CN105600457B - A kind of low speed two-phase transportation non-mechanical automatic suberization method - Google Patents
A kind of low speed two-phase transportation non-mechanical automatic suberization method Download PDFInfo
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- CN105600457B CN105600457B CN201610146389.XA CN201610146389A CN105600457B CN 105600457 B CN105600457 B CN 105600457B CN 201610146389 A CN201610146389 A CN 201610146389A CN 105600457 B CN105600457 B CN 105600457B
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- suberization
- low speed
- delivery pipe
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 182
- 238000005469 granulation Methods 0.000 claims abstract description 11
- 230000003179 granulation Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 10
- 230000037431 insertion Effects 0.000 claims abstract description 10
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000002776 aggregation Effects 0.000 description 5
- 238000004220 aggregation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/042—Granular material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The present invention relates to Loose Bodies Pneumatic Conveying Technology field, a kind of more particularly to low speed two-phase transportation non-mechanical automatic suberization method, particle inlet conduit specially is set in the cavity wall of particle chamber, particle is injected to form granulation mass into particle chamber from particle inlet conduit, mozzle is plugged in particle chamber, by delivery pipe from the inside of mozzle insertion granulation mass, air-flow is passed through into mozzle, entrained particles enter delivery pipe after air-flow enters particle chamber, particle is assembled formation material bolt in delivery pipe.With reference to draft tube outlets gas-solid entrainment and particle chamber in both particle flows between the dynamic equilibrium that reaches of coordination, realize the automatic suberization in delivery pipe, belong to the automatic suberization method of no moving component, wear extent of the bulky grain in course of conveying can be reduced, it is greatly enhanced into the reliability of bolt, suitable for the bolt stream delivery application environment very high to reliability requirement, such as high temperature, high pressure, nuclear reactor engineering.
Description
Technical field
The present invention relates to Loose Bodies Pneumatic Conveying Technology field, more particularly to a kind of low speed two-phase transportation non-mechanical is certainly
Move into bolt method.
Background technology
Many years are applied successfully in the conveying of the charging of industrial process, discharging and internal granular media in Loose Bodies Geldart-D particle.
Due to particle habit, conveyance conduit geometry and the difference for running operating parameter, the Gas-particle Flows of Geldart-D particle are shown
Strong scale effect and Nonlinear Dynamical Characteristics.The conveying of bolt stream is also known as plug flow conveying or plug flow conveying.Bulky grain
The conveying of bolt stream is with abrasion of particles rate is low, pipe wear rate is low, specific energy consumption is low, throughput needed for the same grain amount of conveying is few, gas
Gu segregation ratio diluted phase transport is easy, reduces the advantages that dust pollution, therefore receives the concern of domestic and international researcher.Inquire into big
The conveying of grain bolt stream absorbs the wear rate of ball particle to reduce, and the economical operation to HTGR is also significant.
Bolt stream conveying into bolt mode include pulse air-sword type, powder pump type, into bolt device formula, air-flow squash type, side stream type,
Ball, single storehouse pressure sending type etc..Pulse air-sword type is most widely used at present both at home and abroad into bolt mode, and its substantive characteristics is to send
Inflation entrainment material is downwardly into horizontal pipeline section and air-flow pulsed Injection Level pipeline section is formed interval point by air knife in tank
The material bolt and aeroembolism of cloth.Material bolt length and slug length are mainly filled with the time by material and air-flow is filled with the time and control is adjusted
System.
It is above-mentioned all to include moving component (such as magnetic valve) substantially into bolt mode, and not comprising moving component into bolt mode
It is to form material bolt in horizontal pipeline section, is not suitable for reliability requirement very high application environment (such as high temperature, high pressure, nuclear reaction
Heap engineering etc.).
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention how is improved into the reliability of bolt in the conveying of bulky grain bolt stream, to adapt to pair
The very high bolt stream delivery application environment of reliability requirement.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of low speed two-phase transportation non-mechanical automatic suberization side
Method, particle inlet conduit is set in the cavity wall of particle chamber, into particle chamber injects particle from particle inlet conduit to be formed
Grain heap, mozzle is plugged in particle chamber, by delivery pipe from the inside of mozzle insertion granulation mass, is passed through into mozzle
Air-flow, entrained particles enter delivery pipe after air-flow enters particle chamber, particle is assembled formation material bolt in delivery pipe.
According to the present invention, particle is set at least to fill up particle inlet conduit when injecting particle into particle chamber from particle inlet conduit
A cross section.
According to the present invention, particle inlet conduit, and the center line of particle inlet conduit and level are set in the side wall of particle chamber
The angle in face is not less than 10 °.
According to the present invention, particle inlet conduit is set in the roof of particle chamber.
According to the present invention, mozzle is inserted in the granulation mass of particle chamber.
According to the present invention, the length in delivery pipe insertion particle chamber is more than the length in mozzle insertion particle chamber.
According to the present invention, one end and the distance between particle chamber in delivery pipe insertion particle chamber are straight not less than particle
Five times of footpath.
According to the present invention, mozzle is connected with air-flow chamber, the air-flow in air-flow chamber is imported in particle chamber.
According to the present invention, mozzle and delivery pipe are inserted in particle chamber from the upper vertical of particle chamber or inclination,
Or by mozzle and delivery pipe out of, particle chamber sidewall horizontal insertion particle chamber.
According to the present invention, the superficial gas velocity that the air-flow being passed through into mozzle is corresponded in delivery pipe is free no more than individual particle
Sinking speed.
(3) beneficial effect
The low speed two-phase transportation non-mechanical automatic suberization method of the present invention has the following advantages that：
(1) by being passed through air-flow into mozzle, air-flow entrained particles after mozzle enters particle chamber enter conveying
Pipe, make particle in delivery pipe gradually aggregation formed material bolt, with reference to draft tube outlets gas-solid entrainment and particle chamber in
The dynamic equilibrium that coordination between both grain flowings reaches, realizes the automatic suberization in delivery pipe, without magnetic valve etc.
Moving component expects the generation of bolt to control, and " fluidization " of mozzle can reduce pressure drop and improve stability.This into
Bolt method belongs to the automatic suberization method of no moving component, can reduce wear extent of the bulky grain in course of conveying, greatly
Ground improves the reliability into bolt, suitable for the bolt stream delivery application environment very high to reliability requirement, such as high temperature, high pressure, core
Reactor engineering etc..
(2) adaptability of the angle of delivery pipe and horizontal plane is broad, can meet vertically into bolt, horizontal into bolt and inclination angle
Spend into a variety of application demands such as bolt.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention one low speed two-phase transportation vertical tranporter in non-mechanical automatic suberization signal
Figure；
Fig. 2 be the embodiment of the present invention one low speed two-phase transportation vertical tranporter in non-mechanical automatic suberization signal
Figure, its particle is by the particle inlet conduit injection particle chamber Jing Guo air-flow chamber；
Fig. 3 be the embodiment of the present invention two low speed two-phase transportation sloping transfer line road in non-mechanical automatic suberization signal
Figure；
Fig. 4 is the embodiment of the present invention three for realizing that non-mechanical is automatic in its low speed two-phase transportation horizontal feed pipeline
Into the schematic diagram of bolt.
In figure：1：Particle chamber；2：Mozzle；3：Air-flow chamber；4：Air flow inlet；5：Delivery pipe；61、62：Dividing plate；
71、72、73：Particle inlet conduit.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment one
As depicted in figs. 1 and 2, a kind of embodiment of low speed two-phase transportation non-mechanical automatic suberization method of the invention.
Specifically, as shown in figure 1, the low speed two-phase transportation non-mechanical automatic suberization method of the present embodiment one is：
Particle inlet conduit is set in the cavity wall of grain chamber 1, the particle inlet conduit 71 of the present embodiment one is arranged on the side wall of particle chamber 1
On, particle is injected to form granulation mass into particle chamber 1 from particle inlet conduit 71.From particle inlet conduit 71 to particle chamber 1
Particle need to be made at least to fill up a cross section of particle inlet conduit 71 during interior injection particle, in the present embodiment, particle inlet conduit 71
For equal pipe, particle is filled with all horizontal of particle inlet conduit 71 when particle is injected into particle chamber 1 from particle inlet conduit 71
Section.Certainly, particle inlet conduit can also use reducer pipe, when particle is now injected into particle chamber 1 from particle inlet conduit
Particle need to be made at least to fill up a cross section of particle inlet conduit.The purpose of both modes be all to realize particle inlet conduit to
In particle chamber 1 granulation mass is provided by particle flow.Mozzle 2 is plugged in particle chamber 1, and mozzle 2 is inserted
In the granulation mass of particle chamber 1, mozzle 2 is used to import outer gas stream inside particle chamber 1；By delivery pipe 5 from mozzle 2
Inside insertion particle chamber 1 granulation mass in, delivery pipe 5 is used to convey the particle in particle chamber 1.To mozzle
Air-flow is passed through in 2, the superficial gas velocity that the air-flow being passed through into mozzle 2 is corresponded in delivery pipe 5 is not more than individual particle free settling
Speed, it is preferable that it is 0.8 times no more than individual particle free-falling velocity to be passed through the superficial gas velocity that air-flow is corresponded in delivery pipe 5,
It is achieved in low speed two-phase transportation.Air-flow entrained particles after mozzle 2 enters particle chamber 1 enter delivery pipe 5, particle is existed
In delivery pipe 5 gradually aggregation formed material bolt, with reference to mozzle 2 export gas-solid entrainment and particle chamber 1 in particle flow this
Therebetween the dynamic equilibrium that coordination reaches, realizes the automatic suberization in delivery pipe 5.The low speed two-phase transportation non-mechanical is certainly
Bolt method is moved into suitable for B classes particle and the Geldart-D particle of D class big particles, the larger D class non-stickies of the particle diameter that is particularly suitable for use in
The Geldart-D particle of particle.Preferably, the low speed two-phase transportation non-mechanical automatic suberization method is suitable for conveying particle diameter
0.5-10mm particle.
Preferably, in the present embodiment one, mozzle 2 is connected with air-flow chamber 3, by the air-flow in air-flow chamber 3
Import in particle chamber 1, air flow inlet 4 is set in air-flow chamber 3, to be passed through air-flow into air-flow chamber 3.Air-flow chamber 3 is set
Put and separated in the top of particle chamber 1, air-flow chamber 3 with particle chamber 1 with dividing plate 61.By mozzle 2 and delivery pipe 5 from particle
In the upper vertical insertion particle chamber 1 of chamber 1, mozzle 2 connects air-flow chamber 3 and particle chamber 1, delivery pipe 5 are then vertical
Through air-flow chamber 3, thus can realize vertically into bolt.The length that delivery pipe 5 is inserted in particle chamber 1 is inserted more than mozzle 2
Length in particle chamber 1, and the distance between the one end inserted in particle chamber 1 of delivery pipe 5 and particle chamber 1 are not less than
Grain five times of diameter, with the air-flow that ensures to be imported in particle chamber 1 by mozzle 2 can effectively entrained particles enter delivery pipe
In 5, so as to particle, aggregation forms material bolt in delivery pipe 5.
Further, in the present embodiment one, as shown in figure 1, the side wall in particle chamber 1 sets particle inlet conduit 71, and
The center line of particle inlet conduit 71 is with the horizontal angle.Preferably, between the center line and horizontal plane of particle inlet conduit 71
Angle is not less than 10 °, to ensure that particle is smoothly continuously flowed into particle chamber 1.Certainly, the set-up mode of particle inlet conduit is not
The side wall for being arranged on particle chamber 1 shown in Fig. 1 is confined to, other modes can also be used.As shown in Fig. 2 work as air-flow
When chamber 3 is arranged on the top of particle chamber 1, particle inlet conduit 72, particle inlet conduit can be set in the roof of particle chamber 1
72 extend vertically through air-flow chamber 3 and are connected with particle chamber 1.Certainly, particle inlet conduit 72 can also be not passed through air-flow chamber 3,
But the top that is disposed in parallel in particle chamber 1 separate with air-flow chamber 3, now particle inlet conduit and air-flow chamber 3
Do not connect.Thus, the set-up mode of the particle inlet conduit of the particle chamber 1 of this implementation one can be selected according to actual conditions
Select, so as to have stronger adaptability to the application environment of limited space, section space-efficient effect can be reached.
Further, in the present embodiment one, mozzle 2 and delivery pipe 5 are inserted particle chamber 1 one end carry out it is blunt
Processing, the exit of mozzle 2 and the porch of delivery pipe 5 is set to be respectively provided with the fillet or blunt that radius is 1-5mm, with reduction pair
Convey the abrasion or scuffing of particle.
The above-mentioned low speed two-phase transportation non-mechanical automatic suberization method of the present embodiment one, it is not necessary to the motion such as magnetic valve portion
Part expects the generation of bolt to control, but is directly entered delivery pipe 5 by low speed flow entrained particles, and makes particular aggregation over time shape
Into material bolt, and " fluidization " of mozzle 2 can reduce pressure drop and improve stability.This belongs into bolt method does not move
The automatic suberization method of part, wear extent of the bulky grain in course of conveying can be reduced, be greatly enhanced into the reliability of bolt,
Suitable for the bolt stream delivery application environment very high to reliability requirement, such as high temperature, high pressure, nuclear reactor engineering.
Embodiment two
As shown in figure 3, another embodiment of the low speed two-phase transportation non-mechanical automatic suberization method of the present invention.
The present embodiment two and embodiment one are essentially identical, and something in common repeats no more, and difference is, in the present embodiment
In two, mozzle 2 and delivery pipe 5 are inserted in particle chamber 1 from the inclined upward of particle chamber 1, mozzle 2 connects air flow chamber
Room 3 and particle chamber 1, delivery pipe 5, which then tilts, runs through air-flow chamber 3, and angle of inclination thus can be realized into bolt.
Embodiment three
As shown in figure 4, the third embodiment of the low speed two-phase transportation non-mechanical automatic suberization method of the present invention.
The present embodiment three and embodiment one are essentially identical, and something in common repeats no more, and difference is, in the present embodiment
In three, air-flow chamber 3 is arranged on the side of particle chamber 1, and air-flow chamber 3 is separated with particle chamber 1 with dividing plate 62.By mozzle
2 and delivery pipe 5 out of the sidewall horizontal of particle chamber 1 insertion particle chamber 1, mozzle 2 connects air-flow chamber 3 and particle chamber
1, delivery pipe 5 is then horizontal to run through air-flow chamber 3, thus can realize horizontal into bolt.
In the present embodiment three, particle inlet conduit 73 is vertically arranged in the roof of particle chamber 1, can by particle inlet conduit 73
Directly particle is imported into particle chamber 1.
In summary, low speed two-phase transportation non-mechanical automatic suberization method of the invention, it is not necessary to which magnetic valve etc. moves
Part expects the generation of bolt to control, but is directly entered delivery pipe 5 by low speed flow entrained particles, and makes particular aggregation over time
Material bolt is formed, and " fluidization " of mozzle 2 can reduce pressure drop and improve stability.This belongs into bolt method does not transport
The automatic suberization method of dynamic component, wear extent of the bulky grain in course of conveying can be reduced, is greatly enhanced into the reliable of bolt
Property, suitable for the bolt stream delivery application environment very high to reliability requirement, such as high temperature, high pressure, nuclear reactor engineering.This
Outside, due to delivery pipe 5 and the adaptability of the angle of horizontal plane broadness, low speed two-phase transportation non-mechanical automatic suberization of the invention
Method can meet vertically into bolt, horizontal into bolt and angle of inclination into a variety of application demands such as bolt.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
- A kind of 1. low speed two-phase transportation non-mechanical automatic suberization method, it is characterised in that set in the cavity wall of particle chamber Particle inlet conduit, particle is injected to form granulation mass into the particle chamber from the particle inlet conduit, in particle chamber Mozzle is plugged, delivery pipe is inserted in the granulation mass from the inside of the mozzle, low speed is passed through into the mozzle Air-flow, entrained particles enter the delivery pipe after air-flow enters the particle chamber, particle is assembled shape in the delivery pipe Into bolt is expected, between both particle flows in gas-solid entrainment and the particle chamber with reference to the draft tube outlets Coordinate the dynamic equilibrium reached, to realize the automatic suberization in the delivery pipe.
- 2. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that by described Grain inlet tube injects a cross section for making particle at least fill up the particle inlet conduit during particle into the particle chamber.
- 3. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that at described The side wall of grain chamber sets the particle inlet conduit, and the center line of the particle inlet conduit and the angle of horizontal plane are not less than 10°。
- 4. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that at described The roof of grain chamber sets the particle inlet conduit.
- 5. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that led described Flow tube is inserted in the granulation mass of the particle chamber.
- 6. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that the conveying Pipe inserts the length in the particle chamber and is more than the length that the mozzle is inserted in the particle chamber.
- 7. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that the conveying The distance between one end and the particle chamber in the pipe insertion particle chamber are not less than five times of particle diameter.
- 8. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that led described Flow tube is connected with air-flow chamber, and the air-flow in the air-flow chamber is imported in the particle chamber.
- 9. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that led described Flow tube and the delivery pipe are inserted in the particle chamber from the upper vertical of the particle chamber or inclination, or are led described Flow tube and the delivery pipe are inserted in the particle chamber from the sidewall horizontal of the particle chamber.
- 10. low speed two-phase transportation non-mechanical automatic suberization method according to claim 1, it is characterised in that to described The superficial gas velocity that the air-flow being passed through in mozzle is corresponded in the delivery pipe is not more than individual particle free-falling velocity.
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| CN201610146389.XA CN105600457B (en) | 2016-03-15 | 2016-03-15 | A kind of low speed two-phase transportation non-mechanical automatic suberization method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610146389.XA CN105600457B (en) | 2016-03-15 | 2016-03-15 | A kind of low speed two-phase transportation non-mechanical automatic suberization method |
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| CN105600457A CN105600457A (en) | 2016-05-25 |
| CN105600457B true CN105600457B (en) | 2018-02-09 |
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| CN110057221A (en) * | 2019-05-16 | 2019-07-26 | 北京盛赢节能技术有限公司 | Fluid-bed heat exchanger lower resistance end socket |
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| CN203143699U (en) * | 2013-03-26 | 2013-08-21 | 无锡锡南铸造机械有限公司 | Double-pot dense-phase pneumatic conveyor |
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| DE102013215183B3 (en) * | 2013-08-01 | 2014-09-11 | Horsch Maschinen Gmbh | Process for dosing granular material and granular dosing device |
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2016
- 2016-03-15 CN CN201610146389.XA patent/CN105600457B/en active Active
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| CN103666501A (en) * | 2012-09-04 | 2014-03-26 | 中国科学院工程热物理研究所 | Pyrolysis system and pyrolysis method for solid carbonic material |
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| CN203143699U (en) * | 2013-03-26 | 2013-08-21 | 无锡锡南铸造机械有限公司 | Double-pot dense-phase pneumatic conveyor |
| DE102013215183B3 (en) * | 2013-08-01 | 2014-09-11 | Horsch Maschinen Gmbh | Process for dosing granular material and granular dosing device |
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