Malodorous gas sampling device
A sampling device and odorous gas technology, which are applied in the field of odorous gas sampling devices to achieve the effects of reducing frictional resistance, increasing applicability and increasing stability
Inactive Publication Date: 2021-08-24
湖北省生态环境监测中心站
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Problems solved by technology
[0002] For the collection of malodorous gas, the currently used equipment is to set up a tank body with a cover, a gas pipe joint is inserted on the cover, and a suction pipe is installed at the bottom of the tank body. The air is pumped out to form a negative pressure in the tank; in order to obtain the best gas accuracy, a sampling bag is used for sampling. The sampling bag is placed in the tank and connected to the trachea joint. Expand and inhale the gas sample through the trachea joint. The device can only operate when the vacuum suction equipment is normal. If the vacuum suction equipment fails or there is no power supply, sampling cannot be performed.
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[0028] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0029] Such as figure 1 , figure 2 As shown, a malodorous gas sampling device includes a base 1 and a tank body 2 arranged on the base 1, a cover 3 is arranged above the tank body 2, an exhaust pipe 4 is arranged on the base 1, and the exhaust pipe 4 is arranged on the base 1. One end of the trachea 4 penetrates into the tank body 2, and the other end is used to connect the air extraction equipment;
[0030] The cover body 3 is fixedly interspersed with an air inlet pipe 5, one end of the air inlet pipe 5 extends into the tank body 2 for connecting with the sampling bag, and the other end is used for connecting the sampling pipe, and the outside of the tank body 2 is also covered with Sleeve 6, the inner wall of ...
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The invention relates to a malodorous gas sampling device, which comprises a base and a tank body arranged on the base; a cover body is arranged above the tank body, and an exhaust pipe is arranged on the base; one end of the exhaust pipe penetrates into the tank body, and the other end of the exhaust pipe is used for being connected with exhaust equipment; an air inlet pipe is fixedly inserted into the cover body; one end of the air inlet pipe extends into the tank body and is connected with a sampling bag, and the other end is connected with a sampling pipe; the tank body is further sleeved with a sleeve, and the inner wall of the sleeve is attached to the outer wall of the tank body in a sealed mode. The top of the sleeve is connected with the cover body; an internal thread is arranged on the inner wall of the bottom of the sleeve, and an external thread matched with the internal thread is arranged on the outer wall of the lower part of the tank body; the tank body is further sleeved with a supporting spring, and the upper end and the lower end of the supporting spring abut against the bottom of the sleeve and the top of the base respectively. According to the technical scheme, the device can be independently used without air extraction equipment, and the applicability is improved.
Description
technical field [0001] The invention relates to the field of gas sampling equipment, in particular to a malodorous gas sampling device. Background technique [0002] For the collection of malodorous gas, the equipment currently used is to set up a tank body with a cover, a gas pipe joint is inserted on the cover, and a suction pipe is installed at the bottom of the tank body, which is connected to the suction pipe through the suction device, and the inside of the tank The air is pumped out to form a negative pressure in the tank; in order to obtain the best gas accuracy, a sampling bag is used for sampling. The sampling bag is placed in the tank and connected to the trachea joint. Expand and inhale the gas sample through the trachea joint. The device can only operate when the vacuum suction equipment is normal. If the vacuum suction equipment fails or there is no power supply, sampling cannot be performed. Contents of the invention [0003] The invention aims at the t...
Claims
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IPC IPC(8): G01N1/24
CPCG01N1/24
Inventor 柯鹏振康得军马先锋刘雄余开升杨安平罗威宋洪冰袁林夕
Owner 湖北省生态环境监测中心站