CN112694077A - Method for producing polymerized phosphate - Google Patents
Method for producing polymerized phosphate Download PDFInfo
- Publication number
- CN112694077A CN112694077A CN202011607076.2A CN202011607076A CN112694077A CN 112694077 A CN112694077 A CN 112694077A CN 202011607076 A CN202011607076 A CN 202011607076A CN 112694077 A CN112694077 A CN 112694077A
- Authority
- CN
- China
- Prior art keywords
- polymerization reactor
- temperature
- belt conveying
- crusher
- shell
- 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
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 39
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims abstract description 36
- 239000010452 phosphate Substances 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 37
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000004806 packaging method and process Methods 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 12
- 239000011344 liquid material Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000007790 scraping Methods 0.000 claims abstract description 6
- 238000007711 solidification Methods 0.000 claims abstract description 6
- 230000008023 solidification Effects 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 235000021317 phosphate Nutrition 0.000 description 25
- 235000019832 sodium triphosphate Nutrition 0.000 description 8
- 239000003365 glass fiber Substances 0.000 description 6
- 239000004114 Ammonium polyphosphate Substances 0.000 description 5
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 5
- 229920001276 ammonium polyphosphate Polymers 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000004696 Poly ether ether ketone Substances 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- 229920002530 polyetherether ketone Polymers 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 4
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- -1 tripolyphosphate ions Chemical class 0.000 description 3
- 229920000388 Polyphosphate Polymers 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 239000001205 polyphosphate Substances 0.000 description 2
- 235000011176 polyphosphates Nutrition 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 101710194948 Protein phosphatase PhpP Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000010210 aluminium Nutrition 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/39—Condensed phosphates of alkali metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/44—Metaphosphates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a method for producing polymerized phosphate, which comprises a production system with the following structure, wherein the production system comprises a premixer, a polymerization reactor, a distributing device, a cutting device, a crusher, a conveyor and a packaging machine; the preparation process comprises the following steps: step 1: uniformly mixing the raw materials and the additives in a premixer according to a proportion; step 2: uniformly spraying the liquid material obtained after uniform mixing in the pre-mixer on a belt conveying component of the polymerization reactor through a material distribution device, and allowing the liquid material to enter a high-temperature zone in the polymerization reactor to react for 0.5-2h under the action of the belt conveying component; then entering a low-temperature area in a polymerization reactor for cooling to finish the solidification process of the polymer; and step 3: and scraping the solidified and cooled polymerized phosphate off by a cutting device, and crushing the scraped polymerized phosphate in a crusher. The method is mainly used for rapidly and continuously preparing the polymerized phosphate and has the advantages of high automation degree and high production efficiency.
Description
Technical Field
The invention relates to the technical field of polymerized phosphate production, in particular to a production method and a production system of polymerized phosphate.
Background
The polymeric phosphate includes sodium tripolyphosphate, potassium tripolyphosphate, ammonium polyphosphate, aluminum tripolyphosphate, polymeric aluminum phosphate (condensed aluminum phosphate), and the like.
Sodium tripolyphosphate (abbreviated as STPP) is commonly called pentasodium, and is a type of amorphous waterSoluble linear polyphosphate salt with Na on both ends2PO4Terminated, chemical formula Na5P3O10The industrial grade can be used as a main auxiliary agent of a synthetic detergent, an industrial water softener, a tanning pretanning agent and the like, and the food grade can be used as a food additive for food processing, a water retention agent, a quality modifier, a pH regulator and a metal chelating agent; the molecular formula of the potassium tripolyphosphate is K5P3O10The plant nutrient suspension has the functions of suspending, dispersing, peptizing and emulsifying soil and oil, can be used for soil improvement and oil emulsification, can adjust the pH value in a wide range, can be used as a buffering agent of a liquid detergent, and is also a high-efficiency plant nutrient; ammonium polyphosphate (APP) is a polyphosphate containing N and P, and is classified into oligo-poly, medium poly, and high poly 3 according to its polymerization degree, and the higher the polymerization degree, the smaller the water solubility. The molecular general formula of the ammonium polyphosphate is (NH)4)n+2PnO3n+1When n is less than or equal to 20, the water-soluble film is water-soluble, and when n is less than or equal to 20>When 20 hours, the water-insoluble long-chain ammonium polyphosphate with high polymerization degree is insoluble and can be used for preparing fireproof paint and flame-retardant plastic, and the water-soluble product with low polymerization degree can be used for high-concentration slow-release compound fertilizer or liquid fertilizer; the molecular formula of the aluminum tripolyphosphate is AlH2P3O10·2H20, the tripolyphosphate ions in the coating have stronger chelating force with various metal ions, an excellent passive film is formed on the surface of the coated object, and the coating has extremely strong inhibition effect on corrosion of steel, light metal and the like, and is particularly suitable for nontoxic light-colored antirust paint; the polymerized aluminum phosphate is mainly used as a curing agent and a binder in the fields of inorganic adhesives, coatings, inorganic building materials, ceramics, inorganic molding materials and the like.
The use of polymeric phosphates in daily life is very common, however, the prior art lacks a corresponding preparation system and a preparation method, and the production system of the present invention can be generally applied to the production of all the above polymeric phosphates.
Disclosure of Invention
The invention aims to provide a method for producing polymerized phosphate, which is mainly used for rapidly preparing the polymerized phosphate and has the advantages of high automation degree and high production efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a production system of polymerized phosphate comprises a premixer, a polymerization reactor, a material distribution device, a cutting device, a crusher, a conveyor and a packaging machine, wherein the outlet of the premixer is connected with the material distribution device through a feeding pump, the polymerization reactor comprises a shell, a high-temperature region and a low-temperature region which are arranged in the shell and a belt conveying assembly which is arranged in the shell, a heat-insulating partition plate is arranged in the shell and divides the shell into two parts, one part is the high-temperature region, the other end is the low-temperature region, a heating assembly is arranged in the high-temperature region, and a cooling assembly is arranged in the low-temperature region; the material distribution device is positioned above the belt conveying component of the polymerization reactor; the cutting device is arranged at the tail end of the belt conveying component and is used for scraping the solidified polymerized phosphate off the belt conveying component; the crusher is arranged below the cutting device and used for crushing scraped polymerized phosphate, the discharge port of the crusher is connected with a hopper through the conveyor, and the packaging machine is arranged at the discharge port of the hopper.
Further preferably, the premixer is a static mixer of SMX type, SMV type, SD type or SK type.
Wherein, the distributing device is a swinging distributing device.
The heating assembly comprises a plurality of U-shaped radiant heating pipes which are arranged in the high-temperature area and take natural gas as fuel, and a plurality of heat transfer fins are arranged on the U-shaped radiant heating pipes at intervals.
Further optimized, the U-shaped radiant heating pipes are arranged on the left side wall and the right side wall of the shell in the high-temperature area, and the distance between the adjacent U-shaped radiant heating pipes on the same side is 1-2 m.
Further optimize, heating element still includes the setting at the circulating axial fan of high temperature district both sides.
The cooling assembly comprises a condenser, a rotary dehumidifier and an induced draft fan, the induced draft fan is arranged at the top of the shell, the condenser is connected with the rotary dehumidifier, and the rotary dehumidifier is connected with the induced draft fan; a first circulating axial flow fan is arranged on one side surface in the low-temperature area.
Wherein, the pulverizer is a hammer JF type pulverizer.
Further defined, the conveyor is a scraper conveyor.
The belt conveying assemblies are multiple, each belt conveying assembly comprises a conveying belt, a first driving wheel and a second driving wheel, and the conveying belts are wound on the first driving wheels and the second driving wheels; the plurality of belt conveying assemblies are sequentially arranged from top to bottom; the feed end of the latter belt conveying component exceeds the feed end of the former belt conveying component by 20-30 cm; the material distribution device is connected with a driving device, and the driving device is used for driving the material distribution device to move upwards, downwards, leftwards and rightwards; each belt conveying assembly corresponds to one cutting device.
The belt in the belt conveying component is formed by compounding one or more of Polytetrafluoroethylene (PTFE), polyether ether ketone (PEEK), Polyimide (PI) and glass fiber.
Wherein, when the glass fiber is adopted for compounding, the adding amount of the glass fiber is 10 to 40 percent.
In addition, the invention also discloses a production method for preparing the polymerized phosphate by using the production system, which comprises the following specific steps:
step 1: uniformly mixing the raw materials and the additives in a premixer according to a proportion;
step 2: uniformly spraying the liquid material obtained after uniform mixing in the pre-mixer on a belt conveying component of the polymerization reactor through a material distribution device, and allowing the liquid material to enter a high-temperature zone in the polymerization reactor to react for 0.5-2h under the action of the belt conveying component; then entering a low-temperature area in a polymerization reactor for cooling to finish the solidification process of the polymer;
and step 3: scraping the solidified and cooled polymerized phosphate off by a cutting device, and crushing the scraped polymerized phosphate in a crusher;
and 4, step 4: and (4) feeding the crushed polymerized phosphate into a packaging machine for packaging.
Further optimizing, wherein the temperature in the high-temperature area is 100-400 ℃; the temperature of the low-temperature zone is 20-90 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention mainly comprises a premixer, a polymerization reactor, a distributing device, a cutting device, a crusher, a conveyor and a packaging machine, wherein raw materials are put into the premixer for mixing, then liquid materials in the premixer are uniformly sprayed on a belt conveying component in the polymerization reactor under the action of a feed pump and the distributing device, the liquid materials firstly enter a high-temperature region of the polymerization reactor for polycondensation reaction under the action of the belt conveying component, then the liquid materials are cooled and solidified in a low-temperature region of the polymerization reactor, products after cooling and solidification are scraped off from the belt conveying component under the action of the cutting device, the products after falling off are conveyed to the crusher for crushing under the action of the conveyor, and then crushed polymerized phosphate is conveyed to a hopper for temporary storage through the conveyor, and the packaging machine is used for packaging the products; can realize the automated production to the product, it has the advantage that degree of automation is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of the overall structure of the production system of the present invention.
FIG. 2 is a schematic view of the overall structure of the polymerization reactor of the present invention.
Fig. 3 is a schematic view of the overall structure of the driving device according to the present invention.
Reference numerals: 1-a premixer, 2-a polymerization reactor, 3-a material distribution device, 4-a cutting device, 5-a pulverizer, 6-a conveyor, 7-a packaging machine, 8-a feeding pump, 9-a shell, 10-a heat insulation partition board, 11-a high temperature region, 12-a low temperature region, 13-a heating component, 14-a cooling component, 15-a belt conveying component, 16-U-shaped radiant heating pipes, 17-heat transfer fins, 18-a circulating axial flow fan, 19-a condenser, 20-a rotary dehumidifier, 21-an induced draft fan, 22-a conveyor belt, 23-a first transmission wheel, 24-a second transmission wheel, 25-a driving device, 26-a transverse driving component, 27-a vertical driving component, 28-a support and 29-a lead screw, 30-slide block, 31-guide rod, 32-motor, 33-cylinder and 34-hopper.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Example one
Referring to fig. 1-3, the invention discloses a polymerized phosphate production system, which comprises a premixer 1, a polymerization reactor 2, a distributing device 3, a cutting device 4, a pulverizer 5, a conveyor 6 and a packing machine 7, wherein the outlet of the premixer 1 is connected with the distributing device 3 through a feed pump 8, the polymerization reactor 2 comprises a shell 9, a high-temperature area 11 and a low-temperature area 12 which are arranged in the shell 9 and a belt conveying assembly 15 which is arranged in the shell 9, a heat-insulating partition plate 10 is arranged in the shell 9, the shell 9 is divided into two parts by the heat-insulating partition plate 10, one part is the high-temperature area 11, the other end is the low-temperature area 12, a heating assembly 13 is arranged in the high-temperature area 11, and a cooling assembly 14 is arranged in the low-temperature area; the distributing device 3 is positioned above the belt conveying assembly 15 of the polymerization reactor 2; the cutting device 4 is arranged at the tail end of the belt conveying component 15 and is used for scraping the solidified polymerized phosphate off the belt conveying component 15; the crusher 5 is arranged below the cutting device 4 and is used for crushing scraped polymerized phosphate, the discharge hole of the crusher 5 is connected with a hopper 34 through a conveyor 6, and the packaging machine 7 is arranged at the discharge hole of the hopper 34.
The invention mainly comprises a premixer 1, a polymerization reactor 2, a distributing device 3, a cutting device 4, a crusher 5, a conveyor 6 and a packing machine 7, wherein raw materials are put into the premixer 1 for mixing, then under the action of a feed pump 8 and the distributing device 3, liquid materials in the premixer 1 are uniformly sprayed on a belt conveying component 15 in the polymerization reactor 2, firstly enter a high-temperature zone 11 of the polymerization reactor 2 for polycondensation reaction under the action of the belt conveying component 15, then are cooled and solidified in a low-temperature zone 12 of the polymerization reactor 2, products after cooling and solidification are scraped off from the belt conveying component 15 under the action of the cutting device 4, the products after being separated are conveyed to the crusher 5 for crushing under the action of the conveyor 6, and then crushed polymerized phosphate is conveyed to a hopper 34 for temporary storage through the conveyor 6, and packaging the product by using a packaging machine 7; can realize the automated production to the product, it has the advantage that degree of automation is high.
Wherein, the premixer 1 is an SD type static mixer; the materials can be mixed more uniformly.
In actual use, the premixer may also be a static mixer of the SMX, SMV, or SK type.
Further optimize, in this embodiment, distributing device 3 is the swing distributing device, and thickness is more even when making it spray on belt conveyor assembly 15 flatly like this for the product quality that forms after the reaction is more unified.
The heating assembly 13 comprises a plurality of U-shaped radiant heating pipes 16 which are arranged in the high-temperature area 11 and take natural gas as fuel, and a plurality of heat transfer fins 17 are arranged on the U-shaped radiant heating pipes 16 at intervals; in practical use, natural gas is used as fuel, and a continuous control mode is used to ensure that the surface temperature of the U-shaped radiant-heating pipe 16 is uniform, and meanwhile, the emission of smoke is reduced.
Further optimized, the U-shaped radiant heating pipes 16 are arranged on the left side wall and the right side wall of the shell 9 in the high-temperature area 11, and the distance between the adjacent U-shaped radiant heating pipes 16 on the same side is 1-2 m; this arrangement can improve the heat transfer efficiency.
Further optimized, the heating assembly 13 further comprises circulating axial flow fans 18 arranged at two sides of the high-temperature area 11; therefore, in actual use, the temperature distribution of hot air in the high-temperature region 11 can be more uniform through the arranged circulating axial flow fan 18, so that the heating effect of the material is better, and the normal reaction of the material is ensured.
The cooling assembly 14 comprises a condenser 19, a rotary dehumidifier 20 and an induced draft fan 21, the induced draft fan 21 is arranged at the top of the shell 9, the condenser 19 is connected with the rotary dehumidifier 20, and the rotary dehumidifier 20 is connected with the induced draft fan 21; a first circulating axial flow fan 18 is provided on one side surface in the low temperature region 12.
Thus, the materials are cooled and solidified in the low-temperature area 12 by adopting air, the outside air enters the rotary dehumidifier 20 after passing through the condenser 19, the dehumidified outside air enters the low-temperature cooling section of the polymerization reactor 2, and the humidity of the air is controlled below 12 percent after being dehumidified by the rotary. Meanwhile, an axial flow circulating fan is arranged on one side surface of the low-temperature area 12, so that the cold air is uniformly distributed.
Wherein the pulverizer 5 is a hammer type JF pulverizer 5.
Wherein the conveyor 6 is a scraper conveyor 6.
Example two
The embodiment is further optimized on the basis of the first embodiment, in the embodiment, a plurality of belt conveying assemblies 15 are provided, each belt conveying assembly 15 comprises a conveying belt 22, a first driving wheel 23 and a second driving wheel 24, and the conveying belt 22 is wound on the first driving wheel 23 and the second driving wheel 24; the belt conveying assemblies 15 are sequentially arranged from top to bottom; the feed end of the latter belt conveying component 15 exceeds the feed end of the former belt conveying component 15 by 20-30 cm; the distributing device 3 is connected with a driving device 25, and the driving device 25 is used for driving the distributing device 3 to move upwards, downwards, leftwards and rightwards; one for each belt conveyor assembly 15, and one for each cutting device 4.
Wherein, the driving device 25 comprises a transverse driving assembly 26 and a vertical driving assembly 27 arranged on the transverse driving assembly 26, and the material distribution device 3 is arranged on the vertical driving assembly;
the transverse driving assembly 26 is used for driving the vertical driving assembly 27 and the distributing device 3 to move left and right; the vertical driving component 27 is used for driving the material distribution device 3 to move up and down.
The specific structure of the transverse driving assembly 26 is further described as follows:
the transverse driving assembly 26 comprises a bracket 28, a lead screw 29 mounted on the bracket 28, and a slider 30 slidably disposed on the lead screw 29, wherein a guide hole is formed in the slider 30, a guide rod 31 is arranged on the bracket 28, the guide hole and the guide rod 31 are matched with each other, a motor 32 is mounted on the bracket 28, and the motor 32 is connected with the lead screw 29.
The vertical driving assembly 27 comprises an air cylinder 33 and an air pump connected with the air cylinder 33, the movable end of the air cylinder 33 is connected with the distributing device 3, and the fixed end of the air cylinder 33 is fixedly mounted on the sliding block 30.
Therefore, in actual use, the position of the material distribution device 3 can be adjusted through the transverse driving assembly 26 and the vertical driving assembly 27, and then the purpose of distributing materials for different belt conveying assemblies 15 is achieved, so that the synthesis efficiency of polymerized phosphate can be effectively improved.
The belt in the belt conveying assembly 15 is made of one or more of Polytetrafluoroethylene (PTFE), Polyetheretherketone (PEEK), Polyimide (PI), and glass fiber.
Further optimization, when the glass fiber is adopted for compounding, the adding amount of the glass fiber is 10-40%.
EXAMPLE III
This example discloses a method for producing a polymerized phosphate, comprising the steps of:
step 1: uniformly mixing the raw materials and the additives in a premixer 1 according to a proportion;
step 2: uniformly spraying the liquid material obtained after uniform mixing in the pre-mixer 1 on a belt conveying component 15 of the polymerization reactor 2 through a material distribution device 3, and enabling the liquid material to enter a high-temperature zone 11 in the polymerization reactor 2 to react for 0.5 to 2 hours under the action of the belt conveying component 15; then entering a low-temperature zone 12 in the polymerization reactor 2 for cooling to finish the solidification process of the polymer;
and step 3: the solidified and cooled polymerized phosphate is scraped off by a cutting device 4, and the scraped polymerized phosphate enters a crusher 5 for crushing;
and 4, step 4: the crushed polymeric phosphate enters a packaging machine 7 for packaging.
Further optimization, the temperature in the high-temperature area 11 is 100-400 ℃; the temperature of the low-temperature zone 12 is 20-90 ℃; further limiting, in the present embodiment, the temperature in the high temperature zone 11 is 300 ℃; the low temperature zone 12 is at a temperature of 70 ℃.
In the actual production process, the procedures of crushing, conveying and packaging are arranged in a relatively closed independent workshop, a rotary dehumidifier 20 is installed in the workshop, and the air humidity is controlled to be below 20%.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A method for producing a polymerized phosphate, characterized by: the production system comprises a premixer, a polymerization reactor, a material distribution device, a cutting device, a crusher, a conveyor and a packaging machine, wherein an outlet of the premixer is connected with the material distribution device through a feed pump, the polymerization reactor comprises a shell, a high-temperature region and a low-temperature region which are arranged in the shell and a belt conveying assembly which is arranged in the shell, a heat-insulating partition plate is arranged in the shell and divides the shell into two parts, one part is the high-temperature region, the other end is the low-temperature region, a heating assembly is arranged in the high-temperature region, and a cooling assembly is arranged in the low-temperature region; the material distribution device is positioned above the belt conveying component of the polymerization reactor; the cutting device is arranged at the tail end of the belt conveying component and is used for scraping the solidified polymerized phosphate off the belt conveying component; the crusher is arranged below the cutting device and is used for crushing scraped polymeric phosphate, a discharge port of the crusher is connected with a hopper through the conveyor, and the packaging machine is arranged at the discharge port of the hopper;
the preparation process comprises the following steps:
step 1: uniformly mixing the raw materials and the additives in a premixer according to a proportion;
step 2: uniformly spraying the liquid material obtained after uniform mixing in the pre-mixer on a belt conveying component of the polymerization reactor through a material distribution device, and allowing the liquid material to enter a high-temperature zone in the polymerization reactor to react for 0.5-2h under the action of the belt conveying component; then entering a low-temperature area in a polymerization reactor for cooling to finish the solidification process of the polymer;
and step 3: scraping the solidified and cooled polymerized phosphate off by a cutting device, and crushing the scraped polymerized phosphate in a crusher;
and 4, step 4: and (4) feeding the crushed polymerized phosphate into a packaging machine for packaging.
2. The method of claim 1, wherein: the temperature in the high-temperature area is 100-400 ℃; the temperature of the low-temperature zone is 20-90 ℃.
3. A method of producing a polymeric phosphate according to claim 2, wherein: the heating assembly comprises a plurality of U-shaped radiant heating pipes which are arranged in the high-temperature area and take natural gas as fuel, and a plurality of heat transfer fins are arranged on the U-shaped radiant heating pipes at intervals.
4. A method of producing a polymeric phosphate according to claim 3, wherein: the U-shaped radiant heating pipes are arranged on the left side wall and the right side wall of the shell in the high-temperature area, and the distance between the adjacent U-shaped radiant heating pipes on the same side is 1-2 m.
5. The method of claim 1, wherein: the cooling assembly comprises a condenser, a rotary dehumidifier and an induced draft fan, the induced draft fan is arranged at the top of the shell, the condenser is connected with the rotary dehumidifier, and the rotary dehumidifier is connected with the induced draft fan; a first circulating axial flow fan is arranged on one side surface in the low-temperature area.
6. The method of claim 1, wherein: the crusher is a hammer type JF crusher.
7. The method of claim 1, wherein: the conveyor is a scraper conveyor.
8. The method of claim 1, wherein: the premixer is a static mixer of SMX type, SMV type, SD type or SK type.
9. The method of claim 1, wherein: the distributing device is a swinging distributing device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607076.2A CN112694077A (en) | 2020-12-28 | 2020-12-28 | Method for producing polymerized phosphate |
| PCT/CN2021/132241 WO2022142860A1 (en) | 2020-12-28 | 2021-11-23 | Method for producing polyphosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607076.2A CN112694077A (en) | 2020-12-28 | 2020-12-28 | Method for producing polymerized phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112694077A true CN112694077A (en) | 2021-04-23 |
Family
ID=75512386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607076.2A Pending CN112694077A (en) | 2020-12-28 | 2020-12-28 | Method for producing polymerized phosphate |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112694077A (en) |
| WO (1) | WO2022142860A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249309A (en) * | 2021-12-30 | 2022-03-29 | 瓮福达州化工有限责任公司 | Preparation system and process of high-hygroscopicity polymerized phosphate |
| WO2022142860A1 (en) * | 2020-12-28 | 2022-07-07 | 瓮福（集团）有限责任公司 | Method for producing polyphosphate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090109291A (en) * | 2008-04-15 | 2009-10-20 | (주) 대덕화학 | Coating structure or coating method of pulley for belt conveyor |
| US8216972B1 (en) * | 2005-02-04 | 2012-07-10 | Plant Food Systems, Inc. | Acid combination one step reaction process for agricultural use products and associated methods |
| CN106865517A (en) * | 2017-03-31 | 2017-06-20 | 三峡大学 | A kind of method and device that water-soluble poly ammonium phosphate is prepared by phosphoric acid by wet process |
| CN107176597A (en) * | 2017-06-30 | 2017-09-19 | 上海化工研究院有限公司 | A kind of continuous producing method of granular water-soluble poly ammonium phosphate |
| CN107311700A (en) * | 2017-06-30 | 2017-11-03 | 上海化工研究院有限公司 | A kind of continuous production device of granular Quadrafos fertilizer |
| CN108395071A (en) * | 2018-03-28 | 2018-08-14 | 南安易盾格商贸有限公司 | A kind of sludge of sewage treatment plant filter-pressing device |
| CN209254471U (en) * | 2018-10-17 | 2019-08-16 | 浙江德创环保科技股份有限公司 | A kind of cement flue gas denitrification system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4174376A (en) * | 1977-11-29 | 1979-11-13 | Royster Company | Process for manufacturing potassium polyphosphate |
| CN105621381A (en) * | 2015-12-28 | 2016-06-01 | 川恒生态科技有限公司 | Method for producing full water-soluble solid ammonium polyphosphate from phosphoric acid by wet process |
| CN105858633A (en) * | 2016-06-22 | 2016-08-17 | 云南云天化以化磷业研究技术有限公司 | Production method for preparing water-soluble ammonium polyphosphate by using wet-process purified phosphoric acid |
| CN112694077A (en) * | 2020-12-28 | 2021-04-23 | 瓮福（集团）有限责任公司 | Method for producing polymerized phosphate |
| CN214598718U (en) * | 2020-12-28 | 2021-11-05 | 瓮福达州化工有限责任公司 | Controllable ammonium polyphosphate preparation facilities of nutrient |
| CN214141592U (en) * | 2020-12-28 | 2021-09-07 | 瓮福（集团）有限责任公司 | Production system of polymerized phosphate |
-
2020
- 2020-12-28 CN CN202011607076.2A patent/CN112694077A/en active Pending
-
2021
- 2021-11-23 WO PCT/CN2021/132241 patent/WO2022142860A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8216972B1 (en) * | 2005-02-04 | 2012-07-10 | Plant Food Systems, Inc. | Acid combination one step reaction process for agricultural use products and associated methods |
| KR20090109291A (en) * | 2008-04-15 | 2009-10-20 | (주) 대덕화학 | Coating structure or coating method of pulley for belt conveyor |
| CN106865517A (en) * | 2017-03-31 | 2017-06-20 | 三峡大学 | A kind of method and device that water-soluble poly ammonium phosphate is prepared by phosphoric acid by wet process |
| CN107176597A (en) * | 2017-06-30 | 2017-09-19 | 上海化工研究院有限公司 | A kind of continuous producing method of granular water-soluble poly ammonium phosphate |
| CN107311700A (en) * | 2017-06-30 | 2017-11-03 | 上海化工研究院有限公司 | A kind of continuous production device of granular Quadrafos fertilizer |
| CN108395071A (en) * | 2018-03-28 | 2018-08-14 | 南安易盾格商贸有限公司 | A kind of sludge of sewage treatment plant filter-pressing device |
| CN209254471U (en) * | 2018-10-17 | 2019-08-16 | 浙江德创环保科技股份有限公司 | A kind of cement flue gas denitrification system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022142860A1 (en) * | 2020-12-28 | 2022-07-07 | 瓮福（集团）有限责任公司 | Method for producing polyphosphate |
| CN114249309A (en) * | 2021-12-30 | 2022-03-29 | 瓮福达州化工有限责任公司 | Preparation system and process of high-hygroscopicity polymerized phosphate |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022142860A1 (en) | 2022-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214141592U (en) | Production system of polymerized phosphate | |
| CN112694077A (en) | Method for producing polymerized phosphate | |
| CN107176597B (en) | Continuous production method of powder water-soluble ammonium polyphosphate | |
| CN102633553B (en) | Method for producing high-tower ammonium phosphate compound fertilizer | |
| CN103936524B (en) | A kind of production method of urea aldehyde slow-release compound fertilizer | |
| CN107311700B (en) | Continuous production device for powder-particle polyphosphate fertilizer | |
| US3705794A (en) | Foamed fertilizers and combination products | |
| CN102300834A (en) | Sulphur-containing fertilizers and process for the preparation thereof | |
| CN102838771B (en) | Preparation method of halogen-free environmental-friendly synergistic flame retardant phenolic foam composite material | |
| CN111187110A (en) | Clear liquid type urine-based particle water-soluble fertilizer and preparation method thereof | |
| CN114849632A (en) | Industrial continuous simplified preparation equipment and method for urea formaldehyde accurate-release nitrogen fertilizer or urea formaldehyde-based slow-release multi-nutrient fertilizer | |
| CN111232946A (en) | Method for preparing ammonium potassium polyphosphate from acid potassium dihydrogen phosphate | |
| CN105439299A (en) | Method for preparing hyperbranched polyethyleneimine copolymer water treatment agent and application of hyperbranched polyethyleneimine copolymer water treatment agent | |
| CN103274813A (en) | Composite fertilizer specially used for corns | |
| CN106696117B (en) | A kind of inexpensive prilling of nylon 6 and dual-screw pelletizer | |
| CN114249309A (en) | Preparation system and process of high-hygroscopicity polymerized phosphate | |
| CN103524274B (en) | Method for producing cooling-free compound fertilizer | |
| US3527592A (en) | Process for manufacturing granular fertilizer | |
| RU2805234C1 (en) | Method for producing complex phosphorus-comprising granulated fertilizers | |
| CN210906035U (en) | Cooling device for sectional cooling and fertilizer making device | |
| CN104774073A (en) | Composite fertilizer additive and preparation method thereof | |
| CN113563580B (en) | Method for improving molecular weight of copolyamide and product thereof | |
| MX2014015472A (en) | Continuous process for manufacturing freely flowing solid acidic p/k fertilizer. | |
| CN210620638U (en) | Cooling system of compound fertilizer of nitrophosphate fertilizer | |
| CN220485580U (en) | Production system of sulfur-based compound fertilizer |
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 |