CN112938516A - Continuous automatic feeding and conveying system suitable for fluidized bed boiler - Google Patents
Continuous automatic feeding and conveying system suitable for fluidized bed boiler Download PDFInfo
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- CN112938516A CN112938516A CN202110129071.1A CN202110129071A CN112938516A CN 112938516 A CN112938516 A CN 112938516A CN 202110129071 A CN202110129071 A CN 202110129071A CN 112938516 A CN112938516 A CN 112938516A
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- fluidized bed
- ultrasonic sensor
- bed boiler
- conveyor belt
- automatic feeding
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- 230000007246 mechanism Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 44
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 9
- 206010044048 Tooth missing Diseases 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/76—Fixed or adjustable ploughs or transverse scrapers
- B65G47/766—Adjustable ploughs or transverse scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/16—Over-feed arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
本发明涉及一种适用于流化床锅炉的连续式自动喂料输送系统，包括地板和振动机构，所述地板的上端从左至右依次设置有流化床锅炉和支架，所述支架的上端从左至右依次安装有第一电机、第二超声波传感器、第三超声波传感器和拨料板，所述第一电机的前端通过皮带与输送带滚筒相连接。本发明的有益效果是：该适用于流化床锅炉的连续式自动喂料输送系统，通过调节第一超声波传感器、第二超声波传感器和第三超声波传感器的相关参数实现物料检测范围、高度的变化，提高系统的适用性，结构简单、操作简易、可调节性强、可靠性强、能有效实现物料的自动喂料输送，解决了现有输送机依赖人工操作、自动化程度低、物料输送效率低等问题。
The invention relates to a continuous automatic feeding and conveying system suitable for a fluidized bed boiler. A first motor, a second ultrasonic sensor, a third ultrasonic sensor and a feeding plate are sequentially installed from left to right, and the front end of the first motor is connected with the conveyor belt roller through a belt. The beneficial effects of the present invention are: the continuous automatic feeding and conveying system suitable for the fluidized bed boiler realizes changes in the detection range and height of materials by adjusting the relevant parameters of the first ultrasonic sensor, the second ultrasonic sensor and the third ultrasonic sensor , Improve the applicability of the system, simple structure, easy operation, strong adjustability, strong reliability, can effectively realize the automatic feeding and conveying of materials, and solve the problem that the existing conveyor relies on manual operation, low degree of automation, and low material conveying efficiency. And other issues.
Description
Technical Field
The invention relates to the technical field of fluidized bed boiler appliances, in particular to a continuous automatic feeding and conveying system suitable for a fluidized bed boiler.
Background
The fluidized bed boiler desulfurization is a kind of in-furnace combustion desulfurization process, use limestone as desulfurization absorbent, fire coal and limestone are fed into from the boiler combustion chamber inferior part, the primary air is fed into from the air distribution plate inferior part, the overgrate air is fed into from the middle part of the combustion chamber, at present domestic fluidized bed boiler is basically equipped with the feed system of the supplies, in order to transport the supplies into the boiler feeder hopper, and then reach the internal combustion of fluidized bed boiler.
The existing feeding conveying system is mainly fed by means of manual operation in the operation process, and due to the fact that materials cannot be quantitatively conveyed, the problem of uneven discharging can occur when the materials enter a boiler feeding hopper, the feeding of the feeding system is unstable, the fluctuation of starting and stopping of a conveying belt is large, the feeding hopper is frequently blocked or lacks materials, the purpose of continuous automatic feeding of the whole system cannot be achieved, the combustion efficiency in the boiler is seriously influenced, and meanwhile, the problems of great adverse influence on the combustion stability and the economic operation of the boiler are also caused.
Disclosure of Invention
The invention aims to provide a continuous automatic feeding conveying system suitable for a fluidized bed boiler, and aims to solve the problems that the existing feeding conveying system in the background art mainly depends on manual operation for feeding, the feeding is not quantitative due to the fact that materials cannot be conveyed, the discharging is not uniform when the materials enter a feed hopper of the boiler, the feeding of the feeding system is not stable, the fluctuation of the start and stop of a conveying belt is large, the feed hopper is frequently blocked or short of materials, the continuous automatic feeding of the whole system cannot be achieved, the combustion efficiency in the boiler is seriously influenced, and the stable combustion and the economic operation of the boiler are also adversely influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic feed conveying system of continuous type suitable for fluidized bed boiler, includes floor and vibration mechanism, fluidized bed boiler and support have been set gradually from a left side to the right side in the upper end on floor, and fluidized bed boiler's one side from last to having set gradually first ultrasonic sensor and boiler feeder hopper down, vibration mechanism is located the front end of boiler feeder hopper, first motor, second ultrasonic sensor, third ultrasonic sensor and switch board are installed in proper order to the right side from a left side to the upper end of support, and the right side of support is connected with the silo, the front end of first motor is connected with the conveyer belt cylinder through the belt, and the external connection of conveyer belt cylinder has the conveyer belt.
Preferably, the conveyer belt roller passes through the belt and constitutes revolution mechanic between first motor and the support, and the width of conveyer belt roller slightly is less than the import width of boiler feeder hopper.
Preferably, the width of the conveyor belt rollers is the same as the width of the conveyor belt, and two conveyor belt rollers are arranged on the left side and the right side of the conveyor belt.
Preferably, the distance between the second ultrasonic sensor and the conveyor belt and the distance between the third ultrasonic sensor and the conveyor belt are slightly larger than the distance between the switch plate and the conveyor belt, and the distance between the second ultrasonic sensor and the conveyor belt is consistent with the distance between the third ultrasonic sensor and the conveyor belt.
Preferably, the vibration mechanism comprises a box body, a second motor, a gear, a rack rod, a collision head, a spring and a guide rod, the second motor is arranged inside the box body, one side of the second motor is connected with the gear, the lower end of the gear is connected with the rack rod, the rear end of the rack rod is connected with the collision head, and the rear end of the rack rod is sequentially connected with the spring and the guide rod from the middle to the upper side and the lower side.
Preferably, the outer surface of the gear is engaged with the upper surface of the rack bar, and the outer surface of the gear is incomplete teeth.
Preferably, the rack bar and the impact head are bonded, and the rack bar and the spring are fixedly connected.
Preferably, the rack bar and the box body form an elastic structure through a spring, the rack bar and the box body form a sliding structure through a guide rod, and the guide rods are symmetrically arranged in two relative to the spring.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the change of the material detection range and height is realized by adjusting the relevant parameters of the first ultrasonic sensor, the second ultrasonic sensor and the third ultrasonic sensor, the applicability of the system is improved, the structure is simple, the operation is simple and easy, the adjustability is strong, the reliability is strong, the automatic feeding and conveying of materials can be effectively realized, and the problems of dependence on manual operation, low automation degree, low material conveying efficiency and the like of the existing conveyor are solved.
2. The invention controls the conveying quantity and the uniformity of materials by adjusting the height of the material shifting plate, and can also adjust the record value of the first ultrasonic sensor to the lowest highest position of the height of the materials in the boiler feed hopper, and control the feeding quantity of the materials burned by the boiler each time so as to achieve the continuous automatic feeding of the system.
3. According to the invention, the rack rod can be driven to move through the rotation of the gear, then the rack rod can rebound to impact the boiler feed hopper by means of the elastic structure formed by the rack rod and the box body through the spring when the gear rotates to the tooth-missing position, so that the boiler feed hopper shakes to prevent materials from adhering to the surface of the boiler feed hopper and being unavailable to be used, thereby causing waste, and meanwhile, the impact head can reduce the noise generated when the rack rod impacts the boiler feed hopper.
Drawings
FIG. 1 is a schematic front perspective view of a continuous automatic feed delivery system for a fluidized bed boiler according to the present invention;
FIG. 2 is an enlarged schematic view of the position A in FIG. 1 of the continuous automatic feeding and conveying system for a fluidized bed boiler according to the present invention;
FIG. 3 is an enlarged schematic view of the position B in FIG. 1 of the continuous automatic feeding and conveying system for a fluidized bed boiler according to the present invention;
FIG. 4 is a schematic diagram of an enlarged side view cross-sectional structure of a vibrating mechanism of a continuous automatic feeding and conveying system for a fluidized bed boiler according to the present invention;
FIG. 5 is an enlarged schematic view of the rear view cross section of the vibrating mechanism of the continuous automatic feeding and conveying system for a fluidized bed boiler according to the present invention.
In the figure: 1. a fluidized bed boiler; 2. a first ultrasonic sensor; 3. a boiler feed hopper; 4. a belt; 5. a first motor; 6. a conveyor belt drum; 7. a second ultrasonic sensor; 8. a conveyor belt; 9. a third ultrasonic sensor; 10. a kick-out plate; 11. a trough; 12. a floor; 13. a vibration mechanism; 1301. a box body; 1302. a second motor; 1303. a gear; 1304. a rack bar; 1305. a striking head; 1306. a spring; 1307. a guide bar; 14. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a continuous automatic feeding and conveying system suitable for a fluidized bed boiler comprises a floor 12 and a vibration mechanism 13, wherein the upper end of the floor 12 is sequentially provided with a fluidized bed boiler 1 and a bracket 14 from left to right, one side of the fluidized bed boiler 1 is sequentially provided with a first ultrasonic sensor 2 and a boiler feed hopper 3 from top to bottom, the vibration mechanism 13 is positioned at the front end of the boiler feed hopper 3, the vibration mechanism 13 comprises a box body 1301, a second motor 1302, a gear 1303, a rack rod 1304, a striking head 1305, a spring 1306 and a guide rod 1307, the second motor 1302 is installed in the box body 1301, one side of the second motor 1302 is connected with the gear 1303, the lower end of the gear 1303 is connected with the rack rod 1304, the rear end of the rack rod 1304 is connected with the striking head 1305, the rear end of the rack rod 1304 is sequentially connected with the spring 1306 and the guide rod 1307 from the middle to the upper side and the lower side, the outer surface, the outer surface of the gear 1303 is incomplete teeth, the rack bar 1304 and the impact head 1305 are adhered, the rack bar 1304 and the spring 1306 are fixedly connected, the rack bar 1304 and the box 1301 form an elastic structure through the spring 1306, the rack bar 1304 and the box 1301 form a sliding structure through a guide rod 1307, the guide rods 1307 are symmetrically arranged in two relative to the spring 1306, the rack bar 1304 can be driven to move through the rotation of the gear 1303, then the rack bar 1304 can rebound and impact the boiler feed hopper 3 through the elastic structure formed between the spring 1306 and the box 1301 when the gear 1303 rotates to the tooth-missing position, the gear 1303 is rotated to the tooth-missing position, the material is prevented from being adhered to the surface of the boiler feed hopper 3, waste is avoided, and the impact head 1305 can reduce noise generated when the rack bar 1304 impacts the boiler feed hopper 3;
the upper end of the support 14 is sequentially provided with the first motor 5, the second ultrasonic sensor 7, the third ultrasonic sensor 9 and the material shifting plate 10 from left to right, the right side of the support 14 is connected with the material groove 11, the distance between the second ultrasonic sensor 7 and the third ultrasonic sensor 9 and the conveying belt 8 is slightly larger than the distance between the material shifting plate 10 and the conveying belt 8, the distance between the second ultrasonic sensor 7 and the third ultrasonic sensor 9 and the conveying belt 8 is consistent, the change of the material detection range and the height is realized by adjusting the relevant parameters of the first ultrasonic sensor 2, the second ultrasonic sensor 7 and the third ultrasonic sensor 9, the applicability of the system is improved, the structure is simple, the operation is simple and easy, the adjustability is strong, the reliability is strong, the automatic feeding and conveying of materials can be effectively realized, the problems that the existing conveyor depends on manual operation, the automation degree is low, The material conveying efficiency is low;
the conveying amount and the uniformity of the materials are controlled by adjusting the height of the material shifting plate 10, the recording value of the first ultrasonic sensor 2 to the lowest highest position of the height of the materials in the feed hopper 3 of the boiler can also be adjusted, and the feeding amount of the materials combusted by the boiler each time is controlled, so that the continuous automatic feeding of the system is realized;
the front end of first motor 5 is connected with conveyer belt cylinder 6 through belt 4, and the external connection of conveyer belt cylinder 6 has conveyer belt 8, and conveyer belt cylinder 6 constitutes revolution mechanic through between belt 4 and first motor 5 and the support 14, and conveyer belt cylinder 6's width slightly is less than the import width of boiler feeder hopper 3, and conveyer belt cylinder 6's width is unanimous with conveyer belt 8's width size, and conveyer belt cylinder 6 is provided with two in the left and right sides of conveyer belt 8.
In conclusion, when the continuous automatic feeding and conveying system suitable for the fluidized bed boiler is used, a start button in a control electric box is pressed to start the equipment, a first motor 5 drives a conveying belt roller 6 to rotate through a belt 4, at the moment, a sensing control system consisting of a first ultrasonic sensor 2, a second ultrasonic sensor 7 and a third ultrasonic sensor 9 is also started, when a conveying belt 8 runs for a certain time, if the third ultrasonic sensor 9 still does not detect a material signal, the conveying belt 8 stops working, an alarm lamp is turned on, a buzzer prompts that a material tank 11 does not contain the material and needs to be put in the material, if the ultrasonic sensor 1 detects the material signal, the conveying belt 8 continues working, and when the second ultrasonic sensor 7 and the first ultrasonic sensor 2 sequentially detect the material signals, the first ultrasonic sensor 2 starts to detect the height of the material in a feeding hopper 3 of the boiler, and the lowest position is recorded as H1, until the height of the detected material is the highest position H2, the first motor 5 stops working, the conveyer belt 8 does not continue to convey the material, the boiler feed hopper 3 puts the material into the fluidized bed boiler 1 for combustion, at the same time, the second motor 1302 is opened to drive the gear 1303 to rotate so as to make the rack bar 1304 move forward, when the gear 1303 rotates to the place without teeth, the rack bar 1304 rebounds to impact the boiler feed hopper 3 through the elastic telescopic structure formed between the spring 1306 and the guide rod 1307 and the box body 1301 by means of the rack bar 1304, so as to shake off the material adhered to the boiler feed hopper 3, when the height of the material detected by the first ultrasonic sensor 2 is less than or equal to H1, the first motor 5 starts working, the conveyer belt 8 continues to convey the material, and stops working until the height of the material is detected as the highest position H2, the whole fluidized bed boiler continuous feeding automatic conveying system continuously repeats the, meanwhile, the height of the material poking plate 10 can be adjusted to control the conveying amount and uniformity of the materials.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110129071.1A CN112938516B (en) | 2021-01-29 | 2021-01-29 | Continuous automatic feeding and conveying system suitable for fluidized bed boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110129071.1A CN112938516B (en) | 2021-01-29 | 2021-01-29 | Continuous automatic feeding and conveying system suitable for fluidized bed boiler |
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| Publication Number | Publication Date |
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| CN112938516A true CN112938516A (en) | 2021-06-11 |
| CN112938516B CN112938516B (en) | 2022-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114560315A (en) * | 2022-03-25 | 2022-05-31 | 青海丽豪半导体材料有限公司 | Silica flour transportation lifting device |
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| CN112938516B (en) | 2022-12-13 |
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