CN202497871U - Normal safety exhaust pipeline of reaction kettle - Google Patents

Abstract

The utility model discloses a pipeline for normal and safe exhaust of a reactor, which comprises an emergency exhaust pipe, a safety exhaust pipe, a normal exhaust pipe, an oxygen inlet pipe, a steam inlet pipe, and an ore pulp inlet pipe arranged on the reactor. Material pipe and slurry discharge pipe. The emergency exhaust pipe, the safety exhaust pipe, the normal exhaust pipe, the pulp feeding pipe and the pulp discharging pipe are all arranged on the upper part of the reaction kettle, and the pulp feeding pipe and the pulp discharging pipe are respectively located at the head of the upper part of the reaction kettle. The normal exhaust pipe is set close to the pulp discharge pipe, the steam inlet pipe is set on the side of the reactor, and the oxygen inlet pipe is set at the bottom of the reactor; emergency exhaust pipe, safety exhaust pipe, normal exhaust pipe The diameter of the trachea is between DN40-80. The utility model ensures the balance and pressure balance of the materials in and out of the reactor, that is, maintains the pressure balance in the reactor, and also solves the source of the accident of the reactor running out of liquid, so that the reactor can operate safely and efficiently.

Description

Normal safety vent line for reactor

technical field

The utility model relates to a normal safety exhaust pipeline of a reaction kettle.

Background technique

Reactors are often used in hydrometallurgy, and the working conditions are mostly high temperature, high pressure and high corrosiveness. In order to ensure the normal, stable and safe production of the reactors, the general reactors are equipped with three gas discharge ports, and one is an emergency discharge port. In case of emergency, manually or automatically start the switch valve to release pressure to ensure the safety of the reactor. The other is a safety discharge port. A safety valve is set according to the design working pressure of the reactor. Once the pressure in the reactor exceeds the set safety value , the safety valve will automatically open and release pressure to ensure the safety of the reactor. The normal exhaust of the reactor is the third discharge port, that is, the exhaust of the normal discharge port to ensure the pressure balance in the reactor to maintain the production. In normal operation, the reactor is also equipped with a separate oxygen inlet pipe, steam inlet pipe, pulp feed pipe and pulp discharge pipe. The materials entering the reactor generally include oxygen, steam, ore pulp, etc., and the materials discharged from the reactor generally contain waste gas. , ore pulp, the materials entering the reactor and the discharged materials must be effectively combined to ensure the normal operation of the reactor, but in actual production, accidents of "running out of the tank" often occur in the reactor, that is, the material should be discharged from the reactor A large amount of ore pulp discharged from the pipe is discharged from the normal exhaust port, which poses a great safety hazard to the operation of the reactor, and the production cannot continue. The accident of "fluid leakage" in the reactor has always been a problem that plagues the production of enterprises in the industry. The main reason is that the materials in and out of the reactor are not balanced, and the pressure in the reactor cannot be balanced.

Utility model content

The utility model provides a normal and safe exhaust pipeline for the reaction kettle to ensure the normal and safe operation of the reaction kettle, aiming at the accident of liquid leakage and leakage of the reaction kettle in the prior art.

The normal safety exhaust pipeline of the reactor described in the utility model includes an emergency exhaust pipe connected to the reactor, a safety exhaust pipe, a normal exhaust pipe, an oxygen inlet pipe, a steam inlet pipe, an ore slurry feed pipe and Slurry discharge pipe. The emergency exhaust pipe, safety exhaust pipe, normal exhaust pipe, pulp feed pipe and pulp discharge pipe are all arranged on the upper part of the reactor, and the pulp feed pipe and pulp discharge pipe are respectively located on the upper part of the reactor At both ends of the head and tail, the normal exhaust pipe is set close to the pulp discharge pipe, the steam inlet pipe is set on the side of the reaction kettle, and the oxygen inlet pipe is set at the bottom of the reaction kettle; the emergency exhaust discharge pipe, safety exhaust pipe The diameter of the trachea and normal exhaust pipe is between DN40-80.

An emergency exhaust valve is arranged on the emergency exhaust pipe, a safety valve is arranged on the safety exhaust pipe to ensure the safe use of the reactor, a manual regulating valve is arranged on the normal exhaust pipe, and the three valves are all close to the reaction The interface of the kettle is set, and an automatic regulating valve is set behind the manual regulating valve. The manual regulating valve provides convenience for the maintenance of the automatic regulating valve.

The pipeline of the normal exhaust pipe adopts a jacketed pipe, the middle of the pipe is exhausted, and the outer wall steam is heated or kept warm. The structure of the jacketed pipe provides a strong guarantee for ensuring the smoothness of the exhaust pipe.

The three exhaust ports of the utility model are all arranged on the upper part of the reaction kettle, the steam enters from the side of the kettle body, the oxygen enters from the bottom of the kettle body, the pulp feeding pipe and the pulp discharging pipe are respectively arranged on the head, The two ends of the tail effectively ensure the balance of the material entering and leaving the reactor and the pressure balance. The normal exhaust port is set close to the slurry discharge pipe at the end of the reactor, which leaves enough space and time for the materials entering the reactor to fully react, and the exhaust gas discharged from the normal exhaust port is fully reacted. The utility model ensures the balance and pressure balance of the materials in and out of the reactor, that is, maintains the pressure balance in the reactor, and solves the source of the accident of liquid leakage in the reactor, so that the reactor can operate safely and efficiently. the

Description of drawings

Fig. 1 is a schematic layout of the utility model.

Detailed ways

As shown in Figure 1, the pipeline for the normal safety exhaust of the reactor described in the utility model includes an emergency exhaust pipe 5, a safety exhaust pipe 6, a normal exhaust pipe 7, an oxygen exhaust pipe arranged on the upper part of the reactor 8 The inlet pipe 4, the steam inlet pipe 3, the pulp feed pipe 1 and the pulp discharge pipe 2, the pulp feed pipe 1 and the pulp discharge pipe 2 are respectively located at the head and tail ends of the upper part of the reaction kettle 8, and their pipelines are respectively The feed valve 11 and the discharge valve 21 are set, the normal exhaust pipe 7 is set close to the slurry discharge pipe 2, the steam inlet pipe 3 is set on the side of the reaction kettle 8, and the steam regulating valve 31 is set on the pipeline, and the oxygen inlet pipe 4 It is arranged at the bottom of the reaction kettle 8, and an oxygen regulating valve 41 is arranged on its pipeline. An emergency exhaust valve 51 is arranged on the emergency exhaust pipe 5, and a safety valve 61 is arranged on the safety exhaust pipe 6 to ensure the safe use of the reactor. A manual regulating valve 71 is arranged on the normal exhaust pipe 7, and the above valves All are arranged near the interface of the reaction kettle 8, and an automatic regulating valve 72 is arranged behind the manual regulating valve 71, and the manual regulating valve 71 provides convenience for the maintenance of the automatic regulating valve 72. The pipe diameters of emergency exhaust pipe 5, safety exhaust pipe 6 and normal exhaust pipe 7 are between DN40-80. The pipeline of normal exhaust pipe 7 adopts jacket pipe, exhausts in the middle of pipeline, and outer wall steam heating or insulation.

Reasonably adjust the amount of materials added, such as the amount of oxygen and steam, reasonably adjust the valve opening of each exhaust pipe, and adjust the exhaust volume of the exhaust pipe in time according to the temperature and pressure of the reactor. In actual production, online control adjustment is adopted. In principle, the valve of the exhaust pipe should be opened as small as possible to prevent the slurry from being discharged from the exhaust pipe. When the utility model is in use, check whether the reactor body, auxiliary facilities, and pipeline valves are in good condition, adjust the emergency exhaust valve 51 to the closed position, the safety valve 61 to the normal safe position, and the manual control valve 71 to the fully open position. First open the discharge valve 21, then open the feed valve 11, the pulp is pumped into the reactor 8 by the high-pressure pump, according to the temperature and pressure in the reactor 8, use the steam regulating valve 31 and the oxygen regulating valve 41 to adjust and control the amount of steam and the amount of oxygen, the temperature is generally required to be 145-155°C, and the pressure is 1100kPa-1300kPa. At this time, the automatic regulating valve 72 of the normal exhaust pipeline enters the online control program for adjustment, and the opening degree of the valve is changed from large to small to maintain the pressure of the reactor 8. The pressure is balanced to ensure the normal and safe exhaust of the reactor 8.

When the automatic regulating valve 72 of the normal exhaust pipeline needs maintenance, the manual regulating valve 71 in front of it is closed, and the automatic regulating valve 72 is pulled down to get final product.

Claims (3)

1. A normal safety exhaust pipeline of a reactor, including an emergency exhaust pipe connected to the reactor, a safety exhaust pipe, a normal exhaust pipe, an oxygen inlet pipe, a steam inlet pipe, an ore slurry feed pipe and an ore slurry The discharging pipe is characterized in that: the emergency exhaust pipe, the safety exhaust pipe, the normal exhaust pipe, the pulp feeding pipe and the pulp discharging pipe are all arranged on the upper part of the reaction kettle, and the pulp feeding pipe and the pulp The discharge pipes are respectively located at both ends of the head and tail of the upper part of the reaction kettle, the normal exhaust pipe is set close to the slurry discharge pipe, the steam inlet pipe is arranged on the side of the reaction kettle, and the oxygen inlet pipe is arranged at the bottom of the reaction kettle; The pipe diameters of accident exhaust pipe, safety exhaust pipe and normal exhaust pipe are between DN40-80. 2. The normal safety exhaust pipeline of the reaction kettle as claimed in claim 1, characterized in that: an emergency exhaust valve is arranged on the emergency exhaust pipe, a safety valve is arranged on the safety exhaust pipe, and the normal exhaust A manual regulating valve is arranged on the air pipe, and the three valves are all arranged near the interface of the reaction kettle, and an automatic regulating valve is arranged behind the manual regulating valve. 3. The normal safety exhaust pipeline of the reaction kettle according to claim 1, characterized in that: the pipeline of the normal exhaust pipe adopts a jacketed pipe, the middle of the pipeline is exhausted, and the outer wall is heated or kept warm by steam.

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