CN215863501U

CN215863501U - Solid fuel conveying device for boiler

Info

Publication number: CN215863501U
Application number: CN202122192650.9U
Authority: CN
Inventors: 郑少博
Original assignee: Hebei special equipment supervision and inspection institute
Current assignee: Hebei special equipment supervision and inspection institute
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-02-18
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a solid fuel conveying device for a boiler, which relates to the technical field of boilers and comprises a supporting frame, wherein a double-shaft motor is arranged on the supporting frame, the double-shaft motor is in driving connection with a vertical reciprocating mechanism, a crushing box is arranged on the vertical reciprocating mechanism, an inclined plate II is arranged at the bottom in the crushing box, an inclined plate I corresponding to the inclined plate II is arranged on the supporting frame, a servo motor is arranged on the side wall of the crushing box, the servo motor is in driving connection with a crushing mechanism rotatably arranged in the crushing box, an air cylinder is arranged on the side wall of the supporting frame, and a grinding mechanism in sliding fit with the inclined plate I is connected to the air cylinder; the vertical reciprocating mechanism can perform reciprocating lifting on the solid fuel in the crushing box, the feeding and conveying of the fuel are realized when the inclined plate II is higher than the inclined plate I, the intermittent conveying feeding to the interior of the boiler is realized, the aggregation of the solid fuel is effectively avoided, and the uniform, ordered and efficient conveying feeding of the fuel is realized.

Description

Solid fuel conveying device for boiler

Technical Field

The utility model relates to the technical field of boilers, in particular to a solid fuel conveying device for a boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the hot water or the steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device or be converted into electric energy through a generator.

An authorized bulletin number is CN 212961688U a boiler fuel conveying device, including the device body, the upper end face of the device body is fixedly connected with the feeder hopper, the left side wall of the device body is communicated with the coarse material pipe and the feed pipe from top to bottom, the inner wall of the device body is fixedly connected with the filter plate and the spiral conveyor from top to bottom, the left end of the spiral conveyor is communicated with the feed pipe, the inside of the spiral conveyor is provided with a screw rod, the right end of the screw rod runs through the spiral conveyor and extends to the outside of the device body, the right end of the screw rod is provided with a rotating motor, and the upper end face of the feed pipe is communicated with a fan; however, in the using process of the device, boiler fuel cannot realize ordered intermittent delivery, so that the gathering of solid fuel is easily caused to influence the delivery and blanking effect, and the full combustion of the fuel is not facilitated; to this end, a solid fuel feeding device for a boiler is provided to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a solid fuel feeding apparatus for a boiler.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a solid fuel conveyor for boiler, includes the support frame, rotates on the support frame and installs the conveying roller, and the transmission is connected with conveyor belt on the conveying roller, installs the double-shaft motor on the support frame, and double-shaft motor drive is connected with vertical reciprocating mechanism, install broken case on the vertical reciprocating mechanism, swash plate II is installed to broken incasement bottom, install the swash plate I that corresponds with swash plate II on the support frame, servo motor is installed to broken case lateral wall, and servo motor drive is connected with the broken mechanism of rotation installation in broken case, the cylinder is installed to the support frame lateral wall, be connected with on the cylinder with the grinding mechanism of swash plate I slip adaptation.

As a modified scheme of the utility model: the vertical reciprocating mechanism comprises a transmission rod I hinged to the support frame, one end, far away from the support frame, of the transmission rod I is hinged to a transverse guide sleeve, a transverse rod fixed with the crushing box is arranged on the transverse guide sleeve in a penetrating mode, a vertical rod is vertically fixed on the crushing box, and a vertical guide sleeve fixed with the support frame is sleeved on the vertical rod in a sliding mode.

As a modified scheme of the utility model: the vertical reciprocating mechanism further comprises a rotary table coaxially connected with an output shaft of the double-shaft motor, a transmission rod is eccentrically hinged to the rotary table, and one end, far away from the rotary table, of the transmission rod is hinged to the middle of the transmission rod I.

As a modified scheme of the utility model: and the other output shaft of the double-shaft motor is in transmission connection with the conveying roller through a belt pulley mechanism.

As a modified scheme of the utility model: the crushing mechanism comprises a crushing roller I and a crushing roller II which are rotatably installed in a crushing box, wherein the crushing roller I and the crushing roller II are coaxially connected with a transmission gear, the two transmission gears are meshed and connected, and an output shaft of the servo motor is coaxially connected with the crushing roller II.

As a modified scheme of the utility model: the grinding mechanism comprises a pair of side baffles arranged on two sides of the conveying belt, a horizontal groove is transversely formed in each side baffle, a connecting rod is slidably mounted on each horizontal groove, a grinding pressure plate abutted against the inclined plate I is fixed on each connecting rod, and the connecting rods are fixedly connected with telescopic ends of the cylinders.

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

1. the boiler solid fuel feeding device can rotate, extrude and crush the boiler solid fuel fed into the crushing box through the arranged crushing mechanism, so as to realize the primary refining effect, further grind and refine the solid fuel entering the conveying belt from the inclined plate I through the arranged grinding mechanism, ensure that the solid fuel conveyed into the boiler is fully refined, and effectively improve the fuel conveying effect.

2. The vertical reciprocating mechanism can perform reciprocating lifting on the solid fuel in the crushing box, the feeding and conveying of the fuel are realized when the inclined plate II is higher than the inclined plate I, the intermittent conveying feeding to the interior of the boiler is realized, the aggregation of the solid fuel is effectively avoided, and the uniform, ordered and efficient conveying feeding of the fuel is realized.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

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

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

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is a partially cut-away structural schematic diagram of the present invention.

In the figure: 1-supporting frame, 2-belt pulley mechanism, 3-double shaft motor, 4-rotary table, 5-servo motor, 6-crushing roller I, 7-crushing roller II, 8-crushing box, 9-connecting rod, 10-grinding pressure plate, 11-sloping plate I, 12-side baffle, 13-conveying belt, 14-cylinder, 15-transmission rod I, 16-horizontal groove, 17-vertical rod, 18-vertical guide sleeve, 19-sloping plate II, 20-transmission rod, 21-horizontal guide sleeve, 22-horizontal rod, 23-conveying roller and 24-transmission gear.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-6, a solid fuel conveying device for a boiler comprises a support frame 1, a conveying roller 23 is rotatably mounted on the support frame 1, a conveying belt 13 is connected to the conveying roller 23 in a transmission manner, a double-shaft motor 3 is mounted on the support frame 1, the double-shaft motor 3 is in driving connection with a vertical reciprocating mechanism, a crushing box 8 is mounted on the vertical reciprocating mechanism, an inclined plate II19 is mounted at the bottom in the crushing box 8, an inclined plate I11 corresponding to the inclined plate II19 is mounted on the support frame 1, a servo motor 5 is mounted on the side wall of the crushing box 8, the servo motor 5 is in driving connection with a crushing mechanism rotatably mounted in the crushing box 8, an air cylinder 14 is mounted on the side wall of the support frame 1, and a grinding mechanism in sliding fit with the inclined plate I11 is connected to the air cylinder 14.

This device is through carrying out the solid fuel for the boiler that will carry to the inside input of broken case 8, carries out rotary crushing to solid fuel through broken mechanism, realizes the vertical reciprocating type lift of broken case 8 under vertical reciprocating mechanism's drive effect, and solid fuel slides in to swash plate I11 along swash plate II19 in the broken case 8 on, and solid fuel carries through conveyor belt 13 afterwards.

Specifically, the vertical reciprocating mechanism comprises a transmission rod I15 hinged on the support frame 1, one end, far away from the support frame 1, of the transmission rod I15 is hinged with a transverse guide sleeve 21, a transverse rod 22 fixed with the crushing box 8 penetrates through the transverse guide sleeve 21, a vertical rod 17 is vertically fixed on the crushing box 8, and a vertical guide sleeve 18 fixed with the support frame 1 is slidably sleeved on the vertical rod 17; the vertical reciprocating mechanism further comprises a rotating disc 4 coaxially connected with an output shaft of the double-shaft motor 3, a transmission rod 20 is eccentrically hinged on the rotating disc 4, and one end, far away from the rotating disc 4, of the transmission rod 20 is hinged with the middle of a transmission rod I15.

Through the above-mentioned setting, after starting double-shaft motor 3, double-shaft motor 3 drive carousel 4 is rotatory, carousel 4 drives the swing of transfer line 20, transfer line 20 realizes horizontal uide bushing 21 reciprocating sliding under the guide effect of horizontal pole 22 through pulling transfer line I15, make broken case 8 realize vertical reciprocating type lift under vertical pole 17 and vertical uide bushing 18 sliding fit's guide effect, when swash plate II19 in broken case 8 is in the position that is higher than swash plate I11, the solid fuel on the swash plate II19 slides in on the swash plate I11, the intermittent type feeding effect in the solid fuel transportation process has been realized.

In addition, another output shaft and the conveying roller 23 at biax motor 3 are connected through belt pulley mechanism 2 transmission, and the biax motor 3 is rotatory through belt pulley mechanism 2 transmission conveying roller 23 when driving vertical reciprocating mechanism, and conveying roller 23 drive conveyor belt 13 carries, realizes solid fuel's intermittent type nature automatic conveying effect, and can effectively avoid the gathering of solid fuel, promotes the unloading effect of fuel.

Example 2

Referring to fig. 1-6, in addition to embodiment 1, the crushing mechanism includes a crushing roller I6 and a crushing roller II7 rotatably installed in the crushing box 8, the transmission gears 24 are coaxially connected to both the crushing roller I6 and the crushing roller II7, the two transmission gears 24 are meshed and connected, and the output shaft of the servo motor 5 is coaxially connected to the crushing roller II 7.

The servo motor 5 is started, the servo motor 5 drives the crushing roller II7 to rotate, the crushing roller II7 drives the transmission gear 24 which is coaxially connected with the crushing roller II to rotate, the transmission gear 24 drives the other transmission gear 24 which is meshed with the transmission gear to rotate, the transmission gear 24 drives the crushing roller I6 to rotate, the solid fuel entering the crushing box 8 is subjected to full-circle rotation crushing in the rotating process of the crushing roller I6 and the crushing roller II7, preliminary refining of the solid fuel is promoted, and sufficient and efficient combustion of the solid fuel delivered into a boiler is guaranteed.

Further, the grinding mechanism comprises a pair of side baffles 12 arranged on two sides of the conveying belt 13, a horizontal groove 16 is transversely formed in each side baffle 12, a connecting rod 9 is slidably mounted on each horizontal groove 16, a grinding pressure plate 10 abutted against the inclined plate I11 is fixed on each connecting rod 9, and the connecting rods 9 are fixedly connected with telescopic ends of the air cylinders 14.

After the solid fuel after the preliminary crushing moves to the sloping plate I11, the cylinder 14 drives the connecting rod 9 to slide along the horizontal groove 16, at the moment, the distance between the grinding pressure plate 10 and the sloping plate I11 is gradually reduced, the grinding effect on the solid fuel is realized, the refining of the solid fuel is further promoted, the adjusting cylinder 14 drives the connecting rod 9 to reversely slide, the distance between the grinding pressure plate 10 and the sloping plate I11 is gradually increased, the solid fuel after being fully refined slides to the conveying belt 13 along the sloping plate I11 to realize conveying and feeding into the boiler, and the conveying and feeding effect of the refining degree of the solid fuel is effectively improved.

In conclusion, the boiler solid fuel fed into the crushing box 8 can be subjected to rotary extrusion crushing through the arranged crushing mechanism, so that the primary refining effect is realized, the solid fuel entering the conveying belt 13 from the inclined plate I11 can be further ground and refined through the arranged grinding mechanism, the solid fuel conveyed into the boiler is ensured to be fully refined, and the fuel conveying effect is effectively improved.

The vertical reciprocating mechanism can perform reciprocating lifting on the solid fuel in the crushing box 8, and when the inclined plate II19 is higher than the inclined plate I11, the feeding and conveying of the fuel are realized, the intermittent conveying feeding to the interior of the boiler is realized, the aggregation of the solid fuel is effectively avoided, and the uniform, ordered and efficient conveying feeding of the fuel is realized.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but not construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. A solid fuel conveying device for a boiler comprises a support frame (1), a conveying roller (23) is rotatably arranged on the support frame (1), a conveying belt (13) is connected on the conveying roller (23) in a transmission way, it is characterized in that a double-shaft motor (3) is arranged on the supporting frame (1), the double-shaft motor (3) is connected with a vertical reciprocating mechanism in a driving way, the vertical reciprocating mechanism is provided with a crushing box (8), the bottom in the crushing box (8) is provided with an inclined plate II (19), the support frame (1) is provided with an inclined plate I (11) corresponding to the inclined plate II (19), the side wall of the crushing box (8) is provided with a servo motor (5), the servo motor (5) is connected with a crushing mechanism which is rotationally arranged in the crushing box (8) in a driving way, the cylinder (14) is installed to support frame (1) lateral wall, be connected with on cylinder (14) with swash plate I (11) slip adaptation's grinding mechanism.

2. The solid fuel conveying device for the boiler according to claim 1, wherein the vertical reciprocating mechanism comprises a transmission rod I (15) hinged on the support frame (1), one end, far away from the support frame (1), of the transmission rod I (15) is hinged with a transverse guide sleeve (21), a transverse rod (22) fixed with the crushing box (8) penetrates through the transverse guide sleeve (21), a vertical rod (17) is vertically fixed on the crushing box (8), and a vertical guide sleeve (18) fixed with the support frame (1) is slidably sleeved on the vertical rod (17).

3. The solid fuel feeding device for the boiler according to claim 2, wherein the vertical reciprocating mechanism further comprises a rotary table (4) coaxially connected with one output shaft of the double-shaft motor (3), a transmission rod (20) is eccentrically hinged on the rotary table (4), and one end of the transmission rod (20) far away from the rotary table (4) is hinged with the middle part of the transmission rod I (15).

4. A solid fuel feeding device for boiler according to claim 3, characterized in that the other output shaft of said two-shaft motor (3) is drivingly connected with the feeding roller (23) through a pulley mechanism (2).

5. The solid fuel feeding device for boiler according to claim 1, wherein said crushing mechanism comprises a crushing roller I (6) and a crushing roller II (7) rotatably mounted in a crushing box (8), a transmission gear (24) is coaxially connected to each of said crushing roller I (6) and said crushing roller II (7), two of said transmission gears (24) are engaged, and an output shaft of said servo motor (5) is coaxially connected to said crushing roller II (7).

6. The solid fuel conveying device for the boiler according to claim 1, wherein the grinding mechanism comprises a pair of side baffles (12) arranged at two sides of the conveying belt (13), a horizontal groove (16) is transversely formed in each side baffle (12), a connecting rod (9) is slidably mounted on each horizontal groove (16), a grinding pressure plate (10) abutted to the inclined plate I (11) is fixed on each connecting rod (9), and the connecting rod (9) is fixedly connected with the telescopic end of the air cylinder (14).