CN209689277U - Vacuum feed system - Google Patents

Vacuum feed system Download PDF

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Publication number
CN209689277U
CN209689277U CN201822248493.7U CN201822248493U CN209689277U CN 209689277 U CN209689277 U CN 209689277U CN 201822248493 U CN201822248493 U CN 201822248493U CN 209689277 U CN209689277 U CN 209689277U
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China
Prior art keywords
air
storage tank
fluidized bed
vacuum
bed drying
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CN201822248493.7U
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Chinese (zh)
Inventor
雷庆玲
鲁永胜
张士威
张喜庆
谷青山
孙全新
宋玉松
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Hanlin Aerospace (tianjin) Industrial Co Ltd
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Hanlin Aerospace (tianjin) Industrial Co Ltd
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Abstract

The utility model relates to drying device fields, provide a kind of vacuum feed system, including fluidized bed drying subsystem and storage tank feeding subsystem, the fluidized bed drying subsystem includes fluidized bed drying device, exhaust pipeline and air extractor, the exhaust pipeline is connected on the fluidized bed drying device, the exhaust pipeline connects the air extractor, the storage tank feeding subsystem includes feed pipe, powder storage tank, vacuum suction pipeline, the feed pipe is connected to the fluidized bed drying device and the powder storage tank, the vacuum suction pipeline is connected on the powder storage tank, the vacuum suction pipeline connects the air extractor.The utility model provide it is a kind of it is at low cost, structure is simple, low energy consumption, meets the vacuum feed system of emission request.

Description

Vacuum feed system
Technical field
The utility model relates to drying device fields, more particularly to a kind of vacuum feed system.
Background technique
Drying process is a base unit in Chemical Manufacture, and fluidized drying is a kind of common drying means, fluidisation Drying refers to a kind of drying means being dried with fluidization technology, is suitable for dry fine granular materials, and drying process is Bulk material is placed on orifice plate, and gas is conveyed by its underpart, material particles is caused to move on gas distribution grid, in gas It is in suspended state in stream, generates the mixing bottom of material particles and gas, material particles mix abundant with gas in bottom herein Contact, the heat transmitting carried out between material and gas are transmitted with moisture, complete drying process.
Fluidized drying process mostly uses fluidized bed to realize, the dried material obtained after fluidized bed drying needs to send out outflow Bed, existing dried material feeding style be mostly centrifugal pump provide negative pressure, centrifugal pump by dried material extract out so as to store or into The processing of one step.
But have the disadvantages that 1 using the mode of centrifugal pump extraction material, increase cost, need to increase a centrifugation Pump, corresponding control system will increase;2, centrifugal pump does not meet environmental requirement without secondary dedusting system, discharge.
Utility model content
(1) technical problems to be solved
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies: existing to send The gas direct emission that material mode is at high cost, pumps out does not meet emission request.
The purpose of this utility model is: provide it is a kind of it is at low cost, structure is simple, low energy consumption, meets the vacuum of emission request Feed system.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of vacuum feed system, including fluidized bed drying System and storage tank feeding subsystem, the fluidized bed drying subsystem include fluidized bed drying device, exhaust pipeline and pumping dress It sets, the exhaust pipeline is connected on the fluidized bed drying device, the exhaust pipeline connects the air extractor, the storage tank Feeding subsystem includes feed pipe, powder storage tank, vacuum suction pipeline, the feed pipe be connected to the fluidized bed drying device with The powder storage tank, the vacuum suction pipeline is connected on the powder storage tank, and the vacuum suction pipeline connects the pumping Device.
Preferably, air draft regulating valve is connected in the exhaust pipeline, the air draft regulating valve is connected to close to described The aperture of the position of fluidized bed drying device, the air draft regulating valve is adjustable.
In above-mentioned any scheme preferably, the vacuum suction pipeline is connected in the exhaust pipeline.
In above-mentioned any scheme preferably, dedusting dress is connected between the exhaust pipeline and the air extractor It sets.
In above-mentioned any scheme preferably, the exhaust pipeline is connected to the air inlet below the dust-extraction unit.
In above-mentioned any scheme preferably, air draft branch is connected in the exhaust pipeline, the air draft branch is straight The air extractor is connect in succession, and the air draft branch is connected to the air outlet of the dust-extraction unit.
In above-mentioned any scheme preferably, the bottom of the powder storage tank is connected with pelletizing machine.
In above-mentioned any scheme preferably, the powder storage tank and the pelletizing machine are fixedly connected on fixed bracket On.
In above-mentioned any scheme preferably, the feed pipe is set as silica gel material.
In above-mentioned any scheme preferably, air inlet processing unit is connected on the fluidized bed drying device, it is described Entering the wind processing unit includes primary filter, medium effeciency filter, high efficiency particulate air filter, the cold dehumidifier of table, heater.
(3) beneficial effect
Compared with prior art, the utility model has the advantage that
Using the air extractor, dust-extraction unit and auxiliary line of fluidized bed drying process, and utilize vacuum suction pipeline Powder storage tank is connected to, realizes vacuum feeding process, feeding while, realizes dedusting, device structure is simple, save air extractor, The energy saving energy meets gas emission request, reduces dust pollution.
Vacuum feed system provided by the utility model is described further in conjunction with the following drawings.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model vacuum feed system;
Fig. 2 is the overlooking structure diagram of the utility model vacuum feed system;
In figure, 1, air inlet processing unit;2, exhaust pipeline;3, air draft regulating valve;4, fluidized bed drying device;5, fluidized bed Discharge port;6, feed pipe;7, powder storage tank;8, pelletizing machine;9, vacuum suction pipeline;10, dust-extraction unit;11, air extractor; 12, fixed bracket.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to figs. 1 and 2, the utility model provides a kind of preferred embodiment of vacuum feed system, including fluidisation The dry subsystem of bed and storage tank feeding subsystem, fluidized bed drying subsystem include fluidized bed drying device 4,2 and of exhaust pipeline Air extractor 11, exhaust pipeline 2 is connected on fluidized bed drying device 4, and exhaust pipeline 2 connects air extractor 11, storage tank feeding System includes feed pipe 6, powder storage tank 7, vacuum suction pipeline 9, and feed pipe 6 is connected to fluidized bed drying device 4 and powder storage tank 7, vacuum suction pipeline 9 is connected on powder storage tank 7, vacuum suction pipeline 9 connects air extractor 11.
Fluidized bed drying subsystem is used to drying and forms powder material, and storage tank feeding subsystem is used to the powder that will be dried to obtain Body material is transported to powder storage tank 7, to be further processed.Wherein, storage tank feeding subsystem and fluidized bed drying subsystem be altogether With an air extractor 11, by regulation air extractor 11 and exhaust pipeline 2, the on-off of 9 two pipelines of vacuum suction pipeline come The operating status of two subsystems is controlled, the operation of two subsystems can be only regulated and controled by an air extractor 11, saving is set Standby cost simplifies system pipeline, reduces energy consumption.
The operation of fluidized bed drying subsystem is dried the material in fluidized bed drying device 4 to obtain powder material, In In drying process, the gas in fluidized bed drying device 4 is aspirated in the operation of air extractor 11, to guarantee in fluidized bed drying device 4 Goods fluid it is dry.After the completion of the dry materials in fluidized bed drying device 4, the material in fluidized bed drying device 4 is needed It to be flowed out and be sent into powder storage tank 7 by discharging port of fluidized bed 5, is i.e. operation storage tank feeding subsystem.Storage tank feeding subsystem When operation, the feed pipe 6 between fluidized bed drying device 4 and powder storage tank 7 is disconnected, and air extractor 11 passes through vacuum suction pipeline 9 aspirate powder storage tank 7 at vacuum state, then the feed pipe 6 being connected between fluidized bed drying device 4 and powder storage tank 7, realize It is sucked by vacuum powder material.Fluidized bed drying subsystem maintains continuous service, and when dry materials completion needs feeding, storage tank is sent Blanking subsystem operation.
Specifically, air extractor 11 can select centrifugal blower, the model of air extractor 11 is preferably DGY blower, is whole A course of work provides negative pressure power, and centrifugal blower power is big, and frequency conversion is adjustable, and feeding speed is adjusted.
The present embodiment, vacuum feeding can realize material automatic charging, reduce manual labor, increase working efficiency, are suitable for The air extractor 11 of dry, good fluidity material, fluidized bed drying subsystem provides negative pressure, reduces cost, it is energy saving and The energy makes full use of, and is suitable for a variety of round magazine vacuum feedings.Also, it is all provided with relative to existing each subsystem There is the mode that centrifugal blower is evacuated, reduces by a centrifugal blower, meanwhile, simplified control system reduces opening for centrifugal blower Stop, guarantees the service life of centrifugal blower.
Further, air draft regulating valve 3 is connected in exhaust pipeline 2, air draft regulating valve 3 is connected to close to fluidized bed drying The air vent position that the position of device 4, i.e. air draft regulating valve 3 are mounted on fluidized bed drying device 4, air draft regulating valve 3 are opened Degree is adjustable, and air draft regulating valve 3 is used to adjust the aperture of exhaust pipeline 2, fills to adjust air extractor 11 to fluidized bed drying Set 4 suction power, regulation air force.
Air draft regulating valve 3 is set as air draft butterfly valve, and air draft butterfly valve is closed butterfly valve, and band proportion adjustment pneumatic actuator passes through The aperture of air draft regulating valve 3 is controlled, can control fluidized bed drying subsystem work or storage tank feeding subsystem work, and controllable Air force processed.
Further, vacuum suction pipeline 9 is connected in exhaust pipeline 2, is simplified equipment installation, is saved cost.
Further, dust-extraction unit 10 is connected between exhaust pipeline 2 and air extractor 11, dust-extraction unit 10 will be evacuated The material filtering that carries is collected in the air in exhaust pipeline 2 that device 11 is extracted out, is avoided being discharged into atmosphere and is polluted, and ring is reached Guaranteed request.Air in exhaust pipeline 2 enters dust-extraction unit 10 from the bottom of dust-extraction unit 10, filters by dust-extraction unit 10 Afterwards, it is discharged from the top of dust-extraction unit 10, the top exit piping connection of air extractor 11 and dust-extraction unit 10.
Dust-extraction unit 10 is filtered the gas for carrying dust extracted out in exhaust pipeline 2, vacuum suction pipeline 9, The cleaning for guaranteeing the gas of discharge, reaches emission request.
Air draft branch is connected in exhaust pipeline 2, air draft branch is directly connected to air extractor 11, and air draft branch and dedusting fill Set 10 air outlet connection.When fluidized bed drying device 4 carries out clean gas discharge, gas directly passes through air draft branch and arranges Out, process and energy are saved.Also, air draft branch is connected to the air outlet of dust-extraction unit 10, simplifies pipeline structure.
The bottom of powder storage tank 7 is connected with pelletizing machine 8, and the powder material in powder storage tank 7 is processed into particle by pelletizing machine 8 Material is particularly suitable for pharmaceutical industry materiel machining suitable for the further molding of powder material.Pelletizing machine 8 selects NTKZ true Material pelletizing machine 8 is vacated, material after the drying in material storage tank is subjected to whole grain, material is made to reach requirement.
Powder storage tank 7 and pelletizing machine 8 are fixedly connected on fixed bracket 12, and fixed bracket 12 fixes on the ground, fixed Bracket 12 plays the role of supporting fixed powder storage tank 7 and pelletizing machine 8, guarantees the installation of pelletizing machine 8.
Powder storage tank 7 selects 8 storage tank of NTKZ pelletizing machine, and for storing material, powder storage tank 7 is pumped into negative by air extractor 11 Pressure, material enter powder storage tank 7 with feed pipe 6, provide caching for whole grain.
Feed pipe 6 is set as silica gel material.Specifically, feed pipe is food grade silicone material, feed pipe junction portion is 304/316 material stainless steel tube is the channel that material enters fluidized bed drying device 4.
Air inlet processing unit 1 is connected on fluidized bed drying device 4, air inlet processing unit 1 includes primary filter, middle effect The cold dehumidifier of filter, high efficiency particulate air filter, table, heater, cold-hot wind channel.Wherein, cold-hot wind channel be used to mix cold wind and Hot wind makes to reach setting value into the intracorporal air themperature of 4 chamber of fluidized bed drying device, and deviation is within ± 1 DEG C.Air inlet Processing unit 1 select TAHM-CII enter the wind air conditioner unit, air by air inlet processing unit 1 realize filtration, purification, dehumidifying, Heating becomes the hot-air of clean dried, and clean hot air part supplies the fluidized drying of material, and part supplies vulcanizing for feeding Wind.
The air inlet of fluidized bed drying device 4 is used further to fluidized drying process after the air inlet processing of processing unit 1, makes to flow Change drying process more clean, is smooth, guarantees drying effect.
Specifically, the operational process of the vacuum drying system of the present embodiment,
1, fluidized bed drying device 4 is switched on, and the air draft butterfly valve opening of fluidized bed drying device 4 is turned down, and air extractor 11 is beaten It opens, air extractor 11 is started to work;
2, air extractor 11 will be pumped into negative pressure in powder storage tank 7, due to negative pressure, stream of the material from fluidized bed drying device 4 Change bed discharge port 5 and enter powder storage tank 7 along feed pipe, realizes feeding;
3, there is a small amount of material dust in the air being sucked out, be collected by filtration by the realization of dust-extraction unit 10;
4, after the completion of feeding, the connected state between air extractor 11 and vacuum suction pipeline 9, entire feeding process are disconnected It completes.
The vacuum feed device of the present embodiment can be used to implement the process of following vacuum feeding methods.
Referring to figs. 1 and 2, the utility model also provides a kind of preferred embodiment of vacuum feeding method, including dry Dry process and feeding process,
Drying process is connected with exhaust pipeline 2 and feed pipe 6,2 row of being connected with of exhaust pipeline on fluidized bed drying device 4 Wind regulating valve 3 and air extractor 11, air extractor 11 aspirate the gas in fluidized bed drying device 4, and air draft regulating valve 3 adjusts row The aperture of air pipe line 2 adjusts air extractor 11 to the suction power of fluidized bed drying device 4;
When feeding process, the material in fluidized bed drying device 4 complete drying process and reach discharge condition, powder storage tank 7 The vacuum suction pipeline 9 of upper connection is connected to air extractor 11, and the aperture for adjusting air draft regulating valve 3 makes the suction of exhaust pipeline 2 Power reduces, and air extractor 11 aspirates the gas in powder storage tank 7 by vacuum suction pipeline 9, makes to be formed in powder storage tank 7 true Dummy status, then fluidized bed drying device 4 and powder storage tank 7 are connected to by feed pipe 6.
Dry and feeding is completed in drying process and feeding process cooperation, realizes vacuum feeding, and share air extractor 11, Simplify equipment cost.
Further, vacuum suction pipeline 9 is connected in exhaust pipeline 2, is connected between exhaust pipeline 2 and air extractor 11 There is dust-extraction unit 10, dust-extraction unit 10 carries out process to the dust in exhaust pipeline 2 and vacuum suction pipeline 9, to guarantee to extract out Gas reach air emission request, and exhaust pipeline 2 and vacuum suction pipeline 9 share dust-extraction unit 10, simplify equipment knot Structure saves the cost of dust-extraction unit 10.
Vacuum feed device and vacuum feeding method in above-described embodiment are used equally for the drying feeding of powder material Journey is particularly suitable for the powder material feeding process of pharmaceutical industry, solve in the prior art using centrifugal pump feeding it is at high cost, Control system is responsible for, it is inconvenient existing equipment is transformed, without dedusting function, be not able to satisfy gas emission request etc. and ask Topic has reached energy-saving consumption-reducing, safety and environmental protection, regulation simplicity etc. and has required.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and cannot understand For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, it is above-mentioned that concrete condition understanding can be regarded The concrete meaning of term in the present invention.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multiple groups " are meant that two It is a or more than two.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of vacuum feed system, which is characterized in that including fluidized bed drying subsystem and storage tank feeding subsystem, the stream Changing the dry subsystem of bed includes fluidized bed drying device, exhaust pipeline and air extractor, is connected on the fluidized bed drying device The exhaust pipeline, the exhaust pipeline connect the air extractor, and the storage tank feeding subsystem includes feed pipe, powder storage Tank, vacuum suction pipeline, the feed pipe are connected to the fluidized bed drying device and the powder storage tank, on the powder storage tank The vacuum suction pipeline is connected, the vacuum suction pipeline connects the air extractor.
2. vacuum feed system according to claim 1, which is characterized in that be connected with air draft adjusting in the exhaust pipeline Valve, the air draft regulating valve are connected to close to the position of the fluidized bed drying device, and the aperture of the air draft regulating valve is adjustable Section.
3. vacuum feed system according to claim 1, which is characterized in that the vacuum suction pipeline is connected to the row On air pipe line.
4. vacuum feed system according to claim 1 to 3, which is characterized in that the exhaust pipeline with it is described Dust-extraction unit is connected between air extractor.
5. vacuum feed system according to claim 4, which is characterized in that the exhaust pipeline is connected to the dedusting dress Set the air inlet of lower section.
6. vacuum feed system according to claim 5, which is characterized in that be connected with air draft branch in the exhaust pipeline Road, the air draft branch connect the air extractor, and the air draft branch is connected to the air outlet of the dust-extraction unit.
7. vacuum feed system according to claim 1, which is characterized in that the bottom of the powder storage tank is connected with whole grain Machine.
8. vacuum feed system according to claim 7, which is characterized in that the powder storage tank and the pelletizing machine are fixed It is connected on fixed bracket.
9. vacuum feed system according to claim 1, which is characterized in that the feed pipe is set as silica gel material.
10. vacuum feed system according to claim 1, which is characterized in that be connected on the fluidized bed drying device Enter the wind processing unit, the air inlet processing unit include primary filter, medium effeciency filter, high efficiency particulate air filter, the cold dehumidifier of table, Heater.
CN201822248493.7U 2018-12-29 2018-12-29 Vacuum feed system Active CN209689277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822248493.7U CN209689277U (en) 2018-12-29 2018-12-29 Vacuum feed system

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Application Number Priority Date Filing Date Title
CN201822248493.7U CN209689277U (en) 2018-12-29 2018-12-29 Vacuum feed system

Publications (1)

Publication Number Publication Date
CN209689277U true CN209689277U (en) 2019-11-26

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
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