CN103121786A - Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process - Google Patents
Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process Download PDFInfo
- Publication number
- CN103121786A CN103121786A CN2013100613275A CN201310061327A CN103121786A CN 103121786 A CN103121786 A CN 103121786A CN 2013100613275 A CN2013100613275 A CN 2013100613275A CN 201310061327 A CN201310061327 A CN 201310061327A CN 103121786 A CN103121786 A CN 103121786A
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- Prior art keywords
- heat
- heat exchanger
- sludge treatment
- utilization
- treatment equipment
- 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.)
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- 239000010802 sludge Substances 0.000 title claims abstract description 31
- 230000018044 dehydration Effects 0.000 title claims abstract description 24
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 24
- 238000009833 condensation Methods 0.000 title claims abstract description 21
- 230000005494 condensation Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000002918 waste heat Substances 0.000 title abstract description 5
- 238000000197 pyrolysis Methods 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 39
- 230000005415 magnetization Effects 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 37
- 239000003546 flue gas Substances 0.000 claims description 37
- 230000009977 dual effect Effects 0.000 claims description 28
- 238000010304 firing Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 16
- 238000013459 approach Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 7
- 238000010410 dusting Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 206010022000 influenza Diseases 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000002309 gasification Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract 7
- 238000013461 design Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention relates to an integrated condensation dehydration and waste heat utilization sludge treatment device and a technological process. The device is characterized by comprising a magnetization pyrolysis machine, a dehumidifying tower, a heat exchanger, a secondary combustion chamber and a tail gas treatment device which are sequentially connected, wherein a water-smoke mixed gas outlet of the magnetization pyrolysis machine is connected with a smoke inlet of the dehumidifying tower; a smoke outlet of the dehumidifying tower is connected with a smoke inlet of the heat exchanger; a smoke outlet of the heat exchanger is led to the magnetization pyrolysis machine through a flue and led to a smoke inlet of the secondary combustion chamber through another flue; and a smoke outlet of the secondary combustion chamber is subjected to an after heat circulation of the heat exchanger and then connected with the tail gas treatment device. According to the invention, no additional sludge dryer is needed, the investment in equipment and the area of a plant are reduced, the investment cost is greatly lowered, the heat loss is reduced in an integrated manner, and the heat utilization rate is improved.
Description
Technical field:
The present invention relates to the sludge treatment equipment of a kind of integrated condensation dehydration and UTILIZATION OF VESIDUAL HEAT IN and use this sludge treatment equipment to carry out the technical process of sludge treatment.
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Background technology:
High temperature anhydration and incineration method and the pyrolysis method of sludge treatment equipment employing at present adopt dryer to dry pretreated UTILIZATION OF VESIDUAL HEAT IN form to mud more.Mud after oven dry enters in stove again and burns or pyrolysis.
Mud is dried pretreated some sludge dryer exists drying efficiency low, fluctuation of service, life-span is low, cost is high, particularly be difficult to the problems such as maximization, as the sludge dryer cost of processing 2 tons needs 1,000,000 yuan of left and right, needs more than 1,000 ten thousand yuan and process the sludge dryer cost of 10 tons, and also do not process sludge dryer more than 100 tons at present; And the steam that produces after the mud oven dry also needs the condensation dehydration, and there are the drawbacks such as secondary pollution in addle and the foul smell of generation.The bootstrap system of sludge dryer, waste heat boiler (or heat exchanger) formation also takies a large amount of plant areas simultaneously, increases infrastructure investment.System flow is long, and pipeline is many, and thermosteresis is large, has reduced UTILIZATION OF VESIDUAL HEAT IN efficient, has increased maintenance difficulties and cost.
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Summary of the invention:
The object of the present invention is to provide sludge treatment equipment and the technical process of a kind of integrated condensation dehydration and UTILIZATION OF VESIDUAL HEAT IN, the sludge treatment equipment of this integrated condensation dehydration and UTILIZATION OF VESIDUAL HEAT IN is simple in structure, reasonable in design, is conducive to reduce equipment investment, solves the problems such as UTILIZATION OF VESIDUAL HEAT IN efficient is low.
The sludge treatment equipment of the integrated condensation dehydration of the present invention and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: comprise the magnetization pyrolysis machine, dehumidifying tower, heat exchanger, dual firing chamber and the exhaust gas processing device that connect successively, the exhanst gas outlet of described magnetization pyrolysis machine is connected with the gas approach of dehumidifying tower, the exhanst gas outlet of dehumidifying tower is connected with the gas approach of heat exchanger, the flue gas delivery port of heat exchanger leads to the magnetization pyrolysis machine through a flue, the gas approach that leads to dual firing chamber through another flue, the exhanst gas outlet of dual firing chamber is connected with exhaust gas processing device after over-heat-exchanger after heat circulation.
Above-mentioned magnetization pyrolysis machine also is connected with roots blower, ignition machine and deslagging device.
Above-mentioned dehumidifying tower is spray-type dehumidifying tower.
The sewage outlet of above-mentioned spray-type dehumidifying tower is connected with the water inlet of cooling tower, and the water out of described cooling tower and spray-type the dehumidify spray mouth of a river of tower is connected.
Be provided with Induced fan between above-mentioned spray-type dehumidifying tower and heat exchanger.
Be connected with combustion engine and overfire air fan in above-mentioned dual firing chamber.
Above-mentioned exhaust gas processing device includes water cooling heat exchanger, dusting device, sack cleaner, induced draft fan and the chimney that connects successively.
Above-mentioned water cooling heat exchanger is connected with cooling tower.
The flue gas delivery port of above-mentioned heat exchanger leads to respectively magnetization pyrolysis machine and dual firing chamber through two flues, is equipped with variable valve on this flue.
the technical process of the sludge treatment equipment of the integrated condensation dehydration of the present invention and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: the mud of high-moisture percentage is through the magnetization pyrolysis of magnetization pyrolysis machine, aquation, after gasification, slag can be discharged from slag notch, the flue gas that contains a large amount of water vapour enters spray-type dehumidifying tower, after dry flue gas after dehydration enters heat exchanger, part is returned to the magnetization pyrolysis machine and is further burned, part lead to dual firing chamber so that inflammable gas and objectionable impurities by perfect combustion with destroy by fire, the high-temperature flue gas of dual firing chamber's output is through over-heat-exchanger, thermal exchange is given the part flue gas that enters in pyrolysis machine, last flue gas is through water cooling heat exchanger, dusting device, sack cleaner and chimney, realize qualified discharge.
The present invention has following advantage:
1, be subject to some independent mud drying system processing power less, usually burn or the pyrolysis processing disposal system be difficult to maximize, the present invention has thoroughly solved this problem, but the processing of simple realization mud more than 100 tons;
2, need not extra waste heat boiler and sludge dryer, reduced the input of equipment and reduced the area that factory building uses, greatly reduce investment cost;
3, integrated mode has reduced the loss of heat, has improved heat utilization ratio;
4, integrated design makes system configuration rationally, concisely, and simple to operate, manning is few, thereby reduces cost of labor and maintenance cost.
5, after the flue gas condensing dehydration, exhaust gas volumn greatly reduces, and makes exhaust gas purification equipment do very littlely.Simultaneously, the flue gas calorific value improves greatly, and burning does not need auxiliary fuel substantially in dual firing chamber.Obviously reduce facility investment and running cost.
6, in dual firing chamber, the amount of heat of high-temperature flue gas is exchanged to working medium in stove in interchanger and pyrolysis machine consist of recycling residual heat system, greatly reduces auxiliary fuel consumption and running cost.
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Description of drawings:
Fig. 1 is system flowchart of the present invention.
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Embodiment:
﹠lt, b TranNum="87" ﹠gt, ﹠lt, / b ﹠gt, the sludge treatment equipment of the integrated condensation dehydration of the present invention and UTILIZATION OF VESIDUAL HEAT IN, comprise the magnetization pyrolysis machine 1 that connects successively, dehumidifying tower 2, heat exchanger 3, dual firing chamber 4 and exhaust gas processing device 5, the shredded tobacco for water pipes mixed gas outlet 101 of described magnetization pyrolysis machine 1 is connected with the gas approach 201 of dehumidifying tower 2, the exhanst gas outlet 202 of dehumidifying tower 2 is connected with the gas approach 301 of heat exchanger 3, the flue gas delivery port 302 of heat exchanger leads to magnetization pyrolysis machine 1 through a flue, the gas approach 401 that leads to dual firing chamber 4 through another flue, the exhanst gas outlet 402 of dual firing chamber is connected with exhaust gas processing device 5 after thermal cycling after over-heat-exchanger 3.The mud of high-moisture percentage enters after the magnetization pyrolysis machine of this equipment discharge from slag notch after can be dry.And the shredded tobacco for water pipes gas of high temperature becomes dry flue gas under the effect of dehumidifying tower.
In order to improve the reasonable of efficiency of combustion and design, above-mentioned magnetization pyrolysis machine also is connected with roots blower 6, ignition machine 7 and deslagging device 8.
Reasonable for what design, above-mentioned dehumidifying tower 2 is spray-type spray-type dehumidifying tower.
For recycling of spray-type dehumidifying tower, the sewage outlet 203 of above-mentioned spray-type dehumidifying tower is connected with the water inlet of cooling tower 9, and the water out of described cooling tower and spray-type the dehumidify spray mouth of a river 204 of tower is connected.Adopt spray-type dehumidifying tower can effectively remove a large amount of water vapors that contain from the flue gas that magnetization pyrolysis machine 1 is discharged, make it become dry flue gas.
In order to be conducive to the conveying of flue gas, be provided with Induced fan 10 between above-mentioned spray-type dehumidifying tower and heat exchanger.
But for the burning of burning fume in dual firing chamber, be connected with combustion engine and overfire air fan in above-mentioned dual firing chamber.850 degrees centigrade of dual firing chamber's high-temperature flue gas out heat up for the flue gas that feeds back toward magnetization pyrolysis machine 1 through over-heat-exchanger.
In order better to process tail gas, above-mentioned exhaust gas processing device 5 includes water cooling heat exchanger 11, dusting device 12, sack cleaner 13, induced draft fan 14 and the chimney 15 that connects successively.
In order to be conducive to the work of water cooling heat exchanger, above-mentioned water cooling heat exchanger is connected with cooling tower 16.
In order to be conducive to regulate, the flue gas delivery port of above-mentioned heat exchanger leads to respectively magnetization pyrolysis machine and dual firing chamber through two flues, is equipped with variable valve 17 on this flue.The flue gas that return to lead to the magnetization pyrolysis machine is greatly about the 20-40% of the amount of flue gas emission of heat exchanger output, and the flue gas of transporting to dual firing chamber is greatly about the 60-80% of the amount of flue gas emission of heat exchanger output, return towards about 400 degrees centigrade of the flue-gas temperature of magnetizing pyrolysis machine, being conducive to provides heat to the magnetization pyrolysis machine.
the technical process of the sludge treatment equipment of the integrated condensation dehydration of the present invention and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: moisture 80% mud is through the magnetization pyrolysis of magnetization pyrolysis machine, after burning, slag can be discharged from slag notch, the high humid flue gas of high temperature enters spray-type dehumidifying tower, after dry flue gas after dehumidifying enters heat exchanger, part is returned to the magnetization pyrolysis machine and is further burned, part lead to dual firing chamber so that inflammable gas and objectionable impurities by perfect combustion with destroy by fire, the high-temperature flue gas of dual firing chamber's output passes to Returning heat-exchanger through flue heat, last flue gas is through water cooling heat exchanger, dusting device, the cleaning action of sack cleaner and chimney is to realize qualified discharge.
The present invention has following advantage:
1, be subject to some independent mud drying system processing power less, usually burn or the pyrolysis processing disposal system be difficult to maximize, the present invention has thoroughly solved this problem, but the processing of simple realization mud more than 100 tons;
2, need not extra waste heat boiler and sludge dryer, reduced the input of equipment and reduced the area that factory building uses, greatly reduce investment cost;
3, integrated mode has reduced the loss of heat, has improved heat utilization ratio;
4, integrated design makes system configuration rationally, concisely, and simple to operate, manning is few, thereby reduces cost of labor and maintenance cost.
5, after the flue gas condensing dehydration, exhaust gas volumn greatly reduces, and makes exhaust gas purification equipment do very littlely.Simultaneously, the flue gas calorific value improves greatly, and burning does not need auxiliary fuel substantially in dual firing chamber.Obviously reduce facility investment and running cost.
6, in dual firing chamber, the amount of heat of high-temperature flue gas is exchanged to working medium in stove in interchanger and pyrolysis machine consist of recycling residual heat system, greatly reduces auxiliary fuel consumption and running cost.
The above is only preferred embodiment of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. the sludge treatment equipment of an integrated condensation dehydration and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: comprise the magnetization pyrolysis machine, dehumidifying tower, heat exchanger, dual firing chamber and the exhaust gas processing device that connect successively, the exhanst gas outlet of described magnetization pyrolysis machine is connected with the gas approach of dehumidifying tower, the exhanst gas outlet of dehumidifying tower is connected with the gas approach of heat exchanger, the flue gas delivery port of heat exchanger leads to the magnetization pyrolysis machine through a flue, the gas approach that leads to dual firing chamber through another flue, the exhanst gas outlet of dual firing chamber is connected with exhaust gas processing device after over-heat-exchanger after heat circulation.
2. the sludge treatment equipment of integrated condensation dehydration according to claim 1 and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: described magnetization pyrolysis machine also is connected with roots blower, ignition machine and deslagging device.
3. the sludge treatment equipment of integrated condensation dehydration according to claim 1 and 2 and UTILIZATION OF VESIDUAL HEAT IN is characterized in that: described dehumidifying tower is spray-type dehumidifying tower.
4. the sludge treatment equipment of integrated condensation dehydration according to claim 3 and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: the sewage outlet of described spray-type dehumidifying tower is connected with the water inlet of cooling tower, and the water out of described cooling tower and spray-type the dehumidify spray mouth of a river of tower is connected.
5. the sludge treatment equipment of integrated condensation dehydration according to claim 4 and UTILIZATION OF VESIDUAL HEAT IN, is characterized in that: be provided with Induced fan between described spray-type dehumidifying tower and heat exchanger.
6. the sludge treatment equipment of integrated condensation dehydration according to claim 5 and UTILIZATION OF VESIDUAL HEAT IN, is characterized in that: be connected with combustion engine and overfire air fan in described dual firing chamber.
7. the sludge treatment equipment of integrated condensation dehydration according to claim 6 and UTILIZATION OF VESIDUAL HEAT IN is characterized in that: described exhaust gas processing device includes water cooling heat exchanger, dusting device, sack cleaner, induced draft fan and the chimney that connects successively.
8. the sludge treatment equipment of integrated condensation dehydration according to claim 7 and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: described water cooling heat exchanger is connected with cooling tower.
9. the sludge treatment equipment of integrated condensation dehydration according to claim 8 and UTILIZATION OF VESIDUAL HEAT IN is characterized in that: the flue gas delivery port of described heat exchanger leads to respectively magnetization pyrolysis machine and dual firing chamber through two flues, is equipped with variable valve on this flue.
10. a right to use requires the technical process of the sludge treatment equipment of the described integrated condensation dehydration of 1-8 and UTILIZATION OF VESIDUAL HEAT IN, it is characterized in that: the mud of high-moisture percentage is through the magnetization pyrolysis of magnetization pyrolysis machine, aquation, gasification, slag can be discharged from slag notch, the flue gas that contains a large amount of water vapors enters spray-type dehumidifying tower, after dry flue gas after dewatering enters heat exchanger, part is returned to the magnetization pyrolysis machine and is further burned, part lead to dual firing chamber so that inflammable gas and objectionable impurities by perfect combustion with destroy by fire, the high-temperature flue gas of dual firing chamber's output is through over-heat-exchanger, thermal exchange is given the part flue gas that enters in pyrolysis machine, last flue gas is through water cooling heat exchanger, dusting device, sack cleaner and chimney, realize qualified discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061327.5A CN103121786B (en) | 2013-02-27 | 2013-02-27 | Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061327.5A CN103121786B (en) | 2013-02-27 | 2013-02-27 | Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process |
Publications (2)
| Publication Number | Publication Date |
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| CN103121786A true CN103121786A (en) | 2013-05-29 |
| CN103121786B CN103121786B (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310061327.5A Expired - Fee Related CN103121786B (en) | 2013-02-27 | 2013-02-27 | Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553292A (en) * | 2013-11-19 | 2014-02-05 | 中国科学院武汉岩土力学研究所 | Sludge magnetization dehydration treatment device |
| CN111116006A (en) * | 2019-12-26 | 2020-05-08 | 广州境薪环保服务有限公司 | Circulating heat recovery sludge treatment system and treatment method |
| CN111878825A (en) * | 2020-07-28 | 2020-11-03 | 佛山市华洁源热能与环境工程技术有限公司 | Solid waste pyrolysis and its related gas combustion device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001116233A (en) * | 1999-10-14 | 2001-04-27 | Ebara Corp | Waste treatment equipment |
| CN102537973A (en) * | 2012-01-16 | 2012-07-04 | 中昌环保集团有限公司 | Novel process for pyrolysis of solid wastes |
| CN102679364A (en) * | 2012-06-04 | 2012-09-19 | 遵化市斗星环保能源设备有限公司 | Household garbage treatment system |
-
2013
- 2013-02-27 CN CN201310061327.5A patent/CN103121786B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001116233A (en) * | 1999-10-14 | 2001-04-27 | Ebara Corp | Waste treatment equipment |
| CN102537973A (en) * | 2012-01-16 | 2012-07-04 | 中昌环保集团有限公司 | Novel process for pyrolysis of solid wastes |
| CN102679364A (en) * | 2012-06-04 | 2012-09-19 | 遵化市斗星环保能源设备有限公司 | Household garbage treatment system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553292A (en) * | 2013-11-19 | 2014-02-05 | 中国科学院武汉岩土力学研究所 | Sludge magnetization dehydration treatment device |
| CN111116006A (en) * | 2019-12-26 | 2020-05-08 | 广州境薪环保服务有限公司 | Circulating heat recovery sludge treatment system and treatment method |
| CN111116006B (en) * | 2019-12-26 | 2022-04-01 | 广州境薪环保服务有限公司 | Circulating regenerative sludge treatment system and method |
| CN111878825A (en) * | 2020-07-28 | 2020-11-03 | 佛山市华洁源热能与环境工程技术有限公司 | Solid waste pyrolysis and its related gas combustion device |
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| Publication number | Publication date |
|---|---|
| CN103121786B (en) | 2014-04-30 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130529 Assignee: FUJIAN ZONSEN ENVIRONMENTAL PROT TECHNOLOGY Co.,Ltd. Assignor: Lin Xiumei Contract record no.: 2014350000085 Denomination of invention: Integrated condensation dehydration and waste heat utilization sludge treatment device and technological process Granted publication date: 20140430 License type: Exclusive License Record date: 20140715 |
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