CN217110403U

CN217110403U - Sintering furnace convenient to dewaxing

Info

Publication number: CN217110403U
Application number: CN202220751420.3U
Authority: CN
Inventors: 郜锦东; 蔡令令
Original assignee: Joint Power Shanghai Seals Co ltd
Current assignee: Joint Power Shanghai Seals Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-02
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a fritting furnace convenient to dewaxing, including the fritting furnace body, the dewaxing jar, the dewaxing pipe, the vacuum pump, the bottom that the fritting furnace body was passed to the one end of dewaxing pipe extends to in the stove courage of fritting furnace body, the other end of dewaxing pipe with the dewaxing jar is linked together, the dewaxing jar with the vacuum pump passes through the pipeline intercommunication, communicates the dewaxing jar with be provided with pneumatic high vacuum ball valve on the pipeline of vacuum pump. The utility model has the advantages that: dewaxing device is installed to the fritting furnace convenient to dewax, this dewaxing device intercommunication in the stove courage of fritting furnace, can take the foreign matter that is located the stove courage out, avoid the foreign matter to bond on the stove courage, prolonged the life of stove courage, guaranteed the quality of sintering product. Adopt fritting furnace greatly reduced the fault rate of vacuum pump and vacuum valve, it is unstable to have solved the vacuum that carbon felt blockked up in the sintering furnace courage many times and leads to, product colour difference, oxidation problem.

Description

Sintering furnace convenient to dewaxing

Technical Field

The utility model belongs to the technical field of the fritting furnace sintering, concretely relates to fritting furnace convenient to dewaxing.

Background

Thereby the sintering furnace sintering can discharge a large amount of foreign matter and glue on the stove courage and lead to the stove courage oxidation, leads to the sintering product to have the colour difference, the oxidation, stove courage heat preservation effect can greatly reduced, stove courage heat preservation effect is poor leads to power consumptive gauge height, the unstable sintered density of product sintered density is not up to standard or the overburning, the condition such as product shrink unstability, the product disability rate is high.

The foreign matter adhesion of sintering furnace sintering exhaust can lead to the heating inhomogeneous product disability rate that leads to high on the heating pipe, and the heating pipe is very easily damaged, causes stove courage and heating pipe life short, and the change of stove courage and heating pipe is loaded down with trivial details very much, wastes time and energy, leads to manufacturing cost too high.

In addition, when the vacuum pump is started during sintering, a large amount of foreign matters are pumped into the vacuum pipeline to block the vacuum valve and the vacuum pump, so that the vacuum degree in the furnace body is unstable, the air leakage condition and the damage of the vacuum pump and the vacuum valve occur, and the conditions of product color difference, oxidation and the like are caused. In case of high temperature, the vacuum pump and the vacuum valve are damaged and blocked to cause air leakage and other conditions to damage all parts of the furnace body, and explosion can be generated in serious conditions to seriously affect production safety.

SUMMERY OF THE UTILITY MODEL

A primary object of the present application is to provide a fritting furnace that facilitates dewaxing.

In order to achieve the above object, the present invention provides the following technical solutions:

the sintering furnace convenient for dewaxing comprises a sintering furnace body, a dewaxing tank, a dewaxing pipe and a vacuum pump, wherein one end of the dewaxing pipe penetrates through the bottom of the sintering furnace body and extends into a furnace liner of the sintering furnace body, the other end of the dewaxing pipe is communicated with the dewaxing tank, the dewaxing tank is communicated with the vacuum pump through a pipeline, and a pneumatic high-vacuum ball valve is arranged on the pipeline for communicating the dewaxing tank with the vacuum pump. Pneumatic high vacuum ball valve is bought in Ningbo hong branch of academic or vocational study vacuum valve Limited, and the model is: GUQ-80, the drift diameter is 80mm, and the air source pressure is 0.4-0.8 MPa.

Use during the fritting furnace convenient to dewaxing, open the vacuum pump, make the jar that dewaxes be in negative pressure state, the foreign matter that is located fritting furnace body stove courage this moment just can flow down to the jar that dewaxes in, has reached the purpose of being convenient for the fritting furnace dewaxing.

As a preferred embodiment, the dewaxing pot is a cylinder with a cavity therein, the dewaxing pot is horizontally placed below the sintering furnace body, and the dewaxing pipe is communicated with the top of the dewaxing pot. The dewaxing tank is a cylinder with a cavity inside, and the dewaxing tank is convenient to clean.

As a preferred embodiment, the sintering furnace convenient for dewaxing is provided with a sewage draining hole on the dewaxing pot. The arrangement of the sewage draining hole is convenient for cleaning the inside of the dewaxing tank and removing foreign matters in the dewaxing tank.

In the sintering furnace convenient for dewaxing, as a preferred embodiment, the sewage discharge hole is positioned at the left end or the right end of the dewaxing pot, and a cover is covered on the sewage discharge hole.

As a preferred embodiment, the number of the dewaxing pipes is two, and the two dewaxing pipes are symmetrically arranged with respect to the longitudinal central axis of the sintering furnace body. When 1 dewaxing pipe is arranged, blockage is easily caused, and the dewaxing effect is poor.

In the sintering furnace for facilitating dewaxing, the diameter of the dewaxing pipe is 7.5cm, and the distance between two dewaxing pipes is 30 cm.

The sintering furnace convenient for dewaxing is a preferred embodiment, and the dewaxing pipe is a graphite dewaxing pipe.

The utility model has the advantages that: dewaxing device is installed to the fritting furnace convenient to dewax, this dewaxing device intercommunication in the stove courage of fritting furnace, can take the foreign matter that is located the stove courage out, avoid the foreign matter to bond on the stove courage, prolonged the life of stove courage, guaranteed the quality of sintering product.

Use the fritting furnace convenient to dewaxing can realize sintering 40-50 heats and change a boiler courage and heating pipe, and present fritting furnace sintering 15-20 heats just need change a boiler courage and heating pipe, just adopt the fritting furnace convenient to dewaxing greatly reduced the fault rate of vacuum pump and vacuum valve, solved many times the vacuum unstability that the carbon felt blockked up and leads to in the fritting furnace courage, product colour difference, oxidation problem.

Drawings

FIG. 1 is a schematic diagram of a sintering furnace for facilitating dewaxing according to the present invention;

in the figure: 1. a sintering furnace body; 2. dewaxing; 3. dewaxing a pipe; 4. pneumatic high vacuum ball valve.

Detailed Description

In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to examples, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

The utility model provides a fritting furnace convenient to dewaxing, includes fritting furnace body 1, dewaxing jar 2, dewaxing pipe 3, the vacuum pump, the one end of dewaxing pipe 3 passes the bottom of fritting furnace body 1 and extends to in the stove courage of fritting furnace body 1, the other end of dewaxing pipe 3 with dewaxing jar 2 is linked together, dewaxing jar 2 with the vacuum pump passes through the pipeline intercommunication, the intercommunication dewaxing jar 2 with be provided with pneumatic high vacuum ball valve 4 on the pipeline of vacuum pump.

Use this application during the fritting furnace of dewaxing of being convenient for, open the vacuum pump, make dewaxing jar 2 be in negative pressure state, the foreign matter that is located 1 stove courage of fritting furnace body this moment just can flow to the dewaxing jar 2 in, has reached the purpose of being convenient for the fritting furnace dewaxing.

In order to facilitate cleaning of the dewaxing pot 2, the dewaxing pot 2 is designed to be a cylinder with a cavity inside, the dewaxing pot 2 is horizontally placed below the sintering furnace body 1, and the dewaxing pipe 3 is communicated with the top of the dewaxing pot 2. A sewage discharge hole is formed in the dewaxing tank 2 and is positioned at the left end or the right end of the dewaxing tank 2, and a hole cover covers the sewage discharge hole. When the dewaxing tank is cleaned, the hole cover is opened, and the foreign matters are discharged from the sewage discharge hole.

In order to avoid the blockage of the dewaxing pipes 3, the number of the dewaxing pipes 3 is designed to be two, the two dewaxing pipes 3 are symmetrically arranged along the longitudinal central axis of the sintering furnace body 1, the diameter of each dewaxing pipe 3 is 7.5cm, and the distance between the two dewaxing pipes 3 is 30 cm. The dewaxing pipe 3 is a graphite dewaxing pipe 3.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the method of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims

1. The sintering furnace convenient for dewaxing is characterized by comprising a sintering furnace body, a dewaxing tank, a dewaxing pipe and a vacuum pump, wherein one end of the dewaxing pipe penetrates through the bottom of the sintering furnace body and extends into a furnace container of the sintering furnace body, the other end of the dewaxing pipe is communicated with the dewaxing tank, the dewaxing tank is communicated with the vacuum pump through a pipeline, and a pneumatic high-vacuum ball valve is arranged on the pipeline communicating the dewaxing tank with the vacuum pump.

2. The fritting furnace of claim 1 wherein the dewaxing pot is a cylinder with a cavity therein, the dewaxing pot is horizontally disposed below the fritting furnace body, and the dewaxing tube is in communication with the top of the dewaxing pot.

3. The sintering furnace convenient for dewaxing according to claim 2, wherein the dewaxing pot is provided with a sewage draining hole.

4. The sintering furnace for facilitating dewaxing of claim 3, wherein the drain hole is positioned at the left end or the right end of the dewaxing pot, and a cover is covered on the drain hole.

5. The fritting furnace of claim 1 wherein the number of the dewaxing tubes is two, and the two dewaxing tubes are symmetrically disposed about the longitudinal central axis of the fritting furnace body.

6. The sintering furnace for facilitating dewaxing of claim 5, wherein the dewaxing pipe has a diameter of 7.5cm and the distance between two dewaxing pipes is 30 cm.

7. The sintering furnace facilitating dewaxing of claim 1, wherein the dewaxed tube is a graphite dewaxed tube.