passage, a camera arranged at the circle center position of the inner ring condensation pipe, a front end arc plate arranged at the front ends of the outer ring condensation pipe and the inner ring condensation pipe, a rear end baffle plate arranged at the rear ends of the outer ring condensation pipe and the inner ring condensation pipe, a camera hole arranged at the circle center position of the front end arc plate, an outer ring condensation pipe air inlet penetrating through the outer ring condensation pipe, an outer ring condensation pipe air outlet penetrating through the outer ring condensation pipe, a condensation water inlet pipe penetrating and communicating the outer ring condensation pipe and connected to the inner ring condensation pipe, a condensation water outlet pipe penetrating and communicating the outer ring condensation pipe and connected to the inner ring condensation pipe, and a push cylinder connected to the tail end of the camera and penetrating through the rear end baffle plate. The blast furnace monitoring device provided by the invention has two cooling cycles, can quickly dissipate the heat of the camera, and prolongs the service life of the camera.
Description
Technical Field
The invention relates to the field of blast furnace equipment, in particular to a blast furnace monitoring device.
Background
In the blast furnace iron-making production process, an operator needs to not only master the charge level distribution condition, the charge level height change, the airflow distribution condition and the operation condition of the swinging chute, but also observe the temperature distribution condition of the charge level in the furnace in real time and perform data analysis. The method has important significance for operating personnel to accurately control the working condition in the blast furnace and ensure the smooth, safe and efficient operation of the blast furnace. Therefore, in the existing blast furnace iron-making production process, a camera hole is often arranged on a blast furnace body to monitor the conditions in the blast furnace.
However, the blast furnace is in a high-temperature, high-dust and high-humidity environment, and meanwhile, the blast furnace also has strong ascending airflow, so that the lens is easily polluted, and the image quality of the system can be ensured only by keeping the lens clean under the condition of continuous production, so that the purpose of monitoring the working condition in the furnace in real time is achieved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a blast furnace monitoring device which can monitor the monitoring device in real time for a long time and can automatically clean and cool.
The invention firstly provides a blast furnace monitoring device, which comprises an outer ring condensation pipe, an inner ring condensation pipe, an outer layer gas circulation passage arranged between the outer ring condensation pipe and the inner ring condensation pipe, an inner layer gas circulation passage arranged at the inner side of the inner ring condensation pipe, a camera arranged at the circle center position of the inner ring condensation pipe, a front end arc plate arranged at the front ends of the outer ring condensation pipe and the inner ring condensation pipe, and a rear end baffle plate arranged at the rear ends of the outer ring condensation pipe and the inner ring condensation pipe, the camera comprises a camera hole arranged at the circle center of the front end arc-shaped plate, an outer ring condensation pipe air inlet penetrating through the outer ring condensation pipe, an outer ring condensation pipe air outlet penetrating through the outer ring condensation pipe, a condensation water inlet pipe penetrating through and communicating with the outer ring condensation pipe and connected to the inner ring condensation pipe, a condensation water outlet pipe penetrating through and communicating with the outer ring condensation pipe and connected to the inner ring condensation pipe, and a pushing cylinder connected to the tail end of the camera and penetrating through the rear end baffle.
The outer ring condenser pipe and the inner ring condenser pipe are arranged in the same circle center, the outer ring condenser pipe and the inner ring condenser pipe are arranged in a hollow mode, and heat exchange materials can flow through the outer ring condenser pipe and the inner ring condenser pipe. Outer loop condenser pipe, inner ring condenser pipe, front end arc, rear end baffle form two gas circulation passageways, are outer gas circulation passageway between outer loop condenser pipe and inner ring condenser pipe, are inlayer gas circulation passageway in the inside of inner ring condenser pipe.
The invention also provides the following optimization scheme:
preferably, the cleaning device further comprises a cleaning strip arranged on the inner side of the inner ring condensation pipe. The cleaning strips are arranged in a long strip shape, preferably a plurality of cleaning strips, and are arranged along the circumferential direction of the inner side of the inner ring condensation pipe.
Preferably, a camera gear piece is arranged on the annular surface at the rear end of the camera.
Preferably, the device further comprises a rotating motor engaged with the camera gear piece.
Preferably, at least one vent hole is formed in the front end arc-shaped plate.
Preferably, the vent hole is obliquely aligned with the camera hole.
Preferably, an inner ring condensation pipe air inlet and an inner ring condensation pipe air outlet are formed in the annular surface of the inner ring condensation pipe.
Preferably, the air inlet of the inner ring condensation pipe and the air inlet of the outer ring condensation pipe are correspondingly arranged; and the air outlet of the inner ring condensation pipe are correspondingly arranged.
Preferably, the outer side surface of the inner ring condensation pipe is provided with a gas baffle plate, and the gas baffle plate penetrates through the rear end baffle plate.
Preferably, the gas baffle is arranged at the corresponding position of the gas outlet of the inner ring condensation pipe and the gas inlet of the inner ring condensation pipe and used for closing or opening gas circulation.
The invention has the beneficial effects that:
1. the blast furnace monitoring device has two cooling circulations, can quickly dissipate the heat of the camera and prolong the service life of the camera;
2. the blast furnace monitoring device can be used for cleaning ash at the front end of the camera by using the conveyed gas and cooling the camera at the front end;
3. the blast furnace monitoring device can carry out strong dust cleaning and descaling on the camera by using the cleaning strip, and can bring out the removed dust from the air outlet under the driving of gas;
4. the blast furnace monitoring device has stable and durable heat dissipation effect and can perform rapid cooling when the temperature needs to be rapidly reduced.
Drawings
FIG. 1 is a front view of a blast furnace monitoring apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a perspective view of a blast furnace monitoring apparatus in accordance with a preferred embodiment of the present invention;
FIG. 3 is a perspective view of a blast furnace monitoring apparatus in accordance with a preferred embodiment of the present invention;
FIG. 4 is a top view of a blast furnace monitoring apparatus in accordance with a preferred embodiment of the present invention;
FIG. 5 is a cross-sectional view of the AA face of FIG. 4;
FIG. 6 is a left side view of a blast furnace monitoring apparatus in accordance with a preferred embodiment of the present invention;
FIG. 7 is a perspective view of a blast furnace monitoring apparatus in accordance with a preferred embodiment of the present invention;
FIG. 8 is a perspective view of a blast furnace monitoring apparatus in accordance with a preferred embodiment of the present invention;
the specific reference numerals are:
1, an outer ring condenser pipe; 2 an inner ring condenser pipe; 3 outer layer gas flow path; 4 inner layer gas circulation path; 5, a camera; 6, a front end arc-shaped plate; 7 a rear end baffle; 8, pushing a cylinder; 9 rotating the electric machine; 11, an outer ring condenser pipe air inlet; 12, an air outlet of the outer ring condensation pipe; 13 a condensed water inlet pipe; 14 a condensed water outlet pipe; 21 a cleaning strip; 22 a gas baffle; 51 a camera gear member; 61 camera shooting holes; 62 a vent hole; 91 rotate the motor gear.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following embodiments.
As shown in FIGS. 1 to 8, the present invention firstly provides a blast furnace monitoring device, which comprises an outer ring condenser pipe 1, an inner ring condenser pipe 2, an outer layer gas circulation passage 3 arranged between the outer ring condenser pipe 1 and the inner ring condenser pipe 2, an inner layer gas circulation passage 4 arranged inside the inner ring condenser pipe 2, a camera 5 arranged at the center of the inner ring condenser pipe 2, a front end arc 6 arranged at the front ends of the outer ring condenser pipe 1 and the inner ring condenser pipe 2, a rear end baffle 7 arranged at the rear ends of the outer ring condenser pipe 1 and the inner ring condenser pipe 2, a camera hole 61 arranged at the center of the front end arc 6, an outer ring condenser pipe air inlet 11 penetrating the outer ring condenser pipe 1, an outer ring condenser pipe air outlet 12 penetrating the outer ring condenser pipe 1, a condensed water 13 penetrating the outer ring condenser pipe 1 and connected to the inner ring condenser pipe 2, a water outlet pipe 12 arranged at the center of the outer ring condenser pipe 1, a water outlet pipe arranged at the center of the, A condensed water outlet pipe 14 which penetrates and is communicated with the outer ring condensation pipe 1 and is connected to the inner ring condensation pipe 2, and a push cylinder 8 which is connected to the tail end of the camera 5 and penetrates through the rear end baffle 7.
The outer ring condenser pipe 1 and the inner ring condenser pipe 2 are arranged concentrically, the outer ring condenser pipe 1 and the inner ring condenser pipe 2 are arranged in a hollow mode, and heat exchange materials can flow through the outer ring condenser pipe 1 and the inner ring condenser pipe 2. Outer loop condenser pipe 1, inner ring condenser pipe 2, front end arc 6, rear end baffle 7 form two gas circulation passageways, are outer gas circulation passageway 3 between outer loop condenser pipe 1 and inner ring condenser pipe 2, are inlayer gas circulation passageway 4 in inner ring condenser pipe 2's inside. The condensed water inlet pipe 13 and the condensed water outlet pipe 14 both penetrate into the inner ring condensation pipe 2 from the outer side of the outer ring condensation pipe 1. The condensed water inlet pipe 13 is provided with a through hole at a position penetrating through the outer ring condensation pipe 1 for conveying condensed water from the inside of the condensed water inlet pipe 13 to a condensed water passage inside the outer ring condensation pipe 1, and the condensed water inlet pipe 13 and the outer layer gas circulation passage 3 are isolated from each other. The gas passage and the condensed water passage are two mutually isolated passages, and condensed water can only circulate in the inner ring condensation pipe 1 and the outer ring condensation pipe 2. The inner layer gas flow path 4 and the outer layer gas flow path 3 are also isolated from each other. The arcwall face is set to 5 front ends of camera, and is corresponding, curved interior concave surface is also set to hole 61 of making a video recording, with the arcwall face of the front end of camera 5 corresponds, can increase like this and make a video recording hole 61 and camera 5's area of contact to make the gas in the blast furnace be difficult to circulate in inlayer gas flow path 4, like this can be better make camera 5 in inlayer gas flow path 4 heat up slowly, the heat dissipation is better. The push cylinder 8 is an electric push cylinder, preferably a hydraulic push cylinder or a pneumatic push cylinder.
In order to prevent the camera 5 used for a long time from being covered by dust, the cleaning strip 21 is arranged on the inner side of the inner ring condensation pipe 2. The cleaning strips 21 are preferably arranged in a plurality, and more preferably a plurality of cleaning strips 21 are arranged inside the inner ring condensation pipe 2 along the circumferential direction. The cleaning strips 21 are made of cotton, sponge and cloth, and need to have certain hardness and deformability.
In order to enable the camera 5 to rotate, a camera gear member 51 is provided on an annular surface of a rear end of the camera 5. The camera gear members 51 are arranged on the cylindrical annular surface of the camera 5 and are arranged in a circumferential direction. And a rotating motor 9 engaged with the camera gear member 51. A rotating motor gear 91 is arranged on a rotating shaft at the front end of the rotating motor 9. The rotating motor gear 91 is meshed with the camera gear piece 51, and the rotating motor 9 can drive the camera 5 to rotate when rotating, so that the visual angle conversion of the camera 5 is realized. Preferably, the front end of the camera 5 is provided with a certain shooting inclination angle, so that the rotation can drive the change of the visual angle.
In order to keep the mirror surface of the front end of the camera 5 clean when the camera 5 is used, the front end arc-shaped plate 6 is provided with at least one vent hole 62. The vent hole 62 is obliquely aligned with the camera hole 61. Preferably, the arc-shaped plate is provided in a funnel shape recessed inward, and the vent holes 62 are provided at an angle inclined inward, so that the gas in the outer layer gas flow passage 3 is ejected from the vent holes 62 toward the mirror surface position at the front end of the camera 5. In order to obtain a sufficient dust cleaning effect at the front end of the camera 5, it is preferable that the vent holes 62 are annularly provided around the front end arc-shaped plate 6. More preferably, the vent hole 62 is formed in the surface of the outer layer gas flow passage 3, which is connected to the front end arc-shaped plate 6, so that the distance from the camera 5 can be increased, and the gas can be better sprayed to the front end mirror surface of the camera 5.
In order to enable the inner layer gas circulation passage 4 to be communicated with the outer layer gas circulation passage 3, the annular surface of the inner ring condensation pipe 2 is provided with an air inlet of the inner ring condensation pipe 2 and an air outlet of the inner ring condensation pipe 2. This enables the circulating gas to circulate inside the inner ring condensation duct 2, thereby accelerating the circulation of the gas inside the inner ring condensation duct 2 and enabling the camera 5 to radiate heat more quickly.
In order to improve the heat dissipation efficiency and keep the smooth gas flow and heat dissipation efficiency of the outer layer gas circulation passage 3 and the inner layer gas circulation passage 4, the gas inlet of the inner ring condensation pipe 2 and the gas inlet 11 of the outer ring condensation pipe are correspondingly arranged; the air outlet of the inner ring condensation pipe 2 is arranged corresponding to the air outlet of the inner ring condensation pipe 2. This enables the gas to enter the inner layer gas flow path 4 for the first time.
Sometimes, when the reaction in the blast furnace is severe, in order to prevent the dust on the outer layer from entering the inner layer gas flow passage 4, the outer side surface of the inner ring condensation pipe 2 is provided with a gas baffle plate 22, and the gas baffle plate 22 penetrates through the rear end baffle 7. The shape of the gas baffle plate 22 is consistent with that of the outer side of the annular surface of the inner ring condensation pipe 2, and the gas baffle plate 22 extends from the outer side of the rear end baffle plate 7 to the outer side surface of the inner ring condensation pipe 2. The gas baffle plate 22 is arranged at the corresponding position of the gas outlet of the inner ring condensation pipe 2 and the gas inlet of the inner ring condensation pipe 2 and is used for closing or opening gas circulation. The gas baffle 22 can be displaced in the axial direction of the inner ring condenser pipe 2, and covers and opens the gas outlet of the inner ring condenser pipe 2 and the gas inlet of the inner ring condenser pipe 2.
The use method of the blast furnace monitoring device comprises the following steps:
install blast furnace monitoring device at the top of blast furnace earlier, couple together the opening on the oven of the top surface position of front end arc 6 and blast furnace to with pushing away jar 8 with camera 5 forward push to with the laminating of the hole 61 of making a video recording of indent, and make camera 5's front end and make a video recording the hole 61 and correspond and carry out the control operation after good. The condensed water is fed from the condensed water inlet pipe 13, and is introduced into the outer ring condensation duct 1 and the inner ring condensation duct 2 through the condensed water inlet pipe 13, and is finally discharged from the condensed water outlet pipe 14. And introducing inert gas or air for cooling and dust removal from an air inlet 11 of the outer ring condensation pipe, circulating the gas in the outer ring condensation pipe 1, and discharging the gas from an air outlet 12 of the outer ring condensation pipe for heat dissipation. When the vent hole 62 is arranged, the air is discharged from the vent hole 62 of the front end arc-shaped plate 6, the air outlet angle of the vent hole 62 is opposite to the position of the camera hole 61, and the dust cleaning treatment can be directly carried out on the surface of the camera 5 in normal operation. When being provided with 2 gas outlets of inner ring condenser pipe and 2 gas inlets of inner ring condenser pipe, the gaseous energy that lets in from outer loop condenser pipe gas inlet 11 directly circulates in inlayer gas circulation route 4 and skin gas circulation route 3, and the temperature is too high in the mainly used stove, the condition that camera 5 needs rapid cooling. And the air baffle plate 22 can cover the air inlet of the inner ring condensation pipe 2 and the air outlet of the inner ring condensation pipe 2, thus reducing the possibility that dust flows into the inner layer gas circulation passage 4 when the rapid cooling is not needed. When the dust at the front end of the camera 5 is too much to be blown off with gas. At this time, the switch of the push cylinder 8 at the rear end of the camera 5 is turned on, the camera 5 is moved back to the position where the cleaning strip 21 is arranged, the push cylinder 8 is turned off, the rotating motor 9 is turned on, the rotating motor 9 drives the camera 5 to rotate, and therefore dust on the rotating camera 5 is removed through the cleaning strip 21. After the dust removal work is finished, the switch of the rotating motor 9 is turned off, the push cylinder 8 is started, and the switch of the push cylinder 8 is turned off after the camera 5 is pushed to the position of the camera hole 61. The whole in-process gas keeps the state of ventilating, can carry out the work of getting rid of dust always like this, get back to the hole 61 position of making a video recording after again at camera 5, increase outer gaseous circulation route 3 and inlayer gaseous circulation route 4's gas circulation volume, clear up the dust in 5 deashing in-process inner ring condenser pipe 2 of camera and outer ring condenser pipe 1 to finally all discharge the dust from outer ring condenser pipe gas outlet 12.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. A blast furnace monitoring device is characterized in that: comprises an outer ring condensation pipe, an inner ring condensation pipe, an outer layer gas circulation passage arranged between the outer ring condensation pipe and the inner ring condensation pipe, an inner layer gas circulation passage arranged at the inner side of the inner ring condensation pipe, a camera arranged at the circle center position of the inner ring condensation pipe, a front end arc plate arranged at the front ends of the outer ring condensation pipe and the inner ring condensation pipe, and a rear end baffle plate arranged at the rear ends of the outer ring condensation pipe and the inner ring condensation pipe, the camera comprises a camera hole arranged at the circle center of the front end arc-shaped plate, an outer ring condensation pipe air inlet penetrating through the outer ring condensation pipe, an outer ring condensation pipe air outlet penetrating through the outer ring condensation pipe, a condensation water inlet pipe penetrating through and communicating with the outer ring condensation pipe and connected to the inner ring condensation pipe, a condensation water outlet pipe penetrating through and communicating with the outer ring condensation pipe and connected to the inner ring condensation pipe, and a pushing cylinder connected to the tail end of the camera and penetrating through the rear end baffle.
2. The blast furnace monitoring device according to claim 1, wherein: the cleaning device also comprises a cleaning strip arranged on the inner side of the inner ring condensation pipe.
3. The blast furnace monitoring device according to claim 2, wherein: and a camera gear piece is arranged on the annular surface at the rear end of the camera.
4. The blast furnace monitoring device according to claim 3, wherein: and the camera further comprises a rotating motor meshed with the camera gear piece.
5. The blast furnace monitoring device according to claim 1, wherein: at least one vent hole is arranged on the front end arc-shaped plate.
6. The blast furnace monitoring device according to claim 5, wherein: the vent hole is obliquely aligned with the camera shooting hole.
7. The blast furnace monitoring device according to claim 1, wherein: and an inner ring condensation pipe air inlet and an inner ring condensation pipe air outlet are formed in the annular surface of the inner ring condensation pipe.
8. The blast furnace monitoring device according to claim 7, wherein: the air inlet of the inner ring condensation pipe and the air inlet of the outer ring condensation pipe are correspondingly arranged; and the air outlet of the inner ring condensation pipe are correspondingly arranged.
9. The blast furnace monitoring device according to claim 8, wherein: and the outer side surface of the inner ring condensation pipe is provided with a gas baffle plate, and the gas baffle plate penetrates through the rear end baffle plate.
10. The blast furnace monitoring device according to claim 9, wherein: the gas baffle is arranged at the corresponding position of the gas outlet of the inner ring condensation pipe and the gas inlet of the inner ring condensation pipe and is used for closing or opening gas circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026084.5A CN110592302B (en) | 2019-10-25 | 2019-10-25 | Blast furnace monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026084.5A CN110592302B (en) | 2019-10-25 | 2019-10-25 | Blast furnace monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110592302A true CN110592302A (en) | 2019-12-20 |
| CN110592302B CN110592302B (en) | 2021-10-12 |
Family
ID=68850587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911026084.5A Active CN110592302B (en) | 2019-10-25 | 2019-10-25 | Blast furnace monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110592302B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276191A (en) * | 2007-03-30 | 2008-10-01 | 富士施乐株式会社 | Cleaning apparatus, image holding apparatus, and image forming apparatus |
| CN201427977Y (en) * | 2009-07-20 | 2010-03-24 | 天津市三特电子有限公司 | High-temperature monitoring device of refining furnace |
| CN203807498U (en) * | 2014-04-21 | 2014-09-03 | 唐山方大天正电子有限公司 | In-furnace imaging monitoring device of blast furnace |
| CN106091716A (en) * | 2016-08-08 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of stove high-temperature monitor |
| CN207294821U (en) * | 2017-10-10 | 2018-05-01 | 河钢股份有限公司承德分公司 | Deashing imaging device in State of Blast Furnace |
| CN108377321A (en) * | 2017-01-28 | 2018-08-07 | 青岛福鼎数码科技有限公司 | It can real-time automatic cleaning type monitoring camera |
-
2019
- 2019-10-25 CN CN201911026084.5A patent/CN110592302B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276191A (en) * | 2007-03-30 | 2008-10-01 | 富士施乐株式会社 | Cleaning apparatus, image holding apparatus, and image forming apparatus |
| CN201427977Y (en) * | 2009-07-20 | 2010-03-24 | 天津市三特电子有限公司 | High-temperature monitoring device of refining furnace |
| CN203807498U (en) * | 2014-04-21 | 2014-09-03 | 唐山方大天正电子有限公司 | In-furnace imaging monitoring device of blast furnace |
| CN106091716A (en) * | 2016-08-08 | 2016-11-09 | 北京神雾环境能源科技集团股份有限公司 | A kind of stove high-temperature monitor |
| CN108377321A (en) * | 2017-01-28 | 2018-08-07 | 青岛福鼎数码科技有限公司 | It can real-time automatic cleaning type monitoring camera |
| CN207294821U (en) * | 2017-10-10 | 2018-05-01 | 河钢股份有限公司承德分公司 | Deashing imaging device in State of Blast Furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110592302B (en) | 2021-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20110010452A (en) | Dust collecting device | |
| CN110592302B (en) | Blast furnace monitoring device | |
| KR20200015598A (en) | Overall structure of slag-steel separation and cooling unit of molten iron desulfurization slag | |
| CN212481838U (en) | Steel pipe rapid cooling device | |
| CN114405934A (en) | Sagger outer surface dust removing equipment | |
| CN210663609U (en) | Automatic rotating and dewatering device for workpiece | |
| CN114700462A (en) | Casting device is used in foundry goods processing with quick cooling function | |
| CN103990615B (en) | Automatic sand blasting dust removal device for injected part | |
| CN114229509B (en) | Quenching production line of shell case | |
| CN104741266A (en) | Pigment spraying and drying device for clothing leather | |
| CN214638549U (en) | Vacuum cleaning device for heat treatment | |
| CN104741268A (en) | Automobile leather guniting and drying device | |
| CN110918561A (en) | Tuberculosis check out test set's inside dust pelletizing system | |
| CN210711632U (en) | Normalizing wind chamber | |
| CN110773367A (en) | Intelligent environmental protection production line that sprays paint | |
| CN221724682U (en) | Cold way bellows device with clean function | |
| CN216481888U (en) | Waste heat recovery's refractory material drying equipment | |
| CN221209233U (en) | Automatic cleaning device for anode steel claw attachments for aluminum | |
| CN221157940U (en) | Aviation conduit washs drying-machine | |
| JP4257822B2 (en) | Centrifugal projection shot blasting equipment | |
| CN116140870B (en) | Rapid cooling device for stainless steel after welding | |
| CN116301245B (en) | Government affair service self-service machine with quick heat radiation structure | |
| CN212701803U (en) | Shot blasting machine | |
| CN220034601U (en) | Movable heat treatment furnace | |
| CN116551284B (en) | Welding device for splicing grate plates of grate cooler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |