Pneumatic ash conveying device with anti-clogging function
Patent Information
- Application Number
- CN202522234557.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-22
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-22
AI Technical Summary
[0004]在上述仓泵进行气力输送的过程中，通过插板阀的开启实现粉料的输送，而在此过程中仓泵与出料管连通的部位容易出现积灰、积块堵塞等情况，此时需要把插板阀进行拆卸后对发生积灰、积块堵塞等部位进行清理，而频繁拆卸阀体，不仅容易造成阀体螺丝松动以出现漏气等情况，还会导致工作人员的工作强度增大
[0014]本申请提供的具有防堵塞功能的气力输灰装置，通过在气力输送泵本体的底部的出料口上连通金属软管并将金属软管远离气力输送泵本体的一端与三通阀本体上的第一阀口连通，而在三通阀本体上与第一阀口位于同一直线上的第二阀口上连通出料管，并在与第一阀口和第二阀口垂直且能够与第一阀口或第二阀口连通的第三阀口上连通空压机，并在出料管靠近所述第二阀口的外管壁上设置第一振动单元，使得出料管不直接与气力输送泵本体的出料口连通，而在出料管发生积灰、积块堵塞等情况时，先通过第一振动单元产生的振动力尽可能的将出料管发生积灰、积块堵塞的部位振开，再通过三通阀本体使得第二阀口与第三阀口连通进而通过空压机向第三阀口内通入压缩空气，而压缩空气进入第三阀口并经第二阀口进入到出料管内，进一步通过强大的气流将出料管内经第一振动单元未完全振开的积灰、积块堵塞的部位冲散开并连通经第一振动单元振开的粉尘等一并随气流沿出料管的长度方向输出。因此，相比现有技术，本申请通过设置三通阀本体使得在出料管发生积灰、积块堵塞等情况时，无需拆卸三通阀本体而尽可能的将出料管发生积灰、积块堵塞的部位疏通，避免了现有技术中频繁拆卸阀体，不仅容易造成阀体螺丝松动以出现漏气等情况，从而降低了工作人员的工作强度，同时还提高了粉料的输送效率。另外，本申请通过在气力输送泵本体的出料口上连通金属软管，避免了出料管与气力输送泵本体的出料口直接连通，使得在金属软管发生堵塞时可对金属软管进行敲击等以便于敲击力等传递至金属软管内发生堵塞的部位，从而降低了气力输送过程发生堵塞的情况，进而确保了气力输送过程的连续性。
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Figure CN224783277U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of pneumatic ash conveying technology, and in particular to a pneumatic ash conveying device with anti-clogging function. Background Technology
[0002] Pneumatic conveying, also known as airflow conveying, is a fluidization technology that uses airflow energy to transport granular materials within a closed pipeline. It can achieve horizontal, vertical, or inclined conveying while simultaneously performing physical operations such as material heating and cooling. Taking calcium carbide furnaces as an example, the smelting process generates a large amount of dust and waste. To ensure a safe smelting environment, this dust and waste needs to be efficiently and environmentally friendly transported and treated. Pneumatic conveying, using airflow through closed pipelines to transport powdery materials, effectively avoids dust dispersion, reduces environmental pollution, and improves conveying efficiency. Therefore, pneumatic conveying has been widely used in calcium carbide furnace production.
[0003] However, existing pneumatic conveying of ash is mainly achieved through silo pumps. Bottom discharge from the silo pump is a common conveying method in pneumatic conveying. Specifically, the discharge port at the bottom of the silo pump is connected to the discharge pipe via a gate valve. A standard silo pump typically includes inlet and outlet valves, material conveying pipes, air input pipes, and a silo. Before the silo pump receives the material, the silo contains the material to be conveyed, and all valves are closed. The entire working process is as follows: (1) Open the feed valve and exhaust valve, and the silo pump feeds under normal pressure until the horizontal level gauge sends a full indication signal; (2) Close the feed valve and exhaust valve, and then open the high-pressure valve to pressurize the tank; (3) Once the operating pressure is reached, open the conveying air valve and the unloading valve, and the material will begin to be conveyed; (4) The conveying process ends when indicated by a pressure switch, level gauge, or time relay. At this time, close the high-pressure air valve and the discharge valve to allow all compressed air to be used to purge the conveying pipeline; simultaneously, open the exhaust valve to reduce the pressure inside the tank to atmospheric pressure. After one work cycle is completed, another cycle begins.
[0004] During the pneumatic conveying process of the aforementioned silo pump, the powder is conveyed by opening the slide gate valve. However, during this process, dust and blockages can easily occur at the connection between the silo pump and the discharge pipe. In this case, the slide gate valve needs to be disassembled to clean the dust and blockages. However, frequent disassembly of the valve body can not only cause the valve body screws to loosen and leak air, but also increase the workload of the workers.
[0005] Based on this, this application proposes a pneumatic ash conveying device with anti-clogging function. Utility Model Content
[0006] This application provides a pneumatic ash conveying device with anti-clogging function to solve the technical problems described in the background art above.
[0007] To solve the above-mentioned technical problems, this application adopts the following technical solution: This application provides a pneumatic ash conveying device with anti-clogging function, comprising: The pneumatic conveying pump body has a metal hose connected to the discharge port at the bottom of the pneumatic conveying pump body. The three-way valve body includes a first valve port, a second valve port, and a third valve port; the first valve port and the second valve port are located on the same straight line and are both perpendicular to the third valve port; the third valve port can communicate with either the first valve port or the second valve port; the first valve port is connected to the end of the metal hose away from the pneumatic conveying pump body; the second valve port is connected to a discharge pipe; and the third valve port is connected to an air compressor. The first vibration unit is disposed on the outer pipe wall of the discharge pipe near the second valve port, and the air outlet of the air compressor is connected to the third valve port.
[0008] Optionally, there may be multiple first vibration units; Multiple first vibration units are arranged on the outer peripheral wall of the discharge pipe around one end of the discharge pipe that communicates with the second valve port.
[0009] Optionally, the pneumatic conveying pump body is provided with a plurality of second vibration units evenly arranged on the outer wall around its discharge port.
[0010] Optionally, both the first vibration unit and the second vibration unit are ultrasonic vibrating rods; The vibration frequencies of both the first vibration unit and the second vibration unit are 60kHz to 120kHz.
[0011] Optionally, the length of the metal flexible tube is 0.05 to 0.1 times the length of the discharge tube; The metal hose is made of austenitic CO4 stainless steel.
[0012] Optionally, the end of the discharge pipe away from the second valve port is connected to an ash storage bin; The discharge pipe is made of a wear-resistant material.
[0013] Optionally, the two ends of the metal hose are detachably connected to the discharge port of the pneumatic conveying pump body and the first valve port respectively via a first flange. The discharge pipe and the second valve port, as well as the air outlet of the air compressor and the third valve port, are detachably connected via a second flange.
[0014] The pneumatic ash conveying device with anti-clogging function provided in this application connects a metal hose to the discharge port at the bottom of the pneumatic conveying pump body, and connects the end of the metal hose away from the pneumatic conveying pump body to the first valve port on the three-way valve body. A discharge pipe is connected to a second valve port on the three-way valve body that is on the same straight line as the first valve port. An air compressor is connected to a third valve port that is perpendicular to the first and second valve ports and can communicate with either the first or second valve port. A first vibration unit is installed on the outer wall of the discharge pipe near the second valve port, so that the discharge pipe is not directly connected to the discharge port of the pneumatic conveying pump body. In cases where the discharge pipe becomes clogged with ash or lumps, the vibration force generated by the first vibration unit first attempts to clear the clogged areas. Then, the second and third valve ports are connected via the three-way valve body, allowing compressed air to be introduced into the third valve port through an air compressor. This compressed air enters the third valve port and then passes through the second valve port into the discharge pipe. The powerful airflow further disperses any remaining ash or lumps that were not fully cleared by the first vibration unit, and the dust and other particles cleared by the first vibration unit are carried along the length of the discharge pipe by the airflow. Therefore, compared to existing technologies, this application, by incorporating a three-way valve body, allows for the clearing of clogged areas without disassembling the valve body, avoiding the frequent disassembly of the valve body in existing technologies, which can easily lead to loose valve screws and air leaks. This reduces the workload of workers and improves the efficiency of powder conveying. In addition, by connecting a metal hose to the discharge port of the pneumatic conveying pump body, this application avoids direct connection between the discharge pipe and the discharge port of the pneumatic conveying pump body. This allows the metal hose to be tapped or otherwise blocked when it becomes blocked, so that the force of the tapping can be transmitted to the blocked part inside the metal hose, thereby reducing the occurrence of blockages in the pneumatic conveying process and ensuring the continuity of the pneumatic conveying process. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 A schematic diagram of the structure of a pneumatic ash conveying device with anti-clogging function provided in an embodiment of this application; Figure 2 A front view of a pneumatic ash conveying device with anti-clogging function provided in an embodiment of this application; Figure 3 This is a schematic diagram of the structure of a three-way valve body provided in an embodiment of this application; Figure 4 This is a schematic diagram of the structure of a first vibration unit provided in an embodiment of this application, which is installed on the discharge pipe.
[0017] In the diagram: 100, pneumatic conveying pump body; 101, second vibration unit; 200, metal hose; 300, three-way valve body; 301, first valve port; 302, second valve port; 303, third valve port; 400, discharge pipe; 500, air compressor; 600, first vibration unit; 700, ash storage silo; 800, first flange; 900, second flange. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this application.
[0019] refer to Figures 1 to 4 This application provides a pneumatic ash conveying device with anti-clogging function, comprising: The pneumatic conveying pump body 100 has a metal hose 200 connected to the discharge port at the bottom of the pneumatic conveying pump body 100; wherein, the pneumatic conveying pump body 100 is an existing silo-type pneumatic conveying pump, that is to say, the structure and working principle of the pneumatic conveying pump body 100 are existing technologies, and this application does not specifically limit it.
[0020] The three-way valve body 300 includes a first valve port 301, a second valve port 302, and a third valve port 303. The first valve port 301 and the second valve port 302 are located on the same straight line and are both perpendicular to the third valve port 303. The third valve port 303 can communicate with either the first valve port 301 or the second valve port 302. The first valve port 301 is connected to the end of the metal hose 200 away from the pneumatic conveying pump body 100. The second valve port 302 is connected to a discharge pipe 400, and the third valve port 303 is connected to an air compressor 500. The three-way valve body 300 is a conventional three-way ball valve, which is a type of valve device mainly used as an opening and closing element, achieving the opening and closing function by rotating the ball. In other words, the structure and working principle of the three-way valve body 300 are existing technologies, and this application does not specifically limit them.
[0021] The first vibration unit 600 is installed on the outer wall of the discharge pipe 400 near the second valve port 302, and the air outlet of the air compressor 500 is connected to the third valve port 303. The purpose of the first vibration unit 600 is to transmit the vibration force generated by vibration to the interior of the discharge pipe 400 so that the parts of the discharge pipe 400 that are blocked by dust or clumps are opened up as much as possible by the vibration force, thereby ensuring the continuity of the pneumatic conveying process.
[0022] The pneumatic ash conveying device with anti-clogging function provided in this application connects a metal hose 200 to the discharge port at the bottom of the pneumatic conveying pump body 100, and connects the end of the metal hose 200 away from the pneumatic conveying pump body 100 to the first valve port 301 on the three-way valve body 300. A discharge pipe 400 is connected to a second valve port 302 on the three-way valve body 300 that is on the same straight line as the first valve port 301. An air compressor 500 is connected to a third valve port 303 that is perpendicular to the first valve port 301 and the second valve port 302 and can communicate with either the first valve port 301 or the second valve port 302. A first vibration unit 600 is installed on the outer wall of the discharge pipe 400 near the second valve port 302, so that the discharge pipe 400 does not directly contact the pneumatic conveying pump body. The discharge port of body 100 is connected. When dust or blockage occurs in the discharge pipe 400, the vibration force generated by the first vibration unit 600 is used to open up the dust or blockage in the discharge pipe 400 as much as possible. Then, the second valve port 302 and the third valve port 303 are connected through the three-way valve body 300. Compressed air is then introduced into the third valve port 303 through the air compressor 500. The compressed air enters the third valve port 303 and enters the discharge pipe 400 through the second valve port 302. The powerful airflow further disperses the dust and blockage in the discharge pipe 400 that were not completely opened by the first vibration unit 600 and connects the dust and other particles opened by the first vibration unit 600 with the airflow and outputs them along the length of the discharge pipe 400. Therefore, compared with the prior art, this application, by setting a three-way valve body 300, allows for the unblocking of the discharge pipe 400 when dust or blockage occurs without disassembling the three-way valve body 300. This avoids the frequent disassembly of the valve body in the prior art, which can easily cause the valve body screws to loosen and leak air, thus reducing the workload of the workers and improving the powder conveying efficiency. In addition, this application connects a metal hose 200 to the discharge port of the pneumatic conveying pump body 100, avoiding direct connection between the discharge pipe 400 and the discharge port of the pneumatic conveying pump body 100. This allows the metal hose 200 to be tapped when it becomes blocked, so that the tapping force is transmitted to the blocked part of the metal hose 200, thereby reducing the possibility of blockage during the pneumatic conveying process and ensuring the continuity of the pneumatic conveying process.
[0023] In some embodiments, reference Figure 1 , Figure 2 and Figure 4 In this application, there are multiple first vibration units 600; wherein, the multiple first vibration units 600 are arranged on the outer peripheral wall of the discharge pipe 400 around the end of the discharge pipe 400 that communicates with the second valve port 302. The number of first vibration units 600 depends on the diameter of the discharge pipe 400, and can be set according to the actual situation. Therefore, this application does not make a specific limitation on it.
[0024] In the above embodiments, the arrangement of multiple first vibration units 600 and the arrangement of multiple first vibration units 600 on the discharge pipe 400 enable the vibration force generated by the multiple first vibration units 600 to be evenly transmitted into the discharge pipe 400. This allows the parts of the discharge pipe 400 that are blocked by ash or lumps to be quickly vibrated open under the action of the multiple vibration forces generated by the multiple first vibration units 600, thereby improving the efficiency of clearing the parts of the discharge pipe 400 that are blocked by ash or lumps.
[0025] In some embodiments, reference Figure 1 and Figure 2 In this application, the pneumatic conveying pump body 100 is uniformly provided with a plurality of second vibration units 101 around the outer wall of its discharge port.
[0026] In the above embodiments, by setting multiple second vibration units 101, the vibration force generated by the multiple second vibration units 101 is uniformly transmitted to the discharge port of the pneumatic conveying pump body 100, and the accumulated dust and clumps at the discharge port of the pneumatic conveying pump body 100 are quickly shaken away, thereby avoiding blockage at the discharge port of the pneumatic conveying pump body 100 and ensuring the continuity of the discharge process of the pneumatic conveying pump body 100. The arrangement of multiple second vibration units 101 ensures the uniformity of the vibration force received at the discharge port of the pneumatic conveying pump body 100, ensuring the efficiency of clearing the blockage at the discharge port of the pneumatic conveying pump body 100.
[0027] In some embodiments, the first vibration unit 600 and the second vibration unit 101 in this application are both ultrasonic vibrating rods. An ultrasonic vibrating rod, also known as an ultrasonic vibrating bar or ultrasonic homogenizer, is an industrial device based on the ultrasonic cavitation effect and the principle of alternating positive and negative pressure. Its core components include an ultrasonic transducer (converting electrical energy into mechanical vibration), an amplitude transformer (amplifying the amplitude), and a tool head (emitting energy). This device uses a stainless steel or titanium alloy probe and features sealed waterproofing, amplitude compensation, and automatic resonance control functions, extending its service life by more than 1.5 times compared to traditional vibrating plates. In other words, ultrasonic vibrating rods are commercially available, and their models and specifications can be selected according to actual needs; therefore, this application does not specifically limit their availability.
[0028] Furthermore, the vibration frequencies of both the first vibration unit 600 and the second vibration unit 101 are 60kHz to 120kHz. Since the first vibration unit 600 and the second vibration unit 101 are used to vibrate open the parts of the pneumatic pump body 100 where dust and clumps have accumulated and become blocked, respectively, if the vibration frequencies of the first vibration unit 600 and the second vibration unit 101 are too low, they may not be able to effectively open the parts of the pneumatic pump body 100 and the discharge pipe 400 where dust and clumps have accumulated and become blocked. Conversely, if the vibration frequencies of the first vibration unit 600 and the second vibration unit 101 are too high, it may cause instability in the operation of the pneumatic pump body 100 and the discharge pipe 400. Therefore, the vibration frequencies of the first vibration unit 600 and the second vibration unit 101 need to be within a suitable range. In this application, the vibration frequencies of the first vibration unit 600 and the second vibration unit 101 are between 60kHz and 120kHz, which not only ensures that the parts of the pneumatic conveying pump body 100 that are blocked by dust or lumps and the parts of the discharge pipe 400 that are blocked by dust or lumps are quickly vibrated open, but also does not affect the stability of the operation of the first vibration unit 600 and the second vibration unit 101. In addition, by employing a first vibration unit 600 and a second vibration unit 101, both with vibration frequencies of 60kHz to 120kHz, the applicant can not only ensure the unblocking effect of dust and blockage at the discharge port of the discharge pipe 400 and the pneumatic conveying pump body 100, but also avoid affecting the stability of the connection between the discharge pipe 400 and the second valve port 302, as well as the stability of the connection between the metal hose 200 and the discharge port of the pneumatic conveying pump body 100. This results in good sealing at the connection between the discharge pipe 400 and the second valve port 302, and good sealing at the connection between the metal hose 200 and the discharge port of the pneumatic conveying pump body 100. Furthermore, both the first vibration unit 600 and the second vibration unit 101 only start working when dust or blockage occurs at the discharge port of the discharge pipe 400 and the pneumatic conveying pump body 100, rather than working continuously. Moreover, by regularly inspecting the connection between the discharge pipe 400 and the second valve port 302 and the connection between the metal hose 200 and the first valve port 301, the applicant can promptly eliminate potential hazards and further ensure the stability and sealing of the connection between the discharge pipe 400 and the second valve port 302 and the metal hose 200 and the first valve port 301.
[0029] In some embodiments, the length of the metal hose 200 in this application is 0.05 to 0.1 times the length of the discharge pipe 400. This makes the length of the metal hose 200 much smaller than the length of the discharge pipe 400. When the discharge port of the pneumatic conveying pump body 100 is blocked, the end of the metal hose 200 connected to the discharge port of the pneumatic conveying pump body 100 can be quickly removed from the discharge port of the pneumatic conveying pump body 100 to clear the blockage of the discharge port of the pneumatic conveying pump body 100 and the metal hose 200, which facilitates operation.
[0030] Furthermore, the metal hose 200 is made of austenitic CO4 stainless steel. Austenitic CO4 stainless steel possesses excellent flexibility and extensibility, making the metal hose 200, made of austenitic CO4 stainless steel, easy to install and handle during unblocking processes, thus simplifying installation and unblocking. In addition, austenitic CO4 stainless steel also exhibits excellent corrosion resistance, high pressure resistance, and high temperature resistance, resulting in a longer service life for the metal hose 200.
[0031] In some embodiments, reference Figure 1 and Figure 2 In this application, the end of the discharge pipe 400 away from the second valve port 302 is connected to an ash storage bin 700; wherein, the function of the ash storage bin 700 is to store the powder output through the discharge pipe 400 so as to facilitate the subsequent centralized processing of the powder.
[0032] In addition, the discharge pipe 400 is made of a wear-resistant material. The wear-resistant material can be ceramic or other similar materials. The purpose is to ensure that the inner wall of the discharge pipe 400 can resist the friction of the powder during the discharge process, thereby extending the service life of the discharge pipe 400.
[0033] In some embodiments, reference Figure 1 and Figure 2 In this application, the two ends of the metal hose 200 are detachably connected to the discharge port of the pneumatic conveying pump body 100 and the first valve port 301 respectively via the first flange 800; this facilitates the connection of the two ends of the metal hose 200 to the discharge port of the pneumatic conveying pump body 100 and the first valve port 301 respectively, and also facilitates the disassembly of the metal hose 200, thereby improving the convenience of the installation and disassembly of the metal hose 200.
[0034] In addition, the discharge pipe 400 and the second valve port 302, as well as the air outlet of the air compressor 500 and the third valve port 303, are detachably connected via the second flange 900. This facilitates the connection or disconnection of the discharge pipe 400 and the second valve port 302, as well as the connection or disconnection of the air outlet of the air compressor 500 and the third valve port 303, thereby improving the ease of installation and disassembly of the discharge pipe 400, the three-way valve body 300, and the air compressor 500.
[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them; although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. A pneumatic ash conveying device with anti-clogging function, characterized in that, include: A pneumatic conveying pump body (100) has a metal hose (200) connected to the discharge port at the bottom of the pneumatic conveying pump body (100). The three-way valve body (300) includes a first valve port (301), a second valve port (302), and a third valve port (303); the first valve port (301) and the second valve port (302) are located on the same straight line and both are perpendicular to the third valve port (303); the third valve port (303) can communicate with the first valve port (301) or the second valve port (302); the first valve port (301) is connected to the end of the metal hose (200) away from the pneumatic conveying pump body (100); the second valve port (302) is connected to a discharge pipe (400); and the third valve port (303) is connected to an air compressor (500). The first vibration unit (600) is disposed on the outer wall of the discharge pipe (400) near the second valve port (302), and the air outlet of the air compressor (500) is connected to the third valve port (303).
2. The pneumatic ash conveying device with anti-clogging function according to claim 1, characterized in that, There are multiple first vibration units (600); Multiple first vibration units (600) are arranged on the outer peripheral wall of the discharge pipe (400) around one end of the discharge pipe (400) that communicates with the second valve port (302).
3. The pneumatic ash conveying device with anti-clogging function according to claim 2, characterized in that, The pneumatic conveying pump body (100) has multiple second vibration units (101) evenly arranged on the outer wall around its discharge port.
4. The pneumatic ash conveying device with anti-clogging function according to claim 3, characterized in that, Both the first vibration unit (600) and the second vibration unit (101) are ultrasonic vibrating rods; The vibration frequencies of the first vibration unit (600) and the second vibration unit (101) are both 60kHz to 120kHz.
5. The pneumatic ash conveying device with anti-clogging function according to claim 1, characterized in that, The length of the metal flexible tube (200) is 0.05 to 0.1 times the length of the discharge tube (400); The metal hose (200) is made of austenitic CO4 stainless steel.
6. The pneumatic ash conveying device with anti-clogging function according to claim 1, characterized in that, The end of the discharge pipe (400) away from the second valve port (302) is connected to an ash storage bin (700). The discharge pipe (400) is made of a wear-resistant material.
7. The pneumatic ash conveying device with anti-clogging function according to any one of claims 1 to 6, characterized in that, The two ends of the metal hose (200) are detachably connected to the discharge port of the pneumatic conveying pump body (100) and the first valve port (301) respectively via the first flange (800); The discharge pipe (400) and the second valve port (302), as well as the air outlet of the air compressor (500) and the third valve port (303), are detachably connected via the second flange (900).