CN218721629U

CN218721629U - Eccentric rotary stokehole feeding mechanism

Info

Publication number: CN218721629U
Application number: CN202221555892.8U
Authority: CN
Inventors: 蒋琪; 刘建; 鲍朝阳; 席易人; 伍旭东
Original assignee: Zhejiang Hengxin Electric Power Co ltd
Current assignee: Zhejiang Hengxin Electric Power Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-03-24
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses an eccentric rotatory stokehold feed mechanism relates to biomass fuel application technical field. The feeding control device comprises a discharging channel, a feeding shell is fixedly connected to the bottom end of the discharging channel, a secondary conveyor belt is rotatably connected to the inner side of the feeding shell, a crushing and drying device is fixedly connected to one end of the feeding shell, and a feeding bin is fixedly connected to the bottom end of the crushing and drying device. The utility model discloses a feeding control device adjusts, has guaranteed biomass fuel's normal burning in the boiler, has avoided bridging blocking phenomenon's emergence to can change corresponding feed baffle according to different biomass fuel's physical characteristic. And a crushing and drying device is arranged, and biomass raw materials are heated and dried by using the waste heat of the boiler flue gas. The fireproof spraying device is laid inside the boiler feeding bin, the rotary spraying anti-blocking spray head is installed, and the processing capacity is improved under emergency conditions to guarantee safe production and operation.

Description

Eccentric rotary stokehole feeding mechanism

Technical Field

The utility model relates to a biomass fuel uses technical field, specifically is an eccentric formula rotary furnace front feed mechanism.

Background

When the biomass fuel is used, agricultural and forestry wastes and the like are generally used as raw materials, the raw materials are made into various irregular shapes (such as blocks, particles and the like) through processes of crushing, mixing, extruding, drying and the like, the biomass fuel is convenient to convey and burn, the biomass fuel is stored in a fuel bin, and then the biomass fuel in the fuel bin is directly conveyed to a boiler through a rotary material taking auger to be burnt.

In the process of adding biomass fuel in a fuel bunker into a boiler, in order to control the feeding amount, a secondary seeding roller is often arranged at a discharge port of the fuel bunker, and the feeding roller controls the stop and the feeding of a discharge port of the fuel bunker so as to control the feeding amount in front of the boiler. However, the seeding roller is inconvenient to control and poor in flexibility, the feeding amount cannot be accurately adjusted, and the blockage or winding is very easy to occur when the feeding roller encounters a common particle material, so that the feeding amount of the boiler is always fluctuated in actual production, the normal combustion of biomass fuel in the boiler is influenced, even the bridging blockage phenomenon is generated, the normal operation of the feeding process is influenced, and accidents such as tempering and the like are caused. Meanwhile, the biomass raw materials are wide in source, and the climate influence has inevitable influence on the quality of the raw materials in the storage and transportation processes, so that the water content ratio of the biomass fuel in storage is greatly different. The moisture control of biomass fuels will directly affect boiler load and operating conditions. The broken back of biomass fuel can produce the dust, and the dust piles up easily in the feed bin before getting into the boiler, and the fire star is anti-cluster when the furnace malleation is easy when the disconnected material condition appears in the boiler feed, arouses the feed bin to catch fire. Therefore, an eccentric rotary stokehole feeding mechanism is developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric formula rotary furnace front feed mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an eccentric rotatory stokehold feed mechanism, includes feed control device, feed control device includes the unloading passageway, the top fixedly connected with unloading bottom plate of unloading passageway, top one side fixedly connected with storage hopper of unloading bottom plate, one side fixedly connected with of storage hopper rotates the backup pad, the top fixedly connected with who rotates the backup pad rotates the motor, the output fixedly connected with axis of rotation of rotating the motor, the bottom of axis of rotation communicates to the below of unloading bottom plate, fixedly connected with unloading control panel, the bottom fixedly connected with material loading shell of unloading bottom plate, the inboard rotation of material loading shell is connected with the second grade conveyer belt, the one end fixedly connected with crushing and drying device of material loading shell, the bottom fixedly connected with feeding storehouse of crushing and drying device, the one end fixedly connected with heating furnace of feeding storehouse.

Preferably, one side of the feeding shell is rotatably connected with a feeding opening and closing door, one side of the feeding shell is fixedly connected with a conveying motor, the secondary conveying belt comprises a conveying belt main body, the inner sides of two ends of the conveying belt main body are respectively connected with a driving wheel in a transmission mode, and one of the driving wheels is fixedly connected with the output end of the conveying motor.

Preferably, the outer fixed surface of conveyer belt main part is connected with a series of baffles, every the baffle includes a baffle chassis, the inboard one end sliding connection of baffle chassis has No. two carriages, the inboard other end sliding connection of baffle chassis has a carriage, a carriage and No. two carriage sliding connection.

Preferably, a series of springs are fixedly connected to one side of the bottom end of the first sliding frame, one ends of the springs are fixedly connected to one side of the bottom end of the second sliding frame, and a baffle main body is clamped between the first sliding frame and the second sliding frame.

Preferably, the crushing and drying device comprises a crushing shell, a drying air inlet pipe is fixedly arranged on one side of the crushing shell, one end of the drying air inlet pipe is communicated to the inside of the heating furnace, an air exhaust pipe is fixedly connected to the top end of the crushing shell, and a condensation pipe is fixedly connected to the outer side of the air exhaust pipe.

Preferably, a rotatory stokehold feed mechanism of eccentric formula, it is preferred, the feeding storehouse includes the bin shell, the inboard one end fixedly connected with discharge gate flame inductor of bin shell, the fixed inlet tube that is provided with in top of bin shell, the bottom mounting of inlet tube is provided with rotatory spraying and prevents stifled shower nozzle, rotatory spraying prevents stifled shower nozzle and discharge gate flame inductor electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

this rotatory stokehold feed mechanism of eccentric formula adjusts through feed control device, falls into the second grade conveyer belt on according to predetermined feed rate steadily, has guaranteed the normal burning of biomass fuel in the boiler, has avoided bridging blocking phenomenon's emergence, safe and reliable. Through changing pivot driving motor's rotational speed, convenient and fast ground adjusts biomass fuel's feed volume to can change corresponding feed baffle according to different biomass fuel's physical characteristics, easily operation, the flexibility is good. The center line of the rotating shaft and the center line of the secondary conveyer belt are positioned in different vertical planes to form an eccentric structure, so that the biomass fuel only falls on the feeding baffle on one side of the rotating shaft, the smooth rotation of the rotating shaft is ensured, the load of a rotating motor is reduced, the working stability is good, and the service life is long; set up crushing and drying device, utilize boiler flue gas waste heat to heat biomass raw materials, utilize the exhaust tube on drying equipment top to take moisture content out fast, through the condenser pipe cooling again with condensate recovery. Laying fire prevention spray set in boiler feeding storehouse inside, the rotatory stifled shower nozzle of preventing that sprays of installation realizes all-round coverage according to the feed bin structure, and the chain booster pump that sprays of discharge gate flame inductor realizes opening automatically and stops. The processing capacity is improved under the emergency condition, and the safe production operation is ensured.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of the feeding control structure of the present invention;

FIG. 3 is a schematic view of the structure of the conveyor belt of the present invention;

FIG. 4 is a schematic view of the baffle structure of the present invention;

FIG. 5 is a schematic view of the pulverizing and drying structure of the present invention;

fig. 6 is the schematic view of the feeding bin structure of the present invention.

In the figure: 1. a feed control device; 101. a storage hopper; 102. a blanking bottom plate; 103. a blanking control panel; 104. a blanking channel; 105. a rotating shaft; 106. rotating the support plate; 107. rotating the motor; 2. a feeding opening and closing door; 3. a feeding shell; 4. a secondary conveyor belt; 401. a conveyor belt body; 402. a baffle plate; 421. a baffle body; 422. a sliding frame I; 423. a spring; 424. a second sliding frame; 425. a baffle chassis; 403. a transfer motor; 5. a crushing and drying device; 501. a crushing fixing seat; 502. crushing the shell; 503. drying the air inlet pipe; 504. a crushing roller; 505. a condenser tube; 506. an air exhaust pipe; 6. a feeding bin; 601. a water inlet pipe; 602. a bin housing; 603. a discharge port flame sensor; 604. rotating and spraying the anti-blocking spray head; 7. and (5) heating the furnace.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-6, the utility model provides a technical solution:

the utility model provides an eccentric rotatory stokehold feed mechanism, includes feed control device 1, feed control device 1 includes unloading passageway 104, the top fixedly connected with unloading bottom plate 102 of unloading passageway 104, in this embodiment, one unloading groove has been seted up to one side of unloading bottom plate 102, top one side fixedly connected with storage hopper 101 of unloading bottom plate 102, and one side at storage hopper 101 place is just one side of unloading groove, therefore the material can get into in the unloading passageway 104 through the unloading groove after putting into storage hopper 101. A rotating support plate 106 is fixedly connected to one side of the material storage hopper 101, a rotating motor 107 is fixedly connected to the top end of the rotating support plate 106, a rotating shaft 105 is fixedly connected to the output end of the rotating motor 107, the bottom end of the rotating shaft 105 is communicated to the lower part of the blanking bottom plate 102, and a blanking control plate 103 is fixedly connected to the bottom end of the rotating shaft 105. And the lower silo has been seted up equally to one side of unloading control panel 103, and this lower silo is less, and consequently when little lower silo and big lower silo coincide, the material just can fall down, consequently controls the slew velocity of unloading control panel 103, just can control the time that little lower silo used through big lower silo to the volume of control unloading. While the material does not contact the rotating shaft 105, making the rotation more natural. The bottom fixedly connected with material loading shell 3 of unloading bottom plate 102, the inboard rotation of material loading shell 3 is connected with second grade conveyer belt 4, and drying device 5 is smashed to the one end fixedly connected with of material loading shell 3, smashes drying device 5's bottom fixedly connected with feeding storehouse 6, the one end fixedly connected with heating furnace 7 in feeding storehouse 6. One side of material loading shell 3 rotates and is connected with material loading opening and closing door 2, one side fixedly connected with conveying motor 403 of material loading shell 3, and second grade conveyer belt 4 includes conveyer belt main part 401, and the both ends inboard of conveyer belt main part 401 is the transmission connection respectively, and one of them drive wheel and conveying motor 403's output fixed connection. A series of baffles 402 are fixedly connected to the outer surface of the conveyor belt body 401, each baffle 402 comprises a baffle bottom frame 425, a first sliding frame 422 and a second sliding frame 424 are slidably connected to one end of the inner side of the baffle bottom frame 425, and the other end of the inner side of the baffle bottom frame 425. A series of springs 423 are fixedly connected to one side of the bottom end of the first sliding frame 422, one ends of all the springs 423 are fixedly connected to one side of the bottom end of the second sliding frame 424, and a baffle main body 421 is clamped between the first sliding frame 422 and the second sliding frame 424. In this embodiment, the secondary conveyor 4 faces the large chute, so that the falling material falls onto the secondary conveyor 4 and rises as the secondary conveyor 4 rotates. In this embodiment, according to the difference of materials, when different baffle main bodies 421 are adopted, the feeding opening/closing door 2 is opened at this time, the secondary conveyor belt 4 is exposed, and in the first sliding frame 422 and the second sliding frame 424, one side of the second sliding frame 424 is provided with a sliding plate, and the first sliding frame 422 is provided with a corresponding sliding groove, so that the two sliding frames can be pulled out integrally, and after the sliding frames are pulled out, the spring 423 can prop the two sliding frames open, so that the baffle main body 421 therein can be conveniently taken out and replaced, and then the two sliding frames are pressed and inserted into the baffle bottom frame 425, so that the baffle main body 421 is clamped and fixed. Crushing drying device 5 includes crushing shell 502, and crushing fixing base 501 of inside one side fixedly connected with of crushing shell 502 to rotate in crushing shell 502 and connect a crushing roller 504, crushing fixing base 501 and crushing roller 504 are close, set up a motor through crushing shell 502 outward and drive crushing roller 504 and rotate, will fall on the material crushing between crushing fixing base 501 and the crushing roller 504. The fixed stoving intake pipe 503 that is provided with in one side of crushing shell 502, the one end of stoving intake pipe 503 communicates to the inside of heating furnace 7, be provided with the stoving extraction fan in the stoving intake pipe 503, lead to the top of smashing roller 504 with the highly hot air in heating furnace 7, evaporate moisture in the material rapidly, the top fixedly connected with exhaust tube 506 of crushing shell 502, be provided with the extraction fan in the exhaust tube 506, take away the moisture air that produces after the evaporation, the outside fixedly connected with condenser pipe 505 of exhaust tube 506, the moisture air in the exhaust tube 506 condenses into the water droplet, retrieve in dropping into the water tank. The feeding bin 6 comprises a bin outer shell 602, a discharge port flame sensor 603 is fixedly connected to one end of the inner side of the bin outer shell 602, a water inlet pipe 601 is fixedly arranged at the top end of the bin outer shell 602, a rotary spraying anti-blocking spray head 604 is fixedly arranged at the bottom end of the water inlet pipe 601, and the rotary spraying anti-blocking spray head 604 is electrically connected with the discharge port flame sensor 603. When open fire is generated in the feeding bin 6, the sensor starts the rotary spraying anti-blocking spray head 604 to spray water, and the open fire is extinguished.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an eccentric formula rotary furnace front feed mechanism, includes feed control device (1), its characterized in that: the feeding control device (1) comprises a feeding channel (104), a top fixedly connected with feeding bottom plate (102) of the feeding channel (104), a top one side fixedly connected with material storage hopper (101) of the feeding bottom plate (102), one side fixedly connected with rotating support plate (106) of the material storage hopper (101), a top fixedly connected with rotating motor (107) of the rotating support plate (106), an output fixedly connected with rotating shaft (105) of the rotating motor (107), a bottom end of the rotating shaft (105) is communicated to the lower side of the feeding bottom plate (102), a fixedly connected with feeding control panel (103), a bottom fixedly connected with feeding shell (3) of the feeding bottom plate (102), a secondary conveying belt (4) is rotatably connected to the inner side of the feeding shell (3), a crushing and drying device (5) is fixedly connected with one end of the feeding shell (3), a bottom fixedly connected with feeding bin (6) of the crushing and drying device (5), and a heating furnace (7) is fixedly connected with one end of the feeding bin (6).

2. An eccentric rotary stokehole feed mechanism according to claim 1, characterised in that: one side of material loading shell (3) is rotated and is connected with material loading door (2) that opens and shuts, one side fixedly connected with conveying motor (403) of material loading shell (3), second grade conveyer belt (4) are including conveyer belt main part (401), the both ends inboard of conveyer belt main part (401) is the transmission connection separately has a drive wheel, one of them the output fixed connection of drive wheel and conveying motor (403).

3. An eccentric rotary stokehold feed mechanism according to claim 2, characterised in that: the outer fixed surface of conveyer belt main part (401) is connected with a series of baffle (402), every baffle (402) include a baffle chassis (425), the inboard one end sliding connection of baffle chassis (425) has carriage (424) No. two, the inboard other end sliding connection of baffle chassis (425) has carriage (422) No. one, carriage (422) and carriage (424) sliding connection No. two.

4. An eccentric rotary stokehold feed mechanism according to claim 3, characterised in that: a series of springs (423) are fixedly connected to one side of the bottom end of the first sliding frame (422), one end of each spring (423) is fixedly connected to one side of the bottom end of the second sliding frame (424), and a baffle main body (421) is clamped between the first sliding frame (422) and the second sliding frame (424).

5. An eccentric rotary stokehole feed mechanism according to claim 1, characterised in that: the smashing and drying device (5) comprises a smashing shell (502), a drying air inlet pipe (503) is fixedly arranged on one side of the smashing shell (502), one end of the drying air inlet pipe (503) is communicated to the inside of the heating furnace (7), the top end of the smashing shell (502) is fixedly connected with an air exhaust pipe (506), and the outer side of the air exhaust pipe (506) is fixedly connected with a condensing pipe (505).

6. The eccentric rotary stokehole feeding mechanism of claim 1, wherein: feeding storehouse (6) are including bin shell (602), inboard one end fixedly connected with discharge gate flame inductor (603) of bin shell (602), the fixed inlet tube (601) that is provided with in top of bin shell (602), the bottom mounting of inlet tube (601) is provided with the rotation and sprays and prevents stifled shower nozzle (604), the rotation sprays and prevents stifled shower nozzle (604) and discharge gate flame inductor (603) electric connection.