CN208649324U - A kind of horizontal continuous anaerobic fermentation tank of steel - Google Patents
A kind of horizontal continuous anaerobic fermentation tank of steel Download PDFInfo
- Publication number
- CN208649324U CN208649324U CN201821277683.5U CN201821277683U CN208649324U CN 208649324 U CN208649324 U CN 208649324U CN 201821277683 U CN201821277683 U CN 201821277683U CN 208649324 U CN208649324 U CN 208649324U
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- blender
- tank body
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- anaerobic fermentation
- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 238000000855 fermentation Methods 0.000 title claims abstract description 29
- 210000000232 gallbladder Anatomy 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 210000001331 nose Anatomy 0.000 claims 8
- 238000007599 discharging Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000010815 organic waste Substances 0.000 abstract description 7
- 239000002002 slurry Substances 0.000 abstract description 6
- 239000002054 inoculum Substances 0.000 abstract description 2
- 238000010992 reflux Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
A kind of horizontal continuous anaerobic fermentation tank of steel, belongs to technical field of anaerobic fermentation equipment.The tank gallbladder is steel sealed horizontal hollow cylinder, has multiple ribs along tank gallbladder axial alignment on tank gallbladder, the multiple ribs lower end is each attached on ground；When blender quantity is one, blender both ends are rotated with tank body and airtight connection, and the decelerating motor is arranged on the outside of tank body and is sequentially connected with blender；When blender quantity is two, two abutting ends of described two blenders respectively pass through sliding bearing and connect with centre frame.The utility model is the horizontal continuous anaerobic fermentation tank of steel, and the horizontal pulling flow type suitable for organic waste ferments, and heats in vapor tight tank body and is sufficiently mixed in the environment of heat preservation with inoculum and the biogas slurry of reflux.The blender of the utility model is equipped with hollow agitating shaft, keeps buoyancy suffered by blender and self weight almost equal, can reduce power consumption.
Description
Technical field
The utility model belongs to anaerobic fermentation equipment technical field, more particularly to a kind of horizontal continuous anaerobic fermentation tank.
Background technique
Domestic existing large and medium-sized industrialized anaerobic fermentation tank is mostly vertical CSTR full mixed anaerobic zymotechnique tank and lacks
The horizontal full mixed anaerobic fermentor of number, with the development of anaerobic ferment process, especially large and medium-sized continuous anaerobic fermentation technique
In, factor of created gase is low in actual operation for full mixed anaerobic fermentor, and thermal losses is big, part after organic waste mixes entirely in tank
Virgin material can be discharged, and demurrage, which is difficult to ensure, wastes resource, the material in fermentor be also easy to appear viscous flow, slip-stream, precipitating,
The phenomenon that dross, so that the efficiency of fermentation is affected, in order to solve this problem, often to each fermentor in existing technology
Installation three or more blender allows the material in tank all to rotate, inevitably increases investment and increase power consumption by stirring,
Operating cost is increased, while not can avoid virgin material discharge problem again.Limited to by full mixed anaerobic zymotechnique, dry substance concentration
It is limited in 8% or so, fermentor cannot be allowed efficiently to utilize, it is all very low that volume produces gas.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of horizontal continuous anaerobism of steel of big volume
Fermentor.
The utility model provides the following technical solutions: a kind of horizontal continuous anaerobic fermentation tank of steel, including tank body, one or
Two blenders and one or two decelerating motor；The tank body includes: tank gallbladder and multiple ribs, and the tank gallbladder is sleeping for steel
Formula closed hollow cylinder has multiple ribs along tank gallbladder axial alignment on tank gallbladder, and the multiple ribs lower end is each attached to
On ground；When blender quantity be one when, one blender is horizontally set at tank body center, blender both ends with
Tank body rotation and airtight connection, the decelerating motor are arranged on the outside of tank body and are sequentially connected with blender；
When blender quantity is two, described two blenders are co-axially located at tank body center, described two stirrings
Two abutting ends of device respectively pass through sliding bearing and connect with centre frame, and the centre frame is fixedly connected with tank body inner peripheral surface, and two
Two phase backsides of a blender are rotated with tank body and airtight connection, and described two decelerating motors are arranged on the outside of tank body simultaneously
It is sequentially connected respectively with corresponding blender.
The utility model has the beneficial effects that:
1. the utility model is the horizontal continuous anaerobic fermentation tank of steel, volume can arbitrarily be replicated by design requirement, be applicable in
It ferments in the horizontal pulling flow type of organic waste, organic waste enters from feed opening, heats and keeps the temperature in vapor tight tank body
It is sufficiently mixed under environment with inoculum and the biogas slurry of reflux, step-by-step movement plug-flow is realized by blender, it is ensured that organic waste
In tank intracorporal demurrage.To sufficiently realize that anaerobic fermentation, stepping plug-flow do not have virgin material exclusion.
2. the blender of the utility model is equipped with hollow agitating shaft, make buoyancy suffered by blender and self weight almost phase
Deng can reduce power consumption, and agitating shaft is increased and stirred by being sequentially connected in series between multistage hollow shaft by connecting flange
Mix the rigidity of axis entirety.
It is sufficiently stirred 3. the utility model is axial since blender is done, keeps the unlikely appearance of organic waste in tank body stagnant
Phenomena such as stream, slip-stream, precipitating, dross.
4. the utility model realizes a variety of concentration high temperature anaerobic fermentations, biogas slurry all flows back, and realizes organic waste work
Industry producing methane, safety and environmental protection is pollution-free, and the requirement of operator's quantity is low, drastically reduces labour.
Detailed description of the invention
Fig. 1: the utility model main view；
Fig. 2: Fig. 1 right view；
Fig. 3: Fig. 1 axonometric drawing；
Fig. 4: Fig. 1 tank gallbladder and ribs structural schematic diagram；
Fig. 5: Fig. 1 center frame structure schematic diagram；
Fig. 6: Fig. 1 axis support component structural schematic diagram；
Blender axonometric drawing in Fig. 7: Fig. 1；
Fig. 8: Fig. 7 main view；
Fig. 9: Fig. 8 right view figure；
Figure 10: Fig. 8 flange seam allowance schematic diagram；
Figure 11: Fig. 1 portion A enlarged drawing；
Figure 12: Fig. 1 portion B enlarged drawing；
Figure 13: Fig. 3 portion C enlarged drawing；
Wherein: 1- tank body；1-1- tank gallbladder；1-2- feed opening；1-3- discharge hole；1-4- ribs；1-5- biogas output pipe；
1-6- observation window；1-7- manhole；Access hole under 1-8-；1-9- pressure sensor；1-10- temperature sensor；2- heating tube；3-
Base；4- blender；4-1- hollow shaft；4-2- connecting flange；4-3- blade；4-4- spindle nose；4-5- centre frame；4-51- sliding axle
It holds；4-52- connecting rod；4-6- location hole；4-7- seal groove；4-8- sealing joint strip；4-9- connection bolt；4-10- air inflation nozzle；4-
11- pressure gauge；5- axis support component；5-1- ball bearing；5-2- support frame；6- shaft seal assembly；7- decelerating motor；7-1- subtracts
Fast machine toggle；8- insulating layer；9- external protection；10- positive/negative pressure protector；11- workbench；12- bracket.
Specific embodiment:
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is practical based on this
Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.
As shown in FIG. 1 to FIG. 6, Figure 11~Figure 13, a kind of horizontal continuous anaerobic fermentation tank of steel, including tank body 1, one or
Two blenders 4 and one or two decelerating motor 7；
The tank body 1 includes: tank gallbladder 1-1 and multiple ribs 1-4, and the tank gallbladder 1-1 is steel sealed horizontal open circles
Cylinder has multiple ribs 1-4 along tank gallbladder 1-1 axial alignment on tank gallbladder 1-1, and the lower end the multiple ribs 1-4 is each attached to
On ground 3；
When 4 quantity of blender is one, one blender 4 is horizontally set at 1 center of tank body, and 4 liang of blender
End is rotated with tank body 1 and airtight connection, and the setting of decelerating motor 7 is sequentially connected in 1 outside of tank body and with blender 4；
When 4 quantity of blender is two, described two blenders 4 are co-axially located at 1 center of tank body, described two to stir
Two abutting ends for mixing device 4 respectively pass through sliding bearing 4-51 and connect with centre frame 4-5, the centre frame 4-5 and 1 inner periphery of tank body
Face is fixedly connected, and two phase backsides of two blenders 4 are rotated with tank body 1 and airtight connection, and described two decelerating motors 7 are
Setting is in 1 outside of tank body and is sequentially connected respectively with corresponding blender 4.
The tank gallbladder 1-1 is spliced after curving annular shape by multistage steel plate, per adjacent two sections of circular steel plates by
Ribs 1-4 support connection.
When 4 quantity of blender is one, 4 both ends of blender are provided with spindle nose 4-4, support and closed hollow shaft
4-1；
It is mounted on seal assembly 6 in the central through hole that 1 both ends of tank body are equipped with, prevents biogas slurry and gas in tank body 1
Leakage；
Described two spindle nose 4-4 sequentially pass through corresponding seal assembly 6 and corresponding bearing support assemblies 5 and and bearing
The ball bearing 5-1 of support component 5 is fixedly connected, one of axis in 7 output shaft of decelerating motor and two spindle nose 4-4
Head 4-4 is fixedly connected；
When the quantity of blender 4 is two, each described 4 one end of blender is provided with spindle nose 4-4, supports and closed
Hollow shaft 4-1；
It is mounted on seal assembly 6 in the central through hole that 1 both ends of tank body are equipped with, prevents biogas slurry and gas in tank body 1
Leakage；
The spindle nose 4-4 of described two blenders 4 sequentially passes through corresponding seal assembly 6 and corresponding bearing support assemblies
It 5 and is fixedly connected with the ball bearing 5-1 of bearing support assemblies 5, described two 7 output shafts of decelerating motor and two blenders 4
Spindle nose 4-4 correspond and be fixedly connected, sliding of two abutting ends of described two blenders 4 with the centre frame 4-5
Bearing 4-51 connection.
The horizontal continuous anaerobic fermentation tank of steel further includes two brackets 12, and described two brackets 12 are separately positioned on tank
It is fixedly connected at 1 both ends of body and with ground 3,
Described two bearing support assemblies 5 are respectively and fixedly installed on two brackets 12 or are fixedly mounted on ground
On 3, one or two decelerating motors 7 are mounted on corresponding bracket 12 or on ground 3.
One or two decelerating motors 7 are mounted on corresponding spindle nose on blender 4 by speed reducer toggle 7-1
On 4-4.
The tank body 1 further include feed opening 1-2, discharge hole 1-3, biogas output pipe 1-5, observation window 1-6, manhole 1-7, under
Access hole 1-8, pressure sensor 1-9 and temperature sensor 1-10；
Feed opening 1-2, discharge hole 1-3 and lower access hole 1-8 are offered on the tank body 1, and sight is installed on the tank body 1
Examine window 1-6 and manhole 1-7；
The pressure sensor 1-9 and temperature sensor 1-10 is installed on tank body 1 and is connected to 1 inner cavity of tank body,
It is communicated with positive/negative pressure protector 10 between the biogas output pipe 1-5 and tank body 1,
The external feeding device of the feed opening 1-1 connection, the discharge hole 1-2 connection biogas residue processing system, the biogas
The external gas transmission line of efferent duct 1-5 connection.
The pressure sensor 1-8, the external automatic control system of temperature sensor 1-9 connection guarantee anaerobism hair in tank
Ferment condition.
The horizontal continuous anaerobic fermentation tank of steel further includes heating tube 2, workbench 11, insulating layer 8 and external protection 9；
The 1 lateral surface upper end of tank body is provided with workbench 11, for operator's daily maintenance and maintenance,
1 lateral surface lower end of tank body is provided with heating tube 2,
The insulating layer 8 is that compound insulating material is covered on tank body 1 and heating tube 2,
The external protection 9 is wrapped on 8 outside of insulating layer, completely cuts off the loss of temperature in tank.
As shown in Fig. 7~Figure 11,
The agitating shaft of one or two blenders 4 is made of multistage hollow shaft 4-1,
The junction adjacent two sections of hollow shaft 4-1 is provided with a pair of of connecting flange 4-2, on each connecting flange 4-2
It is placed with location hole 4-6,
Seal groove 4-7 and sealing joint strip 4-8, each sealing are provided on the contact surface of each connecting flange 4-2
Adhesive tape 4-8 is arranged in corresponding a pair of of seal groove 4-7,
Airtight connection after each pair of connecting flange 4-2 is fastened by connection bolt 4-9 guarantees that 4 inside of blender is closed hollow,
Biogas slurry is impregnated lower buoyancy and is offset and is self-possessed in tank body 1.
The spindle nose 4-4 is welded on both ends after multistage hollow shaft 4-1 combination connection；
One or two blenders 4 further include multiple blade 4-3,
The multiple blade 4-3 is welded or by Boards wall on hollow shaft 4-1,
Angle α of multiple blade 4-3 between multistage hollow shaft 4-1 helical arrangement, each adjacent two blade 4-3 is at 15 °
It between~90 °, is stirred by rotation and pushes material in tank body 1, angle α need to be adjusted according to material concentration.
One or two blenders 4 further include air inflation nozzle 4-10 and pressure gauge 4-11, the air inflation nozzle 4-10 and
Pressure gauge 4-11 is installed on spindle nose 4-4, monitors the closed situation of hollow shaft 4-1.
As shown in Figure 1, shown in Figure 5, the centre frame 4-5 includes sliding bearing 4-51 and multiple connecting rod 4-52, the multiple
The one end connecting rod 4-52 is fixedly connected with sliding bearing 4-51 lateral surface, and multiple connecting rod 4-52 other ends are and in tank body 1
Periphery is fixedly connected.
Axis annular uniformly arrangement of multiple connecting rod 4-52 around sliding bearing 4-51.
As shown in Fig. 1, Fig. 6, bearing support assemblies 5 include ball bearing 5-1 and support frame 5-2, the ball bearing 5-1
It is fixedly mounted on support frame 5-2, support frame as described above 5-2 is fixedly mounted on corresponding bracket 12 or is fixedly mounted on ground
On 3.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, within the technical scope disclosed by the utility model for anyone skilled in the art, can have various
Change and variation.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (10)
1. a kind of horizontal continuous anaerobic fermentation tank of steel, including tank body (1), one or two blender (4) and one or two
Decelerating motor (7)；It is characterized by: the tank body (1) includes: tank gallbladder (1-1) and multiple ribs (1-4), the tank gallbladder (1-
1) it is steel sealed horizontal hollow cylinder, has multiple ribs (1-4), institute along tank gallbladder (1-1) axial alignment on tank gallbladder (1-1)
The lower end multiple ribs (1-4) is stated to be each attached on ground (3)；When blender (4) quantity is one, one blender
(4) it is horizontally set at tank body (1) center, blender (4) both ends are rotated with tank body (1) and airtight connection, the deceleration electricity
Machine (7) setting is sequentially connected on the outside of tank body (1) and with blender (4)；
When blender (4) quantity is two, described two blenders (4) are co-axially located at tank body (1) center, described two
Two abutting ends of blender (4) respectively pass through sliding bearing (4-51) and connect with centre frame (4-5), the centre frame (4-5) with
Tank body (1) inner peripheral surface is fixedly connected, and two phase backsides of two blenders (4) are rotated with tank body (1) and airtight connection, institute
Two decelerating motors (7) are stated to be arranged at tank body (1) outside and be sequentially connected with corresponding blender (4) respectively.
2. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 1, it is characterised in that: the tank gallbladder (1-1)
It is spliced after curving annular shape by multistage steel plate, is supported and connected by ribs (1-4) per adjacent two sections of circular steel plates.
3. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 1, it is characterised in that: when blender (4) number
When amount is one, blender (4) both ends are provided with spindle nose (4-4), in the central through hole that tank body (1) both ends are equipped with
It is mounted on seal assembly (6), described two spindle noses (4-4) sequentially pass through corresponding seal assembly (6) and corresponding bearing
Support component (5) is simultaneously fixedly connected with the ball bearing (5-1) of bearing support assemblies (5), decelerating motor (7) output shaft with
One of spindle nose (4-4) in two spindle noses (4-4) is fixedly connected；
When the quantity of blender (4) is two, each described blender (4) one end is provided with spindle nose (4-4), the tank body
(1) it is mounted in the central through hole that both ends are equipped with seal assembly (6), the spindle nose (4-4) of described two blenders (4) is successively
Ball bearing (5- across corresponding seal assembly (6) and corresponding bearing support assemblies (5) and with bearing support assemblies (5)
1) it is fixedly connected, the spindle nose (4-4) of described two decelerating motor (7) output shafts and two blenders (4) is corresponded and fixed
Connection, two abutting ends of described two blenders (4) are connect with the sliding bearing (4-51) of the centre frame (4-5).
4. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 3, it is characterised in that: the horizontal company of steel
Continuous anaerobic fermentation tank further includes two brackets (12), described two brackets (12) be separately positioned at tank body (1) both ends and with ground
Base (3) is fixedly connected, and described two bearing support assemblies (5) are respectively and fixedly installed on two brackets (12) or fix
It is mounted on ground (3), one or two decelerating motors (7) are mounted on corresponding bracket (12) or ground (3)
On.
5. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 1, it is characterised in that: the tank body (1) is also
Including feed opening (1-2), discharge hole (1-3), biogas output pipe (1-5), observation window (1-6), manhole (1-7), lower access hole (1-
8), pressure sensor (1-9) and temperature sensor (1-10)；Feed opening (1-2), discharge hole (1- are offered on the tank body (1)
3) observation window (1-6) and manhole (1-7) and lower access hole (1-8), are installed on the tank body (1)；Pressure sensor (the 1-
9) and temperature sensor (1-10) is installed on tank body (1) and is connected to tank body (1) inner cavity, the biogas output pipe (1-5)
It is communicated between tank body (1) positive/negative pressure protector (10), the feed opening (1-2) connects external feeding device, the discharging
Hole (1-3) connects biogas residue processing system, and the biogas output pipe (1-5) connects external gas transmission line.
6. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 1, it is characterised in that: the horizontal company of steel
Continuous anaerobic fermentation tank further includes heating tube (2), workbench (11), insulating layer (8) and external protection (9)；On the outside of the tank body (1)
Face upper end is provided with workbench (11), and tank body (1) lateral surface lower end is provided with heating tube (2), and the insulating layer (8) is covered on tank
On body (1) and heating tube (2), the external protection (9) is wrapped on insulating layer (8) outside.
7. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 1 or 3, it is characterised in that: one or two
The agitating shaft of a blender (4) is made of multistage hollow shaft (4-1), is arranged per adjacent two sections of hollow shafts junction (4-1)
Have a pair of of connecting flange (4-2), is placed with location hole (4-6), each connecting flange on each connecting flange (4-2)
Seal groove (4-7) and sealing joint strip (4-8) are provided on the contact surface of (4-2), each pair of connecting flange (4-2) is by connection bolt
Airtight connection after (4-9) fastening.
8. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 7, it is characterised in that: one or two
A blender (4) further includes multiple blades (4-3), and the multiple blade (4-3) is both secured on hollow shaft (4-1), multiple paddles
Angle α of the leaf (4-3) between multistage hollow shaft (4-1) helical arrangement, each adjacent two blade (4-3) 15 °~90 ° it
Between.
9. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 8, it is characterised in that: one or two
A blender (4) further includes air inflation nozzle (4-10) and pressure gauge (4-11), and the air inflation nozzle (4-10) and pressure gauge (4-11) are equal
It is mounted on spindle nose (4-4).
10. the horizontal continuous anaerobic fermentation tank of a kind of steel according to claim 1 or 3, it is characterised in that: the centre frame
(4-5) includes sliding bearing (4-51) and multiple connecting rods (4-52), and the multiple connecting rod (4-52) one end is and sliding axle
It holds (4-51) lateral surface to be fixedly connected, multiple connecting rod (4-52) other ends are fixedly connected with tank body (1) inner peripheral surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277683.5U CN208649324U (en) | 2018-08-08 | 2018-08-08 | A kind of horizontal continuous anaerobic fermentation tank of steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277683.5U CN208649324U (en) | 2018-08-08 | 2018-08-08 | A kind of horizontal continuous anaerobic fermentation tank of steel |
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| Publication Number | Publication Date |
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| CN208649324U true CN208649324U (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607224A (en) * | 2019-10-16 | 2019-12-24 | 中国船舶重工集团环境工程有限公司 | Composite high-solid-content assembled anaerobic fermentation device |
-
2018
- 2018-08-08 CN CN201821277683.5U patent/CN208649324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607224A (en) * | 2019-10-16 | 2019-12-24 | 中国船舶重工集团环境工程有限公司 | Composite high-solid-content assembled anaerobic fermentation device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: Room 2, 4th floor, unit 4, 326 floor, 17 Youxie dongsandao street, Pingfang District, Harbin City, Heilongjiang Province Patentee after: Heilongjiang Qianjin Energy Technology Co.,Ltd. Address before: Room 2, 4th floor, unit 4, 326 floor, 17 Youxie dongsandao street, Pingfang District, Harbin City, Heilongjiang Province Patentee before: Li Duo |
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| TR01 | Transfer of patent right |