CN109503096A - A kind of preparation method of filter aid material - Google Patents
A kind of preparation method of filter aid material Download PDFInfo
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- CN109503096A CN109503096A CN201811266406.9A CN201811266406A CN109503096A CN 109503096 A CN109503096 A CN 109503096A CN 201811266406 A CN201811266406 A CN 201811266406A CN 109503096 A CN109503096 A CN 109503096A
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- filter aid
- temperature
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
Abstract
The present invention relates to a kind of preparation methods of filter aid material, belong to filtering material preparation technical field.The present invention first by bamboo plate steam blasting and and soya bean, starch mixed fermentation, filter residue is mixed with montmorillonite, calcium chloride is added, desciccate is made, then desciccate is reacted with sodium hydroxide solution and calcined product is made, finally by calcined product, asbestos, hot pressing is blended in diatomite and other products, it discharges up to filter aid material, the present invention makes the hydroxyl in mixture, amino, carboxyl and other radical amounts increase, to increase the cementation between each molecule, extend the service life of filter aid material, the present invention is by bamboo fibre steam blasting, improve the absorption cementation of bamboo fibre and metal ion and other molecules in filter aid material, the hydrogen bond of moisture sub-key is broken using vacuum freeze drying, improve the strainability of filter aid material, it has a good application prospect.
Description
Technical field
The present invention relates to a kind of preparation methods of filter aid material, belong to filtering material preparation technical field.
Background technique
Filter aid is a kind of substance that can improve filtrate filter efficiency.In the row such as sugaring, papermaking, beverage, brewing and paint
In industry, filter aid plays very important effect in terms of filtering.It is negative from processing that is energy saving, reducing slurry consumption and reduction draining
From the point of view of in terms of lotus, most economical method is using efficient regeneration retention aid and filtering aid agent material.This just needs conscientiously to examine filter filter aid
Selection and application and regeneration.
Common filter aid has diatomite, active carbon, perlite, cellulose etc., wherein the application model of super-cell
It encloses relatively wide.Diatomite is loosely fine and smooth, and permeability is strong, but haves the defects that the following aspects as filter aid using diatomite:
(1) the heap density of diatomite is larger, so that filtering velocity is relatively slow；(2) the soluble detrimentals ingredient such as the iron in diatomite, calcium contains
Measure higher, and iron, calcium are present in water and other media with ionic condition, it is difficult to separation removal, so the dissolution rate of iron, calcium compared with
It is high；(3) poor to minute metallic impurity rejection effect, do not have decoloring ability；(4) using in the filter residue generated after diatomite drainage
Mineral material containing diatomite, pollutes to environment, and postorder processing is also very troublesome.
Super-cell used at present is powdery, but powdered super-cell has following lack
Fall into: (1) powdered filter aid is easy diffusion in air when feeding intake, and influences the health of field worker, while can also pollute
Environment, and dust reaches a certain concentration in air can also bring security risk；(2) separation of solid and liquid is difficult, permeability is not strong, mistake
It is poor to filter stability, is unable to satisfy the demand of existing environment；(3) occupied area is larger when storing, also extremely in storage and transport
Inconvenience leads to the higher cost stored in a warehouse and transported.
It becomes a reality urgent project in conclusion studying a kind of mineral filter aids such as environmentally protective alternative diatomite.
Summary of the invention
The technical problems to be solved by the invention: lead to metal component for current filter aid material internal bond performance difference
Defect easy to fall off and bad filter effect provides a kind of preparation method of filter aid material.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of preparation method of filter aid material, it is characterised in that specific preparation step are as follows:
(1) it weighs in 500~700g bamboo plate investment steam blasting tank, is filled with vapor into steam blasting tank, makes gas in tank
Pressure increases, and seals cavity charge containers, and constant temperature and pressure, which is stood, is made steam explosion product；
(2) according to parts by weight, 8~10 parts of above-mentioned steam explosion products, 4~6 portions of soya beans, 1.0~1.2 parts of starch and 12~14 are weighed
Part distilled water puts into fermenter, and will stand in fermentor greenhouse, filter residue is obtained by filtration after standing, clean filter residue 3~5 with hydrochloric acid
It is secondary；
(3) by above-mentioned filter residue and montmorillonite 1:3 in mass ratio investment planetary ball mill, mixed grinding obtains mixture, will mix
It closes in object and calcium chloride solution 1:5 in mass ratio investment beaker, places the beaker heated at constant temperature in water-bath and be made and react suspended
Liquid；
(4) above-mentioned reaction suspension is placed in vacuum freezing drying oven, by the temperature inside the box cryostat, in constant temperature item after freezing
Air pressure in case is reduced under part, vacuum freezedrying, place the product in obtained desciccates dry in baking oven after freezing；
(5) 30~40min of distilled water immersion is used in Xiang Shangshu desciccate investment beaker, sodium hydroxide solution is added dropwise, adjusts pH
Value is stirred with blender to 9~10, filter cake is obtained by filtration after stirring, filter cake is placed in tube furnace, under argon atmosphere, risen
Thermostatic, which is calcined, in blast furnace is made calcined product；
(6) according to parts by weight, 8~10 parts of above-mentioned calcined products, 2~3 parts of asbestos, 5~7 parts of diatomite, 0.6~0.8 are weighed
It is blended uniformly, is suppressed in investment hot press after blending is uniform, discharging is certainly in part graphite powder, 1.0~1.2 parts of gypsum investment blenders
It is so cooled to room temperature up to filter aid material.
The temperature as described in step (1) that vapor is filled with into steam blasting tank is 240~260 DEG C, air pressure liter in tank
Up to 1.5~1.7MPa, constant temperature and pressure time of repose are 50~60min.
Temperature in greenhouse described in step (2) is 35~37 DEG C, relative air humidity is 70~90%, time of repose
It is 7~9 days, the mass fraction of hydrochloric acid is 12~14%.
Revolving speed in planetary ball mill described in step (3) is 550~570r/min, the mixed grinding time is 50~
60min, the mass fraction of calcium chloride solution are 15~17%, and the bath temperature in water-bath is 50~60 DEG C, the heated at constant temperature time
For 100~120min.
Temperature in vacuum freezing drying oven described in step (4) is reduced to -40~-35 DEG C, and the cryostat time is 3
~4h, air pressure drop is 30~50Pa down to vacuum degree in case, and the vacuum freezedrying time is 2~3h, and the temperature in baking oven is 110
~120 DEG C, drying time is 5~6h.
The mass fraction of sodium hydroxide solution described in step (5) is 20~22%, the revolving speed of blender is 600~
650r/min, mixing time are 50~60min, and tubular type in-furnace temperature is increased to 600~700 DEG C, the calcining at constant temperature time is 100~
120min。
Temperature in hot press described in step (6) is 100~120 DEG C, compacting pressure is 8~10MPa, pressing time
For 15~20min.
The method have the benefit that:
(1) first steam explosion product is made in bamboo plate steam blasting by the present invention, and steam explosion product is then mixed hair with soya bean, starch
Ferment is obtained by filtration filter residue, then filter residue is mixed with montmorillonite after fermentation, calcium chloride progress heating water bath is added and is made and reacts suspended
Liquid, then reaction suspension is successively subjected to vacuum freeze drying and high temperature drying, desciccate is made, then by desciccate with
Sodium hydroxide solution reaction, after reaction high-temperature calcination be made calcined product, finally by calcined product, asbestos, diatomite and its
Hot pressing is blended in its product, discharges up to filter aid material, bamboo chip steam blasting is isolated bamboo fibre, is blended into shallow lake by the present invention
Powder and soya bean carry out microbial fermentation, and starch-splitting generates maltose and glucose, and the protein decomposed in soya bean obtains amino
Acid, peptide molecule, increase the hydroxyl in mixture, amino, carboxyl and other radical amounts, to increase between each molecule
Cementation, make the metal cation component in filter aid material be difficult to be detached from, extend the service life of filter aid material；
(2) present invention corrodes bamboo fibre steam blasting using microorganism decomposition, generates a variety of organic groups, improves bamboo fibre
With the absorption cementation of other molecules in metal ion and filter aid material, complexing bonding calcium ion and montmorillonite, benefit
It is broken the hydrogen bond of moisture sub-key with vacuum freeze drying, spacing increase struts surrounding molecular spacing between hydrone, and it is de- to improve illiteracy
Pore structure in soil, bamboo fibre improves filter aid material and extraneous contact area, improves the filterability of filter aid material
Can, while so that bamboo fiber charcoal metaplasia is further strengthened at porous surface active carbon the filterability of filter aid material using high-temperature calcination
Can, it has a good application prospect.
Specific embodiment
It weighs in 500~700g bamboo plate investment steam blasting tank, it is 240~260 that temperature is filled with into steam blasting tank
DEG C vapor seal cavity charge containers until air pressure is increased to 1.5~1.7MPa in tank, constant temperature and pressure stands 50~60min, system
Obtain steam explosion product；According to parts by weight, 8~10 parts of above-mentioned steam explosion products, 4~6 portions of soya beans, 1.0~1.2 parts of starch and 12 are weighed
~14 parts of distilled water put into fermenter, and are 35~37 DEG C by fermentor investment temperature, the temperature that relative air humidity is 70~90%
In room, 7~9 days are stood, filter residue is obtained by filtration after standing, cleaned filter residue 3~5 times with the hydrochloric acid that mass fraction is 12~14%；It will
In above-mentioned filter residue and montmorillonite 1:3 in mass ratio investment planetary ball mill, mixed under conditions of revolving speed is 550~570r/min
50~60min of grinding obtains mixture, and the calcium chloride solution 1:5 in mass ratio that mixture and mass fraction are 15~17% is thrown
Enter in beaker, places the beaker in the water-bath that bath temperature is 50~60 DEG C, it is outstanding that reaction is made in 100~120min of heated at constant temperature
Turbid；Above-mentioned reaction suspension is placed in vacuum freezing drying oven, the temperature inside the box is reduced to -40~-35 DEG C, cryostat
3~4h, reduces in case air pressure until vacuum degree is 30~50Pa under constant temperature conditions after freezing, vacuum freezedrying 2~3h, cold
Place the product in baking oven after jelly, desciccate is made in dry 5~6h under conditions of temperature is 110~120 DEG C；It is done to above-mentioned
30~40min of distilled water immersion is used in dry product investment beaker, the sodium hydroxide solution that mass fraction is 20~22% is added dropwise, is adjusted
PH value is saved to 9~10,50~60min is stirred with the revolving speed of 600~650r/min with blender, filter cake is obtained by filtration after stirring,
Filter cake is placed in tube furnace, under argon atmosphere, increases in-furnace temperature to 600~700 DEG C, 100~120min of calcining at constant temperature
Calcined product is made；According to parts by weight, 8~10 parts of above-mentioned calcined products, 2~3 parts of asbestos, 5~7 parts of diatomite, 0.6 are weighed
It is blended uniformly in~0.8 part of graphite powder, 1.0~1.2 parts of gypsum investment blenders, after being blended uniformly in investment hot press, in temperature
Degree is 100~120 DEG C, compacting pressure suppresses 15~20min under conditions of being 8~10MPa, and discharging cooled to room temperature to obtain the final product
Filter aid material.
Example 1
It weighs in 500g bamboo plate investment steam blasting tank, the vapor that temperature is 240 DEG C is filled with into steam blasting tank, until
Air pressure is increased to 1.5MPa in tank, seals cavity charge containers, and constant temperature and pressure stands 50min, and steam explosion product is made；According to parts by weight,
It weighs 8 parts of above-mentioned steam explosion products, 4 portions of soya beans, 1.0 parts of starch and 12 parts of distilled water to put into fermenter, fermentor is put into temperature
In the greenhouse that degree is 35 DEG C, relative air humidity is 70%, 7 days are stood, filter residue is obtained by filtration after standing, is 12% with mass fraction
Hydrochloric acid clean filter residue 3 times；Above-mentioned filter residue and montmorillonite 1:3 in mass ratio are put into planetary ball mill, are 550r/ in revolving speed
Mixed grinding 50min obtains mixture under conditions of min, and the calcium chloride solution that mixture and mass fraction are 15% is pressed quality
Than placing the beaker in the water-bath that bath temperature is 50 DEG C, it is suspended that reaction is made in heated at constant temperature 100min in 1:5 investment beaker
Liquid；Above-mentioned reaction suspension is placed in vacuum freezing drying oven, the temperature inside the box is reduced to -40 DEG C, cryostat 3h, freezing
Air pressure in case is reduced under constant temperature conditions until vacuum degree is 30Pa afterwards, and vacuum freezedrying 2h, place the product in bakings after freezing
In case, desciccate is made in dry 5h under conditions of temperature is 110 DEG C；Distilled water is used into above-mentioned desciccate investment beaker
30min is impregnated, the sodium hydroxide solution that mass fraction is 20% is added dropwise, adjusts pH value to 9, with blender turning with 600r/min
Speed stirring 50min, is obtained by filtration filter cake after stirring, filter cake is placed in tube furnace, under argon atmosphere, increases in-furnace temperature extremely
600 DEG C, calcined product is made in calcining at constant temperature 100min；According to parts by weight, 8 parts of above-mentioned calcined products, 2 parts of asbestos, 5 parts are weighed
Diatomite, 0.6 part of graphite powder, 1.0 parts of gypsum, which are put into blenders, to be blended uniformly, is blended in uniformly rear investment hot press, in temperature
Degree is 100 DEG C, compacting pressure suppresses 15min under conditions of being 8MPa, and the cooled to room temperature that discharges is up to filter aid material.
Example 2
It weighs in 600g bamboo plate investment steam blasting tank, the vapor that temperature is 250 DEG C is filled with into steam blasting tank, until
Air pressure is increased to 1.6MPa in tank, seals cavity charge containers, and constant temperature and pressure stands 55min, and steam explosion product is made；According to parts by weight,
It weighs 9 parts of above-mentioned steam explosion products, 5 portions of soya beans, 1.1 parts of starch and 13 parts of distilled water to put into fermenter, fermentor is put into temperature
In the greenhouse that degree is 36 DEG C, relative air humidity is 80%, 8 days are stood, filter residue is obtained by filtration after standing, is 13% with mass fraction
Hydrochloric acid clean filter residue 4 times；Above-mentioned filter residue and montmorillonite 1:3 in mass ratio are put into planetary ball mill, are 560r/ in revolving speed
Mixed grinding 55min obtains mixture under conditions of min, and the calcium chloride solution that mixture and mass fraction are 16% is pressed quality
Than placing the beaker in the water-bath that bath temperature is 55 DEG C, it is suspended that reaction is made in heated at constant temperature 110min in 1:5 investment beaker
Liquid；Above-mentioned reaction suspension is placed in vacuum freezing drying oven, the temperature inside the box is reduced to -38 DEG C, cryostat 3h, freezing
Air pressure in case is reduced under constant temperature conditions until vacuum degree is 40Pa afterwards, and vacuum freezedrying 2h, place the product in bakings after freezing
In case, desciccate is made in dry 5h under conditions of temperature is 115 DEG C；Distilled water is used into above-mentioned desciccate investment beaker
35min is impregnated, the sodium hydroxide solution that mass fraction is 21% is added dropwise, adjusts pH value to 9, with blender turning with 625r/min
Speed stirring 55min, is obtained by filtration filter cake after stirring, filter cake is placed in tube furnace, under argon atmosphere, increases in-furnace temperature extremely
650 DEG C, calcined product is made in calcining at constant temperature 110min；According to parts by weight, 9 parts of above-mentioned calcined products, 2 parts of asbestos, 6 parts are weighed
Diatomite, 0.7 part of graphite powder, 1.1 parts of gypsum, which are put into blenders, to be blended uniformly, is blended in uniformly rear investment hot press, in temperature
Degree is 110 DEG C, compacting pressure suppresses 17min under conditions of being 9MPa, and the cooled to room temperature that discharges is up to filter aid material.
Example 3
It weighs in 700g bamboo plate investment steam blasting tank, the vapor that temperature is 260 DEG C is filled with into steam blasting tank, until
Air pressure is increased to 1.7MPa in tank, seals cavity charge containers, and constant temperature and pressure stands 60min, and steam explosion product is made；According to parts by weight,
It weighs 10 parts of above-mentioned steam explosion products, 6 portions of soya beans, 1.2 parts of starch and 14 parts of distilled water to put into fermenter, fermentor is put into temperature
In the greenhouse that degree is 37 DEG C, relative air humidity is 90%, 9 days are stood, filter residue is obtained by filtration after standing, is 14% with mass fraction
Hydrochloric acid clean filter residue 5 times；Above-mentioned filter residue and montmorillonite 1:3 in mass ratio are put into planetary ball mill, are 570r/ in revolving speed
Mixed grinding 60min obtains mixture under conditions of min, and the calcium chloride solution that mixture and mass fraction are 17% is pressed quality
Than placing the beaker in the water-bath that bath temperature is 60 DEG C, it is suspended that reaction is made in heated at constant temperature 120min in 1:5 investment beaker
Liquid；Above-mentioned reaction suspension is placed in vacuum freezing drying oven, the temperature inside the box is reduced to -35 DEG C, cryostat 4h, freezing
Air pressure in case is reduced under constant temperature conditions until vacuum degree is 50Pa afterwards, and vacuum freezedrying 3h, place the product in bakings after freezing
In case, desciccate is made in dry 6h under conditions of temperature is 120 DEG C；Distilled water is used into above-mentioned desciccate investment beaker
40min is impregnated, the sodium hydroxide solution that mass fraction is 22% is added dropwise, adjusts pH value to 10, with blender turning with 650r/min
Speed stirring 60min, is obtained by filtration filter cake after stirring, filter cake is placed in tube furnace, under argon atmosphere, increases in-furnace temperature extremely
700 DEG C, calcined product is made in calcining at constant temperature 120min；According to parts by weight, 10 parts of above-mentioned calcined products, 3 parts of asbestos, 7 are weighed
Part diatomite, 0.8 part of graphite powder, 1.2 parts of gypsum, which are put into blenders, to be blended uniformly, is blended in uniform rear investment hot press,
Temperature is 120 DEG C, compacting pressure suppresses 20min under conditions of being 10MPa, and the cooled to room temperature that discharges is up to filter aid material
Material.
Comparative example
With the filter aid material of company, Fuzhou City production as a comparison case to filter aid material produced by the present invention and comparative example
In filter aid material detected, testing result is as shown in table 1:
Rate of filtration test
Phase homogenous quantities filter aid material produced by the present invention and comparative example are separately added into the beaker for filling 500mL river water to 4
In filter aid material, stir it is stand-by after 2h, respectively by the suspension be added filter (filter be the laboratory 500mL just
Press through filter, 0.8 μm of filter medium) in, then constant pressure 1.2bar filters the simultaneously record filtering time.
Percent of decolourization test
It is tested using transmissometer.
Ammonia nitrogen test
According to standard GB5750-85, tested using Na's reagent.
Total phosphorus test
According to standard GB11893-89, tested using ammonium molybdate spectrophotometric method.
1 performance measurement result of table
According to data in table 1 it is found that filter aid material produced by the present invention, the strong, mistake to adsorption capacities such as Organic substance in water, ammonia nitrogens
Excellent in efficiency is filtered, there is the characteristics of cyclic utilization rate is high, no pollution to the environment, there are good market prospects.
Claims (7)
1. a kind of preparation method of filter aid material, it is characterised in that specific preparation step are as follows:
(1) it weighs in 500~700g bamboo plate investment steam blasting tank, is filled with vapor into steam blasting tank, makes gas in tank
Pressure increases, and seals cavity charge containers, and constant temperature and pressure, which is stood, is made steam explosion product；
(2) according to parts by weight, 8~10 parts of above-mentioned steam explosion products, 4~6 portions of soya beans, 1.0~1.2 parts of starch and 12~14 are weighed
Part distilled water puts into fermenter, and will stand in fermentor greenhouse, filter residue is obtained by filtration after standing, clean filter residue 3~5 with hydrochloric acid
It is secondary；
(3) by above-mentioned filter residue and montmorillonite 1:3 in mass ratio investment planetary ball mill, mixed grinding obtains mixture, will mix
It closes in object and calcium chloride solution 1:5 in mass ratio investment beaker, places the beaker heated at constant temperature in water-bath and be made and react suspended
Liquid；
(4) above-mentioned reaction suspension is placed in vacuum freezing drying oven, by the temperature inside the box cryostat, in constant temperature item after freezing
Air pressure in case is reduced under part, vacuum freezedrying, place the product in obtained desciccates dry in baking oven after freezing；
(5) 30~40min of distilled water immersion is used in Xiang Shangshu desciccate investment beaker, sodium hydroxide solution is added dropwise, adjusts pH
Value is stirred with blender to 9~10, filter cake is obtained by filtration after stirring, filter cake is placed in tube furnace, under argon atmosphere, risen
Thermostatic, which is calcined, in blast furnace is made calcined product；
(6) according to parts by weight, 8~10 parts of above-mentioned calcined products, 2~3 parts of asbestos, 5~7 parts of diatomite, 0.6~0.8 are weighed
It is blended uniformly, is suppressed in investment hot press after blending is uniform, discharging is certainly in part graphite powder, 1.0~1.2 parts of gypsum investment blenders
It is so cooled to room temperature up to filter aid material.
2. a kind of preparation method of filter aid material according to claim 1, it is characterised in that: as described in step (1)
The temperature that vapor is filled with into steam blasting tank is 240~260 DEG C, and air pressure is increased to 1.5~1.7MPa, constant temperature and pressure in tank
Time of repose is 50~60min.
3. a kind of preparation method of filter aid material according to claim 1, it is characterised in that: described in step (2)
Temperature in greenhouse is 35~37 DEG C, relative air humidity is 70~90%, and time of repose is 7~9 days, the mass fraction of hydrochloric acid
It is 12~14%.
4. a kind of preparation method of filter aid material according to claim 1, it is characterised in that: described in step (3)
Revolving speed in planetary ball mill is 550~570r/min, and the mixed grinding time is 50~60min, the quality point of calcium chloride solution
Number is 15~17%, and the bath temperature in water-bath is 50~60 DEG C, and the heated at constant temperature time is 100~120min.
5. a kind of preparation method of filter aid material according to claim 1, it is characterised in that: described in step (4)
Temperature in vacuum freezing drying oven is reduced to -40~-35 DEG C, and the cryostat time is 3~4h, and air pressure drop is down to vacuum in case
Degree is 30~50Pa, and the vacuum freezedrying time is 2~3h, and the temperature in baking oven is 110~120 DEG C, drying time is 5~
6h。
6. a kind of preparation method of filter aid material according to claim 1, it is characterised in that: described in step (5)
The mass fraction of sodium hydroxide solution is 20~22%, and the revolving speed of blender is 600~650r/min, mixing time is 50~
60min, tubular type in-furnace temperature are increased to 600~700 DEG C, and the calcining at constant temperature time is 100~120min.
7. a kind of preparation method of filter aid material according to claim 1, it is characterised in that: described in step (6)
Temperature in hot press is 100~120 DEG C, compacting pressure is 8~10MPa, and the pressing time is 15~20min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193236A (en) * | 2019-05-30 | 2019-09-03 | 田其珍 | A kind of preparation method of high chemical stabilization type filtrate |
| CN113817564A (en) * | 2021-10-11 | 2021-12-21 | 李建坤 | Pineapple and juniper berry compound wine and processing technology thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013018678A1 (en) * | 2011-07-29 | 2013-02-07 | 東レ株式会社 | Method of manufacturing filter aid |
| WO2014138535A1 (en) * | 2013-03-08 | 2014-09-12 | Xyleco, Inc. | Filtration |
| CN106334519A (en) * | 2016-11-02 | 2017-01-18 | 常州市鼎升环保科技有限公司 | Diatomite filter aid preparation method |
-
2018
- 2018-10-29 CN CN201811266406.9A patent/CN109503096A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013018678A1 (en) * | 2011-07-29 | 2013-02-07 | 東レ株式会社 | Method of manufacturing filter aid |
| WO2014138535A1 (en) * | 2013-03-08 | 2014-09-12 | Xyleco, Inc. | Filtration |
| CN106334519A (en) * | 2016-11-02 | 2017-01-18 | 常州市鼎升环保科技有限公司 | Diatomite filter aid preparation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193236A (en) * | 2019-05-30 | 2019-09-03 | 田其珍 | A kind of preparation method of high chemical stabilization type filtrate |
| CN113817564A (en) * | 2021-10-11 | 2021-12-21 | 李建坤 | Pineapple and juniper berry compound wine and processing technology thereof |
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