CN207187142U - It is spray-dried combined mist device - Google Patents
It is spray-dried combined mist device Download PDFInfo
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- CN207187142U CN207187142U CN201721130685.7U CN201721130685U CN207187142U CN 207187142 U CN207187142 U CN 207187142U CN 201721130685 U CN201721130685 U CN 201721130685U CN 207187142 U CN207187142 U CN 207187142U
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Abstract
The utility model discloses one kind to be spray-dried combined mist device, the spray drying combined mist device includes spray drying tower, pressure nozzle and the air distributor for conveying hot-air into spray drying tower, pressure nozzle is connected to hopper by high-pressure pump, pressure nozzle is also associated with a feed bypass, an air ejector is provided with feed bypass, air ejector includes low energy feed liquid port, compressed air inlet and high-energy material liquid outlet, high-energy material liquid outlet is connected to pressure nozzle, compressed air inlet is connected with the high-speed air conveyance conduit for conveying high-speed air into air ejector.On the other hand spray drying combined mist device provided by the utility model makes spray drying tower keep uninterrupted production, and reduce the energy consumption of factory by obtaining, on the one hand high-pressure pump to rest time of maintenance to spray drying tower alternatingly feed.
Description
Technical field
Spray drying tower technical field is the utility model is related to, combined mist device is spray-dried more particularly to one kind.
Background technology
Sodium lignin sulfonate be it is a kind of it is powdered, widely use dispersant and wetting agent industrially, sulfomethylated lignin
Need to carry out to be spray-dried this technical process in the production of sour sodium, spray drying be liquid material is dried be fabricated to powder or
The method of particle, it is that one kind production very common in fields such as biological pesticide, medicine, food microorganisms is powdered or graininess is produced
The method of product, spray drying treatment is typically carried out to liquid material using spray drying tower, the flow of spray drying is generally：With
Liquid material is raw material, then the liquid material after filtering and concentrating is atomized into tiny by its filtering and concentrating to suitable density
Droplet, and carry out heat exchange with certain thermal current, makes the moisture in liquid material evaporate rapidly, by dry materials into powdered
Or granular product.
Spray dry process is specific to spray drying tower：Air enters spray drying top of tower by filtering and heating
Air distributor, hot-air is in the shape of a spiral evenly into the hothouse of spray drying tower, and the liquid material after concentration is through tower top
Atomizer spray can be dried within the extremely short time with hot-air current contacting into extremely trickle vaporific liquid pearl, vaporific liquid pearl
For powdered or graininess finished product, wherein, the atomization of liquid material is to be atomized into liquid material by spray gun using high-pressure pump
Fine mist.
At present, some following problem is primarily present in spray-drying process：
First, equipment is easily damaged, liquid material is carried out in atomization process using high-pressure pump, due to the structure of high-pressure pump
Compare accurate complexity, bent axle is easily damaged, and travelling gear easily wears, it is often necessary to is repaired, it is impossible to ensures continuous production；
Second, high energy consumption, high-pressure pump needs supporting 30KW heavy-duty motor, and power consumption is big, the production cost of factory
It is high.
Utility model content
The utility model solves existing skill mainly solving the technical problems that providing a kind of spray drying combined mist device
High-pressure pump in art in spray-drying installation, which is easily damaged, causes spray-drying installation to be unable to continuous production and spray drying dress
The problem of putting high energy consumption.
In order to solve the above technical problems, the technical scheme that the utility model uses is：
A kind of spray drying combined mist device is provided, including spray drying tower, the spray drying tower inner tip are set
There are the pressure nozzle for spraying fine drop and the air distributor for conveying hot-air into the spray drying tower, the pressure
Power shower nozzle is connected to hopper by high-pressure pump, should to cause the high-pressure pump that the feed liquid in the hopper is pumped into the pressure nozzle
Pressure nozzle is also associated with a feed bypass, is provided with an air ejector on the feed bypass, the air ejector bag
Low energy feed liquid port, compressed air inlet and high-energy material liquid outlet are included, the low energy feed liquid port is connected by centrifugal pump
To the hopper, the high-energy material liquid outlet is connected to the pressure nozzle, and the compressed air inlet is connected with for being sprayed to the air
The high-speed air conveyance conduit of high-speed air is conveyed in emitter, to cause the feed liquid in the low energy feed liquid port to be inhaled into the sky
The pressure nozzle is entered in gas blowout emitter and to flow out the high-energy material liquid outlet at a high speed；Between the centrifugal pump and the hopper
Centrifugal pump feed liquid stop valve is provided with connecting line, and height is provided with the connecting line between the high-pressure pump and the hopper
Press pump feed liquid stop valve.
Preferably, the high-speed air conveyance conduit is communicated to the common compression air-source of factory.
Preferably, the high-speed air conveyance conduit is connected with air compressor.
Preferably, the high-speed air conveyance conduit be transported to the gas pressure of the compressed air inlet for 0.6MPa~
0.8MPa。
Preferably, it is provided with the pipeline between the pressure nozzle and the high-energy material liquid outlet for adjusting the high-energy
The ball valve of the feed liquid output quantity of material liquid outlet.
Preferably, the lift of the centrifugal pump is 12~20 meters.
The beneficial effects of the utility model are：
（1）By high-pressure pump and air ejector to spray drying tower alternatingly feed, on the one hand high-pressure pump is set to be rested
The time of maintenance, spray drying tower is kept uninterrupted production, and reduce the energy consumption of factory.
（2）Using above-mentioned spray drying combined mist device to spray drying tower alternatingly feed, spray drying tower can be made
Uninterrupted production is kept, is easy to the maintenance of equipment, reduces the energy consumption of factory.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing spray drying system；
Fig. 2 is the composition figure of the embodiment of the utility model spray drying combined mist device one；
Fig. 3 is the sectional view of air ejector in Fig. 2；
Fig. 4 is the block diagram using the implementation of the utility model spray drying combined mist device one；
Fig. 5 is the flow chart using the utility model spray drying another implementation of combined mist device；
Fig. 6 is the flow chart using the utility model spray drying another implementation of combined mist device.
Embodiment
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can be with many different
Form is realized, however it is not limited to embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model more thorough and comprehensive.
It should be noted that unless otherwise defined, all technologies and scientific terminology are with belonging to used in this specification
The implication that those skilled in the art of the present utility model are generally understood that is identical.Of the present utility model used in the description
Term be intended merely to describe specific embodiment purpose, be not intended to limit the utility model.
Below in conjunction with the accompanying drawings, each embodiment of the present utility model is described in detail.
Fig. 1 is the schematic diagram of existing spray drying system, as shown in figure 1, spray drying system includes drying tower 11, installation
Pressure nozzle 12 at the top of drying tower 11, feed liquid in hopper 18 are pumped into pressure nozzle 12 by high-pressure pump 13, feed liquid from
Pressure nozzle 12 forms fine mist after coming out；Air is by air coarse filter 14, air heater 15 and air essence filtering
Pure hot-air is formed after device 16 to enter in drying tower 11, air is to be pumped into by air pump 19 in air heater 15,
The fine mist that pressure nozzle 12 ejects mixes with the hot-air in drying tower 11, dries fine mist to form powder rapidly
Body, and precipitation obtains product in cyclone dust collectors 17.
Also referring to Fig. 2 and Fig. 3, Fig. 2 is the composition of the embodiment of the utility model spray drying combined mist device one
Figure, Fig. 3 is the sectional view of air ejector in Fig. 2.The utility model spray drying combined mist device includes spray drying tower
21, the inner tip of spray drying tower 21 is provided with pressure nozzle 22 for spraying fine drop and for spray drying tower 21
The air distributor 24 of interior conveying hot-air, sodium lignin sulfonate feed liquid are transported to pressure nozzle 22, are atomized by pressure nozzle 22
Into fine drop, air distributor 24 is connected with air pump and air heater, and air distributor 24 is defeated into spray drying tower 21
Enter spiral hot-air, the fine drop that pressure nozzle 22 sprays mixes with the hot-air in air distributor 24 out, tiny liquid
Drop is dried rapidly in the microwave dryer to form sodium lignin sulfonate powder.
Pressure nozzle 22 is connected to hopper 28 by high-pressure pump 23, to cause high-pressure pump 23 to pump the feed liquid in hopper 28
To pressure nozzle 22, high-pressure pump 23 needs to match 30KW motor, and high-pressure pump 23 can be by the material with 2-20MPa high pressures
Liquid is transported to pressure nozzle 22, and high-pressure pump 23 is transported to feed liquid in pressure nozzle 22 by uniform atomizing into minimum drop, institute
It is visibly homogeneous with caused sodium lignin sulfonate powder granularity.
Further, pressure nozzle 22 is also associated with a feed bypass, is fed on bypass and is provided with an air injection
Device 25, air ejector 25 includes low energy feed liquid port 251, compressed air inlet 252 and high-energy material liquid outlet 253, low
Energy feed liquid port 251 is connected to hopper 28 by centrifugal pump 26, and high-energy material liquid outlet 253 is connected to pressure nozzle 22, pressure
Contracting air intake 252 is connected with the high-speed air conveyance conduit 254 for conveying high-speed air into air ejector 25, so that
The feed liquid obtained in low energy feed liquid port 251 is inhaled into air ejector 25 and to flow out high-energy material liquid outlet 253 at a high speed
Enter in pressure nozzle 22.Air ejector 25 utilizes Venturi effect, and Venturi effect refers in swiftly flowing fluid
Low pressure can be nearby produced, so as to produce suction-operated, it is at a high speed that compressed air inlet 252, which is input in air ejector 25,
The fluid of flowing, the swiftly flowing fluid are sprayed from the nozzle 255 of air ejector 25, and one is formed about in nozzle 255
Vacuum chamber 256, so that the sodium lignin sulfonate feed liquid in low energy feed liquid port 251 is inhaled into mixing chamber 257, mixed
Close the high-speed air of high-energy and the sodium lignin sulfonate feed liquid of low energy in room 257 to be sufficiently mixed, so that the wood of low energy
Quality sodium sulfonate feed liquid is entered in high-energy material liquid outlet 253 with high-voltage high-speed, the lignin in high-energy material liquid outlet 253
Sodium sulfonate feed liquid enters back into pressure nozzle 22 and is atomized into fine drop.
Centrifugal pump feed liquid stop valve 281 is provided with connecting line between centrifugal pump 26 and hopper 28, and in high-pressure pump
High-pressure pump feed liquid stop valve 282 is provided with connecting line between 23 and hopper 28, when use high-pressure pump 23 is to spray drying
When tower 21 is fed, the centrifugal pump feed liquid stop valve 281 on connecting line, air ejector between centrifugal pump 26 and hopper 28 are closed
25 do not work, and when being fed using air ejector 25 to spray drying tower 21, close between high-pressure pump 23 and hopper 28 and connect
High-pressure pump feed liquid stop valve 282 on pipeline, high-pressure pump 23 does not work.So cause high-pressure pump 23 have one rest maintenance when
Between, and spray drying tower 21 is not stopped, and ensures factory's continuous production operation.
Further, high-speed air conveyance conduit 254 is connected to the common air compressibility of factory, the public sky of factory
The compressed air of air pressure compression system output disclosure satisfy that the work requirements of air ejector 25, use factory in 0.7MPa or so
Common air compressibility can also reduce energy consumption, save production cost.Certainly, in other embodiments, high-speed air is defeated
Send pipeline 254 to connect air compressor, high pressure gas is provided to high-speed air conveyance conduit 254 by air compressor
Body, in the case that this setup does not have common air compressibility suitable for factory.High-speed air conveyance conduit 254 conveys
Gas pressure to compressed air inlet 252 can meet the work need of air ejector 25 between 0.6MPa~0.8MPa
Ask.
Further, it is provided with the pipeline between pressure nozzle 22 and high-energy material liquid outlet 253 for adjusting high energy
Measure the ball valve 27 of the feed liquid output quantity of material liquid outlet 253.The feed liquid of the output of high-energy material liquid outlet 253 is adjusted using ball valve 27
Flow, if the pressure of the air inputted in compressed air inlet 252 is smaller, the feed liquid of the output of high-energy material liquid outlet 253
Speed is smaller, it is necessary to which the flow-reduction for the feed liquid for exporting high-energy material liquid outlet 253, otherwise high-energy material liquid outlet 253 is defeated
The speed entered to the feed liquid in pressure nozzle 22 is too small, and flow is too big, and the drop that build-up of pressure shower nozzle 22 is atomized is not tiny enough
Uniformly, cause uneven by dried sodium lignin sulfonate powder granularity.
Further, the lift of centrifugal pump 26 is 12~20 meters, and preferably 15 meters, centrifugal pump 26 is primarily served hopper 28
In feed liquid be transported to the effect of low energy feed liquid port 251, do not play a part of giving feed liquid speed-raising, such centrifugal pump 26 is matched somebody with somebody
It is smaller to cover the power of motor, can meet to require using 1.5KW motors, so using air ejector 25 to spray drying tower 21
Plant energy consumption can be substantially reduced during feed.
Fig. 4 is the block diagram using the implementation of the utility model spray drying combined mist device one.As shown in figure 4,
Two-way feed liquid transfer pipeline is provided between spray drying tower and hopper to be used to convey fine drop feed liquid arrival spray drying tower
Mixed with the hot-air for being transported to the spray drying tower, the two-way feed liquid transfer pipeline is included using high-pressure pump pumping feed liquid
Major ingredient liquid supply lines and using air ejector conveying feed liquid auxiliary feed liquid supply lines, pass through major ingredient liquid supply lines
Or auxiliary feed liquid supply lines conveying fine drop feed liquid uninterrupted to spray drying tower.One side major ingredient liquid supply lines can be with
There is the time for resting maintenance, and ensure continuously running for equipment, on the other hand, use air ejector material conveying liquid energy to consume
It is relatively low, the energy consumption of factory can be substantially reduced.
Fig. 5 is the flow chart using the utility model spray drying another implementation of combined mist device.Such as Fig. 5 institutes
Show, it is specific using major ingredient liquid supply lines or auxiliary feed liquid supply lines conveying fine drop feed liquid uninterrupted to spray drying tower
Including：
Step S510, major ingredient liquid supply lines are opened, close auxiliary feed liquid supply lines, the production of adjustable spraying drying tower
Load is full load condition, and fine drop feed liquid is conveyed into spray drying tower from major ingredient liquid supply lines.Supplied by major ingredient liquid
Expects pipe road is fed to spray drying tower, and the sodium lignin sulfonate powder granularity of production is uniform, good product quality, and production efficiency
It is high.
Step S520, after major ingredient liquid supply lines run a working time section, auxiliary feed liquid supply lines are opened, and adjust
The produce load for saving spray drying tower is at full capacity 50%~70%, is conveyed from auxiliary feed liquid supply lines into spray drying tower
Fine drop feed liquid.Spray drying tower is fed using auxiliary feed liquid supply lines, disclosure satisfy that production requirement, and per hour can
Electric energy 20KWh is saved, although the inhomogeneities increase by 15% or so of obtained sodium lignin sulfonate powder granularity, but still can
Meet the Eligibility requirements of product quality, and the time overhauled is provided to the high-pressure pump of major ingredient liquid supply lines.
Step S530, major ingredient liquid supply lines are closed to be overhauled to it, during the maintenance of major ingredient liquid supply lines,
Use auxiliary feed liquid supply lines to be fed for spray drying tower, ensure that working continuously for spray drying tower.
Successively according to step S510 to step S530 circulate operations.
Fig. 6 is the flow chart using the utility model spray drying another implementation of combined mist device.Such as Fig. 6 institutes
Show, using major ingredient liquid supply lines or auxiliary feed liquid supply lines conveying fine drop feed liquid bag uninterrupted to spray drying tower
Include：
Step S610, major ingredient liquid supply lines are opened, auxiliary feed liquid supply lines are closed, from major ingredient liquid supply lines to spray
Fine drop feed liquid is conveyed in mist drying tower；
Step S620, after major ingredient liquid supply lines run a high load capacity working time section, the life of adjustable spraying drying tower
Load is produced as 50%~70% at full capacity, auxiliary feed liquid supply lines is opened and fine drop feed liquid is conveyed into spray drying tower,
And close major ingredient liquid supply lines；
Step S630, after aiding in feed liquid supply lines to run a underload working time section, major ingredient liquid feeder sleeve is opened
Road, the produce load of adjustable spraying drying tower is 80%~100% at full capacity, and closes auxiliary feed liquid supply lines；
Successively according to step S610 to step S630 circulate operations.
By major ingredient liquid supply lines and auxiliary feed liquid supply lines alternatingly feed, energy consumption, one side two are on the one hand reduced
Road supply lines can obtain the time rested, and equipment is kept uninterrupted production.
Based on above-described embodiment, spray drying combined mist device provided by the utility model includes spray drying tower, sprays
Mist drying tower inner tip is provided with pressure nozzle for spraying fine drop and empty for conveying heat into spray drying tower
The air distributor of gas, pressure nozzle are connected to hopper by high-pressure pump, to cause high-pressure pump to be pumped into the feed liquid in hopper
Pressure nozzle, pressure nozzle are also associated with a feed bypass, are fed on bypass and are provided with an air ejector, air injection
Device includes low energy feed liquid port, compressed air inlet and high-energy material liquid outlet, and low energy feed liquid port is connected by centrifugal pump
Hopper is connected to, high-energy material liquid outlet is connected to pressure nozzle, and compressed air inlet is connected with for defeated into air ejector
The high-speed air conveyance conduit of high-speed air is sent, to cause the feed liquid in low energy feed liquid port to be inhaled into air ejector simultaneously
Pressure nozzle is entered to flow out high-energy material liquid outlet at a high speed；It is provided with connecting line between centrifugal pump and the hopper
Centrifugal pump feed liquid stop valve, and high-pressure pump feed liquid stop valve is provided with the connecting line between high-pressure pump and the hopper.
By high-pressure pump and air ejector to spray drying tower alternatingly feed, on the one hand obtain high-pressure pump and rest time of maintenance,
On the other hand spray drying tower is kept uninterrupted production, and reduce the energy consumption of factory.
It should be only above embodiment of the present utility model, and not thereby limit the scope of the claims of the present utility model, every profit
The equivalent structure transformation made with the utility model specification and accompanying drawing content, or directly or indirectly it is used in other related skills
Art field, it is included in scope of patent protection of the present utility model.
Claims (6)
1. one kind spray drying combined mist device, including spray drying tower, the spray drying tower inner tip are provided with use
In injection fine drop pressure nozzle and for into the spray drying tower convey hot-air air distributor, the pressure
Power shower nozzle is connected to hopper by high-pressure pump, to cause the feed liquid in the hopper is pumped into the pressure by the high-pressure pump to spray
Head, it is characterised in that the pressure nozzle is also associated with a feed bypass, and an air spray is provided with the feed bypass
Emitter, the air ejector include low energy feed liquid port, compressed air inlet and high-energy material liquid outlet, the low energy
Feed liquid port is communicated to the hopper by centrifugal pump, and the high-energy material liquid outlet is connected to the pressure nozzle, the pressure
Contracting air intake is connected with the high-speed air conveyance conduit for conveying high-speed air into the air ejector, to cause
The feed liquid in low energy feed liquid port is stated to be inhaled into the air ejector and to flow out the high-energy material liquid outlet at a high speed
Enter the pressure nozzle；
Centrifugal pump feed liquid stop valve is provided with connecting line between the centrifugal pump and the hopper, and in the high-pressure pump
High-pressure pump feed liquid stop valve is provided with connecting line between the hopper.
2. spray drying combined mist device according to claim 1, it is characterised in that the high-speed air conveyance conduit
It is connected to the common compression air-source of factory.
3. spray drying combined mist device according to claim 1, it is characterised in that the high-speed air conveyance conduit
It is connected with air compressor.
4. the spray drying combined mist device according to Claims 2 or 3, it is characterised in that the high-speed air conveying
The gas pressure control of pipeline to the compressed air inlet is 0.6MPa~0.8MPa.
5. spray drying combined mist device according to claim 1, it is characterised in that the pressure nozzle and the height
The ball valve of the feed liquid output quantity for adjusting the high-energy material liquid outlet is provided with pipeline between energy material liquid outlet.
6. spray drying combined mist device according to claim 1, it is characterised in that the lift of the centrifugal pump is 12
~20 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130685.7U CN207187142U (en) | 2017-09-05 | 2017-09-05 | It is spray-dried combined mist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130685.7U CN207187142U (en) | 2017-09-05 | 2017-09-05 | It is spray-dried combined mist device |
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| Publication Number | Publication Date |
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| CN207187142U true CN207187142U (en) | 2018-04-06 |
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ID=61790991
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721130685.7U Active CN207187142U (en) | 2017-09-05 | 2017-09-05 | It is spray-dried combined mist device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335244A (en) * | 2017-09-05 | 2017-11-10 | 临颍路得生物科技有限公司 | It is spray-dried combined mist device and combined mist method |
| CN108410579A (en) * | 2018-04-16 | 2018-08-17 | 刘召柱 | A kind of plants essential oil extracting method |
| CN108467785A (en) * | 2018-04-16 | 2018-08-31 | 刘召柱 | A kind of plants essential oil extraction system |
| CN113577806A (en) * | 2021-08-11 | 2021-11-02 | 中北大学 | Spray drying bed for preparing energetic material and method for preparing energetic material by using spray drying bed |
-
2017
- 2017-09-05 CN CN201721130685.7U patent/CN207187142U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107335244A (en) * | 2017-09-05 | 2017-11-10 | 临颍路得生物科技有限公司 | It is spray-dried combined mist device and combined mist method |
| CN108410579A (en) * | 2018-04-16 | 2018-08-17 | 刘召柱 | A kind of plants essential oil extracting method |
| CN108467785A (en) * | 2018-04-16 | 2018-08-31 | 刘召柱 | A kind of plants essential oil extraction system |
| CN113577806A (en) * | 2021-08-11 | 2021-11-02 | 中北大学 | Spray drying bed for preparing energetic material and method for preparing energetic material by using spray drying bed |
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