CN208296770U - A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device - Google Patents
A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device Download PDFInfo
- Publication number
- CN208296770U CN208296770U CN201820960767.2U CN201820960767U CN208296770U CN 208296770 U CN208296770 U CN 208296770U CN 201820960767 U CN201820960767 U CN 201820960767U CN 208296770 U CN208296770 U CN 208296770U
- Authority
- CN
- China
- Prior art keywords
- furnace
- rotary hearth
- feed layer
- industrial camera
- detection device
- 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.)
- Active
Links
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device; purpose is that solving the problems, such as to solve furnace burdening thickness spends high influence production efficiency; it includes rotary hearth furnace furnace wall, industrial camera, outer jointing jacket cylinder, pneumatic driving and reversing mechanism, power control cabinet, air source box, controller and man-machine interface, and the outer jointing jacket cylinder, industrial camera and power control cabinet are connect with the air source box respectively；The industrial camera, controller are connect with the power control cabinet respectively.The utility model controls industrial camera by pneumatic driving and reversing mechanism and monitors furnace burdening layer thickness variation in real time in outer jointing jacket cylinder; solve the problems, such as that solubilized high temperature pelletizing makes the raising of furnace bottom thickness of feed layer that entire production process be caused to be interrupted; downtime can be effectively reduced simultaneously; reduce the waste of material and the energy, improve production operational availability, prevent accident, achieve the purpose that it is energy-saving.
Description
Technical field
The utility model relates to iron content solid wastes to recycle control field, specifically, the utility model relates to a kind of rotary hearth furnaces
Furnace high-temperature pelletizing feed layer thickness detection device.
Background technique
Existing rotary hearth furnace process deviates from the zinc in raw material mainly for the treatment of iron and steel enterprise's zinc-iron-containing solid waste, simultaneously
To metallized pellet.Various dirt mud, binder are sent after the mixing of ingredient in proportion, pressure ball, drying to rotary hearth furnace cloth in batch bin
Glassware will expect on uniform cloth to rotary hearth furnace annular siege.About 1250~1300 DEG C in furnace are utilized into the drying ball in rotary hearth furnace
Carbon in high temperature and pelletizing generates reduction reaction.In 20min~30min, by iron oxide, largely reduction becomes metallic iron；Together
When by zinc oxide reduction be zinc, zinc is volatized into flue gas, and is reoxidized Zinc oxide powder sedimentation, is finally recovered.
The problem of meeting producer bear building-up material heap product in rotary hearth furnace actual production, this is because material enters rotary hearth furnace siege
By heating zone, one area of reduction, 2nd area of reduction, 3rd area of reduction and discharge zone, (1100 degree or so of heating zone restores an area according to this afterwards
1250 degree or so, restore 1280 degree or so of 2nd area, reduction up to 1290 degree or so of three area's temperature, discharge zone temperature it is minimum
850 degree or so) etc. different temperature zones rotation turn around through discharging screw machine discharging, the powder after being mingled in pelletizing or being damaged is easily first
Melt it is hardened on siege, meanwhile, pelletizing be also impossible at discharging spiral after rotating a circle it is primary all discharge out of the furnace, meeting
Some is rotated repeatedly in furnace, and final high temperature dissolves and hardened in furnace bottom, so that furnace bottom thickness of feed layer lifting step by step, finally
Cause entire siege preferentially to encounter water cooling partition wall, cause siege that can not rotate, influences going on smoothly for production.If once occurred
This phenomenon, unique solution is exactly blowing out cooling now, and cooling needs for a long time, etc. temperature drop to suitable temperature, tear open
Cold shut wall and water cooling lid are removed water, operator is prized the hardened material of bulk at fritter using pneumatic pick, binds pull-out furnace with wirerope
Outside, this method takes time and effort, and processing whole process needs 3 to 5 days time, seriously affects continuous production, operating rate is significantly
Decline, influences the stove resistance to material service life, while wasting many pelletizing materials.
Utility model content
In order to solve the problems, such as that furnace burdening thickness spends high influence production efficiency, the utility model provides a kind of rotary hearth furnace
Furnace high-temperature pelletizing feed layer thickness detection device.
To achieve the above object, a kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device of the utility model, including
Rotary hearth furnace furnace wall, the industrial camera for acquiring furnace bottom thickness of feed layer signal are used to protect institute through the rotary hearth furnace furnace wall
State industrial camera outer jointing jacket cylinder, for by the industrial camera be sent into or exit the outer jointing jacket cylinder and with the work
Industry camera connection pneumatic driving and reversing mechanism, for cooling gas source needed for the industrial camera or the pneumatic driving and reversing mechanism institute
The pneumatic gas source needed is filtered, regulates and controls and detects bleed pressure, and the electricity of alarm signal is issued when there is stopping the supple of gas or steam failure
Control cabinet, the air source box for providing gas source, for the control according to the furnace bottom thickness of feed layer signal acquisition furnace bottom thickness of feed layer of acquisition
Device processed and the man-machine interface being connect with the controller, the outer jointing jacket cylinder, industrial camera and power control cabinet respectively with institute
State air source box connection；The industrial camera, controller are connect with the power control cabinet respectively.
Preferably, the outer jointing jacket cylinder is cylindrical in shape, and the outer jointing jacket cylinder is made of stainless steel and superalloy material.
Preferably, the pneumatic driving and reversing mechanism includes the solenoid valve of cylinder and the control gas cylinder working condition, described
Cylinder is connect with the air source box.
Preferably, the industrial camera model MER-G-P series digit video camera.
Compared with prior art, a kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device of the utility model has such as
It is lower the utility model has the advantages that
A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device of the utility model is controlled by pneumatic driving and reversing mechanism
Industrial camera monitors furnace burdening layer thickness variation in real time in outer jointing jacket cylinder, and to solve solubilized high temperature pelletizing make furnace burdening
The problem of raising of thickness degree causes entire production process to be interrupted, while downtime can be effectively reduced, reduce material and the energy
Waste, improve production operational availability, prevent accident, achieve the purpose that it is energy-saving.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, in which:
Fig. 1 is a kind of overall structure of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device of the utility model embodiment
Schematic diagram；
Fig. 2 is pinhole imaging system schematic illustration；
Fig. 3 is a kind of industrial camera of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device of the utility model embodiment
Instrumentation plan.
Identifier declaration in figure:
1, rotary hearth furnace furnace wall；2, outer jointing jacket cylinder；3, pneumatic driving and reversing mechanism；4, industrial camera；5, power control cabinet；6, gas source
Case；7, controller；8, man-machine interface.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Referring to Fig. 1, a kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device of the utility model embodiment, packet
It includes rotary hearth furnace furnace wall 1, the industrial camera 4 for acquiring furnace bottom thickness of feed layer signal, be used to protect work through rotary hearth furnace furnace wall 1
The outer jointing jacket cylinder 2 of industry camera 4, for sending industrial camera 4 into or exit outer jointing jacket cylinder 2 and connect with industrial camera 4
Pneumatic driving and reversing mechanism 3, for pneumatic gas source needed for the gentle dynamic driving and reversing mechanism 3 of cooling gas source needed for industrial camera 4 into
Row filtering, regulation and detection bleed pressure, and when there is stopping the supple of gas or steam failure issue alarm signal power control cabinet 5, for providing
The air source box 6 of gas source, for according to the controller 7 of the furnace bottom thickness of feed layer signal acquisition furnace bottom thickness of feed layer of acquisition and with control
The man-machine interface 8 that device 7 processed connects, wherein outer jointing jacket cylinder 2, industrial camera 4 and power control cabinet 5 are connect with air source box 6 respectively；
Industrial camera 4, controller 7 are connect with power control cabinet 5 respectively.
Outer jointing jacket cylinder 2 is a kind of cylinder of double-layer structure made of high-quality stainless steel and superalloy material, is adopted
With the mode safeguard industries camera 4 of air cooling, while sealing nitrogen purging automatically cleaning.
Pneumatic driving and reversing mechanism 3 includes cylinder and solenoid valve, and pneumatic driving and reversing mechanism 3 controls industrial camera by aerodynamic force principle
4 retreat.
It illustratively, can be automatic when compressed air pressure is more than setting value lower than setting value or High Temperature Optical camera lens temperature
Industrial camera 4 is exited out of burner hearth, with protection probe safety.
Industrial camera 4 is a kind of high resolution industrial camera, specific within a certain period of time by the capture bed of material in real time
The distance that furnace burdening layer region is advanced, and the pixel that the furnace burdening layer region carries out in the picture is obtained by image recognition technology
Distance generates furnace bottom thickness of feed layer signal feeding controller 7 and is analyzed and handled.
In some embodiments, industrial camera model MER-G-P series digit video camera.
Referring to Fig. 2, the controller 7 in the utility model embodiment carries out the measurement of distance by pinhole imaging system principle,
Wherein, pinhole imaging system principle is as shown in Figure 2:
By the basic principle of Application Optics, length d of the length D, target of target in image planes, camera distance target away from
Focal length f from L, camera meets following relationship:
Wherein, the focal length f of industrial camera 4 is easy to test and measure, and length of the target in image planes is calculated by above formula
Wherein, N and L0The respectively pixel resolution of industrial camera 4 and target surface length are known quantity.N is target in picture
Length in pixels on face interior at the appointed time can be moved up by the method tracking furnace bottom bed of material target of image recognition in image planes
Dynamic distance acquires.And the actual range that furnace bottom bed of material target within a specified time moves is
L=V0t (3)
Wherein, V0For the mobile speed of the furnace bottom bed of material, t is the specified time.
Referring to Fig. 3, Fig. 3 shows a kind of rotary hearth furnace furnace high-temperature pelletizing thickness of feed layer detection of the utility model embodiment
4 instrumentation plan of industrial camera of device, wherein the angle of industrial camera 4 is α, away from being h at the top of the furnace bottom bed of material, is away from bottom
Therefore H can obtain following geometrical relationship
H=Lsin α (4)
Therefore, the furnace bottom bed of material with a thickness of
X=H-h (5)
In summary formula (1)-(5) formula available furnace bottom bed of material thickness, such controller 7 can be by answering
With the pinhole imaging system principle in optics calculate industrial camera 4 to target area distance, finally by the position of industrial camera 4
Angle calculation goes out the height that industrial camera 4 arrives the furnace bottom bed of material, the final anti-height for releasing the furnace bottom bed of material.
In some embodiments, if once the discovery furnace bottom bed of material is increased close to 50% at the top of partition wall, production
Personnel can carry out stopping expecting according to detection data, wait after regular burden(ing) is drained in furnaces, increase furnace temperature, invert rotary hearth furnace, utilize discharging
Spiral with scraping furnace, is melted the hardened material burning increased and is discharged in time, feed production again after reducing hearth furnace initial bed thickness.Pass through
This detection device can reduce downtime, reduce the waste of material and the energy, improve production operational availability, prevent accident, reach
Energy-saving purpose.
Compared with prior art, a kind of rotary hearth furnace furnace high-temperature pelletizing furnace bottom thickness of feed layer detection of the utility model embodiment
Device has the following beneficial effects:
A kind of rotary hearth furnace furnace high-temperature pelletizing furnace burdening layer thickness detection device of the utility model embodiment by pneumatically into
Unloading device 3 controls industrial camera 4 and monitors furnace burdening layer thickness variation in real time in outer jointing jacket cylinder 2, solves solubilized height
The problem of warm pelletizing makes the raising of furnace bottom thickness of feed layer that entire production process be caused to be interrupted, while downtime can be effectively reduced,
Reduce the waste of material and the energy, improve production operational availability, prevent accident, achieve the purpose that it is energy-saving.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device, which is characterized in that the rotary hearth furnace furnace high-temperature ball
Group's thickness of feed layer detection device includes rotary hearth furnace furnace wall, the industrial camera for acquiring furnace bottom thickness of feed layer signal, through described
It is the outer jointing jacket cylinder for protecting the industrial camera of rotary hearth furnace furnace wall, described for the industrial camera to be sent into or exit
Outer jointing jacket cylinder and connect with the industrial camera pneumatic driving and reversing mechanism, for cooling air needed for the industrial camera
Pneumatic gas source needed for source or the pneumatic driving and reversing mechanism is filtered, regulates and controls and detects bleed pressure, and is stopping the supple of gas or steam
The power control cabinet of alarm signal, the air source box for providing gas source are issued when failure, for believing according to the furnace bottom thickness of feed layer of acquisition
Number obtain the controller of furnace bottom thickness of feed layer and the man-machine interface that connect with the controller, the outer jointing jacket cylinder, industry
Camera and power control cabinet are connect with the air source box respectively；The industrial camera, controller are connect with the power control cabinet respectively.
2. rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device as described in claim 1, which is characterized in that the outer guarantor
Pretective sleeve pipe is cylindrical in shape, and the outer jointing jacket cylinder is made of stainless steel and superalloy material.
3. rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device as described in claim 1, which is characterized in that described pneumatic
Driving and reversing mechanism includes the solenoid valve of cylinder and the control gas cylinder working condition, and the cylinder is connect with the air source box.
4. rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device as described in claim 1, which is characterized in that the industry
Camera model is MER-G-P series digit video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960767.2U CN208296770U (en) | 2018-06-21 | 2018-06-21 | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960767.2U CN208296770U (en) | 2018-06-21 | 2018-06-21 | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208296770U true CN208296770U (en) | 2018-12-28 |
Family
ID=64702221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820960767.2U Active CN208296770U (en) | 2018-06-21 | 2018-06-21 | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208296770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827169A (en) * | 2018-06-21 | 2018-11-16 | 宝武集团环境资源科技有限公司 | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device |
-
2018
- 2018-06-21 CN CN201820960767.2U patent/CN208296770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827169A (en) * | 2018-06-21 | 2018-11-16 | 宝武集团环境资源科技有限公司 | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106338203B (en) | Visual field and temperature real-time monitoring system and control method in a kind of rotary hearth furnace | |
| CN108264248A (en) | A kind of light-burned MgO suspension calcinings production technology and device | |
| CN208296770U (en) | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device | |
| CN203080030U (en) | Ring type roaster | |
| CN109402310A (en) | Environment-friendly energy-saving type blast furnace slag intelligent treatment system | |
| CN103024357A (en) | Automatic rotational lifting monitoring system for fouling and slagging of boiler furnace of coal-fired power plant | |
| CN108827169A (en) | A kind of rotary hearth furnace furnace high-temperature pelletizing feed layer thickness detection device | |
| CN205011649U (en) | Novel environmental protection limekiln | |
| US11718559B2 (en) | Closed loop control with camera detection of pebble size of lime particles to ameliorate lime kiln ringing and improve uptime and operating efficiency | |
| CN212253605U (en) | High-temperature alumina calcining equipment | |
| CN112279536A (en) | Production process of industrial byproduct gypsum | |
| CN206891148U (en) | A kind of bicyclic room alternately heating filters dirt intellectuality calciner plant certainly | |
| CN211770958U (en) | Multi-row inserting plate type lime shaft kiln material distribution system | |
| CN103451413A (en) | Method for processing rings of rotary kiln for magnetizing roasting low-grade iron ore | |
| CN101377385A (en) | Method and apparatus for processing and cooling petroleum coke calcined by rotary kiln | |
| RU2308649C1 (en) | Method of monitoring drying of ceramic articles | |
| CN209173637U (en) | A kind of novel dust removing storehouse | |
| CN110896434A (en) | Improve gas curtain system of intelligence slagging-off camera image quality | |
| CN111099844A (en) | Multi-row inserting plate type lime shaft kiln material distribution system and material distribution method | |
| CN212741161U (en) | Shaft kiln device with parallel-flow calcination and countercurrent heat storage | |
| CN211770960U (en) | Cascaded rotatory cloth system of lime shaft kiln | |
| CN204461044U (en) | Charcoal element revolution bed calcining furnace recirculating cooling water system | |
| CN210560517U (en) | Air distribution control device capable of automatically adjusting uniformity of flow field | |
| CN206828595U (en) | A kind of online pre-control device of pelletizing production technique | |
| CN111829337A (en) | High-temperature alumina calcining equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |