CN212999548U - Calcium carbonate powder surface modification equipment - Google Patents
Calcium carbonate powder surface modification equipment Download PDFInfo
- Publication number
- CN212999548U CN212999548U CN202021459196.8U CN202021459196U CN212999548U CN 212999548 U CN212999548 U CN 212999548U CN 202021459196 U CN202021459196 U CN 202021459196U CN 212999548 U CN212999548 U CN 212999548U
- Authority
- CN
- China
- Prior art keywords
- calcium carbonate
- carbonate powder
- pipe
- oil
- surface modification
- 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
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model relates to a calcium carbonate powder surface modification equipment. The modification equipment comprises a screw conveyor, a calcium carbonate powder tank, a modifier tank, a film coating device, a cyclone separator and a bag type dust collector which are connected in sequence; the spiral conveyor comprises an installation cylinder, a heat conduction oil cavity is arranged in the cylinder wall of the installation cylinder, and a first oil inlet pipe and a first oil outlet pipe which are communicated with the heat conduction oil cavity are arranged on the cylinder wall; the film coating device comprises a stirring cylinder, a stirring rod is rotationally assembled in the stirring cylinder, the stirring cylinder is provided with a heat conduction oil annular space, and a second oil inlet pipe and a second oil outlet pipe are arranged on the stirring cylinder; the calcium carbonate powder tank is arranged on the lower side of a discharge port of the screw conveyor, a first feeding pipe is arranged between the calcium carbonate powder tank and the mixing drum, a second feeding pipe is arranged between the modifier tank and the mixing drum, and a vacuum pump communicated with the interior of the mixing drum through a connecting pipe is arranged on the mixing drum. The utility model provides high calcium carbonate powder intensification efficiency, and then improved calcium carbonate powder surface modification production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the modification device, especially, relate to a calcium carbonate powder surface modification equipment.
Background
The calcium carbonate powder is mainly used as a filler of products such as plastics, rubber and the like, and the production cost can be greatly reduced by properly mixing the calcium carbonate powder into the materials. However, since calcium carbonate is originally a solid inorganic substance, and has no stickiness and a small adhesion, if calcium carbonate powder is directly mixed with the organic material, calcium carbonate particles cannot be tightly adhered to the organic material, and thus the calcium carbonate powder must be subjected to a coating process before being used as a filler. The coating is to coat each particle of calcium carbonate with an organic substance, which is called coating agent, and the specific components of the organic substance depend on the application. The calcium carbonate powder coating process generally comprises the steps of mixing calcium carbonate powder with a coating agent, and then stirring at a high speed to ensure that calcium carbonate particles and the coating agent are fully rubbed, so as to ensure that the coating agent is tightly adhered to the calcium carbonate particles.
The calcium carbonate powder is modified by using a high-speed mixer independently, the production mode is intermittent, the production efficiency is low, the labor intensity of workers is high, and the surface modification effect of the calcium carbonate powder is unstable. The calcium carbonate powder usually contains a certain amount of moisture due to the influence of production, storage and transportation links, the moisture attached to the surface of the calcium carbonate powder directly influences the coating effect of the modifier on the calcium carbonate powder particles, and the modification of the calcium carbonate powder is suitably carried out at a certain temperature. The existing calcium carbonate powder surface modification equipment is mostly heated up by directly rubbing the impeller with calcium carbonate powder, the calcium carbonate powder cannot be preheated, and the friction heating efficiency is low, so that the modification can be completed only by stirring for a long time, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a calcium carbonate powder surface modification equipment to the calcium carbonate powder surface modification equipment intensification inefficiency among the solution prior art, technical problem that production efficiency is low.
The technical proposal of the calcium carbonate powder surface modification equipment of the utility model is that:
a calcium carbonate powder surface modification device comprises a screw conveyor, a calcium carbonate powder tank, a modifier tank, a film coating device, a cyclone separator and a bag type dust collector which are connected in sequence;
the spiral conveyor comprises an installation barrel, a heat conduction oil cavity is arranged in the barrel wall of the installation barrel, and a first oil inlet pipe and a first oil outlet pipe which are communicated with the heat conduction oil cavity are arranged on the barrel wall; the film coating device comprises a stirring cylinder, a stirring rod is rotationally assembled in the stirring cylinder, a heat conduction oil annular space is arranged in the wall of the stirring cylinder, and a second oil inlet pipe and a second oil outlet pipe which are communicated with the heat conduction oil annular space are arranged on the stirring cylinder; the calcium carbonate powder jar is arranged screw conveyer's discharge gate downside, the calcium carbonate powder jar with be equipped with first inlet pipe between the churn, the modifier jar with be equipped with the second inlet pipe between the churn, be equipped with on the churn through the connecting pipe with the vacuum pump of the inside intercommunication of churn.
As a further improvement to the above technical solution, the first oil inlet pipe is located at the lower end of the installation cylinder, and the first oil outlet pipe is located at the upper end of the installation cylinder; the second oil inlet pipe is located at the lower end of the mixing drum, and the second oil outlet pipe is located at the lower end of the mixing drum.
As a further improvement to the technical scheme, the stirring drum comprises a drum body and a drum cover, the heat conducting oil is arranged on the drum body in an annular mode, the stirring rods are multiple and are rotatably assembled in the drum cover, the drum cover is fixedly connected with a driving motor, and a gear transmission mechanism for realizing the driving connection of the driving motor and the stirring rods is arranged in the drum cover.
As a further improvement to the technical scheme, the lower end of the stirring drum is of a conical structure, a discharge pipe is arranged at the lower end of the conical structure, and a stop valve is arranged on the discharge pipe.
As a further improvement to the technical scheme, a discharger is arranged on a discharge hole of the cyclone separator.
As a further improvement to the technical scheme, the calcium carbonate powder surface modification equipment further comprises a draught fan and a discharge pipe which are sequentially connected to the rear side of the bag type dust collector, and the upper end of the discharge pipe is fixedly connected with a rain-proof cap.
The utility model provides a calcium carbonate powder surface modification equipment compares in prior art, and its beneficial effect lies in:
the utility model discloses a calcium carbonate powder surface modification equipment during the use, the conduction oil advances oil pipe and first oil pipe, second oil pipe through first advancing oil pipe, second and advances oil pipe and the annular internal circulation of conduction oil ring of first oil pipe, second oil pipe at screw conveyer's heat conduction oil pocket and churn, preheats the calcium carbonate powder in screw conveyer, the churn, and not only rely on the puddler to preheat calcium carbonate powder. Can quickly remove some water attached to the surface of the calcium carbonate powder, so that the calcium carbonate powder is modified at a proper temperature, the heating efficiency of the calcium carbonate powder is improved, and the production efficiency of the calcium carbonate powder surface modification is further improved. Additionally, the utility model discloses a vacuum pump makes and forms the negative pressure in the churn, and calcium carbonate powder gets into the churn through first inlet pipe under the negative pressure effect in, the modifier gets into the churn through the second inlet pipe under the negative pressure effect in. The calcium carbonate powder and the modifier are dispersed more uniformly in the process of entering the stirring cylinder, which is beneficial to enhancing the mixing effect of the calcium carbonate powder and the modifier, thereby enhancing the production efficiency of the surface modification of the calcium carbonate powder.
The calcium carbonate powder surface modification equipment of the utility model arranges the first oil inlet pipe at the lower end of the installation cylinder and the first oil outlet pipe at the upper end of the installation cylinder; the second oil inlet pipe is arranged at the lower end of the mixing drum, and the second oil outlet pipe is arranged at the upper end of the mixing drum; the flowing time of the heat conduction oil in the heat conduction oil cavity and the heat conduction oil annular space is prolonged, the heat exchange effect of the heat conduction oil, the screw conveyer and the mixing drum is enhanced, and the heating efficiency of the calcium carbonate powder is improved.
Drawings
FIG. 1 is a schematic structural diagram of a calcium carbonate powder surface modification apparatus of the present invention;
FIG. 2 is a schematic structural view of a screw conveyor in the calcium carbonate powder surface modification apparatus of the present invention;
FIG. 3 is a schematic structural diagram of a coating device in the calcium carbonate powder surface modification apparatus of the present invention;
in the figure: 1. a screw conveyor; 2. a film wrapping device; 3. a calcium carbonate powder tank; 4. a modifier tank; 5. a cyclone separator; 6. a bag type dust collector; 7. an induced draft fan; 8. a discharge pipe; 9. a rain cap; 10. a first discharger; 11. a second discharger; 12. mounting the cylinder; 13. a heat conducting oil cavity; 14. a first oil inlet pipe; 15. a first oil outlet pipe; 16. a screw conveyor; 17. a reduction motor; 18. a hopper; 19. a stop valve; 20. a discharge pipe; 21. a barrel; 22. a cylinder cover; 23. heat conducting oil annular space; 24. a second oil inlet pipe; 25. a second oil outlet pipe; 26. a discharge pipe; 27. a stop valve; 28. a stirring rod; 29. a drive motor; 30. a vacuum pump; 31. a first feed tube; 32. a second feed tube.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The specific embodiment of the calcium carbonate powder surface modification equipment of the utility model, as shown in fig. 1 to 3, comprises a screw conveyer 1, a calcium carbonate powder tank 3, a modifier tank 4, a coating device 2, a cyclone separator 5, a bag type dust collector 6, a draught fan 7 and a discharge pipe 8; wherein, calcium carbonate powder jar 3 sets up under screw conveyor 1's discharge gate for receive the calcium carbonate powder that screw conveyor 1 carried. The film coating device 2, the cyclone separator 5, the bag type dust collector 6, the induced draft fan 7 and the discharge pipe 8 are connected in sequence through connecting pipes.
Specifically, the screw conveyor 1 includes a mounting cylinder 12, an auger 16 rotatably assembled in the mounting cylinder 12, and a reduction motor 17 fixedly connected to the mounting cylinder 12 and in transmission connection with the auger 16. A heat conducting oil cavity 13 coaxial with the installation barrel 12 is formed in the barrel wall of the installation barrel 12, and the heat conducting oil cavity 13 is an annular cavity. The lower end of the mounting cylinder 12 is welded with a first oil inlet pipe 14 communicated with the heat conducting oil chamber 13, and the upper end of the mounting cylinder 12 is welded with a first oil outlet pipe 15 communicated with the heat conducting oil chamber 13. The first oil inlet pipe 14 is located at one end of the installation cylinder 12 where the speed reduction motor 17 is arranged, and the first oil outlet pipe 15 is located at one end of the installation cylinder 12 away from the end where the speed reduction motor 17 is arranged. The mounting cylinder 12 is welded with a hopper 18 at the upper side of one end provided with the first oil inlet pipe 14, the hopper 18 is communicated with the inside of the mounting cylinder 12, and a stop valve 19 is arranged on the hopper 18. A discharge pipe 20 is welded to the lower side of one end, provided with the first oil outlet pipe, of the mounting barrel 12, and the discharge pipe 20 is also communicated with the inside of the mounting barrel 12. When the oil-feeding device is used, the first oil feeding pipe 14 is connected with an oil outlet of the heat-conducting oil pump through an oil pipe, and the first oil discharging pipe 15 is connected with an oil inlet of the heat-conducting oil pump through an oil pipe. The speed reduction motor 17 drives the auger 16 to rotate, the auger 16 conveys the calcium carbonate powder in the hopper 18 to the discharge pipe 26, and in the conveying process, the installation cylinder 12 with the temperature increased after heat exchange with the heat conduction oil preheats the calcium carbonate powder and removes the moisture attached to the surface of the calcium carbonate powder.
In this embodiment, calcium carbonate powder jar 3 is provided with tubaeform funnel structure including a jar body, the upper end of jar body to calcium carbonate powder from screw conveyer 1 output can enter into completely in the calcium carbonate powder jar 3.
In this embodiment, the coating device 2 includes the churn, the churn includes barrel 21 and cover 22, conduction oil annular space 23 has been seted up in the section of thick bamboo wall of barrel 21, the welding has the second oil pipe 24 and the second that communicates with conduction oil annular space 23 to go out oil pipe 25 on the barrel 21, the second oil pipe 24 is located the downside of barrel 21, the second goes out oil pipe 25 and is located the upside of barrel 21, and the second oil pipe 24 and the second both sides that go out oil pipe 25 and be located the churn respectively of advancing oil pipe 25, in order to increase the flow time of conduction oil in conduction oil annular space 23 as far as. The lower end of the cylinder 21 is a downward convex conical structure, and a discharge pipe 26 communicated with the inside of the cylinder 21 is welded at the central position of the conical structure. A shut-off valve 27 is attached to the discharge pipe 26 to control opening and closing of the discharge pipe 26. A plurality of stirring rods 28 are rotatably assembled in the cylinder cover 22, the cylinder cover 22 is of a cylindrical structure, and the plurality of stirring rods 28 are uniformly arranged at intervals along the circumferential direction of the cylinder cover 22. The cylinder cover 22 is internally provided with a mounting cavity, the stirring rod 28 is rotatably assembled on the cylinder cover 22 through a bearing, and the upper end of the stirring rod 28 extends upwards into the mounting cavity of the cylinder cover 22. A driving motor 29 is fixedly arranged at the central position of the upper end of the cylinder cover 22, and an output shaft of the driving motor 29 downwards penetrates into the mounting cavity of the cylinder cover 22. The driving motor 29 is in transmission connection with each stirring rod 28 through a gear transmission mechanism, and the gear transmission mechanism comprises a driving gear and a plurality of driven gears meshed with the driving gear. The driving gear is fixedly connected with the end part of the output shaft of the driving motor 29, and a plurality of driven gears are correspondingly connected with one end of the stirring rod 28 in the installation cavity. When the oil-feeding device is used, the oil outlet of the heat-conducting oil pump is connected with the second oil inlet pipe 24 through the oil pipe, and the oil inlet of the heat-conducting oil pump is connected with the second oil outlet pipe 25 through the oil pipe. The driving motor 29 drives the stirring rod 28 to rotate through the gear transmission mechanism, and the stirring rod 28 mixes the calcium carbonate powder in the stirring cylinder with the modifier so that the calcium carbonate powder particles are fully contacted with the modifier.
In this embodiment, the calcium carbonate powder tank 3 is communicated with the mixing drum through a first feeding pipe 31, and the modifier tank 4 is communicated with the mixing drum through a second feeding pipe 32. The upper end of the cylinder cover 22 is fixedly connected with a vacuum pump 30, and the vacuum pump 30 is communicated with the interior of the mixing cylinder through a connecting pipe and used for pumping out air in the mixing cylinder.
In this implementation, cyclone 5's inlet end passes through the connecting pipe to be connected with discharging pipe 26 on the churn, the first tripper 10 of fixedly connected with on cyclone 5's the discharging pipe 26, and cyclone 5's the end of giving vent to anger is connected with bag collector 6's inlet end through the connecting pipe, and bag collector 6's discharge end is connected with second tripper 11. The air outlet end of the bag type dust collector 6 is connected with the air inlet end of the induced draft fan 7 through a connecting pipe, and the air outlet end of the induced draft fan 7 is connected with the discharge pipe 8. The discharge pipe 8 is a straight pipe which is vertically arranged, and the upper end of the discharge pipe 8 is fixedly connected with a rain-proof cap 9.
The use principle of the calcium carbonate powder surface modification setting of the utility model is as follows: the first oil inlet pipe 14 is connected with an oil outlet of the heat-conducting oil pump through an oil pipe, and the first oil outlet pipe 15 is connected with an oil inlet of the heat-conducting oil pump through an oil pipe. The oil outlet of the heat-conducting oil pump is connected with the second oil inlet pipe 24 through an oil pipe, and the oil inlet of the heat-conducting oil pump is connected with the second oil outlet pipe 25 through an oil pipe. The speed reduction motor 17 drives the auger 16 to rotate, the auger 16 conveys the calcium carbonate powder in the hopper 18 to the discharge pipe 26, and in the conveying process, the installation cylinder 12 with the temperature increased after heat exchange with the heat conduction oil preheats the calcium carbonate powder and removes the moisture attached to the surface of the calcium carbonate powder. The vacuum pump 30 pumps the stirring cylinder into negative pressure, calcium carbonate powder enters the stirring cylinder through the first feeding pipe 31 under the action of the negative pressure, and the modifier enters the stirring cylinder through the second feeding pipe 32 under the action of the negative pressure. The driving motor 29 drives the stirring rod 28 to rotate through the gear transmission mechanism, and the stirring rod 28 mixes the calcium carbonate powder in the stirring cylinder with the modifier so that the calcium carbonate powder particles are fully contacted with the modifier. After the calcium carbonate powder particles and the modifier are fully mixed, a stop valve on the stirring cylinder is opened, the cyclone separator 5 pumps the calcium carbonate powder particles and the modifier into the cyclone separator 5, and the calcium carbonate powder particles and the modifier are discharged through a discharger at the lower end of the cyclone separator 5. The dust enters the bag type dust collector 6 under the action of the induced draft fan 7, and the calcium carbonate powder particles and the modifier in the ash hopper of the bag type dust collector 6 are discharged out through the discharger at the lower end of the ash hopper.
The utility model provides a calcium carbonate powder surface modification sets up, compares in prior art, has following advantage: the utility model discloses can detach some moisture of calcium carbonate powder surface adhesion fast, make calcium carbonate powder modification go on under suitable temperature, improve calcium carbonate powder intensification efficiency, and then improve calcium carbonate powder surface modification production efficiency. Additionally, the utility model discloses a vacuum pump 30 makes and forms the negative pressure in the churn, and in calcium carbonate powder got into the churn through first inlet pipe 31 under the negative pressure effect, the modifier got into in the churn through second inlet pipe 32 under the negative pressure effect. The calcium carbonate powder and the modifier are dispersed more uniformly in the process of entering the stirring cylinder, which is beneficial to enhancing the mixing effect of the calcium carbonate powder and the modifier, thereby enhancing the production efficiency of the surface modification of the calcium carbonate powder.
The calcium carbonate powder surface modification equipment of the utility model arranges the first oil inlet pipe 14 at the lower end of the installation cylinder 12 and the first oil outlet pipe 15 at the upper end of the installation cylinder 12; the second oil inlet pipe 24 is arranged at the lower end of the mixing drum, and the second oil outlet pipe 25 is arranged at the upper end of the mixing drum; the flowing time of the heat conduction oil in the heat conduction oil cavity and the heat conduction oil annular space 23 is prolonged, the heat exchange effect of the heat conduction oil, the screw conveyor 1 and the mixing drum is enhanced, and the heating efficiency of the calcium carbonate powder is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. A calcium carbonate powder surface modification equipment is characterized in that: comprises a screw conveyer, a calcium carbonate powder tank, a modifier tank, a film coating device, a cyclone separator and a bag type dust collector which are connected in sequence;
the spiral conveyor comprises an installation barrel, a heat conduction oil cavity is arranged in the barrel wall of the installation barrel, and a first oil inlet pipe and a first oil outlet pipe which are communicated with the heat conduction oil cavity are arranged on the barrel wall; the film coating device comprises a stirring cylinder, a stirring rod is rotationally assembled in the stirring cylinder, a heat conduction oil annular space is arranged in the wall of the stirring cylinder, and a second oil inlet pipe and a second oil outlet pipe which are communicated with the heat conduction oil annular space are arranged on the stirring cylinder; the calcium carbonate powder jar is arranged screw conveyer's discharge gate downside, the calcium carbonate powder jar with be equipped with first inlet pipe between the churn, the modifier jar with be equipped with the second inlet pipe between the churn, be equipped with on the churn through the connecting pipe with the vacuum pump of the inside intercommunication of churn.
2. The calcium carbonate powder surface modification apparatus of claim 1, characterized in that: the first oil inlet pipe is positioned at the lower end of the mounting cylinder, and the first oil outlet pipe is positioned at the upper end of the mounting cylinder; the second oil inlet pipe is located at the lower end of the mixing drum, and the second oil outlet pipe is located at the upper end of the mixing drum.
3. The calcium carbonate powder surface modification apparatus of claim 1, characterized in that: the mixing drum comprises a drum body and a drum cover, wherein the heat conduction oil is arranged on the drum body in an annular mode, the mixing rod is provided with a plurality of mixing rods, the mixing rods are rotatably assembled in the drum cover, a driving motor is fixedly connected onto the drum cover, and a gear transmission mechanism which is connected with the mixing rods in a transmission mode is arranged in the drum cover.
4. The calcium carbonate powder surface modification apparatus of claim 1, characterized in that: the lower extreme of churn is the toper structure, the lower extreme of toper structure is equipped with the discharging pipe, be equipped with the stop valve on the discharging pipe.
5. The calcium carbonate powder surface modification apparatus of claim 1, characterized in that: and a discharger is arranged on a discharge hole of the cyclone separator.
6. The calcium carbonate powder surface modification apparatus of claim 1, characterized in that: calcium carbonate powder surface modification equipment still including connecting gradually the draught fan and the delivery pipe of bag collector rear side, the upper end fixedly connected with of delivery pipe keeps off the rain cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021459196.8U CN212999548U (en) | 2020-07-22 | 2020-07-22 | Calcium carbonate powder surface modification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021459196.8U CN212999548U (en) | 2020-07-22 | 2020-07-22 | Calcium carbonate powder surface modification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212999548U true CN212999548U (en) | 2021-04-20 |
Family
ID=75517432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021459196.8U Active CN212999548U (en) | 2020-07-22 | 2020-07-22 | Calcium carbonate powder surface modification equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212999548U (en) |
-
2020
- 2020-07-22 CN CN202021459196.8U patent/CN212999548U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105753519A (en) | Quick drying and fermenting device for livestock and poultry faeces | |
| CN207688530U (en) | A kind of centrifugal energy saving feed drying device | |
| CN109720890A (en) | A kind of multistage spiral continuous feeding device for granule materials | |
| CN214210519U (en) | Carbonization tower with high carbonization rate for calcium carbonate production | |
| CN113694814B (en) | A batching mixes integration preparation machine for deoiling strippable coating preparation | |
| CN212999548U (en) | Calcium carbonate powder surface modification equipment | |
| CN205740796U (en) | A kind of fowl poultry kind feces flash baking installation for fermenting | |
| CN218741767U (en) | Material conveying device for powder coating | |
| CN206881536U (en) | A kind of agitator | |
| CN113429735B (en) | Antibacterial plastic product and production process thereof | |
| CN212795487U (en) | Raw material mixing equipment for plastic plate production | |
| CN210765097U (en) | Soft carbon black wet granulating machine | |
| CN112108072A (en) | Discharging control device and discharging control method for stirring lithium battery slurry | |
| CN210054580U (en) | Feed quality guaranteeing device | |
| CN206750997U (en) | Pneumatic conveyer | |
| CN114061286A (en) | Bidirectional auger frying pan | |
| CN215283266U (en) | Feeding device in extruder | |
| CN208531471U (en) | A kind of PVC powder charging gear | |
| CN208558252U (en) | Plastic extruder with exhaust | |
| CN208003879U (en) | Material dispersion stirring system before coating material production | |
| CN207747257U (en) | A kind of tubing raw material mixing machine | |
| CN211443884U (en) | Anti-blocking spiral material conveying machine | |
| CN211636437U (en) | A change sugar jar for sirup production | |
| CN113681859B (en) | High-efficient prilling granulator of modified resin granule and master batch containing gangue | |
| CN215703575U (en) | Air cleaner sealing washer feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |