CN110713271A - Paper pulp sewage treatment plant for paper mill - Google Patents
Paper pulp sewage treatment plant for paper mill Download PDFInfo
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- CN110713271A CN110713271A CN201910885795.1A CN201910885795A CN110713271A CN 110713271 A CN110713271 A CN 110713271A CN 201910885795 A CN201910885795 A CN 201910885795A CN 110713271 A CN110713271 A CN 110713271A
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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Abstract
The invention discloses a paper pulp sewage treatment device for a paper mill, which comprises a machine body, wherein a drainage cavity is arranged in the machine body, a filter screen is arranged in the drainage cavity in a sliding manner, a lifting device is arranged at the left side of the drainage cavity and can drive the filter screen to lift so as to remove impurities filtered on the filter screen, a treatment cavity is communicated with the lower side of the drainage cavity, and a dewatering cylinder is arranged in the treatment cavity. Is environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a paper pulp sewage treatment device for a papermaking plant.
Background
Use in the paper pulp waste water of timber as the paper mill emission of raw materials, include a large amount of paper pulp fibre, the direct emission of paper making waste water not only pollutes the water environment, and the fibre in the waste water is not retrieved and is caused the wasting of resources, collect paper pulp fibre through various screen cloth filter equipment among the current paper pulp sewage treatment plant, then the jam of mesh screen can be caused to the suspended solid of large granule, and the paper pulp after collecting does not carry out dehydration, then need many processes to draw the paper pulp fibre that contains a large amount of moisture, it is big to consume time, and the discontinuity of process, make wherein transfer process need manpower or mechanical assistance, not only the operation is complicated, and increase the human cost, reduce the value of paper pulp fibre recovery. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the traditional paper pulp sewage treatment device has discontinuous working procedures, increases the time, instruments and labor cost of the paper pulp fiber treatment working procedures, is inconvenient to operate and reduces the recovery value of the paper pulp fibers.
In order to solve the problems, the present embodiment provides a paper pulp sewage treatment device for a paper mill, which comprises a machine body, wherein a drainage cavity is arranged in the machine body, a filter screen is slidably arranged in the drainage cavity, a lifting device is arranged on the left side of the drainage cavity, the lifting device can drive the filter screen to lift, so that sundries filtered on the filter screen are removed, a treatment cavity is arranged on the lower side of the drainage cavity in a communication manner, a dewatering cylinder is arranged in the treatment cavity, a dewatering cavity is arranged in the dewatering cylinder, a spline shaft is fixedly arranged in the dewatering cylinder, the spline shaft is positioned on the lower side of the dewatering cavity, a dewatering device is arranged on the outer side of the treatment cavity, a vibrating device is arranged on the right side of the dewatering device, the vibrating device is in power connection with the dewatering device through a power conversion device, and then the power conversion device can provide power for the dewatering device and the vibrating device, make it is right that the dewatering cylinder rotates the paper pulp in the dehydration intracavity carries out dehydration treatment, the dewatering device left side is equipped with aggregate unit, including the spline housing in the aggregate unit, the spline housing with during integral key shaft splined connection, aggregate unit can drive the dewatering cylinder rotates, makes the dehydration chamber opening is down, the aggregate unit downside is equipped with collection device, collection device can with the unified collection of paper pulp residue after the dehydration in the dehydration intracavity.
Preferably, the lower end face of the filter screen is fixedly provided with an inverted cone-shaped annular plate, the lower end of the annular plate is abutted to the dewatering cylinder so that all sewage containing paper pulp flows into the dewatering cavity for extraction and collection, and the upper end face of the filter screen is fixedly provided with a baffle plate which is used for blocking the sewage in the drainage cavity from flowing into the lifting device.
The lifting device comprises a lifting cavity, a lifting screw rod is arranged in the lifting cavity in a rotating mode, a lifting block is connected to the lifting screw rod in a threaded mode, the lifting block is fixedly connected with the left end of the filter screen, a meshing cavity is formed in the lower side of the lifting cavity in a communicating mode, the lower end of the lifting screw rod extends into the meshing cavity and is fixedly provided with a first bevel gear, the rear end of the first bevel gear is connected with a second bevel gear in a meshing mode, a gear rotating shaft is fixedly arranged at the center of the second bevel gear, the rear end of the gear rotating shaft is in power connection with the collecting device, a rotating motor is fixedly arranged on the front end wall of the meshing cavity, and the front end of the gear rotating shaft is in power connection with the rotating motor, so that.
Wherein, dewatering device includes the annular chamber, it is equipped with ring gear to rotate through the bearing in the annular chamber, the ring gear surface has the tooth structure, the ring gear lower extreme has set firmly the connecting block, the connecting block with vibrating device power is connected, the annular chamber right side communicates with each other and is equipped with the transmission rotary groove, the transmission rotary inslot internal rotation is equipped with drive gear, drive gear with the ring gear meshing is connected, drive gear center department has set firmly the transmission pivot, transmission pivot lower extreme is the spline form, the transmission pivot with power conversion device power is connected, thereby drive gear rotates and to drive the connecting block rotates.
Wherein, the vibrating device comprises an annular vibrating cavity, the vibrating cavity is communicated with the processing cavity, an annular vibrating block is arranged in the vibrating cavity in a sliding way, a sliding groove is arranged on the upper end face of the vibrating block, the lower end of the connecting block extends into the sliding groove and is slidably connected with the sliding groove, a reset spring is fixedly arranged between the left end of the connecting block and the sliding groove, a pressure spring is fixedly arranged between the left end of the vibrating block and the vibrating cavity, a rotating ring block is rotatably arranged in the vibrating block, the spline shaft is rotatably arranged with the rotating ring block through a bearing, a cam cavity is arranged in the wall of the right end of the vibrating cavity in a communicating way, a cam rotating shaft is rotatably arranged in the cam cavity, the upper end of the cam rotating shaft is of a spline structure and is movably connected with the power conversion device, a cam is fixedly arranged on the cam rotating shaft, and the cam rotates, the vibrating block is pushed to move horizontally, and under the elastic action of the pressure spring, the vibrating block vibrates in a small amplitude, so that the dewatering cylinder is driven to vibrate.
Wherein, power conversion device is including changing the chamber, change intracavity slidable and be equipped with the conversion piece, the conversion piece has set firmly motor power, motor power last lower extreme power mounting has the power shaft, the power shaft has spline column structure, from top to bottom the power shaft alone with the transmission pivot cam shaft splined connection, the conversion chamber lower extreme wall has set firmly flexible motor, power mounting has the telescopic shaft on the flexible motor, the telescopic shaft upper end with the conversion piece links firmly, thereby the upside the power shaft with during transmission pivot splined connection, motor power does dehydrating unit work provides power, the downside the power shaft with during cam shaft splined connection, motor power does vibrating device work provides power.
Wherein, the linkage device comprises a linkage cavity, the linkage cavity is communicated with the left side of the vibration cavity, a linkage block is arranged in the linkage cavity in a sliding way, a driving rotary groove is arranged in the linkage block, a driving motor is fixedly arranged on the right end wall of the driving rotary groove, a driving shaft is dynamically installed at the left end of the driving motor, a driving gear is fixedly arranged on the driving shaft, a first driven gear is connected to the lower side of the driving gear in a meshing way, a second driven gear is connected to the upper side of the driving gear in a meshing way, the spline housing is fixedly arranged at the central position of the second driven gear, the right end of the spline housing extends into the vibration cavity, a threaded shaft is fixedly arranged in the linkage cavity, the threaded shaft penetrates through the first driven gear and is in threaded connection with the first driven gear, and therefore, the driving motor works to ensure that the linkage block moves to the right, the spline housing is connected with the spline shaft, and the dewatering cylinder is driven to rotate.
Preferably, the center of the first driven gear is provided with a threaded hole, and the threaded hole is in threaded connection with the threaded shaft, so that when the first driven gear rotates, the linkage block is driven to move left and right and downwards by the threaded shaft.
Wherein, the collecting device comprises a collecting cavity communicated with the processing cavity and the outside, a collecting disc is slidably arranged in the collecting cavity, a collecting groove is arranged in the collecting disc, a telescopic groove is arranged at the lower side of the collecting groove, a telescopic spring is fixedly arranged in the telescopic groove, a guide slide rod is fixedly arranged at the left end of the telescopic spring, the left end of the guide slide rod is fixedly connected with the left end wall of the processing cavity, a chain is fixedly arranged at the left end surface of the collecting disc, a winding cavity is communicated with the left end wall of the processing cavity, a winding wheel is rotatably arranged in the winding cavity, the left end of the chain extends into the winding cavity and is wound on the winding wheel, a winding rotating shaft is fixedly arranged at the center of the winding wheel, a belt cavity is communicated between the rear side of the winding cavity and the meshing cavity, and the rear ends of the winding rotating shaft and the gear rotating shaft are rotatably connected with the, the belt intracavity the rolling pivot with connect through belt power between the gear shaft, thereby when the rolling wheel rotated, through the chain can stimulate the collecting tray removes to the processing intracavity for collect the paper pulp residue after the dehydration.
The invention has the beneficial effects that: according to the invention, large suspended matters are filtered and removed through the filter screen, the wastewater containing paper pulp fibers flows into the dewatering cylinder, the fiber paper pulp is centrifugally dewatered through the rotation of the dewatering cylinder, the dewatered paper pulp is collected uniformly, and then the vibrating device is arranged in the integral device, so that the mesh openings in the dewatering cylinder can be prevented from being blocked, the dewatered paper pulp residues can be conveniently and automatically dropped and collected, the use convenience and automation degree of the device are improved, and the device is environment-friendly and energy-saving.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic view showing the overall construction of a paper mill pulp sewage treatment apparatus according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is an enlarged view of "B" of FIG. 1;
FIG. 4 is an enlarged view of the structure of "C" of FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a paper pulp sewage treatment device for a paper mill, which is mainly used for paper pulp sewage treatment work, and the invention is further explained by combining the attached drawings of the invention:
the paper pulp sewage treatment device for the paper mill comprises a machine body 10, wherein a drainage cavity 11 is arranged in the machine body 10, a filter screen 12 is arranged in the drainage cavity 11 in a sliding mode, a lifting device 601 is arranged on the left side of the drainage cavity 11, the lifting device 601 can drive the filter screen 12 to lift, so that impurities filtered on the filter screen 12 are removed, a treatment cavity 25 is communicated with the lower side of the drainage cavity 11, a dewatering cylinder 26 is arranged in the treatment cavity 25, a dewatering cavity 28 is arranged in the dewatering cylinder 26, a spline shaft 27 is fixedly arranged in the dewatering cylinder 26, the spline shaft 27 is positioned at the lower side of the dewatering cavity 28, a dewatering device 602 is arranged on the outer side of the treatment cavity 25, a vibration device 603 is arranged on the right side of the dewatering device 602, the vibration device 603 is in power connection with the dewatering device 602 through a power conversion device 604, and the power conversion device 604 can provide power for the dewatering device 602 and the vibration device 603 to work, so that The dewatering cylinder 26 is made to rotate to dewater the paper pulp in the dewatering cavity 28, the linkage device 605 is arranged on the left side of the dewatering device 602, the linkage device 605 includes the spline housing 60, when the spline housing 60 is in spline connection with the spline shaft 27, the linkage device 605 can drive the dewatering cylinder 26 to rotate, so that the opening of the dewatering cavity 28 faces downwards, the collecting device 606 is arranged on the lower side of the linkage device 605, and the collecting device 606 can collect the paper pulp residue dewatered in the dewatering cavity 28 in a unified manner.
Beneficially, an inverted cone-shaped annular plate 13 is fixedly arranged on the lower end face of the filter screen 12, the lower end of the annular plate 13 abuts against the dewatering cylinder 26 so as to enable all the sewage containing the pulp to flow into the dewatering cavity 28 for extraction and collection, and a baffle 14 is fixedly arranged on the upper end face of the filter screen 12, and the baffle 14 is used for blocking the sewage in the drainage cavity 11 from flowing into the lifting device 601.
According to the embodiment, the lifting device 601 will be described in detail below, the lifting device 601 includes a lifting cavity 15, a lifting screw 16 is rotatably disposed in the lifting cavity 15, a lifting block 17 is threadedly connected to the lifting screw 16, the lifting block 17 is fixedly connected to the left end of the filter screen 12, an engaging cavity 18 is disposed at the lower side of the lifting cavity 15, the lower end of the lifting screw 16 extends into the engaging cavity 18 and is fixedly provided with a first bevel gear 19, the rear end of the first bevel gear 19 is engaged with a second bevel gear 20, a gear rotating shaft 21 is fixedly disposed at the center of the second bevel gear 20, the rear end of the gear rotating shaft 21 is dynamically connected to the collecting device 606, a rotating motor 22 is fixedly disposed at the front end wall of the engaging cavity 18, the front end of the gear rotating shaft 21 is dynamically connected to the rotating motor 22, so that the rotating motor 22 operates to drive the lifting screw 16 to rotate, thereby lifting the filter screen 12.
According to an embodiment, the following detailed description is provided for a dewatering device 602, the dewatering device 602 includes an annular cavity 37, a ring gear 38 is rotatably disposed in the annular cavity 37 through a bearing, a tooth structure is disposed on an outer surface of the ring gear 38, a connecting block 35 is fixedly disposed at a lower end of the ring gear 38, the connecting block 35 is in power connection with the vibrating device 603, a transmission rotary groove 48 is communicated with a right side of the annular cavity 37, a transmission gear 49 is rotatably disposed in the transmission rotary groove 48, the transmission gear 49 is in meshed connection with the ring gear 38, a transmission rotary shaft 50 is fixedly disposed at a center of the transmission gear 49, a lower end of the transmission rotary shaft 50 is in a spline shape, and the transmission rotary shaft 50 is in power connection with the power conversion device 604, so that the transmission gear 49 rotates to drive.
According to the embodiment, the vibration device 603 is described in detail below, the vibration device 603 includes an annular vibration cavity 29, the vibration cavity 29 is communicated with the treatment cavity 25, an annular vibration block 30 is slidably disposed in the vibration cavity 29, a sliding groove 34 is disposed on an upper end surface of the vibration block 30, a lower end of a connecting block 35 extends into the sliding groove 34 and is slidably connected with the sliding groove 34, a return spring 36 is fixedly disposed between a left end of the connecting block 35 and the sliding groove 34, a pressure spring 31 is fixedly disposed between a left end of the vibration block 30 and the vibration cavity 29, a rotating ring block 33 is rotatably disposed in the vibration block 30, the spline shaft 27 is rotatably mounted with the rotating ring block 33 through a bearing, a cam cavity 39 is rotatably disposed in a wall of a right end of the vibration cavity 29, a cam rotating shaft 41 is rotatably disposed in the cam cavity 39, an upper end of the cam rotating shaft 41 is in a spline-shaped structure and is movably connected with the power conversion device 604, the cam 40 is fixedly arranged on the cam rotating shaft 41, so that when the cam 40 rotates, the vibrating block 30 is pushed to move horizontally, and under the elastic action of the pressure spring 31, the vibrating block 30 vibrates in a small amplitude, and the dewatering cylinder 26 is driven to vibrate.
According to the embodiment, the power conversion device 604 is described in detail below, the power conversion device 604 includes a conversion cavity 42, a conversion block 43 is slidably disposed in the conversion cavity 42, a power motor 46 is fixedly disposed in the conversion block 43, power shafts 47 are dynamically mounted at upper and lower ends of the power motor 46, the power shafts 47 have a spline-like structure, the upper and lower power shafts 47 can be separately splined to the transmission rotating shaft 50 and the cam rotating shaft 41, a telescopic motor 45 is fixedly disposed on a lower end wall of the conversion cavity 42, a telescopic shaft 44 is dynamically mounted on the telescopic motor 45, an upper end of the telescopic shaft 44 is fixedly connected to the conversion block 43, so that when the upper power shaft 47 is splined to the transmission rotating shaft 50, the power motor 46 provides power for the operation of the dehydration device 602, and when the lower power shaft 47 is splined to the cam rotating shaft 41, the power motor 46 provides power for the operation of the vibration device 603.
According to the embodiment, the linkage 605 will be described in detail below, the linkage 605 includes a linkage cavity 51, the linkage cavity 51 communicates with the left side of the vibration cavity 29, a linkage block 52 is slidably disposed in the linkage cavity 51, a driving rotary slot 53 is disposed in the linkage block 52, a driving motor 59 is fixedly disposed on the right end wall of the driving rotary slot 53, a driving shaft 58 is dynamically mounted on the left end of the driving motor 59, a driving gear 57 is fixedly disposed on the driving shaft 58, a first driven gear 54 is engaged and connected to the lower side of the driving gear 57, a second driven gear 56 is engaged and connected to the upper side of the driving gear 57, the spline housing 60 is fixedly disposed at the center of the second driven gear 56, the right end of the spline housing 60 extends into the vibration cavity 29, a threaded shaft 55 is fixedly disposed in the linkage cavity 51, the threaded shaft 55 penetrates through the first driven gear 54, and the threaded shaft 55 is in threaded connection with the first driven gear 54, so that the driving motor 59 operates to move the linkage block 52 to the right and the spline housing 60 rotates, the spline housing 60 is connected with the spline shaft 27, and the dewatering cylinder 26 is driven to rotate.
Advantageously, the first driven gear 54 has a threaded hole in the center, and the threaded hole is in threaded connection with the threaded shaft 55, so that when the first driven gear 54 rotates, the linkage block 52 is driven to move under the threaded shaft 55.
According to the embodiment, the following detailed description will describe the collecting device 606, the collecting device 606 includes a collecting chamber 66, the collecting chamber 66 is communicated with the processing chamber 25 and the outside, a collecting tray 67 is slidably disposed in the collecting chamber 66, a collecting trough 70 is disposed in the collecting tray 67, a telescopic trough 68 is disposed at the lower side of the collecting trough 70, a telescopic spring 69 is fixedly disposed in the telescopic trough 68, a guide slide rod 65 is fixedly disposed at the left end of the telescopic spring 69, the left end of the guide slide rod 65 is fixedly connected with the left end wall of the processing chamber 25, a chain 64 is fixedly disposed at the left end surface of the collecting tray 67, a winding chamber 61 is communicated with the left end wall of the processing chamber 25, a winding wheel 62 is rotatably disposed in the winding chamber 61, the left end of the chain 64 extends into the winding chamber 61 and is wound on the winding wheel 62, a rotating shaft 63 is fixedly disposed at the center of the winding wheel 62, a belt chamber 23 is communicated between the rear side of the winding chamber 61 and, rolling pivot 63 reaches gear shaft 21 rear end with belt chamber 23 rear end wall rotates and connects in the belt chamber 23 rolling pivot 63 with connect through belt 24 power between the gear shaft 21, thereby when rolling wheel 62 rotates, through chain 64 can pull collecting tray 67 moves extremely in the treatment chamber 25 for collect the paper pulp residue after the dehydration.
The following describes in detail the use steps of a paper mill pulp sewage treatment apparatus according to the present invention with reference to fig. 1 to 5:
at the beginning, the lower end face of the lifting block 17 is abutted against the lower end wall of the lifting cavity 15, the filter screen 12 is located in the drainage cavity 11, the baffle 14 blocks the circulation of the drainage cavity 11 and the lifting cavity 15, the power shaft 47 on the upper side is in splined connection with the transmission rotating shaft 50, the power shaft 47 on the lower side is not connected with the cam rotating shaft 41, at the moment, the collection disc 67 is located in the collection cavity 66, and the extension spring 69 is in a natural state.
During sewage treatment, paper pulp sewage passes through the filter screen 12 to filter large suspended matters such as barks and wood chips in the sewage, small-particle suspended matters flow into the dehydration cavity 28 through the filter screen 12, the power motor 46 works to drive the transmission rotating shaft 50 to rotate, the transmission gear 49 rotates to enable the ring gear 38 to rotate, the vibration block 30 is driven to rotate through the connecting block 35, and therefore the spline shaft 27 drives the dehydration cylinder 26 to rotate, and paper pulp residues in the dehydration cavity 28 are dehydrated;
after dehydration, the rotating motor 22 works to drive the gear rotating shaft 21 to rotate, then the first bevel gear 19 rotates to drive the lifting screw 16 to rotate, further the lifting block 17 drives the filter screen 12 to ascend, so that the filter screen 12 ascends to the outside, and impurities collected in sewage can be directly removed conveniently;
then, the driving motor 59 operates to drive the driving gear 57 to rotate, the first driven gear 54 rotates, the linkage block 52 moves to the right under the action of the threaded shaft 55, the spline housing 60 is in spline connection with the spline shaft 27, the driving gear 57 rotates to drive the second driven gear 56 to rotate, the spline housing 60 rotates, the spline shaft 27 rotates, the dewatering drum 26 rotates until the opening faces downwards, so that the pulp residue in the dewatering cavity 28 falls into the collecting tank 70, meanwhile, the telescopic motor 45 operates, the conversion block 43 is pulled to descend through the telescopic shaft 44, so that the power shaft 47 at the lower side is in spline connection with the cam rotating shaft 41 and the power shaft 47 at the upper side is separated from the transmission rotating shaft 50, the power motor 46 operates to drive the cam 40 to rotate, the vibration block 30 is pushed to the left, when the cam 40 rotates to be separated from the vibration block 30, the vibration block 30 moves to the right under the action of the pressure spring 31, along with the rotation of the cam 40, the vibrating block 30 generates small-amplitude horizontal vibration to promote the falling and collection of paper pulp residues on the inner wall of the dewatering cavity 28, the treated sewage is discharged downwards through the treatment cavity 25, when the driving motor 59 rotates reversely to work, the linkage block 52 moves leftwards to enable the spline sleeve 60 to drive the spline shaft 27 to rotate reversely, the dewatering cylinder 26 rotates to the initial state, the spline sleeve 60 is separated from the spline shaft 27, meanwhile, the rotating motor 22 rotates reversely to drive the winding wheel 62 to rotate reversely, the collecting disc 67 moves rightwards to the initial position under the action of the expansion spring 69, and the lifting screw 16 rotates reversely to enable the filter screen 12 to descend to the initial position to prepare for the next treatment of the paper pulp sewage.
The invention has the beneficial effects that: according to the invention, large suspended matters are filtered and removed through the filter screen, the wastewater containing paper pulp fibers flows into the dewatering cylinder, the fiber paper pulp is centrifugally dewatered through the rotation of the dewatering cylinder, the dewatered paper pulp is collected uniformly, and then the vibrating device is arranged in the integral device, so that the mesh openings in the dewatering cylinder can be prevented from being blocked, the dewatered paper pulp residues can be conveniently and automatically dropped and collected, the use convenience and automation degree of the device are improved, and the device is environment-friendly and energy-saving.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (9)
1. A paper pulp sewage treatment device for a paper mill comprises a machine body;
a drainage cavity is arranged in the machine body, a filter screen is slidably arranged in the drainage cavity, a lifting device is arranged on the left side of the drainage cavity and can drive the filter screen to lift, so that sundries filtered on the filter screen are removed, a treatment cavity is communicated with the lower side of the drainage cavity, a dewatering cylinder is arranged in the treatment cavity, a dewatering cavity is arranged in the dewatering cylinder, a spline shaft is fixedly arranged in the dewatering cylinder and is positioned on the lower side of the dewatering cavity;
a dewatering device is arranged outside the treatment cavity, a vibrating device is arranged on the right side of the dewatering device, the vibrating device is in power connection with the dewatering device through a power conversion device, and the power conversion device works to provide power for the dewatering device and the vibrating device to work, so that the dewatering cylinder rotates to dewater paper pulp in the dewatering cavity;
the dewatering device is characterized in that a linkage device is arranged on the left side of the dewatering device, a spline sleeve is arranged in the linkage device, the spline sleeve is connected with the spline of the spline shaft in a spline mode, the linkage device can drive the dewatering cylinder to rotate, so that the opening of the dewatering cavity faces downwards, a collecting device is arranged on the lower side of the linkage device, and the collecting device can collect the pulp residues dewatered in the dewatering cavity in a unified mode.
2. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the lower end face of the filter screen is fixedly provided with an inverted cone-shaped annular plate, the lower end of the annular plate is abutted to the dewatering cylinder, and the upper end face of the filter screen is fixedly provided with a baffle.
3. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the lifting device comprises a lifting cavity;
a lifting screw rod is rotatably arranged in the lifting cavity, a lifting block is connected to the lifting screw rod in a threaded manner, and the lifting block is fixedly connected with the left end of the filter screen;
the lifting mechanism is characterized in that a meshing cavity is formed in the lower side of the lifting cavity in a communicating mode, the lower end of the lifting screw extends into the meshing cavity and is fixedly provided with a first bevel gear, the rear end of the first bevel gear is connected with a second bevel gear in a meshing mode, a gear rotating shaft is fixedly arranged at the center of the second bevel gear, the rear end of the gear rotating shaft is in power connection with the collecting device, a rotating motor is fixedly arranged on the front end wall of the meshing cavity, and the front end of the gear rotating shaft is in power connection with.
4. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the dewatering device comprises an annular cavity;
a ring gear is rotatably arranged in the ring cavity through a bearing, a tooth structure is arranged on the outer surface of the ring gear, a connecting block is fixedly arranged at the lower end of the ring gear, and the connecting block is in power connection with the vibration device;
the right side of the annular cavity is communicated with a transmission rotary groove, a transmission gear is rotationally arranged in the transmission rotary groove, the transmission gear is meshed with the annular gear, a transmission rotary shaft is fixedly arranged at the center of the transmission gear, the lower end of the transmission rotary shaft is in a spline shape, and the transmission rotary shaft is in power connection with the power conversion device.
5. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the vibration device comprises an annular vibration cavity;
the vibration cavity is communicated with the treatment cavity, an annular vibration block is slidably arranged in the vibration cavity, a sliding groove is formed in the upper end face of the vibration block, the lower end of the connecting block extends into the sliding groove and is slidably connected with the sliding groove, a reset spring is fixedly arranged between the left end of the connecting block and the sliding groove, a pressure spring is fixedly arranged between the left end of the vibration block and the vibration cavity, a rotating ring block is rotatably arranged in the vibration block, and the spline shaft is rotatably installed with the rotating ring block through a bearing;
the vibration cavity is characterized in that a cam cavity is communicated with the inside of the right end wall of the vibration cavity, a cam rotating shaft is arranged in the cam cavity in a rotating mode, the upper end of the cam rotating shaft is of a spline-shaped structure and is in movable connection with the power conversion device, and a cam is fixedly arranged on the cam rotating shaft.
6. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the power conversion device comprises a conversion cavity;
a conversion block is arranged in the conversion cavity in a sliding manner, a power motor is fixedly arranged in the conversion block, a power shaft is dynamically arranged at the upper end and the lower end of the power motor, the power shaft has a spline-shaped structure, and the upper power shaft and the lower power shaft can be separately connected with the transmission rotating shaft and the cam rotating shaft through splines;
the lower end wall of the conversion cavity is fixedly provided with a telescopic motor, a telescopic shaft is dynamically mounted on the telescopic motor, and the upper end of the telescopic shaft is fixedly connected with the conversion block.
7. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the linkage comprises a linkage cavity;
the linkage cavity is communicated with the left side of the vibration cavity, a linkage block is slidably arranged in the linkage cavity, a driving rotary groove is formed in the linkage block, a driving motor is fixedly arranged on the wall of the right end of the driving rotary groove, a driving shaft is dynamically installed at the left end of the driving motor, a driving gear is fixedly arranged on the driving shaft, a first driven gear is connected to the lower side of the driving gear in a meshed mode, a second driven gear is connected to the upper side of the driving gear in a meshed mode, the spline housing is fixedly arranged at the center of the second driven gear, and the right end of the spline housing extends into the vibration cavity;
and a threaded shaft is fixedly arranged in the linkage cavity, penetrates through the first driven gear and is in threaded connection with the first driven gear.
8. The apparatus for treating sewage of paper pulp for paper mill according to claim 7, wherein: the center of the first driven gear is provided with a threaded hole, and the threaded hole is in threaded connection with the threaded shaft.
9. The apparatus for treating sewage of paper pulp for paper mill according to claim 1, wherein: the collection device comprises a collection chamber;
the collecting cavity is communicated with the treatment cavity and the outside, a collecting disc is slidably arranged in the collecting cavity, a collecting groove is arranged in the collecting disc, a telescopic groove is arranged on the lower side of the collecting groove, a telescopic spring is fixedly arranged in the telescopic groove, a guide sliding rod is fixedly arranged at the left end of the telescopic spring, the left end of the guide sliding rod is fixedly connected with the left end wall of the treatment cavity, and a chain is fixedly arranged on the left end surface of the collecting disc;
the processing chamber left end wall is equipped with the rolling chamber in the intercommunication, the rolling intracavity is rotated and is equipped with the rolling wheel, the chain left end stretches into in the rolling chamber and twine in on the rolling wheel, rolling wheel center department has set firmly the rolling pivot, rolling chamber rear side with the intercommunication is equipped with the belt chamber between the meshing chamber, the rolling pivot reaches gear shaft rear end with belt chamber rear end wall rotates and connects the belt intracavity the rolling pivot with connect through belt power between the gear shaft.
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