CN113681753A - Polyacrylamide double-screw granulator - Google Patents

Polyacrylamide double-screw granulator Download PDF

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Publication number
CN113681753A
CN113681753A CN202111070774.8A CN202111070774A CN113681753A CN 113681753 A CN113681753 A CN 113681753A CN 202111070774 A CN202111070774 A CN 202111070774A CN 113681753 A CN113681753 A CN 113681753A
Authority
CN
China
Prior art keywords
polyacrylamide
screw
twin
drying device
base
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
Application number
CN202111070774.8A
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Chinese (zh)
Inventor
彭益云
杜翠翠
李慧晓
毕学敏
李峰
刘世沛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Yiqun Environmental Protection Technology Co ltd
Original Assignee
Henan Yiqun Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Yiqun Environmental Protection Technology Co ltd filed Critical Henan Yiqun Environmental Protection Technology Co ltd
Priority to CN202111070774.8A priority Critical patent/CN113681753A/en
Publication of CN113681753A publication Critical patent/CN113681753A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
    • B29B13/045—Conditioning or physical treatment of the material to be shaped by cooling of powders or pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention provides a polyacrylamide twin-screw granulator, which belongs to the technical field of polyacrylamide granulation equipment and comprises a base, wherein one side of the upper end of the base is provided with a drying device for drying polyacrylamide particles, a granulation device for granulating polyacrylamide is arranged above the drying device, one side of the drying device is provided with a cooling system for cooling, and the granulation device, the drying device and the cooling system are all arranged on a rack above the base; the invention adopts an integrated design, reasonably combines the steps of granulation, drying, cooling and the like, not only effectively improves the production efficiency, reduces the workload of manual operation, realizes unmanned operation, but also reduces the dosage of the dispersing agent, and tests show that the granulation and the drying can still achieve the same effect as before under the condition of reducing the dosage of the dispersing agent by 30 percent, thereby saving the dosage of the dispersing agent and reducing the production cost.

Description

Polyacrylamide double-screw granulator
Technical Field
The invention relates to the technical field of polyacrylamide granulation equipment, in particular to a polyacrylamide double-screw granulator.
Background
Polyacrylamide (PAM) is a linear high molecular polymer with the chemical formula (C3H5NO) n. The product is hard glass state solid at normal temperature, and the product comprises glue solution, latex, white powder, semitransparent beads, flakes and the like. The thermal stability is good. Can be dissolved in water in any proportion, and the water solution is uniform and transparent liquid. The viscosity of the solution decreases after long-term storage due to slow degradation of the polymer, especially under poor storage and transportation conditions. The polyacrylamide is used as a lubricant, a suspending agent, a clay stabilizer, an oil displacement agent, a fluid loss agent and a thickening agent, is widely applied to well drilling, acidification, fracturing, water plugging, well cementation, secondary oil recovery and tertiary oil recovery, and is an extremely important oilfield chemical.
Colloidal polyacrylamide with water content of seventy percent to seventy-five percent, the colloid is bonded again within ten days after secondary granulation, so if subsequent processing and dissolution are carried out, crushing, shearing, extruding and granulation are carried out, during granulation, in order to prevent adhesion among polyacrylamide particles, a dispersing agent is required to be sprayed during granulation, the using amount of the dispersing agent is generally 5% of the mass of a master batch, the colloidal polyacrylamide forming the particles needs to be conveyed to drying equipment for drying, in order to prevent the influence of adhesion of partial colloidal polyacrylamide particles on subsequent drying caused by volatilization of the dispersing agent in the transportation process, the using amount of the dispersing agent is generally higher than 5%, the consumption of the dispersing agent is increased, and the production cost is increased.
Disclosure of Invention
In view of the above, the invention provides a polyacrylamide twin-screw granulator, which not only reduces the production cost, but also reduces the workload of manual operation by adopting an integrated design.
In order to solve the technical problem, the invention provides a polyacrylamide twin-screw granulator which comprises a base, wherein a drying device used for drying polyacrylamide particles is arranged on one side of the upper end of the base, a granulating device used for granulating polyacrylamide is arranged above the drying device, a cooling system used for cooling is arranged on one side of the drying device, and the granulating device, the drying device and the cooling system are all arranged on a rack above the base.
Further, the prilling granulator includes the granulation machine case, granulation machine case upper end fixedly connected with feeder hopper, granulation machine incasement portion rotates and is connected with two and pushes away the material screw rod, it is connected with the screw motor transmission of fixed mounting in granulation machine case outside to push away the material screw rod, granulation machine incasement portion keeps away from screw motor one side fixed mounting has the prilling plate, one side that the prilling plate kept away from and pushes away the material screw rod is equipped with the cutter of being connected with granulation machine case rotation, the cutter is connected with the cutting motor transmission of fixed mounting in granulation machine case outside, granulation machine incasement portion top fixed mounting has the shower nozzle, granulation machine case below corresponds the position with the cutter and installs out the hopper.
Furthermore, the number of the spray heads is two, and the two spray heads are respectively arranged above the material pushing screw rod and the cutter.
Further, drying device includes the stoving case, fixed mounting has the air heater on the stoving case, the air heater air exit extends to stoving incasement portion, the ventilation hole has still been seted up on the stoving case, stoving incasement portion low rotation is connected with turns over the axle of mixing, fixed mounting has the stirring motor that turns over on the base, the output shaft that turns over the stirring motor has the transmission shaft through the coupling joint, the transmission shaft other end with turn over the axle of mixing and pass through bevel gear intermeshing, stoving bottom of the case portion fixed mounting has the relief valve.
Further, the discharge valve includes the valve body and is located the inside pneumatic telescopic link of valve body, the sealed head of pneumatic telescopic link upper end fixedly connected with, the valve body lateral wall still is equipped with the discharge gate.
Furthermore, a material collecting box arranged on the base is arranged below the drying device.
Further, cooling device includes blanking box and inlet pipe, inlet pipe one end extends to in the case that gathers materials, the inlet pipe other end passes blanking box and fixes the high pressure positive blower sealing connection on the base, the inside fixed mounting of inlet pipe has the filter, the filter sets up and is located blanking box inside part's pipeline at the inlet pipe, the inlet pipe corresponds the position with the filter and has seted up the blanking hole, high pressure positive blower's air outlet sealing connection has the discharging pipe, blanking box below sealing connection has row material pipe, arrange material pipe and discharging pipe sealing connection.
Further, the discharge pipe is arranged in an inclined manner.
The technical scheme of the invention has the following beneficial effects:
1. the invention adopts an integrated design, reasonably combines the steps of granulation, drying, cooling and the like, not only effectively improves the production efficiency, reduces the workload of manual operation, realizes unmanned operation, but also reduces the using amount of the dispersing agent, and tests show that the granulation and drying can still achieve the same effect as before under the condition of reducing the using amount of the dispersing agent by 30 percent, thereby saving the using amount of the dispersing agent and reducing the production cost;
2. the discharge valve adopts a structure of a sealing head and a pneumatic telescopic rod, when the discharge valve is closed, the sealing head is completely attached to the inner wall of the drying box, no dead angle exists, and the problem that the colloidal polyacrylamide particles are easy to block and adhere in the discharge valve in the prior art is solved;
3. by arranging the cooling system, on one hand, compared with the prior natural cooling, the cooling time is greatly shortened, and the production efficiency is improved; on the other hand, the condition that the colloid polyacrylamide particles after being dried at high temperature are partially adhered in the natural cooling process is avoided, and subsequent crushing is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a polyacrylamide twin-screw granulator according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a reference diagram showing the use state of the discharge valve of the polyacrylamide twin-screw granulator according to the present invention.
1. A granulation device; 101. a screw motor; 102. a granulation cabinet; 103. a feed hopper; 104. a pushing screw; 105. a spray head; 106. a prilling plate; 107. a cutter; 108. a discharge hopper; 109. cutting the motor; 2. a drying device; 201. a stirring motor; 202. a drying box; 203. a drive shaft; 204. a hot air blower; 205. turning the stirring shaft; 206. a discharge valve; 2061. a valve body; 2062. a pneumatic telescopic rod; 2063. a sealing head; 2064. a discharge port; 207. a vent hole; 208. a material collecting box; 3. a cooling system; 301. a feed pipe; 302. blanking the material box; 303. a discharge pipe; 304. a high pressure fan; 305. a discharge pipe; 306. a filter; 307. a blanking hole; 4. a base; 5. and a frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Example 1
As shown in fig. 1-4: the utility model provides a polyacrylamide twin-screw granulator, includes base 4, and 4 upper end one side of base are equipped with the drying device 2 that is used for drying the polyacrylamide granule, and 2 tops of drying device are equipped with the prilling granulator 1 that is used for the polyacrylamide granulation, and 2 one sides of drying device are equipped with and are used for refrigerated cooling system 3, and prilling granulator 1, drying device 2 and cooling system 3 all install in the frame 5 of 4 tops of base.
The granulating device 1 comprises a granulating case 102, a feed hopper 103 is fixedly connected to the upper end of the granulating case 102, two pushing screws 104 are rotatably connected inside the granulating case 102, the pushing screws 104 are in transmission connection with a screw motor 101 fixedly installed outside the granulating case 102, a granulating plate 106 is fixedly installed on one side, far away from the screw motor 101, inside the granulating case 102, through holes are uniformly distributed on the granulating plate 106, a cutter 107 in rotation connection with the granulating case 102 is arranged on one side, far away from the pushing screws 104, of the granulating plate 106, the cutter 107 is in transmission connection with a cutting motor 109 fixedly installed outside the granulating case 102, a spray nozzle 105 is fixedly installed on the top inside the granulating case 102, the spray nozzle 105 is used for spraying a dispersing agent, and a discharge hopper 108 is installed below the granulating case 102 and in a position corresponding to the cutter 107.
In this embodiment, two nozzles 105 are provided, and are respectively disposed above the pushing screw 104 and the cutter 107, the nozzle 105 above the pushing screw 104 is used for spraying a dispersing agent on the surface of the colloidal polyacrylamide, and the nozzle 105 above the cutter 107 is used for attaching the dispersing agent to a cutting surface, so as to prevent the colloidal polyacrylamide particles from being adhered to each other and affecting drying.
Drying device 2 includes stoving case 202, fixed mounting has air heater 204 on stoving case 202, inside air heater 204 air exit extended to stoving case 202, ventilation hole 207 has still been seted up on stoving case 202, be equipped with the otter board in the ventilation hole 207, avoid stirring in-process part polyacrylamide dust diffusion, the inside low rotation of stoving case 202 is connected with turns over stirring axle 205, fixed mounting has stirring motor 201 on base 4, the output shaft that stirring motor 201 has transmission shaft 203 through the coupling joint, the transmission shaft 203 other end and stirring axle 205 pass through bevel gear intermeshing, stoving case 202 bottom fixed mounting has discharge valve 206.
The discharge valve 206 comprises a valve body 2061 and a pneumatic telescopic rod 2062 located inside the valve body 2061, the upper end of the pneumatic telescopic rod 2062 is fixedly connected with a sealing head 2063, the side wall of the valve body 2061 is also provided with a discharge hole 2064, and the discharge hole 2064 corresponds to the material collecting box 208.
A material collecting box 208 arranged on the base 4 is arranged below the drying device 2.
Cooling device includes blanking box 302 and inlet pipe 301, inlet pipe 301 one end extends to in the case 208 that gathers materials, the inlet pipe 301 other end passes blanking box 302 and fixes the high pressure positive blower 304 sealing connection on base 4, the inside fixed mounting of inlet pipe 301 has filter 306, filter 306 sets up in inlet pipe 301 is located blanking box 302 internal portion's pipeline, blanking hole 307 has been seted up to inlet pipe 301 and filter 306 corresponding position, high pressure positive blower 304's air outlet sealing connection has discharging pipe 305, blanking box 302 below sealing connection has row material pipe 303, arrange material pipe 303 and discharging pipe 305 sealing connection.
The discharging pipe 305 is obliquely arranged, and an included angle between the discharging pipe 305 and the air outlet of the high-pressure fan 304 is an acute angle, so that the polyacrylamide particles have a flowing speed towards the left side, and discharging is facilitated.
The working method (or working principle) of the invention is as follows:
after the drying machine is started, the colloidal polyacrylamide enters the granulating machine case 102 through the feed hopper 103, the spray nozzle 105 sprays a dispersing agent, the screw motor 101 drives the pushing screw 104 to rotate, the colloidal polyacrylamide is pushed to the right side, the extruded colloidal polyacrylamide is discharged through holes of the granulating plate 106, the colloidal polyacrylamide is cut off and falls into the drying box 202 during the rotation process of the cutter 107, the stirring motor 201 drives the stirring shaft 205 to rotate through the transmission shaft 203, the hot air fan 204 is started simultaneously, after the drying is completed, the pneumatic telescopic rod 2062 is contracted, the sealing head 2063 is descended and contracted, the polyacrylamide particles fall into the collecting box 208 through the discharge port 2064, the high-pressure fan 304 is started, and the polyacrylamide particles are adsorbed through negative pressure. After passing through the blanking hole 307, the polyacrylamide particles are blocked by the filter 306 and fall, the gas flows through the high pressure fan 304 and is discharged through the air outlet, and after being discharged through the discharge pipe 303, the polyacrylamide particles are blown away by the gas blown out by the high pressure fan 304 and are discharged.
Example 2
The difference of this embodiment and embodiment 1 lies in, articulated on the base have one section extension pipe, and the extension pipe passes through the bellows with the discharging pipe to be connected, and when using, rotatable extension pipe adjusts ejection of compact position, conveniently arranges the material.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (8)

1. A polyacrylamide twin-screw granulator comprises a base (4), and is characterized in that: base (4) upper end one side is equipped with drying device (2) that are used for drying polyacrylamide granule, drying device (2) top is equipped with prilling granulator (1) that is used for the polyacrylamide granulation, drying device (2) one side is equipped with and is used for refrigerated cooling system (3), prilling granulator (1), drying device (2) and cooling system (3) are all installed on frame (5) of base (4) top.
2. The polyacrylamide twin-screw pelletizer of claim 1, wherein: the granulating device (1) comprises a granulating machine box (102), the upper end of the granulating machine box (102) is fixedly connected with a feed hopper (103), two material pushing screws (104) are rotatably connected inside the granulating machine box (102), the material pushing screws (104) are in transmission connection with a screw motor (101) fixedly arranged outside the granulating machine box (102), a granulating plate (106) is fixedly arranged on one side of the interior of the granulating machine box (102) far away from the screw motor (101), a cutter (107) rotationally connected with the granulating machine box (102) is arranged on one side of the granulating plate (106) far away from the material pushing screw (104), the cutter (107) is in transmission connection with a cutting motor (109) fixedly arranged outside the granulating machine box (102), a spray head (105) is fixedly mounted at the top inside the granulating machine box (102), and a discharge hopper (108) is mounted at the position below the granulating machine box (102) corresponding to the cutter (107).
3. The polyacrylamide twin-screw pelletizer of claim 2, wherein: the number of the spray heads (105) is two, and the two spray heads are respectively arranged above the material pushing screw rod (104) and the cutter (107).
4. The polyacrylamide twin-screw pelletizer of claim 1, wherein: drying device (2) are including stoving case (202), fixed mounting has air heater (204) on stoving case (202), air heater (204) air exit extends to inside stoving case (202), ventilation hole (207) have still been seted up on stoving case (202), stoving case (202) inside low rotation is connected with turns over and mixes axle (205), fixed mounting has on base (4) to turn over mixing motor (201), the output shaft that turns over mixing motor (201) has transmission shaft (203) through the coupling joint, transmission shaft (203) other end and turn over and mix axle (205) through bevel gear intermeshing, stoving case (202) bottom fixed mounting has bin valve (206).
5. The polyacrylamide twin-screw pelletizer of claim 4, wherein: the blow-off valve (206) includes valve body (2061) and is located inside pneumatic telescopic link (2062) of valve body (2061), pneumatic telescopic link (2062) upper end fixedly connected with seals head (2063), valve body (2061) lateral wall still is equipped with discharge gate (2064).
6. The polyacrylamide twin-screw pelletizer of claim 5, wherein: a material collecting box (208) arranged on the base (4) is arranged below the drying device (2).
7. The polyacrylamide twin-screw pelletizer of claim 6, wherein: cooling device is including blanking box (302) and inlet pipe (301), inlet pipe (301) one end extends to in the case (208) that gathers materials, inlet pipe (301) other end passes blanking box (302) and fixes high pressure positive blower (304) sealing connection on base (4), the inside fixed mounting of inlet pipe (301) has filter (306), filter (306) set up in inlet pipe (301) are located blanking box (302) inside partial pipeline, blanking hole (307) have been seted up to inlet pipe (301) and filter (306) corresponding position, the air outlet sealing connection of high pressure positive blower (304) has discharging pipe (305), blanking box (302) below sealing connection has material discharge pipe (303), material discharge pipe (303) and discharging pipe (305) sealing connection.
8. The polyacrylamide twin-screw pelletizer of claim 7, wherein: the discharge pipe (305) is arranged in an inclined manner.
CN202111070774.8A 2021-09-13 2021-09-13 Polyacrylamide double-screw granulator Pending CN113681753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111070774.8A CN113681753A (en) 2021-09-13 2021-09-13 Polyacrylamide double-screw granulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111070774.8A CN113681753A (en) 2021-09-13 2021-09-13 Polyacrylamide double-screw granulator

Publications (1)

Publication Number Publication Date
CN113681753A true CN113681753A (en) 2021-11-23

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Application Number Title Priority Date Filing Date
CN202111070774.8A Pending CN113681753A (en) 2021-09-13 2021-09-13 Polyacrylamide double-screw granulator

Country Status (1)

Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414898A (en) * 1999-12-15 2003-04-30 詹姆斯·哈迪研究有限公司 Method and apparatus for extruding cementitious articles
CN211762749U (en) * 2019-12-20 2020-10-27 天津洲海科技发展有限公司 Double-screw granulation device for production of modified color masterbatch
CN213198377U (en) * 2020-07-27 2021-05-14 江苏瑞文新材料科技有限公司 Special polyethylene's polymerization granulator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1414898A (en) * 1999-12-15 2003-04-30 詹姆斯·哈迪研究有限公司 Method and apparatus for extruding cementitious articles
CN211762749U (en) * 2019-12-20 2020-10-27 天津洲海科技发展有限公司 Double-screw granulation device for production of modified color masterbatch
CN213198377U (en) * 2020-07-27 2021-05-14 江苏瑞文新材料科技有限公司 Special polyethylene's polymerization granulator

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Application publication date: 20211123

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