CN101367680A - Spiral mixing apparatus for forced ventilation and oxygenation - Google Patents

Spiral mixing apparatus for forced ventilation and oxygenation Download PDF

Info

Publication number
CN101367680A
CN101367680A CNA200810073792XA CN200810073792A CN101367680A CN 101367680 A CN101367680 A CN 101367680A CN A200810073792X A CNA200810073792X A CN A200810073792XA CN 200810073792 A CN200810073792 A CN 200810073792A CN 101367680 A CN101367680 A CN 101367680A
Authority
CN
China
Prior art keywords
pipe
vent
spiral
fermentation
ventilation
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.)
Granted
Application number
CNA200810073792XA
Other languages
Chinese (zh)
Other versions
CN101367680B (en
Inventor
邓秀泉
邓秀汕
邓秀峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Liyuanbao Technology Co Ltd
Original Assignee
GUANGXI LIYUAN NEW RESOURCE DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GUANGXI LIYUAN NEW RESOURCE DEVELOPMENT Co Ltd filed Critical GUANGXI LIYUAN NEW RESOURCE DEVELOPMENT Co Ltd
Priority to CN200810073792XA priority Critical patent/CN101367680B/en
Publication of CN101367680A publication Critical patent/CN101367680A/en
Application granted granted Critical
Publication of CN101367680B publication Critical patent/CN101367680B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02Stirrer or mobile mixing elements
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/18Flow directing inserts
    • C12M27/24Draft tube

Abstract

The invention discloses a forced ventilation and oxygen increasing device for spiral agitating, including a gas supplying device, a spiral agitator and a ventilation tube. The gas device and the spiral agitator are mounted on a framework which can move along the track of a fermenter. A primary ventilation tube is arranged above the spiral agitator. The outlet of the gas device is connected with the primary ventilation tube. The primary ventilation tube is connected with a secondary ventilation tube and then is connected with a branch ventilation tube. The branch ventilation tube is arranged at the two sides of the spiral agitator. An air outlet is arranged at the lower part or the side of the branch ventilation tube. The lower end of the branch ventilation tube is connected with the bottom of a feeding groove. At the time of agitating fermentation material, the spiral agitator can ensure that air can go through a material layer. The pressure and the flow rate of the air conform to material kind, fermentation period and material thickness. The forced ventilation and oxygen increasing of the material is realized and the fermentation condition of the material is improved effectively. Fermentation period is shortened by 70 percent and the turnover rate of a fermentation plant is improved by 50 percent. The cost on the facilities and the fermentation equipment of the fermentation plant is reduced 50 percent. The energy consumption of fermentation manufacture process is reduced more than 50 percent.

Description

Spiral mixing apparatus for forced ventilation and oxygenation
Technical field
The invention belongs to the fermentation equipment field, be applied to organic materialss such as various fertilizer, feed and food and carry out in the aerobic fermentation process, be specifically related to a kind ofly when fermentation materials is turned, realize device material forced ventilation oxygenation operation.
Background technology
In the daily production of enterprise, when organic materialss such as fertilizer, feed and food are carried out aerobic fermentation, fresh air can't enter material inside in the process owing to turning, have only the material of being translated into the stockpile surface to have an opportunity to touch fresh air, and inner material can't touch fresh air at all, so very undesirable to the aeration-cooling and oxygenation effect of fermentation materials.Can not get competent oxygen supply owing to participate in the aerobic microbiological of fermentation, and the fermentation materials internal heat can't fully exchange with extraneous air, it is inner because the damp and hot water vapor that high temperature forms can not get in time fully evaporation, the material internal temperature can not effectively be regulated fast, make material can not often be in best fermentation state, cause the material fermentation period long, the turnover rate and the utilization ratio of fermentation plant have been reduced, strengthened the investment of enterprise to fermentation plant facility and fermentation equipment, also increase the energy consumption in the fermentation production process simultaneously, influenced economic benefit of enterprises.
In order to improve existing fertilizer, the ventilation situation of the aerobic fermentation of feed and food, some have designed the stirring ventilation installation of various structures in recent years, Chinese patent for example: 1, application number: 200620030783.9, name is called: spiral screening apparatus ventilation plant, relate to a kind of spiral screening apparatus ventilation plant of realizing when fermentation materials is turned the forced ventilation operation of material, comprise the cored screw axle that is located on the spiral screening apparatus frame, on the cored screw axle, have the hole, air feed equipment is connected with the cored screw axle by air line, have the fermentation materials forced ventilation, improve the fermentation condition of material, strengthen ferment effect, shorten the advantage of fermentation period.Another part Chinese patent: 2, application number: 200720107020.4, name is called: a kind of organic refuse horizontal multiple-chamber processing unit discloses a kind of organic refuse horizontal multiple-chamber processing unit.It is made up of fermentation unit, whipping appts, feeding device, heating unit, ventilation plant and leachate recycle device.This device utilizes a plurality of horizontal fermentation cabin that organic waste is carried out biological fermentation, by spiral propeller convey materials in enclosed space, and utilizes whipping appts to assist cloth, and the height of treatment unit is greatly reduced.Simultaneously, utilize the acting in conjunction of heating unit, ventilation plant, leachate recycle device and whipping appts, provide fermentation required optimum condition.Repacking is put and can in the short cycle organic waste be converted into harmless organic fertilizer, realizes the recycling treatment of rubbish.3, Chinese patent application number: 02241094.5 also discloses a kind of fermented storehouse of the rubbish that is used to handle domestic refuse, include fermentation warehouse and the feeding conveyor that is configured in above the warehouse, bulkhead is arranged in each both sides, warehouse bottom, unit of its fermentation cabin, and blast inlet under being tilted to is set, two adjacent inclination bulkheads constitute a trilateral vented cavity, and the ventilation opening that links to each other with outer air feed machine is separately positioned on central authorities at the bottom of each vented cavity; Be respectively arranged with discharge port in the bottom of each unit warehouse and assemble spiral discharging machine respectively, be provided with in the one side with each discharging machine phase configuration and ooze drop liquid irrigation canals and ditches, opposite side disposes the total discharging spiral conveyor of fermentation cabin.This fermentation cabin adopts " V " shape storehouse bottom structure, and be tilted to blast inlet down and have storehouse, the unit spiral discharging machine and the total discharging spiral conveyor of fermentation cabin of oozing drop liquid discharge function with disposing at the bottom of " V " shape storehouse being provided with on the inclination bulkhead, make in the fermentation cabin heap layer ooze the discharge of drop liquid and the air feed oxygen supply is stable, evenly, reliable, refuse treatment is effective, the operating automation degree height.
From above-mentioned disclosed document, recognize, when organic materialss such as fertilizer, feed and food are carried out aerobic fermentation, generally be to carry out in fermentation cabin, be to provide air that the fermented organic material is forced stirring, ventilation and oxygenation with blower fan or air compressor in the hopper of fermentation cabin, make fresh air enter material inside, introduce heating unit and the ventilation plant coupling that has in the document 2, introduce the blast inlet that is provided with on the inclination bulkhead that has under being tilted in the document 3.But above-mentioned stirring, ventilator are subjected to the influence and the restriction of its structure and principle of work, and material just stirs up and down in the original place, can not make material effectively aerobic, need heat, and have also increased the energy consumption in the fermentation production process.Document 1 proposes to have installed additional forced ventilation device on stack turner, that is: by being arranged on the cored screw axle on the spiral screening apparatus frame, perforate on the cored screw axle, air feed equipment is connected with the cored screw axle by air line, when turning operation, the cored screw axle rotates under the driving of screening apparatus transmission rig, material is turned, air feeder starts simultaneously, air communication is crossed air line and is entered the cored screw axle, as if the production well that passes on the cored screw axle axial wall enters in the fermentation materials, and this structure can have been strengthened ventilation, but do not have actual effect substantially in production application.Because be subjected to the restriction of the screw shaft diameter of axle, in order to guarantee the physical strength of screw shaft, passing the air vent aperture of screw shaft can only open very for a short time, probably between 10-15mm, therefore air feed equipment is very little by the air pressure that this pore infeeds the cored screw axle, flow is also very little, just can't permeate and penetrate material at all, still not reach for the purpose of fermentation materials forced ventilation oxygenation.Therefore, increase this effect of installing the back screening apparatus and almost do not obtain substantial improvement.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of can be according to the difference of fermentation materials kind, fermentation period and fermentation materials thickness, the pressure that adapts with it and the air penetration fermentation materials of flow are all arranged, really improve the fermentation condition of material, strengthen ferment effect, shorten the spiral mixing apparatus for forced ventilation and oxygenation of fermentation period greatly.
The object of the present invention is achieved like this: spiral mixing apparatus for forced ventilation and oxygenation be in the fermenter of existing warehouse formula, be provided with ventilation plant and the spiral device that turns, it comprises air feed equipment, spiral device and the vent-pipe of turning, air feed equipment and the spiral device that turns are installed on the frame, frame can move along the track of fermenter, be characterized in: the spiral top that turns device is provided with the main ventilation pipe, the air feed equipment outlet connects the main ventilation pipe, main ventilation Guan Yuci vent-pipe connects, inferior vent-pipe is connected with a vent-pipe again, prop up vent-pipe and be arranged on the spiral both sides that turn device, air outlet is at a vent-pipe bottom or a side, prop up the vent-pipe lower end near hopper bottom (can not run into bottom land) in order to avoid it is not smooth to ventilate.
Above-described air feed equipment is blower fan, air compressor or gas cylinder.
The above-described spiral device that turns is at least two, and a vent-pipe also is at least two.
Above-described vent-pipe is connected with a vent-pipe, can pass through ring flange, valve or special pipe and connect, or directly weld.
Be separately installed with main inlet control valve on above-described main ventilation pipe and time vent-pipe.
Above-described vent-pipe is two or more, and the cross section is circle, ellipse, rhombus or olive shape.
Above-described vent-pipe on adjacent two screw shaft medial axis, quantity symmetry such as frame both sides installs, perhaps unequal number amount symmetry is installed; Etc. the asymmetric installation of quantity; Mounting means is vertical or has the installation of certain inclination angle.
The invention has the beneficial effects as follows, can make the spiral screening apparatus when fermentation materials is turned, can guarantee and material variety, the pressure that fermentation period and material thickness adapt and the air of flow pass from material bed, real forced ventilation and the oxygenation that realizes material, effectively improve the fermentation condition of material, significantly improve ferment effect, can make fermentation period shorten more than 70%, the turnover rate of fermentation plant improves more than 50%, enterprise can reduce more than 50% to the investment of fermentation plant facility and fermentation equipment, energy consumption in the fermentation production process can reduce more than 50% simultaneously, significantly improves economic benefit of enterprises.
Description of drawings
Fig. 1 is the structural representation of spiral mixing apparatus for forced ventilation and oxygenation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the synoptic diagram of oval (olive shape) vent-pipe.
Embodiment
Following embodiment is wherein a kind of structure of technique scheme, but protected mode is not limited to present embodiment.
As shown in Figure 1 and Figure 2, comprise the air feed equipment 2 that is arranged on the frame 1, be connected with 5 by the inferior ventilator trunk 4 of a main ventilation pipeline 3 with the vertical both sides of frame direction of travel, inferior ventilator trunk 4 and 5 adjacent two spirals of correspondence turn device 6 intermediary axial location under symmetrical perforate and weld horizontal ring flange 7 and 8, inferior ventilator trunk 4 is connected with a vertical vent-pipe 9 of installing and stretch into fermentation materials stockpile bottom with 8 by ring flange 7 with 5.Described air feed equipment 2 is blower fan, air compressor or gas cylinder; On the described main ventilation pipeline 3 main inlet control valve 10 is installed; Described ventilator trunk 4 and 5 and main ventilation pipeline 3 on main inlet control valve 10 between time variable valve 11 and 12 is installed; Described ring flange 7 and 8 be arranged on time ventilator trunk 4 and 5 with prop up between the vent-pipe 9; Described ventilator trunk 4 and 5 with a vent-pipe 9 between also can be connected with straight-through spiral work; Described ventilator trunk 4 and 5 and a vent-pipe 9 between also directly welding; Described spiral turns device 6 and is at least two; Described vent-pipe 9 is at least two; Described vent-pipe 9 horizontal sections are ellipse, prismatic, circle or olive constant current contour shape or non-streamline; Described vent-pipe 9 on adjacent two screw shaft 6 medial axis, frame 1 both sides are vertical etc., and the quantity symmetry is installed or asymmetric installation, and is perhaps vertical etc., and quantity part symmetry installs, the asymmetric installation of part; Perhaps unequal number amount part symmetry is installed the asymmetric installation of part; Perhaps unequal number amount, complete asymmetric installation; Vent-pipe 9 can have certain inclination angle and install simultaneously or have certain inclination angle and install simultaneously in frame 1 both sides, also can select different vent-pipe 9 and mounting means according to different materials, for example for the bigger grain (corn of particle, soybean or paddy), it is circular that vent-pipe 9 is selected the cross section for use, quantity symmetry such as vertical is installed, the fermentation of or pig, cattle and sheep grave poor for alcohol with certain stickiness, it is olive shape that vent-pipe 9 is selected the cross section for use, air outlet is at a vent-pipe bottom or a side, prop up vent-pipe length near the hopper bottom, when frame when the track of fermenter moves, vent-pipe 9 is not subjected to big resistance, ventilation effect is good.
Structure of the present invention and principle of work further describe as follows:
Spiral turns device 6 and rotates under the driving of screening apparatus transmission rig, material is turned, air feed equipment 2 starts simultaneously, and the air with certain pressure that is produced enters in the fermentation materials that is stirring by the nose end of the main inlet control valve on the main ventilation pipe 3 10, inferior variable valve 11 and 12, frame both sides time vent- pipe 4 and 5, a vent-pipe 9.
On the architecture basics of existing spiral screening apparatus, the present invention increases air feed equipment, and the inferior vent-pipe by main ventilation pipe, variable valve, frame both sides, ring flange and a vent-pipe are connected together.Spiral turning ventilation oxygen-increasing device when work, the air with certain pressure that ventilation apparatus produced enters in the fermentation materials that is stirring by inferior vent-pipe, ring flange and a vent-pipe of main ventilation pipe, variable valve, frame both sides, thereby obtains good ventilation oxygenation effect.Owing to adopt the frame both sides that a vent-pipe is set, increased the quantity of vent-pipe, guaranteed enough draught areas, many tens times even cross hundred times of the comparable use cored screw of the air quantity that provides in material axle supply technology are provided.And ellipse or rhombus, olivary streamline appearance are adopted in vent-pipe horizontal section, can reduce its resistance in material again, guarantee to turn the smooth walking of device in material.According to the difference of fermentation materials kind and material thickness, outfit can be regulated the air feed equipment of blast and wind flow, and the pressure that makes its air feed and flow can satisfy the needs in different groove widths, material thickness and different fermentations period.Main inlet control valve on the main ventilation pipe can be regulated the total wind pressure and the flow of air feed equipment; According to the difference of screening apparatus direct of travel, can obtain the blast and the flow that adapt with every side respectively by the inferior variable valve on the inferior vent-pipe of regulating the frame both sides.

Claims (7)

1. spiral mixing apparatus for forced ventilation and oxygenation, be in the fermenter of existing warehouse formula, be provided with ventilation plant and the spiral device that turns, it comprises air feed equipment (2), spiral device (6) and the vent-pipe of turning, air feed equipment (2) and the spiral device that turns are installed on the frame (1), frame can move along the track of fermenter, it is characterized in that: spiral (6) top that turns device is provided with main ventilation pipe (3), air feed equipment (2) outlet connects main ventilation pipe (3), main ventilation pipe (3) is connected with time vent-pipe (5), inferior vent-pipe (5) is connected with a vent-pipe (9) again, prop up vent-pipe (9) and be arranged on the spiral both sides that turn device (6), air outlet is at a vent-pipe bottom or a side, and a vent-pipe lower end is near the hopper bottom.
2. spiral mixing apparatus for forced ventilation and oxygenation according to claim 1 is characterized in that: air feed equipment (2) is blower fan, air compressor or gas cylinder.
3. spiral mixing apparatus for forced ventilation and oxygenation according to claim 1 is characterized in that: the described spiral device (6) that turns is at least two, and a vent-pipe (9) also is at least two.
4. spiral mixing apparatus for forced ventilation and oxygenation according to claim 1 is characterized in that: described vent-pipe (5) is to connect by ring flange, valve or special pipe with being connected of a vent-pipe (9), or directly welding.
5. spiral mixing apparatus for forced ventilation and oxygenation according to claim 1 is characterized in that: be separately installed with main inlet control valve on described main ventilation pipe (3) and time vent-pipe (5).
6. spiral mixing apparatus for forced ventilation and oxygenation according to claim 1 is characterized in that: described vent-pipe (9) is two or more, and the cross section is circle, ellipse, rhombus or olive shape.
7. spiral mixing apparatus for forced ventilation and oxygenation according to claim 1 is characterized in that: described vent-pipe (9) on adjacent two screw shaft medial axis, quantity such as frame both sides symmetry installs, perhaps unequal number amount symmetry is installed; Etc. the asymmetric installation of quantity; Mounting means is vertical or has the installation of certain inclination angle.
CN200810073792XA 2008-09-19 2008-09-19 Spiral mixing apparatus for forced ventilation and oxygenation Active CN101367680B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810073792XA CN101367680B (en) 2008-09-19 2008-09-19 Spiral mixing apparatus for forced ventilation and oxygenation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810073792XA CN101367680B (en) 2008-09-19 2008-09-19 Spiral mixing apparatus for forced ventilation and oxygenation

Publications (2)

Publication Number Publication Date
CN101367680A true CN101367680A (en) 2009-02-18
CN101367680B CN101367680B (en) 2013-01-30

Family

ID=40411711

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200810073792XA Active CN101367680B (en) 2008-09-19 2008-09-19 Spiral mixing apparatus for forced ventilation and oxygenation

Country Status (1)

Country Link
CN (1) CN101367680B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011035701A1 (en) * 2009-09-23 2011-03-31 广西力源新资源开发有限公司 Fermentation stirrer of spiral type
CN102924131A (en) * 2012-10-30 2013-02-13 湖南深拓智能设备股份有限公司 Horizontal aerobic fermentation reactor and aerobic fermentation reaction method
CN103332975A (en) * 2013-07-23 2013-10-02 广西力源宝农林科技发展有限责任公司 Side air inlet type ventilation and oxygenation system of spiral fermentation stirring machine
CN109354357A (en) * 2018-12-17 2019-02-19 东北大学 The compensation aeration of one kind exempts from turning aerobic fermentation device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2376472Y (en) * 1999-05-27 2000-05-03 金春植 Urine fermentive concentrating apparatus
CN200952009Y (en) * 2006-07-24 2007-09-26 郑州万谷机械有限公司 Spiral agitator ventilating device
CN201272751Y (en) * 2008-09-19 2009-07-15 广西力源新资源开发有限公司 Spiral turning forced ventilation and oxygenation apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011035701A1 (en) * 2009-09-23 2011-03-31 广西力源新资源开发有限公司 Fermentation stirrer of spiral type
CN102924131A (en) * 2012-10-30 2013-02-13 湖南深拓智能设备股份有限公司 Horizontal aerobic fermentation reactor and aerobic fermentation reaction method
CN103332975A (en) * 2013-07-23 2013-10-02 广西力源宝农林科技发展有限责任公司 Side air inlet type ventilation and oxygenation system of spiral fermentation stirring machine
CN103332975B (en) * 2013-07-23 2015-04-22 广西力源宝科技有限公司 Side air inlet type ventilation and oxygenation system of spiral fermentation stirring machine
CN109354357A (en) * 2018-12-17 2019-02-19 东北大学 The compensation aeration of one kind exempts from turning aerobic fermentation device

Also Published As

Publication number Publication date
CN101367680B (en) 2013-01-30

Similar Documents

Publication Publication Date Title
CN101670248A (en) Spiral type fermentation turner
CN104404087B (en) A kind of process and its fermentation system that biological flue gas is produced using high concentration organic waste
CN201272751Y (en) Spiral turning forced ventilation and oxygenation apparatus
CN108101600A (en) A kind of villages and small towns mixing organic solid castoff aerobic composting device
CN106116734A (en) The aerobic composting device of organic solid castoff and aerobic compost method
CN206828411U (en) A kind of self-tipping type multilayer organic fertilizer high-temperature solid fermentation system device
CN101367680B (en) Spiral mixing apparatus for forced ventilation and oxygenation
CN205907262U (en) Anaerobism fermenting installation is united to good oxygen integral type
CN104529578A (en) Method for producing organic fertilizer by using sugar refining filter mud and bagasse
CN110591896A (en) Harmless closed treatment equipment and process for excrement in area
CN103130530B (en) Kitchen waste microbe processor
CN210419798U (en) Organic fertilizer fermentation device convenient to operate
CN105602843A (en) Continuous horizontal dry-process anaerobic fermentation system
CN111362738A (en) High-efficient drum-type aerobic composting reaction device who returns muddy
KR200463146Y1 (en) Apparatus for composting treatment of organic wastes
CN104261926B (en) A kind of horizontal spiral agitating type straw compost generation equipment
CN108147858A (en) A kind of stage air blast composting device
CN105907630A (en) Large-sized methane solid fermentation apparatus and usage thereof
CN212800332U (en) Vertical aerobic fermentation tank with stable air supply effect
CN103102193A (en) Movable microbial fermentation system based on farmland straw wastes
KR102543944B1 (en) Anaerobic double fermenter
CN206127311U (en) Solid high -ternperature aerobic zymolysis reaction system
CN208960598U (en) One kind is died of illness poultry innocuity disposal system
CN208055226U (en) A kind of stage air blast composting device
CN111729922A (en) Kitchen waste treatment system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20090218

Assignee: Guangxi Liyuanbao Science And Technology Co., Ltd.

Assignor: Guangxi Liyuan New Resource Development Co., Ltd.

Contract record no.: 2013450000077

Denomination of invention: Spiral mixing apparatus for forced ventilation and oxygenation

Granted publication date: 20130130

License type: Common License

Record date: 20130828

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
ASS Succession or assignment of patent right

Owner name: GUANGXI LIYUANBAO SCIENCE AND TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: GUANGXI LIYUAN NEW RESOURCES DEVELOPMENT CO., LTD.

Effective date: 20150630

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150630

Address after: 530033 the Guangxi Zhuang Autonomous Region Nanning Hong Lilu No. 10

Patentee after: Guangxi Liyuanbao Science And Technology Co., Ltd.

Address before: 535000, the Guangxi Zhuang Autonomous Region, Qinzhou, Qinzhou port ditch operating area

Patentee before: Guangxi Liyuan New Resource Development Co., Ltd.