CN218532788U

CN218532788U - Gas ladle heating device

Info

Publication number: CN218532788U
Application number: CN202222707081.1U
Authority: CN
Inventors: 王晓丽; 岑国杰; 路焕国; 徐刚; 王超杰
Original assignee: Zhengzhou Hengyi Technology Co ltd
Current assignee: Zhengzhou Hengyi Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-02-28
Anticipated expiration: 2032-10-14

Abstract

The utility model provides a gas two-man ladle heating device, this gas two-man ladle heating device includes: a cover body and a combustion control device; the cover body is fixedly connected with an exhaust port, a thermocouple is fixedly connected in the exhaust port, and one end of the thermocouple extends into the ladle; wherein, the thermocouple is connected with an intelligent temperature controller by signals; the combustion control device comprises a combustion controller, an igniter in signal connection with the combustion controller, a combustor support fixedly connected with the cover body and a combustor fixedly connected with the combustor support; the combustor support is fixedly connected with a combustor support, and the igniter is fixedly connected with the combustor support. The utility model has the advantages that: the ladle can be in a relatively sealed state through the arranged cover body, so that the ladle is conveniently preheated; the ladle can be preheated by the arranged combustion control device.

Description

Gas ladle heating device

Technical Field

The utility model relates to the technical field of equipment for the metal smelting especially involves a gas two-man ladle heating device.

Background

The vacuum ladle is used as a common transfer device in the metallurgical industry, a lining of the ladle needs to be built by refractory materials, and in order to ensure the use safety of the vacuum ladle, a new vacuum ladle and a vacuum ladle after overhaul need to be fully preheated before use. The traditional two-man ladle preheating is to heat by using effect rods or anode scrap blocks, the two-man ladle is heated unevenly, the heat efficiency is low, the environment is polluted, meanwhile, the service life of the two-man ladle is influenced, and the use and maintenance cost of an electrolytic aluminum plant on the two-man ladle is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a gas ladle heating device.

The problems that the traditional ladle preheating is carried out by using an effect rod or an anode scrap block, the ladle is heated unevenly, the heat efficiency is low, the environment is polluted, the service life of the ladle is influenced, and the use and maintenance cost of the ladle in an electrolytic aluminum plant is increased are solved.

The utility model discloses a realize through following technical scheme:

the utility model provides a gas two-man ladle heating device, this gas two-man ladle heating device includes: a cover body and a combustion control device;

the cover body is fixedly connected with an exhaust port, a thermocouple is fixedly connected in the exhaust port, and one end of the thermocouple extends into the ladle; wherein the thermocouple is connected with an intelligent temperature controller in a signal manner;

the combustion control device comprises a combustion controller, an igniter in signal connection with the combustion controller, a combustor support fixedly connected with the cover body and a combustor fixedly connected with the combustor support; the combustor support is fixedly connected with a combustor support, and the igniter is fixedly connected with the combustor support.

Preferably, the combustor is fixedly connected with a gas pipe and an air pipe.

Preferably, the device also comprises a gas control device; the gas control device comprises a first gas inlet pipe fixedly connected with the gas pipe, and a pressure gauge, a manual ball valve, a gas filter, a gas pressure reducing valve, a pressure gauge behind the pressure reducing valve, a gas high-pressure switch, a safety electromagnetic valve, a gas low-pressure switch, a working electromagnetic valve and an air-fuel proportional valve which are fixedly connected with the first gas inlet pipe in sequence.

Preferably, the working electromagnetic valve is in signal connection with the combustion controller; the combustor is internally and fixedly connected with a fire detection device, and the fire detection device is in signal connection with the combustion controller.

Preferably, the device further comprises an air control device; the air control device comprises a second air inlet pipe fixedly connected with the air pipe, and a combustion fan, an air pressure gauge, an air pressure switch and a butterfly valve which are sequentially and fixedly connected with the second air inlet pipe.

Preferably, the intelligent temperature controller is in signal connection with the combustion fan, and the second air inlet pipe is communicated with the air-fuel ratio valve through an air conveying pipe.

The utility model has the advantages that: the ladle can be in a relatively sealed state through the arranged cover body, so that the ladle is conveniently preheated; the ladle can be preheated by the arranged combustion control device.

Drawings

Fig. 1 is a schematic structural view of a gas two-man ladle heating device provided in an embodiment of the present invention;

fig. 2 is a schematic view of a pipeline connection structure of a gas two-man ladle heating device provided by the embodiment of the present invention.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

For convenience in understanding of the gas two-man ladle heating device provided by the embodiment of the present application, an application scenario thereof will be described first, and the gas two-man ladle heating device provided by the embodiment of the present application is used for providing a device capable of uniformly preheating a two-man ladle; the traditional two-man ladle preheating utilizes effect rods or anode scrap blocks for heating, the two-man ladle is heated unevenly, the heat efficiency is low, the environment is polluted, meanwhile, the service life of the two-man ladle is influenced, and the use and maintenance cost of an electrolytic aluminum plant on the two-man ladle is increased. A gas two-man ladle heating device provided by the embodiment of the present application is described below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural view of a gas two-man ladle heating device provided in an embodiment of the present invention. As shown in fig. 1, the present invention provides a gas ladle heating device, which includes a cover 20 matching with a ladle, the cover 20 is fixedly connected to an exhaust port 21, a thermocouple 22 is fixedly connected to the inside of the exhaust port 21, and one end of the thermocouple 22 is inserted into the ladle; with continued reference to fig. 1, a burner support 25 is fixedly connected to the cover 20, the burner 17 is fixedly connected to the burner support 25, a burner bracket 26 is fixedly connected to the burner support 25, and an igniter 18 is fixedly connected to the burner bracket 26; with continued reference to fig. 1, the igniter 18 protrudes into the burner 17 through the ignition electrode, and the burner 17 is further connected with the gas pipe 11 and the air pipe 16; with continued reference to fig. 1, the present invention further includes a combustion controller 24, the combustion controller 24 being in signal communication with the igniter 18. Use the utility model discloses in the time, at first cover lid 20 on two-man ladle, then blow in the air in to combustor 17 through air pipe 16, thereby dilute the inside remaining gas of combustor 17, unnecessary gas is followed gas vent 21 effluvium, then let in the gas in to combustor 17 through gas pipe 11, gas and air mixing in the gas combustor 17, thereby make the gas keep at certain concentration, then produce the spark through the 18 circular telegrams of burning controller 24 control point firearm, the gas of production in with combustor 17 is lighted, thereby preheat two-man ladle. The gas in this application can adopt economy, clear natural gas, and the natural gas after the burning does not produce any pollution to the environment has been avoided.

Referring to fig. 2, fig. 2 is a schematic view of a pipeline connection structure of a gas two-man ladle heating device according to an embodiment of the present invention. As can be seen from fig. 2, the gas pipe 11 is fixedly connected with a first gas inlet pipe 27, and the first gas inlet pipe 27 is fixedly connected with a pressure gauge 1 before the valve, a manual ball valve 2, a gas filter 3, a gas pressure reducing valve 4, a pressure gauge 5 after the pressure reducing valve, a gas high-pressure switch 6, a safety solenoid valve 7, a gas low-pressure switch 8, a working solenoid valve 9, and an air-fuel ratio valve 10 in sequence along the gas inlet direction. In the utility model, the combustion controller 24 is in signal connection with the working electromagnetic valve 9, thereby conveniently controlling the opening and closing of the first air inlet pipe 27; with continued reference to fig. 2, the combustion controller 24 is also signally connected to a flame detector 19, the flame detector 19 may be a flame detection electrode commonly used in the art, and the flame detector 19 is located within the burner 17. Use the utility model discloses in the time, come from the pipe network natural gas and get rid of the impurity in the gas through gas filter 3, clear gas carries out the decompression steady voltage through gas relief pressure valve 4, fluctuation range is little when making first intake pipe 27 pressure get into air-fuel proportional valve 10, gas and air admission combustor 17 through proportional control, mix in combustor 17 fully, then combustion controller 24 sends the instruction of igniting, some firearm 18 produced the spark this moment, ignite the gas through the spark that produces, after the gas combustion, it detects flame state and feeds back to combustion controller 24 to examine fire device 19, combustion controller 24 judges whether normal according to feedback signal the burning, when combustion controller 24 judges that the burning is improper in combustor 17, combustion controller 24 control work solenoid valve 9 closes, thereby prevent that the gas in the first intake pipe 27 from continuing to enter into combustor 17 in, prevent that unnecessary gas from exploding because of high temperature. Simultaneously, in this application the utility model discloses well gas high tension switchgear 6 and gas low tension switchgear 8 can make the gas pressure of gas pipeline keep in certain extent, prevent that the sudden increase or the reduction of gas pipeline gas pressure and the burning that leads to are unusual, influence preheating quality.

The utility model discloses in, if outage suddenly in the course of the work combustor 17 can cut off the gas immediately and supply with, protective apparatus safety, so the utility model discloses well gas control solenoid valve is the closed type, in case the outage, self-closing cuts off the gas and supplies with.

With continued reference to fig. 2, the air pipe 16 is fixedly connected with a second air inlet pipe 28, the second air inlet pipe 28 is fixedly connected with a combustion fan 12, an air pressure gauge 13, an air pressure switch 14 and a butterfly valve 15 in sequence along the air inlet direction, and the second air inlet pipe 28 is communicated with the air-fuel ratio valve 10 through an air pipe 29. The utility model discloses combustor 17 is before the ignition, and in the air entered into combustor 17 through second intake pipe 28 and air hose 16, blow off or dilute the interior residual gas of furnace to have the last remaining high concentration's of gas and lead to the explosion in the combustor 17 when preventing to ignite. Simultaneously, air pressure switch 14 and 24 signal connection of combustion controller, use the utility model discloses when heating the two-man ladle, the pipeline pressure in the air pressure switch 14 real-time detection second intake pipe 28, if combustion fan 12 breaks down and causes air interruption or the air is not enough, lead to the pressure in the second intake pipe 28 to reduce by a wide margin suddenly this moment, combustion controller 24 control work solenoid valve 9 is closed this moment to cut off the gas in the first intake pipe 27 immediately, otherwise can take place furnace detonation or to the fan tempering.

With continued reference to fig. 2, the thermocouple 23 is in signal connection with an intelligent temperature controller 23, and the intelligent temperature controller 23 is in signal connection with the combustion fan 12. The thermocouple 23 detects the temperature of the ladle lining material in real time, and transmits the detection result to the intelligent temperature controller 23 in real time, the intelligent temperature controller 23 compares the real-time detected temperature value with a preset temperature value, and automatically outputs a current value changing from 4 mA to 20mA as a control signal of the combustion-supporting fan 12 through PID operation, and the combustion controller 24 automatically adjusts the frequency of the combustion-supporting fan 12 according to the received control signal, thereby changing the flame size of the combustor 17, controlling the heating rate, and ensuring that the baking temperature of the ladle lining material is consistent with the process heating curve.

All parts in the utility model are common parts in the prior art, and all the electric parts in the utility model should be connected with a control switch for controlling the electric parts; for the convenience to the power consumption part power supply in this application utility model, the power consumption part in this application utility model can be connected with external power source electricity.

In the embodiment, the gas two-man ladle heating device provided by the embodiment of the application can enable the temperature of the two-man ladle to rise uniformly when the two-man ladle is preheated, so that the two-man ladle is protected better; and simultaneously can prevent the environment from being polluted.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a gas two-man ladle heating device which characterized in that includes: a cover body and a combustion control device;

2. The gas ladle heating device of claim 1, wherein the burner is fixedly connected with a gas pipe and an air pipe.

3. The gas ladle heating device of claim 2, further comprising a gas control device; the gas control device comprises a first gas inlet pipe fixedly connected with the gas pipe, and a pressure gauge, a manual ball valve, a gas filter, a gas pressure reducing valve, a pressure reducing valve rear pressure gauge, a gas high-pressure switch, a safety electromagnetic valve, a gas low-pressure switch, a working electromagnetic valve and an air-fuel proportional valve which are sequentially and fixedly connected with the first gas inlet pipe.

4. The gas ladle heating device according to claim 3, wherein the working solenoid valve is in signal connection with the combustion controller; the combustor is internally and fixedly connected with a fire detection device, and the fire detection device is in signal connection with the combustion controller.

5. The gas ladle heating device of claim 3, further comprising an air control device; the air control device comprises a second air inlet pipe fixedly connected with the air pipe, and a combustion fan, an air pressure gauge, an air pressure switch and a butterfly valve which are sequentially and fixedly connected with the second air inlet pipe.

6. The gas ladle heating device according to claim 5, wherein the intelligent temperature controller is in signal connection with the combustion fan, and the second air inlet pipe is communicated with the air-fuel proportional valve through an air conveying pipe.