CN204096398U - For granular material feed bin and apply the Analytic Tower device of this feed bin - Google Patents
For granular material feed bin and apply the Analytic Tower device of this feed bin Download PDFInfo
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- CN204096398U CN204096398U CN201420541886.6U CN201420541886U CN204096398U CN 204096398 U CN204096398 U CN 204096398U CN 201420541886 U CN201420541886 U CN 201420541886U CN 204096398 U CN204096398 U CN 204096398U
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Abstract
The utility model relates to the Level control technical field of granular material, provide a kind of feed bin for granular material and apply the Analytic Tower device of this feed bin, the bottom of this feed bin has blanking channel, the top of described feed bin is provided with material-level detecting device, and is configured to: blanking channel described in the detection path up/down perforation of described material-level detecting device.Application the utility model, material-level detecting device gathers the whole process to blanking channel from feed bin inner chamber without barrier; In the course of the work, the ranging of material-level detecting device can obtain continuous material level all the time, guarantees that hole capital after selling all securities phenomenon is by detecting accurately and timely, and especially, the problem too low material level can being avoided to detect obtain occurs, normally runs provide failure-free guarantee for system.
Description
Technical field
The utility model relates to the Level control technical field of granular material, particularly relates to a kind of feed bin for granular material and applies the Analytic Tower device of this feed bin.
Background technology
Adsorption tower and Analytic Tower are two key reaction places of active carbon desulfurization denitration technology, and the two organic cooperation completes the absorption of discharge harmful substances from flue gases, and the regeneration of active carbon and activation; This technology is using active carbon as catalyst, removes the SO in flue gas
2, NO
xdeng pernicious gas, thus, on the basis meeting fume exhaust requirement, recoverable high concentration SO
2, realize the recycle of active carbon simultaneously.
As everyone knows, adsorb the regenerating active carbon activating technology of objectionable impurities, mainly comprised dosing and resolve and add Thermal desorption two kinds of modes.Wherein, the mode of resolving is carried out based on heat activated charcoal, utilize the active carbon in thermal medium indirect heating Analytic Tower, active carbon keeps the regular hour at high-temperature zone (320-490 DEG C), adsorbed objectionable impurities is made to be discharged active carbon, get final product the adsorption function of activity recovery charcoal, realize the regeneration of active carbon.Refer to Fig. 1, the figure shows the integral structure schematic diagram of a kind of typical Analytic Tower in prior art.
This multi-tower type regenerating column 100 has two heating part 100a, in working process, active carbon after the full conjunction of absorption is discharged bottom adsorption tower, be delivered to tower body top and enter active carbon accommodation section 103 via single-revolution valve 104, and enter two heating part 100a respectively via a word thin plate 101, in two heating part 100a, the objectionable impurities high temperature of charcoal absorption issues solution estranged.Recapture active active carbon round roller discharge 108 bottom each heating part 100a, come together in an active carbon discharge portion 108, discharged by the bottom rotovalve 106 of Analytic Tower.
In Analytic Tower course of normal operation, need to inject nitrogen and enter as carrier gas, so that the high concentration SO parsed will be divided from active carbon
2deng material reliable recovery.If hole capital after selling all securities appears in active carbon accommodation section 103, carry resolution gas by causing the nitrogen of nearly 100KPa and overflow via active carbon accommodation section 103, that is, form gas " short circuit " phenomenon at active carbon accommodation section 103 place.Obviously, nitrogen and high concentration SO
2deng the spilling of gas, certain injury will be formed for field maintenance person and animals and plants, or even leakage is not taken measures in time, will cause severe safety accident.
Should be appreciated that hole capital after selling all securities " short circuit " phenomenon of above-mentioned feed bin, except the top feed bin being present in Analytic Tower, fall to flowing at granule materials in other applications of path downstream and exist too, and be not able to effective solution always.
In view of this, the top hole capital after selling all securities risk urgently looked for another way for existing Analytic Tower device is optimized design, to evade hidden danger.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model there is the possible defect of hole capital after selling all securities in the feed bin working process of existing top.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of feed bin for granular material, the bottom of its feed bin has blanking channel, and the top of described feed bin is provided with material-level detecting device, and is configured to: blanking channel described in the detection path up/down perforation of described material-level detecting device.
Preferably, described blanking channel is set to multiple, and is correspondingly provided with described material-level detecting device respectively.
Preferably, described material-level detecting device is radar sensor or sonac.
Preferably, described blanking channel from top to bottom in adduction shape gradually, in horizontal plane, the detection path of described material-level detecting device and the center superposition of described blanking channel lower port.
Preferably, described material-level detecting device exports the current level signals that gathers to controller, described controller with current level signals lower than minimum material level threshold value for condition, obtain the first judged result that in feed bin, material level is too low.
Preferably, according to the first judged result, described controller exports charging control signal to the control end of inlet valve or output alarm signal.
Preferably, described controller also with current level signals higher than most high charge level threshold value for condition, obtain the second judged result that in feed bin, material level is too high, and stop according to described second judged result output control end or the output alarm signal of expecting to control signal to inlet valve.
Preferably, material guiding elements is provided with in the middle part of at the bottom of the storehouse of described feed bin; Vertically, the outer surface of described material guiding elements from the inside to the outside in the gradual change trend that increases successively to downward-extension.
Preferably, described material guiding elements is housing structure; The sidewall of described housing has sieve aperture, and the size of described sieve aperture is less than the minimum nominal operation particle diameter of described material; In the middle part of at the bottom of described storehouse, there is clean-up port, and be provided with the turned parts with described clean-up port adaptation.
The utility model also provides a kind of Analytic Tower device, and comprise Analytic Tower main body and carry active carbon to the top feed bin of described Analytic Tower main body, it is characterized in that, described top feed bin is specially the above-mentioned feed bin for granular material.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the material-level detecting device being arranged on feed bin top, and it detects path up/down perforation blanking channel, makes thus, and material-level detecting device gathers the whole process to blanking channel from feed bin inner chamber without barrier; In the course of the work, the ranging of material-level detecting device can obtain continuous material level all the time, guarantees that hole capital after selling all securities phenomenon is by detecting accurately and timely, and especially, the problem too low material level can being avoided to detect obtain occurs, normally runs provide failure-free guarantee for system.
In preferred version of the present utility model, corresponding material-level detecting device is set respectively based on multiple blanking channel; That is, each blanking channel all independently carries out the material-level measure in this path, even if the Flow of Goods and Materials speed of the flow path that respectively falls is inconsistent, also reliably can ensure that each branch road all there will not be short circuit phenomenon.
In another preferred version of the present utility model, blanking channel is from top to bottom in adduction shape gradually, the detection path of material-level detecting device and the center superposition of blanking channel lower port, setting like this, when there is the change in error limit in the signal transmitting amplitude of detecting device, still can guarantee that it detects blanking channel described in the up/down perforation of path, reliably gather the whole process to blanking channel from feed bin inner chamber without barrier, the configuration level of detecting device can be reduced thus, and then reduce complete machine manufacturing cost.
Accompanying drawing explanation
Fig. 1 shows the integral structure schematic diagram of existing a kind of typical Analytic Tower;
Fig. 2 is the integral structure schematic diagram of Analytic Tower device described in the first embodiment;
Fig. 3 is the Level control block scheme of feed bin described in the first embodiment;
The integral structure schematic diagram that Fig. 4 is feed bin shown in Fig. 2;
Fig. 5 is the integral structure schematic diagram of feed bin described in the second embodiment;
Fig. 6 is the integral structure schematic diagram of feed bin described in the 3rd embodiment.
In Fig. 2-Fig. 6:
Analytic Tower main body 1, feed bin 2, blanking channel 21, interior plate 211, outer panel 212, feeding-passage 22, material guiding elements 23, material guiding elements 23a, material guiding elements 23b, clean-up port 24, access panel 25, turned parts 3, material-level detecting device 4, level-sensing device 5, switch valve 6, controller 7, feeding seal rotovalve 8, discharge encapsulated rotary valve 9.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment one
Refer to Fig. 2, this figure is the integral structure schematic diagram of Analytic Tower device described in the present embodiment.
This Analytic Tower device comprises Analytic Tower main body 1, and the active carbon completing absorption delivers to top feed bin 2 through conveyer, and the blanking channel 21 through feed bin 2 bottom exports the active carbon of process to be resolved to Analytic Tower main body 1.Same as the prior art, in Analytic Tower main body 1, utilize the active carbon in thermal medium indirect heating Analytic Tower, active carbon keeps the regular hour at high-temperature zone (320-490 DEG C), makes adsorbed SO
2issue solution estranged etc. objectionable impurities high temperature and discharge, getting final product the adsorption function of activity recovery charcoal, realize the regeneration of active carbon; Recapture active active carbon to be discharged by the bottom of Analytic Tower, be transported to adsorption tower top via conveyer and carry out recycle.
It should be noted that, the feeding and discharging system of this Analytic Tower device, heating system and high concentration resolve the functional components such as the recycling of gas, all can adopt existing techniques in realizing, therefore repeat no more herein.
In this programme, Analytic Tower main body 1 is set to two, so that on the basis meeting system analysis ability, controls the safe altitude of tower body.Feed bin 2 is correspondingly provided with two blanking channels 21, blanking channel 21 is identical with the magnitude setting of Analytic Tower main body 1, should be appreciated that the requirement according to system processing power, except two shown in figure, can also be set to that other are a plurality of.
Wherein, the top of feed bin 2 is provided with material-level detecting device 4, the corresponding blanking channel 21 of detection path up/down perforation of this material-level detecting device 4; Therefore, from feed bin 2 inner chamber to the whole path of blanking channel 21, material-level detecting device 4 omnidistancely without barrier can gather material level, in the course of the work, the ranging of material-level detecting device 4 can obtain material level all the time continuously, guarantees that hole capital after selling all securities phenomenon is by detecting accurately and timely.
Here, what material-level detecting device 4 was selected is radar sensor, in fact, also can select sonac, obviously, as long as detection stroke and precision meet the use needs of material level Real-time Collection, all in the scope of the application's request protection.
After radar sensor or sonac use for a long time, may occur that signal launches the change of amplitude, and this change belongs in error limit, does not form impact to accuracy of detection.For being the blanking channel 21 of adduction shape gradually from top to bottom, this sensor changes in amplitude makes its ranging crossing with the inwall of blanking channel 21, cannot collect current material level really.For reducing the problems referred to above Probability to greatest extent, further optimization can be done, particularly, in horizontal plane, the detection path of material-level detecting device 4 and the center superposition of blanking channel 21 lower port; Like this, when the change in error limit appears in the signal transmitting amplitude of detecting device, still can guarantee that it detects path up/down perforation blanking channel 21.
Based on the current level signals that radar sensor or sonac gather, service platform can be presented in real time, so that operator's observation is known.Be preferably based on current level signals automatically to control, to avoid personal monitoring's error, specifically refer to Fig. 3, the figure shows the block scheme of Level control.Material-level detecting device 4 exports the current level signals that gathers to controller 7, controller 7 with current level signals lower than minimum material level threshold value for condition, obtain the first judged result that in feed bin, material level is too low; And according to the first judged result, controller 7 exports the control end of charging control signal to feeding seal rotovalve 8, certainly, also can output alarm signal, thus failure-free avoids feed bin 2 place to form gas " short circuit " phenomenon.
In addition, controller 7 also with current level signals higher than most high charge level threshold value for condition, obtain the second judged result that in feed bin, material level is too high, and stop according to the output of this second judged result control end or the output alarm signal of expecting to control signal to inlet valve, guarantee that complete machine trouble free well runs.
In addition, switch valve 6 is provided with between the blanking channel 21 of each feed bin 2 and the inlet point of each Analytic Tower main body 1.During use, when side Analytic Tower main body needs to carry out repair and maintenance, only need to close switch valve corresponding to this side main body 6, then open this side discharge encapsulated rotary valve 9, after all being discharged by active carbon wherein, the maintenance of this side tower body can be carried out; Meanwhile, other Analytic Tower main bodys can normally work, thus do not affect the normal operation of machine system.In addition, according to actual condition needs, optionally can close the charging switch valve of Analytic Tower, also, only perform thermal regeneration process by part analysis tower main body.
In order to obtain preferably operation ease, each switch valve 6 can be electrically-controlled valve, and the control signal mouth that its control signal receiving end sends according to controller 7 is respectively connected; Thus, send the control signal of opening or closing down by the controller 7 that control terminal is arranged based on different operating mode, to the control signal receiving end of respective switch valve 6, selectivity operation can be carried out by actual working state.In like manner, the independent control principle of Analytic Tower main body 1 is applicable to the scheme of other a plurality of main bodys.Certainly, switch valve 6 also can be designed as hand valve, specifically by service personnel according to actual condition M/C.
Further as shown in Figure 4, the bottom of feed bin 2 is the taper of gradually adduction, so that arrange two symmetrically arranged blanking channels 21.In the plane at two blanking channel 21 places, the oblique setting of interior plate 211 of each blanking channel 21, and interior plate 211 is greater than the angle of repose 32 ° of activated carbon granule with the angle β of horizontal surface, outer panel 212 is vertically arranged, so that arrange access panel 25 on outer panel 212, outer panel 212 is also namely away from the side plate of feed bin 2 side; Here, the noun of locality " interior " used and " outward ", with feed bin 2 center for benchmark definition, the scope that the use of the above-mentioned noun of locality is protected for the application's request is not construed as limiting.
Setting like this, when technological operation is undesirable, or when conveyer foreign material, water etc. cause blanking channel 21 to block, service personnel can be opened access panel 25 and carry out combing logical process, thus the accident appearance avoiding blanking channel 21 block causing system normally to run.Particularly, the outer panel 212 of vertical setting offers access hole (not shown), preferably removable seal is adopted to be connected with between outer panel 212 with the access panel 25 of this access hole adaptation, to meet high-temperature high-pressure state inner in Analytic Tower working process, avoid unnecessary leaking outside.
In addition, the feeding-passage 22 of this feed bin 2 is arranged on top, and its underpart is provided with two blanking channels 21, lays respectively at the both sides of feed bin body.Its feeding-passage 22 can be arranged in position according to actual needs, certainly, is arranged on top center place shown in Fig. 4, to a certain extent for the current-sharing of both sides blanking channel 21 provides failure-free basis.In this programme, in the middle part of at the bottom of the storehouse of feed bin 2, be provided with material guiding elements 23, be also namely arranged on the bin bottom between two blanking channels 21; Vertically, the outer surface of this material guiding elements 23 from the inside to the outside in the gradual change trend that increases successively to downward-extension.
In working process, when activated carbon granule falls in feed bin 2, to side shunting under the guiding of this component, and enter downstream Analytic Tower main body 1 via corresponding blanking channel respectively.Specifically as the feed bin bottom material signal in Fig. 2, bin bottom does not have active carbon to be detained dead band, and the active carbon entered in feed bin 2 all participates in working cycle.
Material guiding elements 23 entirety of this programme is in coniform, and preferably, the angle α of this element of cone and horizontal surface is greater than the angle of repose 32 ° of activated carbon granule material, can obtain good material working cycle to greatest extent.Further, the outer surface lower edge of material guiding elements 23 extends to the inner edge of blanking channel 21, and both docking make flowing downward of active carbon more smooth and easy accessible.
In addition; inevitably there are wearing and tearing or fall damage in active carbon, form particulate or dust in delivery cycle process, after entering the mixing of Analytic Tower main body high-temperature heating chance aqueous vapor; very easily, there is very large potential safety hazard in the catwalk of blocking flowing circulating path under high-temperature high-pressure state.In order to reduce the possibility of blocking channel, the housing sidewall of this material guiding elements 23 can have sieve aperture (not shown), obviously, the size of sieve aperture is less than the minimum nominal operation particle diameter of active carbon, here, " minimum nominal operation particle diameter " refers to, can not block narrow and small path, guarantee good duty cycle under certain humidity.In the process of active carbon surperficial downward landing via material guiding elements 23; cavity between the particulate that cannot reuse or dust can be sized at the bottom of housing and storehouse; thus, particulate or dust can be avoided to produce harmful effect to subsequent path, guarantee the reliability service of whole system.And particulate or dust between falling at the bottom of housing and storehouse, regularly at the bottom of storehouse, clean-up port 24 is carried out removing and is processed; As shown in Figure 4, with at the bottom of storehouse in the middle part of clean-up port 24 correspondingly, be provided with the turned parts 3 with its adaptation.For the turned parts 3 of open and close clean-up port 24, the flanged plate form that structure is simple, finished product is lower can be adopted, unscrewing thread fastener during cleaning operation; Also can adopt easy to operate shutoff valve, valve of outwarding winding during concrete operations can operate, and is Comparatively speaking optimal case.
Certainly, for the Analytic Tower of different operating ability, the size of aforementioned sieve aperture can set according to actual requirement of engineering.During specific design, different version can be adopted to realize, such as, housing adopts sieve tray structure, and on it, machine adds formation circular port or bar hole; Also can adopt such design, in framed structure, bar shaped grate plate is laid at interval, namely between adjacent two grate plates, forms bar shaped screen hole.As long as should be appreciated that and arrange for sieving micro activated carbon particle or dust in the housing sidewall of material guiding elements 23, all in the scope of the application's request protection.
Special version, feed bin 2 described in the present embodiment also can be used for any granular material use occasion of setting up flow circuit according to gravity, but not is confined to the application in Analytic Tower.Correspondingly, interior plate 211 and the angle β of horizontal surface of the element of cone of material guiding elements 23 and the angle α of horizontal surface and blanking channel 21, all should be greater than the angle of repose of corresponding granular material.Wherein, the version of material guiding elements is not limited to the taper shape provided in the present embodiment.Such as, the round table-like material guiding elements described in following second embodiment, or its outer surface can be wavy in bending, as long as interior to the outer gradual change trend in increasing successively to downward-extension.
Embodiment two
Refer to Fig. 5, the figure shows the integral structure schematic diagram of feed bin described in the second embodiment.
This programme is identical with the basic comprising of feed bin described in the first embodiment, and difference is: material guiding elements 23a entirety is round table-like, to arrange level-sensing device 5 at its top, to detect material level in storehouse.Certainly, the top of round table-like material guiding elements 23a, as supporting part, can also arrange other Function detection elements (such as LOAD CELLS, heat indicator etc.), so that centralized arrangement management.The difference of this programme and the first embodiment is shown in order to clear and contact, in figure, the component of identical function adopts same tag to indicate.
In like manner, the round table-like bus of material guiding elements 23a and the angle of horizontal surface are greater than the angle of repose 32 ° of activated carbon granule material.
In above-mentioned two embodiments, the blanking channel 21 of feed bin and its corresponding Analytic Tower main body are two, in fact, except the design form of two blanking channels 21, the program is also applicable to the setting of other a plurality of blanking channels 21, such as: three or four etc., specifically can arrange the uniform setting of corresponding circumference according to actual tower body, but not be confined to the blanking channel of two shown in figure.In above-mentioned two embodiments, material guiding elements is swivel, and obviously, for two blanking channels be arranged symmetrically with 21, material guiding elements can adopt the non-rotary body form described in embodiment three.
Embodiment three:
Refer to Fig. 6, the figure shows the integral structure schematic diagram of feed bin described in the 3rd embodiment.
This programme is identical with the basic comprising of feed bin described in first and second embodiment, and difference is: material guiding elements 23b entirety is in saddle type, and the outer skewed surface of this saddle type material guiding elements 23b both sides is symmetrical arranged relative to two blanking channels 21.The difference of this programme and first and second embodiment is shown in order to clear and contact, in figure, the component of identical function adopts same tag to indicate.
In like manner, outside the both sides of saddle type material guiding elements 23b, the angle of skewed surface and horizontal surface is all greater than the angle of repose 32 ° of activated carbon granule material
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. for a feed bin for granular material, the bottom of its feed bin has blanking channel, it is characterized in that, the top of described feed bin is provided with material-level detecting device, and is configured to: blanking channel described in the detection path up/down perforation of described material-level detecting device.
2. the feed bin for granular material according to claim 1, is characterized in that, described blanking channel is set to multiple, and is correspondingly provided with described material-level detecting device respectively.
3. the feed bin for granular material according to claim 1 and 2, is characterized in that, described material-level detecting device is radar sensor or sonac.
4. the feed bin for granular material according to claim 3, is characterized in that, described blanking channel from top to bottom in adduction shape gradually, in horizontal plane, the detection path of described material-level detecting device and the center superposition of described blanking channel lower port.
5. the feed bin for granular material according to claim 1, it is characterized in that, described material-level detecting device exports the current level signals that gathers to controller, described controller with current level signals lower than minimum material level threshold value for condition, obtain the first judged result that material level is too low in feed bin.
6. the feed bin for granular material according to claim 5, is characterized in that, according to the first judged result, described controller exports charging control signal to the control end of inlet valve or output alarm signal.
7. the feed bin for granular material according to claim 5 or 6, it is characterized in that, described controller also with current level signals higher than most high charge level threshold value for condition, obtain the second judged result that in feed bin, material level is too high, and stop according to described second judged result output control end or the output alarm signal of expecting to control signal to inlet valve.
8. the feed bin for granular material according to claim 1, is characterized in that, is provided with material guiding elements in the middle part of at the bottom of the storehouse of described feed bin; Vertically, the outer surface of described material guiding elements from the inside to the outside in the gradual change trend that increases successively to downward-extension.
9. the feed bin for granular material according to claim 8, is characterized in that, described material guiding elements is housing structure; The sidewall of described housing has sieve aperture, and the size of described sieve aperture is less than the minimum nominal operation particle diameter of described material; In the middle part of at the bottom of described storehouse, there is clean-up port, and be provided with the turned parts with described clean-up port adaptation.
10. an Analytic Tower device, comprise Analytic Tower main body and carry active carbon to the top feed bin of described Analytic Tower main body, it is characterized in that, described top feed bin is specially as claimed in any one of claims 1-9 wherein for the feed bin of granular material.
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| CN201420541886.6U CN204096398U (en) | 2014-09-19 | 2014-09-19 | For granular material feed bin and apply the Analytic Tower device of this feed bin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261015A (en) * | 2014-09-19 | 2015-01-07 | 中冶长天国际工程有限责任公司 | Stock bin for storing granulated materials and desorption tower device with stock bin |
| CN108190288A (en) * | 2017-12-28 | 2018-06-22 | 江苏宝宸净化设备有限公司 | A kind of nuclear power plant's cement transportation system |
-
2014
- 2014-09-19 CN CN201420541886.6U patent/CN204096398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261015A (en) * | 2014-09-19 | 2015-01-07 | 中冶长天国际工程有限责任公司 | Stock bin for storing granulated materials and desorption tower device with stock bin |
| CN108190288A (en) * | 2017-12-28 | 2018-06-22 | 江苏宝宸净化设备有限公司 | A kind of nuclear power plant's cement transportation system |
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| CB03 | Change of inventor or designer information |
Inventor after: Fu Xuming Inventor after: Xiao Zhongyuan Inventor after: Ye Hengdai Inventor after: Chen Yongming Inventor after: Yu Yongmei Inventor before: Fu Xuming Inventor before: Xiao Zhongyuan Inventor before: Ye Hengdai |
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Effective date of registration: 20160727 Address after: 410007 Changsha City, Hunan province labor Road No. 1 Patentee after: ZhongYe Changtian International Engineering Co., Ltd. Patentee after: Baoshan Iron & Steel Co., Ltd. Address before: 410007 Changsha City, Hunan province labor Road No. 1 Patentee before: ZhongYe Changtian International Engineering Co., Ltd. |