CN215593487U - Device for biologically pulping paper pulp by using ship - Google Patents
Device for biologically pulping paper pulp by using ship Download PDFInfo
- Publication number
- CN215593487U CN215593487U CN202121257110.8U CN202121257110U CN215593487U CN 215593487 U CN215593487 U CN 215593487U CN 202121257110 U CN202121257110 U CN 202121257110U CN 215593487 U CN215593487 U CN 215593487U
- Authority
- CN
- China
- Prior art keywords
- pulp
- paper pulp
- bin
- pipeline
- pulping
- 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.)
- Expired - Fee Related
Links
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 51
- 238000004537 pulping Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000000855 fermentation Methods 0.000 claims abstract description 67
- 230000004151 fermentation Effects 0.000 claims abstract description 66
- 239000002918 waste heat Substances 0.000 claims abstract description 22
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 238000004321 preservation Methods 0.000 claims description 18
- 239000011265 semifinished product Substances 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000002775 capsule Substances 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 239000002023 wood Substances 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Paper (AREA)
Abstract
The utility model relates to the technical field of pulping and papermaking industry, in particular to a device for carrying out biological pulping on paper pulp by using a ship. The utility model provides an utilize boats and ships to carry out biological slurrying of paper pulp device, includes cargo ship, water circulation processing apparatus which characterized in that: the left side top of cargo ship is equipped with earth's surface conveyor, and earth's surface conveyor's below right side is equipped with paper pulp preparation facilities, and paper pulp preparation facilities's right side is equipped with paper pulp processing apparatus, and paper pulp processing apparatus's right side is equipped with the waste heat utilization device, and waste heat utilization device's below is equipped with water circulation processing apparatus, paper pulp preparation facilities is including tearing machine, feed bin, conveyer belt, fermentation storehouse, secondary fermentation storehouse. Compared with the prior art, the utility model realizes biological pulping in the ship transportation process, recycles the heat generated in the ship transportation process, has no pollution in the whole transportation process, effectively reduces the cost of paper pulp transportation, accelerates the paper pulp trade and reduces the pollution of the paper pulp transportation to the environment.
Description
Technical Field
The utility model relates to the technical field of pulping and papermaking industry, in particular to a device for carrying out biological pulping on paper pulp by using a ship.
Background
Biological pulping is a disciplinary combined production process technology, which is a composite process mainly based on biological decomposition and matched with various cross combinations of physical cracking and mechanical cracking, and really realizes the desires of zero emission, no pollution, no odor, no suspended matter, water saving, electricity saving, coal saving, raw material saving and production cost reduction which are required by dreaming in the paper making industry all over the world. The method is a clean paper pulp production line, all the production water is used in a closed and circulating manner, and the method thoroughly changes the chemical pulping method which is applied all over the world and discharges waste liquid for hundreds of years. Therefore, the revolutionary innovative pulping technology taking biological pulping as a main part and physical breaking as an auxiliary part is a clean pulping and environment-friendly pulping process. The shortage of forest resources in China seriously depends on international pulp supply, so that the pulp trade is rapidly developed, and the rapid development of the pulp trade brings huge development opportunities for the ship transportation of the special pulp source. The paper pulp is used as an important raw material in the paper making industry, the market degree of the industry is high, the concentration is high, the market main body is various, and the price fluctuation is frequent. How to further reduce the cost of pulp transportation, accelerate the pulp trade and reduce the pollution of the pulp transportation to the environment is the main purpose of the research and development of the utility model.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a device for biologically pulping paper pulp by using a ship, which comprises a cargo ship and a water circulation treatment device, and is characterized in that: the left side top of the cargo ship is provided with a surface conveying device, the right side below the surface conveying device is provided with a paper pulp preparation device, the right side of the paper pulp preparation device is provided with a paper pulp treatment device, the right side of the paper pulp treatment device is provided with a waste heat utilization device, the lower part of the waste heat utilization device is provided with a water circulation treatment device, the paper pulp preparation device comprises a tearing machine, a stock bin, a first conveying belt, a fermentation bin, a secondary fermentation bin, a first water pump, a first pulp pipeline, a semi-finished product pipeline, a pressure pulp grinder and a medium-concentration pulp grinder, the right side below the surface conveying device is provided with the tearing machine, the right side of the tearing machine is provided with the stock bin, the lower part of the stock bin is connected with the fermentation bin through the first conveying belt, the right side of the fermentation bin is connected with the secondary fermentation bin through the semi-finished product pipeline, the upper part of the right side of the fermentation bin is connected with one end of the first water pump through a first pulp pipeline, the secondary fermentation bin is connected with an inlet of a pressure refiner through a semi-finished product pipeline, an outlet of the pressure refiner is connected with an inlet of a medium-concentration refiner, and an outlet of the medium-concentration refiner is connected with a paper pulp treatment device through a pipeline.
Fermentation storehouse is including fermentation storehouse shell, fermentation storehouse capsule layer, material mouth, the head starch mouth, semi-manufactured goods mouth of pipe, the feed bin passes through a conveyer belt and connects the material mouth, and the below of material mouth is equipped with fermentation storehouse shell, and the inner wall of fermentation storehouse shell is equipped with fermentation storehouse capsule layer, and the inner wall bottom right side of fermentation storehouse shell is equipped with the semi-manufactured goods mouth of pipe, and the inner wall rear side of fermentation storehouse shell is equipped with the head starch mouth of pipe.
The fermentation chamber is internally provided with a stirrer.
The primary pulp pipe orifice is connected with a first water pump through a primary pulp pipeline, the semi-finished product pipe orifice is connected with a pressure pulp grinder through a semi-finished product pipeline, and the fermentation bin and the secondary fermentation bin are identical in structure.
The earth surface conveying device comprises a crane, a temporary storage bin and a second conveying belt, the temporary storage bin is connected to the upper portion of the tearing machine through the second conveying belt, and the crane is arranged on the left side of the temporary storage bin.
The paper pulp processing apparatus is including squeezing hydroextractor, drying chamber, briquetting baling press, finished product storehouse, conveyer belt three, the other end of water pump one and the exit linkage of well concentration fiberizer squeeze the hydroextractor, the below of squeezing the hydroextractor is equipped with the drying chamber, the left side of drying chamber is passed through conveyer belt three and is connected the briquetting baling press, the below of briquetting baling press is equipped with the finished product storehouse, it passes through the sewage conduit and is connected with water circulation processing apparatus to squeeze the hydroextractor.
The waste heat utilization device comprises a boiler, a cylinder sleeve, a second water pump, a waste heat collecting device, a tail gas pipeline, a heat preservation water tank and a heat supply pipeline, the paper pulp processing device is connected with the heat preservation water tank through the heat supply pipeline, the right side of the heat preservation water tank is provided with the tail gas pipeline, the inner side of the tail gas pipeline is provided with the waste heat collecting device, the waste heat collecting device is connected with the heat preservation water tank through a first water pipe, the boiler is arranged below the tail gas pipeline, the cylinder sleeve is arranged on the upper portion of the boiler, a third water inlet of the cylinder sleeve is connected with the water circulation processing device through a third water pipe, a second water outlet of the cylinder sleeve is connected with one end of the second water pump through a second water pipe, and the other end of the second water pump is connected with the heat preservation water tank through a second water pipe.
Compared with the prior art, the utility model realizes biological pulping in the ship transportation process, recycles the heat generated in the ship transportation process, has no pollution in the whole transportation process, effectively reduces the cost of paper pulp transportation, accelerates the paper pulp trade and reduces the pollution of the paper pulp transportation to the environment.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus for biologically pulping pulp using a vessel according to the present invention.
FIG. 2 is a schematic view of the structure of the fermentation chamber of the present invention.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 2, a ground surface conveying device is arranged above the left side of a cargo ship 1, a paper pulp preparation device is arranged on the right side below the ground surface conveying device, a paper pulp treatment device is arranged on the right side of the paper pulp preparation device, a waste heat utilization device is arranged on the right side of the paper pulp treatment device, a water circulation treatment device 2 is arranged below the waste heat utilization device, the paper pulp preparation device comprises a tearing machine 7, a stock bin 8, a first conveying belt 9, a fermentation bin 10, a secondary fermentation bin 11, a first water pump 12, a first pulp pipeline 13, a semi-finished product pipeline 14, a pressure pulp grinder 15 and a medium concentration pulp grinder 16, the tearing machine 7 is arranged on the right side below the ground surface conveying device 3, the stock bin 8 is arranged on the right side of the tearing machine 7, the lower side of the stock bin 8 is connected with the fermentation bin 10 through the first conveying belt 9, the right side of the fermentation bin 10 is connected with the secondary fermentation bin 11 through the semi-finished product pipeline 14, the upper side of the fermentation bin 10 is connected with one end of the first water pump 12 through the first pulp pipeline 13, the other end of the first water pump 12 is connected with a paper pulp processing device through a pipeline, the secondary fermentation bin 11 is connected with an inlet of a pressure refiner 15 through a semi-finished product pipeline 14, an outlet of the pressure refiner 15 is connected with an inlet of a medium-concentration refiner 16, and an outlet of the medium-concentration refiner 16 is connected with the paper pulp processing device through a pipeline.
The primary pulp pipe orifice 21 is connected with the first water pump 12 through the primary pulp pipeline 13, the semi-finished product pipe orifice 22 is connected with the pressure pulping machine 15 through the semi-finished product pipeline 14, and the fermentation bin 10 and the secondary fermentation bin 11 are identical in structure.
The ground surface conveying device comprises a crane 23, a temporary storage bin 24 and a second conveying belt 25, the temporary storage bin 24 is connected to the upper portion of the tearing machine 7 through the second conveying belt 25, and the crane 23 is arranged on the left side of the temporary storage bin 24.
The paper pulp treatment device comprises a squeezing dehydrator 26, a drying chamber 27, a briquetting packer 28, a finished product bin 29 and a third conveying belt 30, the other end of the first water pump 12 and the outlet of the medium-concentration pulping machine 16 are connected with the squeezing dehydrator 26, the drying chamber 27 is arranged below the squeezing dehydrator 26, the left side of the drying chamber 27 is connected with the briquetting packer 28 through the third conveying belt 30, the finished product bin 29 is arranged below the briquetting packer 28, and the squeezing dehydrator 26 is connected with the water circulation treatment device 2 through a sewage pipeline 31.
The waste heat utilization device comprises a boiler 32, a cylinder sleeve 33, a second water pump 34, a waste heat collecting device 35, a tail gas pipeline 36, a heat preservation water tank 37 and a heat supply pipeline 38, the paper pulp processing device 5 is connected with the heat preservation water tank 37 through the heat supply pipeline 38, the tail gas pipeline 36 is arranged on the right side of the heat preservation water tank 37, the waste heat collecting device 35 is arranged on the inner side of the tail gas pipeline 36, the waste heat collecting device 35 is connected with the heat preservation water tank 37 through a first water pipe 39, the boiler 32 is arranged below the tail gas pipeline 36, the cylinder sleeve 33 is arranged on the upper portion of the boiler 32, a water inlet of the cylinder sleeve 33 is connected with the water circulation processing device 2 through a third water pipe 41, a water outlet of the cylinder sleeve 33 is connected with one end of the second water pump 34 through a second water pipe 40, and the other end of the second water pump 34 is connected with the heat preservation water tank 37 through a second water pipe 40.
When the utility model is used specifically, the method comprises the following steps:
firstly, the hoist 23 transports the wood chips to the temporary storage bin 24, the lower outlet of the temporary storage bin 24 is connected with the second conveying belt 25, and the wood chips are conveyed to the tearing machine 7 through the second conveying belt 25.
Then, the wood chips are crushed again by the tearing machine 7, the crushed wood chips are conveyed to the stock bin 8, the stock bin 8 conveys the wood chips to the material opening 19 of the fermentation bin 10 through the first conveying belt 9, meanwhile, water and bacteria are added through the material opening 19 for fermentation, and the cargo ship 1 can continuously rock in the running process, so that the wood chips and the bacteria can be uniformly mixed.
Then, the wood chips are fermented in the fermentation chamber 10, after a period of fermentation, part of the wood chips are fermented into primary pulp, in order to prevent over-fermentation, the primary pulp is pumped out through a primary pulp pipeline 13 by a water pump 12 and is conveyed to a squeezing dehydrator 26 for squeezing and dehydrating, the rest wood chips which are not completely fermented in the fermentation chamber 10 are conveyed to a secondary fermentation chamber 11 through a semi-finished product pipeline 14, after a plurality of times of fermentation treatment, the rest wood chips which are not completely fermented are conveyed to a pressure refiner 15 through the semi-finished product pipeline 14 for mechanical pulping, the wood pulp which is primarily treated by the pressure refiner 15 is conveyed to a medium concentration refiner 16 through the semi-finished product pipeline 14 for secondary treatment, the primary pulp which is generated after the secondary treatment is conveyed to the squeezing dehydrator 26 for squeezing and dehydrating, and the paper pulp which is formed after the squeezing and dehydrating by the squeezing dehydrator 26 is conveyed to a drying chamber 27 for drying, the dried paper pulp is conveyed to a briquetting and packaging machine 28 through a third conveying belt 30 for briquetting and packaging, and the packaged paper pulp is conveyed to a finished product bin 29 for storage.
Wherein, the heat emission of the cargo ship 1 is recycled in the whole working process, partial work in the working process is supplied with energy, in the working process of the boiler 32, a large amount of heat is generated, the upper part of the boiler 32 is provided with a cylinder sleeve 33, water in the cylinder sleeve 33 absorbs partial heat and is conveyed into a heat preservation water tank 37 through a water pump II 34, the inner side of a tail gas pipeline 36 is provided with a waste heat collecting device 35, when tail gas full of heat is discharged through the tail gas pipeline 36, the waste heat collecting device 35 arranged in the tail gas pipeline 36 collects and utilizes the heat and conveys the heat to the heat preservation water tank 37 through a water pipe 39, the heat preservation water tank 37 dries a drying chamber 27 through a heat supply pipeline 38, the finished product bin 29 is dried, the temperature of the fermentation bin 10 is kept for supplying heat, and sewage generated after the squeezing and dewatering of the squeezing dewatering machine 26 is conveyed into a water circulation processing device 2 carried by the ship through a sewage pipeline 31, the sewage generated by the biological pulping has little pollution and is discharged after being treated by the water circulation treatment device 2 and reaching the discharge standard.
Example 2:
in this example, only the differences from embodiment 1 are described, and the same portions as embodiment 1 will not be described again.
The stirrer 20 is arranged in the fermentation cabin capsule layer 18 of the embodiment, and the stirrer 20 can fully stir the fermented wood chips and the biological bacteria in the fermentation cabin capsule layer 18, so that the wood chips and the biological bacteria can be fully mixed.
The utility model realizes biological pulping in the ship transportation process, recycles heat generated in the ship transportation process, has no pollution in the whole transportation process, effectively reduces the cost of paper pulp transportation, accelerates the paper pulp trade and reduces the pollution of the paper pulp transportation to the environment.
Claims (7)
1. The utility model provides an utilize boats and ships to carry out paper pulp biological pulping's device, includes cargo ship (1), water cycle processing apparatus (2), its characterized in that: the ground surface conveying device is arranged above the left side of the cargo ship (1), the paper pulp preparation device is arranged on the right side of the lower portion of the ground surface conveying device, the paper pulp treatment device is arranged on the right side of the paper pulp preparation device, the waste heat utilization device is arranged on the right side of the paper pulp treatment device, the water circulation treatment device (2) is arranged below the waste heat utilization device, the paper pulp preparation device comprises a tearing machine (7), a stock bin (8), a first conveying belt (9), a fermentation bin (10), a secondary fermentation bin (11), a first water pump (12), a first pulp pipeline (13), a semi-finished product pipeline (14), a pressure pulp grinder (15) and a medium-concentration pulp grinder (16), the tearing machine (7) is arranged on the right side of the lower portion of the ground surface conveying device (3), the stock bin (8) is arranged on the right side of the tearing machine (7), and the fermentation bin (10) is connected with the lower portion of the stock bin (8) through the first conveying belt (9), the right side of the fermentation bin (10) is connected with a secondary fermentation bin (11) through a semi-finished product pipeline (14), the upper part of the right side of the fermentation bin (10) is connected with one end of a first water pump (12) through a first pulp pipeline (13), the other end of the first water pump (12) is connected with a pulp processing device through a pipeline, the secondary fermentation bin (11) is connected with an inlet of a pressure pulping machine (15) through the semi-finished product pipeline (14), an outlet of the pressure pulping machine (15) is connected with an inlet of a medium-concentration pulping machine (16), and an outlet of the medium-concentration pulping machine (16) is connected with the pulp processing device through a pipeline.
2. An apparatus for bio-pulping of pulp by means of a vessel according to claim 1, characterized in that: fermentation storehouse (10) are including fermentation storehouse shell (17), fermentation storehouse capsule layer (18), material mouth (19), the thick liquid mouth of pipe (21), semi-manufactured goods mouth of pipe (22), feed bin (8) are through conveyer belt (9) connecting material mouth (19), and the below of material mouth (19) is equipped with fermentation storehouse shell (17), and the inner wall of fermentation storehouse shell (17) is equipped with fermentation storehouse capsule layer (18), and the inner wall bottom right side of fermentation storehouse shell (17) is equipped with semi-manufactured goods mouth of pipe (22), and the inner wall rear side of fermentation storehouse shell (17) is equipped with the thick liquid mouth of pipe (21).
3. An apparatus for bio-pulping of pulp by means of a vessel according to claim 2, characterized in that: a stirrer (20) is arranged in the fermentation bin capsule layer (18).
4. An apparatus for bio-pulping of pulp by means of a vessel according to claim 2, characterized in that: the primary pulp pipe opening (21) is connected with a first water pump (12) through a primary pulp pipeline (13), the semi-finished product pipe opening (22) is connected with a pressure pulp grinder (15) through a semi-finished product pipeline (14), and the fermentation bin (10) and the secondary fermentation bin (11) are identical in structure.
5. An apparatus for bio-pulping of pulp by means of a vessel according to claim 1, characterized in that: the earth surface conveying device comprises a crane (23), a temporary storage bin (24) and a second conveying belt (25), the temporary storage bin (24) is connected to the upper portion of the tearing machine (7) through the second conveying belt (25), and the crane (23) is arranged on the left side of the temporary storage bin (24).
6. An apparatus for bio-pulping of pulp by means of a vessel according to claim 1, characterized in that: the paper pulp processing apparatus comprises a squeezing dehydrator (26), a drying chamber (27), a briquetting packer (28), a finished product bin (29) and a conveying belt III (30), the other end of a water pump I (12) and the outlet of a medium-concentration pulping machine (16) are connected with the squeezing dehydrator (26), the drying chamber (27) is arranged below the squeezing dehydrator (26), the left side of the drying chamber (27) is connected with the briquetting packer (28) through the conveying belt III (30), the finished product bin (29) is arranged below the briquetting packer (28), and the squeezing dehydrator (26) is connected with the water circulation processing apparatus (2) through a sewage pipeline (31).
7. An apparatus for bio-pulping of pulp by means of a vessel according to claim 1, characterized in that: the waste heat utilization device comprises a boiler (32), a cylinder sleeve (33), a second water pump (34), a waste heat collecting device (35), a tail gas pipeline (36), a heat preservation water tank (37) and a heat supply pipeline (38), the paper pulp treatment device (5) is connected with the heat preservation water tank (37) through the heat supply pipeline (38), the tail gas pipeline (36) is arranged on the right side of the heat preservation water tank (37), the waste heat collecting device (35) is arranged on the inner side of the tail gas pipeline (36), the waste heat collecting device (35) is connected with the heat preservation water tank (37) through a first water pipe (39), the boiler (32) is arranged below the tail gas pipeline (36), the cylinder sleeve (33) is arranged on the upper portion of the boiler (32), a water inlet of the cylinder sleeve (33) is connected with the water circulation treatment device (2) through a third water pipe (41), a water outlet of the cylinder sleeve (33) is connected with one end of the second water pump (34) through a second water pipe (40), the other end of the second water pump (34) is connected with the heat-preservation water tank (37) through a second water pipe (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121257110.8U CN215593487U (en) | 2021-06-07 | 2021-06-07 | Device for biologically pulping paper pulp by using ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121257110.8U CN215593487U (en) | 2021-06-07 | 2021-06-07 | Device for biologically pulping paper pulp by using ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215593487U true CN215593487U (en) | 2022-01-21 |
Family
ID=79874572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121257110.8U Expired - Fee Related CN215593487U (en) | 2021-06-07 | 2021-06-07 | Device for biologically pulping paper pulp by using ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215593487U (en) |
-
2021
- 2021-06-07 CN CN202121257110.8U patent/CN215593487U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105780568A (en) | Pulp making technology through performing biological enzyme softening lignin removal twice combined with mechanical method | |
| CN105696393B (en) | A kind of wet strong waste paper recycles chemical mechanical pulp-making method | |
| CN103696311B (en) | A kind of wastepaper reclaiming method | |
| CN207929755U (en) | A kind of restaurant garbage treating system | |
| CN105386349A (en) | Custom environment-friendly paper machine for office and home use | |
| CN105544264B (en) | Wet strong waste paper recycles chemical-mechanical pulping system | |
| CN109989285A (en) | A kind of straw comprehensive utilization method | |
| US7314538B2 (en) | Process and device for discharging lignocellulose raw materials from a digester and conveying the raw material to a refiner | |
| CN106256952A (en) | Utilize the method that corrugating medium's paper mill sludge and slurry produce environmental friendly regenerated bobbin body paper | |
| CN215593487U (en) | Device for biologically pulping paper pulp by using ship | |
| CN1786340A (en) | Corrugated paper produced by steam blasting straw to pulp and its production method | |
| CN102268826A (en) | Combined pulping method | |
| CN112044914B (en) | Kitchen garbage separating and degrading system and method | |
| CN105332311A (en) | Zero emission papermaking production line | |
| CN106007230A (en) | Treatment method for removing cellulose from papermaking wastewater | |
| CN205313353U (en) | Papermaking mud utilization system | |
| CN204803675U (en) | Anhydrous slurrying device | |
| CN101105011B (en) | Oxygen delignification and bleaching integration paste preparing method and device for realizing the same method | |
| CN108587869A (en) | A kind of waste dish biochemical treatment dewatering system | |
| CN208485871U (en) | A kind of waste dish biochemical treatment dewatering system | |
| CN211938384U (en) | Mechanical system for realizing solid-liquid separation of waste vegetables by applying biochemical wall breaking technology | |
| CN212397620U (en) | Biochemical treatment machine with circulating dewatering function | |
| CN210546976U (en) | Recycling device of industrial solid waste in rotary kiln | |
| CN111926602A (en) | Self-control high-temperature treatment thermo-milling type double-fermentation bio-mechanical pulp making method and pulp making equipment | |
| CN202969157U (en) | Dip-coating device for paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220121 |