CN108797225B - Method for producing boxboard by using waste liquor of paper mill - Google Patents
Method for producing boxboard by using waste liquor of paper mill Download PDFInfo
- Publication number
- CN108797225B CN108797225B CN201810569018.1A CN201810569018A CN108797225B CN 108797225 B CN108797225 B CN 108797225B CN 201810569018 A CN201810569018 A CN 201810569018A CN 108797225 B CN108797225 B CN 108797225B
- Authority
- CN
- China
- Prior art keywords
- waste liquid
- air drying
- fixed
- liquid treatment
- treatment tank
- 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.)
- Active
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 112
- 239000000123 paper Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 241000274582 Pycnanthus angolensis Species 0.000 title claims abstract description 15
- 239000011087 paperboard Substances 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 135
- 230000007246 mechanism Effects 0.000 claims abstract description 100
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000007605 air drying Methods 0.000 claims abstract description 56
- 239000000835 fiber Substances 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 10
- 229920001131 Pulp (paper) Polymers 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 238000005201 scrubbing Methods 0.000 claims description 6
- 239000011111 cardboard Substances 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
- D21J3/12—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of sheets; of diaphragms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
the invention relates to the technical field of recycling of waste liquid of a paper mill, in particular to a method for producing a boxboard by using the waste liquid of the paper mill. The material dragging mechanism can effectively utilize the vortex technology to drag for the fiber fine material concentrated at the central position of the waste liquid treatment tank by using the hard hairbrush, the material dragging effect is better, and the efficiency is higher. The material fishing mechanism is communicated to the air drying mechanism, the air drying mechanism can be effectively utilized to air-dry the fished fine materials, the hard hairbrush is broken away, and the fine materials enter the collecting mechanism to be recycled.
Description
Technical Field
The invention relates to the technical field of recycling of waste liquor of a paper mill, in particular to a method for producing a boxboard by using the waste liquor of the paper mill.
background
At present, the production of cardboard paper is mainly carried out by extracting papermaking fibers from wood as a raw material, and such production method consumes a large amount of wood resources, and the present wood resources are very short, so that the cost of producing cardboard paper from wood fibers as a raw material is high. The papermaking wastewater refers to wastewater generated in the pulping and papermaking process. Comprises pulping and cooking waste liquor, washing waste water, bleaching waste water, paper machine white water and the like. The papermaking wastewater has complex components and poor biodegradability, belongs to industrial wastewater which is difficult to treat, and is one of main industrial pollution sources in China.
In the waste liquid treatment process, the waste liquid contains suspended matters such as fiber fines and plant crushed aggregates, the material needs to be fished out for treatment, the traditional material fishing process is not careful, the material fishing efficiency is low, and a large amount of limiting fines still flow into the next process. And the taken-out fiber fine materials can not be effectively treated and recycled in time. In view of the above, the invention provides a method for producing a boxboard by using waste liquor of a paper mill, which produces the boxboard by using the waste liquor of the paper mill, realizes the reutilization of resources, reduces the cost and improves the environment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for producing a boxboard by using waste liquor of a paper mill. The material dragging mechanism can effectively utilize the vortex technology to drag for the fiber fine material concentrated at the central position of the waste liquid treatment tank by using the hard hairbrush, the material dragging effect is better, and the efficiency is higher. The material fishing mechanism is communicated to the air drying mechanism, the air drying mechanism can be effectively utilized to air-dry the fished fine materials, the hard hairbrush is broken away, and the fine materials enter the collecting mechanism to be recycled.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for producing linerboards from paper mill waste liquor, comprising the steps of:
The method comprises the following steps: recovering fiber fine materials from waste liquor discharged by a paper mill by using waste liquor recovery equipment;
Step two: after the fiber fine materials are recovered in the step one, stirring and crushing long fibers in the fiber fine materials into short fibers;
step three: after the second step is finished, mixing the fiber fine materials and other auxiliary raw materials according to a certain proportion to prepare paper pulp;
step four: after the paper pulp is formed in the third step, injecting the paper pulp into a paper machine, and forming, squeezing and drying to prepare the cardboard paper;
the waste liquid recovery device in the first step comprises a waste liquid treatment tank, a liquid inlet and outlet mechanism, a fixed support mechanism, a material fishing mechanism, an impurity removing mechanism, a fixed support plate, a collecting mechanism, an air drying mechanism and an opening and closing mechanism, wherein the liquid inlet and outlet mechanism is arranged on the side wall of the top end of the waste liquid treatment tank, the liquid inlet and outlet mechanism comprises a liquid outlet pipe, a liquid inlet pipe and a filter screen, the liquid outlet pipe and the liquid inlet pipe are arranged on the side wall of the top end of the waste liquid treatment tank, and the filter screen is arranged between the liquid outlet pipe and the waste liquid treatment tank; the bottom end of the waste liquid treatment tank is provided with the fixed supporting mechanism; a material fishing mechanism penetrating through the opening at the top end is arranged in the inner cavity of the waste liquid treatment tank, the material fishing mechanism comprises a fixed column, a bristle brush, a first motor, a roller, a conveyor belt and a second motor, the fixed column is arranged in the inner cavity of the waste liquid treatment tank, the top end of the fixed column penetrates through the opening at the top end of the waste liquid treatment tank, the fixed column is of a hollow cylindrical structure, the first motor is mounted at two ends of the fixed column, the roller is sleeved on the first motor, the conveyor belt is sleeved on the roller, the second motor is arranged on the conveyor belt, and the bristle brush is sleeved on the second motor; the top end of the fixed column is connected to the impurity removing mechanism, the impurity removing mechanism comprises an air drying tube, a connecting fixed rod and a partition plate, the bottom end of the connecting fixed rod is connected to the top end of the fixed column, the top end of the connecting fixed rod is connected to the top end of the inner wall of the air drying tube, the air drying tube and the fixed column are vertically arranged, the top end of the fixed column penetrates into the inner cavity of the air drying tube, the partition plate is arranged in the air drying tube, and the partition plate is arranged in the middle point of the air drying tube in parallel; the two ends of the air drying pipe are connected with the fixed supporting plates; the air drying mechanisms are symmetrically arranged on two sides of the partition board in the fixed supporting plate respectively, each air drying mechanism comprises a third motor, a first rotating column, a fan and an electric heating wire, the third motors are mounted at two ends of the air drying pipe, a rotating shaft of each third motor is sleeved with the corresponding first rotating column, the fan is arranged on the corresponding first rotating column, and the electric heating wire is arranged in a through hole in the fixed supporting plate, close to the partition board, on one side; the air drying pipe is positioned between the fixed column and the fixed supporting plate, the collecting mechanism is arranged and comprises an air outlet pipe and a collecting bag, the air outlet pipe is arranged at the bottom of the air drying pipe positioned between the fixed column and the fixed supporting plate, and the collecting bag is sleeved at an opening at the bottom end of the air drying pipe; the bottom of liquid waste treatment jar is equipped with the mechanism that opens and shuts, the mechanism that opens and shuts includes first buckle, second rotation post and stop pin, first buckle with second buckle block connect in the bottom of liquid waste treatment jar, just first buckle with the one end of second buckle is equipped with the second rotates the post, first buckle with the other end of second buckle is equipped with the stop pin.
Specifically, the waste liquid treatment jar is the polygon structure that cylindrical, bottom are the round platform shape for the top, is convenient for produce the swirl in the waste liquid treatment jar, the top of waste liquid treatment jar is equipped with circular opening, and this open-ended edge with the edge contact of scrubbing brush is connected, realizes the internal connection of waste liquid treatment jar drags for material mechanism, realizes that the scrubbing brush freely comes in and goes out simultaneously.
The liquid outlet pipe with feed liquor pipe tangential connect in the waste liquid treatment tank, just feed liquor pipe with the mutual parallel arrangement of drain pipe, just the filter screen is convex structure, just the radius of filter screen with the radius of waste liquid treatment tank equals, realizes producing the swirl in the waste liquid treatment tank, being in with spacing thin material in the waste liquid treatment tank's central point puts, is convenient for drag for the material.
Specifically, fixed stay mechanism includes first fixed disk, second fixed disk and joint support pole, first fixed disk cup joint in the bottom of waste liquid treatment jar, be connected with on the first fixed disk joint support pole's top, joint support pole's bottom connect in the second fixed disk realizes the fixed stay the waste liquid treatment jar.
Specifically, the joint support pole is equipped with three, and three the joint support pole is regular triangle and locates first fixed disk with between the second fixed disk, increase fixed stay's stability.
Specifically, the conveyer belt is evenly located in the shape of circumference on the fixed column, scrubbing brush intermittent type is located on the conveyer belt, increases the efficiency and the effect of dragging for the material.
Specifically, the collecting bag is arranged in a folding structure, and multi-stage collection is realized.
specifically, first buckle with the second buckle is the circular structure setting, just stop pin threaded connection in first buckle with between the second buckle, be convenient for fix and dismantle.
The invention has the beneficial effects that:
(1) according to the method for producing the boxboard by using the waste liquid of the paper mill, disclosed by the invention, the waste liquid is swirled in the waste liquid treatment tank by using a swirl technology, and meanwhile, the filter screen is arranged at the liquid outlet, so that the fiber fines are effectively prevented from flowing out, and the fiber fines in the waste liquid are concentrated at the central position.
(2) According to the method for producing the boxboard by using the waste liquid of the paper mill, the material fishing mechanism can effectively utilize the vortex technology to fish up the fiber fine materials concentrated at the central position of the waste liquid treatment tank by using the hard brush, so that the material fishing effect is better, and the efficiency is higher.
(3) According to the method for producing the boxboard by using the waste liquid of the paper mill, the material fishing mechanism is communicated with the air drying mechanism, so that the air drying mechanism can be effectively used for air-drying the fished fine materials, the hard hairbrush is removed, and the fine materials enter the collecting mechanism to be recycled.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a preferred embodiment of a waste liquid recovery apparatus for a paper mill according to the present invention;
FIG. 2 is a schematic top cross-sectional connection of the waste treatment tank and the liquid inlet and outlet mechanism shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the waste liquid treatment tank and the scooping mechanism shown in FIG. 1;
FIG. 4 is a cross-sectional mechanical schematic view of the airing mechanism shown in FIG. 1;
Fig. 5 is an enlarged schematic view of a portion a shown in fig. 1.
In the figure: 1. the waste liquid treatment device comprises a waste liquid treatment tank, 2, a liquid inlet and outlet mechanism, 21, a liquid outlet pipe, 22, a liquid inlet pipe, 23, a filter screen, 3, a fixed supporting mechanism, 31, a first fixed disk, 32, a second fixed disk, 33, a connecting supporting rod, 4, a material fishing mechanism, 41, a fixed column, 42, a bristle brush, 43, a first motor, 44, a roller, 45, a conveyor belt, 46, a second motor, 5, an impurity removing mechanism, 51, an air drying pipe, 52, a connecting fixed rod, 53, a partition board, 6, a fixed supporting plate, 7, a collecting mechanism, 71, an air outlet pipe, 72, a collecting bag, 8, an air drying mechanism, 81, a third motor, 82, a first rotating column, 83, a fan, 84, an electric heating wire, 9, an opening and closing mechanism, 91, a first buckle, 92, a second buckle, 93, a second rotating column, 94 and a.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a method for producing linerboards using paper mill waste liquid according to the present invention includes the steps of:
The method comprises the following steps: recovering fiber fine materials from waste liquor discharged by a paper mill by using waste liquor recovery equipment;
Step two: after the fiber fine materials are recovered in the step one, stirring and crushing long fibers in the fiber fine materials into short fibers;
Step three: after the second step is finished, mixing the fiber fine materials and other auxiliary raw materials according to a certain proportion to prepare paper pulp;
step four: after the paper pulp is formed in the third step, injecting the paper pulp into a paper machine, and forming, squeezing and drying to prepare the cardboard paper;
the waste liquid recovery device in the first step comprises a waste liquid treatment tank 1, a liquid inlet and outlet mechanism 2, a fixed support mechanism 3, a material fishing mechanism 4, an impurity removing mechanism 5, a fixed support plate 6, a collecting mechanism 7, an air drying mechanism 8 and an opening and closing mechanism 9, wherein the liquid inlet and outlet mechanism 2 is arranged on the side wall of the top end of the waste liquid treatment tank 1, the liquid inlet and outlet mechanism 2 comprises a liquid outlet pipe 21, a liquid inlet pipe 22 and a filter screen 23, the liquid outlet pipe 21 and the liquid inlet pipe 22 are arranged on the side wall of the top end of the waste liquid treatment tank 1, and the filter screen 23 is arranged between the liquid outlet pipe 21 and the waste liquid treatment tank 1; the bottom end of the waste liquid treatment tank 1 is provided with the fixed supporting mechanism 3; a material scooping mechanism 4 extending out of the top opening is arranged in the inner cavity of the waste liquid treatment tank 1, the material scooping mechanism 4 comprises a fixing column 41, a bristle brush 42, a first motor 43, a roller 44, a conveyor belt 45 and a second motor 46, the fixing column 41 is arranged in the inner cavity of the waste liquid treatment tank 1, the top end of the fixing column 41 extends out of the top opening of the waste liquid treatment tank 1, the fixing column 41 is of a hollow cylindrical structure, the first motor 43 is mounted at two ends of the fixing column 41, the roller 44 is sleeved on the first motor 43, the conveyor belt 45 is sleeved on the roller 44, the second motor 46 is arranged on the conveyor belt 45, and the bristle brush 42 is sleeved on the second motor 46; the top end of the fixed column 41 is connected to the impurity removing mechanism 5, the impurity removing mechanism comprises an air drying tube 51, a connecting fixed rod 52 and a partition plate 53, the bottom end of the connecting fixed rod 52 is connected to the top end of the fixed column 41, the top end of the connecting fixed rod 52 is connected to the top end of the inner wall of the air drying tube 51, the air drying tube 51 and the fixed column 41 are vertically arranged, the top end of the fixed column 41 penetrates into the inner cavity of the air drying tube 51, the partition plate 53 is arranged in the air drying tube 51, and the partition plate 53 is arranged at the midpoint of the air drying tube 51 in parallel; the two ends of the air drying pipe 51 are connected with the fixed supporting plates 6; the air drying mechanisms 8 are symmetrically arranged on two sides of the partition plate 53 in the fixed support plate 6 respectively, each air drying mechanism 8 comprises a third motor 81, a first rotating column 82, a fan 83 and a heating wire 84, the third motors 81 are arranged at two ends of the air drying pipe 51, the first rotating columns 82 are sleeved on rotating shafts of the third motors 81, the fans 83 are arranged on the first rotating columns 82, and the heating wires 84 are arranged in through holes in one side, close to the partition plate 53, of the fixed support plate 6; the air drying pipe 51 is provided with the collecting mechanism 7 between the fixed column 41 and the fixed supporting plate 6, the collecting mechanism 7 comprises an air outlet pipe 71 and a collecting bag 72, the air outlet pipe 71 is arranged at the bottom of the air drying pipe 51 between the fixed column 41 and the fixed supporting plate 6, and the collecting bag 72 is sleeved at an opening at the bottom end of the air drying pipe 51; the bottom of waste liquid treatment jar 1 is equipped with mechanism 9 opens and shuts, mechanism 9 opens and shuts includes first buckle 91, second buckle 92, second and rotates post 93 and stop pin 94, first buckle 91 with the block of second buckle 92 is connected in waste liquid treatment jar 1's bottom, just first buckle 91 with the one end of second buckle 92 is equipped with second rotates post 93, first buckle 91 with the other end of second buckle 92 is equipped with stop pin 94.
specifically, as shown in fig. 1, the waste liquid treatment tank 1 of the method for producing a boxboard by using the waste liquid of the paper mill according to the present invention has a polygonal structure with a cylindrical top end and a truncated cone bottom end, so as to facilitate generation of a vortex in the waste liquid treatment tank 1, the top end of the waste liquid treatment tank 1 is provided with a circular opening, and an edge of the circular opening is in contact connection with an edge of the bristle brush 42, such that the connection of the material scooping mechanism 4 inside the waste liquid treatment tank 1 is achieved, and the bristle brush 42 can freely enter and exit.
Specifically, as shown in fig. 2, in the method for producing a boxboard by using a paper mill waste liquid, the liquid outlet pipe 21 and the liquid inlet pipe 22 are tangentially connected to the waste liquid treatment tank 1, the liquid inlet pipe 22 and the liquid outlet pipe 21 are arranged in parallel, the filter screen 23 is in an arc-shaped structure, the radius of the filter screen 23 is equal to that of the waste liquid treatment tank 1, vortex is generated in the waste liquid treatment tank 1, and the limiting fine material in the waste liquid is positioned at the center of the waste liquid treatment tank 1, so that the material fishing is facilitated.
specifically, as shown in fig. 1, the fixed support mechanism 3 of the method for producing a boxboard by using waste liquid of a paper mill according to the present invention includes a first fixed disk 31, a second fixed disk 32, and a connecting support rod 33, wherein the first fixed disk 31 is sleeved on the bottom end of the waste liquid treatment tank 1, the first fixed disk 31 is connected with the top end of the connecting support rod 33, and the bottom end of the connecting support rod 33 is connected to the second fixed disk 32, so as to fixedly support the waste liquid treatment tank 1.
Specifically, as shown in fig. 1, three connecting support rods 33 are provided in the method for producing a linerboard from waste liquid of a paper mill according to the present invention, and the three connecting support rods 33 are arranged between the first fixed tray 31 and the second fixed tray 32 in a regular triangle, so as to increase the stability of the fixing support.
Specifically, as shown in fig. 1 and 3, the conveyor belt 45 of the method for producing a linerboard from waste liquid of a paper mill according to the present invention is uniformly arranged on the fixing column 41 in a circumferential shape, and the bristle brushes 42 are intermittently arranged on the conveyor belt 45, so as to increase the efficiency and effect of scooping up materials.
specifically, as shown in fig. 1, the collecting bag 72 of the method for producing a linerboard from waste liquid of a paper mill according to the present invention is arranged in a folded structure to realize multi-stage collection.
Specifically, as shown in fig. 1 and 5, the first buckle 91 and the second buckle 92 of the method for producing a boxboard by using waste liquid from a paper mill according to the present invention are arranged in a circular structure, and the stop pin 94 is screwed between the first buckle 91 and the second buckle 92, so as to facilitate fixing and dismounting.
utilize business turn over liquid mechanism 2 to feed liquor in waste liquid treatment jar 1, produce the swirl in waste liquid treatment jar 1, make the fine material of fibre concentrate in waste liquid treatment jar 1 center department, then utilize to drag for material mechanism 4 to drag for the fine material of fibre into air-drying mechanism 8 in to utilize air-drying mechanism 8 to break away from the fine material of fibre after drying and drag for material mechanism 4, and blow in it in collection mechanism 7, realize recycle. The method specifically comprises the following steps:
(1) The liquid is fed from the liquid inlet pipe 22 into the waste liquid treatment tank 1, and discharged from the liquid outlet pipe 21, and the fine fiber materials are prevented from flowing into the liquid outlet pipe 21 by the filter screen 23. In this process, a vortex is generated in the waste liquid treatment tank 1, and the fiber fine material is concentrated in the center of the waste liquid treatment tank 1.
(2) then the conveyor belt 45 is opened to drive the bristle brush 42 to rotate around the fixed column 41, and since the limiting fine materials in the waste liquid treatment tank 1 can rotate in the inner cavity, the limiting fine materials are continuously fished up by the bristle brush 42 and are conveyed into the air drying pipe 51 through the conveyor belt 45, hot air is generated by the fan 83 and the heating wire 84, the wet fiber fine materials on the bristle brush 42 are quickly dried, the second motor 46 is opened to drive the bristle brush 42 to rotate, and the dried fiber fine materials are made to get rid of the bristle brush 42.
(3) The fiber fines that get rid of the scrubbing brush 42 are blown into the collection bag 72 by hot air, thereby realizing recycling. Finally, after the whole process is completed, the stop pin 94 is screwed to open the first latch 91 and the second latch 92, so that the residual waste liquid in the waste liquid treatment tank 1 flows out.
according to the invention, the waste liquid is swirled in the waste liquid treatment tank 1 by using a swirl technology, and the filter screen 23 is arranged at the liquid outlet, so that fiber fines are effectively prevented from flowing out, and the fiber fines in the waste liquid are concentrated at the central position. The material fishing mechanism 4 can effectively utilize the vortex technology to fish up the fiber fine materials concentrated at the central position of the waste liquid treatment tank 1 by the scrubbing brush 42, the material fishing effect is better, and the efficiency is higher. The material fishing mechanism 4 is communicated to the air drying mechanism 8, the air drying mechanism 8 can be effectively utilized to air-dry the fished fine materials, the bristle brush 42 is broken away, and the fine materials enter the collecting mechanism 7 to be recycled.
the foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A method for producing a boxboard by using waste liquor of a paper mill is characterized by comprising the following steps: the method comprises the following steps:
The method comprises the following steps: recovering fiber fine materials from waste liquor discharged by a paper mill by using waste liquor recovery equipment;
Step two: after the fiber fine materials are recovered in the step one, stirring and crushing long fibers in the fiber fine materials into short fibers;
step three: after the second step is finished, mixing the fiber fine materials and other auxiliary raw materials according to a certain proportion to prepare paper pulp;
Step four: after the paper pulp is formed in the third step, injecting the paper pulp into a paper machine, and forming, squeezing and drying to prepare the cardboard paper;
the waste liquid recovery device in the first step comprises a waste liquid treatment tank (1), a liquid inlet and outlet mechanism (2), a fixed supporting mechanism (3), a material fishing mechanism (4), an impurity removing mechanism (5), a fixed supporting plate (6), a collecting mechanism (7), an air drying mechanism (8) and an opening and closing mechanism (9), wherein the liquid inlet and outlet mechanism (2) is arranged on the side wall of the top end of the waste liquid treatment tank (1), the liquid inlet and outlet mechanism (2) comprises a liquid outlet pipe (21), a liquid inlet pipe (22) and a filter screen (23), the liquid outlet pipe (21) and the liquid inlet pipe (22) are arranged on the side wall of the top end of the waste liquid treatment tank (1), and the filter screen (23) is arranged between the liquid outlet pipe (21) and the waste liquid treatment tank (1); the bottom end of the waste liquid treatment tank (1) is provided with the fixed supporting mechanism (3); a material fishing mechanism (4) which penetrates out of the opening at the top end is arranged in the inner cavity of the waste liquid treatment tank (1), the material fishing mechanism (4) comprises a fixed column (41), a scrubbing brush (42), a first motor (43), a roller (44), a conveyor belt (45) and a second motor (46), the fixing column (41) is arranged in the inner cavity of the waste liquid treatment tank (1), the top end of the fixed column (41) penetrates out of the top end opening of the waste liquid treatment tank (1), the fixed column (41) is of a hollow cylindrical structure, and the two ends of the fixed column (41) are provided with a first motor (43), the first motor (43) is sleeved with the roller (44), the conveying belt (45) is sleeved on the roller (44), the second motor (46) is arranged on the conveying belt (45), and the bristle brush (42) is sleeved on the second motor (46); wherein,
The top end of the fixed column (41) is connected to the impurity removing mechanism (5), the impurity removing mechanism comprises an air drying tube (51), a connecting fixed rod (52) and a partition plate (53), the bottom end of the connecting fixed rod (52) is connected to the top end of the fixed column (41), the top end of the connecting fixed rod (52) is connected to the top end of the inner wall of the air drying tube (51), the air drying tube (51) and the fixed column (41) are vertically arranged, the top end of the fixed column (41) penetrates into the inner cavity of the air drying tube (51), the partition plate (53) is arranged in the air drying tube (51), and the partition plate (53) is arranged at the midpoint of the air drying tube (51) in parallel; the two ends of the air drying pipe (51) are connected with the fixed supporting plates (6); the air drying mechanisms (8) are symmetrically arranged on two sides of the partition plate (53) in the fixed supporting plate (6) respectively, each air drying mechanism (8) comprises a third motor (81), a first rotating column (82), a fan (83) and an electric heating wire (84), the third motors (81) are installed at two ends of the air drying pipe (51), the first rotating columns (82) are sleeved on rotating shafts of the third motors (81), the fans (83) are arranged on the first rotating columns (82), and the electric heating wires (84) are arranged in through holes in one side, close to the partition plate (53), of the fixed supporting plate (6); wherein,
The collection mechanism (7) is arranged between the fixed column (41) and the fixed support plate (6) of the air drying pipe (51), the collection mechanism (7) comprises an air outlet pipe (71) and a collection bag (72), the air outlet pipe (71) is arranged at the bottom of the air drying pipe (51) between the fixed column (41) and the fixed support plate (6), and the collection bag (72) is sleeved at an opening at the bottom end of the air drying pipe (51); the bottom of waste liquid treatment jar (1) is equipped with mechanism (9) opens and shuts, mechanism (9) of opening and shutting include first buckle (91), second buckle (92), second rotation post (93) and stop pin (94), first buckle (91) with second buckle (92) block connect in the bottom of waste liquid treatment jar (1), just first buckle (91) with the one end of second buckle (92) is equipped with second rotation post (93), first buckle (91) with the other end of second buckle (92) is equipped with stop pin (94).
2. the method for producing linerboards from paper mill effluents according to claim 1, wherein the method comprises the steps of: the waste liquid treatment tank (1) is of a polygonal structure with a cylindrical top end and a truncated cone-shaped bottom end, a circular opening is formed in the top end of the waste liquid treatment tank (1), and the edge of the opening is in contact connection with the edge of the bristle brush (42).
3. The method for producing linerboards from paper mill effluents according to claim 1, wherein the method comprises the steps of: drain pipe (21) with feed liquor pipe (22) tangential connect in waste liquid treatment tank (1), just feed liquor pipe (22) with drain pipe (21) parallel arrangement each other, just filter screen (23) are convex structure, just the radius of filter screen (23) with the radius of waste liquid treatment tank (1) equals.
4. the method for producing linerboards from paper mill effluents according to claim 1, wherein the method comprises the steps of: fixed supporting mechanism (3) include first fixed disk (31), second fixed disk (32) and joint support pole (33), first fixed disk (31) cup joint in the bottom of waste liquid treatment jar (1), be connected with on first fixed disk (31) the top of joint support pole (33), the bottom of joint support pole (33) connect in second fixed disk (32).
5. the method for producing linerboards from paper mill effluents according to claim 4, wherein the method comprises the steps of: the number of the connecting support rods (33) is three, and the number of the connecting support rods (33) is regular triangle and is arranged between the first fixed disc (31) and the second fixed disc (32).
6. The method for producing linerboards from paper mill effluents according to claim 1, wherein the method comprises the steps of: the conveying belt (45) is uniformly arranged on the fixing columns (41) in a circumferential shape, and the bristle brushes (42) are intermittently arranged on the conveying belt (45).
7. The method for producing linerboards from paper mill effluents according to claim 1, wherein the method comprises the steps of: the collecting bag (72) is arranged in a folding structure.
8. the method for producing linerboards from paper mill effluents according to claim 1, wherein the method comprises the steps of: the first buckle (91) and the second buckle (92) are arranged in a circular structure, and the stop pin (94) is connected between the first buckle (91) and the second buckle (92) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569018.1A CN108797225B (en) | 2018-06-05 | 2018-06-05 | Method for producing boxboard by using waste liquor of paper mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569018.1A CN108797225B (en) | 2018-06-05 | 2018-06-05 | Method for producing boxboard by using waste liquor of paper mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108797225A CN108797225A (en) | 2018-11-13 |
| CN108797225B true CN108797225B (en) | 2019-12-17 |
Family
ID=64088544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810569018.1A Active CN108797225B (en) | 2018-06-05 | 2018-06-05 | Method for producing boxboard by using waste liquor of paper mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108797225B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163958A (en) * | 1997-01-30 | 1997-11-05 | 南京大学 | Technique and equipment for separating papermaking pulping fibre from waste liquor |
| US5899002A (en) * | 1996-04-12 | 1999-05-04 | Valmet Corporation | Method and arrangement for utilizing energy of drying apparatus for fiber web |
| CN1229063A (en) * | 1998-03-16 | 1999-09-22 | 北京博朗环保技术开发公司 | Treatment technology for papermaking waste liquor |
| CN201010819Y (en) * | 2007-03-06 | 2008-01-23 | 任英浩 | Papermaking wastewater treating tank |
| CN201415981Y (en) * | 2009-05-07 | 2010-03-03 | 浙江绍兴三圆石化有限公司 | Waste liquor recovery device |
| CN205341262U (en) * | 2016-02-01 | 2016-06-29 | 张嘉强 | Wheat conveyer edulcoration mechanism |
| CN107386238A (en) * | 2017-09-14 | 2017-11-24 | 应杨国 | A kind of ocean garbage recovering apparatus |
-
2018
- 2018-06-05 CN CN201810569018.1A patent/CN108797225B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5899002A (en) * | 1996-04-12 | 1999-05-04 | Valmet Corporation | Method and arrangement for utilizing energy of drying apparatus for fiber web |
| CN1163958A (en) * | 1997-01-30 | 1997-11-05 | 南京大学 | Technique and equipment for separating papermaking pulping fibre from waste liquor |
| CN1229063A (en) * | 1998-03-16 | 1999-09-22 | 北京博朗环保技术开发公司 | Treatment technology for papermaking waste liquor |
| CN201010819Y (en) * | 2007-03-06 | 2008-01-23 | 任英浩 | Papermaking wastewater treating tank |
| CN201415981Y (en) * | 2009-05-07 | 2010-03-03 | 浙江绍兴三圆石化有限公司 | Waste liquor recovery device |
| CN205341262U (en) * | 2016-02-01 | 2016-06-29 | 张嘉强 | Wheat conveyer edulcoration mechanism |
| CN107386238A (en) * | 2017-09-14 | 2017-11-24 | 应杨国 | A kind of ocean garbage recovering apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108797225A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103112101A (en) | Flotation type waste plastic crushing, sorting and cleaning system and method | |
| CN104432430A (en) | Fruit washing machine | |
| CN105386349A (en) | Custom environment-friendly paper machine for office and home use | |
| CN207907586U (en) | A kind of medical pulverizing medicinal materials drying device | |
| CN108797225B (en) | Method for producing boxboard by using waste liquor of paper mill | |
| CN108704342B (en) | Waste liquid recovery equipment for paper mill | |
| CN204478752U (en) | The drying machine of plastic bottle sheet | |
| CN105665111A (en) | Plant processing production line and filter material processing production line | |
| CN210021408U (en) | Extraction drying device of active ingredient in natural product | |
| CN202155361U (en) | Processing system for recovering grease and protein from kitchen waste | |
| CN205631107U (en) | Granule plastics hydroextractor with stoving function | |
| CN103643581A (en) | Fine screen | |
| CN203768725U (en) | Fine screen | |
| CN208562978U (en) | A kind of pretreatment unit of waste paper pulp-making | |
| CN106381743B (en) | A kind of fiber process for refining | |
| CN104548715A (en) | White water microfiltration screen | |
| CN108580243A (en) | Useless natural feather separating and reclaiming device | |
| CN205529182U (en) | Purified cotton dry process transported substance material equipartition device | |
| CN209735796U (en) | Horizontal paper-plastic separator | |
| CN206266867U (en) | A kind of fiber refining system | |
| CN209066187U (en) | A kind of paper grade (stock) high efficiency slag remover | |
| CN106519043B (en) | A kind of production technology of cellulose ether | |
| CN210242303U (en) | Lactating sow feed dryer | |
| CN214328294U (en) | Water-saving drum-type slurrying device | |
| CN2887083Y (en) | Water flow rotating type bean cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191121 Address after: Ma Bu Zhen Xia pan Cun, Pingyang County, Wenzhou City, Zhejiang Province Applicant after: Pingyang Yongheng Paper Co., Ltd Address before: 262705 Shandong Chenming Paper Group Co., Ltd. No. 2199 Nongsheng East Street, Shouguang City, Weifang City, Shandong Province Applicant before: Cui Xueke |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |