CN219688734U - Raw coal bin fluidization blanking assembly and device - Google Patents

Abstract

The utility model discloses a raw coal bin fluidization blanking assembly and device, which relate to the technical field of raw coal bins of thermal power plants and comprise a raw coal fluidization mechanism, wherein the raw coal fluidization mechanism comprises a guide cylinder body and a fluidization cavity penetrating through the middle part of the guide cylinder body.

Description

Raw coal bin fluidization blanking assembly and device

Technical Field

The utility model relates to the technical field of raw coal bins of thermal power plants, in particular to a raw coal bin fluidization blanking assembly and device.

Background

The raw coal bunker is an important device of a power generation device in a power plant, and mainly plays a role in combustion power generation in a power generation process so as to ensure that the effect of stably generating power is realized.

In the existing raw coal bin structure, the upper opening is used for feeding, the lower opening is used for discharging, materials fall down by self weight from top to bottom, and the falling materials flow in the bucket wall, so that the smaller the flow area is, the extrusion is formed on the materials; meanwhile, due to the increase of the density of raw coal, the friction coefficient between the raw coal and the bucket wall is increased, and the adhesion between fine raw coal with larger water content and the bucket wall often causes blockage; in addition, the moisture content, the thickness ratio and the heat conduction quantity of the materials are changed, the storage time of the materials in a container is long, and the like, and the blocked positions are mostly at the joint of a cement coal bucket and a steel coal bucket, in the range, due to the reasons of slower flow speed of raw coal of the bucket wall, higher material density, faster heat conduction and the like, the bucket wall starts to bond thin-layer materials, the friction force is increased after bonding, then the materials extend towards the center direction, the thickness is gradually increased, and finally the materials are blocked, so that coal breakage of a coal feeder is caused.

The existing defects are as follows:

1) Raw coal can rub with the bucket wall when falling in the raw coal bin, coal ash is adsorbed on the bucket wall along with the increase of the friction coefficient between the raw coal and the bucket wall, and fine raw coal with high water content is easily adhered to the bucket wall of the raw coal bin, so that the discharging lower opening of the raw coal bin is blocked;

2) The existing raw coal bin can not discharge redundant air in the raw coal bin, and the spontaneous combustion probability of the raw coal in the raw coal bin can not be effectively reduced.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model is provided in view of the problem that the raw coal bin in the prior art is blocked in discharging of a lower opening due to adhesion of coal ash and fine raw coal with high water content to a bucket wall.

Therefore, the utility model aims to provide a raw coal bunker fluidization blanking assembly.

In order to solve the technical problems, the utility model provides the following technical scheme: a raw coal bin fluidization blanking assembly, which comprises,

the raw coal fluidization mechanism comprises a guide cylinder body and a fluidization cavity penetrating through the middle part of the guide cylinder body;

raw coal unloading mechanism, including annular cover shell and the annular cavity that sets up in annular cover shell inside, ring gear is still installed to the inside of annular cavity.

Based on the technical characteristics: according to the scheme, through the vent holes formed in one side of the bottom of the diversion cylinder and the plurality of groups of nitrogen fluidization holes formed in one side of the plurality of groups of gas diversion plates, nitrogen can be diverted into the diversion cylinder, when raw coal materials fall down by self weight from top to bottom, nitrogen fluidization layers can be formed at the positions of the raw coal bin blanking positions by the nitrogen gas ejected from the plurality of groups of nitrogen fluidization holes, the falling raw coal materials can be subjected to directional fluidization, the contact surface of the raw coal materials and the bucket wall can be effectively reduced, the falling resistance of the raw coal materials in the coal bin can be effectively reduced, and therefore the problem that the raw coal bin blanking mouth is blocked due to the fact that coal ash and fine raw coal with high water content adhere to the bucket wall can be solved;

according to the scheme, the annular gear can be limited and connected in the annular cavity through the T-shaped limiting block additionally arranged at the bottom of the inner cavity of the annular cavity and the T-shaped limiting groove formed in the bottom of the annular gear, the ash cleaning scraping brush additionally arranged at the edge of one side of the rotary blanking blade is in contact fit with the inner wall of the fluidization cavity, when the annular gear is driven by transmission equipment, a plurality of groups of rotary blanking blades additionally arranged at the periphery of the top can be driven to do rotary motion in the inner part of the guide cylinder, the rotary blanking effect can be achieved on raw coal materials falling in the guide cylinder, meanwhile, the inner wall of the guide cylinder can be scraped and cleaned, and the condition that coal ash is blocked in a nitrogen fluidization hole can be effectively prevented;

according to the raw coal bin fluidization blanking assembly, the structural design is novel, in the using process, through the raw coal fluidization mechanism, the falling raw coal materials can be subjected to directional fluidization, the contact surface between the raw coal materials and the bucket wall can be effectively reduced, the falling resistance of the raw coal materials in the coal bin can be effectively reduced, the raw coal blanking mechanism is matched, the falling raw coal materials in the guide cylinder body can be subjected to rotary blanking, meanwhile, the inner wall of the guide cylinder body can be scraped and cleaned, the situation that coal ash is blocked in a nitrogen fluidization hole can be effectively prevented, and accordingly the problem that the coal ash and fine raw coal with large water content are adhered to the bucket wall to cause the discharging blockage of the lower opening of the raw coal bin can be solved.

As a preferable scheme of the raw coal bunker fluidization blanking component, the raw coal bunker fluidization blanking component comprises the following components: the T-shaped limiting block is arranged at the bottom of the inner cavity of the annular cavity, and an annular limiting groove is further formed in the top of the annular cavity.

Based on the technical characteristics: according to the scheme, the T-shaped limiting block is additionally arranged at the bottom of the inner cavity of the annular cavity, so that the rotating annular gear can be limited and guided.

As a preferable scheme of the raw coal bunker fluidization blanking component, the raw coal bunker fluidization blanking component comprises the following components: t-shaped limiting grooves are formed in the bottom of the ring gear, the T-shaped limiting grooves are matched with the T-shaped limiting block in structure, and sliding fit is achieved between the T-shaped limiting grooves and the T-shaped limiting blocks.

Based on the technical characteristics: because the T-shaped limiting groove is in sliding fit with the T-shaped limiting block, the ring gear can be limited and connected in the annular cavity.

As a preferable scheme of the raw coal bunker fluidization blanking component, the raw coal bunker fluidization blanking component comprises the following components: the top of the ring gear is provided with a plurality of groups of rotary blanking blades, an ash cleaning scraping brush is further arranged at the edge of one side of the rotary blanking blades, and the ash cleaning scraping brush is in contact fit with the inner wall of the fluidization cavity.

Based on the technical characteristics: because the ash removal scraping brush is in contact fit with the inner wall of the fluidization cavity, the inner wall of the guide cylinder body can be scraped and cleaned, and the situation that coal ash is blocked in the nitrogen fluidization holes can be effectively prevented.

As a preferable scheme of the raw coal bunker fluidization blanking component, the raw coal bunker fluidization blanking component comprises the following components: the outer wall of the guide cylinder body is provided with a plurality of groups of positioning plates at the periphery, one side of the bottom of the guide cylinder body is provided with a vent hole, and the bottom end of the guide cylinder body is also provided with a double-thread ring.

Based on the technical characteristics: the double-thread ring is additionally arranged at the bottom end of the guide cylinder body, and is used for dismounting and connecting the guide cylinder body and the annular casing.

As a preferable scheme of the raw coal bunker fluidization blanking component, the raw coal bunker fluidization blanking component comprises the following components: a plurality of groups of gas flow dividing plates are arranged around the inner wall of the fluidization cavity, and a plurality of groups of nitrogen fluidization holes are further formed in one side of each group of gas flow dividing plates.

Based on the technical characteristics: according to the scheme, the nitrogen fluidization holes are formed in one side of the gas flow distribution plate, so that the nitrogen gas forms a nitrogen fluidization layer at the blanking position of the raw coal bin, and the falling raw coal materials can be subjected to directional fluidization.

As a preferable scheme of the raw coal bunker fluidization blanking component, the raw coal bunker fluidization blanking component comprises the following components: raw coal unloading mechanism is still including running through the unloading through-hole of seting up at annular cover shell middle part, the outside that is close to annular spacing groove of annular cover shell has still seted up double-thread groove all around, double-thread groove and double-thread ring structure assorted, be screw-thread fit between double-thread groove and the double-thread ring, the drive mouth has still been seted up to outside one side of annular cover shell.

Based on the technical characteristics: according to the scheme, the double-thread groove is formed in the periphery of the top of the annular casing, the double-thread groove is in threaded fit with the double-thread ring, and the guide cylinder body and the annular casing can be disassembled, assembled, connected, maintained and replaced according to the use condition.

The raw coal bin fluidization blanking assembly has the beneficial effects that: the raw coal bin fluidization blanking assembly is novel in structural design, in the using process, through the raw coal fluidization mechanism, the falling raw coal materials can be subjected to directional fluidization, the contact surface between the raw coal materials and the bucket wall can be effectively reduced, the falling resistance of the raw coal materials in the coal bin can be effectively reduced, the raw coal blanking mechanism is matched, the falling raw coal materials in the guide cylinder body can be subjected to rotary blanking, meanwhile, the inner wall of the guide cylinder body can be scraped and cleaned, the situation that coal ash is blocked in a nitrogen fluidization hole can be effectively prevented, and accordingly the problem that the raw coal bin blanking is blocked due to adhesion of coal ash and fine raw coal with large water content on the bucket wall can be solved.

In view of the fact that in the actual use process, the existing raw coal bin cannot be used for expelling redundant air in the raw coal bin, and the probability of spontaneous combustion of raw coal in the raw coal bin cannot be effectively reduced.

In order to solve the technical problems, the utility model also provides the following technical scheme: the raw coal bunker device of the power plant comprises a raw coal bunker fluidization blanking component and,

the multifunctional raw coal bin is located outside of raw coal fluidization mechanism, the multifunctional raw coal bin includes a lower bin body, a plurality of groups of constant head tanks have been seted up around the inside of lower bin body, constant head tanks and locating plate structure assorted, for grafting cooperation between constant head tanks and the locating plate, bottom one side of lower bin body is provided with nitrogen gas storage bottle, be connected with nitrogen gas fluidization pipeline between nitrogen gas storage bottle and the lower bin body, one side that nitrogen gas storage bottle was kept away from to the lower bin body still installs drive unit.

Based on the technical characteristics: this scheme is through a plurality of groups constant head tanks of seting up respectively around the internal portion of lower feed bin. The guide cylinder body can be limited and connected in the inner cavity of the multifunctional raw coal bin, nitrogen gas can be conveyed into the guide cylinder body through a nitrogen storage bottle and a nitrogen fluidization pipeline which are additionally arranged at one side of the bottom of the lower feed bin body, a nitrogen fluidization layer can be formed at the blanking position of the lower feed bin body by utilizing the guide cylinder body, coal ash and fine raw coal with high water content can be prevented from adhering to the bucket wall, air in the lower feed bin body can be effectively discharged, raw coal materials and air can be isolated, and the spontaneous combustion probability of the raw coal materials in the lower feed bin body can be effectively reduced;

according to the scheme, the transmission shaft and the driving fluted disc are additionally arranged at the output end of the driving motor, the driving fluted disc is in meshed connection with the ring gear, and when the driving motor is electrified, the driving motor can drive the rotary blanking blades arranged at the top of the raw coal blanking mechanism;

according to the structure design of the raw coal bin device of the power plant, the structure design is novel, in the using process, nitrogen gas can be conveyed into the guide cylinder body through the nitrogen storage bottle and the nitrogen fluidization pipeline, the guide cylinder body can be utilized to form a nitrogen fluidization layer at the discharging position of the discharging bin body, coal ash and fine raw coal with large water content can be prevented from being adhered to the bucket wall, air in the discharging bin body can be effectively discharged, and the probability of spontaneous combustion of raw coal materials in the discharging bin body can be effectively reduced while the raw coal materials and the air are isolated.

As a preferred embodiment of the raw coal bunker device of the power plant according to the utility model, wherein: the transmission part comprises a supporting box body, and a driving motor is arranged at the top of the supporting box body.

Based on the technical characteristics: the driving motor is additionally arranged at the top of the supporting box body and used for driving the rotary blanking blade.

As a preferred embodiment of the raw coal bunker device of the power plant according to the utility model, wherein: the output end of the driving motor is provided with a transmission shaft, one end of the transmission shaft is also provided with a driving fluted disc, the driving fluted disc is positioned in the driving fluted disc, and the driving fluted disc is connected with the ring gear in a meshed manner.

Based on the technical characteristics: because the driving fluted disc is connected with the ring gear in a meshed manner, when the driving motor is electrified, the rotary blanking blade arranged at the top of the raw coal blanking mechanism can be driven.

The raw coal bin device of the power plant has the beneficial effects that: the raw coal bin device of the power plant is novel in structural design, in the using process, nitrogen gas can be conveyed into the guide cylinder body through the nitrogen storage bottle and the nitrogen fluidization pipeline, a nitrogen fluidization layer can be formed at the discharging position of the discharging bin body by utilizing the guide cylinder body, coal ash and fine raw coal with larger water content can be prevented from being adhered to the bucket wall, air in the discharging bin body can be effectively discharged, and the probability of spontaneous combustion of raw coal materials in the discharging bin body can be effectively reduced while the raw coal materials and the air are isolated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram of a coal fluidization mechanism of a raw coal bin fluidization blanking assembly;

FIG. 2 is a schematic diagram of a raw coal discharging mechanism of a raw coal bunker fluidization discharging assembly;

FIG. 3 is a schematic diagram of a guide cylinder structure of a raw coal bunker fluidization blanking assembly;

FIG. 4 is a schematic view of the annular casing structure of the raw coal bunker fluidization blanking assembly;

fig. 5 is a schematic diagram of a multifunctional raw coal bunker of the raw coal bunker device of the power plant;

FIG. 6 is a schematic diagram of a positioning groove structure of a raw coal bin device of a power plant;

fig. 7 is a schematic diagram of a driving fluted disc structure of a raw coal bunker device of a power plant.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 3, in order to provide a first embodiment of the present utility model, the embodiment provides a raw coal bin fluidization blanking assembly capable of solving the problem of discharging and blocking of a blanking port of a raw coal bin in the prior art caused by adhesion of coal ash and fine raw coal with high water content to a bucket wall,

the raw coal fluidization mechanism 100 comprises a guide cylinder body 101 and a fluidization cavity 102 penetrating through the middle part of the guide cylinder body 101;

raw coal blanking mechanism 200 includes annular sleeve 201 and annular cavity 202 that opens in annular sleeve 201 inside, and ring gear 203 is still installed to the inside of annular cavity 202.

Specifically, the bottom of the inner cavity of the annular cavity 202 is provided with a T-shaped limiting block 202a, the top of the annular cavity 202 is also provided with an annular limiting groove 202b, and the rotating ring gear 203 can be limited and guided by the T-shaped limiting block 202a additionally arranged at the bottom of the inner cavity of the annular cavity 202.

Further, a T-shaped limiting groove 203a is formed in the bottom of the ring gear 203, the T-shaped limiting groove 203a is matched with the T-shaped limiting block 202a in structure, and the T-shaped limiting groove 203a is in sliding fit with the T-shaped limiting block 202 a.

Wherein, because the T-shaped limiting groove 203a is in sliding fit with the T-shaped limiting block 202a, the ring gear 203 can be limited and connected in the ring cavity 202.

In sum, this scheme is through the air vent 101b that sets up in water conservancy diversion barrel 101 bottom one side to and a plurality of group nitrogen gas fluidization hole 102b that set up respectively in a plurality of group gas flow distribution plate 102a one side, can lead nitrogen gas to the inside of water conservancy diversion barrel 101, when raw coal material falls by the dead weight from top to bottom, the nitrogen gas that sprays out in a plurality of group nitrogen gas fluidization hole 102b can form the nitrogen fluidized bed in raw coal bunker unloading department, can play directional fluidization's effect to the raw coal material that falls, can effectually reduce the contact surface of raw coal material and bucket wall, still can effectually reduce the resistance that the raw coal material falls at the coal bunker, thereby can solve coal ash and the great thin raw coal adhesion of moisture content on the bucket wall and lead to the problem that the raw coal bunker lower mouth is discharged the jam.

Example 2

Referring to fig. 2 to 4, in a second embodiment of the present utility model, unlike the previous embodiment, the present utility model provides a raw coal bin fluidization blanking assembly capable of solving the problem of blockage of the blanking mouth of the raw coal bin caused by adhesion of coal ash and fine raw coal with a large water content to the hopper wall in the prior art,

a plurality of groups of rotary blanking blades 203b are arranged at the top of the ring gear 203, a dust removing scraping brush 203c is further arranged at the edge of one side of the rotary blanking blades 203b, the dust removing scraping brush 203c is in contact fit with the inner wall of the fluidization cavity 102, and the dust removing scraping brush 203c is in contact fit with the inner wall of the fluidization cavity 102, so that the inner wall of the guide cylinder 101 can be scraped and cleaned, and the condition that coal dust is blocked in the nitrogen fluidization holes 102b can be effectively prevented.

Specifically, a plurality of groups of positioning plates 101a are arranged around the outer wall of the guide cylinder body 101, a vent hole 101b is formed in one side of the bottom of the guide cylinder body 101, a double-thread ring 101c is further arranged at the bottom end of the guide cylinder body 101, and the double-thread ring 101c is additionally arranged at the bottom end of the guide cylinder body 101 and used for dismounting connection between the guide cylinder body 101 and the annular casing 201.

Further, a plurality of groups of gas flow dividing plates 102a are arranged around the inner wall of the fluidization cavity 102, a plurality of groups of nitrogen fluidization holes 102b are further formed in one side of the plurality of groups of gas flow dividing plates 102a, and through the plurality of groups of nitrogen fluidization holes 102b formed in one side of the gas flow dividing plates 102a, nitrogen gas can form a nitrogen fluidization layer at the raw coal bin blanking position, and the falling raw coal materials can be subjected to directional fluidization.

Preferably, the raw coal blanking mechanism 200 further comprises a blanking through hole 204 penetrating through the middle of the annular casing 201, a double-thread groove 205 is further formed around the outer side of the annular casing 201, which is close to the annular limiting groove 202b, the double-thread groove 205 is matched with the double-thread ring 101c in structure, the double-thread groove 205 is in threaded fit with the double-thread ring 101c, and a driving opening 206 is further formed in one side of the outer portion of the annular casing 201.

When the novel double-thread sleeve is used, the double-thread groove 205 is formed in the periphery of the top of the annular sleeve 201, the double-thread groove 205 is in threaded fit with the double-thread ring 101c, and the guide cylinder body 101 and the annular sleeve 201 can be disassembled, assembled, connected, maintained and replaced according to the use condition.

In summary, this scheme is through the T type stopper 202a that installs additional in annular cavity 202 inner chamber bottom to and the T type spacing groove 203a that sets up in ring gear 203 bottom, can be with the spacing connection of ring gear 203 in annular cavity 202's inside, through the deashing of installing additional in rotatory blanking blade 203b one side edge scrape the brush 203c, and the deashing is scraped and is the contact cooperation between brush 203c and the inner wall of fluidization cavity 102, when ring gear 203 is driven by transmission equipment, can drive a plurality of rotatory unloading blade 203b of installing all around in the top and do rotary motion in the inside of water conservancy diversion barrel 101, can play rotatory unloading effect to the raw coal material that falls inside water conservancy diversion barrel 101, simultaneously, can also scrape the inner wall to water conservancy diversion barrel 101 and clean, can effectually prevent the condition that the coal ash from blocking from appearing in nitrogen gas fluidization hole 102 b.

Example 3

Referring to fig. 5 to 7, in a third embodiment of the present utility model, unlike the previous embodiment, the present utility model provides a raw coal bin device for a power plant, which solves the problems that the existing raw coal bin cannot displace the redundant air therein and cannot effectively reduce the spontaneous combustion probability of the raw coal in the raw coal bin, and includes,

the multifunctional raw coal bin 300, the multifunctional raw coal bin 300 is located the outside of raw coal fluidization mechanism 100, the multifunctional raw coal bin 300 includes a lower bin body 301, a plurality of groups of constant head tanks 302 are arranged around the inside of the lower bin body 301, the constant head tanks 302 are matched with the structure of the positioning plate 101a, the constant head tanks 302 are in plug-in fit with the positioning plate 101a, a nitrogen storage bottle 303 is arranged on one side of the bottom of the lower bin body 301, a nitrogen fluidization pipeline 304 is connected between the nitrogen storage bottle 303 and the lower bin body 301, and a transmission part 305 is further arranged on one side of the lower bin body 301 away from the nitrogen storage bottle 303.

Specifically, the transmission unit 305 includes a supporting box 305a, and a driving motor 305b is mounted on the top of the supporting box 305a, and is used for driving the rotary blanking blade 203b by adding the driving motor 305b on the top of the supporting box 305 a.

Further, the output end of the driving motor 305b is provided with a driving shaft 305b-1, one end of the driving shaft 305b-1 is further provided with a driving fluted disc 305b-2, the driving fluted disc 305b-2 is located inside the driving fluted disc 305b-2, the driving fluted disc 305b-2 is in meshed connection with the ring gear 203, and the driving fluted disc 305b-2 is in meshed connection with the ring gear 203, so that when the driving motor 305b is powered on, the driving motor can drive the rotary blanking blade 203b arranged at the top of the raw coal blanking mechanism 200.

In summary, the scheme is characterized in that a plurality of groups of positioning grooves 302 are respectively formed in the periphery of the inner part of the lower bin body 301. And a plurality of groups of positioning plates 101a are respectively arranged on the periphery of the outer wall of the guide cylinder body 101, the guide cylinder body 101 can be limited and connected in the inner cavity of the multifunctional raw coal bin 300, nitrogen gas can be conveyed into the guide cylinder body 101 through a nitrogen storage bottle 303 and a nitrogen fluidization pipeline 304 which are additionally arranged on one side of the bottom of the lower feed bin body 301, a nitrogen fluidization layer can be formed at the blanking position of the lower feed bin body 301 by utilizing the guide cylinder body 101, coal ash and fine raw coal with high water content can be prevented from adhering to the bucket wall, air in the lower feed bin body 301 can be effectively discharged, raw coal materials and air can be isolated, and the spontaneous combustion probability of the raw coal materials in the lower feed bin body 301 can be effectively reduced.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a former coal bunker fluidization unloading subassembly which characterized in that: comprising the steps of (a) a step of,

the raw coal fluidization mechanism (100) comprises a guide cylinder body (101) and a fluidization cavity (102) which is formed in the middle of the guide cylinder body (101) in a penetrating manner; the method comprises the steps of,

raw coal unloading mechanism (200) includes annular cover shell (201) and annular cavity (202) that have seted up in annular cover shell (201) inside, ring gear (203) are still installed to the inside of annular cavity (202).

2. The raw coal bunker fluidization blanking assembly of claim 1, wherein: the T-shaped limiting block (202 a) is arranged at the bottom of the inner cavity of the annular cavity (202), and an annular limiting groove (202 b) is further formed in the top of the annular cavity (202).

3. The raw coal bunker fluidization blanking assembly of claim 1 or 2, wherein: t-shaped limiting grooves (203 a) are formed in the bottom of the ring gear (203), the T-shaped limiting grooves (203 a) are matched with the T-shaped limiting blocks (202 a) in structure, and the T-shaped limiting grooves (203 a) are in sliding fit with the T-shaped limiting blocks (202 a).

4. A raw coal bunker fluidization blanking assembly as claimed in claim 3, wherein: a plurality of groups of rotary blanking blades (203 b) are arranged at the top of the ring gear (203), an ash cleaning scraping brush (203 c) is further arranged at the edge of one side of the rotary blanking blades (203 b), and the ash cleaning scraping brush (203 c) is in contact fit with the inner wall of the fluidization cavity (102).

5. The raw coal bunker fluidization blanking assembly of claim 1, wherein: the outer wall of the guide cylinder body (101) is provided with a plurality of groups of positioning plates (101 a) around, one side of the bottom of the guide cylinder body (101) is provided with a vent hole (101 b), and the bottom end of the guide cylinder body (101) is also provided with a double-thread ring (101 c).

6. The raw coal bunker fluidization blanking assembly of claim 1, wherein: a plurality of groups of gas flow dividing plates (102 a) are arranged around the inner wall of the fluidization cavity (102), and a plurality of groups of nitrogen fluidization holes (102 b) are further formed in one side of each group of gas flow dividing plates (102 a).

7. The raw coal bunker fluidization blanking assembly of claim 1 or 5, wherein: raw coal unloading mechanism (200) is still including running through and seting up unloading through-hole (204) at annular cover shell (201) middle part, annular cover shell (201) be close to outside all around of annular spacing groove (202 b) still has seted up double-thread groove (205), double-thread groove (205) and double-thread ring (101 c) structure assorted, be screw thread cooperation between double-thread groove (205) and double-thread ring (101 c), drive mouth (206) have still been seted up to outside one side of annular cover shell (201).

8. A raw coal bunker device of a power plant, which is characterized in that: comprising the raw coal bunker fluidization blanking assembly according to any one of claims 1 to 7, and,

the multifunctional raw coal bin (300), the multifunctional raw coal bin (300) is located the outside of raw coal fluidization mechanism (100), the multifunctional raw coal bin (300) includes a lower feed bin body (301), a plurality of groups of constant head tanks (302) have been seted up around the inside of lower feed bin body (301), constant head tanks (302) and locating plate (101 a) structure phase-match, be pegging graft cooperation between constant head tanks (302) and locating plate (101 a), bottom one side of lower feed bin body (301) is provided with nitrogen gas storage bottle (303), be connected with nitrogen gas fluidization pipeline (304) between nitrogen gas storage bottle (303) and the lower feed bin body (301), one side that lower feed bin body (301) kept away from nitrogen gas storage bottle (303) still installs drive unit (305).

9. The power plant raw coal bunker apparatus of claim 8, wherein: the transmission part (305) comprises a supporting box body (305 a), and a driving motor (305 b) is installed at the top of the supporting box body (305 a).

10. The raw coal bunker apparatus of claim 9, wherein: the output end of the driving motor (305 b) is provided with a transmission shaft (305 b-1), one end of the transmission shaft (305 b-1) is also provided with a driving fluted disc (305 b-2), the driving fluted disc (305 b-2) is positioned in the driving fluted disc (305 b-2), and the driving fluted disc (305 b-2) is in meshed connection with the ring gear (203).