CN2274055Y - Non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine - Google Patents
Non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine Download PDFInfo
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- CN2274055Y CN2274055Y CN96224281U CN96224281U CN2274055Y CN 2274055 Y CN2274055 Y CN 2274055Y CN 96224281 U CN96224281 U CN 96224281U CN 96224281 U CN96224281 U CN 96224281U CN 2274055 Y CN2274055 Y CN 2274055Y
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Abstract
The utility model relates to a non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine. The utility model is characterized in that positive-pressure air enters the upper part of a mixing granulating chamber through a pipeline A after passing through a filter and an air heater from a blower. An air cyclone is installed at the lower part of the mixing granulating chamber. Bag type filtering mechanisms 7 are installed around the upper part of a positive-pressure air channel B. Each filtering mechanism is composed of a filter bag which is supported by a conic supporting bracket. The air intake in the positive direction and the air sucking opening of the filter bag are started and shut by a linking valve which is controlled by cylinders 5, 6. When working, at least one bag type filtering mechanism is in the state of positive pressure air inlet admittance for blowing dust; other bag type filtering mechanisms are in the state of air suction and filtering; the filtering mechanisms carry out positive pressure air entrance for blowing dust by turns. The utility model which can fast and homogeneously mix materials has the advantage of high work efficiency in granulation and drying. The non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine can be used for carrying out film coating for granules, microparticles, mini-pills, crystals, capsules, tablets with different geometric shapes and different sizes, etc.
Description
This utility model relates to chemical industry, medicine, food, light industry, the granulation of industrial circles such as feedstuff, the equipment of drying and coating operation, particularly a kind of malleation blowing taper filter bag type granulation dry coationg machine of not shutting down.
Chinese patent ZL91230018.3 discloses a kind of one-step-granulating method, and it is in a sealed container, makes material boiling fluidisation by the negative pressure air intake, again by two hole nozzles of being located at boiling fluidization regions top, and a hole jetting liquid material, hole spray compressed air.Make the liquid adhesive atomizing of ejection, contact with material and make granule.The life of fine powder catcher is arranged on the top of nozzle, and when trembling fines, entire equipment quits work, and fluid boiling also stops, and after material shaking finished, operate as normal again so hocketed again, finishes up to work.This shows that one-step-granulating method also exists deficiency, mainly show the following aspects:
1. one-step-granulating method is the negative pressure air intake, and material is in the main frame casing as adorn unevenly, will influence the boiling fluid effect of material, and one side fluid effect that material is many is relatively poor, and few one side fluid effect is better, thereby influences the effect of whole mixing granulation.
2. tremble bag because catcher is shutdown, thereby in entire work process, open during machine, directly influences the fluid effect of material the stopping time.
3. the nozzle of one-step-granulating method is owing to be downward atomizing of liquids binding agent from top, because the boiling effect is relatively poor, so material is also poor in conjunction with the effect of binding agent, this is less than good granulating efficiency.
4. because nozzle is to spray from top to bottom, under the suction of negative pressure, part binding agent and material dust will rise and will be bonded on the filter bag with air-flow, depending merely on the shake filter bag is fully the dust that is bonded on the filter bag to be shaked off, time has been grown, the dust that clings on the filter bag increases, and filter bag is blocked, and the interior fluid effect of equipment is further descended.
5. the nozzle of one-step-granulating method is made up of two holes, the interstitial hole spray adhesive, and external holes jet compression air makes the liquid adhesive atomizing of ejection.But, because fast from the compressed air speed of outer hole ejection, thus negative pressure formed around making nozzle, material forms suction relatively, makes material fill up this vacuum, and therefore nozzle can block gradually, cause atomizing effect worse and worse, spray angle is more and more littler, further influences granulating efficiency.
The purpose of this utility model is to provide a kind of fluidisation, boiling effect, and mixing granulation is effective, the malleation blowing taper filter bag type granulation dry coationg machine of not shutting down of high efficiency.
Above-mentioned purpose of the present utility model is to realize by such technical scheme: promptly a kind of malleation blowing taper filter bag type granulation dry coationg machine of not shutting down, comprise air intake blower fan, convulsion blower fan, the overanxious mechanism of pocket type, mixing granulation chamber and cylinder, it is characterized in that: positive pressure air by blower fan through enter the top of mixing granulation chamber behind filter and the heater by pipeline A; The bottom of mixing granulation chamber is equipped with the air cyclone, and nozzle is installed on it, and pipeline B is passed down through the bottom that the air cyclone is connected to positive pressure air the mixing granulation chamber by the top of mixing granulation chamber; Bag type filtering mechanism is installed around the upper channel B of mixing granulation chamber, and each filter mechanism is made up of the filter bag that conical support supports.The forward air inlet of filter bag and suction opeing have at least a bag type filtering mechanism to be in malleation air intake drifting dust state by the interlock valve opening and closing of cylinder control during work, other is in convulsion and filters state, and each filter mechanism carries out malleation air intake drifting dust in turn; Positive pressure air is extracted out after the overanxious mechanism of pocket type by air exhauster.
The embodiment of the indefiniteness that said structure of the present utility model can provide by accompanying drawing further specifies.
This utility model has following accompanying drawing:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the structural representation of this utility model air cyclone;
Accompanying drawing 3 is the local enlarged diagram of this utility model air cyclone;
Accompanying drawing 4 is this utility model structure of nozzle cutaway view.
Referring to accompanying drawing: this utility model comprises air intake blower fan 1, convulsion blower fan 11, the overanxious mechanism of pocket type, mixing granulation chamber 8 and cylinder 5, and wherein positive pressure air is entered the tops of mixing granulation chamber by pipeline A through low efficient filter 2, medium effeciency filter 4 and air heater 3 backs by blower fan 1; The bottom of mixing granulation chamber is equipped with air cyclone 9, and this air cyclone tilts nozzle 10 is installed; The positive pressure air channel B is passed down through the middle bottom that positive pressure air is connected to the mixing granulation chamber of air cyclone by the top of mixing granulation chamber; Bag type filtering mechanism is installed around the upper channel B of mixing granulation chamber, and each filter mechanism is made up of the filter bag that conical support supports.The forward air inlet of filter bag and suction opeing are by the interlock valve opening and closing of cylinder 5,6 controls.The valve opening and closing malleation air inlet C of cylinder 5 control wherein, the valve opening and closing suction opeing D of cylinder 6 controls, the interlock of two valve opening and closings, when promptly the malleation air inlet was opened, suction opeing was closed, and the malleation air inlet was closed when suction opeing was opened.In the present embodiment, have seven bag type filtering mechanisms 7 be installed in mixing granulation chamber upper channel B around, have at least a bag type filtering mechanism to be in malleation air intake drifting dust state during work, other is in convulsion and filters state, each filter mechanism carries out malleation air intake drifting dust in turn, blows and falls the dust that is bonded on the filter bag; Positive pressure air is extracted out behind overanxious mechanism 7 of pocket type and the interlock valve mechanism by cylinder 5,6 controls by air exhauster 11.
In the present embodiment, the air cyclone is a hollow, has radial equipartition and the disk of the shutter board that tilts in the same way, and the nozzle 10 that tilts in the same way with shutter board is installed on the disk.
In the present embodiment, be evenly equipped with six groups of nozzles on the air cyclone, every group of nozzle is three, and each nozzle is three pore structures, and promptly the annular distance in binding agent center of orifices 12 outsides is respectively compressed air spray orifice 13 and protection gas spurt 14.
Operation principle of the present utility model is such: air is by after blower fan 1 process filtration and heating, enter the top of mixing granulation chamber by pipeline A, in the bottom that arrives the mixing granulation chamber again by pipeline B, after the driving by the air cyclone, the air that enters air mixing granulation chamber is the radiation stereo-motion in the shape of a spiral, thereby make material suspended in the machine in machine, do well-regulated three-dimensional motion, can in the short time various materials be disperseed fully and mix at plate.During work, cylinder 5 and 6 is linkage interlocked in pairs, and guarantees that at least one bag type filtering mechanism is in malleation air intake drifting dust state, and other filter mechanism is in the filtration state under the suction of air exhauster.Because each filter mechanism carries out malleation air intake drifting dust in turn, therefore, needn't shut down specially and purge the dust that is bonded on the filter bag.Nozzle of the present utility model is three pore structures; interstitial hole atomizing of liquids binding agent; the periphery holes 13 jet compression air in hole 12; owing to increased the protection gas spurt 14 of spraying the low speed filtered air at outermost layer; avoided near nozzle negative pressuren zone to produce, jet hole can not have been stopped up and to remain spray angle constant.
The utility model is owing to described structure, and the remarkable result of its generation is as follows;
1. only do not press blowing conic bag type filtering mechanism because employing is not shut down, needn't shut down specially and remove filter Dust on the bag, thereby high efficiency, fluidization quality is good.
2. owing to spray technique at the bottom of the employing positive-pressure spiral air intake pressure fluid boiling, make mixing granulation indoor The three dimensional stereo motion that material suspends in the space and is soft, thus can reach fast well-mixed purpose.
3. adopt three novel pore structure nozzles,, can reach granulation, coating and exsiccant purpose rapidly to material movement direction direct injection binding agent or coating materials.
4. adopt malleation dynamic filtration technology, can not shut down, do not destroy under the situation of fluid boiling effect, the material particle that continuously will float in the machine is sent back in the material flow, participates in again granulating, and finishes up to granulation.
This utility model can overcome the deficiency that prior art exists, and has multi-functional and adaptability widely, the operating process of all process steps all in hermetic container once charging finish.Can granulate fast with the material uniform mixing, drying, and can be to granule, microgranule, micropill, crystal, the tablet of capsule and different geometries and size etc. carries out book film coating.
Claims (3)
1. do not shut down malleation blowing taper filter bag type granulation dry coationg machine for one kind, comprise air intake blower fan (1), convulsion blower fan (11), the overanxious mechanism of the formula of attacking (7), mixing granulation chamber (8) and cylinder (5,6) it is characterized in that positive pressure air is entered the top of mixing granulation chamber by pipeline A through filter (2,4) and air heater (3) back by blower fan (1); The bottom of mixing granulation chamber is equipped with air cyclone (9), and this air cyclone tilts nozzle (10) is installed; The positive pressure air channel B is passed down through the middle bottom that positive pressure air is connected to the mixing granulation chamber of air cyclone by the top of mixing granulation chamber; Bag type filtering mechanism (7) is installed around the upper channel B of mixing granulation chamber, each filter mechanism is made up of the filter bag that conical support supports, the forward air inlet of filter bag and suction opeing are by cylinder (5,6) Kong Zhi interlock valve opening and closing, have at least a bag type filtering mechanism to be in malleation air intake drifting dust state during work, other is in convulsion and filters state, and each filter mechanism carries out malleation air intake drifting dust in turn; Positive pressure air is extracted out after the overanxious mechanism of the formula of attacking by air exhauster (11).
2. the malleation blowing taper filter bag type granulation dry coationg machine of not shutting down according to claim 1; it is characterized in that: air cyclone (9) is for hollow; the disk of the shutter board that has radial equipartition and tilt is in the same way installed the nozzle (10) that tilts in the same way with shutter board on the disk.
3. the malleation blowing taper filter bag type granulation dry coationg machine of not shutting down according to claim 1; it is characterized in that: nozzle (10) is three pore structures, and promptly the annular distance in binding agent center of orifices (12) outside is respectively compressed air spray orifice (13) and protection gas spurt (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN96224281U CN2274055Y (en) | 1996-12-24 | 1996-12-24 | Non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN96224281U CN2274055Y (en) | 1996-12-24 | 1996-12-24 | Non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2274055Y true CN2274055Y (en) | 1998-02-11 |
Family
ID=33903308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96224281U Expired - Fee Related CN2274055Y (en) | 1996-12-24 | 1996-12-24 | Non-stop possitive-pressure-blowing conic-filter-bag type granulating-drying-coating machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2274055Y (en) |
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1996
- 1996-12-24 CN CN96224281U patent/CN2274055Y/en not_active Expired - Fee Related
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |