Gas detection equipment

Abstract

The utility model discloses gas detection equipment. The gas detection equipment comprises a conveying pipeline, a gas guide pipe, a portable assembly detection mechanism and a self-plugging mechanism, the portable assembly detection mechanism comprises an assembly detection pipe, a flow guide channel is formed in the assembly detection pipe, a gas purity detection probe is assembled on the side, away from the gas flow guide pipe, of the assembly detection pipe in a threaded mode, and a sealing gasket is assembled between the gas purity detection probe and the assembly detection pipe. The self-plugging mechanism comprises a fixed mesh plate, a linkage rod is slidably inserted into the fixed mesh plate, and the end, close to the gas flow guide pipe, of the linkage rod is fixedly connected with a plugging piston block. According to the gas detection equipment disclosed by the utility model, the portable assembly detection mechanism and the self-plugging mechanism are arranged, so that the assembly process of the gas purity detection probe is simplified, and the situation that leakage occurs at the punching position of the carbon dioxide conveying pipeline is reduced; and the convenience and the reliability of gas concentration detection on the carbon dioxide conveying pipeline are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas detection equipment, and particularly relates to a gas detection equipment. Background Art

[0002] High-concentration carbon dioxide is widely used in high-tech fields such as energy, food, and microelectronics technology. High-concentration carbon dioxide is used in the production and processing of high-value-added chemicals, fuels, starches and other products. Under this application premise, the concentration of carbon dioxide will have a great impact on the processing of high-value-added chemicals, fuels, starches and other products. Therefore, during the application of high-concentration carbon dioxide, it is necessary to monitor the concentration of carbon dioxide gas.

[0003] At present, a gas purity detection probe is usually used to detect the concentration of carbon dioxide gas. In the prior art, when using a gas purity detection head to detect the concentration of carbon dioxide gas, it is necessary to drill holes in the inner wall of the carbon dioxide gas transmission pipeline, and the gas purity detection probe is assembled on the carbon dioxide gas transmission pipeline by means of screw installation, so as to detect the concentration of carbon dioxide gas transported in the pipeline. Although this method can assemble the gas purity detection probe, in the actual application process, it is necessary to drill holes in the carbon dioxide transmission pipeline, which makes the assembly process of the gas purity detection probe not only cumbersome and complex, but also causes the carbon dioxide transported in the carbon dioxide transmission pipeline to leak along the drilled holes, and in severe cases, the pipeline will be deformed and damaged.

[0004] Therefore, in view of the above technical problems, it is necessary to provide a gas detection equipment.

[0005] The information disclosed in this background art section is only for enhancing the understanding of the overall background of the utility model and should not be taken as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a gas detection equipment, which can simplify the assembly process of the gas purity detection probe and improve the reliability of using the gas purity detection probe to detect the concentration of carbon dioxide gas.

[0007] To achieve the above purpose, a specific embodiment of the utility model provides a gas detection equipment, including: a transmission pipeline, a gas diversion pipe, a portable assembly detection mechanism, and a self-sealing mechanism.

[0008] One side of the transmission pipeline is fixedly connected with a gas diversion pipe.

[0009] The portable assembly detection mechanism is fixedly mounted on one side of the gas flow guide tube, and the portable assembly detection mechanism comprises an assembly detection tube, and the assembly detection tube is fixedly mounted on the side of the gas flow guide tube away from the delivery pipeline, a flow guide channel is opened in the assembly detection tube, and a gas purity detection probe is threadedly mounted on the side of the assembly detection tube away from the gas flow guide tube, and a sealing gasket is mounted between the gas purity detection probe and the assembly detection tube.

[0010] The self-sealing mechanism is assembled in the assembly detection tube, and the self-sealing mechanism includes a fixed mesh plate, which is fixedly assembled in the guide channel, and the outer wall of the fixed mesh plate is fixedly connected to the inner wall of the assembly detection tube. A linkage rod is slidably inserted in the fixed mesh plate, and a sealing piston block is fixedly connected to one end of the linkage rod close to the gas guide tube.

[0011] In one or more embodiments of the utility model, the ends of the gas flow guide tube close to the assembly detection tube are fixedly connected with an assembly flange. The assembly detection tube and the gas flow guide tube are assembled and fixed by assembling and fixing a pair of assembly flanges. The corresponding sides of the pair of assembly flanges are integrally formed with a limiting boss. The limiting boss plays the role of assembly limiting the gas sealing ring.

[0012] In one or more embodiments of the utility model, a gas sealing ring is arranged between the pair of assembly flanges, and the gas sealing ring is sleeved on the outer side of the limiting boss. The gas sealing ring plays an auxiliary sealing and limiting role for the pair of assembly flanges, thereby ensuring the sealing of the connection between the assembly detection tube and the gas guide tube. Multiple assembly fixing holes are drilled on the gas sealing ring and the pair of assembly flanges, and assembly bolts are installed in the multiple assembly fixing holes. The pair of assembly flanges are assembled and fixed through the multiple assembly fixing holes.

[0013] In one or more embodiments of the present utility model, the flow guide channel is composed of a first flow channel, a flared flow channel and a second flow channel. The first flow channel is arranged at one end of the assembly detection tube close to the gas flow guide tube, the second flow channel is arranged on the side of the first flow channel away from the gas flow guide tube, and the flared flow channel is arranged between the first flow channel and the second flow channel.

[0014] In one or more embodiments of the utility model, the first flow channel is connected to the gas flow conduit. Gas is guided out of the gas flow conduit through the first flow channel. The diameter of the first flow channel is larger than the diameter of the second flow channel. By setting the diameter of the second flow channel larger than the diameter of the first flow channel, it is convenient to control the conduction state of the assembled detection tube through the self-sealing mechanism. The first flow channel is connected to the second flow channel through the flared flow channel, and the blocking piston block matches the flared flow channel. The blocking piston block blocks and limits the second flow channel through the mutual cooperation between the blocking piston block and the flared flow channel.

[0015] In one or more embodiments of the present utility model, internal threads are provided on the inner wall of the second flow channel, and external threads that are matched with the internal threads are provided at one end of the gas purity detection probe located inside the diversion channel. The gas purity detection probe is assembled inside the assembly detection tube through the mutual cooperation of the internal and external threads.

[0016] In one or more embodiments of the present utility model, an assembly boss is integrally formed at one end of the assembly detection tube away from the gas diversion tube, and the sealing gasket is sleeved outside the assembly boss. The assembly boss plays a role in assembling and limiting the sealing gasket. The height of the sealing gasket is greater than the height of the assembly boss. By setting the height of the sealing gasket to be greater than the height of the assembly boss, it is convenient to squeeze and limit the sealing gasket through the mutual cooperation of the gas purity detection probe and the assembly boss, so as to facilitate ensuring the assembly sealing performance between the assembly detection tube and the gas purity detection probe.

[0017] In one or more embodiments of the present utility model, the sealing gasket is composed of two parts, a ring body and a clamping member, and the clamping member is integrally formed at the bottom of the ring body. The sealing gasket is assembled and limited by clamping and limiting the clamping member. An assembly clamping groove is formed at one end of the assembly detection tube away from the gas diversion tube, and the assembly clamping groove is arranged in cooperation with the clamping member. The clamping member is clamped and limited through the assembly clamping groove, ensuring the stability of the sealing gasket when it is sleeved.

[0018] In one or more embodiments of the present utility model, a movable mesh plate is fixedly connected to one end of the linkage rod away from the plugging piston block, and the movable mesh plate is slidably assembled inside the diversion channel. The linkage rod can drive the plugging piston block to move synchronously along with the movement of the movable mesh plate by the way that the movable mesh plate moves along with the movement of the gas purity detection probe, and the plugging state of the second flow channel is released by controlling the movement of the plugging piston block. A plurality of uniformly distributed detection ventilation holes are formed in the fixed mesh plate and the movable mesh plate. By forming the detection ventilation holes in the fixed mesh plate and the movable mesh plate, it is convenient to divert the carbon dioxide gas led out from the first flow channel.

[0019] In one or more embodiments of the present utility model, a limiting spring is sleeved outside the linkage rod, and the limiting spring is arranged between the movable mesh plate and the fixed mesh plate. The limiting spring plays a role in supporting and limiting the movable mesh plate through contraction and reset.

[0020] Compared with the prior art, a gas detection device disclosed by the utility model simplifies the process of assembling a gas purity detection probe by setting up a portable assembly detection mechanism and a self-sealing mechanism, reduces the leakage at the drilling position of the carbon dioxide delivery pipeline, and ensures the convenience and reliability of gas concentration detection for the carbon dioxide delivery pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 Structural schematic diagram of a gas detection device in an embodiment of the present utility model;

[0023] Figure 2 Another angle structural schematic diagram of a gas detection device in an embodiment of the present utility model;

[0024] Figure 3 For Figure 2 Structural schematic diagram at position A in

[0025] Figure 4 Partial structural sectional view of a gas detection device in an embodiment of the present utility model;

[0026] Figure 5 For Figure 4 Structural schematic diagram at position B in

[0027] Figure 6 Detection state schematic diagram of a gas detection device in an embodiment of the present utility model;

[0028] Figure 7 Sealing state schematic diagram of a gas detection device in an embodiment of the present utility model.

[0029] Main reference numeral description:

[0030] 1 - Delivery pipeline, 101 - Gas diversion pipe, 2 - Portable assembly detection mechanism, 201 - Assembly detection pipe, 202 - Gas purity detection probe, 203 - Sealing gasket, 2031 - Ring body, 2032 - Engaging part, 204 - Assembly flange, 205 - Limiting boss, 206 - Gas sealing ring, 207 - Assembly bolt, 208 - Assembly boss, 3 - Self-sealing mechanism, 301 - Fixed mesh plate, 302 - Linking rod, 303 - Sealing piston block, 304 - Movable mesh plate, 305 - Limiting spring. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0032] like Figures 1 to 7 As shown, a gas detection device in an embodiment of the utility model includes: a delivery pipeline 1, a gas flow guide tube 101, a convenient assembly detection mechanism 2, and a self-sealing mechanism 3.

[0033] like Figure 1 As shown, a gas guide pipe 101 is fixedly connected to one side of the delivery pipeline 1. The gas guide pipe 101 guides the carbon dioxide gas delivered by the delivery pipeline 1.

[0034] like Figures 1 to 3 As shown, the portable assembly detection mechanism 2 is fixedly assembled on one side of the gas flow guide tube 101. The portable assembly detection mechanism 2 includes an assembly detection tube 201. The assembly detection tube 201 is fixedly assembled on the side of the gas flow guide tube 101 away from the delivery pipeline 1. The gas purity detection probe 202 is assembled and connected to the gas through the assembly detection tube 201.

[0035] like Figures 1 to 3 As shown, the ends of the gas flow guide tube 101 and the assembly detection tube 201 close to each other are fixedly connected with an assembly flange 204. The assembly detection tube 201 and the gas flow guide tube 101 are assembled and fixed by assembling and fixing a pair of assembly flanges 204.

[0036] like Figures 1 to 3 As shown, the corresponding sides of a pair of assembly flanges 204 are integrally formed with limiting bosses 205. The limiting bosses 205 play a role in assembling and limiting the gas sealing ring 206.

[0037] like Figures 1 to 3 As shown, a gas sealing ring 206 is arranged between a pair of assembly flanges 204, and the gas sealing ring 206 is sleeved on the outer side of the limiting boss 205. The gas sealing ring 206 plays an auxiliary sealing and limiting role for the pair of assembly flanges 204, thereby ensuring the sealing of the connection between the assembly detection tube 201 and the gas guide tube 101.

[0038] like Figures 1 to 3As shown, multiple assembly fixing holes are drilled in both the gas sealing ring 206 and a pair of assembly flanges 204, and assembly bolts 207 are assembled in the multiple assembly fixing holes. The pair of assembly flanges 204 are assembled and fixed through the multiple assembly fixing holes.

[0039] As Figures 4 to 5 shown, a diversion channel is provided in the assembly detection tube 201. The carbon dioxide gas discharged from the gas diversion tube 101 is assisted in diversion through the diversion channel. At the same time, the gas concentration detection state of the gas purity detection probe 202 can be synchronously controlled by controlling the conduction state of the diversion channel.

[0040] Specifically, the diversion channel is composed of a first flow channel, a flared flow channel, and a second flow channel. The first flow channel is arranged at one end of the assembly detection tube 201 close to the gas diversion tube 101, the second flow channel is arranged on the side of the first flow channel away from the gas diversion tube 101, and the flared flow channel is arranged between the first flow channel and the second flow channel.

[0041] Among them, the first flow channel is in communication with the gas diversion tube 101. The gas diversion tube 101 is used to discharge gas through the first flow channel.

[0042] It should be noted that the diameter of the first flow channel is larger than that of the second flow channel. By setting the diameter of the second flow channel to be larger than that of the first flow channel, it is convenient to control the conduction state of the assembly detection tube 201 through the self-sealing mechanism 3.

[0043] As Figures 4 to 5 shown, the first flow channel is in communication with the second flow channel through the flared flow channel, and the plugging piston block 303 is matched with the flared flow channel. The plugging piston block 303 is used to block and limit the second flow channel through the mutual cooperation between the plugging piston block 303 and the flared flow channel.

[0044] As Figures 1 to 4 shown, a gas purity detection probe 202 is threadedly assembled on the side of the assembly detection tube 201 away from the gas diversion tube 101. The gas purity detection probe 202 is used to detect the concentration of carbon dioxide gas in the assembly detection tube 201.

[0045] Specifically, internal threads are provided on the inner wall of the second flow channel, and external threads that are matched with the internal threads are provided at one end of the gas purity detection probe 202 located in the diversion channel. The gas purity detection probe 202 is assembled in the assembly detection tube 201 through the mutual cooperation of the internal and external threads.

[0046] As Figures 1 to 3 shown, an assembly boss 208 is integrally formed at one end of the assembly detection tube 201 away from the gas diversion tube 101, and a sealing gasket 203 is sleeved on the outside of the assembly boss 208. The assembly boss 208 plays a role in assembling and limiting the sealing gasket 203.

[0047] Preferably, the height of the sealing gasket 203 is greater than the height of the assembly boss 208. By setting the height of the sealing gasket 203 to be greater than the height of the assembly boss 208, it is convenient to squeeze and limit the sealing gasket 203 through the mutual cooperation between the gas purity detection probe 202 and the assembly boss 208, thereby facilitating the guarantee of the assembly sealing performance between the assembly detection tube 201 and the gas purity detection probe 202.

[0048] As Figures 4 to 5 shown, a sealing gasket 203 is assembled between the gas purity detection probe 202 and the assembly detection tube 201. The sealing gasket 203 plays an auxiliary sealing role for the gas purity detection probe 202 and the assembly detection tube 201, reducing the occurrence of gas leakage in the gas purity detection probe 202 during the detection process.

[0049] As Figures 4 to 5 shown, the sealing gasket 203 is composed of two parts: a ring body 2031 and a clamping member 2032. The clamping member 2032 is integrally formed at the bottom of the ring body 2031. The sealing gasket 203 is assembled and limited by clamping and limiting the clamping member 2032.

[0050] Specifically, an assembly clamping groove is drilled at one end of the assembly detection tube 201 away from the gas diversion tube 101, and the assembly clamping groove is arranged in cooperation with the clamping member 2032. The clamping member 2032 is clamped and limited by the assembly clamping groove, ensuring the stable sleeving of the sealing gasket 203.

[0051] As Figures 4 to 5 shown, the self-sealing mechanism 3 is assembled in the assembly detection tube 201. The self-sealing mechanism 3 includes a fixed mesh plate 301, which is fixedly assembled in the diversion channel, and the outer wall of the fixed mesh plate 301 is fixedly connected to the inner wall of the assembly detection tube 201. The fixed mesh plate 301 plays a role in assembling and moving the limit for the movable mesh plate 304 and the limit spring 305, ensuring the sliding stability of the movable mesh plate 304.

[0052] As Figures 4 to 5 shown, a linkage rod 302 is slidably inserted into the fixed mesh plate 301. The linkage rod 302 plays a role in assembling and fixing and moving control for the plugging piston block 303.

[0053] As Figures 4 to 5 shown, a plugging piston block 303 is fixedly connected to one end of the linkage rod 302 close to the gas diversion tube 101. By controlling the movement of the plugging piston block 303, the flared flow channel is plugged and limited, thereby facilitating the control of the conduction state of the second flow channel.

[0054] As Figures 4 to 5As shown in the figure, a moving mesh plate 304 is fixedly connected to one end of the linkage rod 302 away from the plugging piston block 303. The moving mesh plate 304 is slidably assembled in the diversion channel. By means of the movement of the moving mesh plate 304 following the movement of the gas purity detection probe 202, the linkage rod 302 can drive the plugging piston block 303 to move synchronously along with the movement of the moving mesh plate 304. By controlling the movement of the plugging piston block 303, the plugging state of the second flow channel is released.

[0055] Among them, a plurality of uniformly distributed detection ventilation holes are drilled on the fixed mesh plate 301 and the moving mesh plate 304. By drilling the detection ventilation holes on the fixed mesh plate 301 and the moving mesh plate 304, it is convenient to divert the carbon dioxide gas led out from the first flow channel.

[0056] As Figures 4 to 5 shown in the figure, a limiting spring 305 is sleeved on the outer side of the linkage rod 302. The limiting spring 305 is arranged between the moving mesh plate 304 and the fixed mesh plate 301. The contraction and reset of the limiting spring 305 play a role in supporting and limiting the moving mesh plate 304.

[0057] During specific use, the assembly detection tube 201 is assembled on one side of the gas diversion tube 101 by using a plurality of sets of assembly bolts 207 to assemble a pair of assembly flanges 204. Moreover, the pair of assembly flanges 204 are sealed, limited and protected by the gas sealing ring 206. When the gas purity detection probe 202 is not assembled, the second flow channel can be plugged and limited by the mutual cooperation of the plugging piston block 303 and the inner flared flow channel in the assembly detection tube 201, thereby reducing the gas leakage of the gas diversion tube 101 during non-detection.

[0058] As Figure 7 shown in the figure, the assembly detection tube 201 is assisted in plugging and limiting by threading a plug on the top of the assembly detection tube 201.

[0059] When it is necessary to detect the gas concentration of the delivery pipeline 1, the gas purity detection probe 202 is assembled in the second flow channel in the assembly detection tube 201 by threaded assembly. During the threaded assembly process of the gas purity detection probe 202, the movable mesh plate 304 moves accordingly with the movement of the assembly depth of the gas purity detection probe 202 in the second flow channel. The movement of the movable mesh plate 304 pushes the linkage rod 302 and the blocking piston block 303 to move, and compresses the limit spring 305. When the blocking piston block 303 is controlled to move, the blocking piston block 303 is separated from the flared flow channel, thereby releasing the blocking state of the blocking piston block 303 and the flared flow channel, so that the carbon dioxide gas in the delivery pipeline 1 can be transported to the gas purity detection probe 202 along the gas guide tube 101 and the assembly detection tube 201, so that the carbon dioxide gas concentration is detected by the gas purity detection probe 202.

[0060] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A gas detection device, characterized in that: include: A delivery pipeline, one side of which is fixedly connected with a gas guide pipe; A portable assembly detection mechanism is fixedly mounted on one side of the gas flow guide tube, the portable assembly detection mechanism comprises an assembly detection tube, the assembly detection tube is fixedly mounted on the side of the gas flow guide tube away from the delivery pipeline, a flow guide channel is opened in the assembly detection tube, a gas purity detection probe is threadedly mounted on the side of the assembly detection tube away from the gas flow guide tube, and a sealing gasket is mounted between the gas purity detection probe and the assembly detection tube; A self-sealing mechanism is assembled in the assembly detection tube, and the self-sealing mechanism includes a fixed mesh plate, which is fixedly assembled in the guide channel, and the outer wall of the fixed mesh plate is fixedly connected to the inner wall of the assembly detection tube. A linkage rod is slidably inserted in the fixed mesh plate, and a sealing piston block is fixedly connected to one end of the linkage rod close to the gas guide tube.

2. A gas detection device according to claim 1, characterized in that: The ends of the gas flow guide tube close to the assembly detection tube are fixedly connected with assembly flanges, and the corresponding sides of a pair of assembly flanges are integrally formed with limiting bosses.

3. A gas detection device according to claim 2, characterized in that: A gas sealing ring is arranged between the pair of assembly flanges, and the gas sealing ring is sleeved on the outer side of the limiting boss. A plurality of assembly fixing holes are drilled on the gas sealing ring and the pair of assembly flanges, and assembly bolts are installed in the plurality of assembly fixing holes.

4. A gas detection device according to claim 1, characterized in that: The flow guide channel consists of a first flow channel, a flared flow channel and a second flow channel. The first flow channel is arranged at one end of the assembly detection tube close to the gas flow guide tube, the second flow channel is arranged on a side of the first flow channel away from the gas flow guide tube, and the flared flow channel is arranged between the first flow channel and the second flow channel.

5. A gas detection device according to claim 4, characterized in that: The first flow channel is communicated with the gas flow conduit, the diameter of the first flow channel is greater than the diameter of the second flow channel, the first flow channel is communicated with the second flow channel through the flared flow channel, and the blocking piston block matches the flared flow channel.

6. A gas detection device according to claim 5, characterized in that: An inner wall of the second flow channel is provided with an internal thread, and one end of the gas purity detection probe located in the flow guide channel is provided with an external thread matching the internal thread.

7. A gas detection device according to claim 1, characterized in that: An assembly boss is integrally formed at one end of the assembly detection tube away from the gas guide tube, the sealing gasket is sleeved on the outside of the assembly boss, and the height of the sealing gasket is greater than the height of the assembly boss.

8. A gas detection device according to claim 1, characterized in that: The sealing gasket consists of a ring body and a clamping piece. The clamping piece is integrally formed at the bottom of the ring body. An assembly slot is drilled at one end of the assembly detection tube away from the gas guide tube. The assembly slot is arranged in cooperation with the clamping piece.

9. A gas detection device according to claim 1, characterized in that: One end of the linkage rod away from the blocking piston block is fixedly connected to a movable mesh plate, the movable mesh plate is slidably assembled in the diversion channel, and a plurality of evenly distributed detection vents are drilled on the fixed mesh plate and the movable mesh plate.

10. A gas detection device according to claim 9, characterized in that: A limit spring is sleeved on the outer side of the linkage rod, and the limit spring is arranged between the movable mesh plate and the fixed mesh plate.

Images