Gas detection pretreatment device convenient to clean

Abstract

The utility model provides a gas detection pretreatment device convenient to clean, which belongs to the technical field of gas detection and adopts the technical scheme that the gas detection pretreatment device comprises a workbench, a dust removal box arranged at the top of the workbench, a dust removal cavity formed in the top of the dust removal box, a detachable dust removal component arranged at the top of the dust removal cavity and a dehumidification tank arranged at the top of the workbench, the dehumidification tank communicates with the dust removal box through an air guide pipe, a dehumidification cavity is formed in the top of the dehumidification tank, a dehumidification assembly is arranged in the dehumidification cavity, and a sealing tank cover is arranged at the top of the dehumidification cavity; through the arrangement of the dust removal assembly, a user can directly move a coarse filter plate and a fine filter plate out of a dust removal cavity, clean the coarse filter plate and the fine filter plate and replace a filter screen, the problem that a traditional pretreatment device can be maintained only after being shut down and disassembled is solved, inconvenience in the cleaning process is reduced, and maintenance and cleaning are convenient; and meanwhile, through the arrangement of the dehumidification assembly, during cleaning and maintenance, cleaning liquid in a dehumidification cavity can be collected through a collection bin, and convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas detection, and more specifically, particularly relates to a gas detection preprocessing device which is easy to clean. Background Art

[0002] When using gas detection instruments to detect gas, its detection sensor is easily affected by some easily condensed pollutants, which will affect the detection accuracy and response speed; therefore, when detecting gas, samples often need to be pre-processed to ensure the accuracy and reliability of the detection.

[0003] For example, the Chinese utility model patent with patent number 202021576112.9 provides a pretreatment device for a gas detector. The device is equipped with a blower, a cooling chamber, a dust removal chamber, an electrostatic dust removal plate and an air duct. When in use, the blower is started to allow the gas to enter the cooling chamber, dry it, and then enter the dust removal chamber through the air duct, and pass through multiple groups of electrostatic dust removal plates for dust removal. However, the traditional pretreatment device is usually an integral structure. When it is maintained and cleaned, it needs to be shut down and disassembled for cleaning, which makes the overall cleaning process more inconvenient. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a gas detection pretreatment device that is easy to clean, so as to solve the technical problem in the prior art that the traditional pretreatment device is usually an integral structure, which needs to be shut down and disassembled when it is maintained and cleaned, making the overall cleaning process inconvenient.

[0005] The purpose and effect of the gas detection pretreatment device that is easy to clean in the utility model are achieved by the following specific technical means:

[0006] A gas detection pretreatment device that is easy to clean includes a workbench, a dust removal box is arranged on the top of the workbench, a dust removal cavity is opened on the top of the dust removal box, a detachable dust removal assembly is arranged on the top of the dust removal cavity, a dehumidification tank is also arranged on the top of the workbench, the dehumidification tank is connected to the dust removal box through an air duct, a dehumidification cavity is opened on the top of the dehumidification tank, a dehumidification assembly is arranged in the dehumidification cavity, and a sealed tank cover is arranged on the top of the dehumidification cavity.

[0007] According to a preferred embodiment, an air inlet is opened on one side of the dust removal box, an air inlet valve is arranged on the air inlet, the other side of the dust removal box is connected to the air duct, and a sealed box cover is arranged on the top of the dust removal chamber.

[0008] According to a preferred embodiment, the dust removal assembly includes a coarse filter plate and a fine filter plate, and two groups of slots are correspondingly arranged on the top of the sealed box cover; the coarse filter plate and the fine filter plate respectively pass through the two groups of slots and are detachably arranged in the dust removal chamber.

[0009] According to a preferred embodiment, the dust removal assembly further includes a fine filter screen, the fine filter screen is arranged on the fine filter plate, and a first sealing gasket is arranged between the two groups of slots corresponding to the coarse filter plate and the fine filter plate respectively.

[0010] According to a preferred embodiment, handles are provided on the tops of the coarse filter plate and the fine filter plate, fixing seats are provided on both sides of the dust removal box, and two groups of the fixing seats are fixedly connected to the workbench by screws.

[0011] According to a preferred embodiment, the dehumidification component includes a condenser, the condenser is arranged in the dehumidification chamber, and both ends of the condenser pass through the sealed tank cover to be connected to an external condensation device.

[0012] According to a preferred embodiment, the dehumidification component also includes a condensation water collection tank, the condensation water collection tank is opened on one side of the workbench, a drip pipe is arranged at the bottom of the dehumidification tank, a through hole is opened correspondingly at the top of the condensation water collection tank, and the drip pipe is passed through the through hole.

[0013] According to a preferred embodiment, a slidable collecting bin is further provided in the condensed water collecting tank, and a second sealing gasket is provided between the collecting bin and the workbench.

[0014] According to a preferred embodiment, a gas outlet is provided on the top of the sealed can cover, one end of the gas outlet valve is connected to the gas outlet, and the other end is connected to the detection equipment.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. Through the setting of the dust removal component, when maintaining the pretreatment device, the user can grab the two sets of handles to directly move the coarse filter plate and the fine filter plate out of the dust removal chamber, clean them and replace the filter screen, which is convenient for maintenance and cleaning. It solves the problem that the traditional pretreatment device needs to be shut down and disassembled for maintenance, reduces the inconvenience during the cleaning process, and improves work efficiency.

[0017] 2. Through the setting of the dehumidification component, when using the pretreatment device, the gas in the dehumidification chamber can be condensed through the condenser, so that the moisture in the gas becomes condensed water attached to the condenser and the inner wall of the dehumidification chamber. At the same time, the condensed water enters the collection bin along the drip pipe under the action of its own gravity; when cleaning and maintenance, the collection bin can also be used to collect the cleaning liquid in the dehumidification chamber, further improving the convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a gas detection pretreatment device that is easy to clean according to the utility model;

[0019] Figure 2 This is an exploded view of a gas detection pretreatment device that is easy to clean according to the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the dust removal component after assembly in a gas detection pretreatment device that is easy to clean according to the utility model;

[0021] Figure 4 for Figure 3 Schematic diagram of the structure after splitting;

[0022] Figure 5 This is a schematic diagram of the structure of the dehumidification component after assembly in a gas detection pretreatment device that is easy to clean according to the utility model;

[0023] Figure 6 for Figure 5 Schematic diagram of the structure after decomposition.

[0024] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0025] 11. Workbench; 12. Dust removal box; 13. Dust removal chamber; 14. Dehumidification tank; 15. Air duct; 16. Dehumidification chamber; 17. Sealed tank cover; 21. Coarse filter plate; 22. Fine filter plate; 23. Slot; 24. Fine filter; 25. First sealing gasket; 26. Handle; 27. Fixed seat; 31. Condensation pipe; 32. Condensate collection tank; 33. Drip pipe; 34. Collection bin; 35. Second sealing gasket; 41. Air inlet; 42. Air inlet valve; 43. Sealed box cover; 44. Air outlet; 45. Air outlet valve. DETAILED DESCRIPTION

[0026] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0027] Example:

[0028] As attached Figure 1 To Attachment Figure 6 As shown:

[0029] The utility model provides a gas detection pretreatment device which is easy to clean, comprising a workbench 11, a dust removal box 12 is arranged on the top of the workbench 11, a dust removal chamber 13 is provided on the top of the dust removal box 12, for installing a detachable dust removal component, which is convenient for separate cleaning and replacement; a dehumidification tank 14 is also arranged on the top of the workbench 11, and the dehumidification tank 14 is connected to the dust removal box 12 through an air guide pipe 15; a dehumidification chamber 16 is provided on the top of the dehumidification tank 14, a dehumidification component is installed in the dehumidification chamber 16, and is used for dehumidifying the gas, and an openable sealed tank cover 17 is provided on the top of the dehumidification chamber 16.

[0030] Please refer to Figure 1 and Figure 2 As shown, an air inlet 41 is provided on one side of the dust removal box 12 for introducing the sample gas to be tested; an air inlet valve 42 is provided on the air inlet 41, and the air inlet valve 42 is a one-way valve that can prevent the gas from flowing back, and the other side is connected to an air guide pipe 15 to guide the dust-removed gas to the dehumidification tank 14 for further processing; an openable sealed box cover 43 is provided on the top of the dust removal chamber 13.

[0031] Please refer to Figure 2 , Figure 3 and Figure 4 As shown, the dust removal assembly includes a coarse filter plate 21 and a fine filter plate 22, which are respectively responsible for preliminary coarse filtration and fine filtration of the gas; in order to realize the installation and disassembly of the coarse filter plate 21 and the fine filter plate 22, two groups of slots 23 are correspondingly arranged on the top of the sealing box cover 43, and the coarse filter plate 21 and the fine filter plate 22 can be inserted into the dust removal chamber 13 through their respective slots 23; when the pretreatment device needs to be maintained and cleaned, the user directly removes the coarse filter plate 21 and the fine filter plate 22 from the dust removal chamber 13 through the slots 23, and performs separate cleaning and filter screen replacement operations on each filter plate; it solves the problem that the traditional pretreatment device needs to be shut down and disassembled for maintenance, and it can realize the disassembly and cleaning of the filter plate while the device is running, without stopping, thereby improving work efficiency.

[0032] Please refer to Figure 3 and Figure 4 As shown, the dust removal assembly also includes a fine filter 24, which is installed on the fine filter plate 22. It performs fine filtering through small filtering holes. At the same time, in order to ensure the sealing of the coarse filter plate 21 and the fine filter plate 22 when they are installed through the slots 23, first sealing gaskets 25 are provided on the two groups of slots 23 to fill the gaps between the two groups of filter screens and the two groups of slots 23, thereby playing a sealing role and ensuring that there is no air leakage between the components in the dust removal chamber 13 after the filter plate is installed.

[0033] Please refer to Figure 4As shown, handles 26 are provided on the top of the coarse filter plate 21 and the fine filter plate 22. Through the respective handles 26, the user can operate the coarse filter plate 21 and the fine filter plate 22 respectively. When the filter needs to be cleaned or replaced, the user only needs to use the two sets of handles 26 to control the two filter plates respectively, so as to achieve quick disassembly and assembly; at the same time, in order to fix the entire dust removal assembly, fixing seats 27 are provided on both sides of the dust removal box 12, and the two sets of fixing seats 27 are firmly connected to the workbench 11 by screws, thereby ensuring the stability of the dust removal box 12 on the workbench 11.

[0034] Please refer to Figure 2 , Figure 5 and Figure 6 As shown, the dehumidification component includes a condenser 31, and the condenser 31 is arranged in the dehumidification chamber 16. Both ends of the condenser 31 pass through the sealed tank cover 17 to be connected to the external condensation equipment; when the device is running, the gas in the dehumidification chamber 16 can be condensed through the condenser 31. Since the surface temperature of the condenser 31 is relatively low, the moisture in the gas will be converted into liquid and adhere to the surface of the condenser 31 and the inner wall of the dehumidification chamber 16.

[0035] Please refer to Figure 5 and Figure 6 As shown, the dehumidification component also includes a condensate collecting tank 32. A condensate collecting tank 32 is provided on one side of the workbench 11. A drip pipe 33 is provided at the bottom of the dehumidification tank 14. A through hole is correspondingly provided on the top of the condensate collecting tank 32. The drip pipe 33 is passed through the through hole. Under the action of gravity, the condensate can directly enter the condensate collecting tank 32 through the drip pipe 33. A slidable collecting bin 34 is provided in the condensate collecting tank 32, which can not only collect condensate, but also can be used to collect cleaning liquid when cleaning the dehumidification chamber 16, thereby improving the convenience of cleaning. In order to prevent leakage, a second sealing gasket 35 is provided between the collecting bin 34 and the workbench 11.

[0036] Please refer to Figure 2 and Figure 6 As shown, a gas outlet 44 is provided on the top of the sealed tank cover 17, one end of a gas outlet valve 45 is directly connected to the gas outlet 44, and the other end is connected to an external detection device; through the gas outlet valve 45, the processed gas can be guided from the gas outlet 44 to the detection device for analysis and detection.

[0037] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A gas detection pretreatment device that is easy to clean, characterized in that: The invention comprises a workbench (11), wherein a dust removal box (12) is arranged on the top of the workbench (11), a dust removal chamber (13) is provided on the top of the dust removal box (12), a detachable dust removal assembly is provided on the top of the dust removal chamber (13), a dehumidification tank (14) is also arranged on the top of the workbench (11), the dehumidification tank (14) and the dust removal box (12) are connected via an air guide pipe (15), a dehumidification chamber (16) is provided on the top of the dehumidification tank (14), a dehumidification assembly is provided in the dehumidification chamber (16), and a sealed tank cover (17) is provided on the top of the dehumidification chamber (16).

2. A gas detection pretreatment device that is easy to clean as claimed in claim 1, characterized in that: An air inlet (41) is provided on one side of the dust removal box (12), an air inlet valve (42) is provided on the air inlet (41), the other side of the dust removal box (12) is connected to the air guide pipe (15), and a sealed box cover (43) is provided on the top of the dust removal chamber (13).

3. A gas detection pretreatment device that is easy to clean as claimed in claim 2, characterized in that: The dust removal assembly comprises a coarse filter plate (21) and a fine filter plate (22), and two groups of slots (23) are correspondingly arranged on the top of the sealed box cover (43); the coarse filter plate (21) and the fine filter plate (22) respectively pass through the two groups of slots (23) and are detachably arranged in the dust removal chamber (13).

4. A gas detection pretreatment device that is easy to clean as claimed in claim 3, characterized in that: The dust removal assembly also includes a fine filter (24), the fine filter plate (22) is provided with the fine filter (24), and a first sealing gasket (25) is provided between the coarse filter plate (21) and the fine filter plate (22) respectively corresponding to the two groups of slots (23).

5. A gas detection pretreatment device that is easy to clean as claimed in claim 4, characterized in that: The coarse filter plate (21) and the fine filter plate (22) are both provided with handles (26) on the top, and the dust removal box (12) is provided with fixed seats (27) on both sides, and two groups of the fixed seats (27) are fixedly connected to the workbench (11) by screws.

6. A gas detection pretreatment device that is easy to clean as claimed in claim 1, characterized in that: The dehumidification component comprises a condensation pipe (31), the condensation pipe (31) is arranged in the dehumidification chamber (16), and both ends of the condensation pipe (31) pass through the sealing tank cover (17) to be connected to an external condensation device.

7. A gas detection pretreatment device that is easy to clean as claimed in claim 6, characterized in that: The dehumidification component also includes a condensate collection tank (32), the condensate collection tank (32) is provided on one side of the workbench (11), a drip pipe (33) is provided at the bottom of the dehumidification tank (14), a through hole is correspondingly provided at the top of the condensate collection tank (32), and the drip pipe (33) is inserted into the through hole.

8. A gas detection pretreatment device that is easy to clean as claimed in claim 7, characterized in that: A slidable collection bin (34) is also provided in the condensed water collection tank (32), and a second sealing gasket (35) is provided between the collection bin (34) and the workbench (11).

9. A gas detection pretreatment device that is easy to clean as claimed in claim 1, characterized in that: The top of the sealed tank cover (17) is provided with an air outlet (44); one end of an air outlet valve (45) is connected to the air outlet (44), and the other end is connected to the detection equipment.

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