CN204138536U - A kind of for device that is dry and calcining desulfurated plaster - Google Patents
A kind of for device that is dry and calcining desulfurated plaster Download PDFInfo
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- CN204138536U CN204138536U CN201420249085.2U CN201420249085U CN204138536U CN 204138536 U CN204138536 U CN 204138536U CN 201420249085 U CN201420249085 U CN 201420249085U CN 204138536 U CN204138536 U CN 204138536U
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Abstract
The utility model discloses a kind of for device that is dry and calcining desulfurated plaster, belong to gypsum treatment technical field.Comprise feeding structure, break up structure, airstream drying tower, pulsed jet cloth filter, screw conveying structure, calcination, fluidization stove, induced draft fan, hotblast stove and gas blower, feeding structure, break up structure, airstream drying tower, pulsed jet cloth filter is connected by pipeline successively with induced draft fan, pulsed jet cloth filter is connected with calcination, fluidization stove by connecting pipe, screw conveying structure is provided with bottom pulsed jet cloth filter, screw conveying structure is connected by dried gypsum transfer lime with the opening for feed of calcination, fluidization stove, the hot-air mouth of calcination, fluidization stove is connected with hotblast stove and gas blower respectively by pipeline with gas inlet, the waste heat outlet of calcination, fluidization stove is by air channel and break up anatomical connectivity, the bottom of airstream drying tower is connected with hotblast stove by heating duct, dried gypsum transfer lime is provided with dried gypsum delivery port, calcination, fluidization stove is provided with calcined gypsum delivery port.
Description
Technical field
The utility model belongs to gypsum treatment technical field, particularly a kind of for device that is dry and calcining desulfurated plaster, particularly relates to a kind of device utilizing the desulfurated plaster of thermal power plants to produce building materials raw material.
Background technology
Gypsum is oblique system mineral, and main chemical compositions is calcium sulfate (CaSO
4).Gypsum is a kind of broad-spectrum Industrial materials and material of construction.Can be used for cement setting retarder, gypsum building products, Modelling, medical food additive, gas washing in SA production, filler, paint filler etc.The microvoid structure of gypsum and goods thereof and thermal dehydration, make it the excellent sound insulation of tool, heat insulation and fire resistance.
Terra alba product comprises dihydrate gypsum powder, semi-hydrated gypsum powder and anhydrous plaster powder.Dihydrate gypsum powder is the calcium sulphate crystal having two crystal water.In the heat treated of different condition, dihydrate gypsum powder deviates from 1.5 crystal water becomes semi-hydrated gypsum powder.Dihydrate gypsum powder deviates from 2 crystal water then becomes anhydrous plaster powder.The calcining raw materials of dihydrate gypsum powder, semi-hydrated gypsum powder and anhydrous plaster powder mainly contains the plaster of paris, industry by-product gypsum.The plaster of paris or industry by-product gypsum product all contain outer water (planar water), and therefore, these raw materials, before crystal water is sloughed in calcining, need first to slough outer water.To sum up, terra alba calcining mainly comprises and sloughs outer water, sloughs crystal water two processes.
Thermal power plants can produce a large amount of desulfurated plasters in sweetening process, moisture 10-20%, and needing could as gypsum product through process.Gypsum powder calcination technology of the prior art, mainly controls the degree of sloughing outer water and crystal water by control calcining temperature and calcination time, thus produces dihydrate gypsum powder, semi-hydrated gypsum powder or anhydrous plaster powder.
Existing terra alba roasting assembly mainly comprises frying pan, rotary calciner, fluidized calcination bed.There is following technical problem in aforementioned terra alba roasting assembly: (1) adopts stir-frying-technology, and power consumption is large, and need power wheel drive calciner, resource consumption is serious; (2) be only applicable to frying single variety (as semi-hydrated gypsum or dehydrated gyp-), the terra alba kind that frying is different cannot be applicable to; (3) in product, principal phase purity is not high needs ageing to make secondaryly to complete phase transformation mutually, and reach product moisture equilibrium, the terra alba Product Activity therefore obtained is low, quality is undesirable.In sum, the terra alba calcining technology of prior art is often only adapted to produce single gypsum kind, and equipment investment is large, product quality is low, and production capacity is but very limited, and because terra alba frying temperature is high and heat loss is high, production process energy consumption is large, produces detrimentally affect to environment.
Summary of the invention
In order to solve the problem, the utility model embodiment provides a kind of for device that is dry and calcining desulfurated plaster.Described technical scheme is as follows: the utility model embodiment provides a kind of for device that is dry and calcining desulfurated plaster, this device comprises feeding structure 1, break up structure 2, airstream drying tower 3, pulsed jet cloth filter 4, screw conveying structure 5, calcination, fluidization stove 6, induced draft fan 7, hotblast stove 8 and gas blower 9, described feeding structure 1, break up structure 2, airstream drying tower 3, pulsed jet cloth filter 4 is connected by pipeline successively with induced draft fan 7, described pulsed jet cloth filter 4 is connected with described calcination, fluidization stove 6 by connecting pipe 15, described screw conveying structure 5 is provided with bottom described pulsed jet cloth filter 4, described screw conveying structure 5 is connected by dried gypsum transfer lime 12 with the opening for feed of described calcination, fluidization stove 6, the hot-air mouth of described calcination, fluidization stove 6 is connected with described hotblast stove 8 and gas blower 9 respectively by pipeline with gas inlet, the waste heat outlet of described calcination, fluidization stove 6 is connected with described structure 2 of breaing up by air channel 10, the bottom of described airstream drying tower 3 is connected with described hotblast stove 8 by heating duct 11, described dried gypsum transfer lime 12 is provided with dried gypsum delivery port 13, described calcination, fluidization stove 6 is provided with calcined gypsum delivery port 14.
Wherein, the height of the airstream drying tower 3 in the utility model embodiment is 20-25m.
Wherein, the induced draft fan 7 in the utility model embodiment is centrifugal fan.
Wherein, the gas blower 9 in the utility model embodiment is trilobal cross Root's blower.
Particularly, the quantity of the gas blower 9 in the utility model embodiment is 2.
Wherein, dried gypsum delivery port 13 in the utility model embodiment is connected with dried gypsum storage tank and calcined gypsum storage tank respectively by pipeline with calcined gypsum delivery port 14, and described dried gypsum delivery port 13 and calcined gypsum delivery port 14 share an output drum blower fan.
Wherein, the heating duct 11 in the utility model embodiment is provided with control valve, is provided with electronic thermometer in described pulsed jet cloth filter 4 and calcination, fluidization stove 6.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model provides a kind of for device that is dry and calcining desulfurated plaster, and this device can produce multiple gypsum product; This device is whole is simultaneously a structure closed, and heat utilization ratio is high, and heat is arranged few outward, and does not substantially have gypsum powder to arrange outward, energy-conserving and environment-protective; This device Heating temperature and be convenient to heat-up time control, good product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device for dry and calcining desulfurated plaster that the utility model embodiment provides.
In figure: 1 feeding structure, 2 breaks up structure, 3 airstream drying towers, 4 pulsed jet cloth filters, 5 screw conveying structures, 6 calcination, fluidization stoves, 7 induced draft fans, 8 hotblast stoves, 9 gas blowers, 10 air channels, 11 heating ducts, 12 dried gypsum transfer limes, 13 dried gypsum delivery ports, 14 calcined gypsum delivery ports, 15 connecting pipes.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model embodiment provides a kind of for device that is dry and calcining desulfurated plaster, and this device comprises feeding structure 1, breaks up structure 2, airstream drying tower 3, pulsed jet cloth filter 4, screw conveying structure 5, calcination, fluidization stove 6, induced draft fan 7, hotblast stove 8 and gas blower 9 etc.Wherein, feeding structure 1, break up structure 2, airstream drying tower 3, pulsed jet cloth filter 4 be connected by pipeline successively with induced draft fan 7, particularly, hotblast stove 8, calcination, fluidization stove 6, break up structure 2 and airstream drying tower 3 is located on ground from front to back successively, feeding structure 1 is located at and is broken up above structure 2, pulsed jet cloth filter 4 is located at directly over calcination, fluidization stove 6, and induced draft fan 7 and gas blower 9 are located on ground.Pulsed jet cloth filter 4 is connected with calcination, fluidization stove 6 by connecting pipe 15, particularly, is connected in the middle part of the ash bucket of pulsed jet cloth filter 4 by two connecting pipes 15 with the top of calcination, fluidization stove 6.Wherein, bottom pulsed jet cloth filter 4, (hopper bottom) is provided with screw conveying structure 5, and be preferably metering screw structure for conveying, the delivery port of this screw conveying structure 5 is connected by dried gypsum transfer lime 12 with the opening for feed of calcination, fluidization stove 6.The hot-air mouth (front end) of calcination, fluidization stove 6 is connected with hotblast stove 8 and gas blower 9 respectively by pipeline with gas inlet (front end), this pipeline can be arranged flow pump for controlling calcination parameter.Wherein, the waste heat of calcination, fluidization stove 6 outlet (rear end) by air channel 10 with break up structure 2 and be connected the recycling realizing heat, the taper air channel connection that concrete employing is pre-large post-small.The bottom of airstream drying tower 3 is connected for providing heat for airstream drying tower 3 with hotblast stove 8 by heating duct 11.Wherein, dried gypsum transfer lime 12 is provided with dried gypsum delivery port 13 for obtaining sloughing the desulfurated plaster of outer water, and calcination, fluidization stove 6 is provided with calcined gypsum delivery port 14 for being sloughed or partly slough the gypsum of crystal water.Wherein, the air after heating passes into and makes the unsettled calcining of gypsum bottom calcination, fluidization stove 6, calcines effective.
Wherein, the height of the airstream drying tower 3 in the utility model embodiment is 20-25m, to ensure good drying effect.
Wherein, the aperture of pulsed jet cloth filter 4 cloth bag in the utility model embodiment is 200-400 order, and adopts heat-stable material to make.
Wherein, the induced draft fan 7 in the utility model embodiment is centrifugal fan.
Wherein, the gas blower 9 in the utility model embodiment is trilobal cross Root's blower.
Particularly, the quantity of the gas blower 9 in the utility model embodiment is 2, and be connected with two gas inlets of calcination, fluidization stove 6 front end respectively by pipeline, the air after heating is connected with bottom it from front end by pipeline.
Wherein, the dried gypsum delivery port 13 in the utility model embodiment is connected with dried gypsum storage tank and calcined gypsum storage tank respectively by pipeline with calcined gypsum delivery port 14, and this pipeline is provided with by-pass valve control for gating delivery port.And dried gypsum delivery port 13 and calcined gypsum delivery port 14 share an output drum blower fan (for the desulfurated plaster sloughing outer water is sent into dried gypsum storage tank and calcined gypsum storage tank respectively with the gypsum sloughing or partly slough crystal water).
Wherein, heating duct 11 in the utility model embodiment is provided with control valve, dry in conjunction with the by-pass valve control co-controlling that the pipeline between calcination, fluidization stove 6 and hotblast stove 8 is arranged and calcine temperature, be provided with electronic thermometer for detecting the temperature of corresponding component in pulsed jet cloth filter 4 and calcination, fluidization stove 6, the temperature of calcination, fluidization stove 6 is controlled at about 180 DEG C.
The utility model provides a kind of for device that is dry and calcining desulfurated plaster, and this device can produce multiple gypsum product; This device is whole is simultaneously a structure closed, and heat utilization ratio is high, and heat is arranged few outward, and does not substantially have gypsum powder to arrange outward, energy-conserving and environment-protective; This device Heating temperature and be convenient to heat-up time control, good product quality.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. one kind for device that is dry and calcining desulfurated plaster, it is characterized in that, comprise feeding structure (1), break up structure (2), airstream drying tower (3), pulsed jet cloth filter (4), screw conveying structure (5), calcination, fluidization stove (6), induced draft fan (7), hotblast stove (8) and gas blower (9), described feeding structure (1), break up structure (2), airstream drying tower (3), pulsed jet cloth filter (4) is connected by pipeline successively with induced draft fan (7), described pulsed jet cloth filter (4) is connected with described calcination, fluidization stove (6) by connecting pipe (15), described pulsed jet cloth filter (4) bottom is provided with described screw conveying structure (5), described screw conveying structure (5) is connected by dried gypsum transfer lime (12) with the opening for feed of described calcination, fluidization stove (6), the hot-air mouth of described calcination, fluidization stove (6) is connected with described hotblast stove (8) and gas blower (9) respectively by pipeline with gas inlet, the waste heat outlet of described calcination, fluidization stove (6) is connected with described structure (2) of breaing up by air channel (10), the bottom of described airstream drying tower (3) is connected with described hotblast stove (8) by heating duct (11), described dried gypsum transfer lime (12) is provided with dried gypsum delivery port (13), described calcination, fluidization stove (6) is provided with calcined gypsum delivery port (14).
2. according to claim 1 for device that is dry and calcining desulfurated plaster, it is characterized in that, the height of described airstream drying tower (3) is 20-25m.
3. according to claim 1 for device that is dry and calcining desulfurated plaster, it is characterized in that, described induced draft fan (7) is centrifugal fan.
4. according to claim 1 for device that is dry and calcining desulfurated plaster, it is characterized in that, described gas blower (9) is trilobal cross Root's blower.
5. according to claim 1 or 4 for device that is dry and calcining desulfurated plaster, it is characterized in that, the quantity of described gas blower (9) is 2.
6. according to claim 1 for device that is dry and calcining desulfurated plaster, it is characterized in that, described dried gypsum delivery port (13) is connected with dried gypsum storage tank and calcined gypsum storage tank respectively by pipeline with calcined gypsum delivery port (14), and described dried gypsum delivery port (13) and calcined gypsum delivery port (14) share an output drum blower fan.
7. according to claim 1 for device that is dry and calcining desulfurated plaster, it is characterized in that, described heating duct (11) is provided with control valve, is provided with electronic thermometer in described pulsed jet cloth filter (4) and calcination, fluidization stove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249085.2U CN204138536U (en) | 2014-05-16 | 2014-05-16 | A kind of for device that is dry and calcining desulfurated plaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420249085.2U CN204138536U (en) | 2014-05-16 | 2014-05-16 | A kind of for device that is dry and calcining desulfurated plaster |
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| CN204138536U true CN204138536U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420249085.2U Expired - Fee Related CN204138536U (en) | 2014-05-16 | 2014-05-16 | A kind of for device that is dry and calcining desulfurated plaster |
Country Status (1)
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| CN (1) | CN204138536U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569853A (en) * | 2018-07-19 | 2018-09-25 | 西安建筑科技大学 | A kind of industry by-product gypsum dewatering system and technique |
| CN110423026A (en) * | 2019-06-27 | 2019-11-08 | 康定龙源穗城石膏有限责任公司 | A kind of land plaster manufacture craft and system |
| CN110451831A (en) * | 2019-08-28 | 2019-11-15 | 绵竹市恒远环保科技有限公司 | Building gypsum plaster calcine technology and device |
| CN113880470A (en) * | 2021-09-30 | 2022-01-04 | 泰安路发节能环保设备有限公司 | Novel process and equipment for producing building gypsum |
-
2014
- 2014-05-16 CN CN201420249085.2U patent/CN204138536U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569853A (en) * | 2018-07-19 | 2018-09-25 | 西安建筑科技大学 | A kind of industry by-product gypsum dewatering system and technique |
| CN108569853B (en) * | 2018-07-19 | 2023-10-31 | 西安建筑科技大学 | Industrial byproduct gypsum dehydration system and process |
| CN110423026A (en) * | 2019-06-27 | 2019-11-08 | 康定龙源穗城石膏有限责任公司 | A kind of land plaster manufacture craft and system |
| CN110451831A (en) * | 2019-08-28 | 2019-11-15 | 绵竹市恒远环保科技有限公司 | Building gypsum plaster calcine technology and device |
| CN110451831B (en) * | 2019-08-28 | 2021-12-14 | 绵竹市恒远环保科技有限公司 | Building gypsum powder calcining process and device |
| CN113880470A (en) * | 2021-09-30 | 2022-01-04 | 泰安路发节能环保设备有限公司 | Novel process and equipment for producing building gypsum |
| CN113880470B (en) * | 2021-09-30 | 2023-03-07 | 泰安路发节能环保设备有限公司 | Process and equipment for producing building gypsum |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20150516 |
|
| EXPY | Termination of patent right or utility model |