CN103512337A - Indirect heating type dryer - Google Patents
Indirect heating type dryer Download PDFInfo
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- CN103512337A CN103512337A CN201210478617.5A CN201210478617A CN103512337A CN 103512337 A CN103512337 A CN 103512337A CN 201210478617 A CN201210478617 A CN 201210478617A CN 103512337 A CN103512337 A CN 103512337A
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Abstract
The invention refers to an indirect heating type dryer, and is an indirect heating type dryer used for conveying a processed object in a regulated conveying direction (T) and simultaneously carrying out heating and drying process to the object; the dryer comprises a main body portion supplied for the processed object and used for carrying out drying treatment, and support mechanisms arranged on two sides of the conveying direction of the main body portion. The support mechanism is provided with a support portion used for supporting the main body portion in a mode of employing the top portion to rotate around a shaft arranged in direction orthotropic to the conveying direction, and a height adjusting member arranged between the support portion and a basal surface and used for adjusting the height of the support portion.
Description
Technical field
The present invention relates to the object being treated of discarded object etc. to heat and dry indirect heating type drying device when the throughput direction of regulation is carried.
Background technology
Because the object being treated of various biological substances and discarded object (mud) etc. contains a large amount of moisture, so exist, use drying device to implement the dry situation of processing (the dry processing of being undertaken by heating).As drying device in the past, for example the drying device of known a kind of indirect heating type, has: the housing of cross section U-shaped; 2 quill shafts that mutually counter-rotate in the inside of this housing; Be arranged in along the agitator of the hollow in the periphery of this quill shaft.
In this indirect heating type drying device, mud is from being arranged on the mud supply port of the throughput direction upstream extremity of housing, being fed into the object being treated receiving space being arranged between housing and quill shaft.Then, mud is stirred by the agitator (disk) of rotation, according to the Action of Gravity Field that tilts to produce because of housing and agitator, rotates the stirring of carrying out, and when being transported to downstream gradually, is dried.
During this period, object being treated is heated by being imported into the heat exchange medium of the steam, heat kerosene, hot water etc. of quill shaft, hollow agitator and enclosure interior, dry, and is discharged to machine from being positioned at the mud outlet of housing rear end.
Yet in indirect heating type drying device in the past,, there is the dry problem of working as of dealing with improperly that causes mud because of the proterties (kind, moisture content, viscosity, tack etc.) of object being treated in the angle of inclination of housing certain (fixing).For example, the mobility of mud is high, in the low situation of the filling rate of the mud in indirect heating type drying device, there is dry combustion method disk in more drying device (heat-conducting area of the disk not exposing contiguously with mud) and dry combustion method housing (heat-conducting area of the housing not exposing contiguously with mud).In this situation, produce the heat radiation (dry combustion method) of the waste of housing Nei space, thermal conductive surface, heat loss is large, becomes the reason that drying efficiency reduces.
On the other hand, in the low situation of the mobility of mud, mud is exceedingly heated, and the holdup time is elongated, and thus, treatment effeciency reduces, and sludge blockage is in machine.That is, the proterties of mud is various.Thus, transporting velocity (holdup time) difference.But, because supporting station or height of foundation are fixed, so after drying device main body installs, drying device main body inclination angle becomes necessarily.Thus, can not adjust and the corresponding suitable mud speed (holdup time) of sending of the proterties of the material that is dried.
Japanese kokai publication sho 62-019326 communique discloses the structure that can adjust arbitrarily the inclination angle of drying device main body.This structure is by forming with lower member: screwed hole, is arranged on the supporting station of supporting drying device main body; Screw, screws togather with this screwed hole, and with the set basal plane butt of supporting station.
In addition, No. 4322896 communique of Japan's patent openly adjusted the structure at the inclination angle of drying device main body by a plurality of plates.
But, although the drying device that Japanese kokai publication sho 62-019326 communique is recorded can at random be adjusted the inclination angle of drying device main body, but because angle of inclination adjuster is vertical with respect to installation surface (horizontal plane), so the adjustment at angle of inclination exists the limit.
In addition, the drying device that No. 4322896 communique of Japan Patent recorded is plate to be inserted to the structure in the gap of wedge shape, thereby the shape of plate is special, and the adjustment of angle is not easy.
Summary of the invention
The invention provides with simple structure and can easily adjust the indirect heating type drying device at inclination angle.
According to first method of the present invention, indirect heating type drying device is to heat and dry indirect heating type drying device when the throughput direction of regulation is carried object being treated, and it has: be supplied to described object being treated withering main part; Be arranged on the supporting device of the described throughput direction both sides of described main part.Described supporting device has: support, utilizes top to support described main part in the mode that can be rotated around the axle of the direction along with described throughput direction quadrature; Height adjustment member, is arranged between described support and basal plane, for adjusting the height of described support.
According to said structure, by adjusting height adjustment member, change the inclination angle of main part, can control the transporting velocity in the main part of object being treated.That is, can control the holdup time in the main part of object being treated.
In addition, the mode support body portion of the support of supporting device being rotated around the axle of the direction along with throughput direction quadrature, thus, has been used the adjustment at the height adjustment ，Ji inclination angle of height adjustment member to become easy.In addition, can simplify the structure of height adjustment member.
According to second method of the present invention, described height adjustment member also has air spring.According to said structure, can more easily implement the adjustment of height adjustment member to the inclination angle of main part.
According to Third Way of the present invention, described height adjustment member also can have the interval retention tab being laminated that can dismantle.
According to said structure, can further simplify the structure of height adjustment member.
According to cubic formula of the present invention, described indirect heating type drying device also has: detection means, detects at least one party in the flow regime of amount in the described main part of described object being treated and described object being treated; Control member, the result based on being detected by described detection means is controlled described height adjustment member.
According to said structure, can correspondingly automatically adjust the inclination angle of main part with the proterties of object being treated.
According to indirect heating type drying device of the present invention, by adjusting height adjustment member, change the inclination angle of main part, can control the transporting velocity in the main part of object being treated.That is, can control the holdup time in the main part of object being treated.
In addition, the mode support body portion of the support by supporting device being rotated around the axle of the direction along with throughput direction quadrature, has been used the adjustment at the height adjustment ，Ji inclination angle of height adjustment member to become easy.In addition, can simplify the structure of height adjustment member.
Accompanying drawing explanation
Fig. 1 is the Sketch figure of the drying system of the first embodiment of the present invention.
Fig. 2 is the cutaway view along the A-A line of Fig. 1.
Fig. 3 is the Sketch figure of supporting device of the indirect heating type drying device of the first embodiment of the present invention.
Fig. 4 is for the synoptic diagram of the effect of the first embodiment of the present invention is described.
Fig. 5 is for the synoptic diagram of the effect of the first embodiment of the present invention is described.
Fig. 6 is for the synoptic diagram of the effect of the first embodiment of the present invention is described.
Fig. 7 is the Sketch figure of the indirect heating type drying device of the second embodiment of the present invention.
The specific embodiment
(the first embodiment)
Below, the first embodiment that present invention will be described in detail with reference to the accompanying.
As shown in Figures 1 and 2, the drying system 2 of present embodiment as main composition key element there is feeder 4, indirect heating type drying device 1(is only called drying device below), evaporimeter 5, supporting device 6 and control device 7(control member).Feeder 4 has the hopper 3 of accommodating object being treated S.Indirect heating type drying device 1 heating and dry object being treated S.Evaporimeter 5 is supplied to drying device 1 by steam.Supporting device 6 is arranged on along the both sides of the throughput direction of the length direction of drying device 1.Control device 7 is controlled the height of supporting device 6.
In addition, indirect heating type drying device 1 is supported on the supporting station suitable with basal plane 14 via supporting device 6.
The drying system 2 of present embodiment is by regulating the height of supporting device 6 to change the system of the inclination of indirect heating type drying device 1.
Drying device 1 has housing 8(main part), sheath 16(is with reference to Fig. 2), transfer member 9, supply port 10 and outlet 11.Sheath 16 arranges in the mode of the outer surface of the bottom side of covering shell 8, makes the heating media circulation of steam, heat kerosene, hot water etc. and heated shell 8(and then the heating thing that is dried).Transfer member 9 is housed in the inside of housing 8.Supply port 10 is connected with feeder 4.Outlet 11 is connected with the recover (not shown) that reclaims object being treated S.That is, object being treated S is put into from supply port 10, and discharges from outlet 11.
Below, object being treated S is called to throughput direction T from supply port 10 towards the direction of outlet 11.Housing 8 has the cylindrical portion 8a extending along throughput direction T and is arranged on the flange part 8b at the throughput direction T both ends of cylindrical portion 8a.
In addition, after the steam of supplying with from evaporimeter 5 is directed to and forms the rotating shaft 12 of a pair of hollow of transfer member 9 and the inside of the housing 8 of hollow, then to evaporimeter 5 circulations.And, on rotating shaft 12, be provided with a plurality of agitator 13(agitating plates).
In addition, although not shown, on the top of housing 8, be provided with the gas discharge port of discharging by the dry dry gas producing of object being treated S.
In addition, in embodiments of the present invention, " object being treated S " refers to various biological substances and the discarded object of the moisture that comprises ormal weight.As discarded object, can enumerate sewage sludge, plant drainage mud, castoff, house refuse, people's excreta mud, animal waste, plant expressed juice dregs etc.
As shown in Figure 2, the transfer member 9 of drying device 1 has 2 rotating shaft 12a, 12b.Rotating shaft 12a, 12b with the rotating driving device 27(by motor etc. with reference to Fig. 1) mode of reverse rotation mutually forms.Rotating shaft 12a ,12bShi bottom is along the inside of the housing 8 of the cross sectional shape with U-shaped of rotating shaft 12, is laterally spaced from each other interval and disposed adjacent in parallel to each other.
The interior Zhou Duan of agitator 13 is connected on rotating shaft 12 and radially outstanding to the axes O center of rotating shaft 12, and agitator 13 mode that becomes 100～140 ° of left and right with central angle θ 1 is along circumferentially extending and forming roughly fan-shaped (first quarter moon shape).
In addition, the space between rotating shaft 12a, 12b and housing 8 has formed the object being treated receiving space 15 that imports object being treated S.
As shown in Figure 1, supporting device 6 is arranged on the upstream-side-end of throughput direction T of housing 8 and the end of downstream side of the throughput direction T of housing 8 in the mode from below support housing 8.As shown in Figure 3, supporting device 6 has support 17 and height adjustment member 18.Support 17 is installed on the flange part 8b of housing 8.Height adjustment member 18 is arranged between support 17 and supporting station 14, for adjusting the height of support 17.
As height adjustment member 18, be not limited to telescopic air spring, also can adopt such as diaphragm type air spring, motor-driven jack, hydraulic jack, electric cylinder and hydraulic cylinder etc.
Support 17 has bracket 20, sell 21, rotary part 22 and installing component 23.Bracket 20 is configured on the upper surface 18a of height adjustment member 18.Pin 21 along with the length direction of throughput direction T(housing 8) direction of quadrature is configured in bracket 20 top.Rotary part 22 is installed in Xiao21 two ends.Installing component 23 connects the flange part 8b of rotary part 22 and housing 8.
That is, support 17 utilizes the mode support housing 8 of its top being rotated around the axle of the direction along with throughput direction T quadrature.
Bracket 20 forms general triangular while observing from the side.Bracket 20 bottom surface is positioned on height adjustment member 18 in the consistent mode of the upper surface 18a with height adjustment member 18.
Installing component 23 is the tabular parts from the flange part 8b bottom along continuous straight runs extension of housing 8.Rotary part 22 is arranged on the lower surface of installing component 23.
Supporting device 6 is under original state, and housing 8 forms with the inclination angle of the regulation along with trend throughput direction T, height step-down.The proterties of the inclination angle of housing 8 and object being treated S etc. correspondingly controlled device 7 are controlled.
In the inside of housing 8, at the length direction two ends of housing 8, be provided with for measuring the liquid level gauge 24(detection means of the amount of the object being treated S in housing 8).Specifically, liquid level gauge 24 is sensors of the contact of downward extending from the inner peripheral surface top of housing 8.Liquid level gauge 24 can be measured the height of the object being treated S in the both ends of housing 8.
As shown in Figure 1, liquid level gauge 24 is connected with control device 7.Height in housing 8 both ends of the object being treated S of control device 7 based on being measured by liquid level gauge 24, the amount of inferring object being treated S.
In addition, liquid level gauge 24 does not need to be arranged on the two ends of housing 8.Liquid level gauge 24 also can be from the height of the object being treated S of the angle of inclination of housing 8 and one end of housing 8, the amount of inferring object being treated S.In addition, as liquid level gauge 24, not only can use the sensor of contact, can also use and utilize infrared ray or hyperacoustic contactless sensor.
In addition, as the member of measuring the amount of object being treated S, be not limited to above-mentioned liquid level gauge 24.Member as measuring the amount of object being treated S, can also pack weighing scale into height adjustment member 18, by inferring the weight of object being treated S, measures.
In addition, on rotating shaft 12, be provided with torque master 26, can measure the torque being applied on rotating shaft 12.Torque master 26 is connected with control device 7, can measure the load being applied on rotating shaft 12, i.e. the flow regime of object being treated S.
Below, about having used action and the action effect thereof of dry processing of object being treated S of the drying system 2 of present embodiment to describe.
First, carry out the heating of transfer member 9 and housing 8.Specifically, the steam (heat kerosene, hot water etc.) occurring from evaporimeter 5 is admitted to the inside of transfer member 9 and housing 8, and this steam circulates in the interior void of rotating shaft 12 and housing 8, heats thus.
And, when transfer member 9 and housing 8 are heated fully, then to the internal feed object being treated S of drying device 1.Specifically, feeder 4 work, the object being treated S of moisture content 60～100 quality % left and right of sending from feeder 4 is admitted to the inside of drying device 1 via supply port 10.
In addition, along with the supply of this object being treated S starts, start by the conveying of 9 couples of object being treated S of transfer member.Specifically, rotating shaft 12 is driven in rotation device 27 and rotarilys actuate, and agitator 13 is along throughput direction T from upstream side side conveying downstream object being treated S.In addition, the gravity that object being treated S also brings by the inclination by housing 8 is transferred towards throughput direction T.
And while starting the conveying by 9 couples of object being treated S of transfer member, object being treated S contacts with housing 8 with heated transfer member 9 as described above, object being treated S is heated thus.Thus, the moisture evaporation that object being treated S contains, along with object being treated S is transported to downstream along throughput direction T, the moisture content of object being treated S reduces.And, when object being treated S arrives the downstream of drying device 1, according to the heat of the unit interval being provided by evaporimeter 5 or by transfer member 9 in time of drying device 1 interior conveying etc., this moisture content changes to 0～60 quality % left and right.
Specifically, to be housed in the amount of the object being treated S in the object being treated receiving space in housing 8, become the mode of the amount of regulation, adjust the inclination angle of housing 8.Can control by adjusting the height of 2 height adjustment members 18 inclination angle of housing 8.
For example, in the amount situation how of the amount beguine of object being treated S according to the regulation of each key element decision of indirect heating type drying device 1, as shown in Figure 4, increase the inclination angle of housing 8, accelerate the translational speed of object being treated S, make thus the control of the approaching amount of stipulating of amount of object being treated S.That is, to shorten the mode of the holdup time in the housing 8 of object being treated S, increase inclination angle.
On the other hand, the amount of object being treated S, than in the few situation of the amount of regulation, as shown in Figure 5, reduces the inclination angle (approaching level) of housing 8, slows down the translational speed of object being treated S, makes thus the control of the approaching amount of stipulating of amount of object being treated S.
In addition, the automatic adjustment at the inclination angle of housing 8 is carried out in the torque of the rotating shaft 12 of control device 7 based on being detected by torque master 26.The torque of rotating shaft 12 changes according to the kind of object being treated S, moisture content, viscosity and tack etc.
For example, in the low situation of the mobility of object being treated S, it is larger than the torque of regulation that torque becomes.Thus, as shown in Figure 4, increase the inclination angle of housing 8, improve the mobility of object being treated S.That is, to promote the mode of advancing of object being treated S to control.
On the other hand, object being treated S is liquid and in the high situation of mobility, torque diminishes, and as shown in Figure 5, reduces the inclination angle of housing 8, slows down thus advancing of object being treated S, and object being treated S is detained.
Then, this object being treated S being dried is discharged from successively from the outlet 11 in the downstream of drying device 1.
Like this, the drying system 2 according to present embodiment, is supplied to drying device 1 continuously by object being treated S, and when can discharge the object being treated S being dried continuously from drying device 1, makes object being treated S dry until moisture content becomes low fully.
In addition, object being treated S is in the situation of liquid (such as waste oil, waste liquid etc.), and control device 7 can be controlled inclination angle to become the mode at the inclination angle of the counter-slope that the downstream of housing 8 uprises.That is, the holdup time makes in situation that necessary object being treated S is dry longways, and as shown in Figure 6, along with trend throughput direction T, the mode uprising with the height of housing 8 is adjusted height adjustment member 18.
According to above-mentioned embodiment, by adjusting height adjustment member 18, change the inclination angle that inside is formed with the housing 8 of object being treated receiving space 15, can control thus the transporting velocity in the housing 8 of object being treated S.That is, the holdup time in the housing 8 of object being treated S can be controlled, and the moisture content of the object being treated S in exit can be adjusted.
In addition, the support 17 of supporting device 6 can make housing 8 be rotated around the axle of the direction along with throughput direction T quadrature, and it is easy that height adjustment is that inclination angle adjustment becomes.
In addition, as height adjustment member 18, adopt air springs 19, thus, can more easily implement the adjustment at the inclination angle of the housing 8 that undertaken by height adjustment member 18.
In addition, at least one party in the torque of the amount of control device 7 based on object being treated S and rotating shaft 12, adjusts the inclination angle of housing 8, thus, can carry out the automatic adjustment with the corresponding inclination angle of proterties of object being treated.That is, can maintain the amount of object being treated S and the torque of rotating shaft 12 for certain.
In addition, the adjustment at the inclination angle by housing 8, maintain the mobility of object being treated S, and can improve the filling rate in the device 1 that keeps dry, dry combustion method disk (heat-conducting area of the disk not exposing contiguously with mud) and dry combustion method housing (heat-conducting area of the housing not exposing contiguously with mud) tail off.Thus, the wasting space in housing 8 and the heat radiation of thermal conductive surface (dry combustion method) reduce, and obtain the raising effect of heat loss little (raising of the thermal efficiency) and drying efficiency.
In addition, by improving sludge-filled rate, drying efficiency and the thermal efficiency improve, and do not need useless heat-conducting area, thus miniaturization that can implement device.That is, the effective area of housing 8 interior unit volumes can be expanded, and the mud contacting efficiency of unit effective area can be improved.In addition, by the miniaturization of device, can realize the reduction of fee of material, machine expense (initial outlay cost).And by the miniaturization of device, area of dissipation diminishes, thereby heat loss reduces, and the thermal efficiency improves, and can cut down consumed energy (operating cost) and maintain administration fee, can cut down life cycle cost thus.
In addition, object being treated S is liquid etc., needs in the situation of more drying times, by making housing 8 become the inclination angle of counter-slope, can also tackle the dry of longer time.That is, prevent that object being treated S is discharged from (with undried state, discharging) via short path (シ ョ mono-ト-パ ス), can make to excellent in efficiency object being treated S dry.
In addition, in the situation of the basic height inequality of supporting station 14 and mounting supporting station 14, also can absorb by the height adjustment of support 17 this inequality.
In addition, the amount of the object being treated S supplying with from feeder 4 changed because of the time, thus in the situation that the change of the amount of the object being treated S in object being treated receiving space 15 also can tackle by adjusting the inclination angle of housing 8.
In addition, supporting device 6 has installing component 23, and installing component 23 is installed on the flange part 8b of housing 8.Thus, the heat of housing 8 is difficult to be passed to air spring 19, can improve the reliability of air spring 19.
In addition, in the above-described embodiment, the torque of the amount based on object being treated S and rotating shaft 12, that is, the result being detected by detection means, adjusts the inclination angle of housing 8.But, the structure that the structure of adjusting the inclination angle of housing 8 also can adopt any one party in the torque of amount based on object being treated S or rotating shaft 12 to adjust.
In addition, by control device 7, automatically adjusted the height of height adjustment member 18, adjusted the inclination angle of housing 8, but the automatic control of control device 7 not necessarily, for example, also can match with the proterties of object being treated S, manually adjust in advance the inclination angle of housing 8, in operation process, manually adjust inclination angle.
In addition, not only adjust the inclination angle of housing 8, can also adjust the quantity delivered of the object being treated S being supplied with by feeder 4 simultaneously.
(the second embodiment)
Below, the second embodiment that present invention will be described in detail with reference to the accompanying.In addition, in the present embodiment, centered by the difference with above-mentioned the first embodiment, describe, about identical part, the description thereof will be omitted.
As shown in Figure 7, the height adjustment member 18B of present embodiment is the air spring 19 that replaces the first embodiment, by a plurality of intervals retention tab being laminated, is that plate 25 forms.
In addition, in the drying system 2B of present embodiment, control device 7, liquid level gauge 24 and torque master 26 that the drying system 2 of the first embodiment has are not set.
Plate 25 is for example foursquare plate-shaped members with specific thickness.Plate 25 is for keeping the parts at the interval of above-below direction.A plurality of plates 25 are used hydraulic jack for example to lift the bracket 20 of support 17, can dismantle thus.That is, can regulate by the quantity of adjustable plate 25 height of support 17.
In addition, also can not adopt tabular plate 25, and adopt the piece of rectangular shape to adjust height.
According to present embodiment, height adjustment member 18B consists of a plurality of plates 25, thus, compares with the first embodiment that consists of height adjustment member 18 air spring 19, can further simplify the structure of height adjustment member 18B.
In addition, the mode support housing 8 of support 17 rotating around pin 21, thus, bracket 20 bottom surface is always level, thereby can be by the simple dull and stereotyped plate 25 that forms.
In addition, the invention is not restricted to aforesaid embodiment.Without departing from the spirit and scope of the invention, can carry out interpolation, omission, replacing and other the change of structure.
For example, in aforesaid embodiment, adopted the structure that combines 2 rotating shafts 12, but be not limited to this, also the structure of 3 above rotating shafts of combination can be configured in housing 8.
The present invention is not limited by aforesaid explanation, only by claims, is limited.
Claims (4)
1. an indirect heating type drying device heats and is dried when the throughput direction of regulation is carried object being treated, it is characterized in that having:
Be supplied to described object being treated withering main part;
Be arranged on the supporting device of both sides of the described throughput direction of described main part,
Described supporting device has: support, utilizes top to support described main part in the mode that can be rotated around the axle of the direction along with described throughput direction quadrature; Height adjustment member, is arranged between described support and basal plane, for adjusting the height of described support.
2. indirect heating type drying device as claimed in claim 1, is characterized in that,
Described height adjustment member has air spring.
3. indirect heating type drying device as claimed in claim 1, is characterized in that,
Described height adjustment member has the interval retention tab being laminated that can dismantle.
4. indirect heating type drying device as claimed in claim 1 or 2, is characterized in that also having:
Detection means, detects at least one party in the flow regime of amount in the described main part of described object being treated and described object being treated;
Control member, the result based on being detected by described detection means is controlled described height adjustment member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012144136A JP5675715B2 (en) | 2012-06-27 | 2012-06-27 | Indirect heating dryer |
| JP2012-144136 | 2012-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103512337A true CN103512337A (en) | 2014-01-15 |
| CN103512337B CN103512337B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210478617.5A Active CN103512337B (en) | 2012-06-27 | 2012-11-22 | Indirect heating type drying device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5675715B2 (en) |
| CN (1) | CN103512337B (en) |
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| CN110052487A (en) * | 2019-03-22 | 2019-07-26 | 中科京投环境科技江苏有限公司 | A kind of mercury contaminated soil prosthetic appliance |
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| JP7304777B2 (en) * | 2019-09-05 | 2023-07-07 | 倉敷紡績株式会社 | Litter regeneration device and litter regeneration method |
| CN112013667A (en) * | 2020-09-03 | 2020-12-01 | 漳州市农业科学研究所 | Bio-organic fertilizer apparatus for producing of prevention and control honey shaddock disease |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482500A (en) * | 2016-09-27 | 2017-03-08 | 东莞市联洲知识产权运营管理有限公司 | One kind adjustable miniature thin-film baking oven up and down |
| CN110052487A (en) * | 2019-03-22 | 2019-07-26 | 中科京投环境科技江苏有限公司 | A kind of mercury contaminated soil prosthetic appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014006038A (en) | 2014-01-16 |
| JP5675715B2 (en) | 2015-02-25 |
| CN103512337B (en) | 2015-09-09 |
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