CN110342261A - A kind of air-transport system - Google Patents
A kind of air-transport system Download PDFInfo
- Publication number
- CN110342261A CN110342261A CN201910612174.6A CN201910612174A CN110342261A CN 110342261 A CN110342261 A CN 110342261A CN 201910612174 A CN201910612174 A CN 201910612174A CN 110342261 A CN110342261 A CN 110342261A
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- China
- Prior art keywords
- pump housing
- assembly
- pump
- material gas
- vacuum
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/52—Adaptations of pipes or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
Abstract
A kind of air-transport system, including collection assembly, control assembly, gas supply assembly, component of unpacking, vacuum generate component, conveying pump assembly；Conveying pump assembly includes the pump housing that several are arranged in parallel, the both ends of the pump housing are respectively arranged with the upper cover and lower head that seal chamber is formed with the pump housing, it is provided on upper cover and generates the vacuum connection tube that component is connect with vacuum, transfer pump lower end is provided with the material delivery pipe that powder material is discharged to transfer pump to collection assembly, the feed pipe of the component that is provided with and unpacks on pump housing connection, fluidisation pipe group, fluidisation Guan Zuyu gas supply assembly connection are provided on the pump housing；The pump housing is at least provided with a material gas separation assembly on the direction at feed pipe to upper cover, and when being provided with multiple material gas separation assemblies, the via hole on material gas separation assembly of the pump housing on the direction at feed pipe to upper cover is gradually reduced.Automation is realized in the invention use process, no fugitive dust improves the safety of working environment.Repeatedly material gas separation is realized by the pump housing.
Description
Technical field
The present invention relates to material transportation art more particularly to a kind of air-transport systems.
Background technique
Drilling platforms ongoing operations, during using collection assemblies mixture Iron Ore Powders such as batch mixed sled or mixing water tanks,
Prepared presently, there are artificial, and mixed funnel be entirely it is open, cause Iron Ore Powder dust to fly upward all over the sky, thus current work
There are three major issues: dust pollutes air and marine environment first, influences the operation and living environment of platform；Secondly people
Work industry low efficiency, and 5 ton/hours of artificial material mixing, and influenced by weather, it is not able to satisfy platform anxiety and works continuously, third is pair
The physical and mental health of operating personnel impacts, including to operating personnel above mixing water tank and collection assembly when manually launching material
It may cause unexpected injury, therefore be badly in need of a kind of transportation system to solve this problem.
It in powder material transportation art, is much conveyed in the way of pneumatic conveying, pneumatic conveying is the energy using air-flow
Amount conveys powder and granule shape material along airflow direction in closed conduit, is a kind of concrete application of fluidization technology.Pneumatic conveying dress
The structure set is simple, easy to operate, can make horizontal, vertical or inclined direction conveying, during transportation can also be simultaneously
Carry out physical operations or certain chemical operations such as heating, cooling, drying and the air current classifying of material.The main feature of pneumatic conveying
It is that conveying capacity is big, conveying distance is long, and conveying speed is higher；It can charge at one, then in many places discharging.Due to pneumatic conveying
These features so that pneumatic conveying waits until to be widely applied in powder and granule shape material transportation aspect, as electric power, chemical industry, metallurgy, cement,
The departments such as grain.
It after conveying, needs to separate the gas of conveying and powder material, how to improve gas and powder powder point
From degree, and improving reduction to transport loss is technical problem urgently to be solved.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, for this purpose, the present invention provides a kind of air-transport system.
To achieve the above object, the invention adopts the following technical scheme:
A kind of air-transport system, including collection assembly, control assembly and the gas supply assembly being separately connected with control assembly,
Component, the vacuum of unpacking generate component, conveying pump assembly；The conveying pump assembly includes the pump housing that several are arranged in parallel, the pump housing
Both ends be respectively arranged with the upper cover and lower head that seal chamber is formed with the pump housing, be provided on the upper cover and vacuum generate
The vacuum connection tube of component output end connection, transfer pump lower end are provided with the object that powder material is discharged to transfer pump to collection assembly
Material conveying tube, the feed pipe for the component output end connection that is provided with and unpacks on the pump housing are provided with fluidisation pipe on the pump housing
The outer end of group, fluidisation pipe group is connect with gas supply assembly；The pump housing on the direction at feed pipe to upper cover at least provided with
One material gas separation assembly, when being provided with multiple material gas separation assemblies, the pump housing is on the direction at feed pipe to upper cover
Via hole on material gas separation assembly is gradually reduced.
The present invention has the advantages that
(1) this system is connected by corresponding between conveying pump assembly and other assemblies, and passes through control assembly and each group
Connection control between part, to realize the automation of whole work process, no fugitive dust improves the safety of working environment.Its
The upper cover connection vacuum of middle conveying pump assembly middle pump body, which generates component, makes the pump housing be in vacuum negative pressure condition, is generated using negative pressure
Suction external powder is drawn into pump, realize powder negative pressure charging, when expect gas mixture be input to the pump housing after, due to powder
Body material is fallen automatically by self gravitation effect, partial material, and the powder material of floating passes through with gas by one or successively
After multiple material gas separation assemblies, powder material is further separated with conveying gas, after punishment in advance gas separation assembly, conveys gas quilt
Vacuum generates component discharge, and powder material falls, after the completion of feeding, using positive pressure conveying by powder material from material delivery pipe
Discharge, the setting for the material gas separation assembly that multiple via holes are gradually reduced improve material gas separation rate.
(2) present invention realizes that dustlessization of powder material is remote in such a way that negative pressure charging is combined with positive pressure feeding
Conveying.The easy fugitive dust property of powder material cause merely with positive pressure mode of movement conveying powdery material be easy to produce pollution environment ask
Topic and harmful human health problems；Negative pressure transportation can largely solve the problems, such as fugitive dust, but be limited by extreme negative pressure,
Often there is considerable restraint for the conveying distance of powder material；The present invention is dustless remote by being implemented in combination with for positive pressure and negative pressure
Transportation problem.
(3) control assembly controls each valve group to realize the automation of the overall processes such as feed, gas supply, discharging in the present invention.
(4) the first scheme for expecting gas separation assembly is that the feed pipe of insertion and pump housing inner chamber body is made to form rotation flow impact knot
Structure, the material gas that the pump housing is entered in the wherein feed pipe in every group of feed pipe are rotated clockwise along the inner sidewall of the pump housing,
The material gas that the pump housing is entered in another feed pipe is rotated counterclockwise along the inner sidewall of the pump housing, and this two stock materials air-flow can occur
Collision, final realize move downward under the effect of gravity after partial material collision leads to kinetic energy rejection, and generated after colliding
Downdraught can exert a force to the powder material of lower section.And the first material gas separation assembly directly uses feed pipe, feeds realizing
While, moreover it is possible to realize material gas separation.
(5) second scheme for expecting gas separation assembly is made to expect gas and collides disengagement chamber under the action of vacuum generator
The lateral wall of body collides, under the action of colliding stall and gravity, as the powder material for transporting gas falls, to realize powder
Body material is separated with gas is transported.
(6) the third scheme of gas separation component is to be separated powder material with conveying gas by filter bag, attached
Powder material on filter bag drive filter bag shake to fall by driving device, to realize powder material and transport gas
Body separation, and the third via hole being also prevented from powder material obstruction filter bag.
(7) setting of keel struts filter bag, prevents filter bag from stacking and reducing filter area, reduces filtering effect
Fruit, control assembly control the dither cycle that filter bag is realized in pulse spraying equipment work, prevent the mistake on dust obstruction filter bag
Filter opening.
(8) pressure that the exit of each material gas separation assembly in the available pump housing is set of pressure transmitter, then
Pressure value is transferred in control assembly, the time point for adjusting each valve for control assembly provides gross data.
(9) setting for fluidizing pipe group is to blow mode using positive pressure to solve the problems, such as long-distance sand transport, by fluidizing pipe group
Intracorporal powder material will be pumped and carry out fluidization, the state for being easier to conveying is at, keeps transmission process more smooth.
(10) mode that frequency conversion constant feeder is combined with air inlet regulating device can preferably control the conveying speed of material
It is best to guarantee that material obtains during momentum and potential energy exchange and conversion for pressure difference in degree, solid material-air ratio and pipeline
Conveying effect holds different location that corresponding air inlet regulating device is arranged before transporting, to carry out initial adjustment, fine tuning to transportation system
And fine tuning.
(11) this system will expect that gas mixture is pumped via vacuum handling pipeline alternate cycles suction and conveying to first pump housing and second
To improve working efficiency in body.
Detailed description of the invention
Fig. 1 is present system schematic diagram.
Fig. 2 is the structure chart of negative pressure transportation accelerating chamber.
Fig. 3 is the structure chart of compressed air gas source.
Fig. 4 is the structure chart of vacuum pump.
Fig. 5 is the structure chart of transportation system skid platform and first pump housing and second pump housing above it.
Fig. 6 and Fig. 7 is the not ipsilateral main view of the pump housing.
Fig. 8 is cross-sectional view of the present invention.
Fig. 9 is the top view of third material gas separation assembly.
Figure 10 is the structure chart of the second material gas separation assembly and third material gas separation assembly.
The meaning of label symbol is as follows in figure:
101- first pump housing, second pump housing of 102-
1- upper cover 2- pump housing 3- collides the second via hole of separating chamber 31- 32- feed opening
33- expects that gas exports the top 4- lower head 5- pressure inlet 6- first pressure transmitter
Positive pressure fluidisation pipe 8- positive pressure feed pipe 9- bottom positive pressure fluidisation pipe in the middle part of 7-
The bottom 10- positive pressure fluidizes separator tube 11- material delivery pipe 12- access hole 13- feed pipe
14- second pressure transmitter 15- third material gas separation assembly 16- pressure-equalizing pipe
17- vacuum connection tube 18- third pressure transmitter 19- pulse spraying equipment 191- blowing portion
20- exports valve group 21- skid structure
201- compressed air gas source 202- compressed air processor
203- compressed gas source pipeline 204- supplies valve group
301- bale breaker 302- frequency conversion constant feeder 303- negative pressure transportation accelerating chamber
304- vacuum handling pipeline 305- unpacks valve group 306- air inlet regulating device
401- vacuum pump 402- vacuum valve group
500- control assembly 600- collection assembly
Specific embodiment
As shown in Figs. 1-5, a kind of air-transport system, including collection assembly 600, control assembly 500 and and control assembly
500 gas supply assemblies being separately connected, component of unpacking, vacuum generate component, conveying pump assembly.The conveying pump assembly includes several
A pump housing 2 being arranged in parallel, the both ends of the pump housing 2 are respectively arranged with the upper cover 1 and lower head 4 that seal chamber is formed with the pump housing 2, institute
It states to be provided on upper cover 1 and generates the vacuum connection tube 17 that component output end is connect with vacuum, transfer pump lower end is provided with powder
The material delivery pipe 11 of transfer pump to collection assembly 600 is discharged in body material, and be provided with and unpack on the pump housing 2 component output end
The feed pipe 13 of connection.The collection assembly 600 is batch mixed sled.
Gas supply assembly includes the compressed air gas source 201, compressed air processor 202, compressed gas source pipeline set gradually
203, the gas supply valve group 204 on compressed gas source pipeline 203 is set.Supplying valve group 204 includes pressure reducing valve, for setting up pulse spray
The use pressure of blowing compressed air, and air filter is set on compressed gas source pipeline 203, for excluding institute in compressed air
The condensed water contained.Filter bag in air filter uses antistatic material and filter bag is replaceable.
The vacuum generates the pipe that component includes vacuum pump 401 and is arranged between vacuum pump 401 and vacuum connection tube 17
The vacuum valve group 402 of road.
The component of unpacking includes the bale breaker 301, frequency conversion constant feeder 302, negative pressure transportation accelerating chamber set gradually
303, the vacuum handling pipeline 304 between negative pressure transportation room and feed pipe 13 is set, setting is torn open on vacuum handling pipeline 304
Packet valve group 305.The component of unpacking further includes the air inlet adjustment dress that different location in negative pressure transportation room is arranged in multiple output ends
306 are set, the gas circuit output end of each air inlet regulating device 306 is connect with the inlet end of negative pressure transportation accelerating chamber 303.The change
Frequency constant feeder 302 includes impeller shaft and the impeller being arranged in impeller shaft, is provided with frequency conversion tune below the impeller shaft
Speed motor reaches adjusting feeding coal to control wheel speed.Negative pressure transportation accelerating chamber 303 can effectively control the flowing speed of material
Degree and angle, and be adjustable material and mixing indoor distribution, guarantee that material mixes with air uniformly and vacuum can be improved
Convey mixing ratio.Air inlet regulating device 306 can preferably control the pressure difference in the conveying speed and pipeline of material, guarantee material
Momentum and potential energy exchange and conversion during obtain optimal transport effect, before transporting hold different location setting accordingly into
Gas control device 306, to carry out initial adjustment, fine tuning and fine tuning to transportation system.
Output valve group 20 is provided on the corresponding material delivery pipe 11 of all pump housings 2.The gas supply valve group 204, vacuum
Valve group 402, valve group of unpacking 304, export valve group 20 controlled end connect with the control terminal of control assembly 500.
The pump housing 2 is two in this embodiment, respectively first pump housing 101 and second pump housing 102.First pump housing, 101 He
Second pump housing 102 is fixed in skid structure 21.Under the action of control assembly 500, expect gas mixture via vacuum conveyer tube
304 alternate cycles suction and conveying of road is into first pump housing 101 and second pump housing 102.
The japanning antirust of its middle pump body requires to execute by JB/T 4711-2003 pertinent regulations.First pump housing 101 and
Two pump housings 102 and each component should be able to bear the external pressure of -90kPa vacuum degree, can also bear simultaneously not less than 0.5MPa positive pressure
Internal pressure, the leakage of system maximum quantity of wind are 6%, and separation equipment part dust emission concentration is < 20mg/Nm3, exhaust resistance must not surpass
1700Pa is crossed, efficiency of dust collection is greater than 99.5%.Positive pressure discharge pressure is not higher than 0.3MPa, and conveying mixing ratio is average defeated greater than 21
It send speed no more than 10.8m/s, conveys the amount 15t/h of Iron Ore Powder per hour.The shell of first pump housing 101 and second pump housing 102
Body structure designs the relevant regulations for meeting GB 150.Weldquality meets design requirement and the related rule of GB/T 11345-1989
It is fixed.
The pump housing 2 at the feed pipe 13 on the direction of upper cover 1 at least provided with a material gas separation assembly, when setting
When being equipped with multiple material gas separation assemblies, the pump housing 2 is at feed pipe 13 to the mistake on the material gas separation assembly on the direction of upper cover 1
Hole is gradually reduced.Herein by taking three kinds of material gas separation assemblies as an example, these three material gas separation assemblies can be with independent role, can also two
Two mating reactions, can be with three's mating reaction.Three kinds of material gas separation assemblies are described in detail below.
Embodiment 1
In this embodiment, material gas separation assembly only includes the first material gas separation assembly.
As shown in figs 6-8, the feed pipe 13 is even number root, and every two feed pipes 13 form one group, every group of feed pipe 13
It is inserted into the pump housing 2 and forms rotation flow impact structure in 2 inner chamber body of the pump housing, the feed pipe 13 is used as the first via hole.Wherein pump
Body 2 is additionally provided with first pressure transmitter 6 at feed pipe 13, in order to keep the pressure balance in the pump housing 2, goes back on upper cover 1
It is provided with the pressure-equalizing pipe 16 being communicated with the atmosphere, is provided with valve on the pressure-equalizing pipe 16.The vacuum connection tube 17
It is connected with external vacuum generating device, other manifolds are closed using valve on the pump housing 2, to cooperate vacuum generating device to pump
Negative pressure of vacuum environment is provided in body 2, it, will when detecting that vacuum degree reaches pre-provisioning request in the pump housing 2 by first pressure transmitter 6
Feed pipe 13 is connected to the remittance of external materail tube, realizes that the negative pressure of powder material is fed using vacuum in the pump housing 2.
The feed pipe 13 of insertion forms rotation flow impact structure with 2 inner chamber body of the pump housing, and wherein one in every group of feed pipe 13
The material gas that the pump housing 2 is entered in feed pipe 13 is rotated clockwise along the inner sidewall of the pump housing 2, is entered in another feed pipe 13
The material gas of the pump housing 2 is rotated counterclockwise along the inner sidewall of the pump housing 2, and this two stock materials air-flow can collide, at the same with the pump housing 2
Inner wall friction eceleration moves downward under the effect of gravity after finally realizing partial material kinetic energy rejection, and generated after colliding
Downdraught can exert a force to the powder material of lower section.In fig. 1-3, realize effect and in the matched situation of external environment,
Using 2 feed pipes 13, can be arranged in parallel up and down if it is more feed pipes 13.
The top pressure inlet 5 that 2 central part of the pump housing is arrived across the pump housing 2, the setting of top pressure inlet 5 are additionally provided on the pump housing 2
The gas for exporting top pressure inlet 5 improves supercharging effect from 2 centre of the pump housing to external diffusion.
Positive pressure feeding material component, the positive pressure feeding material component are provided on the pump housing 2 of the lower head 4 and close lower head 4
Positioned at the lower section of feed pipe 13.
There can also be other embodiments, such as the multiple first material gas separation groups of array in upwardly direction in the pump housing 2
Part, each first material gas separation assembly can be separated by partition.
Embodiment 2
In this embodiment, material gas separation assembly only includes the second material gas separation assembly.
As shown in Fig. 6-8 and Figure 10, it is coaxially arranged with collision separating chamber 3 inside the pump housing 2, collides separating chamber 3
33 are exported including material gas and the feed opening 32 of lower end is set, and the outer housing of the collision separating chamber 3 is variable cross-section, expects gas
It exports outer housing and 2 inner sidewall of the pump housing at 33 to be tightly connected, lateral wall of the collision separating chamber 3 at feed opening 32
There is gap between 2 inner sidewall of the pump housing；Multiple second via holes 31 are distributed on 3 side wall of collision separating chamber, form second
Expect gas separation assembly.Under the action of vacuum generator, makes to expect gas and collide the lateral wall collision of separating chamber 3, lost in collision
Under the action of speed and gravity, as the powder material for transporting gas falls, to realize that powder material is separated with gas is transported.
The level height of the feed opening 32 extend into the level height of 2 inner port of the pump housing lower than feed pipe 13, anti-in this way
Only material enters material gas separated region again in feed pipe 13 under airflow function.
In this embodiment, the pump housing 2 is additionally provided with second pressure transmitter 14 at material gas outlet 33, for detecting material gas
Export whether vacuum degree in the pump housing 2 at 33 reaches pre-provisioning request.In order to keep the pressure balance in the pump housing 2, gone back on upper cover 1
It is provided with the pressure-equalizing pipe 16 being communicated with the atmosphere, is provided with valve on the pressure-equalizing pipe 16.
It is additionally provided on the pump housing 2 and increases across the top of the pump housing 2 and collision separating chamber 3 to collision 3 central part of separating chamber
Pressure pipe 5, the top pressure inlet 5, which tilts down, extend into collision separating chamber 3, and the setting of top pressure inlet 5 both increased top
The gas that pressure pipe 5 exports improves supercharging effect from 2 centre of the pump housing to external diffusion, and the collision separation in diffusion process
Pressure difference inside and outside cavity 3 blows off the powder being attached on collision 3 second via hole 31 of separating chamber, furthermore, top pressure inlet 5 is worn
The pump housing 2 and collision separating chamber 3 are crossed, also functions to the effect of a lower support in the pump housing 2 to collision separating chamber 3.
There can also be other embodiments, such as the multiple second material gas separation groups of array in upwardly direction in the pump housing 2
The aperture of part, the second via hole 31 in multiple collision separating chambers 3 from top to bottom is gradually reduced.
Embodiment 3
In this embodiment, material gas separation assembly only includes third material gas separation assembly 15.
As illustrated in figures 6-10, third material gas separation assembly 15, third material gas point are provided between the upper cover 1 and cavity
Include that will expect that gas path direction is divided into the supporting element in two regions from component 15, installation filter bag is offered on the supporting element
Through-hole, the hole in the bag face of the filter bag are third via hole, are additionally provided in the transfer pump and drive filter bag exterior surface
The driving device that dust is fallen, gas can cannot be passed through by powder material, the sack outer edge of the filter bag and through-hole
Outer edge is tightly connected.Powder material is separated with conveying gas by filter bag, the powder material being attached on filter bag
It drives filter bag shake to fall by driving device, to realize that powder material is separated with gas is transported, and is also prevented from powder
Third via hole on clogged up with material filter bag.In this scenario, the driving device is pulse spraying equipment 19, the pulse
The blowing portion 191 of blowing device 19 is arranged in above the sack of filter bag.
The keel (not shown) of support filter bag is provided in the filter bag, the setting of keel supports filter bag
It opens, prevents filter bag stacking from reduce filter area, reduce filter effect.
In this embodiment, the pump housing 2 is additionally provided with third pressure transmitter 18 on the inside of upper cover 1, is arranged on the pump housing 2
Second pressure transmitter 14,14 check bit of second pressure transmitter setting on the outside of filter bag, due to pulse spraying equipment 19 with
External compression air gas source 201 connects, when control device detects that third pressure transmitter 18 and second pressure become in transfer pump
When the pressure difference of device 14 being sent to reach preset limit value, starting impulse blowing device 19 carries out blowback operation to filter bag.In order to keep pumping
Pressure balance in body 2, is additionally provided with the pressure-equalizing pipe 16 being communicated with the atmosphere on upper cover 1, on the pressure-equalizing pipe 16
It is provided with valve.In this embodiment, filter bag uses cloth bag, and the air permeability of cloth bag is true according to the dust particles diameter of filtering
It is fixed.
The top pressure inlet 5 that 2 central part of the pump housing is arrived across the pump housing 2, the setting of top pressure inlet 5 are additionally provided on the pump housing 2
The gas for exporting top pressure inlet 5 improves supercharging effect from 2 centre of the pump housing to external diffusion.
There can also be other embodiments, such as the multiple third material gas separation groups of array in upwardly direction in the pump housing 2
The aperture of part 15, the third via hole on multiple filter bags from top to bottom is gradually reduced.
Embodiment 4
As illustrated in figures 6-10, in this embodiment, material gas separation assembly by embodiment 1 the first material gas separation assembly,
The third material gas separation assembly 15 in the second material gas separation assembly, embodiment 3 in embodiment 2 is composed, and from the bottom up
Setting.It further include such as embodiment 1, embodiment 2, the pressure-equalizing pipe 16 of the identical setting of embodiment 3, vacuum connection tube 17, first
Pressure transmitter 6, second pressure transmitter 14, third pressure transmitter 18.
The vacuum connection tube 17 is connected with vacuum generating device manifold, other manifolds are all made of valve closing on the pump housing 2,
Access hole sealing, detected in the pump housing 2 very when by first pressure transmitter 6 to negative pressure of vacuum environment is provided in the pump housing 2
Reciprocal of duty cycle reaches pre-provisioning request, and feed pipe 13 is connected to the remittance of external materail tube, realizes the negative of powder material using vacuum in the pump housing 2
It is pressed into material, powder material completes the separation of the first defective material gas by the rotation flow impact structure of feed pipe 13.On gas with fugitive dust
It passed through the collision separating chamber 3 with the second via hole 31, powder granule drops downward into 2 lower part of the pump housing after colliding stall,
Realize that the second defective material gas separates.The separation of third defective material gas is carried out by finally passing through filter bag to the material gas of collision separating chamber 3,
Separate gas through 17 discharge pump of vacuum connection tube outside.When third defective material gas separates, pulse spraying equipment 19 and external compression air
Gas source 201 connects, when detecting that third pressure transmitter 18 and 14 pressure difference of second pressure transmitter reach preset limit value, starting
Pulse spraying equipment 19 carries out blowback operation to filter bag.
Embodiment 5
As shown in figs 6-8, in order to enable the powder material fallen in above-mentioned all embodiments is smoothly exported from transfer pump,
The pump housing 2 is provided with top pressure inlet 5, the lower head 4 and is provided with positive pressure feeding group on the pump housing 2 of lower head 4
Part, the fluidisation pipe group for fluidizing powder material, the positive pressure feeding material component are located at the lower section of feed pipe 13.The fluidisation Guan Zushe
It sets in the pump housing 2 at powder accumulation.
In detail, positive pressure feeding material component includes the positive pressure feed pipe 8 and material delivery pipe 11 across 2 bottom of the pump housing, just
Force feed expects pipe 8 and material delivery pipe 11 are oppositely arranged.Fluidisation pipe group include middle part positive pressure fluidisation pipe 7, extend into lower head 4 and
The bottom positive pressure fluidisation separator tube 10 and bottom positive pressure fluidisation pipe 9 being oppositely arranged, the middle part positive pressure fluidisation pipe 7 extend into powder
Build-up areas.
Since space is little in lower head 4, positive pressure fluidisation separator tube 10 in bottom faces bottom positive pressure fluidisation pipe 9, can be right
The air that positive pressure fluidisation pipe 9 in bottom is blown out has a buffer function, is distributed the air pressure of space interior more more uniform；Separately
Outside when air inflow is excessive, separator tube 10 can be fluidized by bottom positive pressure and be outwardly vented, control pressure.
When inventory reaches specified requirement, disconnection vacuum connection tube 17, feed pipe 13 and external manifold in the transhipment pump housing 2
Connection, barotropic equilibrium pipe are communicated with the atmosphere by valve, pressure in the pump housing 2 are balanced, then by top pressure inlet 5, middle part positive pressure
Fluidisation pipe 7, bottom positive pressure fluidisation pipe 9 are connected to compressed air gas source 201, are carried out pressurization fluidization treatment to material in the pump housing 2, are made
Material be in be conducive to transport status, finally positive pressure feed pipe 8 be connected to compressed air gas source 201, material delivery pipe 11 with outside
The connection of portion's feed-stock pipeline, carries out positive pressure feeding.
For convenience to intracorporal maintenance is pumped, access hole 12 is additionally provided on the pump housing.
Embodiment 5 and the combination of embodiment 1,2,3,4 are used as other embodiment, are separated by control negative pressure, positive pressure feeding,
The dustlessization conveying for realizing powder material, improves the safety of working environment.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.
Claims (10)
1. a kind of air-transport system, which is characterized in that including collection assembly (600), control assembly (500) and and control assembly
(500) gas supply assembly being separately connected, component of unpacking, vacuum generate component, conveying pump assembly；If the conveying pump assembly includes
The dry pump housing (2) being arranged in parallel, the both ends of the pump housing (2) be respectively arranged with the pump housing (2) formed seal chamber upper cover (1) and
Lower head (4) is provided on the upper cover (1) and generates the vacuum connection tube (17) that component output end connect with vacuum, transports
Pump lower end is provided with the material delivery pipe (11) that powder material is discharged to transfer pump to collection assembly (600), on the pump housing (2)
The feed pipe (13) of the component output end that is provided with and unpacks connection is provided with fluidisation pipe group on the pump housing (2), fluidizes pipe group
Outer end connect with gas supply assembly；The pump housing (2) is on the direction at feed pipe (13) to upper cover (1) at least provided with one
A material gas separation assembly, when being provided with multiple material gas separation assemblies, the pump housing (2) is at feed pipe (13) to upper cover (1)
The via hole on material gas separation assembly on direction is gradually reduced.
2. a kind of air-transport system according to claim 1, which is characterized in that the gas supply assembly includes setting gradually
Compressed air gas source (201), compressed air processor (202), compressed gas source pipeline (203), be arranged in compressed gas source pipeline
(203) the gas supply valve group (204) on；
It includes on vacuum pump (401) and the pipeline being arranged between vacuum pump and vacuum connection tube (17) that the vacuum, which generates component,
Vacuum valve group (402)；
The component of unpacking includes the bale breaker (301) set gradually, frequency conversion constant feeder (302), negative pressure transportation accelerating chamber
(303), vacuum handling pipeline (304) between negative pressure transportation room and feed pipe (13), setting are set in vacuum handling pipeline
(304) valve group of unpacking on (305)；
Output valve group (20) is provided on the corresponding material delivery pipe (11) of all pump housings (2)；
It is described gas supply valve group (204), vacuum valve group (402), valve group of unpacking (305), export valve group (20) controlled end with control
The control terminal of component (500) processed connects.
3. a kind of air-transport system according to claim 1, which is characterized in that material gas separation assembly includes the first material gas
Separation assembly, the first material gas separation assembly include even number feed pipe (13), and every two feed pipes (13) form one group, every group of charging
It manages in (13) the insertion pump housing (2) and forms rotation flow impact structure with the pump housing (2) inner chamber body, the feed pipe (13) is used as the first mistake
Hole.
4. a kind of air-transport system according to claim 1, which is characterized in that material gas separation assembly includes the second material gas
Separation assembly, the second material gas separation assembly is included in the collision separating chamber (3) being coaxially disposed inside the pump housing (2), described
Collision separating chamber (3) includes material gas outlet (33) and the feed opening (32) that lower end is arranged in, the collision separating chamber (3)
Outer housing be variable cross-section, material gas outlet (33) at outer housing and the pump housing (2) inner sidewall be tightly connected, the collision disengagement chamber
Body (3) has gap between the lateral wall and the pump housing (2) inner sidewall at feed opening (32)；Collision separating chamber (3) side
Multiple second via holes (31) are distributed on wall.
5. a kind of air-transport system according to claim 1, which is characterized in that material gas separation assembly includes third material gas
Separation assembly (15), third material gas separation assembly (15) are arranged between the upper cover (1) and cavity, third material gas separation group
Part (15) includes that will expect that gas path direction is divided into the supporting element in two regions, and the logical of installation filter bag is offered on the supporting element
Hole, the hole in the bag face of the filter bag are third via hole, are additionally provided with the powder for driving filter bag exterior surface in the transfer pump
The driving device that dirt is fallen, gas can cannot be passed through by powder material, the sack outer edge of the filter bag and through-hole it is outer
Edge seal connection.
6. a kind of air-transport system according to claim 5, which is characterized in that be provided with and supported in the filter bag
The keel of filter bag, the driving device are pulse spraying equipment (19), and the blowing portion (191) of the pulse spraying equipment (19) is set
It sets above the sack of filter bag, the controlled end of the driving device is connect with a control terminal of control assembly (500).
7. a kind of air-transport system according to claim 1, which is characterized in that each material gas point on the pump housing (2)
Exit from component is provided with pressure transmitter, and the signal end of the pressure transmitter is corresponding to control assembly (500)
Signal input part connection.
8. a kind of air-transport system according to claim 1, which is characterized in that the fluidisation pipe group includes middle part positive pressure
Fluidisation pipe (7) extend into bottom positive pressure fluidisation separator tube (10) in lower head (4) and being oppositely arranged and bottom positive pressure fluidisation pipe
(9), the middle part positive pressure fluidisation pipe (7) extend into powder build-up areas.
9. a kind of air-transport system according to claim 2, which is characterized in that the component of unpacking further includes multiple defeated
The air inlet regulating device (306) of different location in negative pressure transportation room, the gas circuit of each air inlet regulating device (306) is arranged in outlet
Output end is connect with the inlet end of negative pressure transportation accelerating chamber (303).
10. a kind of air-transport system according to claim 2, which is characterized in that the conveying pump assembly includes first
The pump housing (101) and second pump housing (102), material gas mixture is via vacuum handling pipeline (304) alternate cycles suction and conveying to the first pump
In body (101) and second pump housing (102).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910612174.6A CN110342261B (en) | 2019-07-08 | 2019-07-08 | Pneumatic conveying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612174.6A CN110342261B (en) | 2019-07-08 | 2019-07-08 | Pneumatic conveying system |
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| CN110342261B CN110342261B (en) | 2021-11-19 |
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| CN201910612174.6A Active CN110342261B (en) | 2019-07-08 | 2019-07-08 | Pneumatic conveying system |
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| CN207903920U (en) * | 2017-12-08 | 2018-09-25 | 石家庄国华环保科技有限公司 | A kind of lime automatic Dosing System |
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| JPS58144020A (en) * | 1982-02-18 | 1983-08-27 | Akiyuki Fujinaka | Air suction bubble transfer machine of water immersed solid material |
| CN2704568Y (en) * | 2004-06-23 | 2005-06-15 | 邵天君 | Vacuum conveyor |
| CN102872656A (en) * | 2012-10-11 | 2013-01-16 | 无锡多灵环保工程设备有限公司 | High-temperature cyclone secondary deduster |
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| CN110342261B (en) | 2021-11-19 |
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