CN202415341U - Device capable of integrating high-pressure dehydration, drying and deodorization for sludge - Google Patents
Device capable of integrating high-pressure dehydration, drying and deodorization for sludge Download PDFInfo
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- CN202415341U CN202415341U CN2011205234394U CN201120523439U CN202415341U CN 202415341 U CN202415341 U CN 202415341U CN 2011205234394 U CN2011205234394 U CN 2011205234394U CN 201120523439 U CN201120523439 U CN 201120523439U CN 202415341 U CN202415341 U CN 202415341U
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- sludge
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- mud
- drying machine
- deodorizing
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- 239000010802 sludge Substances 0.000 title claims abstract description 142
- 238000001035 drying Methods 0.000 title claims abstract description 69
- 230000018044 dehydration Effects 0.000 title claims abstract description 32
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 32
- 238000004332 deodorization Methods 0.000 title abstract description 6
- 238000013461 design Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000001877 deodorizing effect Effects 0.000 claims description 38
- 239000000126 substance Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 206010013786 Dry skin Diseases 0.000 claims 1
- 208000005156 Dehydration Diseases 0.000 description 23
- 238000000034 method Methods 0.000 description 10
- 239000010865 sewage Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a device capable of integrating high-pressure dehydration, drying and deodorization for sludge, which comprises a dosing device, a sludge conditioner, a sludge pump, a high-pressure dehydrator, a sludge drying machine, a dry sludge storage bin and a biological deodorization device, wherein the dosing device is connected with the sludge conditioner; the sludge conditioner, the sludge pump, the high-pressure dehydrator, the sludge drying machine and the dry sludge storage bin are sequentially connected; a closed space is formed by the sludge conditioner, the sludge pump, the high-pressure dehydrator and the sludge drying machine; and one or more tail gas outlet(s) is/are arranged, connected by a sealing collection pipeline and connected with the biological deodorization device by a fan. By the integral design of dehydration, drying and deodorization, the device is reasonable in design and compact in connection, and adopts equipment with a mature structure, thus having good economical efficiency.
Description
Technical field
The utility model belongs to field of solid waste treating technology, relates to a kind of sludge treatment equipment, the deodorizing integrated device of particularly a kind of sludge high-pressure dehydration and drying.
Background technology
Along with the development and the human progress of society, people constantly strengthen the protection and the improvement consciousness of living environment.In addition, country implements dynamics to Environment Protection Policy and constantly strengthens, and the nationwide wastewater treatment rate is improved constantly, and sewage work is built in each city one after another, and large, medium and small type sewage work has reached the hundreds of seat, but also is increasing sharply.Each sewage work all is faced with the problem of a large amount of excess sludges of how disposing generation every day.
Still do not have appropriate sludge ultimate disposal method at present in China, pathogenic bacterium exceed standard in addition, and are fertile as farming traditionally, can not meet hygienic standard fully.Some industrial cities particularly; The ratio of trade effluent is higher always in the sewage, contains a certain proportion of heavy metal substance in the mud, and life-time service can enrichment in soil; Cause the hardening soil; Therefore sewage work's dewatered sludge does not have suitable outlet, arbitrarily stacks and cause secondary pollution, sludge disposal problem to become most sewage works problem anxious to be solved in recent years, the whether appropriate existence that has been related to sewage work of sludge disposal.
China has carried out number of research projects to comprehensive application technology projects such as the required green technology equipment of city sludge process field, gordian technique, key equipment, key parts in recent years; In the prior art; Mud dosing, sludge dewatering, mummification and deodorizing also can only be stage by stage, independent separately the realization carried out in subregion, sub-system, subset.
The sludge dewatering great majority also adopt common machinery, centrifugal or belt water extracter, can not carry out deep dehydration, can only be earlier in factory, excess sludge be dewatered to the wet mud of water ratio 80%; And high press-dehydrating be through its high-pressure system and lp system through repeatedly extruding, can make mud under the situation that does not need thermal source directly through the mechanical system deep dehydration, significantly reduced follow-up sludge drying and deodorizing cost.
The sludge drying great majority are direct and indirect heating through steam; The great majority design considers to handle the wet mud of water ratio 80%; Make moisture percentage in sewage sludge reach 10-30%; And great majority in factory separately on a cover sludge drying device (need factory in go up again independently boiler thermal source is provided) or transport to again and carry out the mud heat drying outside the factory and dispose because problem such as its device is big, steam consumption quantity is many, cost is higher, the foul smell processing is undesirable, so it is slower to promote process at present.
Traditional sludge dewatering process does not generally have odor removal.
Although at present to the existing research of high pressure dewatering unit; But still do not consider with sludge drying and odor removal integral system; The deodorizing integrated equipment of sludge high-pressure dehydration and drying is not more arranged, especially can not really realize integrated, mass-producing, stdn, the industrialized development of sludge high-pressure dehydration and drying deodorization technology device.
Summary of the invention
The utility model purpose provides that a kind of treatment and disposal cost is low, efficient is high, flexible to operation; The deodorizing integrated device of collection sludge high-pressure dehydration and drying; Solve existing sludge treatment and dispose big, the problems such as energy consumption is high, running cost is high, odor pollution of whole investment; Be beneficial to the industrialized development of sludge treatment or disposal plant, dispose through impelling more economical the obtaining of mud ability, to satisfy environmental requirement.
The technical scheme that the utility model adopted is:
The deodorizing integrated device of a kind of sludge high-pressure dehydration and drying; It is characterized in that described device comprises chemicals dosing plant (1), mud quality-adjusting device (2), sludge pump (3), high pressing dehydrator (8), sludge drying machine (20), dewatered sludge feed bin (21) and biological deodorizing device (24); Described chemicals dosing plant (1) connects mud quality-adjusting device (2); Mud quality-adjusting device (2), sludge pump (3), high pressing dehydrator (8), sludge drying machine (20) and dewatered sludge feed bin (21) order link to each other; Described mud quality-adjusting device (2), sludge pump (3), high pressing dehydrator (8) and sludge drying machine (20) form enclosed space; And one or more tail gas outlets (22) are set; After the connection of sealing conduit, connect biological deodorizing device (24) through blower fan (23).
The deodorizing integrated device of sludge high-pressure dehydration and drying of the utility model; The chemical agent that chemicals dosing plant (1) will change sludge characteristics adds mud quality-adjusting device (2); Wet mud gets into high pressure water extracter (8) dehydration to half-dried after mix stirs in mud quality-adjusting device (2); It is dry that semi-dry sludge behind high press-dehydrating directly enters into sludge drying machine (20) steam heating, through e Foerderanlages such as rotary conveyors dewatered sludge delivered to dewatered sludge again and store feed bin.
The integrated apparatus of the utility model adopts closed system; Can be on mud quality-adjusting device (2) and high pressing dehydrator (8); And between sludge drying machine (20) and the dewatered sludge feed bin (21), tail gas outlet (22) is set, and after being connected in parallel by the sealing conduit; Through blower fan (23) intake-gas, deliver to biological deodorizing device (24).
Described high pressing dehydrator (8) is positioned at sludge drying machine (20) top, and connects through vertical ducting.Semi-dry sludge after high pressing dehydrator (8) dehydration gets into sludge drying machine (20) through gravity.
The deodorizing integrated device of described sludge high-pressure dehydration and drying; Chemicals dosing plant (1), mud quality-adjusting device (2), high pressing dehydrator (8), sludge drying machine (20), biological deodorizing device (24) and system pipeline thereof adopt the ontological design; Design is in a whole tank bracket, or a plurality of little tank bracket is combined into a single unit system.
Described high pressing dehydrator (8) comprises sludge inlet (4), flight (5), transmission shaft (6); Shield cap (7), filter back liquid outlet (9), support (10); Mud discharge port (11); Flight (5) is set on the transmission shaft (6), and the multistage continuous mechanical extrusion system that flight (5) is formed carries out the mechanical presses dehydration to wet mud.
Described sludge drying machine can adopt paddle formula or disc type desiccation machine.Described oar blade type desiccation machine comprises hollow blade (12), desiccation machine cylindrical shell (13), hollow spindle (14); Steam inlet (15), drive unit (16), vapour outlet (17); Mud import (25), sludge outlet (18) and desiccation machine support (19), hollow spindle (14) two ends are steam inlet (15) and vapour outlet (17); Hollow blade (12) is set on it, and by drive unit (16) driven in rotation.The sludge drying machine is to carrying out heat drying from the semi-dry sludge after high pressing dehydrator (8) dehydration.
Adopt the deodorizing integrated device of sludge high-pressure dehydration and drying of the utility model that mud is handled; Its method is after wet mud adds improved chemical through chemicals dosing plant; In the mud quality-adjusting device, mix and stir, squeeze into high pressing dehydrator by sludge pump, through the multistage continuous mechanical extrusion system of forming by high pressure and lp system; Produce semi-dry sludge; Get into oar blade type or disc type sludge drying machine again, and adopt steam to carry out mummification to dewatered sludge, the foul smell that produces in its sludge handling process gets into biological deodorizing device through the sealing gathering system and carries out the deodorizing processing.
The beneficial effect that the utlity model has is:
The utility model integrates mud dosing, high press-dehydrating, heat drying and deodorizing, with existing compared with techniques independently separately, has actively and obvious effects.Through adding the characteristic that improved chemical can change mud, be convenient to improve the mechanical sludge dewatering effect, reduce mechanical energy consumption, improve dewatering efficiency; High pressing dehydrator is multistage continuously extruded through high pressure and lp system, directly with deeply dehydrating sludge, reduces the sludge quantity that follow-up mummification is disposed, and has reduced the required energy of sludge drying simultaneously.
The deodorizing integrated device of sludge high-pressure dehydration and drying of the utility model can save floor occupying area; Save steam energy; Reduce the transport and store link of wet mud, avoided the transportation secondary environmental pollution, also saved the sludge quantity and the steam consumption quantity of mummification; Thereby greatly reduce the cost of sludge drying, reduced processed in units running cost.Simultaneously the foul smell in the sludge handling process is in time handled.
The utility model device is through integrated design; Integrating device compactness reasonable in design; The equipment and technology that adopts is advanced, and structure is novel, ripe, has better economic property; For safety, environmental protection, solve current urban domestic sewage sludge and industrial wastewater sludge treatment and disposal problem economically and have important use and be worth, have good economy, society and environmental benefit.
Below in conjunction with specific embodiment the utility model is described in detail.The protection domain of the utility model does not exceed with embodiment, but is limited claim.
Description of drawings
Fig. 1 is the structural representation of the deodorizing integrated device of sludge high-pressure dehydration and drying of the utility model.
Comprise among the figure: improvement property chemicals dosing plant (1), mud quality-adjusting device (2), sludge pump (3), sludge inlet (4), flight (5); Transmission shaft (6), shield cap (7), high pressing dehydrator (8), filter back liquid outlet (9); High pressing dehydrator support (10), mud discharge port (11), hollow blade (12), oar blade type desiccation machine cylindrical shell (13); Hollow spindle (14), steam inlet (15), drive unit (16), vapour outlet (17); Sludge outlet (18), desiccation machine support (19), sludge drying machine (20), dewatered sludge feed bin (21); Tail gas outlet (22), blower fan (23), biological deodorizing device (24), mud import (25).
Embodiment
Shown in accompanying drawing 1; The deodorizing integrated device of sludge high-pressure dehydration and drying of the utility model comprises improved chemical chemicals dosing plant 1, mud quality-adjusting device 2, sludge pump 3, high pressing dehydrator 8, paddle formula sludge drying machine 20, dewatered sludge feed bin 21 and biological deodorizing device 24.
To mud quality-adjusting device 2, medicament comes amount and automatic adjusting of characteristic to add dose according to mud to improved chemical, to reach the purpose of sludge modification, makes the mud more dehydration, improves dewatering rate through chemicals dosing plant 1 dissolving back e Foerderanlage.
Mud quality-adjusting device 2, sludge pump 3, high pressing dehydrator 8, sludge drying machine 20 and dewatered sludge feed bin 21 orders link to each other.Wet mud mixes the stirring back through mud quality-adjusting device 2 and gets into high pressure water extracter 8 with improved chemical; Semi-dry sludge behind high press-dehydrating enters into the mud import 25 of sludge drying machine 20 through the mud discharge port 11 of sludge dewatering equipment; Adopt steam to carry out mummification, be transported to dewatered sludge feed bin 21 through rotary conveyor again.
In the integrated apparatus of the utility model; Whole mud is carried, disposal system is airtight, and at mud quality-adjusting device 2, high pressing dehydrator 8; Between sludge drying machine 20 and the dewatered sludge feed bin 21; Tail gas outlet 22 is set and is connected in parallel,, deliver to biological deodorizing device 24 through blower fan 23 intake-gas through the sealing conduit.
Described high pressing dehydrator 8 is positioned at sludge drying machine 20 tops, is connected through vertical ducting between the mud discharge port 11 of high pressing dehydrator 8 and the mud import 25 of sludge drying machine 20.Semi-dry sludge after high pressing dehydrator 8 dehydrations gets into sludge drying machine 20 through connecting tube through gravity.
The deodorizing integrated device of described sludge high-pressure dehydration and drying; Chemicals dosing plant 1, high pressing dehydrator 8, sludge drying machine 20, biological deodorizing device 24 and system pipeline thereof adopt the ontological design; Design is in a whole tank bracket, or a plurality of little tank bracket is combined into a single unit system.
Described high pressing dehydrator 8 comprises sludge inlet 4, flight 5, transmission shaft 6, shield cap 7; Filter back liquid outlet 9, support 10, mud discharge port 11; Flight 5 is set on the transmission shaft 6, and flight 5 forms multistage continuous mechanical extrusion system, and wet mud is carried out the mechanical presses dehydration.
Described sludge drying machine 20 adopts paddle formula desiccation machine, comprises hollow blade 12, desiccation machine cylindrical shell 13, hollow spindle 14; Steam inlet 15, drive unit 16, vapour outlet 17; Mud import 25, sludge outlet 18, desiccation machine support 19; Hollow blade 12 is set on the hollow spindle 14, and two ends are steam inlet 15 and vapour outlet 17, and by drive unit 16 driven in rotation.20 pairs in the sludge drying machine semi-dry sludge after from high pressing dehydrator 8 dehydrations is carried out heat drying.
The principle of work of the utility model is following:
Mud gets into the high pressure water extracter after through the dosing modification; Through the multistage continuous mechanical extrusion system of forming by high pressure and lp system; Produce semi-dry sludge, get into the oar blade type sludge drying system again, and adopt steam to carry out mummification; Reach the dewatered sludge of 10-30% to water ratio, the foul smell that produces in its sludge handling process gets into biological deodorizing device through gathering system to carry out deodorizing and handles.
Can change the characteristic of mud through adding improved chemical, be convenient to improve the mechanical sludge dewatering effect, reduce mechanical energy consumption, improve dewatering efficiency; High pressing dehydrator is multistage continuously extruded through high pressure and lp system, directly with deeply dehydrating sludge to reduce the sludge quantity and the required energy of sludge drying of follow-up mummification disposal.The sludge drying machine utilizes steam to carry out heat drying, helps further save energy.The utility model is with becoming one of sludge treatment equipment system; And in sludge dehydrating and drying, carry out biological deodorizing and handle; Real the integrated of sludge treatment of realizing; The device running cost of the utility model is low, processing efficiency is high, can be made into the standardised prod large-scale promotion and uses, and is used for environmental protection, treatment and disposal city domestic sewage or industrial wastewater sludge economically.
Claims (6)
1. deodorizing integrated device of sludge high-pressure dehydration and drying, it is characterized in that: described device comprises chemicals dosing plant (1), mud quality-adjusting device (2), sludge pump (3), high pressing dehydrator (8), sludge drying machine (20), dewatered sludge feed bin (21) and biological deodorizing device (24); Described chemicals dosing plant (1) connects mud quality-adjusting device (2), and mud quality-adjusting device (2), sludge pump (3), high pressing dehydrator (8), sludge drying machine (20) and dewatered sludge feed bin (21) order link to each other; Described mud quality-adjusting device (2), sludge pump (3), high pressing dehydrator (8) and sludge drying machine (20) form enclosed space; And one or more tail gas outlets (22) are set; After the connection of sealing conduit, connect biological deodorizing device (24) through blower fan (23).
2. the deodorizing integrated device of sludge high-pressure dehydration and drying according to claim 1; It is characterized in that: on described mud quality-adjusting device (2) and the high pressing dehydrator (8); And between sludge drying machine (20) and the dewatered sludge feed bin (21); Tail gas outlet (22) is set, and after being connected in parallel by the sealing conduit, connects biological deodorizing device (24) through blower fan (23).
3. the deodorizing integrated device of sludge high-pressure dehydration and drying according to claim 1 is characterized in that: described high pressing dehydrator (8) is positioned at sludge drying machine (20) top, and connects through vertical ducting.
4. according to claim 1, the deodorizing integrated device of 2 or 3 described sludge high-pressure dehydration and dryings; It is characterized in that: described chemicals dosing plant (1), mud quality-adjusting device (2), high pressing dehydrator (8), sludge drying machine (20), biological deodorizing device (24) and system pipeline thereof design in a whole tank bracket, or are combined into a single unit system by a plurality of little tank brackets.
5. the deodorizing integrated device of sludge high-pressure dehydration and drying according to claim 1; It is characterized in that: described high pressing dehydrator (8) comprises sludge inlet (4), flight (5), transmission shaft (6); Shield cap (7); Filter back liquid outlet (9), support (10) and mud discharge port (11) are provided with flight (5) on the transmission shaft (6).
6. the deodorizing integrated device of sludge high-pressure dehydration and drying according to claim 1 is characterized in that: described sludge drying machine (20) comprises hollow blade (12), desiccation machine cylindrical shell (13); Hollow spindle (14), steam inlet (15), drive unit (16); Vapour outlet (17); Mud import (25), sludge outlet (18) and desiccation machine support (19), hollow spindle (14) two ends are steam inlet (15) and vapour outlet (17); Hollow blade (12) is set on it, and by drive unit (16) driven in rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205234394U CN202415341U (en) | 2011-12-15 | 2011-12-15 | Device capable of integrating high-pressure dehydration, drying and deodorization for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205234394U CN202415341U (en) | 2011-12-15 | 2011-12-15 | Device capable of integrating high-pressure dehydration, drying and deodorization for sludge |
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| Publication Number | Publication Date |
|---|---|
| CN202415341U true CN202415341U (en) | 2012-09-05 |
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| CN2011205234394U Expired - Lifetime CN202415341U (en) | 2011-12-15 | 2011-12-15 | Device capable of integrating high-pressure dehydration, drying and deodorization for sludge |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103102056A (en) * | 2013-03-13 | 2013-05-15 | 南京盟博环保科技有限公司 | Equipment for slushing and reducing sludge |
| CN103833198A (en) * | 2013-03-06 | 2014-06-04 | 泰州市蓝海环保科技有限公司 | Sludge integrated deep dewatering dryer |
| CN103846055A (en) * | 2012-12-03 | 2014-06-11 | 福建新大陆环保科技有限公司 | Heat recovery method and system for recovering energy in water-rich biomass |
| CN104556629A (en) * | 2015-01-22 | 2015-04-29 | 江苏华伦化工有限公司 | Biochemical sludge treatment device and biochemical sludge treatment process |
| CN105621825A (en) * | 2016-01-19 | 2016-06-01 | 上海第二工业大学 | Sludge treatment device and method |
| CN106116093A (en) * | 2016-07-22 | 2016-11-16 | 浙江双林机械股份有限公司 | Sludge dehydrating and drying machine and dehydration and drying method |
| CN106365399A (en) * | 2016-08-31 | 2017-02-01 | 湖南恒凯环保科技投资有限公司 | Urban sludge treatment process |
| CN109761470A (en) * | 2017-11-06 | 2019-05-17 | 北京恒净新宇环境科技有限公司 | A kind of oily sludge minimizing processing method |
-
2011
- 2011-12-15 CN CN2011205234394U patent/CN202415341U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846055A (en) * | 2012-12-03 | 2014-06-11 | 福建新大陆环保科技有限公司 | Heat recovery method and system for recovering energy in water-rich biomass |
| CN103833198A (en) * | 2013-03-06 | 2014-06-04 | 泰州市蓝海环保科技有限公司 | Sludge integrated deep dewatering dryer |
| CN103102056A (en) * | 2013-03-13 | 2013-05-15 | 南京盟博环保科技有限公司 | Equipment for slushing and reducing sludge |
| CN104556629A (en) * | 2015-01-22 | 2015-04-29 | 江苏华伦化工有限公司 | Biochemical sludge treatment device and biochemical sludge treatment process |
| CN105621825A (en) * | 2016-01-19 | 2016-06-01 | 上海第二工业大学 | Sludge treatment device and method |
| CN105621825B (en) * | 2016-01-19 | 2018-03-13 | 上海第二工业大学 | A kind of sludge treatment equipment and method |
| CN106116093A (en) * | 2016-07-22 | 2016-11-16 | 浙江双林机械股份有限公司 | Sludge dehydrating and drying machine and dehydration and drying method |
| CN106116093B (en) * | 2016-07-22 | 2019-03-26 | 浙江双林机械股份有限公司 | Sludge dehydrating and drying machine and dehydration and drying method |
| CN106365399A (en) * | 2016-08-31 | 2017-02-01 | 湖南恒凯环保科技投资有限公司 | Urban sludge treatment process |
| CN109761470A (en) * | 2017-11-06 | 2019-05-17 | 北京恒净新宇环境科技有限公司 | A kind of oily sludge minimizing processing method |
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Free format text: FORMER OWNER: ZHANG LEI Effective date: 20140214 Owner name: ZHANG FAN Free format text: FORMER OWNER: LIAO JUN Effective date: 20140214 |
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Inventor after: Zhou Taohong Inventor before: Wang Yang Inventor before: Wang Liangliang |
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Free format text: CORRECT: INVENTOR; FROM: DU BAOZHONG HU XINJUN TO: ZHANG XINGBIN |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20140214 Address after: 430074 Jiayuan B4-4-601, Jiayuan Road, Hubei, Wuhan Patentee after: Zhou Taohong Address before: 430074 Hubei city of Wuhan province East Lake Development Zone Luoyu Road, Optics Valley international A No. 456 floor 11 No. 12 Patentee before: Wang Yang Patentee before: Wang Liangliang |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170704 Address after: 430014 East Lake hi tech Development Zone, Wuhan, two hi tech Road No. 388, Wuhan Optics Valley international bio pharmaceutical enterprise accelerator No. 1-2, No. twentieth, 5, 1, No. Patentee after: Hubei Jiade Technology Co., Ltd. Address before: 430074 Jiayuan B4-4-601, Jiayuan Road, Hubei, Wuhan Patentee before: Zhou Taohong |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20120905 |