CN201704345U - Sealed slag smoldering device - Google Patents
Sealed slag smoldering device Download PDFInfo
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- CN201704345U CN201704345U CN2010202244239U CN201020224423U CN201704345U CN 201704345 U CN201704345 U CN 201704345U CN 2010202244239 U CN2010202244239 U CN 2010202244239U CN 201020224423 U CN201020224423 U CN 201020224423U CN 201704345 U CN201704345 U CN 201704345U
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- vexed slag
- vexed
- slag
- lid
- lifting
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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
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Abstract
The utility model discloses a sealed slag smoldering device, which comprises a walking device, a lifting sealing device, an automatic spray device and a safety protective device. The lifting sealing device arranged on the walking device can move along with the walking device, the lifting sealing device includes a slag smoldering cover and a lifting driving device driving the slag smoldering cover to lift, the lifting driving device arranged on the walking device is connected with the slag smoldering cover, the automatic spray device is arranged on the slag smoldering cover, and the safety protective device for adjusting air pressure in a slag smoldering tank or a slag smoldering pit is disposed on the slag smoldering cover. The sealed slag smoldering device can automatically walk and lift, simplifies device structure, realizes automatic operation, avoids working environment pollution, and ensures safety production.
Description
Technical field
The utility model relates to the vexed slag device of a kind of sealing, particularly a kind of can the walking automatically and the vexed slag device of sealing of lifting.
Background technology
Slag is the inevitable byproduct that steel-making enterprise is produced in smelting process, according to incompletely statistics, the slag amount can account for 10% to 15% of output of steel approximately, for a large amount of slag like this, the measure of being taked in the past all is directly it to be abandoned, accumulation year in year out, and the slag of saving bit by bit has in a large number taken a large amount of land areas, cause waste, and contaminate environment that can be serious.Along with increasing substantially of China's iron and steel demand and actual output, how to carry out slag fast and effectively and handle and to have become the normal operation that is related to steel-making enterprise and the major issue of Sustainable development, need solution badly.
Common process for treating steel slag has water quenching at present, the wind method of quenching, drum process, dish sprinkles method and vexed slag method, the slag component excellent property after vexed slag method is handled wherein, impurity (as free calcium oxide etc.) can access and effectively clear up, and the active ingredient in the slag (as Calucium Silicate powder etc.) can access effective reservation, can be used in the processing steel slag cement, it is one of effective way of the extensive recycling of slag, so, vexed in recent years slag method has obtained development faster at home, the pond is vexed, cheating vexed is more representative vexed slag treatment process, it is that slag is cooled to certain temperature (as 600 degree) afterwards, insert in vexed slag bath or the vexed pit, suitable spray water makes hot slag carry out chemical transformation and cooling simultaneously in the hole, pond, the vexed method in original pond or to cheat vexed method be open type, the vexed slag time needs more than 24 hours, process time is longer, in order to enhance productivity, by using vexed slag lid that vexed slag space is airtight, as in enclose patent 200810038161.4 and 200420058581.6 disclosed steel slag hot disintegratings are handled with equipment and corresponding steel slag hot disintegrating treatment process, these technical schemes all are to enhance productivity in order to make full use of various production capacities more, be issued to the purpose that slag is handled such as the waste heat that utilizes slag and in the effect of water vapour, but above-mentioned technical scheme has all been ignored an important production link except that the defective that self exists, just in the improvement of the aspects such as lifting of the walking of vexed slag device self and vexed slag lid, and the improvement of above-mentioned these aspects is the important factors of enhancing productivity.
In existing technology, vexed slag lid is to stride crane by the slag of factory's special use to sling and move to vexed slag bath or vexed pit top, loosening chain afterwards descends vexed slag lid and is covered on vexed slag bath or the vexed pit, the defective of this mode is: at first, the volume of crane and weight are all bigger, need take large-area building site area and factory building space, because weight is bigger, heavy dumb, various adjustment in the work are all very inconvenient, and its cost of the crane of this big specification often is very high, so also there is the low problem of cost utilization ratio; Secondly, by the heavy inflexible reason of above-mentioned crane, adding vexed slag lid is to be placed on the crane, so cause frequently rocking of vexed slag lid, it moves with the position of lifting all wayward, is unfavorable for being covered on accurately on vexed slag bath or the vexed pit, thereby influence vexed slag effect, and the lifting dynamics of vexed slag lid is not easy to control, and lid is put in the process surging force and crossed senior general and cause steam and dust pollution and easily cause ageing equipment, forms potential safety hazard; Have again, make the operation inconvenience of equipment, have more highly difficult based on above-mentioned reason, be unfavorable for the realization of automatization, this equipment can only be by staff's manual operation at the scene, and the Working environment that well-known slag is handled is more abominable, and this will be very big burden to the staff.
From the above, existing slag treatment facility still has more defective, causes production efficiency low, and production cost is higher, needs improvement badly.Given this plant situation, the design people borrows its technical experience of association area and abundant relevant professional knowledge for many years, and constantly research and development improve, and through a large amount of practical proofs, have proposed the technical scheme of the vexed slag device of sealing of the present utility model.
The utility model content
The purpose of this utility model is to provide a kind of sealing vexed slag device, can walk automatically and lifting, and the simplified apparatus structure, realize operation automation, avoid Working environment to pollute.
To achieve these goals, the utility model provides a kind of sealing vexed slag device, comprising: running gear; Being located at described running gear also can be with its lifting tightness system that moves, and described lifting tightness system comprises vexed slag lid and drive the lifting drive of described vexed slag lid lifting that described lifting drive is located at described running gear and is connected described vexed slag lid; Automatic spraying device is located at described vexed slag and is covered; Regulate the safety guard of vexed slag bath or vexed pit internal gas pressure, be arranged at described vexed slag and cover.
The vexed slag device of above-mentioned sealing, wherein, described running gear comprises: support frame, it comprises can be across the crossbeam of vexed slag bath or vexed pit, vertical downwards respectively the extension is provided with identical leg section at the two ends of described crossbeam, described support frame is " ㄇ " shape, and the lower end of each described leg section is respectively equipped with the set of wheels erecting frame of a level, and described two set of wheels erecting frame phase ears be arranged in parallel and perpendicular to described crossbeam; The running wheel group is located at two described set of wheels erecting frame belows respectively.
The vexed slag device of above-mentioned sealing, wherein, described running wheel group is arranged on the track of laying around described vexed slag bath or the vexed pit, and the described running wheel group outside is provided with the track clearing apparatus.
The vexed slag device of above-mentioned sealing, wherein, described track clearing apparatus is a catch, and described catch one end is fixed in described set of wheels erecting frame bottom, and the other end extends straight down and keeps off the outside in described running wheel group.
The vexed slag device of above-mentioned sealing, wherein, described each running wheel group comprises two wheels, and wherein two between-wheel spacings of a described running wheel group equate that with two between-wheel spacings of described another running wheel group described wheel is the synchronized drive wheel.
The vexed slag device of above-mentioned sealing, wherein, described lifting drive is electric liquid push-pull rod, and it is arranged on the described crossbeam, and the extended push-pull rod of described electric liquid push-pull rod is connected in the top of described vexed slag lid.
The vexed slag device of above-mentioned sealing, wherein, described lifting tightness system also comprises the positioning guidance device of the described vexed slag lid of location guiding lifting, described positioning guidance device connects described crossbeam and described vexed slag lid.
The vexed slag device of above-mentioned sealing, wherein, described positioning guidance device comprises locating shaft and abutment sleeve, one end of described locating shaft is fixedly arranged on described crossbeam and the other end extends straight down and be sheathed on described abutment sleeve, and an end of described abutment sleeve is fixedly arranged on described vexed slag tops and the other end extends straight up and mutually sheathed with described locating shaft.
The vexed slag device of above-mentioned sealing, wherein, described positioning guidance device is provided with four, described lifting drive is provided with one, this lifting drive is connected with the center position of described crossbeam and described vexed slag tops, and described four positioning guidance devices are that axis is divided into around it uniformly with described lifting drive.
The vexed slag device of above-mentioned sealing, wherein, the lower surface of described vexed slag lid convexes with the raised line of the sealed cistern of the edge setting that can stretch into vexed slag bath or vexed pit downwards.
The vexed slag device of above-mentioned sealing, wherein, described safety guard is an air pressure regulator.
From the above, the vexed slag device of sealing of the present utility model has following advantage and characteristics:
1, the vexed slag apparatus structure of sealing of the present utility model is succinct, and stable, by special running gear and support frame are set, has overcome the big and heavy inflexible defective of equipment occupation space of prior art, has reduced production cost simultaneously.
2, the vexed slag device of sealing of the present utility model has been realized the automatization of walking and lifting, on the one hand operating device moves position with lifting accurately, attached sealing structure for water with vexed slag lid and sealed cistern, the correct lid that guarantees vexed slag lid is established position and sealing effectiveness, thereby obtains the vexed slag treatment effect of ideal; Can control vexed slag lid lid on the other hand and put dynamics in the process, it is excessive and cause steam and dust pollution and cause ageing equipment to avoid lid to put in the process surging force, forms potential safety hazard.
3, the vexed slag device of sealing of the present utility model has improved Working environment and working strength, and has simplified operation by adopting automatization to control to realize the lifting of the moving of running gear, vexed slag lid, has improved production efficiency.
4, the running gear of the vexed slag device of sealing of the present utility model towel makes whole running gear operate steadily and walk accurately by the cooperation of the running wheel group and the sweeping device that disappears; The comprehensive action of lifting tightness system by lifting drive (electric liquid push-pull rod), locating shaft and abutment sleeve makes the adjustable height, speed, dynamics of vexed slag lid etc. all can obtain good control, can effectively improve operation quality.
5, the vexed slag device of sealing of the present utility model has replaced crane operation of the prior art, and seal the operating rate of vexed slag device can be effectively controlled, reduced the cost that the ton slag is handled.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.
The master of Fig. 1 vexed slag device for the utility model seals looks synoptic diagram;
The schematic side view of Fig. 2 vexed slag device for the utility model seals;
Fig. 3 A is that the utility model seals the vexed slag lid of vexed slag device and the master of electric liquid push-pull rod looks synoptic diagram;
Fig. 3 B is that the utility model seals the vexed slag lid of vexed slag device and synoptic diagram is looked on the right side of electric liquid push-pull rod;
Fig. 3 C is that the utility model seals the vexed slag lid of vexed slag device and the schematic top plan view of electric liquid push-pull rod;
The sealing structure for water synoptic diagram of Fig. 4 vexed slag of vexed slag device lid and sealed cistern for the utility model seals.
Description of reference numerals:
The vexed slag device of 100 sealings
200 tracks
1 running gear
11 support frames
111 crossbeams
112 leg section
113 set of wheels erecting frames
12 running wheel groups
13 track clearing apparatus
2 lifting tightness systems
21 lifting drives
22 positioning guidance devices
221 locating shafts
222 abutment sleeves
23 vexed slag lids
231 raised lines
3 automatic spraying devices
4 safety guards
5 sealed cisterns
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.
Please in conjunction with reference to figure 1 and Fig. 2, wherein the master of Fig. 1 vexed slag device for the utility model seals looks synoptic diagram, the schematic side view of Fig. 2 vexed slag device for the utility model seals, as shown in the figure, the vexed slag device 100 of sealing of the present utility model mainly comprises: running gear 1, lifting tightness system 2, automatic spraying device 3 and safety guard 4, wherein running gear 1 and lifting tightness system 2 are the important structure that realize the utility model technique effect, running gear 1 is used for supporting and driving the vexed slag device 100 of whole sealing moving horizontally, and it mainly includes support frame 11 and running wheel group 12; Lifting tightness system 2 is located on the running gear 1 so that can move horizontally with running gear 1, it mainly includes lifting drive 21, positioning guidance device 22, vexed slag lid 23, and wherein lifting drive 21 and positioning guidance device 22 all are connected with mutually with the support frame 11 of running gear 1; Automatic spraying device 3 is located on the vexed slag lid 23, be used for when vexed slag device move to specified location and vexed slag lid 23 when being covered on above vexed slag bath or the vexed pit accurately to its inner spray water; Safety guard 4 is arranged on the vexed slag lid 23; when being covered on vexed slag bath or vexed pit, vexed slag lid 23 carries out in the process that vexed slag handles; safety guard 4 can be used for regulating the atmospheric pressure value of vexed slag bath or vexed pit inside, thereby the value of keep-uping pressure is in the scope of safety.
Please continue with reference to figure 1 and Fig. 2, running gear 1 mainly includes support frame 11 and running wheel group 12, support frame 11 is " ㄇ " gap frame C in the present embodiment, it includes a horizontally disposed crossbeam 111, this crossbeam 111 can be across vexed slag bath or vexed pit top, vertical downwards respectively extension the in the two ends of crossbeam 111 is provided with identical leg section 112, thereby makes whole support frame 11 be symmetric " ㄇ " shape.The lower end of each leg section 112 is respectively equipped with the set of wheels erecting frame 113 of a level, two set of wheels erecting frames 113 are arranged in parallel and perpendicular to crossbeam 111, each set of wheels erecting frame 113 below is equipped with delegation and walks set of wheels 12, two running wheel groups, 12 parallel being set up in parallel, it can roll on the track of laying around vexed slag bath or the vexed pit 200, thereby driving whole support frame 11 moves horizontally, in the present embodiment, each running wheel group 12 comprises two wheels, wherein delegation's two between-wheel spacings of walking set of wheels equate with two between-wheel spacings of another running wheel group, certainly, it is enough to the vexed slag device 100 of the whole sealing of stable support, wheel adopts synchronous driving mode, as common two point driving etc., so that running gear 1 can move horizontally stably.In another embodiment, under the prerequisite of can the stable support whole vexed slag device 100 of sealing, running wheel group 12 also can directly be arranged at leg section 112 belows, thereby further simplified construction, and in order to guarantee the effect of stable support, leg section 112 can be designed to low wide and up narrow shape accordingly, perhaps, on leg section 112, stretch out leg again the running wheel group is installed, and can between leg, be connected with stiffening web, its concrete structure is well known to those skilled in the art, just repeats no more at this.
Be expert at the outside of set of wheels 12 also is respectively arranged with track clearing apparatus 13, to remove impurity and the obstacle on the track, guarantee that further the stable of running gear moves, present embodiment middle orbit clearing apparatus 13 is a catch, the one end is fixed in the bottom of set of wheels erecting frame 113, the other end extends straight down and keeps off the outside of the set of wheels 12 of being expert at, thereby when mobile, can keep off the impurity and the obstacle that remove on the mobile front track.
Vexed slag lid 23 is provided with automatic spraying device 3, when vexed slag device moves to specified location and vexed slag lid 23 when being covered on vexed slag bath or vexed pit top accurately, automatic spraying device 3 is to vexed slag bath or the inner spray water of vexed pit, it includes common rapid-acting coupling, sprays pipeline and shower nozzle, can it be closed by automatic control after the sprinkling amount reaches set(ting)value.
Also be provided with safety guard 4 on the vexed slag lid 23; be used to regulate the air pressure of vexed slag bath or vexed pit inside; safety guard 4 can adopt common air pressure regulator; when the air pressure of vexed slag bath or vexed pit inside surpasses preset value; air pressure regulator is opened automatically and is reduced pressure; when the air pressure of vexed slag bath or vexed pit inside is reduced to preset value when following, variable valve cuts out automatically.
Below in conjunction with illustrating that with reference to above-mentioned each figure the utility model seals the principle of work of vexed slag device: at first, can running wheel group 12 be rolled on track 200 by modes such as long-range driving or automatic controls, thereby make whole running gear 1 move to vexed slag bath or vexed pit top along track 200,23 pairs on vexed slag lid is positioned at vexed slag bath or vexed pit, the vexed slag lid 23 of lifting drive 21 drivings this moment descends, under the cooperation of positioning guidance device 22, make vexed slag lid 23 be covered on vexed slag bath or vexed pit accurately, and realize that by sealing structure for water sealing covers, sealing vexed slag afterwards handles, automatic spraying device 3 is connected the water source, cover intravital sprinkling pipeline and shower nozzle etc. by vexed slag and realize continuously spray water in vexed slag bath or vexed pit uniformly, after reaching set(ting)value, close automatically.Simultaneously, safety guard 4 is also adjusted the air pressure in vexed slag bath or the vexed pit, and the assurance treating processes is efficiently carried out smoothly.After the vexed slag treating processes of sealing finishes, vexed slag lid 23 is risen under the cooperation of positioning guidance device 22 by lifting drive 21, then, driving running gear 1 moves and makes the vexed slag device 100 of whole sealing leave vexed slag bath or vexed pit.
From the above, the vexed slag device of sealing of the present utility model has been realized automatic walking and lifting, and device structure is simple, and operation automation can avoid Working environment to pollute.The vexed slag device of sealing of the present utility model is for example applicable to realizing from the vexed slag operation of dynamic seal in the slag secondary treatment operation.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (11)
1. one kind seals vexed slag device, it is characterized in that the vexed slag device of described sealing comprises:
Running gear;
Being located at described running gear also can be with its lifting tightness system that moves, and described lifting tightness system comprises vexed slag lid and drive the lifting drive of described vexed slag lid lifting that described lifting drive is located at described running gear and is connected described vexed slag lid;
Automatic spraying device is located at described vexed slag and is covered;
Regulate the safety guard of vexed slag bath or vexed pit internal gas pressure, be arranged at described vexed slag and cover.
2. the vexed slag device of sealing according to claim 1 is characterized in that described running gear comprises:
Support frame, it comprises can be across the crossbeam of vexed slag bath or vexed pit, vertical downwards respectively the extension is provided with identical leg section at the two ends of described crossbeam, described support frame is " ㄇ " shape, the lower end of each described leg section is respectively equipped with the set of wheels erecting frame of a level, and described two set of wheels erecting frames are arranged in parallel and perpendicular to described crossbeam;
The running wheel group is located at two described set of wheels erecting frame belows respectively.
3. the vexed slag device of sealing according to claim 2 is characterized in that, described running wheel group is arranged on the track of laying around described vexed slag bath or the vexed pit, and the described running wheel group outside is provided with the track clearing apparatus.
4. the vexed slag device of sealing according to claim 3 is characterized in that, the described track sweeping device that disappears is a catch, and described catch one end is fixed in described set of wheels erecting frame bottom, and the other end extends straight down and keeps off the outside in described running wheel group.
5. according to claim 2, the vexed slag device of 3 or 4 described sealings, it is characterized in that, described each running wheel group comprises two wheels, and wherein two between-wheel spacings of a described running wheel group equate that with two between-wheel spacings of described another running wheel group described wheel is the synchronized drive wheel.
6. the vexed slag device of sealing according to claim 2 is characterized in that, described lifting drive is electric liquid push-pull rod, and it is arranged on the described crossbeam, and the extended push-pull rod of described electric liquid push-pull rod is connected in the top of described vexed slag lid.
7. the vexed slag device of sealing according to claim 2 is characterized in that, described lifting tightness system also comprises the positioning guidance device of the described vexed slag lid of location guiding lifting, and described positioning guidance device connects described crossbeam and described vexed slag lid.
8. the vexed slag device of sealing according to claim 7, it is characterized in that, described positioning guidance device comprises locating shaft and abutment sleeve, one end of described locating shaft is fixedly arranged on described crossbeam and the other end extends straight down and be sheathed on described abutment sleeve, and an end of described abutment sleeve is fixedly arranged on described vexed slag tops and the other end extends straight up and mutually sheathed with described locating shaft.
9. according to claim 7 or the vexed slag device of 8 described sealings, it is characterized in that, described positioning guidance device is provided with four, described lifting drive is provided with one, this lifting drive is connected with the center position of described crossbeam and described vexed slag tops, and described four positioning guidance devices are that axis is divided into around it uniformly with described lifting drive.
10. the vexed slag device of sealing according to claim 1 is characterized in that, the lower surface of described vexed slag lid convexes with the raised line of the sealed cistern of the edge setting that can stretch into vexed slag bath or vexed pit downwards.
11. the vexed slag device of sealing according to claim 1 is characterized in that described safety guard is an air pressure regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202244239U CN201704345U (en) | 2010-06-07 | 2010-06-07 | Sealed slag smoldering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202244239U CN201704345U (en) | 2010-06-07 | 2010-06-07 | Sealed slag smoldering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201704345U true CN201704345U (en) | 2011-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202244239U Expired - Lifetime CN201704345U (en) | 2010-06-07 | 2010-06-07 | Sealed slag smoldering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201704345U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045779A (en) * | 2013-01-08 | 2013-04-17 | 中冶东方工程技术有限公司 | Hydraulic cover body lifting turnover device used in hot sealing slag device |
| CN103981307A (en) * | 2014-05-30 | 2014-08-13 | 中冶华天南京工程技术有限公司 | Mobile hot smoldering slag treatment line |
| CN104342523A (en) * | 2014-10-23 | 2015-02-11 | 江苏永钢集团有限公司 | Slag stewing device used for thermally stewing steel slag |
| CN104694678A (en) * | 2015-03-25 | 2015-06-10 | 中冶建筑研究总院有限公司 | Telescopic-type steam discharging and dedusting method and device for hot splashing field |
| CN105349714A (en) * | 2015-12-11 | 2016-02-24 | 凉山瑞京环保资源开发有限公司 | Water seal tank and pyrolytic steel slag pond |
-
2010
- 2010-06-07 CN CN2010202244239U patent/CN201704345U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103045779A (en) * | 2013-01-08 | 2013-04-17 | 中冶东方工程技术有限公司 | Hydraulic cover body lifting turnover device used in hot sealing slag device |
| CN103045779B (en) * | 2013-01-08 | 2014-10-29 | 中冶东方工程技术有限公司 | Hydraulic cover body lifting turnover device used in hot sealing slag device |
| CN103981307A (en) * | 2014-05-30 | 2014-08-13 | 中冶华天南京工程技术有限公司 | Mobile hot smoldering slag treatment line |
| CN103981307B (en) * | 2014-05-30 | 2016-05-04 | 中冶华天南京工程技术有限公司 | The vexed slag of mobile hot is processed line |
| CN104342523A (en) * | 2014-10-23 | 2015-02-11 | 江苏永钢集团有限公司 | Slag stewing device used for thermally stewing steel slag |
| CN104342523B (en) * | 2014-10-23 | 2016-05-18 | 江苏永钢集团有限公司 | A kind of slag stewing device for the stewing slag of heat |
| CN104694678A (en) * | 2015-03-25 | 2015-06-10 | 中冶建筑研究总院有限公司 | Telescopic-type steam discharging and dedusting method and device for hot splashing field |
| CN104694678B (en) * | 2015-03-25 | 2016-08-24 | 中冶建筑研究总院有限公司 | A kind of telescopic row's Steam Dust method and apparatus for hot application field |
| CN105349714A (en) * | 2015-12-11 | 2016-02-24 | 凉山瑞京环保资源开发有限公司 | Water seal tank and pyrolytic steel slag pond |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing CERI CCO Technology Corp. Assignor: Zhongye Jingcheng Engineering Technology Co., Ltd. Contract record no.: 2011110000075 Denomination of utility model: Sealed slag smoldering device Granted publication date: 20110112 License type: Exclusive License Record date: 20110706 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110112 |