CN210242171U - Quick drying device is used in production of plastic woven sack raw materials - Google Patents
Quick drying device is used in production of plastic woven sack raw materials Download PDFInfo
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- CN210242171U CN210242171U CN201920918403.2U CN201920918403U CN210242171U CN 210242171 U CN210242171 U CN 210242171U CN 201920918403 U CN201920918403 U CN 201920918403U CN 210242171 U CN210242171 U CN 210242171U
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Abstract
The utility model discloses a quick drying device is used in production of plastic woven sack raw materials, including circulating fluidized bed furnace body and air heater, its characterized in that: screw conveyer is installed to the lateral part of circulating fluidized bed furnace body, the air heater is installed in the lateral part of circulating fluidized bed furnace body, the internally mounted of circulating fluidized bed furnace body has the grid plate, the welding of the upper portion equidistance of grid plate has the hood, the last lateral part intercommunication of circulating fluidized bed furnace body has cyclone, cyclone includes hollow cylinder, blast pipe and cone, the inside of hollow cylinder is just inserted in blast pipe and hollow cylinder's upper portion intercommunication, the cone is installed in hollow cylinder's lower part, the lower part intercommunication of cone has row material pipe. The utility model discloses a circulating fluidized bed furnace body drying's form carries out abundant rapid draing to plastic granules to effectual realization vapor and plastic granules's separation.
Description
Technical Field
The utility model relates to a plastic woven sack produces technical field, specifically is a quick drying device is used in production of plastic woven sack raw materials.
Background
The plastic woven bag is made into a polypropylene bag and a polyethylene bag according to main materials; is divided into a bottom sewing bag and a side sewing bottom bag according to a sewing method, is widely applied to a packaging material of articles such as fertilizer, chemical products and the like at present, the main production process comprises the steps of extruding a film from a plastic raw material, cutting and unidirectionally stretching the film into flat filaments, weaving the flat filaments by warps and wefts to obtain a product, generally called as a woven bag, wherein the plastic woven bag is made of plastic particles, the plastic particles are dried to extrude the film, if the plastic particles are not sufficiently dried, the time for melting the plastic particles into a solution can be prolonged, the work efficiency for processing the product is reduced, a large amount of water is contained in the solution, and when the solution is formed, a large amount of bubbles exist in the plastic solution due to water evaporation, when extruding the blown film to the plastic solution, the solution has a large amount of bubbles to cause the film blowing to be uneven, and the film blowing is uneven, so that the thickness of the extruded film is different, and the quality of the plastic woven bag is reduced.
Present stoving utilizes drying stirrer, stirs the limit while and weathers plastic granules through hot-blast, though can reduce the moisture that plastic granules contains, but, the speed of its stoving is slower, and the moisture at plastic granules middle part can not carry out effectual stoving, is unfavorable for improving the efficiency of stoving, and on the other hand, at the stoving in-process, vapor and the unable effectual separation of plastic granules are unfavorable for subsequent use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick drying device is used in production of plastic woven sack raw materials adopts the form that circulating fluidized bed dried for plastic granules blows up in circulating fluidized bed and is fluidized state and dries, reaches the purpose of quick and effective stoving, and effectual realization feed back and subsequent vapor and plastic granules's separation, the subsequent use of being convenient for, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a quick drying device for plastic woven bag raw material production comprises a circulating fluidized bed furnace body and an air heater, wherein a spiral conveyor is installed on the lateral portion of the circulating fluidized bed furnace body, the discharge end of the spiral conveyor is communicated with the lateral wall of the circulating fluidized bed furnace body, the air heater is installed on the lateral portion of the circulating fluidized bed furnace body, the air outlet end of the air heater is communicated with the lower wall of the circulating fluidized bed furnace body, an air distribution plate is installed inside the circulating fluidized bed furnace body, an air cap is welded on the upper portion of the air distribution plate in an equidistant mode, a cyclone separator is communicated with the upper side portion of the circulating fluidized bed furnace body and comprises a hollow cylinder, an exhaust pipe and a cone, the lateral portion of the hollow cylinder is communicated with the circulating fluidized bed furnace body, the exhaust pipe is communicated with the upper portion of the hollow cylinder and inserted into the hollow cylinder, the lower part of the cone is communicated with a discharge pipe.
Preferably, the outer sides of the circulating fluidized bed furnace body and the cyclone separator are covered with heat insulation cotton layers.
Preferably, an electric regulating valve and a gas flowmeter are installed at the discharge end of the air heater.
Preferably, the middle part of the air distribution plate is provided with a through hole matched with the air cap, and ribs are arranged between the outer side of the air distribution plate and the inner wall of the circulating fluidized bed furnace body.
Preferably, the ratio of the common length of the cone and the hollow cylinder to the length of the exhaust pipe inserted into the hollow cylinder is 1:2-1: 3.
Preferably, the middle part of the discharging pipe is provided with two groups of butterfly valves, and the two groups of butterfly valves are arranged from top to bottom relative to the discharging pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. conveying plastic particles to be dried to the inside of a circulating fluidized bed furnace body through a screw conveyor, enabling the plastic particles to fall to the upper part of an air distribution plate, operating a hot air blower, introducing hot air generated from the outside into the inside of the circulating fluidized bed furnace body through the hot air blower, and spraying the hot air under the action of the air distribution plate and an air cap to enable the plastic particles to form a fluidized state;
2. the hot air with the water vapor and the plastic particles enter the cyclone separator after being dried, and form a vortex centrifugal force under the action of the hollow cylinder and the cone, so that the plastic particles are discharged through the discharge pipe, the hot air with the water vapor is discharged through the exhaust pipe, the separation of the plastic particles and the water vapor is realized, and the subsequent use is facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top sectional view of the structure of the wind distribution plate of the present invention;
fig. 3 is an axonometric view of the partial structure of the hood of the present invention.
In the figure: 1. a circulating fluidized bed furnace body; 2. a hot air blower; 3. a screw conveyor; 4. a wind distribution plate; 5. a hood; 6. a cyclone separator; 7. a hollow cylinder; 8. an exhaust pipe; 9. a cone; 10. a discharge pipe; 11. a heat insulation cotton layer; 12. an electric control valve; 13. a gas flow meter; 14. a through hole; 15. ribs; 16. butterfly valves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a quick drying device for producing plastic woven bag raw materials comprises a circulating fluidized bed furnace body 1 and an air heater 2, wherein the air heater 2 is an HFY-30Q series air heater and is used for blowing hot air, a spiral conveyor 3 is installed on the side portion of the circulating fluidized bed furnace body 1, the spiral conveyor 3 is a TP-TE series spiral conveyor and is used for conveying water-containing plastic particles, the discharge end of the spiral conveyor 3 is communicated with the side wall of the circulating fluidized bed furnace body 1, the air heater 2 is installed on the side portion of the circulating fluidized bed furnace body 1, the air outlet end of the air heater 2 is communicated with the lower wall of the circulating fluidized bed furnace body 1, an air distribution plate 4 is installed inside the circulating fluidized bed furnace body 1, air caps 5 are welded on the upper portion of the air distribution plate 4 at equal intervals, a cyclone separator 6 is communicated with the upper side portion of the circulating fluidized bed furnace body 1, the cyclone separator 6 comprises a hollow cylinder, the side part of the hollow cylinder 7 is communicated with the circulating fluidized bed furnace body 1, the exhaust pipe 8 is communicated with the upper part of the hollow cylinder 7 and inserted into the hollow cylinder 7, the cone 9 is arranged at the lower part of the hollow cylinder 7, and the lower part of the cone 9 is communicated with the discharge pipe 10.
Specifically, the outer sides of the circulating fluidized bed furnace body 1 and the cyclone separator 6 are covered with heat insulation cotton layers 11, and the heat insulation cotton layers 11 are used for insulating the circulating fluidized bed furnace body 1 and the cyclone separator 6 and preventing the heat of the drying hot air from being dissipated too fast.
Specifically, an electric regulating valve 12 and a gas flowmeter 13 are installed at the discharge end of the air heater 2, the electric regulating valve 12 is used for regulating hot air as much as possible, and the gas flowmeter 13 is used for detecting the amount of the hot air entering the circulating fluidized bed furnace body 1.
Specifically, the middle part of the air distribution plate 4 is provided with a through hole 14 matched with the air cap 5, ribs 15 are arranged between the outer side of the air distribution plate 4 and the inner wall of the circulating fluidized bed furnace body 1, the through hole 14 is convenient for ventilation, and the ribs 15 increase the connection strength of the air distribution plate 4 and the inner wall of the circulating fluidized bed furnace body 1.
Specifically, the ratio of the common length of the cone 9 and the hollow cylinder 7 to the length of the exhaust pipe 8 inserted into the hollow cylinder 7 is 1:2-1:3, and the cone 9 is used for being matched with the hollow cylinder 7 and the exhaust pipe 8 to form the cyclone separator 6, so that vortex centrifugal force is conveniently formed, and the cyclone separator is used for separating plastic particles from hot air with water vapor.
Specifically, arrange the mid-mounting of material pipe 10 and have two sets of butterfly valves 16, and two sets of butterfly valves 16 arrange from last to down for arranging material pipe 10, arrange material pipe 10 and arrange the pipe for cold rolled steel for the plastic pellet after the stoving of discharging, and communicate with outside receiving device, two sets of complex butterfly valves 16, to arranging cutting off of material pipe 10 when being convenient for change receiving device.
The working principle is as follows: when in use, the plastic particles to be dried are conveyed to the inside of the circulating fluidized bed furnace body 1 through the screw conveyer 3 and fall onto the upper part of the air distribution plate 4, the hot air fan 2 is operated, hot air generated from the outside is introduced into the circulating fluidized bed furnace body 1 by the hot air fan 2, the hot air is sprayed out under the action of the air distribution plate 4 and the air cap 5, so that the plastic particles form a fluidized state, the hot air and the plastic particles are fully contacted due to the fluidized state formed between the plastic particles and the hot air, the plastic particles are fully and effectively and quickly dried, the hot air with water vapor and the plastic particles enter the inside of the cyclone separator 6 after being dried, and form a vortex centrifugal force under the action of the hollow cylinder 7 and the cone 9, so that the plastic particles are discharged through the discharge pipe 10, the hot air with water vapor is discharged through the exhaust pipe 8, and the separation of the plastic particles and the water vapor, facilitating subsequent use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a quick drying device is used in production of plastic woven sack raw materials, includes circulating fluidized bed furnace body (1) and air heater (2), its characterized in that: the circulating fluidized bed furnace body is characterized in that a spiral conveyor (3) is installed on the lateral portion of the circulating fluidized bed furnace body (1), the discharge end of the spiral conveyor (3) is communicated with the lateral wall of the circulating fluidized bed furnace body (1), an air heater (2) is installed on the lateral portion of the circulating fluidized bed furnace body (1), the air outlet end of the air heater (2) is communicated with the lower wall of the circulating fluidized bed furnace body (1), an air distribution plate (4) is installed inside the circulating fluidized bed furnace body (1), an air cap (5) is welded on the upper portion of the air distribution plate (4) in an equidistant mode, a cyclone separator (6) is communicated with the upper lateral portion of the circulating fluidized bed furnace body (1), the cyclone separator (6) comprises a hollow cylinder (7), an exhaust pipe (8) and a cone (9), the lateral portion of the hollow cylinder (7) is communicated with the circulating fluidized bed furnace body (1), the exhaust pipe (8) is communicated with the upper portion of the hollow cylinder, the cone (9) is arranged at the lower part of the hollow cylinder (7), and the lower part of the cone (9) is communicated with a discharge pipe (10).
2. The quick drying device is used in production of plastic woven sack raw materials of claim 1 characterized in that: the outer sides of the circulating fluidized bed furnace body (1) and the cyclone separator (6) are covered with heat insulation cotton layers (11).
3. The quick drying device is used in production of plastic woven sack raw materials of claim 1 characterized in that: and an electric regulating valve (12) and a gas flowmeter (13) are installed at the discharge end of the air heater (2).
4. The quick drying device is used in production of plastic woven sack raw materials of claim 1 characterized in that: the middle part of the air distribution plate (4) is provided with a through hole (14) matched with the air cap (5), and ribs (15) are arranged between the outer side of the air distribution plate (4) and the inner wall of the circulating fluidized bed furnace body (1).
5. The quick drying device is used in production of plastic woven sack raw materials of claim 1 characterized in that: the ratio of the common length of the cone (9) and the hollow cylinder (7) to the length of the exhaust pipe (8) inserted into the hollow cylinder (7) is 1:2-1: 3.
6. The quick drying device is used in production of plastic woven sack raw materials of claim 1 characterized in that: arrange the mid-mounting of material pipe (10) and have two sets of butterfly valve (16), and two sets of butterfly valve (16) are arranged from last to bottom for arranging material pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920918403.2U CN210242171U (en) | 2019-06-19 | 2019-06-19 | Quick drying device is used in production of plastic woven sack raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920918403.2U CN210242171U (en) | 2019-06-19 | 2019-06-19 | Quick drying device is used in production of plastic woven sack raw materials |
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| Publication Number | Publication Date |
|---|---|
| CN210242171U true CN210242171U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920918403.2U Active CN210242171U (en) | 2019-06-19 | 2019-06-19 | Quick drying device is used in production of plastic woven sack raw materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713358A (en) * | 2022-02-24 | 2022-07-08 | 淄博金通电力科技有限公司 | Separator for removing over-hard particles in coarse-grained pulverized coal |
-
2019
- 2019-06-19 CN CN201920918403.2U patent/CN210242171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713358A (en) * | 2022-02-24 | 2022-07-08 | 淄博金通电力科技有限公司 | Separator for removing over-hard particles in coarse-grained pulverized coal |
| CN114713358B (en) * | 2022-02-24 | 2022-09-20 | 淄博金通电力科技有限公司 | Separator for removing over-hard particles in coarse-grained pulverized coal |
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