CN209960968U

CN209960968U - Alloy melting device

Info

Publication number: CN209960968U
Application number: CN201920509817.XU
Authority: CN
Inventors: 姚营; 陈澎旭
Original assignee: Foshan Melter Metal Co ltd
Current assignee: Foshan Melter Metal Co ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-17
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses an alloy melting device, including the melting furnace, the furnace body is equipped with the heat-resistant layer, the furnace body top is equipped with the charge door, and there is the nitrogen gas valve furnace body lower part, negative pressure pump is installed on furnace body upper portion, the waste heat device both ends are equipped with upper cover and low head respectively, the water intaking valve is installed at the waste heat device top, the blowoff valve is installed to the waste heat device bottom, the steam valve is installed at the waste heat device top, steam valve and steam outer tube connection, automatic relief valve is installed on steam valve right side, the second pipeline link up waste heat device and waste heat pipe connection. The utility model discloses increased waste heat device, during the heat that takes out from the smelting furnace entered into the waste heat pipeline, the clear water in the waste heat device absorbed the heat, and the confession enterprise of the steam of production is self-using, has not only solved the heat emission problem, and the steam of production has also reduced enterprise self and has consumed, can produce better economic benefits.

Description

Alloy melting device

Technical Field

The utility model relates to an alloy technical field, concretely relates to alloy melting device.

Background

The smelting furnace is equipment for melting metal ingots and some waste metals, adding necessary alloy components, and smelting the metal ingots and the waste metals into required alloys through operations such as slagging-off, refining and the like, and the smelting furnace is widely applied to various industries due to the characteristics of simple operation process, reliable smelting operation, small equipment volume, light weight, high efficiency, low power consumption and the like, and the technology of the smelting furnace is relatively mature after years of research.

However, in actual production, there are some problems, for example, the heat generated in the production process of the existing smelting furnace needs to be continuously pumped away, and the existing technology is often discharged into a trench, or even directly into the atmosphere, which not only pollutes the environment, but also causes resource waste.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the inventor develops an alloy melting device by combining the work experience of the inventor, adds a waste heat device in the prior art, ensures the normal work of the melting furnace, recycles the heat generated by the melting furnace, and the steam generated by the waste heat device can be used by enterprises.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an alloy melting device, includes the melting furnace, the furnace body is equipped with the heat-resistant layer, furnace body top one side is equipped with the charge door, the nitrogen gas valve is installed to furnace body lower part one side, negative pressure pump is installed with the opposite side that the nitrogen gas valve is relative on furnace body upper portion, negative pressure pump is connected with the furnace body through first pipeline, negative pressure pump passes through the second pipeline and is connected with waste heat device.

The waste heat device is characterized in that an upper end enclosure and a lower end enclosure are respectively arranged at two ends of the waste heat device, a magnetic turning plate liquid level meter is installed on the lower end enclosure, a water inlet valve is installed on one side, close to the lower end enclosure, of the top of the waste heat device, a blow-down valve is installed at the bottom of the waste heat device corresponding to the water inlet valve, a steam valve is installed on one side, close to the upper end enclosure, of the top of the waste heat device, the steam valve is connected with a steam outer pipe, an automatic pressure release valve is installed on the right side of the steam valve, a second pipeline penetrates through the waste heat device and is connected with a waste heat pipeline.

Furthermore, the refractory bricks are filled in the heat-resistant layer, are cheap and easily available, and have long service life.

Furthermore, in order to ensure that the heat pumped from the smelting furnace is utilized to the maximum extent, the waste heat pipelines are at least four layers, and the pipe diameter of each waste heat pipeline is designed to be 200mm, so that the heat in the waste heat device can be fully absorbed by clean water.

Furthermore, the appearance of mount is the rectangle, mount welding and waste heat device are inside, the round hole has been seted up on the mount, waste heat pipeline's pipe diameter is identical with the round hole, and waste heat pipeline can directly put on the round hole, need not to fix with bolts etc..

Furthermore, in order to better ensure the heat exchange effect of the waste heat device, the thickness of the pipe wall of the waste heat pipeline is preferably 5 mm.

Further, during normal production, the liquid level range of the magnetic turning plate liquid level meter is controlled to be between 50% and 70%.

Further, the diameter of the water inlet valve and the drain valve is 50 mm.

Further, the pressure relief value of the automatic pressure relief valve is set to be 0.5MPa, when the steam pressure in the waste heat device is greater than 0.5MPa, the automatic pressure relief valve can automatically relieve the pressure, and the automatic pressure relief valve is checked at least once every year for ensuring the normal work of the automatic pressure relief valve.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses increased waste heat device, during the heat that takes out from the smelting furnace entered into the waste heat pipeline, the clear water in the waste heat device absorbed the heat, and the confession enterprise of the steam of production is self-using, has not only solved the heat emission problem, and the steam of production has also reduced enterprise self and has consumed, can produce better economic benefits.

Drawings

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

Fig. 2 is a schematic structural diagram of the waste heat device.

Fig. 3 is a side view of a waste heat pipe.

Reference numerals: 1. the device comprises a feed inlet, 2, a furnace body, 3, a heat-resistant layer, 4, a nitrogen valve, 5, a negative pressure pump, 6, a first pipeline, 7, a second pipeline, 8, a waste heat device, 9, a steam outer pipe, 10, an upper end enclosure, 11, a lower end enclosure, 12, a fixing frame, 13, a magnetic turning plate liquid level meter, 14, a communicating pipe, 15, a water inlet valve, 16, a blow-down valve, 17, a steam valve, 18, an automatic pressure relief valve, 19 and a waste heat pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; all other embodiments, modifications, equivalents, improvements and the like which are obvious to those skilled in the art based on the embodiments of the present invention without any creative work should be included in the protection scope of the present invention.

As shown in fig. 1 to 3, an alloy melting apparatus includes a melting furnace, and is characterized in that: furnace body 2 is equipped with heat-

resistant layer

3, 2 top one side of furnace body is equipped with charge door 1, nitrogen gas valve 4 is installed to 2 lower part one sides of furnace body, negative pressure pump 5 is installed with the opposite side that nitrogen gas valve 4 is relative on 2 upper portions of furnace body, negative pressure pump 5 is connected with furnace body 2 through first pipeline 6, negative pressure pump 5 passes through second pipeline 7 and is connected with waste heat device 8.

The two ends of the waste heat device 8 are respectively provided with an upper end enclosure 10 and a lower end enclosure 11, a magnetic turning plate liquid level meter 13 is installed on the lower end enclosure 11, a water inlet valve 15 is installed at the top of the waste heat device 8, a blowdown valve 16 is installed at the position, corresponding to the water inlet valve 15, of the bottom of the waste heat device 8, a steam valve 17 is installed at the top of the waste heat device 8, close to one side of the upper end enclosure 10, the steam valve 17 is connected with a steam outer pipe 9, an automatic pressure release valve 18 is installed at the right side of the steam valve 17, the second pipeline 7 is communicated with the waste heat device 8 and connected with a waste heat pipeline 19, the waste heat pipeline 19 is fixed inside the waste heat device 8 through a fixing frame 12, and the head.

In this embodiment, the heat-resistant layer 3 is filled with refractory bricks.

In this embodiment, the waste heat pipeline 19 has at least four layers, and the pipe diameter of the waste heat pipeline 19 is 200 mm.

In the present embodiment, the liquid level range of the magnetic turn plate liquid level meter 13 is controlled between 50% and 70%.

In the present embodiment, the inlet valve 15 and the blowdown valve 16 have a diameter of 50 mm.

In the present embodiment, the relief value of the automatic relief valve 18 is set to 0.5 MPa.

As shown in fig. 3, the shape of the fixing frame 12 is rectangular, a circular hole is formed in the fixing frame 12, the pipe diameter of the waste heat pipe 19 is matched with the circular hole, and the waste heat pipe 19 can be directly placed on the circular hole without being fixed by bolts and the like.

When the device is in specific operation, firstly, the negative pressure pump 5 is started, the nitrogen valve 4 is opened, the smelting furnace is replaced, when the vacuum condition is met, materials are added into the furnace through the charging hole 1, meanwhile, the water inlet valve 15 is opened, clear water is added into the waste heat device 8, the steam valve 17 is opened, when the smelting furnace starts to continuously smelt, the generated heat is conveyed to the waste heat pipeline 19 through the negative pressure pump 5 through the first pipeline 6 and the second pipeline 7, the heat can be uniformly distributed in the waste heat pipeline 19 through the communicating pipe 14, the heat can be uniformly distributed in the waste heat pipeline 19, the inspection is carried out in class at ordinary times, the liquid level of the magnetic turning plate liquid level meter 13 needs to be observed, the liquid level is preferably not higher than 70%, and the phenomenon that.

Steam generated by the waste heat device 8 can be used by other posts through the steam outer pipe 9, and the drain valve 16 discharges at least once in each class to prevent the generated rust slag from blocking the drain valve 16.

The above embodiments are preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications are intended to fall within the scope of the claimed invention.

Claims

1. An alloy melting device comprises a melting furnace, and is characterized in that: the furnace body is provided with a heat-resistant layer, one side of the top of the furnace body is provided with a charging hole, one side of the lower part of the furnace body is provided with a nitrogen valve, the other side of the upper part of the furnace body, which is opposite to the nitrogen valve, is provided with a negative pressure pump, the negative pressure pump is connected with the furnace body through a first pipeline, and the negative pressure pump is connected with a waste heat device through a second pipeline;

2. An alloy melting apparatus as defined in claim 1, wherein: and refractory bricks are filled in the heat-resistant layer.

3. An alloy melting apparatus as defined in claim 1, wherein: the waste heat pipeline is at least four layers.

4. An alloy melting apparatus as defined in claim 1, wherein: the pipe diameter of the waste heat pipeline is 200 mm.

5. An alloy melting apparatus as defined in claim 1, wherein: the shape of the fixing frame is rectangular, a round hole is formed in the fixing frame, and the pipe diameter of the waste heat pipeline is matched with the round hole.

6. An alloy melting apparatus as defined in claim 1, wherein: the liquid level range of the magnetic turning plate liquid level meter is 50% -70%.

7. An alloy melting apparatus as defined in claim 1, wherein: the diameter of the water inlet valve and the drain valve is 50 mm.

8. An alloy melting apparatus as defined in claim 1, wherein: and the pressure relief value of the automatic pressure relief valve is set to be 0.5 MPa.