Integrated flue gas sampler

Abstract

The utility model relates to the technical field of flue gas collecting equipment, in particular to an integrated flue gas sampler which comprises a mounting base, a protective sleeve extending into a sampling hole is arranged on one side of the mounting base, a sampling pipe group is arranged in the protective sleeve, a positioning plate detachably connected with the mounting base is arranged at the end of the sampling pipe group, and a sampling pipe is arranged in the positioning plate. Through a detachable connection mode, the sampling pipe group can be rapidly mounted and dismounted, sampling pipe groups of different specifications can be selected according to different sampling requirements, the operation is simple and convenient, then connection positioning is performed through the protective sleeve and the to-be-measured main body, the structure is simple, and the assembly is efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas collection equipment technical field, concretely relates to integrated flue gas sampler. BACKGROUND

[0002] For the thermal power flexibility transformation thermal power generating unit and the depth peak shaving unit, under different working conditions, the uneven and abnormal fluctuation of flue gas flow field of the denitration system is one of the main reasons leading to low denitration efficiency. For the denitration system adopting SCR denitration process, adjusting ammonia injection according to the variation of real-time online value of key parameters of flue gas flow field under different working conditions is one of the effective ways to improve the utilization efficiency of reducing agent and the system denitration efficiency.

[0003] The existing sampling equipment is mostly single structure, if sample collection needs to be carried out at different positions in the flue gas pipeline, the position of the sampling tube group needs to be changed constantly, which leads to the difficulty in fixing the position of the collection tube during collection operation, especially when multiple sampling needs to be carried out at fixed positions, the accuracy of the detection result is reduced due to the unfixable position of the sampling tube. UTILITARY MODEL CONTENT

[0004] In order to solve the above problems, the utility model embodiment provides an integrated flue gas sampler capable of simultaneously measuring multiple points.

[0005] In order to realize the above purpose, the utility model embodiment specifically adopts the following technical scheme: an integrated flue gas sampler, comprising a mounting base, a protective sleeve extending into a sampling hole is arranged on one side of the mounting base, a sampling tube group is arranged in the protective sleeve, and a positioning plate detachably connected with the mounting base is arranged at the end of the sampling tube group.

[0006] As a further improvement of the above technical scheme:

[0007] The number of the sampling tube groups is multiple, and the length of each sampling tube group is different.

[0008] The minimum length of the sampling tube group is greater than the length of the protective sleeve.

[0009] Each sampling tube group comprises one sampling tube and two flow velocity measuring tubes, and the front end of the sampling tube group is provided with a bevelled air inlet connected with the mounting base.

[0010] The mounting base comprises a first clamping plate connected with the protective sleeve and a second clamping plate detachably connected with the first clamping plate.

[0011] The first clamping plate is provided with a through hole for penetrating the sampling pipe group, and the through hole is provided with a storage groove corresponding to the position of the positioning plate at one end thereof.

[0012] The diameter of the storage groove is greater than that of the through hole, and the diameter of the avoiding hole is less than that of the avoiding hole.

[0013] The integrated flue gas sampler has the advantages that: the integrated flue gas sampler comprises a mounting base, a protective sleeve extending into a sampling hole is arranged on one side of the mounting base, a sampling pipe group is arranged in the protective sleeve, and an end portion of the sampling pipe group is provided with a positioning plate which is detachably connected with the mounting base. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the overall structure of the utility model;

[0015] Figure 2 It is a sectional view of the utility model;

[0016] Figure 3 It is a schematic view of the structure of the sampling pipe group in the utility model;

[0017] Figure 4 It is a sectional view of the mounting base in the utility model.

[0018] In the drawing: 1, mounting base; 2, protective sleeve; 3, sampling pipe group; 4, positioning plate; 5, sampling pipe; 6, flow rate measuring pipe; 7, bevelled air inlet; 8, first clamping plate; 9, second clamping plate; 10, through hole; 11, storage groove; 12, avoiding hole. DETAILED DESCRIPTION

[0019] The preferred embodiments of the utility model are described below with reference to the drawings. Those skilled in the art should understand that these embodiments are only used for explaining the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0020] As Figures 1-4As shown, the integrated flue gas sampler of the embodiment includes a mounting base 1, one side of the mounting base 1 is provided with a protective sleeve 2 extending into the sampling hole, the protective sleeve 2 is provided with a sampling pipe group 3, the end of the sampling pipe group 3 is provided with a positioning plate 4 detachably connected with the mounting base 1, through the detachable connection mode, the sampling pipe group 3 can be quickly installed and detached, different specifications of the sampling pipe group 3 can be selected according to different sampling requirements, which is simple and convenient, and then the protective sleeve 2 is connected and positioned with the measured body, which is simple in structure and efficient in assembly.

[0021] The number of the sampling pipe group 3 is multiple and the length of each sampling pipe group 3 is different, which is used for sampling operation at different positions in the flue gas pipeline, and the minimum length of the sampling pipe group 3 is greater than the length of the protective sleeve 2, so as to avoid the influence of the protective sleeve 2 on the sampling operation.

[0022] Each sampling pipe group 3 includes one sampling pipe 5 and two flow rate measuring pipes 6, and the front end of the sampling pipe group 3 is provided with a bevel air inlet 7 connected with the mounting base 1, and the two flow rate measuring pipes 6 are connected with an external backrest pipe pressure difference measuring meter for detecting the flow rate.

[0023] The mounting base 1 includes a first clamping plate 8 connected with the protective sleeve 2 and a second clamping plate 9 detachably connected with the first clamping plate 8 through bolts, which is simple in structure and convenient for disassembly and secondary installation.

[0024] The first clamping plate 8 is provided with a through hole 10 for penetrating the sampling pipe group 3, and one end of the through hole 10 towards the second clamping plate 9 is provided with a storage groove 11 corresponding to the position of the positioning plate 4, the second clamping plate 9 is provided with an avoidance hole 12 coaxially distributed with the through hole 10, the side wall of the storage groove 11 is provided with a positioning recess, and the positioning plate 4 is provided with a positioning protrusion matched with the positioning recess, the design of the positioning recess and the positioning protrusion can guide the installation of the sampling pipe group 3 and also play the role of mistake prevention.

[0025] The diameter of the storage groove 11 is greater than the diameter of the through hole 10, the storage groove 11 and the through hole 10 form a step for placing the positioning plate 4, the diameter of the avoidance hole 12 is smaller than the diameter of the avoidance hole 12, and after the second clamping plate 9 is fastened with the first clamping plate 8, the positioning plate 4 is pressed, so as to avoid the disengagement or deflection of the positioning plate 4 from the mounting base 1.

[0026] It should be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In addition, it should also be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The term "comprising" or any other similar word is intended to cover non-exclusive inclusion, so that the process, article or equipment / device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes the elements inherent in the process, article or equipment / device.

[0029] So far, the technical scheme of the present application has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Without deviating from the principles of the present application, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical schemes after these changes or replacements will fall within the protection scope of the present application.

Claims

1. An integrated flue gas sampler characterized by: The application relates to a sampling device, which comprises a mounting base (1), one side of the mounting base (1) being provided with a protective sleeve (2) extending into a sampling hole, a sampling tube group (3) being arranged in the protective sleeve (2), and an end of the sampling tube group (3) being provided with a positioning plate (4) detachably connected with the mounting base (1).

2. The integrated flue gas sampler of claim 1, wherein: The sampling tube group (3) is multiple in number, and the lengths of the sampling tube groups (3) are different.

3. The integrated flue gas sampler of claim 2, wherein: The minimum length of the sampling tube group (3) is greater than the length of the protective sleeve (2).

4. The integrated flue gas sampler of claim 2, wherein: Each sampling tube group (3) comprises one sampling tube (5) and two flow rate measuring tubes (6), and the two flow rate measuring tubes (6) are provided with bevelled air inlets (7) at the ends away from the positioning plate (4).

5. The integrated flue gas sampler of claim 4, wherein: The mounting base (1) comprises a first clamping plate (8) connected with the protective sleeve (2) and a second clamping plate (9) detachably connected with the first clamping plate (8).

6. The integrated flue gas sampler of claim 5, wherein: The first clamping plate (8) is provided with a through hole (10) for penetrating the sampling tube group (3), and an end of the through hole (10) towards the second clamping plate (9) is provided with a storage groove (11) corresponding to the position of the positioning plate (4); and the second clamping plate (9) is provided with an avoiding hole (12) coaxially distributed with the through hole (10).

7. The integrated flue gas sampler of claim 6, wherein: The diameter of the storage groove (11) is greater than the diameter of the through hole (10), and the diameter of the avoiding hole (12) is smaller than the diameter of the avoiding hole (12).

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