CN215174960U

CN215174960U - Biomass fuel boiler's waste heat from flue gas device

Info

Publication number: CN215174960U
Application number: CN202121066300.1U
Authority: CN
Inventors: 马志伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-14
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to a boiler technical field. The flue gas waste heat recovery device of the biomass fuel boiler comprises a boiler, wherein a connecting flue is fixedly connected to the boiler, the connecting flue is fixedly connected with a first flue, a convolution tube is arranged on the first flue, the lower end of the convolution tube is fixedly connected with a connecting water pipe, and the upper end of the convolution tube is fixedly connected with a water inlet pipe; fixed mounting has the motor on the motor platform, install first band pulley on the motor, first band pulley with the motor rotates to be connected, first flue top fixed mounting has the bearing, bearing department rotates and is connected with the pivot, pivot bottom fixedly connected with scraper means, scraper means with first flue inner wall sliding fit, pivot top fixed mounting has the second band pulley, first band pulley with the second band pulley passes through the belt and connects. The utility model provides a biomass fuel boiler's flue gas waste heat recovery device waste heat recovery is effectual.

Description

Biomass fuel boiler's waste heat from flue gas device

Technical Field

The utility model relates to a boiler technical field, more specifically say, relate to a biomass fuel boiler's flue gas waste heat recovery device.

Background

At present, along with the continuous improvement of the national requirement to the environmental protection, biomass fuel boiler's application is more and more extensive, biomass fuel boiler has the environmental protection, characteristics such as energy-conservation and fuel can be regenerated, however, current biomass fuel boiler heating efficiency is limited, the waste heat can run off along with the white flue gas, can not effective recycle, moreover, the dust that carries in the flue gas can solidify at the flue inner wall after the flue gas pipeline upper time is longer attached to, be difficult to clear up, can influence waste heat recovery, therefore, we propose a biomass fuel boiler's flue gas waste heat recovery device and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a biomass fuel boiler's flue gas waste heat recovery device aims at solving one of the technical problem that exists among the prior art at least.

In order to achieve the above object, an aspect of the present invention provides a flue gas waste heat recovery device for a biomass fuel boiler, including: the boiler is fixedly connected with a connecting flue, the connecting flue is fixedly connected with a first flue, a convolution tube is arranged on the first flue, the convolution tube is tightly attached to the first flue, the lower end of the convolution tube is fixedly connected with a connecting water pipe, the connecting water pipe is fixedly connected with the boiler, and the upper end of the convolution tube is fixedly connected with a water inlet pipe;

first flue top fixed mounting has the motor platform, fixed mounting has the motor on the motor platform, install first band pulley on the motor, first band pulley with the motor rotates to be connected, first flue top fixed mounting has the bearing, bearing department rotates and is connected with the pivot, pivot bottom fixedly connected with scraper means, scraper means with first flue inner wall sliding fit, pivot top fixed mounting has the second band pulley, first band pulley with the second band pulley passes through the belt and connects.

The utility model provides an above-mentioned technical scheme's flue gas waste heat recovery device of biomass fuel boiler, through setting up the gyrotron that closely laminates with first flue outer wall, make the water in the input boiler before getting into the boiler, can absorb the waste heat in the flue gas earlier, promote the utilization ratio of heat efficiency through the recovery to the waste heat, the water after absorbing the waste heat simultaneously gets into to continue to heat in the boiler and compares with the waste heat that does not absorb, can effectively save biomass fuel, scraper blade device's setting in the second flue, make the dust of first flue inner wall clear up before for the solidification, make first flue inner wall keep clean, carry out recycle to gyrotron department with the better transmission of assurance waste heat.

Additionally, the utility model discloses above-mentioned technical scheme provides a biomass fuel boiler's flue gas waste heat recovery device still has following technical characteristic:

as an optimized scheme of the utility model, first flue bottom fixedly connected with connects grey box holder, connect grey box holder department to peg graft and have connect the ash box, connect grey box holder with connect ash box kneck to be equipped with the second sealing layer.

As an optimized scheme of the utility model, connect the ash box surface to be equipped with and draw the handle, connect the ash box through first bolt with connect the ash box seat to connect fixedly, connect to be equipped with on the ash box and connect the ash groove.

As a preferred scheme of the utility model, the scraper blade device top is equipped with the connecting rod, the connecting rod with pivot fixed connection, the scraper blade device respectively is equipped with a clamping ring, two from top to bottom the clamping ring passes through scraper blade fixed connection, upper portion the clamping ring with connecting rod fixed connection.

As an optimized scheme of the utility model, first flue and second flue fixed connection, be equipped with the closing plate on the second flue, the closing plate passes through second bolt fixed mounting and is in on the second flue, the second flue is located closing plate department is equipped with the bolt hole, the bolt hole with second bolt threaded connection, on the second flue with the closing plate installation department is equipped with first sealing layer, the second flue is located closing plate department is equipped with the smoke and dust filter screen, the smoke and dust filter screen with the cooperation of pegging graft of second flue.

As an optimized scheme of the utility model, motor platform bottom fixed mounting has the enhancement frame, the enhancement frame with first flue fixed connection.

As an optimized proposal of the utility model, the water inlet pipe is provided with a one-way valve.

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

according to the device of this application, through setting up the gyrotron that closely laminates with first flue outer wall, make the water in the input boiler before getting into the boiler, can absorb the waste heat in the flue gas earlier, through the utilization ratio to the recovery promotion heat efficiency of waste heat, the water after absorbing the waste heat simultaneously gets into in the boiler and continues to heat and compare with the waste heat that does not absorb, can effectively save biomass fuel, scraper means's setting in the second flue, the dust that makes first flue inner wall can be cleared up before for the solidification, make first flue inner wall keep clean, carry out recycle to gyrotron department in order to guarantee the better transmission of waste heat.

The dust receiving box is arranged to facilitate the cleaning of dust; the smoke dust filter screen can further filter smoke dust, and the detachable sealing plate arranged at the smoke dust filter screen is convenient for cleaning the smoke dust filter screen; the safety of motor platform can effectively be guaranteed in the setting of strengthening frame.

Drawings

Fig. 1 is a schematic view of the overall structure of a flue gas waste heat recovery device of a biomass fuel boiler according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a scraper device of a flue gas waste heat recovery device of a biomass fuel boiler according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an ash receiving box of a flue gas waste heat recovery device of a biomass fuel boiler according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a smoke dust filter screen of a flue gas waste heat recovery device of a biomass fuel boiler according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1 boiler, 2 first flues, 3 convolutes, 4 motor platforms, 5 motors, 6 first belt wheels, 7 second belt wheels, 8 belts, 9 rotating shafts, 10 bearings, 11 scraper devices, 1101 connecting rods, 1102 scrapers, 1103 connecting rings, 12 second flues, 1201 bolt holes, 1202 first sealing layers, 13 ash receiving boxes, 1301 pull handles, 1302 first bolts, 1303 ash receiving grooves, 14 second sealing layers, 15 connecting flues, 16 connecting water pipes, 17 water inlet pipes, 18 check valves, 19 sealing plates, 1901 second bolts, 20 smoke dust filter screens, 21 ash receiving box seats and 22 reinforcing frames.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A flue gas waste heat recovery device of a biomass fuel boiler according to some embodiments of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1, according to the present invention, there is provided a flue gas waste heat recovery device of a biomass fuel boiler, including a boiler 1, a connection flue 15 is fixedly connected to the boiler 1, the connection flue 15 is fixedly connected to a first flue 2, a convolution tube 3 is arranged on the first flue 2, the convolution tube 3 is tightly attached to the first flue 2, the lower end of the convolution tube 3 is fixedly connected to a connection water pipe 16, the connection water pipe 16 is fixedly connected to the boiler 1, and the upper end of the convolution tube 3 is fixedly connected to a water inlet pipe 17; first flue 2 top fixed mounting has motor platform 4, fixed mounting has motor 5 on the motor platform 4, install first pulley 6 on the motor 5, first pulley 6 rotates with motor 5 to be connected, 2 top fixed mounting in first flue has bearing 10, bearing 10 department rotates and is connected with pivot 9, pivot 9 bottom fixedly connected with scraper means 11, scraper means 11 and 2 inner wall sliding fit in first flue, pivot 9 top fixed mounting has second band pulley 7, first pulley 6 passes through the belt 8 with second band pulley 7 to be connected, 2 bottom fixedly connected with in first flue connects grey box seat 21, connect grey box seat 21 department to peg graft and have connect grey box 13, it is equipped with second sealing layer 14 with the grey box 13 kneck of connecing to connect grey box seat 21, be equipped with check valve 18 on the oral siphon 17, 4 bottom fixed mounting of motor platform has reinforcing frame 22, reinforcing frame 22 and first flue 2 fixed connection.

As shown in fig. 2, a connecting rod 1101 is arranged at the top of the scraper device 11, the connecting rod 1101 is fixedly connected with the rotating shaft 9, two connecting rings 1103 are respectively arranged at the upper part and the lower part of the scraper device 11, the two connecting rings 1103 are fixedly connected through a scraper 1102, and the upper connecting ring 1103 is fixedly connected with the connecting rod 1101.

As shown in fig. 1 and 3, a pull handle 1301 is arranged on the outer surface of the ash receiving box 13, the ash receiving box 13 is fixedly connected with the ash receiving box base 21 through a first bolt 1302, and an ash receiving groove 1303 is arranged on the ash receiving box 13.

As shown in fig. 1 and 4, the first flue 2 is fixedly connected to the second flue 12, a sealing plate 19 is disposed on the second flue 12, the sealing plate 19 is fixedly mounted on the second flue 12 through a second bolt 1901, a bolt hole 1201 is disposed in the sealing plate 19 of the second flue 12, the bolt hole 1201 is in threaded connection with the second bolt 1901, a first sealing layer 1202 is disposed in the mounting position of the sealing plate 19 on the second flue 12, a smoke filter screen 20 is disposed in the sealing plate 19 of the second flue 12, and the smoke filter screen 20 is in plug-in fit with the second flue 12.

The using method comprises the following steps:

the flue gas is on with heat transfer to the pipe wall when first pipeline 2, and the cold water that enters into in the gyrotron 3 from the oral siphon 17 after absorbing the waste heat, enters the boiler through connecting water pipe 16 and carries out further heating.

Scraper means 11 is at the during operation, motor 5 drives first band pulley 6 and rotates, first band pulley 6 drives second band pulley 7 through belt 8 and rotates, second band pulley 7 drives pivot 9 and rotates around bearing 10, pivot 9 drives scraper means 11 and rotates, scraper means 11 is rotating 2 inner walls of first pipeline and is attached to the dust and scrape down at in-process scraper blade 11, the dust falls into the dust groove 1301 that connects of connecing ash box 13 after scraping down, will connect ash box 13 when the clearance connects ash box 13 and lift off from connecing ash box seat 21 and clear up can.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance: the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement 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 a biomass fuel boiler's flue gas waste heat recovery device which characterized in that includes: the boiler comprises a boiler (1), wherein a connecting flue (15) is fixedly connected to the boiler (1), the connecting flue (15) is fixedly connected with a first flue (2), a gyrotron (3) is arranged on the first flue (2), the gyrotron (3) is tightly attached to the first flue (2), the lower end of the gyrotron (3) is fixedly connected with a connecting water pipe (16), the connecting water pipe (16) is fixedly connected with the boiler (1), and the upper end of the gyrotron (3) is fixedly connected with a water inlet pipe (17);

first flue (2) top fixed mounting has motor platform (4), fixed mounting has motor (5) on motor platform (4), install first band pulley (6) on motor (5), first band pulley (6) with motor (5) rotate to be connected, first flue (2) top fixed mounting has bearing (10), bearing (10) department rotates and is connected with pivot (9), pivot (9) bottom fixedly connected with scraper means (11), scraper means (11) with first flue (2) inner wall sliding fit, pivot (9) top fixed mounting has second band pulley (7), first band pulley (6) with second band pulley (7) pass through belt (8) and connect.

2. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, characterized in that: the bottom of the first flue (2) is fixedly connected with an ash receiving box seat (21), an ash receiving box (13) is inserted in the ash receiving box seat (21), and a second sealing layer (14) is arranged at the joint of the ash receiving box seat (21) and the ash receiving box (13).

3. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 2, characterized in that: the outer surface of the ash receiving box (13) is provided with a pull handle (1301), the ash receiving box (13) is fixedly connected with the ash receiving box base (21) through a first bolt (1302), and an ash receiving groove (1303) is formed in the ash receiving box (13).

4. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, characterized in that: the top of the scraper device (11) is provided with a connecting rod (1101), the connecting rod (1101) is fixedly connected with the rotating shaft (9), the upper part and the lower part of the scraper device (11) are respectively provided with a connecting ring (1103), the two connecting rings (1103) are fixedly connected through a scraper (1102), and the upper part of the connecting ring (1103) is fixedly connected with the connecting rod (1101).

5. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, characterized in that: first flue (2) and second flue (12) fixed connection, be equipped with closing plate (19) on second flue (12), closing plate (19) pass through second bolt (1901) fixed mounting on second flue (12), second flue (12) are located closing plate (19) department is equipped with bolt hole (1201), bolt hole (1201) with second bolt (1901) threaded connection, on second flue (12) with closing plate (19) installation department is equipped with first sealing layer (1202), second flue (12) are located closing plate (19) department is equipped with smoke and dust filter screen (20), smoke and dust filter screen (20) with second flue (12) grafting cooperation.

6. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, characterized in that: the bottom of the motor platform (4) is fixedly provided with a reinforcing frame (22), and the reinforcing frame (22) is fixedly connected with the first flue (2).

7. The flue gas waste heat recovery device of the biomass fuel boiler according to claim 1, characterized in that: the water inlet pipe (17) is provided with a one-way valve (18).