CN217358043U

CN217358043U - PLA material roasting furnace

Info

Publication number: CN217358043U
Application number: CN202221088301.0U
Authority: CN
Inventors: 黄湘云; 张斌; 王涛
Original assignee: Xi'an Delan High Tech Materials Co ltd
Current assignee: Xi'an Delan High Tech Materials Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-02
Anticipated expiration: 2032-05-09

Abstract

The embodiment of the utility model provides a PLA material bakes burning furnace over a slow fire, include: the combustion chamber is used for placing the PLA material and heating the PLA material; the inlet of the cooling cavity is communicated with the combustion chamber through an air pipe, the air pipe is used for guiding the gas to be treated generated by heating the PLA material into the cooling cavity, and the cooling cavity is used for cooling the gas to be treated; and the dust removal pipeline is communicated with the outlet of the cooling cavity and is used for removing dust from the cooled gas to be treated. Through setting up the combustion chamber, place the PLA material and burn in the combustion chamber, the PLA material melts earlier under the effect of high temperature, continues to add heat and becomes grey, flows to the trachea along with the gas that the burning produced in, and to flow to the cooling chamber, treats process gas through the cooling chamber and cools down the back, gets into and removes dust in the dust removal pipeline, alright with the gas direct emission after will removing dust, and this exhaust gas is pollution-free. This application provides a reasonable treatment facility for the PLA material that forms behind the preparation mould, and does not produce the polluting substances after handling, does benefit to the environmental protection.

Description

PLA material roasting furnace

Technical Field

The utility model belongs to the technical field of PLA material treatment facility, concretely relates to PLA material bakes burning furnace over a slow fire.

Background

At present, when a certain product to be cast is manufactured, a mold is generally manufactured in advance.

The existing method for manufacturing the die can be as follows: taking a PLA material as a printing raw material, and utilizing a 3D printing technology to print the PLA material according to the shape 1 of a product: 1 prints out, later covers the material of preparation mould on its lateral wall with the product of printing as the benchmark, obtains the overall structure of mould and PLA material, later, need handle above-mentioned overall structure to the PLA material that makes 3D print realizes separating with the mould, and then makes the mould.

Currently, the way to deal with the above-mentioned integral structure is to destroy the PLA material and then to separate the mould from the PLA material. Then, the separated PLA material is usually directly discarded or directly burned, and although the PLA material is a degradable environment-friendly material, the PLA material is directly burned or directly discarded, which may affect the environment, for example, direct burning may generate sinking and floating, and direct discarding may require long-term degradation to dispose of the PLA material. Therefore, at present, there is no device or method for processing PLA materials, which is most suitable for processing PLA materials.

SUMMERY OF THE UTILITY MODEL

The utility model provides a PLA material bakes burning furnace over a slow fire for there is not the most suitable device or the mode of handling the PLA material at present among the solution prior art, can realize the technical problem to the processing of PLA material.

For solving the technical problem, the embodiment of the utility model discloses a PLA material bakes burning furnace over a slow fire, include:

the combustion chamber is used for placing the PLA material and heating the PLA material;

an inlet of the cooling cavity is communicated with the combustion chamber through an air pipe, the air pipe is used for guiding the gas to be treated generated by heating the PLA material into the cooling cavity, and the cooling cavity is used for cooling the gas to be treated;

and the dust removal pipeline is communicated with the outlet of the cooling cavity and is used for removing dust from the cooled gas to be treated.

Optionally, at least two combustion ports are formed in the side wall of the combustion chamber, and each combustion port is correspondingly provided with a combustion nozzle.

Optionally, the burner tip is a gas burner tip.

Optionally, the method further includes:

the secondary combustion chamber is arranged between the combustion chamber and the air pipe and is respectively communicated with the combustion chamber and the air pipe; used for carrying out secondary heating on the gas to be treated generated by heating the PLA material.

Optionally, at least one burner tip is arranged on the side wall of the secondary combustion chamber.

Optionally, the heating temperature in the combustion chamber is 800 ℃.

Optionally, the method further includes:

and the cloth bag dust removal device is communicated with the dust removal pipeline and is used for removing dust of the gas to be treated.

Optionally, the method further includes:

and the water cooling device is coated on the outer wall of the air pipe and used for cooling the gas to be treated which circulates in the air pipe.

Optionally, the water cooling device includes:

the sleeve is sleeved on the outer side wall of the air pipe;

the spiral pipe is arranged on the inner side wall of the sleeve, is in contact with the outer wall of the air pipe and is used for cooling the gas to be treated which flows in the air pipe;

and the water supply equipment is communicated with the spiral pipe and is used for providing circulating cold water for the spiral pipe.

Optionally, the cooling cavity includes a plurality of cooling pipes arranged in an array, and the water supply device is respectively communicated with each of the cooling pipes and is configured to provide circulating cooling water for each of the cooling pipes.

The embodiment of the utility model discloses PLA material bakes burning furnace over a slow fire, include: the combustion chamber is used for placing the PLA material and heating the PLA material; an inlet of the cooling cavity is communicated with the combustion chamber through an air pipe, the air pipe is used for guiding the gas to be treated generated by heating the PLA material into the cooling cavity, and the cooling cavity is used for cooling the gas to be treated; and the dust removal pipeline is communicated with the outlet of the cooling cavity and is used for removing dust from the cooled gas to be treated. Adopt the scheme of this application, through setting up the combustion chamber, place the PLA material and burn in the combustion chamber, the PLA material melts earlier under the effect of high temperature, continues heating and becomes grey, flows to the trachea along with the gas that the burning produced in, and the chamber cools down to the flow, treats the process gas through the chamber that cools down the back, gets into dust removal pipeline in and removes dust, alright with the gas direct emission after will removing dust, and this exhaust gas is pollution-free. Adopt the technical scheme of this application, for the PLA material that forms behind the preparation mould provides a reasonable treatment facility, and does not produce the polluting substances after handling, does benefit to the environmental protection.

Drawings

Fig. 1 is a schematic structural diagram of a PLA material baking furnace provided in this embodiment.

Fig. 2 is a schematic structural diagram of another PLA material baking furnace provided in this embodiment.

In the figure, 1. a combustion chamber; 2. a cooling cavity; 3. an air tube; 4. a dust removal pipeline; 5. a combustion port; 6. a secondary combustion chamber; 7. a sleeve; 8. a spiral tube; 9. and (7) cooling the tube.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a PLA material roasting furnace provided in this embodiment. Fig. 2 is a schematic structural diagram of another PLA material baking furnace provided in this embodiment.

The embodiment of the utility model discloses the PLA material bakes burning furnace over a slow fire, include: the combustion chamber 1 is used for placing a PLA material and heating the PLA material; the inlet of the cooling cavity 2 is communicated with the combustion chamber 1 through an air pipe 3, the air pipe 3 is used for guiding the gas to be treated generated by heating the PLA material into the cooling cavity 2, and the cooling cavity 2 is used for cooling the gas to be treated; and the dust removal pipeline 4 is communicated with the outlet of the cooling cavity 2 and is used for removing dust from the cooled gas to be treated.

In this exemplary embodiment, the method for removing PLA material in the embodiment of the present application is: the opening is formed in the surface of the mold and is communicated with the PLA material in the mold, the mold and the PLA material are integrally placed in the PLA material roasting furnace, the PLA material is gasified by heating the PLA material roasting furnace and enters the air pipe 3 through the opening, when the PLA material is completely roasted and gasified, the mold can be obtained, and then the mold can be used for manufacturing workpieces.

In the present exemplary embodiment, the shape of the combustion chamber 1 may be a rectangular parallelepiped shape, a square shape, or any other regular or irregular shape, and the present application does not limit the shape of the combustion chamber 1, and the material of the combustion chamber 1 may be a steel material, or another material that can withstand high temperature, and the present application does not limit the material of the combustion chamber 1.

In the present exemplary embodiment, the PLA is a polyester polymer obtained by polymerizing lactic acid as a main raw material, and is usually prepared from starch derived from renewable plant resources (such as corn, tapioca, etc.). Belongs to a novel renewable biodegradable material.

In this exemplary embodiment, the cooling chamber 2 may have a structure including: the shell can set up in the shell more with 9 pipelines of cooling tube, perhaps sets up 8 pipelines of a spiral pipe in the shell, lets in cold water alright in 8 pipelines of spiral pipe with the realization through 2 function that treat the processing gas and cool down in the chamber that cools down.

In this example embodiment, the dust removal pipeline 4 may be a main pipe for dust removal in the factory, and the cooling cavity 2 in this application may be directly communicated with a main pipe for dust removal.

In the embodiment, the gas dedusted by the dedusting main pipe does not contain substances polluting the environment, and is environment-friendly.

In this example embodiment, the utility model discloses PLA material roasting furnace, include: the combustion chamber 1 is used for placing a PLA material and heating the PLA material; an inlet of the cooling cavity 2 is communicated with the combustion chamber 1 through an air pipe 3, the air pipe 3 is used for guiding the gas to be treated generated by heating the PLA material into the cooling cavity 2, and the cooling cavity 2 is used for cooling the gas to be treated; and the dust removal pipeline 4 is communicated with the outlet of the cooling cavity 2 and is used for removing dust from the cooled gas to be treated. Adopt the scheme of this application, through setting up combustion chamber 1, place the PLA material and burn in combustion chamber 1, the PLA material melts earlier under the effect of high temperature, continues to heat and becomes grey, flows to trachea 3 along with the gas that the burning produced in, and flow to cooling chamber 2, treats process gas through cooling chamber 2 and cools down the back, gets into dust removal pipeline 4 in and removes dust, alright with the gas direct emission after will removing dust, and this exhaust gas is pollution-free. By adopting the technical scheme, reasonable treatment equipment is provided for the PLA material formed after the die is manufactured, and no pollutant is generated after treatment, so that the environment is protected.

In a specific embodiment, at least two combustion ports 5 are opened on the side wall of the combustion chamber 1, and each combustion port 5 is correspondingly provided with a combustion nozzle.

In the present exemplary embodiment, the burner ports 5 may be gas-permeable burners, which can be purchased as they are, and the present application does not limit the types and models of the burners.

In a specific embodiment, the method further comprises the following steps: a secondary combustion chamber 6, which is arranged between the combustion chamber 1 and the air pipe 3 and is respectively communicated with the combustion chamber 1 and the air pipe; used for carrying out secondary heating on the gas to be treated generated by heating the PLA material. By adopting the arrangement, substances which are not fully combusted and are brought out along with the gas to be treated can be secondarily heated so as to ensure that the PLA material is fully combusted.

In one embodiment, at least one burner tip is provided on the side wall of the secondary combustion chamber 6. The heating temperature in the combustion chamber 1 was 800 ℃. When the temperature reaches 800 ℃, the PLA material can become dust, thereby ensuring the sufficiency of the PLA material treatment.

In a specific embodiment, the method further comprises the following steps: and the cloth bag dust removal device is communicated with the dust removal pipeline 4 and is used for removing dust of the gas to be treated. The structure of the cloth bag dust collector can comprise:

the opening of the dust removal cloth bag is hermetically connected with the outlet end of the main dust removal pipe and is used for filtering the gas exhausted by the main dust removal pipe;

the auxiliary dust removing device can be a filter screen, is fixed on the outer side of the dust removing cloth bag through a fixing frame and wraps the dust removing cloth bag, and carries out secondary filtration on the gas treated by the dust removing cloth bag.

In a specific embodiment, the method further comprises the following steps: and the water cooling device is coated on the outer wall of the gas pipe 3 and used for cooling the gas to be treated which circulates in the gas pipe 3.

In this example embodiment, the water cooling apparatus includes: the sleeve 7 is sleeved on the outer side wall of the air pipe 3; the spiral pipe 8 is arranged on the inner side wall of the sleeve 7, is in contact with the outer wall of the air pipe 3 and is used for cooling the gas to be treated which flows in the air pipe 3; and the water supply equipment is communicated with the spiral pipe 8 and is used for providing circulating cold water for the spiral pipe 8.

In the present exemplary embodiment, with the above arrangement, the cooling work of the gas to be processed can be further improved, and the effect of removing dust from the gas to be processed can be further improved.

In the present exemplary embodiment, the water supply device may be a device capable of making cold water, and in order to ensure the circulation of the cold water, a water pump may be provided to feed the cold water into the spiral pipe 8 to form a return circulation; in order to further enhance the cooling effect, the water cooling may be performed in a direction opposite to the flow direction of the gas to be treated.

In a specific embodiment, the cooling chamber 2 includes a plurality of cooling pipes 9 arranged in an array, and the water supply device is respectively communicated with each cooling pipe 9 and is used for providing circulating cooling water for each cooling pipe 9.

It should be noted that the above-described embodiments are only some of the claimed embodiments, and not all of the claimed embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments in the application without any creative effort, shall fall within the scope of protection of the application. In the present specification, each embodiment is described with emphasis on differences from other embodiments, and the same and similar parts between the embodiments may be referred to each other.

Claims

A PLA material roasting furnace, which is characterized by comprising:

the combustion chamber (1) is used for placing a PLA material and heating the PLA material;

the inlet of the cooling cavity (2) is communicated with the combustion chamber (1) through an air pipe (3), the air pipe (3) is used for guiding the gas to be treated generated by heating the PLA material into the cooling cavity (2), and the cooling cavity (2) is used for cooling the gas to be treated;

and the dust removal pipeline (4) is communicated with the outlet of the cooling cavity (2) and is used for removing dust from the cooled gas to be treated.
2. The PLA material roasting furnace according to claim 1, characterized in that at least two burner ports (5) are opened on the side wall of the combustion chamber (1), and each burner port (5) is correspondingly provided with a burner nozzle.
3. The PLA material baking furnace of claim 2, wherein the burner is a gas burner.
4. The PLA material baking furnace of claim 1, further comprising:

a secondary combustion chamber (6) arranged between the combustion chamber (1) and the air pipe (3) and respectively communicated with the combustion chamber (1) and the air pipe; used for carrying out secondary heating on the gas to be treated generated by heating the PLA material.
5. A PLA material baking furnace according to claim 4, characterized in that at least one burner tip is arranged on the side wall of the secondary combustion chamber (6).
6. A PLA material baking furnace according to claim 1, characterized in that the heating temperature in the combustion chamber (1) is 800 ℃.
7. The PLA material baking furnace of claim 1, further comprising:

and the cloth bag dust removal device is communicated with the dust removal pipeline (4) and is used for removing dust of the gas to be treated.
8. The PLA material baking furnace of claim 1, further comprising:

and the water cooling device is coated on the outer wall of the air pipe (3) and used for cooling the gas to be treated in the air pipe (3) which circulates.
9. The PLA material baking furnace of claim 8, wherein the water cooling device comprises:

the sleeve (7) is sleeved on the outer side wall of the air pipe (3);

the spiral pipe (8) is arranged on the inner side wall of the sleeve (7), is in contact with the outer wall of the air pipe (3), and is used for cooling the gas to be treated which circulates in the air pipe (3);

and the water supply equipment is communicated with the spiral pipe (8) and is used for providing circulating cold water for the spiral pipe (8).
10. A PLA material roasting furnace according to claim 9, characterized in that the cooling chamber (2) comprises a plurality of cooling pipes (9) arranged in an array, and the water supply device is respectively communicated with each cooling pipe (9) and used for providing circulating cooling water for each cooling pipe (9).