CN105714588A - Paper pulp production equipment and process - Google Patents
Paper pulp production equipment and process Download PDFInfo
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- CN105714588A CN105714588A CN201610249716.4A CN201610249716A CN105714588A CN 105714588 A CN105714588 A CN 105714588A CN 201610249716 A CN201610249716 A CN 201610249716A CN 105714588 A CN105714588 A CN 105714588A
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- pulp
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
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- 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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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to paper pulp production equipment and process. The paper pulp production equipment is characterized by sequentially comprising shredded paper high-concentration pulping equipment and paper pulp dreg removing equipment, wherein the paper pulp dreg removing equipment comprises a pressure pump for cleaning paper pulp tailings, paper pulp low-frequency vibrating and screening equipment and a low-concentration dreg removing device array; the pressure pump is provided with a good pulp outlet pipe and is communicated with a paper pulp storage tank of the paper pulp low-frequency vibrating and screening equipment; and the paper pulp low-frequency vibrating and screening equipment is provided with a material storage tank and is communicated with a pulp feeding groove pipe of the low-concentration dreg removing device array. The paper pulp production equipment is simple in structure and reasonable in design, and the efficiency of shredding paper and pulping is easily improved.
Description
Technical field:
The present invention relates to a kind of pulp production plant and production technology.
Background technology:
Along with the paper industry pay attention to day by day to environmental issue, the process equipment of paper making pulp tailings also becomes the visual plant in paper technology, compression pump, paper pulp low frequency vibration sieve apparatus and low dense slag removal equipment are the common equipments in tailings treatment process, but owing to the impurity in paper pulp tailings is much larger than normal paper pulp raw material, therefore need process equipment is optimized and can well tailings be processed.In addition carrying out classification process after reclaiming currently for different waste paper, in order to follow-up carry out shredded paper and slurrying, this mode considerably increases operation, also reduces efficiency.
In the treatment process of paper pulp tailings, compression pump is important sieving equipment, it is usually used in the first step to tailings to process, but owing to the impurity in tailings is more, the impurities trap in retaining pressure pump it is easy in sieving, pressure anomaly in build-up of pressure pump, if this pressure anomaly can not find in time, will result in potential safety hazard, if and pressure gauge is set inside compression pump, then owing to compression pump internal condition is complicated, it cannot be guaranteed that tonometric accurately, therefore, the pressure anomaly operating mode how found in time and process in pulp pressure pump, it it is a research direction.
Low dense slag removal equipment is the common equipment of paper industry, work based on vortex centrifugal principle, it is generally used for generating quality pulp, can be used for the end product of tailings treatment process to purify, but this kind equipment is to entering to starch pressure, the stability requirement entering to starch flow is significantly high, if enter to starch pressure or enter to starch flow in use produce fluctuation, the normal operation of slag removal equipment can be affected, even can block, for promoting slagging-off efficiency, actual operation often use multiple low dense slag removal equipments slurry is processed, how to ensure to enter to starch pressure between multiple low dense slag removal equipment, enter to starch the equilibrium of flow, it it is a research direction.
Summary of the invention:
It is an object of the invention to provide a kind of pulp production plant, this pulp production plant simple in construction, reasonable in design, be conducive to improving the efficiency of shredded paper and slurrying.
Pulp production plant of the present invention, it is characterised in that: including shredded paper high consistency pulping equipment and paper pulp slag removal equipment successively, described paper pulp slag removal equipment includes for the compression pump of paper pulp tailings cleaning, paper pulp low frequency vibration sieve apparatus and low dense scummer array；Described compression pump is provided with good slurry outlet and holds pond with the paper pulp of the low frequency vibration sieve apparatus of paper pulp and communicate；Described paper pulp low frequency vibration sieve apparatus is provided with material storage container and communicates with the stock tank pipe that enters of low dense scummer array；
Described shredded paper high consistency pulping equipment includes the pulp storage tank of bottom and is positioned at the pulping pond above pulp storage tank, erect in described pulping pond and be provided with by motor-driven screw rod and the broken blade being positioned at screw rod bottom, the base plate in described pulping pond is laid with the through hole towards pulp storage tank, and described pulp storage tank is provided with the pipeline towards compression pump；
The described compression pump for the cleaning of paper pulp tailings, including compression pump body, described compression pump includes housing, crosses sieve part, slurry inlet pipe, slurry outlet, good slurry outlet and ACM alarm control module, described slurry inlet pipe connects with crossing sieve part, cross sieve part place and be provided with impurities trap and good slurry room, described impurities trap connection slurry outlet, described good slurry room connects good slurry outlet；Described slurry inlet pipe, slurry outlet and good slurry outlet are equipped with flow-limiting valve, described slurry inlet pipe is provided with inlet pressure measurement apparatus, described good slurry outlet is provided with outlet pressure measurement apparatus, and described inlet pressure measurement apparatus, outlet pressure measurement apparatus are connected with ACM alarm control module；
The low frequency vibration sieve apparatus of described paper pulp, including rectangle cell body be located at the paper pulp above rectangle cell body side and hold pond, described paper pulp holds and is provided with grout outlet bottom pond, described rectangle cell body bottom surface has screen cloth, described rectangle cell body is connected to vibrating motor, described screen cloth be connected with material storage container；
Described low dense scummer array includes frame, enters stock tank pipe, pulp barrel, slag bath and some low dense slagging-off unit, described enter stock tank pipe, pulp barrel be horizontally installed in frame, the material storage container of one end and the low frequency vibration sieve apparatus of paper pulp of entering stock tank pipe communicates, described some low dense slagging-off unit are installed on the sustained height of frame, and described slag bath is positioned at below low dense slagging-off unit；Described low dense slagging-off unit sidepiece is equipped with into slurry inlet tube, and the inlet tube that enters to starch of each low dense slagging-off unit communicates with entering stock tank pipe with parallel form；Described low dense slagging-off unit top is equipped with the good slurry outlet of finished product；The good slurry outlet of finished product of each low dense slagging-off unit communicates with pulp barrel with parallel form；Each low dense slagging-off unit bottom is provided with slag notch and points to slag bath.
Further, onStating compression pump housing upper and offer exhaustor, described exhaustor is provided with drain tap.
Further, onState inlet pressure measurement apparatus, outlet pressure measurement apparatus is provided with instrument to show force value.
Further, onStating paper pulp to hold and be equipped with the support column being perpendicular to rectangle cell body length direction on pond, described support column is connected with buffer spring.
Further, onState screen cloth from paper pulp hold side, pond toward other side tilt.
Further, onStating motor is reducing motor, and it is positioned at the top in pulping pond；The upper shed position in described pulping pond is provided with semicircle horizontal cover plate, and the limit of the horizontal cover plate of described semicircle is hinged with a turnover cover plate；Described broken blade has the double-deck cutterhead mutually pressed close to, and every layer has three tulwars；Being that cone is bucket-shaped bottom described pulping pond, through hole is positioned on the bottom base plate plate of cone bucket；Described pulp storage tank sidepiece is provided with supporting seat, described supporting seat erects and is provided with the stirring frame driven by the second reducing motor, and described stirring frame is rectangle frame, and its periphery is welded by bonding jumper.
Further, onState low dense slagging-off unit and be provided with the disengagement chamber of cone-shaped, described in enter the slurry in stock tank pipe and inject along the tangential direction on cone-shaped disengagement chamber top under gravity, in disengagement chamber, form eddy current；Taper disengagement chamber central upper portion place is provided with good slurry suction pipe and connects with the good slurry outlet of finished product, and the good slurry suction pipe specification of each low dense slagging-off unit is identical, and the good slurry in disengagement chamber is sucked up in pulp barrel through good slurry suction pipe, the good slurry outlet of finished product.
The present inventionMethod of manufcturing paper pulp, it is characterised in that: described pulp production plant includes shredded paper high consistency pulping equipment and paper pulp slag removal equipment successively, and described paper pulp slag removal equipment includes for the compression pump of paper pulp tailings cleaning, paper pulp low frequency vibration sieve apparatus and low dense scummer array；Described compression pump is provided with good slurry outlet and holds pond with the paper pulp of the low frequency vibration sieve apparatus of paper pulp and communicate；Described paper pulp low frequency vibration sieve apparatus is provided with material storage container and communicates with the stock tank pipe that enters of low dense scummer array；
Described shredded paper high consistency pulping equipment includes the pulp storage tank of bottom and is positioned at the pulping pond above pulp storage tank, erect in described pulping pond and be provided with by motor-driven screw rod and the broken blade being positioned at screw rod bottom, the base plate in described pulping pond is laid with the through hole towards pulp storage tank, and described pulp storage tank is provided with the pipeline towards compression pump；
The described compression pump for the cleaning of paper pulp tailings, including compression pump body, described compression pump includes housing, crosses sieve part, slurry inlet pipe, slurry outlet, good slurry outlet and ACM alarm control module, described slurry inlet pipe connects with crossing sieve part, cross sieve part place and be provided with impurities trap and good slurry room, described impurities trap connection slurry outlet, described good slurry room connects good slurry outlet；Described slurry inlet pipe, slurry outlet and good slurry outlet are equipped with flow-limiting valve, described slurry inlet pipe is provided with inlet pressure measurement apparatus, described good slurry outlet is provided with outlet pressure measurement apparatus, described inlet pressure measurement apparatus, outlet pressure measurement apparatus are connected with ACM alarm control module, when the pressure differential of slurry inlet pipe, good slurry outlet place reaches threshold value, ACM alarm control module sends alarm；This design alerts according to the pressure differential between outlet, entrance is abnormal, and accuracy is high, and pipeline place is located in pressure gauge, it is not necessary to arranges detecting device inside the compression pump that operating mode is complicated, is thus susceptible to assembling and working stability.
In the compression pump of the present invention, described slurry inlet pipe, slurry outlet and good slurry outlet being equipped with flow-limiting valve, described compression pump housing upper offers exhaustor, and described exhaustor is provided with drain tap；This design makes the pressure that attendant can adjust in compression pump easily, not easily causes the accident because pressure is excessive.
The low frequency vibration sieve apparatus of described paper pulp, including rectangle cell body be located at the paper pulp above rectangle cell body side and hold pond, described paper pulp holds and is provided with grout outlet bottom pond, described rectangle cell body bottom surface has screen cloth, described rectangle cell body is connected to vibrating motor, described screen cloth be connected with material storage container；
Described low dense scummer array includes frame, enters stock tank pipe, pulp barrel, slag bath and some low dense slagging-off unit, described enter stock tank pipe, pulp barrel be horizontally installed in frame, the material storage container of one end and the low frequency vibration sieve apparatus of paper pulp of entering stock tank pipe communicates, described some low dense slagging-off unit are installed on the sustained height of frame, and described slag bath is positioned at below low dense slagging-off unit；Described low dense slagging-off unit sidepiece is equipped with into slurry inlet tube, and the inlet tube that enters to starch of each low dense slagging-off unit communicates with entering stock tank pipe with parallel form；Described low dense slagging-off unit top is equipped with the good slurry outlet of finished product；The good slurry outlet of finished product of each low dense slagging-off unit communicates with pulp barrel with parallel form；Each low dense slagging-off unit bottom is provided with slag notch and points to slag bath；This described low dense scummer array is provided with the disengagement chamber of cone-shaped, described in enter the slurry in stock tank pipe and inject along the tangential direction on cone-shaped disengagement chamber top under gravity；This design is arranged into stock tank pipe as charging transition, and the inlet tube that enters to starch of each low dense slagging-off unit connects with entering stock tank pipe with parallel form, thus what ensure that each low dense slagging-off unit enters to starch pressure equilibrium.
In the present invention, described low dense slagging-off unit is provided with the disengagement chamber of cone-shaped, taper disengagement chamber central upper portion place is provided with good slurry suction pipe and connects with good slurry outlet, the good slurry suction pipe specification of each low dense slagging-off unit is identical, good slurry in disengagement chamber is sucked up in pulp barrel through good slurry suction pipe, good slurry outlet, and the good slurry outlet of each low dense slagging-off unit communicates with pulp barrel with parallel form；This design arranges pulp barrel and goes out sizing device as the unification of each low dense slagging-off unit, the slurry-outlet velocity making each low dense slagging-off unit is identical, can guarantee that the liquid level in each low dense slagging-off unit is identical, it is thus possible to ensure to enter to starch pressure between multiple low dense slagging-off unit, enter to starch the equilibrium of flow.
Between compression pump and the low dense scummer array of the present invention, have additional the low frequency vibration sieve apparatus of paper pulp, this equipment is provided with material storage container and communicates with low dense scummer array, the flow velocity making paper pulp raw material is slowed down, allow the entering to starch pressure or enter to starch flow and tend towards stability of low dense scummer array, be conducive to the working stability of low dense scummer array, promote the quality of the good slurry of finished product, and this design also can play the effect of raw material buffer memory, even if compression pump is because tailings impurity is too much, output flow is unstable, material storage container also can make entering to starch pressure or entering to starch flow and have relative stable phase buffer of low dense scummer array, normal operation without influence on low dense scummer array.
The present invention adopts multiple low dense slagging-off unit to compose in parallel low dense scummer array and purifies for the fine straining of the finished product final processing procedure of good slurry, and this has been designed with multiple low dense slagging-off unit and has carried out the parallel processing of fine straining, can effectively promote purifying velocity.
During production, lose in pulping pond into various shredded papers, in this pulping pond, add a certain amount of water simultaneously, start motor, make screw rod and the action under the driving of motor of broken blade, all can drop on the bottom in pulping pond under gravity due to various shredded papers, along with the effect of screw rod and crushing cutter, various shredded paper is made constantly to be broken, thus pulp storage tank can be fallen into by through hole when refineing to a certain degree；Then the paper pulp in pulp storage tank is carried toward the compression pump being used for the cleaning of paper pulp tailings, paper pulp is through forming first stage good slurry for the compression pump of paper pulp tailings cleaning, first stage good slurry forms the good slurry of second stage through paper pulp low frequency vibration sieve apparatus, the good slurry of second stage is made as the good slurry of finished product then through low dense scummer array, the good slurry of finished product through the slurry outlet groove pipe flow of low dense scummer array to subsequent processing.
Further,When the low frequency vibration sieve apparatus of paper pulp works, first good for first stage slurry is transported to paper pulp and holds in pond, paper pulp holds in the screen cloth that the good slurry of the first stage in pond progressively flows rectangle cell body, along with rectangle cell body and screen cloth are under the effect of vibrating motor, make the screened stock material of first stage good slurry from screen cloth top sieve in material storage container, and impurity or bulky grain slurry cannot pass through, so that material storage container obtains the good slurry of second stage.
Further,Compression pump for the cleaning of paper pulp tailings is equipped with flow-limiting valve on slurry inlet pipe, slurry outlet and good slurry outlet, described slurry inlet pipe is provided with inlet pressure measurement apparatus, described good slurry outlet is provided with outlet pressure measurement apparatus, described inlet pressure measurement apparatus, outlet pressure measurement apparatus are connected with ACM alarm control module, when the pressure differential of slurry inlet pipe, good slurry outlet place reaches threshold value, ACM alarm control module sends alarm.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail:
Fig. 1 is the workflow schematic diagram of the present invention；
Fig. 2 is the schematic diagram of the compression pump in the present invention for the cleaning of paper pulp tailings；
Fig. 3 is the main apparent structure schematic diagram of paper pulp low frequency vibration sieve apparatus in the present invention；
Fig. 4 is the vertical view organigram of the low frequency vibration sieve apparatus of paper pulp in the present invention；
Fig. 5 is the schematic diagram of low dense scummer array in the present invention；
Fig. 6 is the cut-away illustration of low dense slagging-off unit in the present invention；
Fig. 7 is the front view of shredded paper high consistency pulping equipment in the present invention；
Fig. 8 is the K-K profile of Fig. 7.
In figure: A-shredded paper high consistency pulping equipment, B-paper pulp slag removal equipment, B1-is for the compression pump of paper pulp tailings cleaning, the low frequency vibration sieve apparatus of B2-paper pulp, the low dense scummer array of B3-, 1-rectangle cell body；2-paper pulp holds pond；3-grout outlet；4-screen cloth；5-vibrating motor；6-material storage container；7-support column；8-slag charge pond；31-slurry inlet pipe；The good slurry outlet of 32-；33-slurry outlet；34-exhaustor；35-drain tap；36-flow-limiting valve；37-inlet pressure measurement apparatus；38-outlet pressure measurement apparatus；The good slurry outlet of 61-finished product；62-enters to starch inlet tube；63-pulp barrel；64-enters stock tank pipe；The low dense slagging-off unit of 65-；66-slag notch；67-slag bath；The good slurry suction pipe of 68-；69-disengagement chamber；A1-pulp storage tank, A2-pulping pond, A3-screw rod, A4-crushes blade, A201-base plate, A202-through hole, the semicircle horizontal cover plate of A5-, A6-cover plate, A7-cutterhead, A8-the second reducing motor, the stirring frame that A9-drives, A11-supporting seat.
Detailed description of the invention:
As shown in Fig. 1,2,3,4,5, pulp production plant of the present invention includes shredded paper high consistency pulping device A and paper pulp slag removal equipment B successively, paper pulp slag removal equipment B is for the recycling of paper pulp tailings, and described paper pulp slag removal equipment B includes compression pump B1, paper pulp low frequency vibration sieve apparatus B2 for the cleaning of paper pulp tailings and low dense scummer array B3；Described compression pump is provided with good slurry outlet 32 and holds pond 2 with the paper pulp of the low frequency vibration sieve apparatus of paper pulp and communicate；Described paper pulp low frequency vibration sieve apparatus is provided with material storage container 6 and communicates with the stock tank pipe 64 that enters of low dense scummer array；When this equipment cleaning paper pulp, paper pulp is through forming first stage good slurry for the compression pump of paper pulp tailings cleaning, first stage good slurry forms the good slurry of second stage through paper pulp low frequency vibration sieve apparatus, the good slurry of second stage is made as the good slurry of finished product then through low dense scummer array, the good slurry of finished product through the slurry outlet groove pipe flow of low dense scummer array to subsequent processing.
Shredded paper high consistency pulping device A of the present invention, including the pulp storage tank A1 of bottom be positioned at the pulping pond A2 above pulp storage tank A1, erect in described pulping pond A2 and be provided with by motor-driven screw rod A3 and the broken blade A4 being positioned at screw rod A3 bottom, the base plate A201 of described pulping pond A2 is laid with the through hole A202 towards pulp storage tank, the diameter of through hole is 1 centimetre, base plate is provided with 100 through holes, and each through-hole spacing is 2 centimetres；Above-mentioned motor A10 is reducing motor, and it is positioned at the top in pulping pond；In order to prevent dirt from losing into and be easy to people's viewing, the upper shed position in above-mentioned pulping pond is provided with semicircle horizontal cover plate A5, and the limit of the horizontal cover plate of described semicircle is hinged with a turnover cover plate A6；In order to crushing effect is better, above-mentioned broken blade has the double-deck cutterhead A7 mutually pressed close to, and every layer has three tulwars, and these three tulwar circumferences are evenly arranged, and the spacing of cutterhead A7 and base plate A201 is 0.8 centimetre；Being that cone is bucket-shaped bottom above-mentioned pulping pond, through hole is positioned on the bottom base plate plate of cone bucket, and described tapering is 20 degree；In order to prevent the slurry slagging scorification at the bottom of pond, above-mentioned pulp storage tank sidepiece is provided with supporting seat A11, described supporting seat erects and is provided with the stirring frame A9 driven by the second reducing motor A8, described stirring frame is rectangle frame, its periphery is welded by bonding jumper, the middle part of rectangle frame is perpendicular is provided with king-rod, thus forming " day " font, stirring frame A9 is apart from the bottom of the pond of pulp storage tank 15 centimetres.
The described compression pump B1 for the cleaning of paper pulp tailings, including compression pump body, described compression pump includes housing, crosses sieve part, slurry inlet pipe 31, slurry outlet 33, good slurry outlet 32 and ACM alarm control module, described slurry inlet pipe 31 connects with crossing sieve part, cross sieve part place and be provided with impurities trap and good slurry room (crossing sieve part is the screen cloth being located in housing), described impurities trap connection slurry outlet 33, described good slurry room connects good slurry outlet 32；Described slurry inlet pipe 31, slurry outlet 33 and good slurry outlet 32 are equipped with flow-limiting valve 36, described slurry inlet pipe 31 is provided with inlet pressure measurement apparatus 37, described good slurry outlet 32 is provided with outlet pressure measurement apparatus 38, described inlet pressure measurement apparatus 37, outlet pressure measurement apparatus 38 are connected with ACM alarm control module, when the pressure differential of slurry inlet pipe 31, good slurry outlet 32 place reaches threshold value, ACM alarm control module sends alarm.
Described low frequency vibration sieve apparatus B2, including rectangle cell body 1 be located at the paper pulp above rectangle cell body 1 side and hold pond 2, described paper pulp holds and is provided with grout outlet 3 bottom pond 2, described rectangle cell body bottom surface has screen cloth 4, described rectangle cell body 1 is connected to vibrating motor 5, described screen cloth 4 be connected with material storage container 6.
Described low dense scummer array B3 includes frame, enters stock tank pipe 64, pulp barrel 63, slag bath 67 and some low dense slagging-off unit 65, described enter stock tank pipe 64, pulp barrel 63 be horizontally installed in frame, the one end entering stock tank pipe 64 communicates for slurry equipment with outside, described some low dense slagging-off unit 65 are installed on the sustained height of frame, and described slag bath 67 is positioned at below low dense slagging-off unit 65；Described low dense slagging-off unit 65 sidepiece is equipped with into slurry inlet tube 62, and the inlet tube 62 that enters to starch of each low dense slagging-off unit 65 communicates with entering stock tank pipe 64 with parallel form；Described low dense slagging-off unit 65 top is equipped with the good slurry outlet 61 of finished product；The good slurry outlet 61 of each low dense slagging-off unit 65 communicates with pulp barrel 63 with parallel form；It is provided with slag notch 66 bottom each low dense slagging-off unit 65 and points to slag bath 67.
Described compression pump housing upper offers exhaustor 34, and described exhaustor is provided with drain tap 35.
Described inlet pressure measurement apparatus 37, outlet pressure measurement apparatus 38 are provided with instrument to show force value.
Paper pulp holds and is equipped with the support column 7 being perpendicular to rectangle cell body length direction on pond 2, and described support column 7 is connected with buffer spring.
Further, above-mentioned screen cloth holds side, pond from paper pulp and tilts toward other side, and the inclined-plane of tilting forms 11 degree of angles with horizontal plane.
Being positioned at material storage container 6 sidepiece and be provided with slag charge pond 8, grout outlet 3 is rectangular opening, and its length of side is 2 centimetres, and described vibration frequency is 600 times/minute, and material storage container 6 rolls oblique 3 degree toward slag charge pond 8.
The method of work of the low frequency vibration sieve apparatus of paper pulp is, first good for first stage slurry is transported to paper pulp and holds in pond, paper pulp holds in the screen cloth that the good slurry of the first stage in pond progressively flows rectangle cell body, along with rectangle cell body and screen cloth are under the effect of vibrating motor, make the screened stock material of first stage good slurry from screen cloth top sieve in material storage container, and impurity or bulky grain slurry cannot pass through, so that material storage container obtains the good slurry of second stage.
Described low dense slagging-off unit 65 is provided with the disengagement chamber 69 of cone-shaped, described in enter the slurry in stock tank pipe 64 and inject along the tangential direction on cone-shaped disengagement chamber 69 top under gravity, in disengagement chamber 69, form eddy current；Taper disengagement chamber 69 central upper portion place is provided with good slurry suction pipe 68 and connects with the good slurry outlet 61 of finished product, and good slurry suction pipe 68 specification of each low dense slagging-off unit 65 is identical, and the good slurry in disengagement chamber 69 is sucked up in pulp barrel 63 through good slurry suction pipe 68, good slurry outlet 61.
Embodiment:
When this equipment cleaning paper pulp, paper pulp is through forming first stage good slurry for the compression pump of paper pulp tailings cleaning, and first stage good slurry forms the good slurry of second stage through paper pulp low frequency vibration sieve apparatus, and the good slurry of second stage is made as the good slurry of finished product then through low dense scummer array.
In the processing procedure of first stage good slurry, compression pump collects paper pulp by slurry inlet pipe 31, by the impurities trap crossing sieve part the impurity in paper pulp leached and form slurry, slurry is discharged through slurry outlet 33, slurry after filtration becomes first stage good slurry and flow to the low frequency vibration sieve apparatus of paper pulp through good slurry outlet, when the impurity in impurities trap deposits too much generation blocking, slurry and good slurry can not be discharged in time, pressure in compression pump is constantly increased, when slurry inlet pipe 31, when the pressure differential at good slurry outlet 32 place rises to threshold value, ACM alarm control module sends alarm, attendant can pass through to regulate slurry inlet pipe 31, flow-limiting valve on slurry outlet 33 and good slurry outlet 32 changes the slurry flow in compression pump, thus alleviating pressure, discharge the impurity at impurities trap place, solve the clogging in compression pump.
In the processing procedure of the good slurry of second stage, first good for first stage slurry is transported to paper pulp and holds in pond, paper pulp holds in the screen cloth that the good slurry of the first stage in pond progressively flows rectangle cell body, along with rectangle cell body and screen cloth are under the effect of vibrating motor, make the screened stock material of first stage good slurry from screen cloth top sieve in material storage container, and impurity or bulky grain slurry cannot pass through, so that the good slurry of second stage obtained in material storage container.
The good slurry of second stage, then through the low dense further fine straining of scummer array, is made as the good slurry of finished product, the good slurry of finished product through the slurry outlet groove pipe flow of low dense scummer array to subsequent processing.
Claims (10)
1. a pulp production plant, it is characterised in that: including shredded paper high consistency pulping equipment and paper pulp slag removal equipment successively, described paper pulp slag removal equipment includes for the compression pump of paper pulp tailings cleaning, paper pulp low frequency vibration sieve apparatus and low dense scummer array；Described compression pump is provided with good slurry outlet and holds pond with the paper pulp of the low frequency vibration sieve apparatus of paper pulp and communicate；Described paper pulp low frequency vibration sieve apparatus is provided with material storage container and communicates with the stock tank pipe that enters of low dense scummer array；
Described shredded paper high consistency pulping equipment includes the pulp storage tank of bottom and is positioned at the pulping pond above pulp storage tank, erect in described pulping pond and be provided with by motor-driven screw rod and the broken blade being positioned at screw rod bottom, the base plate in described pulping pond is laid with the through hole towards pulp storage tank, and described pulp storage tank is provided with the pipeline towards compression pump；
The described compression pump for the cleaning of paper pulp tailings, including compression pump body, described compression pump includes housing, crosses sieve part, slurry inlet pipe, slurry outlet, good slurry outlet and ACM alarm control module, described slurry inlet pipe connects with crossing sieve part, cross sieve part place and be provided with impurities trap and good slurry room, described impurities trap connection slurry outlet, described good slurry room connects good slurry outlet；Described slurry inlet pipe, slurry outlet and good slurry outlet are equipped with flow-limiting valve, described slurry inlet pipe is provided with inlet pressure measurement apparatus, described good slurry outlet is provided with outlet pressure measurement apparatus, and described inlet pressure measurement apparatus, outlet pressure measurement apparatus are connected with ACM alarm control module；
The low frequency vibration sieve apparatus of described paper pulp, including rectangle cell body be located at the paper pulp above rectangle cell body side and hold pond, described paper pulp holds and is provided with grout outlet bottom pond, described rectangle cell body bottom surface has screen cloth, described rectangle cell body is connected to vibrating motor, described screen cloth be connected with material storage container；
Described low dense scummer array includes frame, enters stock tank pipe, pulp barrel, slag bath and some low dense slagging-off unit, described enter stock tank pipe, pulp barrel be horizontally installed in frame, the material storage container of one end and the low frequency vibration sieve apparatus of paper pulp of entering stock tank pipe communicates, described some low dense slagging-off unit are installed on the sustained height of frame, and described slag bath is positioned at below low dense slagging-off unit；Described low dense slagging-off unit sidepiece is equipped with into slurry inlet tube, and the inlet tube that enters to starch of each low dense slagging-off unit communicates with entering stock tank pipe with parallel form；Described low dense slagging-off unit top is equipped with the good slurry outlet of finished product；The good slurry outlet of finished product of each low dense slagging-off unit communicates with pulp barrel with parallel form；Each low dense slagging-off unit bottom is provided with slag notch and points to slag bath.
2. pulp production plant according to claim 1, it is characterised in that: described compression pump housing upper offers exhaustor, and described exhaustor is provided with drain tap.
3. pulp production plant according to claim 2, it is characterised in that: described inlet pressure measurement apparatus, outlet pressure measurement apparatus are provided with instrument to show force value.
4. pulp production plant according to claim 1, it is characterised in that: described paper pulp holds and is equipped with the support column being perpendicular to rectangle cell body length direction on pond, and described support column is connected with buffer spring.
5. pulp production plant according to claim 4, it is characterised in that: described screen cloth holds side, pond from paper pulp and tilts toward other side.
6. pulp production plant according to claim 1, it is characterised in that: described motor is reducing motor, and it is positioned at the top in pulping pond；The upper shed position in described pulping pond is provided with semicircle horizontal cover plate, and the limit of the horizontal cover plate of described semicircle is hinged with a turnover cover plate；Described broken blade has the double-deck cutterhead mutually pressed close to, and every layer has three tulwars；Being that cone is bucket-shaped bottom described pulping pond, through hole is positioned on the bottom base plate plate of cone bucket；Described pulp storage tank sidepiece is provided with supporting seat, described supporting seat erects and is provided with the stirring frame driven by the second reducing motor, and described stirring frame is rectangle frame, and its periphery is welded by bonding jumper.
7. pulp production plant according to claim 1, it is characterized in that: described low dense slagging-off unit is provided with the disengagement chamber of cone-shaped, described enter slurry in stock tank pipe inject along the tangential direction on cone-shaped disengagement chamber top under gravity, in disengagement chamber, form eddy current；Taper disengagement chamber central upper portion place is provided with good slurry suction pipe and connects with the good slurry outlet of finished product, and the good slurry suction pipe specification of each low dense slagging-off unit is identical, and the good slurry in disengagement chamber is sucked up in pulp barrel through good slurry suction pipe, the good slurry outlet of finished product.
8. a method of manufcturing paper pulp, it is characterized in that: described pulp production plant includes shredded paper high consistency pulping equipment and paper pulp slag removal equipment successively, described paper pulp slag removal equipment includes for the compression pump of paper pulp tailings cleaning, paper pulp low frequency vibration sieve apparatus and low dense scummer array；Described compression pump is provided with good slurry outlet and holds pond with the paper pulp of the low frequency vibration sieve apparatus of paper pulp and communicate；Described paper pulp low frequency vibration sieve apparatus is provided with material storage container and communicates with the stock tank pipe that enters of low dense scummer array；
Described shredded paper high consistency pulping equipment includes the pulp storage tank of bottom and is positioned at the pulping pond above pulp storage tank, erect in described pulping pond and be provided with by motor-driven screw rod and the broken blade being positioned at screw rod bottom, the base plate in described pulping pond is laid with the through hole towards pulp storage tank, and described pulp storage tank is provided with the pipeline towards compression pump；
The described compression pump for the cleaning of paper pulp tailings, including compression pump body, described compression pump includes housing, crosses sieve part, slurry inlet pipe, slurry outlet, good slurry outlet and ACM alarm control module, described slurry inlet pipe connects with crossing sieve part, cross sieve part place and be provided with impurities trap and good slurry room, described impurities trap connection slurry outlet, described good slurry room connects good slurry outlet；Described slurry inlet pipe, slurry outlet and good slurry outlet are equipped with flow-limiting valve, described slurry inlet pipe is provided with inlet pressure measurement apparatus, described good slurry outlet is provided with outlet pressure measurement apparatus, described inlet pressure measurement apparatus, outlet pressure measurement apparatus are connected with ACM alarm control module, when the pressure differential of slurry inlet pipe, good slurry outlet place reaches threshold value, ACM alarm control module sends alarm；
The low frequency vibration sieve apparatus of described paper pulp, including rectangle cell body be located at the paper pulp above rectangle cell body side and hold pond, described paper pulp holds and is provided with grout outlet bottom pond, described rectangle cell body bottom surface has screen cloth, described rectangle cell body is connected to vibrating motor, described screen cloth be connected with material storage container；
Described low dense scummer array includes frame, enters stock tank pipe, pulp barrel, slag bath and some low dense slagging-off unit, described enter stock tank pipe, pulp barrel be horizontally installed in frame, the material storage container of one end and the low frequency vibration sieve apparatus of paper pulp of entering stock tank pipe communicates, described some low dense slagging-off unit are installed on the sustained height of frame, and described slag bath is positioned at below low dense slagging-off unit；Described low dense slagging-off unit sidepiece is equipped with into slurry inlet tube, and the inlet tube that enters to starch of each low dense slagging-off unit communicates with entering stock tank pipe with parallel form；Described low dense slagging-off unit top is equipped with the good slurry outlet of finished product；The good slurry outlet of finished product of each low dense slagging-off unit communicates with pulp barrel with parallel form；Each low dense slagging-off unit bottom is provided with slag notch and points to slag bath；
During production, lose in pulping pond into various shredded papers, in this pulping pond, add a certain amount of water simultaneously, start motor, make screw rod and the action under the driving of motor of broken blade, all can drop on the bottom in pulping pond under gravity due to various shredded papers, along with the effect of screw rod and crushing cutter, various shredded paper is made constantly to be broken, thus pulp storage tank can be fallen into by through hole when refineing to a certain degree；Then the paper pulp in pulp storage tank is carried toward the compression pump being used for the cleaning of paper pulp tailings, paper pulp is through forming first stage good slurry for the compression pump of paper pulp tailings cleaning, first stage good slurry forms the good slurry of second stage through paper pulp low frequency vibration sieve apparatus, the good slurry of second stage is made as the good slurry of finished product then through low dense scummer array, the good slurry of finished product through the slurry outlet groove pipe flow of low dense scummer array to subsequent processing.
9. method of manufcturing paper pulp according to claim 8, it is characterized in that: when the low frequency vibration sieve apparatus of paper pulp works, first good for first stage slurry is transported to paper pulp and holds in pond, paper pulp holds in the screen cloth that the good slurry of the first stage in pond progressively flows rectangle cell body, along with rectangle cell body and screen cloth are under the effect of vibrating motor, make the screened stock material of first stage good slurry from screen cloth top sieve in material storage container, and impurity or bulky grain slurry cannot pass through, so that obtaining the good slurry of second stage in material storage container.
10. method of manufcturing paper pulp according to claim 8, it is characterized in that: the compression pump for the cleaning of paper pulp tailings is equipped with flow-limiting valve on slurry inlet pipe, slurry outlet and good slurry outlet, described slurry inlet pipe is provided with inlet pressure measurement apparatus, described good slurry outlet is provided with outlet pressure measurement apparatus, described inlet pressure measurement apparatus, outlet pressure measurement apparatus are connected with ACM alarm control module, when the pressure differential of slurry inlet pipe, good slurry outlet place reaches threshold value, ACM alarm control module sends alarm.
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| CN201610249716.4A CN105714588B (en) | 2016-04-21 | 2016-04-21 | Pulp production plant and production technology |
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| CN201610249716.4A CN105714588B (en) | 2016-04-21 | 2016-04-21 | Pulp production plant and production technology |
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| CN112030587A (en) * | 2020-09-10 | 2020-12-04 | 冯露晨 | Method for recycling printed paper product |
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| CN105714588B (en) | 2017-07-07 |
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