CN210116149U

CN210116149U - Energy-saving environment-friendly blow-down pipeline cooling forming device

Info

Publication number: CN210116149U
Application number: CN201921044925.0U
Authority: CN
Inventors: 刘长春
Original assignee: Yunnan Dianhuai Technology Development Co Ltd
Current assignee: Yunnan Dianhuai Technology Development Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-02-28
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses an energy-saving and environment-friendly cooling and forming device for a sewage pipeline, which comprises a feeding box and an extrusion cavity which is arranged below the feeding box and is communicated with the feeding box; an extrusion screw is arranged in the extrusion cavity; the extrusion screw is driven by a motor to rotate; the discharge end of the extrusion cavity is connected with a forming cavity; the discharge end of the molding cavity is also connected with a demolding cavity; a core mould is arranged in the forming cavity; a heat dissipation sleeve is arranged outside the shell of the forming cavity; a heat dissipation cavity is formed between the heat dissipation sleeve and the shell; a raw material channel is formed between the core mold and the shell; a precooling air pipe is also arranged in the heat dissipation cavity; one end of the precooling air pipe extends out of the heat dissipation sleeve; the other end of the precooling air pipe extends out of the heat dissipation sleeve and then is connected with the condensation dehumidifying mechanism; the utility model discloses some cooling methods that have adopted at present have cooling water cooling etc. to have solved, but these cooling methods all have the problem that the cooling is inhomogeneous and energy utilization is low.

Description

Energy-saving environment-friendly blow-down pipeline cooling forming device

Technical Field

The utility model relates to a drainage sewage pipes production and processing equipment technical field, concretely relates to energy-concerving and environment-protective type sewage pipes cooling forming device.

Background

The HDPE steel band reinforced winding drain pipe is a novel pipe formed by winding high-density polyethylene and a steel band serving as raw materials through hot extrusion molding. The novel plastic pipe has the characteristics of good corrosion resistance, smooth inner wall, small flow resistance and the like of a common plastic pipe, has excellent high rigidity, high strength and good toughness due to the adoption of a special V-shaped steel belt structure, has the characteristics of light weight, strong impact resistance, difficult damage and the like, is used as a novel plastic pipe, is very suitable for the drainage pipeline engineering fields such as rainwater, sewage and wastewater discharge systems and the like due to the high ring rigidity of the steel belt reinforced polyethylene wound drainage pipe, and can be called as an industrial innovation by replacing a single plastic pipe with a steel-plastic composite structural pipe. The new construction brings many benefits such as higher ring stiffness, lighter weight and greatly reduced tubing costs.

The production of the prior HDPE pipeline is carried out by adopting an extrusion forming mode, the raw materials are firstly melted and extruded, then the formed pipe is cooled, and the cooling modes adopted at present are cooling water and the like, but the cooling modes have the problems of uneven cooling and low efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-concerving and environment-protective type sewage pipes cooling forming device solves some cooling methods that adopt at present and has cooling water etc. but these cooling methods all have the problem that the cooling is inhomogeneous and energy utilization is low.

In order to solve the technical problem, the utility model adopts the following technical scheme: an energy-saving environment-friendly blow-down pipeline cooling forming device comprises a feeding box and an extrusion cavity which is arranged below the feeding box and communicated with the feeding box; an extrusion screw is arranged in the extrusion cavity; the extrusion screw is driven by a motor to rotate; the discharge end of the extrusion cavity is connected with a forming cavity; the discharge end of the molding cavity is also connected with a demolding cavity; a core mould is arranged in the forming cavity; a heat dissipation sleeve is arranged outside the shell of the forming cavity; a heat dissipation cavity is formed between the heat dissipation sleeve and the shell; a raw material channel is formed between the core mold and the shell; a precooling air pipe is also arranged in the heat dissipation cavity; one end of the precooling air pipe extends out of the heat dissipation sleeve; the other end of the precooling air pipe extends out of the heat dissipation sleeve and then is connected with the condensation dehumidifying mechanism;

further, the precooling air pipe is spirally wound in the heat dissipation cavity; both ends of the precooling air pipe extend out of the same side of the heat dissipation sleeve;

furthermore, the condensation and dehumidification mechanism comprises a box body, a vacuum pump, a connecting pipe and a condensing pipe; the condensation pipe is arranged in the box body; the vacuum pump is arranged at one end in the box body; one end of the condensing pipe is connected with a vacuum pump through a connecting pipe; the other end of the condenser pipe is communicated with a precooling air pipe;

furthermore, the outer wall of the condensation pipe is provided with corrugations; a liquid outlet is formed in the lower part of one end, close to the vacuum pump, of the condensation pipe;

furthermore, a liquid outlet pipe is arranged at the lower part of one end of the box body, which is close to the vacuum pump; a valve is arranged on the liquid outlet pipe;

furthermore, a top cover of the box body is provided with a through hole; the side wall of the box body is also provided with an observation window;

the further technical proposal is that the inner diameter of the demoulding cavity is matched with the outer diameter of the pipeline; and a plurality of air holes are formed in the wall of the demolding cavity.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

1. after the extrusion cavity extrudes the molten raw material from the discharge end, the molten raw material enters between the core mold and the shell of the molding cavity, and at the moment, the heat dissipation sleeve can pre-cool and dissipate heat in the molding cavity, so that the cooling molding efficiency is improved;

2. the heat dissipation cavity formed between the heat dissipation sleeve and the forming cavity shell can be used for dissipating heat, cooling air is guided into the heat dissipation cavity through the pre-cooling air pipe for heat exchange, and after air is heated, the air enters the condensation dehumidification mechanism through the pre-cooling air pipe to condense the hot air to generate condensed water, so that the hot air is prevented from being directly discharged into the air;

3. the potential safety hazard caused by directly discharging hot air into the air is reduced, the cooling uniformity and efficiency are improved, and the energy utilization rate is improved.

The utility model discloses a theory of operation does: after the molten raw material in the feeding box enters the extrusion cavity, the molten raw material is fed into the forming cavity by means of the spiral conveying force of the extrusion screw and enters between the core mold and the shell of the forming cavity; and formed the heat dissipation chamber between the heat dissipation sleeve that sets up outside the shaping chamber and be used for carrying out cooling treatment to melting fashioned raw materials, at this moment, start the vacuum pump, cold air gets into the heat dissipation intracavity through the precooling tuber pipe, carries out the heat exchange at the heat dissipation intracavity, and during the hot-air reentrant condenser pipe of production, vapor coalesced into the comdenstion water to discharge through the leakage fluid dram of condenser pipe lower part and get into in the box, accessible drain pipe discharges after the comdenstion water gathering in the box.

Drawings

Fig. 1 is a front sectional view of the present invention.

FIG. 2 is a schematic view of a condensing and dehumidifying mechanism.

Fig. 3 is a schematic structural diagram of the box body.

In the drawings: 1. a feeding box; 2. an extrusion chamber; 3. extruding a screw; 4. a molding cavity; 5. demolding; 6. a core mold; 7. a housing; 8. a heat dissipating sleeve; 9. a heat dissipation cavity; 10. a feed channel; 11. pre-cooling an air pipe; 12. a condensing and dehumidifying mechanism; 13. a box body; 14. a vacuum pump; 15. a connecting pipe; 16. a condenser tube; 17. corrugation; 18. a liquid discharge port; 19. a liquid outlet pipe; 20. a valve; 21. a top cover; 22. a through hole; 23. an observation window; 24. and (4) air holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1: as shown in fig. 1 to 2, an energy-saving and environment-friendly cooling and forming device for a sewage pipeline comprises a feeding box 1 and an extrusion cavity 2 which is arranged below the feeding box 1 and communicated with the feeding box 1; an extrusion screw 3 is arranged in the extrusion cavity 2; the extrusion screw 3 is driven by a motor to rotate; the discharge end of the extrusion cavity 2 is connected with a forming cavity 4; the discharge end of the molding cavity 4 is also connected with a demolding cavity 5; a core mould 6 is arranged in the forming cavity 4; a heat dissipation sleeve 8 is also arranged outside the shell 7 of the molding cavity 4; a heat dissipation cavity 9 is formed between the heat dissipation sleeve 8 and the shell 7; a raw material channel 10 is formed between the core mould 6 and the shell 7; a pre-cooling air pipe 11 is also arranged in the heat dissipation cavity 9; one end of the pre-cooling air pipe 11 extends out of the heat dissipation sleeve 8; the other end of the pre-cooling air pipe 11 extends out of the heat dissipation sleeve 8 and then is connected with the condensation dehumidifying mechanism 12. After the extrusion cavity 2 extrudes the molten raw material from the discharge end, the molten raw material enters between the core mold 6 and the shell 7 of the molding cavity 4, and at the moment, the heat dissipation sleeve 8 can pre-cool and dissipate heat in the molding cavity 4, so that the cooling molding efficiency is improved; a heat dissipation cavity 9 formed between the heat dissipation sleeve 8 and the shell 7 of the forming cavity 4 can be used for heat dissipation, cooling air is guided into the heat dissipation cavity 9 through a pre-cooling air pipe 11 for heat exchange, and after the air is heated, the air enters a condensation dehumidifying mechanism 12 through the pre-cooling air pipe 11 to condense the hot air to generate condensed water, so that the hot air is prevented from being directly discharged into the air; the potential safety hazard caused by directly discharging hot air into the air is reduced, the cooling uniformity and efficiency are improved, and the energy utilization rate is improved.

The pre-cooling air pipe 11 is spirally wound in the heat dissipation cavity 9; both ends of the pre-cooling air pipe 11 extend out from the same side of the heat dissipation sleeve 8; the spiral winding of the pre-cooling air pipe 11 is favorable for improving the heat dissipation uniformity, the total length of the pre-cooling air pipe 11 in the heat dissipation cavity 9 is prolonged, the heat exchange area is increased, the cooling efficiency is improved, the two ends of the pre-cooling air pipe 11 extend out from the same side of the heat dissipation sleeve 8, the pre-cooling air pipe 11 is convenient to connect with the condensation dehumidifying mechanism 12, and meanwhile, the air outside the pre-heating cavity can be conveniently sucked.

The condensation and dehumidification mechanism 12 comprises a box body 13, a vacuum pump 14, a connecting pipe 15 and a condensation pipe 16; the condensation pipe 16 is arranged in the box body 13; the vacuum pump 14 is arranged at one end in the box body 13; one end of the condensation pipe 16 is connected with a vacuum pump 14 through a connecting pipe 15; the other end of the condenser pipe 16 is communicated with the pre-cooling air pipe 11; in this embodiment, the vacuum pump 14 is a conventional vacuum pump 14, and any reasonable structure and connection mode of the vacuum pump 14 can be adopted; in this embodiment, the outer wall of the vacuum pump 14 is fixedly disposed on the side wall of the box 13.

The vacuum pump 14 sucks air through the connecting pipe 15, the condenser pipe 16 and the pre-cooling air pipe 11, hot air generated after heat exchange enters the condenser pipe 16 and is condensed into condensed water, and the hot air is prevented from being directly discharged into the air.

The outer wall of the condensation pipe 16 is provided with corrugations 17; a liquid outlet 18 is arranged at the lower part of one end of the condensation pipe 16 close to the vacuum pump 14; the ripple 17 that sets up on the outer wall of condenser pipe 16 is favorable to increasing heat transfer area, improves the speed of condensation, and the hot-air rapid condensation of being convenient for, comdenstion water accessible drain outlet 18 discharges, and the comdenstion water can not influence vacuum pump 14's normal work.

As shown in fig. 2 and 3, a liquid outlet pipe 19 is arranged at the lower part of one end of the box body 13 close to the vacuum pump 14; a valve 20 is arranged on the liquid outlet pipe 19; the condensed water in the box body 13 can be discharged through the liquid outlet pipe 19, the valve 20 can control the discharge, and the discharged condensed water can play other roles, thereby saving energy.

A top cover 21 of the box body 13 is provided with a through hole 22; an observation window 23 is also arranged on the side wall of the box body 13; box 13 top cap 21 can be opened and overhauld the maintenance, and top cap 21 one side passes through hinge connection with box 13, and the other end downwardly extending has the card muscle can the lock on box 13 outer wall, the sealed effect of reinforcing. The through hole 22 can be used for ventilation and heat exchange, and the observation window 23 can observe the working condition inside the box body 13.

The inner diameter of the demoulding cavity 5 is matched with the outer diameter of the pipeline; a plurality of air holes 24 are formed in the wall of the demolding cavity 5; the demolding cavity 5 is used for further cooling the pipeline, a cooling device used at present can be further arranged in the demolding cavity 5, and the air holes 24 can also be used for cooling and radiating the pipeline.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. An energy-saving environment-friendly blow-down pipeline cooling forming device comprises a feeding box (1) and an extrusion cavity (2) which is arranged below the feeding box (1) and communicated with the feeding box (1); an extrusion screw (3) is arranged in the extrusion cavity (2); the extrusion screw (3) is driven by a motor to rotate; the method is characterized in that: the discharge end of the extrusion cavity (2) is connected with a forming cavity (4); the discharge end of the molding cavity (4) is also connected with a demolding cavity (5); a core mold (6) is arranged in the molding cavity (4); a heat dissipation sleeve (8) is further arranged outside the shell (7) of the molding cavity (4); a heat dissipation cavity (9) is formed between the heat dissipation sleeve (8) and the shell (7); a raw material channel (10) is formed between the core mould (6) and the shell (7); a pre-cooling air pipe (11) is also arranged in the heat dissipation cavity (9); one end of the precooling air pipe (11) extends out of the heat dissipation sleeve (8); the other end of the precooling air pipe (11) extends out of the heat dissipation sleeve (8) and then is connected with the condensation dehumidifying mechanism (12).

2. The energy-saving environment-friendly sewage pipeline cooling and forming device as claimed in claim 1, wherein: the pre-cooling air pipe (11) is spirally wound in the heat dissipation cavity (9); and two ends of the precooling air pipe (11) extend out of the same side of the heat dissipation sleeve (8).

3. The energy-saving environment-friendly sewage pipeline cooling and forming device as claimed in claim 1, wherein: the condensation and dehumidification mechanism (12) comprises a box body (13), a vacuum pump (14), a connecting pipe (15) and a condensation pipe (16); the condensation pipe (16) is arranged in the box body (13); the vacuum pump (14) is arranged at one end in the box body (13); one end of the condensation pipe (16) is connected with a vacuum pump (14) through a connecting pipe (15); the other end of the condensation pipe (16) is communicated with the pre-cooling air pipe (11).

4. The energy-saving environment-friendly sewage pipeline cooling and forming device as claimed in claim 3, wherein: the outer wall of the condensation pipe (16) is provided with corrugations (17); and a liquid outlet (18) is formed in the lower part of one end, close to the vacuum pump (14), of the condensation pipe (16).

5. The energy-saving environment-friendly sewage pipeline cooling and forming device as claimed in claim 3, wherein: a liquid outlet pipe (19) is arranged at the lower part of one end of the box body (13) close to the vacuum pump (14); and a valve (20) is arranged on the liquid outlet pipe (19).

6. The energy-saving environment-friendly sewage pipeline cooling and forming device as claimed in claim 3, wherein: a through hole (22) is formed in a top cover (21) of the box body (13); and an observation window (23) is also arranged on the side wall of the box body (13).

7. The energy-saving environment-friendly sewage pipeline cooling and forming device as claimed in claim 1, wherein: the inner diameter of the demoulding cavity (5) is matched with the outer diameter of the pipeline; the wall of the demoulding cavity (5) is provided with a plurality of air holes (24).