CN112391862A - Intelligent recycled paper pulp production line and working method thereof - Google Patents
Intelligent recycled paper pulp production line and working method thereof Download PDFInfo
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- CN112391862A CN112391862A CN202011209774.7A CN202011209774A CN112391862A CN 112391862 A CN112391862 A CN 112391862A CN 202011209774 A CN202011209774 A CN 202011209774A CN 112391862 A CN112391862 A CN 112391862A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/08—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags
- D21B1/10—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags by cutting actions
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/342—Mixing apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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Abstract
The invention belongs to the field of pulping, and particularly discloses an intelligent recycled paper pulp production line and a working method thereof, wherein the production line comprises a crusher (100), a preheater (200) and a pulping machine (300) which are sequentially connected; the pulverizer (100) comprises a pulverizer feeding hole (110), tangential pulverizing knives (120), rotary pulverizing knives (130), a filtering screen (140) and an air pump (150); the preheating machine (200) comprises a spray header (210), a conveying belt (220), a heating liquid storage tank (230), a preheating machine feed inlet (240), a circulating pump (250) and a temperature sensor (260); the pulping machine (300) comprises a pulping machine feed port (310), a pulping liquid feed pump (320), a stirrer (330), a pulp concentration sensor (340) and a pulp outlet pump (350); the intelligent recycled paper pulp production line disclosed by the invention is compact in structure, high in integration level, high in intelligent degree and high in pulping efficiency, and integrates all functions of crushing, preheating and paper pulp.
Description
Technical Field
The invention belongs to the field of pulping, and particularly discloses an intelligent recycled paper pulp production line and a working method thereof.
Technical Field
The paper pulp is a fibrous substance prepared by using plant fibers as raw materials through different processing methods. Mechanical pulp, chemical pulp and chemimechanical pulp can be classified according to the processing method; the fiber raw materials can also be divided into wood pulp, straw pulp, hemp pulp, reed pulp, cane pulp, bamboo pulp, rag pulp and the like according to the used fiber raw materials. And can be divided into refined pulp, bleached pulp, unbleached pulp, high-yield pulp, semi-chemical pulp and the like according to different purities. Are commonly used in the manufacture of paper and paperboard. Refined pulp is often used as a raw material for producing cellulose derivatives such as cellulose esters and cellulose ethers, in addition to specialty paper. Also used in the fields of artificial fiber, plastic, paint, film, gunpowder and the like. China is a big paper-making country, the demand of paper pulp is increased year by year, the original paper pulp obtained from plants cannot meet the social demand, and the environment is further deteriorated; meanwhile, China also can generate a large amount of waste paper every year, and how to change waste into valuable is also a hot spot of current research. The existing waste paper recycling pulping production line has low intelligent degree and high energy consumption, so that a novel intelligent recycling paper pulp production line is urgently needed.
Disclosure of Invention
Aiming at the situation, the invention discloses an intelligent recycled paper pulp production line and a working method thereof, which have high intelligent degree and high pulping efficiency.
The scheme of the invention is as follows:
an intelligent production line for recovering paper pulp comprises a pulverizer, a preheating machine and a pulping machine which are connected in sequence; the pulverizer comprises a pulverizer feeding hole, a tangential pulverizing knife, a rotary pulverizing knife, a filtering screen and an air pump; the preheating machine comprises a spray header, a conveying belt, a heating liquid storage tank, a preheating machine feeding port, a circulating pump and a temperature sensor; the pulping machine comprises a pulping machine feeding hole, a pulping liquid feeding pump, a stirrer, a pulp concentration sensor and a pulp outlet pump; the crusher is a vertical hollow rectangle, and the feeding port of the crusher is positioned at the top of the crusher and is funnel-shaped; the tangential crushing cutter is arranged at the middle upper part in the crusher and is a crushing cutter which is arranged in parallel relatively; the rotary crushing knife is positioned below the tangential crushing knife, and a rotating shaft of the rotary crushing knife is vertical to a rotating shaft of the tangential crushing knife; the filtering screen is arranged below the rotary crushing knife; the air suction pump is arranged on one side of the bottom of the pulverizer and is communicated with the bottom of the pulverizer through a pipeline; the preheating machine is a hollow rectangular box body; the spray header is arranged at the top of the interior of the preheating machine; the conveying belt is positioned right below the spray header and penetrates through the upper part of the preheating machine; the feed inlet of the preheating machine is positioned above one end of the conveying belt, and is communicated with the air suction pump through a pipeline; the heating liquid storage tank is arranged at the middle lower part of the preheating machine, and the temperature sensor is arranged on the inner wall of the heating liquid storage tank; the circulating pump is communicated with the heating liquid storage tank and the spray header through a pipeline; the pulping machine is a cylindrical hollow box body, a feeding hole of the pulping machine is arranged on one side of the top of the pulping machine, and the feeding hole of the pulping machine is positioned below one end of the conveying belt; the pulping liquid feeding pump is positioned on the other side of the top of the pulping machine; the stirrer is arranged in the pulping machine, and the rotating shaft of the stirrer is coaxial with the pulping machine; the lower side wall in the pulping machine is provided with the pulp concentration sensor; the slurry pump-out pump is arranged on one side of the pulping machine and is communicated with the lower part of the pulping machine through a pipeline.
Further, according to the intelligent recycled paper pulp production line, the tangential crushing cutters are arranged in a left-right tangential mode, and the number of the cutters is 4-10.
Further, in the above intelligent recycled pulp production line, the rotary crushing cutter is provided with 4-8 blades.
Further, above-mentioned intelligent recycled paper pulp production line, be provided with the electromagnetic shaker on the lateral wall outside of rubbing crusher feed inlet.
Further, above-mentioned intelligent recycled pulp production line, the lateral wall inboard of rubbing crusher feed inlet is provided with infrared sensor, infrared sensor with aspiration pump electric connection.
Further, in the above intelligent recycled paper pulp production line, the number of the spray headers is 5.
Furthermore, in the above intelligent recycled pulp production line, the slurry concentration sensor is electrically connected to the slurry feeding pump, the stirrer and the slurry pump-out pump respectively.
Further, the working method of the intelligent recycled paper pulp production line comprises the following steps:
a: crushing: the method comprises the following steps that workers throw collected waste paper into a crusher from a crusher feed inlet of the crusher to crush the waste paper, firstly, large waste paper is crushed into small pieces by a tangential crushing knife, then the small pieces are crushed into smaller pieces by a rotary crushing knife, the smaller pieces are filtered by a filter screen to form paper scraps, and the paper scraps are pumped out by an air pump and enter a feed inlet of a preheater;
b: preheating: the paper scraps enter a conveyer belt of a preheating machine, a circulating pump extracts pretreatment liquid from a heating liquid storage tank and enters a spray head, the pretreatment liquid is sprayed out to preheat and prewet the paper scraps, and then the paper scraps fall into a feed port of a pulping machine;
c: pulping: the pulping liquid is pumped into a pulping machine by a pulping liquid feeding pump, and is stirred into paper pulp under the stirring of a stirrer; pumped out by a slurry pump-out pump to the next process.
The invention has the following beneficial effects: the intelligent recycled paper pulp production line has the advantages of compact structure, high integration level, functions of pulping, crushing, preheating, humidifying, wastewater circulation, crushing, preheating and paper pulp close combination, and the three processes are connected in a ring-by-ring manner; furthermore, an infrared sensor is arranged in the crushing process, so that the blockage condition of a feed port of the crusher can be monitored, and an air suction pump is intelligently started to timely clean the transported paper scraps; furthermore, a slurry concentration sensor is arranged in the pulping machine, and when the slurry concentration meets the product requirement, a slurry pump-out pump can be started to pump out the slurry.
Drawings
FIG. 1 is a schematic diagram of an intelligent recycled pulp production line of example 1;
FIG. 2 is a schematic diagram of an intelligent recycled pulp production line of example 2;
wherein; a pulverizer 100, a preheater 200, a pulper 300, a pulverizer feed inlet 110, a vibrator 111, an infrared sensor 112, a tangential pulverizing knife 120, a rotary pulverizing knife 130, a filter screen 140, a suction pump 150, a shower head 210, a conveyor belt 220, a heating tank 230, a preheater feed inlet 240, a circulation pump 250, a temperature sensor 260, a pulper feed inlet 310, a pulping liquid feed pump 320, a stirrer 330, a pulp concentration sensor 340, and a pulp pump-out pump 350.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention; the experimental methods used in the following examples are all conventional methods unless otherwise specified; materials, reagents and the like used in the following examples are commercially available unless otherwise specified; the described to be measured
Example 1
An intelligent recycled pulp production line as shown in fig. 1 comprises a pulverizer 100, a preheater 200 and a pulper 300 which are connected in sequence; the pulverizer 100 comprises a pulverizer feed inlet 110, a tangential pulverizing knife 120, a rotary pulverizing knife 130, a filter screen 140 and an air pump 150; the preheating machine 200 comprises a spray header 210, a conveying belt 220, a heating liquid storage tank 230, a preheating machine feed inlet 240, a circulating pump 250 and a temperature sensor 260; the pulper 300 comprises a pulper feed inlet 310, a pulping liquid feed pump 320, a stirrer 330, a pulp concentration sensor 340 and a pulp pump-out pump 350; the pulverizer 100 is in a vertical hollow rectangle shape, and the pulverizer feed inlet 110 is positioned at the top of the pulverizer 100 and is in a funnel shape; the tangential crushing knife 120 is arranged at the middle upper part inside the crusher 100 and is a crushing knife which is relatively arranged in parallel; the rotary crushing knife 130 is positioned below the tangential crushing knife 120, and the rotating shaft of the rotary crushing knife 130 is perpendicular to the rotating shaft of the tangential crushing knife 120; the filtering screen 140 is disposed below the rotary pulverizing knife 130; the air pump 150 is arranged on one side of the bottom of the pulverizer 100 and is communicated with the bottom of the pulverizer 100 through a pipeline; the preheating machine 200 is a hollow rectangular box body; the spray header 210 is arranged at the top inside the preheating machine 200; the conveyer belt 220 is positioned right below the spray header, and the conveyer belt 220 penetrates through the upper part of the preheater 200; the preheater feed inlet 240 is positioned above one end of the conveyor belt 220, and the preheater feed inlet 240 is communicated with the suction pump 150 through a pipeline; the heating liquid storage tank 230 is arranged at the middle lower part of the preheating machine 200, and the temperature sensor 260 is arranged on the inner wall of the heating liquid storage tank 230; the circulating pump 250 is communicated with the heating liquid storage tank 230 and the spray header 210 through a pipeline; the pulper 300 is a cylindrical hollow box body, the pulper feed inlet 310 is formed in one side of the top of the pulper 300, and the pulper feed inlet 310 is located below one end of the conveying belt 220; the pulping liquid feeding pump 320 is positioned at the other side of the top of the pulping machine 300; the stirrer 330 is disposed inside the pulper 300, and has a rotation axis coaxial with the pulper 300; the lower side wall inside the pulper 300 is provided with the slurry concentration sensor 340; the slurry pump-out pump 350 is provided at one side of the pulper 300 and communicates with the lower portion of the pulper 300 through a pipe.
The working method of the intelligent recycled paper pulp production line comprises the following steps:
a: crushing: a worker puts collected waste paper into the crusher 100 from the crusher feed inlet 110 of the crusher 100 for crushing, firstly crushes large waste paper into small pieces by the tangential crushing knife 120, then crushes the waste paper into smaller pieces by the rotary crushing knife 130, filters the waste paper into paper scraps by the filter screen 140, pumps the paper scraps by the air pump 150, and then feeds the paper scraps into the preheater feed inlet 240;
b: preheating: the paper scraps enter a conveyer belt 220 of a preheater 200, a circulating pump 250 extracts pretreatment liquid from a heating liquid storage tank 230 and enters a spray header 210, the pretreatment liquid is sprayed out to preheat and prewet the paper scraps, and then the paper scraps fall into a feed inlet 310 of a pulping machine;
c: pulping: the pulping liquid is pumped into the pulping machine 300 by the pulping liquid feeding pump 320, and is stirred into paper pulp under the stirring of the stirrer 330; and pumped out to the next process by the slurry pump-out pump 350.
Example 2
An intelligent recycled pulp production line as shown in fig. 2 comprises a pulverizer 100, a preheater 200 and a pulper 300 which are connected in sequence; the pulverizer 100 comprises a pulverizer feed inlet 110, a tangential pulverizing knife 120, a rotary pulverizing knife 130, a filter screen 140 and an air pump 150; the preheating machine 200 comprises a spray header 210, a conveying belt 220, a heating liquid storage tank 230, a preheating machine feed inlet 240, a circulating pump 250 and a temperature sensor 260; the pulper 300 comprises a pulper feed inlet 310, a pulping liquid feed pump 320, a stirrer 330, a pulp concentration sensor 340 and a pulp pump-out pump 350; the pulverizer 100 is in a vertical hollow rectangle shape, and the pulverizer feed inlet 110 is positioned at the top of the pulverizer 100 and is in a funnel shape; the tangential crushing knife 120 is arranged at the middle upper part inside the crusher 100 and is a crushing knife which is relatively arranged in parallel; the rotary crushing knife 130 is positioned below the tangential crushing knife 120, and the rotating shaft of the rotary crushing knife 130 is perpendicular to the rotating shaft of the tangential crushing knife 120; the filtering screen 140 is disposed below the rotary pulverizing knife 130; the air pump 150 is arranged on one side of the bottom of the pulverizer 100 and is communicated with the bottom of the pulverizer 100 through a pipeline; the preheating machine 200 is a hollow rectangular box body; the spray header 210 is arranged at the top inside the preheating machine 200; the conveyer belt 220 is positioned right below the spray header, and the conveyer belt 220 penetrates through the upper part of the preheater 200; the preheater feed inlet 240 is positioned above one end of the conveyor belt 220, and the preheater feed inlet 240 is communicated with the suction pump 150 through a pipeline; the heating liquid storage tank 230 is arranged at the middle lower part of the preheating machine 200, and the temperature sensor 260 is arranged on the inner wall of the heating liquid storage tank 230; the circulating pump 250 is communicated with the heating liquid storage tank 230 and the spray header 210 through a pipeline; the pulper 300 is a cylindrical hollow box body, the pulper feed inlet 310 is formed in one side of the top of the pulper 300, and the pulper feed inlet 310 is located below one end of the conveying belt 220; the pulping liquid feeding pump 320 is positioned at the other side of the top of the pulping machine 300; the stirrer 330 is disposed inside the pulper 300, and has a rotation axis coaxial with the pulper 300; the lower side wall inside the pulper 300 is provided with the slurry concentration sensor 340; the slurry pump-out pump 350 is provided at one side of the pulper 300 and communicates with the lower portion of the pulper 300 through a pipe; preferably, the tangential crushing cutters 120 are arranged in a left-right tangential manner, and the number of the cutters is 6; further, 8 blades are arranged on the rotary crushing knife 130; particularly, a vibrator 111 is arranged on the outer side of the side wall of the feeding hole 110 of the pulverizer; further, an infrared sensor 112 is arranged on the inner side of the side wall of the crusher feed port 110, and the infrared sensor 112 is electrically connected with the air suction pump 150; specifically, the number of the shower heads 210 is 5; further, the slurry concentration sensor 340 is electrically connected to the slurry feeding pump 320, the agitator 330, and the slurry discharging pump 350, respectively.
The working method of the intelligent recycled paper pulp production line comprises the following steps:
a: crushing: a worker puts collected waste paper into the crusher 100 from the crusher feed inlet 110 of the crusher 100 for crushing, firstly crushes large waste paper into small pieces by the tangential crushing knife 120, then crushes the waste paper into smaller pieces by the rotary crushing knife 130, filters the waste paper into paper scraps by the filter screen 140, pumps the paper scraps by the air pump 150, and then feeds the paper scraps into the preheater feed inlet 240;
b: preheating: the paper scraps enter a conveyer belt 220 of a preheater 200, a circulating pump 250 extracts pretreatment liquid from a heating liquid storage tank 230 and enters a spray header 210, the pretreatment liquid is sprayed out to preheat and prewet the paper scraps, and then the paper scraps fall into a feed inlet 310 of a pulping machine;
c: pulping: the pulping liquid is pumped into the pulping machine 300 by the pulping liquid feeding pump 320, and is stirred into paper pulp under the stirring of the stirrer 330; and pumped out to the next process by the slurry pump-out pump 350.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (8)
1. An intelligent recycled pulp production line is characterized by comprising a crusher (100), a preheating machine (200) and a pulping machine (300) which are connected in sequence; the pulverizer (100) comprises a pulverizer feeding hole (110), tangential pulverizing knives (120), rotary pulverizing knives (130), a filtering screen (140) and an air pump (150); the preheating machine (200) comprises a spray header (210), a conveying belt (220), a heating liquid storage tank (230), a preheating machine feed inlet (240), a circulating pump (250) and a temperature sensor (260); the pulping machine (300) comprises a pulping machine feed port (310), a pulping liquid feed pump (320), a stirrer (330), a pulp concentration sensor (340) and a pulp outlet pump (350); the pulverizer (100) is in a vertical hollow rectangle shape, and the pulverizer feeding port (110) is positioned at the top of the pulverizer (100) and is in a funnel shape; the tangential crushing cutter (120) is arranged at the middle upper part in the crusher (100) and is a crushing cutter which is relatively arranged in parallel; the rotary crushing knife (130) is positioned below the tangential crushing knife (120), and the rotating shaft of the rotary crushing knife (130) is vertical to the rotating shaft of the tangential crushing knife (120); the filter screen (140) is arranged below the rotary crushing knife (130); the air suction pump (150) is arranged on one side of the bottom of the pulverizer (100) and is communicated with the bottom of the pulverizer (100) through a pipeline; the preheating machine (200) is a hollow rectangular box body; the spray header (210) is arranged at the top inside the preheating machine (200); the conveying belt (220) is positioned right below the spray header, and the conveying belt (220) penetrates through the upper part of the preheating machine (200); the feed inlet (240) of the preheating machine is positioned above one end of the conveying belt (220), and the feed inlet (240) of the preheating machine is communicated with the air suction pump (150) through a pipeline; the heating liquid storage tank (230) is arranged at the middle lower part of the preheating machine (200), and the temperature sensor (260) is arranged on the inner wall of the heating liquid storage tank (230); the circulating pump (250) is communicated with the heating liquid storage tank (230) and the spray header (210) through a pipeline; the pulping machine (300) is a cylindrical hollow box body, the pulping machine feed inlet (310) is formed in one side of the top of the pulping machine (300), and the pulping machine feed inlet (310) is located below one end of the conveying belt (220); the pulping liquid feeding pump (320) is positioned on the other side of the top of the pulping machine (300); the stirrer (330) is arranged inside the pulping machine (300), and the rotating shaft of the stirrer is coaxial with the pulping machine (300); the lower side wall inside the pulping machine (300) is provided with the pulp concentration sensor (340); the slurry pump-out pump (350) is provided at one side of the pulper (300) and communicates with a lower portion of the pulper (300) through a pipe.
2. An intelligent recycled pulp production line according to claim 1, wherein the tangential crushing knives (120) are arranged tangentially left and right, and the number of the knives is 4-10.
3. An intelligent recycled pulp production line according to claim 1, wherein 4-8 blades are provided on the rotary shredding knife (130).
4. An intelligent recycled pulp production line according to claim 1, characterized in that a vibrator (111) is arranged on the outer side of the side wall of the crusher feed opening (110).
5. An intelligent recycled pulp production line according to claim 1, characterized in that an infrared sensor (112) is arranged inside the side wall of the crusher feed inlet (110), and the infrared sensor (112) is electrically connected to the suction pump (150).
6. An intelligent recycled pulp production line according to claim 1, wherein the number of showerheads (210) is 5.
7. An intelligent recycled pulp production line according to claim 1, wherein the slurry concentration sensor (340) is electrically connected to the slurry feed pump (320), the agitator (330) and the slurry pump-out pump (350), respectively.
8. Method of operating an intelligent recycled pulp production line according to any of claims 1 to 7, comprising the steps of:
a: crushing: a worker puts collected waste paper into the crusher (100) from a crusher feed port (110) of the crusher (100) for crushing, firstly, large waste paper is crushed into small pieces by a tangential crushing knife (120), then the small pieces are crushed into smaller pieces by a rotary crushing knife (130), the small pieces are filtered by a filter screen (140) to form paper scraps, and the paper scraps are pumped out by an air pump (150) and enter a preheater feed port (240);
b: preheating: the paper scraps enter a conveyer belt (220) of a preheating machine (200), a circulating pump (250) extracts pretreatment liquid from a heating liquid storage tank (230) and enters a spray header (210), the pretreatment liquid is sprayed out to preheat and prewet the paper scraps, and then the paper scraps fall into a feed port (310) of a pulping machine;
c: pulping: the pulping liquid feeding pump (320) pumps the pulping liquid into the pulping machine (300), and the pulp is stirred into paper pulp by wrapping the paper scraps under the stirring of the stirrer (330); and pumped out to the next process by a slurry pump-out pump (350).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011209774.7A CN112391862A (en) | 2020-11-03 | 2020-11-03 | Intelligent recycled paper pulp production line and working method thereof |
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| CN202011209774.7A CN112391862A (en) | 2020-11-03 | 2020-11-03 | Intelligent recycled paper pulp production line and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113512895A (en) * | 2021-05-28 | 2021-10-19 | 江辉辉 | Device for recycling waste paper in paper production and manufacturing process |
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| DE102012203148B3 (en) * | 2012-02-29 | 2013-08-29 | Hans Werner | METHOD AND DEVICE FOR THE GREATER TECHNICAL PREPARATION OF BIOMASS FOR THE ENERGY EFFORT |
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Application publication date: 20210223 |