CN220737555U - Enamel reaction kettle for producing pearl powder - Google Patents

Enamel reaction kettle for producing pearl powder Download PDF

Info

Publication number
CN220737555U
CN220737555U CN202322247502.1U CN202322247502U CN220737555U CN 220737555 U CN220737555 U CN 220737555U CN 202322247502 U CN202322247502 U CN 202322247502U CN 220737555 U CN220737555 U CN 220737555U
Authority
CN
China
Prior art keywords
reaction kettle
stirring
titanium
pearl powder
stirring rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322247502.1U
Other languages
Chinese (zh)
Inventor
刘陈刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Forward Fine Chemical Co ltd
Original Assignee
Hangzhou Forward Fine Chemical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Forward Fine Chemical Co ltd filed Critical Hangzhou Forward Fine Chemical Co ltd
Priority to CN202322247502.1U priority Critical patent/CN220737555U/en
Application granted granted Critical
Publication of CN220737555U publication Critical patent/CN220737555U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

The utility model discloses an enamel reaction kettle for producing pearl powder, which relates to the technical field of reaction kettles and comprises a reaction kettle main body and a stirring frame, wherein the stirring frame is connected to the top opening of the reaction kettle main body, the top surface of the stirring frame is connected with a motor, the output shaft of the motor is connected with a stirring rod, the bottom end of the stirring rod stretches into the inner cavity of the reaction kettle main body, and the bottom of the stirring rod is connected with a group of mixing stirring blades and a plurality of groups of dispersing stirring blades; a plurality of titanium liquid feeding pipes and guide barrels are arranged in the inner cavity of the reaction kettle main body, and are connected and positioned through titanium supporting pipes. The utility model has ingenious conception and reasonable layout, realizes multi-point feeding and inner cylinder feeding by the design of uniformly distributing the multiple pipes, realizes better dispersing effect by rotating the dispersing and stirring blades, obviously reduces the free titanium dioxide in the product, and effectively delays the contact time with liquid alkali, thereby improving the product quality.

Description

Enamel reaction kettle for producing pearl powder
Technical Field
The utility model relates to the technical field of reaction kettles, in particular to an enamel reaction kettle for producing pearl powder.
Background
In order to realize the beautiful pearl luster in the nature in the fields of pigments and dyes, nontoxic pearl pigments are researched in 60 s, and the pearl pigments formed by covering mica flakes with titanium dioxide have strong chemical properties and excellent performances in all aspects, so that the pearl pigments are widely applied to the fields of plastics, printing ink, electric baking paint, wallpaper and the like for a long time and can show unique charm of commodities.
In the process of preparing the pearl powder, firstly, mica sheets are subjected to physical treatment such as grinding, then added with an alkaline cooking and acid cooking process, conveyed into a reaction kettle through a pump, and then added with pure water to adjust the concentration of the mica sheets; secondly, heating the periphery of the reaction kettle by using steam, controlling the temperature to be 85 ℃ by using a temperature controller, and continuously mixing by using a stirrer. In the process, titanium tetrachloride (TiCl) is required to be added by a metering pump according to the proportion of the liquid capacity in the reaction kettle 4 ),TiCl 4 Enter a reaction kettle to react with H 2 O reacts into HCl and TiO, and the TiO is covered on the surface of the mica powder to form the pearlescent pigment.
When the traditional reaction kettle works, the titanium tetrachloride is added by adopting a single liquid inlet pipe, the liquid outlet end of the liquid inlet pipe stretches into the inner cavity of the reaction kettle, and the center of the reaction kettle is provided with a stirring rod with a single-layer stirring blade at the bottom so as to improve the mixing reaction effect.
The design of this structure has improved the mixability of inside material to a certain extent, but the design of single feed liquor pipe has the offset problem, and the dispersibility of titanium liquid is limited, and free titanium white in the product is more, mixes inadequately.
Disclosure of Invention
The utility model aims to provide an enamel reaction kettle for producing pearl powder, which solves the problems of bias of a liquid inlet pipe, limited dispersibility of titanium liquid and incomplete mixing in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model relates to an enamel reaction kettle for producing pearl powder, which comprises a reaction kettle main body and a stirring frame, wherein the stirring frame is buckled and connected to the top of the outer side wall of the reaction kettle main body, the top surface of the stirring frame is connected with a motor, the output shaft of the motor is connected with a stirring rod, the bottom end of the stirring rod penetrates through the stirring frame and then stretches into the inner cavity of the reaction kettle main body, and the bottom of the stirring rod is connected with a group of mixing stirring blades and a plurality of groups of dispersing stirring blades; the titanium liquid stirring kettle is characterized in that a plurality of titanium liquid feeding pipes and guide cylinders are arranged in the inner cavity of the reaction kettle body, titanium material supporting pipes are connected to the bottom surface of the stirring frame through connecting pieces, the guide cylinders are connected to the bottoms of the titanium material supporting pipes, and the titanium liquid feeding pipes are connected to the inner sides of the titanium material supporting pipes.
Preferably, the reaction kettle main body comprises a tank body with an open top, a reaction kettle upper cover and a reaction kettle jacket outer layer, the reaction kettle upper cover is connected to the open top of the tank body in a covering manner, the reaction kettle jacket outer layer is wrapped and welded at the middle lower part of the tank body, the side wall of the reaction kettle jacket outer layer is provided with a plurality of steam inlets, the bottom of the reaction kettle jacket outer layer is provided with a steam outlet, a discharging opening is formed in the center of the bottom surface of the tank body, an electric control discharging valve is arranged on a pipeline of the discharging opening, and the bottom end of the discharging opening is connected with a sealing bottom cover.
Preferably, the upper cover of the reaction kettle is provided with a through hole for the through connection of the titanium liquid feeding pipe and the titanium supporting pipe.
Preferably, the top of titanium liquid filling tube sets up to the inlet, the bottom of titanium liquid filling tube is provided with the liquid outlet, the top through-connection of titanium liquid filling tube is in on the stirring frame, just the inlet passes through pipeline and titanium liquid storage tank intercommunication, the bottom of titanium liquid filling tube sets up to buckling form and is located the draft tube, the direction of liquid outlet is towards the central axis.
Preferably, the titanium liquid feeding pipes are three, four, five or six and are uniformly distributed circumferentially; the titanium support tubes and the titanium liquid feeding tubes are arranged in one-to-one correspondence.
Preferably, the mixing stirring blade is connected to the bottom end of the stirring rod and located below the guide cylinder, and the plurality of groups of dispersing stirring blades are connected to the outer circumferential surface of the stirring rod and located in the guide cylinder.
Preferably, the outer diameter of the mixing stirring blade is larger than the outer diameter of the dispersing stirring blade, and the outer diameter of the mixing stirring blade is smaller than the inner diameter of the reaction kettle body; mixing stirring vane slope is connected on the puddler, dispersion stirring vane is vertical to be placed and connect perpendicularly on the periphery of puddler.
Preferably, the guide cylinder is a cylinder with two open ends, and the top surface of the cylinder is connected to the bottom of the titanium support tube through a connecting piece.
Preferably, the motor is connected to the top surface of the stirring frame through a bracket, an output shaft of the motor is connected with the top end of the stirring rod through a coupler, and the motor is started to drive the stirring rod to rotate through the coupler.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model relates to an enamel reaction kettle for producing pearl powder, which comprises a reaction kettle main body and a stirring frame, wherein a motor is connected to the stirring frame, a stirring rod is connected to an output shaft of the motor, the bottom end of the stirring rod stretches into an inner cavity of the reaction kettle main body, and a group of mixing stirring blades and a plurality of groups of dispersing stirring blades are connected to the bottom of the stirring rod; a plurality of titanium liquid feeding pipes and guide cylinders are arranged in the inner cavity of the reaction kettle main body, titanium material supporting pipes are connected to the bottom surface of the stirring frame through connecting pieces, the guide cylinders are connected to the bottoms of the titanium material supporting pipes, and the titanium liquid feeding pipes are connected to the inner sides of the titanium material supporting pipes.
1) Through the design of the guide cylinder, the added titanium liquid is fully stirred and dispersed through the dispersing stirring blade, the dispersing effect is good, the titanium liquid flows out through the bottom of the guide cylinder after being dispersed, the contact time with liquid alkali is effectively delayed, the reaction effect is improved, and the titanium white in the product is obviously reduced to be free by combining with the stirring effect of the mixing stirring blade;
2) The design of a plurality of titanium liquid feeding pipes ensures the uniformity of liquid feeding and further improves the dispersion effect;
3) The titanium liquid feeding pipe and the guide cylinder are connected and positioned through the titanium supporting pipe, so that the installation strength is ensured.
The titanium tetrachloride feeding device is ingenious in conception and reasonable in layout, titanium tetrachloride is directly added into the guide cylinder through the plurality of titanium liquid feeding pipes by virtue of the design of the guide cylinder at the central position, so that the feeding of the inner cylinder is realized, a better dispersing effect is realized by rotating the dispersing stirring blades, the dissociation of titanium dioxide in a product is obviously reduced, and the contact time with liquid alkali is effectively delayed, so that the product quality is improved.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of an enamel reactor for pearl powder production according to the present utility model;
FIG. 2 is a schematic view of the arrangement of the titanium liquid feeding tube of the present utility model;
FIG. 3 is a schematic view of the structure of the titanium liquid feeding tube of the present utility model;
FIG. 4 is a schematic view showing the connection structure of the dispersing and mixing stirring blade according to the present utility model.
Reference numerals illustrate: 1. a reaction kettle main body; 2. a stirring rack; 3. a titanium liquid feeding tube; 301. a liquid inlet; 302. a liquid outlet; 4. a titanium support tube; 5. a connecting piece; 6. a motor; 7. a stirring rod; 8. mixing and stirring blades; 9. dispersing and stirring blades; 10. a guide cylinder;
101. a reaction kettle upper cover; 102. an outer layer of the reaction kettle jacket; 103. a steam inlet; 104. a discharge port; 105. sealing the bottom cover; 106. a steam outlet.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-4, an enamel reaction kettle for producing pearl powder comprises a reaction kettle main body 1 and a stirring frame 2, wherein the stirring frame 2 is buckled and connected to the top of the outer side wall of the reaction kettle main body 1, a motor 6 is connected to the top surface of the stirring frame 2, a stirring rod 7 is connected to an output shaft of the motor 6, the bottom end of the stirring rod 7 penetrates through the stirring frame 2 and then stretches into an inner cavity of the reaction kettle main body 1, and a group of mixing stirring blades 8 and a plurality of groups of dispersing stirring blades 9 are connected to the bottom of the stirring rod 7; the titanium liquid stirring kettle is characterized in that a plurality of titanium liquid feeding pipes 3 and guide barrels 10 are arranged in the inner cavity of the reaction kettle body 1, titanium material supporting pipes 4 are connected to the bottom surface of the stirring frame 2 through connecting pieces 5, the guide barrels 10 are connected to the bottom of the titanium material supporting pipes 4, and the titanium liquid feeding pipes 3 are connected to the inner sides of the titanium material supporting pipes 4. Specifically, the draft tube is located central point, and the axis coincides with the axis of reation kettle main part 1, adopts titanium board preparation, is supported by titanium material stay tube 4 and fixes a position, compact structure is stable.
Specifically, the reaction kettle main body 1 includes the open-ended jar body, reaction kettle upper cover 101 and reaction kettle jacket outer layer 102, the reaction kettle upper cover 101 covers and connects on the open-ended of jar body, the outer layer 102 parcel welding of reaction kettle jacket is in the well lower part of jar body, the lateral wall of the outer layer 102 of reaction kettle jacket is provided with a plurality of steam inlets 103, and the bottom of the outer layer 102 of reaction kettle jacket is provided with steam outlet 106, drain hole 104 has been seted up at the bottom surface center of the jar body, be provided with automatically controlled baiting valve on the pipeline of drain hole 104, the bottom of drain hole 104 is connected with sealed bottom 105.
The upper cover 101 of the reaction kettle is provided with a through hole for penetrating and connecting the titanium liquid feeding pipe 3 and the titanium supporting pipe 4.
As shown in fig. 1-3, the top end of the titanium liquid feeding tube 3 is provided with a liquid inlet 301, the bottom end of the titanium liquid feeding tube 3 is provided with a liquid outlet 302, the top end of the titanium liquid feeding tube 3 is connected to the stirring frame 2 in a penetrating manner, the liquid inlet 301 is communicated with the titanium liquid storage tank through a pipeline, the bottom end of the titanium liquid feeding tube 3 is provided with a bent shape and is located in the guide cylinder 10, and the direction of the liquid outlet 302 faces the central axis.
As shown in fig. 2, the titanium liquid feeding pipes 3 are three, four, five or six and are uniformly distributed in circumference; the titanium support pipes 4 and the titanium liquid feeding pipes 3 are arranged in one-to-one correspondence. The design of many titanium liquid filling tubes has guaranteed the homogeneity of feed liquor, further improves the dispersion effect, and actual quantity can be chosen according to the specification of reation kettle main part 1.
Specifically, the mixing stirring vane 8 is connected to the bottom end of the stirring rod 7 and is located below the guide cylinder 10, and the plurality of groups of dispersing stirring vanes 9 are connected to the outer circumferential surface of the stirring rod 7 and are located in the guide cylinder 10.
The outer diameter of the mixing stirring blade 8 is larger than that of the dispersing stirring blade 9, and the outer diameter of the mixing stirring blade 8 is smaller than that of the reaction kettle body 1; as shown in fig. 4, the mixing stirring blades 8 are connected to the stirring rod 7 in an inclined manner, and the inclined angle is preferably 45 degrees, and the vertical distribution of the front and rear mixing stirring blades 8 can better mix the mixture in the inner cavity; the dispersing stirring blades 9 are vertically arranged and vertically connected to the periphery of the stirring rod 7, and can play a good role in dispersing titanium tetrachloride in the stirring process. Specifically, the number of the mixing stirring blades 8 and the dispersing stirring blades 9 on the same height is adjusted according to actual needs, and is not limited to two, and when more mixing stirring blades are adopted, the mixing stirring blades are circumferentially and uniformly distributed on the outer peripheral surface of the stirring rod.
Specifically, the guide cylinder 10 is a cylinder with two open ends, and the top surface of the cylinder is connected to the bottom of the titanium support tube 4 through a connecting piece 5. The added titanium liquid is fully stirred and dispersed by the dispersing stirring blades, the dispersing effect is good, specifically, in the titanium tetrachloride feeding process, the mixing stirring blades 8 are pressed downwards, the solution can cling to the wall and turn upwards, then downwards enters the guide barrel, and after being dispersed, the solution flows outwards through the bottom end of the guide barrel, so that circulation is formed; in the flow guiding process, the contact time with liquid alkali can be effectively delayed, the reaction effect is improved, and the free titanium dioxide in the product is obviously reduced by combining the stirring effect of the mixing stirring blade.
Specifically, motor 6 is in through leg joint on the top surface of stirring frame 2, motor 6's output shaft pass through the shaft coupling with the top of puddler 7 links together, motor 6 starts and drives through the shaft coupling puddler 7 is rotatory, motor 6 is connected with the controller electricity of equipment, realizes automatic stirring operation, labour saving and time saving.
The application process of the utility model is as follows:
firstly, an enamel reaction kettle for producing pearl powder is installed at a designated position of a production workshop, and a liquid inlet 301 of a titanium liquid charging pipe 3 is communicated with a titanium liquid storage tank of titanium tetrachloride;
during the reaction, this titanium tetrachloride is directly added in guide cylinder 10 through many titanium liquid charging tubes 3, after filling in place, motor 6 starts through the shaft coupling drive puddler 7 is rotatory, drives the synchronous rotation of mixing stirring vane 8, the dispersion stirring vane 9 of below, and the dispersion stirring vane 9 is rotatory to drive the dispersion of titanium tetrachloride, and titanium tetrachloride overflows from the bottom circulation on guide cylinder 10 to react with liquid alkali, and in the reaction, improves the mixing uniformity through mixing stirring vane 8.
This enamel reaction kettle's design has increased the guide cylinder of central point, and titanium tetrachloride directly adds in the guide cylinder through many titanium liquid charging tubes, has realized the inner tube feeding and for the even feeding of multiple spot, the effectual contact time who delays and liquid alkali improves the reaction effect, combines together with mixing stirring vane's stirring effect, obvious reduction titanium white powder free in the product improves the quality of product.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (9)

1. An enamel reaction kettle for pearl powder production comprises a reaction kettle main body (1) and a stirring frame (2), wherein the stirring frame (2) is buckled and connected to the top of the outer side wall of the reaction kettle main body (1), and the enamel reaction kettle is characterized in that: the stirring device is characterized in that a motor (6) is connected to the top surface of the stirring frame (2), a stirring rod (7) is connected to an output shaft of the motor (6), the bottom end of the stirring rod (7) penetrates through the stirring frame (2) and then stretches into an inner cavity of the reaction kettle main body (1), and a group of mixing stirring blades (8) and a plurality of groups of dispersing stirring blades (9) are connected to the bottom of the stirring rod (7); the titanium liquid stirring kettle is characterized in that a plurality of titanium liquid feeding pipes (3) and guide barrels (10) are arranged in the inner cavity of the reaction kettle body (1), titanium material supporting pipes (4) are connected to the bottom surface of the stirring frame (2) through connecting pieces (5), the guide barrels (10) are connected to the bottoms of the titanium material supporting pipes (4), and the titanium liquid feeding pipes (3) are connected to the inner sides of the titanium material supporting pipes (4).
2. An enamel reactor for the production of pearl powder according to claim 1, wherein: the reaction kettle body (1) comprises a tank body with an open top, a reaction kettle upper cover (101) and a reaction kettle jacket outer layer (102), the reaction kettle upper cover (101) is connected to the open top of the tank body in a covering manner, the reaction kettle jacket outer layer (102) is welded to the middle lower portion of the tank body in a wrapping manner, a plurality of steam inlets (103) are formed in the side wall of the reaction kettle jacket outer layer (102), a steam outlet (106) is formed in the bottom of the reaction kettle jacket outer layer (102), a discharging opening (104) is formed in the center of the bottom surface of the tank body, an electric control discharging valve is arranged on a pipeline of the discharging opening (104), and a sealing bottom cover (105) is connected to the bottom end of the discharging opening (104).
3. An enamel reactor for the production of pearl powder according to claim 2, wherein: and the titanium liquid feeding pipe (3) and the titanium material supporting pipe (4) are arranged on the titanium liquid feeding pipe 101 and are connected through holes.
4. An enamel reactor for the production of pearl powder according to claim 1, wherein: the top of titanium liquid filling tube (3) sets up to inlet (301), the bottom of titanium liquid filling tube (3) is provided with liquid outlet (302), the top through-connection of titanium liquid filling tube (3) is in on stirring frame (2), just inlet (301) are through pipeline and titanium liquid storage tank intercommunication, the bottom of titanium liquid filling tube (3) sets up to the form of buckling and is located in guide cylinder (10), the direction of liquid outlet (302) is towards the central axis.
5. The enamel reactor for producing pearl powder according to claim 4, wherein: the titanium liquid feeding pipes (3) are arranged in three, four, five or six and are uniformly distributed on the circumference; the titanium support pipes (4) and the titanium liquid feeding pipes (3) are arranged in one-to-one correspondence.
6. An enamel reactor for the production of pearl powder according to claim 1, wherein: the mixing stirring blades (8) are connected to the bottom end of the stirring rod (7) and located below the guide cylinder (10), and the dispersing stirring blades (9) are connected to the outer peripheral surface of the stirring rod (7) and located in the guide cylinder (10).
7. The enamel reactor for producing pearl powder according to claim 6, wherein: the outer diameter of the mixing stirring blade (8) is larger than the outer diameter of the dispersing stirring blade (9), and the outer diameter of the mixing stirring blade (8) is smaller than the inner diameter of the reaction kettle main body (1);
mixing stirring vane (8) slope connect stirring rod (7) are last, dispersion stirring vane (9) are vertical to be placed and connect perpendicularly on the periphery of stirring rod (7).
8. The enamel reactor for producing pearl powder according to claim 6, wherein: the guide cylinder (10) is a cylinder with two open ends, and the top surface of the cylinder is connected to the bottom of the titanium support tube (4) through a connecting piece (5).
9. An enamel reactor for the production of pearl powder according to claim 1, wherein: the motor (6) is connected to the top surface of the stirring frame (2) through a bracket, an output shaft of the motor (6) is connected with the top end of the stirring rod (7) through a coupler, and the motor (6) is started to drive the stirring rod (7) to rotate through the coupler.
CN202322247502.1U 2023-08-21 2023-08-21 Enamel reaction kettle for producing pearl powder Active CN220737555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322247502.1U CN220737555U (en) 2023-08-21 2023-08-21 Enamel reaction kettle for producing pearl powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322247502.1U CN220737555U (en) 2023-08-21 2023-08-21 Enamel reaction kettle for producing pearl powder

Publications (1)

Publication Number Publication Date
CN220737555U true CN220737555U (en) 2024-04-09

Family

ID=90556633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322247502.1U Active CN220737555U (en) 2023-08-21 2023-08-21 Enamel reaction kettle for producing pearl powder

Country Status (1)

Country Link
CN (1) CN220737555U (en)

Similar Documents

Publication Publication Date Title
CN220737555U (en) Enamel reaction kettle for producing pearl powder
CN211586169U (en) Heating agitator tank
CN209362489U (en) A kind of coating material production highly effective reaction kettle
CN206642714U (en) A kind of super fine calcium carbonate preparation coats kettle with modified calcium
CN206139843U (en) Preparation silver powder is with double -deck stirring reation kettle
CN207507466U (en) A kind of unpowered outer circulation chloroparaffin production apparatus
CN206492492U (en) Outer circulation compartment system applied to esterification
CN216321922U (en) Temperature control device of reaction kettle
CN206577638U (en) A kind of agitator tank for being used to produce laundry sheet
CN208865645U (en) A kind of reactor of trans acids production
CN205965846U (en) Stirring reation kettle of diversified even feeding belt brush
CN208288001U (en) A kind of Multi-stage stirring formula reaction kettle component
CN208098070U (en) Reaction kettle is used in a kind of production of bodied ferric sulfate
CN204365308U (en) A kind of pearlescent pigment reactor with helical form paddle group
CN204412254U (en) A kind of pearlescent pigment reactor with many group paddles
CN205965566U (en) Take reation kettle of semicircle arc structure puddler
CN216537890U (en) Mixing arrangement is used in n-butyl methacrylate production
CN207025342U (en) A kind of efficient process units of molysite water clarifier
CN215783090U (en) Multiple mixing arrangement is used in dibenzoyl methane production
CN216935534U (en) Styrene reaction kettle
CN219701922U (en) Reaction device for preparing vinyl glycol ether
CN213886167U (en) Coating reaction kettle
CN215396236U (en) Polypropylene ethylene plastic granules agitating unit
CN218689198U (en) Heating dissolving kettle device for PVB production raw materials
CN210215350U (en) High-molecular fermentation reaction device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant