CN108654581B - A kind of continuous mixing, granulation and the drying device of adsorbent material - Google Patents

A kind of continuous mixing, granulation and the drying device of adsorbent material Download PDF

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Publication number
CN108654581B
CN108654581B CN201710679005.5A CN201710679005A CN108654581B CN 108654581 B CN108654581 B CN 108654581B CN 201710679005 A CN201710679005 A CN 201710679005A CN 108654581 B CN108654581 B CN 108654581B
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Prior art keywords
feed opening
single screw
screw extrusion
machine
extrusion machine
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CN201710679005.5A
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CN108654581A (en
Inventor
何永平
严雄仲
王文海
邢红
金生军
王世蛟
张贵城
毛新宇
陈彩霞
张荣子
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Qinghai Salt Lake Industry Co Ltd
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Qinghai Salt Lake Industry Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3007Moulding, shaping or extruding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/80After-treatment of the mixture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/80After-treatment of the mixture
    • B01F23/804Drying the mixture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/81Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • B01F33/811Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/836Mixing plants; Combinations of mixers combining mixing with other treatments
    • B01F33/8361Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
    • B01F33/83611Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3014Kneading
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/3028Granulating, agglomerating or aggregating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/16Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Glanulating (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention discloses continuous mixing, granulation and the drying devices of a kind of adsorbent material, including airflow pipeline, first material storehouse, the first feed opening, charging valve, mixing vessel, rotary valve, conveying device, second material storehouse, double worm mixer, single screw extrusion machine.The present invention passes through setting airflow pipeline, first material storehouse, first feed opening, charging valve, mixing vessel, rotary valve, conveying device, second material storehouse, double worm mixer, single screw extrusion machine, material distributing machine, net-bag type drying box, second feed opening and third feed opening are used cooperatively, solves the continuous mixing of existing adsorbent material, material mixes unevenness during use with drying device for granulation, production is interrupted and is not easy the problem of shaping, the continuous mixing of the adsorbent material, granulation and drying device, it is accurate to have the addition of liquid phase ratio, material is uniformly mixed, the advantages of squeezing out smooth and continuous operation.

Description

A kind of continuous mixing, granulation and the drying device of adsorbent material
Technical field
The present invention relates to adsorbent materiel machining technical field, the continuous mixing of specially a kind of adsorbent material is granulated With drying device.
Background technique
Adsorbent is also referred to as absorbent, and this substance can make active constituent be attached to its particle surface, makes the micro chemical combination of liquid Object additive becomes solid compounds, is conducive to implement uniformly to mix, and is that one kind can be adsorbed effectively from gas or liquid The solid matter of some of them ingredient.With big specific surface, suitable pore structure and surface texture;Have to adsorbate strong Adsorption capacity;It is not chemically reacted with adsorbate and medium generally;Easily manufactured, regenerating easily;Have fabulous adsorptivity and Mechanicalness characteristic.
For the materials such as polystyrene, polyurethane under the dissolved state of organic solvent, the viscosity of change is very big, and organic solvent is such as Acetone, chloroform etc. volatilize comparatively fast at normal temperature, are easy to solidify hardened, conventional production method with adsorbent material after mixing and hold Stifled machine is easily caused, causes production discontinuous, cleaning is difficult, or even causes equipment damage.
Summary of the invention
The purpose of the present invention is to provide continuous mixing, granulation and the drying devices of a kind of adsorbent material, have liquid phase Ratio addition is accurate, material is uniformly mixed, squeezes out the advantages of smooth and continuous operation, solves the company of existing adsorbent material Material mixes unevenness during use for continuous mixing, granulation and drying device, and production is interrupted and is not easy the problem of shaping.
To achieve the above object, the invention provides the following technical scheme: a kind of adsorbent material it is continuous mixing, be granulated with Drying device, including airflow pipeline, first material storehouse, the first feed opening, charging valve, mixing vessel, rotary valve, conveying dress It sets, second material storehouse, double worm mixer, single screw extrusion machine, material distributing machine, net-bag type drying box, the second feed opening and third Feed opening, the quantity of the airflow pipeline are several, first feed opening and the second feed opening and first material storehouse Between be connected to by airflow pipeline, the top of the charging valve is connected to first material storehouse, the bottom of the charging valve Be connected to mixing vessel, the bottom of the mixing vessel is connected to rotary valve, the bottom of the rotary valve by conveying device with The connection of second material storehouse, the bottom in the second material storehouse are connected to double worm mixer, and the third feed opening passes through air-flow Conveyance conduit is connected to double worm mixer, and the bottom of the double worm mixer is connected to single screw extrusion machine, the cloth Machine is located at the right side of single screw extrusion machine, and the net-bag type drying box is located at the right side of material distributing machine.
Preferably, the double worm mixer includes spray equipment, pushing spiral blade, mediates blade and discharging helical-blade Piece, the quantity of the pushing spiral blade are no less than two, and the quantity for mediating blade is no less than two, the discharging spiral The quantity of blade is no less than two.
Preferably, the single screw extrusion machine includes pressure detector, helical blade, cooling water jecket, stirring screw, machine Head bore plate and head scraper, the pressure detector and cooling water jecket are respectively positioned on the top of single screw extrusion machine, the head Orifice plate is located at the right side of single screw extrusion machine, and the head scraper is located at the right side of head orifice plate, the quantity of the stirring screw No less than four, and it is uniformly distributed in the bottom of single screw extrusion machine.
Preferably, entrance is offered at the top of the single screw extrusion machine, and entrance is located at the left side of cooling water jecket.
Preferably, the inner cavity of first feed opening, the second feed opening and third feed opening is respectively arranged with adsorbent powder Shape material A, adhesive material B and liquid material C.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention passes through setting airflow pipeline, first material storehouse, the first feed opening, charging valve, mixing vessel, rotation Rotary valve, conveying device, second material storehouse, double worm mixer, single screw extrusion machine, material distributing machine, net-bag type drying box, second add Material mouth and third feed opening are used cooperatively, and are solved the continuous mixing of existing adsorbent material, are granulated and drying device exists Material mixing is uneven during use, and production is interrupted and is not easy the problem of shaping, and the continuous mixing of the adsorbent material is granulated With drying device, have liquid phase ratio addition precisely, material be uniformly mixed, squeeze out the advantages of smooth and continuous operation, facilitate The use of user, is worthy to be popularized.
2, the present invention facilitates material to be placed by setting first material storehouse and second material storehouse, passes through setting first Feed opening, the second feed opening and third feed opening, facilitate material to be launched.
Detailed description of the invention
Fig. 1 is that the material of the entire technique of the present invention moves towards process schematic;
Fig. 2 is the schematic diagram of internal structure of double worm mixer of the present invention;
Fig. 3 is the schematic diagram of internal structure of single screw extruder of the present invention.
In figure: 1 airflow pipeline, 2 first material storehouses, 3 first feed openings, 4 charging valves, 5 mixing vessels, 6 rotary valves, 7 conveying devices, 8 second material storehouses, 9 double worm mixers, 10 single screw extrusion machines, 11 material distributing machines, 12 net-bag type drying boxes, 13 Second feed opening, 14 third feed openings, a spray equipment, b pushing spiral blade, c mediate blade, d discharging helical blade, e pressure Detector, f helical blade, g cooling water jecket, h stir screw, i head orifice plate, j head scraper.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, a kind of continuous mixing, granulation and the drying device of adsorbent material, including airflow pipeline 1, first material storehouse 2, the first feed opening 3, charging valve 4, mixing vessel 5, rotary valve 6, conveying device 7, second material storehouse 8, double Mixing screw 9, single screw extrusion machine 10, material distributing machine 11, net-bag type drying box 12, the second feed opening 13 and third feed opening 14, double worm mixer 9 includes spray equipment a, pushing spiral blade b, mediates blade c and discharging helical blade d, pushing spiral The quantity of blade b is no less than two, and the quantity for mediating blade c is no less than two, and the quantity of discharging helical blade d is no less than two It is a, single screw extrusion machine 10 include pressure detector e, helical blade f, cooling water jecket g, stirring screw h, head orifice plate i and Head scraper j, pressure detector e and cooling water jecket g are respectively positioned on the top of single screw extrusion machine 10, and head orifice plate i is located at single The right side of screw extruder 10, head scraper j are located at the right side of head orifice plate i, and the quantity of stirring screw h is no less than four, and It is uniformly distributed in the bottom of single screw extrusion machine 10, the top of single screw extrusion machine 10 offers entrance, and entrance is located at cooling The inner cavity in the left side of water leg g, the first feed opening 3, the second feed opening 13 and third feed opening 14 is respectively arranged with adsorbent powder Shape material A, adhesive material B and liquid material C, first material storehouse 2 and second material storehouse 8, facilitate material to be placed, pass through First feed opening 3, the second feed opening 13 and third feed opening 14 are set, facilitate material to be launched, the number of airflow pipeline 1 Amount is several, is connected to by airflow pipeline 1 between the first feed opening 3 and the second feed opening 13 and first material storehouse 2, The top of charging valve 4 is connected to first material storehouse 2, and the bottom of charging valve 4 is connected to mixing vessel 5, the bottom of mixing vessel 5 with Rotary valve 6 is connected to, and the bottom of rotary valve 6 be connected to by conveying device 7 with second material storehouse 8, the bottom in second material storehouse 8 with pair Mixing screw 9 is connected to, and third feed opening 14 is connected to by airflow pipeline 1 with double worm mixer 9, double worm mixer 9 bottom is connected to single screw extrusion machine 10, and material distributing machine 11 is located at the right side of single screw extrusion machine 10, and 12, net-bag type drying box In the right side of material distributing machine 11, improved by a series of measures conveyed to powder material, so that operating environment is without dust;To material So that intensity further enhances, adsorption capacity becomes larger for the improvement of ratio;By the improvement to device structure, so that volatile, easy Hardened material can continuous and steady operation, it is few not gamble machine, dismounting, greatly reduces manpower, adsorbent physical strength is increased to 97.5%, machine, failure rate, downtime are blocked up, is reduced to 2%, eliminates environment dust pollution, 99.8% pure air row It puts, hardened, caking materials quantity reduces 80%.
Embodiment one:
The adsorbent material for being 300 μm by 1000kg fineness, polystyrene, polyurethane with 200kg fineness for 1000 μm Equal materials, are thrown into first material storehouse 2 by air delivery tube line by the flow of 30kg/min, are then mixed by mixing vessel 5 60min, the material mixed enter in double worm mixer 9 via second material storehouse 8, and spray equipment a is by chloroform by 30% Quality is directly added into mixed material than feed opening by common pipe, before being driven by the helical blade f of the unsegmented of same shape Into enter single screw extrusion machine 10 in, by single screw extrusion machine 10 (screw pitch is identical, not plus stirring screw h) mix again after, from Head orifice plate i is squeezed out, and the strip-shaped materials of extrusion are fed again into the material distributing machine 11 with sliding rail and the dry zone with recycling function In machine, dry strip adsorbent material is obtained, bar obtains 2mm granule adsorbent after broken crusher machine, and experiment is surveyed , the material physical strength of synthesis is 82%, and drying time is long, and adsorption capacity is low, is shaped bad.
Embodiment two:
The adsorbent material for being 200 μm by 1000kg fineness, polystyrene, the polyurethane etc. for being 500 μm with 100kg fineness Material is thrown into first material storehouse 2 by air delivery tube line by the flow of 30kg/min, is then mixed by mixing vessel 5 60min, the material mixed enter in double worm mixer 9 via second material storehouse 8, by chloroform by 30% mass ratio from adding Material mouth is directly added into mixed material by single common pipe, by same shape unsegmented helical blade f drive advance into Enter in single screw extrusion machine 10, by single screw extrusion machine 10 (screw pitch is identical, not plus stirring screw h) mix again after, from orifice plate It squeezes out, the strip-shaped materials of extrusion are switched to 0.5cm size by head scraper j, and granular adsorbent material is fed again into cunning The material distributing machine 11 of rail and with recycling function dry zone machine in, obtain dry granular adsorbent material, experiment measures, close At material physical strength be 93%, drying time is long, and adsorption capacity is medium, shape it is bad.
Embodiment three:
The adsorbent material for being 100 μm by 1000kg fineness, polystyrene, the polyurethane etc. for being 200 μm with 100kg fineness Material is thrown into first material storehouse 2 by air delivery tube line by the flow of 30kg/min, is then mixed by mixing vessel 5 60min, the material mixed enter in double worm mixer 9 via second material storehouse 8, are pressed chloroform by spray equipment a 26.5% mass ratio is uniformly added in mixed material, by helical blade f of different shapes (band vertically with the mixing leaf of axis Piece) drive advance into single screw extrusion machine 10, by single screw extrusion machine 10 (screw pitch gradually becomes smaller, install additional stirring screw h) It after mixing again, is squeezed out from orifice plate, the strip-shaped materials of extrusion are switched to 0.5cm size by head scraper j, cut rear particle than example one It is all closely knit with example two, and viscosity is small, granular adsorbent material is fed again into the material distributing machine 11 with sliding rail and has In the dry zone machine for recycling function, dry granular adsorbent material is obtained, experiment measures, and the material physical strength of synthesis is 96.5%, drying time is short, and adsorption capacity is high, and shaped particles are good.
In use, by smashed adsorbent powdery material A, via airflow pipeline 1, it is delivered to being precisely weighed The first feed opening 3 is slowly opened by smashed adhesive material B and is added to gas at the same time in the first material storehouse 2 of system It flows in conveyance conduit 1, enters first material storehouse 2 together, material A and B according to a certain mass ratio, pass through intelligence weighing system System, it will while addition finishes, and in first material storehouse 2, two kinds of materials have obtained first mixing, opens rotary feeding valve 4, by the Material in one material bin 2 is added in mixing vessel 5, opens and has double-stranded high-speed mixer, so that two kinds of materials It is mixed by fast deep, opens rotary valve 6 and put into second material storehouse 8, then by material via pipe chain conveying device 7 by spiral shell Rotation feeder puts into material in double worm mixer 9, by bottom weight-loss metering and intelligent Loading Control System, by liquid Material C is sent in double worm mixer 9 by metering pump, abundant kneading of three kinds of materials through double helix blade f, is sent into single screw rod Extruder 10, extruded material are neatly cut to 10mm by head scraper j, are sent into the material distributing machine 11 swung by front end, then by putting Dynamic material distributing machine 11 is sent into net-bag type drying box 12, and the organic gas of volatilization is recycled to front end by recyclable device and is recycled.
In summary: the adsorbent material it is continuous mixing, be granulated and drying device, by setting airflow pipeline 1, First material storehouse 2, the first feed opening 3, charging valve 4, mixing vessel 5, rotary valve 6, conveying device 7, second material storehouse 8, double spiral shells Revolve mixing machine 9, single screw extrusion machine 10, material distributing machine 11, net-bag type drying box 12, the second feed opening 13 and third feed opening 14 It is used cooperatively, solves the continuous mixing of existing adsorbent material, is granulated that material is mixed during use with drying device Unevenness is closed, production is interrupted and is not easy the problem of shaping.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. continuous mixing, granulation and the drying device of a kind of adsorbent material, including airflow pipeline (1), first material storehouse (2), the first feed opening (3), charging valve (4), mixing vessel (5), rotary valve (6), conveying device (7), second material storehouse (8), Double worm mixer (9), single screw extrusion machine (10), material distributing machine (11), net-bag type drying box (12), the second feed opening (13) and Third feed opening (14), it is characterised in that: the quantity of the airflow pipeline (1) be several, first feed opening (3) And second be connected between feed opening (13) and first material storehouse (2) by airflow pipeline (1), the charging valve (4) Top is connected to first material storehouse (2), and the bottom of the charging valve (4) is connected to mixing vessel (5), the mixing vessel (5) Bottom be connected to rotary valve (6), the bottom of the rotary valve (6) is connected to by conveying device (7) with second material storehouse (8), The bottom of the second material storehouse (8) is connected to double worm mixer (9), and the third feed opening (14) passes through air delivery tube Road (1) is connected to double worm mixer (9), and the bottom of the double worm mixer (9) is connected to single screw extrusion machine (10), institute The right side that material distributing machine (11) is located at single screw extrusion machine (10) is stated, the net-bag type drying box (12) is located at the right side of material distributing machine (11) Side;The double worm mixer (9) includes spray equipment (a), pushing spiral blade (b), mediates blade (c) and discharging helical-blade Piece (d), the quantity of the pushing spiral blade (b) are no less than two, and the quantity for mediating blade (c) is no less than two, institute The quantity for stating discharging helical blade (d) is no less than two.
2. continuous mixing, granulation and the drying device of a kind of adsorbent material according to claim 1, it is characterised in that: The inner cavity of first feed opening (3), the second feed opening (13) and third feed opening (14) is respectively arranged with adsorbent powder Expect A, adhesive material B and liquid material C.
3. continuous mixing, granulation and the drying device of a kind of adsorbent material, including airflow pipeline (1), first material storehouse (2), the first feed opening (3), charging valve (4), mixing vessel (5), rotary valve (6), conveying device (7), second material storehouse (8), Double worm mixer (9), single screw extrusion machine (10), material distributing machine (11), net-bag type drying box (12), the second feed opening (13) and Third feed opening (14), it is characterised in that: the quantity of the airflow pipeline (1) be several, first feed opening (3) And second be connected between feed opening (13) and first material storehouse (2) by airflow pipeline (1), the charging valve (4) Top is connected to first material storehouse (2), and the bottom of the charging valve (4) is connected to mixing vessel (5), the mixing vessel (5) Bottom be connected to rotary valve (6), the bottom of the rotary valve (6) is connected to by conveying device (7) with second material storehouse (8), The bottom of the second material storehouse (8) is connected to double worm mixer (9), and the third feed opening (14) passes through air delivery tube Road (1) is connected to double worm mixer (9), and the bottom of the double worm mixer (9) is connected to single screw extrusion machine (10), institute The right side that material distributing machine (11) is located at single screw extrusion machine (10) is stated, the net-bag type drying box (12) is located at the right side of material distributing machine (11) Side;The single screw extrusion machine (10) includes pressure detector (e), helical blade (f), cooling water jecket (g), stirring screw (h), head orifice plate (i) and head scraper (j), the pressure detector (e) and cooling water jecket (g) are respectively positioned on single screw rod extrusion The top of machine (10), the head orifice plate (i) are located at the right side of single screw extrusion machine (10), and the head scraper (j) is located at machine The quantity on the right side of head bore plate (i), stirring screw (h) is no less than four, and is uniformly distributed in single screw extrusion machine (10) Bottom.
4. continuous mixing, granulation and the drying device of a kind of adsorbent material according to claim 3, it is characterised in that: Entrance is offered at the top of the single screw extrusion machine (10), and entrance is located at the left side of cooling water jecket (g).
5. continuous mixing, granulation and the drying device of a kind of adsorbent material according to claim 3, it is characterised in that: The inner cavity of first feed opening (3), the second feed opening (13) and third feed opening (14) is respectively arranged with adsorbent powder Expect A, adhesive material B and liquid material C.
CN201710679005.5A 2017-08-10 2017-08-10 A kind of continuous mixing, granulation and the drying device of adsorbent material Active CN108654581B (en)

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CN109663514B (en) * 2018-12-29 2021-12-21 佛山市金银河智能装备股份有限公司 Method and device for producing MS glue
CN109761004A (en) * 2019-03-25 2019-05-17 广东洁冠能源科技有限公司 Device for transporting objects, component and method
CN112892345B (en) * 2021-01-19 2022-04-22 安徽沙丰新材料有限公司 Reaction vacuumizing mechanism and kneading device
CN113188319A (en) * 2021-05-25 2021-07-30 山西沃锦新材料股份有限公司 Device and method for continuously producing anhydrous barium chloride
CN115654850A (en) * 2022-10-31 2023-01-31 四川大学 Low-consumption high-efficiency normal-temperature drying technology

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CN102696588B (en) * 2012-06-08 2016-03-16 上海市农药研究所 Method and the device of pesticide water dispersible granules is produced by extrusion
CN202921263U (en) * 2012-12-04 2013-05-08 苏州拓博琳新材料科技有限公司 Continuous granulation equipment
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