CN112452227A - Two-stage static mixer for automatic production of neutral silicone adhesive - Google Patents
Two-stage static mixer for automatic production of neutral silicone adhesive Download PDFInfo
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- CN112452227A CN112452227A CN202011190102.6A CN202011190102A CN112452227A CN 112452227 A CN112452227 A CN 112452227A CN 202011190102 A CN202011190102 A CN 202011190102A CN 112452227 A CN112452227 A CN 112452227A
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- mixing head
- silicone adhesive
- static mixing
- static mixer
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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
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
- B01F33/811—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
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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
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a two-stage static mixer for automatically producing neutral silicone adhesive, which comprises a frame, wherein a feeding device, a primary static mixing head and a secondary static mixing head are arranged on the frame, the primary static mixing head comprises a main feeding hole, an auxiliary feeding hole and a discharging hole, the feeding device is communicated with the main feeding hole and a plurality of auxiliary feeding holes of the primary static mixing head, the secondary static mixing head comprises a feeding hole and a discharging hole, and the feeding hole is communicated with the discharging hole. The invention has the beneficial effects that: the invention makes the mixing effect better by using two static mixing heads connected in series to form a two-stage static mixer.
Description
Technical Field
The invention relates to a silicone adhesive production device, in particular to a static mixer.
Background
The traditional production process of the silicone sealant is to make a kneading machine and a three-roll grinder into a base material; after cooling, the glue is transferred through a material cylinder, fully and uniformly mixed with materials such as auxiliaries and the like in a planetary mixer or a powerful disperser to produce a barrel glue product, and then the barrel glue product is extruded by a press and packaged into finished glue through split charging equipment. However, since the silicone adhesive is a material which is easy to generate heat, after being stirred by the planetary stirrer, the silicone adhesive is easy to generate heat to affect the performance of the product. Therefore, in the prior art, the silicone adhesive is prepared by using a static mixer. However, the conventional static mixer has a complicated structure, and thus the mixing effect is not satisfactory, which affects the performance of the silicone adhesive.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: it is an object of the present invention to provide an automatic neutral silicone adhesive two-stage static mixer, which solves one or more of the problems of the prior art, and provides at least one advantageous alternative or creation.
The solution of the invention for solving the technical problem is as follows: neutral silicone adhesive automatic production two-stage static mixer, which comprises a frame, be equipped with feedway, the static mixing head of one-level and the static mixing head of second grade in the frame, the static mixing head of one-level includes main feed inlet, vice feed inlet and discharge gate, the feedway with the static mixing head's of one-level main feed inlet, the vice feed inlet intercommunication of a plurality of, the static mixing head of second grade includes pan feeding mouth and bin outlet, the pan feeding mouth with the discharge gate intercommunication.
The invention has the beneficial effects that: the invention makes the mixing effect better by using two static mixing heads connected in series to form a two-stage static mixer.
As a further improvement of the above technical scheme, the primary static mixing head comprises a central tube, a sleeve and a discharge tube, the sleeve is arranged outside the central tube, the discharge tube is arranged outside the sleeve, the central tube comprises a central cavity, an outer cavity is arranged between the inner wall of the sleeve and the outer wall of the central tube, the main feed port is communicated with the central cavity, and the auxiliary feed port is communicated with the outer cavity; one end of the discharge pipe is provided with a mixing cavity, the mixing cavity is communicated with the central cavity and the outer cavity, and the other end of the discharge pipe is communicated with the secondary static mixing head.
The static mixing head of one-level utilizes concentric principle, sends into base stock and other auxiliary materials that will mix from central vestibule and outer cavity respectively, then takes place static mixing in the hybrid chamber, goes in the static mixing head of next stage from the discharging pipe after mixing. Preferably, the central tube is flush with the discharge end face of the sleeve. Therefore, the base material and other materials enter the mixing cavity basically and synchronously, and the mixing effect is better.
As a further improvement of the technical scheme, the outer wall of the central tube is provided with an installation step, the end face of the sleeve abuts against the installation step, and a sealing structure is further arranged outside the installation step. The outer diameter change of the outer end of the central tube is utilized to realize the installation and fixation of the sleeve, the structure is simple, and the fixation is reliable.
As a further improvement of the technical scheme, the sealing structure comprises an anchor ear and a sealing ring, the sealing ring is sleeved on the outer surface of the central pipe, and the anchor ear is sleeved on the outer surface of the mounting step. Utilize the staple bolt to compress tightly the sealing washer, realize sealing connection. Prevent that the material from flowing away from the clearance of installation step.
As a further improvement of the technical scheme, the main feed inlet is formed in the periphery of the central tube, a blocking cover is arranged at one end of the central tube, and the blocking cover is detachably connected with the central tube. The central tube is arranged in a three-way tube mode, the main feed inlet is arranged on the periphery of the central tube, one end of the central tube is plugged by a plugging cover under the general condition, and the base material can be discharged from the other end of the central tube only, so that the base material and other materials are mixed. However, when the base stock formulation needs to be changed, the central tube can be cleaned from one end of the closure cap by opening the closure cap.
As a further improvement of the technical scheme, the secondary static mixing head comprises a pipe body, the pipe body comprises a hollow cavity, and a turbulence mechanism is arranged in the hollow cavity of the pipe body. The material that realizes after mixing from the static mixing head of one-level flows in the static mixing head of second grade, and the flow in-process passes through vortex mechanism, and the material is reciprocal staggered movement in vortex mechanism to make the mixing of material more even.
As a further improvement of the above technical solution, the turbulent flow mechanism includes a plurality of first partition plates and a plurality of second partition plates; the first partition plate and the second partition plate are arranged in a crossed mode at intervals up and down, a plurality of support columns are arranged between the first partition plate and the second partition plate, the outer contour surface of the first partition plate is matched with the inner wall surface of the hollow cavity, and a through hole is formed in the first partition plate; and a gap is formed between the outer contour surface of the second partition plate and the inner wall of the hollow cavity. When the material flows in the hollow cavity, the material firstly moves downwards from the through hole of the first partition plate and then enters a relative space between the first partition plate and the second partition plate, the space is provided with a plurality of supporting columns, when the surfaces of the supporting columns are contacted, the material is disturbed by the supporting columns and then flows into the next place from a gap between the second partition plate and the inner wall of the hollow cavity; and then enters again the opposite space formed by the first partition and the second partition of the next stage. The materials are fully mixed by the reciprocating flow.
As a further improvement of the technical scheme, a cooling jacket is also arranged outside the tube body. The cooling sleeve is arranged outside the pipe body, so that friction heat generated by the material and the turbulence mechanism can be taken away in the moving process. Maintaining a relatively normal temperature of the material.
As a further improvement of the technical scheme, a pressurizing mechanism is further arranged between the secondary static mixing head and the primary static mixing head. Because the viscidity of material is big, in order to make the material can flow smoothly in the static mixing head of second grade, through increasing booster mechanism, improve the pressure when the material gets into the static mixing head of second grade, guarantee the normal of the flow of material.
As a further improvement of the above technical solution, the feeding device comprises a dosing cylinder. Through setting up quantitative jar, can be so that the realization ratio that the material is accurate mixes when producing.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a primary static mixing head of the present invention;
FIG. 3 is a cross-sectional view of a one-stage static mixing head of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is another cross-sectional view of the primary static mixing head of the present invention;
FIG. 6 is a schematic structural view of a two-stage static mixing head of the present invention;
FIG. 7 is a cross-sectional view of a two-stage static mixing head of the present invention;
FIG. 8 is a schematic diagram of the internal structure of the two-stage static mixing head of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. The drawings illustrate a preferred embodiment of the invention and, together with the description, serve to complement the description with figures so that the person may visually and vividly understand each and every feature and every technical solution of the invention, but are not to be construed as limiting the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions. Meanwhile, all technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1-8, neutral silicone adhesive automatic production two-stage static mixer, including frame 100, be equipped with feedway 200, one-level static mixing head 300 and second grade static mixing head 400 in the frame, one-level static mixing head 300 includes main feed inlet 301, vice feed inlet 302 and discharge gate 303, feedway 200 with the static main feed inlet 301, the vice feed inlet 302 intercommunication of mixing head 300 of one-level, second grade static mixing head 400 includes pan feeding mouth 401 and bin outlet 402, pan feeding mouth 401 with discharge gate 303 communicates.
Further as a preferred embodiment, the primary static mixing head 300 comprises a central tube 310, a sleeve 320 and a discharge tube 330, the sleeve 320 is arranged outside the central tube 310, the discharge tube 330 is arranged above the outside of the sleeve 320, the central tube 310 comprises a central cavity 311, an outer cavity 321 is arranged between the inner wall of the sleeve 320 and the outer wall of the central tube 310, the primary feed inlet 301 is communicated with the central cavity 311, and the secondary feed inlet 302 is communicated with the outer cavity 321; one end of the discharge pipe 330 is provided with a mixing cavity 331, the mixing cavity 331 is communicated with the central cavity 311 and the outer cavity 321, and the other end of the discharge pipe 330 is communicated with the secondary static mixing head 400. Preferably, there are two sleeves 320, namely an inner sleeve 323 and an outer sleeve 322, the inner sleeve 323 is sleeved outside the central tube 310, the outer sleeve 322 is sleeved outside the inner sleeve 323, and the outlet pipe 330 is sleeved outside the outer sleeve 322.
Further as a preferred embodiment, the outer wall of the central tube 310 is provided with a mounting step 312, the end surface of the sleeve 320 abuts against the mounting step 312, and the mounting step 312 is further provided with a sealing structure 340.
Further as a preferred embodiment, the sealing structure 340 includes a hoop and a sealing ring, the sealing ring is sleeved on the outer surface of the central tube, and the hoop is sleeved on the outer surface of the mounting step 312.
Further as a preferred embodiment, the main feeding hole 301 is disposed on the outer circumference of the central tube 310, a blocking cover 350 is disposed at one end of the central tube 310, the blocking cover 350 is disposed below the central tube 310, and a sealing ring is disposed on the blocking cover 350. The containment cap 350 is removably attached to the center tube 310.
Further as a preferred embodiment, the two-stage static mixing head 400 comprises a tube body 410, the tube body 410 comprises a hollow cavity 411, and a flow disturbing mechanism 420 is arranged in the hollow cavity 411 of the tube body 410.
Further as a preferred embodiment, the disturbing flow mechanism 420 includes a plurality of first partition plates 421 and a plurality of second partition plates 422; the first partition board 421 and the second partition board 422 are arranged in a crossed manner at intervals up and down, a plurality of support columns 423 are arranged between the first partition board 421 and the second partition board 422, the outer contour surface of the first partition board 421 is matched with the inner wall surface of the hollow cavity 411, and a through hole 424 is formed in the first partition board 421; a gap 425 is formed between the outer contour surface of the second partition 422 and the inner wall of the hollow cavity 411.
Further, in a preferred embodiment, a cooling jacket 430 is further disposed outside the pipe 410.
Further in a preferred embodiment, a pressurizing mechanism 500 is further provided between the two-stage static mixing head 400 and the one-stage static mixing head 300.
Further as a preferred embodiment, said feeding means 200 comprises a dosing cylinder.
During operation, the static mixer is communicated with peripheral equipment, the base material, the pigment and the agent are communicated with the feeding device 200, the feeding device 200 comprises three quantitative cylinders, and the feeding device 200 feeds quantitative proportioning materials into the first-stage static mixing head 300 for automatic production of neutral silicone adhesive during each action.
The central tube 310 sequentially comprises a feeding section, a connecting section and an extending section from bottom to top, wherein the outer diameter of the feeding section is larger than that of the connecting section, and the outer diameter of the connecting section is larger than that of the extending section. The mounting step 312 is disposed between the feeding section and the connecting section. The main feed inlet 301 is arranged at the outer end of the feeding section. And the secondary feed port 302 is disposed at the outer end of the inner sleeve 323. The inner diameter of the inner sleeve 323 is basically the same as the outer diameter of the connecting section, two sealing ring grooves are arranged outside the connecting section, and sealing rings are arranged in the sealing ring grooves during installation. The inner sleeve 323 is then slipped into the central tube 310, so that the inner wall of the inner sleeve 323 is connected to the outer wall of the connection piece, while the end face of the inner sleeve 323 bears against the mounting step 312. Then, the hoop 340 is arranged outside the mounting step 312, after the hoop 340 is locked, the hoop 340 provides tension force, so that the sealing ring is extruded, the sealing between the central tube 310 and the inner sleeve 323 is realized, and the pigment entering the inner sleeve 323 from the auxiliary feed inlet 302 only can move towards the upper end due to the fact that the lower end is sealed. Similarly, the connection structure of the outer sleeve 322 and the inner sleeve 323 is similar to the connection structure of the inner sleeve and the central tube 310; the connection of the outlet pipe 330 to the outer jacket 322 is also similar. Meanwhile, the outer sleeve 322 is also provided with the auxiliary feed inlet 302. During feeding, the base material is fed into the central tube 310 from the main feed inlet 301, the pigment is fed into the auxiliary feed inlet 302 outside the inner sleeve 323 to the outer cavity 321 between the central tube 310 and the inner sleeve 323 and the central tube 310, and the pigment is fed into the cavity between the inner sleeve 323 and the outer sleeve 322 through the auxiliary feed inlet 302 outside the outer sleeve 322. After the materials are introduced, the materials all move from bottom to top, the base materials, the pigments and the agents are converged in a mixing cavity 331 of a discharge pipe 330, and after the base materials, the pigments and the agents are converged, first mixing is formed in the mixing cavity 331.
The primarily mixed materials enter the secondary static mixing head 400 along the communicating pipe.
The tube body 410 of the second-stage static mixing head 400 is provided with a hollow cavity 411, and a first partition board 421, a second partition board 422, a first partition board 421 and a second partition board 422 … … which are in a round cake shape are sequentially arranged in the hollow cavity 411 from top to bottom. The first separator 421 and the second separator 422 are connected by a plurality of support pillars 423, meanwhile, a through hole 424 is arranged at the center of the first separator 421, and the outer diameter of the second separator 422 is smaller than the inner diameter of the hollow cavity 411, so that a gap 425 is formed between the second separator 422 and the hollow cavity 411. And the second partition 422 is completely planar (i.e., the surface is not provided with through holes).
The material entering the two-stage static mixing head 400 from the one-stage static mixing head 300 passes through the first baffle 421 of the uppermost stage first, and since the outer diameter of the first baffle 421 is substantially equal to the inner diameter of the hollow chamber 411, the material can fall into the second baffle 422 below only from the through hole 424 at the center of the first baffle 421. And because a gap is formed between the second partition 422 and the hollow cavity 411, the material can only continuously flow downwards from the periphery of the second partition 422. Because there are a plurality of support columns 423 between second baffle 422 and first baffle 421, when the material outwards moved from the center, need pass through a plurality of support columns 423 to collide with a plurality of support columns 423, and the collision in-process can make the material obtain the mixture. Then, the material continues to flow downwards and enters the first baffle 421 of the next stage, and because the through hole 424 is formed in the middle of the first baffle 421, the material can only flow from the outside to the inside, and when flowing, the material passes through the plurality of support pillars 423 again and is disturbed by the support pillars 423 again, so that the mixing effect is achieved. In this way, when the materials flow in the two-stage static mixing head 400, the materials repeatedly flow from inside to outside and from outside to inside, and finally, after multi-stage mixing, an ideal mixing effect is achieved.
However, since the material flows, the pressure loss is large because, in order to improve the fluidity of the material in the secondary static mixer head 400, the material is pressurized by the pressurization mechanism 500 in the present embodiment, for example, after the material comes out from the primary static mixer head 300, the material first enters the pressurization mechanism 500 (for example, a pressurization oil cylinder), and then the pressurization mechanism 500 pushes the material into the secondary static mixer head 400. Then, the gravity action of the materials is matched, so that the materials can smoothly flow in the secondary static mixing head 400.
While the material flows in the secondary static mixing head 400, it is easy to generate heat due to frictional collision with the support columns. In order to take away the heat of the part, a cooling jacket 430 is sleeved outside the tube body 410 of the secondary static mixing head 400, cooling liquid is introduced between the cooling jacket 430 and the tube body 410, and the cooling liquid is used for taking away the heat of the tube body 410, so that the temperature of the material is reduced.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.
Claims (10)
1. Neutral silicone adhesive automatic production two-stage static mixer which characterized in that: the improved static mixer comprises a frame, be equipped with feedway, the static mixing head of one-level and the static mixing head of second grade in the frame, the static mixing head of one-level includes main feed inlet, vice feed inlet and discharge gate, the feedway with the static mixing head of one-level's main feed inlet, vice feed inlet intercommunication, the static mixing head of second grade includes pan feeding mouth and bin outlet, the pan feeding mouth with the discharge gate intercommunication.
2. The automatic neutral silicone adhesive two-stage static mixer of claim 1, wherein: the primary static mixing head comprises a central tube, a sleeve and a discharge tube, the sleeve is arranged outside the central tube, the discharge tube is arranged outside the sleeve, the central tube comprises a central cavity, an outer cavity is arranged between the inner wall of the sleeve and the outer wall of the central tube, the main feed port is communicated with the central cavity, and the auxiliary feed port is communicated with the outer cavity; one end of the discharge pipe is provided with a mixing cavity, the mixing cavity is communicated with the central cavity and the outer cavity, and the other end of the discharge pipe is communicated with the secondary static mixing head.
3. The automatic neutral silicone adhesive two-stage static mixer of claim 2, wherein: the outer wall of the central tube is provided with an installation step, the end face of the sleeve abuts against the installation step, and a sealing structure is further arranged outside the installation step.
4. The automatic neutral silicone adhesive two-stage static mixer of claim 3, wherein: the sealing structure comprises a hoop and a sealing ring, wherein the sealing ring is sleeved on the outer surface of the central pipe, and the hoop is sleeved on the outer surface of the mounting step.
5. The automatic neutral silicone adhesive two-stage static mixer of claim 2, wherein: the main feed inlet is arranged on the periphery of the central tube, a blocking cover is arranged at one end of the central tube, and the blocking cover is detachably connected with the central tube.
6. The automatic neutral silicone adhesive two-stage static mixer of claim 1, wherein: the static mixing head of second grade includes the body, the body includes hollow chamber, be equipped with vortex mechanism in the hollow chamber of body.
7. The automatic neutral silicone adhesive two-stage static mixer of claim 6, wherein: the turbulence mechanism comprises a plurality of first partition plates and a plurality of second partition plates; the first partition plate and the second partition plate are arranged in a crossed mode at intervals up and down, a plurality of support columns are arranged between the first partition plate and the second partition plate, the outer contour surface of the first partition plate is matched with the inner wall surface of the hollow cavity, and a through hole is formed in the first partition plate; and a gap is formed between the outer contour surface of the second partition plate and the inner wall of the hollow cavity.
8. The automatic neutral silicone adhesive two-stage static mixer of claim 6, wherein: and a cooling jacket is also arranged outside the tube body.
9. The automatic neutral silicone adhesive two-stage static mixer of claim 1, wherein: and a supercharging mechanism is also arranged between the second-stage static mixing head and the first-stage static mixing head.
10. The automatic neutral silicone adhesive two-stage static mixer of claim 1, wherein: the feeding device comprises a dosing cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190102.6A CN112452227B (en) | 2020-10-30 | 2020-10-30 | Two-stage static mixer for automatically producing neutral silicone adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011190102.6A CN112452227B (en) | 2020-10-30 | 2020-10-30 | Two-stage static mixer for automatically producing neutral silicone adhesive |
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| CN112452227A true CN112452227A (en) | 2021-03-09 |
| CN112452227B CN112452227B (en) | 2022-11-15 |
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| CN111001324A (en) * | 2019-11-15 | 2020-04-14 | 中核新科（天津） 精密机械制造有限公司 | Static mixer for high-viscosity liquid-phase materials |
| CN211586396U (en) * | 2019-12-26 | 2020-09-29 | 佛山市金银河智能装备股份有限公司 | Static mixer suitable for viscosity peak material |
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2020
- 2020-10-30 CN CN202011190102.6A patent/CN112452227B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050094482A1 (en) * | 2003-10-31 | 2005-05-05 | Nordson Corporation | Method and apparatus for producing closed cell foam |
| CN101935116A (en) * | 2010-07-22 | 2011-01-05 | 北京交通大学 | Non-degradable organic wastewater treatment method, photocatalysis reactor and micropore static pipeline mixer |
| CN203264575U (en) * | 2013-05-29 | 2013-11-06 | 常州市长丰塑料有限公司 | Double-tube type static mixer |
| CN108151569A (en) * | 2017-12-20 | 2018-06-12 | 佛山市金银河智能装备股份有限公司 | A kind of static state cooling system and its operation method |
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| CN112452227B (en) | 2022-11-15 |
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