阅读说明：本技术 一种新型循环流化床返料防堵装置及其使用方法 (Novel circulating fluidized bed material returning anti-blocking device and use method thereof ) 是由 李道林 章平衡 吴斌 龚俊 王爱晨 周熠旻 胡一鸣 谈群 蔡迎来 胡晓亮 于 2021-02-03 设计创作，主要内容包括：本发明公开了一种新型循环流化床返料防堵装置及其使用方法,包括返料箱总成、顶盖、光电传感器、驱动电机和搅拌器总成,顶盖设置在返料箱总成的顶部,且成左右对称型分布设置,返料箱总成的顶部设置有顶盖,光电传感器设置在顶盖的底部,且设置在返料箱总成的内侧,该装置通过返料箱与顶盖之间配合,达到了有效限制返料量的效果,解决了以往返料量大小不易控制问题,通过返料箱与分离板之间的配合,达到了可有效进行返料分离控制的效果,解决以往的返料时没有分离易堵塞返料口的问题,通过搅拌叶与切割片之间的配合,达到了可将大颗粒的返料物体均匀切割分离搅拌的效果,解决了以往的大颗粒返料量大时没有将其粉碎堵塞通道的问题。(The invention discloses a novel circulating fluidized bed return material anti-blocking device and a use method thereof, the novel circulating fluidized bed return material anti-blocking device comprises a return material box assembly, a top cover, a photoelectric sensor, a driving motor and a stirrer assembly, wherein the top cover is arranged at the top of the return material box assembly and is distributed in a bilateral symmetry manner, the top cover is arranged at the top of the return material box assembly, the photoelectric sensor is arranged at the bottom of the top cover and is arranged at the inner side of the return material box assembly, the device achieves the effect of effectively limiting the return material amount through the cooperation between the return material box and the top cover, solves the problem that the return material amount is difficult to control in the past, achieves the effect of effectively performing return material separation control through the cooperation between the return material box and a separation plate, solves the problem that the return material port is easily blocked due to no separation in the past, and achieves the effect of uniformly cutting, separating and stirring large-particle return material objects through the cooperation between a stirring, the problem of big granule feed back volume in the past when big does not smash the jam passageway with it is solved.)

1. The utility model provides a novel circulating fluidized bed returns material and prevents stifled device, includes return bin assembly (1), top cap (2), photoelectric sensor (3), driving motor (4) and agitator assembly (5), its characterized in that, top cap (2) set up at the top of return bin assembly (1), and become bilateral symmetry type distribution and set up, the top of return bin assembly (1) is provided with top cap (2), photoelectric sensor (3) set up in the bottom of top cap (2), and set up the inboard at return bin assembly (1), the outside of return bin assembly (1) is provided with driving motor (4), and sets up the position that is close to the bottom in return bin assembly (1), agitator assembly (5) set up the inner chamber at return bin assembly (1), and set up the position that is close to the bottom in the inner chamber.

2. The novel circulating fluidized bed material returning anti-blocking device according to claim 1, wherein the material returning box assembly (1) comprises a material returning box body (101), an output port (102), a material returning inlet (103) and a separating plate (104), the material returning box body (101) is a main frame of the material returning box assembly (1), the output port (102) is arranged at the bottom of the material returning box body (101), the material returning inlet (103) is arranged at the top of the material returning box body (101), and the separating plate (104) is arranged at the inner cavity of the material returning box body (101) and is arranged at the center of the inner cavity.

3. The novel circulating fluidized bed material returning anti-blocking device according to claim 1 or 2, wherein the stirrer assembly (5) comprises a stirrer (501), a stirring blade A (5011), a stirring blade B (5012), a cutting blade A (5013), a cutting blade B (5014) and a heater (5015), the stirrer (501) is a main frame of the stirrer assembly (5), and the outer side of the stirrer is further provided with a water spraying head, the stirring blade A (5011) is equidistantly arranged on the outer side of the stirrer (501) and is arranged on the outer side of the central position, the stirring blade B (5012) is equidistantly arranged on the outer side of the stirrer (501) and is distributed with the stirring blade A (5011) in an alternating structure, the cutting blade A (5013) is equidistantly arranged on the outer side of the stirrer (501) close to the central position, and the cutting blade B (5014) is equidistantly arranged on the outer side of the stirrer (501) far away from the central position, the heaters (5015) are arranged on the outer sides of the stirring blades A (5011) and B (5012) and penetrate through the stirring blades A (5011) and B (5012).

4. The novel anti-blocking device for the returned material of the circulating fluidized bed according to claim 3, wherein the outer sides of the stirring blade A (5011) and the stirring blade B (5012) are provided with knife edges, the cutting blade A (5013) and the cutting blade B (5014) are both arranged in a triangular shape, and the outer sides of the cutting blades are provided with knife edges.

5. The novel anti-blocking device for the material returning of the circulating fluidized bed according to claim 4, wherein the top cover (2) is symmetrically distributed and provided with 2 pieces, and the photoelectric sensors (3) are symmetrically distributed and provided with 4 pieces.

6. The novel anti-blocking device for the returned material of the circulating fluidized bed as claimed in claim 5, wherein the left end and the right end of the stirrer assembly (5) are respectively connected with the symmetrical driving motor (4).

7. The novel anti-blocking device for the returned material of the circulating fluidized bed as claimed in claim 6, wherein the driving motor (4) is of a mute structure, and is symmetrically distributed on the left and right, and is provided with 4, and the stirrer assembly (5) is symmetrically arranged on the left and right, and is provided with 2.

8. The use method of the novel circulating fluidized bed material returning anti-blocking device in claim 7 is characterized by comprising the following steps:

a. firstly, data is set by a main controller, then a starting switch is pressed, at the moment, a top cover (2) is opened towards two sides, materials automatically enter a material returning box body (101) from a material returning inlet (103), sensed information is transmitted to the main controller through the sensing setting of a photoelectric sensor (3), the main controller automatically starts a driving motor (4) to rotate and drives a stirrer assembly (5) to rotate together to stir the materials, and the materials are stirred and then are produced in the next step along with the flow from an output port (102);

b. data is set in a main controller, full-automatic control is achieved, a starting switch is started, a top cover (2) is opened towards two sides, materials enter from a material return port (103) and are effectively separated through a separating plate (104), blockage of the material return inlet is reduced, a driving motor (4) is started and drives a stirring assembly (5) to rotate together through induction of a photoelectric sensor (3), the driving motor (4) rotates forwards and rotates backwards in a group, and stirring blades A (5011) and B (5012) can stir the materials uniformly and can control the output quantity of an output port (102) while stirring;

c. materials enter from the material returning inlet (103), are effectively separated through the separating plate (104) and then enter the stirrer assembly (5) close to the top of the material returning inlet, have larger point material particles and are easy to block, the large-particle materials can be effectively cut into small particles by matching the cutting blade A (5013) and the cutting blade B (5014) arranged on the outer sides, and then the small particles are output from the output port (102) through stirring and cutting to enter the next working procedure;

d. some materials have larger particles, the materials can be preheated, stirred and cut by the heater (5015) arranged at the outer side of the stirring blade A (5011) and the stirring blade B (5012), the large particles of the materials can be effectively heated and melted by the heater (5015), and the stirring and cutting effects are promoted, so that the output port (102) of the materials is not easy to block;

e. the outside of the main part stirring body (501) of agitator assembly (5) still is provided with the sprayer, when the material stops to carry out the returning charge, the water that accessible sprayer was spouted will remain and be stained with the material impurity that covers in stirring leaf and cutting piece and the returning charge case and wash and flow out returning charge box body (501) through the delivery outlet.

Technical Field

The invention relates to the technical field of fluidized bed equipment, in particular to a novel material returning anti-blocking device of a circulating fluidized bed and a using method thereof.

Background

The circulating fluidized bed boiler generally has two coal feeding modes of front wall coal feeding and rear wall return feeder coal feeding, the front wall coal feeding generally adopts the coal feeder coal feeding, the abrasion is serious, the regular coal feeder is frequently needed to be maintained, the rear wall coal feeding generally adopts the return feeder coal feeding, which mainly can return unburned fly ash material flow to a hearth for reburning and can prevent the condition that the coal cannot be fed in time when the front wall coal feeding fails, meanwhile, the traditional fluidized bed return feeder adopts a U-shaped structure, the structure is complex, the resistance to the material is large, and the traditional U-shaped return feeder can only be used in combination with a cyclone separator, if the traditional U-shaped return feeder leaves a positive pressure head working condition formed by the cyclone separator, the traditional U-shaped return feeder is easy to block, the return material is not smooth, the normal work is realized, and the overall effect is not good. Accordingly, the invention provides a novel material returning anti-blocking device of a circulating fluidized bed and a use method thereof.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a novel material returning and anti-blocking device of a circulating fluidized bed and a using method thereof so as to solve the problems in the background technology.

In order to solve the technical problem, the invention aims to realize that: the invention relates to a novel material returning and anti-blocking device of a circulating fluidized bed, which comprises a material returning box assembly, a top cover, a photoelectric sensor, a driving motor and a stirrer assembly, wherein the top cover is arranged at the top of the material returning box assembly and is distributed in a bilateral symmetry manner, the top cover is arranged at the top of the material returning box assembly, the photoelectric sensor is arranged at the bottom of the top cover and is arranged at the inner side of the material returning box assembly, the driving motor is arranged at the outer side of the material returning box assembly and is arranged at a position, close to the bottom, of the material returning box assembly, and the stirrer assembly is arranged in an inner cavity of the material returning box assembly and is arranged at a position, close to the bottom, of the inner cavity.

The invention is further configured to: the material returning box assembly comprises a material returning box body, an output port, a material returning inlet and a separating plate, wherein the material returning box body is a main body frame of the material returning box assembly, the output port is arranged at the bottom of the material returning box body, the material returning inlet is formed in the top of the material returning box body, the separating plate is arranged at the inner cavity of the material returning box body, and the separating plate is arranged at the center of the inner cavity.

The invention is further configured to: the agitator assembly includes stirring body, stirring leaf A, stirring leaf B, cutting piece A, cutting piece B and heater, the stirring body is the main body frame of agitator assembly, and its outside still is provided with the sprinkler bead, the equidistant outside that sets up at the stirring body of stirring leaf A, and set up the outside of putting at the central point, the equidistant stirring leaf B that is provided with in the outside of stirring body, and with stirring leaf A become alternate structure distribution and set up, the equidistant outside that is close to central point at the stirring body that sets up of cutting piece A, the equidistant cutting piece B that is provided with in the outside that the central point put is kept away from to the stirring body, the heater all sets up in the outside of stirring leaf A and stirring leaf B, and runs through in stirring leaf A and stirring leaf B.

The invention is further configured to: the edge of a knife has still been seted up in stirring leaf A and the stirring leaf B outside, cutting piece A and cutting piece B all form the triangular prism and set up, and the edge of a knife has still been seted up in the outside.

The invention is further configured to: the top cover is symmetrically distributed and arranged, the number of the top covers is two, the number of the photoelectric sensors is four, and the photoelectric sensors are symmetrically distributed and arranged on the left and the right.

The invention is further configured to: and the left end and the right end of the stirrer assembly are respectively connected with a symmetrical driving motor.

The invention is further configured to: the driving motor is arranged in a mute structure, and is symmetrically distributed on the left and the right, four driving motors are arranged, and the stirrer assembly is symmetrically arranged on the left and the right, and two driving motors are arranged.

The use method of the novel material returning and anti-blocking device of the circulating fluidized bed comprises the following steps:

a. firstly, setting data by a main controller, then pressing a starting switch, opening a top cover to two sides, automatically enabling materials to enter a material returning box body from a material returning inlet, transmitting sensed information to the main controller through the sensing setting of a photoelectric sensor, automatically starting a driving motor by the main controller to start rotating, driving a stirrer assembly to rotate together, stirring the materials, and carrying out production in the next step along with the outflow from an output port after stirring;

b. the main controller is used for setting data, full-automatic control is achieved, the starting switch is started, the top cover is opened towards two sides, materials enter from the material return port and are effectively separated through the separating plate, the blockage of the material return inlet is reduced, the driving motor is started and drives the stirring assembly to rotate together through the induction of the photoelectric sensor, the driving motor rotates forwards and rotates backwards in a group, and the stirring blades A and B can stir the materials uniformly and control the output quantity of an output port while stirring;

c. the materials enter from the material returning inlet, are effectively separated through the separating plate and then enter the stirrer assembly close to the top of the separating plate, have larger particles and are easy to block, the large-particle materials can be effectively cut into small particles by matching the cutting blade A and the cutting blade B arranged on the outer side, and then the small particles are output from the output port and enter the next working procedure through stirring and cutting;

d. some materials have larger particles, and can be preheated, stirred and cut by the heaters arranged at the outer sides of the stirring blades A and B, and the large-particle materials can be effectively heated and melted by the heaters, so that the stirring and cutting effects are promoted, and the output port of the stirring blade is not easy to block;

e. the outside of the main part stirring body of agitator assembly still is provided with the sprayer, when the material stops to carry out the returning charge, the water that accessible sprayer was spouted will remain to be stained with and cover the material impurity in stirring leaf and cutting piece and returning charge case and wash and flow out the returning charge box body through the delivery outlet.

In conclusion, the invention has the following beneficial effects:

1. the device has reached the result of use that can effectively restrict the return charge volume through the cooperation between return charge case and the top cap, has solved the not easily controlled problem of return charge volume size in the past.

2. The device passes through the cooperation between return bin and the separation plate, has reached the effect that can effectively carry out return material separation control, does not have the separation during the return material in the past and easily blocks up the problem of return material mouth.

3. The device passes through the cooperation between return bin and the photoelectric sensor, has reached the result of use that can control the volume size of return material, and the volume is big easily blockked up the problem of material mouth during having solved the return material in the past.

4. The device passes through the cooperation between driving motor and the agitator assembly, has reached and to have evenly stirred the result of use that effective output can be carried out with the returning charge material body when the returning charge volume is big, has solved between in the past through the fan when the material blows back the volume problem of easily blockking up greatly.

5. The device passes through the cooperation between stirring leaf and the cutting piece, has reached the effect that can evenly cut the separation stirring with the returning charge object of large granule, has solved in the past large granule returning charge volume when big not have with it smash the problem of blockking up the passageway.

6. The device passes through the cooperation between cutting piece and the heater, has reached and can heat the material of big granule and melt the result of use of returning charge again, has solved the difficult problem that decomposes into the tiny particle and returns the charge again of material large granule in the past.

7. The device passes through the cooperation between the stirring body and the sprayer, has reached the returning charge and has ended and to carry out the abluent result of automatic clearance to the residue that its part was stained with and is covered, has solved the manual work of needs in the past and has maintained the relatively loaded down with trivial details problem of wasing.

8. The device structural design is reasonable, is convenient for make things convenient for and maintain and can effectively prevent to block up the function of passageway, has improved production efficiency, and has practiced thrift the cost, the hand labor who reduces, and the practicality is higher.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the structure of the present invention;

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

FIG. 5 is a side view of the structure of the present invention;

FIG. 6 is a schematic structural view of the present invention;

FIG. 7 is a front view of the present invention;

in the figure: 1 return bin assembly, 2 top cover, 3 photoelectric sensor, 4 driving motor, 5 stirrer assembly, 101 return bin, 102 output port, 103 return inlet, 104 separation plate, 501 stirrer, 5011 stirring blade A, 5012 stirring blade B, 5013 cutting blade A, 5014B cutting blade B, 5015 heater.

Detailed Description

For a better understanding of the technical solutions of the present invention, the following preferred embodiments of the present invention are described in conjunction with the specific examples, but it should be understood that the descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent claims of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-7, the present invention provides a technical solution: a novel circulating fluidized bed material returning anti-blocking device comprises a material returning box assembly 1, a top cover 2, a photoelectric sensor 3, a driving motor 4 and a stirrer assembly 5, wherein the top cover 2 is arranged at the top of the material returning box assembly 1 and is distributed in a bilateral symmetry manner, the top of the material returning box assembly 1 is provided with the top cover 2, the photoelectric sensor 3 is arranged at the bottom of the top cover 2 and is arranged at the inner side of the material returning box assembly 1, the driving motor 4 is arranged at the outer side of the material returning box assembly 1 and is arranged at a position, close to the bottom, of the material returning box assembly 1, the stirrer assembly 5 is arranged in an inner cavity of the material returning box assembly 1 and is arranged at a position, close to the bottom, of the inner cavity, the material returning box assembly 1 comprises a material returning box body 101, an output port 102, a material returning inlet 103 and a separating plate 104, the material returning box body 101 is a main body frame of the material returning box assembly 1, the output port, the top of the return box body 101 is provided with a return inlet 103, the separating plate 104 is arranged at the position of an inner cavity of the return box body 101 and is arranged at the central position of the inner cavity, the stirrer assembly 5 comprises a stirrer 501, a stirring blade A5011, a stirring blade B5012, a cutting blade A5013, a cutting blade B5014 and a heater 5015, the stirrer 501 is a main body frame of the stirrer assembly 5, the outer side of the stirrer assembly is also provided with a water spray head, the stirring blades A5011 are equidistantly arranged at the outer side of the stirrer 501 and are arranged at the outer side of the central position, the stirring blades B5012 are equidistantly arranged at the outer side of the stirrer 501 and are distributed with the stirring blades A5011 in an alternating structure, the cutting blades A5013 are equidistantly arranged at the outer side of the stirrer 501 close to the central position, the cutting blades B5014 are equidistantly arranged at the outer side of the stirrer 501 far away from the central position, the heaters 5015 are all arranged at the outer sides of the stirring blades A5011 and the stirring blades B5012 and penetrate through the stirring blades A5011 and the, the knife edges are further formed in the outer sides of the stirring blades A5011 and the stirring blades B5012, the cutting blades A5013 and the cutting blades B5014 are all arranged in a triangular shape, the knife edges are further formed in the outer sides, the top cover 2 is symmetrically distributed and arranged and is provided with 2 photo sensors, the photo sensors 3 are symmetrically distributed and arranged on the left side and the right side and are provided with 4 photo sensors, the driving motors 4 are arranged in a mute structure and are symmetrically distributed and arranged on the left side and the right side and are provided with 4 photo sensors, the stirrer assemblies 5 are symmetrically arranged on the left side and the right side and are provided with 2 photo sensors, and the left end and the right end of each stirrer assembly 5 are connected with the corresponding driving motors 4.

The working principle is as follows: the device, structural design is reasonable, be convenient for installation and operation and conveniently change the part, at first, the installation, a novel circulating fluidized bed returns and prevents stifled device, including returning workbin assembly 1, top cap 2, photoelectric sensor 3, driving motor 4 and agitator assembly 5, top cap 2 sets up the top at returning workbin assembly 1, and become bilateral symmetry type distribution setting, the top of returning workbin assembly 1 is provided with top cap 2, photoelectric sensor 3 sets up the bottom at top cap 2, and set up the inboard at returning workbin assembly 1, the outside of returning workbin assembly 1 is provided with driving motor 4, and set up the position that is close to the bottom at returning workbin assembly 1, agitator assembly 5 sets up the inner chamber at returning workbin assembly 1, and set up the position that is close to the bottom at the inner chamber, the last use that is after finishing the installation, a use method: firstly, setting data by a main controller, then pressing a starting switch, opening the top cover 2 to two sides, automatically enabling materials to enter a material returning box body 101 from a material returning inlet 103, transmitting sensed information to the main controller through the sensing setting of a photoelectric sensor 3, automatically starting a driving motor 4 by the main controller to rotate, driving a stirrer assembly 5 to rotate together, stirring the materials, and carrying out production in the next step along with the flow out from an output port 102 after stirring;

the second method comprises the following steps: the data is set in a main controller, full-automatic control is realized, a starting switch is started, a top cover 2 is opened towards two sides, materials enter from a material return port 103 and are effectively separated through a separating plate 104, the blockage of a material return inlet is reduced, a driving motor 4 is started and drives a stirring assembly 5 to rotate together through the induction of a photoelectric sensor 3, the driving motor 4 rotates forwards and reversely by one group, and the stirring blades A5011 and B5012 can stir the materials uniformly and control the output quantity of an output port 102 while stirring; the third method comprises the following steps: materials enter from the material returning inlet 103, are effectively separated through the separating plate 104 and then enter the stirrer assembly 5 close to the top, particles of some materials are large and easy to block, the large-particle materials can be effectively cut into small particles by matching the cutting blade A5013 and the cutting blade B5014 arranged on the outer sides, and then the small particles are output from the output port 102 to enter the next working procedure through stirring and cutting; the method four comprises the following steps: some materials have larger particles, and can be preheated, stirred and cut by the heater 5015 arranged at the outer sides of the stirring blades A5011 and B5012, and the large-particle materials can be effectively heated and melted by the heater 5015, and the stirring and cutting effects are promoted, so that the output port 102 is not easy to block; the method five comprises the following steps: the outside of the main part stirring body 501 of agitator assembly 5 still is provided with the sprinkling machine, when the material stops to carry out the returning charge, the water that the accessible sprinkling machine was spouted will remain and be stained with the material impurity that covers in stirring leaf and cutting piece and returning charge box and wash and flow back the material box 501 through the delivery outlet, and the device passes through the cooperation between each part, can effectively realize preventing the function of blockking up, and has improved circulating fluidized bed's material circulation efficiency and has made the fuel burning more abundant.

Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship actually shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.