Convenient field gas detection device for sewage treatment plant

Abstract

The utility model relates to the technical field of environmental safety monitoring, in particular to a sewage treatment plant field gas detection convenient device which comprises a mounting flange cover, a connecting hose movably connected with the mounting flange cover and a portable gas detector, the connecting hose is connected with the mounting flange cover and the portable gas detector, and the portable gas detector is connected with the mounting flange cover. A first connecting device is arranged at the end, close to the mounting flange cover, of the connecting hose, a vent hole is formed in the center of the mounting flange cover, a second connecting device is arranged at the hole edge of the vent hole, and the first connecting device and the second connecting device are movably connected; the technical problems that in the using process of an existing gas detection device, safety and efficiency cannot be considered at the same time, structural adaptability is poor, and reliability is insufficient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental safety monitoring technical field especially sewage treatment plant field gas detection convenient device. BACKGROUND

[0002] In the sewage treatment plant, the leakage of toxic and harmful gases such as hydrogen sulfide, methane and ammonia is one of the main risks threatening the safety of operation. The prior art mainly relies on the following detection methods, but all have significant defects:

[0003] 1. Fixed gas sensor system; fixed gas sensor (such as electrochemical or infrared sensor) is pre-installed in sewage treatment tank, pipeline or closed space, and data is transmitted to central control system through cable, but there are technical problems of coverage blind area, high maintenance cost and poor flexibility.

[0004] 2. Portable handheld detector manual inspection; the operator carries a handheld detector (such as electrochemical or photoionization detector), and samples and analyzes the suspected leakage area through the probe, but there are technical problems of safety hazard, low efficiency and data dispersion.

[0005] 3. Traditional flange hole sampling structure; drill holes on the surface of pipeline flange cover and weld rigid air guide pipe to guide the gas to external detection equipment, but there are technical problems of complex structure, poor sealing, poor adaptability and detection error.

[0006] The above-mentioned problems of the prior art mainly include the contradiction between safety and efficiency, poor structure adaptability and insufficient detection reliability.

[0007] Chinese patent application No. 202121965289.2 utility model patent discloses a sewage plant abnormal gas collection and detection device, which comprises a mobile box body, a fixed partition plate, an air pump and a gas collecting bottle. The fixed partition plate is installed inside the mobile box body, the air pump is installed on the fixed partition plate, the gas collecting bottle is arranged in the mobile box body, the air inlet end of the air pump is provided with an air inlet pipe, the air outlet end of the air pump is provided with a gas collecting pipe, and the gas collecting pipe penetrates through the fixed partition plate and is connected with the gas collecting bottle. The utility model has the beneficial effects that it is convenient to move, collect and filter abnormal gas. The harmful substances in the gas are filtered through the fixed filter screen and the activated carbon adsorption plate, the treatment efficiency and effect are improved, the harm to the operator's body is prevented, the multiple gas collecting bottles are fixed through the fixed clasp, and the gas collecting bottles are replaced conveniently. However, the technical solution of the above-mentioned utility model does not provide a solution to the safety hazard of manual inspection and the risk reliability improvement of climbing operation in gas detection. UTILITY MODEL CONTENT

[0008] Therefore, in order to solve the above technical problems, the utility model provides a sewage treatment plant field gas detection convenient device, solve the technical problem that the safety and efficiency of prior art gas detection device cannot be taken into account in the process of using, poor structure adaptability, insufficient reliability.

[0009] In order to achieve the above object, the utility model adopts the following technical scheme: sewage treatment plant field gas detection convenient device, including installation flange cover, with the installation flange cover swing joint's connecting flexible pipe, portable gas detection instrument, the connecting flexible pipe connects the installation flange cover with Portable gas detection instrument, the one end of the connecting flexible pipe close to the installation flange cover is provided with first connecting device, the central position of the installation flange cover is provided with vent hole, the hole along the vent hole is provided with second connecting device, the first connecting device with Second connecting device swing joint.

[0010] Further, the portable gas detection instrument is integrally provided with a miniature vacuum pump and an electronic dehumidifier, the miniature vacuum pump is used for active suction of gas, and the electronic dehumidifier is used for reducing humidity interference.

[0011] Further, the first connecting device is a magnetic sub buckle, the second connecting device is a magnetic female buckle, and the first connecting device and the second connecting device are magnetically attracted to each other.

[0012] Further, a first sealing rubber ring is arranged on one side of the magnetic sub buckle close to the magnetic female buckle, a connecting protrusion is arranged on one side of the magnetic sub buckle close to the magnetic female buckle, the connecting protrusion penetrates the first sealing rubber ring, and a connecting groove is arranged on one side of the magnetic female buckle close to the magnetic sub buckle, when the first connecting device and the second connecting device are matched, the connecting protrusion and the connecting groove are nested with each other.

[0013] Further, the first connecting device is a movable buckle, and the second connecting device is a clamping groove, and the movable buckle and the clamping groove are movably connected.

[0014] By adopting the foregoing technical scheme, the utility model has the beneficial effects that:

[0015] The utility model discloses through structure improvement, carries out quick deployment design, and the installation flange cover trepanning adopts standardization interface, does not need to weld or customizes the gas guide pipe, and through being provided with the first connecting device and the second connecting device of mutual cooperation, realizes quick dismounting and good sealing performance, and the utility model discloses through structure innovation, realizes the unification of quick deployment, accurate monitoring and efficient operation under the premise of guaranteeing personnel safety. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof, when read in conjunction with the accompanying drawings:

[0017] Figure 1 It is the whole structure schematic diagram of the present application;

[0018] Figure 2 It is the flange structure schematic diagram of the present application;

[0019] Figure 3 It is the connecting hose structure schematic diagram of the present application;

[0020] Figure 4 It is the connecting hose side view of the present application. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described in conjunction with the specific embodiments.

[0022] Please refer to Figures 1-4 The present application provides a sewage treatment plant on-site gas detection convenient device, including installation flange cover 1, with The installation flange cover 1 is movably connected with the connecting hose 2, portable gas detector 5, the connecting hose 2 is connected with the installation flange cover 1 and the portable gas detector 5, the connecting hose 2 is close to the installation flange cover 1 One end is provided with a first connecting device, the center position of the installation flange cover is provided with a vent hole 11, the hole along the vent hole 11 is provided with a second connecting device, the first connecting device and the second connecting device are movably connected.

[0023] The portable gas detector 5 is integrally provided with a miniature vacuum pump 3 and an electronic dehumidifier 4, the miniature vacuum pump 3 is used for active suction of gas, and the electronic dehumidifier 4 is used for reducing humidity interference, wherein the miniature vacuum pump 3 and the electronic dehumidifier 4 are well-known components, and their structure and working principle are well-known, which are integrally arranged in the portable gas detector 5, and will not be described here.

[0024] The first connecting device is a magnetic sub buckle 8, the second connecting device is a magnetic mother buckle 7, the first connecting device and the second connecting device are matched with each other, the magnetic sub buckle 8 is provided with a first sealing rubber ring 82 on the side surface close to the magnetic mother buckle 7, the magnetic sub buckle 8 is provided with a connecting protrusion 81 on the side surface close to the magnetic mother buckle 7, the connecting protrusion 81 penetrates the first sealing rubber ring 82, the magnetic mother buckle 7 is provided with a connecting groove 71 on the side surface close to the magnetic sub buckle 8, when the first connecting device and the second connecting device are matched, the connecting protrusion 81 and the connecting groove 71 are nested with each other.

[0025] In the second embodiment, the first connecting device is a movable buckle, the second connecting device is a clamping groove, and the movable buckle and the clamping groove are movably connected.

[0026] The working method of the utility model is: after the micro vacuum pump 3 starts, the gas leaked from the flange cover 1 is drawn into the portable gas detector 5 through the connecting hose 2, sequentially passes through the dehumidifier (removes moisture), and meanwhile, the PTFE filter can be integrally arranged to intercept particulate matter, so that the dry gas enters the sensor cavity in the portable gas detector 5, and the electrochemical sensor array detects the concentration of each gas.

[0027] The movable connection mode of the first connecting device and the second connecting device can also be screw connection.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A sewage treatment plant field gas detection convenient device, comprising a mounting flange cover, a connecting hose movably connected with the mounting flange cover, and a portable gas detector, characterized in that: The connecting hose is connected with the mounting flange cover and the portable gas detector, one end of the connecting hose close to the mounting flange cover is provided with a first connecting device, a vent hole is arranged at the center position of the mounting flange cover, and a second connecting device is arranged at the hole along of the vent hole, and the first connecting device and the second connecting device are movably connected.

2. The portable device for on-site gas detection in a sewage treatment plant according to claim 1, characterized in that: The portable gas detector is integrally provided with a micro vacuum pump and an electronic dehumidifier, the micro vacuum pump is used for actively pumping gas, and the electronic dehumidifier is used for reducing humidity interference.

3. The portable device for on-site gas detection in a sewage treatment plant according to claim 2, characterized in that: The first connecting device is a magnetic sub-buckle, the second connecting device is a magnetic female buckle, and the first connecting device and the second connecting device are magnetically matched with each other.

4. The portable device for on-site gas detection in a sewage treatment plant according to claim 3, characterized in that: A first sealing rubber ring is arranged on one side of the magnetic sub-buckle close to the magnetic female buckle, a connecting protrusion is arranged on one side of the magnetic sub-buckle close to the magnetic female buckle, the connecting protrusion penetrates the first sealing rubber ring, a connecting groove is arranged on one side of the magnetic female buckle close to the magnetic sub-buckle, and the connecting protrusion and the connecting groove are nested with each other when the first connecting device and the second connecting device are matched.

5. The portable device for on-site gas detection in a sewage treatment plant according to claim 2, characterized in that: The first connecting device is a movable buckle, the second connecting device is a clamping groove, and the movable buckle and the clamping groove are movably connected.

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