CN110734235A - waste heat self-calcining bin body - Google Patents
waste heat self-calcining bin body Download PDFInfo
- Publication number
- CN110734235A CN110734235A CN201911256153.1A CN201911256153A CN110734235A CN 110734235 A CN110734235 A CN 110734235A CN 201911256153 A CN201911256153 A CN 201911256153A CN 110734235 A CN110734235 A CN 110734235A
- Authority
- CN
- China
- Prior art keywords
- wall
- calcining
- bin body
- waste heat
- self
- 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.)
- Pending
Links
- 238000001354 calcination Methods 0.000 title claims abstract description 63
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 239000010440 gypsum Substances 0.000 abstract description 32
- 229910052602 gypsum Inorganic materials 0.000 abstract description 32
- 239000000843 powder Substances 0.000 abstract description 26
- 238000003878 thermal aging Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 11
- 230000032683 aging Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004321 preservation Methods 0.000 description 5
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 4
- 150000004683 dihydrates Chemical class 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241000219000 Populus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
-
- 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
- C04B11/02—Methods and apparatus for dehydrating gypsum
- C04B11/028—Devices therefor characterised by the type of calcining devices used therefor or by the type of hemihydrate obtained
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
waste heat self-calcining bin bodies belong to the field of gypsum powder calcination, and comprise an inner wall, a heat insulation layer, a feeding device, a discharging device and an installation frame, wherein the inner wall is a thin-wall cavity body and is made of metal materials, the heat insulation layer wraps the periphery of the inner wall and can completely cover the periphery of the inner wall, the feeding device is arranged at the upper part of the inner wall and is communicated with an inner cavity of the inner wall, the discharging device is arranged at the lower end of the inner wall and is communicated with the inner cavity of the inner wall, the installation frame is arranged on the inner wall and is fixedly connected with the inner wall and can support and fixedly install the inner wall, and the waste heat self-calcining bin body has the characteristics of ensuring calcined gypsum powder.
Description
Technical Field
The invention belongs to the field of gypsum powder calcination, and particularly relates to a waste heat self-calcination bin body applied to a method for calcining and converting dihydrate gypsum into anhydrous or hemihydrate gypsum in varieties.
Background
The high-temperature calcination method is characterized in that dihydrate gypsum is a novel method for creating high-efficiency and continuous calcination production, is converted into anhydrous gypsum or a mixture of the anhydrous gypsum and the semi-hydrated gypsum, is cooled and cooled, is added with water to convert the dihydrate gypsum into the semi-hydrated gypsum, is difficult to be converted into the semi-hydrated gypsum after being cooled and cooled, is difficult to be subjected to a high-temperature reduction furnace, is difficult to be subjected to a high-temperature reduction test, is different in the production efficiency, is found to be in a new method for continuous calcination production, is different in the production efficiency, is different in the temperature reduction furnace, is different in the reduction process, is difficult to be subjected to the high-temperature calcination, is different in the reduction furnace, is different in the reduction process, is different in the reduction furnace, is different in the production process, is different in the high-temperature reduction furnace, is different in the high-temperature reduction furnace, the high-reduction furnace, is different in the high-reduction furnace, the high-temperature reduction furnace, the high-reduction furnace is difficult-reduction furnace, the defects of gypsum is difficult to be reduced, the high-reduction furnace, the defects of gypsum is found to be reduced, the high-reduction furnace, the defects of.
Disclosure of Invention
Aiming at the problems of the existing gypsum powder calcining method, the invention provides gypsum powder calcining methods, which can solve the problem of cause of calcined gypsum powder in the reduction process and can realize continuous production, and the specific technical scheme is that the gypsum powder calcining method is realized.
The step 1 is to heat the dihydrate gypsum powder to above 130 ℃, preferably a double-cylinder calcining furnace and a flame thrower furnace are adopted for calcining; the double-barrel calcining furnace has the characteristics of compact and reasonable structure, high heating temperature, high production efficiency, continuous production and convenience for industrial production.
And 3, aging the calcined heat-preserving gypsum powder in a waste heat self-calcining bin body, wherein the aging time is selected according to the components and the temperature of the gypsum powder produced as required in the aging process.
And 4, sending out the aged gypsum powder for cooling, namely cooling the aged gypsum powder by adding additives or ventilating or adding water mist.
The steps are all completed by adopting gypsum powder calcining and calcining equipment.
The gypsum powder calcining equipment is characterized by comprising a calcining furnace and a waste heat self-calcining bin body, wherein the calcining furnace is a double-barrel calcining furnace and comprises an inner barrel, an outer barrel and a flame thrower, the inner barrel is arranged inside the outer barrel and is a columnar thin-wall barrel and is concentrically and fixedly connected with the outer barrel, the outer barrel is arranged on the periphery of the inner barrel, is concentrically and fixedly connected with the inner barrel and is a thin-wall barrel, the end of the outer barrel is open, the end of the outer barrel is closed, the flame thrower is arranged at the end of the outer barrel of the flame thrower, a flame thrower of the flame thrower is aligned with the inner barrel cavity at the end of the outer barrel, a feed port and a discharge port of the outer barrel and the inner barrel are arranged at the end of the outer barrel and are distributed at the positions of the feed port and the discharge port through a wrapping head, a material pushing plate and a poplar plate are arranged on the inner walls of the outer barrel and the inner barrel, the waste heat self-calcining furnace body is arranged near the calcining furnace and is connected with the calcining furnace through a heat-insulating conveyer, the feed port of.
And , the volume of the waste heat self-calcining bin body is the output energy of the gypsum powder produced by the calcining furnace within 5-6 hours.
, the matching number of the residual heat self-calcining bin bodies and the single calcining furnace can ensure that the sum of the aging time of the gypsum powder in the single residual heat self-calcining bin body is less than or equal to the continuous production time of the single calcining furnace when calcining furnaces continuously produce, namely, after the aging time and the volume of each residual heat self-calcining bin body are matched, the gypsum powder produced by calcining furnaces can be loaded into the residual heat self-calcining bin body and has sufficient time for aging.
, the waste heat self-calcining bin body comprises an inner wall, a heat insulation layer, a feeding device, a discharging device and an installation frame, wherein the inner wall is a thin-wall cavity body and is made of metal materials, the heat insulation layer wraps the periphery of the inner wall and can completely cover the periphery of the inner wall, the feeding device is arranged at the upper part of the inner wall and is communicated with the inner cavity of the inner wall, the discharging device is arranged at the lower end of the inner wall and is communicated with the inner cavity of the inner wall, and the installation frame is arranged on the inner wall, is fixedly connected with the inner wall and can support and fixedly install the inner wall.
, the insulating layer is made of heat insulating material.
Further , the insulating layer is preferably made of alumina silicate fiber or asbestos fiber.
, the feeder is provided with a cover which can be opened and closed.
, the discharging device is provided with a cover which can be opened and closed.
, the heat-insulating conveyer is a conveyer belt with heat-insulating unit around it, and a bucket elevator.
Advantageous effects
The method has the advantages of ensuring that the temperature of the gypsum powder entering the cooling and reducing process is , ensuring consistency of product quality and saving energy.
Drawings
FIG. 1 is a schematic view of a calciner
11. The device comprises a flame throwing furnace, 12 parts of a discharge hole, 13 parts of a feed hole, 14 parts of an outer cylinder and 15 parts of an inner cylinder.
FIG. 2 is a schematic structural diagram of a waste heat self-calcining bin body
21. The device comprises a feeding device, 23 an insulating layer, 24 an installation frame and 25 a discharging device.
FIG. 3 is a schematic sectional view of a self-calcining bin body using waste heat
21. The device comprises a feeding device, 22 parts of metal inner walls, 23 parts of heat insulation layers, 24 parts of mounting frames and 25 parts of a discharging device.
FIG. 4 is a schematic structural diagram of embodiments of the present invention
1. The process comprises the steps of a calcining furnace, 2, a waste heat self-calcining bin body, 3, a conveying belt, 4, a conveying and distributing device and 5, a bucket elevator.
Detailed Description
In order to further explain the technical scheme of the invention, the specific implementation mode of the invention is described with reference to the accompanying drawings, as shown in fig. 1-4, in the embodiment, a steel plate is selected as the metal inner wall 22, the steel plate is formed and welded into a thin-walled cavity body, the upper end and the lower end of the thin-walled cavity body are respectively opened, the volume of an inner cavity of the metal inner wall 22 can accommodate 120 tons of gypsum powder according to the density of the gypsum powder, a steel pipe is selected as a feeding pipe of the feeding device 21 at the upper opening of the metal inner wall 22, the end of the feeding pipe is hermetically welded with the periphery of the upper opening of the metal inner wall 22 and surrounds the upper opening, a flange with a connecting hole which is common in the industry is hermetically welded at the upper end of the feeding pipe, a cover matched with the flange is covered on the flange, the cover is connected with the flange by bolts, the flange can open and close the flange hole, the feeding device 21 is formed, the feeding device is selected and welded at the lower opening of the metal inner wall 22 as the discharging device 25, in the embodiment, a tank mounting frame with a tank body with a mounting frame with feet which is welded as the mounting frame 24, the lower part of the metal inner wall 22, the heat insulation material of the heat preservation device is selected and the heat preservation device, the heat preservation device is wrapped on the outer wall 23, the heat preservation device is convenient for measuring part, the temperature measuring part of the aluminum silicate, and the aluminum silicate, the aluminum.
The method comprises the steps of selecting a double-barrel calcining furnace and a fire spraying furnace of the previously applied Chinese patent (application number: 2019104604978) to form the calcining furnace 1 of the present example, taking phosphogypsum as an example in the present example, taking the calcining furnace with the output of 20 tons per hour as an example in the present example, selecting a single residual heat self-calcining bin 2 with the internal volume of 120 tons, arranging a residual heat self-calcining bin body 2 on a , arranging the residual heat self-calcining bin body 2 near the calcining furnace 1, conveying phosphogypsum powder into an outer bin 14 of the calcining furnace 1 from a feed port 13 of the calcining furnace 1, conveying the phosphogypsum powder to an outer bin 14 of the calcining furnace 14 through the action of a stripper plate and a poplar plate, primarily preheating the residual heat self-calcining bin body 14 and moving the tail part of the hopper type bin body 14 through a cone after the residual heat transfer belt, igniting the phosphogypsum by flame, rapidly heating to a residual heat transfer bin body with a temperature of 360 ℃ and conveying the residual heat from a residual heat aging bin body 12 to a residual heat transfer bin body 3 with a thermal insulation material pushing plate, conveying belt 11, conveying the inner wall of the hopper type aging bin body 2, and a thermal aging device, wherein the residual heat transfer from the hopper type thermal insulation and a thermal aging device, wherein the thermal insulation and a thermal aging device is selected from the inner bin body 2, and a thermal aging device, the thermal aging device is adopted from a thermal insulation hopper type thermal aging device, and a thermal insulation hopper type thermal aging device is adopted, wherein the thermal insulation and a thermal insulation hopper type thermal aging device is arranged in a thermal aging device, the thermal aging device is arranged in the thermal aging device, the thermal aging device is arranged in the thermal aging device, the thermal aging device is arranged in the thermal aging device, the thermal aging device arranged in the thermal aging.
Claims (5)
- The waste heat self-calcining bin body is characterized by comprising an inner wall, a heat insulation layer, a feeding device, a discharging device and an installation frame, wherein the inner wall is a thin-wall cavity body and is made of metal materials, the heat insulation layer wraps the periphery of the inner wall and can completely cover the periphery of the inner wall, the feeding device is arranged at the upper part of the inner wall and is communicated with an inner cavity of the inner wall, the discharging device is arranged at the lower end of the inner wall and is communicated with the inner cavity of the inner wall, and the installation frame is arranged on the inner wall, is fixedly connected with the inner wall and can support and fixedly install the inner wall.
- 2. The waste heat self-calcining bin body as claimed in claim 1, wherein the insulating layer is made of heat insulating material.
- 3. The kinds of waste heat self-calcining bin body as claimed in claim 1, wherein the insulating layer is made of aluminum silicate fiber or asbestos fiber.
- 4. The kinds of waste heat self-calcining bin body as claimed in claim 1, wherein the feeding device is provided with a cover capable of opening and closing.
- 5. The kinds of waste heat self-calcining bin body as claimed in claim 1, wherein the discharging device is provided with a cover capable of opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256153.1A CN110734235A (en) | 2019-12-10 | 2019-12-10 | waste heat self-calcining bin body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256153.1A CN110734235A (en) | 2019-12-10 | 2019-12-10 | waste heat self-calcining bin body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110734235A true CN110734235A (en) | 2020-01-31 |
Family
ID=69274537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911256153.1A Pending CN110734235A (en) | 2019-12-10 | 2019-12-10 | waste heat self-calcining bin body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110734235A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718140A (en) * | 2020-07-06 | 2020-09-29 | 郑州三迪建筑科技有限公司 | High-temperature calcination method for semi-hydrated gypsum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1192207A (en) * | 1997-09-12 | 1999-04-06 | Mitsui Chem Inc | Method for manufacturing gypsum sheet board |
| CN102046557A (en) * | 2008-05-09 | 2011-05-04 | 克劳迪亚斯.彼得斯技术有限责任公司 | Method and device for calcinating phosphorous plaster |
| CN204987897U (en) * | 2015-07-09 | 2016-01-20 | 江西稀有金属钨业控股集团有限公司 | Low -grade tail gas waste heat utilization feed bin of small -scale |
| CN109081620A (en) * | 2018-10-08 | 2018-12-25 | 郑州三迪建筑科技有限公司 | A kind of production method of high-temperature calcination industry by-product gypsum |
-
2019
- 2019-12-10 CN CN201911256153.1A patent/CN110734235A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1192207A (en) * | 1997-09-12 | 1999-04-06 | Mitsui Chem Inc | Method for manufacturing gypsum sheet board |
| CN102046557A (en) * | 2008-05-09 | 2011-05-04 | 克劳迪亚斯.彼得斯技术有限责任公司 | Method and device for calcinating phosphorous plaster |
| CN204987897U (en) * | 2015-07-09 | 2016-01-20 | 江西稀有金属钨业控股集团有限公司 | Low -grade tail gas waste heat utilization feed bin of small -scale |
| CN109081620A (en) * | 2018-10-08 | 2018-12-25 | 郑州三迪建筑科技有限公司 | A kind of production method of high-temperature calcination industry by-product gypsum |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718140A (en) * | 2020-07-06 | 2020-09-29 | 郑州三迪建筑科技有限公司 | High-temperature calcination method for semi-hydrated gypsum |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101788227A (en) | Induction heating ultra-high temperature continuous carbonization furnace | |
| CN104004958A (en) | Method and device for continuously preparing vanadium-nitrogen alloy | |
| CN109850901B (en) | Full-automatic push boat type carbonization furnace for producing superfine tungsten carbide powder | |
| CN104311040B (en) | A kind of for preparing the powder of the hard heat-insulated plate of magnesium silicon, the hard heat-insulated plate of magnesium silicon and preparation method thereof | |
| CN110746133A (en) | Gypsum powder calcining method | |
| CN110818299A (en) | Waste heat self-calcining bin body | |
| CN108249934B (en) | Light castable | |
| CN212554375U (en) | Prefabricated block ingredient mixing, vibration forming, curing and demoulding system | |
| CN213631621U (en) | Porous brick waste heat cyclic utilization device | |
| CN110734237A (en) | gesso calcining equipment | |
| CN110255510A (en) | The method of gas heating synthesis manganese systems nitride | |
| CN209456537U (en) | A kind of vertical perpendicular tank magnesium reducing furnace top construction | |
| CN206858445U (en) | A kind of vertical limestone calcination kiln of environment-friendly type | |
| CN211221190U (en) | Refractory material forming device | |
| CN201316548Y (en) | Heat accumulating type high temperature crystallization furnace | |
| CN203432294U (en) | Energy-saving improved wide-cross-section sintered brick tunnel kiln | |
| CN212293336U (en) | Four-hearth shaft kiln for calcining dolomite | |
| CN215209159U (en) | A discontinuous drying furnace for light gypsum that plasters | |
| CN215724998U (en) | Rotary kiln with vacuum composite heat-preservation pre-burning kiln | |
| CN207391289U (en) | A kind of multilayer multiple arch shaft furnace | |
| CN111484344A (en) | Cylindrical refractory castable prefabricated member | |
| CN222718619U (en) | Heat-insulating refractory device for middle part of electric arc furnace | |
| CN205561522U (en) | Cement rotary kiln kiln tail preheater gooseneck prevent blockking up jetting device | |
| CN204594199U (en) | A kind of tunnel cave with accurate dosing device | |
| CN204585512U (en) | A kind of have the tunnel cave automatically regulating output |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200131 |
|
| RJ01 | Rejection of invention patent application after publication |