Flue gas sampling equipment easy to disassemble and maintain

By introducing sealing and positioning components into the flue gas sampling equipment, the problem of flue gas leakage was solved, and the accuracy and stability of the detection data were improved.

CN224035027UActive Publication Date: 2026-03-24NANTONG SHANGHAO TECH ENTERPRISE SERVICE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing flue gas sampling equipment is prone to flue gas leakage due to environmental differences during use, which affects the accuracy of the detection data.

Method used

An easy-to-disassemble and maintain flue gas sampling device was designed, which adopts a sealing component and a positioning component. The sealing effect is improved by the gas chamber and internal sealing bladder of the sealing component, and the threaded rod and guide frame of the positioning component maintain the stability of the detection sampling head.

Benefits of technology

It effectively reduces the impact of the external environment on the test data, and improves the accuracy and stability of the test data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses flue gas sampling equipment easy to disassemble and maintain, which belongs to the field of sampling equipment and comprises a mounting pipe and a connecting mechanism, a plurality of internal frames are fixedly connected to the inner wall of the mounting pipe and are annularly and uniformly distributed along the inner wall of the mounting pipe, and the connecting mechanism is mounted on the surface of the mounting pipe. The surface of the connecting mechanism extends to the inner side of the mounting pipe, and the connecting mechanism is connected to the surface of the inner frame; the connecting mechanism comprises a sealing assembly installed on the surface of the installation pipe, and the surface of the sealing assembly extends to the inner wall of the installation pipe. By arranging the sealing assembly, a communicating pipe of the device can inject gas into a gas bin, so that the gas bin injects the gas into a plurality of internal sealing bags, the surfaces of the internal sealing bags are in contact with the surface of a pipeline, and the sealing effect of the device and a gas outlet can be improved through a plurality of sealing rings; and the influence of the external environment on the detection data is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment field specifically relates to an easy disassembly maintenance's flue gas sampling equipment. BACKGROUND

[0002] Biomass boiler is directly used as fuel combustion in thermal power plant, and the energy generated by combustion is used for power generation. Today, the main combustion form of biomass boiler for power generation is fluidized bed combustion boiler and grate boiler. The flue gas generated during the combustion of biomass boiler contains harmful substances that pollute the environment. Oxygen, carbon monoxide, nitrogen oxides, sulfur dioxide and other important monitoring parameters in flue gas are important monitoring parameters. Accurate flue gas composition is also needed when calculating boiler efficiency, air preheater leakage rate and pollutant emission value. In order to solve the problem of harmful substances, the flue gas needs to be collected and then the internal composition is analyzed.

[0003] After searching the prior art, "a kind of boiler flue gas sampling equipment", announcement number "CN220772692U", the device can effectively detect the impurities in flue gas by setting installation assembly, filter screen and settling chamber, to improve the precision of sampling, the use of cooling chamber, simple structure water tank heat absorption method is used to cool flue gas;But the device will leak to the outside through the gap connected during use, which will affect the accuracy of detection data.

[0004] Therefore, the utility model designs an easy disassembly maintenance's flue gas sampling equipment to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of the prior art, the utility model provides an easy disassembly maintenance's flue gas sampling equipment.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] An easy disassembly maintenance's flue gas sampling equipment, comprising a mounting pipe, the inner wall of the mounting pipe is fixedly connected with a plurality of internal racks, a plurality of the internal racks are evenly distributed along the inner wall of the mounting pipe in a ring shape, a connecting mechanism, the connecting mechanism is installed on the surface of the mounting pipe, the surface of the connecting mechanism extends to the inside of the mounting pipe, and the connecting mechanism is connected to the surface of the internal rack;Wherein, the connecting mechanism comprises a sealing assembly installed on the surface of the mounting pipe, the surface of the sealing assembly extends to the inner wall of the mounting pipe, one side of the sealing assembly is provided with a positioning assembly, the positioning assembly is installed on the surface of the internal rack, and the surface of the positioning assembly extends to the inside of the sealing assembly.

[0008] Further, the sealing assembly comprises an air chamber fixedly connected to the surface of the mounting pipe, the lower end of the air chamber penetrates the mounting pipe and extends to the inside of the mounting pipe, the inner wall of the mounting pipe is fixedly connected with a plurality of internal sealing capsules, the internal sealing capsules are in communication with the air chamber, one end of the air chamber is fixedly connected with a communication pipe in communication with the air chamber, and the end of the communication pipe away from the air chamber is fixedly connected with a cylinder.

[0009] Further, the positioning assembly comprises a threaded sleeve fixedly connected to the plurality of internal frames away from the end of the mounting pipe, the inner wall of the threaded sleeve is threadedly connected with a threaded rod, one end of the threaded rod penetrates to the outside of the mounting pipe and is fixedly connected with a knob handle, and the other end of the threaded rod penetrates to the inside of the mounting pipe and is rotatably connected with a detection sampling head.

[0010] Further, the inner wall of the cylinder is slidably connected with a piston, the inner wall of the piston is fixedly connected with an internal pipe, and the inner wall of the internal pipe is fixedly connected with a one-way valve.

[0011] Further, the internal sealing capsule is fixedly connected with a plurality of sealing rings away from the inner wall of the mounting pipe, and the plurality of sealing rings are uniformly distributed along the surface of the internal sealing capsule.

[0012] Further, the detection sampling head is fixedly connected with a plurality of guide frames on the side close to the knob handle, and the adjacent guide frames are slidably connected to the surface of the internal frame.

[0013] Further, the surface of the communication pipe is embedded with a deflation valve in communication with the communication pipe. Beneficial effects

[0014] The above-mentioned smoke sampling device easy to disassemble and maintain, by setting the sealing assembly, the communication pipe of the device injects gas into the inside of the air chamber, so that the air chamber injects gas into the inside of the plurality of internal sealing capsules, the surface of the internal sealing capsule will contact the surface of the pipeline, and the sealing effect of the device and the gas outlet will be improved by the plurality of sealing rings, and the influence of the external environment on the detection data is reduced.

[0015] The device is provided with a positioning assembly, under the action of the positioning assembly, the threaded rod will be driven to extend into the inside of the pipeline for detection through the threaded sleeve, the accuracy of the detection data is improved, and the detection sampling head will not easily rotate with the threaded rod by the plurality of guide frames while the device is detecting, the stability of the detection sampling head is maintained, and the detection accuracy of the detection sampling head is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 A schematic diagram of the structure of the flue gas sampling equipment easy to disassemble and maintain of the present application;

[0018] Figure 2 A schematic diagram of the internal structure of the installation pipe of the flue gas sampling equipment easy to disassemble and maintain of the present application;

[0019] Figure 3 A schematic diagram of the sealing assembly structure of the flue gas sampling equipment easy to disassemble and maintain of the present application;

[0020] Figure 4 A schematic diagram of the explosion structure of the positioning assembly of the flue gas sampling equipment easy to disassemble and maintain of the present application.

[0021] The numbers in the drawings represent:

[0022] 1, installation pipe; 2, internal frame; 3, connecting mechanism; 31, sealing assembly; 311, air chamber; 312, internal sealing bag; 313, communication pipe; 314, piston; 315, internal pipe; 316, one-way valve; 317, air release valve; 318, sealing ring; 32, positioning assembly; 321, threaded sleeve; 322, threaded rod; 323, knob handle; 324, detection sampling head; 325, guide frame. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] The present application will be further described below in combination with the embodiments.

[0025] In some embodiments, please refer to the drawings in the description Figures 1-4The utility model provides a flue gas sampling equipment of easy disassembly maintenance, including installation pipe 1, the inner wall fixed connection of installation pipe 1 has a plurality of internal frame 2, a plurality of internal frame 2 along the inner wall of installation pipe 1 annularly evenly distributed, connecting mechanism 3, connecting mechanism 3 installs at the surface of installation pipe 1, the surface of connecting mechanism 3 extends to the inside of installation pipe 1, and connecting mechanism 3 is connected to the surface of internal frame 2, wherein, connecting mechanism 3 includes the sealing assembly 31 of installation at the surface of installation pipe 1, the surface of sealing assembly 31 extends to the inner wall of installation pipe 1, and one side of sealing assembly 31 is provided with the positioning assembly 32, and the positioning assembly 32 is installed at the surface of internal frame 2, and the surface of positioning assembly 32 extends to the inside of sealing assembly 31,

[0026] In the embodiment of the utility model, the device can quickly clamp and position the end of the pipeline through the sealing assembly 31, which can satisfy stable positioning of pipelines of different thicknesses and achieve the effect of quick installation, thereby ensuring the stability of positioning. The device can collect flue gas from pipelines of different depths according to specific use requirements through the positioning assembly 32.

[0027] In some embodiments, as shown in Figures 1-3 Further, the sealing assembly 31 includes an air chamber 311 fixedly connected to the surface of the installation pipe 1, the lower end of the air chamber 311 penetrates through the installation pipe 1 and extends into the installation pipe 1, a plurality of internal sealing capsules 312 are fixedly connected to the inner wall of the installation pipe 1, the internal sealing capsules 312 are in communication with the air chamber 311, one end of the air chamber 311 is fixedly connected to a communication pipe 313 in communication with the air chamber 311, the end of the communication pipe 313 away from the air chamber 311 is fixedly connected to a cylinder, a piston 314 is slidingly connected to the inner wall of the cylinder, an internal pipe 315 is fixedly connected to the inner wall of the piston 314, a one-way valve 316 is fixedly connected to the inner wall of the internal pipe 315, a plurality of sealing rings 318 are fixedly connected to the internal sealing capsules 312 away from the inner wall of the installation pipe 1, the plurality of sealing rings 318 are evenly distributed along the surface of the internal sealing capsules 312, and a deflation valve 317 is embedded in the surface of the communication pipe 313 and in communication with the communication pipe 313.

[0028] In the embodiment of the utility model, when in use, pushing and pulling the internal pipe 315 will drive the piston 314 to reciprocate in the inner wall of the cylinder, the one-way valve 316 allows external gas to move towards the piston 314 through the internal pipe 315, and the gas is injected into the air chamber 311 through the communication pipe 313, the air chamber 311 injects the gas into the internal sealing capsules 312, the surface of the internal sealing capsules 312 will be in contact with the surface of the pipeline, and the sealing effect of the device and the gas outlet will be improved through the plurality of sealing rings 318, thereby reducing the influence of the external environment on the detection data.

[0029] In some embodiments, as Figure 1 、 Figure 2 、 Figure 4 As a preferred embodiment of the utility model, further, the positioning assembly 32 includes a threaded sleeve 321 fixedly connected to the plurality of inner shelves 2 away from the end of the mounting pipe 1, the inner wall of the threaded sleeve 321 is threadedly connected with a threaded rod 322, one end of the threaded rod 322 penetrates to the outside of the mounting pipe 1 and is fixedly connected with a knob handle 323, the other end of the threaded rod 322 penetrates to the inside of the mounting pipe 1 and is rotatably connected with a detection sampling head 324, a plurality of guide frames 325 are fixedly connected to the side of the detection sampling head 324 close to the knob handle 323, and the adjacent guide frames 325 are slidably connected to the surface of the inner shelf 2.

[0030] In the embodiment of the utility model, the device will drive the threaded rod 322 to rotate synchronously by manually twisting the knob handle 323, wherein the threaded rod 322 will drive the detection sampling head 324 to extend into the inside of the pipeline to be detected through the threaded sleeve 321, the accuracy of the detection data is improved, and the device can keep the detection sampling head 324 from rotating with the threaded rod 322 easily while detecting through the plurality of guide frames 325, the stability of the detection sampling head 324 is maintained, and the detection accuracy of the detection sampling head 324 is improved.

[0031] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will 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 flue gas sampling device easy to disassemble and maintain, comprising a mounting pipe (1), the inner wall of the mounting pipe (1) is fixedly connected with a plurality of internal racks (2), the plurality of internal racks (2) are evenly distributed in a ring shape along the inner wall of the mounting pipe (1), characterized in that: a connecting mechanism (3) is installed on the surface of the mounting pipe (1), the surface of the connecting mechanism (3) extends to the inner side of the mounting pipe (1), and the connecting mechanism (3) is connected to the surface of the internal rack (2); wherein the connecting mechanism (3) comprises a sealing assembly (31) installed on the surface of the mounting pipe (1), the surface of the sealing assembly (31) extends to the inner wall of the mounting pipe (1), one side of the sealing assembly (31) is provided with a positioning assembly (32), the positioning assembly (32) is installed on the surface of the internal rack (2), and the surface of the positioning assembly (32) extends to the inside of the sealing assembly (31). The sealing assembly (31) comprises an air chamber (311) fixedly connected to the surface of the mounting pipe (1), the lower end of the air chamber (311) penetrates through the mounting pipe (1) and extends to the inside of the mounting pipe (1), a plurality of internal sealing capsules (312) are fixedly connected to the inner wall of the mounting pipe (1), the internal sealing capsules (312) are in communication with the air chamber (311), one end of the air chamber (311) is fixedly connected with a communication pipe (313) in communication with the air chamber (311), and the end, away from the air chamber (311), of the communication pipe (313) is fixedly connected with a cylinder. The positioning assembly (32) comprises a threaded sleeve (321) fixedly connected to the end, away from the mounting pipe (1), of the plurality of internal racks (2), a threaded rod (322) is threadedly connected to the inner wall of the threaded sleeve (321), one end of the threaded rod (322) penetrates to the outside of the mounting pipe (1) and is fixedly connected with a knob handle (323), and the other end of the threaded rod (322) penetrates to the inside of the mounting pipe (1) and is rotationally connected with a detection sampling head (324).

2. The easily disassembled and maintained flue gas sampling device according to claim 1, characterized in that, The inner wall of the cylinder is slidably connected with a piston (314), the inner wall of the piston (314) is fixedly connected with an internal pipe (315), and the inner wall of the internal pipe (315) is fixedly connected with a one-way valve (316).

3. The easily disassembled and maintained flue gas sampling device according to claim 1, characterized in that, The internal sealing capsules (312) are fixedly connected with a plurality of sealing rings (318) away from the inner wall of the mounting pipe (1), and the plurality of sealing rings (318) are evenly distributed along the surface of the internal sealing capsules (312).

4. The easily disassembled and maintained flue gas sampling device according to claim 2, characterized in that, The detection sampling head (324) is fixedly connected with a plurality of guide racks (325) on the side close to the knob handle (323), and the adjacent guide racks (325) are slidably connected to the surface of the internal rack (2).

5. The easily disassembled and maintained flue gas sampling device according to claim 4, characterized in that, The surface of the communication pipe (313) is embeddedly installed with a deflation valve (317) in communication with the communication pipe (313).

6. The easily disassembled and maintained flue gas sampling device according to claim 3, characterized in that, ​ 7. The easily disassembled and maintained flue gas sampling device according to claim 2, characterized in that, ​

Citation Information

Patent Citations

  • Boiler flue gas sampling equipment

    CN220772692U