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CN-224230236-U - Isooctyl nitrate production factory building safety device and system

CN224230236UCN 224230236 UCN224230236 UCN 224230236UCN-224230236-U

Abstract

The utility model relates to the technical field of isooctyl acid production, in particular to a plant safety protection device and system for isooctyl nitrate production, comprising an air inlet fan, an air outlet fan and a ventilation mechanism, wherein the air inlet fan and the air outlet fan are arranged on two opposite walls of a plant, the ventilation mechanism is arranged on the walls of the plant and comprises a replacement component arranged on one side of the air outlet fan and a ventilation component arranged on the walls of the plant and covered on the air outlet fan; the replacement assembly is matched with the ventilation assembly, the movable plate driven by the electric push rod is matched with the double replacement port design, the mechanical pushing and replacement of the activated carbon module are carried out, the whole operation process is carried out in a sealed way, and the personnel are prevented from directly contacting toxic substances. The spline rod-slide rail mechanism ensures balanced stress when the box cover is opened and closed, a push plate pressing system pre-stressed by a spring is combined, module positioning reliability under the condition of high air tightness is ensured, the air inlet fan and the high-position air outlet fan form laminar ventilation, the structural layout of the air outlet fan is matched with the adsorption box body to cover the air outlet fan, and polluted air directionally flows through the activated carbon adsorption layer.

Inventors

  • LI ZHENGJUN
  • LIU SHUHONG
  • WEI BANGQUAN
  • HUANG GUORONG
  • ZHANG JUNLAN

Assignees

  • 甘肃宏北环保科技有限公司

Dates

Publication Date
20260512
Application Date
20250410

Claims (6)

  1. 1. The plant safety protection device and system for the isooctyl nitrate production comprises an air inlet fan (1) and an air outlet fan (2) which are arranged on two opposite walls of a plant and a ventilation mechanism arranged on the walls of the plant, and is characterized by comprising a replacement component arranged on one side of the air outlet fan (2) on the walls of the plant and a ventilation component arranged on the walls of the plant and covered on the air outlet fan (2), wherein the replacement component is matched with the ventilation component.
  2. 2. The safety protection device and system according to claim 1, wherein the replacement assembly comprises a placement box (3) detachably connected to a factory wall, a box cover (4) hinged to the placement box (3) and an electric push rod (5) arranged on the factory wall and located at the bottom of the placement box (3), a first replacement opening is formed in the placement box (3) in a penetrating mode, a push plate (7) is connected to the box cover (4) in a sliding mode through a sliding rod (6), a spring (8) is sleeved on the sliding rod (6), two ends of the spring (8) are connected with the box cover (4) and the push plate (7) respectively, a moving rod (9) is connected to an output shaft of the electric push rod (5), and a moving plate (10) is connected to the moving rod (9) and is matched with the replacement opening.
  3. 3. The safety protection device and system according to claim 2, wherein the ventilation assembly comprises an adsorption box (11) detachably connected to a factory wall and covered on the air outlet fan (2), and a ventilation cover (12) arranged on the adsorption box (11), a second replacement port matched with the first replacement port is formed in the adsorption box (11) in a penetrating mode, and a ventilation pipe (13) is connected to the ventilation cover (12).
  4. 4. The safety device and system according to claim 2, wherein the push plate (7) is rotatably connected with a spline rod (14), the case cover (4) is provided with a key slot adapted to the case cover (4), and the spline rod (14) can slide in the key slot.
  5. 5. Safety device and system according to claim 1, characterized in that the wall of the plant is provided with a chute (15) on the other side of the outlet fan (2).
  6. 6. The safety device and system according to claim 1, comprising a plurality of sensors and alarms arranged in a factory building, wherein the sensors, the alarms, the air inlet fan (1), the air outlet fan (2) and the electric push rod (5) are all interlocked with a PLC controller.

Description

Isooctyl nitrate production factory building safety device and system Technical Field The utility model relates to the technical field of isooctyl nitrate production, in particular to a safety protection device and system for an isooctyl nitrate production plant. Background In the isooctyl nitrate production process, a great amount of poisonous and harmful gases such as nitrogen oxides (NOx), nitric acid vapor (HNO) and the like are generated in the nitration reaction stage, and organic solvents such as isooctyl alcohol and the like are easy to form Volatile Organic Compounds (VOCs). The existing factory building generally adopts a fixed ventilation system to be matched with an activated carbon adsorption device to treat harmful gas, but has obvious defects in practical application: 1) Activated carbon adsorption module the replacement is required to be stopped and disassembled, the operation is complex and the risk of secondary pollution exists; 2) The traditional ventilation system can not realize real-time response of harmful gas concentration, and ventilation deficiency or energy waste often occur; 3) The lack of a multi-parameter linkage control system makes it difficult to timely early warn and treat sudden gas leakage accidents. These problems severely restrict the production safety and the environment-friendly standard reaching capability. Disclosure of utility model The utility model aims to provide a safety protection device and system for an isooctyl nitrate production plant, which are mainly used for solving the problems that the activated carbon adsorption module in the background art is required to be shut down for disassembly and assembly during replacement, the operation is complex and the secondary pollution risk exists. The technical scheme is that the factory building safety protection device and system for the isooctyl nitrate production comprises an air inlet fan, an air outlet fan and a ventilation mechanism, wherein the air inlet fan and the air outlet fan are arranged on two opposite walls of a factory building, the ventilation mechanism is arranged on the walls of the factory building and comprises a replacement component arranged on one side of the air outlet fan and a ventilation component arranged on the walls of the factory building and covered on the air outlet fan, and the replacement component is matched with the ventilation component. Further, the replacement assembly comprises a placement box detachably connected to a factory wall, a box cover hinged to the placement box and an electric push rod arranged on the factory wall and located at the bottom of the placement box, a first replacement opening is formed in the placement box in a penetrating mode, a push plate is connected to the box cover in a sliding mode through a sliding rod in a sliding mode, a spring is sleeved on the sliding rod, two ends of the spring are connected with the box cover and the push plate respectively, a moving rod is connected to an output shaft of the electric push rod, a moving plate is connected to the moving rod, and the moving plate is matched with the replacement opening. Further, the ventilation assembly comprises an adsorption box detachably connected to a factory wall and covered on the air outlet fan, and a ventilation cover arranged on the adsorption box, a second replacement port matched with the first replacement port is formed in the adsorption box in a penetrating mode, and a ventilation pipe is connected to the ventilation cover. Further, the push plate is rotationally connected with a spline rod, a key groove matched with the box cover is formed in the box cover, and the spline rod can slide in the key groove. Further, a chute positioned at the other side of the air outlet fan is arranged on the wall of the factory building. Further, the safety protection system comprises a plurality of sensors and alarms which are arranged in the factory building, and the sensors, the alarms, the air inlet fan, the air outlet fan and the electric push rod are all interlocked with the PLC. Compared with the prior art, the utility model has the following beneficial effects: 1. And the modular replacement and the safety isolation are realized by matching a moving plate driven by an electric push rod with a double-replacement-port design, so that the mechanical pushing replacement of the activated carbon module is realized, the whole operation process is performed in a closed way, and the personnel is prevented from directly contacting toxic substances. The spline rod-slide rail mechanism ensures balanced stress when the box cover is opened and closed, and combines a push plate pressing system pre-tightened by a spring to ensure the positioning reliability of the module under the condition of high air tightness. 2. And the intelligent airflow organization optimization comprises laminar ventilation of the air inlet fan and the high-position air outlet fan, and directional flowing of the polluted gas t