CN207646043U - Municipal sludge desiccation pyrolytic gasification is controlled oneself incineration system - Google Patents
Municipal sludge desiccation pyrolytic gasification is controlled oneself incineration system Download PDFInfo
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- CN207646043U CN207646043U CN201721575838.9U CN201721575838U CN207646043U CN 207646043 U CN207646043 U CN 207646043U CN 201721575838 U CN201721575838 U CN 201721575838U CN 207646043 U CN207646043 U CN 207646043U
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Abstract
The utility model is related to a kind of self-holding incineration system of municipal sludge desiccation pyrolytic gasification, including sewage sludge feed storage device, flue gas desiccation apparatus and mud air separation, the sludge outlet of mud air separation bottom is sequentially connected air-flow gasification furnace, biogas clarifier, biogas hot-air system, and biogas hot-air system is connect with the smoke inlet of flue gas desiccation apparatus；Sludge enters the separation of mud air separation after flue gas desiccation apparatus desiccation, sludge after separation is delivered to pyrolytic gasification in air-flow gasification furnace by pneumatic transport equipment and is degraded to lime-ash and pyrolysis gas, pyrolysis gas enters biogas hot-air system, and biogas hot-air system high temperature hot wind is delivered to flue gas desiccation apparatus.The biogas that the utility model generates sludge gasification is utilized as predrying heat-source Cycles, lime-ash can be used as the building material additives such as cement after gasification, thorough to organic matter decomposition in sludge, heavy metal is converted into inorganic reference state, realizes sludge stabilizing, innoxious, recycling.
Description
Technical field
The utility model is related to chemical industry, field of environment protection, certainly more specifically to a kind of municipal sludge desiccation pyrolytic gasification
Hold incineration system.
Background technology
Sludge is the product after sewage disposal, and not only water content is high, perishable, has strong odor, and contain a large amount of diseases
The heavy metals such as opportunistic pathogen, parasitic ovum and chromium, mercury and dioxin etc. are difficult to the poisonous and harmful and carcinogen degraded.Sludge without
Processing is arbitrarily stacked, and is acted on by the erosion of rainwater and leakage, is easily caused secondary pollution to underground water, soil etc., is directly endangered
Evil human health.
Pyrolyzing sludge reaction environment is anaerobic or anoxic, and the discharge of the pollutants such as NOx, SOx and heavy metal is much low
Discharge capacity in burning process can get carbide, tar and combustion gas from pyrolysis, they have higher calorific value and exploitation value
Value.Being burned compared to traditional drying has carbon emission amount extremely low, place small compared to land uses technique floor spaces such as anaerobism and compost
It is thoroughly the important development direction for solving sludge problem to set.
The engineer application of pyrolyzing sludge concentrates on high temperature pyrolysis charring at present, and there is high energy consumption in the application causes to run
Enterprise of high cost, charcoal finally are difficult to get through using path, the problems such as there are coking and blocking.And in pyrolytic gasification, sludge
In organic matter be thoroughly decomposed into biological mass combustable gas and inorganic lime-ash, realize the stabilization of the organic matter and heavy metal in sludge
Change disposition and sludge energyization utilizes.
The organic solid wastes such as sludge pyrolysis at present mostly uses the conventional equipments such as external-heating revolving formula stove, fixed bed, dirty with dehydration
The characteristics such as mud content of ashes is high, ash fusion point is low do not match that gasification yield low (＜ 50%) gasification is not thorough, biogas calorific value
(generally 6~8MJ) low utility value is limited.Therefore, sludge gasification furnace how to effectively improve the thermal efficiency, improve gasification yield and
Biogas quality, it is the key that scale engineer application to reduce operating cost and raising stabilization of equipment performance, reliability.
Invention content
The technical problem to be solved by the present invention is to providing a kind of self-holding burn of municipal sludge desiccation pyrolytic gasification is
System, the biogas that sludge gasification generates are utilized as predrying heat-source Cycles, and lime-ash can be used as the building materials such as cement and add after gasification
Add agent, thorough to organic matter decomposition in sludge, heavy metal is converted into inorganic reference state, realizes sludge stabilizing, innoxious, money
Sourceization utilizes.
Technical solution adopted by the utility model to solve its technical problems is：Construct a kind of municipal sludge desiccation pyrolysis gas
Change incineration system of controlling oneself, including sequentially connected sewage sludge feed storage device, flue gas desiccation apparatus and mud air separation, it is described
The sludge outlet of mud air separation bottom is sequentially connected air-flow gasification furnace, biogas clarifier, biogas hot wind system
System, the biogas hot-air system are connect with the smoke inlet of the flue gas desiccation apparatus；It is dirty after flue gas desiccation apparatus desiccation
Mud enters the separation of mud air separation, and the sludge after separation is delivered to pyrolytic gasification in air-flow gasification furnace by pneumatic transport equipment
It is degraded to lime-ash and pyrolysis gas, pyrolysis gas enters biogas hot-air system, biogas hot wind system through biogas clarifier
Biogas burning generates high-temperature hot-air and is delivered to flue gas desiccation apparatus in system.
In said program, the exhanst gas outlet on mud air separation top is sequentially connected flue gas heat recovery dress
It sets, alkali liquid washing tower, tail gas clean-up deodorization device and chimney.
In said program, the air-flow gasification furnace, including furnace body, the furnace body set gradually from bottom to up clinker area,
First reaction zone and second reaction zone, first reaction zone is equipped with additive Fluidizer and predrying sludge inlet, described
Predrying sludge inlet is located at additive Fluidizer top, and the additive Fluidizer is connect with fluidized air blower, and described second
Reaction zone includes outer barrel and inner cylinder, and the top of the inner cylinder is straight panel, and lower part is different setback plate, the top of the second reaction zone
Equipped with gas outlet, the lower part of the first reaction zone is equipped with reserved gasifying agent import.
In said program, the bottom ashe outlet of the clinker area is equipped with blocking valve.
In said program, the barrel of the furnace body uses thermal insulation material, and the anti-corrosion material that liner is smooth.
In said program, the lower part of first reaction zone is equipped with multiple combustion supporting burners.
In said program, the outer barrel diameter of the second reaction zone is 1.2~1.4 times of the first reaction zone, described second
The ratio of height to diameter of reaction zone is 2~4.
In said program, the inner diameter of steel flue of the second reaction zone is the 0.7~0.85 of outer barrel diameter, inner cylinder top and stove
The spacing of body top plate is 0.3~0.6 times of outer barrel diameter, and inner cylinder lower part is 0.3~0.4 times of outer barrel with second reaction zone bottom spacing
Diameter.
In said program, the bending angle of the different setback plate is 60 °~90 °.Straight panel and the height ratio of different setback plate are
1:2~2:3.
The self-holding incineration system of municipal sludge desiccation pyrolytic gasification for implementing the utility model, has the advantages that：
1, the utility model is combined by system optimization, and technology controlling and process is convenient in the segmentation reaction of dry and pyrolytic gasification.Pyrolysis
The biomass gas generated that gasifies provides heat by hot-air system for predrying, and energy gradient, which utilizes, reduces system energy consumption,
Energy can be achieved to control oneself.
2, the utility model pyrolytic gasification is more thorough compared to carburizing reagent, and lime-ash can be used as the manufacture of the building materials such as cement after gasification
Additive or admixture, industrial chain is clearly ripe.Pyrolytic gasification is clean compared to anhydration and incineration tail gas, and no bioxin and flying dust are asked
Topic, vent gas treatment short flow.
3, the utility model is atomized desiccation using sludge at low temperature flue gas drying technique as leading portion sludge drying core equipment
Efficient, the time is short；Desiccation section combination spouted bed and fluidized bed principle can effectively control discharging 2~4mm of grain size after desiccation, effectively
It improves as the efficiency that is subsequently carbonized.
4, sludge is sent into after bag filter detaches using pneumatic conveying mode after the desiccation of the utility model sludge flue gas
Subsequent air-flow gasification furnace compares traditional helical feed or belt conveying mode, after making full use of the utility model desiccation
The particle size features of sludge have both saved conveying energy consumption, and the air-tightness of whole system is good, operating environment odorless, flour dust overflow.
5, the utility model is compared using flue gas convection drying heat recovery mode and uses waste heat boiler form, reduces
The energy dissipation and equipment investment, simple system of intermediate link are reliable.System footprint area is only the 1/2 of traditional anhydration and incineration
~2/3.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the self-holding incineration system of the utility model municipal sludge desiccation pyrolytic gasification；
Fig. 2 is the structural schematic diagram of air-flow gasification furnace.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, system of the utility model for sludge flue gas desiccation pyrolytic gasification includes that sewage sludge feed stores up dress
Set 1, flue gas desiccation apparatus 2, mud air separation 3, flue gas heat recovery device 4, pneumatic transport equipment 5, gas fluidized gas
Change stove 6, biogas clarifier 7, biogas hot-air system 8, alkali liquid washing tower 9, tail gas clean-up deodorization device 10, chimney
11。
Sewage sludge feed storage device 1 receives storehouse, several outlet valves and metering screw by sludge and forms, and municipal sludge is using close
Envelope formula transport vehicle or sludge pump are delivered to sludge in sewage sludge feed storage device and receive the balanced follow-up system flow of adjusting in storehouse, warp
Sludge receives orlop portion metering screw and measures and be delivered to flue gas desiccation apparatus；
Flue gas desiccation apparatus 2 includes drying cylinder, centrifugal spraying disk, hot air distributor, screw feeder and variable speed electric motors, particularly.
Flue gas desiccation apparatus 2 is using equipment disclosed in Chinese patent CN205115263U in the present embodiment.Sewage sludge feed is stored up
The conveying of device 1 carrys out dewatered sludge and is converted into small particle atomization state by the effect of drying equipment bottom centrifugal atomizer high speed centrifugation,
After atomization sludge and biogas hot-air system come waste heat flue gas exchanged by the caloic of bigger serface and by high speed from
Heart broken wall acts on, and by the moisture in sludge, evaporation is taken out of rapidly；Flue gas desiccation apparatus 2 is high specifically for dewatered sludge viscosity,
Traditional swinging or indirect heat exchange type drying equipment are easy the problems such as glutinous wall, blocking, low heat exchange efficiency and the device developed, pass through
High speed centrifugation atomization improves contact specific surface area of the sludge with high-temperature flue gas, and heat exchange is fully and the time only needs 6S, entire desiccation
System footprint area is small, work efficiency is high.
The furnace body of air-flow gasification furnace 6 includes clinker area 605, the first reaction zone 607, the outer barrel 608 of second reaction zone,
The inner cylinders 609 of two reaction zones, additive Fluidizer 606, fluidized air blower 611, predrying sludge import 603, reserved gasifying agent into
Mouth 601, combustion supporting burner 602, predrying sludge import 603, blocking valve 604, gas outlet 610.
Wherein air-flow gasification furnace 6 divides for clinker area 605, the first reaction zone 607, the region of second reaction zone three, barrel
Using thermal insulation material, and lined ceramics or smooth anti-corrosion material, it can be effectively prevent the corrosion of equipment, equipment is improved and use the longevity
Life.
The ratio of height to diameter of 1.2~1.4 times of 608 a diameter of first reaction zone, 7 diameter of second reaction zone outer barrel, outer barrel 608 is 2
~4.The spacing of the 0.7~0.85 of 609 a diameter of outer barrel 8 of inner cylinder, 609 top of inner cylinder and furnace body top plate is 0.3~0.6 times of outer barrel
608 diameter, 609 lower part of inner cylinder and the diameter that 608 bottom spacing of outer barrel is 0.3~0.4 times of outer barrel 608.Above structure overcomes
As gasification carries out, gasifying agent gradually consumes, and 6 interior air-flow speed of air-flow gasification furnace gradually increases, lead to unvaporized material
Take the defect outside air-flow gasification furnace 6 out of.
609 structure of inner cylinder is that top is straight panel, and lower part is different setback plate, and the bending angle of different setback plate is 60 °~90 °,
Straight panel is 1 with different setback plate height ratio:2~2:3.It is acted on by the baffling of inner cylinder, realizes cycle, gas in air-flow gasification furnace 6
Gasifying agent, the uniform distribution of temperature field for changing region, improve rate of gasification.
The lower part of first reaction zone 607 is equipped with reserved gasifying agent import 601, and the first reaction zone 607 is fluidized equipped with additive
Device 6 and predrying sludge inlet 603, Fluidizer are furnished with fluidized air blower 611.Predrying sludge is by pneumatic transport equipment predrying
Sludge inlet 603.Additive is sent into the layering of predrying sludge, and it is different from sludge grain size, calorific value to avoid adjunct
Lead to more materials cooperation gasification problems such as sludge flash burn or sludge coking conglomeration.Predrying sludge inlet 603 is located at addition
Expect 606 top of Fluidizer.It is sent into above structure and additive is sent by additive Fluidizer 606 by high pressure draught, by addition
Expect that centrifugation and gravity are sent into air-flow gasification furnace 6 in Fluidizer 606, form gas fluidization conditions, gasification reaction contact surface
Product is the several times of conventional fixed bed, and gasification reaction is rapid, thorough, and the vapor for generation of gasifying generates autocatalysis, is formed empty
Gas and the cooperation-gasified environment of vapor, improve fuel gases calorific value.
It is several that first reaction zone, 7 lower part is evenly arranged 2 combustion supporting burners, is arranged using symmetrical equilibrium, for startup stage
Air-flow gasification furnace 6 preheats and initial operating stage is combustion-supporting.Burner can be controlled according to material calorific value situation starts quantity.It avoids existing
Single burner causes uneven heating to weigh, the uncontrollable problem of gasification temperature field in furnace.
Biogas is used as predrying heat source after being sent into the processing of the clean units such as dehydration by top gas outlet 10 after gasification.
6 deslagging of air-flow gasification furnace is intermittent discharge mode, and lime-ash is stored in clinker area 605 after gasification, is sent into through slag conveyer
Follow-up utilization of ash and slag link.Blocking valve 604 is arranged in 605 lower part of clinker area, avoids gasification furnace gas during deslagging excessive.
Sludge is delivered to pyrolytic gasification in air-flow gasification furnace 6 by pneumatic transport equipment 5 and is degraded to lime-ash and heat after desiccation
It vents one's spleen, lime-ash sees that, for cement additive or admixture, physicochemical property and flyash are close after gasification.Also it can be used as roadbed material
The building materials utilization ways such as material.Pyrolysis gas enters through biogas clarifier 7 in biogas hot-air system 8 to be produced as biogas
Raw high-temperature hot-air is used for the heat source of flue gas desiccation apparatus 2.Using air-flow gasification furnace 6, after 2 desiccation of flue gas desiccation apparatus is utilized
The gas fluidized state of the small formation using pneumatic conveying mode of sludge grain size, 6 additive of air-flow gasification furnace use Fluidizer stream
Change, and predrying sludge and additive subregion enter reaction zone, solving adjunct and sludge grain size, calorific value difference causes
Sludge flash burn or sludge coking conglomeration, realize synergistic effect.The air-flow gasification furnace 6, gasification yield are fixed compared to conventional
Bed gasification furnace improves 20~30%.Gasification aerogenesis calorific value can reach 12~15MJ, improve biogas utility value.
The tail gas that flue gas desiccation apparatus 2 generates enters tail gas clean-up deodorization device 10, after mud air separation 3 will be dry
Flue gas heat recovery device 4 is sent into after sludge fine powder and tail gas separation, flue gas heat recovery device 4 is strong using fins
Change cross-ventilation heat exchange structure, air is sent into the combustion-supporting pyrolysis gas of hot-air system and auxiliary fuel after preheating, compares water cooling mode
The gradient for realizing energy utilizes.
Flue gas also can according to circumstances add oxygen through the 9 further cooling of alkali liquid washing tower and purified treatment after waste heat recovery
Agent, tail gas enters tail gas clean-up deodorization device 10 after purification, and tail gas clean-up deodorization device uses the deodorization of UV photoelectricity and activated carbon
The treatment process that catalytic adsorption tower combines handles rear flue gas up to standard and is discharged in a organized way through chimney 11.
Embodiment 2：
Certain 80%50 ton day of sewage plant dewatered sludge moisture content is sent into sewage sludge feed storage device 1 using dry dredge pump, into
Enter flue gas desiccation apparatus 2 and carry out desiccation, moisture content is reduced to 20~40%, is reduced to 12.5~16.67 tons.Sludge after desiccation
It is sent into air-flow gasification furnace 6 through pneumatic transport equipment 5, pyrolysis reaction temperature is 700~1000 DEG C, and 4.5 are generated through pyrolytic reaction
~5.2 tons of lime-ash and pyrolysis gas, lime-ash be sent into cinder tank after outward transport be transported to following resourceization utilize link, pyrolysis gas is through biology
Matter gas purifier 7 is sent into the dry heat that biogas hot-air system 8 generates high-temperature flue gas as flue gas desiccation apparatus 2 after purifying
Source.
Tail gas is inhaled through lye spray-absorption, the deodorization of UV photoelectricity, activated carbon catalysis in flue gas desiccation apparatus in the utility model
Attached equal tail gas clean-ups deodorization device 10 handle it is up to standard after by smoke stack emission.
The utility model preheats biomass thermal wind furnace combustion air using waste heat from tail gas, and the gradient for realizing energy utilizes,
Compared to the energy dissipation for reducing intermediate link using waste heat boiler stream mode, flue gas desiccation apparatus uses high speed centrifugation mist
Change, entire technique power consumption 40~55Kw/ ton wet mud moisture content 80% low compared to conventional helical agitating mode operation troubles rate, it is raw
75~90kg/ tons of wet muds of material consumption or mark 40~50kg/ tons of wet muds of consumption of coal.Compared to pyrolysis charring power consumption 75~
80Kw/ tons of wet muds, 57~62kg/ tons of wet muds of 70~75Nm3/ tons of wet muds of gas consumption or coal consumption, direct operating cost
Lower 15~20%.Compared to 90~120Kw/ tons of wet muds of anhydration and incineration technique power consumption, 70~80kg/ tons of wet muds of coal consumption, directly
Connecing operating cost reduces by 30% or more.
1100 ㎡ of Tthe utility model system floor space, unit sludge floor space are only 22m2/ tons of wet muds, Ke Yili
With idle land used arrangement in sewage plant, reduces the transportation cost that traditional sludge centrally disposes mode, be both suitble to small-scale sewage
Disperse disposition in factory of factory, is also adapted for large- and-medium size cities sewage plant and reduces specific resistance to filtration unit.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific implementation mode stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (9)
- The incineration system 1. a kind of municipal sludge desiccation pyrolytic gasification is controlled oneself, including sequentially connected sewage sludge feed storage device, cigarette Gas desiccation apparatus and mud air separation, which is characterized in that the sludge outlet of mud air separation bottom is sequentially connected gas Fluidized gasification stove, biogas clarifier, biogas hot-air system, the biogas hot-air system and the flue gas desiccation The smoke inlet of device connects；Sludge enters the separation of mud air separation after flue gas desiccation apparatus desiccation, and the sludge after separation is conveyed by pneumatic transport equipment Pyrolytic gasification is degraded to lime-ash and pyrolysis gas in air-flow gasification furnace, and pyrolysis gas enters biogas through biogas clarifier Hot-air system, in biogas hot-air system biogas burning generate high-temperature hot-air and be delivered to flue gas desiccation apparatus.
- The incineration system 2. municipal sludge desiccation pyrolytic gasification according to claim 1 is controlled oneself, which is characterized in that the mud gas The exhanst gas outlet on separator top is sequentially connected flue gas heat recovery device, alkali liquid washing tower, tail gas clean-up deodorization dress It sets and chimney.
- The incineration system 3. municipal sludge desiccation pyrolytic gasification according to claim 1 is controlled oneself, which is characterized in that the air-flow Change gasification furnace, including furnace body, the furnace body sets gradually clinker area, the first reaction zone and second reaction zone from bottom to up, described First reaction zone is equipped with additive Fluidizer and predrying sludge inlet, and the predrying sludge inlet is located at addition stream Change device top, the additive Fluidizer is connect with fluidized air blower, and the second reaction zone includes outer barrel and inner cylinder, the inner cylinder Top be straight panel, lower part is different setback plate, and the top of the second reaction zone is equipped with gas outlet, and the lower part of the first reaction zone is set There is reserved gasifying agent import.
- The incineration system 4. municipal sludge desiccation pyrolytic gasification according to claim 3 is controlled oneself, which is characterized in that the lime-ash The bottom ashe outlet in area is equipped with blocking valve.
- The incineration system 5. municipal sludge desiccation pyrolytic gasification according to claim 3 is controlled oneself, which is characterized in that the furnace body Barrel use thermal insulation material, and the anti-corrosion material that liner is smooth.
- The incineration system 6. municipal sludge desiccation pyrolytic gasification according to claim 3 is controlled oneself, which is characterized in that described first The lower part of reaction zone is equipped with multiple combustion supporting burners.
- The incineration system 7. municipal sludge desiccation pyrolytic gasification according to claim 3 is controlled oneself, which is characterized in that described second The outer barrel diameter of reaction zone is 1.2~1.4 times of the first reaction zone, and the ratio of height to diameter of the second reaction zone is 2~4.
- The incineration system 8. municipal sludge desiccation pyrolytic gasification according to claim 3 is controlled oneself, which is characterized in that described second The inner diameter of steel flue of reaction zone is the 0.7~0.85 of outer barrel diameter, and inner cylinder top and the spacing of furnace body top plate are outer for 0.3~0.6 times Cylinder diameter, inner cylinder lower part are 0.3~0.4 times of outer barrel diameter with second reaction zone bottom spacing.
- The incineration system 9. municipal sludge desiccation pyrolytic gasification according to claim 3 is controlled oneself, which is characterized in that the different wave The bending angle of folded plate is 60 °~90 °, and the height ratio of straight panel and different setback plate is 1:2~2:3.
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| CN201721575838.9U CN207646043U (en) | 2017-11-21 | 2017-11-21 | Municipal sludge desiccation pyrolytic gasification is controlled oneself incineration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107721112A (en) * | 2017-11-21 | 2018-02-23 | 湖北加德科技股份有限公司 | Municipal sludge desiccation pyrolytic gasification is controlled oneself CIU |
| CN112745136A (en) * | 2021-01-13 | 2021-05-04 | 华中科技大学 | External heating type light sludge ceramsite firing method based on biomass micron fuel |
-
2017
- 2017-11-21 CN CN201721575838.9U patent/CN207646043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107721112A (en) * | 2017-11-21 | 2018-02-23 | 湖北加德科技股份有限公司 | Municipal sludge desiccation pyrolytic gasification is controlled oneself CIU |
| CN107721112B (en) * | 2017-11-21 | 2024-02-02 | 湖北加德科技股份有限公司 | Municipal sludge drying pyrolysis gasification self-sustaining incineration system |
| CN112745136A (en) * | 2021-01-13 | 2021-05-04 | 华中科技大学 | External heating type light sludge ceramsite firing method based on biomass micron fuel |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Municipal sludge drying pyrolysis gasification self-maintaining incineration system Effective date of registration: 20181228 Granted publication date: 20180724 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: Hubei Jiade Technology Co., Ltd. Registration number: 2018420000080 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191224 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co., Ltd. Pledgor: Hubei Jiade Technology Co., Ltd. Registration number: 2018420000080 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Municipal sludge drying pyrolysis gasification self-maintaining incineration system Effective date of registration: 20191227 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co., Ltd. Pledgor: Hubei Jiade Technology Co., Ltd. Registration number: Y2019420000042 |
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Date of cancellation: 20201222 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI JIADE TECHNOLOGY Co.,Ltd. Registration number: Y2019420000042 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Municipal sludge drying pyrolysis gasification self-sustaining incineration system Effective date of registration: 20201230 Granted publication date: 20180724 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI JIADE TECHNOLOGY Co.,Ltd. Registration number: Y2020420000088 |
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