CN220224751U - Paper pulp bleaching device - Google Patents
Paper pulp bleaching device Download PDFInfo
- Publication number
- CN220224751U CN220224751U CN202321843056.4U CN202321843056U CN220224751U CN 220224751 U CN220224751 U CN 220224751U CN 202321843056 U CN202321843056 U CN 202321843056U CN 220224751 U CN220224751 U CN 220224751U
- Authority
- CN
- China
- Prior art keywords
- bleaching
- pulp
- paper pulp
- tank
- jar
- 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.)
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Links
- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 40
- 238000004076 pulp bleaching Methods 0.000 title claims abstract description 13
- 238000004061 bleaching Methods 0.000 claims abstract description 61
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000007844 bleaching agent Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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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- Paper (AREA)
Abstract
The utility model discloses a paper pulp bleaching device, which comprises a paper pulp tank, wherein a paper pulp pump is arranged on the right side of the paper pulp tank, an outlet of the paper pulp pump is connected with a paper pulp main pipe, the paper pulp main pipe is respectively connected with a first paper pulp branch pipe and a second paper pulp branch pipe, the tail end of the first paper pulp branch pipe is connected with the left side of the middle upper part of the first bleaching tank, a heating jacket is arranged at the middle lower part of a tank body of the first bleaching tank, a stirring device is arranged in the first bleaching tank, the tail end of the second paper pulp branch pipe is connected with the left side of the middle upper part of the second bleaching tank, an eight-shaped plate is arranged in the second bleaching tank, and the second bleaching tank is positioned below the first bleaching tank. The utility model can better fuse the bleaching agent and the paper pulp, and the paper pulp and the bleaching agent can be better fused together through the stirring device and the two times of mixing and stirring of the auger, thereby ensuring the bleaching effect of paper and improving the quality of paper products.
Description
Technical Field
The utility model belongs to the technical field of papermaking, and particularly relates to a paper pulp bleaching device.
Background
In the paper making process, the paper pulp is treated by a bleaching agent, colored substances and other impurities in the paper pulp are removed to improve whiteness and purity, the process is called a bleaching process, the conventionally used paper pulp bleaching tower is generally used for putting the paper pulp to be bleached into the upper part of the tower body, putting the bleaching agent into a mixing reaction for bleaching, and then obtaining the bleached pulp, and discharging the bleached pulp from the lower part of the tower body.
Disclosure of Invention
In order to solve the above problems, the inventors have developed a pulp bleaching device in long-term practice.
The technical scheme provided by the utility model is as follows: the utility model provides a paper pulp bleaching device, includes the paper pulp jar, the paper pulp pump is installed on the right side of paper pulp jar, the exit linkage of paper pulp pump has the paper pulp house steward, the paper pulp house steward is connected with first paper pulp branch pipe and second paper pulp branch pipe respectively, the terminal of first paper pulp branch pipe is connected with the well upper left side of first bleaching jar, the lower part is provided with heating jacket in the jar body of first bleaching jar, the inside of first bleaching jar is provided with agitating unit, the terminal of second paper pulp branch pipe is connected with the well upper left side of second bleaching jar, the inside of second bleaching jar is provided with "eight" word boards, the second bleaching jar is located the below of first bleaching jar.
Further, a pulp main valve is arranged on the pulp main pipe, a first pulp branch valve is arranged on the first pulp branch pipe, and a second pulp branch valve is arranged on the second pulp branch pipe.
Further, agitating unit includes first motor, first motor bottom is connected with the (mixing) shaft, fixedly connected with first stirring leaf on the (mixing) shaft, first stirring leaf divide into the three-layer, the inner wall of heating jacket closely laminates with the outer wall of first bleaching tank.
Further, the "eight" word board is "eight" word that falls, "eight" word board includes first "eight" word board and second "eight" word board, first "eight" word board is 60 contained angles with the inner wall of second bleaching jar, second "eight" word board is 45 contained angles with the inner wall of second bleaching jar, the auger is installed to the below of "eight" word board, the auger includes second motor and second stirring leaf.
Further, a first blanking self-control valve is connected to the lower portion of the first bleaching tank, the tail end of the first blanking self-control valve is connected with the top of the second bleaching tank, and a second blanking self-control valve is connected to the lower portion of the second bleaching tank.
Compared with the prior art, the utility model has the following beneficial effects: the utility model can better fuse the bleaching agent and the paper pulp by arranging the paper pulp tank, the paper pulp pump, the first bleaching tank, the second bleaching tank and other devices, and the bleaching agent is added into the first bleaching tank before the pulp in the paper pulp tank is conveyed to the first bleaching tank, then the stirring device and the auger are started, and the paper pulp and the bleaching agent can be better fused together by twice mixing and stirring of the stirring device and the auger, thereby ensuring the bleaching effect of paper and improving the quality of paper products.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals: 1. the automatic control device comprises a pulp tank, 2, a pulp pump, 3, a pulp main pipe, 4, a pulp main valve, 5, a first pulp branch pipe, 6, a first pulp branch valve, 7, a second pulp branch pipe, 8, a second pulp branch valve, 9, a first bleaching tank, 10, a first motor, 11, a stirring shaft, 12, a first stirring blade, 13, a heating jacket, 14, a first blanking automatic control valve, 15, a second bleaching tank, 16, a first splayed plate, 17, a second splayed plate, 18, a second motor, 19, a second stirring blade, 20 and a second blanking automatic control valve.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, a pulp bleaching device comprises a pulp tank 1, a pulp pump 2 is installed on the right side of the pulp tank 1, a pulp main pipe 3 is connected to an outlet of the pulp pump 2, a first pulp branch pipe 5 and a second pulp branch pipe 7 are respectively connected to the pulp main pipe 3, the tail end of the first pulp branch pipe 5 is connected to the middle-upper left side of a first bleaching tank 9, a heating jacket 13 is arranged at the middle-lower part of a tank body of the first bleaching tank 9, a stirring device is arranged in the first bleaching tank 9, the tail end of the second pulp branch pipe 7 is connected to the middle-upper left side of a second bleaching tank 15, an 'eight' -shaped plate is arranged in the second bleaching tank 15, and the second bleaching tank 15 is located below the first bleaching tank 9.
In this embodiment, the pulp header pipe 3 is provided with a pulp header valve 4, the first pulp branch pipe 5 is provided with a first pulp branch valve 6, and the second pulp branch pipe 7 is provided with a second pulp branch valve 8.
In this embodiment, the stirring device includes a first motor 10, a stirring shaft 11 is connected to the bottom of the first motor 10, a first stirring blade 12 is fixedly connected to the stirring shaft 11, the first stirring blade 12 is divided into three layers, and the inner wall of the heating jacket 13 is tightly attached to the outer wall of the first bleaching tank 9.
In this embodiment, the "eight" word board is "eight" word that falls, "eight" word board includes first "eight" word board 16 and second "eight" word board 17, first "eight" word board 16 is 60 contained angles with the inner wall of second bleaching tank 15, second "eight" word board 17 is 45 contained angles with the inner wall of second bleaching tank 15, the auger is installed to the below of "eight" word board, the auger includes second motor 18 and second stirring leaf 19. The eight-shaped plate can slow down the falling speed of the slurry, and plays a role in protecting the auger.
In this embodiment, a first blanking self-control valve 14 is connected to the lower part of the first bleaching tank 9, the end of the first blanking self-control valve 14 is connected to the top of a second bleaching tank 15, and a second blanking self-control valve 20 is connected to the lower part of the second bleaching tank 15.
When the device is specifically operated, firstly, bleaching agent is added into the first bleaching tank 9, then, a stirring device is started, steam is introduced into the heating jacket 13, the pulp pump 2 is started, pulp in the pulp tank 1 enters the first bleaching tank 1 through the pulp main pipe 3 and the first pulp branch pipe 5, the use of the heating jacket 13 can enable the pulp and the bleaching agent to be better fused, the stirred pulp enters the second bleaching tank 15 through the first blanking self-control valve 14, after the dropping speed of the pulp is slowed down through the splayed plate, the pulp is secondarily stirred by the auger, and the pulp meeting the process standard is discharged into the next process through the second blanking self-control valve 20.
When the first pulp branch 5 fails, the second pulp branch valve 8 can be opened to allow the pulp to temporarily enter the second bleaching tank 15, and after the first pulp branch 5 is maintained, the feeding of the first pulp branch 5 is resumed.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "bottom", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
It should be noted that the above embodiments are illustrative of the technical solution of the present utility model and not limiting, and that equivalents thereof or other modifications according to the prior art may be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. A pulp bleaching apparatus, characterized by: including the pulp jar, the pulp pump is installed on the right side of pulp jar, the exit linkage of pulp pump has the pulp house steward, the pulp house steward is connected with first paper pulp branch pipe and second paper pulp branch pipe respectively, the end of first paper pulp branch pipe is connected with the well upper portion left side of first bleaching jar, the lower part is provided with the heating jacket in the jar body of first bleaching jar, the inside of first bleaching jar is provided with agitating unit, the end of second paper pulp branch pipe is connected with the well upper portion left side of second bleaching jar, the inside of second bleaching jar is provided with "eight" word boards, the second bleaching jar is located the below of first bleaching jar.
2. A pulp bleaching apparatus according to claim 1, wherein: the pulp main pipe is provided with a pulp main valve, the first pulp branch pipe is provided with a first pulp branch valve, and the second pulp branch pipe is provided with a second pulp branch valve.
3. A pulp bleaching apparatus according to claim 1, wherein: the stirring device comprises a first motor, the bottom of the first motor is connected with a stirring shaft, a first stirring blade is fixedly connected to the stirring shaft and is divided into three layers, and the inner wall of the heating jacket is tightly attached to the outer wall of the first bleaching tank.
4. A pulp bleaching apparatus according to claim 1, wherein: the eight-shaped plate is in an inverted eight shape, the eight-shaped plate comprises a first eight-shaped plate and a second eight-shaped plate, the first eight-shaped plate and the inner wall of the second bleaching tank form an included angle of 60 degrees, the second 'eight' word board is 45 contained angles with the inner wall of second bleaching jar, the auger is installed to the below of "eight" word board, the auger includes second motor and second stirring leaf.
5. A pulp bleaching apparatus according to claim 1, wherein: the automatic bleaching device is characterized in that a first blanking automatic control valve is connected to the lower portion of the first bleaching tank, the tail end of the first blanking automatic control valve is connected with the top of the second bleaching tank, and a second blanking automatic control valve is connected to the lower portion of the second bleaching tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843056.4U CN220224751U (en) | 2023-07-13 | 2023-07-13 | Paper pulp bleaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843056.4U CN220224751U (en) | 2023-07-13 | 2023-07-13 | Paper pulp bleaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220224751U true CN220224751U (en) | 2023-12-22 |
Family
ID=89178345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321843056.4U Active CN220224751U (en) | 2023-07-13 | 2023-07-13 | Paper pulp bleaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220224751U (en) |
-
2023
- 2023-07-13 CN CN202321843056.4U patent/CN220224751U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |