CN112742332A - High-shearing-performance reaction kettle for producing PVC (polyvinyl chloride) terminator and working method thereof - Google Patents
High-shearing-performance reaction kettle for producing PVC (polyvinyl chloride) terminator and working method thereof Download PDFInfo
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- CN112742332A CN112742332A CN202110136472.XA CN202110136472A CN112742332A CN 112742332 A CN112742332 A CN 112742332A CN 202110136472 A CN202110136472 A CN 202110136472A CN 112742332 A CN112742332 A CN 112742332A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
Abstract
A high shearing performance for producing a PVC terminator and a working method thereof comprise a reaction kettle barrel, a reaction kettle barrel cover, a stirring structure assembly, a feeding structure, a discharging structure, a feeding structure, a heating structure and a cooling structure; the stirring structure assembly comprises a motor, a coupler, a stirring structure and a bearing seat; the stirring structure comprises a rotating shaft, a stirring blade structure and a stirring paddle structure; the stirring blade structure comprises a blade fixing seat and blades; the radial cross section of the blade is arranged in a semicircular mode, and a first distributing groove and a second distributing groove are formed in the axial position of the blade. The PVC terminator raw materials are sequentially placed into the reaction kettle barrel through the feeding structure, the stirring structure assembly is used for stirring, some catalysts and other raw materials are added through the feeding structure in the reaction process, the heating structure and the cooling structure are used for adjusting the temperature of the reaction kettle barrel according to the requirements of the raw materials on the reaction temperature in different stages, the reaction is promoted to be effectively carried out, and the PVC terminator obtained through the reaction is discharged from the discharging structure.
Description
Technical Field
The invention relates to the field of production of PVC (polyvinyl chloride) terminators, in particular to a high-shear-performance reaction kettle for producing PVC terminators and a working method thereof.
Background
Terminating agents, also known as chain terminators, are materials that react rapidly with the initiator (or catalyst) or chain-lengthening chain, effectively destroying its activity and terminating the polymerization reaction. The PVC terminator is added in time in the PVC production process, so that the polymerization reaction is terminated, a high-quality polymer product with uniform molecular weight and stable molecular structure can be obtained, and the terminator not only plays a role in eliminating the active center of a system, but also has a function of preventing aging.
In the production process of the PVC terminator, a series of chemical reactions are required to be carried out in an enamel kettle so as to obtain a high-quality PVC terminator product.
The reaction kettle used for producing the PVC terminator at present has the following defects: 1) when in stirring, the stirring uniformity and the stirring efficiency of the raw materials are poor, so that the stirring work needs a longer time, and the working efficiency is lower; 2) during stirring, the acting force that parts such as pivot, stirring vane of stirring structure received at the stirring in-process is great, after stirring for a long time, phenomenons such as bending deformation appear easily to not only influence stirring efficiency, increased spare part consume and cost of maintenance moreover.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a high-shear-performance reaction kettle for producing a PVC terminator and a working method thereof, and solves the existing problems.
The technical scheme is as follows: the invention provides a high-shearing-performance reaction kettle for producing a PVC terminator and a working method thereof, and the reaction kettle comprises a reaction kettle barrel, a reaction kettle barrel cover, a stirring structure assembly, a feeding structure, a discharging structure, a feeding structure, a heating structure and a cooling structure, wherein the reaction kettle barrel cover is arranged right above the reaction kettle barrel, the stirring structure assembly is arranged on the reaction kettle barrel cover and positioned in the middle of the reaction kettle barrel, the feeding structure and the discharging structure are arranged on the reaction kettle barrel cover and positioned on two sides of the stirring structure assembly, the feeding structure is arranged on the side edge of the reaction kettle barrel, the heating structure is arranged below the reaction kettle barrel, and the cooling structure is arranged on the reaction kettle barrel cover and positioned on the side edge of the stirring structure assembly; the stirring structure assembly comprises a motor, a coupler, a stirring structure and a bearing seat, wherein the shaft end of the motor is connected with one end of the stirring structure arranged on the bearing seat through the coupler; the stirring structure comprises a rotating shaft, a stirring blade structure and a stirring paddle structure, wherein the stirring blade structure comprises a plurality of groups which are arranged on the rotating shaft at equal intervals, and the stirring paddle structure is arranged at one end of the rotating shaft, which is far away from the bearing block; the stirring blade structure comprises blade fixing seats and blades, wherein the blades are divided into six groups, and the six groups of blades are arranged on the blade fixing seats in a circumferential array by taking the centers of the blade fixing seats as axes; the radial cross section of each blade is arranged in a semicircular way; the axial position of the blade is provided with a first distributing groove and a second distributing groove which are arranged on the blade in parallel. The reation kettle barrel is put into in proper order through feed structure to the PVC terminator raw materials, then the stirring structure assembly stirs the work, along with the going on of reaction, the reation kettle barrel is added to through reinforced structure to raw materials such as some catalysts in, thereby react, according to the needs of PVC terminator at the reaction temperature in different stages, change the temperature of reation kettle barrel through heating structure and cooling structure, thereby promote the effective of reaction and go on, after the reaction, the PVC terminator that generates carries out the ejection of compact from ejection of compact structure. The epaxial stirring vane structure of stirring structure stirs the mixing action to the PVC terminator raw materials in the reation kettle, and the stirring rake structure of bottom has both played the stirring effect, has also avoided PVC terminator raw materials to pile up in reation kettle barrel bottom, has improved the utilization ratio of whole reaction efficiency and raw materials. The radial cross section of the blade of stirring vane structure is the semicircle ring setting, to the contact of PVC terminator raw materials when having improved the stirring, has improved the effort to the raw materials when stirring, and first branch silo on the blade, second divide the silo then to play better dispersion effect of dissecting to PVC terminator raw materials to obtain high shear capacity, finally improved reaction efficiency.
Further, the stirring rake structure includes mount, first stirring rake structure, second stirring rake structure, first supporting wheel structure, second supporting wheel structure, first stirring rake structure, second stirring rake structure set up on the mount side by side, second stirring rake structure, first supporting wheel structure set up in the mount below side by side. First stirring rake structure, second stirring rake structure play certain stirring effect to the PVC terminator raw materials of reation kettle barrel bottom, avoid the raw materials to pile up in reation kettle barrel bottom, thereby the efficiency of reaction and the quality of reaction have been improved, first supporting wheel structure, second supporting wheel structure have played certain direction supporting role to stirring structure assembly at the stirring in-process, avoid the isometric time of pivot to appear warping etc. in stirring in-process atress, thereby the life of spare part has been improved.
Further, the mount includes first solid fixed ring, first support, second support sets up respectively in first solid fixed ring both sides.
Further, first stirring rake structure, second stirring rake structure are the same, first stirring rake structure includes the solid fixed ring of second, first paddle, second paddle sets up the solid fixed ring both sides of second respectively.
Further, the first blade and the second blade are obliquely arranged.
Furthermore, the inclination directions of the first blade and the second blade on the first stirring paddle structure are opposite to the inclination directions of the first blade and the second blade on the second stirring paddle structure. The raw materials of the PVC terminator are stirred in different directions and angles, so that the mixing uniformity of the raw materials is improved, and the reaction efficiency is improved.
Furthermore, the first supporting wheel structure and the second supporting wheel structure are the same in structure, the first supporting wheel structure comprises a first bearing seat, a second bearing seat and a roller, and the first bearing seat and the second bearing seat are arranged at two ends of the roller in parallel. The roller rotates under the support of first bearing frame, second bearing frame, plays support and guide effect to the stirring ability of stirring structure assembly has been improved.
Further, the reaction kettle barrel comprises an inner container, a middle layer and a heat preservation layer, wherein the middle layer is arranged between the inner container and the heat preservation layer. The heating rod of the heating structure is arranged between the inner container and the middle layer, and the heat preservation layer on the outermost side plays a role in heat preservation.
Further, a working method of the high-shear-performance reaction kettle for producing the PVC terminator comprises the following specific steps:
1) the heating structure heats the reaction kettle barrel to a certain temperature and keeps the temperature for a period of time;
2) the raw materials of the PVC terminator are sequentially put into the inner container of the reaction kettle barrel from the feeding structure according to requirements;
3) a motor in the stirring structure assembly drives a rotating shaft of the stirring structure to rotate through a coupler, so that a stirring blade structure and a stirring paddle structure on the stirring structure assembly are driven to stir;
4) stopping stirring after a period of stirring;
5) adding raw materials such as a catalyst to be added into the reaction kettle from a feeding structure;
6) starting stirring again, and simultaneously adjusting the temperature in the reaction kettle barrel to a proper range by the heating structure and the cooling structure according to the reaction requirement;
7) after the reaction is finished, stopping the work of the stirring structure assembly;
8) and discharging the obtained PVC terminator from the discharging structure, and performing subsequent packaging and other processes.
The technical scheme shows that the invention has the following beneficial effects: 1) the stirring structure with the stirring blade structure and the stirring paddle structure is arranged, so that the overall stirring efficiency is greatly improved, and the accumulation of PVC terminator raw materials at the bottom of the reaction kettle barrel is avoided, so that the reaction efficiency and the product quality are improved; 2) the first material distributing groove and the second material distributing groove are arranged on the blades of the stirring blade structure, and the first stirring paddle structure and the second stirring paddle structure with opposite inclination directions are arranged on the blades of the stirring paddle structure, so that the shearing force on the PVC terminator raw material is improved, the material mixing uniformity is improved, and the reaction efficiency is improved; 3) structurally, the stirring paddle is provided with the first supporting wheel structure and the second supporting wheel structure, and the stirring structure is supported and guided, so that the reaction force received by the stirring structure assembly during stirring is reduced, the service life of parts is prolonged, and the loss is reduced.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a perspective view of the stirring structure assembly;
FIG. 4 is a perspective view of a stirring vane structure;
FIG. 5 is a perspective view of a paddle configuration;
fig. 6 is a front view of the first support wheel structure.
In the figure: the reactor comprises a reactor barrel 1, an inner container 11, an intermediate layer 12, a heat-insulating layer 13, a reactor barrel cover 2, a stirring structure assembly 3, a motor 31, a coupler 32, a stirring structure 33, a rotating shaft 331, a stirring blade structure 332, a blade fixing seat 3321, a blade 3322, a first material distribution groove 33221, a second material distribution groove 33222, a stirring paddle structure 333, a fixing frame 3331, a first fixing ring 33311, a first support 33312, a second support 33313, a first stirring paddle structure 3332, a second fixing ring 33321, a first blade 33322, a second blade 33323, a second stirring paddle structure 3333, a first supporting wheel structure 3334, a first shaft 33bearing seat 341, a second bearing seat 342, a roller 33343, a second supporting wheel structure 3335, a bearing seat 34, a feeding structure 4, a discharging structure 5, a feeding structure 6, a heating structure 7 and a cooling structure 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example one
As shown in fig. 1 and fig. 2, the three-dimensional view and the cross-sectional view are respectively a perspective view and a cross-sectional view of the present invention, and include a reaction kettle barrel 1, a reaction kettle barrel cover 2, a stirring structure assembly 3, a feeding structure 4, a discharging structure 5, a feeding structure 6, a heating structure 7, and a cooling structure 8, where the reaction kettle barrel cover 2 is disposed over the reaction kettle barrel 1, the stirring structure assembly 3 is disposed on the reaction kettle barrel cover 2 and is located in the middle of the reaction kettle barrel 1, the feeding structure 4 and the discharging structure 5 are disposed on the reaction kettle barrel cover 2 and are located at two sides of the stirring structure assembly 3, the feeding structure 6 is disposed at a side of the reaction kettle barrel 1, the heating structure 7 is disposed below the reaction kettle barrel 1, and the cooling structure 8 is disposed on the reaction kettle barrel cover 2 and is located; as shown in fig. 3, the stirring structure assembly 3 is a perspective view, and includes a motor 31, a coupler 32, a stirring structure 33, and a bearing seat 34, where a shaft end of the motor 31 is connected to one end of the stirring structure 33 disposed on the bearing seat 34 through the coupler 32; the stirring structure 33 comprises a rotating shaft 331, stirring blade structures 332 and stirring paddle structures 333, wherein the stirring blade structures 332 are provided with a plurality of groups and are arranged on the rotating shaft 331 at equal intervals, and the stirring paddle structures 333 are arranged at one end, far away from the bearing seat 34, of the rotating shaft 331; fig. 4 is a perspective view of the stirring blade structure 332, which includes six sets of blades 3322 and a blade holder 3321, wherein the blades 3322 are circumferentially arranged on the blade holder 3321 around the center of the blade holder 3321; the radial cross section of the blade 3322 is arranged in a semicircular way; the axial position of the blade 3322 is provided with a first distributing groove 33221 and a second distributing groove 33222, and the first distributing groove 33221 and the second distributing groove 33222 are arranged on the blade 3322 in parallel.
As shown in fig. 5, the stirring paddle structure 333 is a perspective view, and includes a fixed frame 3331, a first stirring paddle structure 3332, a second stirring paddle structure 3333, a first supporting wheel structure 3334, and a second supporting wheel structure 3335, where the first stirring paddle structure 3332 and the second stirring paddle structure 3333 are arranged on the fixed frame 3331 in parallel, and the second stirring paddle structure 3333 and the first supporting wheel structure 3334 are arranged below the fixed frame 3331 in parallel.
The fixing frame 3331 includes a first fixing ring 33311, a first bracket 33312, and a second bracket 33313, and the first bracket 33312 and the second bracket 33313 are respectively disposed on two sides of the first fixing ring 33311.
First stirring rake structure 3332, second stirring rake structure 3333 structure are the same, first stirring rake structure 3332 includes the solid fixed ring of second 33321, first paddle 33322, second paddle 33323, first paddle 33322, second paddle 33323 set up respectively in the solid fixed ring of second 33321 both sides.
The first blade 33322 and the second blade 33323 are arranged obliquely.
The first blade 33322 and the second blade 33323 of the first stirring paddle structure 3332 are inclined in the opposite direction to the first blade 33322 and the second blade 33323 of the second stirring paddle structure 3333.
The first supporting wheel structure 3334 and the second supporting wheel structure 3335 have the same structure, and as shown in fig. 6, the first supporting wheel structure 3334 is a front view, and includes a first bearing seat 33341, a second bearing seat 33342, and a roller 33343, wherein the first bearing seat 33341 and the second bearing seat 33342 are disposed at two ends of the roller 33343 in parallel.
The reaction kettle barrel 1 comprises an inner container 11, a middle layer 12 and a heat preservation layer 13, wherein the middle layer 12 is arranged between the inner container 11 and the heat preservation layer 13.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. The high shear performance reaction kettle for producing the PVC terminator is characterized in that: the device comprises a reaction kettle barrel body (1), a reaction kettle barrel cover (2), a stirring structure assembly (3), a feeding structure (4), a discharging structure (5), a feeding structure (6), a heating structure (7) and a cooling structure (8), wherein the reaction kettle barrel cover (2) is arranged right above the reaction kettle barrel body (1), the stirring structure assembly (3) is arranged on the reaction kettle barrel cover (2) and is positioned in the middle of the reaction kettle barrel body (1), the feeding structure (4) and the discharging structure (5) are arranged on the reaction kettle barrel cover (2) and are positioned at two sides of the stirring structure assembly (3), the feeding structure (6) is arranged at the side edge of the reaction kettle barrel body (1), the heating structure (7) is arranged below the reaction kettle barrel body (1), and the cooling structure (8) is arranged on the reaction kettle barrel cover (2) and is positioned at the side edge of the stirring structure assembly (3); the stirring structure assembly (3) comprises a motor (31), a coupler (32), a stirring structure (33) and a bearing seat (34), wherein the shaft end of the motor (31) is connected with one end of the stirring structure (33) arranged on the bearing seat (34) through the coupler (32); the stirring structure (33) comprises a rotating shaft (331), stirring blade structures (332) and stirring paddle structures (333), wherein the stirring blade structures (332) are provided with a plurality of groups and are arranged on the rotating shaft (331) at equal intervals, and the stirring paddle structures (333) are arranged at one end, far away from the bearing seat (34), of the rotating shaft (331); the stirring blade structure (332) comprises six groups of blades (3322) and blade fixing seats (3321), and the blades (3322) are arranged on the blade fixing seats (3321) in a circumferential array by taking the centers of the blade fixing seats (3321) as axes; the radial cross section of the blade (3322) is arranged in a semicircular way; the axial position of the blade (3322) is provided with a first distributing groove (33221) and a second distributing groove (33222), and the first distributing groove (33221) and the second distributing groove (33222) are arranged on the blade (3322) in parallel.
2. The high shear performance reactor for producing PVC terminator according to claim 1, characterized in that: stirring rake structure (333) includes mount (3331), first stirring rake structure (3332), second stirring rake structure (3333), first supporting wheel structure (3334), second supporting wheel structure (3335), first stirring rake structure (3332), second stirring rake structure (3333) set up side by side on mount (3331), second stirring rake structure (3333), first supporting wheel structure (3334) set up side by side in mount (3331) below.
3. The high shear performance reactor for producing PVC terminator according to claim 2, characterized in that: the fixing frame (3331) comprises a first fixing ring (33311), a first support (33312) and a second support (33313), and the first support (33312) and the second support (33313) are respectively arranged on two sides of the first fixing ring (33311).
4. The high shear performance reactor for producing PVC terminator according to claim 2, characterized in that: first stirring rake structure (3332), second stirring rake structure (3333) structure are the same, first stirring rake structure (3332) include the solid fixed ring of second (33321), first paddle (33322), second paddle (33323), first paddle (33322), second paddle (33323) set up respectively in the solid fixed ring of second (33321) both sides.
5. The high shear performance reactor for producing PVC terminator according to claim 4, characterized in that: the first blade (33322) and the second blade (33323) are obliquely arranged.
6. The high shear performance reactor for producing PVC terminator according to claim 4, characterized in that: the inclination directions of the first blade (33322) and the second blade (33323) on the first stirring paddle structure (3332) are opposite to the inclination directions of the first blade (33322) and the second blade (33323) on the second stirring paddle structure (3333).
7. The high shear performance reactor for producing PVC terminator according to claim 3, characterized in that: the first supporting wheel structure (3334) and the second supporting wheel structure (3335) have the same structure, the first supporting wheel structure (3334) comprises a first bearing seat (33341), a second bearing seat (33342) and a roller (33343), and the first bearing seat (33341) and the second bearing seat (33342) are arranged at two ends of the roller (33343) in parallel.
8. The high shear performance reactor for producing PVC terminator according to claim 1, characterized in that: the reaction kettle barrel (1) comprises an inner container (11), an intermediate layer (12) and a heat preservation layer (13), wherein the intermediate layer (12) is arranged between the inner container (11) and the heat preservation layer (13).
9. The working method of the high-shear-performance reaction kettle for producing the PVC terminator as claimed in any one of claims 1 to 8 is characterized in that: the method comprises the following specific steps:
the heating structure (7) heats the reaction kettle barrel body (1) to a certain temperature and keeps the temperature for a period of time;
the raw materials of the PVC terminator are sequentially put into the inner container (11) of the reaction kettle barrel body (1) from the feeding structure (4) according to requirements;
a motor (31) in the stirring structure assembly (3) drives a rotating shaft (331) of a stirring structure (33) to rotate through a coupler (32), so that a stirring blade structure (332) and a stirring paddle structure (333) on the stirring structure assembly are driven to stir;
stopping stirring after a period of stirring;
adding raw materials such as a catalyst to be added into the feeding structure (6);
the stirring operation is started again, and meanwhile, the heating structure (7) and the cooling structure (8) adjust the temperature in the reaction kettle barrel body (1) to a proper range according to the reaction requirement;
after the reaction is finished, the stirring structure assembly (3) stops working;
and discharging the obtained PVC terminator from the discharging structure (5), and performing subsequent packaging and other processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110136472.XA CN112742332A (en) | 2021-02-01 | 2021-02-01 | High-shearing-performance reaction kettle for producing PVC (polyvinyl chloride) terminator and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110136472.XA CN112742332A (en) | 2021-02-01 | 2021-02-01 | High-shearing-performance reaction kettle for producing PVC (polyvinyl chloride) terminator and working method thereof |
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| CN112742332A true CN112742332A (en) | 2021-05-04 |
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| CN109621860A (en) * | 2019-01-28 | 2019-04-16 | 河北冀衡（集团）药业有限公司 | A kind of synthetic method of agitating device, the reactor tank for synthesizing folic acid and folic acid |
| CN110433726A (en) * | 2019-07-08 | 2019-11-12 | 范国江 | A kind of mixing apparatus |
| CN111359545A (en) * | 2020-02-28 | 2020-07-03 | 江苏三安消防设备有限公司 | Efficient stirring equipment for producing water-based extinguishing agent and working mode of efficient stirring equipment |
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2021
- 2021-02-01 CN CN202110136472.XA patent/CN112742332A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351654A (en) * | 2011-06-15 | 2012-02-15 | 中北大学 | Magnetic separation catalytic oxidation method and magnetic separation reaction apparatus |
| CN206315793U (en) * | 2016-12-28 | 2017-07-11 | 浙江佳华精化股份有限公司 | A kind of polymeric kettle with cooling device |
| CN208018594U (en) * | 2018-01-04 | 2018-10-30 | 无锡奇比特润滑油有限公司 | A kind of agitating device of colloidal sol kettle |
| CN109621860A (en) * | 2019-01-28 | 2019-04-16 | 河北冀衡（集团）药业有限公司 | A kind of synthetic method of agitating device, the reactor tank for synthesizing folic acid and folic acid |
| CN110433726A (en) * | 2019-07-08 | 2019-11-12 | 范国江 | A kind of mixing apparatus |
| CN111359545A (en) * | 2020-02-28 | 2020-07-03 | 江苏三安消防设备有限公司 | Efficient stirring equipment for producing water-based extinguishing agent and working mode of efficient stirring equipment |
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Application publication date: 20210504 |
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