CN210851263U

CN210851263U - Large-scale pipe extruder die heat recovery utilizes device

Info

Publication number: CN210851263U
Application number: CN201921921632.6U
Authority: CN
Inventors: 陈新军
Original assignee: Shaanxi Ganlin Industrial Co ltd
Current assignee: Shaanxi Ganlin Industrial Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-26
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to a chemical industry equipment, concrete large-scale tubular product extruder die heat recovery utilizes device. The pipe extrusion machine comprises an air inlet pump (1), an air suction pump (2), an air inlet pipe (3), an air suction pipe (4), an air energy heat pump (6) and a drying hopper (7), wherein the air inlet pipe (3) and the air suction pipe (4) are arranged in a core die in a pipe extrusion machine head, one ends of the air inlet pipe (3) and the air suction pipe (4) extend out of one end, close to a pipe outlet, of the core die, and the other ends of the air inlet pipe (3) and the air suction pipe (4) are respectively connected with the air inlet pump (1) and the air suction pump (2; an exhaust port of the air pump (2) is connected with an air inlet of the air energy heat pump (6) through a pipeline, and an air outlet of the air energy heat pump (6) points to the drying hopper (7) through the pipeline. The utility model discloses can cool off in the tubular product promptly from the tubular product when tubular product is extruded, reduce the upper and lower pipe wall thickness difference that tubular product high temperature curtain coating caused, discharge the heat of extruder bush department and utilize simultaneously.

Description

Large-scale pipe extruder die heat recovery utilizes device

Technical Field

The utility model relates to a chemical industry equipment, concrete large-scale tubular product extruder die heat recovery utilizes device.

Background

The pipe is formed by extruding the mixture through a neck mold and a core mold by an extruder and then performing vacuum cooling and shaping. After the pipe is extruded through the mouth die and before the pipe enters the vacuum shaping device, because the temperature of the pipe is very high, the casting phenomenon can occur under the action of gravity, so that the thickness of the lower wall of the pipe is greater than that of the upper wall, the phenomenon is more obvious when the large pipe is processed, namely the large pipe is large in size and thick in pipe wall, the required cooling time is longer, and the difference of the wall thickness is more obvious. Meaning that the heat of the pipe immediately after extrusion is not beneficial, and if the heat can be quickly removed or further utilized, it is beneficial for the quality of the product and energy conservation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale pipe extruder bush heat recovery utilizes device, solve current large-scale pipe extruder when extruding tubular product, the heat is higher, causes the tubular product curtain coating to make wall thickness inequality about the tubular product to and the heat of here unnecessary unable problem of utilizing again.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the device for recycling the heat of the mouth die of the large-scale pipe extruder comprises an air inlet pump, an air suction pump, an air inlet pipe, an air suction pipe, an air energy heat pump and a drying hopper, wherein the air inlet pipe and the air suction pipe are arranged in a core die in a pipe extruder head; an air outlet of the air pump is connected with an air inlet of the air energy heat pump through a pipeline, and an air outlet of the air energy heat pump points to the drying hopper through the pipeline.

Intake pipe and exhaust tube stretch out in the one end of mandrel, can just cool off tubular product from the inside of tubular product when tubular product just has been extruded, wherein the intake pipe inwards carries cold air through the air intake pump, and the exhaust pump is taken out steam from inside through the exhaust tube to this realization is to the rapid cooling of tubular product, reduces the curtain coating phenomenon, reduces the wall thickness difference of going up. The air pump pumps heat out and then is utilized by the air energy heat pump, the air energy heat pump body is in the prior art, the air energy heat pump body can absorb heat transmitted by the air pump and heat of ambient air, then the heat is transmitted to the drying hopper through a pipeline, the drying hopper can preheat or dry materials, and therefore the heat at the mouth mold of the extruder is discharged and utilized.

Preferably, the air inlet pipe consists of a main pipe and auxiliary pipes, the auxiliary pipes are uniformly distributed around the central axis of the core mold in the circumferential direction, one end of each auxiliary pipe extends out of one end of the core mold close to the pipe outlet, the other end of each auxiliary pipe is communicated with the main pipe, and the main pipe is connected with the air inlet pump through a pipeline.

Preferably, the diameter of the secondary pipe is gradually reduced from top to bottom. The air inlet of the auxiliary pipe can impact the pipe wall to thin the pipe wall, the diameter of the auxiliary pipe is gradually reduced from top to bottom, the pressure on the pipe wall is gradually increased from top to bottom, and the thickness of the lower wall is larger than that of the upper wall to adapt to the casting phenomenon of the pipe due to the gravity action.

Preferably, the air inlet pipe and the air exhaust pipe extend out of one end of the core mould and are provided with filter screens. The pipe material is prevented from blocking the air inlet pipe and the air exhaust pipe.

Preferably, the filter screen is in a cover shape and is covered on the end parts of the air inlet pipe and the air exhaust pipe through threads. And (4) disassembling the filter screen, and cleaning the filter screen.

Preferably, the outer walls of the air inlet pipe and the air exhaust pipe are connected with the core mold through threads. The air inlet pipe and the air exhaust pipe are convenient to detach from the core mold for maintenance.

Preferably, the drying hopper is internally provided with an auger driven by a motor, so that the materials can be stirred, and the drying efficiency is improved.

Compared with the prior art, the utility model discloses can produce following beneficial effect at least: the utility model can cool the pipe when the pipe is extruded, reduce the thickness difference of the upper and lower pipe walls caused by the high temperature flow casting of the pipe, and simultaneously discharge and utilize the heat at the mouth mold of the extruder; the utility model discloses convenient to detach and maintenance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

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.

Fig. 1 shows the structure of the large pipe extruder die heat recycling device, and several examples are listed below with reference to the figures.

Example 1:

large-scale tubular product extruder die heat recovery utilizes device, including air intake pump 1, aspiration pump 2, intake pipe 3, exhaust tube 4, intake pipe 3 and exhaust tube 4 set up in the core mould in the tubular product extruder head, the one end of intake pipe 3 and exhaust tube 4 stretches out in the core mould by the one end of tubular product export, the other end of intake pipe 3 and exhaust tube 4 passes through the pipeline and is connected with air intake pump 1, aspiration pump 2 respectively. The air inlet pump 1 is responsible for supplying air, and the air exhaust pipe 4 is responsible for exhausting air. An air outlet of the air pump 2 is connected with an air inlet of the air-source heat pump 6 through a pipeline, and an air outlet of the air-source heat pump 6 points to the drying hopper 7 through a pipeline.

The air inlet pump 1 and the air suction pump 2 are both in the prior art, and air pumps with proper models can be selected according to the actual size of a pipe, such as a Colebert 110v air pump, a YX550H-30 air pump, a 4RB 620 series vortex air pump and the like. The air energy heat pump can adopt a household air source heat pump produced by Shandong LvTe air conditioning system Co., Ltd, an integral air energy heat pump dryer produced by Zhejiang Zhi En electronic technology Co., Ltd, and the like, and is not limited.

Example 2:

large-scale tubular product extruder die heat recovery utilizes device, including pump 1, aspiration pump 2, intake pipe 3, exhaust tube 4 admit air, intake pipe 3 and exhaust tube 4 set up in the core mould in the tubular product extruder head, the one end of intake pipe 3 and exhaust tube 4 stretches out in the core mould leans on the one end of tubular product export, the other end of intake pipe 3 and exhaust tube 4 passes through the pipeline and is connected with pump 1, aspiration pump 2 respectively, pump 1 admit air is responsible for supplying gas, exhaust tube 4 are responsible for bleeding. The air inlet pipe 3 is composed of a main pipe 3-1 and auxiliary pipes 3-2, the auxiliary pipes 3-2 are evenly distributed around the central axis of the core mold in the circumferential direction, the diameters of the auxiliary pipes 3-2 from top to bottom are gradually reduced, one end of each auxiliary pipe 3-2 extends out of one end, close to a pipe outlet, of the core mold, the other end of each auxiliary pipe 3-2 is communicated with the main pipe 3-1, and the main pipe 3-1 is connected with the air inlet pump 1 through a pipeline. An air outlet of the air pump 2 is connected with an air inlet of the air-source heat pump 6 through a pipeline, and an air outlet of the air-source heat pump 6 points to the drying hopper 7 through a pipeline.

Example 3:

large-scale tubular product extruder oral cavity mould heat recovery utilizes device, including admitting air pump 1, aspiration pump 2, intake pipe 3, exhaust tube 4, intake pipe 3 and exhaust tube 4 set up in the core mould in the tubular product extruder head, the one end of intake pipe 3 and exhaust tube 4 stretches out in the one end that the tubular product exported in the core mould to, intake pipe 3 and exhaust tube 4 stretch out all to be provided with filter screen 5 in the one end department of core mould, and filter screen 5 is the lid form, through the tip of screw cap in intake pipe 3 and exhaust tube 4. The other ends of the air inlet pipe 3 and the air exhaust pipe 4 are respectively connected with the air inlet pump 1 and the air exhaust pump 2 through pipelines, the air inlet pump 1 is responsible for air supply, and the air exhaust pipe 4 is responsible for air exhaust. The air inlet pipe 3 is composed of a main pipe 3-1 and auxiliary pipes 3-2, the auxiliary pipes 3-2 are evenly distributed around the central axis of the core mold in the circumferential direction, the diameters of the auxiliary pipes 3-2 from top to bottom are gradually reduced, one end of each auxiliary pipe 3-2 extends out of one end, close to a pipe outlet, of the core mold, the other end of each auxiliary pipe 3-2 is communicated with the main pipe 3-1, and the main pipe 3-1 is connected with the air inlet pump 1 through a pipeline. An air outlet of the air pump 2 is connected with an air inlet of the air-source heat pump 6 through a pipeline, and an air outlet of the air-source heat pump 6 points to the drying hopper 7 through a pipeline.

The most preferred embodiment is as follows:

large-scale tubular product extruder oral cavity mould heat recovery utilizes device, including pump 1, aspiration pump 2, intake pipe 3, exhaust tube 4 admit air, intake pipe 3 and exhaust tube 4 set up in the core mould in the tubular product extruder head, through threaded connection between the outer wall of intake pipe 3 and exhaust tube 4 and the core mould, the one end of intake pipe 3 and exhaust tube 4 stretches out in the one end that the tubular product exported in the core mould, and intake pipe 3 and exhaust tube 4 stretch out all are provided with filter screen 5 in the one end department of core mould, and filter screen 5 is the lid form, through the tip of screw cap in intake pipe 3 and exhaust tube 4. The other ends of the air inlet pipe 3 and the air exhaust pipe 4 are respectively connected with the air inlet pump 1 and the air exhaust pump 2 through pipelines, the air inlet pump 1 is responsible for air supply, and the air exhaust pipe 4 is responsible for air exhaust. The air inlet pipe 3 is composed of a main pipe 3-1 and auxiliary pipes 3-2, the auxiliary pipes 3-2 are evenly distributed around the central axis of the core mold in the circumferential direction, the diameters of the auxiliary pipes 3-2 from top to bottom are gradually reduced, one end of each auxiliary pipe 3-2 extends out of one end, close to a pipe outlet, of the core mold, the other end of each auxiliary pipe 3-2 is communicated with the main pipe 3-1, and the main pipe 3-1 is connected with the air inlet pump 1 through a pipeline. An air outlet of the air pump 2 is connected with an air inlet of the air-source heat pump 6 through a pipeline, and an air outlet of the air-source heat pump 6 points to the drying hopper 7 through a pipeline. And an auger 8 driven by a motor is arranged in the drying hopper 7.

Reference throughout this specification to multiple illustrative embodiments means that a particular structure described in connection with the embodiments is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, while a structure has been described in connection with any one embodiment, it is to be understood that it is within the scope of the invention to implement such structure in connection with other embodiments.

Claims

1. Large-scale tubular product extruder die heat recovery utilizes device, its characterized in that: the pipe extrusion machine comprises an air inlet pump (1), an air suction pump (2), an air inlet pipe (3), an air suction pipe (4), an air energy heat pump (6) and a drying hopper (7), wherein the air inlet pipe (3) and the air suction pipe (4) are arranged in a core die in a pipe extrusion machine head, one ends of the air inlet pipe (3) and the air suction pipe (4) extend out of one end, close to a pipe outlet, of the core die, and the other ends of the air inlet pipe (3) and the air suction pipe (4) are respectively connected with the air inlet pump (1) and the air suction pump (2) through; an air outlet of the air pump (2) is connected with an air inlet of the air energy heat pump (6) through a pipeline, and an air outlet of the air energy heat pump (6) points to the drying hopper (7) through a pipeline.

2. The large pipe extruder die heat recycling device according to claim 1, characterized in that: the air inlet pipe (3) is composed of a main pipe (3-1) and auxiliary pipes (3-2), the auxiliary pipes (3-2) are evenly distributed around the central axis of the core mold in the circumferential direction, one end of each auxiliary pipe (3-2) extends out of one end, close to the pipe outlet, of the core mold, the other end of each auxiliary pipe is communicated with the main pipe (3-1), and the main pipe (3-1) is connected with the air inlet pump (1) through a pipeline.

3. The large pipe extruder die heat recycling device according to claim 2, characterized in that: the diameter of the secondary pipe (3-2) is gradually reduced from top to bottom.

4. The large pipe extruder die heat recycling device according to claim 1, characterized in that: and the air inlet pipe (3) and the air exhaust pipe (4) are provided with filter screens (5) at one end extending out of the core mold.

5. The large pipe extruder die heat recycling device according to claim 4, characterized in that: the filter screen (5) is in a cover shape and covers the end parts of the air inlet pipe (3) and the air exhaust pipe (4) through threads.

6. The large pipe extruder die heat recycling device according to claim 1, characterized in that: the outer walls of the air inlet pipe (3) and the air exhaust pipe (4) are connected with the core mold through threads.

7. The large pipe extruder die heat recycling device according to claim 1, characterized in that: and an auger (8) driven by a motor is arranged in the drying hopper (7).