CN203653406U - Special roller dryer for sludge - Google Patents
Special roller dryer for sludge Download PDFInfo
- Publication number
- CN203653406U CN203653406U CN201420004698.XU CN201420004698U CN203653406U CN 203653406 U CN203653406 U CN 203653406U CN 201420004698 U CN201420004698 U CN 201420004698U CN 203653406 U CN203653406 U CN 203653406U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- revolving
- roller
- drying machine
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 17
- 239000007921 spray Substances 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 14
- 239000002912 waste gas Substances 0.000 claims description 14
- 238000001556 precipitation Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000002341 toxic gas Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 2
- 239000012535 impurity Substances 0.000 description 5
- 239000008187 granular material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
Images
Landscapes
- Drying Of Solid Materials (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a special roller dryer for sludge. The special roller dryer for sludge comprises a rotary roller, wherein the feed inlet and the discharge port of the rotary roller are respectively provided with a roller head rotary seat and a roller tail rotary seat, a driving mechanism which supports and drives the rotary roller to rotate is arranged in the middle of the rotary roller, an exhaust spraying washing tower is arranged at the air outlet of the roller tail rotary seat, the exhaust spraying washing tower sequentially comprises a settling water tank, a fill cavity and a spray cavity from bottom to top, a drain outlet is formed at the bottom of the settling water tank, a pipeline communicated with the air outlet of the roller tail rotary seat is arranged on the side part of the settling water tank, and the pipeline is provided with a cyclone separator; a standard tail gas discharge port is formed above the spray cavity, and a spray pipe is arranged in the upper region of the spray cavity. The roller dryer provided by the utility model is in a special optimal design for drying sludge, and can effectively treat tail gases generated in the drying process and reduce emission of harmful and toxic gases so as to quickly dry sludge and continuously dry sludge, so that the production efficiency is high.
Description
Technical field
The utility model relates to drying plant technical field, especially a kind of mud special cylinder drying machine.
Background technology
Rotary roller dryer is that main body slightly tilts and the cylinder of adjustable rotating speed within the specific limits, wet stock is sent in cylinder by charging machine, under the uniform flight device of inner core stirs, be uniformly distributed and disperse and fully contact with the hot blast (and stream or adverse current) by cylinder, accelerate dry heat transfer, mass transfer.Thereby reach dry object.Be applicable to the dry of the industry macrobeads such as chemical industry, miner, metallurgy, large gravitational material.As ore, blast-furnace slag, coal, metal-powder, phosphate fertilizer sulphur ammonium, mud, coal slime etc.
Municipal sludge is the sedimentable matter producing in municipal sewage plant's sewage disposal scavenging process, is a kind of extremely complicated heterogeneous body being made up of organic relic, bacterium thalline, inorganic particle, colloid etc.In mud, contain a large amount of pathogenic bacterias, parasite, pathogenic microorganism, and heavy metal and hazardous and noxious substances and a large amount of water such as arsenic, copper, chromium, mercury.In mud, also contain a large amount of N, P, K, Ca and organism, and N, P are taking organic as main, also contain the necessary trace element of many plants in mud, can slowly discharge, and have long-lasting.Therefore municipal sludge is a kind of solid waste that contains objectionable impurities.Contain hazardous substance after few drying sludge and can be used as fertilizer, after the many drying sludge of objectionable impurities, can mix and mix burning with the raw coal of heat power station, removal objectionable impurities.Further, have a large amount of moistures and discharge in drying sludge process, contain a large amount of harmful, toxic gas in moisture, harmful, toxic gas can not directly discharge, and can cause detrimentally affect to environment, and can affect the healthy of operator.
Because the viscosity of wet mud is larger, and easily lump, existing rotary roller dryer can not well be applicable to the dry of mud, and mud caking is serious, results in blockage, and affects serialization and produces, and efficiency is low.
Summary of the invention
The technical problems to be solved in the utility model is: overcome a difficult problem for drying sludge in prior art, a kind of mud special cylinder drying machine is provided, remove the toxic ingredient in tail gas, protection of the environment when can realizing fast mud dry.
The utility model solves the technical scheme that its technical problem adopts: a kind of mud special cylinder drying machine, comprise revolving cylinder, the feed end of revolving cylinder and discharge end are respectively equipped with a cylinder revolving bed and cylinder tail revolving bed, a described cylinder revolving bed is provided with blast inlet and opening for feed, described cylinder tail revolving bed is provided with air outlet and discharge port, the middle part of revolving cylinder is provided with the driving mechanism that supports and drive revolving cylinder to rotate, the air outlet place of described cylinder tail revolving bed is provided with waste gas spray scrubber, the inside of described waste gas spray scrubber comprises precipitation water tank from bottom to up successively, packing cavity and spray chamber, the bottom of described precipitation water tank is provided with sewage draining exit, the sidepiece of precipitation water tank is provided with the pipeline of the air outlet that is communicated with cylinder tail revolving bed, described pipeline is provided with cyclopneumatic separator, the top in described spray chamber is provided with exhaust port up to standard, in the upper area in described spray chamber, is provided with shower.
Further, for ease of observing the reaction in spray chamber, on described waste gas spray scrubber, corresponding spray cavity region offers vision slit, and described vision slit is provided with transparent glass.
As preferably, the filler in described packing cavity is baton round.
Further, for realizing recycling of washing water, between described precipitation water tank and shower, by pipeline connection, described pipeline is provided with water pump.
Further, between described spray chamber and exhaust port up to standard, be provided with the filtration silk screen defoaming.
Concrete, in described revolving cylinder, be followed successively by feed zone, particle section, turn over the section of copying and discharging section from feed end to discharge end, described feed zone is arranged with the spiral plate for spiral pusher along revolving cylinder inwall, described particle section is arranged with the screen frame plate for fragmentation caking mud along revolving cylinder inwall, the described section of copying of turning over is arranged with the scraper plate that sludge turning is copied along revolving cylinder inwall, described discharging section is light cylinder.
Concrete, the screen frame plate of described particle section comprises multiple sieve bars that be arranged in parallel.Screen frame plate mainly by sludge crushing, break up.
Further, on the described scraper plate that turns over the section of copying, be also provided with cable body.Between cable body energy and mud, rub, further reach and smash the also object of refinement mud granule.
As preferably, described cable body is chain.Chain can be dismantled easily, also can determine as required quantity and the position of installing.
As preferably, described cable body is arranged on and turns over the section of copying near on a part of scraper plate of particle section.
The beneficial effects of the utility model are, mud special cylinder drying machine of the present utility model is simple in structure, be easy to manufacture, special is drying sludge optimization design, can effectively process the tail gas producing in drying process, reduces discharge harmful, toxic gas, realize the rapid drying of mud, avoid caking, mud granule is less, to meet the service requirements of next procedure, the successive drying of having realized mud, production efficiency is high.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the preferred embodiment of mud special cylinder drying machine of the present utility model;
Fig. 2 is waste gas spray scrubber structural representation of the present utility model;
Fig. 3 is the structural representation of the preferred embodiment of revolving cylinder of the present utility model.
In figure: 1. revolving cylinder, 11. feed zones, 111. spiral plates, 12. particle sections, 121. screen frame plates, 13. turn over the section of copying, 131. scraper plates, 132. cable bodies, 14. discharging sections, a 2. revolving bed, 3. a tail revolving bed, 4. waste gas spray scrubber, 41. precipitation water tanks, 411. sewage draining exits, 412. cyclopneumatic separators, 413. water pumps, 42. packing cavities, 43. spray chambeies, 431. exhaust ports up to standard, 432. showers, 433. vision slits, 434. filter silk screen.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Fig. 1 Fig. 2 Fig. 3, a kind of mud special cylinder drying machine of the present utility model, comprise revolving cylinder 1, the feed end of revolving cylinder 1 and discharge end are respectively equipped with a cylinder revolving bed 2 and cylinder tail revolving bed 3, a cylinder revolving bed 2 is provided with blast inlet and opening for feed, cylinder tail revolving bed 3 is provided with air outlet and discharge port, and the middle part of revolving cylinder 1 is provided with the driving mechanism that supports and drive revolving cylinder 1 to rotate
The air outlet place of described cylinder tail revolving bed 3 is provided with waste gas spray scrubber 4, the inside of described waste gas spray scrubber 4 comprises precipitation water tank 41, packing cavity 42 and spray chamber 43 from bottom to up successively, the bottom of described precipitation water tank 41 is provided with sewage draining exit 411, the sidepiece of precipitation water tank 41 is provided with the pipeline of the air outlet that is communicated with cylinder tail revolving bed 3, and described pipeline is provided with cyclopneumatic separator 412; The top in described spray chamber 43 is provided with exhaust port 431 up to standard, in the upper area in described spray chamber 43, is provided with shower 432.
Further, for ease of observing the reaction in spray chamber 43, on described waste gas spray scrubber 4, corresponding spray 43 regions, chamber offer vision slit 433, and described vision slit 433 is provided with transparent glass.
As preferably, the filler in described packing cavity 42 is baton round.
Further, for realizing recycling of washing water, between described precipitation water tank 41 and shower 432, by pipeline connection, described pipeline is provided with water pump 413.
Further, between described spray chamber 43 and exhaust port up to standard 431, be provided with the filtration silk screen 434 defoaming.
Concrete, in revolving cylinder 1, be followed successively by feed zone 11, particle section 12, turn over the section of copying 13 and discharging section 14 from feed end to discharge end, feed zone 11 is arranged with the spiral plate 111 for spiral pusher along revolving cylinder 1 inwall, particle section 12 is arranged with the screen frame plate 121 for fragmentation caking mud along revolving cylinder 1 inwall, turn over the section of copying 13 and be arranged with the scraper plate 131 that sludge turning is copied along revolving cylinder 1 inwall, discharging section 14 is light cylinder.
Concrete, the screen frame plate 121 of particle section 12 comprises multiple sieve bars that be arranged in parallel.
Further, turn on the scraper plate 131 of the section of copying 13 and be also provided with cable body 132.Between cable body 132 energy and mud, rub, further reach and smash the also object of refinement mud granule.As preferably, cable body 132 is chain.Chain can be dismantled easily, also can determine as required quantity and the position of installing.As preferably, cable body 132 is arranged on and turns on a part of scraper plate 131 of the section of copying 13 near particle section 12.
Introduce the utility model below in conjunction with concrete use:
Opening drive unit rotates revolving cylinder 1, open air inlet device and blast warm air in revolving cylinder 1, opening for feed by wet mud from a cylinder revolving bed 2 adds in revolving cylinder 1, wet mud advances to discharge end under spiral plate 111 effects of feed zone 11, wet mud bottom section in revolving cylinder 1 all the time under action of gravity, the wet mud frustillatum that is broken under the shearing action of the screen frame plate 121 of particle section 12, enter and turn over after the section of copying 13, wet mud seethes under the effect of scraper plate 131, moisture is discharged with warm air, reach drying purpose, mud granule is further refinement under the effect of cable body 132, mud after final drying is discharged by the discharge port of cylinder tail revolving bed 3, can realize serialization produces.The rotating speed of revolving cylinder 1 and the input speed of wet mud are set according to practical situation.If contain objectionable impurities in mud, after volatilization, can cause atmospheric pollution, the waste gas of discharge need be carried out to harmless treatment.
Adopt waste gas spray scrubber 4 of the present utility model the objectionable impurities of the overwhelming majority in waste gas can be recycled, reduce the discharge of toxic gas.
Taking above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this utility model technological thought, carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (10)
1. a mud special cylinder drying machine, comprise revolving cylinder, the feed end of revolving cylinder and discharge end are respectively equipped with a cylinder revolving bed and cylinder tail revolving bed, a described cylinder revolving bed is provided with blast inlet and opening for feed, described cylinder tail revolving bed is provided with air outlet and discharge port, the middle part of revolving cylinder is provided with the driving mechanism that supports and drive revolving cylinder to rotate, it is characterized in that: the air outlet place of described cylinder tail revolving bed is provided with waste gas spray scrubber, the inside of described waste gas spray scrubber comprises precipitation water tank, packing cavity and spray chamber from bottom to up successively
The bottom of described precipitation water tank is provided with sewage draining exit, and the sidepiece of precipitation water tank is provided with the pipeline of the air outlet that is communicated with cylinder tail revolving bed, and described pipeline is provided with cyclopneumatic separator;
The top in described spray chamber is provided with exhaust port up to standard, in the upper area in described spray chamber, is provided with shower.
2. mud special cylinder drying machine as claimed in claim 1, is characterized in that: on described waste gas spray scrubber, corresponding spray cavity region offers vision slit, and described vision slit is provided with transparent glass.
3. mud special cylinder drying machine as claimed in claim 1, is characterized in that: the filler in described packing cavity is baton round.
4. mud special cylinder drying machine as claimed in claim 1, is characterized in that: between described precipitation water tank and shower, by pipeline connection, described pipeline is provided with water pump.
5. mud special cylinder drying machine as claimed in claim 1, is characterized in that: between described spray chamber and exhaust port up to standard, be provided with the filtration silk screen defoaming.
6. mud special cylinder drying machine as claimed in claim 1, it is characterized in that: in described revolving cylinder, be followed successively by feed zone, particle section, turn over the section of copying and discharging section from feed end to discharge end, described feed zone is arranged with the spiral plate for spiral pusher along revolving cylinder inwall, described particle section is arranged with the screen frame plate for fragmentation caking mud along revolving cylinder inwall, the described section of copying of turning over is arranged with the scraper plate that sludge turning is copied along revolving cylinder inwall, described discharging section is light cylinder.
7. mud special cylinder drying machine as claimed in claim 6, is characterized in that: the screen frame plate of described particle section comprises multiple sieve bars that be arranged in parallel.
8. mud special cylinder drying machine as claimed in claim 6, is characterized in that: on the described scraper plate that turns over the section of copying, be also provided with cable body.
9. mud special cylinder drying machine as claimed in claim 8, is characterized in that: described cable body is chain.
10. mud special cylinder drying machine as claimed in claim 8 or 9, is characterized in that: described cable body is arranged on and turns over the section of copying near on a part of scraper plate of particle section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004698.XU CN203653406U (en) | 2014-01-03 | 2014-01-03 | Special roller dryer for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004698.XU CN203653406U (en) | 2014-01-03 | 2014-01-03 | Special roller dryer for sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203653406U true CN203653406U (en) | 2014-06-18 |
Family
ID=50919821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004698.XU Expired - Lifetime CN203653406U (en) | 2014-01-03 | 2014-01-03 | Special roller dryer for sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203653406U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984884A (en) * | 2017-12-24 | 2018-05-04 | 苏州派菲特自动化科技有限公司 | Transfer interpreter Heating tube with peep hole |
| CN110143748A (en) * | 2019-07-08 | 2019-08-20 | 王子腾 | A kind of sludge treatment equipment for chemical industry |
| CN114288786A (en) * | 2022-01-18 | 2022-04-08 | 河南平原智能装备股份有限公司 | Dust filtering system of polishing chamber |
-
2014
- 2014-01-03 CN CN201420004698.XU patent/CN203653406U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984884A (en) * | 2017-12-24 | 2018-05-04 | 苏州派菲特自动化科技有限公司 | Transfer interpreter Heating tube with peep hole |
| CN110143748A (en) * | 2019-07-08 | 2019-08-20 | 王子腾 | A kind of sludge treatment equipment for chemical industry |
| CN114288786A (en) * | 2022-01-18 | 2022-04-08 | 河南平原智能装备股份有限公司 | Dust filtering system of polishing chamber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108947154B (en) | A kind of intelligence oil sludge processing unit and treatment process | |
| CN104891769B (en) | Sludge drying and incineration system and method | |
| CN103145307B (en) | High temperature carbonization system of sludge and carbonization process | |
| CN102730912B (en) | Integrated sewage-sludge treatment method | |
| TW201641444A (en) | Sludge drying system and method | |
| CN1861532A (en) | Method and device of treating urban mud by using cement rotary kiln | |
| KR101729994B1 (en) | Low-temperature dry apparatus for sludge using heat transfer media and dry method thereof | |
| KR101339563B1 (en) | Apparatus for removing organic sludge | |
| CN203653406U (en) | Special roller dryer for sludge | |
| CN205974226U (en) | Oil waste drilling mud minimizing zero release system of recycling | |
| CN108787728A (en) | A kind of the Thermal desorption restorative procedure and system of organic material contaminated soil | |
| CN106623396A (en) | Multifunctional soil remediation equipment combining leaching remediation and thermal desorption remediation | |
| CN102372410A (en) | Method for sludge dehydration and drying | |
| KR20210023678A (en) | Novel organic solid waste pyrolysis gasifier | |
| CN102086082B (en) | Rotary sludge treatment system and treatment process thereof | |
| CN101857347B (en) | Sludge ultrasonic roller drier | |
| CN206747261U (en) | A kind of Thermal desorption repair system of organic material contaminated soil | |
| CN203346244U (en) | Shoveling-plate-type rotary-roller dryer | |
| CN209989229U (en) | Sludge treatment drying equipment for high water content | |
| CN105546549A (en) | Trash dechlorination device and method | |
| CN210620725U (en) | Novel organic solid waste pyrolysis gasifier | |
| CN104973598A (en) | Active carbon production apparatus | |
| CN105036126A (en) | Device for recycling agricultural wastes | |
| CN216779827U (en) | Industrial waste salt pyrolysis system | |
| CN106082581A (en) | Waste drilling mud minimizing zero-emission reutilization system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Zheng Lu Ninghe Cun, Tianning District 213115 Jiangsu city of Changzhou Province Patentee after: JIANGSU JINLING DRYING EQUIPMENT CO.,LTD. Address before: 213115 Changzhou three industrial zone, Changzhou Jinling drying equipment Co., Ltd., Wujin District, Jiangsu, China Patentee before: CHANGZHOU JINLING DRYING EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |