Hydrogen peroxide detection sampling device

Abstract

The application relates to the technical field of samplers, and discloses a hydrogen peroxide detection sampling device, which comprises a flow casing, a connecting flange is fixedly installed on the flow casing, a filter assembly is arranged on the flow casing, the filter assembly comprises a circular filter plate, and the circular filter plate is fixedly installed in the connecting flange. The hydrogen peroxide detection sampling device is used for adapting the high-precision detection sampling requirement of each process of hydrogen peroxide preparation. The filter assembly is arranged, the assembly cooperates with the circular filter plate in the connecting flange to perform primary rough filtration, and large-particle impurities in a pipeline are intercepted; the small filter plate on the sleeve performs secondary fine filtration through symmetrically-distributed openings, and further removes fine impurities; double filtration ensures that the sampled hydrogen peroxide is not disturbed by impurities; the sleeve is threadedly connected with a threaded ring; a bottom annular groove is tightly combined with a sealing ring, so that unfiltered hydrogen peroxide cannot seep into a gap.

Description

Technical Field

[0001] This invention relates to the field of sampler technology, specifically to a hydrogen peroxide detection and sampling device. Background Technology

[0002] In the hydrogen peroxide preparation process, sampling and testing are required after each step, and adjustments are made to the next step accordingly to produce a product that meets the requirements. This necessitates the use of appropriate sampling devices.

[0003] In the existing technology, most hydrogen peroxide detection and sampling devices are connected to a pipeline and a valve is installed on the pipeline. After opening the valve, hydrogen peroxide is sampled. However, during sampling, some impurities often remain inside the pipeline. These impurities will mix into the sampled hydrogen peroxide, which can easily affect the accuracy of subsequent hydrogen peroxide detection and is not conducive to use.

[0004] However, the above-mentioned equipment has certain shortcomings in use. In the existing technology, when sampling, certain impurities often remain inside the pipeline. These impurities will mix into the sampled hydrogen peroxide, which can easily affect the accuracy of subsequent hydrogen peroxide detection. In view of this, we propose a hydrogen peroxide detection sampling device. Summary of the Invention

[0005] The purpose of this invention is to provide a hydrogen peroxide detection and sampling device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A hydrogen peroxide detection and sampling device includes a flow housing, a connecting flange fixedly mounted on the flow housing, and a filter assembly disposed on the flow housing, the filter assembly comprising: A circular filter plate is fixedly installed inside the connecting flange, and a threaded ring is fixedly installed above the flow housing, with a sleeve provided on the threaded ring; A threaded wire is fixedly installed on the sleeve, and an opening is provided on the sleeve. A small filter plate is fixedly installed inside the opening on the sleeve. An annular groove is formed at the bottom of the sleeve, and a sealing ring is fixedly installed inside the flow housing.

[0007] In a further embodiment, the sleeve is threadedly connected to the threaded ring via a threaded line, the sealing ring is adapted to the annular groove and is inserted into the inner cavity of the annular groove, and both the circular filter plate and the small filter plate are made of corrosion-resistant filter material, and the filter pore diameter of the small filter plate is smaller than that of the circular filter plate.

[0008] In a further embodiment, the openings are symmetrically distributed on the outer circumference of the sleeve, and each group of openings is evenly arranged along the length of the sleeve. The pitch of the threaded wire matches the pitch of the threaded ring to ensure that the sleeve is stable and secure after installation.

[0009] In a further embodiment, the connecting flange and the flow shell are integrally formed, and the connecting flange has evenly distributed mounting holes. The outer diameter of the circular filter plate is adapted to the inner diameter of the connecting flange, and the circular filter plate is fixedly connected to the connecting flange by welding.

[0010] In a further embodiment, a liquid extraction assembly is provided on the flow housing. The liquid extraction assembly includes a threaded cylinder, which is fixedly installed at the bottom of the flow housing. A liquid storage cylinder is threaded onto the threaded cylinder. A connecting groove is provided on the flow housing and the liquid storage cylinder. A one-way valve is fixedly installed inside the connecting groove on the flow housing. A valve disc is slidably installed inside the liquid storage cylinder. Two sets of mounting plates are fixedly installed on the liquid storage cylinder. A connecting rod is fixedly installed on the mounting plates. A circular plate is provided at the bottom of the liquid storage cylinder. A threaded rod is rotatably installed on the other set of mounting plates. One end of a limit rod is fixedly installed on the circular plate. The other end of the limit rod is fixedly installed on the valve disc. A positioning block is fixedly installed on the circular plate. A threaded seat is fixedly installed on the positioning block.

[0011] In a further embodiment, the threaded seat is threadedly connected to the threaded rod, the limiting rod passes through the threaded seat and is slidably connected to the threaded seat, and the mounting plate, the flow shell, and the liquid storage cylinder are all welded and fixed to ensure the structural connection strength.

[0012] In a further embodiment, a scale line is provided at one end of the outer circumferential surface of the liquid storage cylinder, the connecting groove is connected to the inner cavity of the flow shell and the inner cavity of the liquid storage cylinder respectively, the outer diameter of the valve disc is adapted to the inner diameter of the liquid storage cylinder, and a sealing gasket is provided on the outer circumferential surface of the valve disc.

[0013] In a further embodiment, an auxiliary component is provided on the flow housing, the auxiliary component including a motor, the motor is fixedly mounted on the sleeve, a round rod is fixedly mounted on the output end of the motor, a fan blade is fixedly mounted on the round rod, a handle is fixedly mounted on the sleeve, a limit plate is fixedly mounted at the bottom of the connecting rod and the threaded rod, and a filter cartridge is fixedly mounted inside the flow housing.

[0014] In a further embodiment, the fan blades are provided in multiple sets, and the multiple sets of fan blades and round rods are disposed inside the sleeve, with the multiple sets of fan blades corresponding to the positions of multiple sets of openings and small filter plates.

[0015] In a further embodiment, the sleeve is disposed inside the filter cartridge, and the motor is disposed inside the handle sleeve.

[0016] Compared with the prior art, the present invention provides a hydrogen peroxide detection and sampling device, which has the following beneficial effects: 1. This hydrogen peroxide testing and sampling device is designed to meet the high-precision testing and sampling requirements of each step in the hydrogen peroxide preparation process. It incorporates a filter assembly that works with a circular filter plate inside the connecting flange for primary coarse filtration, intercepting large particles of impurities in the pipeline. A smaller filter plate on the sleeve performs secondary fine filtration through symmetrically distributed openings, further removing fine impurities. This dual filtration ensures that the sampled hydrogen peroxide is free from impurities. The sleeve is threaded to a threaded ring, and the bottom annular groove fits tightly with the sealing ring to prevent unfiltered hydrogen peroxide from seeping in through gaps.

[0017] 2. This hydrogen peroxide detection and sampling device, in order to adapt to standardized detection and sampling scenarios in industrial production, is equipped with a liquid extraction component. This component, in conjunction with the rotating threaded rod, drives the threaded seat to slide along the limiting rod. The positioning block abuts against the circular plate to limit the downward movement range of the valve disc. Combined with the scale lines on the liquid storage cylinder, quantitative sampling is achieved to meet the sampling volume requirements of different detection scenarios. The sealing gasket on the outer circumference of the valve disc enhances the sealing performance of the liquid storage cylinder. The one-way valve controls the unidirectional flow of hydrogen peroxide to avoid contaminating the hydrogen peroxide in the original pipeline after sampling. The mounting plate is fixed by welding to ensure the structural connection strength and ensure that the components do not loosen during the liquid extraction process.

[0018] 3. To adapt to the high-frequency, high-efficiency hydrogen peroxide detection and sampling requirements, this hydrogen peroxide detection and sampling device incorporates an auxiliary component. This component, in conjunction with a motor-driven rod, rotates multiple sets of fan blades to accelerate the flow of hydrogen peroxide inside the sleeve, preventing impurities from accumulating on the surface of the small filter plate and ensuring continuous filtration. The handle facilitates the installation and removal of the sleeve, while the limiting plate restricts the movement of the connecting rod and threaded rod, preventing damage to the components due to excessive operation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective; Figure 3 This is a cross-sectional view of part of the structure of the present invention; Figure 4 This is a cross-sectional schematic diagram of the flow shell structure of the present invention; Figure 5 This is a cross-sectional schematic diagram of the flow shell structure of the present invention from another perspective; Figure 6 For the present invention Figure 5 Enlarged structural diagram of region A in the middle; Figure 7 For the present invention Figure 5 A magnified structural diagram of region B in the middle.

[0020] Explanation of icon numbers: 1. Flowing shell; 2. Connecting flange; 3. Filter assembly; 31. Circular filter plate; 32. Threaded ring; 33. Sleeve; 34. Threaded line; 35. Opening; 36. Small filter plate; 37. Annular groove; 38. Sealing ring; 4. Liquid extraction assembly; 41. Threaded cylinder; 42. Connecting groove; 43. Check valve; 44. Valve disc; 45. Mounting plate; 46. Connecting rod; 47. Circular plate; 48. Threaded rod; 49. Limiting rod; 410. Threaded seat; 411. Positioning block; 412. Liquid storage cylinder; 5. Auxiliary components; 51. Motor; 52. Round rod; 53. Fan blade; 54. Handle; 55. Limiting plate; 56. Filter cartridge. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] In this application, the term "above" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is primarily used to better describe this application and its embodiments, and is not intended to limit the indicated device, element, or component to having a specific orientation, or to construct and operate in a specific orientation. Furthermore, the term "above" may also be used in certain circumstances to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0023] Please see Figures 1-7 The present invention provides a technical solution: A hydrogen peroxide detection and sampling device includes a flow housing 1, on which a connecting flange 2 is fixedly installed.

[0024] In one embodiment of the present invention, a filter assembly 3 is provided on the flow housing 1. The filter assembly 3 includes a circular filter plate 31, which is fixedly installed inside the connecting flange 2. A threaded ring 32 is fixedly installed on the top of the flow housing 1. A sleeve 33 is provided on the threaded ring 32. A threaded wire 34 is fixedly installed on the sleeve 33. An opening 35 is provided on the sleeve 33. A small filter plate 36 is fixedly installed inside the opening 35 on the sleeve 33. An annular groove 37 is formed at the bottom of the sleeve 33. A sealing ring 38 is fixedly installed inside the flow housing 1. The sleeve 33 is threadedly connected to the threaded ring 32 through the threaded wire 34. The sealing ring 38 is adapted to the annular groove 37. Inserted into the inner cavity of the annular groove 37, both the circular filter plate 31 and the small filter plate 36 are made of corrosion-resistant filter material, and the filter pore diameter of the small filter plate 36 is smaller than that of the circular filter plate 31. The openings 35 are symmetrically distributed on the outer circumference of the sleeve 33, and each group of openings 35 is evenly arranged along the length of the sleeve 33. The pitch of the thread 34 matches the pitch of the thread ring 32 to ensure that the sleeve 33 is stable and not loose after installation. The connecting flange 2 and the flow shell 1 are integrally formed. The connecting flange 2 has evenly distributed mounting holes. The outer diameter of the circular filter plate 31 is adapted to the inner diameter of the connecting flange 2, and the circular filter plate 31 is fixedly connected to the connecting flange 2 by welding.

[0025] In this embodiment, before sampling, the sleeve 33 is rotated by the handle 54. Utilizing the threaded engagement of the threaded wire 34 and the threaded ring 32, the sleeve 33 is installed above the flow housing 1 until the annular groove 37 at the bottom of the sleeve 33 is tightly fitted with the sealing ring 38 inside the flow housing 1. This prevents unfiltered hydrogen peroxide from seeping in through gaps. After opening the delivery pipeline valve, the hydrogen peroxide first flows through the circular filter plate 31 inside the connecting flange 2 for primary coarse filtration, intercepting large particles of impurities in the pipeline. Subsequently, the hydrogen peroxide enters the filter cylinder 56 and the sleeve 33, passing through the symmetrically distributed and evenly arranged openings 35 along the length of the sleeve 33, and then through the small filter plate 36 for secondary fine filtration, further removing fine impurities. Both the circular filter plate 31 and the small filter plate 36 are made of corrosion-resistant materials, and the small filter plate 36 has a smaller pore size. This dual filtration ensures that the sampled hydrogen peroxide is free from impurities, guaranteeing the accuracy of subsequent testing. The connecting flange 2 and the flow housing 1 are integrally formed, and the circular filter plate 31 is fixed by welding, ensuring structural stability and filtration reliability.

[0026] In one embodiment of the present invention, a liquid extraction assembly 4 is provided on the flow housing 1. The liquid extraction assembly 4 includes a threaded cylinder 41, which is fixedly installed at the bottom of the flow housing 1. A liquid storage cylinder 412 is threadedly installed on the threaded cylinder 41. A connecting groove 42 is provided on the flow housing 1 and the liquid storage cylinder 412. A one-way valve 43 is fixedly installed inside the connecting groove 42 on the flow housing 1. A valve disc 44 is slidably installed inside the liquid storage cylinder 412. Two sets of mounting plates 45 are fixedly installed on the liquid storage cylinder 412. A connecting rod 46 is fixedly installed on the mounting plates 45. A circular plate 47 is provided at the bottom of the liquid storage cylinder 412. A threaded rod 48 is rotatably installed on the other set of mounting plates 45. A limit rod 4 is fixedly installed on the circular plate 47. One end of the limiting rod 49 is fixedly installed on the valve disc 44. A positioning block 411 is fixedly installed on the circular plate 47, and a threaded seat 410 is fixedly installed on the positioning block 411. The threaded seat 410 is threadedly connected to the threaded rod 48. The limiting rod 49 passes through the threaded seat 410 and is slidably connected to the threaded seat 410. The mounting plate 45 is welded to the flow housing 1 and the liquid storage cylinder 412 to ensure the structural connection strength. A scale line is provided on one end of the outer circumference of the liquid storage cylinder 412. The connecting groove 42 is connected to the inner cavity of the flow housing 1 and the inner cavity of the liquid storage cylinder 412 respectively. The outer diameter of the valve disc 44 is adapted to the inner diameter of the liquid storage cylinder 412, and a sealing gasket is provided on the outer circumference of the valve disc 44. In this embodiment, according to the required sampling amount, referring to the scale lines on the outer circumference of the liquid storage cylinder 412, the threaded rod 48 is rotated. The threaded seat 410 slides along the limiting rod 49 under the threaded engagement, driving the positioning block 411 to adjust the distance between itself and the circular plate 47, thereby limiting the downward movement range of the valve disc 44 and realizing quantitative preset. The circular plate 47 is pulled vertically downward, and the valve disc 44 slides inside the liquid storage cylinder 412 through the limiting rod 49, causing a negative pressure to be generated in the inner cavity of the liquid storage cylinder 412. At this time, the fluid in the connecting groove 42 on the flow housing 1... When the one-way valve 43 is opened, the hydrogen peroxide that has undergone double filtration flows into the storage cylinder 412 through the connecting groove 42 until the circular plate 47 contacts the positioning block 411, completing the quantitative sampling. The sealing gasket on the outer circumference of the valve disc 44 enhances the sealing performance of the storage cylinder 412. The one-way valve 43 controls the one-way flow of hydrogen peroxide to prevent the liquid in the storage cylinder 412 from flowing back and contaminating the original pipeline hydrogen peroxide after sampling. The storage cylinder 412 is threadedly connected to the flow shell 1 through the threaded cylinder 41 and fixed by welding the mounting plate 45 to ensure that the structure does not loosen during the liquid extraction process.

[0027] In one embodiment of the present invention, an auxiliary component 5 is provided on the flow housing 1. The auxiliary component 5 includes a motor 51. The motor 51 is fixedly mounted on the sleeve 33. A round rod 52 is fixedly mounted on the output end of the motor 51. A fan blade 53 is fixedly mounted on the round rod 52. A handle 54 is fixedly mounted on the sleeve 33. A limit plate 55 is fixedly mounted at the bottom of the connecting rod 46 and the threaded rod 48. A filter cartridge 56 is fixedly mounted inside the flow housing 1. Multiple sets of fan blades 53 are provided. Multiple sets of fan blades 53 and round rods 52 are disposed inside the sleeve 33. The multiple sets of fan blades 53 correspond to the positions of multiple sets of openings 35 and small filter plates 36. The sleeve 33 is disposed inside the filter cartridge 56. The motor 51 is disposed inside the handle 54. In this embodiment, during sampling, the motor 51 inside the handle 54 is activated, driving the round rod 52 to rotate multiple sets of fan blades 53, accelerating the flow of hydrogen peroxide inside the sleeve 33. This improves filtration efficiency and prevents impurities from accumulating on the surface of the small filter plate 36, ensuring continuous filtration. The handle 54 provides a convenient gripping point for the installation and removal of the sleeve 33, facilitating quick replacement or cleaning of the filter components. The limiting plate 55 at the bottom of the connecting rod 46 and the threaded rod 48 restricts the movement stroke of the round plate 47, preventing excessive operation from causing the valve disc 44 to detach or the components to be damaged, thus extending the service life of the device.

[0028] The signal interaction of each component adopts the PLC control protocol commonly used in industrial equipment, which is common knowledge to those skilled in the art and can be implemented without further detailed description. The control logic and signal interaction method are existing technologies and will not be described in detail. The standard parts used in this application can all be purchased from the market. The specific connection methods of each part are all connected by conventional methods such as riveting and welding that are mature in the existing technology. The standard parts are all of conventional models in the existing technology, and the circuit connection adopts conventional connection methods in the existing technology.

[0029] It should be noted that the above electrical components are all existing technology products. Those skilled in the art should select, install, and complete the circuit debugging work according to the needs of use to ensure that each electrical appliance can work normally. The components are all general standard parts or components known to those skilled in the art. Their structure and principle can be known by those skilled in the art through technical manuals or conventional experimental methods. No specific restrictions are made here. The supporting structures of the hydraulic drive structure appearing in this application document, such as hydraulic tanks and hydraulic pumps, are existing equipment and will not be described in detail here.

[0030] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A hydrogen peroxide detection and sampling device, comprising a flow housing (1), wherein a connecting flange (2) is fixedly installed on the flow housing (1), characterized in that: The flow housing (1) is provided with a filter assembly (3), the filter assembly (3) comprising: A circular filter plate (31) is fixedly installed inside the connecting flange (2), and a threaded ring (32) is fixedly installed above the flow housing (1). A sleeve (33) is provided on the threaded ring (32). A threaded wire (34) is fixedly installed on the sleeve (33). An opening (35) is provided on the sleeve (33), and a small filter plate (36) is fixedly installed inside the opening (35) on the sleeve (33). An annular groove (37) is formed at the bottom of the sleeve (33), and a sealing ring (38) is fixedly installed inside the flow housing (1).

2. The hydrogen peroxide detection and sampling device according to claim 1, characterized in that: The sleeve (33) is threadedly connected to the threaded ring (32) via a threaded wire (34). The sealing ring (38) is adapted to the annular groove (37) and is inserted into the inner cavity of the annular groove (37). The circular filter plate (31) and the small filter plate (36) are both made of corrosion-resistant filter material, and the filter pore diameter of the small filter plate (36) is smaller than that of the circular filter plate (31).

3. The hydrogen peroxide detection and sampling device according to claim 1, characterized in that: The openings (35) are symmetrically distributed on the outer circumferential surface of the sleeve (33), and each set of openings (35) is evenly arranged along the length direction of the sleeve (33). The pitch of the thread (34) matches the pitch of the threaded ring (32) to ensure that the sleeve (33) is stable and not loose after installation.

4. The hydrogen peroxide detection and sampling device according to claim 1, characterized in that: The connecting flange (2) and the flow shell (1) are integrally formed. The connecting flange (2) has evenly distributed mounting holes. The outer diameter of the circular filter plate (31) is matched with the inner diameter of the connecting flange (2). The circular filter plate (31) is fixedly connected to the connecting flange (2) by welding.

5. The hydrogen peroxide detection and sampling device according to claim 1, characterized in that: A liquid extraction assembly (4) is provided on the flow housing (1). The liquid extraction assembly (4) includes a threaded cylinder (41). The threaded cylinder (41) is fixedly installed at the bottom of the flow housing (1). A liquid storage cylinder (412) is threadedly installed on the threaded cylinder (41). A connecting groove (42) is provided on the flow housing (1) and the liquid storage cylinder (412). A one-way valve (43) is fixedly installed inside the connecting groove (42) on the flow housing (1). A valve disc (44) is slidably installed inside the liquid storage cylinder (412). Two sets of mounting plates (45) are fixedly installed on the cylinder (412). A connecting rod (46) is fixedly installed on the mounting plate (45). A circular plate (47) is provided at the bottom of the liquid storage cylinder (412). A threaded rod (48) is rotatably installed on the other set of mounting plates (45). One end of a limit rod (49) is fixedly installed on the circular plate (47). The other end of the limit rod (49) is fixedly installed on the valve disc (44). A positioning block (411) is fixedly installed on the circular plate (47). A threaded seat (410) is fixedly installed on the positioning block (411).

6. The hydrogen peroxide detection and sampling device according to claim 5, characterized in that: The threaded seat (410) is threadedly connected to the threaded rod (48), the limiting rod (49) is set through the threaded seat (410), and the limiting rod (49) is slidably connected to the threaded seat (410). The mounting plate (45) is welded to the flow shell (1) and the liquid storage cylinder (412) to ensure the structural connection strength.

7. The hydrogen peroxide detection and sampling device according to claim 5, characterized in that: The liquid storage cylinder (412) has a scale line at one end of its outer circumference. The connecting groove (42) is connected to the inner cavity of the flow shell (1) and the inner cavity of the liquid storage cylinder (412) respectively. The outer diameter of the valve disc (44) is adapted to the inner diameter of the liquid storage cylinder (412), and a sealing gasket is provided on the outer circumference of the valve disc (44).

8. The hydrogen peroxide detection and sampling device according to claim 5, characterized in that: An auxiliary component (5) is provided on the flow housing (1). The auxiliary component (5) includes a motor (51). The motor (51) is fixedly installed on the sleeve (33). A round rod (52) is fixedly installed at the output end of the motor (51). A fan blade (53) is fixedly installed on the round rod (52). A handle sleeve (54) is fixedly installed on the sleeve (33). A limit plate (55) is fixedly installed at the bottom of the connecting rod (46) and the threaded rod (48). A filter cartridge (56) is fixedly installed inside the flow housing (1).

9. The hydrogen peroxide detection and sampling device according to claim 8, characterized in that: The fan blades (53) are provided in multiple sets, and the multiple sets of fan blades (53) and round rods (52) are provided inside the sleeve (33). The multiple sets of fan blades (53) correspond to the positions of multiple sets of openings (35) and small filter plates (36).

10. The hydrogen peroxide detection and sampling device according to claim 8, characterized in that: The sleeve (33) is located inside the filter cartridge (56), and the motor (51) is located inside the handle sleeve (54).

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