CN115451660B - Polyacrylamide reaction polymerization drying device - Google Patents
Polyacrylamide reaction polymerization drying device Download PDFInfo
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- CN115451660B CN115451660B CN202211395693.XA CN202211395693A CN115451660B CN 115451660 B CN115451660 B CN 115451660B CN 202211395693 A CN202211395693 A CN 202211395693A CN 115451660 B CN115451660 B CN 115451660B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
- F26B3/0923—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating by mechanical means, e.g. vibrated plate, stirrer
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- 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
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- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- 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
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- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
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- 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
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of drying of polyacrylamide, in particular to a polyacrylamide reaction polymerization drying device which comprises a drying box, wherein a spiral feeding pipe is arranged above the drying box, two ends of the spiral feeding pipe are connected with the drying box through a group of lifting mechanisms, each group of lifting mechanisms comprises a rack and a first gear, one gear is provided with a one-way driver, the one-way driver comprises a grooved wheel and a sliding rod, a pressing reversing mechanism is arranged below the sliding rod and comprises a reversing block and two elastic pins, the reversing block is provided with a vertical sliding groove and a spiral sliding groove, the spiral feeding pipe can intercept polyacrylamide particles after the polyacrylamide particles ascend, and the floating polyacrylamide particles are horizontally conveyed to the upper part of a collecting box through a spiral feeding shaft.
Description
Technical Field
The invention relates to the technical field of polyacrylamide drying, in particular to a polyacrylamide reaction polymerization drying device.
Background
Polyacrylamide is a linear high molecular polymer, is a hard glassy solid at normal temperature, and products comprise glue solution, latex, white powder, semitransparent beads, sheets 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. 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, is an extremely important oilfield chemical, and is generally dried by a fluidized bed drying process in the production process of a factory, the traditional Chinese patent with the application publication number of CN 237289A in China discloses a drying device for polyacrylamide, and the patent also has the following defects:
polyacrylamide granule moves the in-process from left to right at the agitator, because of moisture reduces the quality and descends, under the unchangeable condition of below wind-force, can up-float, and every polyacrylamide granule is not of uniform size, gravity is also not uniform, moisture reduces the back, the come-up is highly inconsistent, thereby can lead to the polyacrylamide granule after the drying to be difficult to collect, if stop the air supply, make polyacrylamide granule lean on the dead weight whereabouts to collect, so partial polyacrylamide granule can be attached to on the agitator, thereby the collection rate of polyacrylamide granule after the drying has been reduced.
Therefore, it is necessary to provide a drying apparatus for polyacrylamide polymerization reaction to solve the above problems.
Disclosure of Invention
In view of the above, it is necessary to provide a drying apparatus for polyacrylamide polymerization reaction, which is directed to the problems of the prior art.
In order to solve the problems of the prior art, the invention adopts the technical scheme that: the utility model provides a polyacrylamide reaction polymerization drying device, the drying cabinet that is open structure including the top, the both sides of drying cabinet are equipped with feed inlet and collection workbin respectively, the drying cabinet internal rotation is equipped with and is the horizontally (mixing) shaft, the drying cabinet below is equipped with a plurality of and is used for letting in the hot-blast main of rising to the drying cabinet, the top of drying cabinet is equipped with the spiral conveying pipe parallel with the (mixing) shaft, a plurality of ventilation hole has been seted up at the top, the both ends of spiral conveying pipe all link to each other with the drying cabinet through a set of elevating system, the spiral conveying pipe is used for driving after the decline and is through hot air drying and in the unsteady raw materials granule horizontal displacement that rises to the collection workbin, every elevating system all includes and links to each other with spiral conveying pipe one end and is vertical rack and No. gear that links to each other with rack drive, two gear drives link to each other, be equipped with the one-way drive on one of them gear and be used for driving the rotating handle of a gear, the one-way drive includes the sheave that links to each other with a gear and be vertical slide bar, draw-in groove matched with the steering column in that is used for the restriction, the below of pressing the slide bar is equipped with the reversing mechanism and is equipped with the horizontal spout and is the horizontal spout that the slide bar and is corresponding to be the horizontal spout and is the vertical reversing block that the vertical reversing chute that the slide bar and is corresponding to each other with the vertical slide bar and is equipped with the vertical reversing chute that the spiral reversing block that the vertical slide bar, and is corresponding, and the horizontal spout that the slide bar, and is equipped with the horizontal reversing block that the vertical reversing chute that the slide bar, and the horizontal spout that the horizontal reversing chute that the vertical reversing chute that corresponds.
Further, the drying cabinet is the rectangle, and the top convergent of drying cabinet is vertical ascending straight way, the one end level of straight way stretches out outside the drying cabinet, the case that gathers materials links firmly with one side of drying cabinet, it is located the straight way and stretches out the below of end and the top of the case that gathers materials that stretches out and the end that stretches out of straight way and be linked together to gather materials the case, the both ends of straight way all link firmly a vertical baffle, all be equipped with on every vertical baffle one with vertical baffle sliding connection's slider, every slider homoenergetic is along vertical direction displacement from top to bottom on the vertical baffle that corresponds, the both ends of spiral conveying pipe link to each other with two sliders respectively, and two racks link to each other with two sliders respectively.
Further, the spiral conveying pipe comprises an inverted U-shaped pipe and a spiral conveying shaft, the axial direction of the inverted U-shaped pipe is parallel to the length direction of the straight pipeline, the inverted U-shaped pipe is located right above the straight pipeline, the axial length of the inverted U-shaped pipe is consistent with the length of the straight pipeline, the two ends of the inverted U-shaped pipe are of a closed structure, the spiral conveying shaft is rotatably arranged in the inverted U-shaped pipe, each sliding block comprises a short strip block and a long strip block, each short strip block is vertically and fixedly arranged on the side wall of one end of the inverted U-shaped pipe, each long strip block is vertically and fixedly arranged on the side wall of the corresponding short strip block, stepped grooves are inwards formed in the side wall of each vertical baffle towards the outside of the drying box along the horizontal direction, one end of each stepped groove, facing the inverted U-shaped pipe, the other end of each stepped groove is a vertical long groove, each short strip block and each long strip block are in sliding fit with the corresponding vertical short groove and the corresponding long groove, and each rack is fixedly arranged on the side wall of the corresponding long strip block facing the outside.
Furthermore, a transmission rod which is axially parallel to the length direction of the straight channel is rotatably arranged on the side wall of one side of the straight channel, two first gears are coaxially connected with the two ends of the transmission rod respectively, a second gear which is positioned between the corresponding rack and the first gear is rotatably arranged on the outward side wall of each vertical baffle, and each second gear is meshed with the rack and the first gear.
Furthermore, the upper end of the sliding rod is clamped in a clamping groove in the grooved wheel, and the top of the sliding rod is provided with a chamfer.
Further, the pressing reversing mechanism further comprises:
the accommodating shell is fixedly arranged on the outer wall of one end of the drying box and is positioned below one of the first gears, the bottom of the accommodating shell is of an open structure and is fixedly provided with a horizontal cover plate, a columnar groove which is vertically upward and is communicated with the bottom of the accommodating shell is formed in the accommodating shell, and the reversing block is columnar and is arranged in the columnar groove in a sliding manner;
the first spring is vertically arranged in the columnar groove, and two ends of the first spring are respectively abutted against the bottom of the reversing block and the top of the horizontal cover plate;
wherein, the lower extreme of slide bar penetrates downwards and holds in the shell and coaxial fixed locates the top of switching-over piece, and two elastic pin are the symmetric state and locate in the column inslot.
Further, set up two horizontal spouts that are the symmetric state on the inner wall in column groove, every elastic pin all slides and locates in the horizontal spout that corresponds, and all be equipped with the inconsistent No. two springs with elastic pin one end in every horizontal spout, the coaxial pull rod that is a vertical spring that passes of bottom of switching-over piece, horizontal apron is worn out downwards to the lower extreme of pull rod, the quantity of vertical spout and spiral spout is two, two vertical spouts are the symmetric state and locate on the outer wall of switching-over piece, two spiral spouts are central symmetry about the axial of switching-over piece, and the both ends of every spiral spout are equallyd divide do not link to each other with the lower extreme of one of them vertical spout and the upper end of another vertical spout, the other end of every elastic pin all is the button head form and can slide in vertical spout and the spiral spout that corresponds.
Furthermore, one end of the screw feeding shaft and the same side of the stirring shaft is respectively and coaxially connected with a first synchronizing wheel and a second synchronizing wheel, the first synchronizing wheel is connected with the second synchronizing wheel through synchronous belt transmission, a motor for driving the second synchronizing wheel to rotate is arranged beside the second synchronizing wheel, and a tensioner for tightly abutting the synchronous belt is fixedly connected to the drying box.
Compared with the prior art, the invention has the following beneficial effects: compared with the traditional polyacrylamide drying device, the device has the following advantages:
firstly, the spiral feeding pipe in the device can intercept polyacrylamide particles after the polyacrylamide particles rise, and the floating polyacrylamide particles are horizontally conveyed to the upper part of the collecting box through the spiral feeding shaft in the spiral feeding pipe;
secondly, the height of the spiral feeding shaft of the device is adjusted through two sets of lifting mechanisms, so that the device is suitable for horizontally transporting the polyacrylamide particles with different gravities, and all the dried polyacrylamide particles can be transported to the upper part of the material collecting box through the spiral feeding shaft.
Drawings
FIG. 1 is a first perspective view of an embodiment;
FIG. 2 is a partially enlarged schematic view of A1 indicated in FIG. 1;
FIG. 3 is a schematic perspective view of the second embodiment;
FIG. 4 is a top view of the embodiment;
FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is an enlarged partial view of A2 indicated in FIG. 5;
FIG. 7 is an enlarged partial schematic view of A3 indicated in FIG. 5;
FIG. 8 is an enlarged partial schematic view of A4 indicated in FIG. 5;
FIG. 9 is an exploded perspective view of the slider and vertical baffle of the embodiment;
FIG. 10 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 11 is a top view of the one-way driver and push diverter mechanism of the embodiment;
FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;
FIG. 13 is an enlarged partial view of A5 indicated in FIG. 12;
fig. 14 is an exploded perspective view of the pressing switch mechanism of the embodiment.
The reference numbers in the figures are: 1. a drying oven; 2. a feed inlet; 3. a material collecting box; 4. a stirring shaft; 5. a hot air pipe; 6. a vent hole; 7. a rack; 8. a first gear; 9. a handle is rotated; 10. a grooved wheel; 11. a slide bar; 12. a commutation block; 13. an elastic pin; 14. a vertical chute; 15. a spiral chute; 16. straight path; 17. a vertical baffle; 18. a slider; 19. reversing the U-shaped pipe; 20. a screw feed shaft; 21. short bars; 22. a long bar block; 23. a vertical short slot; 24. a vertical long groove; 25. a transmission rod; 26. a second gear; 27. a chamfer plane; 28. a housing case; 29. a horizontal cover plate; 30. a columnar groove; 31. a first spring; 32. a horizontal chute; 33. a second spring; 34. a pull rod; 35. a first synchronizing wheel; 36. a second synchronizing wheel; 37. a synchronous belt; 38. a motor; 39. a tensioner; 40. an inverted U-shaped sealing plate; 41. and a vent pipe.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 14, a polyacrylamide reaction polymerization drying device comprises a drying box 1 with an open top, wherein a feed inlet 2 and a material collecting box 3 are respectively arranged at two sides of the drying box 1, a horizontal stirring shaft 4 is rotatably arranged in the drying box 1, a plurality of hot air pipes 5 for introducing hot ascending air into the drying box 1 are arranged below the drying box 1, a spiral feeding pipe parallel to the stirring shaft 4 is arranged above the drying box 1, the lower half part of the spiral feeding pipe is of an open structure, a plurality of vent holes 6 are arranged at the top, two ends of the spiral feeding pipe are connected with the drying box 1 through a set of lifting mechanism, the spiral feeding pipe is used for driving raw material particles which are subjected to hot air drying and float and ascend after descending and horizontally displace to the material collecting box 3, every elevating system all includes and links to each other and be vertical rack 7 and the gear 8 that links to each other with rack 7 transmission with spiral conveying pipe one end, two gear 8 transmissions link to each other, be equipped with one-way driver on one of them gear 8 and be used for driving the rotatory turning handle 9 of gear 8, one-way driver includes the sheave 10 that links to each other with a gear 8 is coaxial and is vertical slide bar 11, the upper end of slide bar 11 cooperatees with the draw-in groove in the sheave 10 and is used for restricting turning to of sheave 10, the below of slide bar 11 is equipped with presses reversing mechanism, press reversing mechanism and include the reversing block 12 that links to each other and can elasticity push down with slide bar 11 lower extreme and two elastic pin 13, be equipped with vertical chute 14 and spiral chute 15 on the reversing block 12, every elastic pin 13 all be horizontal and cooperate with vertical chute 14 and spiral chute 15 that correspond.
Drying cabinet 1 is the rectangle, and the top convergent of drying cabinet 1 is vertical ascending straight way 16, the one end level of straight way 16 stretches out outside drying cabinet 1, it links firmly with one side of drying cabinet 1 to gather the workbin 3, it is located the below that straight way 16 stretches out the end and the top that gathers the workbin 3 is linked together with the end that stretches out of straight way 16 to gather the workbin 3, the both ends of straight way 16 all link firmly a vertical baffle 17, all be equipped with one on every vertical baffle 17 with vertical baffle 17 sliding connection's slider 18, every slider 18 all can be along vertical direction displacement from top to bottom on the vertical baffle 17 that corresponds, the both ends of spiral conveying pipe link to each other with two sliders 18 respectively, and two racks 7 link to each other with two sliders 18 respectively.
Before drying, a plurality of hot air pipes 5 are kept to continuously introduce hot air into the drying box 1, then the rotating handle 9 is shaken, after the rotating handle 9 is shaken in one direction, one gear 8 coaxially connected with the rotating handle 9 can rotate to drive the corresponding rack 7 to descend, due to the transmission connection of the two gears 8, the other gear 8 can also rotate to drive the corresponding rack 7 to descend, so that the sliding block 18 connected with the rack 7 can slide downwards on the vertical baffle 17, the whole spiral feeding pipe can be driven to descend into the straight channel 16, then polyacrylamide particles are injected into the drying box 1 from the feeding port 2, the polyacrylamide particles can naturally descend downwards due to the moisture contained in the hot air, at the moment, the continuously ascending hot air flow in the drying box 1 can drive the polyacrylamide particles to ascend, in the process, the polyacrylamide particles are in a dynamic balance state in the drying box 1, meanwhile, the stirring shaft 4 rotates to continuously stir the polyacrylamide particles, so that the polyacrylamide particles are uniformly heated, after the polyacrylamide particles are dried by the hot air flow in the hot air pipes, the feeding pipe continuously reduce the weight of the polyacrylamide particles, and then the polyacrylamide particles fall into the drying box 3 and finally move to the outside the drying box, and when the feeding box 3 moves to the horizontal position of the drying box, once the feeding box 3.
The spiral feeding pipe comprises an inverted U-shaped pipe 19 and a spiral feeding shaft 20 which are axially parallel to the length direction of the straight pipe 16, the inverted U-shaped pipe 19 is located right above the straight pipe 16, the axial length of the inverted U-shaped pipe 19 is consistent with the length of the straight pipe 16, both ends of the inverted U-shaped pipe 19 are of a closed structure, the spiral feeding shaft 20 is rotatably arranged in the inverted U-shaped pipe 19, each sliding block 18 comprises a short strip block 21 and a long strip block 22, each short strip block 21 is vertically and fixedly arranged on the side wall of one end of the inverted U-shaped pipe 19, each long strip block 22 is vertically and fixedly arranged on the side wall of the corresponding short strip block 21, a stepped groove is formed in the side wall of each vertical baffle 17, facing the outside of the drying box 1, in the horizontal direction, one end of each stepped groove, facing the inverted U-shaped pipe 19, the other end of each stepped groove is a vertical short groove 23, the other end of each stepped groove is a vertical long groove 24, each short strip block 21 and each long strip block 22 are respectively in sliding fit with the corresponding vertical short groove 23 and the corresponding vertical groove 24, and each long groove 7 is fixedly arranged on the side wall of the corresponding long groove 22.
After the gear rotates, the rack 7 drives the corresponding long strip block 22 to slide downwards in the vertical long groove 24, meanwhile, the short strip block 21 fixedly connected with the long strip block 22 slides downwards in the vertical short groove 23, so that the inverted U-shaped tube 19 can be connected with the spiral feeding shaft 20 to slide downwards into the straight tube 16, in the sliding process of the inverted U-shaped tube 19, two ends of the inverted U-shaped tube 19 are respectively attached to the two vertical baffles 17 to slide, after the inverted U-shaped tube 19 is installed, an inverted U-shaped sealing plate 40 which completely seals an opening of the straight tube 16 is sleeved on the inverted U-shaped tube 19, two ends of the inverted U-shaped sealing plate 40 are respectively and fixedly connected with the two vertical baffles 17, the top of the inverted U-shaped sealing plate 40 is communicated with a plurality of ventilation pipes 41, so that in the descending process of the inverted U-shaped tube 19, hot air flow cannot leak from the position where the end of the inverted U-shaped tube 19 is attached to the vertical baffles 17, and at the moment, the rising hot air flow flows to the ventilation pipes 41 and finally flows to the outside from the ventilation pipes 6.
A transmission rod 25 which is axially parallel to the length direction of the straight channel 16 is rotatably arranged on the side wall of one side of the straight channel 16, the two first gears 8 are coaxially connected with two ends of the transmission rod 25 respectively, a second gear 26 which is positioned between the corresponding rack 7 and the first gear 8 is rotatably arranged on the outward side wall of each vertical baffle 17, and each second gear 26 is meshed with the rack 7 and the first gear 8.
After one of the first gears 8 rotates, the other first gear 8 can synchronously rotate under the transmission action of the transmission rod 25, the rack 7 is finally lifted through the transmission of the second gear 26, and the diameter of the second gear 26 is smaller than that of the first gear 8, so that after the operating personnel rotates the rotating handle 9, the rack 7 can drive the spiral feeding pipe to descend more quickly, the manpower is further saved, and the rotating handle 9 does not need to be rotated for multiple times.
The upper end of the sliding rod 11 is clamped in a clamping groove in the sheave 10, and the top of the sliding rod 11 is provided with a chamfer 27.
The function of the unidirectional driver:
because the spiral feeding pipe has certain gravity, the spiral feeding pipe can automatically drive the rack 7 to descend and drive the first gear 8 to rotate, the steering of the first gear 8 is limited through the one-way driver, so that the spiral feeding pipe cannot automatically descend, and meanwhile, the sliding rod 11 enables the oblique section 27 of the sliding rod 11 to be reversed by pressing the reversing mechanism, so that the first gear 8 can be ensured to rotate forwards or backwards through rotating the rotating handle 9;
the working principle of the unidirectional driver is as follows:
the top of the sliding rod 11 is clamped in a clamping groove between two outer convex blocks of the grooved wheel 10 in an initial state, when the rotating handle 9 is rotated towards one direction, the grooved wheel 10 rotates along with the rotating handle, at the moment, the outer convex block which is in contact with the top of the sliding rod 11 slides along the inclined plane 27 at the top of the sliding rod 11 and pushes against the sliding rod 11 to enable the sliding rod 11 to move downwards and press the reversing block 12 downwards, when the grooved wheel 10 rotates reversely, the outer convex block on the grooved wheel 10 directly pushes against the top of the sliding rod 11 to enable the grooved wheel 10 to be incapable of rotating, and therefore the one-way rotation of the first gear 8 is achieved.
Pressing reversing mechanism still includes:
the accommodating shell 28 is fixedly arranged on the outer wall of one end of the drying box 1, the accommodating shell 28 is positioned below one of the first gears 8, the bottom of the accommodating shell 28 is of an open structure and is fixedly provided with a horizontal cover plate 29, a columnar groove 30 which is vertically upward and communicated with the bottom of the accommodating shell 28 is arranged in the accommodating shell 28, and the reversing block 12 is columnar and is arranged in the columnar groove 30 in a sliding manner;
the first spring 31 is vertically arranged in the columnar groove 30, and two ends of the first spring 31 respectively abut against the bottom of the reversing block 12 and the top of the horizontal cover plate 29;
the lower end of the sliding rod 11 penetrates into the accommodating shell 28 and is coaxially and fixedly arranged at the top of the reversing block 12, and the two elastic pins 13 are symmetrically arranged in the cylindrical groove 30.
The first spring 31 is used for pressing the reversing block 12 downwards to ensure that the sliding rod 11 connected with the reversing block 12 can move downwards after being collided by the grooved wheel 10, and the sliding rod 11 is reset by the elastic force of the first spring 31 after moving downwards.
Two horizontal sliding grooves 32 in a symmetrical state are formed in the inner wall of the columnar groove 30, each elastic pin 13 is arranged in the corresponding horizontal sliding groove 32 in a sliding mode, a second spring 33 which is inconsistent with one end of each elastic pin 13 is arranged in each horizontal sliding groove 32, a pull rod 34 which vertically penetrates through the first spring 31 is coaxially arranged at the bottom of the reversing block 12, the lower end of the pull rod 34 downwards penetrates out of the horizontal cover plate 29, the vertical sliding grooves 14 and the spiral sliding grooves 15 are two in number, the two vertical sliding grooves 14 are arranged on the outer wall of the reversing block 12 in a symmetrical state, the two spiral sliding grooves 15 are in central symmetry relative to the axial direction of the reversing block 12, two ends of each spiral sliding groove 15 are connected with the lower end of one vertical sliding groove 14 and the upper end of the other vertical sliding groove 14, and the other end of each elastic pin 13 is in a round head shape and can slide in the corresponding vertical sliding grooves 14 and the spiral sliding grooves 15.
When the vertical sliding grooves 14 and the spiral sliding grooves 15 are machined, the depth of each spiral sliding groove 15 needs to be larger than that of each vertical sliding groove 14, and therefore the connecting parts of the upper end and the lower end of each vertical sliding groove 14 and one end of each of the two spiral sliding grooves 15 are in a step shape;
in the initial state, the first spring 31 completely releases the elastic force to push the reversing block 12 upwards, at the moment, the round end of each elastic pin 13 is displaced to the bottom end of the corresponding vertical chute 14, when the sliding rod 11 needs to be reversed, the pull rod 34 is manually pulled downwards, at the moment, the pull rod 34 drives the reversing block 12 to move downwards and compress the first spring 31, at the moment, the round end of each elastic pin 13 slides upwards in the corresponding vertical chute 14, in the process, the round end of each elastic pin 13 moves upwards from one end of the deeper spiral chute 15 to the shallower vertical chute 14, so that the elastic pin 13 can displace to the horizontal chute 32 for a short distance and compress the second spring 33, when the pull rod 34 is pulled until the round end of the elastic pin 13 is displaced to the upper end of the corresponding vertical chute 14, the pull rod 34 is immediately released, in the process, the round end of the elastic pin 13 can be displaced from the shallow vertical chute 14 to one end of the deep spiral chute 15, the second spring 33 can push the elastic pin 13 outwards, the reversing block 12 can be driven by the elastic force of the first spring 31 to move upwards, and the round end of the elastic pin 13 is already located in the spiral chute 15, so that when the reversing block 12 moves upwards, the round end of the elastic pin 13 can slide in the spiral chute 15, and the two spiral chutes 15 are in central symmetry with respect to the axial direction of the reversing block 12, so that when the reversing block 12 rises to an initial state, the reversing block 12 can drive the sliding rod 11 to complete 180-degree reversing, so as to reverse the chamfered surface 27 of the sliding rod 11, so that the steering of the first gear 8 limited by the unidirectional driver can be changed, and the first gear 8 can be enabled to rotate reversely or rotate forwards by rotating the rotating handle 9.
One end of the spiral feeding shaft 20 on the same side as the stirring shaft 4 is respectively and coaxially connected with a first synchronizing wheel 35 and a second synchronizing wheel 36, the first synchronizing wheel 35 is in transmission connection with the second synchronizing wheel 36 through a synchronous belt 37, a motor 38 for driving the second synchronizing wheel 36 to rotate is arranged beside the second synchronizing wheel 36, and a tensioner 39 for tightly abutting the synchronous belt 37 is fixedly connected to the drying box 1.
After the motor 38 is started, the second synchronizing wheel 36 is driven to drive the first synchronizing wheel 35 to rotate, so that synchronous rotation of the stirring shaft 4 and the spiral feeding shaft 20 is achieved through one driving source, and the spiral feeding shaft 20 can lift, so that the synchronous belt 37 is always in a tight state under the action of the tensioner 39, and the synchronous belt 37 cannot be loosened due to the falling of the first synchronizing wheel 35.
The working principle is as follows:
injecting polyacrylamide particles into the feed port 2, wherein the polyacrylamide particles have heavier moisture and naturally fall down once falling into the drying box 1, the polyacrylamide particles are supported by hot air currents introduced through a plurality of hot air pipes 5 at the moment so as to float in the drying box 1, and the polyacrylamide particles are stirred by the stirring shaft 4 at the moment, so that the polyacrylamide particles are uniformly heated, once the moisture in the polyacrylamide particles is evaporated by the hot air currents, the weight of the polyacrylamide particles is reduced, the polyacrylamide particles are supported by continuous hot air currents to rise until the polyacrylamide particles contact with the rotating spiral feeding shaft 20, but the polyacrylamide particles have different sizes and different heights after being dried, and each polyacrylamide particle has different heights after being dried, therefore, the spiral feeding shaft 20 needs to have a lifting function so as to ensure that all polyacrylamide particles can be driven by the spiral feeding shaft 20 to be transported into the collecting box 3, the lifting of the spiral feeding shaft 20 is realized by manually rotating the rotating handle 9, the spiral feeding shaft 20 descends when the rotating handle 9 is rotated in the forward direction, the spiral feeding shaft 20 ascends when the rotating handle 9 is rotated in the reverse direction, but the spiral feeding shaft 20 and the inverted U-shaped pipe 19 can automatically drive the rack 7 to descend due to the self weight, the first gear 8 can be driven to rotate by the rack 7 at the moment, in order to prevent the situation, the steering of the first gear 8 can be prevented by the one-way driver, the steering of the first gear 8 is limited by the one-way driver to be the steering when the rack 7 descends driven by the first gear 8, and the rack 7 can be blocked and can not be driven to descend by the gravity of the spiral feeding shaft 20 and the inverted U-shaped pipe 19, however, after the rotation of the first gear 8 is limited by the unidirectional driver, since the screw feeding shaft 20 needs to adjust the lifting height by rotating the rotating handle 9, the direction of the sliding rod 11 is changed by pressing the direction changing mechanism, so that the rotation limited by the unidirectional driver of the first gear 8 can be changed, and the first gear 8 can rotate forwards or backwards by rotating the rotating handle 9.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A polyacrylamide reaction polymerization drying device is characterized by comprising a drying box (1) with the top of an open structure, wherein a feed inlet (2) and a material collecting box (3) are respectively arranged on two sides of the drying box (1), a horizontal stirring shaft (4) is rotationally arranged in the drying box (1), a plurality of hot air pipes (5) used for introducing hot ascending air into the drying box (1) are arranged below the drying box (1), a spiral feeding pipe parallel to the stirring shaft (4) is arranged above the drying box (1), the lower half part of the spiral feeding pipe is of an open structure, a plurality of ventilation holes (6) are formed in the top of the spiral feeding pipe, two ends of the spiral feeding pipe are connected with the drying box (1) through a group of lifting mechanisms, the screw feeding pipe is used for driving raw material particles which are dried by hot air and float and ascend after descending to be horizontally displaced into the material collecting box (3), each group of lifting mechanisms comprises a rack (7) which is connected with one end of the screw feeding pipe and vertical and a gear (8) which is connected with the rack (7) in a transmission mode, two gears (8) are connected in a transmission mode, one gear (8) is provided with a one-way driver and a rotating handle (9) which is used for driving the gear (8) to rotate, the one-way driver comprises a grooved wheel (10) which is coaxially connected with the gear (8) and a vertical sliding rod (11), the upper end of the sliding rod (11) is matched with a clamping groove in the grooved wheel (10) to limit the steering of the grooved wheel (10) The below of slide bar (11) is equipped with presses reversing mechanism, presses reversing mechanism and includes and link to each other and can elasticity reversing block (12) and two elastic pin (13) that push down with slide bar (11) lower extreme, is equipped with vertical spout (14) and spiral chute (15) on reversing block (12), and every elastic pin (13) all are horizontal and cooperate with vertical spout (14) and spiral chute (15) that correspond, presses reversing mechanism and still includes: the accommodating shell (28) is fixedly arranged on the outer wall of one end of the drying box (1), the accommodating shell (28) is positioned below one of the first gears (8), the bottom of the accommodating shell (28) is of an open structure and is fixedly provided with a horizontal cover plate (29), a cylindrical groove (30) which is vertically upward and communicated with the bottom of the accommodating shell (28) is formed in the accommodating shell (28), and the reversing block (12) is cylindrical and is arranged in the cylindrical groove (30) in a sliding manner; the first spring (31) is vertically arranged in the columnar groove (30), and two ends of the first spring (31) respectively abut against the bottom of the reversing block (12) and the top of the horizontal cover plate (29); wherein, the lower extreme of slide bar (11) penetrates downwards and holds in shell (28) and coaxial fixed locate the top of switching-over block (12), two elastic pin (13) are the symmetric state and locate in column groove (30), set up two horizontal spout (32) that are the symmetric state on the inner wall of column groove (30), every elastic pin (13) all slides and locate in corresponding horizontal spout (32), and all be equipped with in every horizontal spout (32) and contradict No. two spring (33) with elastic pin (13) one end, the coaxial pull rod (34) that are vertical through a spring (31) that are equipped with in the bottom of switching-over block (12), horizontal apron (29) are worn out downwards to the lower extreme of pull rod (34), vertical spout (14) are two with the quantity of spiral spout (15), two vertical spout (14) are on the outer wall of switching-over block (12) is located the symmetric state, two spiral spout (15) are central symmetry about the axial of switching-over block (12), and the both ends of every spiral are equallyd divide and do not be one vertical spout (14) and the other end that correspond and vertical spout (13) and all link to each other end that correspond, the round head spout (13) is equal.
2. The polyacrylamide reaction polymerization drying device according to claim 1, wherein the drying box (1) is rectangular, the top of the drying box (1) is gradually reduced to form a vertical upward straight channel (16), one end of the straight channel (16) horizontally extends out of the drying box (1), the material collecting box (3) is fixedly connected with one side of the drying box (1), the material collecting box (3) is located below the extending end of the straight channel (16), the top of the material collecting box (3) is communicated with the extending end of the straight channel (16), two ends of the straight channel (16) are fixedly connected with a vertical baffle (17), each vertical baffle (17) is provided with a sliding block (18) which is slidably connected with the vertical baffle (17), each sliding block (18) can vertically move up and down on the corresponding vertical baffle (17), two ends of the spiral feeding pipe are respectively connected with the two sliding blocks (18), and the two racks (7) are respectively connected with the two sliding blocks (18).
3. The polyacrylamide reaction polymerization drying device according to claim 2, wherein the spiral feeding pipe comprises an inverted U-shaped pipe (19) and a spiral feeding shaft (20) which are axially parallel to the length direction of the straight pipe (16), the inverted U-shaped pipe (19) is located right above the straight pipe (16), the axial length of the inverted U-shaped pipe (19) is consistent with the length of the straight pipe (16), both ends of the inverted U-shaped pipe (19) are of a closed structure, the spiral feeding shaft (20) is rotatably arranged in the inverted U-shaped pipe (19), each sliding block (18) comprises a short strip block (21) and a long strip block (22), each short strip block (21) is vertically and fixedly arranged on the side wall of one end of the inverted U-shaped pipe (19), each long strip block (22) is vertically and fixedly arranged on the side wall of the corresponding short strip block (21), a stepped groove is formed in the horizontal direction on the side wall of each vertical baffle (17) facing the outside of the drying box (1), one end of each stepped groove facing the inverted U-shaped pipe (19) is a vertical and fixedly arranged on the side wall of the corresponding short strip block (21), each vertical baffle (22) is a corresponding long groove, each vertical baffle (23) is arranged on the side wall of the corresponding long strip block (7), and each vertical baffle (24) is in a corresponding long groove, and each long groove corresponding long groove (24) and each long groove.
4. The device for reaction, polymerization and drying of polyacrylamide according to claim 2, wherein a transmission rod (25) axially parallel to the length direction of the straight channel (16) is rotatably arranged on the side wall of one side of the straight channel (16), two first gears (8) are coaxially connected with two ends of the transmission rod (25), a second gear (26) positioned between the corresponding rack (7) and the first gear (8) is rotatably arranged on the side wall of each vertical baffle (17) facing outwards, and each second gear (26) is meshed with the rack (7) and the first gear (8).
5. The drying device for polyacrylamide polymerization reaction according to claim 1, wherein the upper end of the sliding rod (11) is engaged in a slot in the sheave (10), and the top of the sliding rod (11) has a chamfered surface (27).
6. The device for reaction, polymerization and drying of polyacrylamide according to claim 3, wherein one end of the screw feeding shaft on the same side as the stirring shaft (4) is respectively and coaxially connected with a first synchronizing wheel (35) and a second synchronizing wheel (36), the first synchronizing wheel (35) and the second synchronizing wheel (36) are in transmission connection through a synchronous belt (37), a motor (38) for driving the second synchronizing wheel (36) to rotate is arranged beside the second synchronizing wheel (36), and a tensioner (39) for tightly pressing the synchronous belt (37) is fixedly connected to the drying box (1).
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| KR101160977B1 (en) * | 2010-12-22 | 2012-06-29 | 주식회사 포스코 | Apparatus for drying raw material and method for controlling thereof |
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| CN207231106U (en) * | 2017-08-29 | 2018-04-13 | 新金塔集团有限公司 | A kind of drying machine |
| CN208983810U (en) * | 2018-09-26 | 2019-06-14 | 衢州市川特电子科技有限公司 | A kind of wiring board vertical drying oven |
| CN111238219A (en) * | 2020-01-13 | 2020-06-05 | 蒋天勤 | Spreading and drying machine for threshing before oil extraction of camellia seeds |
| CN214009750U (en) * | 2020-12-02 | 2021-08-20 | 昆明医科大学 | Experimental apparatus storage drying device for molecular cell biology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101160977B1 (en) * | 2010-12-22 | 2012-06-29 | 주식회사 포스코 | Apparatus for drying raw material and method for controlling thereof |
| CN204523715U (en) * | 2014-12-31 | 2015-08-05 | 广州市拓璞电器发展有限公司 | A kind of cleaning device of container |
| CN207231106U (en) * | 2017-08-29 | 2018-04-13 | 新金塔集团有限公司 | A kind of drying machine |
| CN208983810U (en) * | 2018-09-26 | 2019-06-14 | 衢州市川特电子科技有限公司 | A kind of wiring board vertical drying oven |
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Inventor after: Shen Weiwei Inventor after: Guan Yong Inventor after: Wang Peng Inventor after: Xu Zhiying Inventor after: Xia Junwei Inventor before: Shen Weiwei Inventor before: Guan Yong Inventor before: Wang Peng Inventor before: Ma Leyao Inventor before: Xu Zhiying Inventor before: Xia Junwei |