Sand passing detector for water meter wear resistance experiment

Abstract

The invention provides a sand passing detector for a water meter wear resistance experiment, and relates to the technical field of water meter detection, the sand passing detector comprises a base, a first sand passing pipeline, a second sand passing pipeline and a water meter, the first sand passing pipeline and the second sand passing pipeline are symmetrically and fixedly communicated and installed on the base; the second sand passing pipeline is provided with a to-be-detected sand grain wear-resistant water meter, and the second sand passing pipeline is internally provided with a mixing assembly used for mixing sand grains. According to the spiral design of the mixing pipe, the sand flowing path is increased, the retention time of the sand is prolonged, strong impact and stirring are generated when gas is intermittently and rapidly injected, the contact area of the gas and the sand can be increased through fine and dense bubbles generated when the gas is injected, the gas and the sand fully act, and the sand, the gas and liquid are fully mixed.

Description

Technical Field

[0001] The invention relates to the field of water meter detection, in particular to a sand detector for a water meter wear resistance experiment. Background Art

[0002] With the increasing shortage of water resources, efficient and accurate water meter measurement technology has become the focus of people's attention. In various use environments, water meters will inevitably be affected by various physical and chemical factors, resulting in a decrease in their wear resistance. As an important method for evaluating wear resistance, water meter sand test is of great significance to improving the quality and service life of water meter products. However, the existing water meter wear tester faces a series of challenges in practical applications, one of which is the significant impact of sand mixing uniformity on the test results. In the process of water meter wear test, it is often necessary to simulate the working conditions of the water meter in a fluid environment containing impurities such as sand to evaluate its wear resistance. However, the current testing equipment has many inconveniences in dealing with the mixing of sand and fluid. The existing mixing device cannot effectively achieve uniform distribution of sand in the fluid, which leads to large fluctuations in the sand concentration that the water meter is exposed to during the test, sometimes too high, sometimes too low. The instability of the sand concentration makes it difficult to accurately measure the degree of wear of the water meter, which seriously affects the accuracy and reliability of the test results.

[0003] Therefore, we made improvements on this and proposed a sand detector for water meter wear resistance test. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that the existing sand detection instrument is difficult to process the sand that has settled to the bottom during the water meter wear resistance detection operation, which affects the accuracy and reliability of the detection result.

[0005] In order to achieve the above-mentioned purpose of the invention, the present invention provides the following sand detector for water meter wear resistance test to improve the above-mentioned problem.

[0006] The specific application is as follows:

[0007] A sand-passing detector for a water meter wear resistance test, comprising a base, a first sand-passing pipe, a second sand-passing pipe and a water meter, wherein the first sand-passing pipe is symmetrically fixedly connected with the second sand-passing pipe and installed on the base, a water meter to be tested for sand wear resistance is installed on the second sand-passing pipe, and a mixing component for mixing sand is arranged inside the second sand-passing pipe;

[0008] The mixing assembly includes a mixing tube, an air intake pipe and an air bag. The number of the mixing tubes is three and they are distributed in a spiral shape. The air bag is fixed on the base and communicates with the mixing tube through the air intake pipe. The air bag is used to input pulse airflow into the mixing tube through the air intake pipe to mix the sand. The mixing tube is also symmetrically fixed with a mounting plate fixed to the inner wall of the second sand passing pipe. The second sand passing pipe is also fixed with a delivery pipe communicated with the mounting plate.

[0009] A sand pump is fixed to the second sand passing pipeline, and a storage pipe which is in communication with the sand pump and is used for storing sand is fixed to the second sand passing pipeline.

[0010] As a preferred technical solution of the present application, the mixing assembly also includes a delivery pipe, an air delivery pipe and an ultrasonic vibrator. The delivery pipe is fixed on the surface of the second sand-passing pipe and is connected to the air inlet pipe. The delivery pipe is also fixedly connected to a balancing connecting pipe for balancing the pressure. The delivery pipe is connected to the output end of the air bag through the air delivery pipe. The ultrasonic vibrator is installed on the second sand-passing pipe to vibrate the sand in the mixing pipe.

[0011] As a preferred technical solution of the present application, the air intake pipe is located on the relatively outer sides of the three mixing tubes, and the air intake pipe is distributed in an extended shape around the surface of the mixing tube.

[0012] As a preferred technical solution of the present application, an ultrasonic head for dispersing sand is fixed on the ultrasonic vibrator, and the ultrasonic head is located at the entrance of the mixing tube.

[0013] As a preferred technical solution of the present application, a guide groove is provided on the surface of the mounting plate on one side away from the three mixing tubes, and the guide groove is in an arc shape that gradually expands away from the mounting plate.

[0014] As a preferred technical solution of the present application, mounting grooves are provided on the surfaces of the three mixing tubes, and the air inlet pipes are located in the mounting grooves.

[0015] As a preferred technical solution of the present application, the delivery pipe is in a ring shape and is located at the inlet of the mixing pipe.

[0016] As a preferred technical solution of the present application, the three mixing tubes are installed with the second sand passing pipe through a mounting plate, and the three mixing tubes are wound and distributed in an equilinear concentric shape.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In the scheme of this application:

[0019] 1. In order to solve the problem in the prior art that in the process of water meter wear resistance test, the sand sinks to the bottom when flowing, affecting the test effect, the present application cooperates with the air bag through the mixing tube provided, and the gas of the air bag enters the spirally distributed mixing tube through the air inlet pipe. The spiral design of the mixing tube increases the flow path and residence time of the sand, and the intermittent and rapid injection of the gas generates strong impact and agitation. The fine and dense bubbles generated when the gas is injected can increase the contact area between the gas and the sand, so that the gas and the sand can fully interact with each other, thereby achieving full mixing of the sand, the gas and the liquid;

[0020] 2. The present application sets up a gas pipe, so that the gas enters the gas pipe and the delivery pipe, the air intake pipe and then enters the mixing pipe, and is fully contacted and mixed with the sand. At the same time, the vibration of the ultrasonic vibrator further promotes the dispersion of the sand, making the mixing of sand and gas more uniform and efficient, ensuring the accuracy and reliability of the water meter detection results, and avoiding sand clumping and clogging. Compared with the existing technology, the vibration dispersion effect further enhances the dispersion of the sand, so that the mixing achieves higher uniformity and efficiency;

[0021] 3. Through the set guide groove, the guide groove can effectively guide the liquid and sand to flow along a specific arc path, ensuring that they enter the mixing tube accurately, thereby improving the accuracy and controllability of the flow, and solving the problem of poor guiding effect in the prior art, resulting in disorderly sand flow, uneven mixing, and inaccurate detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the structure of a sand detector for water meter wear resistance test provided in this application;

[0023] Figure 2 A vertical cross-sectional structural diagram of a sand detector for a water meter wear test provided in this application;

[0024] Figure 3 A schematic diagram of a vertical cross-sectional structure of a second sand-passing pipe of a sand-passing detector for a water meter wear-resistance test provided in the present application;

[0025] Figure 4 A schematic diagram of the deployment structure of a mixing tube of a sand detector for a water meter wear test provided in this application;

[0026] Figure 5 A sand detector for water meter wear test provided in this application Figure 4 The enlarged structural diagram at A in the middle;

[0027] Figure 6 A schematic diagram of the structure of a mounting plate for a sand detector for a water meter wear test provided in this application;

[0028] Figure 7 A schematic diagram of the air intake pipe structure of a sand detector for a water meter wear test provided in this application;

[0029] Figure 8 A sand detector for water meter wear test provided in this application Figure 7 Enlarged structural diagram at B in the middle.

[0030] Indicated in the figure:

[0031] 1. Base; 2. First sand-passing pipe; 3. Second sand-passing pipe; 4. Water meter; 401. Sand pump; 402. Storage pipe;

[0032] Mixing mechanism: 5. Mixing tube; 6. Mounting plate; 7. Guide groove; 8. Delivery pipe; 9. Mounting groove; 10. Air inlet pipe; 11. Balance connecting pipe; 12. Air bag; 13. Air delivery pipe; 14. Ultrasonic vibrator; 141. Ultrasonic head. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the 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 the embodiments. 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.

[0034] As described in the background art, the speed uniformity of the manual solid phase extraction device cannot be guaranteed, and it is more laborious and not conducive to the extraction speed.

[0035] In order to solve this technical problem, the present invention provides a sand detector for water meter wear resistance test, which is used to mix sand to improve detection accuracy.

[0036] Specifically, please refer to Figure 1-Figure 8 A sand-passing detector for a water meter wear test comprises a base 1, a first sand-passing pipe 2, a second sand-passing pipe 3 and a water meter 4. The first sand-passing pipe 2 is symmetrically fixedly connected with the second sand-passing pipe 3 and is installed on the base 1. The water meter 4 with sand to be tested for wear resistance is installed on the second sand-passing pipe 3. A mixing component for mixing sand is arranged inside the second sand-passing pipe 3.

[0037] The mixing assembly includes a mixing tube 5, an air intake pipe 10 and an air bag 12. The number of the mixing tubes 5 is three and they are distributed in a spiral shape. The air bag 12 is fixed on the base 1 and communicates with the mixing tube 5 through the air intake pipe 10. The air bag 12 is used to input pulse airflow into the mixing tube 5 through the air intake pipe 10 to mix the sand. The mixing tube 5 is also symmetrically fixed with a mounting plate 6 fixed to the inner wall of the second sand passing pipe 3. The second sand passing pipe 3 is also fixed with a delivery pipe 8 communicated with the mounting plate 6.

[0038] A sand pump 401 is fixed to the second sand passing pipeline 3 , and a storage pipe 402 which is in communication with the sand pump 401 and is used for storing sand is fixed to the second sand passing pipeline 3 .

[0039] The present invention provides a sand detector for water meter wear resistance test. The mixing tube 5 is provided to cooperate with the air bag 12 as a gas storage and supply source, so that the gas in the air bag 12 enters the spirally distributed mixing tube 5 through the air inlet pipe 10. The spiral design of the mixing tube 5 increases the flow path and residence time of the sand in the tube. When the gas is intermittently and quickly injected through the air inlet pipe 10, it can produce a strong impact and stirring effect on the sand in the tube. The fine and dense bubbles generated when the gas is injected can increase the contact area between the gas and the sand, so that the gas interacts with the sand more fully, further improving the uniformity and sufficiency of the mixing, thereby achieving full mixing of the sand, gas and liquid. The three mixing tubes 5 are firmly fixed to the inner wall of the second sand pipe 3 through the mounting plate 6. This is not It not only ensures the position stability of the mixing tube 5 during operation and prevents it from being displaced due to vibration or fluid impact, but also helps to maintain the reliability and consistency of the entire mixing process. At the same time, the delivery pipe 8 connected to the mounting plate 6 can assist in the smooth transmission of gas and sand, balance the pressure and flow in the pipe, and further optimize the mixing effect. At the same time, the sand pump 401 circulates the sand through continuous operation, which enables the sand to pass through the water meter 4 many times. The water meter 4 can continuously and accurately detect the wear resistance of the sand, thereby obtaining more comprehensive and accurate data. The storage tube 402 is used to temporarily store a certain amount of sand to cope with possible flow fluctuations or unstable supply, maintain a stable supply of sand during the entire detection process, and ensure that the detection work can be carried out continuously and smoothly.

[0040] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0042] It should be noted that similar reference numerals and letters indicate similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition or explanation in subsequent drawings.

[0043] Please refer to Figure 3-Figure 6 A sand detector for water meter wear test, the mixing assembly also includes a delivery pipe 8, an air pipe 13 and an ultrasonic vibrator 14. The delivery pipe 8 is fixed on the surface of the second sand pipeline 3 and communicated with the air inlet pipe 10. The delivery pipe 8 is also fixedly connected with a balancing connecting pipe 11 for balancing pressure. The delivery pipe 8 is connected to the output end of the air bag 12 through the air pipe 13. The ultrasonic vibrator 14 is installed on the second sand pipeline 3 to vibrate the sand in the mixing pipe 5. In the process of sand flow detection, gas is generated through the air bag 12, and the gas is transmitted to the delivery pipe 8 through the air pipe 13. After the delivery pipe 8 receives the gas, a part of the gas enters the mixing pipe 5 through the air inlet pipe 10 communicated therewith. The sand and gas in the mixing tube 5 are mixed to provide power and medium. At the same time, the balancing connecting tube 11 on the delivery pipe 8 adjusts the pressure in the pipeline. When the pressure is unbalanced, the gas is supplemented or released through the balancing connecting tube 11 to ensure the stability of the pressure of the entire system, so that the gas can be stably delivered to the intake pipe 10. In the process of the gas entering the mixing tube 5 for mixing, the ultrasonic vibrator 14 installed on the second sand passing pipe 3 starts to work. The ultrasonic vibrator 14 generates high-frequency vibration, which is transmitted to the mixing tube 5, exerting vibration on the sand therein, making the sand particles more dispersed, further enhancing the mixing effect of sand and gas, and improving the uniformity and quality of the mixing.

[0044] Through the provided gas pipe 13, the gas enters the gas pipe 13 and the delivery pipe 8, the air intake pipe 10 and then is pumped into the mixing pipe 5, where it is fully in contact with and mixed with the sand. At the same time, the vibration of the ultrasonic vibrator 14 further promotes the dispersion of the sand, making the mixing of sand and gas more uniform and efficient, thereby ensuring the accuracy and reliability of the detection results of the water meter 4.

[0045] Please refer to Figure 6-Figure 8 A sand detector for water meter wear test, wherein the air inlet pipe 10 is located at the relatively outer sides of the three mixing tubes 5, and the air inlet pipe 10 is distributed in an extended shape around the surface of the mixing tube 5. When the sand enters the mixing tube 5 and the gas is transported from the air bag 12, due to the special position and distribution of the air inlet pipe 10, the gas can be fully and evenly injected along the outer side of the mixing tube 5. During the injection process, the impact force of the gas can act on different parts of the mixing tube 5, driving the sand in the tube to flow and roll. This all-round gas injection and impact method enables the sand and gas to be more fully and evenly mixed in the mixing tube 5, providing a good basic condition for subsequent detection and processing steps.

[0046] By distributing the air intake pipe 10 around the outside of the mixing tube 5, the gas can be injected through the spiral movement of the air intake pipe 10, which better matches the sand and liquid in the mixing tube 5, so that the gas can be injected comprehensively and evenly, which greatly improves the mixing uniformity of the sand and gas in the mixing tube 5 and can intermittently increase the flow power of the sand and liquid.

[0047] A sand detector for water meter wear test is further optimized, specifically, Figure 6 As shown, an ultrasonic head 141 for dispersing sand is fixed on the ultrasonic vibrator 14, and the ultrasonic head 141 is located at the entrance of the mixing tube 5. The ultrasonic vibrator 14 generates high-frequency vibration, and transmits the vibration to the entrance of the mixing tube 5 through the ultrasonic head 141 fixed thereon. When sand enters the mixing tube 5, the high-frequency vibration generated by the ultrasonic head 141 located at the entrance can quickly act on the sand particles, so that they begin to disperse before entering the mixing tube 5.

[0048] By setting up the ultrasonic vibrator 14, the sand is dispersed at the entrance of the mixing tube 5, which helps the sand to be mixed with the gas more evenly in the subsequent mixing process, reduces the agglomeration of the sand in the mixing tube 5, speeds up the mixing speed of the sand and the gas, and thus improves the efficiency of the entire mixing process.

[0049] Further, such as Figure 3-Figure 5 As shown, a guide groove 7 is provided on the surface of one side mounting plate 6 away from the three mixing tubes 5, and the guide groove 7 is in an arc shape that gradually expands away from the mounting plate 6. When water and sand flow in the second sand passing pipe 3, they encounter the guide groove 7 provided on the one side mounting plate 6, and the guide groove 7 is in an arc shape that gradually expands away from the mounting plate 6. This arc design guides the liquid and sand to change the flow direction along its arc, and the liquid and sand enter the mixing tube 5 along the arc trajectory, making the flow smoother and orderly, and avoiding the accumulation of sand.

[0050] By providing the guide groove 7, the guide groove 7 can effectively guide the liquid and sand to flow along a specific arc path, ensuring that they accurately enter the mixing tube 5, thereby improving the accuracy and controllability of the flow.

[0051] Further, such as Figure 7-Figure 8 As shown, the surfaces of the three mixing tubes 5 are all provided with mounting grooves 9, and the air inlet pipe 10 is located in the mounting grooves 9. When the gas enters through the air inlet pipe 10, the gas directly acts on the sand and liquid in the mixing tube 5, reducing gas leakage and energy loss, so that the gas can participate in the mixing process more concentratedly and efficiently.

[0052] By setting the air inlet pipe 10 in the mounting groove 9, the gas can be better spirally input to adapt to the flow direction of the sand and water when being transmitted through the air inlet pipe 10, so as to achieve better mixing and driving effects.

[0053] Further, such as Figure 6-Figure 8 As shown, the delivery pipe 8 is in a ring shape and is located at the entrance of the mixing tube 5. The gas is evenly delivered to the entrance of the mixing tube 5 through the ring-shaped delivery pipe 8 and the air inlet pipe 10. Due to its ring-shaped structure, the material entering the mixing tube 5 is more evenly distributed.

[0054] The annular conveying pipe 8 is provided to ensure that the material is evenly distributed at the entrance of the mixing pipe 5, which is beneficial to subsequent sufficient mixing and improves the mixing effect and quality.

[0055] Further, such as Figure 3-Figure 7 As shown, three mixing tubes 5 are installed with the second sand-passing pipe 3 through a mounting plate 6, and the three mixing tubes 5 are distributed in an equilinear concentric winding shape, so that sand and liquid can flow along this special winding path when passing through.

[0056] By setting the mixing tubes 5 to be entangled and distributed in an equilinear concentric shape, the flow path of the sand and liquid in the mixing tubes 5 is extended, and the time for their mutual contact and mixing is increased, thereby improving the mixing effect.

[0057] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific embodiments, or to perform equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of the present invention, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. A sand detector for water meter wear test, characterized in that: The invention comprises a base (1), a first sand-passing pipe (2), a second sand-passing pipe (3) and a water meter (4); the first sand-passing pipe (2) and the second sand-passing pipe (3) are symmetrically fixedly connected and installed on the base (1); the second sand-passing pipe (3) is installed with a water meter (4) for testing sand wear resistance; and a mixing component for mixing sand is arranged inside the second sand-passing pipe (3); The mixing assembly comprises a mixing tube (5), an air intake pipe (10) and an air bag (12). The number of the mixing tubes (5) is three and they are distributed in a spiral shape. The air bag (12) is fixed on the base (1) and communicates with the mixing tube (5) through the air intake pipe (10). The air bag (12) is used to input pulse airflow into the mixing tube (5) through the air intake pipe (10) to mix sand. The mixing tube (5) is also symmetrically fixed with a mounting plate (6) fixed to the inner wall of the second sand passing pipe (3). The second sand passing pipe (3) is also fixed with a delivery pipe (8) communicated with the mounting plate (6). A sand pump (401) is fixed to the second sand passage pipeline (3), and a storage pipe (402) which is in communication with the sand pump (401) and is used for storing sand is fixed to the second sand passage pipeline (3).

2. A sand detector for water meter wear test according to claim 1, characterized in that: The mixing assembly further comprises a delivery pipe (8), an air delivery pipe (13) and an ultrasonic vibrator (14); the delivery pipe (8) is fixed on the surface of the second sand-passing pipe (3) and communicates with the air inlet pipe (10); a balancing connecting pipe (11) for balancing pressure is also fixedly connected to the delivery pipe (8); the delivery pipe (8) is connected to the output end of the air bag (12) via the air delivery pipe (13); and the ultrasonic vibrator (14) is installed on the second sand-passing pipe (3) and is used to vibrate the sand in the mixing pipe (5).

3. The sand detector for water meter wear test according to claim 1, characterized in that: The air intake pipe (10) is located at the relatively outer sides of the three mixing pipes (5), and the air intake pipe (10) is distributed in an extended shape around the surface of the mixing pipe (5).

4. The sand detector for water meter wear test according to claim 2, characterized in that: An ultrasonic head (141) for dispersing sand is fixed on the ultrasonic vibrator (14), and the ultrasonic head (141) is located at the entrance of the mixing tube (5).

5. The sand detector for water meter wear test according to claim 1, characterized in that: A guide groove (7) is provided on a surface of the mounting plate (6) on one side away from the three mixing tubes (5), and the guide groove (7) is in an arc shape that gradually expands away from the mounting plate (6).

6. The sand detector for water meter wear test according to claim 1, characterized in that: The surfaces of the three mixing tubes (5) are each provided with a mounting groove (9), and the air inlet pipe (10) is located in the mounting groove (9).

7. A sand detector for water meter wear test according to claim 6, characterized in that: The delivery pipe (8) is in a ring shape and is located at the inlet of the mixing pipe (5).

8. The sand detector for water meter wear test according to claim 1, characterized in that: The three mixing tubes (5) are installed with the second sand-passing pipe (3) via a mounting plate (6), and the three mixing tubes (5) are wound and distributed in an equilinear concentric manner.

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