A boiler chemical cleaning device
Patent Information
- Application Number
- CN202521877637.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-02
- Publication Date
- 2026-10-20
- Estimated Expiration
- 2035-09-02
AI Technical Summary
[0003]现有技术中，对于锅炉的化学清洗装置存在些许不足，例如常规清洗通过化学药剂对水垢等杂质进行浸泡，使水垢自然脱落，但水垢与锅炉内壁的粘接过于牢固，无法促进内层水垢与药剂充分反应，水垢清洗不完全
1、该锅炉化学清洗装置，通过设置超声波振动棒、电加热棒等结构实现化学药剂与水垢之间的充分反应，在使用时先将化学清洗药剂倒入锅炉的内部，随后先对电加热棒通电后再启动超声波振动棒，电加热棒通电后对化学药剂进行加热升温，通过电加热棒的升温后加快化学药剂与水垢之间的反应速率，并且超声波振动棒启动后，产生的超声波会在要集中产生大量微气泡，气泡破裂时释放的局部高温与高压，能够瞬间激活药剂分子活性，同时超声振动能够加速药剂分子扩散，超声波在介质中传播产生高频振动，能够使水垢与锅炉内壁的结合力减弱，起到了药剂与水垢充分反应的效果。
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Figure CN224872439U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cleaning device technology, and in particular to a boiler chemical cleaning device. Background Technology
[0002] A boiler is an energy conversion device. The energy input to a boiler includes the chemical energy of fuel and electrical energy. The boiler outputs steam, high-temperature water, or organic heat transfer fluid with a certain amount of thermal energy. After prolonged use, boilers require internal cleaning, including chemical cleaning. This involves using aqueous solutions of chemicals to remove various deposits inside the boiler and to form a protective film on the metal surfaces. Common chemical cleaning methods for boilers include hydrochloric acid cleaning, citric acid cleaning, EDTA ammonium salt cleaning, EDTA sodium salt cleaning, glycolic acid cleaning, and glycolic acid + formic acid or citric acid cleaning.
[0003] Existing technologies for chemical cleaning devices for boilers have some shortcomings. For example, conventional cleaning involves soaking scale and other impurities in chemical agents to allow the scale to fall off naturally. However, the scale adheres too firmly to the inner wall of the boiler, making it difficult to promote a full reaction between the inner scale and the chemical agents, resulting in incomplete scale removal. Utility Model Content
[0004] To address the shortcomings of existing technologies, this invention provides a boiler chemical cleaning device that has the advantages of high reaction efficiency and fast cleaning speed, thus solving the problems mentioned in the background section.
[0005] This utility model provides the following technical solution: a boiler chemical cleaning device, including a boiler, a cleaning cover movably installed on the top of the boiler, a high-pressure plunger pump provided on one side of the boiler, a filter cylinder provided on one side of the high-pressure plunger pump, an input pipe fixedly connected between the high-pressure plunger pump and the inner bottom wall of the boiler, an output pipe fixedly connected between the high-pressure plunger pump and the filter cylinder, a flushing device installed inside the boiler, ultrasonic vibrating rods symmetrically installed at the bottom of the cleaning cover on the outer ring of the flushing device, and electric heating rods symmetrically installed at the bottom of the cleaning cover on the outer ring of the flushing device, with an angle difference of 90° between the ultrasonic vibrating rods and the electric heating rods.
[0006] By using the above-mentioned structural design, and by cooperating with the ultrasonic vibrating rod and the electric heating rod, the cleaning efficiency of the boiler can be improved. The electric heating rod controls the temperature of the chemical agent, thereby increasing the reaction speed between the agent and the scale. At the same time, the ultrasonic vibrating rod allows the cavitation effect and vibration brought by the ultrasound to cover areas that are difficult to reach by ordinary cleaning devices.
[0007] Preferably, the bottom of the filter cylinder is provided with a discharge port, and a plug is fixedly fitted around the outer ring of the discharge port. The filter cylinder is provided with a filter plate inside, which divides the interior of the filter cylinder into a filtration chamber and a clean liquid chamber. The output pipe is located between the filtration chamber of the filter cylinder and the output port of the high-pressure plunger pump. A connecting pipe is fixedly connected between the top of the filter cylinder and the interior of the cleaning cover. The clean liquid chamber of the filter cylinder and the interior of the cleaning cover are connected through the connecting pipe.
[0008] With the above structural design, the filter cartridge retains impurities inside the filter chamber through the filter plate, while the medicine flows back to the inside of the cleaning cover through the clean liquid chamber and the connecting pipe after being filtered by the filter plate. The scale mixed in the medicine accumulates inside the filter chamber.
[0009] Preferably, the flushing device includes a riser pipe, which is fixedly installed at the bottom of the cleaning cover, and the riser pipe and the connecting pipe are connected inside the cleaning cover. A rotating spraying device is rotatably sleeved at the end of the riser pipe.
[0010] With the above-mentioned structure, the circulating filtered medicine that flows back to the inside of the cleaning cover enters the end sleeve through the riser, is transmitted through the horizontal pipe and sprayed out through the spray nozzle, and is linked with the rotating spraying device through the riser so that it rotates at the end of the riser during the high-pressure spraying process.
[0011] Preferably, the rotating spraying device includes an end sleeve, which is rotatably sleeved on the end of the flushing device. Horizontal pipes are fixedly installed on both sides of the end sleeve, and a spray pipe is fixedly connected to the side of the horizontal pipe away from the end sleeve. The shape of the spray pipe conforms to the inner wall of the boiler, and an oblique hole is opened on the side of the spray pipe near the inner wall of the boiler.
[0012] With the above structural design, the high-pressure liquid will generate recoil when it is sprayed out, which will continuously push the horizontal pipe and the nozzle at the end of the vertical pipe to rotate. This allows the nozzle to rotate circumferentially inside the boiler while simultaneously flushing the residual scale under high pressure. The scale is completely cleaned after being soaked in the liquid, vibrated by the electric heating rod, and flushed by the high pressure of the nozzle.
[0013] This utility model has the following advantages: 1. This boiler chemical cleaning device utilizes ultrasonic vibrating rods and electric heating rods to achieve a full reaction between chemical agents and scale. During use, the chemical cleaning agent is first poured into the boiler interior. Then, the electric heating rod is energized before the ultrasonic vibrating rod is activated. The electric heating rod heats the chemical agent, accelerating the reaction rate between the chemical agent and scale. Furthermore, the ultrasonic vibration generates numerous microbubbles, and the localized high temperature and pressure released when these bubbles burst instantly activate the agent molecules. Simultaneously, the ultrasonic vibration accelerates the diffusion of agent molecules, and the high-frequency vibration generated by the ultrasonic waves propagating in the medium weakens the bond between the scale and the boiler's inner wall, ensuring a full reaction between the agent and scale.
[0014] 2. This boiler chemical cleaning device uses a high-pressure plunger pump and filter cartridge to filter the scale mixed in the cleaning agent. The high-pressure plunger pump draws the mixture of cleaning agent and scale from inside the boiler through the input pipe and discharges it into the filter cartridge through the output pipe. After the mixture is filtered by the filter plate, the scale and other impurities are trapped inside the filter chamber. When cleaning is needed, the plug is opened, allowing the cleaning agent sprayed from the output pipe to carry the impurities inside the filter chamber out through the discharge port. After discharge, the plug is closed and then closed again, which allows for the circulation and filtration of the cleaning agent, effectively filtering the scale.
[0015] 3. This boiler chemical cleaning device uses a high-pressure plunger pump, flushing device, and spray nozzle to flush away residual scale. The circulating filtered chemical solution flows through the inside of the cleaning cover to the inside of the riser, then through the riser to the horizontal pipe and the spray nozzle, and finally is sprayed out through the angled holes of the spray nozzle. The chemical solution is drawn in by the high-pressure plunger pump and has high pressure. After being sprayed out through the angled holes, it generates recoil force on the spray nozzle, causing the end sleeve located at the end of the riser to rotate. This causes the spray nozzle to perform a circumferential high-pressure flushing of the residual scale on the inner wall of the boiler. The scale is completely removed after being continuously flushed by the circulating filtered chemical solution under high pressure, thus achieving the effect of flushing away scale. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the present utility model; Figure 3 This is a schematic diagram of the internal structure of the boiler of this utility model; Figure 4 This is a schematic diagram of the internal structure of the boiler of this utility model from another perspective.
[0017] In the diagram: 1. Boiler; 2. Cleaning cover; 3. High-pressure plunger pump; 31. Input pipe; 32. Output pipe; 4. Filter cylinder; 41. Plug; 42. Filter plate; 43. Connecting pipe; 5. Flushing device; 51. Riser; 52. End sleeve; 53. Horizontal pipe; 54. Nozzle; 6. Ultrasonic vibrator; 7. Electric heating rod. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figures 1-2 A boiler chemical cleaning device includes a boiler 1, a cleaning cover 2 movably installed on the top of the boiler 1, a high-pressure plunger pump 3 on one side of the boiler 1, a filter cylinder 4 on one side of the high-pressure plunger pump 3, an input pipe 31 fixedly connected between the high-pressure plunger pump 3 and the inner bottom wall of the boiler 1, an output pipe 32 fixedly connected between the high-pressure plunger pump 3 and the filter cylinder 4, a flushing device 5 installed inside the boiler 1, ultrasonic vibrating rods 6 symmetrically installed at the bottom of the cleaning cover 2 on the outer ring of the flushing device 5, and electric heating rods 7 symmetrically installed at the bottom of the cleaning cover 2 on the outer ring of the flushing device 5, with an angle difference of 90° between the ultrasonic vibrating rods 6 and the electric heating rods 7.
[0020] The top of the ultrasonic vibrating rod 6 is connected to an external ultrasonic generator via a connecting wire, and the top of the electric heating rod 7 is connected to an external power source via a connecting wire.
[0021] In practical applications, this device improves boiler cleaning efficiency through the coordinated operation of the ultrasonic vibrating rod 6 and the electric heating rod 7. During use, the chemical cleaning agent is first poured into the boiler 1. Then, the electric heating rod 7 is energized before the ultrasonic vibrating rod 6 is activated. The electric heating rod 7 heats the chemical agent, and the reaction rate of its components, such as hydrochloric acid and citric acid, is temperature-dependent. For every 10°C increase in temperature, the reaction rate between the chemical agent and scale increases by 1.5 times. The heating effect of the electric heating rod 7 further accelerates the reaction rate between the chemical agent and scale. Furthermore, after the ultrasonic vibrating rod 6 is activated, it produces… The generated ultrasonic waves will produce a large number of microbubbles. When the bubbles burst, the local high temperature and high pressure released can instantly activate the activity of the agent molecules. At the same time, ultrasonic vibration can accelerate the diffusion of agent molecules. The ultrasonic waves propagate in the medium and generate high-frequency vibrations, which can weaken the bonding force between the scale and the inner wall of the boiler. After the agent temperature rises, the scale will be slightly lifted off the inner wall of the boiler, providing an entry point for ultrasonic vibration to peel off. Overall, by setting the electric heating rod 7 to control the temperature of the chemical agent, the reaction speed between the agent and the scale is increased. At the same time, the ultrasonic vibration rod 6 can make the cavitation effect and vibration brought by the ultrasound cover areas that are difficult to reach by ordinary cleaning devices.
[0022] Please see Figures 1-4 The bottom of the filter cylinder 4 is provided with a discharge port, and a plug 41 is fixedly fitted around the outer ring of the discharge port. The filter cylinder 4 is provided with a filter plate 42 inside, which divides the interior of the filter cylinder 4 into a filtration chamber and a clean liquid chamber. The output pipe 32 is located between the filtration chamber of the filter cylinder 4 and the output port of the high-pressure plunger pump 3. The top of the filter cylinder 4 is fixedly connected to the interior of the cleaning cover 2, and the clean liquid chamber of the filter cylinder 4 and the interior of the cleaning cover 2 are connected through the connecting pipe 43.
[0023] During boiler cleaning, the filter cartridge 4 and high-pressure plunger pump 3 effectively remove filter residue and perform high-pressure flushing. The high-pressure plunger pump 3 draws the mixture of chemical solution and scale inside boiler 1 through the input pipe 31, and then pumps it into the filter cartridge 4 through the output pipe 32. The filter cartridge 4 retains impurities inside the filter chamber through the filter plate 42, while the chemical solution, filtered by the filter plate 42, flows back to the cleaning cover 2 through the clean liquid chamber and the connecting pipe 43. The scale mixed in the chemical solution accumulates inside the filter chamber. When cleaning is required, the plug 41 is opened, allowing the chemical solution sprayed from the output pipe 32 to carry the impurities inside the filter chamber out through the discharge port. After discharge, the plug is closed and then closed again, allowing for chemical solution circulation and filtration.
[0024] Please see Figures 1-4 The flushing device 5 includes a riser 51, which is fixedly installed at the bottom of the cleaning cover 2. The riser 51 and the connecting pipe 43 are connected inside the cleaning cover 2. A rotating spraying device is rotatably sleeved at the end of the riser 51.
[0025] The circulating filter solution that flows back to the inside of the cleaning cover 2 enters the inside of the end sleeve 52 through the riser 51, is transmitted through the horizontal pipe 53 and sprayed out through the spray pipe 54. Through the linkage between the riser 51 and the rotating spraying device, it rotates at the end of the riser 51 during the high-pressure spraying process, so that it can perform circumferential high-pressure flushing of the residual scale on the inner wall of the boiler 1.
[0026] Please see Figures 1-4 The rotating spraying device includes an end sleeve 52, which is rotatably sleeved on the end of the flushing device 5. Horizontal pipes 53 are fixedly installed on both sides of the end sleeve 52. A spray pipe 54 is fixedly connected to the side of the horizontal pipe 53 away from the end sleeve 52. The shape of the spray pipe 54 conforms to the inner wall of the boiler 1. An oblique hole is opened on the side of the spray pipe 54 near the inner wall of the boiler 1.
[0027] The circulating liquid, pressurized by the high-pressure plunger pump 3, is transported into the nozzle 54 through the horizontal pipe 53 and finally sprayed out through the oblique hole. When the high-pressure liquid is sprayed out, it generates recoil force, which continuously pushes the horizontal pipe 53 and the nozzle 54 to rotate at the end of the vertical pipe 51. This allows the nozzle 54 to rotate circumferentially inside the boiler 1 while simultaneously flushing the residual scale under high pressure. The scale is completely cleaned after being soaked in the liquid, vibrated by the electric heating rod 7, and flushed by the high-pressure circumference of the nozzle 54.
[0028] The high-pressure jet ejected from the angled hole will drive the surrounding water to form a vortex. The energy can be consumed quickly in a short time and the flow rate decays rapidly. However, since the nozzle 54 in this device is positioned close to the inner wall of the boiler 1, it can achieve high-speed jet flushing of scale before the flow rate completely decays.
[0029] Working Principle: In use, the properly proportioned chemical solution is poured into the boiler 1. Then, the cleaning cover 2, high-pressure plunger pump 3, and boiler 1 are connected. First, the electric heating rod 7 is energized, and then the ultrasonic vibrator 6 is activated. The electric heating rod 7 heats the chemical solution, increasing its activity and accelerating the reaction rate with the scale. After the ultrasonic vibrator 6 is activated, the cavitation effect of the ultrasound generates a large number of microbubbles in the chemical solution. When these bubbles burst, they generate localized high temperature and pressure, increasing the activity of the chemical molecules. Simultaneously, the ultrasonic vibration accelerates the diffusion of the chemical molecules, allowing the chemical to react quickly with the scale. After the ultrasonic vibrator 6 and electric heating rod 7 have been working for a period of time, the scale on the inner wall of boiler 1 gradually falls off. At this point, the high-pressure plunger pump 3 is activated. The high-pressure plunger pump 3 draws the mixture of chemical solution and scale from inside boiler 1 through the input pipe 31 and then discharges it into the filter cylinder 4 through the output pipe 32. The mixture passes through the filter plate 42. After filtration, scale and other impurities are filtered into the filter chamber, while the liquid medicine enters the clean liquid chamber through the filter plate 42 and then flows back to the inside of the cleaning cover 2 through the connecting pipe 43. The circulating filtered liquid medicine passes through the inside of the cleaning cover 2 and into the inside of the riser 51, and then flows through the riser 51 to the horizontal pipe 53 and the spray pipe 54. Finally, it is sprayed out through the oblique hole of the spray pipe 54. The liquid medicine is drawn by the high-pressure plunger pump 3 and has high pressure. After being sprayed out through the oblique hole, it generates a recoil force on the spray pipe 54, which drives the end sleeve 52 at the end of the riser 51 to rotate. This causes the spray pipe 54 to perform a high-pressure circular scouring of the residual scale on the inner wall of the boiler 1. The scale is completely removed after being continuously scouring by the circulating filtered liquid medicine, achieving a thorough cleaning effect. At the same time, due to the cooperation of the ultrasonic vibrator 6 and the electric heating rod 7, the reaction between the liquid medicine and the scale is accelerated. The cooperation of the high-pressure plunger pump 3 and the filter cylinder 4 realizes the pressurization and filtration of the liquid medicine. Finally, it is scouring by the rotating high-pressure scouring device 5.
Claims
1. A boiler chemical cleaning device, comprising a boiler (1), characterized in that: A cleaning cover (2) is movably installed on the top of the boiler (1). A high-pressure plunger pump (3) is provided on one side of the boiler (1). A filter cylinder (4) is provided on one side of the high-pressure plunger pump (3). An input pipe (31) is fixedly connected between the high-pressure plunger pump (3) and the inner bottom wall of the boiler (1). An output pipe (32) is fixedly connected between the high-pressure plunger pump (3) and the filter cylinder (4). A flushing device (5) is installed inside the boiler (1). An ultrasonic vibrating rod (6) is symmetrically installed on the bottom of the cleaning cover (2) on the outer ring of the flushing device (5). An electric heating rod (7) is symmetrically installed on the bottom of the cleaning cover (2) on the outer ring of the flushing device (5). The angle between the ultrasonic vibrating rod (6) and the electric heating rod (7) is 90°.
2. The boiler chemical cleaning device according to claim 1, characterized in that: The bottom of the filter cylinder (4) is provided with a discharge port, and a plug (41) is fixedly sleeved on the outer ring of the discharge port. The filter cylinder (4) is provided with a filter plate (42) inside, which divides the interior of the filter cylinder (4) into a filtration chamber and a clean liquid chamber. The output pipe (32) is located between the filtration chamber of the filter cylinder (4) and the output port of the high-pressure plunger pump (3). The top of the filter cylinder (4) is fixedly connected to the interior of the cleaning cover (2), and the clean liquid chamber of the filter cylinder (4) and the interior of the cleaning cover (2) are connected through the connecting pipe (43).
3. The boiler chemical cleaning device according to claim 2, characterized in that: The flushing device (5) includes a riser (51), which is fixedly installed at the bottom of the cleaning cover (2), and the riser (51) and the connecting pipe (43) are connected inside the cleaning cover (2). A rotating spraying device is rotatably sleeved at the end of the riser (51).
4. The boiler chemical cleaning device according to claim 3, characterized in that: The rotating spraying device includes an end sleeve (52), which is rotatably sleeved on the end of the flushing device (5). Horizontal pipes (53) are fixedly installed on both sides of the end sleeve (52). A spray pipe (54) is fixedly connected to the side of the horizontal pipe (53) away from the end sleeve (52). The shape of the spray pipe (54) conforms to the inner wall of the boiler (1). An oblique hole is opened on the side of the spray pipe (54) close to the inner wall of the boiler (1).