CN209476296U - A kind of flyash modified equipment - Google Patents
A kind of flyash modified equipment Download PDFInfo
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- CN209476296U CN209476296U CN201920073619.3U CN201920073619U CN209476296U CN 209476296 U CN209476296 U CN 209476296U CN 201920073619 U CN201920073619 U CN 201920073619U CN 209476296 U CN209476296 U CN 209476296U
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- inner cylinder
- flyash
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Abstract
The flyash modified equipment of the utility model includes outer cylinder and inner cylinder, inlet and outlet are set on outer cylinder, inlet valve and outlet valve are installed respectively at inlet and outlet, the ash inlet that the top setting one of inner cylinder enters for flyash, inner cylinder is arranged in outer cylinder, and it is connect with driving device, it is rotated in outer cylinder by driving device driving, inner cylinder is provided with several holes, filter cloth is arranged in the inner wall of inner cylinder, one blender is arranged in inner cylinder, and it can be relative to inner cylinder rotating, the alkalinity and the hydraulicity of flyash can be effectively reduced in the modified device, be conducive to the integrated application of modified coal ash.
Description
Technical field
The utility model relates to flyash modified technology more particularly to a kind of flyash modified equipment.
Background technique
Flyash is the product after coal combustion, contains a large amount of inorganic, metal oxide and nonmetal oxide and miscellaneous
Matter, appearance are in gray powdery.
Flyash has alkalinity.Containing oxides such as a large amount of calcium oxide, aluminium oxide, silica in flyash, water is met
Afterwards in alkalinity.Specifically, calcium oxide generates calcium hydroxide after meeting water, and calcium hydroxide is dissolved in water；Aluminium oxide meets the final production after water
Object is aluminium hydroxide, and aluminium hydroxide is white sticky jelly and not soluble in water；Alkali in silica and elemental silicon and flyash
Property substance reaction generate silicate, part silicate in water environment in colloidal substance and have stronger viscosity.
Flyash has the hydraulicity.Under the action of water, flyash hardening agglomeration.The hydraulicity of flyash is both advantage
It is disadvantage.Application of the flyash in engineering structure often forms structural strength using the hydraulicity of flyash, has played water
The advantage of hardness, and its disadvantage be efficiently used flyash can not in soil, water process, waste gas treatment process, and
The fertilizer efficiency of flyash and the performance of sufficiently absorption harmful substance cannot be played.
Since flyash has stronger alkalinity and the hydraulicity, if without modification, but directly apply, then it can be to life
State generates destruction.For example, flyash can generate very big fugitive dust in transport, stacking and disposal process, cause flyash stack yard all
The salinization of soil of side soil and water body；If flyash is largely enriched in the soil, for example is directly used in soil improvement and do not added
Modified flyash, due to the hydraulicity of flyash, it is quickly hardened that it will cause soil, accelerates ecological degeneration.
Summary of the invention
For existing problem, the utility model proposes a kind of flyash modified equipment, utilize simple and reliable equipment pair
Flyash is modified, and is created favorable conditions for the comprehensive utilization of flyash.
To achieve the above object, the utility model proposes include outer cylinder and inner cylinder, outer cylinder using flyash modified equipment
Upper setting inlet and outlet install inlet valve and outlet valve, the top setting one of inner cylinder at inlet and outlet respectively
For the ash inlet that flyash enters, inner cylinder setting is connect in outer cylinder, and with driving device, by driving device driving in outer cylinder
Rotation, inner cylinder are provided with several holes, and filter cloth is arranged in the inner wall of inner cylinder, and a blender is arranged in inner cylinder, and can be relative to inner cylinder
Rotation.
Further, the rotation axis of inner cylinder and blender is coaxial, is the central axis of inner cylinder.
Further, the bottom end of outer cylinder is arranged in inlet and outlet.
Further, driving device includes motor and inner cylinder drive shaft, and inner cylinder drive shaft is connected to the bottom of inner cylinder.
Further, blender has propeller drive shaft, and propeller drive shaft is connect from the top of inner cylinder with blender.
Further, blender is arm stirrer comprising rotary shaft and multiple groups blade, multiple groups blade compartment of terrain peace
Dress is on the rotary shaft.
Further, the modified coal ash obtained by flyash modified method, it is levigate by drying or be directly used in soil
Earth improvement and stain disease processing.
Further, the modified coal ash obtained by flyash modified method, it is levigate by drying or be directly used in pressure
Close Grouting engineering
Further, the modified coal ash obtained by flyash modified method is used for flue gas and is given up after drying is levigate
Gas disposal.
Further, filter cloth is using geotechnological filter cloth.
The flyash modified device structure of the utility model is simple, is able to achieve the washing to flyash, removes photoresist, centrifugal dehydration
Processing reduces the alkalinity and the hydraulicity of flyash, so that modified flyash is able to carry out dealkalize degumming to flyash
Comprehensive utilization, turns waste into wealth.
Detailed description of the invention
With reference to the accompanying drawing the utility model is made further to describe and illustrate.
Fig. 1 is the schematic diagram of the flyash modified equipment of the utility model first choice embodiment.
Specific embodiment
Below in conjunction with attached drawing, by the description to preferred embodiments of the present invention, more clearly and completely explain
State the technical solution of the utility model.
As shown in Figure 1, the flyash modified equipment of the utility model first choice embodiment includes outer cylinder 1 and inner cylinder 2, inner cylinder
2 are arranged in outer cylinder 1, and can rotate relative to outer cylinder 1, have space between inner cylinder 2 and outer cylinder 1.Inner cylinder 2 and driving fill
Connection is set, driving device includes motor (not shown) and inner cylinder drive shaft 3, and inner cylinder drive shaft 3 is connect with the bottom of inner cylinder 2, and
And extend from the bottom of outer cylinder 1, it is connected to motor, motor drives inner cylinder 2 to rotate by inner cylinder drive shaft 3.
Be provided with several holes on inner cylinder 2, the inner wall of inner cylinder 2 is arranged filter cloth 4, filter cloth 4 cover the surrounding of inner cylinder inner wall with
And bottom, form a filter cloth bag.Preferably, filter cloth 4 selects geotechnological filter cloth.
One blender 5 is set inside inner cylinder 2, can be rotated relative to inner cylinder 2.The preferred arm stirrer of blender 5,
Including rotary shaft 51 and multiple groups blade 52, multiple groups blade 52 is mounted on spaced reciprocally in rotary shaft 51, and every group of blade 52 includes
Symmetrical two blades 520.Blender 5 is driven by a driving device to be rotated, and driving device includes that motor and blender drive
One end of moving axis 6, propeller drive shaft 6 is connect from the top of inner cylinder 2 with rotary shaft 51, the other end of propeller drive shaft 6 with
Motor connection, motor drive blender 5 to rotate by propeller drive shaft 6.The motor of the driving device can be above-mentioned inner cylinder
The motor of driving device is also possible to an independent motor.
The rotation axis of blender 5 and inner cylinder 2 is coaxial, as the central axis of inner cylinder 2.
Ash inlet 20 is arranged in the top of inner cylinder 2, so that flyash is able to enter inner cylinder 2.
Water inlet 11 and water outlet 12 is arranged in the bottom of outer cylinder 1, installs inlet valve respectively at water inlet 11 and water outlet 12
11a and outlet valve 12a.
It is as follows to flyash modified method using above-mentioned flyash modified equipment:
Firstly, opening inlet valve 11a, outlet valve 12a is closed, clean water is injected into flyash modified equipment or PH is less than
5.5 acid water starts blender 5, in whipping process into inner cylinder 2 when water level reaches 1/3 height left and right of inner cylinder 2
It is uniformly added into flyash, blender 5 carries out strong stirring to the mixture (hereinafter referred to as water ash mixture) of water and flyash, makes
It obtains flyash to be sufficiently mixed with water, alkalinity is presented in flyash, and generates viscous gum.
When the water level of the water ash mixture in inner cylinder 2 reaches 2/3 height, stops closing inlet valve 11a into ash, continue
Outlet valve 12a is opened in stirring 10~30 minutes, the water in coal ash modified device is discharged, and the water of discharge is led to backwash pond
In case reuse.
The revolving speed for turning down blender 5, by take adhesive dispenser take sebific duct from ash inlet 20 be inserted into water ash mixture, water ash is mixed
The jelly closed in object is taken away.It here is mixture in order to prevent without being off blender using the revolving speed of blender is turned down
Agglomeration hardening.
Stop blender 5, start the driving device of inner cylinder 2, it is de- to carry out rotating centrifugal to the water ash mixture in inner cylinder 2
Water.
It after the completion of centrifugal dehydration, is drained to the water in flyash modified equipment, stops the rotation of inner cylinder 2, close water outlet
Valve 12a.
Above step can be repeated as needed, until flyash reaches requirement.
After the completion of dealkalize, the lid in flyash modified equipment is opened, takes out blender 5, the filter cloth bag in inner cylinder 2 is connected
It is taken out together with flyash.
When necessary, the flyash after dealkalize degumming dry levigate rear spare.
The above-mentioned method for taking glue can be vacuum and inhale glue, manually or mechanically take glue.Wherein, vacuum is inhaled glue and is taken out very using jet stream
Null device, this technology are well-known technique, and details are not described herein again.
The modified coal ash obtained by above-mentioned flyash modified method can be directly used in dirty give up without drying is levigate
Water process and soil improvement, or stain disease processing and soil improvement are used further to after drying is levigate.In stain disease processing,
Modified coal ash is used as adsorbent, goes that harmful metal ion in water removal, agriculture is residual, dioxin, antibiotic, nitrite
Deng；Modified coal ash can be also used for decolourizing to stain disease, deodorization, and reduce BOD, COD, ammonia, nitrogen, the phosphorus etc. in water
Content；Modified coal ash can be also used for the advanced treating of stain disease.Spent lye after flyash modified dealkalize can be used for
Stain disease is handled, is acted on by alkali, the harmful heavy metal ions in water removal are removed.
In stain disease processing, the usage mode of the usage mode of flyash with active carbon.Used flyash answers safe place
It sets and rationally utilizes.
In soil improvement, modified coal ash is in addition to adsorbing the part harmful substance in soil and irrigation water as adsorbent
Outside, the effects of also acting as getting fat, water conservation and friable soil.Flyash can be with bio-fertilizer, charcoal base bio-fertilizer, charcoal, nanometer
Adsorbent material etc. is used in conjunction with, and achievees the purpose that soil improvement.The specifically used amount of modified coal ash by substance to be adsorbed amount
And depending on required soil moisture content and shatter value.
By the modified coal ash that above-mentioned flyash modified method obtains densification can be directly used in without drying is levigate
Grouting engineering, or compaction grouting engineering is used further to after drying is levigate.In compaction grouting engineering, modified coal ash conduct
Compaction grouting major ingredient, the liquid glue and base strength of generation during compaction grouting auxiliary material is a certain amount of water, is flyash modified
Exciting agent.The additional amount of compaction grouting major ingredient and auxiliary material depending on the intensity size that reaches needed for the slip casting structural body that is formed after slip casting and
It is fixed.Compaction grouting auxiliary material injects in major ingredient in three times when major ingredient is injected into about 1/3,2/3,3/3 amount.Compaction grouting main and supplementary materials
Depending on total amount, compaction grouting pressure, compaction grouting time must calculate in detail according to the actual conditions of required compaction grouting.
It is used at flue gas and exhaust gas after drying is levigate by the modified coal ash that above-mentioned flyash modified method obtains
Reason.In flue gas and exhaust-gas treatment, modified coal ash is used as adsorbent and desiccant, has very strong adsorptivity,
The active carbon in traditional technology can be replaced, purified treatment is carried out to incineration flue gas and exhaust gas.The specific dosage of modified coal ash
Depending on the amount of the substance to be adsorbed in processed exhaust gas volumn and exhausted air quantity and exhaust gas and water to be dried.
Above-mentioned specific embodiment is only described preferred embodiments of the present invention, and not practical to this
Novel protection scope is defined.Under the premise of not departing from the utility model design conception and scope, this field
Those of ordinary skill is according to verbal description provided by the utility model, attached drawing to made by the technical solution of the utility model
Various modifications, substitution and improvement should belong to the protection category of the utility model.The protection scope of the utility model is wanted by right
Ask determining.
Claims (7)
1. a kind of flyash modified equipment, which is characterized in that including outer cylinder and inner cylinder, water inlet and water outlet are arranged on the outer cylinder
Mouthful, inlet valve and outlet valve be installed respectively at the inlet and outlet, the top setting one of the inner cylinder for flyash into
The ash inlet entered, the inner cylinder setting in the outer cylinder, and connect with driving device, are driven by the driving device described
Rotation in outer cylinder, the inner cylinder are provided with several holes, and filter cloth is arranged in the inner wall of the inner cylinder, and a blender is arranged in the inner cylinder
It is interior, and can be relative to the inner cylinder rotating.
2. flyash modified equipment as described in claim 1, which is characterized in that the rotary shaft of the inner cylinder and the blender
Line is coaxial, is the central axis of the inner cylinder.
3. flyash modified equipment as claimed in claim 2, which is characterized in that the inlet and outlet are arranged described
The bottom end of outer cylinder.
4. flyash modified equipment as claimed in claim 3, which is characterized in that the driving device includes that motor and inner cylinder drive
Moving axis, the inner cylinder drive shaft are connected to the bottom of the inner cylinder.
5. flyash modified equipment as claimed in claim 4, which is characterized in that the blender has propeller drive shaft,
The propeller drive shaft is connect from the top of the inner cylinder with the blender.
6. flyash modified equipment as described in claim 1, which is characterized in that the blender is arm stirrer,
Including rotary shaft and multiple groups blade, the multiple groups blade is periodically installed in the rotary shaft.
7. flyash modified equipment as described in claim 1, which is characterized in that the filter cloth is using geotechnological filter cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073619.3U CN209476296U (en) | 2019-01-16 | 2019-01-16 | A kind of flyash modified equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073619.3U CN209476296U (en) | 2019-01-16 | 2019-01-16 | A kind of flyash modified equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209476296U true CN209476296U (en) | 2019-10-11 |
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| CN201920073619.3U Active CN209476296U (en) | 2019-01-16 | 2019-01-16 | A kind of flyash modified equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715177A (en) * | 2020-06-28 | 2020-09-29 | 辽宁大学 | Device for modifying fly ash and application thereof |
-
2019
- 2019-01-16 CN CN201920073619.3U patent/CN209476296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715177A (en) * | 2020-06-28 | 2020-09-29 | 辽宁大学 | Device for modifying fly ash and application thereof |
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