CN100435923C - Horizontal solid-liquid mixer - Google Patents

Horizontal solid-liquid mixer Download PDF

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Publication number
CN100435923C
CN100435923C CNB200610119270XA CN200610119270A CN100435923C CN 100435923 C CN100435923 C CN 100435923C CN B200610119270X A CNB200610119270X A CN B200610119270XA CN 200610119270 A CN200610119270 A CN 200610119270A CN 100435923 C CN100435923 C CN 100435923C
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CN
China
Prior art keywords
liquid
paddle
shaft
solid
horizontal solid
Prior art date
Application number
CNB200610119270XA
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Chinese (zh)
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CN1986040A (en
Inventor
章序文
费利江
何建铧
兰建华
陈珏
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上海化工研究院
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Priority to CNB200610119270XA priority Critical patent/CN100435923C/en
Publication of CN1986040A publication Critical patent/CN1986040A/en
Application granted granted Critical
Publication of CN100435923C publication Critical patent/CN100435923C/en

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Abstract

The horizontal solid-liquid mixer includes a speed reducer, bearing seats, mixing chambers of a barrel with powder inlet and liquid inlet in the upstream and discharge port and gas outlet in the downstream, a stirring shaft in the center of the barrel and with ends connected through the rotating shaft to the bearing seats, stirring vane wheel fixed onto the stirring shaft, baffles on the wall of the barrel to separate the barrel into several chambers in the changeable size, and stirring oars fixed onto the stirring vane wheel. Compared with available technology, the present invention has the advantages of high mixing efficiency, high mixing speed, high mixed material homogeneity, and wide application range.

Description

A kind of horizontal solid-liquid mixer

Technical field

The present invention relates to a kind of solid-liquid mixer, relate in particular to a kind of horizontal solid-liquid mixer.

Background technology

At present, the solid-liquid mixing is adopted basically solid-liquid two phase materials is joined in the vertical stirred autoclave by a certain percentage, realizes mixing by agitating device.But to requiring the mixture homogeneity height, the mixed effect of the material that granularity is tiny, two-phase can not dissolve is not satisfactory, show that mainly solid particle easily deposits, easily lump, powder is easily made the best use of the advantages, and incorporation time is long, is requiring under the higher situation of mixture homogeneity, often need some grades of mixing just can be effective, cause technology cost height.

Chinese patent application 200410084721.1 discloses a kind of vertical solid-liquid mixing arrangement and mixed method.This patent application becomes several less Mixed Zones to mixing chamber with barrier partitions, each zone forms high shear zone by the close gap that mixing impeller and scraper and cylinder inboard wall constitute, under the effect of rotary blade and scraping blade, liquid and solid material are because centrifugal force produces higher shearing stress, act on solid and the liquid mixture, make mixed material bump cylinder inboard wall and baffle plate, make solid and liquid material fully disperse to mix, improve powder and produced powder second cohesion grain phenomenon, the block that effectively prevents " powder agglomates " or insoluble matters such as " powder balls " or do not disperse.In addition this patent also below liquid inlet opening and the powder charging aperture above a dynamic liquid distribution grid is set liquid is sprayed in the pressed powder more uniformly, effectively prevented dust raising phenomenon.Though this patent has been improved the solid-liquid mixing to a great extent, its solid easily is deposited on blade disk and the baffle plate, and because the sedimentation of solid particle exists, makes material solids distribution difference to some extent up and down.Therefore, this hybrid mode still reaches very promising result.

The clear 63-143928 of Japan Patent discloses a kind of horizontal solid-liquid mixer, its feeding-in solid body employing laterally reaches the longitudinal spiral feed appliance and carries out along the shaft direction, liquid is provided with baffle plate from the charging of mixing chamber upstream side at mixing chamber, and mixing chamber is divided into some each mixed cell territories.Solved the solids distribution difference problem that solid material is piled up and the solid material sedimentation causes on blade disk and the baffle plate, but its solid and liquid feeding manner do not solve appearance " powder agglomates " or " powder ball " and dust raising phenomenon, because the liquid charging is not evenly distributed in the solid and goes, increase the jitter time of solid in liquid, caused having prolonged incorporation time.

Summary of the invention

Purpose of the present invention is exactly to provide a kind of well-mixed horizontal solid-liquid mixer that can finish the solid-liquid two-phase at short notice for the defective that overcomes above-mentioned prior art existence.

Purpose of the present invention can be achieved through the following technical solutions: a kind of horizontal solid-liquid mixer, it is characterized in that, this device comprises reductor, bearing block, the mixing chamber that surrounds by cylindrical shell, the cylindrical shell upstream is provided with the powder charging aperture, liquid feed pipe, the downstream is provided with discharge port, exhaust outlet, the cylindrical shell center is provided with shaft, these shaft two ends connect with bearing block by rotating shaft respectively, for convenience detach, agitator arm is fixed on the shaft, and cylinder inboard wall is provided with the big I that baffle plate is divided into mix cylinder a plurality of mixing chambers and mixing chamber and changes according to the solid-liquid ratio is different, and paddle is fixed on the agitator arm; Powder material evenly adds from the powder charging aperture, adopt feeding screw to join in the mixing chamber continuously and quantitatively, liquid utilizes measuring pump continuously to be ejected into the mixing chamber by a certain percentage from liquid feed pipe aperture and solid powder, reductor drives the rotating shaft that is attached thereto, shaft and paddle rotate with rotating shaft, and shaft connects with rotating shaft by key.

The distance of paddle outer and cylinder inboard wall is 1~15mm, and distance is 10~100mm between paddle and the baffle plate, and the linear velocity of stirrer paddle outer is 3~20m/s.

It is circular that liquid feed pipe becomes, and evenly offers the hole of 4~16 different angles directions on the endless tube, and perforated area is 0.6~1.5: 1 with the ratio of the area of liquid feed pipe, and preferred 0.9~1.0: 1;

The big I of opening diameter changes according to the viscosity that adds liquid flexibly on the liquid feed pipe, liquid viscosity is big, opens bigger hole, and viscosity is low, open than aperture, liquid feed pipe connects with body by screw thread, can be convenient for changing according to different material, and liquid is under pump is added to certain pressure, around the powder charging aperture, form a water ring by the distribution hole on the feed pipe, both can play and stopped that powder flew upward, can play the uniform effect of liquid again, and promote solid-liquid to mix.

Cylindrical shell is divided into a plurality of mixing chambers by baffle plate, baffle plate can be dismantled easily, mixing chamber quantity and big I are changed by material properties, because first order mixing chamber is the initial period that solid-liquid mixes, incorporation time requires longer relatively, therefore its mixing chamber length is long 1.2~2 times than other, and all the other length are suitable.

The number of paddle can freely change, the baffle plate number is corresponding with the paddle number, and can be with the material properties adjustment, the baffle plate internal diameter needs less than the paddle disk diameter, has guaranteed mixed material flowing by certain motion path and range of movement in mixing chamber, has effectively increased the mobile stroke of material in mix cylinder simultaneously, prolonged incorporation time, make mixing of materials more abundant, the baffle plate setting makes has avoided material short circuit phenomenon between upstream and downstream to occur, and forces material to flow by certain direction simultaneously.

Exhaust outlet is arranged on the top of mixing chamber cylindrical shell, be provided with screen pack in the exhaust outlet, the aperture of screen pack is less than the particle diameter that adds solid, remove the gas of carrying secretly in the mixed material, reduce the influence of gas to downstream process, generation branch powder flew upward and causes exhaust outlet to stop up phenomenon when its back-blowing device had been avoided owing to the adding powder.

Compared with prior art, characteristics of the present invention are: have mixing efficiency height, fast, the uniform characteristics of mixing of materials of mixing velocity, and applied widely, can not produce powder and mix the powder ball that produces often with liquid, the deposition of solid phenomenon can not appear.This horizontal type mixing device is simple in structure, is fit to continued operation, and can be as required, different several powders chargings in proportion, and several liquid charging in proportion mix, and can realize conveniently that multicomponent mixes in proportion.The liquid feed pipe that this mixing arrangement is designed can play preventing that preferably powder from flying upward and promote liquid-solid two-phase to mix fast evenly, shortens advantages such as incorporation time.

Description of drawings

Fig. 1 is the structural representation of the horizontal formula solid-liquid mixer of the embodiment of the invention;

Fig. 2 is a liquid feed pipe structural representation of the present invention;

Fig. 3 is a liquid feed pipe hydrojet end surfaces schematic diagram of the present invention.

The specific embodiment

Below in conjunction with the accompanying drawings and the specific embodiments, the invention will be further described.

Shown in the accompanying drawing: reductor 1, shaft coupling 2, bearing block 3, stuffing-box 4, feeding-in solid body mouth 5, liquid feed pipe 6, rotating shaft 7, shaft 8, paddle 9, mixing chamber 10, baffle plate 11, Butterworth Hatch 12, exhaust outlet (band recoil mouth) 13, screen pack 14, mix cylinder 15, rotating shaft 16, discharge port 17, spray hole 18.

Operation principle

Powder material evenly adds from the powder charging aperture, adopts feeding screw to join in the mixing chamber continuously and quantitatively.Liquid utilizes measuring pump continuously to be ejected into the mixing chamber by a certain percentage from liquid feed pipe aperture and solid powder.Reductor drives the rotating shaft that is attached thereto, and shaft and paddle rotate with rotating shaft, and shaft connects with rotating shaft by key.In order to prevent that material from forming short circuit along the mixing drum body wall, on the mix cylinder inwall, be provided with annular baffle, the baffle plate number is corresponding with the paddle number, and can be with the material properties adjustment, the baffle plate internal diameter needs less than the paddle disk diameter, has guaranteed mixed material flowing by certain motion path and range of movement in mixing chamber, has effectively increased the mobile stroke of material in mix cylinder simultaneously, prolonged incorporation time, made mixing of materials more abundant.The narrow and small mixing chamber that material forms under the effect of rotation paddle high speed shear and with mix cylinder and baffle plate, solid and liquid material have realized that abundant dispersion mixes, and has avoided the powder agglomeration phenomenon.Simultaneously, define less clearance between paddle and baffle plate, reduced the accumulation of solid material in baffle plate and mix cylinder intersection.

Embodiment

As shown in Figure 1, 2, 3, horizontal solid-liquid mixer of the present invention mainly comprises the mixing chamber 10 that is surrounded by cylindrical shell 15, and feeding-in solid body mouth 5, liquid feed pipe 6, discharge port 17, exhaust outlet 13, Butterworth Hatch 12 are arranged on the cylindrical shell 15, and there is shaft 8 in cylindrical shell 15 central authorities.Rotating shaft 7 seals by stuffing-box 4.The axle of this horizontal solid-liquid mixer is made up of rotating shaft 7, shaft 8 and paddle 9, can be for convenience detach.Liquid feed pipe 6 is provided with the hole of 4~20 0.5~5mm, it is the uniform aperture of 4mm that present embodiment is opened 6 diameters, liquid feed pipe 6 connects with mix cylinder by screw thread, can carry out hole number and position are changed according to different material, fly upward to prevent the powder that powder material adds fashionable generation.Paddle 9 is fixed on the shaft 8, and the distance of paddle 8 outers and cylindrical shell 15 inwalls is 5.5mm, and the linear velocity of paddle 9 outers is 5~14m/s.Cylindrical shell 15 inwalls are provided with baffle plate 11 mix cylinder 15 are divided into a plurality of mixing chambers 10.

When carrying out the mixing of solid-liquid material, powder material evenly adds from powder charging aperture 5 by feeding screw, and liquid material constantly joins the mixing chamber 10 through metering from liquid feed pipe 6.Reducing motor 1 drives and shaft coupling, driven rotary axle 7, and shaft 8 and paddle 9 rotate thereupon, carry out the mixing of powder and liquid.Because mix cylinder 15 usefulness baffle plates are separated into less one by one Mixed Zone, adding that paddle 9 outers and cylindrical shell 15 inwalls that are fixed on the shaft are defined as very little gap, material is flowed in mixing chamber 10 by certain motion path and range of movement in mixed process, in this process, material has guaranteed that constantly by closely spaced high shear zone material disperses to mix fully.Mixed material draws off the adding next process from discharge port 17 under the effect of pusher paddle 9.Cylindrical shell is provided with the exhaust outlet 13 of band recoil mouth, extracts the gas that mixed process produces, and prevents the gas-entrained influence to subsequent technique of material, is provided with screen pack 14 in addition on exhaust outlet, prevents that solid particle from entering air extractor.

Claims (7)

1. horizontal solid-liquid mixer, it is characterized in that, this device comprises reductor (1), bearing block (3), the mixing chamber (10) that surrounds by cylindrical shell, the cylindrical shell upstream is provided with powder charging aperture (5), liquid feed pipe (6), the downstream is provided with discharge port (17), exhaust outlet (13), the cylindrical shell center is provided with shaft (8), this shaft (8) two ends connect with bearing block (3) by rotating shaft (7) respectively, agitator arm is fixed on the shaft (8), cylinder inboard wall is provided with baffle plate (11) mix cylinder (15) is divided into a plurality of mixing chambers (10), and paddle (9) is fixed on the agitator arm; Reductor (1) drives the rotating shaft (7) that is attached thereto, and shaft (8) rotates with rotating shaft (16) with paddle (9), and shaft (8) connects with rotating shaft (16) by key.
2. a kind of horizontal solid-liquid mixer according to claim 1 is characterized in that the distance of described paddle outer and cylinder inboard wall is 1~15mm, and distance is 10~100mm between paddle and the baffle plate, and the linear velocity of stirrer paddle outer is 3~20m/s.
3. a kind of horizontal solid-liquid mixer according to claim 1, it is characterized in that described liquid feed pipe becomes circular, evenly offer the hole of 4~16 different angles directions on the endless tube, perforated area is 0.6~1.5: 1 with the ratio of the area of liquid feed pipe, preferred 0.9~1.0: 1.
4. according to claim 1 or 3 described a kind of horizontal solid-liquid mixers, it is characterized in that described liquid feed pipe (6) connects with body by screw thread.
5. a kind of horizontal solid-liquid mixer according to claim 1 is characterized in that, described cylindrical shell is divided into a plurality of mixing chambers (10) by baffle plate (11), and first order mixing chamber length is long 1.2~2 times than other, and all the other length are suitable.
6. a kind of horizontal solid-liquid mixer according to claim 1, it is characterized in that the number of described paddle (9) can freely change, baffle plate (11) number is corresponding with paddle (9) number, baffle plate (11) is an annular, and its internal diameter is less than paddle (9) disk diameter.
7. a kind of horizontal solid-liquid mixer according to claim 1, it is characterized in that, described exhaust outlet (13) is arranged on the top of mixing chamber (10) cylindrical shell, is provided with screen pack (14) in the exhaust outlet (13), and the aperture of screen pack (14) is less than the particle diameter that adds solid.
CNB200610119270XA 2006-12-07 2006-12-07 Horizontal solid-liquid mixer CN100435923C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB200610119270XA CN100435923C (en) 2006-12-07 2006-12-07 Horizontal solid-liquid mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200610119270XA CN100435923C (en) 2006-12-07 2006-12-07 Horizontal solid-liquid mixer

Publications (2)

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CN1986040A CN1986040A (en) 2007-06-27
CN100435923C true CN100435923C (en) 2008-11-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102019163B (en) * 2009-09-17 2013-10-16 中国纺织科学研究院 Continuous homogenizing mixing reactor

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CN101513599B (en) * 2009-03-03 2011-05-25 中冶长天国际工程有限责任公司 Mixer with detachable exhaust tube
CN101837258A (en) * 2009-03-18 2010-09-22 上海亦晨信息科技发展有限公司 Mixing and impelling type horizontal premixing device and method thereof
CN102133510A (en) * 2010-01-21 2011-07-27 北京中矿环保科技股份有限公司 Stirring bin
CN102728268A (en) * 2012-06-29 2012-10-17 宁波金盛纤维科技有限公司 Slurry disperser
CN102896727A (en) * 2012-10-19 2013-01-30 万国骅 Combined type hybrid pouring device of foaming machine
CN103170297A (en) * 2013-03-19 2013-06-26 葫芦岛华远化工机械装备有限公司 Horizontal type dispersion polymerization kettle for producing polyvinylidene fluoride
CN103240016B (en) * 2013-05-08 2015-11-25 上海电机学院 A kind of online process agitating device
CN104289121B (en) * 2013-07-15 2016-02-24 江苏嘉贤米业有限公司 Rice shoot Nutrition Soil processor
CN103706267A (en) * 2013-12-12 2014-04-09 桂林华德机械设备有限公司 Solid-liquid mixing and dissolution tank
CN106390804A (en) * 2016-11-18 2017-02-15 广西大学 Mixing canister for chemical industry production
CN107032381B (en) * 2017-03-20 2019-06-25 连州市凯恩斯纳米材料有限公司 A kind of stirring-type continuous carbonization device and calcium carbonate particle synthetic method
CN107443871B (en) * 2017-09-23 2019-03-05 温州华正包装股份有限公司 Intaglio press ink cyclic utilization system

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US6349570B1 (en) * 1999-04-14 2002-02-26 Merkle Engineers, Inc. In-barrel wetting screw charger
US6634625B1 (en) * 1999-04-14 2003-10-21 Modutech Sa Mixer for fluid or solid substances

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6349570B1 (en) * 1999-04-14 2002-02-26 Merkle Engineers, Inc. In-barrel wetting screw charger
US6634625B1 (en) * 1999-04-14 2003-10-21 Modutech Sa Mixer for fluid or solid substances

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102019163B (en) * 2009-09-17 2013-10-16 中国纺织科学研究院 Continuous homogenizing mixing reactor

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