Flue gas sampling device with heat tracing pipe capable of being rapidly replaced

Abstract

The utility model discloses a flue gas sampling device with a heat tracing pipe capable of being replaced quickly, which comprises a protective shell, a side cover covers an opening on the side surface of the protective shell, and the heat tracing sampling pipe is movably inserted in the protective shell. Through mutual cooperation of the protective shell, the side cover, the heat tracing sampling pipe, the fixing block, the inserting block, the connecting block, the communicating pipe, the extension pipe, a transverse plate, a limiting plate, a stabilizing plate, a center plate, a telescopic rod, a first spring, a heat preservation sleeve, a valve, a rotating shaft, a pull rod, a driving block, a second spring, a positioning plate, a bearing, a rotating rod and a pull plate; the whole flue gas sampling device is convenient to carry, and the heat tracing sampling pipe can be quickly replaced, so that when one sample is taken out, the communicating pipe can be directly plugged by using the valve, then other heat tracing sampling pipes are replaced for sampling again, sampling can be carried out for multiple times, and the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas sampling technical field, concretely is a flue gas sampling device with quick replacement heat tracing pipe. BACKGROUND

[0002] Heat tracing pipe is short for heat tracing pipe, and the heat tracing object is flue gas, pressure guide pipe, regulating valve, process pipeline or instrument and heat preservation box directly installed on process equipment, and the medium thereof is 0.2~0.4MPa low-pressure steam, the existing heat tracing sampling pipe is not convenient for replacing heat tracing pipe in daily sampling, which makes a device only take one sample at a time, and it is inconvenient for multiple sampling, and inconvenient to use.

[0003] Therefore, the flue gas sampling device with quick replacement heat tracing pipe is provided to perfect and supplement the prior art. UTILITY MODEL CONTENTS

[0004] The utility model discloses a flue gas sampling device with quick replacement heat tracing pipe to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a flue gas sampling device with quick replacement heat tracing pipe, including protection shell, the opening of protection shell side is covered with side cover, the heat tracing sampling pipe is movably inserted in the protection shell, the left side of the protection shell is fixedly connected with the transverse plate, the transverse plate is movably inserted on the side cover, the recess in the side of the side cover is provided with the limit board, one side of the limit board is fixedly connected with the stabilizing plate, the side, away from the limit board of stabilizing plate, is movably inserted on the side cover through the transverse plate, and the relative position of limit board and side cover is locked by the way of insertion locking, so that the side cover does not separate from the protection shell, the recess in the side of the side cover is provided with the center plate, the side of the center plate is fixedly connected with the telescopic link, one end of the telescopic link, away from the center plate, is fixedly connected with the limit board, the surface of the telescopic link is equipped with spring no.

[0006] Optionally, the right side of the side cover is fixedly connected with the fixed block, the top of the fixed block is fixedly connected with the insertion block, the top of the insertion block is fixedly connected with the connecting block, and the right side of the connecting block is fixedly connected with the heat tracing sampling pipe, the insertion block is movably inserted on the fixed block, when the side cover is disassembled, the heat tracing sampling pipe can be taken out from the protection shell by pulling the disassembly cover, and the heat tracing sampling pipe is also convenient to separate from the side cover.

[0007] Optionally, the right side of the heat tracing sampling pipe is fixedly connected with a communication pipe, the right side of the protective shell is fixedly communicated with an extension pipe, and the right side of the communication pipe is movably inserted into the extension pipe, so that the pipeline cover arranged in extension is arranged on the surface of the communication pipe, and sampling work is facilitated.

[0008] Optionally, the protective shell is provided with a heat preservation sleeve, the inner wall of the heat preservation sleeve is in contact with the surface of the heat tracing sampling pipe, the heat tracing sampling pipe is coated and preserved by the heat preservation sleeve arranged in a cladding mode, heat loss of flue gas can be avoided, and subsequent detection work is facilitated.

[0009] Optionally, the communication pipe is provided with a valve, the protective shell is rotatably connected with a rotating shaft, the rotating shaft is movably connected with a pull rod, the top end of the pull rod is fixedly connected with a driving block, and the top of the driving block is movably inserted into a groove in the bottom of a valve rod of the valve, so that the communication pipe is opened and closed by the valve, and the communication pipe can be blocked when the heat tracing sampling pipe is disassembled, so that the sampling flue gas is prevented from escaping.

[0010] Optionally, the surface of the pull rod is provided with a spring two, and the spring two provides extrusion force, so that the driving block is stably inserted into the groove in the bottom of the valve rod.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The protective shell, the side cover, the heat tracing sampling pipe, the fixed block, the insertion block, the connecting block, the communication pipe, the extension pipe, the horizontal plate, the limiting plate, the stabilizing plate, the center plate, the telescopic rod, the spring one, the heat preservation sleeve, the valve, the rotating shaft, the pull rod, the driving block, the spring two, the positioning plate, the bearing, the rotating rod and the pull plate are cooperated with each other, the whole flue gas sampling device is convenient to carry in the process of using, the heat tracing sampling pipe can be quickly replaced, the communication pipe can be blocked by the valve when a sample is taken out, then other heat tracing sampling pipes are replaced to take samples again, and the flue gas sampling device can be used repeatedly. DETAILED DESCRIPTION

[0013] Figure 1 It is a structure section view of the front view of the utility model;

[0014] Figure 2 It is a structure section view of the front view of part of the structure of the utility model;

[0015] Figure 3 It is a structure schematic view of the left view of the heat preservation sleeve of the utility model;

[0016] Figure 4 It is a structure schematic view of the utility model;

[0017] Figure 5It is the three-dimensional structure schematic view of the rotating shaft and the pull rod and other components of the utility model,

[0018] Figure 6 It is the three-dimensional structure schematic view of the side cover and the center plate and other components of the utility model,

[0019] In the drawing: 1 protective shell, 2 side cover, 3 heat tracing sampling pipe, 4 fixed block, 5 plug-in block, 6 connecting block, 7 communication pipe, 8 extension pipe, 9 horizontal plate, 10 limit plate, 11 stabilizing plate, 12 center plate, 13 telescopic rod, 14 spring one, 15 heat preservation sleeve, 16 valve, 17 rotating shaft, 18 pull rod, 19 driving block, 20 spring two, 21 positioning plate, 22 bearing, 23 rotating rod, 24 pull plate. DETAILED DESCRIPTION

[0020] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-6 A flue gas sampling device with heat tracing pipe that can be quickly replaced, comprising a protective shell 1, an opening on the side of the protective shell 1 is covered with a side cover 2, a heat tracing sampling pipe 3 is movably plugged into the protective shell 1, a positioning plate 21 is fixedly connected to the right side of the heat tracing sampling pipe 3, and the side of the positioning plate 21 away from the heat tracing sampling pipe 3 is movably plugged into the protective shell 1.

[0022] Please refer to Figures 1-6 The right side of the side cover 2 is fixedly connected with a fixed block 4, the top of the fixed block 4 is fixedly connected with a plug-in block 5, the top of the plug-in block 5 is fixedly connected with a connecting block 6, and the right side of the connecting block 6 is fixedly connected with the heat tracing sampling pipe 3.

[0023] Please refer to Figures 1-6 The right side of the heat tracing sampling pipe 3 is fixedly connected with a communication pipe 7, the right side of the protective shell 1 is fixedly connected with an extension pipe 8, and the right side of the communication pipe 7 is movably plugged into the inside of the extension pipe 8.

[0024] Please refer to Figures 1-6 The left side of the protective shell 1 is fixedly connected with a horizontal plate 9, the horizontal plate 9 is movably plugged into the side cover 2, a limit plate 10 is arranged in the groove on the side of the side cover 2, one side of the limit plate 10 is fixedly connected with a stabilizing plate 11, and the side of the stabilizing plate 11 away from the limit plate 10 is movably plugged into the side cover 2 through the horizontal plate 9.

[0025] Please refer to Figures 1-6The side of the side cover 2 is provided with a groove, and a center plate 12 is arranged in the groove, the side of the center plate 12 is fixedly connected with an extension rod 13, the end of the extension rod 13 away from the center plate 12 is fixedly connected with the limiting plate 10, the surface of the extension rod 13 is sleeved with a spring 14, one end of the spring 14 is fixedly connected with the center plate 12, the other end of the spring 14 is fixedly connected with the limiting plate 10, the spring 14 is in a compressed state in the state shown in the figure, so that the spring 14 has a tendency to drive the limiting plate 10 to move away from the center plate 12, and the stabilizing plate 11 is fixedly connected with the limiting plate 10, so that the stabilizing plate 11 is stably arranged on the side cover 2.

[0026] Please refer to Figures 1-6 The protective shell 1 is provided with a heat preservation sleeve 15, the inner wall of the heat preservation sleeve 15 is in contact with the surface of the heat tracing sampling pipe 3, and the heat preservation sleeve 15 is a heat preservation foam sleeve.

[0027] Please refer to Figures 1-6 The communication pipe 7 is provided with a valve 16, the protective shell 1 is rotatably connected with a rotating shaft 17, the groove in the bottom of the protective shell 1 is provided with a bearing 22, the inner wall of the inner ring of the bearing 22 is fixedly welded with the rotating shaft 17, the surface of the outer ring of the bearing 22 is fixedly welded on the protective shell 1, and the bearing 22 has the characteristics that the inner and outer rings can relatively rotate, the bearing 22 is arranged in this way, on the one hand, the rotating shaft 17 can rotate relative to the protective shell 1, on the other hand, the rotating shaft 17 will not be separated from the protective shell 1, the side of the rotating shaft 17 is fixedly connected with a rotating rod 23, the rotating rod 23 is arranged to facilitate the user to manually rotate the rotating shaft 17, the rotating shaft 17 is movably connected with a pull rod 18, the bottom end of the pull rod 18 is fixedly connected with a pull plate 24, the pull plate 24 is arranged to facilitate the user to pull the pull rod 18 downward, and the bottom of the pull plate 24 is provided with a groove. Figure 5 As can be clearly seen, the pull rod 18 is a square long rod, the pull rod 18 is arranged in this way, can relatively move up and down with the rotating shaft 17, and the rotating shaft 17 rotates and drives the pull rod 18 to rotate, the top end of the pull rod 18 is fixedly connected with a driving block 19, the top of the driving block 19 is movably inserted into the groove in the bottom of the valve rod of the valve 16, and the top of the rotating shaft 17 is provided in a notched manner, which is used for installing the spring 20 and leaving enough compression space for the spring 20, and also used for not affecting the downward movement of the driving block 19.

[0028] Please refer to Figures 1-6The surface of the pull rod 18 is sleeved with a spring 20, one end of the spring 20 is fixedly connected with the rotating shaft 17, the other end of the spring 20 is fixedly connected with the driving block 19, the spring 20 is in a compressed state in the state shown in the figure, so that the spring 20 has a tendency to drive the driving block 19 to move away from the rotating shaft 17 in the vertical direction, so that the driving block 19 can be stably inserted into the groove at the bottom of the valve rod of the valve 16. In actual operation, the driving block 19 is a cube. After the next heat tracing sampling pipe 3 is loaded into the protective shell 1, the angle of the driving block 19 may not be able to be inserted into the groove at the bottom of the valve rod of the valve 16. Here, the rotating shaft 17 is only slightly rotated, so that the driving block 19 can be aligned with the groove at the bottom of the valve rod of the new valve 16.

[0029] In use, the flue gas generally has its own discharge pipeline, and a gas sampling pipe is reserved on the discharge pipe. If there is no such pipeline, the heat tracing sampling pipe 3 can be pre-evacuated. By rotating the rotating shaft 17 through the rotating rod 23, the rotating shaft 17 drives the valve rod of the valve 16 through the pull rod 18 and the driving block 19. In this way, the communication pipe 7 is opened, and the flue gas enters the heat tracing sampling pipe 3 through the communication pipe 7 and the extension pipe 8. Then, the valve rod of the valve 16 is reversely rotated, the communication pipe 7 is blocked, the thumb and the index finger of one hand move the two limiting plates 10 towards each other, and the remaining fingers can pull or push the pull plate 24 (i.e. make the pull plate 24 move downwards). The pull plate 24 drives the driving block 19 to move downwards through the pull rod 18, the spring 20 is compressed, the driving block 19 is separated from the groove at the bottom of the valve rod of the valve 16, the side cover 2 is pulled, the side cover 2 is separated from the protective shell 1, the side cover 2 drives the heat tracing sampling pipe 3 to move leftwards through the fixed block 4, the plug-in block 5 and the connecting block 6, the heat tracing sampling pipe 3 drives the positioning plate 21 to separate from the protective shell 1, and the heat tracing sampling pipe 3 drives the communication pipe 7 to separate from the extension pipe 8. In this way, the heat tracing sampling pipe 3 is disassembled, and then a new heat tracing sampling pipe 3 is replaced.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flue gas sampling device with a quickly replaceable heat tracing pipe, comprising a protective housing (1), characterized in that: The opening in the side of the protective shell (1) is covered with a side cover (2), a heat tracing sampling pipe (3) is movably inserted into the protective shell (1), a horizontal plate (9) is fixedly connected to the left side of the protective shell (1), the horizontal plate (9) is movably inserted into the side cover (2), a limiting plate (10) is arranged in the groove in the side of the side cover (2), one side of the limiting plate (10) is fixedly connected with a stabilizing plate (11), the side away from the limiting plate (10) of the stabilizing plate (11) is movably inserted into the side cover (2) through the horizontal plate (9), a center plate (12) is arranged in the groove in the side of the side cover (2), a telescopic rod (13) is fixedly connected to the side of the center plate (12), one end of the telescopic rod (13) away from the center plate (12) is fixedly connected with the limiting plate (10), and a spring (14) is arranged on the surface of the telescopic rod (13).

2. The flue gas sampling device with a quickly replaceable heat tracing tube according to claim 1, characterized in that: The right side of the side cover (2) is fixedly connected with a fixed block (4), the top of the fixed block (4) is fixedly connected with an insertion block (5), the top of the insertion block (5) is fixedly connected with a connecting block (6), and the right side of the connecting block (6) is fixedly connected with the heat tracing sampling pipe (3).

3. The flue gas sampling device with a quickly replaceable heat tracing tube according to claim 2, characterized in that: The right side of the heat tracing sampling pipe (3) is fixedly connected with a communication pipe (7), the right side of the protective shell (1) is fixedly connected with an extension pipe (8), and the right side of the communication pipe (7) is movably inserted into the inside of the extension pipe (8).

4. The flue gas sampling device with a quickly replaceable heat tracing tube according to claim 3, characterized in that: A heat preservation sleeve (15) is arranged in the protective shell (1), and the inner wall of the heat preservation sleeve (15) is in contact with the surface of the heat tracing sampling pipe (3).

5. The flue gas sampling device with a rapidly replaceable heat tracing tube according to claim 4, characterized in that: A valve (16) is arranged on the communication pipe (7), a rotating shaft (17) is rotatably connected to the protective shell (1), a pull rod (18) is movably connected to the rotating shaft (17), the top end of the pull rod (18) is fixedly connected with a driving block (19), and the top of the driving block (19) is movably inserted into the groove in the bottom of the valve rod of the valve (16).

6. The flue gas sampling device with a rapidly replaceable heat tracing tube according to claim 5, characterized in that: A spring (20) is arranged on the surface of the pull rod (18).

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