CN101598484B - Three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer - Google Patents
Three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer Download PDFInfo
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- CN101598484B CN101598484B CN2009100336859A CN200910033685A CN101598484B CN 101598484 B CN101598484 B CN 101598484B CN 2009100336859 A CN2009100336859 A CN 2009100336859A CN 200910033685 A CN200910033685 A CN 200910033685A CN 101598484 B CN101598484 B CN 101598484B
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- fluidized bed
- air
- upper box
- filter bag
- blast cap
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Abstract
The invention relates to a three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer which is suitable for drying powder material of regular shape such as Laroflex MP with granularity ranging from 50mu m to 5000mu m. The drier comprises a foundation (9), a lower housing (13), a fluidized bed body (6), an upper housing (18) and a bag type dust collector (24); wherein the lower housing (13) is supported on the foundation (9) by a slantly arranged plate spring (12), a case type vibration exciter (14) is arranged at the front end of the lower housing (13), the fluidized bed body (6) is arranged above the lower housing (13) and internally provided with a hood-shaped fluidized bed plate (7), the upper housing (18) is arranged above the fluidized bed body (6) and internally provided with a plurality of groups of bag type dust collectors (24). An air-reserve tank (24.6) is arranged outside the upper housing (18), a plurality of air branch pipes (24.3) are internally arranged in the air-reserve tank (24.6), wherein each air branch pipe (24.3) is provided with a pulse solenoid valve (24.5), the bottom part thereof is provided with an air source hole (24.7). The drier of the invention features low energy consumption, high production efficiency, good operation stability and good uniformity of products.
Description
(1) technical field
The present invention relates to a kind of fluid bed dryer.Be applicable to the drying of granularity at 50～5000 μ m regular shape powder materials such as chlorinated polyether resin etc.Belong to the drying equipment technical field.
(2) background technology
The product chlorinated polyether resin is called for short LMP.It is a kind of macromolecular compound of white powder crystallization.The new product that has just developed at the beginning of 21 century.In process of production, LMP adopts the disc type ebullated bed of discontinuous to carry out dry.Its major defect is:
1, the disk ebullated bed is fixed fluidized bed, and vibrating motor is not set.Its mass transport, move and fluidisation all relies on the effect of air quantity, therefore, that the disk ebullated bed needs is big with air quantity, energy consumption is high.
2, the disk ebullated bed is that single pot of interruption is produced, and its charging, discharging all are manual work.Therefore, labour intensity is big, production capacity is low.Simultaneously, because LMP is a powdery, the fines that operation site dust from flying, tail gas are carried secretly is also a lot, causes environmental pollution.
Materials such as 3, disk ebullated bed, viscosity big to water content, particle diameter is inhomogeneous are not easy fluidisation.Therefore, operational stability is bad, and back-mixing material phenomenon is serious, product lack of homogeneity, difficult quality guarantee.
(3) summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide that a kind of energy consumption is low, production efficiency is high, operational stability is good, the three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer of product good uniformity.
The object of the present invention is achieved like this: a kind of three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer, comprise base, lower box, fluidized bed body, upper box and sack cleaner,
Described lower box is supported on the base by the flat spring that is obliquely installed, described lower box is provided with a plurality of air inlets, cut off with the lower box vertical clapboard between each air inlet, not connected, form a plurality of air compartments, front end at lower box is equipped with box vibrator, this box vibrator is by the driven by motor that is installed on the base, 72 ° of the gradients that described flat spring is installed are provided with helical spring between flat spring and flat spring, a described helical spring end is fixed on the described base, the other end is a free end, the inclination angle that helical spring is installed is 18 °, with the inclination angle of flat spring complementary angle each other
Described fluidized bed body is arranged at described lower box top, is provided with blast cap type fluidisation bed board in the fluidized bed body,
Described upper box is arranged at the top of described fluidized bed body, and polylith upper box vertical clapboard is set in the upper box, and this upper box vertical clapboard will be separated into a plurality of intervals in the described upper box, is used for installing many group sack cleaners,
Every group of sack cleaner comprises card and filter bag frame assembly, described card crosswise fixed is arranged at described upper box top, the filter bag frame assembly has a plurality of, a plurality of filter bag frame assemblies are lifted on downwards on the described card, upper box is outside equipped with gas receiver, ordering according to described filter bag framework in the upper box, from the some air arms parallel of the inboard preparation of gas receiver with the orientation of filter bag frame assembly, described air arm is arranged at the top of described card, on every air arm impulse electromagnetic valve is installed all, the bottom of every air arm offers air source hole, and the position of opening of described air source hole is aimed at the center of each filter bag framework of every row's filter bag framework;
On the bulkhead between described upper box and the fluidized bed body hopper wall vibrator is installed.
The invention has the beneficial effects as follows:
1, the front end of fluid bed lower box is installed box vibrator, and box vibrator drives the vibration of liquid bed body by the rotation of eccentric block, material is thrown or moved.This drying machine does not need vibrating motor, drives fluid bed but adopt a Daepori three-way motor to drive box vibrator.Motor itself is not joined and is shaken, and therefore, has guaranteed the fluid bed absolute synchronization, and the machine tool vibration is very steady, amplitude constant, goods fluid and carry yet highly stable.In addition, lower box and fluidized bed body all are supported on the flat spring horizontal plane of oblique arrangement of a lot of resonance, and the horizontal exciting force that vibrator produces vibrates fluid bed by flat spring.The locate mode of this bed body has guaranteed the bed surface each point all the time on same horizontal plane, thereby fluosolids is stable, bias current, channel and back-mixing can not take place.Therefore, energy consumption is lower than fixed fluidized bed.The material of hopper wall vibrator effectively reclaims, and has also reduced production cost.
2, increased upper box newly at the top of original pair of plastid fluid bed dryer, be provided with many group sack cleaners, each filter bag framework has all disposed the deashing source of the gas.It is the deashing automation control system of main execution and controlling organization that the sack cleaner of drying machine adopts with electromagnetic impulse valve and electric controller.The advance of this deashing control system is the signal of telecommunication with millisecond meter, and pulse valve is opened in a flash, produces powerful impact air-flow, thereby realizes the moment winding-up.Its function admirable, the instrument advanced person, reliable, efficiency of dust collection is very high.
3, sealing is added a cover at the top of upper box, and tail gas is connected the air-introduced machine emptying, and the powder in the tail gas significantly reduces, and environmental pollution has obtained obvious improvement.
4, drying machine fluidisation bed board adopts novel blast cap type structure.Blast cap on the fluidisation bed board is changed into horizontal direction with the air-flow that makes progress, thereby material is all held up, and can not form dead angle, bias current, channel, and the fluosolids of machine tool is stable, and fluidized state is good.It can make material fluidized drying under different gas velocities effectively, and heat and mass efficient is higher.Simultaneously, this blast cap type bed board, material handling does not destroy product appearance as mild as a dove, and material can be not overheated yet, guarantees the original character of material.If run into unexpected parking, material can not descend Lou yet, and the fumarole on the bed board can not stop up yet.
To sum up, this dry function consumption is low, the production efficiency height, and operational stability is good, the product good uniformity.
(4) description of drawings
Fig. 1 is the Facad structure schematic diagram of three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer of the present invention.
Fig. 2 is the left side view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the Facad structure schematic diagram of blast cap type fluidisation bed board of the present invention.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the A-A enlarged drawing of Fig. 4.
Fig. 7 is the pulse source of the gas figure of invention.
Fig. 8 is Fig. 7 hollow gas branch pipe and gas receiver connection diagram.
Fig. 9 props up the tube portion side view for filter bag framework and the air among Fig. 7.
Figure 10 is the B-B cut-away view of Fig. 7.
Among the figure:
Fluidisation bed board 7.1, blast cap 7.2, blast cap bolt 7.3, stripe board 7.4;
Card 24.1, filter bag frame assembly 24.2, air arm 24.3, active joint 24.4, impulse electromagnetic valve 24.5, gas receiver 24.6, air source hole 24.7.
(5) specific embodiment
Referring to Fig. 1～3, three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer of the present invention is made up of base 9, lower box 13, fluidized bed body 6 and upper box 18 4 major parts.
Described lower box 13 is inlet air plenum, is cuboid, adopts corrosion resistant plate to be made, and whole lower box 13 is supported on the base 9 by the flat spring 12 that is obliquely installed.Described lower box 13 is provided with eight air inlets 22, cuts off with lower box vertical clapboard 4 between each air inlet 22, and is not connected, forms eight air compartments.All have at each air compartment place and to open hand hole 3 soon, be convenient to check and clear up material in the air compartment.At the front end of lower box 13 box vibrator 14 has been installed, this box vibrator 14 is driven by the motor 10 that is installed on the described base 9.When box vibrator 14 rotated, the exciting horizontal force of generation vibrated fluidized bed body by the flat spring that tilts.Flat spring 12 is to adopt bolted on the spring base of described lower box 13 and base 9.72 ° of the gradients that flat spring 12 is installed.Between flat spring 12, also be provided with the few helical spring of quantity 11, one end of described helical spring 11 is fixed by bolts on the shelf of described base 9, the other end is a free end, helical spring 11 is enclosed within on the pipe on the shelf of base 9, major function is exactly by the stressed size of helical spring, can cushion the intensity to fluidized bed body 6 vibrations; Also can be used for regulating the amplitude of fluidized bed body 6, guarantee fluidized state preferably.The inclination angle that helical spring 11 is installed is 18 °, with the inclination angle of flat spring 12 complementary angle each other, has played complementation.Helical spring has higher fatigue limit and enough impact flexibility.
Referring to Fig. 4～6, fluidized bed body 6 is core positions of fluid bed dryer.Be arranged at described lower box 13 tops, be provided with blast cap type fluidisation bed board 7 in the fluidized bed body 6, described blast cap type fluidisation bed board 7 mainly is made up of fluidisation bed board 7.1, blast cap 7.2 and stripe board 7.4.Fluidisation bed board 7.1 adopts thickness to make for the 8m/m corrosion resistant plate.The uniform blast cap of a lot of spacings hole is offered in the front of fluidisation bed board 7.1, and being welded with dorsad and the corresponding stripe board 7.4 in blast cap hole of fluidisation bed board 7.1 is shaped on screwed hole on every stripe board 7.4, and the air feed cap is fastened on the usefulness of fluidisation bed board.Described blast cap 7.2 is combined by blast cap lid and 7.3 welding of blast cap bolt.The method of its making is such: suppress the cap of keeping watch with mould earlier and extrude, then blast cap bolt 7.3 is vertically welded on the center of blast cap lid.By polish polishing blast cap.Also be provided with the material controlling that manually shakes in the exit of fluidized bed body 6 and revolve door 5, as Fig. 1.This is used for regulating the fluosolids material thickness.The amplitude of accommodation that material controlling revolves door is 90 °.Angle is big more, and the bed of material is thick more.Also offer five glass visors 16 and fast-assembling manhole 21 on the fluidized bed body 6, convenient interior fluidized state of bed and the inner buildup of cleaning of observing.
Described upper box 18 is arranged at the top of described fluidized bed body 6, and seven upper box vertical clapboards 20 are set in the upper box 18, and this upper box vertical clapboard 20 is used for installing eight groups of sack cleaners with being separated into eight intervals in the described upper box 18.
Referring to Fig. 7～10, every group of sack cleaner 24 comprises card 24.1 and filter bag frame assembly 24.2, described card 24.1 crosswise fixed are arranged at described upper box 18 tops, filter bag frame assembly 24.2 has a plurality of, a plurality of filter bag frame assemblies 24.2 are lifted on downwards on the described card 24.1, upper box 18 is outside equipped with gas receiver 24.6, ordering according to described filter bag framework in the upper box 18, from the some air arms 24.3 parallel of gas receiver 24.6 inboard preparations with 24.2 orientations of filter bag frame assembly, described air arm 24.3 is arranged at the top of described card 24.1, with the vertical range of card 24.1 be 100m/m.On every air arm 24.3 impulse electromagnetic valve 24.5 is installed all, the bottom of every air arm 24.3 offers air source hole 24.7, and the position of opening of described air source hole 24.7 is aimed at the center of each filter bag framework of every row's filter bag framework.
Described filter bag frame assembly 24.2 is meant the combination of filter bag and framework, and the filter bag of promptly making is enclosed within on the framework, and firmly links together with clip.The structure of filter bag frame assembly, the material of selecting for use, and the gap that matches is the principal element that guarantees filtering accuracy, ash-removal effect and raising service life.The filtrate of filter bag is selected terylene Nomex (polyester PET) or polypropylene fibre Nomex (polypropylene PP) for use.The characteristics of these filtrates are to be retained a main filtration in the dust-filtering process that the filtrate windward side forms.This filtrate has characteristics such as hole is little, resistance is little, air penetrability is high, filtering accuracy is good, helps the removing of dust.It is that three pins, the six line sewing units that employing is produced filter bag from the special use of Japan's introduction are made that filter bag is made.Life of bag filter is very long, can save production cost, can improve efficiency of dust collection again.Framework is the rib of filter bag.It is light and handy, smooth, straight and upright, is convenient to installation and maintenance.Framework adopts the plug in construction mode, is about to the filter bag frame assembly and directly inserts in the card 24.1 at top.Frame material is selected stainless steel 316L for use.
Sack cleaner has been selected the line pulse controller that links to each other with impulse electromagnetic valve for use, when having implemented deduster work, filter one side deashing on one side.Pulse control instrument is exported the signal of telecommunication by pulse width of setting (being the signal of telecommunication time) and pulse spacing (i.e. the blanking time of twice winding-up), is used for control impuls magnetic valve jetting deashing one by one.
During deduster work, seven groups of filtrations, one group of deashing.Pulse control instrument is pressed product LMP technological requirement and is set its pulse width and pulse spacing, and the opening and closing of the signal of telecommunication control impuls magnetic valve of output when magnetic valve has the signal of telecommunication, are opened immediately.Produce powerful impact air-flow in the moment of opening, thereby realize the moment winding-up, remove the dust stratification that sticks on the filter bag.Simultaneously, the pulse spacing of the setting output signal of telecommunication changes, and makes second group of charged opening of magnetic valve, enters the deashing program, starts second group of deduster deashing, and first group closed immediately because of dead electricity, enters the filtration working procedure, and the rest may be inferred.After eight groups of deashings all finished, pulse period (eight groups of dedusters experience one time deashing time successively) the output signal of telecommunication changed, and starts circulation for the second time again.
Four hopper wall vibrators 23 are installed on the bulkhead between described upper box 18 and the fluidized bed body 6, and hopper wall vibrator 23 adopts and is bolted on the carbon steel basis of described bulkhead.
Base 9 bears the weight load of whole fluid bed dryer, make base and need use relatively large number channel-section steel, angle steel, and also to want mounting material in the bottom of base is the damping shock absorption device 8 of rubber, cushions the influence of exciting force to base.
Claims (3)
1. three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer, it is characterized in that: described drying machine comprises base (9), lower box (13), fluidized bed body (6), upper box (18) and sack cleaner (24);
Described lower box (13) is supported on the base (9) by the flat spring (12) that is obliquely installed, and described lower box (13) is provided with a plurality of air inlets (22), cuts off with lower box vertical clapboard (4) between each air inlet (22); Not connected, form a plurality of air compartments, front end at lower box (13) is equipped with box vibrator (14), this box vibrator (14) is driven by the motor (10) that is installed on the base (9), 72 ° of the gradients that described flat spring (12) is installed, between flat spring (12) and flat spring (12), be provided with helical spring (11), one end of described helical spring (11) is fixed on the described base (9), the other end is a free end, the inclination angle that helical spring (11) is installed is 18 °, with the inclination angle of flat spring (12) complementary angle each other;
Described fluidized bed body (6) is arranged at described lower box (13) top, is provided with blast cap type fluidisation bed board (7) in the fluidized bed body (6);
Described upper box (18) is arranged at the top of described fluidized bed body (6), polylith upper box vertical clapboard (20) is set in the upper box (18), this upper box vertical clapboard (20) will be separated into a plurality of intervals in the described upper box (18), is used for installing many group sack cleaners (24);
Every group of sack cleaner (24) comprises card (24.1) and filter bag frame assembly (24.2), described card (24.1) crosswise fixed is arranged at described upper box (18) top, filter bag frame assembly (24.2) has a plurality of, a plurality of filter bag frame assemblies (24.2) are lifted on downwards on the described card (24.1), upper box (18) is outside equipped with gas receiver (24.6), ordering according to described filter bag frame assembly in the upper box (18), from the some air arms (24.3) parallel of the inboard preparation of gas receiver (24.6) with filter bag frame assembly (24.2) orientation, described air arm (24.3) is arranged at the top of described card (24.1), impulse electromagnetic valve (24.5) all is installed on every air arm (24.3), the bottom of every air arm (24.3) offers air source hole (24.7), and the position of opening of described air source hole (24.7) is aimed at the center of each filter bag frame assembly of every row's filter bag frame assembly;
On the bulkhead between described upper box (18) and the fluidized bed body (6) hopper wall vibrator (23) is installed.
2. a kind of three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer according to claim 1, it is characterized in that: described blast cap type fluidisation bed board (7) comprises fluidisation bed board (7.1), blast cap (7.2) and stripe board (7.4), the uniform blast cap of a plurality of spacings hole is offered in the front of fluidisation bed board (7.1), being welded with dorsad and the corresponding stripe board in blast cap hole (7.4) of fluidisation bed board (7.1), described blast cap (7.2) is combined by blast cap lid and blast cap bolt (7.3) welding.
3. a kind of three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer according to claim 1 is characterized in that: described base (9) bottom is equipped with the damping shock absorption device (8) that material is a rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100336859A CN101598484B (en) | 2009-06-05 | 2009-06-05 | Three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100336859A CN101598484B (en) | 2009-06-05 | 2009-06-05 | Three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer |
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| Publication Number | Publication Date |
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| CN101598484A CN101598484A (en) | 2009-12-09 |
| CN101598484B true CN101598484B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100336859A Expired - Fee Related CN101598484B (en) | 2009-06-05 | 2009-06-05 | Three-plasmid whole sealing environmentally friendly vibration fluidized bed dryer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410706A (en) * | 2011-11-03 | 2012-04-11 | 云南新立有色金属有限公司 | Fluidized bed drying method of ilmenite powder |
| CN103727771B (en) * | 2013-12-17 | 2015-12-23 | 天津市国民制药机械有限公司 | High temperature heat pump boiling drier |
| CN109974397B (en) * | 2018-08-24 | 2020-10-09 | 北京化工大学 | Multipurpose intelligent regulation air flow drying and electrostatic detection elimination inspection production device |
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2009
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