CN115228316A - Ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method and homogenizing head - Google Patents
Ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method and homogenizing head Download PDFInfo
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- CN115228316A CN115228316A CN202210971990.8A CN202210971990A CN115228316A CN 115228316 A CN115228316 A CN 115228316A CN 202210971990 A CN202210971990 A CN 202210971990A CN 115228316 A CN115228316 A CN 115228316A
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- 238000010008 shearing Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004880 explosion Methods 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000007787 solid Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 238000005422 blasting Methods 0.000 abstract description 3
- 239000002086 nanomaterial Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007709 nanocrystallization Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
- B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
- B02C19/066—Jet mills of the jet-anvil type
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The utility model provides an ultrahigh pressure efflux beam striking, empty blasting, shearing combined type homogeneity method and homogeneity head, characterized by homogeneity head include feed end (1) and impact platform (2), be equipped with nozzle (3) in feed end (1), the entrance point of nozzle (3) is linked together with the exit end of ultrahigh pressure liquid mixing pump, the exit end of nozzle (3) is relative with impact platform (2), impact platform (2) insert in feed end (1), form one between impact platform (2) top surface and feed end (1) and supply solid particle striking and empty space (4) of exploding, form gap (5) that the microgap supplied solid particle extrusion to cut to pass through between impact platform (2) global and feed end (1), this gap (5) are linked together with discharge gate (6), discharge gate (6) are linked together with recovery unit. The method has the advantages of simple structure, high homogenizing efficiency and good effect.
Description
Technical Field
The invention relates to a homogenizing (crushing) technology, in particular to a homogenizing head technology capable of realizing micro-nano crushing, and specifically relates to a superhigh pressure jet beam impacting, air blasting and shearing combined homogenizing method and a homogenizing head.
Background
At present, the homogenization technology is widely applied to the manufacture of micro-nano materials in the industries of new energy, food, chemical industry, biological pharmacy and the like. The basic principle is that the material mixed in liquid is conveyed to a homogenizing head by using ultrahigh pressure jet beams as driving force, and strong impact, shearing and empty explosion effects are generated in the process of passing through the homogenizing head, so that liquid substances or solid particles taking liquid as a carrier are crushed and ultra-refined. The key of the homogenizing device is a high-pressure pump and a homogenizing head. The running pressure of an ultra-high pressure pump and a homogenizing head for a homogenizer in the current market is more than 100 to 200MPa, the using flow is more than 0.10.25L/min, the system power is more than 10kW, and the ultra-high pressure pump and the homogenizing head are mainly used for laboratory occasions; the products with higher partial power are also used in the food processing industry, and the operating pressure of the products is below 100 MPa. With the market demand of nano processing of many materials, the pressure, flow rate, power and the like of the existing homogenizer are difficult to meet the market use requirements, and must be improved.
Disclosure of Invention
The invention aims to provide a method for carrying out composite homogenization by impacting, empty blasting and shearing by using an ultrahigh-pressure jet beam and simultaneously provide a corresponding homogenizing head, aiming at the problem that the flow, pressure and power of the homogenizing head for the existing homogenizer can not meet the requirements of nanocrystallization processing.
One of the technical schemes of the invention is as follows:
an ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method is characterized by comprising the following steps:
firstly, pressurizing a solid-liquid mixture containing less than 10 percent of micron-sized solid raw materials to the ultrahigh pressure of 200 to 400MPa by an ultrahigh pressure pump;
then, the solid-liquid mixture is sent into a medium inlet of a homogenizing head, an ultrahigh pressure jet beam is formed after the solid-liquid mixture passes through a nozzle, the flow speed of the jet beam reaches 800 to 1000m/s, the jet beam collides with a reflecting seat after passing through the nozzle, under the impact force action of a supersonic speed jet beam, solid materials in the jet beam are crushed due to impact kinetic energy generated by collision, and granular materials are crushed due to instantaneous decompression and air explosion at the same time and flow along with the jet beam;
thirdly, the solid-liquid mixture after colliding the wall is extruded from the micro-gap between the nozzle and the reflecting seat, and particles are extruded from the micro-gap around the reflecting seat in the process, and the extrusion effect can form shearing force to further break the particle materials; after passing through the micro-gap shearing area, the solid-liquid mixture reaching the nano level enters a recovery device for further treatment due to pressure relief and speed reduction.
The caliber of the nozzle is 0.1-0.5 mm, and the size of the caliber of the nozzle 5 is selected according to the properties of the material and the medium to be processed, the processing requirement and the capacity of a homogenizer.
The distance between the nozzle and the reflection seat, namely the wall collision target distance, is 2 to 5mm, and is selected according to the hardness of the solid raw material.
The single crushing effect is 30 to 50 percent, so the step can be repeated to homogenize and crush 2~4 times to achieve more than 98 percent of effect according to the property and the crushing effect requirement of the processed solid raw material.
The second technical scheme of the invention is as follows:
the utility model provides an ultrahigh pressure efflux beam striking, empty explodes, shearing combined type homogeneity head, its characterized in that includes feed end 1 and impact platform 2, be equipped with nozzle 3 in the feed end 1, the entrance point of nozzle 3 is linked together with the exit end of high-pressure liquid mixing pump, the exit end of nozzle 3 is relative with impact platform 2, impact platform 2 and insert in the feed end 1, impact 2 top surfaces of platform and feed end 1 between form one and supply solid particle striking and empty space 4 that explodes, 1 between impact platform 2 global and the feed end 1 and form the clearance 5 that the microgap supplied solid particle extrusion shearing to pass through, this clearance 5 is linked together with discharge gate 6, discharge gate 6 is linked together with recovery unit.
The nozzle 3 consists of a frustum-shaped feeding end and a circular spraying pipe section.
The distance between the nozzle 3 and the impact table 2 is 2 to 5mmm and can be adjusted.
The invention has the beneficial effects that:
the invention adopts an ultrahigh pressure pump system, the highest working pressure can reach 400MPa, the system power can reach 55kW, and the maximum use flow is 6L/min. The invention provides novel process equipment for producing micro-nano materials for various industries and fields in society, can solve the problems of micro-nano production and manufacture of extensive materials such as current domestic new energy, electronics, petrochemical industry, biological pharmacy, food, cosmetics, textile printing and dyeing, novel solvents and coatings, ecological agriculture fertilizer making pharmacy, novel engineering materials and the like, and meets the requirements of micro-nano material application in various industries and fields; meanwhile, the device has higher working pressure and system power, not only can be used for research and test of a laboratory, but also can be used for industrial production of micro-nano materials in various industries and fields; meanwhile, the method fills up the domestic blank, completely replaces import, and reaches the international advanced level.
Drawings
Fig. 1 is a schematic view of the homogenization principle of the present invention.
Fig. 2 is a schematic structural view of the homogenizing head of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
The first embodiment.
As shown in fig. 1.
An ultrahigh pressure jet beam impact, air explosion and shearing combined homogenizing method comprises the following steps: pressurizing a solid-liquid mixture containing less than 10% of micron-sized solid raw materials to ultrahigh pressure of 200 to 400MPa by a high-pressure pump, then sending the mixture into a medium inlet of a homogenizing head, forming ultrahigh-pressure jet beams after the solid-liquid mixture passes through a nozzle, wherein the flow rate of the jet beams reaches 800 to 1000m/s, colliding the jet beams with a reflecting seat after passing through the nozzle, crushing solid materials in the jet beams due to impact kinetic energy generated by collision under the action of impact force of supersonic jet beams, and crushing the granular materials due to instantaneous decompression and air explosion at the same time, wherein the granular materials flow along with the jet beams; the solid-liquid mixture after colliding the wall flows out from the micro-gap between the nozzle and the reflecting seat, and particles are extruded out from the micro-gap around the reflecting seat in the process, and the extrusion effect can form shearing force to further crush the particle materials; after passing through the micro-gap shearing area, the nano-scale solid-liquid mixture enters a recovery device for further treatment due to pressure relief and speed reduction. In specific implementation, the nozzle diameter can be selected according to the characteristics, medium properties and processing requirements of the material to be processed and the capacity of a homogenizer, and is generally 0.1 to 0.5mm. The distance between the nozzle and the reflection seat, namely the collision wall target distance, can be selected according to the properties such as medium hardness and the like, and is generally 2 to 5mm5 and can be adjusted.
The micro-nano material processed by the crushing method has a single crushing effect of 30-50% generally, so that the micro-nano material can be subjected to homogeneous crushing for 2~4 times to achieve an effect of more than 98% according to the property and the crushing effect requirement of the processed material.
Example two.
As shown in fig. 2.
A super-high pressure jet beam impact, air explosion and shearing combined homogenizing head comprises a feed end 1 and an impact table 2, wherein a nozzle 3 is arranged in the feed end 1, and the nozzle 3 consists of a frustum-shaped feed section and a circular spray pipe section. The feed end of nozzle 3 is linked together with the exit end of high-pressure liquid mixing pump, the exit end of nozzle 3 is relative with impact table 2, impact table 2 inserts in feed end 1 distance between the two adjustable so that same homogenizing head can adapt to different types of solid particle, form one between 2 top surfaces of impact table and the feed end 1 and supply solid particle striking and empty space 4 that explodes, impact table 2 is global and this clearance 5 that forms 1 microgap between the feed end 1 and supplies solid particle extrusion shearing to pass through between 1, this clearance 5 is linked together with discharge gate 6, discharge gate 6 is linked together with recovery unit. The nozzle 3 and the impact table 2. In specific implementation, the insertion end of the impact table 2 can be designed into a frustum-shaped structure, and the size of the gap can be adjusted while the impact distance is adjusted through the change of the insertion depth. The adjustment of the size of the gap can also be realized by sleeving a corresponding shaft sleeve on the inserting end of the impact table.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (7)
1. An ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method is characterized by comprising the following steps:
firstly, pressurizing a solid-liquid mixture containing micron-sized solid raw materials less than 10% to ultrahigh pressure of 200 to 400MPa by a high-pressure pump;
then, the solid-liquid mixture is sent into a medium inlet of a homogenizing head, an ultrahigh pressure jet beam is formed after the solid-liquid mixture passes through a nozzle, the flow speed of the jet beam reaches 800 to 1000m/s, the jet beam collides with a reflecting seat after passing through the nozzle, under the impact force action of a supersonic speed jet beam, solid materials in the jet beam are crushed due to impact kinetic energy generated by collision, and granular materials are crushed due to instantaneous decompression and air explosion at the same time and flow along with the jet beam;
thirdly, the solid-liquid mixture after colliding the wall flows out from the gap between the nozzle and the reflecting seat, and particles are extruded out from micro gaps around the reflecting seat in the process, and the extrusion effect can form shearing force to further crush the particle materials; after passing through the gap shearing zone, the solid-liquid mixture reaching the nanometer level enters a recovery device for further treatment due to pressure relief and speed reduction.
2. The method of claim 1, further comprising: the caliber of the nozzle is 0.1-0.5 mm, and the caliber of the nozzle is selected according to the attribute and the processing requirement of a processed medium and the capacity of a homogenizer.
3. The method of claim 1, further comprising: the distance between the nozzle and the reflection seat, namely the wall collision target distance is 2-5 mm, and is selected according to the hardness of the solid raw material.
4. The method of claim 1, further comprising: the single crushing effect is 30 to 50 percent, so the steps can be repeated according to the property and the crushing effect requirement of the processed solid raw material, and the homogeneous crushing of the solid raw material is 2~4 times, and the crushing effect can reach more than 98 percent.
5. The utility model provides an ultra-high pressure efflux beam striking, combined type homogeneity head of shearing, it includes feed end (1) and strikes platform (2) characterized by, be equipped with nozzle (3) in feed block (1), the entrance point of nozzle (3) is linked together with the exit end of ultra-high pressure liquid mixing pump, the exit end of nozzle (3) is relative with striking platform (2), strike platform (2) and insert in feed end (1), it supplies solid particle striking and space (4) of air explosion to form one between platform (2) top surface and feed end (1), it supplies 1 small clearance (5) that solid particle extrusion shearing passes through to form between platform (2) global and feed end body (1), this clearance (5) are linked together with discharge gate (6), discharge gate (6) are linked together with recovery unit.
6. The ultra-high pressure jet beam impact, air blast and shear composite homogenizing head of claim 5, which is characterized in that: the nozzle (3) consists of a frustum-shaped inlet section and a circular nozzle pipeline section.
7. The ultra-high pressure jet beam impact, air blast, shear composite homogenizing head of claim 5, wherein: the distance between the nozzle (3) and the impact table (2) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971990.8A CN115228316A (en) | 2022-08-15 | 2022-08-15 | Ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method and homogenizing head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971990.8A CN115228316A (en) | 2022-08-15 | 2022-08-15 | Ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method and homogenizing head |
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| CN115228316A true CN115228316A (en) | 2022-10-25 |
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| CN202210971990.8A Pending CN115228316A (en) | 2022-08-15 | 2022-08-15 | Ultrahigh pressure jet beam impact, air explosion and shearing combined type homogenizing method and homogenizing head |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203710932U (en) * | 2014-01-10 | 2014-07-16 | 绍兴吉能纳米科技有限公司 | Homogenizing valve with multi-passage nozzle |
| CN208057993U (en) * | 2018-04-16 | 2018-11-06 | 上海申鹿均质机有限公司 | homogenizing valve |
| CN213221696U (en) * | 2020-09-02 | 2021-05-18 | 天津市万紫千红生物科技有限责任公司 | Homogenizing valve device for processing emulsion |
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2022
- 2022-08-15 CN CN202210971990.8A patent/CN115228316A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203710932U (en) * | 2014-01-10 | 2014-07-16 | 绍兴吉能纳米科技有限公司 | Homogenizing valve with multi-passage nozzle |
| CN208057993U (en) * | 2018-04-16 | 2018-11-06 | 上海申鹿均质机有限公司 | homogenizing valve |
| CN213221696U (en) * | 2020-09-02 | 2021-05-18 | 天津市万紫千红生物科技有限责任公司 | Homogenizing valve device for processing emulsion |
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