Power plant ash conveying system blowing assisting device and using method
By integrating dual-function air-blowing and air wall manufacturing modules, the air-blowing equipment for power plant ash conveying systems has solved the problems of single function and ash dispersion of existing equipment, achieving efficient and automated ash removal and reducing the economic expenditure of the plant.
Patent Information
- Application Number
- CN202511887665.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-15
- Publication Date
- 2026-01-23
AI Technical Summary
Existing blowing equipment has limited functionality, requires multiple machines to be used in rotation, increases factory expenses, and cannot effectively prevent scattered ash, thus reducing cleaning effect and efficiency.
A blowing aid device for a power plant ash conveying system was designed, integrating a dual blowing function module and an air wall manufacturing module. It uses air cannons and strong winds to clean up accumulated ash, and the air wall prevents ash from scattering. It adopts airbag fixation and automated control to achieve efficient cleaning.
It reduces the money spent by factories on purchasing multiple machines, improves the dust removal effect and efficiency, prevents secondary diffusion of ash, and realizes an efficient and automated dust removal process.
Smart Images

Figure CN121372985A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of blowing-assisted equipment for ash conveying systems in power plants, in particular to blowing-assisted equipment for ash conveying systems in power plants and a use method thereof. BACKGROUND
[0002] The blowing-assisted equipment in the ash conveying system in a power plant is a key auxiliary device for ensuring smooth dry ash conveying and preventing pipeline blockage, and is mainly applied to dry ash conveying systems such as positive pressure dense phase, negative pressure dilute phase, and bin pump, and the core function is to break the bridging and blockage of ash by supplementing airflow or shock wave.
[0003] The temperature and pressure control system and method capable of assisting in blowing ash for a boiler in a thermal power plant disclosed in Chinese patent application publication No. CN112432151B can effectively achieve constant temperature and pressure control, and the device can effectively convert and utilize the heat energy and steam during temperature and pressure control to maximize energy loss, thereby making the device more flexible and practical. However, the above device ignores the need to select appropriate blowing-assisted equipment in a timely manner according to the ash conveying situation in the actual process, and the existing blowing-assisted equipment only has a single function. To make the ash conveying smooth again, multiple machines need to be purchased and used in rotation, which increases the money spent by the factory to purchase machines and the economic expenditure required by the factory for production. The above device also ignores that if the blown ash is not blocked, the ash will fall to the place that has been cleaned, thereby re-piling in the cleaned place, which makes the blowing-assisted device need to be blown again. This not only reduces the ash cleaning effect of the device, but also reduces the blowing-assisted efficiency of the device. Therefore, the present application provides blowing-assisted equipment for ash conveying systems in power plants and a use method to meet the needs. SUMMARY
[0004] (I) Technical problems solved In view of the deficiencies of the prior art, the present application provides blowing-assisted equipment for ash conveying systems in power plants and a use method, which solves the problems of single function of the existing device, the need for factories to spend money to purchase multiple devices to meet the blowing-assisted ash cleaning needs, and the inability of the existing device to block the floating ash, which easily causes the ash to fall to the cleaned place again, thereby reducing the ash cleaning effect and efficiency.
[0005] (II) Technical solutions To solve the above technical problems, the present application provides the following technical solutions: Power plant ash conveying system auxiliary blowing device and use method, including intermediate circular plate, the surface of the intermediate circular plate is provided with first circular hole, the both ends of the intermediate circular plate are provided with second circular hole, the both ends of the intermediate circular plate are sequentially fixedly connected with hollow circular sleeve and hollow ash conveying pipe from front to back, one end of the hollow ash conveying pipe is fixedly connected with circular sealing plate, the surface of the circular sealing plate is provided with circular sealing ring, the surface of the hollow ash conveying pipe is provided with vertical plate, the vertical plate is screw-connected with hollow ash conveying pipe through vertical plate bolt, the front surface of the vertical plate is provided with rotating rod hole, the inside of the rotating rod hole is installed with short rotating rod.
[0006] Preferably, one end of the short rotating rod is fixedly connected with thick rotating rod, the surface of the thick rotating rod is installed with coil spring, the top of the coil spring is provided with coil spring threaded hole, the inside of the coil spring threaded hole is screw-connected with coil spring bolt, the coil spring is screw-connected with gas storage bin through coil spring bolt, one end of the gas storage bin is sequentially fixedly connected with end-closed corrugated pipe and gas conveying corrugated pipe from front to back, one end of the end-closed corrugated pipe is screw-connected with first air pump.
[0007] Preferably, the first air pump is screw-connected with hollow ash conveying pipe through first air pump bolt, one end of the gas conveying corrugated pipe is screw-connected with second air pump, the second air pump is screw-connected with hollow ash conveying pipe through second air pump bolt, the surface of the gas storage bin is fixedly connected with vertical plate, the surface of the vertical plate is provided with rotating wheel hole, the inside of the rotating wheel hole is installed with rotating wheel, the other end of the gas storage bin is provided with double auxiliary blowing function module, one end of the double auxiliary blowing function module is provided with wind wall manufacturing module.
[0008] Preferably, the inner wall of the hollow circular sleeve is provided with air bag, the surface of the hollow circular sleeve is provided with third air pump, the third air pump is screw-connected with hollow circular sleeve through third air pump bolt, the top of the third air pump is provided with air inlet pipe, the third air pump is installed with hollow circular sleeve through air inlet pipe, one end of the circular sealing plate is sequentially provided with first corrugated pipe hole, coil spring adapting hole and second corrugated pipe hole from front to back, the first corrugated pipe hole and end-closed corrugated pipe are mutually adapted, the coil spring adapting hole and coil spring are mutually adapted, the second corrugated pipe hole and gas conveying corrugated pipe are mutually adapted.
[0009] Preferably, the double auxiliary blowing function module comprises first air string tank, the surface of the first air string tank is fixedly connected with first threaded joint, one end of the first air string tank is provided with gas storage bin, the first air string tank is screw-connected with gas storage bin through air string tank bolt, the surface of the first threaded joint is screw-connected with first air connection pipe, one end of the first air connection pipe is screw-connected with gas storage bin.
[0010] Preferably, the inner wall of the first string of gas tank is provided with a booster valve threaded hole, the inside of the booster valve threaded hole is screwed with a booster valve, one end of the booster valve is screwed with a gas cannon launch tube, the upper surface of the gas cannon launch tube is provided with a hinge, the gas cannon launch tube is installed with a circular opening and closing door through the hinge, one end of the circular opening and closing door is fixedly connected with a weight block, one end of the first string of gas tank is fixedly connected with a connecting column.
[0011] Preferably, one end of the connecting column is fixedly connected with a second string of gas tank, one end of the second string of gas tank is fixedly connected with a second threaded joint, the surface of the second threaded joint is screwed with a first electromagnetic valve, one end of the first electromagnetic valve is screwed with a second gas connecting pipe, one end of the second gas connecting pipe is screwed with a gas storage bin, the other end of the second string of gas tank is provided with an L-shaped nozzle threaded hole, the inner wall of the L-shaped nozzle threaded hole is screwed with an L-shaped nozzle.
[0012] Preferably, the wind wall manufacturing module comprises a third string of gas tank, the inner wall of the third string of gas tank is provided with a double assisted blowing function module, the third string of gas tank is screwed with a double assisted blowing function module through connecting bolts, the surface of the third string of gas tank is fixedly connected with a blowing end base, the surface of the blowing end base is fixedly connected with a gas jet nozzle.
[0013] Preferably, one end of the third string of gas tank is fixedly connected with a third threaded joint, the surface of the third threaded joint is screwed with a second electromagnetic valve, one end of the second electromagnetic valve is screwed with a third gas connecting pipe, one end of the third gas connecting pipe is screwed with a gas storage bin.
[0014] The use method of the power plant ash conveying system assisted blowing equipment comprises the following steps: Step one, place the pipeline responsible for ash conveying in the power plant between the hollow circular sleeve and the hollow ash conveying pipe, start the third air pump, input the gas into the hollow circular sleeve through the gas inlet pipe, the gas stays in the hollow circular sleeve for a short time and then enters the air bag, after the air bag is inflated, the air bag expansion will fix the ash conveying pipeline, the hollow ash conveying pipe, the circular sealing plate and the circular sealing ring need to be installed in the ash conveying pipeline, the circular sealing plate and the circular sealing ring cooperate with each other, the circular sealing ring is used to prevent the ash from entering the space between the circular sealing plate and the intermediate circular plate, the middle of the device is hollow, so it will not affect the conveying of the ash, when the ash accumulates in the ash conveying pipeline, the first air pump and the second air pump need to be started at this time; The gas of the first air pump enters the sealed corrugated pipe, and after the inside of the sealed corrugated pipe is filled with gas, the originally compressed sealed corrugated pipe is stretched, so that the gas storage bin is driven to move forward, at this time, the gas storage bin can move more smoothly in the ash conveying pipeline through the rotating wheel, and when the gas storage bin moves, the coil spring is stretched, and the gas of the second air pump enters the gas storage bin through the gas conveying corrugated pipe, and the gas storage bin provides gas support for the double auxiliary blowing function module and the wind wall manufacturing module, when the gas storage bin moves, the double auxiliary blowing function module is started to emit the gas gun and blow strong wind to disperse the accumulated ash in the ash conveying pipeline, and clean the ash on the inner wall, and the wind wall manufacturing module is started synchronously to emit gas to form a gas wall to prevent the blown ash from drifting to the cleaned place. Step two, when the gas storage bin moves, the gas in the gas storage bin enters the first gas tank through the first gas connecting pipe, and the gas is temporarily stored in the first gas tank, at this time, according to actual needs, when the ash conveying pipeline is blocked, the pressure increasing valve is started to increase the pressure of the gas to be output in the first gas tank, after a certain pressure is reached, the program in the pressure increasing valve is started automatically to emit the pressurized gas through the gas gun emitting pipe, so as to disperse the accumulated ash, the gas in the gas storage bin enters the second gas connecting pipe, the first electromagnetic valve is started to make the gas in the second gas connecting pipe enter the second gas tank through the first electromagnetic valve, the gas in the second gas tank passes through the L-shaped nozzle and is finally sprayed out of the L-shaped nozzle, so as to clean the ash on the inner wall of the ash conveying pipeline. Step three, the gas in the gas storage bin enters the third gas connecting pipe, when the double auxiliary blowing function module starts to work, the second electromagnetic valve of the wind wall manufacturing module is started synchronously, so that the gas in the third gas connecting pipe passes through the second electromagnetic valve and enters the third gas tank, the gas is temporarily retained in the third gas tank, then enters the gas jet nozzle, and is finally sprayed out of the gas jet nozzle to form a gas wall to prevent the ash from drifting to the cleaned place of the ash conveying pipeline.
[0015] Compared with the prior art, the present application has at least the following advantages: In the above scheme, the double auxiliary blowing function module is provided, and when ash needs to be cleaned, the air gun and air blowing cleaning functions of the module can be used to quickly disperse the accumulated ash and make the ash attached to the inner wall of the ash conveying system fall off and then be cleaned, which can be completed by one machine, without the need for multiple machines to be used in turn, which can reduce the money spent by the factory for purchasing multiple machines for cleaning ash, and can reduce the economic expenditure of the factory to a certain extent.
[0016] By setting the wind wall manufacturing module, in the ash cleaning process, a wind wall is manufactured by the module to block the ash blown up during the ash cleaning, preventing the ash from scattering to the place that has been cleaned, which can improve the ash cleaning effect of the device and improve the blowing efficiency of the device to a certain extent.
[0017] In summary, the present application has the advantages of reducing the money spent by factories to purchase multiple machines and the economic expenditure required by factories for production, improving the ash cleaning effect of the device and the blowing efficiency of the device. It can deeply enter the inside of the ash conveying pipeline, and effectively remove the accumulated ash by combining double blowing and wind wall manufacturing, and prevent the reverse diffusion of ash during the cleaning process.
[0018] Integrated design: the functions of movement, gas supply, pulse impact, strong wind cleaning and diffusion prevention are integrated, the structure is compact, and the function is powerful.
[0019] Double cleaning, high efficiency: combining the impact force of the air cannon and the blowing force of the strong wind, it can handle hard blockage and remove pipe wall ash, and the cleaning effect is remarkable.
[0020] Prevent secondary pollution: the unique wind wall design effectively solves the problem of "the more you clean, the dirtier it is" during the cleaning process, and ensures the cleanliness of the pipeline.
[0021] High degree of automation: the entire cleaning process can be automated by controlling the air pump and the electromagnetic valve, reducing manual intervention, improving safety and work efficiency.
[0022] Convenient installation: the air bag fixing method is adopted, and the installation and disassembly are quick and convenient, and there is no damage to the pipeline itself. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a three-dimensional structure schematic diagram of the power plant ash conveying system blowing device and use method; Figure 2 It is Figure 1 A partial structure enlarged schematic diagram; Figure 3 It is Figure 1 A three-dimensional structure schematic diagram of the ash conveying pipeline connection total stand; Figure 4 It is Figure 3 An explosion structure schematic diagram; Figure 5 It is Figure 5 A partial structure enlarged schematic diagram; Figure 6 It is Figure 1 An explosion structure schematic diagram of the coil spring assembly; Figure 7 It is Figure 1 A gas storage warehouse assembly schematic diagram; Figure 8 is a double-blow function module stereoscopic structure schematic diagram; Figure 1 Figure 9 is a gas cannon output assembly explosion structure schematic diagram; Figure 8 Figure 10 is a partial structure enlargement schematic diagram in Figure 9 Figure 11 is a cleaning assembly explosion structure schematic diagram; Figure 8 Figure 12 is a wind wall manufacturing module stereoscopic structure schematic diagram; Figure 1 Figure 13 is an explosion structure schematic diagram; Figure 12 Figure 14 is a partial structure enlargement schematic diagram in Figure 13
[0024] [Reference signs] 1, intermediate circular plate; 2, hollow circular sleeve; 3, hollow ash conveying pipe; 4, circular sealing plate; 5, circular sealing ring; 6, vertical plate; 7, short rotating rod; 8, thick rotating rod; 9, coil spring; 10, gas storage bin; 11, sealed end corrugated pipe; 12, gas conveying corrugated pipe; 13, first gas pump; 14, second gas pump; 15, vertical plate; 16, rotating wheel; 17, double-blow function module; 1701, first series of gas tanks; 1702, first threaded joint; 1703, first gas connecting pipe; 1704, pressure increasing valve; 1705, gas cannon launching pipe; 1706, hinge; 1707, circular opening and closing door; 1708, weight increasing block; 1709, connecting column; 1710, connecting column; 1711, second threaded joint; 1712, first electromagnetic valve; 1713, second gas connecting pipe; 1714, L-shaped nozzle; 18, wind wall manufacturing module; 1801, third series of gas tanks; 1802, gas blowing end base; 1803, gas jet nozzle; 1804, third threaded joint; 1805, second electromagnetic valve; 1806, third gas connecting pipe; 19, gas bag; 20, third gas pump; 21, gas inlet pipe.
[0025] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structures, devices and environments, and those skilled in the art can adjust or modify these devices and environments according to specific needs. DETAILED DESCRIPTION
[0026] The power plant ash conveying system auxiliary blowing device and the use method thereof provided by the present application are described in detail below in combination with the drawings and specific embodiments. Meanwhile, it is explained here that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and some other alternative ways can also be adopted by those skilled in the art to implement them; and the drawings are only used to describe the embodiments more specifically, and are not intended to specifically limit the present application.
[0027] It should be noted that the terms "one embodiment", "an embodiment", "exemplary embodiment", "some embodiments", etc. in the description indicate that the described embodiments can include a particular feature, structure or characteristic, but not necessarily every embodiment. In addition, when a particular feature, structure or characteristic is described in connection with an embodiment, it should be within the knowledge of those skilled in the related art to implement such a feature, structure or characteristic in combination with other embodiments, whether or not it is explicitly described.
[0028] Generally, the terms can be understood at least in part from the context in which they are used. For example, the term "one or more" as used herein, depending at least in part upon the context, can be used to describe any feature, structure, or characteristic in a singular sense or can be used to describe combinations of features, structures or characteristics in a plural sense. In addition, the term "based on" can be understood as not necessarily requiring exclusively derived from that which is stated, but rather can allow for being based at least in part on additional factors not explicitly described.
[0029] It can be understood that the meanings of "on", "above", and "over" in the present application should be interpreted in the broadest way, so that "on" not only means "directly on" something, but also includes the meaning of "on" something with intervening features or layers therebetween, and "above" or "over" not only means "above" or "over" something, but also can include the meaning of "above" or "over" something without intervening features or layers therebetween.
[0030] In addition, spatially relative terms such as "under", "below", "lower", "over", "upper" and the like can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can be interpreted accordingly.
[0031] As Figures 1 to 7As shown, the embodiment of the present application provides a power plant ash conveying system auxiliary blowing device and a use method, which comprises an intermediate circular plate 1, the surface of the intermediate circular plate 1 is provided with a first circular hole, the two ends of the intermediate circular plate 1 are provided with second circular holes, the two ends of the intermediate circular plate 1 are sequentially and fixedly connected with a hollow circular sleeve 2 and a hollow ash conveying pipe 3 from front to back, one end of the hollow ash conveying pipe 3 is fixedly connected with a circular sealing plate 4, the surface of the circular sealing plate 4 is provided with a circular sealing ring 5, the surface of the hollow ash conveying pipe 3 is provided with a vertical plate 6, the vertical plate 6 is threadedly connected with the hollow ash conveying pipe 3 through vertical plate bolts, the front surface of the vertical plate 6 is provided with a rotating rod hole, and a short rotating rod 7 is mounted in the rotating rod hole.
[0032] One end of the short rotating rod 7 is fixedly connected with a thick rotating rod 8, the surface of the thick rotating rod 8 is mounted with a coil spring 9, the top of the coil spring 9 is provided with a coil spring threaded hole, the coil spring threaded hole is threadedly connected with a coil spring bolt, the coil spring 9 is threadedly connected with a gas storage bin 10 through the coil spring bolt, one end of the gas storage bin 10 is sequentially and fixedly connected with an end-sealed corrugated pipe 11 and a gas conveying corrugated pipe 12 from front to back, and one end of the end-sealed corrugated pipe 11 is threadedly connected with a first gas pump 13.
[0033] The first gas pump 13 is threadedly connected with the hollow ash conveying pipe 3 through a first gas pump bolt, one end of the gas conveying corrugated pipe 12 is threadedly connected with a second gas pump 14, the second gas pump 14 is threadedly connected with the hollow ash conveying pipe 3 through a second gas pump bolt, the surface of the gas storage bin 10 is fixedly connected with a vertical plate 15, the surface of the vertical plate 15 is provided with a rotating wheel hole, a rotating wheel 16 is mounted in the rotating wheel hole, the other end of the gas storage bin 10 is provided with a double auxiliary blowing function module 17, and one end of the double auxiliary blowing function module 17 is provided with a wind wall manufacturing module 18.
[0034] The inner wall of the hollow circular sleeve 2 is provided with an air bag 19, the surface of the hollow circular sleeve 2 is provided with a third gas pump 20, the third gas pump 20 is threadedly connected with the hollow circular sleeve 2 through a third gas pump bolt, the top of the third gas pump 20 is provided with an air inlet pipe 21, the third gas pump 20 is mounted with the hollow circular sleeve 2 through the air inlet pipe 21, one end of the circular sealing plate 4 is sequentially provided with a first corrugated pipe hole, a coil spring fitting hole and a second corrugated pipe hole from front to back, the first corrugated pipe hole and the end-sealed corrugated pipe 11 are mutually fitted, the coil spring fitting hole and the coil spring 9 are mutually fitted, and the second corrugated pipe hole and the gas conveying corrugated pipe 12 are mutually fitted.
[0035] The hollow circular sleeve 2 and the hollow ash conveying pipe 3 are welded at both ends of the middle circular plate 1, and the first circular hole and the second circular hole are integrally formed with the middle circular plate 1, the circular sealing plate 4 is welded to the end of the hollow ash conveying pipe 3, the circular sealing ring 5 is adhered to the surface of the circular sealing plate 4, the vertical plate 6 is fixed to the hollow ash conveying pipe 3 through the vertical plate bolt, the short rotary lever 7 is inserted into the rotary lever hole of the vertical plate 6, the thick rotary lever 8 is welded to the short rotary lever 7, the coil spring 9 is installed on the surface of the thick rotary lever 8, the coil spring 9 is fixed to the gas storage bin 10 through the coil spring bolt, the end sealing bellows 11 and the gas conveying bellows 12 are installed on the left side of the gas storage bin 10; The other end of the end sealing bellows 11 and the gas conveying bellows 12 is connected to the first gas pump 13 and the second gas pump 14, the first gas pump 13 is installed on the hollow ash conveying pipe 3 through the first gas pump bolt, the second gas pump 14 is installed on the hollow ash conveying pipe 3 through the second gas pump bolt, the vertical plate 15 is welded to the surface of the gas storage bin 10, the rotary wheel 16 is installed on the vertical plate 15, the double auxiliary blowing function module 17 is installed on the right side of the gas storage bin 10, the wind wall manufacturing module 18 is installed on the right side of the double auxiliary blowing function module 17, the third gas pump 20 is installed on the hollow circular sleeve 2 through the third gas pump bolt, and the air bag 19 is integrally connected with the hollow circular sleeve 2, and the air inlet pipe 21 is installed between the hollow circular sleeve 2 and the third gas pump 20.
[0036] The pipe responsible for conveying ash in the power plant is placed between the hollow circular sleeve 2 and the hollow ash conveying pipe 3, the third gas pump 20 is started, the gas is input into the hollow circular sleeve 2 through the air inlet pipe 21, the gas stays in the hollow circular sleeve 2 for a short time and then enters the air bag 19, after the air bag 19 is inflated, the air bag 19 expands to fix the pipe for conveying ash, and the hollow ash conveying pipe 3, the circular sealing plate 4 and the circular sealing ring 5 need to be installed in the pipe for conveying ash, the circular sealing plate 4 and the circular sealing ring 5 cooperate with each other, and the circular sealing ring 5 is used to prevent ash from entering the space between the circular sealing plate 4 and the middle circular plate 1, the middle of the device is hollow, so it does not affect the conveying of ash, when the ash accumulates in the ash conveying pipe, the first gas pump 13 and the second gas pump 14 need to be started at this time; The gas of the first air pump 13 enters the closed corrugated pipe 11, and after the internal gas is filled, the originally compressed closed corrugated pipe 11 is stretched, so as to drive the gas storage bin 10 to move forward, and at this time, the gas storage bin 10 can move more smoothly in the ash conveying pipeline through the rotating wheel 16. When the gas storage bin 10 moves, the coil spring 9 is stretched, and the gas of the second air pump 14 enters the gas storage bin 10 through the gas conveying corrugated pipe 12, and the gas storage bin 10 provides gas support for the double auxiliary blowing function module 17 and the wind wall manufacturing module 18. When the gas storage bin 10 moves, the double auxiliary blowing function module 17 is started to emit the gas gun and blow the strong wind to disperse the accumulated ash in the ash conveying pipeline, and clean the ash on the inner wall. The wind wall manufacturing module 18 is started synchronously, and then emits the gas to form the gas wall to prevent the blown ash from drifting to the cleaned place.
[0037] As shown in Figures 8 to 11 the embodiment, the double auxiliary blowing function module 17 includes a first string gas tank 1701, a first threaded joint 1702 is fixedly connected to the surface of the first string gas tank 1701, and the first string gas tank 1701 is provided with a gas storage bin 10 at one end. The first string gas tank 1701 is threadedly connected with the gas storage bin 10 through a string gas tank bolt, and the surface of the first threaded joint 1702 is threadedly connected with a first gas connecting pipe 1703. One end of the first gas connecting pipe 1703 is threadedly connected with the gas storage bin 10.
[0038] A booster valve threaded hole is formed in the inner wall of the first string gas tank 1701, and a booster valve 1704 is threadedly connected in the booster valve threaded hole. One end of the booster valve 1704 is threadedly connected with a gas gun launching tube 1705, the upper surface of the gas gun launching tube 1705 is provided with a hinge 1706, and the gas gun launching tube 1705 is installed with a circular opening and closing door 1707 through the hinge 1706. One end of the circular opening and closing door 1707 is fixedly connected with a weight block 1708, and one end of the first string gas tank 1701 is fixedly connected with a connecting column 1709.
[0039] One end of the connecting column 1709 is fixedly connected with a second string gas tank 1710, one end of the second string gas tank 1710 is fixedly connected with a second threaded joint 1711, the surface of the second threaded joint 1711 is threadedly connected with a first electromagnetic valve 1712, one end of the first electromagnetic valve 1712 is threadedly connected with a second gas connecting pipe 1713, one end of the second gas connecting pipe 1713 is threadedly connected with the gas storage bin 10, and the other end of the second string gas tank 1710 is provided with an L-shaped nozzle threaded hole. The inner wall of the L-shaped nozzle threaded hole is threadedly connected with an L-shaped nozzle 1714.
[0040] The first threaded joint 1702 and the first string gas tank 1701 are integrally formed, the first string gas tank 1701 is mounted on the gas storage bin 10 through the string gas tank bolt, the first gas connecting pipe 1703 is mounted between the first string gas tank 1701 and the gas storage bin 10, the booster valve 1704 is mounted in the booster valve threaded hole of the first string gas tank 1701, the gas cannon launching tube 1705 is mounted on the booster valve 1704, the hinge 1706 is mounted between the gas cannon launching tube 1705 and the circular opening and closing door 1707, the weight block 1708 is welded on the circular opening and closing door 1707, and the connecting column 1709 is welded between the first string gas tank 1701 and the second string gas tank 1710, the second threaded joint 1711 and the second string gas tank 1710 are integrally formed, the first electromagnetic valve 1712 is connected to the second threaded joint 1711, the second gas connecting pipe 1713 is mounted between the first electromagnetic valve 1712 and the gas storage bin 10, and the L-shaped spray head 1714 is mounted on the L-shaped spray head threaded hole of the second string gas tank 1710.
[0041] When the gas storage bin 10 moves, the gas in the inside thereof enters the first string gas tank 1701 through the first gas connecting pipe 1703, and the gas is temporarily stored in the first string gas tank 1701, at this time, according to actual needs, when the ash conveying pipeline is blocked, the booster valve 1704 is started, so as to pressurize the gas to be output in the first string gas tank 1701, after a certain pressure is reached, at this time, the program in the booster valve 1704 is automatically started, so as to launch the pressurized gas through the gas cannon launching tube 1705, so as to flush away the accumulated ash, and the gas in the gas storage bin 10 enters the second gas connecting pipe 1713, the first electromagnetic valve 1712 is started, so that the gas in the second gas connecting pipe 1713 enters the second string gas tank 1710 through the first electromagnetic valve 1712, the gas in the inside thereof passes through the L-shaped spray head 1714, and is finally sprayed out of the L-shaped spray head 1714, so as to clean the ash on the inner wall of the ash conveying system.
[0042] Through the double blowing function module 17, when ash cleaning is needed, the air cannon and the blowing cleaning of the module can be used for two blowing functions, so that the accumulated ash can be quickly flushed away, and the ash attached to the inner wall of the ash conveying system can be removed and then cleaned. This process can be completed by one machine, without the need for multiple machines to be used in turn, which can reduce the money spent by the factory for purchasing multiple machines for ash cleaning, and in turn can reduce the economic expenditure required by the factory for production.
[0043] As Figures 12 to 14As shown, in the embodiment, the wind wall manufacturing module 18 includes a third string of air tanks 1801, the inner wall of the third string of air tanks 1801 is provided with the double-blowing assisting function module 17, the third string of air tanks 1801 is threadedly connected with the double-blowing assisting function module 17 through connecting bolts, the surface of the third string of air tanks 1801 is fixedly connected with a blowing end base 1802, and the surface of the blowing end base 1802 is fixedly connected with a gas jet nozzle 1803.
[0044] One end of the third string of air tanks 1801 is fixedly connected with a third threaded joint 1804, the surface of the third threaded joint 1804 is threadedly connected with a second electromagnetic valve 1805, one end of the second electromagnetic valve 1805 is threadedly connected with a third gas connection pipe 1806, and one end of the third gas connection pipe 1806 is threadedly connected with the gas storage bin 10.
[0045] The third string of air tanks 1801 is installed on the second string of air tanks 1710 of the double-blowing assisting function module 17 through connecting bolts, the third string of air tanks 1801, the blowing end base 1802 and the third threaded joint 1804 are integrally formed, the gas jet nozzle 1803 is welded on the blowing end base 1802, the second electromagnetic valve 1805 is connected to the third threaded joint 1804, and the third gas connection pipe 1806 is installed between the second electromagnetic valve 1805 and the gas storage bin 10.
[0046] The gas in the gas storage bin 10 enters the third gas connection pipe 1806, when the double-blowing assisting function module 17 starts to work, the second electromagnetic valve 1805 of the wind wall manufacturing module 18 needs to be started synchronously, then the gas in the third gas connection pipe 1806 passes through the second electromagnetic valve 1805 and enters the third string of air tanks 1801, the gas stays in the third string of air tanks 1801 for a short time, then enters the gas jet nozzle 1803, and finally is sprayed out of the gas jet nozzle 1803, forming a gas wall to block the ash from drifting to the place that has been cleaned.
[0047] By arranging the wind wall manufacturing module 18, in the ash cleaning process, a wind wall is manufactured by using the module to block the ash blown up during the ash cleaning, preventing the ash from drifting to the place that has been cleaned, which can improve the ash cleaning effect of the device to a certain extent and improve the blowing assisting efficiency of the device to a certain extent.
[0048] The electrical components appearing in the text are all electrically connected with a main controller and 220V mains, and the main controller can be a conventional known device such as a computer.
[0049] The use method of the blowing assisting device of the power plant ash conveying system includes the following steps: Step one, the pipeline in charge of ash conveying in power plant is placed between the hollow circular sleeve 2 and the hollow ash conveying pipe 3, the third air pump 20 is started, the gas is input into the hollow circular sleeve 2 through the air inlet pipe 21, the gas stays in the hollow circular sleeve 2 for a short time and then enters the air bag 19, after the air bag 19 is inflated, the air bag 19 expands to fix the ash conveying pipeline, the hollow ash conveying pipe 3, the circular sealing plate 4 and the circular sealing ring 5 are needed to be installed in the ash conveying pipeline, the circular sealing plate 4 and the circular sealing ring 5 cooperate with each other, the circular sealing ring 5 is used to prevent the ash from entering the space between the circular sealing plate 4 and the middle circular plate 1, the middle of the device is hollow, so it will not affect the conveying of ash, when the ash accumulates in the ash conveying pipeline, the first air pump 13 and the second air pump 14 need to be started at this time; The gas of the first air pump 13 enters the sealed corrugated pipe 11, after the internal gas is filled, it will make the originally compressed sealed corrugated pipe 11 stretch, so as to drive the gas storage bin 10 to move forward, at this time, the gas storage bin 10 can move more smoothly in the ash conveying pipeline through the rotating wheel 16, when the gas storage bin 10 moves, the coil spring 9 stretches with it, the gas of the second air pump 14 enters the gas storage bin 10 through the gas conveying corrugated pipe 12, and the gas storage bin 10 provides gas support for the double blowing function module 17 and the wind wall manufacturing module 18, when the gas storage bin 10 moves, the double blowing function module 17 is started to emit gas cannon and blow strong wind to disperse the accumulated ash in the ash conveying pipeline and clean the ash on the inner wall, and the wind wall manufacturing module 18 is started synchronously to emit gas to form a gas wall to prevent the blown ash from scattering to the cleaned place; Step two, when the gas storage bin 10 moves, the gas in it enters the first gas tank 1701 through the first gas connecting pipe 1703, the gas is temporarily stored in the first gas tank 1701, at this time, according to the actual need, when the ash conveying pipeline is blocked, the pressure increasing valve 1704 is started to increase the pressure of the gas to be output in the first gas tank 1701, after a certain pressure is reached, the program in the pressure increasing valve 1704 is automatically started to emit the pressurized gas through the gas cannon emitting pipe 1705, so as to disperse the accumulated ash, the gas in the gas storage bin 10 enters the second gas connecting pipe 1713, the first electromagnetic valve 1712 is started to make the gas in the second gas connecting pipe 1713 enter the second gas tank 1710 through the first electromagnetic valve 1712, the gas in the second gas tank 1710 passes through the L-shaped nozzle 1714 and is finally sprayed out of the L-shaped nozzle 1714, so as to clean the ash on the inner wall of the ash conveying pipeline; Step three, the gas in the gas storage 10 enters the third gas pipe 1806, when the double auxiliary blowing function module 17 starts to work, the second electromagnetic valve 1805 of the wind wall manufacturing module 18 needs to be started synchronously, then the gas in the third gas pipe 1806 passes through the second electromagnetic valve 1805 and enters the third gas tank 1801, the gas stays in the third gas tank 1801 for a short time, then enters the air jet nozzle 1803, and finally is sprayed out of the air jet nozzle 1803, forming a gas wall to block the ash from drifting to the place to be cleaned.
[0050] The technical scheme provided by the present application is as follows: the pipeline responsible for ash conveying in the power plant is arranged between the hollow circular sleeve 2 and the hollow ash conveying pipeline 3, the third air pump 20 is started, and the gas is input into the hollow circular sleeve 2 through the air inlet pipe 21, the gas stays in the hollow circular sleeve 2 for a short time and then enters the air bag 19, after the air bag 19 is inflated, the air bag 19 expands to fix the pipeline for conveying ash, the hollow ash conveying pipeline 3, the circular sealing plate 4 and the circular sealing ring 5 are arranged in the pipeline for conveying ash, the circular sealing plate 4 and the circular sealing ring 5 cooperate with each other, the circular sealing ring 5 is used to prevent the ash from entering the space between the circular sealing plate 4 and the intermediate circular plate 1, the intermediate part of the device is hollow, so the device does not affect the conveying of the ash, when the ash accumulates in the pipeline for conveying ash, the first air pump 13 and the second air pump 14 need to be started, the gas of the first air pump 13 enters the sealed bellows 11, after the inside of the sealed bellows 11 is filled with the gas, the compressed sealed bellows 11 is stretched, so that the gas storage bin 10 moves forward, the gas storage bin 10 moves more smoothly in the pipeline for conveying ash through the rotating wheel 16, when the gas storage bin 10 moves, the coil spring 9 is stretched, the gas of the second air pump 14 enters the gas storage bin 10 through the gas conveying bellows 12, and the gas storage bin 10 provides gas support for the double auxiliary blowing function module 17 and the wind wall manufacturing module 18, when the gas storage bin 10 moves, the double auxiliary blowing function module 17 is started to emit the gas cannon and blow the strong wind to disperse the accumulated ash in the pipeline for conveying ash and clean the ash on the inner wall, the wind wall manufacturing module 18 is started synchronously to emit the gas to form the gas wall to prevent the blown ash from scattering to the cleaned place, when the gas storage bin 10 moves, the gas in the gas storage bin 10 enters the first gas connection pipe 1703 and is temporarily stored in the first gas tank 1701, when the pipeline for conveying ash is blocked, the pressure valve 1704 is started to increase the pressure of the gas to be output from the first gas tank 1701, after the pressure reaches a certain value, the program in the pressure valve 1704 is automatically started to emit the pressurized gas through the gas cannon emission pipe 1705, so that the accumulated ash is dispersed, the gas in the gas storage bin 10 enters the second gas connection pipe 1713, the first electromagnetic valve 1712 is started to make the gas in the second gas connection pipe 1713 enter the second gas tank 1710 through the first electromagnetic valve 1712, the gas in the second gas tank 1710 passes through the L-shaped nozzle 1714 and is finally sprayed out of the L-shaped nozzle 1714, so that the ash on the inner wall of the pipeline for conveying ash is cleaned, the gas in the gas storage bin 10 enters the third gas connection pipe 1806, when the double auxiliary blowing function module 17 starts to work, the second electromagnetic valve 1805 of the wind wall manufacturing module 18 is started synchronously, so that the gas in the third gas connection pipe 1806 passes through the second electromagnetic valve 1805 and enters the third gas tank 1801, the gas stays in the third gas tank 1801 for a short time, then enters the gas nozzle 1803 and is finally sprayed out of the gas nozzle 1803 to form a gas wall,Block the ash from drifting to the place where the ash pipe is cleaned.
[0051] Working principle and method of use: Step one: equipment installation. Put the equipment on the ash conveying pipe, and the hollow ash conveying pipe 3 extends into the pipe. Start the third air pump 20 to inflate the air bag 19, clamp the pipe, and complete the installation. The circular sealing ring 5 ensures the sealing of the interface to prevent ash from entering the interior of the equipment.
[0052] Step two: start moving forward. When ash needs to be cleaned, start the first air pump 13 and the second air pump 14. The first air pump 13 stretches the closed-end bellows 11, pushes the gas storage bin 10 carrying the cleaning module to move forward in the pipe, and the coil spring 9 is stretched. The second air pump 14 continuously fills high-pressure gas into the gas storage bin 10.
[0053] Step three: synchronous cleaning. During the advancement of the gas storage bin 10, the cleaning function is started synchronously: Double assisted blowing: Air cannon impact: gas enters the first string of air tanks 1701, and after the pressure valve 1704 is instantaneously pressurized, it is shot out from the air cannon launch pipe 1705, breaking up large clumps of ash.
[0054] Strong wind sweeping: gas enters the second string of air tanks 1710 through the first electromagnetic valve 1712, and is sprayed out from the L-shaped nozzle 1714, sweeping the pipe wall clean.
[0055] Wind wall isolation: the second electromagnetic valve 1805 is started synchronously, and gas is sprayed from the air jet 1803 to form a gas wall, blocking the spread of ash backward.
[0056] Step four: job completion and reset. After cleaning is completed, the first air pump 13 can be controlled to deflate, the coil spring 9 contracts, and the gas storage bin 10 is pulled back to its original position. Finally, the air bag 19 is deflated and the equipment is removed.
[0057] High integration: the functions of movement, gas supply, impact, blowing, and anti-diffusion are integrated into one device, which can complete complex ash cleaning tasks, reducing procurement and maintenance costs.
[0058] Double cleaning mechanism: the combination of "point impact" of the air cannon and "surface blowing" of the strong wind has high efficiency in cleaning different forms of ash.
[0059] Innovative anti-secondary pollution design: the application of the wind wall module solves the problem of "the more you clean, the dirtier it gets" in traditional ash cleaning methods, significantly improving ash cleaning quality and efficiency.
[0060] Automation and intelligence: the entire process can be automatically controlled by a controller (such as PLC) to control each air pump and electromagnetic valve, achieving precise operation and reducing manual intervention.
[0061] Convenient and reliable installation: air bag clamping type installation is adopted, which is fast and convenient, has no damage to the pipeline, and has good sealing performance.
[0062] The present application encompasses any alternatives, modifications, equivalent methods and solutions made to the essence and scope of the present application. In order to make the public have a thorough understanding of the present application, specific details are described in the following preferred embodiments of the present application, and the present application can also be fully understood without the description of these details to those skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the present application, well-known methods, processes, procedures, elements and circuits are not described in detail.
[0063] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can also be made, which should be considered as the protection scope of the present application.
Claims
1. A soot conveying system of a power plant for assisting blowing, characterized in that The utility model relates to a kind of air conveying devices, including intermediate circular plate (1), the surface of the intermediate circular plate (1) is equipped with first circular hole, the two ends of the intermediate circular plate (1) are equipped with second circular hole, the two ends of the intermediate circular plate (1) are sequentially fixedly connected with hollow circular sleeve (2) and hollow ash pipe (3) from front to back, one end of the hollow ash pipe (3) is fixedly connected with circular sealing plate (4), the surface of the circular sealing plate (4) is equipped with circular sealing ring (5), the surface of the hollow ash pipe (3) is equipped with vertical plate (6), the vertical plate (6) is screw-connected with hollow ash pipe (3) by vertical plate bolt, the front of the vertical plate (6) is equipped with rotating rod hole, the inside of the rotating rod hole is installed short rotating rod (7).
2. The power plant ash handling system assist draft device of claim 1, wherein, One end of the short rotating rod (7) is fixedly connected with thick rotating rod (8), the surface of the thick rotating rod (8) is installed coil spring (9), the top of the coil spring (9) is equipped with coil spring threaded hole, the inside of the coil spring threaded hole is screw-connected with coil spring bolt, the coil spring (9) is screw-connected with gas storage bin (10) by coil spring bolt, one end of the gas storage bin (10) is sequentially fixedly connected with end-closed bellows (11) and gas conveying bellows (12) from front to back, one end of the end-closed bellows (11) is screw-connected with first air pump (13).
3. The power plant ash handling system assist draft device of claim 2, wherein, The first air pump (13) is screw-connected with hollow ash pipe (3) by first air pump bolt, one end of the gas conveying bellows (12) is screw-connected with second air pump (14), the second air pump (14) is screw-connected with hollow ash pipe (3) by second air pump bolt, the surface of the gas storage bin (10) is fixedly connected with vertical plate (15), the surface of the vertical plate (15) is equipped with rotating wheel hole, the inside of the rotating wheel hole is installed rotating wheel (16), the other end of the gas storage bin (10) is equipped with double-blowing function module (17), one end of the double-blowing function module (17) is equipped with wind wall manufacturing module (18).
4. The power plant ash handling system assist draft device of claim 1, wherein, The inside wall of the hollow circular sleeve (2) is equipped with air bag (19), the surface of the hollow circular sleeve (2) is equipped with third air pump (20), the third air pump (20) is screw-connected with hollow circular sleeve (2) by third air pump bolt, the top of the third air pump (20) is equipped with air inlet pipe (21), the third air pump (20) is installed hollow circular sleeve (2) by air inlet pipe (21), one end of the circular sealing plate (4) is sequentially equipped with first bellows hole, coil spring adaptation hole and second bellows hole from front to back, the first bellows hole and end-closed bellows (11) are mutually adapted, the coil spring adaptation hole and coil spring (9) are mutually adapted, the second bellows hole and gas conveying bellows (12) are mutually adapted.
5. The power plant ash handling system assist draft device of claim 3, wherein, The double auxiliary blowing function module (17) comprises a first string gas tank (1701), the surface of the first string gas tank (1701) is fixedly connected with a first threaded joint (1702), one end of the first string gas tank (1701) is provided with a gas storage bin (10), the first string gas tank (1701) is threadedly connected with the gas storage bin (10) through a string gas tank bolt, and the surface of the first threaded joint (1702) is threadedly connected with a first gas receiving pipe (1703).
6. The power plant ash conveying system assist air device of claim 5, wherein, The inner wall of the first string gas tank (1701) is provided with a booster valve threaded hole, the booster valve threaded hole is threadedly connected with a booster valve (1704), one end of the booster valve (1704) is threadedly connected with a gas cannon launching tube (1705), the upper surface of the gas cannon launching tube (1705) is provided with a hinge (1706), the gas cannon launching tube (1705) is installed with a circular opening and closing door (1707) through the hinge (1706), one end of the circular opening and closing door (1707) is fixedly connected with a weight block (1708), and one end of the first string gas tank (1701) is fixedly connected with a connecting column (1709).
7. The power plant ash conveying system assist air device of claim 6, wherein, One end of the connecting column (1709) is fixedly connected with a second string gas tank (1710), one end of the second string gas tank (1710) is fixedly connected with a second threaded joint (1711), the surface of the second threaded joint (1711) is threadedly connected with a first electromagnetic valve (1712), one end of the first electromagnetic valve (1712) is threadedly connected with a second gas receiving pipe (1713), one end of the second gas receiving pipe (1713) is threadedly connected with a gas storage bin (10), and the other end of the second string gas tank (1710) is provided with an L-shaped nozzle threaded hole, and the inner wall of the L-shaped nozzle threaded hole is threadedly connected with an L-shaped nozzle (1714).
8. The power plant ash conveying system assist air device of claim 3, wherein, The wind wall manufacturing module (18) comprises a third string gas tank (1801), the inner wall of the third string gas tank (1801) is provided with a double auxiliary blowing function module (17), the third string gas tank (1801) is threadedly connected with the double auxiliary blowing function module (17) through a connecting bolt, the surface of the third string gas tank (1801) is fixedly connected with a blowing end base (1802), and the surface of the blowing end base (1802) is fixedly connected with a gas jet nozzle (1803).
9. The power plant ash conveying system assist air device of claim 8, wherein, One end of the third string gas tank (1801) is fixedly connected with a third threaded joint (1804), the surface of the third threaded joint (1804) is threadedly connected with a second electromagnetic valve (1805), one end of the second electromagnetic valve (1805) is threadedly connected with a third gas receiving pipe (1806), and one end of the third gas receiving pipe (1806) is threadedly connected with a gas storage bin (10).
10. A method of using an auxiliary blowing device of a fly ash handling system of a power plant according to any one of claims 1 to 9, characterized in that, The method comprises the following steps: Step one, the pipeline responsible for the ash in the power plant is placed between the hollow circular sleeve (2) and the hollow ash conveying pipe (3), the third air pump (20) is started, the gas is input into the hollow circular sleeve (2) through the air inlet pipe (21), the gas stays in the hollow circular sleeve (2) for a short time and then enters the air bag (19), after the air bag (19) is inflated, the air bag (19) expands to fix the ash conveying pipeline, the hollow ash conveying pipe (3), the circular sealing plate (4) and the circular sealing ring (5) need to be installed in the ash conveying pipeline, the circular sealing plate (4) and the circular sealing ring (5) cooperate with each other, the circular sealing ring (5) is used to prevent ash from entering the space between the circular sealing plate (4) and the middle circular plate (1), the middle of the device is hollow, so it will not affect the conveying of ash, when the ash accumulates in the ash conveying pipeline, the first air pump (13) and the second air pump (14) need to be started at this time; The gas of the first air pump (13) enters the sealed bellows (11), after the internal gas is filled, it will make the originally compressed sealed bellows (11) stretch, so as to drive the gas storage bin (10) to move forward, at this time, the gas storage bin (10) can move more smoothly in the ash conveying pipeline through the runner (16), when the gas storage bin (10) moves, the coil spring (9) stretches with it, and the gas of the second air pump (14) enters the gas storage bin (10) through the gas conveying bellows (12), and the gas storage bin (10) provides gas support for the double auxiliary blowing function module (17) and the wind wall manufacturing module (18), when the gas storage bin (10) moves, the double auxiliary blowing function module (17) is started to emit gas cannon and blow strong wind to disperse the accumulated ash in the ash conveying pipeline, and clean the ash on the inner wall, and the wind wall manufacturing module (18) is started synchronously to emit gas to form a gas wall to prevent the blown ash from scattering to the cleaned place; Step two, when the gas storage bin (10) moves, the gas in it enters the first gas tank (1701) through the first gas connection pipe (1703), and the gas is temporarily stored in the first gas tank (1701), at this time, according to the actual need, when the ash conveying pipeline is blocked, the pressure increasing valve (1704) is started to increase the pressure of the gas to be output in the first gas tank (1701), after a certain pressure is reached, the program in the pressure increasing valve (1704) is started automatically, so that the pressurized gas is emitted through the gas cannon emission pipe (1705), so as to disperse the accumulated ash, the gas in the gas storage bin (10) enters the second gas connection pipe (1713), the first electromagnetic valve (1712) is started to make the gas in the second gas connection pipe (1713) enter the second gas tank (1710) through the first electromagnetic valve (1712), the gas in the second gas tank (1710) passes through the L-shaped nozzle (1714) and is finally sprayed from the L-shaped nozzle (1714), so as to clean the ash on the inner wall of the ash conveying pipeline; Step three, the gas in the gas storage (10) into the third gas pipe (1806), when the double auxiliary blowing function module (17) starts to work, the second electromagnetic valve (1805) of the wind wall manufacturing module (18) needs to be started synchronously, and then the gas in the third gas pipe (1806) passes through the second electromagnetic valve (1805) and enters the third gas tank (1801). The gas stays in the third gas tank (1801) for a short time, then enters the air jet nozzle (1803), and finally is sprayed out of the air jet nozzle (1803), forming a gas wall to block the ash from drifting to the place to be cleaned.
Citation Information
Patent Citations
A temperature and pressure control system and method for auxiliary soot blowing in thermal power plant boilers
CN112432151B