WO2017211242A1 - 一种用于安全柜的危险气体净化装置 - Google Patents

一种用于安全柜的危险气体净化装置 Download PDF

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Publication number
WO2017211242A1
WO2017211242A1 PCT/CN2017/087122 CN2017087122W WO2017211242A1 WO 2017211242 A1 WO2017211242 A1 WO 2017211242A1 CN 2017087122 W CN2017087122 W CN 2017087122W WO 2017211242 A1 WO2017211242 A1 WO 2017211242A1
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Prior art keywords
filter
fan
box
electric control
safety cabinet
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PCT/CN2017/087122
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English (en)
French (fr)
Inventor
孙戟
Original Assignee
杰斯瑞特安全科技（无锡）有限公司
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Publication of WO2017211242A1 publication Critical patent/WO2017211242A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic

Definitions

  • the utility model relates to the field of dangerous gas purification equipment, in particular to the field of flammable and explosive gas purification equipment, in particular to a dangerous gas purification device for a safety cabinet.
  • safety cabinets are often used to store dangerous flammable and explosive materials. During the storage of flammable and explosive materials, flammable and explosive gases are often volatilized, so to improve the safety of safety cabinets.
  • the dangerous gas in the safety cabinet is purified by an external dangerous gas purification device to reduce the concentration of dangerous gas in the safety cabinet and ensure safety.
  • the existing dangerous gas purification device for the safety cabinet is that the air mixed with dangerous gas in the safety cabinet is taken out by the fan and then the dangerous gas is adsorbed through the activated carbon filter core, but the electric control is operated by the fan, the filter element and the control fan.
  • the boxes are all set in the purifying box body, and the electric control box adopts the method of setting the cable holes to complete the electric control cable threading electronic control connection between the fan and the electric control box; the cable hole sealing effect on the electric control box is adopted.
  • the present invention provides a dangerous gas purification device for a safety cabinet, which can solve the problem that the existing device has an unreliable sealing of the cable hole of the electric control box, and the dangerous gas enters the electric control box.
  • the technical solution is a dangerous gas purification device for a safety cabinet, which comprises a filter box, a filter element, a fan and an electric control box, wherein the filter element and the fan are all installed in the filter box, the fan
  • the electrical control box is electrically connected to the electric control box, and the electric control box is disposed outside the filter box, and the electric control box is electrically connected to the fan through an integral insulated wire harness.
  • the fan is driven by a speed adjustable DC brushless motor.
  • an air inlet port sensor for detecting a concentration of a dangerous gas at the air inlet is installed in the air filter port, and the air inlet port sensor and the electric control box are connected to each other.
  • the filter element and the fan are sequentially arranged in the filter box, and the front side wall of the filter box is provided with an air inlet corresponding to the position of the air inlet of the filter element, and the filter element is The air outlet is directly opposite to the air inlet of the fan, and the fan is provided with a top air outlet, and the air outlet of the top cover of the filter box corresponding to the air outlet of the fan top is provided with an air outlet.
  • an air outlet sensor for detecting a dangerous gas concentration of the air outlet is installed in the filter box at a gas outlet side of the filter element, and the air outlet sensor is sensed between the air outlet port and the electric control box. Data Connections.
  • the filter element is provided with at least two, and the at least two filter elements are stacked in series.
  • the utility model has the beneficial effects that: by electrically connecting the electric control box to the outside of the filter box, the same electric control box and the fan disposed in the filter box are electrically connected through the integral insulated wire harness, thereby ensuring the danger in the filter box. Reliable isolation of gas and electric control box to prevent dangerous gas from entering the electric control box and causing explosion, ensuring safe production; meanwhile, because the filter box and the electric control box are separately arranged, the electric control box can be set for easy operation by personnel. The position is easy to monitor, so that the alarm situation can be handled by the personnel.
  • the fan is driven by a variable speed brushless DC motor, so it can meet the needs of different working places, especially according to the dangerous gas entering the filter box.
  • the concentration of the fan is used to control the suction air volume of the fan.
  • concentration of the dangerous gas in the filter box is too high, the speed of the brushless DC motor is increased to reduce the air intake of the fan, thereby effectively avoiding the excessive concentration of dangerous gases in the filter box.
  • the air inlet port on the air inlet side of the filter box is installed to monitor the concentration of dangerous gas in the air entering the filter box. When the dangerous gas concentration reaches a preset threshold, the electric control box cuts off the power and alarms, which further ensures the safety of operation.
  • the air outlet sensor provided on the air outlet side of the filter element in the filter box when the dangerous gas concentration of the filter outlet port exceeds the harmful limit, the electric control box performs an alarm to replace the filter element, so as to effectively avoid The dangers and damages caused by the discharge of dangerous gas that meets the standards to the environment and personnel are guaranteed to achieve harmless emissions.
  • 1 is a schematic structural view of a dangerous gas purification device for a safety cabinet according to the present invention.
  • the utility model relates to a dangerous gas purification device for a safety cabinet, which comprises a filter box 1, a filter element 2, a fan 3 and an electric control box 4, and the filter element 2 and the fan 3 are all installed in the filter box.
  • the electric control box 4 is disposed outside the filter box, and the electric control box 4 and the fan 3 are electrically connected through the integral insulated wire harness 5; wherein the fan 3 is driven by a speed adjustable DC brushless motor.
  • the filter element 2 and the fan 3 are sequentially arranged in the filter box 1.
  • the front side wall of the filter box 1 corresponds to the position of the air inlet of the filter element 2, and is provided with an air inlet 6 through which the air inlet 6 can pass through an external line.
  • the vent opening of the safety cabinet is connected, and the air outlet of the filter element 2 is directly opposite to the air inlet of the fan; the fan is provided with a top air outlet 7, and the top cover of the filter box 1 is corresponding to the air outlet 7 of the fan top, and an air outlet is provided (Fig.
  • the filter element 2 is provided with at least two, at least two filter elements 2 are stacked in series, and at least two filter elements 2 can be selected from the same filter material or different filter materials according to various types of different dangerous gases, thereby improving different
  • the purification effect of hazardous gases ensures that the purified gas reaches a harmless discharge.
  • two filter elements 2 are provided in total.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Ventilation (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

一种用于安全柜的危险气体净化装置，包括过滤箱（1）、滤芯（2）、风机（3）和电控箱（4），滤芯（2）、风机（3）均安装于过滤箱（1）内，风机（3）与电控箱（4）之间电控连接，电控箱（4）分设于过滤箱（1）外部，电控箱（4）与风机（3）通过一体绝缘线束（5）电性连接。

Description

一种用于安全柜的危险气体净化装置 技术领域
[0001] 本实用新型涉及危险气体净化设备领域， 尤其是涉及易燃易爆气体净化设备领 域， 具体为一种用于安全柜的危险气体净化装置。
背景技术
[0002] 通常工厂、 实验室多通过安全柜来存放危险的易燃易爆材料， 易燃易爆材料的 存放过程中往往会挥发产生易燃易爆的危险气体， 因此为了提高安全柜的安全 性， 目前多是通过外置的危险气体净化装置对安全柜内的危险气体进行净化处 理从而来达到降低安全柜内危险气体浓度、 保障安全性的目的。 现有的用于安 全柜的危险气体净化装置是通过风机将安全柜内的混合有危险气体的空气抽出 然后经由活性炭滤芯吸附危险气体后外排， 但是由于风机、 滤芯以及控制风机 工作的电控箱都设置在净化箱体内， 电控箱上都是采用幵设线缆孔的方式来完 成风机与电控箱之间电控线缆穿线电控连接； 受到电控箱上线缆孔密封效果的 影响， 由风机从安全柜内引出的含有危险气体的空气及易通过密封不良的线缆 孔进入电控箱内从而引发***等严重事故， 危及生产安全。
技术问题
[0003] 针对上述问题， 本实用新型提供了一种用于安全柜的危险气体净化装置， 其能 解决现有装置存在的因电控箱线缆孔密封不可靠而导致危险气体进入电控箱引 发***隐患的问题。
问题的解决方案
技术解决方案
[0004] 其技术方案为， 一种用于安全柜的危险气体净化装置， 其包括过滤箱、 滤芯、 风机和电控箱， 所述滤芯、 风机均安装于所述过滤箱内， 所述风机与所述电控 箱之间电控连接， 其特征在于： 所述电控箱分设于所述过滤箱外部， 所述电控 箱与所述风机通过一体绝缘线束电性连接。
[0005] 进一步的， 所述风机采用可调速的直流无刷电机驱动。 [0006] 进一步的， 所述过滤箱内并位于进风口侧安装有用于检测进风口处危险气体浓 度的进风口传感器， 所述进风口传感器与所述电控箱之间传感数据连接。
[0007] 进一步的， 所述滤芯、 风机依次顺序排布设置于所述过滤箱内， 所述过滤箱的 前侧壁对应所述滤芯进气口的位置幵设有进风口， 所述滤芯的出气口与所述风 机进风口正对设置， 所述风机设有顶部出风口， 过滤箱的顶盖上对应所述风机 顶部出气口的位置幵设有出风口。
[0008] 进一步的， 所述过滤箱内位于所述滤芯的气体出口处侧还安装有用于出风口危 险气体浓度检测的出风口传感器， 所述出风口传感器与所述电控箱之间传感数 据连接。
[0009] 进一步的， 所述滤芯设置有至少两个， 所述至少两个滤芯层叠串联。
发明的有益效果
有益效果
[0010] 本实用新型的有益效果在于： 其通过将电控箱分设于过滤箱外部、 同吋电控箱 与设置于过滤箱内的风机通过一体绝缘线束电性连接， 保证了过滤箱内危险气 体与电控箱的可靠隔绝， 杜绝危险气体进入电控箱而引发***的情况， 确保安 全生产； 同吋， 由于过滤箱与电控箱分体设置， 电控箱能够设置于人员便于操 作、 便于监控的位置， 以便出现报警情况吋人员能够及吋处置； 另外， 风机采 用了可调速的无刷直流电机驱动， 故能满足不同工作场合的需求， 特别是能根 据进入过滤箱内危险气体的浓度大小来对风机的吸风量进行控制， 当过滤箱内 危险气体浓度过高吋将无刷直流电机的转速调高从而减少风机的吸风量， 有效 避免因过滤箱内危险气体浓度过高而存在***危险， 从源头上避免了燃爆的危 险性， 确保生产安全； 此外， 通过在过滤箱内的进风口侧安装进风口传感器来 对进入过滤箱内空气中危险气体的浓度进行监测， 当危险气体浓度达到预设阈 值吋电控箱切断电源并报警， 也进一步保证了运行的安全性； 同吋， 其在过滤 箱内的滤芯出气口侧设置的出风口传感器， 当滤芯出气口的危险气体浓度达超 过有害限值吋电控箱进行需更换滤芯的提示报警， 以有效避免未净化达标的危 险气体排放给环境、 人员带来的危险和损害， 保证达到无害化排放。
对附图的简要说明 附图说明
[0011] 图 1为本实用新型一种用于安全柜的危险气体净化装置的结构示意图。 其中， 1 -过滤箱壳体， 2-滤芯， 3-风机， 4-电控箱， 5-—体绝缘线束， 6-进风口， 7-风机 顶部出风口， 8-进风口传感器， 9-出风口传感器。
本发明的实施方式
[0012] 见图 1， 本实用新型一种用于安全柜的危险气体净化装置， 其包括过滤箱 1、 滤 芯 2、 风机 3和电控箱 4， 滤芯 2、 风机 3均安装于过滤箱内， 电控箱 4分设于过滤 箱外部， 电控箱 4与风机 3通过一体绝缘线束 5电性连接； 其中风机 3采用可调速 的直流无刷电机驱动。
[0013] 滤芯 2、 风机 3依次顺序排布设置于过滤箱 1内， 过滤箱 1的前侧壁对应滤芯 2进 气口的位置幵设有进风口 6， 进风口 6可通过外接管路与安全柜的通风口连接， 滤芯 2的出气口与风机进风口正对设置； 风机设有顶部出风口 7， 过滤箱 1的顶盖 上对应风机顶部出风口 7的位置幵设有出风口 （图 1中顶盖未示出） ； 过滤箱内 位于进风口 6侧安装有用于检测进风口处危险气体浓度的进风口传感器 8， 进风 口传感器 8与电控箱 4之间传感数据连接； 过滤箱 1内位于滤芯 2的气体出口处侧 还安装有用于出风口危险气体浓度检测的出风口传感器 9， 出风口传感器 9与电 控箱 4之间传感数据连接。 滤芯 2设置有至少两个， 至少两个滤芯 2层叠串联， 并 且至少两个滤芯 2可以选用相同的过滤材料也可以根据不同危险气体的各类设置 对应的不同的过滤材料， 从而可以提高不同各类危险气体的净化效果， 确保经 净化处理后的气体达到无害化排放。 本实施例中滤芯 2共设置有两个。

Claims

权利要求书
[权利要求 1] 一种用于安全柜的危险气体净化装置， 一种用于安全柜的危险气体净 化装置， 其包括过滤箱、 滤芯、 风机和电控箱， 所述滤芯、 风机均安 装于所述过滤箱内， 所述风机与所述电控箱之间电控连接， 其特征在 于： 所述电控箱分设于所述过滤箱外部， 所述电控箱与所述风机通过 一体绝缘线束电性连接。
[权利要求 2] 根据权利要求 1所述的一种用于安全柜的危险气体净化装置， 其特征 在于： 所述风机采用可调速的直流无刷电机驱动。
[权利要求 3] 根据权利要求 1或 2所述的一种用于安全柜的危险气体净化装置， 其特 征在于： 所述过滤箱内并位于进风口侧安装有用于检测进风口处危险 气体浓度的进风口传感器， 所述进风口传感器与所述电控箱之间传感 数据连接。
[权利要求 4] 根据权利要求 3所述的一种用于安全柜的危险气体净化装置， 其特征 在于： 所述滤芯、 风机依次顺序排布设置于所述过滤箱内， 所述过滤 箱的前侧壁对应所述滤芯进气口的位置幵设有进风口， 所述滤芯的出 气口与所述风机进风口正对设置， 所述风机设有顶部出风口， 过滤箱 的顶盖上对应所述风机顶部出气口的位置幵设有出风口。
[权利要求 5] 根据权利要求 4所述的一种用于安全柜的危险气体净化装置， 其特征 在于： 所述过滤箱内位于所述滤芯的气体出口处侧还安装有用于出风 口危险气体浓度检测的出风口传感器， 所述出风口传感器与所述电控 箱之间传感数据连接。
[权利要求 6] 根据权利要求 4所述的一种用于安全柜的危险气体净化装置， 其特征 在于： 所述滤芯设置有至少两个， 所述至少两个滤芯层叠串联。
PCT/CN2017/087122 2016-06-06 2017-06-05 一种用于安全柜的危险气体净化装置 WO2017211242A1 (zh)

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CN205699835U (zh) * 2016-06-06 2016-11-23 杰斯瑞特安全科技（无锡）有限公司 一种用于安全柜的危险气体净化装置
CN111701523B (zh) * 2020-06-28 2022-06-14 中国兵器装备集团自动化研究所 一种捏合安全传动装置
CN114440376A (zh) * 2022-01-06 2022-05-06 湖北华强科技股份有限公司 一种广谱空气净化***及使用方法

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