Anti-blocking differential pressure type gas flow measuring device

Abstract

An anti-blocking differential pressure type gas flow measuring device disclosed by the present invention comprises a differential pressure type gas flow structure, the left side of the differential pressure type gas flow structure communicates with and is detachably provided with an anti-blocking structure for anti-blocking treatment, the differential pressure type gas flow structure comprises a first gas delivery pipe, and the left side and the right side of the first gas delivery pipe are both fixedly provided with first flange plates; the first gas conveying pipe is communicated with a differential pressure flow calculator through a first pressure guiding gas inlet pipe and a second pressure guiding gas inlet pipe, a display screen and a standby power storage assembly are embedded in the differential pressure flow calculator, and the standby power storage assembly is located on the rear side of the display screen. Impurities and crushed parts in the fluid are filtered under the auxiliary action of the two groups of filter screens, so that the situation that the accuracy of gas flow measurement data is affected due to the fact that the first pressure guide gas inlet pipe and the second pressure guide gas inlet pipe are blocked by dust and the impurities is avoided, and a cleaning brush is driven to rotate under the action of a double-head motor in a motor box; and the cleaning brush rotates to treat impurities and dust on the filter screen.

Description

Technical Field

[0001] The invention relates to the technical field of differential pressure gas flow devices, in particular to an anti-blocking differential pressure gas flow measurement device. Background Art

[0002] A gas flow meter is an instrument for measuring gas flow. It is installed in a pipeline to record the amount of gas flowing through it. It can measure coal gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas ammonia, etc. When the existing differential pressure gas flow measurement device is in use, the gas contains a large amount of impurities, which can easily block the gas inlet and affect the accuracy of the measurement. Summary of the invention

[0003] The purpose of the present invention is to provide an anti-blocking differential pressure gas flow measurement device to solve the problem that when the existing differential pressure gas flow measurement device is used, the gas contains a large amount of impurities, which easily block the gas inlet and affect the measurement accuracy.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a blockage-proof differential pressure gas flow measurement device, including a differential pressure gas flow structure, the left side of the differential pressure gas flow structure is connected and a blockage-proof structure is removably installed for blockage-proof treatment, the differential pressure gas flow structure includes a first gas pipe, first flanges are fixed on both sides of the first gas pipe, the first gas pipe is connected to a differential pressure flow calculator through a first pressure inlet pipe and a second pressure inlet pipe, a display screen and a backup power storage component are embedded on the differential pressure flow calculator, and the backup power storage component is located behind the display screen.

[0005] Preferably, the backup power storage component includes a battery, and the battery is electrically connected to the charging port through a transmission line.

[0006] By adopting the above technical solution, a backup power storage component is provided to play a role of auxiliary power supply.

[0007] Preferably, the anti-blocking structure includes a second air pipe, second flanges are fixed on both left and right ends of the second air pipe, the inner thread of the second air pipe is connected to a filter self-cleaning component, and the filter self-cleaning component is rotatably connected to an auxiliary cleaning component.

[0008] Preferably, the filtering self-cleaning component includes a filter screen, a motor box is embedded on the filter screen, the motor in the motor box drives the cleaning brush to rotate, the upper side of the material guide trough is connected to the second air pipe, and the lower side of the material guide trough is threadedly connected to the material receiving box.

[0009] By adopting the above technical solution, the surface of the filter screen is automatically cleaned by arranging a cleaning brush.

[0010] Preferably, the auxiliary cleaning component includes a motor housing, a motor in the motor housing drives a rotating rod to rotate, a first connecting rod is fixed on the rotating rod, a rotating ring is rotatably connected to the motor housing, a second connecting rod is fixed on the rotating ring, and scraper plates are fixed on the second connecting rod and the first connecting rod.

[0011] By adopting the above technical solution, the material guide trough is automatically cleaned by arranging an auxiliary cleaning component.

[0012] Compared with the prior art, the invention has the following beneficial effects: the anti-blocking differential pressure gas flow measurement device

[0013] (1) A filtering self-cleaning component is provided, and impurities and crushed parts in the fluid are filtered with the assistance of two sets of filter screens, thereby preventing dust and impurities from entering the first gas pipeline in the later stage, blocking the first pressure inlet pipe and the second pressure inlet pipe, and affecting the accuracy of gas flow measurement data. With the assistance of the double-headed motor in the motor box, the cleaning brush is driven to rotate, and the cleaning brush rotates to automatically process the impurities and dust on the filter screen, thereby reducing the number of later maintenance and increasing practicality;

[0014] (2) An auxiliary cleaning component is provided, which drives the rotating rod to rotate with the assistance of the motor in the motor housing. The rotating rod rotates through the first connecting rod, the rotating ring and the second connecting rod to drive the scraper plate to automatically clean the inner wall of the guide trough, thereby avoiding excessive accumulation of impurities and increasing the difficulty of subsequent cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the structure of the filtering self-cleaning component of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the auxiliary cleaning component of the present invention;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the filtering self-cleaning component of the present invention.

[0019] In the figure: 1. differential pressure gas flow structure; 11. first gas supply pipe; 12. first flange; 13. first pressure inlet pipe; 14. second pressure inlet pipe; 15. differential pressure flow calculator; 16. display screen; 17. backup power storage component; 171. battery; 172. charging port; 2. anti-blocking structure; 21. second gas supply pipe; 22. second flange; 23. filter self-cleaning component; 231. filter screen; 232. motor box; 233. cleaning brush; 234. material guide trough; 235. material receiving box; 24. auxiliary cleaning component; 241. motor housing; 242. rotating rod; 243. first connecting rod; 244. rotating ring; 245. second connecting rod; 246. scraper plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4 The present invention provides a technical solution: a blocking-proof differential pressure gas flow measurement device such as Figure 1 As shown, it includes a differential pressure gas flow structure 1, which includes a first gas delivery pipe 11, and first flanges 12 are fixed on both sides of the first gas delivery pipe 11. The first gas delivery pipe 11 is connected to a differential pressure flow calculator 15 through a first pressure inlet pipe 13 and a second pressure inlet pipe 14. A display screen 16 and a backup power storage component 17 are embedded on the differential pressure flow calculator 15. The backup power storage component 17 is located at the rear side of the display screen 16. The backup power storage component 17 includes a battery 171, and the battery 171 is electrically connected to a charging port 172 through a transmission line.

[0022] The control device for controlling the whole device is fixed on the differential pressure flow calculator 15, six groups of holes with the same inner diameter are opened on the two groups of first flanges 12, and a power display light is embedded on the differential pressure flow calculator 15 to facilitate real-time monitoring of the power of the battery 171;

[0023] In the above scheme, the first pressure-intake pipe 13 and the second pressure-intake pipe 14 in the first air supply pipe 11 process the fluid intake, and the fluid is measured with the assistance of the differential pressure flow calculator 15. The test data is displayed on the display screen 16 to facilitate real-time observation by the operator. When a power outage occurs suddenly, the differential pressure flow calculator 15 is powered by the assistance of the battery 171, and the battery 171 is charged through the charging port 172.

[0024] like Figure 1 , Figure 2 and Figure 4 As shown, the left side of the differential pressure gas flow structure 1 is connected and the anti-blocking structure 2 is disassembled and installed for anti-blocking treatment. The anti-blocking structure 2 includes a second gas pipe 21. The left and right ends of the second gas pipe 21 are fixed with second flanges 22. The second gas pipe 21 is internally threadedly connected to a filter self-cleaning component 23. The filter self-cleaning component 23 includes a filter screen 231. The filter screen 231 is inlaid with a motor box 232. The motor in the motor box 232 drives the cleaning brush 233 to rotate. The upper side of the material guide trough 234 is connected to the second gas pipe 21, and the lower side of the material guide trough 234 is threadedly connected to a material receiving box 235.

[0025] There are two sets of second flanges 22, and holes with the same inner diameter are provided on the two sets of second flanges 22. The right second flange 22 and the left first flange 12 are threadedly fixed by bolts, which is convenient for disassembly and installation.

[0026] Specifically, two groups of filter screens 231 are provided, and the mesh density of the two groups of filter screens 231 is different. A double-headed motor is installed in the motor box 232 embedded in the filter screen 231. The double-headed motor is a prior art. A fixing rod is fixed on the upper side of the cleaning brush 233. The fixing rod fixes a sliding block through a spring shaft. The sliding block is slidably connected to a sliding groove provided on the filter screen 231, thereby ensuring that the cleaning brush 233 always fits the filter screen 231.

[0027] Furthermore, three groups of material guide grooves 234 are provided, and the three groups of material guide grooves 234 are all threaded to disassemble the material receiving box 235. A transparent observation port is provided on the material receiving box 235. With the assistance of the transparent observation port on the material receiving box 235, the amount of internal impurities can be observed, which is convenient for later cleaning;

[0028] In the above scheme, impurities are filtered with the assistance of two sets of filter screens 231, and the filtered impurities drive the cleaning brush 233 to rotate with the assistance of the double-headed motor in the motor box 232. The cleaning brush 233 rotates to process the impurities and dust on the filter screen 231. The impurities and dust are stored in the receiving box 235 through the material guide trough 234. The operator rotates the receiving box 235, and the receiving box 235 is separated from the material guide trough 234, which is convenient for processing the impurities in the receiving box 235.

[0029] like Figure 1 and Figure 3 As shown, the filter self-cleaning component 23 is rotatably connected to the auxiliary cleaning component 24, and the auxiliary cleaning component 24 includes a motor housing 241. The motor in the motor housing 241 drives a rotating rod 242 to rotate. A first connecting rod 243 is fixed on the rotating rod 242. The motor housing 241 is rotatably connected to a rotating ring 244. A second connecting rod 245 is fixed on the rotating ring 244. A scraper plate 246 is fixed on both the second connecting rod 245 and the first connecting rod 243.

[0030] There are three groups of auxiliary cleaning components 24, which are respectively located inside three groups of material guide grooves 234. A top plate is fixed on the upper inner wall of the material guide groove 234, and a motor housing 241 is fixed on the top plate.

[0031] In the above scheme, the rotating rod 242 is driven to rotate with the assistance of the motor in the motor housing 241, and the rotation of the rotating rod 242 drives the scraper plate 246 on the first connecting rod 243 to rotate. The scraper plate 246 rotates to clean the inner wall of the guide groove 234. The scraper plate 246 rotates, and the second connecting rod 245 on the scraper plate 246 rotates with the assistance of the rotating ring 244, thereby ensuring the normal use of the scraper plate 246.

[0032] Working principle: When using the anti-blocking differential pressure gas flow measurement device, the external power supply is turned on, and the impurities are processed with the assistance of the anti-blocking structure 2. The processed gas enters the differential pressure gas flow structure 1 and the differential pressure flow is measured.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blockage-proof differential pressure gas flow measurement device, comprising a differential pressure gas flow structure (1), the left side of the differential pressure gas flow structure (1) is connected to and detachably installed with an anti-blockage structure (2) for anti-blockage treatment, characterized in that: The differential pressure gas flow structure (1) comprises a first gas delivery pipe (11), first flanges (12) are fixed on both left and right sides of the first gas delivery pipe (11), the first gas delivery pipe (11) is connected to a differential pressure flow calculator (15) through a first pressure inlet pipe (13) and a second pressure inlet pipe (14), a display screen (16) and a backup power storage component (17) are embedded on the differential pressure flow calculator (15), and the backup power storage component (17) is located on the rear side of the display screen (16).

2. The anti-blocking differential pressure gas flow measurement device according to claim 1, characterized in that: The backup power storage component (17) comprises a storage battery (171), and the storage battery (171) is electrically connected to a charging port (172) via a transmission line.

3. The anti-blocking differential pressure gas flow measurement device according to claim 1, characterized in that: The anti-blocking structure (2) comprises a second air delivery pipe (21), second flanges (22) are fixed to both left and right ends of the second air delivery pipe (21), the second air delivery pipe (21) is internally threadedly connected to a filtering self-cleaning component (23), and the filtering self-cleaning component (23) is rotatably connected to an auxiliary cleaning component (24).

4. The anti-blocking differential pressure gas flow measurement device according to claim 1, characterized in that: The filtering self-cleaning component (23) comprises a filter screen (231), a motor box (232) is embedded on the filter screen (231), a motor in the motor box (232) drives the cleaning brush (233) to rotate, the upper side of the material guide groove (234) is connected to the second air supply pipe (21), and the lower side of the material guide groove (234) is threadedly connected to the material receiving box (235).

5. The anti-blocking differential pressure gas flow measurement device according to claim 1, characterized in that: The auxiliary cleaning component (24) comprises a motor housing (241), wherein a motor in the motor housing (241) drives a rotating rod (242) to rotate, a first connecting rod (243) is fixed on the rotating rod (242), a rotating ring (244) is rotatably connected to the motor housing (241), a second connecting rod (245) is fixed on the rotating ring (244), and a scraper plate (246) is fixed on both the second connecting rod (245) and the first connecting rod (243).

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