Chemical plant environmental protection detection alarm device

Abstract

The utility model belongs to the technical field of environmental protection detection, and particularly relates to a chemical plant environmental protection detection alarm device which comprises a loading assembly enabling the device to be easy to move, and an air inlet assembly capable of increasing the exchange speed and the exchange range between external air and air in the device is arranged on the loading assembly. The air inlet assembly is provided with a detection assembly capable of measuring the harm degree of external air entering the device. According to the environment-friendly detection alarm device, the air inlet piece of which the height is adjusted by the lifting piece can continuously guide air in a large area range at a certain height in a chemical workshop into an air chamber provided with part of parts of a detection assembly through the work of the induced draft fan, so that the detection range of the environment-friendly detection alarm device is expanded, and the safety of chemical production is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the environmental protection detection technical field, specifically relates to a chemical plant environmental protection detection alarm device. BACKGROUND

[0002] Chemical gas includes all kinds of gas of chemical production and waste gas produced by chemical production, in the chemical plant with limited ventilation capacity, to avoid the harm caused by chemical gas leakage, therefore need to set up relevant device, the concentration of chemical gas in air is detected, and timely warning when concentration exceeds the standard.

[0003] The Chinese patent document with the authorization announcement number CN213040239U discloses a chemical plant environmental protection detection alarm device, which can effectively detect a larger range of gas by installing a gas detector at the top of the vertical rod that can be lifted with the fixed box, improving the overall detection effect.

[0004] However, in the prior art, the environmental protection detection alarm device can only detect the chemical gas that naturally drifts to the vicinity of the device, therefore, a chemical plant environmental protection detection alarm device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a chemical plant environmental protection detection alarm device.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A chemical plant environmental protection detection alarm device includes a loading assembly that can easily move the device, an air inlet assembly is arranged on the loading assembly to increase the exchange speed and range between external air and air in the device, a detection assembly is arranged on the air inlet assembly to determine the harmful degree of external air entering the device.

[0008] The loading assembly includes a vehicle frame.

[0009] The air inlet assembly includes an air inlet fan that can introduce external air into the device along a fixed path, an air chamber that can install part of the components of the detection assembly, an air inlet piece that can introduce air in multiple directions at the same height into the air chamber, and a lifting piece that can adjust the height of the air inlet piece.

[0010] Preferably, the vehicle frame is fixedly installed with the air inlet fan.

[0011] Preferably, the air chamber includes an air inlet box fixedly connected between the vehicle frame and the air inlet fan, and a buckle plate fixedly connected in front of the air inlet box.

[0012] Preferably, the air inlet piece includes a telescopic bellows fixedly connected above the air inlet box, an air inlet cover fixedly connected above the telescopic bellows, and a filter screen fixedly installed on the outer side of the air inlet cover.

[0013] Preferably, the lifting member comprises an electric push rod fixedly installed in the frame, a telescopic rod is arranged between the frame and the air inlet cover, and a transmission frame is arranged between the telescopic end of the electric push rod and the telescopic end of the telescopic rod.

[0014] Preferably, the air inlet cover and the telescopic rod are connected through threads.

[0015] Preferably, the air inlet cover and the telescopic rod are connected through threads.

[0016] The beneficial effects of the utility model are as follows: the air inlet member with the height adjusted by the lifting member can continuously guide the air in a large area range in the air chamber of the part components provided with the detection assembly at a certain height of the chemical plant through the work of the air guide fan, so that the detection range of the environmental protection detection alarm device is expanded, and the safety of chemical production is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification, and are used together with the following specific embodiments to explain the utility model, but do not constitute a limitation on the utility model. In the drawings:

[0018] Figure 1 is an isometric structure schematic view of the environmental protection detection alarm device of the chemical plant according to the utility model;

[0019] Figure 2 is a front view structure schematic view of the environmental protection detection alarm device of the chemical plant according to the utility model;

[0020] Figure 3 is another view structure schematic view of Figure 1 ;

[0021] Figure 4 is a part component structure schematic view of the environmental protection detection alarm device of the chemical plant according to the utility model.

[0022] The drawing reference signs are explained as follows:

[0023] 1, loading assembly; 101, frame; 102, universal wheel; 2, air inlet assembly; 201, air guide fan; 202, air inlet tank; 203, buckle plate; 204, telescopic corrugated pipe; 205, air inlet cover; 206, filter screen; 207, electric push rod; 208, telescopic rod; 209, transmission frame; 3, detection assembly; 301, support; 302, control panel; 303, carrier frame; 304, infrared gas sensor; 305, audible and visual alarm. DETAILED DESCRIPTION

[0024] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0025] In the description of the utility model, it needs to be understood that, the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0026] The utility model will be further described below by combining with the drawings.

[0027] As Figures 1-4 shown, an environmental protection detection alarm device for chemical plant, including the loading assembly 1 that can make the device easy to move, the loading assembly 1 is provided with the air inlet assembly 2 that can increase the exchange speed and range between the air of outside and the air in the device, the air inlet assembly 2 is provided with the detection assembly 3 that can determine the harmful degree of the air of outside entering the device.

[0028] In this embodiment: the loading assembly 1 includes the frame 101, the universal wheel 102 is fixedly installed below the frame 101, the partial components of the air inlet assembly 2 are installed through the frame 101, and the frame 101 can be conveniently moved through the universal wheel 102 that is not stopped by braking.

[0029] In the embodiment, the air inlet assembly 2 comprises an air inlet fan 201 for guiding external air along a fixed path into the device, an air chamber for mounting part components of the detection assembly 3, an air inlet piece for guiding air from multiple directions at the height into the air chamber, and a lifting piece for adjusting the height of the air inlet piece. The air inlet fan 201 is fixedly installed in the frame 101. The air chamber comprises an air inlet box 202 fixedly connected between the frame 101 and the air inlet fan 201. A buckle plate 203 is fixedly connected to the front of the air inlet box 202. The air inlet piece comprises a telescopic bellows 204 fixedly connected above the air inlet box 202. An air inlet cover 205 is fixedly connected above the telescopic bellows 204. A filter screen 206 is fixedly installed on the outer side of the air inlet cover 205. The lifting piece comprises an electric push rod 207 fixedly installed in the frame 101. A telescopic rod 208 is arranged between the frame 101 and the air inlet cover 205. A transmission frame 209 is arranged between the telescopic end of the electric push rod 207 and the telescopic end of the telescopic rod 208.

[0030] The air inlet fan 201 and the telescopic bellows 204 are connected to the air inlet box 202 through flanges. The telescopic bellows 204 is connected to the air inlet cover 205 through flanges. The air inlet cover 205 and the transmission frame 209 are connected to the telescopic rod 208 through threads.

[0031] The air inlet fan 201 sucks air in the air chamber formed by the air inlet box 202 and the buckle plate 203 to form negative pressure, so that the air chamber can suck external air along the telescopic bellows 204 and the air inlet cover 205. Part components of the detection assembly 3 are mounted in the air inlet box 202. The buckle plate 203 prevents external air from entering the air inlet box 202 from the front opening of the air inlet box 202. The filter screen 206 filters the air entering the air inlet cover 205 to prevent large impurities from entering the device. The telescopic rod 208 limits the swing of the air inlet cover 205. The transmission frame 209 transmits the length change of the telescopic end of the electric push rod 207 to the telescopic rod 208, so that the telescopic rod 208 can drive the air inlet cover 205 to rise and fall in the device.

[0032] In the embodiment, the detection assembly 3 comprises a support 301 fixedly connected to the rear of the air inlet box 202. A control panel 302 is movably installed between the supports 301. A carrier 303 is fixedly connected in the air inlet box 202. An infrared gas sensor 304 is fixedly installed above the carrier 303. An audible and visual alarm 305 is fixedly installed above the air inlet cover 205.

[0033] The support 301 is rotationally connected with the control panel 302; the control panel 302 is installed at the rear of the air inlet box 202 through the support 301, the operation of each component in the device is controlled through the control panel 302, and the signal transmitted by the infrared gas sensor 304 is received; the infrared gas sensor 304 is installed in the air inlet box 202 through the carrier 303; the concentration of harmful components contained in the gas entering the air inlet box 202 is detected through the infrared gas sensor 304; and the warning sound and light are emitted through the work of the sound-light alarm 305 controlled by the control panel 302.

[0034] Working principle: when the device is installed for environmental protection detection and alarm work in a chemical plant, the universal wheel 102 is stopped after the device is moved to a suitable position in the chemical workshop, then the working conditions of the sound-light alarm 305 are set through the control panel 302, the electric push rod 207 is controlled to work to adjust the height of the air inlet cover 205, the induced draft fan 201 is continuously operated, so that the air inlet cover 205 can continuously guide the air at each direction at the height into the air inlet box 202 through the telescopic corrugated pipe 204, in the process, the infrared gas sensor 304 can continuously detect the concentration of harmful components in the gas entering the air inlet box 202, when the concentration of harmful gas exceeds the set value, the control panel 302 receiving the signal of the infrared gas sensor 304 will automatically control the sound-light alarm 305 to work to warn the outside world.

[0035] The preferred embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. An environmental protection monitoring and alarm device for chemical plants, characterized in that: The device comprises a loading assembly (1) which can make the device easy to move, an air inlet assembly (2) is arranged on the loading assembly (1), which can increase the exchange speed and range between the outside air and the air in the device, a detection assembly (3) is arranged on the air inlet assembly (2), which can determine the harmful degree of the outside air entering the device. The loading assembly (1) comprises a frame (101). The air inlet assembly (2) comprises an air blower (201) which can introduce the outside air into the device along a fixed path, an air chamber which can install part components of the detection assembly (3), an air inlet piece which can introduce the air in multiple directions at the same height into the air chamber, and a lifting piece which can adjust the height of the air inlet piece.

2. The environment-friendly detection and alarm device for chemical plant according to claim 1, characterized in that: The air blower (201) is fixedly installed in the frame (101).

3. The environment-friendly detection and alarm device for chemical plant according to claim 2, characterized in that: The air chamber comprises an air inlet box (202) which is fixedly connected between the frame (101) and the air blower (201), and a buckle plate (203) which is fixedly connected in front of the air inlet box (202).

4. The environment-friendly detection and alarm device for chemical plant according to claim 3, characterized in that: The air inlet piece comprises a telescopic bellows (204) which is fixedly connected above the air inlet box (202), an air inlet cover (205) which is fixedly connected above the telescopic bellows (204), and a filter screen (206) which is fixedly installed on the outer side of the air inlet cover (205).

5. The environment-friendly detection and alarm device for chemical plant according to claim 4, characterized in that: The lifting piece comprises an electric push rod (207) which is fixedly installed in the frame (101), a telescopic rod (208) which is arranged between the frame (101) and the air inlet cover (205), and a transmission frame (209) which is arranged between the telescopic end of the electric push rod (207) and the telescopic end of the telescopic rod (208).

6. The environment-friendly detection and alarm device for chemical plant according to claim 4, characterized in that: The air blower (201) and the telescopic bellows (204) are connected with the air inlet box (202) through flanges, and the telescopic bellows (204) is connected with the air inlet cover (205) through flanges.

7. The environment-friendly detection and alarm device for chemical plant according to claim 5, characterized in that: The air inlet cover (205) and the transmission frame (209) are connected with the telescopic rod (208) through threads.

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