Device for measuring hydrogen bromide in waste gas

Abstract

The utility model provides a device for measuring hydrogen bromide in waste gas, which relates to the field of measuring equipment and comprises an air suction port arranged on a waste gas measuring machine body, a movable impurity passing inner cylinder is arranged inside the air suction port, and a filter layer covers the inner surface of the impurity passing inner cylinder. The impurity passing inner cylinder is arranged in the opening of the air suction port and can intercept entering large impurities, the filtering layer covers the interior of the impurity passing inner cylinder, particulate matter and dust in air can be effectively captured and blocked, and when the air suction port is used every time, only the interior of the impurity passing inner cylinder and the intercepting condition of the filtering layer need to be checked, and therefore the air suction port can be used conveniently. By means of the design, outside impurities are prevented from being sucked into the air suction port along with flowing of airflow, the problem that impurities are deposited on the air suction port due to the fact that the impurities are accumulated for a long time and are not cleaned in time is solved, and therefore the sampling effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of determination equipment, especially, relate to a waste gas hydrogen bromide determination device. BACKGROUND

[0002] The determination equipment of hydrogen bromide in waste gas can be suitable for real-time accurate detection of hydrogen bromide concentration and leakage in various environments, generally adopts imported electrochemical sensor and microcontroller technology, has fast response speed, high measurement accuracy, good stability and repeatability.

[0003] Among them, the determination equipment of pump suction type is through the built-in pump body to produce suction, so that the equipment can actively extract the gas sample in the environment to be measured, the equipment body is usually provided with a suction port, the staff only needs to hold the equipment, the suction port is accurately aimed at the position to be measured, and the sampling process can be started.

[0004] However, the environment of waste gas determination is often complex and changeable, various particulate matters, dust or other impurities may be suspended in the air, in the process of equipment work, these external impurities may be sucked into the suction port along with the flow of air flow, if accumulated for a long time and not cleaned in time, the impurities may gradually deposit inside or near the suction port, finally affect sampling, and therefore a waste gas hydrogen bromide determination device is proposed. UTILITY MODEL CONTENTS

[0005] The utility model provides waste gas hydrogen bromide determination device in the prior art, through setting up in the inside of suction port opening, can intercept the big impurity that enters, the filter layer is covered in the inside of the impurity removal inner tube, can effectively capture and block the particulate matter and dust in the air, only needs to check the inside of the impurity removal inner tube and the interception condition of filter layer each time, according to the use demand, can be taken out and cleaned, this design, avoid the external impurity along with the flow of air flow to be sucked into the inside of suction port, also prevent long time accumulation from not being cleaned in time, cause the problem of impurity deposition in suction port, to improve the sampling effect.

[0006] In order to solve the above technical problems, the utility model solves the problem that accumulated impurities may affect subsequent sampling during the working process of the waste gas hydrogen bromide determination device by the following technical scheme.

[0007] In order to achieve the above object, the utility model adopts the following technical scheme:

[0008] A waste gas hydrogen bromide determination device, comprising a suction port provided on a waste gas determination body, an impurity removal inner tube movably arranged in the inside of the suction port, and a filter layer covered on the inner surface of the impurity removal inner tube.

[0009] Preferably, the over-impurity inner cylinder opening is connected with a positioning cylinder opening, and the air inlet opening is provided with a positioning recess so that the positioning cylinder opening is located in the positioning recess.

[0010] Preferably, the inside of the positioning recess is connected with a connecting structure through screw threads, and one end of the connecting structure is tightly pressed against the positioning cylinder opening.

[0011] Preferably, one end of the connecting structure, which faces the positioning cylinder opening, is connected with a positioning clamping ring, and the positioning cylinder opening is provided with a positioning recess ring so that the positioning clamping ring is inserted into the positioning recess ring.

[0012] Preferably, the air inlet opening is provided with an extension connecting pipe for extension, and one end of the connecting structure, which is away from the positioning cylinder opening, can be extended into the extension connecting pipe and is screw-connected with the extension connecting pipe.

[0013] Preferably, a sealing ring is arranged between the extension connecting pipe and the extension connecting pipe to seal.

[0014] Preferably, one end of the sealing ring is clamped in a groove of the air inlet opening, and the other end of the sealing ring is clamped in a groove of the air inlet opening.

[0015] Preferably, the sealing ring is provided with a positioning clamping piece which is inserted into the inside of the air inlet opening.

[0016] Preferably, a groove is arranged on the back of the exhaust gas measuring machine, the inner wall of the groove is provided with a plurality of protective layers, an elastic band with an inner convex pad is arranged on the exhaust gas measuring machine, the upper and lower ends of the groove opening are connected with fixing sleeves so that the elastic band moves in the fixing sleeves, and positioning end plates are arranged at the two ends of the elastic band to limit the movement of the elastic band.

[0017] Preferably, connecting screws are arranged at the two ends of the elastic band, the connecting screws are penetrated through the positioning end plates, and the connecting screws are screw-connected with positioning sleeve covers.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The exhaust gas hydrogen bromide measuring device provided by the application is provided with an over-impurity inner cylinder in the inside of the air inlet opening, can intercept large impurities, is covered with a filter layer in the over-impurity inner cylinder, can effectively capture and block particulate matters and dust in the air, and only needs to check the inside of the over-impurity inner cylinder and the interception of the filter layer each time when used, can be taken out and cleaned according to the use requirement, avoids that impurities in the outside are sucked into the inside of the air inlet opening along with the flow of air flow, prevents the problem that impurities are deposited in the air inlet opening due to long-time accumulation and untimely cleaning, and improves the sampling effect.

[0020] The positioning cylinder opening and the positioning recess are arranged, the end of the inner cylinder with holes faces the inside of the exhaust gas measuring machine body, and the end with the positioning cylinder opening can be positioned in the positioning recess.

[0021] The connecting structure is arranged, and the connecting structure can be rotated from the opening of the positioning recess, and the positioning cylinder opening is pressed, so that the positioning operation of the positioning cylinder opening is further ensured, and the stability of the connection is ensured.

[0022] The sealing ring is arranged between the air inlet and the extension pipe, and surrounds the outside of the connecting structure, so that the sealing effect of the connection between the air inlet and the extension pipe is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 It is a schematic diagram of the overall structure of the present application;

[0026] Figure 3 It is a schematic diagram of the overall structure of the present application;

[0027] Figure 4 It is a schematic diagram of the overall structure of the present application;

[0028] Figure 5 It is a schematic diagram of the overall structure of the present application;

[0029] Figure 6 It is a schematic diagram of the overall structure of the present application;

[0030] Figure 7 It is a schematic diagram of the overall structure of the present application;

[0031] Figure 8 It is a schematic diagram of the overall structure of the present application; Figure 6 It is a schematic diagram of the overall structure of the present application;

[0032] Figure number explanation: 1, exhaust gas measuring machine body; 101, air inlet; 102, extension connector; 2, impurity passing inner cylinder; 201, positioning cylinder opening; 202, positioning concave ring; 3, filter layer; 4, connecting structure; 401, positioning clasp; 5, sealing ring; 501, positioning clasp; 502, positioning notch; 6, elastic band; 601, inner convex pad; 7, slotted; 701, protective layer; 8, fixing sleeve; 9, positioning end plate; 901, connecting screw; 902, positioning sleeve cover. DETAILED DESCRIPTION

[0033] The utility model will be described in further detail below in combination with the drawings.

[0034] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art. The basic principles of the utility model defined in the following description can be used in other implementation schemes, modification schemes, improvement schemes, equivalent schemes and other technical schemes without departing from the spirit and scope of the utility model.

[0035] Those skilled in the art should understand that in the disclosure of the utility model, the orientation or position indicated by the terms "longitudinal", "transverse", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of the simplified description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the above-mentioned terms cannot be understood as a limitation of the utility model.

[0036] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number. EMBODIMENT

[0037] Please refer to Figures 1-8 A device for measuring hydrogen bromide in exhaust gas, comprising an air inlet 101 arranged on an exhaust gas measuring machine body 1, an inner cylinder 2 capable of moving is arranged inside the air inlet 101, and a filter layer 3 is covered on the inner surface of the inner cylinder 2.

[0038] Please refer to Figure 1 、 Figure 2 、 Figure 4 、 Figure 6 and Figure 8The waste gas hydrogen bromide determination device of the application is mainly determined by the combination of the waste gas determination machine body 1 and the air inlet 101 and the like structure, wherein the waste gas determination machine body 1 is internally provided with a pump body capable of generating suction, so that the air inlet 101 can be aligned with the area to be measured to perform sampling. When sampling, the movable impurity removal inner cylinder 2 is arranged inside the opening of the air inlet 101. If the gas enters with large impurities, it can be intercepted in time. The inside of the impurity removal inner cylinder 2 is covered with a filter layer 3, which is made of high-efficiency filter material, allowing the gas to pass smoothly, while effectively capturing and blocking particulate matter and dust in the air. When used each time, only the inside of the impurity removal inner cylinder 2 and the filter layer 3 are checked for interception, and according to the use requirement, it can be taken out for cleaning. This design avoids the problem that impurities in the outside are sucked into the inside of the air inlet 101 along with the airflow, and also prevents long-term accumulation from not being cleaned in time, resulting in the problem of impurity deposition in the air inlet 101, so as to improve the sampling effect.

[0039] It should be further pointed out that the diameter of the impurity removal inner cylinder 2 is matched with the inner diameter of the air inlet 101, so as to ensure the use effect. The filter layer 3 is covered on the inner surface of the impurity removal inner cylinder 2, which can be extracted and replaced during long-term use.

[0040] In the application, the positioning cylinder port 201 and the positioning notch 502 are also provided, wherein the positioning notch 502 is arranged in the inside of the opening of the air inlet 101, and the positioning cylinder port 201 is designed as an integral structure with the impurity removal inner cylinder 2, so that the one end of the impurity removal inner cylinder 2 with the hole faces the inside of the waste gas determination machine body 1, and the one end with the positioning cylinder port 201 can be located in the inside of the positioning notch 502, so as to position the overall structure of the impurity removal inner cylinder 2 during installation.

[0041] In the application, the connecting structure 4 is also provided, which is provided with two ends of different sizes and is provided with threads on the outer cylinder. One end is rotated in the opening of the positioning notch 502 to press the positioning cylinder port 201, so as to further position the positioning cylinder port 201 and ensure the stability of the connection.

[0042] In the application, the positioning ring 401 and the positioning groove 202 are also provided, wherein the positioning groove 202 is arranged on the positioning cylinder port 201, and the positioning ring 401 is designed as an integral structure with the connecting structure 4. When the one end of the connecting structure 4 is extruded to the outer wall of the positioning cylinder port 201, the corresponding positioning ring 401 can be inserted in the inside of the positioning groove 202, so as to improve the stability of the connection and prevent misalignment.

[0043] The application also provides an extension pipe 102, which can be used in different scenes and meet different needs. In use, the extension pipe 102 is provided with a threaded section matched with the connecting structure 4 at the interface, and the threaded section can be screwed on the end of the connecting structure 4 extending from the air inlet 101, so as to connect the air inlet 101 and the extension pipe 102, thereby improving the convenience of installation.

[0044] The application also provides a sealing ring 5, which is arranged between the air inlet 101 and the extension pipe 102 and surrounds the outside of the connecting structure 4. In this way, when the air inlet 101 and the extension pipe 102 are connected, the sealing effect of the connection can be ensured. One end of the sealing ring 5 can be clamped in the groove at the opening of the extension pipe 102, and the other end can be clamped in the groove at the opening of the air inlet 101, thereby improving the tightness of the connection of the sealing ring 5 and improving the use effect.

[0045] The application also provides a positioning clamp 501, which is glued to one end of the sealing ring 5 facing the air inlet 101 and is made of hard material. In this way, when the sealing ring 5 is installed in the opening groove of the air inlet 101, the positioning clamp 501 can be inserted at the same time, thereby supporting the sealing ring 5 during installation and facilitating subsequent use.

[0046] Please refer to Figure 2 , Figure 3 , Figure 5 and Figure 7 The application also provides an elastic band 6, an inner convex pad 601, a slot 7, a protective layer 701 and a fixing sleeve 8. The slot 7 is provided on the back of the exhaust gas measuring machine body 1 to limit the movement range of the elastic band 6. The fixing sleeve 8 is fixedly installed on the upper and lower ends of the opening of the slot 7, so that the elastic band 6 moves therein. In this way, the elastic band 6 is further limited, and the stability during movement is improved. The elastic band 6 is elastic to facilitate the operator to stretch and carry according to the use demand. The positioning end plate 9 is provided at both ends of the elastic band 6. When the elastic band 6 is stretched, it can be limited in the fixing sleeve 8 to prevent it from running out.

[0047] It should be noted that the protective layer 701 and the inner convex pad 601 are made of rubber material. The protective layer 701 is arranged on the inner wall of the slot 7, and the elastic band 6 is glued to the inner surface of the elastic band 6. When holding, the hand can be protected, and when contacting, the friction force of the contact surface can be improved to prevent slipping and other problems.

[0048] The connecting screw rod 901 is installed at both ends of the elastic belt 6, and the positioning end plate 9 can be sleeved thereon. After the positioning end plate 9 is sleeved thereon, the positioning sleeve cover 902 is screwed on the connecting screw rod 901, one end of the positioning sleeve cover 902 can be tightly pressed on the outer wall of the positioning end plate 9, thereby installing the positioning end plate 9. The positioning sleeve cover 902 can be disassembled, the positioning end plate 9 is removed, the restriction on the elastic belt 6 is released, and the elastic belt 6 can be replaced after long-term use, thereby ensuring the applicability.

[0049] It should be understood by those skilled in the art that the embodiments of the utility model shown in the above description and the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and described in the embodiments, and the embodiments of the utility model can have any deformation or modification without departing from the principle.

Claims

1. A device for determining hydrogen bromide in exhaust gas, characterized by: Including the air inlet (101) arranged on the exhaust gas measuring body (1), the inside of the air inlet (101) is provided with a movable impurity removal inner cylinder (2), and the inner surface of the impurity removal inner cylinder (2) is covered with a filter layer (3).

2. A device for determining hydrogen bromide in exhaust gas according to claim 1, characterized in that: The opening of the impurity removal inner cylinder (2) is connected with a positioning cylinder port (201), and the air inlet (101) is provided with a positioning recess (502) inside, so that the positioning cylinder port (201) is located in the positioning recess (502).

3. A device for determining hydrogen bromide in exhaust gas according to claim 2, characterized in that: The inside of the positioning recess (502) is connected with a connecting structure (4) through threads, and one end of the connecting structure (4) tightly presses the positioning cylinder port (201).

4. A device for determining hydrogen bromide in exhaust gas according to claim 3, characterized in that: One end of the connecting structure (4) connected with the positioning cylinder port (201) is connected with a positioning clasp (401), and the positioning cylinder port (201) is provided with a positioning recess (202) so that the positioning clasp (401) is inserted therein.

5. A device for determining hydrogen bromide in exhaust gas according to claim 4, characterized in that: An extension connecting pipe (102) is arranged at the opening of the air inlet (101) to extend, and the end of the connecting structure (4) away from the positioning cylinder port (201) can be extended into the extension connecting pipe (102) and is threadedly connected with the extension connecting pipe (102).

6. A device for determining hydrogen bromide in exhaust gas according to claim 5, characterized in that: A sealing ring (5) is arranged between the extension connecting pipe (102) and the extension connecting pipe (102) to seal.

7. A device for determining hydrogen bromide in exhaust gas according to claim 6, characterized in that: One end of the sealing ring (5) is clamped in the groove at the opening of the extension connecting pipe (102), and the other end is clamped in the groove at the opening of the air inlet (101).

8. A device for determining hydrogen bromide in exhaust gas according to claim 6, characterized by: The sealing ring (5) is provided with a positioning clasp (501) which can be inserted into the inside of the ring port of the air inlet (101).

9. A device for determining hydrogen bromide in exhaust gas according to claim 8, characterized in that: The back of the exhaust gas measuring body (1) is provided with a slot (7), and the inner wall of the slot (7) is provided with a plurality of protective layers (701), the exhaust gas measuring body (1) is provided with an elastic band (6) with an inner convex pad (601), the upper and lower ends of the slot (7) are connected with a fixed sleeve (8) so that the elastic band (6) moves therein, and the elastic band (6) is provided with a positioning end plate (9) at both ends to limit the position.

10. A device for determining hydrogen bromide in exhaust gas according to claim 9, characterized in that: The elastic band (6) is provided with a connecting screw rod (901) which can penetrate the positioning end plate (9) and is threadedly connected through a positioning sleeve cover (902).

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