CN104291719B - A kind of fast dewatering produces building gypsum plaster system and method - Google Patents
A kind of fast dewatering produces building gypsum plaster system and method Download PDFInfo
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- CN104291719B CN104291719B CN201410201086.4A CN201410201086A CN104291719B CN 104291719 B CN104291719 B CN 104291719B CN 201410201086 A CN201410201086 A CN 201410201086A CN 104291719 B CN104291719 B CN 104291719B
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- dust collector
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Abstract
The present invention relates to construction material production technical field, a kind of fast dewatering produces plaster of Paris powder system specifically, including the meausring apparatus set gradually, conveyer device, drawing-in device, drying dispersing device, drying device, the first cyclone dust collector, bag-type dust collector, goes out material conveying device, the second cyclone dust collector and storage bin；Bag-type dust collector is provided with air-introduced machine and air compression plant, air-introduced machine outlet is connected with chimney, second cyclone dust collector is provided with heating plant, is connected by elephant trunk between the first cyclone dust collector and the second cyclone dust collector, and the second cyclone dust extractor connects with drying dispersing device；In the inventive solutions, the dehydration heat exchange mode used is all direct heat transfer, and the thermal efficiency is high, and compact equipment, volume are little, production capacity is big, breaing up, be dried, the unit process such as conveying join together to operate, process simplification, it is easy to automatically control.
Description
Technical field
The present invention relates to construction material production technical field, a kind of fast dewatering produces paring stone specifically
Cream powder system and method.
Background technology
Industry by-product gypsum is the waste residue that commercial production generates, and its main component is calcium sulphate dihydrate, can
As gypsum raw material, the production engineering preparing Gypsum Fibrosum powder with industry by-product gypsum is exactly the process sloughing its moisture.
Moisture contained by industry by-product gypsum material except adhering in addition to mechanical water thereon, some water of crystallization；
And plaster of Paris requires that in composition, the content of β-half-H 2 O calcium sulphate should be not less than 60.0%
(GB/T9776-2008).The prescription of these characteristics and product determines industry by-product gypsum production and builds
Build the particularity of the production technology of Gypsum Fibrosum powder.The production application that current industry by-product gypsum prepares Gypsum Fibrosum powder is main
Having drying, calcining integration or dry, calcine the mode of production separately carrying out being dehydrated, production technology is: the
Wet stock is pulverized and carries out heating, drying by one step；Second step calcined dehydration obtains product, and that takes at present forges
Burning mode is calcines at a slow speed, and calcination time is dozens of minutes, for obtaining suitable yield, and the body of calcining furnace
Amass and must do greatly, and the thermal efficiency of system is low.
Summary of the invention
The problem that it is an object of the invention to exist for above-mentioned technology, it is provided that a kind of fast dewatering produces paring stone
Cream powder system and method, this apparatus structure is simple, volume is little, heat exchange efficiency is high, easy to operate, maintenance expense
With low.
For achieving the above object, the technical solution used in the present invention is: a kind of fast dewatering produces plaster of Paris
Powder system, including the meausring apparatus set gradually, conveyer device, drawing-in device, drying dispersing device, does
Dry device, the first cyclone dust collector, bag-type dust collector, the second cyclone dust collector and storage bin；Institute
The lower end stating bag-type dust collector is provided with out material conveying device, described in go out the outlet of material conveying device and the second rotation
Being connected by emission of baiting chute between wind dust arrester, described bag-type dust collector is provided with air-introduced machine and air pressure
Compression apparatus, the outlet of described air-introduced machine is connected with chimney, and described second cyclone dust collector is provided with heating plant,
The ash bucket outlet of described first cyclone dust collector is connected by elephant trunk between the second cyclone dust collector, institute
State the second cyclone dust extractor and connect with drying dispersing device.
Further, described meausring apparatus is belt conveyer scale, and described conveyer device is belt conveyor, described feed
Material device is lock feeding device, and described drying device is pneumatic conveyer dryer, and described heating plant is air stove.
It is a further object of the present invention to provide a kind of method that fast dewatering produces building gypsum plaster, including as follows
Step:
(1) wet stock falls into meausring apparatus by wet feed storehouse, is delivered to drawing-in device through conveyer device after weighing
Rear entrance dries dispersing device；
(2) wet stock carries out abundant heat exchange with hot blast in drying dispersing device, sloughs substantial amounts of moisture, with
Time dry dispersing device coherent material is smashed after be thrown into dry dispersing device feed box, with negative pressure
Enter drying device；
(3) entering the first cyclone dust collector through dried material with negative pressure, large granular materials sedimentation falls
Entering in the ash bucket of the first cyclone dust collector, fine dust enters bag-type dust collector, larger particles with negative pressure wind
Material sedimentation falls in the ash bucket of bag-type dust collector, and the fine dust of rising is then by the filtrate of bag-type dust collector
Stopping, be attached to after the particulate dust of cloth bag shaken off by pulse compression air, clean gas penetrates filtrate with drawing
Blower fan is discharged through chimney；
(4) material collected through the ash bucket of the first cyclone dust collector, bag-type dust collector, passes through discharging
Conveyer device and emission of baiting chute fall into the second cyclone dust collector and the hot blast with heating plant supply mixes
Closing, granule materials falls into storage bin after high speed rotating hot blast effect falls into the ash bucket of the second cyclone dust extractor
In, fine dusts enters drying dispersing device with hot blast and is again introduced into processing procedure.
Further, in described step (4), the granule materials time in the second cyclone dust collector be 1～
3s。
The method have the benefit that: in the inventive solutions, the dehydration heat exchange used
Mode is all direct heat transfer, and the thermal efficiency is high, and compact equipment, volume are little, production capacity is big, beating
The unit processes such as scattered, dry, conveying join together to operate, process simplification, it is easy to automatically control.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the equipment flowsheet of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Embodiment
A kind of fast dewatering as shown in Figure 1 produces plaster of Paris powder system, including the weighing dress set gradually
Put 1, conveyer device 2, drawing-in device 3, dry dispersing device 4, drying device the 5, first cyclone dust removal dress
Put 6, bag-type dust collector the 7, second cyclone dust collector 9 and storage bin 10；
The lower end of bag-type dust collector 7 is provided with out material conveying device 8, goes out the outlet and second of material conveying device 8
Being connected by emission of baiting chute between cyclone dust collector 9, the material that bag-type dust collector 7 is collected falls into ash bucket,
In ash bucket, material is then delivered to the second cyclone dust collector 9 by going out material conveying device 8；
The left and right on bag-type dust collector 7 top is respectively arranged at two ends with air-introduced machine 11 and air compression plant 12, empty
Air pressure compression apparatus 12 constantly can be blown into compressed air above the cloth bag of bag-type dust collector 7, promotes attachment
Material on cloth bag comes off；
The outlet of air-introduced machine 11 is connected with chimney 13, enters the compressed air of bag-type dust collector 7 in a large number by drawing
Blower fan 11 and exhaust chimney are discharged, and prevent the pressure in bag-type dust collector 7 excessive；
Second cyclone dust collector 9 is provided with heating plant 14, and the hot blast that heating plant 14 produces enters second
Cyclone dust collector 9 and material therein quickly mix, and are finally reached dry effect, the first whirlwind
The ash bucket outlet of dust arrester 6 is connected by elephant trunk between the second cyclone dust collector 9, and the second whirlwind removes
Dirt device 9 connects with drying dispersing device 4, so can make entrance the second cyclone dust extractor 9 and hot blast in
The dust of mixing can go to be treated journey again.
Wherein, meausring apparatus 1 is belt conveyer scale, and conveyer device 2 is belt conveyor, and drawing-in device 3 is lock
Wind feeder, drying device 4 is pneumatic conveyer dryer, and heating plant 14 is air stove.
Utilize the said equipment to carry out the method that fast dewatering produces building gypsum plaster, comprise the steps:
(1) wet stock falls into meausring apparatus by wet feed storehouse, is delivered to drawing-in device through conveyer device after weighing
Rear entrance dries dispersing device；
(2) wet stock carries out abundant heat exchange with hot blast in drying dispersing device, sloughs substantial amounts of moisture, with
Time dry dispersing device coherent material is smashed, be thrown into dry dispersing device feed box, with negative pressure
Enter drying device；
(3) entering the first cyclone dust collector through dried material with negative pressure, large granular materials sedimentation falls
Entering in the ash bucket of the first cyclone dust collector, fine dust enters bag-type dust collector, larger particles with negative pressure wind
Material sedimentation falls in the ash bucket of bag-type dust collector, and the fine dust of rising is then by the filtrate of bag-type dust collector
Stopping, the particulate dust being attached to cloth bag is shaken off by pulse compression air, and clean gas penetrates filtrate with air inducing
Machine is discharged through chimney；
(4) material collected through the ash bucket of the first cyclone dust collector, bag-type dust collector, passes through discharging
Conveyer device and emission of baiting chute fall into the second cyclone dust collector and the hot blast with heating plant supply mixes
Closing, the granule materials process time in the second cyclone dust collector is 1～3s, and granule materials is at high-speed rotary
Turning after hot blast effect falls into the ash bucket of the second cyclone dust extractor falls in storage bin, and fine dusts is entered with hot blast
Enter to dry dispersing device and be again introduced into processing procedure.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (4)
1. a fast dewatering produces plaster of Paris powder system, it is characterised in that include the weighing set gradually
Device (1), conveyer device (2), drawing-in device (3), dry dispersing device (4), drying device (5),
First cyclone dust collector (6), bag-type dust collector (7), the second cyclone dust collector (9) and storage bin
(10)；The lower end of described bag-type dust collector (7) is provided with out material conveying device (8), and described discharging carries
Connected by emission of baiting chute between the outlet of device (8) with the second cyclone dust collector (9), described cloth bag
Dust arrester (7) is provided with air-introduced machine (11) and air compression plant (12), described air-introduced machine (11)
Outlet be connected with chimney (13), described second cyclone dust collector (9) is provided with heating plant (14), institute
State the second cyclone dust collector (9) and connect with drying dispersing device (4).
The most according to claim 1, fast dewatering produces plaster of Paris powder system, it is characterised in that described
Meausring apparatus (1) is belt conveyer scale, and described conveyer device (2) is belt conveyor, described drawing-in device (3)
For lock feeding device, described drying device (5) is pneumatic conveyer dryer, and described heating plant (14) is hot blast
Stove.
3. the method that a fast dewatering produces building gypsum plaster, it is characterised in that comprise the steps:
(1) wet stock falls into meausring apparatus by wet feed storehouse, is delivered to drawing-in device through conveyer device after weighing
Rear entrance dries dispersing device；
(2) wet stock carries out abundant heat exchange with hot blast in drying dispersing device, sloughs substantial amounts of moisture, with
Time dry dispersing device coherent material is smashed after be thrown into dry dispersing device feed box, with negative pressure
Enter drying device；
(3) entering the first cyclone dust collector through dried material with negative pressure, large granular materials sedimentation falls
Entering in the ash bucket of the first cyclone dust collector, fine dust enters bag-type dust collector, larger particles with negative pressure wind
Material sedimentation falls in the ash bucket of bag-type dust collector, and the fine dust of rising is then by the filtrate of bag-type dust collector
Stopping, be attached to after the particulate dust of cloth bag shaken off by pulse compression air, clean gas penetrates filtrate with drawing
Blower fan is discharged through chimney；
(4) material collected through the ash bucket of the first cyclone dust collector, bag-type dust collector, passes through discharging
Conveyer device and emission of baiting chute fall into the second cyclone dust collector and the hot blast with heating plant supply mixes
Closing, granule materials falls into storage bin after high speed rotating hot blast effect falls into the ash bucket of the second cyclone dust extractor
In, fine dusts enters drying dispersing device with hot blast and is again introduced into processing procedure.
Fast dewatering the most according to claim 3 produces the method for building gypsum plaster, it is characterised in that
In described step (4), the granule materials time in the second cyclone dust collector is 1～3s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201086.4A CN104291719B (en) | 2014-05-13 | 2014-05-13 | A kind of fast dewatering produces building gypsum plaster system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410201086.4A CN104291719B (en) | 2014-05-13 | 2014-05-13 | A kind of fast dewatering produces building gypsum plaster system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104291719A CN104291719A (en) | 2015-01-21 |
| CN104291719B true CN104291719B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410201086.4A Expired - Fee Related CN104291719B (en) | 2014-05-13 | 2014-05-13 | A kind of fast dewatering produces building gypsum plaster system and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807346A (en) * | 2015-04-30 | 2015-07-29 | 云南创森环保科技有限公司 | Powdery material cooling system |
| CN105481275B (en) * | 2015-12-23 | 2016-11-09 | 盐城市富仕环保科技有限公司 | A kind of system and method utilizing industrially desulfurized by-product gypsum to produce plaster of Paris |
| CN108162102B (en) * | 2016-12-07 | 2020-06-05 | 中国中轻国际工程有限公司 | Process and system for producing biomass active filler for plywood |
| CN108569853B (en) * | 2018-07-19 | 2023-10-31 | 西安建筑科技大学 | Industrial byproduct gypsum dehydration system and process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515594A (en) * | 2011-12-31 | 2012-06-27 | 四川宏达股份有限公司 | Gypsum powder calcination technology |
| CN202322650U (en) * | 2011-04-18 | 2012-07-11 | 天津市盛德伟业钙石脱硫材料有限公司 | Semi-hydrated gypsum processing system |
| CN103570264A (en) * | 2013-11-11 | 2014-02-12 | 天津市赫道脱硫材料有限公司 | Hemihydrate gypsum processing system |
-
2014
- 2014-05-13 CN CN201410201086.4A patent/CN104291719B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202322650U (en) * | 2011-04-18 | 2012-07-11 | 天津市盛德伟业钙石脱硫材料有限公司 | Semi-hydrated gypsum processing system |
| CN102515594A (en) * | 2011-12-31 | 2012-06-27 | 四川宏达股份有限公司 | Gypsum powder calcination technology |
| CN103570264A (en) * | 2013-11-11 | 2014-02-12 | 天津市赫道脱硫材料有限公司 | Hemihydrate gypsum processing system |
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| CN104291719A (en) | 2015-01-21 |
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Granted publication date: 20160824 Termination date: 20170513 |