CN105601139B - A kind of neutralization device of the pretreatment system of industrial gypsum - Google Patents
A kind of neutralization device of the pretreatment system of industrial gypsum Download PDFInfo
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- CN105601139B CN105601139B CN201610167093.6A CN201610167093A CN105601139B CN 105601139 B CN105601139 B CN 105601139B CN 201610167093 A CN201610167093 A CN 201610167093A CN 105601139 B CN105601139 B CN 105601139B
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- alkaline matter
- gypsum
- industrial gypsum
- workshop
- feed hopper
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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
- C04B11/00—Calcium sulfate cements
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
A kind of neutralization device of the pretreatment system of industrial gypsum, belongs to building field, including alkaline matter feed hopper, alkaline matter dosing device, mix conveying appliance, positive displacement, industrial gypsum dosing device；The alkaline matter feed hopper is mounted below the end of alkaline matter feed conveying device；The alkaline matter dosing device is mounted below alkaline matter feed hopper and is connected with alkaline matter feed hopper；The mix conveying appliance is mounted on charging one end workbench of workshop；The industrial gypsum dosing device is mounted on the end of industrial gypsum feed arrangement, and one end is connected with industrial gypsum feeding device, and the other end is mutually connected with the feed hopper of mix conveying appliance；There is the characteristics of can realizing that industrial gypsum is converted into the neutralization of the pretreatment system of building gypsum, eliminating or reduce the acid ion in industrial gypsum, comply with the acid ion content requirement of building gypsum.
Description
Technical field
The invention belongs to building field, the one of more particularly to a kind of processing method that industrial gypsum is converted into building gypsum
The neutralization device of the pretreatment system of kind industrial gypsum.
Background technology is used
Signified industrial gypsum in the present invention refers to ardealite mostly, and ardealite is a kind of phosphatic byproduct of production,
It is a kind of insoluble difficulty faced in detergents and cosmetic and related chemistry industrial production, each producer spends largely
Place and expense cause seriously to pollute, annoying the production warp of relevant enterprise for storing and handling ardealite to surrounding enviroment
Battalion；With raising of the coal-burning boiler to emission request, the byproduct that wherein sulfur removal technology generates is also gypsum；Gypsum is in Building wood
Application on material is that will be sintered into the gypsum containing half of crystallization water, referred to as half water stone containing there are two the gypsums of the crystallization water mostly
Cream；In the calcination process of dihydrate gypsum, gypsum is heated to 1300C-2300C so that contain free moisture and crystallization in gypsum
Elutriation goes out, and becomes semi-hydrated gypsum, to be applied to building field；At present, mostly using stove external heat, control in-furnace temperature exists
1650C or so, after a period of time, dihydrate gypsum is made to become semi-hydrated gypsum, when temperature is more than 2300C will be converted to anhydrous stone
Cream, gypsum are a kind of common construction materials of building trade, have the advantages that setting rate is fast, light-weight, adhesive strength is high；Often
Be commonly used for construction material is semi-hydrated gypsum, due in ardealite being mostly dihydrate gypsum and containing remaining phosphate ion,
Fluoride etc. can not be converted into the gypsum that can be used for construction material using conventional gypsum calcining and processing method.It is inciting somebody to action
When ardealite is converted into building gypsum, since ardealite contains acid phosphate anion, dinectly bruning can cause to convert
Building gypsum afterwards is in acid without influencing the use in architectural engineering；And ardealite contains a large amount of natural moisture,
During ardealite is converted into building gypsum, dinectly bruning can cause the conglomeration of ardealite, and the ardealite surface after conglomeration is forged
It can be converted after burning, and a large amount of ardealite will not be calcined therefore will not participate in conversion inside conglomeration, so as to reduce ardealite
The conversion ratio converted to building gypsum.
Invention content
The existing above problem during industrial gypsum is converted into for existing ardealite, the present invention proposes a kind of work
The pretreatment system of industry gypsum, it is characterised in that：Including workshop, device, distribution device, conveying device, loading attachment, control are neutralized
System processed；The roof or roof of the workshop and enclosure wall are made of clear material；The neutralization device is mounted on workshop
The top of one end；It is hanging that the distribution device is mounted on workshop middle and upper part；The distribution device has multiple；The conveying
Device is mounted on the ground of workshop, other than the cloth range of distribution device；The loading attachment is mounted on the ground of workshop
Face positioned at the side of conveying device, and can be moved along conveying device side；The neutralization device, conveying device load dress
It is auto-controll operation to put.
A kind of neutralization device of the pretreatment system of the industrial gypsum, it is characterised in that：It is fed including alkaline matter
Bucket, alkaline matter dosing device, mix conveying appliance, positive displacement, industrial gypsum dosing device；It is described
Alkaline matter feed hopper be mounted on alkaline matter feed conveying device end below；The alkaline matter dosing dress
It puts and is connected below alkaline matter feed hopper with alkaline matter feed hopper；Below the alkaline matter dosing device
There is discharge port to be connected with mix conveying appliance；The mix conveying appliance is mounted on charging one end workbench of workshop,
Including feed hopper, conveyer, discharge port are stirred；The feed hopper of the mix conveying appliance is located at alkaline matter dosing dress
It puts and is connected with the output terminal of industrial gypsum dosing device；The discharge port of the mix conveying appliance is filled with mixture conveying
It puts and is mutually connected；Described positive displacement one end is connected with the discharge port of mix conveying appliance, the other end and distribution device
Feed inlet linking；The mix conveying appliance is screw mixing conveying device；The industrial gypsum dosing dress
It puts mounted on the end of industrial gypsum feed arrangement, one end is connected with industrial gypsum feeding device, and the other end is filled with blending transportation
The feed hopper put mutually is connected.
Advantageous effect
The beneficial effects of the present invention are can realize that industrial gypsum is converted into the neutralization of the pretreatment system of building gypsum
Function is eliminated or is reduced the acid ion in industrial gypsum, complies with the acid ion content requirement of building gypsum.
Description of the drawings
Fig. 1 is the structure diagram of the present invention
1. workshop, in 2. and device, 3. distribution devices, 4. conveying devices, 5. loading attachments.
Fig. 2 is to neutralize apparatus structure schematic diagram
21. alkaline matter feed hopper, 22. alkaline matter dosing devices, 23. mix conveying appliances, 24. mixtures
Conveying device, 25 industrial gypsum dosing devices.
Specific embodiment
Technical solution in order to further illustrate the present invention, in conjunction with attached drawing, the specific implementation further illustrated the present invention
Mode；Such as Fig. 1, using the roof of workshop 1 and enclosure wall all it is transparent material in this example, glass is embedded in using steel structure frame in this example
Glass is realized；Device 2 will be neutralized mounted on the top of house one end；It is hanging that distribution device 3 is mounted on 1 middle and upper part of workshop；This example
It is middle to be evenly arranged in workshop horizontal cross-section using two distribution devices 3；Conveying device 4 is mounted on to the ground of workshop, positioned at cloth
Other than the cloth range for expecting device 3；Loading attachment 5 is mounted on to the ground of workshop, in this example using the industry it is general or
The automatic of grain reserves industry universal is collected and rehandling facilities is as loading attachment 5, and two loading attachments 5 are selected in this example, by
It is located at the two sides of conveying device 4, can be moved along 4 side of conveying device；This completes the implementations of the present invention.Such as figure
2, ardealite is selected in this example, and as industrial gypsum, quick lime is as alkaline matter, so the industry is made in selection stainless steel plate
General feed hopper directly can also replace alkaline matter feed hopper 21 as alkaline matter feed hopper 21 using storage tank；It will
Hopper is mounted on the tail portion of alkaline matter feed arrangement and docking；Select the electric rotary-type dosing valve point that the industry is general
Not Zuo Wei alkaline matter dosing device 22, principle is to drive Spool rotating by motor, according to different rotating speeds, control
The amount of the material exported in unit interval automatically controls in this way convenient for whole system realization；The belt conveyer scale for selecting the industry general
As industrial gypsum dosing device 25；Select the common open type flat belt conveying device positive displacement of the industry
24, in this example by taking two distribution devices 3 as an example, using two positive displacements 24；This is done to industrial gypsum and
Alkaline matter increases time of contact in the relatively high workshop of temperature with air, accelerates the evaporation of contained humidity, is conducive to drop
The moisture content of low industrial gypsum, while convenient for observation and monitor its operating status；The screw mixing for selecting the industry general is defeated
Machine is sent to be sent as mix conveying appliance 23 from alkaline matter dosing device 22 and industrial gypsum dosing device 25
Ardealite and calcium lime powder enter the feed inlet of mix conveying appliance 23 simultaneously, by auger conveyer in blending transportation
Stirring in device 23 so that quick lime powder and ardealite are sufficiently mixed according to the ratio of design, in mixed process, raw stone
Grey powder is combined with the moisture that ardealite includes is converted into white lime（Calcium hydroxide）, reduce the moisture content inside industrial gypsum
White lime is neutralized with the acid ion contained by industrial gypsum inside simultaneously, just plays acid ion inside removal industrial gypsum
Function, according to different mixed proportions is calculated, automatically control alkaline matter dosing device 22 and industrial gypsum quantitatively to
The feed ratio realization of material device 25 automatically controls；By the ardealite that mixes and neutralize from the discharge port of mix conveying appliance 23
It sends out, into positive displacement 24 and in a manner that shunting conveys, is transported to distribution device 3, just completes work
The neutralization function of industry gypsum；In application, industrial gypsum and neutralize desiccant alkaline matter from the upper inlet of 1 one end of workshop into
Enter to neutralize device 2, be used as in this example using quick lime and neutralize desiccant alkaline matter；Device 2 is neutralized by quick lime and industry
Gypsum adequately proportionally mix and stir, general industrial gypsum under natural conditions moisture content mostly 25% or so,
By the mixing of quick lime, the moisture content of industrial gypsum can be lowered 6% or so；Mixed industrial gypsum is in quick lime
Under effect, internal acid ion is neutralized with quick lime, and acid ion removal or major part are removed, ensure acid ion
Residual meets the standard criterion of building gypsum, and can increase the content of gypsum in industrial gypsum, the reason is that quick lime and phosphorus
Part of sulfuric acid radical ion in gypsum combines generation calcium sulphate dihydrate；Through authoritative testing agency detect, ardealite in process and
Several leading indicators before and after device 2, which compare, is：Before neutralization, sulfate dihydrate calcium content 70.15%, water-soluble phosphorus pentoxide contains
Amount 0.64%, water-soluble fluorine content 0.02%；After neutralization, sulfate dihydrate calcium content 75.60%, water-soluble phosphorus pentoxide content
0.00%, water-soluble fluorine content 0.002%；By comparison, pretreated more ardealites are converted into what building gypsum can obtain
Advantageous effect is that eliminating phosphorus pentoxide can cause building surface to become mildewed in construction, influence construction quality
Factor；Uncontrollable factor of building gypsum setting time caused by eliminating the presence of water-soluble fluorine；It is converted into for ardealite
Quality raising after building gypsum plays a key effect.Cloth dress is sent to by the mixed industrial gypsum for neutralizing device 2
Put 3, distribution device 3 is due to installing in the air, and there are one shed process and be dispersed in the ground of workshop 1 by mixed industrial gypsum
Face, in addition temperature is high in workshop 1, conducive to the moisture evaporation of industrial gypsum；Since the roof of workshop 1 and enclosure wall employ transparent material
Material is made, and sunlight can be irradiated to inside workshop 1 so that the industrial gypsum temperature raising in workshop 1 is accelerated contained in industrial gypsum
The evaporation of moisture saves a large amount of energy, because existing industrial gypsum is dropped in low-moisture method, industrial gypsum per ton is every
1% moisture is reduced, needs a large amount of standard coal；Industrial gypsum after reducing moisture by loading attachment 5, is collected simultaneously
It is loaded into conveying device 4；Due to using the loading attachment 5 automatically controlled in this example, reducing labor intensity realizes
Automation；The effect with solar energy workshop 1 is neutralized by quick lime, industrial gypsum, which is pretreated, to be known as meeting gypsum calcining requirement
Industrial gypsum, calciner is sent to by conveying device 4 and is calcined, it is therefore prevented that generates knot since industrial gypsum moisture content is high
The defects of group is unfavorable for calcining and convert, improves the conversion ratio that industrial gypsum is converted into building gypsum.
Claims (1)
1. a kind of neutralization device of the pretreatment system of industrial gypsum, described suitable for a kind of pretreatment system of industrial gypsum
Industrial gypsum pretreatment system include workshop, neutralize device, distribution device, conveying device, loading attachment, control system；
The roof or roof of the workshop and enclosure wall are made of clear material；The device that neutralizes is mounted on the upper of workshop one end
Portion；It is hanging that the distribution device is mounted on workshop middle and upper part；The distribution device has multiple；The conveying device installation
On the ground of workshop, other than the cloth range of distribution device；The loading attachment is mounted on the ground of workshop, positioned at defeated
The side of device is sent, and can be moved along conveying device side；The neutralization device, conveying device, loading attachment are automatic
Control operation；It is characterized in that：A kind of neutralization device of the pretreatment system of the industrial gypsum include alkaline matter into
Hopper, alkaline matter dosing device, mix conveying appliance, positive displacement, industrial gypsum dosing device；Institute
The alkaline matter feed hopper stated is mounted below the end of alkaline matter feed conveying device；The alkaline matter dosing
Device is mounted below alkaline matter feed hopper and is connected with alkaline matter feed hopper；Under the alkaline matter dosing device
Side has discharge port to be connected with mix conveying appliance；The mix conveying appliance is mounted on charging one end workbench of workshop
On, including feed hopper, stir conveyer, discharge port；The feed hopper of the mix conveying appliance is located at alkaline matter and quantitatively gives
Expect the output terminal linking of device and industrial gypsum dosing device；The discharge port of the mix conveying appliance and mixture are defeated
Device is sent mutually to be connected；Described positive displacement one end is connected with the discharge port of mix conveying appliance, the other end and cloth
The feed inlet linking of device；The mix conveying appliance is screw mixing conveying device；The industrial gypsum is quantitatively given
Expect that device is mounted on the end of industrial gypsum feed arrangement, one end is connected with industrial gypsum feeding device, and the other end is defeated with mixing
The feed hopper of device is sent mutually to be connected；The alkaline matter is calcium lime powder；The industrial gypsum is ardealite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610167093.6A CN105601139B (en) | 2016-03-23 | 2016-03-23 | A kind of neutralization device of the pretreatment system of industrial gypsum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610167093.6A CN105601139B (en) | 2016-03-23 | 2016-03-23 | A kind of neutralization device of the pretreatment system of industrial gypsum |
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| CN105601139A CN105601139A (en) | 2016-05-25 |
| CN105601139B true CN105601139B (en) | 2018-06-19 |
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| CN107217781A (en) * | 2017-07-20 | 2017-09-29 | 郑州三迪建筑科技有限公司 | A kind of hollow gypsum batten |
| CN110845161A (en) * | 2019-12-12 | 2020-02-28 | 郑州三迪建筑科技有限公司 | Cooling and neutralizing method for phosphogypsum fired product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320763A (en) * | 2011-08-19 | 2012-01-18 | 瓮福（集团）有限责任公司 | Phosphogypsum purification and neutralization apparatus |
| CN102444300A (en) * | 2010-10-12 | 2012-05-09 | 蒲增军 | Sea tangle airing sunlight room and construction method and purpose thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348341A (en) * | 2008-09-16 | 2009-01-21 | 孙小力 | Manufacturing method for producing construction gypsum from boiler tail gas |
| CN101979353B (en) * | 2010-10-29 | 2012-10-10 | 福建省邵武市永飞化工有限公司 | Fluorgypsum modifying method and process for producing other chemical products by using fluorgypsum |
| CN102976645B (en) * | 2012-12-13 | 2016-03-02 | 泰山石膏股份有限公司 | A kind of pretreatment process of phosphogypsum for production of thistle board |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444300A (en) * | 2010-10-12 | 2012-05-09 | 蒲增军 | Sea tangle airing sunlight room and construction method and purpose thereof |
| CN102320763A (en) * | 2011-08-19 | 2012-01-18 | 瓮福（集团）有限责任公司 | Phosphogypsum purification and neutralization apparatus |
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