CN109534352A - A kind of production technology of bleaching earth activated - Google Patents
A kind of production technology of bleaching earth activated Download PDFInfo
- Publication number
- CN109534352A CN109534352A CN201811549474.6A CN201811549474A CN109534352A CN 109534352 A CN109534352 A CN 109534352A CN 201811549474 A CN201811549474 A CN 201811549474A CN 109534352 A CN109534352 A CN 109534352A
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- CN
- China
- Prior art keywords
- bleaching earth
- earth activated
- bentonite
- ammonium sulfate
- production technology
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
Abstract
The present invention discloses a kind of production technology of bleaching earth activated, processing step are as follows: (1) pretreatment of raw material: using bentonite ore as raw material, filtering off husky and stone repeatedly by hollander tub and disc mill, obtains bentonite material；(2) bentonite material is injected in glassed steel reaction vessels, the concentrated sulfuric acid is added, bentonite slurry is made and carries out electric heating；(3) above-mentioned all reactant transfers inject cold water from flowing in neutralization chamber after the reaction was completed, are cooled to 20 DEG C hereinafter, appropriate excessive neutralizer is added, neutralizing excess sulfuric acid to pH value is 7.5, generates ammonium sulfate；(4) filter press filters out ammonium sulfate liquid, the bleaching earth activated material left, through air-drying, after evaporation water, is delivered to electric heating drying oven, drying crushes, and obtains bleaching earth activated finished product.Workshop is dried in production technology saving proposed by the present invention, saves a large amount of coal resources, neutralizer WATER-WASHING METHOD, saves water resource, no contaminated wastewater environment, liquid self-flowing formula production line, not polluted underground water.
Description
Technical field
The invention belongs to bleaching earth activated production technical fields, and in particular to a kind of production technology of bleaching earth activated.
Background technique
Bleaching earth activated activation basis mechanism be: in acid dissolution bentonite impurity and inorganic salts, displace acid hydrogen,
Produce sulfate.The result of activation makes bentonite in ionic state, increases adsorption capacity, increases activity degree.
Currently, domestic bleaching earth activated production technology is commonly sulfuric acid process.Raw ore is first dried, then crushes and starches, with big
The water of amount releases analysis excess sulfuric acid, wastes a large amount of coal resources, generates large amount of sewage, sewage is needed to neutralize.There are the following problems: (1)
Wastewater treatment is costly；(2) waste residue generated after neutralizing is not easy to handle；(3) the Solid state fermentation problem by the way of landfill, to ring
Border is seriously polluted, high production cost；(4) a large amount of coal resources are wasted.
Summary of the invention
Aiming at the deficiencies in the prior art, the present invention provides a kind of no contaminated wastewater, no residue contamination, energy saving
Bleaching earth activated production technology.
In order to achieve the above object, technical solution of the present invention is as follows:
A kind of the step of production technology of bleaching earth activated, the technique are as follows:
(1) pretreatment of raw material: using bentonite ore as raw material, husky and stone is filtered off by hollander tub and disc mill repeatedly, is obtained swollen
Moisten native raw material；
(2) bentonite material is injected in glassed steel reaction vessels, the concentrated sulfuric acid is added, bentonite slurry is made and carries out electric heating；
It is (3) above-mentioned that the transfer of all reactants injects cold water from flowing in neutralization chamber after the reaction was completed, be cooled to 20 DEG C hereinafter, plus
Enter appropriate excessive neutralizer, neutralizing excess sulfuric acid to pH value is 7.5, generates ammonium sulfate；
(4) filter press filters out ammonium sulfate liquid, the bleaching earth activated material left, through air-drying, after evaporation water, is delivered to electric heating
Drying oven is dried, and is crushed, is obtained bleaching earth activated finished product, is packed.
Further, the neutralizer uses ammonium hydrogen carbonate；It must be added to excessive (appropriate) ammonium hydrogen carbonate, otherwise production has
The ammonium hydrogen sulfate of strong corrosive.
Further, the step (4), which filters out ammonium sulfate liquid, can directly pack sale；Or sulfuric acid is produced out through drying
Ammonium；Ammonium sulfate is used for paper mill paper pulp, can also be used as a kind of nitrogenous fertilizer, and appropriate use can provide crop yield.
The utility model has the advantages that production technology proposed by the present invention has saved drying workshop, a large amount of coal resources, neutralizer have been saved
WATER-WASHING METHOD saves water resource, no contaminated wastewater environment, liquid self-flowing formula production line, not polluted underground water.
Detailed description of the invention
Fig. 1 is the process flow chart that the present invention prepares bleaching earth activated.
Fig. 2 is the structure distribution figure that the present invention prepares bleaching earth activated.
Specific embodiment
The present invention is described below with reference to specific embodiments.It will be appreciated by those skilled in the art that these embodiments are only
For illustrating the present invention, do not limit the scope of the invention in any way.
A kind of production technology of bleaching earth activated is successively made of the following steps:
Process is as depicted in figs. 1 and 2:
Step 1: the bentonite raw ore produced with Laiyang Shandong Province, carries out bleaching earth activated preparation, bentonite material is placed in after weathering
It in feeding groove, is rushed with water into hollander tub, repeatedly twice through mill machine, filtering is removed sand, and bentonite material is obtained；
Step 2: the bentonite material that the first step is obtained is introduced into glassed steel reaction vessels by pipeline, sulphuric acid tank is then opened
It injects the concentrated sulfuric acid to be uniformly mixed, obtains bentonite slurry, bentonite material accounts for the mass concentration of slurry entirety and is in the slurry
65%, the dosage of the concentrated sulfuric acid are as follows: bentonite material per ton uses 150 ~ 540 kilograms of sulfuric acid；Control glassed steel reaction vessels into
Row electric heating, 102 DEG C ~ 105 DEG C of temperature for heating reaction, reaction time 8h.
Step 3: the bentonite slurry that second step reacts completely flows automatically into neutralization chamber, inject cold water, be cooled to 20 DEG C with
Under, it opens neutralizer tank and appropriate excessive ammonium hydrogen carbonate is added, neutralizing excess sulfuric acid to pH value is 7.5, generates ammonium sulfate；
Step 4: filter-press dehydration: ammonium sulfate liquid is filtered out using filter press, leaves bleaching earth activated material, through air-drying, evaporation water
Afterwards, it is delivered to electric heating drying oven, is dried, crushes, obtains bleaching earth activated finished product, is packed；The present invention is using drying drying: electricity adds
Hot drying oven is set as 140 DEG C ~ 180 DEG C, drying time 4h ~ 6h.
Step 4: the ammonium sulfate liquid filtered out is collected in waste liquid tank, directly packaging is sold；Or sulfuric acid is produced out through drying
Ammonium；The sandstone that the above-mentioned first step filters out, are prepared into brick.
Claims (3)
1. a kind of production technology of bleaching earth activated, it is characterised in that: the step of the technique are as follows:
(1) pretreatment of raw material: using bentonite ore as raw material, husky and stone is filtered off by hollander tub and disc mill repeatedly, is obtained swollen
Moisten native raw material；
(2) bentonite material is injected in glassed steel reaction vessels, the concentrated sulfuric acid is added, bentonite slurry is made and carries out electric heating；
It is (3) above-mentioned that the transfer of all reactants injects cold water from flowing in neutralization chamber after the reaction was completed, be cooled to 20 DEG C hereinafter, plus
Enter appropriate excessive neutralizer, neutralizing excess sulfuric acid to pH value is 7.5, generates ammonium sulfate；
(4) filter press filters out ammonium sulfate liquid, the bleaching earth activated material left, through air-drying, after evaporation water, is delivered to electric heating
Drying oven, drying crush, and obtain bleaching earth activated finished product, pack.
2. the production technology of bleaching earth activated as described in claim 1, it is characterised in that: the neutralizer uses bicarbonate
Ammonium；It must be added to excessive (appropriate) ammonium hydrogen carbonate, otherwise production has the ammonium hydrogen sulfate of strong corrosive.
3. the production technology of bleaching earth activated as described in claim 1, it is characterised in that: the step (4) filters out ammonium sulfate
Liquid can directly pack sale；Or ammonium sulfate is produced out through drying；Ammonium sulfate is used for paper mill paper pulp, can also be used as one kind
Nitrogenous fertilizer, appropriate use can provide crop yield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549474.6A CN109534352A (en) | 2018-12-18 | 2018-12-18 | A kind of production technology of bleaching earth activated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549474.6A CN109534352A (en) | 2018-12-18 | 2018-12-18 | A kind of production technology of bleaching earth activated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109534352A true CN109534352A (en) | 2019-03-29 |
Family
ID=65855297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811549474.6A Pending CN109534352A (en) | 2018-12-18 | 2018-12-18 | A kind of production technology of bleaching earth activated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109534352A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557057A (en) * | 2011-12-28 | 2012-07-11 | 攀枝花学院 | Active argil and preparation method thereof |
| CN103252207A (en) * | 2013-04-18 | 2013-08-21 | 黄山市白岳活性白土有限公司 | Method for continuously preparing activated clay |
-
2018
- 2018-12-18 CN CN201811549474.6A patent/CN109534352A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557057A (en) * | 2011-12-28 | 2012-07-11 | 攀枝花学院 | Active argil and preparation method thereof |
| CN103252207A (en) * | 2013-04-18 | 2013-08-21 | 黄山市白岳活性白土有限公司 | Method for continuously preparing activated clay |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190911 Address after: 265200 No. 105 Jingshan Road, Laiyang City, Yantai City, Shandong Province Applicant after: Lv Junbo Address before: 221137 Houshizhuang, Qingshan Spring Town, Jiawang District, Xuzhou City, Jiangsu Province Applicant before: Zhao Ying Applicant before: Lv Junbo |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190329 |
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| RJ01 | Rejection of invention patent application after publication |