阅读说明：本技术 一种氢氧连铸坯火焰切割系统及其运行工艺 (Oxyhydrogen continuous casting billet flame cutting system and operation process thereof ) 是由 王平 马智勇 毛一标 聂文金 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种氢氧连铸坯火焰切割系统及其运行工艺,该系统包括电解槽装置、加液罐、水封罐、压力控制装置、气割装置和综合控制器,其中,所述加液罐通过管道连接至所述电解槽装置,所述电解槽装置通过管道连接至所述水封罐,所述水封罐通过管道分别连接至压力控制装置和气割装置,所述水封罐另设管道回连至所述电解槽装置。本发明的氢氧连铸坯火焰切割系统,采用氢氧火焰这种绿色清洁安全可再生能源作为连铸坯的切割火焰,运用氢氧切割连铸坯,与焦炉煤气、丙烷等其他燃气火焰相比,具有更好的经济和社会效益。(The invention discloses a flame cutting system for oxyhydrogen continuous casting billets and an operation process thereof, and the flame cutting system comprises an electrolytic tank device, a liquid adding tank, a water seal tank, a pressure control device, a gas cutting device and a comprehensive controller, wherein the liquid adding tank is connected to the electrolytic tank device through a pipeline, the electrolytic tank device is connected to the water seal tank through a pipeline, the water seal tank is respectively connected to the pressure control device and the gas cutting device through pipelines, and the water seal tank is additionally provided with a pipeline which is connected back to the electrolytic tank device. The oxyhydrogen continuous casting billet flame cutting system adopts the green clean safe renewable energy source of oxyhydrogen flame as the cutting flame of the continuous casting billet, and uses the oxyhydrogen to cut the continuous casting billet, so that the oxyhydrogen continuous casting billet flame cutting system has better economic and social benefits compared with other gas flames of coke oven gas, propane and the like.)

1. The oxyhydrogen continuous casting billet flame cutting system is characterized by comprising an electrolytic bath device, a liquid adding tank, a water seal tank, a pressure control device, a gas cutting device and a comprehensive controller, wherein the liquid adding tank is connected to the electrolytic bath device through a pipeline, the electrolytic bath device is connected to the water seal tank through a pipeline, the water seal tank is respectively connected to the pressure control device and the gas cutting device through pipelines, and the water seal tank is additionally provided with a pipeline and is connected back to the electrolytic bath device;

a manual liquid feeding port and a liquid outlet are arranged on the liquid feeding tank, and the liquid outlet is connected with the electrolytic bath device through a pipeline; a check valve is arranged at the manual liquid feeding port;

the electrolytic cell device is powered by a power supply;

the pressure control device comprises a pressure tank and a pressure controller, and the water seal tank is sequentially connected with the pressure tank and the pressure controller through a pipeline;

a one-way valve, a check valve, a first-stage external water seal device and a second-stage external water seal device are sequentially arranged on a pipeline of the water seal tank connected to the gas cutting device; the first-stage external water seal device and the second-stage external water seal device are two-stage multiple wet-type fire retarding devices;

the integrated controller is respectively connected with the power supply and the pressure controller.

2. The flame cutting system for hydrogen-oxygen continuous casting billets as claimed in claim 1, wherein the liquid feeding tank is further provided with an automatic liquid feeding port, the automatic liquid feeding port is provided with an electromagnetic valve and a one-way valve, and the automatic liquid feeding port is externally connected with an external water tank; the electromagnetic valve and the external water tank are connected with the integrated controller.

3. The flame cutting system for hydrogen-oxygen continuous casting billets as claimed in claim 1, wherein a gas distribution tank is further arranged between the primary external water seal device and the secondary external water seal device.

4. The operation process of the oxyhydrogen continuous casting billet flame cutting system according to any one of claims 1 to 3, characterized by comprising the following steps:

step 1) in a shutdown state, manually supplementing softened water into a liquid adding tank directly through a manual liquid adding port; or in the starting state, softened water is provided for the automatic liquid feeding port through the external water tank, and the electromagnetic valve and the external water tank are controlled by the integrated controller to supplement the liquid into the liquid feeding tank;

step 2) adding electrolyte into the electrolytic cell device in a shutdown state, outputting direct current to the electrolytic cell device through a power supply, generating oxyhydrogen gas mixture through electrolysis, outputting the oxyhydrogen gas mixture together with the electrolyte from the electrolytic cell device into a water-sealed tank to perform gas-liquid separation to obtain relatively pure oxyhydrogen gas mixture and electrolyte, and refluxing the electrolyte into the electrolytic cell device for reuse through a pipeline;

step 3) passing the relatively pure hydrogen-oxygen mixed gas through a primary external water seal device and a secondary external water seal device, and then entering a gas cutting device for flame processing operation; when a plurality of cutting systems are needed to be used simultaneously, purer hydrogen-oxygen mixed gas can enter the gas distribution tank from the first-stage external water seal device, and then enters the gas cutting device from the gas distribution tank through the second-stage external water seal device.

5. The operating process of the flame cutting system for hydrogen and oxygen continuous casting billets as claimed in claim 4, characterized in that the electrolyte is sodium hydroxide or potassium hydroxide.

Technical Field

The invention belongs to the technical field of metallurgical instruments, and particularly relates to a flame cutting system for an oxyhydrogen continuous casting billet and an operation process thereof.

Background

The continuous casting billet is continuously cut on line, and the cutting energy medium which is commonly used is coke oven gas. In the actual use process, the gas pipeline is complicated to lay, the safety performance is low, the use cost is high, and after years of use, because the gas quality is not easy to guarantee, the cutting nozzle is seriously blocked and is frequently replaced, the quality of a continuous casting notch can be greatly influenced, and meanwhile, the cleaning and replacement of the gas pipeline are also complicated engineering.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the oxyhydrogen continuous casting billet flame cutting system and the operation process thereof, which adopt clean and environment-friendly oxyhydrogen flame to carry out continuous casting billet flame cutting and have better economic and social benefits.

The invention is realized by the following technical scheme:

a flame cutting system for oxyhydrogen continuous casting billets comprises an electrolytic bath device, a liquid adding tank, a water seal tank, a pressure control device, a gas cutting device and a comprehensive controller, wherein the liquid adding tank is connected to the electrolytic bath device through a pipeline, the electrolytic bath device is connected to the water seal tank through a pipeline, the water seal tank is respectively connected to the pressure control device and the gas cutting device through pipelines, and the water seal tank is additionally provided with a pipeline which is connected back to the electrolytic bath device;

a manual liquid feeding port and a liquid outlet are arranged on the liquid feeding tank, and the liquid outlet is connected with the electrolytic bath device through a pipeline; a check valve is arranged at the manual liquid feeding port;

the electrolytic cell device is powered by a power supply;

the pressure control device comprises a pressure tank and a pressure controller, and the water seal tank is sequentially connected with the pressure tank and the pressure controller through a pipeline;

a one-way valve, a check valve, a first-stage external water seal device and a second-stage external water seal device are sequentially arranged on a pipeline of the water seal tank connected to the gas cutting device; the first-stage external water seal device and the second-stage external water seal device are two-stage multiple wet-type fire retarding devices;

the integrated controller is respectively connected with the power supply and the pressure controller.

Preferably, the liquid adding tank is also provided with an automatic liquid adding port, the automatic liquid adding port is provided with an electromagnetic valve and a one-way valve, and the automatic liquid adding port is externally connected with an external water tank; the electromagnetic valve and the external water tank are connected with the integrated controller.

Preferably, a gas distribution tank is further arranged between the first-stage external water sealing device and the second-stage external water sealing device.

An operation process of a flame cutting system of an oxyhydrogen continuous casting billet comprises the following steps:

step 1) in a shutdown state, manually supplementing softened water into a liquid adding tank directly through a manual liquid adding port; or in the starting state, softened water is provided for the automatic liquid feeding port through the external water tank, and the electromagnetic valve and the external water tank are controlled by the integrated controller to supplement the liquid into the liquid feeding tank;

step 2) adding electrolyte into the electrolytic cell device in a shutdown state, outputting direct current to the electrolytic cell device through a power supply, generating oxyhydrogen gas mixture through electrolysis, outputting the oxyhydrogen gas mixture together with the electrolyte from the electrolytic cell device into a water-sealed tank to perform gas-liquid separation to obtain relatively pure oxyhydrogen gas mixture and electrolyte, and refluxing the electrolyte into the electrolytic cell device for reuse through a pipeline;

step 3) passing the relatively pure hydrogen-oxygen mixed gas through a primary external water seal device and a secondary external water seal device, and then entering a gas cutting device for flame processing operation; when a plurality of cutting systems are needed to be used simultaneously, purer hydrogen-oxygen mixed gas can enter the gas distribution tank from the first-stage external water seal device, and then enters the gas cutting device from the gas distribution tank through the second-stage external water seal device.

Preferably, the electrolyte is sodium hydroxide or potassium hydroxide.

The invention has the following beneficial effects:

the oxyhydrogen continuous casting billet flame cutting system adopts the green clean safe renewable energy source of oxyhydrogen flame as the cutting flame of the continuous casting billet, and uses the oxyhydrogen to cut the continuous casting billet, so that the oxyhydrogen continuous casting billet flame cutting system has better economic and social benefits compared with other gas flames of coke oven gas, propane and the like.

Drawings

FIG. 1 is a schematic structural diagram of a flame cutting system for an oxyhydrogen continuous casting billet;

in the figure: 1. an electrolytic cell means; 2. adding a liquid tank; 3. sealing the tank with water; 4. a gas cutting device; 5. a comprehensive controller; 6. a manual liquid feeding port; 7. a one-way valve; 8. a power source; 9. a pressure tank; 10. a pressure controller; 11. a check valve; 12. a first-stage external water seal device; 13. a second-stage external water seal device; 14. an automatic liquid feeding port; 15. an electromagnetic valve; 16. an external water tank; 17. and (4) preparing a gas tank.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.

Example 1

The utility model provides an oxyhydrogen continuous casting billet flame cutting system, as shown in figure 1, includes electrolysis trough device 1, liquid feeding jar 2, water sealed jar 3, pressure control device, gas cutting device 4 and comprehensive controller 5, wherein, liquid feeding jar 2 through the pipe connection to electrolysis trough device 1, electrolysis trough device 1 through the pipe connection to water sealed jar 3, water sealed jar 3 is connected to pressure control device and gas cutting device 4 respectively through the pipeline, water sealed jar 3 establishes in addition the pipeline return link to electrolysis trough device 1.

A manual liquid adding port 6 and a liquid outlet are arranged on the liquid adding tank 2, and the liquid outlet is connected with the electrolytic bath device 1 through a pipeline; and a one-way valve 7 is arranged at the manual liquid filling port 6.

The electrolyzer unit 1 is powered by a power supply 8.

The pressure control device comprises a pressure tank 9 and a pressure controller 10, and the water-sealed tank 3 is sequentially connected with the pressure tank 9 and the pressure controller 10 through pipelines. The pressure controller 10 is used for measuring the pressure value of oxyhydrogen in the water-sealed tank 3, and controlling the circuit of the pressure tank to be opened and closed so as to maintain the air pressure within a certain range and ensure that the water-sealed tank 3 can work stably.

The pipeline of the water seal tank 3 connected to the gas cutting device 4 is sequentially provided with a one-way valve 7, a check valve 11, a first-stage external water seal device 12 and a second-stage external water seal device 13; the first-stage external water seal device 12 and the second-stage external water seal device 13 are two-stage multiple wet-type fire retarding devices, and the use safety of the gas cutting device 4 is ensured. The non-return valve 7 is of a controlled type and the non-return valve 11 is of a non-controlled type, in which case the non-return valve 7 is capable of maintaining line pressure, while the non-return valve 11 is an on-off valve for preventing a reverse flow of the fluid medium.

The integrated controller 5 is respectively connected with the power supply 8 and the pressure controller 10.

An automatic liquid filling port 14 is further formed in the liquid filling tank 2, an electromagnetic valve 15 and a one-way valve 7 are arranged at the automatic liquid filling port 14, and an external water tank 16 is connected outside the automatic liquid filling port 14; the electromagnetic valve 15 and the external water tank 16 are both connected with the integrated controller 5.

An air distribution tank 17 is also arranged between the first-stage external water sealing device 12 and the second-stage external water sealing device 13.

The operation process based on the oxyhydrogen continuous casting billet flame cutting system comprises the following specific steps:

(1) in a shutdown state, softened water (the softened water does not contain impurities, bacteria, viruses, residual chlorine and other unfavorable substances in tap water) is directly supplemented into the liquid adding tank through a manual liquid adding port manually;

and softened water can be provided for the automatic liquid adding port through the external water tank under the starting state, and the electromagnetic valve and the external water tank are controlled through the integrated controller to supplement the liquid into the liquid adding tank.

(2) Under the shutdown state, add electrolyte in the electrolysis trough device, the power is 380V alternating current, handles through transformer and fairing, outputs the direct current and supplies for the electrolysis trough device, produces the oxyhydrogen gas mixture through the electrolysis, the oxyhydrogen gas mixture is together exported by the electrolysis trough device along with electrolyte and is gone into the water-sealed tank and carry out gas-liquid separation, obtains purer oxyhydrogen gas mixture and electrolyte, and the electrolyte flows back to reuse in the electrolysis trough device by the pipeline.

The electrolyte is sodium hydroxide or potassium hydroxide, the ionization degree of softened water is very small, the conductivity is low, the electrolyte belongs to a typical weak electrolyte, the electrolyte needs to be added to increase the conductivity of the solution, the electrolyzed water is water, the original electrolyte is still remained in the water, the consumption is less, and frequent supplement is not needed. The adjustment and replenishment of the electrolyte concentration in this example was accomplished by adding the electrolyte to the cell assembly during the shutdown condition.

(3) The relatively pure hydrogen-oxygen mixed gas enters a gas cutting device for flame processing operation after passing through a primary external water seal device and a secondary external water seal device;

when a plurality of cutting systems are needed to be used simultaneously, purer hydrogen-oxygen mixed gas can enter the gas distribution tank from the first-stage external water seal device, and then enters the gas cutting device from the gas distribution tank through the second-stage external water seal device.