Flame-retardant PE cable material drying device

Abstract

The utility model discloses a flame-retardant PE cable material drying device which comprises a drying box, an air delivery pump, a preheating box, a heating and drying mechanism, a rotating mechanism, a heat recycling mechanism and a second spiral pipe, the air delivery pump and the preheating box are arranged on the right side of the drying box, the air suction end of the air delivery pump is connected with the second spiral pipe, and the second spiral pipe penetrates through the preheating box. An exhaust pipe is arranged on the preheating box, the exhaust end of the air conveying pump is connected with a heating and drying mechanism, the heating and drying mechanism extends into the drying box, a rotating mechanism connected with the heating and drying mechanism is installed on the drying box, a steam exhaust pipe is arranged at the top of the drying box, and a heat recycling mechanism extending into the preheating box is connected to the steam exhaust pipe. According to the utility model, materials are conveniently dried, heat of high-temperature steam is conveniently recycled, and the utilization rate of energy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flame-retardant PE cable production, in particular to a flame-retardant PE cable material drying device. Background Art

[0002] Flame-retardant PE cable refers to a cable that, under specified test conditions, when the sample is burned, after the test fire source is removed, the spread of the flame is only within a limited range, and the residual flame or residual burning can extinguish itself within a limited time.

[0003] The outer casing of a flame-retardant cable is made of a variety of materials to ensure excellent flame retardancy. Before manufacturing the outer casing of a flame-retardant cable, the various raw material particles need to be dried to remove moisture. Currently, hot air is mostly used to dry the raw materials, which produces a large amount of high-temperature steam during drying. The high-temperature steam is directly discharged into the air, resulting in heat waste. Therefore, in view of the above situation, there is an urgent need to develop a flame-retardant PE cable material drying device that can conveniently dry the material, easily recycle the heat of the high-temperature steam, and improve energy utilization, so as to overcome the shortcomings in current practical applications and meet current needs. Utility Model Content

[0004] The purpose of the utility model is to provide a flame retardant PE cable material drying device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The heat dissipation device of claim 1, wherein the heat dissipation device is configured to dissipate heat from the heat source to the outlet port of the drying box, wherein the heat dissipation device is configured to dissipate heat from the heat source to the outlet port of the drying box. The heat dissipation device is configured to dissipate heat from the heat source to the outlet port of the drying box.

[0007] The heating and drying mechanism includes: a first spiral tube, a heating rod, a delivery tube, a diverter tube, a branch tube, and an air outlet. The lower end of the first spiral tube is connected to the exhaust end of the air pump. The heating rod is installed in the first spiral tube. The upper end of the first spiral tube is connected to the delivery tube. The diverter tube is rotatably connected to the drying box. The upper end of the diverter tube is inserted into the delivery tube. The diverter tube is rotatably connected to the delivery tube. A plurality of branch tubes are installed on the diverter tube, and a plurality of air outlets are provided on the branch tubes.

[0008] The rotating mechanism includes: a driving motor, a first gear and a second gear. The driving motor is fixed to the top of the drying box. The first gear is installed on the output shaft of the driving motor. A second gear meshing with the first gear is installed on one side of the first gear. The second gear is installed on the diversion pipe.

[0009] Preferably, the first spiral tube and the second spiral tube are both made of copper.

[0010] Preferably, an end cover is detachably mounted on the top of the drying box, and a plug is detachably mounted on the bottom of the drying box.

[0011] The beneficial effects of the present invention are as follows: when the flame retardant PE cable material drying device is used, the material is added into the drying box, the air delivery pump sucks the outside air into the first spiral tube through the second spiral tube, the air flow is heated by the heating rod, the hot air flow enters the shunt pipe and the branch pipe through the delivery pipe, and the hot air is blown into the drying box through the air outlet to heat and dry the material, at the same time, the first gear and the second gear are driven by the driving motor to rotate, and the shunt pipe and the branch pipe are driven by the second gear to rotate, so that the air flow blown out of the air outlet contacts the material in the drying box more fully, thereby improving the drying efficiency, the high-temperature steam generated by the drying is discharged from the steam discharge pipe into the guide pipe and the annular tube, and the high-temperature steam is blown into the second spiral tube through the blowing hole to heat it, so that the second spiral tube heats the air flow passing through it, thereby increasing the suction temperature of the air delivery pump, and then the heating and drying mechanism performs secondary heating on the air flow, further increasing the temperature of the air flow, thereby achieving better drying effect. In summary, the present invention is convenient for drying materials, convenient for recycling the heat of the high-temperature steam, and improves the utilization rate of energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0013] Figure 2 This is an internal view of the drying box in the present invention.

[0014] Figure 3 This is a partial structural diagram of the utility model Figure 1 .

[0015] Figure 4 It is the internal view of the preheating box in the utility model.

[0016] Figure 5 It is the partial structure schematic of the utility model Figure 2 .

[0017] Legend:

[0018] 1, drying box; 101, steam exhaust pipe; 2, end cover; 3, gas conveying pump; 4, preheating box; 401, exhaust pipe; 5, heating and drying mechanism; 501, first spiral pipe; 502, heating rod; 503, conveying pipe; 504, shunt pipe; 505, branch pipe; 506, air outlet hole; 6, rotating mechanism; 601, driving motor; 602, first gear; 603, second gear; 7, heat recycling mechanism; 701, flow guide pipe; 702, annular pipe; 703, air blowing hole; 8, second spiral pipe; 9, plug. Specific implementation

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The specific embodiments are given below.

[0021] Reference is made to Figures 1 to 5In the embodiment of the utility model, a flame-retardant PE cable material drying device includes a drying box 1, an air pump 3, a preheating box 4, a heating and drying mechanism 5, a rotating mechanism 6, a heat recovery mechanism 7 and a second spiral tube 8. The top of the drying box 1 is detachably installed with an end cover 2. By removing the end cover 2, materials can be added to the drying box 1. The bottom of the drying box 1 is detachably installed with a plug 9. By removing the plug 9, the materials in the drying box 1 can be discharged. The right side of the drying box 1 is provided with an air pump 3 and a preheating box 4. The suction end of the air pump 3 is connected to the second spiral tube 8, which passes through the preheating box 4. The exhaust end of the air pump 3 is connected to the heating and drying mechanism 5. The heating and drying mechanism 5 extends into the drying box 1. The drying box 1 is provided with a rotating mechanism 6 connected to the heating and drying mechanism 5. The top of the drying box 1 is provided with a steam The exhaust pipe 101 is connected to the steam exhaust pipe 101 and is connected to a heat recovery mechanism 7 extending into the preheating box 4. The preheating box 4 is provided with an exhaust pipe 401. When in use, the material is added to the drying box 1, and the air is sucked into the heating and drying mechanism 5 by the air pump 3. The air is heated by the heating and drying mechanism 5 and then transported to the drying box 1. The material in the drying box 1 is heated and dried by hot air. The high-temperature steam generated by drying is discharged from the steam exhaust pipe 101 to the heat recovery mechanism 7. The high-temperature steam is transported to the preheating box 4 through the heat recovery mechanism 7 to heat the second spiral tube 8, so that the second spiral tube 8 heats the airflow passing through it, thereby increasing the suction temperature of the air pump 3. Then, the heating and drying mechanism 5 performs secondary heating on the airflow to further increase the temperature of the airflow, so that the drying effect is better.

[0022] The heating and drying mechanism 5 includes: a first spiral tube 501, a heating rod 502, a delivery pipe 503, a diverter pipe 504, a branch pipe 505 and an air outlet 506. The lower end of the first spiral tube 501 is connected to the exhaust end of the air pump 3. The heating rod 502 is installed in the first spiral tube 501. The upper end of the first spiral tube 501 is connected to the delivery pipe 503. The diverter pipe 504 is rotatably connected to the drying box 1. The upper end of the diverter pipe 504 is inserted into the delivery pipe 503. 03, the diversion pipe 504 is rotatably connected to the delivery pipe 503, and a plurality of branch pipes 505 are installed on the diversion pipe 504, and a plurality of air outlet holes 506 are provided on the branch pipes 505. When in use, the air pump 3 delivers the air flow to the first spiral tube 501, and heats the air flow through the heating rod 502. The hot air flow enters the diversion pipe 504 and the branch pipe 505 through the delivery pipe 503, and blows the hot air into the drying box 1 through the air outlet holes 506 to heat and dry the material.

[0023] The rotating mechanism 6 includes: a driving motor 601, a first gear 602 and a second gear 603. The driving motor 601 is fixed to the top of the drying box 1. The first gear 602 is installed on the output shaft of the driving motor 601. A second gear 603 meshing with the first gear 602 is installed on one side of the first gear 602. The second gear 603 is installed on the diverter pipe 504. When in use, the driving motor 601 drives the first gear 602 and the second gear 603 to rotate, and the second gear 603 drives the diverter pipe 504 and the branch pipe 505 to rotate, so that the airflow blown out of the air outlet 506 is in more complete contact with the material in the drying box 1, thereby improving the drying efficiency.

[0024] The heat recovery and utilization mechanism 7 includes: a guide pipe 701, an annular pipe 702 and an air blowing hole 703. The upper end of the guide pipe 701 is connected to the steam discharge pipe 101, and the lower end of the guide pipe 701 is inserted into the preheating box 4. A plurality of annular pipes 702 are installed on the guide pipe 701. A plurality of air blowing holes 703 are provided on the inner side of each of the annular pipes 702. The second spiral pipe 8 passes through the inner side of the annular pipe 702. When in use, high-temperature steam enters the guide pipe 701 and the annular pipe 702 from the steam discharge pipe 101, and is blown to the second spiral pipe 8 through the air blowing holes 703 to heat it.

[0025] The first spiral tube 501 and the second spiral tube 8 are both made of copper, which has good thermal conductivity.

[0026] Working principle: When the flame retardant PE cable material drying device is used, the material is added into the drying box 1, the air delivery pump 3 sucks the outside air through the second spiral tube 8 and delivers it to the first spiral tube 501, the air flow is heated by the heating rod 502, and the hot air flows through the delivery pipe 503 into the diverter pipe 504 and the branch pipe 505, and the hot air is blown into the drying box 1 through the air outlet 506 to heat and dry the material. At the same time, the first gear 602 and the second gear 603 are driven to rotate by the driving motor 601, and the diverter pipe 504 is driven by the second gear 603. , the branch pipe 505 rotates, so that the air flow blown out of the air outlet 506 contacts the material in the drying box 1 more fully, thereby improving the drying efficiency. The high-temperature steam generated by drying is discharged from the steam exhaust pipe 101 to the guide pipe 701 and the annular pipe 702, and the high-temperature steam is blown to the second spiral tube 8 through the blowing hole 703 to heat it, so that the second spiral tube 8 heats the air flow passing through it, thereby increasing the suction temperature of the air pump 3. Then, the heating and drying mechanism 5 performs secondary heating on the air flow to further increase the temperature of the air flow, thereby achieving a better drying effect.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flame retardant PE cable material drying device, characterized in that: The invention comprises a drying box (1), an air delivery pump (3), a preheating box (4), a heating and drying mechanism (5), a rotating mechanism (6), a heat recovery mechanism (7) and a second spiral tube (8). The air delivery pump (3) and the preheating box (4) are arranged on the right side of the drying box (1). The air suction end of the air delivery pump (3) is connected to the second spiral tube (8). The second spiral tube (8) passes through the preheating box (4). The preheating box (4) is provided with an exhaust pipe (401). The exhaust end of the air delivery pump (3) is connected to the heating and drying mechanism (5). The heating and drying mechanism (5) extends into the drying box (1). The drying box (1) is provided with a rotating mechanism (6) connected to the heating and drying mechanism (5). The top of the drying box (1) is provided with a steam exhaust pipe (101), and the steam exhaust pipe (101) is connected to a heat recovery mechanism (7) extending into the preheating box (4), and the heat recovery mechanism (7) comprises: a guide pipe (701), an annular pipe (702) and an air blowing hole (703), the upper end of the guide pipe (701) is connected to the steam exhaust pipe (101), and the lower end of the guide pipe (701) is inserted into the preheating box (4), and a plurality of annular pipes (702) are installed on the guide pipe (701), and the inner side of each of the annular pipes (702) is provided with a plurality of air blowing holes (703), and the second spiral pipe (8) passes through the inner side of the annular pipe (702); The heating and drying mechanism (5) comprises: a first spiral tube (501), a heating rod (502), a delivery tube (503), a diverter tube (504), a branch tube (505) and an air outlet (506); the lower end of the first spiral tube (501) is connected to the exhaust end of the air delivery pump (3); the heating rod (502) is installed in the first spiral tube (501); the upper end of the first spiral tube (501) is connected to the delivery tube (503); the diverter tube (504) is rotatably connected to the drying box (1); the upper end of the diverter tube (504) is inserted into the delivery tube (503); the diverter tube (504) is rotatably connected to the delivery tube (503); a plurality of branch tubes (505) are installed on the diverter tube (504); and a plurality of air outlets (506) are provided on the branch tubes (505); The rotating mechanism (6) comprises: a driving motor (601), a first gear (602) and a second gear (603); the driving motor (601) is fixed to the top of the drying box (1); the first gear (602) is mounted on the output shaft of the driving motor (601); a second gear (603) meshing with the first gear (602) is mounted on one side of the first gear (602); and the second gear (603) is mounted on the shunt pipe (504).

2. The flame retardant PE cable material drying device according to claim 1, characterized in that: The first spiral tube (501) and the second spiral tube (8) are both made of copper.

3. The flame retardant PE cable material drying device according to claim 1, characterized in that: An end cover (2) is detachably mounted on the top of the drying box (1), and a plug (9) is detachably mounted on the bottom of the drying box (1).

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