Circulating water-gas-water separation system of submerged arc furnace

Abstract

The utility model belongs to the technical field of gas-water separation, and relates to a submerged arc furnace circulating water-gas-water separation system which comprises a submerged arc furnace body, a gas-water separator, an exhaust valve, a radiator, a circulating water pump and a water supply water segregator. A cooling pipe is arranged in the submerged arc furnace body; a cooling water inlet and a cooling water outlet are respectively formed in the cooling pipe; the cooling water outlet is respectively communicated with the exhaust valve and the radiator after passing through the gas-water separator; and the radiator is communicated with the cooling water inlet through the circulating water pump and the water supply water segregator in sequence. According to the utility model, gas-water separation can be realized, the gas resistance phenomenon is reduced, normal operation of water circulation is ensured, accident potential is eliminated, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas water separation technical field relates to a mineral heat furnace circulating water gas water separation system. BACKGROUND

[0002] In the operation process of the mineral heat furnace, the circulating water plays a vital role, it not only can effectively reduce the equipment temperature, prevent the overtemperature phenomenon, it can also prevent the pipe in the furnace from scaling, ensure the stability of the equipment operation, can also absorb and remove harmful substances in the flue gas, reduce the equipment corrosion, therefore, the circulating water plays a key role in the stable operation of the equipment, can prolong the service life of the mineral heat furnace.

[0003] At present, the mineral heat furnace cooling adopts the closed circulating water system, that is, the cooling water first enters the mineral heat furnace for cooling, and the cooled water is discharged from the mineral heat furnace and then returned to the circulating water system; but in the closed circulating water operation, if the mineral heat furnace circulating water needs to be drained during maintenance, the system will be put into operation after the non-dissolved air stays, which will cause the air in the closed circulating water system not to flow, therefore, it cannot come out of the closed circulating water system, and the air will accumulate at a certain high point for a long time, which will become larger and larger, and when the proportion reaches a certain value, it will cause the water in the cooling water circuit to be blocked due to the non-flowing air, the water circulation is damaged, cannot effectively circulate, causes the mineral heat furnace to overheat and burst the pipe, affects the service life of the equipment, and there are hidden dangers. UTILITY MODEL CONTENTS

[0004] In view of the technical problems that the existing mineral heat furnace circulating water system will cause the system to drain during maintenance, the air will stay in the system during the water replenishment process, the air will be blocked due to the non-flowing air, the water circulation is damaged, cannot effectively circulate, causes the mineral heat furnace to overheat and burst the pipe, affects the service life of the equipment, and there are hidden dangers, the utility model provides a mineral heat furnace circulating water gas water separation system.

[0005] In the utility model, the cooling water from the cooling pipe is introduced into the gas water separator, the air is discharged through the exhaust valve, and then the water is re-entered into the cooling pipe through the circulating water pump and the water supply and water distributor after heat dissipation, the gas water separation is realized, the air block phenomenon is reduced, the water circulation is ensured to normally operate, the hidden danger is eliminated, and the service life of the equipment is improved.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme that:

[0007] A mineral heat furnace circulating water gas water separation system, which comprises a mineral heat furnace body, a gas water separator, an exhaust valve, a radiator, a circulating water pump and a water supply and water distributor;

[0008] The cooling pipe is arranged in the mineral heat furnace body; the cooling water inlet and the cooling water outlet are arranged on the cooling pipe respectively;

[0009] The cooling water outlet is communicated with the exhaust valve and the radiator respectively through the air-water separator; the radiator is communicated with the cooling water inlet through the circulating water pump and the water supply distributor in sequence.

[0010] Further, the air-water separator is provided with an air-water feeding pipe between the air-water separator and the cooling water outlet.

[0011] Further, the air-water feeding pipe is provided with a flow meter, a flow switch and a temperature measuring instrument in sequence along the water outlet direction.

[0012] Further, the air-water separator is provided with a backwater inlet pipe between the air-water separator and the radiator.

[0013] Further, the backwater outlet pipe is arranged below the backwater inlet pipe.

[0014] Further, the air-water separator is provided with a separator inlet, a water outlet and an air outlet; the cooling water outlet is communicated with the separator inlet through the air-water feeding pipe; the water outlet is communicated with the radiator through the backwater inlet pipe, and the exhaust valve is arranged on the air outlet.

[0015] Further, the air-water separation system of the submerged arc furnace further comprises a drain pipe communicated with the radiator.

[0016] Compared with the prior art, the air-water separation system of the submerged arc furnace has the advantages that:

[0017] 1. In the air-water separation system of the submerged arc furnace, the cooling water from the cooling pipe is introduced into the air-water separator, the air is discharged through the exhaust valve, and then the water is cooled and re-enters the cooling pipe through the circulating water pump and the water supply distributor, so that the air-water separation is realized, the air resistance phenomenon is reduced, the water circulation is ensured to normally operate, the hidden danger is eliminated, and the equipment life is prolonged.

[0018] 2. In the air-water separation system of the submerged arc furnace, the backwater inlet pipe is arranged between the air-water separator and the radiator, and the backwater outlet pipe is arranged between the radiator and the circulating water pump, and the backwater outlet pipe is arranged below the backwater inlet pipe. Due to the installation position of the backwater outlet pipe, the cooling water entering the air-water separator is concentrated to the highest point, so that the air-water separation efficiency and speed are improved.

[0019] 3. In the air-water separation system of the submerged arc furnace, the drain pipe communicated with the radiator is arranged, so that when other equipment of the system fails, the stability of the system operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the air-water separation system of the submerged arc furnace.

[0021] Figure 2 It is a schematic diagram of the structure of the air-water separator.

[0022] Wherein:

[0023] 10-acetylene furnace body; 101-cooling water inlet; 102-cooling water outlet; 103-cooling pipe; 20-flow meter; 30-flow switch; 40-temperature measuring instrument; 50-gas and water feeding pipe; 60-gas and water separator; 601-separator inlet; 602-water outlet; 603-gas outlet; 70-exhaust valve; 80-radiator; 90-circulating water pump; 100-water supply water separator; 110-backwater inlet pipe; 120-backwater outlet pipe; 130-drain pipe. DETAILED DESCRIPTION

[0024] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.

[0025] Techniques, methods, and equipment known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the specification where appropriate.

[0026] It should also be understood that the above-described embodiments are merely intended to explain the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes to the technical scheme and the inventive concept of the present application within the scope of the present application, which should be covered by the protection scope of the present application.

[0027] EMBODIMENT

[0028] Reference Figure 1 The present embodiment provides an acetylene furnace circulating water gas and water separation system, which comprises an acetylene furnace body 10, a gas and water separator 60, an exhaust valve 70, a radiator 80, a circulating water pump 90, and a water supply water separator 100.

[0029] In the present embodiment, a cooling pipe 103 is arranged inside the acetylene furnace body 10; a cooling water inlet 101 and a cooling water outlet 102 are arranged on the cooling pipe 103, respectively. The cooling water outlet 102 is in communication with the exhaust valve 70 and the radiator 80 after passing through the gas and water separator 60; the radiator 80 is in communication with the cooling water inlet 101 in sequence through the circulating water pump 90 and the water supply water separator 100.

[0030] In the present embodiment, a gas and water feeding pipe 50 is arranged between the gas and water separator 60 and the cooling water outlet 102. The cooling water coming out of the cooling water outlet 102 is transported to the gas and water separator 60 through the gas and water feeding pipe 50.

[0031] In the present embodiment, a flow meter 20, a flow switch 30, and a temperature measuring instrument 40 are arranged on the gas and water feeding pipe 50 in sequence along the feeding direction.

[0032] Preferably, the flow meter 20 is used to monitor the flow rate of the cooling water in the gas-water feeding pipe 50; the flow switch 30 is used to control the on-off of the cooling water; and the temperature detector 40 is used to monitor the temperature of the cooling water in the gas-water feeding pipe 50, thereby providing data reference for the operation of the ore-smelting furnace.

[0033] In the embodiment, the backwater inlet pipe 110 is arranged between the gas-water separator 60 and the radiator 80. The backwater inlet pipe 110 is mainly used to transport the separated cooling water to the radiator 80 for heat dissipation and cooling.

[0034] Preferably, a control valve is arranged on the backwater inlet pipe 110, and the control valve is used to control the on-off of the backwater inlet pipe 110.

[0035] In the embodiment, the backwater outlet pipe 120 is arranged between the radiator 80 and the circulating water pump 90; and the backwater outlet pipe 120 is used to transport the cooled cooling water to the water supply and distribution device 100 through the circulating water pump 90.

[0036] Preferably, a control valve is arranged on the backwater outlet pipe 120, and the control valve is used to control the on-off of the backwater outlet pipe 120.

[0037] Preferably, the backwater outlet pipe 120 is arranged below the backwater inlet pipe 110, and the installation position of the backwater outlet pipe 120 is high, so that the cooling water entering the gas-water separator 60 is concentrated to the highest point, thereby improving the gas-water separation efficiency and speed, and then the air in the cooling water is discharged through the air outlet valve, so that the circulating water can work normally, thereby avoiding hidden troubles and improving the service life of the equipment.

[0038] In the embodiment, the water supply and distribution device 100 is provided with a water inlet main pipe and a water outlet branch pipe, respectively; the water inlet main pipe is communicated with the circulating water pump 90; and the water outlet branch pipe is communicated with the cooling water inlet 101. The water supply and distribution device 100 is used to supply cooling water to the cooling pipes 103 at different positions in the ore-smelting furnace body 10, thereby realizing the temperature reduction of different parts in the ore-smelting furnace body 10.

[0039] In the embodiment, the cooling pipes 103 are one or more; the water outlet branch pipes are one or more; and the number of the cooling pipes 103 and the water outlet branch pipes is the same and they are communicated one by one.

[0040] When the cooling pipes 103 are multiple, the cooling water inlets 101 on each cooling pipe 103 are communicated with the gas-water feeding pipe 50; and the cooling water outlets 102 on each cooling pipe 103 are communicated with a corresponding water outlet branch pipe.

[0041] Referring to Figure 2The gas-water separator 60 is respectively provided with a separator inlet 601, a water outlet 602 and a gas outlet 603; the cooling water outlet 102 is communicated with the separator inlet 601 through the gas-water feeding pipe 50; the water outlet 602 is communicated with the radiator 80 through the water return inlet pipe 110, and the exhaust valve 70 is arranged on the gas outlet 603.

[0042] In the embodiment, the circulating water gas-water separation system of the electric arc furnace further comprises a water discharge pipe 130 communicated with the radiator 80.

[0043] Preferably, a control valve is arranged on the water discharge pipe 130 to control the opening and closing of the water discharge pipe 130.

[0044] In the embodiment, the cooling water is sent to the water supply and distribution device 100 by the circulating water pump 9, distributed by the water supply and distribution device 100, and then enters the cooling pipe 103 in the electric arc furnace body 10 through the cooling water outlet 102, so as to realize the cooling of the devices in the electric arc furnace body 10.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can still be modified or replaced by equivalents, and these modifications or replacements should not make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A circulating water-gas-water separation system for a submerged arc furnace, characterized in that, It includes the main body of the electric arc furnace (10), the gas-water separator (60), the exhaust valve (70), the radiator (80), the circulating water pump (90), and the water supply water separator (100); The main body (10) of the electric arc furnace is provided with a cooling pipe (103); the cooling pipe (103) is provided with a cooling water inlet (101) and a cooling water outlet (102); The cooling water outlet (102) is connected to the exhaust valve (70) and the radiator (80) respectively after passing through the air-water separator (60); the radiator (80) is connected to the cooling water inlet (101) in sequence through the circulating water pump (90) and the water supply water separator (100).

2. The circulating water-gas-water separation system for a submerged arc furnace according to claim 1, characterized in that, A gas-water inlet pipe (50) is provided between the gas-water separator (60) and the cooling water outlet (102).

3. The circulating water-gas-water separation system for a submerged arc furnace according to claim 2, characterized in that, A flow meter (20), a flow switch (30), and a thermometer (40) are sequentially installed on the gas-water feed pipe (50) along the water outlet direction.

4. The circulating water-gas-water separation system for a submerged arc furnace according to claim 2, characterized in that, A return water inlet pipe (110) is provided between the gas-water separator (60) and the radiator (80).

5. The circulating water-gas-water separation system for a submerged arc furnace according to claim 4, characterized in that, A return water outlet pipe (120) is provided between the radiator (80) and the circulating water pump (90); the return water outlet pipe (120) is located below the return water inlet pipe (110).

6. The circulating water-gas-water separation system for a submerged arc furnace according to claim 5, characterized in that, The gas-water separator (60) is provided with a separator inlet (601), a water outlet (602), and an air outlet (603); the cooling water outlet (102) is connected to the separator inlet (601) through the gas-water feed pipe (50); the water outlet (602) is connected to the radiator (80) through the return water inlet pipe (110); and the exhaust valve (70) is provided on the air outlet (603).

7. The circulating water-gas-water separation system for a submerged arc furnace according to claim 1, characterized in that, The circulating water-gas-water separation system of the electric arc furnace also includes a drain pipe (130) connected to the radiator (80).

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