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CN-224207727-U - Sodium borohydride reaction device with high safety and waste gas absorption function

CN224207727UCN 224207727 UCN224207727 UCN 224207727UCN-224207727-U

Abstract

The utility model relates to the field of waste gas treatment, in particular to a sodium borohydride reaction device with high safety and waste gas absorption function, which comprises a reaction kettle, wherein an air duct is fixedly arranged on the right side of the upper end of the reaction kettle, one end of the air duct, which is far away from the reaction kettle, is fixedly connected with a water seal box, the upper end of the water seal box is fixedly provided with a driving module, the output end of the driving module extends to the inside of the water seal box, a transmission shaft is fixedly arranged on the surface of the transmission shaft, and a stirring rod is fixedly arranged on the surface of the transmission shaft.

Inventors

  • WANG JUN
  • Na Haihu

Assignees

  • 辽宁东翔化工科技有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (7)

  1. 1. A sodium borohydride reaction device with high safety and waste gas absorption function comprises a reaction kettle (1) and is characterized in that an air duct (2) is fixedly arranged on the right side of the upper end of the reaction kettle (1), one end of the air duct (2) away from the reaction kettle (1) is fixedly connected with a water seal box (3), a driving module (4) is fixedly arranged at the upper end of the water seal box (3), the output end of the driving module (4) extends to the inner part of the water seal box (3) and is fixedly provided with a transmission shaft (5), the surface of the transmission shaft (5) is fixedly provided with a stirring rod (6), the front side of the right end of the water seal box (3) is fixedly connected with an external water inlet pipe (7), the rear side of the right end of the water seal box (3) is fixedly connected with an external medicine adding pipe (8), the right side of the upper end of the water seal box (3) is fixedly connected with an exhaust pipe (9), one end of the exhaust pipe (9) away from the water seal box (3) is fixedly connected with a waste gas treatment box (10), the inner part of the waste gas treatment box (10) is provided with an adsorption filter plate (11), the front end of the adsorption filter plate (11) extends to the inner side of the water seal box (10) and is provided with an outer side of the waste gas treatment box (12), the front end of the adsorption filter plate (12) is fixedly connected with a spring (12), the inner side of the inner side (14) is provided with a movable connecting plate (13), the inner side of the spring (14) is fixedly provided with a sealing joint groove (13), an arc-shaped groove (16) is formed in the inner side of the adsorption filter plate (11).
  2. 2. The sodium borohydride reaction device with high safety and waste gas absorption function according to claim 1 is characterized in that a nitrogen inlet pipe (17) is fixedly connected to the left side of the upper end of the reaction kettle (1), a flowmeter is arranged on the nitrogen inlet pipe (17), and an electric control valve is arranged on the air guide pipe (2).
  3. 3. The sodium borohydride reaction device with high safety and waste gas absorption function according to claim 1 is characterized in that a first drain pipe (18) is fixedly connected to the lower side of the left end of the water seal box (3), a second drain pipe (19) is fixedly connected to the upper side of the left end of the water seal box (3), the same electric control valve is arranged on the first drain pipe (18), and check valves are arranged on the external water inlet pipe (7) and the external dosing pipe (8).
  4. 4. The sodium borohydride reaction device with high safety and waste gas absorption function according to claim 3, wherein the output end of the driving module (4) is rotationally connected with the water seal box (3), the driving module (4) is used for driving the transmission shaft (5) and the stirring rod (6) to rotate, and the stirring rods (6) are distributed at equal intervals.
  5. 5. The sodium borohydride reaction device with high safety and waste gas absorption function according to claim 4, wherein the front end of the water seal box (3) is provided with a strip-shaped observation window (20), a sliding rod (21) is fixedly arranged in the water seal box (3) and positioned at the side of the strip-shaped observation window (20), and a floating block (22) is connected to the surface of the sliding rod (21) in a sliding manner.
  6. 6. The sodium borohydride reaction device with high safety and waste gas absorption function according to claim 1, wherein a fan (23) is fixedly arranged at the upper end of the waste gas treatment box (10), and a waste gas collecting pipe (24) is fixedly arranged at the upper end of the fan (23).
  7. 7. The sodium borohydride reaction device with high safety and waste gas absorption function according to claim 1, wherein the adsorption filter plate (11) is slidably connected with the waste gas treatment box (10), the sealing connection plate (12) is detachably connected with the waste gas treatment box (10), the adsorption filter plate (11) is in clamping connection with the sealing connection plate (12), the clamping ball (15) is slidably connected with the movable groove (13), and the clamping ball (15) is mutually matched with the arc-shaped groove (16).

Description

Sodium borohydride reaction device with high safety and waste gas absorption function Technical Field The utility model relates to the field of waste gas treatment, in particular to a sodium borohydride reaction device with high safety and waste gas absorption function. Background Sodium borohydride is a widely used strong reducing agent, the core reaction mechanism of the sodium borohydride depends on the reducibility of tetrahydroborate anions, the sodium borohydride can adapt to diversified reduction requirements by regulating and controlling reaction conditions and additives, the sodium borohydride becomes an indispensable reagent in laboratories and industry, a reaction device of the sodium borohydride is designed according to different requirements of preparation and purification stages, the reaction device mainly relates to key modules such as gas protection, condensation reflux, continuous extraction and the like, the sodium borohydride reaction can generate waste gas, the sodium borohydride can release hydrogen during the reaction process, the hydrogen is usually regarded as waste gas without reduction effect in the system, in addition, other waste gas can be generated during the treatment process of the sodium borohydride, for example, harmful gas can be generated during the pyrolysis treatment process, and corresponding purification measures are needed during the treatment process to ensure that the emission meets the environmental protection standard. For example, patent number (CN 204702503U) discloses a reaction device for producing hydrogen by sodium borohydride, which comprises a solution storage mechanism, a hydrogen production reaction mechanism and a control system, wherein the hydrogen production reaction mechanism is provided with a hydrogen production catalyst, the hydrogen production reaction mechanism is arranged in the solution storage mechanism, the control system is connected with the hydrogen production reaction mechanism and is used for controlling the action of the hydrogen production reaction mechanism and monitoring the temperature and pressure in the reaction system, and the solution storage mechanism is provided with a hydrogen output port. The hydrogen production reaction mechanism comprises a reaction bed body and a rotary driving mechanism, wherein the rotary driving mechanism is connected with the reaction bed body to drive the reaction bed body to rotate, and the control system is connected with the rotary driving mechanism to control the rotary driving mechanism to rotate and monitor the temperature and the pressure of the reaction system in real time. The reaction device for preparing hydrogen by sodium borohydride provided by the utility model can effectively solve the concentration gradient problem existing between reaction solutions in the existing reaction system, and simultaneously solve the technical problem that the catalyst is deactivated due to the fact that reaction byproducts in the existing reaction system are covered on the surface of the catalyst. At present, when the sodium borohydride reaction device works, the waste gas treatment structure has certain limitation, the waste gas treatment capability other than hydrogen is weaker, sodium borohydride can also generate other waste gas during treatment, harmful gas can be generated during pyrolysis treatment, and the treatment capability of the waste gas treatment structure is single, so that the treatment effect on the waste gas can be further influenced. Therefore, in order to solve the above-mentioned problems, a sodium borohydride reaction apparatus having an exhaust gas absorption function with high safety can be designed. Disclosure of utility model In order to overcome the problems that the sodium borohydride reaction device has single treatment capacity of an exhaust gas treatment structure and weaker treatment capacity of other exhaust gases except hydrogen and further influences the treatment effect of the exhaust gas when the sodium borohydride reaction device works. The technical scheme includes that the sodium borohydride reaction device with the high safety and the waste gas absorption function comprises a reaction kettle, an air duct is fixedly arranged on the right side of the upper end of the reaction kettle, one end, far away from the reaction kettle, of the air duct is fixedly connected with a water seal box, a driving module is fixedly arranged at the upper end of the water seal box, an output end of the driving module extends to the inner part of the water seal box, a transmission shaft is fixedly arranged on the surface of the transmission shaft, a stirring rod is fixedly arranged on the surface of the transmission shaft, an external water inlet pipe is fixedly connected to the front side of the right end of the water seal box, an external dosing pipe is fixedly connected to the rear side of the right end of the water seal box, an exhaust pipe is fixedly connected to the right side of