CN114367501A - Recycled paper cleaning system and control method thereof - Google Patents
Recycled paper cleaning system and control method thereof Download PDFInfo
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- CN114367501A CN114367501A CN202210008355.XA CN202210008355A CN114367501A CN 114367501 A CN114367501 A CN 114367501A CN 202210008355 A CN202210008355 A CN 202210008355A CN 114367501 A CN114367501 A CN 114367501A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 238000004537 pulping Methods 0.000 claims abstract description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 230000000844 anti-bacterial effect Effects 0.000 claims description 6
- 239000003899 bactericide agent Substances 0.000 claims description 6
- 239000002781 deodorant agent Substances 0.000 claims description 6
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000002070 germicidal effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 241000894006 Bacteria Species 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 3
- 235000019698 starch Nutrition 0.000 description 3
- 239000008107 starch Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 235000013527 bean curd Nutrition 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Paper (AREA)
Abstract
The invention discloses a recycled paper cleaning system and a control method thereof in the technical field of recycled paper manufacturing, and aims to solve the problems of waste of water resources, production of rotten pulp and odor in the production process and the like in the prior art. The cleaning system includes: a pulping tank, a pulp flowing tank, a paper forming system and a water circulating system; the pulp tank is connected to the pulping tank through a first pipeline; the pulping tank is connected to the pulp flowing tank through a second pipeline; the pulp flow tank is connected to a paper forming system through a third pipeline; a first interface at the joint of the first pipeline and the pulping tank is connected with a second interface at the joint of the third pipeline and the paper forming system through a fourth pipeline; and a water inlet pipe and a water outlet pipe of the water circulation system are respectively connected with the fourth pipeline. The invention is suitable for the quality of manufacturing and producing recycled paper, can protect the water resource from being used to some extent, and reduces the rotten pulp, bacteria, odor and the like generated by a pipeline in the production process.
Description
Technical Field
The invention relates to a recycled paper cleaning system and a control method thereof, belonging to the technical field of recycled paper manufacturing.
Background
With the continuous development of domestic economy and the rapid development and popularization of electronic commerce, the packaging requirements of people on articles are increasingly improved, most articles are packaged by recycled paper, and a large amount of rotten pulp is generated in the manufacturing process of the recycled paper, so that a large amount of odor is generated. The bean curd has peculiar smell to affect the physical and mental health of the operating personnel. Meanwhile, the combination of the rotten pulp with other organic matters and inorganic matters can form rotten pulp slime deposits, which seriously affects the continuous production and papermaking benefits of a paper machine.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a recycled paper cleaning system and a control method thereof; the cleaning system is beneficial to the connection of pipelines which generate the rotten pulp in the process from the paper pulp making to the paper making, so that the rotten pulp is effectively removed, the paper making quality is improved, and the paper making machine is not influenced by the rotten pulp.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in one aspect, the invention provides a recycled paper cleaning system, which comprises a pulping tank, a pulp flowing tank, a paper forming system and a water circulation system, wherein the pulping tank is arranged above the paper forming system; the pulp tank is connected to the pulping tank through a first pipeline; the pulping tank is connected to the pulp flowing tank through a second pipeline; the pulp flow tank is connected to a paper forming system through a third pipeline; a first interface at the joint of the first pipeline and the pulping tank is connected with a second interface at the joint of the third pipeline and the paper forming system through a fourth pipeline; and a water inlet pipe and a water outlet pipe of the water circulation system are respectively connected with the fourth pipeline.
Further, a first valve is arranged at an outlet of the pulping tank; and a second valve is arranged at the inlet of the paper forming system.
Furthermore, a storage bin for putting in the sterilizing deodorant is arranged on a water inlet pipe of the water circulation system.
Furthermore, a third valve is arranged on the water inlet pipe; and a fourth valve is arranged on the water outlet pipe.
Furthermore, a circulating water pump is arranged on the fourth pipeline.
Further, the pulping tank is connected with the water circulation system.
In another aspect, the present invention provides a control method of a recycled paper cleaning system, including any one of the above recycled paper cleaning systems, including:
the method comprises the following steps:
closing the first valve, the second valve, the fourth valve and the circulating water pump, opening the third valve, putting in the sterilization deodorant, and sending the water mixed bactericide of the water circulating system into the first pipeline, the second pipeline and the third pipeline;
step two:
closing the third valve, starting the circulating water pump, and circularly cleaning the first pipeline, the second pipeline and the third pipeline by the water mixed with the bactericide;
step three:
and closing the circulating water pump, opening the fourth valve and discharging the water carrying the putrefactive substances in the first pipeline, the second pipeline and the third pipeline.
Further, caustic soda is contained in the sterilizing deodorant.
Compared with the prior art, the invention has the following beneficial effects:
the recycled paper cleaning system provided by the invention can ensure that the pollution of the rotten pulp, bacteria and the like generated in the pulp making tank, the pulp forming tank, the pulp flowing tank and the paper forming system is eliminated through the cleaning system, so that the working efficiency of paper making is improved, and the generated starch, the bred bacteria, the rotten pulp and the like are solved in the process of flowing paper pulp; reduce the problems of paper stain, holes and the like in the paper forming process caused by the rotten pulp, reduce the paper breaking problem caused by the rotten pulp, and improve the operating efficiency of the paper machine
According to the control method of the recycled paper cleaning system, the recycled paper cleaning system is controlled through the operation method, timely sterilization and disinfection are guaranteed in the process of producing recycled paper into recycled paper, the produced starch is washed, bacteria are prevented from breeding through a pipeline, and the operation efficiency of paper manufacturing is guaranteed.
Drawings
FIG. 1 is a block diagram of a recycled paper cleaning system provided by an embodiment;
FIG. 2 is a flow chart of a control method of a recycled paper cleaning system provided by an embodiment;
in the figure: 1. a pulping tank; 2. a pulping tank; 3. a slurry flowing tank; 4. a paper forming system; 5. a water circulation system; 6. a storage bin; 7. a water circulating pump; 8. a first conduit; 9. a second conduit; 10. a third pipeline; 11. a fourth conduit; 12. a water inlet pipe; 13. a water outlet pipe; 14. a first valve; 15. a second valve; 16. a third valve; 17. and a fourth valve.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1:
referring to fig. 1, the present embodiment provides a recycled paper cleaning system including: a pulping tank 1, a pulping tank 2, a pulp flowing tank 3, a paper forming system 4 and a water circulating system 5. Starch is easily produced on the first pipe 8 of the machine chest 1 flowing through the machine chest 2. The pulp forming pool 2 is connected with the pulp flowing pool 3 through a second pipeline 9, the pulp flowing pool 3 is connected with the paper forming system 4 through a third pipeline 10, and bacteria are easily generated in the pipeline from the pulp forming pool 2 to the paper forming system 4 to form rotten pulp. Between the machine chest 2 and the paper forming system 4, other systems and devices can be provided, through which flowing liquids, such as pulp, can be conveyed via pipe connections, and can be cleaned. First pipeline 8 and third pipeline 10 are connected through fourth pipeline 11, are provided with inlet tube 12 and outlet pipe 13 on the water circulating system 5, and this inlet tube 12 and outlet pipe 13 are connected with fourth pipeline 11 respectively, and water flows into first pipeline 8, second pipeline 9, third pipeline 10 through inlet tube 12, washs impurity, the bacterium in the pipeline and erodees, flows into water circulating system 5 by outlet pipe 13 and carries out sewage purification.
Specifically, a first valve 14 is arranged at the outlet of the pulping tank 1, and the pulping tank 1 is controlled by opening and closing the first valve 14. The pulp in the pulp making tank 1 is discharged and water is prevented from entering the pulp making tank in the process of preventing the pipeline from being cleaned. A second valve 15 is arranged at the inlet of the paper forming system 4, and water is prevented from entering the paper forming system 4 in the cleaning process through the on-off control of the second valve 15.
Specifically, the storage bin 6 is arranged on the water inlet pipe 12 of the circulating water system, the storage bin 6 can store agents for cleaning pipelines such as disinfection, sterilization and deodorization, required agents can be put in the storage bin 6 in the water inlet process, and the first pipeline 8, the second pipeline 9 and the third pipeline 10 are sterilized, deodorized and the like.
Specifically, set up third valve 16 on inlet tube 12, guarantee the reasonable management and control of wasing water, prevent excessive waste. The fourth valve 17 is arranged on the water outlet pipe 13, so that the sewage after being discharged and cleaned completely enters the water circulation system 5, the backflow generated after the water is discharged from the water outlet pipe 13 is prevented, and the sewage enters the first pipeline 8, the second pipeline 9 and the third pipeline 10 after entering the fourth pipeline 11 to influence the quality of the manufactured paper.
Specifically, be provided with circulating water pump 7 on fourth pipeline 11, guarantee that the water circulates many times and fully washs the pollutant that produces of the pipe wall of first pipeline 8, second pipeline 9, third pipeline 10, can guarantee to add effective combination such as adding medicaments such as disinfecting, disinfection, deodorization and corresponding bacterium odor molecule, guarantee in the pipe wall and the cleanness in the pipe targets in place.
Specifically, the pulping tank 1 is connected with the water circulation system 5, and the water circulation system 5 purifies sewage and then recycles the sewage into the pulping tank 1, so that water resources are effectively saved.
Example 2:
referring to fig. 1, the present embodiment provides a control method of a recycled paper cleaning system, the control method including:
the method comprises the following steps: the first valve 14, the second valve 15, the fourth valve 17 and the circulating water pump 7 are closed, the third valve 16 is opened, the sterilization deodorant is put in, and the water mixed bactericide in the water circulating system 5 is sent into the first pipeline 8, the second pipeline 9 and the third pipeline 10.
Specifically, the third valve 16 is opened to ensure that the pipeline is filled with the cleaning water. The pollution of accessible to the pipeline detects, and the pollution component that detects corresponds adds corresponding medicament in storage storehouse 6, carries out the right amount according to the pollution degree and controls the medicament.
Step two:
closing the third valve 16, starting the circulating water pump 7, and circularly cleaning the first pipeline 8, the second pipeline 9 and the third pipeline 10 by the water mixed with the bactericide; the circulating water pump 7 ensures that water in the pipe is in a flowing state, ensures that the medicament is effectively contacted with a pollution source, and provides cleanliness.
Step three:
and (3) closing the circulating water pump 7, opening a fourth valve 17, removing the water carrying the putrefactive substances in the first pipeline 8, the second pipeline 9 and the third pipeline 10, closing the circulating water pump 7 after the water is fully cleaned, opening the fourth valve 17 to send the water of the putrefactive substances into a circulating water system through a water outlet pipe 13, and changing the sewage into reusable water under the purification effect of the circulating water system.
Specifically, caustic soda is put in the storage bin 6, and after being collected, the odor in the pipe in the cleaning process fully reacts with caustic soda solution in the upward flowing process, so that odor is lost by changing the original structure of odor molecules, and air pollution is reduced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A recycled paper cleaning system, the cleaning system comprising: a pulping tank, a pulp flowing tank, a paper forming system and a water circulating system; the pulp tank is connected to the pulping tank through a first pipeline; the pulping tank is connected to the pulp flowing tank through a second pipeline; the pulp flow tank is connected to a paper forming system through a third pipeline; the first pipeline is connected with the third pipeline through a fourth pipeline; and a water inlet pipe and a water outlet pipe of the water circulation system are respectively connected with the fourth pipeline.
2. The recycled paper cleaning system of claim 1, wherein a first valve is provided at the outlet of the pulping tank; and a second valve is arranged at the inlet of the paper forming system.
3. The recycled paper cleaning system as claimed in claim 1, wherein a storage bin for putting in sterilizing deodorant is arranged on the water inlet pipe of the water circulation system.
4. The recycled paper cleaning system as claimed in claim 1, wherein a third valve is disposed on the water inlet pipe; and a fourth valve is arranged on the water outlet pipe.
5. The recycled paper cleaning system as claimed in claim 1, wherein a circulating water pump is provided on the fourth pipeline.
6. A recycled paper cleaning system as claimed in claim 1, wherein said pulping tank is connected to said water circulation system.
7. The control method of the recycled paper cleaning system according to any one of claims 1 to 6, comprising:
the method comprises the following steps:
closing the first valve, the second valve, the fourth valve and the circulating water pump, opening the third valve, putting in the sterilization deodorant, and sending the water mixed bactericide of the water circulating system into the first pipeline, the second pipeline and the third pipeline;
step two:
closing the third valve, starting the circulating water pump, and circularly cleaning the first pipeline, the second pipeline and the third pipeline by the water mixed with the bactericide;
step three:
and closing the circulating water pump, opening the fourth valve and discharging the water carrying the putrefactive substances in the first pipeline, the second pipeline and the third pipeline.
8. The method of controlling a recycled paper cleaning system as claimed in claim 7, wherein caustic soda is contained in said germicidal deodorizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008355.XA CN114367501A (en) | 2022-01-06 | 2022-01-06 | Recycled paper cleaning system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210008355.XA CN114367501A (en) | 2022-01-06 | 2022-01-06 | Recycled paper cleaning system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114367501A true CN114367501A (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210008355.XA Pending CN114367501A (en) | 2022-01-06 | 2022-01-06 | Recycled paper cleaning system and control method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977519Y (en) * | 2006-12-04 | 2007-11-21 | 天津钢管集团有限公司 | Cleaning device for closed circulation water system |
| CN101435171A (en) * | 2008-12-17 | 2009-05-20 | 安徽山鹰纸业股份有限公司 | Method for producing recuperated yarn tube base paper by using waste slag and product thereof |
| CN206897993U (en) * | 2017-06-29 | 2018-01-19 | 云南联昂科技有限公司 | Filter stick transmission pipeline on-line cleaning equipment |
| CN207748906U (en) * | 2017-12-12 | 2018-08-21 | 江苏天美健大自然生物工程有限公司 | Purified water and its pipeline sterilization system |
| CN207823473U (en) * | 2017-08-31 | 2018-09-07 | 天津天易海洋管道测试服务有限公司 | Circle irrigation system |
| CN108978319A (en) * | 2018-07-12 | 2018-12-11 | 福建省晋江优兰发纸业有限公司 | A kind of Novel copying paste-making method made of paper |
| CN110565744A (en) * | 2019-09-11 | 2019-12-13 | 沈阳建筑大学 | intelligent control water supply system and water supply method |
| CN211488924U (en) * | 2019-11-22 | 2020-09-15 | 石家庄钢铁有限责任公司 | Online cleaning device for slag flushing water pipeline of blast furnace |
| CN211886235U (en) * | 2019-12-24 | 2020-11-10 | 玖龙纸业（太仓）有限公司 | Closed cleaning and deodorizing system |
| CN212418997U (en) * | 2020-05-28 | 2021-01-29 | 贵州百灵企业集团制药股份有限公司 | Circulating water cleaning system of belt type vacuum drier |
| CN213977605U (en) * | 2020-10-23 | 2021-08-17 | 宁波乐惠国际工程装备股份有限公司 | Automatic wine brewing device |
-
2022
- 2022-01-06 CN CN202210008355.XA patent/CN114367501A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200977519Y (en) * | 2006-12-04 | 2007-11-21 | 天津钢管集团有限公司 | Cleaning device for closed circulation water system |
| CN101435171A (en) * | 2008-12-17 | 2009-05-20 | 安徽山鹰纸业股份有限公司 | Method for producing recuperated yarn tube base paper by using waste slag and product thereof |
| CN206897993U (en) * | 2017-06-29 | 2018-01-19 | 云南联昂科技有限公司 | Filter stick transmission pipeline on-line cleaning equipment |
| CN207823473U (en) * | 2017-08-31 | 2018-09-07 | 天津天易海洋管道测试服务有限公司 | Circle irrigation system |
| CN207748906U (en) * | 2017-12-12 | 2018-08-21 | 江苏天美健大自然生物工程有限公司 | Purified water and its pipeline sterilization system |
| CN108978319A (en) * | 2018-07-12 | 2018-12-11 | 福建省晋江优兰发纸业有限公司 | A kind of Novel copying paste-making method made of paper |
| CN110565744A (en) * | 2019-09-11 | 2019-12-13 | 沈阳建筑大学 | intelligent control water supply system and water supply method |
| CN211488924U (en) * | 2019-11-22 | 2020-09-15 | 石家庄钢铁有限责任公司 | Online cleaning device for slag flushing water pipeline of blast furnace |
| CN211886235U (en) * | 2019-12-24 | 2020-11-10 | 玖龙纸业（太仓）有限公司 | Closed cleaning and deodorizing system |
| CN212418997U (en) * | 2020-05-28 | 2021-01-29 | 贵州百灵企业集团制药股份有限公司 | Circulating water cleaning system of belt type vacuum drier |
| CN213977605U (en) * | 2020-10-23 | 2021-08-17 | 宁波乐惠国际工程装备股份有限公司 | Automatic wine brewing device |
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