CN217971354U

CN217971354U - Environment-friendly positive displacement feeder

Info

Publication number: CN217971354U
Application number: CN202221035779.7U
Authority: CN
Inventors: 谢建伟; 吴远远; 王美战
Original assignee: Xuzhou Tianyi Material Transportation Engineering Co ltd
Current assignee: Xuzhou Tianyi Material Transportation Engineering Co ltd
Priority date: 2022-05-02
Filing date: 2022-05-02
Publication date: 2022-12-06
Anticipated expiration: 2032-05-02

Abstract

The utility model discloses an environment-friendly positive displacement coal feeder, which comprises a shell, wherein a rotating shaft is arranged in the shell, a helical blade is wound outside the rotating shaft, and one end of the rotating shaft penetrates through the shell and is connected with a driving motor positioned at one end of the shell; a first feeding hole is formed in one side of the top of the shell, a speed regulating mechanism is arranged at the inner top of the first feeding hole, a discharging hole is formed in the other side of the bottom of the shell, and extending portions are arranged at one ends of the first feeding hole and the discharging hole. The utility model discloses a be provided with speed adjusting mechanism, the buggy that not only can cause when effectively preventing the anti-powder piles up the whereabouts problem, but also can realize the regulation of coal breakage rate, and then can be according to boiler combustion control system needs automatically regulated coal supply volume for actual coal supply volume and boiler load phase-match can satisfy the coal charge supply demand in thermal power factory boiler better.

Description

Environment-friendly positive displacement feeder

Technical Field

The utility model relates to a coal feeder technical field particularly, relates to an environment-friendly positive displacement coal feeder.

Background

The coal feeder is the main coal feeder used for circulating fluidized bed boiler and coal powder furnace in coal-fired thermal power plant. The positive displacement anti-sticking environmental protection batcher is mainly used for the boiler feed coal material of the thermal power factory. The equipment has the advantages of small occupied area, safe and reliable operation, convenient maintenance and the like. The uniformity of coal supply can be ensured, and the volumetric anti-blocking environment-friendly feeder is a good product for selection of the existing boiler coal feeder.

Patent No. CN202022826119.8 discloses a positive displacement anti-sticking spiral feeder, which comprises a housin, preceding baffle, the backplate, the top cap, the spiral assembly, the front axle bearing, rear axle bearing and drive arrangement, the junction of spiral assembly and preceding baffle is equipped with the oil blanket, the top cap is provided with the feed inlet near drive arrangement's one end top, the one end below that drive arrangement was kept away from to the casing is provided with the discharge gate, it not only can reach the purpose of dosing, but also very big improvement production environment, created the condition for clean production.

However, the feed port of the coal feeder is lack of a corresponding adjusting component, so that the coal feeder cannot automatically adjust the coal feeding amount according to the requirement of a boiler combustion control system, and the actual coal feeding amount cannot be matched with the boiler load.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides an environment-friendly positive displacement feeder to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

an environment-friendly positive displacement coal feeder comprises a shell, wherein a rotating shaft is arranged in the shell, a spiral blade is wound on the outer side of the rotating shaft, and one end of the rotating shaft penetrates through the shell and is connected with a driving motor positioned at one end of the shell; a first feeding hole is formed in one side of the top of the shell, a speed regulating mechanism is arranged at the inner top of the first feeding hole, a discharging hole is formed in the other side of the bottom of the shell, and extending portions are arranged at one ends of the first feeding hole and the discharging hole.

Furthermore, in order to achieve a better sealing effect, one end of the rotating shaft, which is close to the driving motor, is connected with the shell through an oil seal.

Furthermore, in order to effectively prevent the problem of coal dust accumulation and falling caused by powder return, the adjustment of the coal falling speed is realized by adjusting the size of the first feeding hole, so that the coal supply requirement of a boiler in a thermal power plant is better met, the speed adjusting mechanism comprises a fixed block arranged at the top in the first feeding hole, an installation cavity is formed inside the fixed block, and a second feeding hole communicated with the installation cavity is formed in the middle of the fixed block in a penetrating manner; a rotating disc matched with the mounting cavity is arranged at the inner bottom of the mounting cavity, an adjusting block is arranged on one side of the rotating disc, and one end of the adjusting block penetrates through the fixing block and extends to the outer side of the fixing block; an opening matched with the feed inlet is formed in the middle of the rotating disc in a penetrating mode, and a sliding groove is formed in the top of the rotating disc and located on the outer side of the opening; the top of rolling disc is provided with a plurality of turning blocks with it matched with, and the bottom of turning block all is provided with the slider with sliding tray matched with, and the top of turning block all is provided with the guide post, and the interior top of installation cavity seted up with guide post matched with guide way.

Further, in order to facilitate the matching of the fixed block and the second feeding port, the fixed block is of a rectangular structure, and a movable groove matched with the adjusting block is formed in one side of the fixed block. The installation cavity and the rotating disc are both cylindrical structures, and the sliding groove is of a regular hexagon structure. The diameter of the second feeding hole is equal to that of the opening. The guide groove is arranged on the inner top of the installation cavity in a manner that the opening inclines anticlockwise towards the inner wall of the installation cavity.

The utility model has the advantages that:

1) Through being provided with speed adjusting mechanism, make operating personnel only need promote the regulating block alright drive the rolling disc and rotate, and can be at the sliding tray, the slider drives the rolling block and rotates under the effect of guide post, thereby can realize the size regulation of feed inlet two and open and closed regulation, the buggy that causes when not only can effectively stopping the anti-powder piles up the whereabouts problem, but also can utilize the size regulation of feed inlet two to realize the regulation of coal breakage rate, and then can come the automatically regulated coal supply volume according to boiler combustion control system needs, make actual coal supply volume and boiler load phase-match, can satisfy the coal charge supply demand in thermal power factory boiler better.

2) By arranging the oil seal, the sealing effect of the shell can be effectively improved, the dust raising phenomenon is avoided, and a better environment-friendly effect is achieved; by being provided with the extension portion, the feeding of coal material is convenient for realize.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of an environment-friendly positive displacement coal feeder according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of a casing in an environment-friendly positive displacement coal feeder according to an embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of a casing of an environmental-friendly positive displacement coal feeder according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a second feed inlet of an environment-friendly positive displacement coal feeder according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a speed regulation structure in an environment-friendly positive displacement coal feeder according to an embodiment of the present invention;

fig. 7 is a schematic perspective view illustrating an assembly of a speed adjusting structure in an environmental friendly positive displacement coal feeder according to an embodiment of the present invention;

fig. 8 is a schematic view of an internal structure of an installation cavity in an environment-friendly positive displacement coal feeder according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a rotary block in an environment-friendly positive displacement coal feeder according to an embodiment of the present invention.

In the figure:

1. a housing; 2. a rotating shaft; 3. a helical blade; 4. a drive motor; 5. a first feeding hole; 6. a speed regulating mechanism; 601. a fixed block; 602. a mounting cavity; 603. a second feeding hole; 604. rotating the disc; 605. a regulating block; 606. a movable groove; 607. an opening; 608. a sliding groove; 609. rotating the block; 610. a slider; 611. a guide post; 612. a guide groove; 7. a discharge port; 8. an extension portion; 9. and (7) oil sealing.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides an environment-friendly positive displacement feeder.

Referring to the drawings and the detailed description, as shown in fig. 1-9, an environmental-friendly positive displacement coal feeder according to an embodiment of the present invention includes a casing 1, a rotating shaft 2 is disposed inside the casing 1, a helical blade 3 is wound around the outside of the rotating shaft 2, one end of the rotating shaft 2 penetrates through the casing 1 and is connected to a driving motor 4 disposed at one end of the casing 1, and in specific applications, the driving motor 4 can be fixedly connected to the casing 1 by using a mounting seat; one side of the top of the shell 1 is provided with a first feeding hole 5, the inner top of the first feeding hole 5 is provided with a speed regulating mechanism 6, the other side of the bottom of the shell 1 is provided with a discharging hole 7, and one ends of the first feeding hole 5 and the discharging hole 7 are provided with extending parts 8. The one end of axis of rotation 2 that is close to driving motor 4 is connected through oil blanket 9 between 1 with the casing, through the application of oil blanket 9, can improve the sealed effect of casing 1 effectively, avoids the emergence of raise dust phenomenon, more environmental protection.

By means of the technical scheme, the speed regulating mechanism 6 is arranged, so that the problem of coal powder accumulation and falling caused by powder return can be effectively solved, the coal falling rate can be adjusted, the coal feeding amount can be automatically adjusted according to the requirement of a boiler combustion control system, the actual coal feeding amount is matched with the boiler load, and the coal supply requirement of a boiler of a thermal power plant can be better met.

In one embodiment, the speed regulating mechanism 6 comprises a fixed block 601 installed at the top inside the first feeding hole 5, an installation cavity 602 is formed inside the fixed block 601, and a second feeding hole 603 communicated with the installation cavity 602 penetrates through the middle part of the fixed block 601; a rotating disc 604 matched with the installation cavity 602 is arranged at the inner bottom of the installation cavity 602, an adjusting block 605 is arranged on one side of the rotating disc 604, and one end of the adjusting block 605 penetrates through the fixed block 601 and extends to the outer side of the fixed block 601; an opening 607 matched with the second feed inlet 603 is formed in the middle of the rotating disc 604 in a penetrating mode, and a sliding groove 608 is formed in the top of the rotating disc 604 and located on the outer side of the opening 607; the top of the rotating disc 604 is provided with a plurality of rotating blocks 609 matched with the rotating disc, the bottoms of the rotating blocks 609 are provided with sliding blocks 610 matched with the sliding grooves 608, the tops of the rotating blocks 609 are provided with guide columns 611, and the inner top of the installation cavity 602 is provided with guide grooves 612 matched with the guide columns 611. The fixed block 601 is a rectangular structure, and a movable groove 606 matched with the adjusting block 605 is formed in one side of the fixed block 601. The mounting cavity 602 and the rotating disc 604 are both cylindrical structures, and the sliding groove 608 is a regular hexagon structure. The diameter of feed port two 603 is equal to the diameter of opening 607. The guide groove 612 is disposed at the top of the mounting cavity 602 and is inclined counterclockwise from the opening 607 toward the inner wall of the mounting cavity 602. Through being provided with speed adjusting mechanism 6, make operating personnel only need promote regulating block 605 alright drive rolling disc 604 and rotate, and can drive rolling block 609 under the effect of sliding tray 608, slider 610 and guide post 611 and rotate, thereby can realize the size adjustment of feed inlet two 603 and open and closed regulation, the buggy that not only can effectively prevent to cause when the powder reversal piles up the whereabouts problem, but also can utilize the size adjustment of feed inlet two 603 to realize the regulation of coal breakage rate, and then can come from automatically regulated coal supply according to boiler combustion control system needs, make actual coal supply and boiler load phase-match, can satisfy the coal charge demand in thermal power factory boiler better.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the size of the second feed inlet 603 needs to be adjusted, an operator only needs to push the adjusting block 605 to rotate counterclockwise, so that the rotating disc 604 rotates, and the guide post 611 is driven to move outwards along the guide groove 612 under the action of the sliding groove 608, the sliding block 610, the guide post 611 and the guide groove 612, so that the rotating block 609 rotates clockwise in the moving process, and the adjustment of the size of the second feed inlet 603 can be realized in the moving process of the guide post 611 in the guide groove 612.

In conclusion, with the aid of the above technical scheme of the utility model, through being provided with speed adjusting mechanism 6, make operating personnel only need promote regulating block 605 alright drive rolling disc 604 and rotate, and can drive rolling block 609 under the effect of sliding tray 608, slider 610 and guide post 611 and rotate, thereby can realize the size adjustment of two feed inlets 603 and open and closed regulation, not only can effectively prevent the buggy that causes when the anti-dust from piling up the whereabouts problem, but also can utilize the size adjustment of two feed inlets 603 to realize the regulation of coal breakage speed, and then can come the automatically regulated coal supply volume according to boiler combustion control system needs, make actual coal supply volume and boiler load phase-match, can satisfy the coal charge supply demand in thermal power plant boiler better.

In addition, the oil seal 9 is arranged, so that the sealing effect of the shell 1 can be effectively improved, the dust raising phenomenon is avoided, and a better environment-friendly effect is achieved; by providing the extension 8, the feeding of the coal is facilitated.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly positive displacement feeder, includes casing (1), its characterized in that:

a rotating shaft (2) is arranged in the shell (1), a helical blade (3) is wound on the outer side of the rotating shaft (2), and one end of the rotating shaft (2) penetrates through the shell (1) and is connected with a driving motor (4) positioned at one end of the shell (1);

the improved automatic feeding device is characterized in that a first feeding hole (5) is formed in one side of the top of the shell (1), a speed regulating mechanism (6) is arranged at the inner top of the first feeding hole (5), a discharging hole (7) is formed in the other side of the bottom of the shell (1), and an extending portion (8) is arranged at one end of the first feeding hole (5) and one end of the discharging hole (7).

2. The machine according to claim 1, wherein the end of the rotary shaft (2) close to the drive motor (4) is connected to the housing (1) by an oil seal (9).

3. The environment-friendly positive displacement coal feeder as claimed in claim 1, wherein the speed adjusting mechanism (6) comprises a fixing block (601) mounted at the inner top of the first feed inlet (5), a mounting cavity (602) is formed inside the fixing block (601), and a second feed inlet (603) communicated with the mounting cavity (602) penetrates through the middle of the fixing block (601);

a rotating disc (604) matched with the mounting cavity (602) is arranged at the inner bottom of the mounting cavity, an adjusting block (605) is arranged on one side of the rotating disc (604), and one end of the adjusting block (605) penetrates through the fixing block (601) and extends to the outer side of the fixing block (601);

an opening (607) matched with the second feed inlet (603) is formed in the middle of the rotating disc (604) in a penetrating mode, and a sliding groove (608) is formed in the top of the rotating disc (604) and located on the outer side of the opening (607);

the top of the rotating disc (604) is provided with a plurality of rotating blocks (609) matched with the rotating disc, the bottoms of the rotating blocks (609) are provided with sliding blocks (610) matched with the sliding grooves (608), the tops of the rotating blocks (609) are provided with guide columns (611), and the inner top of the installation cavity (602) is provided with guide grooves (612) matched with the guide columns (611).

4. The environmental-friendly volumetric coal feeder as defined in claim 3, wherein the fixing block (601) has a rectangular structure, and a movable groove (606) matched with the adjusting block (605) is formed at one side of the fixing block (601).

5. The machine according to claim 3, wherein the mounting cavity (602) and the rotating disc (604) are both cylindrical and the sliding groove (608) is regular hexagonal.

6. The machine of claim 3, wherein the diameter of the second inlet port (603) is equal to the diameter of the opening (607).

7. The machine of claim 3, wherein the guide groove (612) is disposed at the top of the installation cavity (602) from the opening (607) in a direction inclined counterclockwise toward the inner wall of the installation cavity (602).