CN216591776U

CN216591776U - Waste heat utilization device for boiler

Info

Publication number: CN216591776U
Application number: CN202122907650.2U
Authority: CN
Inventors: 李博; 张匀; 陈家琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-24
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a waste heat utilization device for a boiler, which comprises a boiler body, wherein the top of the boiler body is communicated with an exhaust pipe, the right side of the boiler body is fixedly connected with a filter box and a water tank from top to bottom in sequence, the top of the exhaust pipe is fixedly connected with an exhaust hood, and the top of the exhaust hood is communicated with an exhaust pipe. And taking down the baffle and the filter screen plate for cleaning.

Description

Waste heat utilization device for boiler

Technical Field

The utility model relates to the technical field of boiler waste heat utilization, in particular to a waste heat utilization device for a boiler.

Background

Waste heat recovery utilizes to improve economic nature, an important way of fuel economy, often contain a large amount of waste heat in the blowdown flue gas of boiler, when utilizing the waste heat to the boiler flue gas, need filter the flue gas earlier, and its filter screen of current waste heat utilization equipment is mostly fixed inside the device, it is inconvenient to dismantle the clearance to it, reduce the filter effect easily after using a period, and then influence the use, we provide a waste heat utilization equipment for the boiler for this reason, the problem of proposing more than the solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an exhaust heat utilization device for a boiler, which has the advantage of convenience in disassembling and cleaning a filter screen, and solves the problems that most of the filter screens of the existing exhaust heat utilization device are fixed in the device, the filter screens are inconvenient to disassemble and clean, the filtering effect is easy to reduce after the device is used for a period of time, and the use is further influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a waste heat utilization device for a boiler comprises a boiler body, wherein the top of the boiler body is communicated with an exhaust pipe, the right side of the boiler body is sequentially and fixedly connected with a filter box and a water tank from top to bottom, the top of the exhaust pipe is fixedly connected with an exhaust hood, the top of the exhaust hood is communicated with an exhaust pipe, one end, away from the exhaust hood, of the exhaust pipe is communicated with the top of the filter box, the left side of the top of the water tank is fixedly connected with an exhaust fan, the top of the exhaust fan is communicated with a connecting pipe, the top of the connecting pipe is communicated with the bottom of the filter box, the bottom of the exhaust fan is communicated with an exhaust pipe, the bottom of the exhaust pipe extends to the bottom of an inner cavity of the water tank, the right side of the filter box is movably connected with a baffle, the front and back positions of the top and the bottom of the left side of the baffle are fixedly connected with a connecting rod, and the left side of the connecting rod is fixedly connected with a filter screen plate, the surface of baffle has cup jointed the position sleeve, the equal threaded connection in left side of position sleeve top and bottom has the screw rod, two the first turning handle of the equal fixedly connected with in one side that the screw rod carried on the back mutually, two the relative one side of screw rod all runs through the position sleeve and rotates through the bearing and is connected with splint, the splint are kept away from the one side of screw rod and are closely laminated with the junction of rose box.

Preferably, the left center of baffle department rotates through the bearing and is connected with the pivot, the left side fixedly connected with brush board of pivot, the left side of brush board closely laminates with the right side of crossing filter plate, the right side of pivot runs through baffle and fixedly connected with second turning handle.

Preferably, the inner surface of the filter box is fixedly connected with a positioning ring, and the right side of the positioning ring is tightly attached to the left side of the filter screen plate.

Preferably, the bottom of the filter box and the right side of the filter screen plate are communicated with a discharge pipe, and a valve is arranged at the opening of the discharge pipe.

Preferably, the bottom on the right side of the water tank is communicated with a drain pipe, and a control valve is arranged at the pipe orifice of the drain pipe.

Preferably, the right side at water tank top portion communicates there is the water injection pipe, the front of rose box is inlayed and is equipped with the observation window.

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

1. when the filter screen plate is required to be disassembled and cleaned, the first rotating handle is rotated first, the first rotating handle drives the screw rod to rotate, the screw rod drives the clamping plates to move towards two sides, the clamping plates are separated from the filter box, then the baffle plate is moved rightwards, and the baffle plate and the filter screen plate are taken down to be cleaned.

2. When the filter screen plate is used, when the filter screen plate is blocked, the second rotating handle is rotated, the second rotating handle drives the rotating shaft to rotate, the rotating shaft drives the brush plate to rotate, and sundries on the surface of the filter screen plate are cleaned through the brush plate.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a cross-sectional view of a filter box construction of the present invention;

fig. 4 is a partial enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a boiler body; 2. an exhaust pipe; 3. a filter box; 4. a water tank; 5. an air extraction hood; 6. an air exhaust pipe; 7. an exhaust fan; 8. a connecting pipe; 9. an air outlet pipe; 10. a baffle plate; 11. a connecting rod; 12. a filter screen plate; 13. a positioning sleeve; 14. a screw; 15. a splint; 16. a first stem; 17. a rotating shaft; 18. a brush plate; 19. a second stem; 20. a retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 first embodiment is as follows:

referring to fig. 1-4, a waste heat utilization device for a boiler comprises a boiler body 1, wherein the top of the boiler body 1 is communicated with an exhaust pipe 2, the right side of the boiler body 1 is fixedly connected with a filter box 3 and a water tank 4 from top to bottom in sequence, the top of the exhaust pipe 2 is fixedly connected with an exhaust hood 5 and is communicated with the exhaust pipe 2, the top of the exhaust hood 5 is communicated with an exhaust pipe 6, one end of the exhaust pipe 6, which is far away from the exhaust hood 5, is communicated with the top of the filter box 3, the left side of the top of the water tank 4 is fixedly connected with an exhaust fan 7, the top of the exhaust fan 7 is communicated with a connecting pipe 8, the top of the connecting pipe 8 is communicated with the bottom of the filter box 3, the bottom of the exhaust fan 7 is communicated with an exhaust pipe 9, the bottom of the exhaust pipe 9 extends to the bottom of the inner cavity of the water tank 4, the right side of the filter box 3 is movably connected with a baffle plate 10, and the front and back positions of the left side and the bottom of the baffle plate 10 are both fixedly connected with connecting rods 11, the left side of the connecting rod 11 is fixedly connected with a filter screen plate 12, the outer surface of the baffle plate 10 is sleeved with a positioning sleeve 13, the left sides of the top and the bottom of the positioning sleeve 13 are both in threaded connection with screw rods 14, one sides of the two screw rods 14 opposite to each other are both fixedly connected with a first rotating handle 16, one sides of the two screw rods 14 opposite to each other are both penetrated through the positioning sleeve 13 and are rotatably connected with a clamping plate 15 through bearings, one side of the clamping plate 15, far away from the screw rods 14, is tightly attached to the joint of the filter box 3, the exhaust fan 7, the connecting pipe 8, the exhaust pipe 6 and the exhaust hood 5 are arranged, the flue gas and the waste heat discharged from the exhaust pipe 2 can be absorbed, the waste heat is discharged into the water tank 4 through the outlet pipe 9 after being filtered by the filter screen plate 12, the water is heated and utilized, the baffle plate 10 can be fixed by arranging the first rotating handle 16, the screw rods 14 and the clamping plate 15, and the baffle plate 10 is convenient to be disassembled, and the filter screen plate 12 is disassembled, internal surface fixed connection of rose box 3 has holding ring 20, the right side of holding ring 20 closely laminates with the left side of filter plate 12, through setting up holding ring 20, can carry on spacingly to filter plate 12, also can improve filter plate 12's leakproofness simultaneously, the bottom intercommunication on water tank 4 right side has the drain pipe, and the mouth of pipe department of drain pipe is provided with the control valve, through setting up drain pipe and control valve, can make things convenient for the hot water discharge in the water tank 4, the right side intercommunication at 4 tops of water tank has the water injection pipe, filter box 3's front is inlayed and is equipped with the observation window, through setting up the water injection pipe, can make things convenient for waste gas to discharge, simultaneously also can be in the past water injection in the water tank 4, through setting up the observation window, can conveniently look over the condition of filter plate 12.

The principle of the embodiment is as follows:

during the use, in the boiler use, start the control switch of air exhauster 7, air exhauster 7 passes through connecting pipe 8, exhaust tube 6 and exhaust hood 5 absorb 2 exhaust flue gases of blast pipe and waste heat, filter the flue gases through filtering otter board 12, discharge into water tank 4 through outlet duct 9 with the waste heat at last, heat the utilization to water, when needs are dismantled clearance to filtering otter board 12, rotate first turning handle 16 earlier, first turning handle 16 drives screw rod 14 and rotates, screw rod 14 drives splint 15 and removes to both sides, make splint 15 and rose box 3 separate, then move baffle 10 to the right, take off baffle 10 and filtering otter board 12 and clear up.

Example two:

please refer to fig. 2 and 3, in combination with the base of embodiment 1, the center of the left side of the baffle plate 10 is rotatably connected with a rotating shaft 17 through a bearing, the left side of the rotating shaft 17 is fixedly connected with a brush plate 18, the left side of the brush plate 18 is closely attached to the right side of the filter screen plate 12, the right side of the rotating shaft 17 penetrates through the baffle plate 10 and is fixedly connected with a second rotating handle 19, the filter screen plate 12 can be cleaned by arranging the second rotating handle 19, the rotating shaft 17 and the brush plate 18, the blockage of the filter screen plate 12 is avoided, the bottom of the filter box 3 is communicated with a discharge pipe on the right side of the filter screen plate 12, and the pipe orifice of the discharge pipe is provided with a valve, and the discharge pipe and the valve are arranged, so that sundries cleaned by the brush plate 18 can be conveniently discharged.

The principle of the embodiment is as follows:

when the filter screen plate 12 is blocked, the second rotating handle 19 is rotated, the second rotating handle 19 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the brush plate 18 to rotate, and impurities on the surface of the filter screen plate 12 are cleaned through the brush plate 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waste heat utilization equipment for boiler, includes boiler body (1), its characterized in that: the top of the boiler body (1) is communicated with an exhaust pipe (2), the right side of the boiler body (1) is fixedly connected with a filter box (3) and a water tank (4) from top to bottom in sequence, the top of the exhaust pipe (2) is fixedly connected with an exhaust hood (5), the top of the exhaust hood (5) is communicated with an exhaust pipe (6), one end, away from the exhaust hood (5), of the exhaust pipe (6) is communicated with the top of the filter box (3), the left side of the top of the water tank (4) is fixedly connected with an exhaust fan (7), the top of the exhaust fan (7) is communicated with a connecting pipe (8), the top of the connecting pipe (8) is communicated with the bottom of the filter box (3), the bottom of the exhaust fan (7) is communicated with an exhaust pipe (9), the bottom of the exhaust pipe (9) extends to the bottom of the inner cavity of the water tank (4), and the right side of the filter box (3) is movably connected with a baffle plate (10), baffle (10) left side top and the equal fixedly connected with connecting rod (11) in front and back position of bottom, the left side fixedly connected with of connecting rod (11) filters otter board (12), position sleeve (13) have been cup jointed to the surface of baffle (10), the equal threaded connection in left side of position sleeve (13) top and bottom has screw rod (14), two the first turning handle (16) of the equal fixedly connected with in one side that screw rod (14) carried on the back mutually, two one side that screw rod (14) are relative all runs through position sleeve (13) and is connected with splint (15) through the bearing rotation, one side that screw rod (14) were kept away from in splint (15) closely laminates with the junction of rose box (3).

2. The waste heat utilization device for the boiler according to claim 1, characterized in that: baffle (10) left center department rotates through the bearing and is connected with pivot (17), the left side fixedly connected with brush board (18) of pivot (17), the left side of brush board (18) closely laminates with the right side of crossing filter plate (12), baffle (10) and fixedly connected with second turning handle (19) are run through on the right side of pivot (17).

3. The waste heat utilization device for the boiler according to claim 1, characterized in that: the inner surface of the filter box (3) is fixedly connected with a positioning ring (20), and the right side of the positioning ring (20) is tightly attached to the left side of the filter screen plate (12).

4. The waste heat utilization device for the boiler according to claim 1, characterized in that: the right side of the bottom of the filter box (3) and the right side of the filter screen plate (12) are communicated with a discharge pipe, and a valve is arranged at the opening of the discharge pipe.

5. The waste heat utilization device for the boiler according to claim 1, characterized in that: the bottom on the right side of the water tank (4) is communicated with a drain pipe, and a control valve is arranged at the pipe orifice of the drain pipe.

6. The waste heat utilization device for the boiler according to claim 1, characterized in that: the right side at the top of the water tank (4) is communicated with a water injection pipe, and the front of the filter box (3) is embedded with an observation window.