CN109251417A - A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press - Google Patents
A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press Download PDFInfo
- Publication number
- CN109251417A CN109251417A CN201810754320.4A CN201810754320A CN109251417A CN 109251417 A CN109251417 A CN 109251417A CN 201810754320 A CN201810754320 A CN 201810754320A CN 109251417 A CN109251417 A CN 109251417A
- Authority
- CN
- China
- Prior art keywords
- thermally conductive
- plate material
- conductive membrane
- filter plate
- membrane filter
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 60
- 239000012528 membrane Substances 0.000 title claims abstract description 26
- 239000012065 filter cake Substances 0.000 title claims abstract description 23
- 238000001035 drying Methods 0.000 title claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 29
- 229920001155 polypropylene Polymers 0.000 claims abstract description 29
- -1 polypropylene Polymers 0.000 claims abstract description 28
- 229920001577 copolymer Polymers 0.000 claims abstract description 14
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 13
- 238000011049 filling Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 229910002804 graphite Inorganic materials 0.000 claims description 15
- 239000010439 graphite Substances 0.000 claims description 15
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 13
- 239000011231 conductive filler Substances 0.000 claims description 11
- 229910052582 BN Inorganic materials 0.000 claims description 8
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 8
- 229920002397 thermoplastic olefin Polymers 0.000 claims description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 1
- 238000009472 formulation Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 102220042174 rs141655687 Human genes 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/164—Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
Abstract
The present invention relates to Heat Conduction Material technical fields, disclose a kind of membrane filter plate Heat Conduction Material of filter cake heated drying filter press, using co-polymer polypropylene as substrate, the heat filling of filling quality percent concentration≤60% and the impact modifier of mass percent concentration >=5%.The yield tensile strength range of thermally conductive polypropylene formulations material in the present invention is 2-30N/mm2, thermal coefficient >=0.22W/m.K, hardness >=30 shore D, crystallinity≤38% can be applied to the diaphragm of welded type or replaceable membrane filter plate.
Description
Technical field
The present invention relates to Heat Conduction Material technical fields, specifically, being related to a kind of the thermally conductive of filter cake heated drying filter press
Membrane filter plate material.
Background technique
In industrial separation of solid and liquid, diaphragm filter press has important role.Diaphragm filter press is at work, right
The filter cake formed in filtering chamber pressurizes, by diaphragm flexible by moisture extrusion.
Currently, mostly industrial products need filter cake mass dryness fraction with higher, for this purpose, be usually by diaphragm water of compaction into
Row heating, makes filter cake temperature be heated to about 85 DEG C, then vacuumizes again to filter cake, evaporate moisture content therein, so that filter cake has
Higher mass dryness fraction.Since current diaphragm material mostly uses polypropylene (PP), TPE or rubber, they are heat insulation bodies, so this
A technique is limited.Furthermore the evaporation of water is an endothermic process, and filter cake cooling is fast, also results in and vacuumizes efficiency change
It is low.Such consequence is exactly that heat cycles needs, which are repeated several times, can just obtain a reasonable filter cake mass dryness fraction.Depending on different
Product, a complete circulation take around 7 hours, and efficiency is very low.
Summary of the invention
The contents of the present invention are to provide a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press, it is in polypropylene
The inorganic Heat Conduction Material of addition, the ingredients such as anti-impact modifier and auxiliary agent can be improved the thermal conductivity of material, flexibility in base-material
And stability, certain or certain defects of the prior art can be overcome.
A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press, including co-polymer polypropylene, further include quality
The heat filling of percent concentration≤60% and the impact modifier of mass percent concentration >=5%.
Wherein, co-polymer polypropylene is a kind of hemicrystalline thermoplastic, impact resistance with higher, engineering properties
It is tough, it is suitable as the base-material of diaphragm；
Conductive filler material can increase the heating conduction of diaphragm material, so as to improve the drying efficiency of filter cake；
Anti-impact modifier can eliminate polypropylene base-material to be caused to become fragile scarce because of the inorganic conductive filler material of addition
Point.
Preferably, the present invention, using inorganic Heat Conduction Material as filler, these suitable fillers are metal powder, stone
Ink, boron nitride or other conductive materials.Using the mixture of one or more of materials, it can make diaphragm that there is better thermal conductivity
Can, so that the cooling express delivery of filter cake be made to decline, improve the efficiency of filtration cakes torrefaction.Depending on the density of packing material, filling it is dense
Degree can be up to 60%.
Preferably, using graphite as conductive filler material, heating conduction is promoted obvious.During invention, work as material
It is filled with the graphite of 20-34% in material, co-polymer polypropylene 46~57.3%, when anti-impact modifier 18~23%, material
Thermal coefficient can achieve 0.35W/m.K, this data, which is much higher than, is commonly used in common membrane filter plate material -- standard poly- third
The thermal coefficient 0.22W/m.K of alkene material.
Preferably, the substrate of material of the present invention is the co-polymer polypropylene of ethylene contents >=4%.It can be poly- with thermoplastic
The polypropylene of alkene, or the thermoplastic elastomer based on EPDM ternary rubber, NBR rubber or other common rubber or nodeless mesh into
Row mixing, to offset the brittleness of material.
Preferably, anti-impact modifier is thermoplastic olefin, amorphous polypropylene (amorphous
Polypropylene) or at least two in thermoplastic elastomer (TPE) or thermoplastic olefin, amorphous polypropylene and thermoplastic elastomer (TPE)
The mixture of kind.Thermoplastic olefin, amorphous polypropylene and thermoplastic elastomer (TPE) have high resiliency, ageing-resistant and oil resistivity
Feature mixes the brittleness that can offset material with co-polymer polypropylene.During invention, by adding anti-ballistic materials
Modified and impact preventing energy, when inorganic fill agent content is 30%, diaphragm material formula still has excellent bending and draftability
Can, it is fully able to meet the various performances of membrane filter plate diaphragm needs.
Preferably, conductive filler material grain diameter D90≤30 μm, heat-conducting effect are good.Thinner conductive filler material
Expect that particle has better heating conduction.
Preferably, adding the boron nitride of certain mass in conductive filler material can be significantly improved using its synergistic effect
The heating conduction of material.Mass percent concentration is used during invention can make thermal coefficient aobvious for 1% boron nitride
It writes and increases, significantly reduce cost.
The present invention enables to the surrender of thermally conductive polypropylene formulations to stretch by the heat filling in thermally conductive polypropylene formulations
Strength range is 2-30N/mm2, thermal coefficient >=0.22W/m.K, hardness >=30 shore D, crystallinity≤38%, it can be used to
Welded type or replaceable diaphragm.
Detailed description of the invention
Fig. 1 is the line chart of table 2.
Fig. 2 is the line chart of table 3.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only to the present invention explain and and it is non-limiting.
Embodiment 1
A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press, including co-polymer polypropylene, further include quality
The heat filling of percent concentration≤60%, the impact modifier of mass percent concentration >=5%.Thermally conductive diaphragm in the present embodiment
The specific proportion of strainer plate material are as follows: concentration includes: co-polymer polypropylene 57.3%, anti-impact modifier by mass percentage for it
18%, heat filling 24%, auxiliary agent 0.7%.
Wherein, containing the ethylene of mass percent concentration >=4% in co-polymer polypropylene, anti-impact modifier is thermoplasticity
Alkene.Conductive filler material is the graphite that mass percent concentration is 30%, D90=1.6 μm of graphite particle partial size.
Embodiment 2
With embodiment 1, except that in the present embodiment in the present embodiment thermally conductive membrane filter plate material specific proportion are as follows:
Concentration includes: co-polymer polypropylene 52.3%, anti-impact modifier 20%, heat filling 27%, auxiliary agent by mass percentage for it
0.7%.
Embodiment 3
With embodiment 1, except that in the present embodiment in the present embodiment thermally conductive membrane filter plate material specific proportion are as follows:
Concentration includes: co-polymer polypropylene 46.3%, anti-impact modifier 23%, heat filling 30%, auxiliary agent by mass percentage for it
0.7%.
Embodiment 4
With embodiment 1, except that D90=6 μm of graphite particle partial size.
Embodiment 5
With any one embodiment in embodiment 1-4, except that conductive filler material is that mass percent concentration is
1% boron nitride.
The graphite that equal quality is substituted with the boron nitride that mass percent concentration is 1%, produces significantly thermal coefficient
Synergistic effect, thermal coefficient can dramatically increase, and concrete outcome is shown in Table 2.
| Graphite concentration | Boron nitride concentration | Thermal coefficient |
| 27% | Nothing | 0.276 |
| 26% | 1% | 0.292 |
| 30% | Nothing | 0.291 |
| 29% | 1% | 0.313 |
Table 1
Comparing embodiment and embodiment 2 of the present invention, when temperature is 20 DEG C, the graphite of two kinds of different-grain diameters is in various concentration
The variation of lower thermal coefficient is as shown in Figure 1, concrete outcome is shown in Table 2:
| Graphite concentration (%) | 1.6 μm of graphite partial size (D90) | 6 μm of graphite partial size (D90) |
| 16% | -- | 0.23W/m.K |
| 20% | 0.27W/m.K | |
| 24% | 0.303W/m.K | 0.30W/m.K |
| 27% | 0.330W/m.K | -- |
| 28% | -- | 0.32W/m.K |
| 30% | 0.353W/m.K | -- |
Table 2
As shown in Table 2, the levels of heat filling have main influence, graphite concentration 30% to heating conduction
When, thermal coefficient can achieve 0.35W/m.K, this data is much higher than leading for the membrane filter plate material commonly used in filtration cakes torrefaction
Hot coefficient, standard polypropylene are about 0.22W/m.K.The particle diameter distribution of conductive filler material is also critically important simultaneously, and thinner
Grain can achieve higher heating conduction relative to thicker particle.
The performance test knot of several formula materials done according to embodiments of the present invention 1, embodiment 2 and embodiment 3
Fruit is as shown in Fig. 2, concrete outcome is shown in Table 3:
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Tensile strength at 20 DEG C | 22N/mm2 | 20N/mm2 | 23N/mm2 |
| Elongation at break at 20 DEG C | 621% | 611% | 607% |
| Shore hardness | 68 | 67 | 69 |
| Thermal coefficient at 85 DEG C | 0.2606 | 0.2778 | 0.2831 |
As seen from the above table, still have containing the thermally conductive membrane filter plate material that mass percentage concentration is 30% graphite excellent curved
Bent and tensile property can sufficiently meet the mechanical performance of diaphragm needs.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press, which is characterized in that including co-polymer polypropylene, also
The impact modifier of heat filling and mass percent concentration >=5% including mass percent concentration≤60%.
2. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press according to claim 1, it is characterised in that:
The co-polymer polypropylene used is the co-polymer polypropylene of ethylene contents >=4%.
3. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press according to claim 1, it is characterised in that:
Anti-impact modifier is one of thermoplastic olefin, non-crystalline type polypropylene or thermoplastic elastomer (TPE) or thermoplastic olefin, non-
At least two mixture in crystal type polypropylene and thermoplastic elastomer (TPE).
4. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press according to claim 1, it is characterised in that:
Conductive filler material is at least two in one of metal powder, graphite or boron nitride or metal powder, graphite and boron nitride
The mixture of kind.
5. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press according to claim 4, it is characterised in that:
Conductive filler material grain diameter D90≤30 μm.
6. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press according to claim 1, it is characterised in that:
Thermally conductive membrane filter plate material yield tension strength range is 2-30N/mm2；The thermal coefficient of thermally conductive membrane filter plate material >=
0.22W/m.K；Hardness >=30 shore D of thermally conductive membrane filter plate material；Crystallinity≤38% of thermally conductive membrane filter plate material.
7. a kind of thermally conductive membrane filter plate material of filter cake heated drying filter press according to claim 1, it is characterised in that:
Thermally conductive membrane filter plate material is used for welded type or replaceable diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810754320.4A CN109251417A (en) | 2018-07-11 | 2018-07-11 | A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810754320.4A CN109251417A (en) | 2018-07-11 | 2018-07-11 | A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109251417A true CN109251417A (en) | 2019-01-22 |
Family
ID=65051573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810754320.4A Pending CN109251417A (en) | 2018-07-11 | 2018-07-11 | A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109251417A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962454A (en) * | 2009-07-23 | 2011-02-02 | 倪平 | Heat-conducting and electricity-conducting modified plastic material and preparation method |
| CN104559149A (en) * | 2014-12-16 | 2015-04-29 | 惠州力王佐信科技有限公司 | Carbon composite high-thermal-conductivity plastic material and preparation method thereof |
| CN106750999A (en) * | 2016-12-26 | 2017-05-31 | 浙江普利特新材料有限公司 | One kind has high-termal conductivity, environmentally friendly PP composite material and preparation method thereof |
| CN107841054A (en) * | 2016-09-19 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of polypropene composition and polypropylene material and its application |
-
2018
- 2018-07-11 CN CN201810754320.4A patent/CN109251417A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962454A (en) * | 2009-07-23 | 2011-02-02 | 倪平 | Heat-conducting and electricity-conducting modified plastic material and preparation method |
| CN104559149A (en) * | 2014-12-16 | 2015-04-29 | 惠州力王佐信科技有限公司 | Carbon composite high-thermal-conductivity plastic material and preparation method thereof |
| CN107841054A (en) * | 2016-09-19 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of polypropene composition and polypropylene material and its application |
| CN106750999A (en) * | 2016-12-26 | 2017-05-31 | 浙江普利特新材料有限公司 | One kind has high-termal conductivity, environmentally friendly PP composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cheewawuttipong et al. | Thermal and mechanical properties of polypropylene/boron nitride composites | |
| CN104497421A (en) | Modified master batch for enhancing toughness of PPR water supply pipe | |
| CN106046550A (en) | High-temperature-resistant, aging-resistant and impact-resistant heat-conduction polypropylene material and preparing method thereof | |
| CN107207869A (en) | The manufacture method of CNT elastic composite, sealing member material and encapsulant using it and CNT elastic composite | |
| CN110248911B (en) | Graphite material | |
| CN106560488B (en) | Elastomer composition and molded body comprising same | |
| CN109456542A (en) | A kind of rubber insulation material | |
| CN105837950B (en) | A kind of polyolefin-based conductive and dielectric composite material and preparation method thereof | |
| CN103554913A (en) | Insulation thermal conductive polyphenylene sulfide composite material and preparation method thereof | |
| CN115403861B (en) | Isotropic electromagnetic shielding polypropylene composite material and preparation and application thereof | |
| CN110603140A (en) | Flexible pipe with stable flow speed and manufacturing and using method thereof | |
| CN109251417A (en) | A kind of thermally conductive membrane filter plate material of filter cake heated drying filter press | |
| CN106147032A (en) | A kind of low-shrinkage modified polypropylene composite material and preparation method thereof | |
| KR101794079B1 (en) | Heating element manufactured using carbon nanotube and polymer | |
| CN101784603B (en) | Soft polyolefin compositions with improved processability | |
| CN103524903A (en) | Polypropylene composition and preparation method thereof | |
| CN109651700A (en) | A kind of permanent conductive plastics particle and preparation method thereof | |
| CN115073923A (en) | Low-specific-gravity high-heat-conductivity wave-absorbing gasket and preparation method thereof | |
| RU2011154336A (en) | MATERIALS INCLUDING THE MATRIX, AND METHOD FOR THEIR MANUFACTURE | |
| Li et al. | Electrical and mechanical properties of the dielectric capacitor film based on polyvinylidene fluoride and aromatic polythiourea | |
| CN107022136A (en) | A kind of heat-pesistant thin film | |
| US8123984B2 (en) | Positive temperature coefficient polymer composition and material made therefrom | |
| CN103992643A (en) | Preparation method for antistatic silicone rubber | |
| CN105504416B (en) | A kind of high temperature resistant oil resistant neoprene preparation raw material | |
| KR101567450B1 (en) | Antistatic composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190122 |
|
| RJ01 | Rejection of invention patent application after publication |