CN208356282U - A kind of toilet paper paper pulp sand-removing and slurry dewatering system - Google Patents
A kind of toilet paper paper pulp sand-removing and slurry dewatering system Download PDFInfo
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- CN208356282U CN208356282U CN201820575922.9U CN201820575922U CN208356282U CN 208356282 U CN208356282 U CN 208356282U CN 201820575922 U CN201820575922 U CN 201820575922U CN 208356282 U CN208356282 U CN 208356282U
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Abstract
The utility model relates to paper pulp sand-removing technical fields, more particularly to a kind of toilet paper paper pulp sand-removing and slurry dewatering system, it includes discharging tower, three sections of desanders, three sections of thickeners and three sections of pressurized screens, the sand removing hole of every section of desander is connect with the feed inlet of next section of desander, the good slurry outlet of every section of desander is successively connect with the feed inlet of the thickener of correspondent section and pressurized screen, and the sand removing hole of final stage desander is connect with the feed inlet in slurry pond；It further include slurry pond, flotation sieve, Pulp pump and squash type solid-liquid separator, heavy slag row's mouth of flotation sieve is successively connect with the feed inlet of Pulp pump and squash type solid-liquid separator.Compared with prior art, the utility model can reduce equipment attrition and desanding effect is good, and greatly improve the over dry degree of slurry after desanding, and the slag charge and plain boiled water obtained after slurry dehydration can reduce cost with direct reuse.
Description
Technical field
The utility model relates to paper pulp sand-removing technical fields, and in particular to a kind of toilet paper paper pulp sand-removing and slurry dehydration system
System.
Background technique
The quality of paper making pulp is very big on the influence of the quality of finished paper, therefore the deslagging process in slurrying is particularly significant.
The deslagging process of slurrying workshop section mainly includes scalping section and fine screen section two parts, and the slurry amount that scalping system generates is big, after increase
The pressure of continuous workshop section's processing impurity.In the prior art, scalping section gradually carries out screening reject using multistage desander and multistage classifying screen,
The corresponding classifying screen for entering correspondent section in good slurry outlet of each section of desander is to obtain the good slurry after desanding.Prior art is main
It has the following problems: (1) as shown in Figure 1, during the desanding of multistage desander, such as under the slag-drip opening feeding of two sections of desanders
One section of desander continues desanding, while the good slurry outlet of two sections of desanders is back to the good slurry entrance progress two of the preceding paragraph desander
Secondary desanding, each section of desander are all made of above-mentioned steps, to cause the treating capacity of upper level desander excessive, load is excessive,
It is prone to wear equipment, so that the service life of equipment is reduced；On the other hand, afterbody desander treated slurry is sent into filter press
It is carried out dehydrating, but presently used filter press mainly cooperates multiple roll-in squeezinges to be dehydrated using folder net, at dehydration
The reason time is long, costs and poor dehydration results, and treated, and slag charge moisture content is high, can not directly recycle；And the filter press uses one
Section the time after cause folder net and pressure roller between serious wear, the part replacement period is short, maintenance get up it is time-consuming and laborious, need to put into more
The effect that more production costs has but been not achieved.
Summary of the invention
The purpose of this utility model is that aiming at the shortcomings in the prior art, and provide a kind of toilet paper paper pulp sand-removing and slag
Dewatering system is starched, which can reduce equipment attrition and desanding effect is good, and greatly improve the over dry degree of slurry after desanding,
The slag charge and plain boiled water obtained after slurry dehydration can reduce cost with direct reuse.
A kind of toilet paper paper pulp sand-removing and slurry dewatering system, including sequentially connected discharging tower and three sections of desanding are provided
Device and three sections of pressurized screens, every section of desander include feed inlet, sand removing hole and the outlet of good slurry, the sand removing hole of every section of desander
Connect with the feed inlet of next section of desander, further include three sections of thickeners, slurry pond, the good slurry outlet of every section of desander successively with
The thickener of correspondent section is connected with the feed inlet of pressurized screen, the feed inlet of the sand removing hole of final stage desander and the slurry pond
Connection；
It further include flotation sieve, Pulp pump and squash type solid-liquid separator, the flotation sieve includes weight slag row's mouth and scarfing cinder row
Mouthful, heavy slag row's mouth of the flotation sieve is successively connect with the feed inlet of the Pulp pump and squash type solid-liquid separator, described floating
Light slag row's mouth of choosing sieve and the slag notch of the squash type solid-liquid separator are separately connected the pulper of slip house, the extruding
The white water chest of the discharge outlet connection mthod of white water from paper making system of formula solid-liquid separator.
In above-mentioned technical proposal, the squash type solid-liquid separator includes shell, the motor for being fixed on shell, is set to institute
It states the intracorporal screw rod of shell and is sheathed on the strainer for separation of solid and liquid of the screw rod, the screw rod and the motor driven connect
It connects, several spiral blades is provided in the outer circumferential walls of the screw rod.
In above-mentioned technical proposal, the strainer is cylindrical filter screen, and the cylindrical filter screen includes outer filter and internal layer
Strainer.
In above-mentioned technical proposal, the outer filter is set as grid-like strainer, and the inner filter screen is set as helical form
Strainer.
In above-mentioned technical proposal, the spacing of the outer filter and inner filter screen is set as 0.2~0.5mm.
In above-mentioned technical proposal, the spacing of the strainer and the screw rod is set as 1.2~1.8mm.
In above-mentioned technical proposal, the distance between central axis of adjacent spirals blade is 20~35cm.
In above-mentioned technical proposal, the shell is provided with feed inlet, slag notch and discharge outlet, and the discharge outlet is provided with can
Adjust the baffle of openings of sizes.
In above-mentioned technical proposal, the squash type solid-liquid separator further includes the baffle tune for controllable register openings of sizes
Mechanism is saved, the baffle regulating mechanism includes adjusting rod and clump weight, and one end of the adjusting rod is fixedly connected with the baffle,
The baffle and the shell are pivotally connected, and the clump weight is sheathed on the other end of the adjusting rod.
In above-mentioned technical proposal, the clump weight offers the jack with adjusting rod cooperation.
The utility model has the beneficial effects that
A kind of toilet paper paper pulp sand-removing and slurry dewatering system of the utility model, compared with prior art, toilet paper paper
For slurry during three sections of desanding of scalping, the good slurry that the good slurry of each section of desander exports is fed directly to the dense of correspondent section
Contracting machine carries out concentration, then enters back into the classifying screen of correspondent section；Meanwhile the slag that paper pulp is discharged by one section of desander sand removing hole
Slurry sequentially enter second segment desander and third section desander further progress desanding processing, the above process realize have compared with
Under the premise of high slurry yield, dregs can be screened out to depth, improve desanding effect, and next section used compared with prior art
The slurry of desander again returns to the process of upper level desander, and the processing that the utility model substantially reduces next section of desander is negative
Lotus amount reduces equipment attrition；On the other hand, the slurry that scalping workshop section collects is first passed through flotation and sieved by the utility model
Point, by flotation sieve by weight slag row mouth discharge containing weight slag slurry using the better squash type solid-liquid separator of dehydrating effect into
Row extrusion dehydration, the squash type solid-liquid separator pass through the cooperation of screw rod, blade and strainer, can preferably isolate in slurry
Moisture, so that slurry over dry degree is reached 40~45%, treated, and slag charge can be with the pulper of reuse to slip house, to subtract
Few waste paper dosage is alternatively arranged as boiler oil use；The plain boiled water that squash type solid-liquid separator is isolated can be back to use mthod of white water from paper making
It not will cause waste in system, realize the reduction of toilet paper cost.
Detailed description of the invention
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not constituted to the utility model
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 is the flow chart of the toilet paper paper pulp sand-removing and slurry dewatering system of the prior art.
Fig. 2 is a kind of toilet paper paper pulp sand-removing of the utility model and the flow chart of slurry dewatering system.
Fig. 3 is a kind of toilet paper paper pulp sand-removing of the utility model and the squash type solid-liquid separator of slurry dewatering system
Structural schematic diagram.
Fig. 4 is a kind of toilet paper paper pulp sand-removing of the utility model and the squash type solid-liquid separator of slurry dewatering system
The structural schematic diagram of strainer.
Appended drawing reference:
The 2, first Pulp pump 3, sorting machine 4, the second Pulp pump 5 are sieved in slurry pond 1, flotation；
Squash type solid-liquid separator 6, shell 61, feed inlet 611, slag notch 612, discharge outlet 613；
Motor 62, screw rod 63, strainer 64, outer filter 641, inner filter screen 642, blade 65, baffle 66；
Regulating mechanism 67, adjusting rod 671, clump weight 672；
Pulper 7, sedimentation well 8.
Specific embodiment
The utility model is further described with the following Examples.
A kind of toilet paper paper pulp sand-removing and slurry dewatering system of the present embodiment, as shown in Fig. 2, including sequentially connected unload
Expect tower, three sections of desanders, 1, three section of thickener 2 and three sections of pressurized screens 3 and slurry pond 7, wherein every section of desander include into
Material mouth, sand removing hole and the outlet of good slurry, the sand removing hole of every section of desander are connect with the feed inlet of next section of desander, every section of desander
Good slurry outlet successively connect with the feed inlet of the thickener of correspondent section and pressurized screen, the sand removing hole and slag of final stage desander
The feed inlet of stock tank 7 connects.Compared with prior art, toilet paper paper pulp is during three sections of desanding of scalping, each section of desanding
The thickener that the good slurry that the good slurry of device exports is fed directly to correspondent section carries out concentration, then enters back into correspondent section
Classifying screen；Meanwhile paper pulp sequentially enters second segment desander and third section desanding by the slurry that one section of desander sand removing hole is discharged
Device further progress desanding processing, the above process realize under the premise of having higher slurry yield, can screen out slag to depth
Dregs improves desanding effect, and the slurry of the next section of desander used compared with prior art again returns to upper level desander
Process, the utility model substantially reduces the processing load of next section of desander, reduces equipment attrition.
A kind of toilet paper paper pulp sand-removing and slurry dewatering system of the present embodiment further include flotation sieve 4, Pulp pump 5 and squeeze
Formula solid-liquid separator 6, flotation sieve 4 includes weight slag row's mouth and mouth is arranged in scarfing cinder, the heavy slag row mouth of flotation sieve 4 successively with Pulp pump and crowded
The feed inlet of pressure type solid-liquid separator 6 connects, light slag row's mouth of flotation sieve 4 and the slag notch difference of squash type solid-liquid separator 6
Connect the pulper of slip house, the white water chest of the discharge outlet connection mthod of white water from paper making system of squash type solid-liquid separator 6, flotation sieve
4 slag charge outlet connection sedimentation well 8.When work, the slurry that scalping workshop section collects enters flotation sieve 4 by slurry pond 7 and is sieved,
By flotation sieve 4 weight slag row mouth discharge the slurry containing weight slag using the better squash type solid-liquid separator 6 of dehydrating effect into
Row extrusion dehydration further decreases the moisture content of slag charge, treated slag charge can with the pulper of reuse to slip house, thus
Waste paper dosage is reduced, boiler oil use is alternatively arranged as；It is white that the plain boiled water that squash type solid-liquid separator 6 is isolated can be back to use papermaking
It not will cause waste in water system, realize the reduction of toilet paper cost.
In the present embodiment, as shown in figure 3, squash type solid-liquid separator 6 includes shell 61, motor 62, is set to shell 61
Interior screw rod 63 and the strainer 64 for separation of solid and liquid for being sheathed on screw rod 63, screw rod 63 and motor 62 are drivingly connected, screw rod 63
Outer circumferential walls on be provided with several spiral blades 65.Shell 61 is provided with feed inlet 611, slag notch 612 and discharge outlet
613, discharge outlet 613 is provided with the baffle 66 of adjustable openings size.When work, slurry is entered by feed inlet 611, and motor 62 drives
Dynamic screw rod 63 and blade 65 rotate, and slurry constantly pushes forward movement by screw rod 63 and blade 65, in moving process simultaneously not
Disconnected 64 extrusion dehydration of strainer by outside, the plain boiled water isolated are discharged by strainer 64, and the slag charge isolated is then with screw rod 63
It moves forward to slag notch 612 to open baffle 66 and be discharged, the discharge of slag charge is controlled by the openings of sizes of controllable register 66.
Specifically, cylindrical filter screen 64 includes outer filter 641 and interior as shown in figure 4, strainer 64 is cylindrical filter screen 64
Layer strainer 642.Outer filter 641 is set as grid-like strainer, and inner filter screen 642 is set as helical form strainer.64 knot of strainer
Structure is simple, and after being damaged using a period of time, when maintenance only needs replacing strainer 64, simple to operate.As preferred reality
Apply scheme, the spacing of outer filter 641 and inner filter screen 642 is set as 0.2~0.5mm, and strainer 64 and the spacing of screw rod 63 are set
It is set to 1.2~1.8mm, the distance between the central axis of adjacent blades 65 is set as 20~35cm, to guarantee screw rod 63, blade
Optimal mating reaction between 65 and strainer 64 enables the slurry entered in shell 61 by preferably press dewatering, makes slurry
Over dry degree reach 40~45%.
Specifically, the surface of spiral blade 65 is coated with wearing layer, wearing layer is made of wear-resistant materials such as rubber, improves
The service life of blade 65.
Specifically, squash type solid-liquid separator 6 further includes the baffle regulating mechanism 67 for 66 openings of sizes of controllable register,
The baffle regulating mechanism 67 includes adjusting rod 671 and clump weight 672, and one end of adjusting rod 671 is fixedly connected with baffle 66, counterweight
Block 672 is sheathed on the other end of adjusting rod 671, and clump weight 672 offers the jack cooperated with adjusting rod 671.Baffle 66 passes through
Bracket is fixedly connected with shell 61, baffle 66 and bracket, and baffle 66 can be rotated around drive-connecting shaft.Clump weight 672 is iron block, is led to
It crosses on adjusting rod 671 and places a certain number of clump weights 672, to adjust the active force being applied on baffle 66, to adjust
The openings of sizes of baffle 66, and then control the amount for the slag charge being discharged from slag notch 612.
Compared with prior art, the high over dry slurry dehydration of the utility model and recovery system are separated by solid-liquid separation using squash type
Device 6 is carried out dehydrating slurry, by the cooperation of screw rod 63, blade 65 and strainer 64, can preferably remove out in slurry
Moisture, so that slurry over dry degree is reached 40~45%, treated slag charge can with reuse to paper pulp workshop to reduce waste paper dosage,
Also it can be used as boiler oil use, the plain boiled water isolated, which can be back to use in mthod of white water from paper making system, not will cause waste, thus favorably
In save the cost；In addition, 6 structure of squash type solid-liquid separator is simple, when maintenance, only needs replacing strainer, simple to operate.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (10)
1. a kind of toilet paper paper pulp sand-removing and slurry dewatering system, including sequentially connected discharging tower and three sections of desanders, and
Three sections of pressurized screens, every section of desander include feed inlet, sand removing hole and good slurry outlet, the sand removing hole of every section of desander with next section
The feed inlet of desander connects, it is characterised in that: further include three sections of thickeners, slurry pond, the good slurry outlet of every section of desander according to
The secondary feed inlet with the thickener of correspondent section and pressurized screen is connect, the sand removing hole of final stage desander and the slurry pond into
Material mouth connection；
It further include flotation sieve, Pulp pump and squash type solid-liquid separator, the flotation sieve includes that mouth, institute are arranged in weight slag row's mouth and scarfing cinder
The heavy slag row's mouth for stating flotation sieve is successively connect with the feed inlet of the Pulp pump and squash type solid-liquid separator, the flotation sieve
The slag notch of light slag row's mouth and the squash type solid-liquid separator is separately connected the pulper of slip house, the squash type solid-liquid
The white water chest of the discharge outlet connection mthod of white water from paper making system of separator.
2. a kind of toilet paper paper pulp sand-removing according to claim 1 and slurry dewatering system, it is characterised in that: the extruding
Formula solid-liquid separator includes shell, the motor for being fixed on shell, is set to the intracorporal screw rod of the shell and is sheathed on the spiral shell
The strainer for separation of solid and liquid of bar, the screw rod connect with the motor driven, are provided in the outer circumferential walls of the screw rod
Several spiral blades.
3. a kind of toilet paper paper pulp sand-removing according to claim 2 and slurry dewatering system, it is characterised in that: the strainer
For cylindrical filter screen, the cylindrical filter screen includes outer filter and inner filter screen.
4. a kind of toilet paper paper pulp sand-removing according to claim 3 and slurry dewatering system, it is characterised in that: the outer layer
Strainer is set as grid-like strainer, and the inner filter screen is set as helical form strainer.
5. a kind of toilet paper paper pulp sand-removing according to claim 3 or 4 and slurry dewatering system, it is characterised in that: described
The spacing of outer filter and inner filter screen is set as 0.2~0.5mm.
6. a kind of toilet paper paper pulp sand-removing according to claim 2 and slurry dewatering system, it is characterised in that: the strainer
1.2~1.8mm is set as with the spacing of the screw rod.
7. a kind of toilet paper paper pulp sand-removing according to claim 2 and slurry dewatering system, it is characterised in that: adjoining spiral
The distance between central axis of shape blade is 20~35cm.
8. a kind of toilet paper paper pulp sand-removing according to claim 2 and slurry dewatering system, it is characterised in that: the shell
It is provided with feed inlet, slag notch and discharge outlet, the discharge outlet is provided with the baffle of adjustable openings size.
9. a kind of toilet paper paper pulp sand-removing according to claim 8 and slurry dewatering system, it is characterised in that: the extruding
Formula solid-liquid separator further includes the baffle regulating mechanism for controllable register openings of sizes, and the baffle regulating mechanism includes adjusting
Bar and clump weight, one end of the adjusting rod are fixedly connected with the baffle, and the baffle and the shell are pivotally connected, the counterweight
Block is sheathed on the other end of the adjusting rod.
10. a kind of toilet paper paper pulp sand-removing according to claim 9 and slurry dewatering system, it is characterised in that: described to match
Pouring weight offers the jack with adjusting rod cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575922.9U CN208356282U (en) | 2018-04-20 | 2018-04-20 | A kind of toilet paper paper pulp sand-removing and slurry dewatering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575922.9U CN208356282U (en) | 2018-04-20 | 2018-04-20 | A kind of toilet paper paper pulp sand-removing and slurry dewatering system |
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| Publication Number | Publication Date |
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| CN208356282U true CN208356282U (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820575922.9U Active CN208356282U (en) | 2018-04-20 | 2018-04-20 | A kind of toilet paper paper pulp sand-removing and slurry dewatering system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755919A (en) * | 2019-12-03 | 2020-02-07 | 芬欧汇川(中国)有限公司 | System and method for producing precipitated calcium carbonate by using paper machine clear water |
-
2018
- 2018-04-20 CN CN201820575922.9U patent/CN208356282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110755919A (en) * | 2019-12-03 | 2020-02-07 | 芬欧汇川(中国)有限公司 | System and method for producing precipitated calcium carbonate by using paper machine clear water |
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