CN108978308A - Cyclone separator and slurrying drying system - Google Patents
Cyclone separator and slurrying drying system Download PDFInfo
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- CN108978308A CN108978308A CN201810679640.8A CN201810679640A CN108978308A CN 108978308 A CN108978308 A CN 108978308A CN 201810679640 A CN201810679640 A CN 201810679640A CN 108978308 A CN108978308 A CN 108978308A
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- heat exchanger
- side plate
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- cyclone separator
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
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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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/066—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being pulp sheets
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Drying Of Solid Materials (AREA)
Abstract
This application discloses cyclone separator and slurrying drying systems, and wherein cyclone separator includes first shell and second shell.The first shell is connected to the top of the second shell, and the first shell is connected to the second shell, feed inlet is offered in the first shell, material to be separated enters in the first shell and second shell by the feed inlet to form cyclonic air flow, the second shell is arranged in inverted cone-shaped, wherein the second shell includes the side plate of muti-piece setting in a strip shape, the muti-piece side plate is sequentially connected to form the side wall of the second shell, angle of the extending direction and the cyclone separator that wherein the muti-piece side plate connection is formed by connecting line when working in the second shell between the airflow direction of inner wall is less than 25 °.By the above-mentioned means, the application can be realized good separating effect.
Description
Technical field
This application involves slurrying technical field of drying, more particularly to cyclone separator and slurrying drying system.
Background technique
Reform and open up to the outside world over 30 years, China achieve earth-shaking variation in all fields, along with news, printing,
The rapid development of the industries such as packaging industry, Chinese pulping and paper-making industry have also opened a new chapter.With it is some for example
The demand of the top grade paper product such as liquid food packing paper, featherweight coated paper is continuously increased, and China has become high in the world obtain
Rate commercial pulp (chemi-mechanical pulp) maximum country of consumption.But the cyclone separator use in pulping process at present, manufacture at
This valuableness and separative efficiency is poor, becomes a big bottleneck of papermaking art.
Summary of the invention
The application can be better achieved mainly solving the technical problems that offer cyclone separator and slurrying drying system
The separation of slurry and humid air.
In order to solve the above technical problems, the technical solution that the application uses is: a kind of cyclone separator is provided, including
First shell and second shell.The first shell is connected to the top of the second shell, and the first shell and described
Second shell is connected to, and feed inlet is offered in the first shell, and material to be separated enters described first by the feed inlet
To form cyclonic air flow in shell and second shell, the second shell is arranged in inverted cone-shaped, wherein the second shell packet
The side plate of muti-piece setting in a strip shape is included, the muti-piece side plate is sequentially connected to form the side wall of the second shell, wherein described
The extending direction that the connection of muti-piece side plate is formed by connecting line is close in the second shell when working with the cyclone separator
Angle between the airflow direction of inner wall is less than 25 °.
In order to solve the above technical problems, another technical solution that the application uses is: a kind of slurrying drying system is provided,
Including predrying section and flash drying section.Predrying section is used to slurries carrying out pre-dried, obtains lumps.Flash drying section
Including defiberizing machine, dry component and cyclone separator, wherein the defiberizing machine is for discongesting into the lumps
Cotton-shaped slurry, the dry component are used to for the cotton-shaped slurry being dried, obtain drying cotton-shaped slurry, the cyclone separator
Cyclonic air flow is used to form to separate the cotton-shaped slurry of the drying with humid air.
Wherein the cyclone separator includes first shell and second shell, and the first shell is connected to the second shell
The top of body offers feed inlet in the first shell, carries the air-flow of the cotton-shaped slurry of drying and in the rotation to receive
The cyclonic air flow is formed in wind separator, the second shell is arranged in inverted cone-shaped, wherein the second shell includes more
Block side plate, the muti-piece side plate are sequentially connected to form the side wall of the second shell, wherein the muti-piece side plate connects institute's shape
At connecting line extending direction and the cyclone separator work when the second shell in close to inner wall airflow direction it
Between angle less than 25 °.
Compared with prior art, the beneficial effect of the application is: the application is sequentially connected to form the by muti-piece side plate
The side wall of two shells, different from the prior art by the way of the plate of large area, it is possible to reduce cost, the connecting line
The angle of extending direction and cyclone separator when working in the second shell between the airflow direction of proximal wall is less than
25 °, it can so make the extending direction of connecting line consistent or unanimous on the whole with the airflow direction of side wall, it can be in connecting line
Also it can be reduced the interference to air-flow in the case where more, realize good separating effect on the basis of cost reduction.
Detailed description of the invention
Fig. 1 is the application cyclone separator example structure schematic diagram；
Fig. 2 is cyclonic air flow schematic diagram in the application cyclone separator embodiment；
Fig. 3 is a kind of deployed configuration schematic diagram of second shell in the application cyclone separator embodiment；
Fig. 4 is another deployed configuration schematic diagram of second shell in the application cyclone separator embodiment；
Fig. 5 is the structural schematic diagram of the application slurrying drying system embodiment；
Fig. 6 is the structural schematic diagram of press master in the application slurrying drying system embodiment；
Fig. 7 is the structural schematic diagram of air hose in the application slurrying drying system embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiment of the application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
Fig. 1 and Fig. 2 are please referred to, the cyclone separator 11 in the application cyclone separator embodiment includes first shell 111
With second shell 112.First shell 111 is connected to the top of second shell 112.The shape of first shell 111 is cylindrical.The
Two shells 112 are arranged in inverted cone-shaped.In the present embodiment, the top of second shell 112 refers to the disc of inverted cone-shaped
Position is used as top, and using the position of cone cell as bottom.One end of first shell 111 is connect with the top of second shell 112,
Such as it connects in a welding manner.The inside of first shell 111 is connected to the inside of second shell 112, is formed with a company
Logical inner cavity, cyclonic air flow can be formed.The side wall of first shell 111 is formed with feed inlet 11b.Such as first shell 111
Side wall is formed with feed inlet 11b adjacent to the position at the top of first shell 111, and feed inlet 11b, which is used to receive, carries cotton-shaped slurry
Air-flow namely material to be separated include at least humid air and cotton-shaped slurry, and the intracavitary formation cyclonic air flow in cyclone separator 11.
The top of first shell 111 is formed with air outlet 11a, when cyclone separator 11 is separated cotton-shaped slurry and humid air, wet sky
Gas is discharged from air outlet 11a.The bottom of second shell 112 is formed with discharge port 11c, and the cotton-shaped slurry after separation is from discharge port
11c is discharged into next link.In the present embodiment, humid air refers to for cotton-shaped slurry, the air to be separated to come at
Point, to humidity without concrete restriction.
Please continue to refer to Fig. 1 and Fig. 3, in the present embodiment, second shell 112 includes the side plate of muti-piece setting in a strip shape
1121.Such as side plate 1121 is steel plate.Side plate 1121 is further stainless steel plate.Muti-piece side plate 1121 is sequentially connected to form
The side wall of two shells 112.Such as adjacent two blocks of side plates 1121 weld the opposite side along its length of the two.Please after
Continue refering to Fig. 3, illustrated in fig. 3 is a kind of deployed configuration of second shell 112, such as two adjacent side in muti-piece side plate 1121
Plate 1121 passes through the connection of side and side to be sequentially connected, and then can form the side wall of second shell 112.Such as
In the fabrication process, the side plate 1121 for not being crimped process is connected in turn by side opposite side, is formed as in Fig. 3
Sector structure, there is the side B and the side A, the sector structure is then crimped process again, the side A and the side B are carried out
Connection, form the side wall of second shell 112 as shown in Figure 1, furthermore it should be noted that if using the side of side plate 1121 as
A positive apparent direction, then what side may also show is that face (such as looks over, the side B is actually from the direction of the side B
Face), therefore alternatively two adjacent side plates 1121 pass sequentially through side in muti-piece side plate 1121 and the connection of side is connected
It connects, then crimps the second shell 112 that connection forms inverted cone-shaped again.Referring to Fig. 3, in the deployed state, multiple side plates
1121 connecting line 1122 and central axes institute's acute angle is less than 60 °, optionally less than 45 °.In the present embodiment, the axis
The tangent line of line and the central point of the sector structure arc side is perpendicular.Pass through the setting of the connection structure to side plate 1121, Ke Yishi
Now as shown in Fig. 2, when muti-piece side plate 1121 connects the extending direction for being formed by connecting line 1122 and the work of cyclone separator 11
Angle β in second shell 112 between the airflow direction of proximal wall is less than 25 °.
With continued reference to Fig. 2, specifically, the air-flow for carrying cotton-shaped slurry enters in first shell 111 from feed inlet 11b, example
If air-flow is entered along a tangential direction in first shell 111, since the speed of air-flow is higher, on the basis of gravity and centrifugal force
The intracavitary generation spiral air flow in cyclone separator 11, especially the air-flow meeting in the inner wall close to cyclone separator 11 and side
Wall rubs, and in the present embodiment, obtains by inventor's long-term R & D, when cyclone separator 11 works, passes through setting
The connection of side plate 1121 forms 112 side wall of second shell, and nearside is leaned in the extending direction of connecting line 1122 and second shell 112
Angle β between the airflow direction of wall is less than 25 °.Optionally, when cyclone separator 11 works, the extension of connecting line 1122
Angle β in direction and second shell 112 between the airflow direction of proximal wall is less than 20 °.Optionally, in cyclone separator
When 11 work, the angle β in the extending direction and second shell 112 of connecting line 1122 between the airflow direction of proximal wall is less than
15°.Optionally, when cyclone separator 11 works, proximal wall is leaned in the extending direction and second shell 112 of connecting line 1122
Airflow direction between angle β less than 10 °.Optionally, when cyclone separator 11 works, the extension side of connecting line 1122
Angle β into second shell 112 between the airflow direction of proximal wall is less than 5 °
Since cyclone separator 11 plays the role of very important, cyclone separator for the separation of cotton-shaped slurry and humid air
Protrusion or recess of 11 inner walls etc., such as weld seam etc. all can cause very big influence to the flowing of air-flow, lead to air-flow
It is unable to get effective flowing, so that cotton-shaped slurry may be unable to get effective discharge, or is directly escaped from air outlet 11a
Out.In the prior art, most common technological means is to reduce weld seam, to guarantee the smooth of inner wall, thus reduce to air-flow and
The shock of weld seam causes to disturb.In order to reduce weld seam, domestic and international most common means are the board making whirlwind big using area
Separator can so reduce weld seam, but long-pending big plate price is more expensive.
Different from the common scheme of the prior art, the present embodiment is sequentially connected by muti-piece side plate 1121 to form second
The side wall of shell 112, different from by the way of the plate of large area, the present embodiment can be lesser by area in the prior art
Board making cyclone separator can so reduce cost, while inventor obtains by long-term R & D, by the way that connecting line is arranged
Angle β when 1122 extending direction and cyclone separator 11 work in second shell 112 between the airflow direction of proximal wall
Less than 25 °, it can so make the extending direction of connecting line 1122 consistent or unanimous on the whole with the airflow direction of side wall, it can
It also can be reduced the interference to air-flow in the case where connecting line 1122 is more, realize good separation on the basis of cost reduction
Effect.
Optionally, muti-piece side plate 1121 is successively welded along connecting line 1122.In other words, muti-piece side plate 1121 passes through welding
Mode link together, the angle β between bead direction and airflow direction is less than 25 °.At least partly width D of side plate 1121
Unanimously and between 1m-2m.Optionally, at least partly the width D of side plate 1121 is 1.5m.
In the present embodiment, muti-piece side plate 1121 is in turn connected to form the side wall of second shell 112, due to specifically designing system
Make the difference of situation, however not excluded that in the fabrication process, will use leftover pieces and muti-piece side plate 1121 is formed together second shell 112
Complete side wall.Leftover pieces can also be considered as side plate 1121.It is as shown in Figure 3, if in figure the leftmost side leftover pieces by
It is considered as side plate 1121, if it there can not be complete width D, the width D of other side plates 1121 with complete width is one
It causes, namely the width D of at least partly side plate 1121 is consistent.
In the present embodiment, the width D of side plate 1121 is between 1m-2m, using can be with compared with small area/size plate
Reduce cost, secondly side plate 1121 width D unanimously can uniformly connecting line 1122 position arrangement, can further reduce
Influence to air-flow.And the steel plate frequently with width greater than 4m carries out welding manufacture at cyclone separator, to subtract in the prior art
Weld-little.The present embodiment passes through connecting line using the second shell of the steel plate manufacture cyclone separator 11 of 1m-2m wide
Even if increasing weld seam separation can be also effectively performed, and reduce manufacturing cost in 1122 setting.
Referring to Fig. 4, shown in Fig. 4 is another deployed configuration of second shell 112, second shell 112 can be into one
Step includes end plate 1123, is connected to the same extending direction of muti-piece side plate 1121 and the end close to 112 bottom of second shell, and
The side of side plate 1121 in muti-piece side plate 1121 near the bottom of second shell 112 is connect with the side of end plate 1123, with
Form the side wall of second shell 112.
As shown in figure 4,1123 a side of end plate is connected with the one end of muti-piece side plate 1121, which is muti-piece side plate
1121 it is extending in the same direction and close to second shells 112 bottoms end, another side of end plate 1123 and near
The side of the side plate 1121 of 112 bottom of second shell connects, it should be noted that in side-looking direction, 1121/ end plate of side plate
1123 side is presented in a face manner.As shown in Figure 4, such as in the fabrication process, it will not be crimped the side plate of process
1121 are connected in turn by side opposite side, then by a side of end plate 1123 and each side plate 1121 close to second shell
The end of 112 bottoms connects together, is formed and then again ties the sector with the side A and the side C such as the sector structure in Fig. 4
Structure is crimped process, and the side A and the side C are attached, for example welds, and forms the side of second shell 112 as shown in Figure 1
Wall.
Refering to Fig. 5, the application slurrying drying system embodiment, including predrying section 2a and flash drying section 2b.Predrying
Section 2a is used to slurries carrying out pre-dried, obtains lumps.In the present embodiment, pre-dried includes dehydration, right
Slurries are dehydrated to improve concentration or mass dryness fraction and form lumps, and processing is further dried convenient for flash drying section 2b.It dodges anxious
Dryer section 2b includes defiberizing machine 22, dry component 23 and cyclone separator 11, and wherein defiberizing machine 22 will be for that will starch
Block discongests into cotton-shaped slurry, and dry component 23 is used to for cotton-shaped slurry being dried, and cyclone separator 11 is used to form whirlwind gas
Stream is to separate the cotton-shaped slurry after being dried with humid air.
Please continue to refer to Fig. 1-Fig. 4, cyclone separator 11 includes first shell 111 and second shell 112.First shell
111 are connected to the top of second shell 112.Second shell 112 is arranged in inverted cone-shaped.Charging is offered in second shell 112
Mouth 11b.Such as feed inlet 11b is offered on the side wall at the neighbouring top of second shell 112, dry cotton-shaped slurry is carried to receive
Air-flow (namely material to be separated including cotton-shaped slurry) simultaneously forms cyclonic air flow in cyclone separator 11.Feed inlet 11b with
The discharge port of dry component 23 is connected to.So that the cotton-shaped slurry after being dried enters in cyclone separator 11 with air-flow.
Specifically, air-flow enters in first shell 111 along the tangential direction of side wall.Second shell 112 includes muti-piece side plate 1121, more
Block side plate 1121 is sequentially connected to form the side wall of second shell 112, wherein the extending direction and cyclonic separation of connecting line 1122
Angle β when device 11 works in second shell 112 between the airflow direction of proximal wall is less than 25 °.Optionally, in whirlwind point
Angle β when working from device 11, in the extending direction and second shell 112 of connecting line 1122 between the airflow direction of proximal wall
Less than 20 °.Optionally, cyclone separator 11 work when, the extending direction of connecting line 1122 with it is close in second shell 112
Angle β between the airflow direction of side wall is less than 15 °.Optionally, when cyclone separator 11 works, connecting line 1122 prolongs
The angle β in direction and second shell 112 between the airflow direction of proximal wall is stretched less than 10 °
In the real work of the slurrying drying system of the present embodiment, predrying section 2a receives the lower slurries of concentration, example
Such as the slurries of concentration 5.5% or so, be carried out dehydrating, obtain mass dryness fraction it is larger for example 45% or more lumps, such as in
Granular lumps.Defiberizing machine 22 decomposes lumps, is allowed to fibrosis or cotton-shapedization obtains cotton-shaped slurry, fibrosis
Cotton-shaped slurry can flow into together dry component 23 with air-flow, under the drying of dry component 23, the moisture of cotton-shaped slurry
It is evaporated, to improve the mass dryness fraction of cotton-shaped slurry.As air-flow is after dry component 23, the discharge port of dry component 23 is entered
The feed inlet 11b of cyclone separator 11 can be in first shell since air-flow enters cyclone separator 11 with higher speed
111 and second shell 112 in form spiral wind, under gravitational and centrifugal forces, the lesser humid air of density is from second shell
The air outlet 11a discharge at 112 top of body, the biggish cotton-shaped slurry of density are discharged from the discharge port 11c of 112 bottom of second shell, by
It is sequentially connected in the present embodiment by muti-piece side plate 1121 to form the side wall of second shell 112, the extension side of connecting line 1122
Angle when working to cyclone separator 11 in second shell 112 between the airflow direction of proximal wall is less than 25 °, such energy
While enough reducing the manufacturing cost of cyclone separator 11, the interference to air-flow can be reduced, to improve separative efficiency.
Please continue to refer to Fig. 3 and Fig. 4, optionally, muti-piece side plate 1121 is successively welded along connecting line 1122, and at least portion
Divide the width D of side plate 1121 consistent and between 1m-2m.
Optionally, second shell 112 further comprises end plate 1123, is connected to the same extension side of muti-piece side plate 1121
To and close to 112 bottom of second shell end, and near the side plate of the bottom of second shell 112 in muti-piece side plate 1121
1121 side is connect with the side of end plate 1123, to form the side wall of second shell 112.
Cyclone separator 11 in the present embodiment is specifically referred to the elaboration in above-mentioned the application cyclone separator implementation,
Details are not described herein.
Optionally, predrying section 2a includes pulp distributor 201 and press master 202, and pulp distributor 201 is set to press master 202
Feed inlet, for laying slurries so that slurries enter press master 202.Press master 202 is used to carry out slurries at predrying
Reason, to form lumps.Further, pulp distributor 201 enables to slurries uniformly distributed, with evenly into press master 202,
Under the pre-dried of press master 202, improves slurries mass dryness fraction and obtain lumps.
Refering to Fig. 6, specifically, press master 202 is that the double network pressures in multiple pressure area filter press master 202, and multiple pressure passes through multiple pressure
Carry out shove dehydration.Press master 202 includes the first net 2021 and the second net 2022.Such as first net 2021 and the second net
2022 be screen cloth, and slurries can be laid on screen cloth, and the first net 2021 and the second net 2022 can make moisture penetrate, with can be to slurry
Liquid is dehydrated.First net 2021 and the second net 2022 are respectively by first tensioning mechanism 2023 and the second strainer 2024
Support, in the present embodiment, first tensioning mechanism 2023 may include multiple tensioning apparatus, and the second strainer 2024 may include
Multiple tensioning apparatus only mark first tensioning mechanism 2023 and second above two tensioning apparatus wherein in Fig. 6 respectively
Tight mechanism 2024.First net 2021 and the second net 2022 are able to carry out rotation, are dried with can constantly convey slurries.The
One net 2021 and the contact of 2022 part of the second net, e.g. partially continuously contact with, form crush zone.In the charging of press master 202
At mouthful, it is formed with for example wedge shaped shape in gap between the first net 2021 and the second net 2022, to receive slurries, forms wedge-shaped filters pressing
Area.In the present embodiment, the first net 2021 and the second net 2022 formed at the feed inlet of press master 202 gap from feed inlet to
The height in the direction gap of discharge port is gradually reduced, until the first net 2021 and the second net 2022 contact, from wedge-shaped filters pressing area by
Gradual transition is to crush zone.Further, the clearance height that the first net 2021 and the second net 2022 are formed in wedge-shaped filters pressing area is adjustable,
Such as the position by adjusting corresponding component between first tensioning mechanism 2023 and the second strainer 2024 can pair between
Gap height is adjusted.Press master 202 further comprises multipair pressure roller 2025, crush zone from the feed inlet of press master 202 to
Multipair pressure roller 2025 is set gradually on the direction of discharge port.Wherein one in each pair of pressure roller 2025 is arranged in the first net 2,021 1
Side, another setting is in 2022 side of the second net, and each pair of pressure roller 2025 is for squeezing between the first net 2021 and the second net 2022
Slurries.
In actual operation, slurries are more equably deployed to the wedge shape on the feed inlet of press master 202 by pulp distributor 201
Filters pressing area, slurries are since the pressure of gravity and tapered region is dehydrated, with the rotation of the first net 2021 and the second net 2022, slurry
Liquid enters crush zone from wedge-shaped filters pressing area and is squeezed by multipair pressure roller 2025, constantly hauls out the Free water in slurry, no
The mass dryness fraction of slurries is improved disconnectedly.
Specifically, press master 202 includes 6 pairs of pressure rollers 2025.From the feed inlet of press master 202 to the direction of discharge port, according to
Secondary setting the first pressure roller group 2025a to the 6th pressure roller group 2025f.Crush zone is further divided into S type crush zone and line style crush zone.
First pressure roller group 2025a and the second pressure roller group 2025b are successively set on S type crush zone.Wherein two in the first pressure roller group 2025a
A pressure roller is set side by side, and the center of circle for being located at a pressure roller of 2021 side of the first net is higher than positioned at the another of 2022 side of the second net
The center of circle of pressure roller, positioned at 2022 side of the second net another pressure roller compared to be located at 2021 side of the first net a pressure roller with close
The feed inlet of press master 202, so that the first net 2021 and the second net 2022 are around on two pressure rollers of the first pressure roller group 2025a
When, it is S-type.When slurries are into the first pressure roller group 2025a is crossed, the first net 2021 and the second net 2022 are by from the first pressure roller group
The tensioning pulling force of two pressure rollers of 2025a, so that the slurries between the first net 2021 and the second net 2022 are dehydrated.Similarly
Two pressure roller group 2025b are also such.
Third pressure roller group 2025c to the 6th pressure roller group 2025f is successively set on line style crush zone, with third pressure roller group
For 2025c, two pressure rollers of third pressure roller group 2025c are oppositely arranged up and down, and by both the center of circle in the up-down direction
Axis is parallel to each other, and axis is not overlapped, and two pressure rollers of third pressure roller group 2025c be located at 2021 side of the first net and
Second side, to squeeze the slurries between the first net 2021 and the second net 2022.Similarly the 4th to the 6th pressure roller group
2025f is also such.For example, third pressure roller group 2025c and the 6th pressure roller group 2025f are driven by driving motor, and the 4th
Pressure roller group 2025d and the 5th pressure roller group 2025e is driven voller.
Optionally, the temperature of slurries is 60 ° -70 °.Inventor has found that higher temperature can be reduced by long-term R & D
The viscosity of slurry increases mobility and transmitance, is conducive to be dehydrated, but too high temperature can be to the softwood matter in press master 202
Service life has an impact, to also affect the service life of entire press master 202.By repeatedly researching and developing and testing, inventor has found 60 °
Than conveniently, 60 ° of dewatering slurries effect can about improve 3% mass dryness fraction than 40 degree for above slurry temperature, and temperature continues growing pair
The improvement effect of mass dryness fraction is unobvious, and the limiting temperature of general colloidal materials is 90 °, thus 60 °~70 ° of temperature controlling range compared with
It is reasonable.In the present embodiment, heating tube can be set in back flow water pump by taking, steam is passed through in heating tube and realizes heating
To control slurry temperature.
Optionally, on the direction from the feed inlet of press master 202 to discharge port, between multipair pressure roller 2025 line pressure by
It is cumulative big.Line pressure indicates pressure in the contact surface unit length between a pair of of pressure roller.
Bigger line pressure is more conducive to be dehydrated, but can service life to net and driven loads it is unfavorable, and line pressure and pressure roller is hard
Degree also has direct relation, the high line pressure of pursuit that can not be simple, but is dehydrated right and wrong for press master 202 for the determination of line pressure
It is often important.In the present embodiment, the line pressure between the multipair pressure roller 2025 is gradually increased, and can successively be had to slurries
The dehydration of effect, so that dehydrating effect is more preferable.
For example, S type crush zone design lines pressure be 60-80N/mm, third pressure roller group 2025c be 80-100N/mm, the 4th
Pressure roller group 2025d is 100-120N/mm, and the 5th pressure roller group 2025e is 120-150N/mm, and the 6th pressure roller group 2025f is 150-
180N/mm。
In the present embodiment, predrying section 2a further comprises broken spiral (not shown), is used for 202 predry of press master
Dry treated lumps carries out break process, to form graininess lumps.
Referring to Fig. 5, in the present embodiment, the Eucalyptus slurries of 60-70 ° of slurry temperature and concentration 5.5% or so pass through this implementation
The press master 202 of example forms lumps of the mass dryness fraction 45% or more after the multiple extruding pre-dried of double nets, and being crushed spiral will
Lumps carries out grainy treatment and forms graininess lumps, then is delivered to the progress fibrosis processing of defiberizing machine 22, after fibrosis
Cotton-shaped slurry corresponding air hose 235 is entered under the swabbing action of conveying fan, carried out with entering in multiple groups drying tower 232
It is dried.
Please continue to refer to Fig. 5, optionally, dry component 23 includes multiple groups heat exchanger group 231 and multiple groups drying tower
232.The wherein corresponding one group of heat exchanger group 231 of every group of drying tower 232.Hot air flow to be added becomes drying through heat exchanger group 231
Wind, dry wind lead to corresponding drying tower 232.In other words, every group of drying tower 232 has corresponding heat exchanger group 231
The dry wind after heat exchange is provided for it.
Cotton-shaped slurry is successively dried through multiple groups drying tower 232.Specifically, cotton-shaped slurry enters at first to cotton-shaped slurry
Then air hose 235 corresponding to the drying tower 232 being dried is sequentially entered as air-flow enters in the drying tower 232
Remaining each drying tower 232.
Such as in the present embodiment, dry component 23 includes three groups of heat exchanger groups 231 and three groups of drying towers 232.Three groups
Heat exchanger group 231 is first heat exchanger group 2311 to third heat exchanger group 2313.Three groups of drying towers 232 are first dry
Tower 2321 is to third drying tower 2323.First heat exchanger group 2311 is that the first drying tower 2321 provides dry wind, and the second heat is handed over
Parallel operation group 2312 is that the second drying tower 2322 provides heated drying wind, and third heat exchanger group 2313 is that third drying tower 2323 provides
Dry wind.
Wherein, the first drying tower 2321 includes the first drying tower charging of the top setting of neighbouring first drying tower 2321
Mouth, the gas outlet for being set to 2321 top of the first drying tower, the discharge port for being set to 2321 bottom of the first drying tower.Second is dry
Tower 2322 includes the feed inlet being arranged at the top of neighbouring second drying tower 2322, the outlet for being set to 2322 top of the second drying tower
Mouth, the discharge port for being set to 2322 bottom of the second drying tower.Third drying tower 2323 includes neighbouring 2323 top of third drying tower
The feed inlet of setting, the gas outlet for being set to 2323 top of third drying tower, the discharging for being set to 2323 bottom of third drying tower
Mouthful.
The feed inlet of first drying tower 2321 is connected to corresponding air hose 235, the first drying tower discharge port and second dry
The feed inlet of dry tower 2322 is connected to, and the discharge port of the second drying tower 2322 is connected to the feed inlet of third drying tower 2323, so that
Cotton-shaped slurry is obtained successively to be dried by first to third drying tower 2321-2323.
Further, the both ends of the air hose 235 of dry component 23 are respectively used to connection multiple groups heat exchanger group 231 and its institute
Corresponding drying tower 232.And fiber is connected to air hose 235 corresponding to the cotton-shaped drying tower 232 starched and be dried at first and is discongested
The discharge port of machine 22, so that cotton-shaped slurry enters air hose 235.
Such as dry component 23 includes the first air hose 235a, the second air hose 235b and third air hose 235c, the first air hose
The feed inlet of 235a connection first heat exchanger group 2311 and the first drying tower 2321.And first air hose 235a middle part be connected to it is fine
Tie up the discharge port of fluffer 22.The charging of second air hose 235b connection second heat exchanger group 2312 and the second drying tower 2322
Mouthful, and the middle part of the second air hose 235b is connected to the discharge port of the first drying tower 2321.Third air hose 235c is connected to third heat exchange
The feed inlet of device group 2313 and third drying tower 2323.
Please continue to refer to Fig. 5, dry component 23 further comprises the first condensate draining 233 and the second condensate draining 234.Often
Group heat exchanger group 231 includes at least first heat exchanger, second heat exchanger and the third heat set gradually along airflow direction
Exchanger.Airflow direction is the direction of hot wind flow to be added, and band heating wind flows successively through first heat exchanger, second heat exchanger
With third heat exchanger.Wherein, first heat exchanger group 2311 includes first heat exchanger 2311a, second heat exchanger 2311b
With third heat exchanger 2311c.Second heat exchanger group 2312 includes first heat exchanger 2312a, second heat exchanger 2312b
With third heat exchanger 2312c.Third heat exchanger group 2313 includes first heat exchanger 2313a, second heat exchanger 2313b
With third heat exchanger 2313c.First steam lead to multiple groups heat exchanger group 231 third heat exchanger 2311c, 2312c,
2313c.Condensed water caused by third heat exchanger 2311c, 2312c, 2313c of multiple groups heat exchanger enters the first condensed water
Slot 233.Specifically, the first steam each lead into third heat exchanger 2311c, 2312c in multiple groups heat exchanger group 231,
The air inlet of 2313c, the water inlet of the water outlet of third heat exchanger 2311c, 2312c, 2313c and the first condensate draining 233
Connection.Water outlet and first of the generated condensed water from third heat exchanger 2311c, 2312c, 2313c after heat exchange
The water inlet of condensate draining 233 enters in the first condensate draining 233.
The steam that second steam and the first condensate draining 233 generate leads to the second heat of multiple groups heat exchanger group 231 together
Exchanger 2311b, 2312b, 2313b, second heat exchanger 2311b, 2312b, 2313b of multiple groups heat exchanger group 231 are generated
Condensed water enter the second condensate draining 234.Specifically, the gas outlet of the first condensate draining 233 and second heat exchanger
The air inlet of 2311b, 2312b, 2313b are connected to, and the steam that the second steam and the first condensate draining 233 generate is together through the second warm
The air inlet of exchanger 2311b, 2312b, 2313b, which enter in second heat exchanger 2311b, 2312b, 2313b, makes second
Heat exchanger 2311b, 2312b, 2313b generate heat.The water outlet of second heat exchanger 2311b, 2312b, 2313b and second
The water inlet of condensate draining 234 is connected to, after heat exchange, the second heat exchanger 2311b of multiple groups heat exchanger group 231,
The condensed water that 2312b, 2313b are generated is condensed by the water outlet of second heat exchanger 2311b, 2312b, 2313b and with second
The water inlet of sink 234 enters in the second condensate draining 234.
The steam that at least the second condensate draining 234 generates leads to the first heat exchanger of multiple groups heat exchanger group 231
2311a,2312a,2313a.Further, according to the actual situation, the second steam optionally leads to multiple groups heat exchanger group
231 first heat exchanger 2311a, 2312a, 2313a,.If it is desirable, the second steam and the second condensate draining 234 generate
Steam lead to first heat exchanger 2311a, 2312a, 2313a in multiple groups heat exchanger group 231 together.
In the present embodiment, the air pressure of the first steam is greater than the air pressure of the second steam.Such as first the air pressure of steam be
16bar, the air pressure of the second steam are 7.5bar.
In the present embodiment, the temperature in the first drying tower 2321 is higher than the second drying tower 2322 and third drying tower 2323
Interior temperature.Temperature in first to third drying tower 2311-2323 can pass through the intake of control dry wind, or control
The temperature of dry wind in system first to third heat exchanger group 2311-2313 is adjusted.
Refering to Fig. 7, in the present embodiment, it is inserted with senser element 2351, senser element respectively on 235 side wall of multiple groups air hose
2351 parts are inserted respectively into multiple groups air hose 235, on the airflow direction in multiple groups air hose 235, senser element 2351
The angle α of the axis direction of direction of insertion and air hose 235 is in 30 ° -60 °.By the way that the angular range is arranged, cotton-shaped slurry can be prevented
During flowing with air-flow, the problems such as stifled slurry is caused on senser element 2351 is hung over, while can also reduce to air-flow
It upsets.Optionally, the angle α of the axis direction of the direction of insertion of senser element 2351 and air hose 235 is in 40 ° -50 °.It is optional
, the angle α of the axis direction of the direction of insertion and air hose 235 of senser element 2351 is in 45 °.Senser element 2351 includes temperature
Spend at least one of meter, pressure gauge, hygrometer.In the present embodiment, it is inserted with sensor respectively on 235 side wall of multiple groups air hose
Senser element 2351 is inserted on part 2351 namely the first air hose 235a, the second air hose 235b and third air hose 235c.Certainly
In other embodiments, it is also possible to part air hose 235 and is inserted with senser element 2351.
Please continue to refer to Fig. 5, optionally, drying system further comprises cooling tower 236 and scrubbing tower 237, wherein cold
But tower 236 is for the cooling cotton-shaped slurry after the separation of cyclone separator 11, and scrubbing tower 237 is at least for multiple groups drying tower 232
The gas being discharged with cooling tower 236 is washed.In the present embodiment, the feed inlet 11b of cyclone separator 11 is done with last
The discharge port of the drying tower 232 of dry cotton-shaped slurry is connected to, such as is connected to the discharge port of third drying tower 2323.Cotton-shaped slurry enters rotation
After wind separator 11 is separated with humid air, escape and enter from the discharge port of cyclone separator 11 to cooling tower 236, and it is wet
Air is discharged to scrubbing tower 237 from the gas outlet 11a at 11 top of cyclone separator.It is first drying tower, 2321 gas outlet, second dry
The gas outlet of dry tower 2322 and the gas outlet of third drying tower 2323 are connected to the air inlet of scrubbing tower 237 respectively, will be arranged
Gas out is passed into washed in scrubbing tower 237 after be discharged again by scrubbing tower 237, with reduce pollution.By cyclonic separation
Cotton-shaped slurry after device 11 will go into trigger squeeze 30, carry out stamping process, more uniform to form size, thickness, weight
Lumps.
In the present embodiment, cotton-shaped slurry can be recycled in dry component 23 and be carried out again after the discharge of cyclone separator 11
Then primary drying carries out cyclone separator 11 again and separates humid air.The above process can be repeated as many times, such as 3 times, tool
Body can be carried out according to practical condition.
In conclusion the application cyclone separator embodiment and the application slurrying drying system embodiment, more by being arranged
Block side plate 1121 is sequentially connected to form the side wall of second shell 112, different from the prior art using the plate of large area
Mode, it is possible to reduce material cost is leaned in second shell 112 when the extending direction of connecting line 1122 works with cyclone separator 11
Angle β between the airflow direction of proximal wall can so make the extending direction of connecting line 1122 and the gas of side wall less than 25 °
It is consistent or unanimous on the whole to flow direction, can also can be reduced the interference to air-flow in the case where connecting line 1122 is more, drop
Good separating effect is realized on the basis of low cost.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of cyclone separator characterized by comprising
First shell and second shell, the first shell are connected to the top of the second shell, and the first shell and
The second shell is connected to, and feed inlet is offered in the first shell, and material to be separated enters described by the feed inlet
To form cyclonic air flow in first shell and second shell, the second shell is arranged in inverted cone-shaped, wherein the second shell
Body includes the side plate of muti-piece setting in a strip shape, and the muti-piece side plate is sequentially connected to form the side wall of the second shell, wherein
The muti-piece side plate connection is formed by when extending direction and the cyclone separator work of connecting line in the second shell
Angle between the airflow direction of inner wall is less than 25 °.
2. cyclone separator according to claim 1, it is characterised in that: the muti-piece side plate is successively welded along the connecting line
It connects to form the side wall of the second shell, and the equivalent width of at least partly described side plate and between 1m-2m.
3. cyclone separator according to claim 1, it is characterised in that: the second shell further comprises end plate, even
It is connected to the same extending direction of the muti-piece side plate and the end close to the second shell bottom, and in the muti-piece side plate most
Side close to the side plate of the second shell bottom is connect with the side of the end plate, to form the side of the second shell
Wall.
4. a kind of slurrying drying system characterized by comprising
Predrying section obtains lumps for slurries to be carried out pre-dried；
Flash drying section, including defiberizing machine, dry component and cyclone separator, wherein the defiberizing machine is used to incite somebody to action
The lumps discongests into cotton-shaped slurry, and the dry component is used to for the cotton-shaped slurry being dried, obtains drying cotton-shaped slurry,
The cyclone separator is used to form cyclonic air flow to separate the cotton-shaped slurry of the drying with humid air；
Wherein the cyclone separator includes first shell and second shell, and the first shell is connected to the second shell
Top offers feed inlet in the first shell, carries the air-flow of the cotton-shaped slurry of drying and in the whirlwind point to receive
From the cyclonic air flow is formed in device, the second shell is arranged in inverted cone-shaped, wherein the second shell includes muti-piece side
Plate, the muti-piece side plate are sequentially connected to form the side wall of the second shell, wherein muti-piece side plate connection is formed by
The extending direction of connecting line and the cyclone separator are when working in the second shell between the airflow direction of inner wall
Angle is less than 25 °.
5. system according to claim 4, it is characterised in that: the muti-piece side plate is successively welded along the connecting line with shape
At the side wall of the second shell, and the equivalent width of at least partly described side plate and between 1m-2m.
6. system according to claim 4, it is characterised in that: the second shell further comprises end plate, is connected to institute
The same extending direction of muti-piece side plate and the end close to the second shell bottom are stated, and near institute in the muti-piece side plate
The side for stating the side plate of the bottom of second shell is connect with the side of the end plate, to form the side wall of the second shell.
7. system according to claim 4, it is characterised in that: the dry component includes multiple groups heat exchanger group and multiple groups
Drying tower, wherein heat exchanger group described in drying tower described in every group is one group corresponding, hot wind to be added flow separately through the multiple groups heat and hand over
Parallel operation group becomes dry wind, and the dry wind respectively leads to the corresponding drying tower, and the cotton-shaped slurry is successively through the multiple groups
Drying tower is dried, wherein the dry component further comprises the first condensate draining and the second condensate draining, it is described
Heat exchanger group described in every group includes at least the first heat exchanger set gradually along the flow direction of band heating wind, second
Heat exchanger and third heat exchanger, the first steam lead to the third heat exchanger of the multiple groups heat exchanger group, the multiple groups
Condensed water caused by the third heat exchanger of heat exchanger group enters first condensate draining, second steam and described
The steam that first condensate draining generates leads to the second heat exchanger of the multiple groups heat exchanger group, the multiple groups heat exchange together
The condensed water that the second heat exchanger of device group generates enters second condensate draining, what at least described second condensate draining generated
Steam leads to the first heat exchanger of the multiple groups heat exchanger group, steams wherein the air pressure of first steam is greater than described second
The air pressure of vapour.
8. system according to claim 4, it is characterised in that: the flash drying section further comprises multiple groups air hose, institute
It states multiple groups air hose and is respectively used to the corresponding connection multiple groups heat exchanger and the drying tower corresponding to it, at first to the wadding
The middle part of air hose corresponding to the drying tower that shape slurry is dried is connected to the discharge port of the defiberizing machine, so that institute
It states cotton-shaped slurry and enters the air hose, wherein senser element is inserted on the multiple groups air hose side wall respectively, the senser element portion
Divide and is inserted into the multiple groups air hose, on the airflow direction in the multiple groups air hose, the direction of insertion of the senser element
Axis direction with the air hose is in 30 ° -60 °.
9. system according to claim 4, it is characterised in that: the predrying section includes pulp distributor and press master, described
Pulp distributor is set to the feed inlet of the press master, and for laying the slurries to enter the press master, the press master is used
In the slurries are carried out pre-dried, to form the lumps, and the lumps is discharged from the discharge port of the press master,
Wherein, the press master includes the first net, the second net, first tensioning mechanism and the second strainer, first net and described
Second net is supported by the first tensioning mechanism and second strainer respectively, first net and second mesh portions
Contact forms crush zone, and at the feed inlet of the press master, is formed with gap between first net and second net
To receive the slurries, and the slurries are conveyed by rotation；The press master further comprises multipair pressure roller, from the shove
The multipair pressure roller is set gradually on the feed inlet of machine to the direction of discharge port, wherein a setting in each pair of pressure roller exists
First net side, another setting is in second net side, to squeeze between first net and second net
Slurries are to form the lumps.
10. system according to claim 9, it is characterised in that: the temperature of the slurries is 60 ° -70 °, and/or from described
On the feed inlet of press master to the direction of the discharge port of the press master, line pressure is gradually increased between the multipair pressure roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679640.8A CN108978308B (en) | 2018-06-27 | 2018-06-27 | Cyclone separator and pulping and drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810679640.8A CN108978308B (en) | 2018-06-27 | 2018-06-27 | Cyclone separator and pulping and drying system |
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| Publication Number | Publication Date |
|---|---|
| CN108978308A true CN108978308A (en) | 2018-12-11 |
| CN108978308B CN108978308B (en) | 2021-10-15 |
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| CN204841982U (en) * | 2015-07-20 | 2015-12-09 | 武汉科技大学 | Improve spiral seam inside lining of swirler or cyclone wearability |
| CN106362876A (en) * | 2015-07-20 | 2017-02-01 | 武汉科技大学 | Spiral seam lining for improving wear resistance of cyclone or cyclone deduster |
| CN106694249A (en) * | 2015-07-17 | 2017-05-24 | 重庆蓝洁广顺净水材料有限公司 | Rotary spiral cyclone separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2663009Y (en) * | 2003-12-31 | 2004-12-15 | 天津大学 | High efficiency cyclone separator |
| RU2379119C1 (en) * | 2008-11-10 | 2010-01-20 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный университет инженерной экологии" | Centrifugal separator |
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| CN108978308B (en) | 2021-10-15 |
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