CN116442378A - Device and method capable of continuously producing phosphogypsum building templates - Google Patents
Device and method capable of continuously producing phosphogypsum building templates Download PDFInfo
- Publication number
- CN116442378A CN116442378A CN202310381306.5A CN202310381306A CN116442378A CN 116442378 A CN116442378 A CN 116442378A CN 202310381306 A CN202310381306 A CN 202310381306A CN 116442378 A CN116442378 A CN 116442378A
- Authority
- CN
- China
- Prior art keywords
- phosphogypsum
- hopper
- belt conveyor
- semi
- support
- 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
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims description 10
- 239000004744 fabric Substances 0.000 claims abstract description 30
- 239000003365 glass fiber Substances 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims description 7
- 235000019362 perlite Nutrition 0.000 claims description 7
- 239000010451 perlite Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
- B28B17/023—Conditioning gypsum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/206—Forcing the material through screens or slots
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Glass Compositions (AREA)
Abstract
The device comprises a first belt conveyor, a first bracket, a second bracket and a first drying cover are sequentially arranged on a first belt conveyor frame along the conveying direction, a glass fiber cylinder is arranged on the first bracket, a cloth pressing roller is arranged on one side of the first bracket, a hopper is arranged on the second bracket, a discharger is arranged in the hopper, a discharge hole is arranged at the lower end of the hopper, glass fiber cloth pulled out from the glass fiber cylinder firstly passes through a gap between the cloth pressing roller and the first belt conveyor and then passes through the hopper discharge hole, and the first drying cover is communicated with a steam header pipe through a plurality of steam branch pipes. The invention can recycle and prepare the phosphogypsum into the building template, reduce the stacking amount of the phosphogypsum and reduce the pollution of the phosphogypsum to the environment.
Description
Technical Field
The invention relates to a device and a method for continuously producing phosphogypsum building templates.
Background
Phosphogypsum is produced in a large amount in the production process of wet phosphoric acid by chemical fertilizers and the like, and is piled up by adopting a slag field for a long time, so that not only a large amount of land is occupied, but also the phosphogypsum is soaked and washed by rainwater for a long time, so that serious pollution to soil, water system and atmosphere is caused, peripheral and downstream areas are influenced, and the ecological environment is seriously influenced, and therefore, enterprises need to develop a method capable of recycling the phosphogypsum.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for continuously producing phosphogypsum building templates, which can recycle phosphogypsum to prepare building templates, prevent phosphogypsum stacking and are environment-friendly.
In order to solve the problems, the technical scheme of the invention is as follows:
the utility model provides a but continuous production phosphogypsum building templates's device, includes first band conveyer, is equipped with first support, second support and first stoving cover in proper order along direction of delivery in first band conveyer frame, is equipped with the fine section of thick bamboo of glass on first support, is equipped with the cloth pressing roller in first support one side, is equipped with the hopper on the second support, be equipped with the tripper in the hopper, the hopper lower extreme is equipped with the discharge gate, and the fine cloth of glass that pulls out from the fine section of thick bamboo of glass passes through earlier and presses the gap between cloth pressing roller and the first band conveyer, again through hopper unloading discharge gate, and first stoving cover communicates with steam manifold through many vapor branch pipes.
The output end of the first belt conveyor is sequentially connected with a second belt conveyor and a roller conveyor, a second drying cover is arranged on the second belt conveyor and is communicated with the steam manifold through a plurality of steam branch pipes, and a flattening roller is arranged at one end of a second belt conveyor frame.
A method of an apparatus for continuously producing phosphogypsum building templates, comprising the steps of:
continuously feeding semi-hydrated phosphogypsum into a hopper, simultaneously starting a first belt conveyor, paving the semi-hydrated phosphogypsum onto glass fiber cloth by a discharger in the hopper, and feeding the glass fiber cloth and the semi-hydrated phosphogypsum into a first drying cover by the first belt conveyor to be heated and solidified for the first time by steam;
secondly, after the semi-hydrated phosphogypsum subjected to primary curing is shaped by a flattening roller, the semi-hydrated phosphogypsum is sent into a second drying cover to be subjected to secondary heating and curing;
thirdly, sending the heated and solidified material into a roller conveyor for cooling and hardening to form a building template;
and fourthly, dividing the building template by workers to form a final finished product.
The processing method of the semi-hydrated phosphogypsum comprises the following steps: calcining phosphogypsum at a temperature of more than 800 ℃, crushing the calcined phosphogypsum, then feeding the crushed phosphogypsum into a stirring tank, adding water and perlite, and stirring the crushed phosphogypsum into semi-hydrated phosphogypsum, wherein the weight ratio of the phosphogypsum, the perlite and the water is 10:1-3:1.
The beneficial effects of the invention are as follows:
1. the waste phosphogypsum is recycled, so that not only is the pollution of the phosphogypsum to the environment reduced, but also the enterprise can be created.
2. The phosphogypsum building template prepared by the invention is added with a certain amount of perlite, so that the phosphogypsum building template has the advantages of light weight, low heat conductivity, good heat insulation performance, good sound absorption, no corrosion, no combustion, good shock resistance, and can be used in the fields of building walls, landscaping, municipal construction and the like, and the application range is wide.
3. The glass fiber cloth is added into the phosphogypsum building template, so that the strength of the phosphogypsum building template is improved, and the phosphogypsum building template is free from cracking and breaking.
4. The phosphogypsum building module can be continuously produced without stopping in the middle, so that the phosphogypsum building module is produced and is pipelined, and the production efficiency is high.
Drawings
The invention is further described with reference to the accompanying drawings:
figure 1 is a schematic perspective view of the present invention,
figure 2 is a schematic diagram of the front view structure of the present invention,
figure 3 is a schematic view of a partially enlarged structure of the present invention,
fig. 4 is a schematic structural diagram of the finished phosphogypsum building template prepared by the invention.
In the figure: the first belt conveyor 1, the first drying hood 2, the steam header 3, the cutting device 4, the cloth pressing roller 6, the hopper 7, the glass fiber drum 8, the second drying hood 9, the second belt conveyor 10, the flattening roller 11, the roller conveyor 12, the steam branch pipe 31, the guide rod 41, the air cylinder 42, the hob plate 43, the roll shaft 44, the cutter 45, the first bracket 51, the second bracket 52, the third bracket 53, the discharger 71 and the discharge hole 72.
Detailed Description
As shown in fig. 1 to 3, a device capable of continuously producing phosphogypsum building templates comprises a first belt conveyor 1, a first bracket 51, a second bracket 52 and a first drying cover 2 are sequentially arranged on a frame of the first belt conveyor 1 along a conveying direction, a glass fiber barrel 8 is arranged on the first bracket 51, a cloth pressing roller 6 is arranged on one side of the first bracket 51, the cloth pressing roller 6 is used for guiding glass fiber cloth pulled out of the glass fiber barrel 8, a hopper 7 is arranged on the second bracket 52, a discharger 71 is arranged in the hopper 7, a discharge hole 72 is arranged at the lower end of the hopper 7, glass fiber cloth pulled out of the glass fiber barrel 8 firstly passes through a gap between the cloth pressing roller 6 and the first belt conveyor 1 and then passes through the discharge hole 72 of the hopper 7, and the first drying cover 2 is communicated with a steam manifold 3 through a plurality of steam branch pipes 31.
A cutting device 4 is arranged between the second bracket 52 and the drying cover, the cutting device 4 comprises a third bracket 53 connected to the frame of the first belt conveyor 1, a roll shaft 44, an air cylinder 42 and a plurality of guide sleeves are arranged on the third bracket 53, a guide rod 41 is arranged in the guide sleeve, a piston rod of the air cylinder 42 and the guide rod 41 are fixedly connected with a cutter 45, and two hob plates 43 are arranged on the roll shaft 44 at intervals. The cutter 45 is driven to move downwards by the first air cylinder 42 according to the set time, a gap of about 1mm is reserved between the cutter 45 and the hob plate 43 which move downwards and the glass fiber cloth, and the phosphogypsum building template is preliminarily partitioned through the cutter 45, so that the cutter is convenient for subsequent workers to cut.
The glass fiber cloth comprises a plastic bottom cloth 15, and a glass fiber net 14 is adhered on the bottom cloth 15. The base fabric 15 prevents phosphogypsum from adhering to the belt surface of the first belt conveyor 1, and the glass fiber net 14 is used for improving the strength of the phosphogypsum building template.
The output end of the first belt conveyor 1 is sequentially connected with a second belt conveyor 10 and a roller conveyor 12, a second drying cover 9 is arranged on the second belt conveyor 10, the second drying cover 9 is communicated with the steam manifold 3 through a plurality of steam branch pipes 31, and a flattening roller 11 is arranged at one end of a frame of the second belt conveyor 10. The flattening roller 11 is used for flattening the phosphogypsum surface, ensuring the phosphogypsum building template surface to be smooth and uniform in thickness.
A method of an apparatus for continuously producing phosphogypsum building templates, comprising the steps of:
firstly, continuously feeding semi-hydrated phosphogypsum into a hopper 7, simultaneously starting a first belt conveyor 1, paving the semi-hydrated phosphogypsum onto glass fiber cloth by a discharger 71 in the hopper 7, enabling the thickness of the semi-hydrated phosphogypsum out of the hopper 7 to be consistent, and then feeding the glass fiber cloth and the semi-hydrated phosphogypsum into a first drying cover 2 by the first belt conveyor 1 to be heated and solidified for the first time by steam, wherein the solidification time is 5-8 minutes;
secondly, shaping the semi-hydrated phosphogypsum after primary curing by a flattening roller 11, and then sending the semi-hydrated phosphogypsum into a second drying cover 9 to be secondarily heated and cured for 15-20 minutes;
thirdly, sending the heated and solidified material into a roller conveyor 12 for cooling and hardening to form a building template;
and fourthly, cutting the building template by a worker by using a cutting machine to form a final finished product.
The processing method of the semi-hydrated phosphogypsum comprises the following steps: calcining phosphogypsum at a temperature of more than 800 ℃, crushing the calcined phosphogypsum, then feeding the crushed phosphogypsum into a stirring tank, adding water and perlite, and stirring the crushed phosphogypsum into semi-hydrated phosphogypsum, wherein the weight ratio of the phosphogypsum, the perlite and the water is 10:2:1.
Claims (6)
1. A device capable of continuously producing phosphogypsum building templates, which is characterized in that: including first band conveyer (1), be equipped with first support (51), second support (52) and first stoving cover (2) in proper order in first band conveyer (1) frame, be equipped with fine section of thick bamboo of glass (8) on first support (51), be equipped with cloth pressing roller (6) on one side of first support (51), be equipped with hopper (7) on second support (52), be equipped with tripper (71) in hopper (7), hopper (7) lower extreme is equipped with discharge gate (72), and the fine cloth of glass that pulls out from fine section of thick bamboo of glass (8) passes through the gap between cloth pressing roller (6) and first band conveyer (1) earlier, rethread hopper (7) unloading discharge gate (72), first stoving cover (2) are through many steam branch pipe (31) and steam house steward (3) intercommunication.
2. A device for continuously producing phosphogypsum building templates according to claim 1, characterized in that: be equipped with cutting device (4) between second support (52) and stoving cover, cutting device (4) are including connecting third support (53) in first band conveyer (1) frame, install roller (44), cylinder (42) and a plurality of guide pin bushing on third support (53), are equipped with guide arm (41) in the guide pin bushing, cylinder (42) piston rod and guide arm (41) and cutter (45) fixed connection, are equipped with two hobbing cutter discs (43) at the interval on roller (44).
3. A device for continuously producing phosphogypsum building templates according to claim 1, characterized in that: the glass fiber cloth comprises a plastic bottom layer cloth (15), and a glass fiber net (14) is adhered to the bottom layer cloth (15).
4. A device for continuously producing phosphogypsum building templates according to any one of claims 1 to 3, characterized in that: the output end of the first belt conveyor (1) is sequentially connected with a second belt conveyor (10) and a roller conveyor (12), a second drying cover (9) is arranged on the second belt conveyor (10), the second drying cover (9) is communicated with the steam manifold (3) through a plurality of steam branch pipes (31), and a flattening roller (11) is arranged at one end of a frame of the second belt conveyor (10).
5. A method of using the apparatus for continuously producing phosphogypsum building templates of claim 4, which comprises: the method comprises the following steps:
continuously feeding semi-hydrated phosphogypsum into a hopper (7), simultaneously starting a first belt conveyor (1), paving the semi-hydrated phosphogypsum onto glass fiber cloth by a discharger (71) in the hopper (7), and feeding the glass fiber cloth and the semi-hydrated phosphogypsum into a first drying cover (2) by the first belt conveyor (1) to be heated and solidified for the first time by steam;
secondly, shaping the semi-hydrated phosphogypsum after primary curing by a flattening roller (11), and then sending the semi-hydrated phosphogypsum into a second drying cover (9) to be secondarily heated and cured;
thirdly, sending the heated and solidified material into a roller conveyor (12) for cooling and hardening to form a building template;
and fourthly, dividing the building template by workers to form a final finished product.
6. The method of the device for continuously producing phosphogypsum building templates according to claim 5, which is characterized in that: the processing method of the semi-hydrated phosphogypsum comprises the following steps: calcining phosphogypsum at a temperature of more than 800 ℃, crushing the calcined phosphogypsum, then feeding the crushed phosphogypsum into a stirring tank, adding water and perlite, and stirring the crushed phosphogypsum into semi-hydrated phosphogypsum, wherein the weight ratio of the phosphogypsum, the perlite and the water is 10:1-3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310381306.5A CN116442378A (en) | 2023-04-11 | 2023-04-11 | Device and method capable of continuously producing phosphogypsum building templates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310381306.5A CN116442378A (en) | 2023-04-11 | 2023-04-11 | Device and method capable of continuously producing phosphogypsum building templates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116442378A true CN116442378A (en) | 2023-07-18 |
Family
ID=87127091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310381306.5A Pending CN116442378A (en) | 2023-04-11 | 2023-04-11 | Device and method capable of continuously producing phosphogypsum building templates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116442378A (en) |
-
2023
- 2023-04-11 CN CN202310381306.5A patent/CN116442378A/en active Pending
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