CN103512337B - Indirect heating type drying device - Google Patents
Indirect heating type drying device Download PDFInfo
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- CN103512337B CN103512337B CN201210478617.5A CN201210478617A CN103512337B CN 103512337 B CN103512337 B CN 103512337B CN 201210478617 A CN201210478617 A CN 201210478617A CN 103512337 B CN103512337 B CN 103512337B
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Abstract
The present invention is a kind of indirect heating type drying device, and it carries out heating and dry indirect heating type drying device while the throughput direction (T) specified carries treated object, has: be supplied to treated object and withering main part; Be arranged on the supporting device of the throughput direction both sides of main part.Supporting device has: support, utilizes top can carry out the mode support body portion rotated around the axle along the direction orthogonal with throughput direction; Height Adjustment component, is arranged between support and basal plane, for adjusting the height of support.
Description
Technical field
The present invention relates to and the treated object of discarded object etc. is carried out heating and dry indirect heating type drying device while the throughput direction conveying specified.
Background technology
Because the treated object of various biological substance and discarded object (mud) etc. contains a large amount of moisture, so there is the situation using drying device to implement dry process (by heating the drying process carried out).As drying device in the past, the such as drying device of known a kind of indirect heating type, has: the housing of cross section U-shaped; 2 quill shafts mutually reversely rotated in the inside of this housing; Be arranged in the agitator along the hollow on the periphery of this quill shaft.
In this indirect heating type drying device, mud, from the mud supply port of throughput direction upstream extremity being arranged on housing, is fed into the treated object receiving space be arranged between housing and quill shaft.Then, mud is stirred by the agitator (disk) rotated, according to the stirring that the Action of Gravity Field produced because housing tilts and agitator rotate and carry out, dried while being transported to downstream gradually.
During this period, treated object is heated by the heat exchange medium of the steam, heat kerosene, hot water etc. that are imported into quill shaft, the hollow stirrer wing and enclosure interior, drying, and is discharged to machine from the sludge outlet being positioned at housing rear end.
But in indirect heating type drying device in the past, the angle of inclination certain (fixing) of housing, exists and causes the drying of mud to deal with the problem worked as improperly because of the proterties (kind, moisture content, viscosity, tack etc.) of treated object.Such as, the mobility of mud is high, when the filling rate of the mud in indirect heating type drying device is low, there is the dry combustion method disk (heat-conducting area of the disk do not exposed contiguously with mud) in more drying device and dry combustion method housing (heat-conducting area of the housing do not exposed contiguously with mud).In this situation, produce the heat radiation (dry combustion method) of the space waste in housing, thermal conductive surface, heat loss is large, becomes the reason that drying efficiency reduces.
On the other hand, when the mobility of mud is low, 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) is different.But, because supporting station or height of foundation are fixed, so after the installation of drying device main body, drying device main body inclination angle becomes certain.Thus, can not adjust and corresponding to the proterties of dried material suitable send mud speed (holdup time).
Japanese Laid-Open Patent Publication 62-019326 publication discloses the structure that can adjust arbitrarily the inclination angle of drying device main body.This structure is formed by with lower component: screwed hole, is arranged on the supporting station of supporting drying device main body; Screw, screws togather with this screwed hole, and abuts with the basal plane set by supporting station.
In addition, the structure at the open inclination angle by multiple plate adjustment drying device main body of Japan's patent No. 4322896 publication.
But, although the drying device that Japanese Laid-Open Patent Publication 62-019326 publication is recorded at random can adjust the inclination angle of drying device main body, but because angle of inclination adjuster is vertical relative to installation surface (horizontal plane), so there is the limit in the adjustment at angle of inclination.
In addition, the drying device that Japan Patent No. 4322896 publication is recorded is the structure in the gap of plate being inserted wedge shape, thus 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 easily can adjust the indirect heating type drying device at inclination angle.
According to the 1st aspect of the present invention, indirect heating type drying device carries out heating and dry indirect heating type drying device while the throughput direction conveying treated object specified, it has: be supplied to described treated object and 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 can carrying out rotating around the axle along the direction orthogonal with described throughput direction; Height Adjustment component, is arranged between described support and basal plane, for adjusting the height of described support.
According to said structure, changed the inclination angle of main part by adjustment Height Adjustment component, the transporting velocity in the main part of treated object can be controlled.That is, the holdup time in the main part of treated object can be controlled.
In addition, the support of supporting device is can carry out the mode support body portion rotated around the axle along the direction orthogonal with throughput direction, thus, employ the Height Adjustment of Height Adjustment component, namely the adjustment at inclination angle becomes easy.In addition, the structure of Height Adjustment component can be simplified.
According to the 2nd aspect of the present invention, described Height Adjustment component also has air spring.According to said structure, the adjustment of Height Adjustment component to the inclination angle of main part more easily can be implemented.
According to the 3rd aspect of the present invention, described Height Adjustment component also can have the interval retention tab be laminated that can dismantle.
According to said structure, the structure of Height Adjustment component can be simplified further.
According to the 4th aspect 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 treated object and described treated object; Control member, controls described Height Adjustment component based on the result detected by described detection means.
According to said structure, correspondingly can automatically adjust the inclination angle of main part with the proterties of treated object.
According to indirect heating type drying device of the present invention, changed the inclination angle of main part by adjustment Height Adjustment component, the transporting velocity in the main part of treated object can be controlled.That is, the holdup time in the main part of treated object can be controlled.
In addition, by the support of supporting device can carry out the mode support body portion rotated around the axle along the direction orthogonal with throughput direction, employ the Height Adjustment of Height Adjustment component, namely the adjustment at inclination angle becomes easy.In addition, the structure of Height Adjustment component can be simplified.
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 sectional view of the A-A line along Fig. 1.
Fig. 3 is the Sketch figure of the supporting device of the indirect heating type drying device of the first embodiment of the present invention.
Fig. 4 is the synoptic diagram of the effect for illustration of the first embodiment of the present invention.
Fig. 5 is the synoptic diagram of the effect for illustration of the first embodiment of the present invention.
Fig. 6 is the synoptic diagram of the effect for illustration of the first embodiment of the present invention.
Fig. 7 is the Sketch figure of the indirect heating type drying device of the second embodiment of the present invention.
Detailed description of the invention
(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, present embodiment drying system 2 has feeder 4 as main composition key element, indirect heating type below drying device 1(is only called drying device), evaporimeter 5, supporting device 6 and control device 7(control member).Feeder 4 has the hopper 3 of collecting treated object S.Indirect heating type drying device 1 heats and dry treated object S.Steam is supplied to drying device 1 by evaporimeter 5.Supporting device 6 is arranged on the both sides of the throughput direction of the length direction along drying device 1.Control device 7 controls the height of supporting device 6.
In addition, indirect heating type drying device 1 is supported on the supporting station 14 suitable with basal plane via supporting device 6.
The drying system 2 of present embodiment is the system by regulating the height of supporting device 6 to change 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 is arranged in the mode of the outer surface of the bottom side of covering shell 8, and the heating media of steam, heat kerosene, hot water etc. are circulated and heated shell 8(and then heating dried object).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) reclaiming treated object S.That is, treated object S is put into from supply port 10, and discharges from outlet 11.
Supply port 10 is arranged on the upper surface of housing 8 and swims the end of side in the conveying direction, and is communicated with the inside of housing 8.In addition, outlet 11 is arranged on the lower surface of housing 8 and in the end of conveyance direction downstream side, and is communicated with the inside of housing 8.
Below, treated object S is called throughput direction T from supply port 10 towards the direction of outlet 11.Housing 8 has the flange part 8b at the cylindrical portion 8a extended along throughput direction T and the throughput direction T both ends being arranged on cylindrical portion 8a.
In addition, after the steam of evaporimeter 5 supply is directed to the formation rotating shaft 12 of a pair hollow of transfer member 9 and the inside of the housing 8 of hollow, then circulate to evaporimeter 5.And, rotating shaft 12 is provided with multiple agitator 13(agitating plate).
In addition, although not shown, be provided with the gas discharge port of the dry gas discharge drying by treated object S produced on the top of housing 8.
In addition, in embodiments of the present invention, " treated object S " refers to various biological substance and the discarded object of the moisture comprising ormal weight.Sewage sludge, plant drainage mud, castoff, house refuse, people's excreta mud, animal waste, plant expressed juice dregs etc. can be enumerated as discarded object.
As shown in Figure 2, the transfer member 9 of drying device 1 has 2 rotating shafts 12a, 12b.Rotating shaft 12a, 12b with by the rotating driving device 27(of motor etc. with reference to Fig. 1) mode that mutually reversely rotates formed.Rotating shaft 12a, 12b are the inside in bottom along the housing 8 with the cross sectional shape of U-shaped of rotating shaft 12, laterally spaced at intervals and adjacent configuration in parallel to each other.
The inner circumferential end of agitator 13 is connected on rotating shaft 12 and radial direction to the axes O center of rotating shaft 12 is outstanding, and the mode that agitator 13 becomes about 100 ~ 140 ° with central angle θ 1 circumferentially and be formed as roughly fan-shaped (first quarter moon shape).
In addition, the space between rotating shaft 12a, 12b and housing 8 constitutes the treated object receiving space 15 importing treated object S.
As shown in Figure 1, supporting device 6 is arranged on the end of downstream side of the upstream-side-end of the throughput direction T of housing 8 and the throughput direction T of housing 8 in the mode of support housing 8 from below.As shown in Figure 3, supporting device 6 has support 17 and Height Adjustment component 18.Support 17 is installed on the flange part 8b of housing 8.Height Adjustment component 18 is arranged between support 17 and supporting station 14, for adjusting the height of support 17.
Height Adjustment component 18 is configured to change the upper surface 18a of Height Adjustment component 18 and the distance 15 of lower surface 18b.Height Adjustment component 18 is made up of such as telescopic spring 19.Height Adjustment component 18(telescopic spring 19) be configured to its height can be adjusted by automatic height control valve (not shown).
Be not limited to telescopic spring as Height Adjustment component 18, also can adopt such as Diaphragm air spring, motor-driven jack, hydraulic jack, electric cylinder and hydraulic cylinder etc.
Support 17 has bracket 20, pin 21, rotary part 22 and installing component 23.Bracket 20 is configured on the upper surface 18a of Height Adjustment component 18.Pin 21 is along the length direction with throughput direction T(housing 8) orthogonal direction is configured in the top of bracket 20.Rotary part 22 is installed in the two ends of pin 21.Installing component 23 connects the flange part 8b of rotary part 22 and housing 8.
That is, support 17 utilizes its top can carry out the mode support housing 8 rotated around the axle along the direction orthogonal with throughput direction T.
Bracket 20 is formed as general triangular when observing from the side.The bottom surface of bracket 20 is positioned on Height Adjustment component 18 in the mode that the upper surface 18a with Height Adjustment component 18 is consistent.
Pin 21 can be installed in the top of bracket 20 rotatably.
Installing component 23 is the parts of the tabular extended in the horizontal direction from the bottom of the flange part 8b of housing 8.Rotary part 22 is arranged on the lower surface of installing component 23.
In an initial condition, housing 8 is formed with the inclination angle of the regulation along with trend throughput direction T, height step-down supporting device 6.The inclination angle of housing 8 and the proterties of treated object S etc. correspondingly controlled device 7 control.
In the inside of housing 8, namely at the length direction two ends of housing 8, be provided with the liquid level gauge 24(detection means of the amount for measuring the treated object S in housing 8).Specifically, liquid level gauge 24 is the sensors of the contact extended downward above the inner peripheral surface of housing 8.Liquid level gauge 24 can measure the height of the treated object S in the both ends of housing 8.
As shown in Figure 1, liquid level gauge 24 is connected with control device 7.Control device 7, based on the height in housing 8 both ends of the treated object S measured by liquid level gauge 24, estimates the amount of treated object S.
In addition, liquid level gauge 24 does not need the two ends being arranged on housing 8.Liquid level gauge 24 also from the height of the treated object S of one end of the angle of inclination of housing 8 and housing 8, can estimate the amount of treated object S.In addition, not only can use the sensor of contact as liquid level gauge 24, can also use and make use of infrared ray or hyperacoustic contactless sensor.
In addition, the component as the amount measuring treated object S is not limited to above-mentioned liquid level gauge 24.As the component of the amount of measurement treated object S, weighing scale can also be loaded Height Adjustment component 18, be measured by the weight of presumption treated object S.
In addition, rotating shaft 12 is provided with torque master 26, the torque be applied on rotating shaft 12 can be measured.Torque master 26 is connected with control device 7, can measure the load be applied on rotating shaft 12, i.e. the flow regime of treated object S.
Below, be described about the action of drying process of treated object S of drying system 2 and action effect thereof that employ present embodiment.
First, the heating of transfer member 9 and housing 8 is carried out.Specifically, the steam (heat kerosene, hot water etc.) occurred 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 supply treated object S to the inside of drying device 1.Specifically, feeder 4 works, and the treated object S of moisture content 60 ~ 100 about the quality % sent from feeder 4 is admitted to the inside of drying device 1 via supply port 10.
In addition, along with the supply of this treated object S starts, the conveying of transfer member 9 couples of treated object S is begun through.Specifically, rotating shaft 12 is driven in rotation device 27 rotary actuation, and agitator 13 is along throughput direction T from upstream side to downstream conveying treated object S.In addition, treated object S is also transferred towards throughput direction T by the gravity brought by the inclination of housing 8.
And, when beginning through the conveying of transfer member 9 couples of treated object S, treated object S with contacted with housing 8 by the transfer member 9 heated as described above, treated object S is heated thus.Thus, the moisture evaporation that treated object S contains, along with treated object S is transported to downstream along throughput direction T, the moisture content of treated object S reduces.And when treated object S arrives the most downstream end of drying device 1, according to the heat of the unit interval provided by evaporimeter 5 or time etc. of being carried in drying device 1 by transfer member 9, this water-cut variation is to about 0 ~ 60 quality %.
Control device 7, based on the amount of the treated object S measured by liquid level gauge 24 and the direct torque Height Adjustment component 18 of rotating shaft 12 that detected by torque master 26, adjusts the inclination angle of housing 8 thus automatically.
Specifically, become the mode of the amount of regulation with the amount being housed in the treated object S in the treated object receiving space in housing 8, the inclination angle of adjustment housing 8.The inclination angle of housing 8 can be controlled by the height adjusting 2 Height Adjustment components 18.
Such as, when the amount of treated object S is more than the amount of the regulation determined according to each key element of indirect heating type drying device 1, as shown in Figure 4, increase the inclination angle of housing 8, accelerate the translational speed of treated object S, carry out the control of the amount making the amount of treated object S close to regulation thus.That is, inclination angle is increased in the mode shortening the holdup time in the housing 8 of treated object S.
On the other hand, when the amount of treated object S is fewer than the amount of regulation, as shown in Figure 5, reduce the inclination angle (close to level) of housing 8, slow down the translational speed of treated object S, carry out the control of the amount making the amount of treated object S close to regulation thus.
In addition, control device 7 carries out the automatic adjustment at the inclination angle of housing 8 based on the torque of the rotating shaft 12 detected by torque master 26.The torque of rotating shaft 12 is according to the kind of treated object S, moisture content, viscosity and tack etc. and change.
Such as, when the mobility of treated object S is low, torque becomes larger than the torque of regulation.Thus, as shown in Figure 4, increase the inclination angle of housing 8, improve the mobility of treated object S.That is, to promote that the mode of advancing of treated object S controls.
On the other hand, treated object S be liquid and mobility high when, torque diminishes, and as shown in Figure 5, reduces the inclination angle of housing 8, to slow down advancing of treated object S thus, treated object S is detained.
Then, this dried treated object S is discharged successively from the outlet 11 in the downstream of drying device 1.
Like this, drying system 2 according to the present embodiment, is supplied to drying device 1 continuously by treated object S, and while can discharging dried treated object S continuously from drying device 1, makes treated object S dry until moisture content becomes low fully.
In addition, when treated object S is liquid (such as waste oil, waste liquid etc.), the mode at the inclination angle of the counter-slope that control device 7 can uprise with the downstream becoming housing 8 controls inclination angle.That is, when the holdup time makes necessary treated object S drying longly, as shown in Figure 6, along with trend throughput direction T, the mode uprised with the height of housing 8 adjusts Height Adjustment component 18.
According to above-mentioned embodiment, change by adjustment Height Adjustment component 18 inclination angle that inside is formed with the housing 8 of treated object receiving space 15, the transporting velocity in the housing 8 of treated object S can be controlled thus.That is, the holdup time in the housing 8 of treated object S can be controlled, and the moisture content of the treated object S in exit can be adjusted.
In addition, the support 17 of supporting device 6 can make housing 8 rotate around the axle along the direction orthogonal with throughput direction T, and Height Adjustment and inclination angle adjustment become easy.
In addition, adopt air spring 19 as Height Adjustment component 18, thereby, it is possible to more easily implement the adjustment at the inclination angle of the housing 8 undertaken by Height Adjustment component 18.
In addition, control device 7 is based at least one party in the amount of treated object S and the torque of rotating shaft 12, and the inclination angle of adjustment housing 8, thereby, it is possible to carry out the automatic adjustment at the inclination angle corresponding to the proterties of treated object.That is, the torque of the amount and rotating shaft 12 that can maintain treated object S is certain.
In addition, by the adjustment at the inclination angle of housing 8, maintain the mobility of treated object S, and the filling rate kept dry in device 1 can be improved, dry combustion method disk (heat-conducting area of the disk do not exposed contiguously with mud) and dry combustion method housing (heat-conducting area of the housing do not exposed contiguously with mud) tail off.Thus, the heat radiation (dry combustion method) of the wasting space in housing 8 and thermal conductive surface reduces, and obtains 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 can the miniaturization of implement device.That is, the effective area of unit volume in housing 8 can be expanded, and the mud contacting efficiency of unit effective area can be improved.In addition, by the miniaturization of device, the reduction of fee of material, machine expense (initial outlay cost) can be realized.And by the miniaturization of device, area of dissipation diminishes, thus 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, treated object S is liquid etc., when needing more drying times, by the inclination angle making housing 8 become counter-slope, can also tackle the drying of longer time.That is, prevent treated object S to be discharged (discharging with undried state) via short path (シ ョ mono-ト-パ ス), can make to excellent in efficiency treated object S dry.
In addition, when the height inequality on the basis of supporting station 14 and mounting supporting station 14, also this inequality can be absorbed by the Height Adjustment of support 17.
In addition, change because of the time from the amount of the treated object S of feeder 4 supply, the amount of the treated object S thus in treated object receiving space 15 changes, also can be tackled by the inclination angle adjusting 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, based on the amount of treated object S and the torque of rotating shaft 12, that is, the result detected by detection means, adjusts the inclination angle of housing 8.But the structure at inclination angle of adjustment housing 8 also can adopt carries out based on any one party in the amount of treated object S or the torque of rotating shaft 12 structure that adjusts.
In addition, automatically the height of Height Adjustment component 18 is have adjusted by control device 7, namely have adjusted the inclination angle of housing 8, but the automatic control of control device 7 not necessarily, such as, also can match with the proterties of treated object S, manually adjust the inclination angle of housing 8 in advance, in operation process, manually adjust inclination angle.
In addition, not only adjust the inclination angle of housing 8, the quantity delivered of the treated object S supplied by feeder 4 can also be adjusted 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, by with the difference of above-mentioned first embodiment centered by be described, about identical part, the description thereof will be omitted.
As shown in Figure 7, the Height Adjustment component 18B of present embodiment is the air spring 19 of replacement first embodiment, is made up of the multiple intervals retention tab be laminated and plate 25.
In addition, in the drying system 2B of present embodiment, the control device 7 that the drying system 2 not arranging the first embodiment has, liquid level gauge 24 and torque master 26.
Plate 25 is the such as foursquare plate-shaped members with specific thickness.Plate 25 is the parts at the interval for keeping above-below direction.Multiple plate 25 uses such as hydraulic jack to lift the bracket 20 of support 17, can dismantle thus.That is, the height of support 17 can be regulated by the quantity of adjustable plate 25.
In addition, also can not adopt the plate 25 of tabular, and adopt the block of rectangular shape to adjust height.
According to the present embodiment, Height Adjustment component 18B is made up of multiple plate 25, thus, compared with the first embodiment forming Height Adjustment component 18, can simplify the structure of Height Adjustment component 18B further with by air spring 19.
In addition, support 17 is with the mode support housing 8 that can rotate around pin 21, and thus, the bottom surface of bracket 20 is always level, thus can by simple dull and stereotyped formation plate 25.
In addition, the invention is not restricted to aforesaid embodiment.Without departing from the spirit and scope of the invention, the interpolation of structure, omission, replacing and other change can be carried out.
Such as, in aforesaid embodiment, have employed the structure of combination 2 rotating shafts 12, but be not limited thereto, also can by the structural allocation of the rotating shaft of combination more than 3 in housing 8.
The present invention is not limited by aforesaid explanation, is only limited by claims.
Claims (3)
1. an indirect heating type drying device, carries out heating and drying, it is characterized in that having while the throughput direction conveying treated object specified:
Be supplied to described treated object and withering main part;
Be arranged on the supporting device of the 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 can carrying out rotating around the axle along the direction orthogonal with described throughput direction; Height Adjustment component, is arranged between described support and basal plane, for adjusting the height of described support,
Described indirect heating type drying device also has:
Detection means, the torque detecting the amount in the described main part of described treated object and be applied on the rotating shaft of described main part;
Control member, controls described Height Adjustment component based on the result detected by described detection means.
2. indirect heating type drying device as claimed in claim 1, is characterized in that,
Described Height Adjustment component has air spring.
3. indirect heating type drying device as claimed in claim 1, is characterized in that,
Described Height Adjustment component has the interval retention tab be laminated that can dismantle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-144136 | 2012-06-27 | ||
| JP2012144136A JP5675715B2 (en) | 2012-06-27 | 2012-06-27 | Indirect heating dryer |
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| Publication Number | Publication Date |
|---|---|
| CN103512337A CN103512337A (en) | 2014-01-15 |
| CN103512337B true 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 |
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| JP (1) | JP5675715B2 (en) |
| CN (1) | CN103512337B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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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| JPH1074U (en) * | 1997-08-27 | 1998-03-17 | 史郎 藤田 | Continuous moisture removal equipment for highly hydrated mud |
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| CN1045962A (en) * | 1989-03-02 | 1990-10-10 | 格哈特·施米特 | Device for dehydration of sewage sludge |
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| Publication number | Publication date |
|---|---|
| CN103512337A (en) | 2014-01-15 |
| JP5675715B2 (en) | 2015-02-25 |
| JP2014006038A (en) | 2014-01-16 |
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