CN113477078A - Microbial fermentation tail gas treatment device and method for biological product - Google Patents
Microbial fermentation tail gas treatment device and method for biological product Download PDFInfo
- Publication number
- CN113477078A CN113477078A CN202110851174.9A CN202110851174A CN113477078A CN 113477078 A CN113477078 A CN 113477078A CN 202110851174 A CN202110851174 A CN 202110851174A CN 113477078 A CN113477078 A CN 113477078A
- Authority
- CN
- China
- Prior art keywords
- wall
- box
- gas
- pipe
- plate
- 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
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 38
- 230000004151 fermentation Effects 0.000 title claims abstract description 38
- 230000000813 microbial effect Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims description 42
- 238000006243 chemical reaction Methods 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005485 electric heating Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 94
- 239000003570 air Substances 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 239000002207 metabolite Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention belongs to the technical field of microbial tail gas treatment, and particularly relates to a microbial fermentation tail gas treatment device and a treatment method of a biological product. According to the invention, the rotating shaft is driven to rotate when accelerated fluid impacts on the outer wall of the fan blade, the rotating shaft drives the scraper to rotate, and the scraper is in the shape of a spiral feeding plate, so that a mixture of liquid drops and particles hung on the inner walls of the branch pipe and the vertical pipe is rapidly conveyed downwards, and the efficient separation of gas and liquid is kept.
Description
Technical Field
The invention relates to the technical field of microbial tail gas treatment, in particular to a microbial fermentation tail gas treatment device and a treatment method of a biological product.
Background
The method is characterized in that medicines, foods and fine chemicals prepared by biological fermentation are widely applied to medicine, chemical industry and daily life and make great contribution to human health, the biological fermentation is a powerful means and tool for industrialization of biological fermentation products, the air is used as an essential component for microbial growth in the biological fermentation process, the air usage amount is large and is generally 0.5-1.2 VVM, but a large amount of air which is not used by microorganisms needs to be discharged into the atmosphere along with tail gas discharged from a fermentation tank, so that partial fermentation metabolites generated by the microbial growth are taken out of the fermentation tank along with the tail gas and are discharged into the ambient air, and the metabolites generated by the microbial growth generally have certain odor and taste and can have certain influence on the ambient environment, so the fermentation tail gas needs to be treated and then discharged.
The liquid molecule and the gas of needs in with tail gas among the fermentation tail gas treatment mode separate, but prior art when cooling the condensation, the particulate matter in the tail gas mixes in the liquid molecule, and this can lead to it to bond in the inner wall of pipeline, and along with live time's extension, the thickness of bonding has increased to some extent for liquid whereabouts after the condensation collects the speed and reduces.
Disclosure of Invention
Based on the technical problem that when the temperature is reduced and the tail gas is condensed, particles in the tail gas are mixed in liquid molecules, so that the particles are adhered to the inner wall of a pipeline, and the falling and collecting speed of the condensed liquid is reduced, the invention provides a microbial fermentation tail gas treatment device and a treatment method of a biological product.
The invention provides a microbial fermentation tail gas treatment device and a treatment method thereof for biological products, which comprises a separation box and a base, wherein the outer wall of the top of the base is fixed with a reaction box through bolts, the outer wall of the top of the reaction box is fixed with a folded pipe through bolts, one end of the folded pipe is sleeved with a disinfection box, the outer wall of the top of the base is fixed with a strut through bolts, the strut is fixedly connected with the outer wall of the bottom of the disinfection box through bolts, the inner wall of the disinfection box is provided with a disinfection mechanism, the inner wall of the disinfection box is fixed with an active carbon adsorption layer and a HEPA filter screen through bolts, the outer wall of one side of the disinfection box is fixed with an exhaust pipe through bolts, the top of the inner wall of the reaction box is provided with a fluid acceleration mechanism, the outer wall of the top of the reaction box is sleeved with a connecting pipe, the outer wall of the connecting pipe is fixed with an electromagnetic valve through bolts, and the top end of the connecting pipe is sleeved with a heating box, the inner wall of the heating box is fixed with an electric heating plate through screws, the outer wall of the top of the heating box is fixed with a separating tube through screws, one end of the separating tube is fixedly connected with the outer wall of one side of the separating box through screws, the inner wall of the separating tube is fixed with a fan through screws, the inner wall of the separating box is fixed with a connecting rod through screws, one end of the connecting rod is fixed with a refrigerating plate through screws, the top of the refrigerating plate is fixed with a vertical tube through screws, the vertical tube is connected with the separating box through a sleeve joint, one end of the vertical tube is fixed with an air inlet tube through screws, the outer walls of two sides of the vertical tube are provided with shunting holes, branch tubes are fixed with branch tubes through screws on the outer walls of two sides of the vertical tube through the shunting holes, the bottom ends of the branch tubes and the vertical tube are sleeved with a collecting tube, the bottom ends of the branch tubes and the inner walls of the vertical tube are provided with scraping mechanisms, and the inner wall of the bottom of the separating box is inserted with a collecting box, the outer wall of the top of the collecting box is provided with a collecting mechanism.
Preferably, disinfection mechanism includes the sterilamp, the sterilamp passes through the fix with screw in the inner wall of disinfect box, the inner wall of disinfect box has the swash plate through the fix with screw, the toper through-hole has been seted up to the outer wall of swash plate, the inner wall of disinfect box has thin axle through the fix with screw, and the vibration board has been cup jointed to the outer wall of thin axle, one side outer wall of vibration board has the spring through the fix with screw, and the one end of spring passes through adhesive connection with the inner wall of disinfect box.
Preferably, the outer wall of the convex surface of the electric heating plate is provided with arc surface grooves which are uniformly distributed, and the outer wall of the concave surface of the electric heating plate is provided with through holes which are uniformly distributed.
Preferably, the inner wall of the collecting pipe is bonded with guide strips which are uniformly distributed, and the outer wall of each guide strip is provided with a strip-shaped groove.
Preferably, strike off the mechanism and include the dead lever, the one end of dead lever has the sleeve through the fix with screw, and telescopic inner wall is connected with the pivot through the bearing, the outer wall of pivot has the scraper blade through the fix with screw, and the top of pivot has the flabellum through the fix with screw.
Preferably, the collecting mechanism comprises a supporting rod, the supporting rod is fixed on the inner wall of the bottom of the collecting box through a screw, a spherical support is fixed on the top end of the supporting rod through a screw, an arc-shaped groove which is uniformly distributed is formed in the inner wall of the spherical support, triangular holes which are uniformly distributed are formed in the inner wall of the spherical support, and a convex block is bonded on the inner wall of the bottom of the spherical support.
Preferably, the fluid accelerating mechanism comprises a fixing plate, the fixing plate is adhered to the top of the inner wall of the reaction box, and the outer walls of two sides of the fixing plate are provided with grooves.
The invention provides a treatment method of a microbial fermentation tail gas treatment device of a biological product, which is characterized by comprising the following steps:
s1, starting a fan, connecting tail gas into an air inlet pipe, leading the tail gas into the inner wall of a separation box, starting a refrigeration plate, rapidly cooling, condensing and liquefying the entering tail gas, enabling liquefied fluid water drops to slide downwards along the outer wall of a guide strip, enabling the speed of gas to be increased when the gas flows through a strip-shaped groove, further increasing the falling speed of the water drops, facilitating the rapid collection of a liquefied part, driving a rotating shaft to rotate when accelerated fluid impacts on the outer wall of a fan blade, driving a scraper to rotate by the rotating shaft, enabling the scraper to be in a spiral feeding plate shape, enabling the water drops hung on the inner wall of a branch pipe and the inner wall of a vertical pipe to be rapidly conveyed downwards, enabling the liquefied water drops to be difficult to pass through the vertical pipe and the branch pipe to flow back upwards by the scraper to realize a blocking function, and keeping the efficient separation of the gas and the liquid;
s2, the falling liquid drops fall on the inner wall of the spherical support, the drops flow downwards along the inner wall of the arc-shaped groove and the outer wall of the bump and finally pass through the triangular hole to fall into the inner wall of the collecting box, and when the gas passes through the inner wall of the arc-shaped groove, the flow rate is instantly increased, so that the drops gathered on the inner wall of the arc-shaped groove flow downwards quickly, and the collecting efficiency of the liquefied liquid is improved;
s3, arranging a cambered surface on one side of the inner wall of the top of the separation box to enable the separated gas to enter the inner wall of the heating box through the separation pipe, starting an electric heating plate arranged on the inner wall of the heating box, changing the flowing direction of the gas when the gas impacts a cambered surface groove arranged on the outer wall of the convex surface of the electric heating plate to enable the direction of partial gas to be turned back, fully impacting the gas on the inner wall of the heating box to prolong the retention time in the heating box, fully heating the gas, improving the heating efficiency, improving the temperature environment for subsequent reaction, enabling the heated gas to downwards enter the inner wall of the reaction box through a through hole to start full chemical reaction, firstly impacting the top end of a fixed plate when the heated gas enters the inner wall of the reaction box, arranging a groove on the outer wall of the fixed plate to enable the speed of the flowing air to be accelerated, and arranging an electromagnetic valve to intermittently work, the gas is pressurized, so that the gas is accelerated and impacted to enter the inner wall of the reaction box, and the efficiency of gas catalytic reaction is improved;
s4, the reacted gas passes through the folding pipe and enters the inner wall of the disinfection box, the vibration plate vibrates under the action of a spring arranged at one end of the vibration plate, the gas generates vortex, the vortex gas drives the gas on the inner wall of the disinfection box to be fully mixed, the disinfection efficiency of the disinfection lamp on the gas is improved, finally the gas passes through a HEPA filter screen to filter fine particles, then the active carbon adsorption layer is used for removing peculiar smell in the gas, and finally the exhaust pipe is used for exhausting the gas to realize the treatment of the whole process of the tail gas.
The beneficial effects of the invention are as follows:
1. this microbial fermentation tail gas processing apparatus of biological product, flabellum through setting up, pivot and scraper blade, fluid striking after the acceleration drives the pivot when on the outer wall of flabellum and rotates, the pivot rotates and drives the scraper blade and rotate, the scraper blade is the spiral delivery sheet shape, make to hang and knot the quick downward transport of mixture of the liquid drop of minute pipe and standpipe inner wall and particulate matter, and the function that the scraper blade realized the separation makes the water droplet evaporation after the liquefaction difficult to pass the standpipe and minute pipe upwards backward flow, keep gas and liquid separation's high efficiency to go on.
2. This microbial fermentation tail gas processing apparatus of bio-product through refrigeration board, gib block and the bar groove that sets up, starts the refrigeration board for the tail gas rapid cooling condensation liquefaction that gets into, the fluid water droplet after the liquefaction slides down along the outer wall of gib block, and the bar groove of seting up makes gas speed promote when the flow-through, further promotes the falling speed of water droplet, helps realizing the quick collection of liquefaction part.
3. This microbial fermentation tail gas processing apparatus of biological product, through spherical support, lug and the arc wall that sets up, when gaseous inner wall that passes the arc wall, the velocity of flow transient increase for the quick downward circulation of water droplet that the arc wall inner wall collects promotes the collection efficiency to liquid after the liquefaction.
4. This microbial fermentation tail gas processing apparatus of biological product, through the heating cabinet that sets up, electric plate and cambered surface groove, start the electric plate that the heating cabinet inner wall set up, change gaseous circulation direction when the cambered surface groove of gaseous striking setting up at electric plate convex surface outer wall, make the direction of partial gas take place to turn back, gaseous striking in the inner wall of heating cabinet is abundant has prolonged dwell time inside it, make gas by abundant heating, promote the efficiency of heating, for subsequent reaction improves temperature environment.
5. This microbial fermentation tail gas processing apparatus of biological product, through the reaction box that sets up, fixed plate, solenoid valve and fluting, at first striking on the top of fixed plate when the gas after the heating enters into the inner wall of reaction box, the fixed plate outer wall is provided with the fluting and makes the air velocity of flowing through accelerate, and the solenoid valve intermittent type work that sets up, carries out the pressure boost to gas for gas strikes the inner wall that enters into the reaction box with higher speed, promotes gaseous catalytic reaction's efficiency.
6. This microbial fermentation tail gas processing apparatus of biological product, through the pipe of rolling over that sets up, disinfect box and vibration board, the gas after the reaction passes and rolls over the pipe and enter into the inner wall of disinfect box, and the vibration board takes place to vibrate under the spring action that its one end set up for gas produces the vortex, and the gaseous intensive mixing that drives whole disinfect box inner wall of vortex promotes the disinfection efficiency of sterilamp to gas.
Drawings
FIG. 1 is a schematic sectional front view of an apparatus for treating a microbial fermentation exhaust gas of a biological product according to the present invention;
FIG. 2 is a schematic sectional front view of a sterilization box in a device for treating tail gas from microbial fermentation of a biological product according to the present invention;
FIG. 3 is a perspective view of a spherical support part of a microbial fermentation tail gas treatment device for a biological product according to the present invention;
FIG. 4 is a sectional view of a collecting pipe part of a microbial fermentation tail gas treatment device for a biological product according to the present invention;
FIG. 5 is a perspective view of an electric heating plate part of a device for treating microbial fermentation exhaust gases of biological products according to the present invention;
FIG. 6 is an enlarged view of a portion A of a microbial fermentation tail gas treatment apparatus for a bioproduct according to the present invention;
FIG. 7 is a partial enlarged view of a portion B of a microbial fermentation tail gas treatment device for a biological product according to the present invention.
In the figure: 1. a separation tank; 2. a collection box; 3. a refrigeration plate; 4. an air inlet pipe; 5. a vertical tube; 6. pipe distribution; 7. a collecting pipe; 8. a separation tube; 9. a fan; 10. a heating box; 11. an electric hot plate; 12. a sterilizing box; 13. an exhaust pipe; 14. a base; 15. a reaction box; 16. a pillar; 17. a spherical support; 18. a HEPA filter screen; 19. folding the tube; 20. an activated carbon adsorption layer; 21. a sterilizing lamp; 22. a vibrating plate; 23. a sloping plate; 24. a support bar; 25. a bump; 26. an arc-shaped slot; 27. a triangular hole; 28. a guide strip; 29. a strip-shaped groove; 30. a through hole; 31. a cambered surface groove; 32. an electromagnetic valve; 33. a fixing plate; 34. grooving; 35. fixing the rod; 36. a rotating shaft; 37. a squeegee; 38. a fan blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, a microbial fermentation tail gas treatment device of biological products and a treatment method thereof, comprising a separation box 1 and a base 14, wherein the outer wall of the top of the base 14 is fixed with a reaction box 15 through bolts, the outer wall of the top of the reaction box 15 is fixed with a folding pipe 19 through bolts, one end of the folding pipe 19 is sleeved with a disinfection box 12, the outer wall of the top of the base 14 is fixed with a strut 16 through bolts, the strut 16 is fixedly connected with the outer wall of the bottom of the disinfection box 12 through bolts, the inner wall of the disinfection box 12 is provided with a disinfection mechanism, the inner wall of the disinfection box 12 is fixed with an active carbon adsorption layer 20 and a HEPA filter screen 18 through bolts, the outer wall of one side of the disinfection box 12 is fixed with an exhaust pipe 13 through bolts, the top of the inner wall of the reaction box 15 is provided with a fluid acceleration mechanism, the outer wall of the top of the reaction box 15 is sleeved with a connecting pipe, the outer wall of the connecting pipe is fixed with an electromagnetic valve 32 through bolts, the top end of the connecting pipe is sleeved with a heating box 10, an electric heating plate 11 is fixed on the inner wall of the heating box 10 through screws, a separating pipe 8 is fixed on the outer wall of the top of the heating box 10 through screws, one end of the separating pipe 8 is fixedly connected with the outer wall of one side of the separating box 1 through screws, a fan 9 is fixed on the inner wall of the separating pipe 8 through screws, a connecting rod is fixed on the inner wall of the separating box 1 through screws, a refrigerating plate 3 is fixed on one end of the connecting rod through screws, a vertical pipe 5 is fixed on the top of the refrigerating plate 3 through screws, the vertical pipe 5 is connected with the separating box 1 through sleeved connection, an air inlet pipe 4 is fixed on one end of the vertical pipe 5 through screws, shunt holes are formed in the outer walls of two sides of the vertical pipe 5, shunt pipes 6 are fixed on the outer walls of two sides of the vertical pipe 5 through screws through the shunt holes, a collecting pipe 7 is sleeved at the bottom ends of the shunt pipes 6 and the vertical pipe 5, and scraping mechanisms are arranged at the bottom ends of the inner walls of the shunt pipes 6 and the vertical pipe 5, the inner wall of the bottom of the separation box 1 is inserted with a collection box 2, and the outer wall of the top of the collection box 2 is provided with a collection mechanism.
According to the invention, the disinfection mechanism comprises a disinfection lamp 21, the disinfection lamp 21 is fixed on the inner wall of the disinfection box 12 through screws, the inner wall of the disinfection box 12 is fixed with an inclined plate 23 through screws, the outer wall of the inclined plate 23 is provided with a conical through hole, the inner wall of the disinfection box 12 is fixed with a thin shaft through screws, the outer wall of the thin shaft is sleeved with a vibration plate 22, the outer wall of one side of the vibration plate 22 is fixed with a spring through screws, and one end of the spring is connected with the inner wall of the disinfection box 12 through bonding.
In the invention, the outer wall of the convex surface of the electric heating plate 11 is provided with arc surface grooves 31 which are uniformly distributed, and the outer wall of the concave surface of the electric heating plate 11 is provided with through holes 30 which are uniformly distributed.
In the invention, the inner wall of the gathering tube 7 is adhered with guide strips 28 which are uniformly distributed, and the outer wall of the guide strips 28 is provided with strip-shaped grooves 29.
In the invention, the scraping mechanism comprises a fixed rod 35, one end of the fixed rod 35 is fixed with a sleeve through a screw, the inner wall of the sleeve is connected with a rotating shaft 36 through a bearing, the outer wall of the rotating shaft 36 is fixed with a scraper 37 through a screw, and the top end of the rotating shaft 36 is fixed with a fan blade 38 through a screw.
In the invention, the collecting mechanism comprises a supporting rod 24, the supporting rod 24 is fixed on the inner wall of the bottom of the collecting box 2 through a screw, a spherical support 17 is fixed at the top end of the supporting rod 24 through a screw, the inner wall of the spherical support 17 is provided with arc-shaped grooves 26 which are uniformly distributed, the inner wall of the spherical support 17 is provided with triangular holes 27 which are uniformly distributed, and a lug 25 is bonded on the inner wall of the bottom of the spherical support 17.
In the invention, the fluid accelerating mechanism comprises a fixed plate 33, the fixed plate 33 is adhered to the top of the inner wall of the reaction box 15, and the outer walls of two sides of the fixed plate 33 are provided with slots 34.
When the invention is used, the method comprises the following steps:
s1, starting a fan 9, connecting tail gas into an air inlet pipe 4, leading the tail gas into the inner wall of a separation box 1, starting a refrigeration plate 3, rapidly cooling, condensing and liquefying the entering tail gas, enabling liquefied fluid water drops to slide downwards along the outer wall of a guide strip 28, enabling the speed of gas to be increased when the gas flows through an arranged strip-shaped groove 29, further increasing the falling speed of the water drops, facilitating the rapid collection of a liquefied part, driving a rotating shaft 36 to rotate when the accelerated fluid impacts on the outer wall of a fan blade 38, driving a scraping plate 37 to rotate by the rotating shaft 36, enabling the scraping plate 37 to be in a spiral feeding plate shape, enabling the water drops hung on the inner walls of a branch pipe 6 and a vertical pipe 5 to be rapidly conveyed downwards, enabling the scraping plate 37 to achieve a blocking function, enabling the liquefied water drops to be difficult to pass through the vertical pipe 5 and the branch pipe 6 to flow back upwards, and keeping the efficient separation of the gas and the liquid;
s2, the falling liquid water drops fall into the inner wall of the spherical support 17, the water drops flow downwards along the inner wall of the arc-shaped groove 26 and the outer wall of the lug 25 and finally pass through the triangular hole 27 to fall into the inner wall of the collection box 2, and when the gas passes through the inner wall of the arc-shaped groove 26, the flow speed is increased instantaneously, so that the water drops gathered on the inner wall of the arc-shaped groove 26 flow downwards quickly, and the collection efficiency of the liquefied liquid is improved;
s3, arranging a cambered surface on one side of the inner wall of the top of the separation box 1, enabling the separated gas to enter the inner wall of the heating box 10 through the separation pipe 8, starting the electric heating plate 11 arranged on the inner wall of the heating box 10, changing the flowing direction of the gas when the gas impacts the cambered surface groove 31 arranged on the outer wall of the convex surface of the electric heating plate 11, enabling the direction of partial gas to be folded back, enabling the gas to fully impact on the inner wall of the heating box 10 to prolong the retention time in the heating box, enabling the gas to be fully heated, improving the heating efficiency, improving the temperature environment for subsequent reaction, enabling the heated gas to pass through the through hole 30 and enter the inner wall of the reaction box 15 downwards to start full chemical reaction, enabling the heated gas to firstly impact on the top end of the fixing plate 33 when entering the inner wall of the reaction box 15, arranging a groove 34 on the outer wall of the fixing plate 33 to enable the speed of the flowing air to be accelerated, the arranged electromagnetic valve 32 works intermittently to pressurize the gas, so that the gas is accelerated to impact and enter the inner wall of the reaction box 15, and the efficiency of gas catalytic reaction is improved;
s4, the reacted gas passes through the folding pipe 19 and enters the inner wall of the disinfection box 12, the vibration plate 22 vibrates under the action of a spring arranged at one end of the vibration plate, so that the gas generates vortex, the gas in the vortex drives the gas on the inner wall of the disinfection box 12 to be fully mixed, the disinfection efficiency of the disinfection lamp 21 on the gas is improved, finally the gas passes through the HEPA filter screen 18 to filter fine particles, then the active carbon adsorption layer 20 is used for removing peculiar smell in the gas, and finally the gas is discharged through the exhaust pipe 13 to realize the treatment of the whole process of the tail gas.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a microbial fermentation tail gas processing apparatus of biological product, includes separator box (1) and base (14), its characterized in that, there is reaction box (15) at the top outer wall of base (14) through the bolt fastening, there is a pipe (19) at the top outer wall of reaction box (15) through the fix with screw, disinfect box (12) have been cup jointed to the one end of a pipe (19), the top outer wall of base (14) has pillar (16) through the bolt fastening, the bottom outer wall of pillar (16) and disinfect box (12) passes through bolt fastening and is connected, the inner wall of disinfect box (12) is provided with disinfection mechanism, and the inner wall of disinfect box (12) has active carbon adsorption layer (20) and HEPA filter screen (18) through the fix with screw, one side outer wall of disinfect box (12) has blast pipe (13) through the fix with screw, the inner wall top of reaction box (15) is provided with fluid acceleration mechanism, the top outer wall of the reaction box (15) is sleeved with a connecting pipe, the outer wall of the connecting pipe is fixedly provided with an electromagnetic valve (32) through a bolt, the top end of the connecting pipe is sleeved with a heating box (10), the inner wall of the heating box (10) is fixedly provided with an electric heating plate (11) through a screw, the top outer wall of the heating box (10) is fixedly provided with a separating pipe (8) through a screw, one end of the separating pipe (8) is fixedly connected with one side outer wall of the separating box (1) through a screw, the inner wall of the separating pipe (8) is fixedly provided with a fan (9) through a screw, the inner wall of the separating box (1) is fixedly provided with a connecting rod through a screw, one end of the connecting rod is fixedly provided with a refrigerating plate (3) through a screw, the top of the refrigerating plate (3) is fixedly provided with a vertical pipe (5) through a screw, the vertical pipe (5) is connected with the separating box (1) through a sleeve, and one end of the vertical pipe (5) is fixedly provided with an air inlet pipe (4) through a screw, the improved vertical pipe scraper is characterized in that shunting holes are formed in the outer walls of the two sides of the vertical pipe (5), branch pipes (6) are fixed on the outer walls of the two sides of the vertical pipe (5) through screws after penetrating through the shunting holes, the collecting pipes (7) are sleeved at the bottom ends of the branch pipes (6) and the vertical pipe (5), scraping mechanisms are arranged at the bottom ends of the inner walls of the branch pipes (6) and the vertical pipe (5), the collecting box (2) is inserted into the inner wall of the bottom of the separating box (1), and the collecting mechanism is arranged on the outer wall of the top of the collecting box (2).
2. The microbial fermentation tail gas treatment device of biological products according to claim 1, wherein the disinfection mechanism comprises a disinfection lamp (21), the disinfection lamp (21) is fixed on the inner wall of the disinfection box (12) through screws, the inner wall of the disinfection box (12) is fixed with an inclined plate (23) through screws, the outer wall of the inclined plate (23) is provided with a conical through hole, the inner wall of the disinfection box (12) is fixed with a thin shaft through screws, the outer wall of the thin shaft is sleeved with a vibration plate (22), the outer wall of one side of the vibration plate (22) is fixed with a spring through screws, and one end of the spring is connected with the inner wall of the disinfection box (12) through bonding.
3. The device for treating the tail gas generated by microbial fermentation of biological products according to claim 1, wherein the convex outer wall of the electric heating plate (11) is provided with uniformly distributed arc grooves (31), and the concave outer wall of the electric heating plate (11) is provided with uniformly distributed through holes (30).
4. The device for treating the microbial fermentation tail gas of the biological product according to claim 1, wherein guide strips (28) which are uniformly distributed are adhered to the inner wall of the collecting pipe (7), and strip-shaped grooves (29) are formed in the outer wall of each guide strip (28).
5. The device for treating the tail gas generated by microbial fermentation of a biological product as claimed in claim 1, wherein the scraping mechanism comprises a fixing rod (35), one end of the fixing rod (35) is fixed with a sleeve through a screw, the inner wall of the sleeve is connected with a rotating shaft (36) through a bearing, the outer wall of the rotating shaft (36) is fixed with a scraper (37) through a screw, and the top end of the rotating shaft (36) is fixed with a fan blade (38) through a screw.
6. The microbial fermentation tail gas treatment device of biological products according to claim 1, wherein the collection mechanism comprises a support rod (24), the support rod (24) is fixed on the inner wall of the bottom of the collection box (2) through screws, the top end of the support rod (24) is fixed with a spherical support (17) through screws, the inner wall of the spherical support (17) is provided with arc-shaped grooves (26) which are uniformly distributed, the inner wall of the spherical support (17) is provided with triangular holes (27) which are uniformly distributed, and the inner wall of the bottom of the spherical support (17) is bonded with a convex block (25).
7. The device for treating the microbial fermentation tail gas of the biological product according to claim 1, wherein the fluid accelerating mechanism comprises a fixing plate (33), the fixing plate (33) is adhered to the top of the inner wall of the reaction box (15), and the outer walls of two sides of the fixing plate (33) are provided with slots (34).
8. The method for treating the microbial fermentation tail gas treatment device of the biological product according to claim 1, characterized by comprising the following steps:
s1: starting a fan (9), connecting tail gas into the gas inlet pipe (4) to lead the tail gas into the inner wall of the separation box (1), starting the refrigerating plate (3), so that the entering tail gas is rapidly cooled, condensed and liquefied, the liquefied fluid water drops slide downwards along the outer wall of the guide strip (28), the strip-shaped groove (29) enables the speed of the gas to be increased when the gas flows through the groove, the falling speed of water drops is further increased, the accelerated fluid impacts the outer wall of the fan blade (38) to drive the rotating shaft (36) to rotate, the rotating shaft (36) rotates to drive the scraper (37) to rotate, the scraper (37) is in a shape of a spiral feeding plate, so that the water drops hung on the inner walls of the branch pipe (6) and the vertical pipe (5) are quickly conveyed downwards, the scraper (37) realizes the function of blocking so that the liquefied water drops are difficult to evaporate and flow back upwards through the vertical pipe (5) and the branch pipe (6);
s2, the falling liquid water drops fall into the inner wall of the spherical support (17), the water drops flow downwards along the inner wall of the arc-shaped groove (26) and the outer wall of the lug (25) and finally fall downwards into the inner wall of the collection box (2) through the triangular hole (27), and when the gas passes through the inner wall of the arc-shaped groove (26), the flow speed is increased instantaneously, so that the water drops gathered on the inner wall of the arc-shaped groove (26) flow downwards quickly;
s3, arranging a cambered surface at one side of the inner wall at the top of the separation box (1) to enable the separated gas to enter the inner wall of the heating box (10) through the separation pipe (8), starting the electric heating plate (11) arranged on the inner wall of the heating box (10), changing the flowing direction of the gas when the gas impacts the cambered surface groove (31) arranged on the outer wall of the convex surface of the electric heating plate (11), fully impacting the inner wall of the heating box (10) to prolong the retention time in the heating box, increasing the temperature environment for subsequent reaction, enabling the heated gas to pass through the through hole (30) and enter the inner wall of the reaction box (15) downwards to start sufficient chemical reaction, impacting the top end of the fixed plate (33) when the heated gas enters the inner wall of the reaction box (15), arranging a notch (34) on the outer wall of the fixed plate (33) to enable the speed of the flowing air to be accelerated, the arranged electromagnetic valve (32) works intermittently to pressurize the gas, so that the gas is accelerated to impact and enter the inner wall of the reaction box (15);
s4, the reacted gas passes through a folding pipe (19) and enters the inner wall of the disinfection box (12), a vibration plate (22) vibrates under the action of a spring arranged at one end of the vibration plate, so that the gas generates vortex, the vortex gas drives the gas on the inner wall of the whole disinfection box (12) to be fully mixed, the disinfection efficiency of the disinfection lamp (21) on the gas is improved, the gas finally passes through a HEPA filter screen (18) to filter fine particles, the peculiar smell in the gas is removed through an active carbon adsorption layer (20), and the gas is discharged through an exhaust pipe (13) to realize the treatment of the whole process of the tail gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851174.9A CN113477078B (en) | 2021-07-27 | 2021-07-27 | Microbial fermentation tail gas treatment device and method for biological products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851174.9A CN113477078B (en) | 2021-07-27 | 2021-07-27 | Microbial fermentation tail gas treatment device and method for biological products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113477078A true CN113477078A (en) | 2021-10-08 |
| CN113477078B CN113477078B (en) | 2023-10-13 |
Family
ID=77942843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110851174.9A Active CN113477078B (en) | 2021-07-27 | 2021-07-27 | Microbial fermentation tail gas treatment device and method for biological products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113477078B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225609A (en) * | 2021-12-24 | 2022-03-25 | 中国建筑第五工程局有限公司 | Circulating dust removal equipment for carbon neutralization and dust removal method thereof |
| CN114308968A (en) * | 2021-11-25 | 2022-04-12 | 无锡荣浦科技有限公司 | Low-noise automatic ventilation cleaning device for chemical laboratory of harmful gas |
| CN116585839A (en) * | 2023-05-17 | 2023-08-15 | 安徽中执环境工程有限公司 | Electrolyte tail gas condensation treatment equipment |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB888601A (en) * | 1957-04-09 | 1962-01-31 | Jozef Harley | Improvements in or relating to absorption refrigerating apparatus |
| CN204034296U (en) * | 2013-10-30 | 2014-12-24 | 赵雪林 | A kind of distillation extraction element |
| CN108019838A (en) * | 2017-11-22 | 2018-05-11 | 郑州游爱网络技术有限公司 | air purifier with humidification function |
| CN108380010A (en) * | 2018-05-06 | 2018-08-10 | 安徽宏实自动化装备有限公司 | A kind of disturbed flow type gas-liquid separation retracting device |
| CN108759083A (en) * | 2018-07-18 | 2018-11-06 | 江苏隆鑫环保科技有限公司 | A kind of air heater |
| CN208436558U (en) * | 2018-07-20 | 2019-01-29 | 江西云威新材料有限公司 | A kind of lithium mine baking flue gas processing unit in lithium carbonate technique |
| CN111646828A (en) * | 2020-05-25 | 2020-09-11 | 扬州地平线新能源环境技术有限公司 | Organic fertilizer production system and production method |
| CN211513945U (en) * | 2019-12-23 | 2020-09-18 | 无锡市蓝天水处理设备有限公司 | Air heating drying device |
| CN212068083U (en) * | 2020-02-06 | 2020-12-04 | 李国朋 | Industrial furnace kiln discharge system |
| CN212396239U (en) * | 2019-12-16 | 2021-01-26 | 四川宇伦环保设备有限公司 | A dirty gas cleaning device for boiler |
| CN112675648A (en) * | 2020-12-02 | 2021-04-20 | 杨振华 | Energy-saving air purification equipment and use method thereof |
| CN112755743A (en) * | 2021-01-11 | 2021-05-07 | 宁夏首朗吉元新能源科技有限公司 | Tail gas recovery equipment and method for ferroalloy industrial tail gas fermentation |
| CN213408189U (en) * | 2020-09-23 | 2021-06-11 | 杭州欧迈克动力设备有限公司 | Energy-saving freezing type dryer capable of strengthening heat exchange |
-
2021
- 2021-07-27 CN CN202110851174.9A patent/CN113477078B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB888601A (en) * | 1957-04-09 | 1962-01-31 | Jozef Harley | Improvements in or relating to absorption refrigerating apparatus |
| CN204034296U (en) * | 2013-10-30 | 2014-12-24 | 赵雪林 | A kind of distillation extraction element |
| CN108019838A (en) * | 2017-11-22 | 2018-05-11 | 郑州游爱网络技术有限公司 | air purifier with humidification function |
| CN108380010A (en) * | 2018-05-06 | 2018-08-10 | 安徽宏实自动化装备有限公司 | A kind of disturbed flow type gas-liquid separation retracting device |
| CN108759083A (en) * | 2018-07-18 | 2018-11-06 | 江苏隆鑫环保科技有限公司 | A kind of air heater |
| CN208436558U (en) * | 2018-07-20 | 2019-01-29 | 江西云威新材料有限公司 | A kind of lithium mine baking flue gas processing unit in lithium carbonate technique |
| CN212396239U (en) * | 2019-12-16 | 2021-01-26 | 四川宇伦环保设备有限公司 | A dirty gas cleaning device for boiler |
| CN211513945U (en) * | 2019-12-23 | 2020-09-18 | 无锡市蓝天水处理设备有限公司 | Air heating drying device |
| CN212068083U (en) * | 2020-02-06 | 2020-12-04 | 李国朋 | Industrial furnace kiln discharge system |
| CN111646828A (en) * | 2020-05-25 | 2020-09-11 | 扬州地平线新能源环境技术有限公司 | Organic fertilizer production system and production method |
| CN213408189U (en) * | 2020-09-23 | 2021-06-11 | 杭州欧迈克动力设备有限公司 | Energy-saving freezing type dryer capable of strengthening heat exchange |
| CN112675648A (en) * | 2020-12-02 | 2021-04-20 | 杨振华 | Energy-saving air purification equipment and use method thereof |
| CN112755743A (en) * | 2021-01-11 | 2021-05-07 | 宁夏首朗吉元新能源科技有限公司 | Tail gas recovery equipment and method for ferroalloy industrial tail gas fermentation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308968A (en) * | 2021-11-25 | 2022-04-12 | 无锡荣浦科技有限公司 | Low-noise automatic ventilation cleaning device for chemical laboratory of harmful gas |
| CN114225609A (en) * | 2021-12-24 | 2022-03-25 | 中国建筑第五工程局有限公司 | Circulating dust removal equipment for carbon neutralization and dust removal method thereof |
| CN116585839A (en) * | 2023-05-17 | 2023-08-15 | 安徽中执环境工程有限公司 | Electrolyte tail gas condensation treatment equipment |
| CN116585839B (en) * | 2023-05-17 | 2025-02-18 | 安徽中执环境工程有限公司 | Electrolyte tail gas condensation treatment equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113477078B (en) | 2023-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113477078A (en) | Microbial fermentation tail gas treatment device and method for biological product | |
| JP2007237140A (en) | Desalination equipment | |
| CN207661867U (en) | Air purifier | |
| CN113003917A (en) | Sludge low-temperature drying machine based on tail gas purification function | |
| JP3606980B2 (en) | Ultrasonic fractionation method and apparatus, and high-concentration alcohol separation method and apparatus | |
| CN210993075U (en) | Environment-friendly exhaust device | |
| CN109899851A (en) | Fume purifying all-in-one machine | |
| KR20030012055A (en) | salt manufacturing method, and apparatus for the same | |
| JP4403254B2 (en) | Liquid recovery apparatus and liquid fractionation apparatus | |
| CN114959145B (en) | Blast furnace gas dry method cloth bag dust collector with waste residue dispersion powder subassembly | |
| CN111330236A (en) | Ball cleaning equipment for physical education teaching | |
| CN114652878B (en) | Biological detection instrument disinfection device and disinfection method | |
| CN116608528A (en) | Ventilation unit that laboratory used | |
| CN210409568U (en) | High-efficiency reboiler | |
| CN209553642U (en) | A kind of machine integrated feeding device of prepared slices of Chinese crude drugs packaging | |
| CN2607207Y (en) | Food refuse treater | |
| CN220519050U (en) | Movable control room with refrigeration and dehumidification effects for adding powdered carbon | |
| CN209740753U (en) | Heavy metal recovery equipment for wastewater sedimentation tank | |
| CN118149417A (en) | Consumable-free sterilizing fog-cleaning type multifunctional air purifier and application method thereof | |
| CN113426234A (en) | Steel rolling dust collector that resource was recycled | |
| CN114719621A (en) | Furnace body flue gas purification device and purification method for pottery | |
| CN217511190U (en) | Receive rotatory evaporimeter of liquid fast | |
| CN113245027A (en) | Efficient solid waste treatment integrated device | |
| CN221155393U (en) | Seafood juice concentration equipment | |
| CN207928744U (en) | Evaporator and its heat exchange mechanisms |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230914 Address after: No. 168 Xiangdongnan Road, Tianxin District, Changsha City, Hunan Province, 410000 Applicant after: Hunan Textile Design Institute Co.,Ltd. Address before: 510000 Huazi Industrial Park, Shilou Town, Panyu District, Guangzhou City, Guangdong Province (phase I plant a) Applicant before: Peng Wanhong |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |