CN202823263U - PVC (polyvinyl chloride) mixing machine capable of dehumidifying - Google Patents
PVC (polyvinyl chloride) mixing machine capable of dehumidifying Download PDFInfo
- Publication number
- CN202823263U CN202823263U CN 201220572721 CN201220572721U CN202823263U CN 202823263 U CN202823263 U CN 202823263U CN 201220572721 CN201220572721 CN 201220572721 CN 201220572721 U CN201220572721 U CN 201220572721U CN 202823263 U CN202823263 U CN 202823263U
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- pvc
- mixing chamber
- filter
- vacuum line
- dehumidifies
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Abstract
The utility model discloses a PVC (polyvinyl chloride) mixing machine capable of dehumidifying. The PVC mixing machine comprises a mixing chamber of which the top is provided with a feeding hole; the bottom of the mixing chamber is provided with a discharging hole; the top of the mixing chamber is connected with a vacuum generation system through a vacuum pipeline; and a filtering plate is fixedly arranged at a connection part between the mixing chamber and the vacuum pipeline. By utilizing the PVC mixing machine capable of dehumidifying, the moisture content of a PVC mixing material obtained by mixing can be effectively reduced, the flowability of the PVC mixing material is improved, and the defect of subsequently machined PVC tubing is reduced.
Description
Technical field
The utility model relates to pvc pipe material production and processing field, is specifically related to a kind of PVC mixer that dehumidifies.
Background technology
It is good that polyvinyl chloride (PVC) has processing characteristics, and low cost of manufacture is corrosion-resistant, and the advantages such as insulation obtain the application of more and more extensive use in recent years.
Application number is that 200920087829.4 utility model discloses a kind of high impact polychloroethylene pressure tube (PVC-M pipe), skin is common polyvinyl chloride layer, internal layer is the high rush-resistant polyvinyl chloride layer, common polyvinyl chloride layer thickness is 1/10th to 1/5th of high rush-resistant polyvinyl chloride layer thickness, common polyvinyl chloride layer is by polyvinyl chloride resin, heat stabilizer, lubricant, filler, colouring agent is mixed by a certain percentage and extrudes the outside that is wrapped in the high rush-resistant polyvinyl chloride layer by extruder, and the high rush-resistant polyvinyl chloride layer is by polyvinyl chloride resin, heat stabilizer, lubricant, impact modifier, colouring agent is mixed by a certain percentage by the extruder extrusioning shaping.
Need first raw material to be mixed before making the pvc pipe material, the mixed process of PVC raw material is divided into mixed cold mixed two steps of heat usually.Heat is mixed to be to place the mixed machine of heat to mix PVC and various additive and be heated to the blending that is lower than softening temperature, and the heating-up temperature when heat is mixed generally can be to 100 ℃, even higher.For the mixed compound that obtains of heat is reduced to storage temperature (about 40～50 ℃) as early as possible from the high temperature above 100 ℃, needs first compound is transferred to and carry out cold mixing in the cold mixer.
The contained most of moisture of raw material evaporates and becomes steam under the mixed high temperature of heat, and wherein a part of steam is discharged from the mixed machine charge door of heat, still has most to enter cold mixer with compound.
Generally speaking, the discharging opening of the mixed machine of heat and the charging aperture of cold mixer are connected by filter bag, and filter bag can play the effect that certain buffering is got rid of water vapour.But filter bag is easily stopped up by dust, so utilize filter bag to get rid of water vapour, effect is limited.
In the large situation of component accounting large in air humidity or that water absorption rate is high, the content of moisture is larger in the PVC compound that mixer is mixed to get, and is unfavorable to the following process of PVC.
The utility model content
The utility model provides a kind of PVC mixer that dehumidifies, and can effectively reduce the moisture content of the PVC compound that is mixed to get, and improves the flowability of PVC compound, reduces the defective of the pvc pipe material of following process.
A kind of PVC mixer that dehumidifies, comprise that the top is with the mixing chamber of charging aperture, the bottom of this mixing chamber is with discharging opening, and the top of described mixing chamber connects vacuum generating system by vacuum line, and the connecting portion of described mixing chamber and vacuum line is fixed with filter.
In the mixed process of PVC raw material and additive, described vacuum generating system produces negative pressure, and the water vapour of mixing chamber inside is extracted out, and the dust that PVC raw material and additive mixed process produce is blocked in mixing chamber inside by described filter.
As preferably, the pot cover that described mixing chamber comprises the pot body of open-top and is used for this pot of sealing body top is provided with agitating device in the described pot body, and described charging aperture is opened on the pot cover, and described discharging opening is positioned at bottom of pot body.
Described vacuum generating system is connected with pot cover by vacuum line, and described filter is positioned at the connecting portion of vacuum line and pot cover.
As preferably, described pot cover offers the steam vent that docks with described vacuum line, and described filter is fixed on this steam vent position.
Vacuum generating system produces negative pressure, and the water vapour in the PVC compound enters vacuum line through steam vent, and the filter that is arranged in the steam vent position is blocked in mixing chamber with the dust of PVC compound.
As preferably, described filter is sintered plate or glass fiber net.
Sintered plate has good chemical stability and anti-wear performance, and effectively Chalk-dust filtering is easy to clean long service life.
Sintered plate is made of sinter layer and polytetrafluorethylecoatings coatings, and polytetrafluorethylecoatings coatings one side is arranged towards mixing chamber.Teflon coating layer surface tension is minimum, and the dust in the PVC raw material is difficult for sticking on the polytetrafluorethylecoatings coatings, is beneficial to the discharge of water vapour.
Polytetrafluorethylecoatings coatings should have suitable aperture, water vapour can be passed through, and dust can not pass through.
The advantages such as glass fiber net (glass cloth) has that tensile strength is high, rub resistance, high temperature resistant, solvent resistance, insulation, anti-combustion, repeatedly reusable.
Sintered plate and glass fiber net may be used alone, can also be used in combination, and when guaranteeing that steam sees through, can effectively intercept passing through of dust in the PVC raw material.
As preferably, described vacuum generating system comprises vavuum pump and surge tank, and described vavuum pump and surge tank are interconnected by described vacuum line.
Water vapour in the PVC batch mixing enters vacuum line through filter plate, enters to condense into liquid water in the described surge tank and deposit, and surge tank is provided with discharge outlet, can regularly discharge the water that wherein gathers.
In order to make filter remain good gas permeability, preferably, contiguous filter is provided with the blowback nozzle in the described vacuum line.Described blowback nozzle can carry out reverse purge to filter according to the cycle of setting, the dust that may stop up in the cleaning filter.
As preferably, the outlet side of described blowback nozzle is towards the filter setting, and the inlet end of blowback nozzle is communicated with compressed gas source by the tracheae that extends vacuum line.
Described tracheae is in the outer part of vacuum line pulse valve is installed, behind the cycle unbalanced pulse valve of setting, and described compressed gas source air feed, blowback nozzle purge filter.
The PVC mixer that the utility model can dehumidify can effectively reduce the moisture content in the PVC compound, improves the flowability of PVC compound, is convenient to the processing of follow-up pvc pipe material.
Description of drawings
Fig. 1 is a kind of PVC mixer schematic diagram that dehumidifies of the utility model;
Fig. 2 is A section enlarged drawing among Fig. 1;
Fig. 3 is the sectional schematic diagram of sintered plate in the utility model PVC mixer.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of PVC mixer that dehumidifies of the utility model is described in detail.
As shown in Figure 1 and Figure 2, a kind of PVC mixer that dehumidifies, the filter 6 that comprises the vacuum generating system that the top is connected by vacuum line 4 with the mixing chamber 8 of charging aperture 7, with the top of mixing chamber 8 and be fixed on mixing chamber 8 and the connecting portion of vacuum line 4.
In the mixed process of PVC raw material and additive, vacuum generating system produces negative pressure, and the water vapour of mixing chamber 8 inside is extracted out, and the dust of PVC raw material and additive is filtered plate 6 and is blocked in mixing chamber 8 inside.
The pot cover 14 that mixing chamber 8 comprises the pot body of open-top and is used for this pot of sealing body top is provided with agitating device 11 in the pot body, and charging aperture 7 is opened on the pot cover 14, and the bottom of mixing chamber 8 is with discharging opening 10.Be provided with drive motors 9, be used for driving agitating device 11 and rotate.
Vacuum generating system comprises vavuum pump 2 and surge tank 3, and vavuum pump 2 is interconnected by vacuum line 4 with surge tank 3.Water vapour in the PVC batch mixing enters vacuum line 4 through filter plate 6, enters to condense into liquid water in the surge tank 3 and deposit, and surge tank 3 is provided with discharge outlet 1, can regularly discharge the water that wherein gathers.
When the PVC mixer that the utility model can dehumidify is worked, mixer mixes PVC raw material and additive, vacuum generating system produces negative pressure simultaneously, the steam of mixing chamber 8 inside is extracted out, the dust of PVC raw material and additive is filtered the inside that plate 6 is blocked in mixing chamber 8, thereby removes the moisture in the compound; According to the cycle unbalanced pulse valve 13 of setting, the blowback nozzle carries out back flush to filter 6, the dust of accumulation in the cleaning filter 6.
Claims (7)
1. PVC mixer that can dehumidify, comprise the top with the mixing chamber of charging aperture, the bottom of this mixing chamber is characterized in that with discharging opening, the top of described mixing chamber connects vacuum generating system by vacuum line, and the connecting portion of described mixing chamber and vacuum line is fixed with filter.
2. the PVC mixer that dehumidifies as claimed in claim 1, it is characterized in that the pot cover that described mixing chamber comprises the pot body of open-top and is used for this pot of sealing body top is provided with agitating device in the described pot body, described charging aperture is opened on the pot cover, and described discharging opening is positioned at bottom of pot body.
3. the PVC mixer that dehumidifies as claimed in claim 2 is characterized in that, described pot cover offers the steam vent that docks with described vacuum line, and described filter is fixed on this steam vent position.
4. such as the arbitrary described PVC mixer that dehumidifies of claim 1～3, it is characterized in that, described filter is sintered plate or glass fiber net.
5. the PVC mixer that dehumidifies as claimed in claim 4 is characterized in that, described vacuum generating system comprises vavuum pump and surge tank, and described vavuum pump and surge tank are interconnected by described vacuum line.
6. the PVC mixer that dehumidifies as claimed in claim 5 is characterized in that, contiguous filter is provided with the blowback nozzle in the described vacuum line.
7. the PVC mixer that dehumidifies as claimed in claim 6 is characterized in that, the outlet side of described blowback nozzle is towards the filter setting, and the inlet end of blowback nozzle is communicated with compressed gas source by the tracheae that extends vacuum line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572721 CN202823263U (en) | 2012-11-02 | 2012-11-02 | PVC (polyvinyl chloride) mixing machine capable of dehumidifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572721 CN202823263U (en) | 2012-11-02 | 2012-11-02 | PVC (polyvinyl chloride) mixing machine capable of dehumidifying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823263U true CN202823263U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220572721 Expired - Fee Related CN202823263U (en) | 2012-11-02 | 2012-11-02 | PVC (polyvinyl chloride) mixing machine capable of dehumidifying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823263U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106742876A (en) * | 2016-12-13 | 2017-05-31 | 宜诺(天津)医药工程有限公司 | A kind of the mixture of airstream and strength tank |
| CN108640475A (en) * | 2018-07-18 | 2018-10-12 | 辽宁石油化工大学 | A kind of Novel pollution-free sludge dehydration device |
| CN110437726A (en) * | 2019-08-26 | 2019-11-12 | 佛山市金银河智能装备股份有限公司 | A kind of production technology of polyurethane coating |
| CN114851420A (en) * | 2022-05-19 | 2022-08-05 | 石嘴山市塑料厂 | Mixing method and equipment for hard polyvinyl chloride for plastic pipe production |
-
2012
- 2012-11-02 CN CN 201220572721 patent/CN202823263U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106742876A (en) * | 2016-12-13 | 2017-05-31 | 宜诺(天津)医药工程有限公司 | A kind of the mixture of airstream and strength tank |
| CN108640475A (en) * | 2018-07-18 | 2018-10-12 | 辽宁石油化工大学 | A kind of Novel pollution-free sludge dehydration device |
| CN110437726A (en) * | 2019-08-26 | 2019-11-12 | 佛山市金银河智能装备股份有限公司 | A kind of production technology of polyurethane coating |
| CN114851420A (en) * | 2022-05-19 | 2022-08-05 | 石嘴山市塑料厂 | Mixing method and equipment for hard polyvinyl chloride for plastic pipe production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20181102 |