Device for detecting hydrogen bromide in stationary pollution source waste gas

Abstract

The utility model relates to a device for detecting hydrogen bromide in waste gas of a stationary pollution source, which relates to the technical field of waste gas detection equipment and comprises a detection table, a sliding chute is arranged on the detection table, a protective cover is connected onto the sliding chute in a sliding manner, a gas detector is arranged on the detection table, and a communicating pipe is arranged at the front end of the gas detector. An exhaust fan is installed at the upper end of the communicating pipe, an inserting groove is formed in the inner bottom wall of the protective cover, a limiting assembly is arranged on the inner top wall of the inserting groove, and a filter screen is arranged at the end, close to the limiting assembly, of the inserting groove. The communicating pipe is arranged at the front end of the gas detector on the detection table, and the exhaust fan is fixedly mounted at the upper end of the communicating pipe, so that waste gas discharged by a stationary pollution source can be efficiently introduced into the gas detector for accurate detection, stable transmission of a waste gas sample can be ensured through the negative pressure effect of the exhaust fan, and the detection efficiency is improved. In order to protect the device and ensure the safety of the sampling process, a protective cover is arranged on the detection table.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste gas detection equipment, especially a device for detecting hydrogen bromide in fixed pollution source waste gas. BACKGROUND

[0002] Fixed pollution source, usually refers to the place, equipment and device that discharge or release harmful substances to the environment or have harmful effects on the environment, wherein hydrogen bromide is a kind of toxic gas, corrosive product, mainly used for manufacturing various inorganic bromide and certain alkyl bromide;Hydrobromic acid is the basic raw material for manufacturing various inorganic bromide and certain alkyl bromide.

[0003] The Chinese patent document with the authorized publication number CN218381919U discloses a kind of fixed pollution source waste gas bromide hydrogen determination device, including horizontal plate and the cylinder placed on horizontal plate, the outer edge of the cylinder is provided with scale, and the top of the cylinder is structured with U-shaped plate, the bottom of the U-shaped plate is installed with telescopic rod, the bottom of the telescopic rod is installed with the piston slidingly connected with cylinder, and the outer edge of the cylinder is structured with circular tube on one side bottom end, the outer edge of the cylinder is structured with Z-shaped pipe on the side bottom end opposite circular tube, one end of the Z-shaped pipe is communicated with the inside of cylinder, the other end of the Z-shaped pipe is clamped and connected with L-shaped pipe, the connecting position of the Z-shaped pipe and L-shaped pipe is structured with round block, the L-shaped pipe is structured with circular plate extending into round block, the fixed pollution source waste gas bromide hydrogen determination device can control the amount of absorbed waste gas;And pipe mouth is convenient to install and disassemble.

[0004] But when fixed pollution source waste gas bromide hydrogen determination device detects, impurities and particulate matters in waste gas need to be blocked, avoid plugging, affect the efficiency of gas detection, also need to ensure that the equipment has protective performance, can adapt to detection environment. UTILITY MODEL CONTENTS

[0005] The utility model aims at at least one of the technical problems existing in prior art, the purpose of the utility model is to provide a kind of device for detecting fixed pollution source waste gas bromide hydrogen, to solve the problems raised in the above background art.

[0006] To solve the above problems, the utility model provides a kind of device for detecting fixed pollution source waste gas bromide hydrogen, including detection table, the detection table is opened with sliding slot, the sliding slot is slidably connected with protective cover, the detection table is provided with gas detector, the front end of the gas detector is provided with communication pipe, the upper end of the communication pipe is installed with suction fan, the inner bottom wall of the protective cover is provided with slot, the inner top wall of the slot is provided with limit component, the end of the slot close to limit component is provided with filter screen.

[0007] The device for detecting hydrogen bromide in waste gas of fixed pollution source has the following technical features.

[0008] Further, the limiting assembly comprises an outer shell, a limiting spring and a plug, one end of the outer shell is provided with a positioning hole, the other end of the outer shell is provided with a pipe opening, the front end of the protective cover penetrates a positioning pin, the positioning pin penetrates the slot and extends into the positioning hole of the outer shell.

[0009] Further, one end of the limiting spring is fixedly connected to the inner wall of the pipe opening, and the other end of the limiting spring is fixedly connected with the plug.

[0010] Further, the communication pipe is composed of a transition pipe and an air guide pipe, the air guide pipe at the front end of the communication pipe and the pipe opening are matched in shape and size, the air guide pipe of the communication pipe penetrates into the pipe opening and abuts against the plug.

[0011] Further, the air draught fan is installed on the transition pipe of the communication pipe, and the detection head of the gas detector extends into the transition pipe of the communication pipe.

[0012] Further, the protective cover is provided with sliding strips at both ends of the bottom, and the protective cover is slidably connected with the sliding groove on the detection table through the sliding strips.

[0013] Further, the detection table is provided with a mounting groove, and the bottom of the gas detector is fixedly installed in the mounting groove of the detection table.

[0014] Further, the sliding groove is provided with clamping plates at both ends in the groove.

[0015] The utility model has the following beneficial effects: 1, first, the front end of the gas detector on the detection table is provided with a communicating pipe, the upper end of the communicating pipe is fixedly installed with an exhaust fan, the exhaust fan can help to introduce the exhaust gas discharged by the fixed pollution source into the gas detector for accurate detection, and through the negative pressure effect of the exhaust fan, the stable transmission of the exhaust gas sample can be ensured, in order to protect the device and ensure the safety of the sampling process, a protective cover is arranged on the detection table, so that the whole sampling operation is carried out under the protection of the protective cover, thereby protecting the operating personnel and equipment from harmful gas, in addition, the protective cover bottom is provided with a filter screen, so that the inhaled air is fully filtered before entering the detection equipment, and the impurities and particulate matters affecting the accuracy of the detection data are effectively intercepted; 2, in order to ensure the sealing property and stability of the equipment in the non-detection state, the protective cover bottom is specially provided with a limiting component, the limiting component comprises a plug, which can accurately limit the front end of the communicating pipe when not detecting, so that the equipment is completely isolated from the external environment, not only preventing the invasion of external pollutants, but also avoiding the influence of environmental changes on the detection equipment, thereby ensuring the stability of the equipment in the non-working state and the reliability of the detection data, at the same time, the equipment can be quickly converted to the detection state when needed, and the sealing property is maintained when not needed, so that the use flexibility and environmental adaptability of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Figure 1 It is the structure schematic view of the detection table in the utility model;

[0018] Figure 2 It is the structure schematic view of the protective cover in the utility model;

[0019] Figure 3 It is the structure schematic view of the shell in the utility model;

[0020] Figure 4 It is the sectional structure schematic view of the limiting spring in the utility model;

[0021] Figure 5 It is the structure schematic view of the communicating pipe in the utility model.

[0022] Explanation of reference signs: 1-detection table, 101-mounting groove, 2-sliding groove, 201-retaining plate, 3-protection cover, 301-sliding bar, 4-gas detector, 5-communication pipe, 51-transition pipe, 52-gas guide pipe, 6-exhaust fan, 7-slot, 8-limiting assembly, 81-housing, 801-positioning hole, 802-pipe opening, 82-limiting spring, 83-plug, 9-filter screen, 10-positioning pin. DETAILED DESCRIPTION

[0023] Hereinafter, the utility model will be described in detail with reference to the drawings and in combination with embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] As Figures 1 to 5 shown in one embodiment of the device for detecting hydrogen bromide in waste gas of fixed pollution source of the utility model, the device for detecting hydrogen bromide in waste gas of fixed pollution source of the embodiment comprises a detection table 1, the detection table 1 is provided with a sliding groove 2, the sliding groove 2 is slidably connected with a protection cover 3, the detection table 1 is provided with a gas detector 4, the front end of the gas detector 4 is provided with a communication pipe 5, the upper end of the communication pipe 5 is installed with an exhaust fan 6, the inner bottom wall of the protection cover 3 is provided with a slot 7, the inner top wall of the slot 7 is provided with a limiting assembly 8, one end of the slot 7 close to the limiting assembly 8 is provided with a filter screen 9, in the utility model, the detection table 1 is the base of the whole device, provides support and installation platform, the sliding groove 2 on the detection table 1 is used to guide the sliding of the protection cover 3, the protection cover 3 is used to protect the gas detector 4 and the communication pipe 5 from the influence of external environment, the gas detector 4 is used to detect the hydrogen bromide concentration in waste gas of fixed pollution source, the communication pipe 5 connects the gas detector 4 and the exhaust fan 6, and is used to transmit waste gas samples from the pollution source to the detector, the exhaust fan 6 is used to generate negative pressure, and the waste gas samples are sucked from the pollution source into the communication pipe and transmitted to the gas detector, the slot 7 is an opening on the inner bottom wall of the protection cover, and is used to install the limiting assembly 8 and the filter screen 9, the limiting assembly 8 is used to keep the communication pipe sealed in the non-detection state, and in sampling, the protection cover 3 is slid from the detection table 1, so that the port of the gas guide pipe 52 on the communication pipe 3 is above the filter screen 9, the inhaled waste gas samples are filtered through the filter screen 9, and impurities and particulate matters affecting the detection result are removed.

[0025] In an embodiment of the present application, preferably, the limiting assembly 8 comprises a shell 81, a limiting spring 82 and a plug 83, one end of the shell 81 is provided with a positioning hole 801, the other end of the shell 81 is provided with a pipe opening 802, the front end of the protective cover 3 is penetrated by a positioning pin 10, the positioning pin 10 penetrates the slot 7 and extends into the positioning hole 801 of the shell 81, one end of the limiting spring 82 is fixedly connected to the inner wall of the pipe opening 802, the other end of the limiting spring 82 is fixedly connected with the plug 83, the communication pipe 5 is composed of a transition pipe 51 and a gas guide pipe 52, the gas guide pipe 52 at the front end of the communication pipe 5 and the pipe opening 802 are matched in shape and size, the gas guide pipe 52 of the communication pipe 5 penetrates into the pipe opening 802 and abuts against the plug 83, the exhaust fan 6 is installed on the transition pipe 51 of the communication pipe 5, and the detection head of the gas detector 4 extends into the transition pipe 51 of the communication pipe 5, in the present application, the limiting assembly 8 is a connecting component between the protective cover 3 and the communication pipe 5, which ensures that the front end of the communication pipe 5 remains in a sealed state when the protective cover 3 is closed, preventing gas leakage and the invasion of external pollutants, one end of the shell 81 is provided with the positioning hole 801 for receiving the positioning pin 10 on the protective cover 3, ensuring the correct position of the limiting assembly 8 in the protective cover 3. The other end is provided with the pipe opening 802, which is matched with the pipe opening 802 of the communication pipe 5 to form a sealed connection, the limiting spring 82 provides elastic force for the plug 83 when the protective cover 3 is opened and closed, ensuring that the plug 83 can tightly contact the front end of the communication pipe 5, the plug 83 directly contacts the front end of the communication pipe 5, and the plug 83 tightly contacts the front end of the communication pipe 5 under the action of the limiting spring 82 when the protective cover 3 is closed, forming a seal; the transition pipe 51 is part of the communication pipe 5, which connects the exhaust fan 6 and the detection head of the gas detector 4, the gas guide pipe 52 is the front end part of the communication pipe 5, which is matched with the shape and size of the pipe opening 802, ensuring the sealed cooperation with the limiting assembly 8. The gas guide pipe 52 penetrates into the pipe opening 802 and abuts against the plug 83 to form a seal, ensuring that the front end of the communication pipe 5 remains sealed when the protective cover 3 is closed, preventing gas leakage, the exhaust fan 6 is installed on the transition pipe 51 of the communication pipe 5, which functions to generate negative pressure, suck waste gas samples from the fixed pollution source into the communication pipe 5, and transmit them to the gas detector 4, the detection head of the gas detector 4 extends into the transition pipe 51 of the communication pipe 5, which is used for detecting the concentration of hydrogen bromide in the waste gas sample.

[0026] In an embodiment of the present application, preferably, the two ends of the bottom of the protective cover 3 are provided with sliding strips 301, and the protective cover 3 is slidably connected with the sliding groove 2 on the detection table 1 through the sliding strips 301, in the present application, the sliding strips 301 are two protruding parts of the bottom of the protective cover 3, and the sliding strips 301 are used for sliding the protective cover 3 along the sliding groove 2 on the detection table 1.

[0027] In an embodiment of the present application, preferably, the detection table 1 is provided with a mounting groove 101, and the bottom of the gas detector 4 is fixedly mounted in the mounting groove 101 of the detection table 1, and in the present application, the mounting groove 101 is used for stably mounting the gas detector 4 on the detection table 1.

[0028] In an embodiment of the present application, preferably, the chute 2 is provided with a clamping plate 201 at both ends of the groove, and in the present application, the clamping plate 201 is arranged at both ends of the chute 2, and is used for limiting the movement range of the protective cover 3, and preventing the protective cover 3 from being accidentally detached or displaced.

[0029] The utility model discloses a detection device for hydrogen bromide concentration in waste gas of fixed pollution source, which comprises a detection table, a sliding groove, a protection cover, a gas detector, a communicating pipe and an air extractor.

[0030] The electric components in the present application are connected with the main controller and 220V mains, and the main controller can be a computer or other known device.

[0031] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A device for detecting hydrogen bromide in stationary source exhaust gas, characterized by, Including detection platform (1), the detection platform (1) is opened with sliding slot (2), the sliding slot (2) is slidably connected with protective cover (3), the detection platform (1) is provided with gas detector (4), the front end of gas detector (4) is provided with communication pipe (5), the upper end of communication pipe (5) is installed with exhaust fan (6), the inner bottom wall of protective cover (3) is provided with slot (7), the inner top wall of slot (7) is provided with limiting assembly (8), one end of slot (7) near limiting assembly (8) is provided with filter screen (9).

2. The apparatus for detecting hydrogen bromide in exhaust gas from a stationary pollution source according to claim 1, characterized by, The limiting assembly (8) includes a housing (81), a limiting spring (82) and a plug (83), one end of the housing (81) is provided with a positioning hole (801), the other end of the housing (81) is provided with a pipe opening (802), the front end of the protective cover (3) penetrates a positioning pin (10), the positioning pin (10) penetrates the slot (7) and extends into the positioning hole (801) of the housing (81).

3. The apparatus for detecting hydrogen bromide in exhaust gas from a stationary pollution source according to claim 2, characterized by, One end of the limiting spring (82) is fixedly connected to the inner wall of the pipe opening (802), and the other end of the limiting spring (82) is fixedly connected with the plug (83).

4. The device for detecting hydrogen bromide in exhaust gas of a stationary pollution source according to claim 1 or 2, characterized by, The communication pipe (5) is composed of a transition pipe (51) and a gas guide pipe (52), the gas guide pipe (52) at the front end of the communication pipe (5) and the pipe opening (802) are matched in shape and size, the gas guide pipe (52) of the communication pipe (5) penetrates into the pipe opening (802) and abuts against the plug (83).

5. The apparatus for detecting hydrogen bromide in exhaust gas from a stationary pollution source according to claim 4, characterized by, The exhaust fan (6) is installed on the transition pipe (51) of the communication pipe (5), and the detection head of the gas detector (4) extends into the transition pipe (51) of the communication pipe (5).

6. The apparatus for detecting hydrogen bromide in exhaust gas from a stationary pollution source according to claim 1, characterized by, The protective cover (3) is provided with slide strips (301) at both ends of the bottom, and the protective cover (3) is slidably connected with the sliding slot (2) on the detection platform (1) through the slide strips (301).

7. The apparatus for detecting hydrogen bromide in exhaust gas from a stationary pollution source according to claim 1, characterized by, The detection platform (1) is provided with a mounting groove (101), and the bottom of the gas detector (4) is fixedly installed in the mounting groove (101) of the detection platform (1).

8. The device for detecting hydrogen bromide in exhaust gas from a stationary pollution source according to claim 1, characterized by, The slot of the sliding slot (2) is provided with clamping plates (201) at both ends.

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