CN202450001U - Equipment using chemical by-product gypsum to produce building gypsum powder - Google Patents
Equipment using chemical by-product gypsum to produce building gypsum powder Download PDFInfo
- Publication number
- CN202450001U CN202450001U CN2012200121996U CN201220012199U CN202450001U CN 202450001 U CN202450001 U CN 202450001U CN 2012200121996 U CN2012200121996 U CN 2012200121996U CN 201220012199 U CN201220012199 U CN 201220012199U CN 202450001 U CN202450001 U CN 202450001U
- Authority
- CN
- China
- Prior art keywords
- outlet
- heat
- hot
- powder
- heating installation
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses equipment using chemical by-product gypsum to produce building gypsum powder, which has the characteristic of increasing the efficiency of heat utilization. The production equipment comprises heating equipment, wherein a heat-conduction oil inlet and a heat-conduction oil outlet are also arranged on the heating equipment, and a heating equipment heat exchange tube communicated with the heat-conduction oil inlet and the heat-conduction oil outlet is arranged in an inner cavity of the heating equipment. A hot oil inlet and a hot oil outlet are arranged on a powder frying device, and an inner cavity of the powder frying device is provided with a powder frying heat exchange tube communicated with the hot oil inlet and the hot oil outlet. The heat-conduction oil outlet is communicated with the hot oil inlet. As the same heating equipment has a function of supplying hot smoke and heat-conduction oil at the same time, the efficiency of heat utilization can be greatly increased. Moreover, the quality of a product can be ensured through control to a heating proportion of hot smoke and hot oil.
Description
Technical field
The utility model relates to a kind of gypsum production unit, is specifically related to the equipment that a kind of chemical by-product gypsum is produced building gypsum plaster.
Background technology
At present, the principal feature of chemical by-product gypsum is to contain a certain proportion of physical attachment water.Economical and effective oven dry attached water is the key problem in technology that chemical by-product gypsum is produced building gypsum plaster.Existing main production method has following 3 kinds:
Method 1: use elevated temperature heat cigarette direct heating to produce building gypsum plaster, the hammer flash drying machine direct production like the rotor that adopts the heating of elevated temperature heat cigarette is commonly called as " single stage method ".
Method 2: use elevated temperature heat cigarette generating unit to dry chemical by-product gypsum raw material earlier, re-use another heating plant and accomplish the terra alba frying, be commonly called as " two step method " for frying the heat supply of powder device as the drying unit heat supply.
Method 3: use hot cigarette generating unit to be drying unit and stir-fry powder device heat supply simultaneously production building gypsum plaster.
There is following main drawback in the current technology technology:
The shortcoming that A, 3 kinds of process methodes exist respectively is: the building gypsum plaster quality that method 1 is produced is unstable, and the product performance index regulation range is narrow; Method 2 need be provided with intermediate buffering storage regulation system could guarantee quality product, and system complex is huge; Method 3 is fried the easy scaling loss of powder part high temperature flue gas pipeline.
B, 3 kinds of common disadvantage of process method are that smoke discharge amount is big, and energy consumption is high.
Its major cause is: use the production unit of hot cigarette heating, be subject to economical production device security use temperature (being generally about 700 ℃), therefore, should hot flue-gas temperature be controlled at about 700 ℃.In order to control the temperature of hot flue gas; Existing method all is the excessive wind that in process furnace, provides abundant; Excessive wind coefficient generally need be greater than 4; Cause after drying and fry powder production, actual exit gas quantity discharged with respect to the high 1.5-2.5 of theoretical combustion product gases quantity discharged doubly causes thermosteresis up to 20-25%; Excessive flue gas part not only makes the production system power consumption increase more than 20%, and after also causing oven dry, frying powder, when flue gas was carried out dedusting, dedusting environment friendly equipment input increased more than 30%.
The utility model content
The utility model technical problem to be solved provides the equipment that a kind of chemical by-product gypsum that improves efficiency of utilization is produced building gypsum plaster.
The utility model solves the technical scheme that its technical problem adopted: chemical by-product gypsum is produced the equipment of building gypsum plaster; Comprise heating installation, dehumidifying drying device, fry powder device and cleaning apparatus; Heating installation is provided with combustion-supporting blast entrance and the outlet of hot cigarette; The inlet of dehumidifying drying device communicates with the hot cigarette outlet of heating installation, and the outlet of dehumidifying drying device communicates with the inner chamber of frying the powder device and the inner chamber of cleaning apparatus, also is provided with the outlet of heat conductive oil inlet and thermal oil on the said heating installation; In the heating installation inner chamber, be provided with the heating installation heat transfer tube that is communicated with heat conductive oil inlet and thermal oil outlet; Fry the powder device and be provided with hot oil inlet and hot oil outlet, frying the stir-fry powder heat transfer tube that powder device inner chamber is provided with connection hot oil inlet and hot oil outlet, said thermal oil outlet communicates with hot oil inlet.
Further be that heating installation is provided with non-combustion-supporting secondary air distribution outlet.
As preferred scheme, said cleaning apparatus is arranged on fries powder device top, and the inner chamber of frying the powder device communicates with the inner chamber of cleaning apparatus; Cleaning apparatus is provided with smoke inlet and exhanst gas outlet, and the outlet of said dehumidifying drying device communicates with smoke inlet through pipeline.
Further be to be provided with and to fry the pressure air inlet that powder device inner chamber communicates in stir-fry powder device bottom.
As preferred scheme, said dehumidifying drying device adopts the hammer dehumidifying drying machine of rotor.
The beneficial effect of the utility model is: owing to adopt same heating installation that hot flue gas and thermal oil are provided simultaneously; Make hot flue gas distribute the certain proportion heat; Thermal oil distributes the certain proportion heat; Compare with three kinds of process methodes of the prior art, only need the excessive wind coefficient of 1.5 to 2.5 times of feedings in the heating installation, can reduce hot cigarette exhaust emissions amount 1-2 doubly; Can also reduce simultaneously the exhaust temperature of exit gas, thereby improve heat utilization efficiency 10-15%, reduce production system power consumption 20-30%; When exit gas is carried out dedusting, can also reduce the input of dedusting environment friendly equipment in addition, be particluarly suitable for chemical gypsum and produce on the equipment of plaster of Paris and apply.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is a structural representation in the another kind of embodiment of the utility model.
Be labeled as among the figure: heating installation 1, dehumidifying drying device 2, fry powder device 3, combustion-supporting blast entrance 4, hot cigarette outlet 5, heat conductive oil inlet 6, thermal oil outlet 7, heating installation heat transfer tube 8, hot oil inlet 9, hot oil outlet 10, fry powder heat transfer tube 11, non-combustion-supporting secondary air distribution outlet 12, cleaning apparatus 13, pressure air inlet 14, smoke inlet 15, exhanst gas outlet 16, pipeline 17.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Like Fig. 1 and shown in Figure 2; The chemical by-product gypsum of the utility model is produced the equipment of building gypsum plaster; Comprise heating installation 1, dehumidifying drying device 2, fry powder device 3 and cleaning apparatus 13; Heating installation 1 is provided with combustion-supporting blast entrance 4 and hot cigarette outlet 5; The inlet of dehumidifying drying device 2 communicates with the hot cigarette outlet 5 of heating installation 1, and the outlet of dehumidifying drying device 2 communicates with the inner chamber of frying powder device 3 and the inner chamber of cleaning apparatus 13, also is provided with heat conductive oil inlet 6 and thermal oil outlet 7 on the said heating installation 1; In heating installation 1 inner chamber, be provided with the heating installation heat transfer tube 8 that is communicated with heat conductive oil inlet 6 and thermal oil outlet 7; Fry powder device 3 and be provided with hot oil inlet 9 and hot oil outlet 10, be provided with the stir-fry powder heat transfer tube 11 that is communicated with hot oil inlet 9 and hot oil outlet 10 frying powder device 3 inner chambers, said thermal oil outlet 7 communicates with hot oil inlet 9.During work; Heating installation 1 is from combustion-supporting blast entrance 4 air blast; Feed thermal oil from heat conductive oil inlet 6; Utilize modes such as coal-fired, fuel oil or combustion gas that heating installation 1 is heated, make the hot cigarette after the heating escape and enter dehumidifying drying device 2 from hot cigarette outlet 5, deep fat is discharged and is got in the stir-fry powder heat transfer tube 11 of frying powder devices 3 from hot oil inlet 9 through thermal oil outlet 7; Simultaneously, in dehumidifying drying device 2, add chemical by-product gypsum raw material.Hot cigarette carries out dehumidifying drying to containing wet-chemical by-product gypsum raw material in dehumidifying drying device 2; Powder after the oven dry gets into to fry in the powder device 3 after the outlet of dehumidifying drying device 2 and carries out heat exchange with the deep fat of frying in the powder heat transfer tube 11; Make powder dewater frying and generate behind the building gypsum plaster grog and discharge from frying powder device 3, hot cigarette carries out discharging after the dust removal operation through cleaning apparatus 13; Deep fat is discharged from hot oil outlet 10 after the heat exchange in frying powder heat transfer tube 11, and the deep fat after the discharge can store earlier, or gets into from the heat conductive oil inlet 6 of heating installation 1 once more and be heated to be 3 heat supplies of stir-fry powder device once more.In this process, owing in the heating installation 1 hot flue gas and thermal oil are provided simultaneously, then in the heat-processed of heating installation 1; Hot flue gas distributes the certain proportion heat, and thermal oil distributes the certain proportion heat, like this; Heat supply ratio through hot flue gas of properly distributed and thermal oil; Compare with three kinds of process methodes of the prior art, only need the excessive wind coefficient of 1.5 to 2.5 times of feedings in the heating installation 1, can reduce hot cigarette exhaust emissions amount 1-2 doubly; Can also reduce simultaneously the exhaust temperature of exit gas, thereby improve heat utilization efficiency 10-15%, reduce production system power consumption 20-30%; When exit gas is carried out dedusting, can also reduce the input of dedusting environment friendly equipment in addition.
Under the nominal situation of above-mentioned embodiment, through air blast in the combustion-supporting blast entrance 4 past heating installations 1; When hot cigarette heat supply during greater than the deep fat heat supply; Be that gypsum raw material is in overbaking dry state (part is taken off crystal water) when in dehumidifying drying device 2, drying; Only need the simple total heat supply that improves or reduce heating installation 1; Do not need the secondary air distribution to regulate, its reason is that the overbaking dry state of appropriateness does not influence quality product, and the secondary air distribution is regulated the heat that can increase flue gas.But work as hot cigarette heat supply less than the deep fat heat supply; Be that gypsum raw material is in incomplete oven dry attitude when in dehumidifying drying device 2, drying, need to improve flue gas heat supply ratio, under this operating mode; Simply change the heat supply total amount that once combustion-supporting air blast meeting increases hot cigarette and deep fat through combustion-supporting blast entrance 4; Therefore, as preferred mode, heating installation 1 is provided with non-combustion-supporting secondary air distribution outlet 12.Make when gypsum raw material is in incomplete oven dry attitude; In heating installation 1, feed excessive wind through non-combustion-supporting secondary air distribution outlet 12; Can improve the heat supplied (in fact having regulated the heat supply ratio of hot cigarette and deep fat) of flue gas, reach the oven-dried condition that needs when gypsum raw material is dried in dehumidifying drying device 2.
In above embodiment; But said cleaning apparatus 13 with fry the 3 split settings of powder device, at this moment, the primary mixture after coming out from dehumidifying drying device 2 needs separate through gas powder separator; Hot flue gas after the separation is passed into and carries out dust removal by filtration in the cleaning apparatus 13; Powder then feeds to fry fries the powder operation in the powder device 3, but this mode makes system comparatively complicated, conveying need be set, promote and lock systems such as wind feed; In addition, when situation such as system's chance outage suddenly, cause cleaning apparatus 13 dewfall easily.Therefore, as preferred mode, said cleaning apparatus 13 is arranged on fries powder device 3 tops, and the inner chamber of frying powder device 3 communicates with the inner chamber of cleaning apparatus 13; Cleaning apparatus 13 is provided with smoke inlet 15 and exhanst gas outlet 16, and the outlet of said dehumidifying drying device 2 communicates with smoke inlet 15 through pipeline 17.Like this; Fry powder device 3 and be integrally formed structure with cleaning apparatus 13; The primary mixture that comes out from dehumidifying drying device 2 can all enter into through smoke inlet 15 and carry out dust removal and filtration in the cleaning apparatus 13; Filtered smoke gas is discharged from exhanst gas outlet 16, and powder then directly falls into stir-fry powder device 3 and fries the powder operation.Because cleaning apparatus 13 is connected the top of frying powder device 3 and is integrally formed structure; Like this; When cleaning apparatus 13 outage suddenly, the heat in the stir-fry powder device 3 capable of using is protected heat to cleaning apparatus 13, thereby avoids the hot humid gas in the cleaning apparatus 13 to reduce to below the dewpoint fast; Also just avoid powder to be bonded on the filtering element in the cleaning apparatus 13 and stopped up filtering element, guaranteed the dedusting safety of cleaning apparatus 13; Simultaneously; Because the outlet of dehumidifying drying device 2 communicates with smoke inlet 15 through pipeline 17; Make powder directly to enter into to fry and fry the powder operation in the powder device 3 from dehumidifying drying device 2; No longer need intermediate buffering to store regulation system, quality product is high, and product performance index is stable, regulation range is big.
On the basis of above-mentioned embodiment, be provided with and fry the pressure air inlet 14 that powder device 3 inner chambers communicate in stir-fry powder device 3 bottoms.Like this, can feed pressed gas in the powder device 3 toward frying through pressure air inlet 14, this pressed gas can make the gypsum powder of frying in the powder device 3 be in fluidized state, accomplishes the terra alba frying and improves heat exchange efficiency.
In above embodiment; As shown in Figure 2; Said dehumidifying drying device 2 can adopt the rotary dryer that has material delivering plate in the inner chamber; Its advantage is that the rotary drying machine specific rotation walks around that sub-hammer dehumidifying drying machine is simple, investment is little, and main drawback is bulkyly to leak out with existence and cause the thermosteresis problem.Therefore, as preferred scheme, said dehumidifying drying device 2 adopts the hammer dehumidifying drying machine of rotor.The hammer dehumidifying drying facility of rotor have that volume is little, output is big, do not have and leak out and advantage such as high efficiency drying.
Claims (5)
1. chemical by-product gypsum is produced the equipment of building gypsum plaster; Comprise heating installation (1), dehumidifying drying device (2), fry powder device (3) and cleaning apparatus (13); Heating installation (1) is provided with combustion-supporting blast entrance (4) and hot cigarette outlet (5); The inlet of dehumidifying drying device (2) communicates with the hot cigarette outlet (5) of heating installation (1); The outlet of dehumidifying drying device (2) communicates with the inner chamber of frying powder device (3) and the inner chamber of cleaning apparatus (13); It is characterized in that: also be provided with heat conductive oil inlet (6) and thermal oil outlet (7) on the said heating installation (1), in heating installation (1) inner chamber, be provided with the heating installation heat transfer tube (8) that is communicated with heat conductive oil inlet (6) and thermal oil outlet (7), fry powder device (3) and be provided with hot oil inlet (9) and hot oil outlet (10); Frying the stir-fry powder heat transfer tube (11) that powder device (3) inner chamber is provided with connection hot oil inlet (9) and hot oil outlet (10), said thermal oil outlet (7) communicates with hot oil inlet (9).
2. chemical by-product gypsum as claimed in claim 1 is produced the equipment of building gypsum plaster, and it is characterized in that: heating installation (1) is provided with non-combustion-supporting secondary air distribution outlet (12).
3. according to claim 1 or claim 2 chemical by-product gypsum is produced the equipment of building gypsum plaster, and it is characterized in that: said cleaning apparatus (13) is arranged on fries powder device (3) top, and the inner chamber of frying powder device (3) communicates with the inner chamber of cleaning apparatus (13); Cleaning apparatus (13) is provided with smoke inlet (15) and exhanst gas outlet (16), and the outlet of said dehumidifying drying device (2) communicates with smoke inlet (15) through pipeline (17).
4. chemical by-product gypsum as claimed in claim 3 is produced the equipment of building gypsum plaster, it is characterized in that: be provided with and fry the pressure air inlet (14) that powder device (3) inner chamber communicates in stir-fry powder device (3) bottom.
5. chemical by-product gypsum as claimed in claim 4 is produced the equipment of building gypsum plaster, it is characterized in that: said dehumidifying drying device (2) adopts the hammer dehumidifying drying machine of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200121996U CN202450001U (en) | 2012-01-12 | 2012-01-12 | Equipment using chemical by-product gypsum to produce building gypsum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200121996U CN202450001U (en) | 2012-01-12 | 2012-01-12 | Equipment using chemical by-product gypsum to produce building gypsum powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202450001U true CN202450001U (en) | 2012-09-26 |
Family
ID=46865882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200121996U Withdrawn - After Issue CN202450001U (en) | 2012-01-12 | 2012-01-12 | Equipment using chemical by-product gypsum to produce building gypsum powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202450001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584050A (en) * | 2012-01-12 | 2012-07-18 | 四川方大新型建材科技开发有限责任公司 | Method and equipment for producing building gypsum powder by using gypsum as chemical by-product |
-
2012
- 2012-01-12 CN CN2012200121996U patent/CN202450001U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584050A (en) * | 2012-01-12 | 2012-07-18 | 四川方大新型建材科技开发有限责任公司 | Method and equipment for producing building gypsum powder by using gypsum as chemical by-product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210486365U (en) | System for drying iron phosphate by using waste heat of roasting furnace | |
| CN101348341A (en) | Manufacturing method for producing construction gypsum from boiler tail gas | |
| CN104075332A (en) | System and method for increasing comprehensive utilization rate of yellow phosphorus tail gas | |
| CN102584050B (en) | Method and equipment for producing building gypsum powder by using gypsum as chemical by-product | |
| CN202450001U (en) | Equipment using chemical by-product gypsum to produce building gypsum powder | |
| CN210741028U (en) | System for utilize cement manufacture waste heat to carry out material drying | |
| CN103819106A (en) | Plasterboard integrated hot-blast stove central heating system | |
| CN203731460U (en) | System for drying fuel by waste smoke gas in biomass power plant | |
| CN104649600B (en) | A kind of cement rotary kiln oxygen enrichment calciner plant and technique | |
| CN203758007U (en) | Chain grate type hot-air stove | |
| CN215102891U (en) | Waste heat recycling system for II type anhydrous gypsum powder production line | |
| CN104456926A (en) | High-efficiency and energy-saving multipurpose gas-fired boiler | |
| CN105486096A (en) | Waste-heat utilization method and device for indirect heating type sintering system | |
| CN101654736B (en) | Suspension stay sintering process and system | |
| CN210891662U (en) | Solid waste pre-incineration system for cooperative disposal of cement kiln | |
| CN209623384U (en) | Drying system is used in a kind of processing of corundum | |
| CN208475981U (en) | A kind of energy-saving pottery ceramic tile drying burning kiln | |
| CN209242688U (en) | A kind of Slapple activating furnace waste heat effective utilization system | |
| CN103693645B (en) | Switch load system for isolated power system operation in calcium carbide plant | |
| AU2015246271A1 (en) | Method and device for drying wet, carbon-containing particulate fuel | |
| CN201314786Y (en) | Sintering system | |
| CN104848674A (en) | Coal mine low concentration gas oxidation high temperature hot air and coal slime preparing and drying technology | |
| CN102788346B (en) | Improved boiler system | |
| CN205261916U (en) | High -efficient heat utilization structure of pottery hot -blast furnace | |
| CN208982167U (en) | A kind of distributed energy resource system for Paris white production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120926 Effective date of abandoning: 20130703 |
|
| RGAV | Abandon patent right to avoid regrant |