CN216143985U

CN216143985U - Environment-friendly energy-saving boiler utilizing waste heat

Info

Publication number: CN216143985U
Application number: CN202122014955.0U
Authority: CN
Inventors: 王鑫伟
Original assignee: Individual
Current assignee: National Energy Group Shanxi Shentou No 2 Power Plant Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-29
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses an environment-friendly energy-saving boiler utilizing waste heat, wherein an inner spiral pipe is arranged inside a water tank, an outer spiral pipe is arranged outside the inner spiral pipe, the tail end of the inner spiral pipe penetrates through the tail end of the outer spiral pipe, the tail end of the inner spiral pipe is connected with a gas conveying pipe, the tail end of the gas conveying pipe penetrates through the water tank and is connected with an exhaust fan, the upper end of the tail part of the outer spiral pipe is connected with a water inlet pipe, and the tail end of the water inlet pipe penetrates through the water tank and is positioned on the rear side of the gas conveying pipe. Has the advantages that: when the exhaust pipe discharges hot gas into the inner spiral pipe, the heat insulation effect can be achieved by arranging the heat insulation sleeve, the loss of heat in the exhaust pipe is reduced, when the hot gas is discharged into the inner spiral pipe, the water is discharged into the outer spiral pipe through the water inlet pipe, and the water flow can be located between the inner wall of the outer spiral pipe and the outer wall of the inner spiral pipe, so that the hot gas conveyed in the inner spiral pipe can be fully utilized to perform water heating work, the problem that the heat is easily lost from the side wall of the pipe when the existing pipe is used for gas transmission is solved, and the waste heat utilization effect is poor.

Description

Environment-friendly energy-saving boiler utilizing waste heat

Technical Field

The utility model belongs to the technical field of boilers, and particularly relates to an environment-friendly energy-saving boiler utilizing waste heat.

Background

The boiler is an energy conversion device, energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in fuel, steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after conversion of the boiler, the steam boiler refers to an industrial boiler which heats water to certain parameters and produces high-temperature steam, the water is heated in a boiler barrel to become steam, and fire gives out heat in a hearth, and the principle of the steam boiler is that the steam boiler is used.

The chinese utility model patent of current patent number 201820674054.X discloses a flue gas waste heat recovery utilizes boiler, and this utility model pipeline is in gas transmission, and the heat runs off from the pipeline lateral wall easily, and is relatively poor to waste heat utilization's effect moreover, leads to the practicality relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an environment-friendly energy-saving boiler utilizing waste heat so as to solve the problems that heat is easy to lose from the side wall of a pipeline and the waste heat utilization effect is poor when the pipeline is used for gas transportation at present.

An environment-friendly energy-saving boiler utilizing waste heat comprises a boiler body and a water tank, wherein the boiler body comprises a combustion chamber and a hot water chamber, the hot water chamber is arranged above the combustion chamber, and the water tank is arranged above the hot water chamber;

the water tank is inside to be equipped with interior spiral pipe, interior spiral pipe outside is equipped with outer spiral pipe, interior spiral pipe end runs through outer spiral pipe's end, interior spiral pipe end-to-end connection has the gas-supply pipe, the gas-supply pipe end runs through the water tank and is connected with exhaust fan, outer spiral pipe end upper end has connect the inlet tube mutually, the inlet tube end runs through the water tank and is located the gas-supply pipe rear side, the rose box has been arranged to the water tank upper end, activated carbon net and airstrainer have been arranged respectively to both sides about the rose box is inside, exhaust fan right-hand member is connected with the rose box and communicates with each other.

Preferably, an air inlet fan is arranged on the left side of the boiler body, an air outlet of the air inlet fan is connected with an air inlet pipe, and the tail end of the air inlet pipe is connected and communicated with the combustion chamber.

Preferably, an exhaust pipe is connected to an exhaust port of the combustion chamber, the tail end of the exhaust pipe penetrates through and is fixed with the water tank, a heat insulation sleeve is arranged outside the exhaust pipe, and the tail end of the exhaust pipe is connected with the head end of the inner spiral pipe.

Preferably, the end of the outer coil pipe is a closed end, and the head end of the outer coil pipe is an open end.

Preferably, the upper end of the filter box is an open end, and the exhaust fan is positioned below the air filter screen.

Preferably, a third electromagnetic valve is installed outside the water inlet pipe.

Preferably, the lower side of the left end of the water tank is connected with a water delivery pipe, a first electromagnetic valve is mounted outside the water delivery pipe, the tail end of the water delivery pipe is connected with a hot water chamber, the right end of the hot water chamber is connected with a drain pipe, and a second electromagnetic valve is mounted outside the drain pipe.

Has the advantages that: when the exhaust pipe discharges hot gas into the inner spiral pipe, the heat insulation effect can be achieved by arranging the heat insulation sleeve, the loss of heat in the exhaust pipe is reduced, when the hot gas is discharged into the inner spiral pipe, the water is discharged into the outer spiral pipe through the water inlet pipe, and the water flow can be located between the inner wall of the outer spiral pipe and the outer wall of the inner spiral pipe, so that the hot gas conveyed in the inner spiral pipe can be fully utilized to heat water, the hot gas which is used up at last can be discharged into the filter box, and after being filtered by the air filter screen and the activated carbon screen, the hot gas is discharged from an opening above the filter box, so that the filter effect can be achieved, and the pollution to the environment is reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a water tank of the present invention.

In the figure: 1-boiler body, 2-combustion chamber, 3-hot water chamber, 4-air inlet fan, 5-air inlet pipe, 6-exhaust pipe, 7-insulating sleeve, 8-water tank, 9-water delivery pipe, 10-first electromagnetic valve, 11-water discharge pipe, 12-second electromagnetic valve, 13-air delivery pipe, 14-exhaust fan, 15-water inlet pipe, 16-third electromagnetic valve, 17-filter box, 18-air filter screen, 19-activated carbon net, 20-outer spiral pipe and 21-inner spiral pipe.

Detailed Description

As shown in fig. 1-2, an environment-friendly and energy-saving boiler using waste heat comprises a boiler body 1 and a water tank 8, wherein the boiler body 1 comprises a combustion chamber 2 and a hot water chamber 3, the hot water chamber 3 is arranged above the combustion chamber 2, the water tank 8 is arranged above the hot water chamber 3, an air inlet fan 4 is arranged at the left side of the boiler body 1, an air outlet of the air inlet fan 4 is connected with an air inlet pipe 5, the tail end of the air inlet pipe 5 is connected and communicated with the combustion chamber 2, an exhaust port of the combustion chamber 2 is connected with an exhaust pipe 6, the tail end of the exhaust pipe 6 is fixedly penetrated with the water tank 8, a heat insulation sleeve 7 is arranged outside the exhaust pipe 6, oxygen can be discharged into the combustion chamber 2 through the air inlet fan 4 by using the air inlet pipe 5, hot gas generated by combustion in the combustion chamber 2 can be discharged along the exhaust pipe 6, and the hot gas is conveyed in the exhaust pipe 6, the heat insulation sleeve 7 can play a role in heat insulation, and the loss of heat of hot air in the exhaust pipe 6 is reduced;

the inside interior spiral pipe 21 that is equipped with of water tank 8, the blast pipe 6 end is connected with interior spiral pipe 21 head end, interior spiral pipe 21 outside is equipped with outer spiral pipe 20, interior spiral pipe 21 end runs through the end of outer spiral pipe 20, interior spiral pipe 21 end-to-end connection has gas-supply pipe 13, gas-supply pipe 13 end runs through water tank 8 and is connected with exhaust fan 14, outer spiral pipe 20 end upper end phase has connect inlet tube 15, the end of inlet tube 15 runs through water tank 8 and is located gas-supply pipe 13 rear side, the end of outer spiral pipe 20 is the blind end, the head end of outer spiral pipe 20 is the open end, inlet tube 15 externally mounted has three 16 solenoid valves, inside steam can discharge into interior spiral pipe 21 along blast pipe 6, when steam discharges into interior spiral pipe 21, through starting three 16 solenoid valves, makes inlet tube 15 with the water discharge into outer spiral pipe 20, therefore, the water flow is positioned between the inner wall of the outer spiral pipe 20 and the outer wall of the inner spiral pipe 21, and the water flow flows spirally, so that hot air conveyed in the inner spiral pipe 21 can be fully utilized to heat water, and finally the water flow is discharged into the water tank 8 from the head end of the outer spiral pipe 20;

the upper end of the water tank 8 is provided with a filter box 17, the upper side and the lower side of the interior of the filter box 17 are respectively provided with an activated carbon net 19 and an air filter net 18, the right end of the exhaust fan 14 is connected and communicated with the filter box 17, the upper end of the filter box 17 is an open end, the exhaust fan 14 is positioned below the air filter net 18, the hot air used up can be exhausted into the filter box 17 along the air pipe 13 and the exhaust fan 14, then the hot air passes through the air filter net 18 and the activated carbon net 19 from bottom to top in sequence to complete filtering, and finally the hot air is exhausted from the opening above the filter box 17 to the outside, so that the filtering effect can be achieved, and the environmental pollution is reduced;

the water tank 8 is characterized in that a water delivery pipe 9 is connected to the lower side of the left end of the water tank 8, a first electromagnetic valve 10 is mounted outside the water delivery pipe 9, the tail end of the water delivery pipe 9 is connected with the hot water chamber 3, a drain pipe 11 is connected to the right end of the hot water chamber 3, a second electromagnetic valve 12 is mounted outside the drain pipe 11, the preheated water in the water tank 8 can be discharged into the hot water chamber 3 to be heated by opening the first electromagnetic valve 10, and the drain pipe 11 can be utilized to discharge the hot water in the hot water chamber 3 by opening the first electromagnetic valve 10.

Claims

1. The utility model provides a waste heat utilization's environmental protection and energy saving boiler, includes boiler body (1) and water tank (8), boiler body (1) includes combustion chamber (2) and hot water chamber (3), hot water chamber (3) set up in combustion chamber (2) top, water tank (8) set up in hot water chamber (3) top, its characterized in that:

inside spiral tube (21) of being equipped with of water tank (8), inside spiral tube (21) outside is equipped with outer spiral tube (20), the end that outer spiral tube (20) were run through to inner spiral tube (21) end, inner spiral tube (21) end-to-end connection has gas-supply pipe (13), gas-supply pipe (13) end is run through water tank (8) and is connected with exhaust fan (14), outer spiral tube (20) end upper end has connect inlet tube (15), inlet tube (15) end is run through water tank (8) and is located gas-supply pipe (13) rear side, rose box (17) have been arranged to water tank (8) upper end, activated carbon net (19) and air filter screen (18) have been arranged respectively to both sides about rose box (17) is inside, exhaust fan (14) right-hand member is connected with rose box (17) and communicates with each other.

2. The environment-friendly energy-saving boiler using waste heat according to claim 1, wherein: an air inlet fan (4) is arranged on the left side of the boiler body (1), an air outlet of the air inlet fan (4) is connected with an air inlet pipe (5), and the tail end of the air inlet pipe (5) is connected with and communicated with the combustion chamber (2).

3. The environment-friendly energy-saving boiler using waste heat according to claim 1, wherein: the exhaust port of combustion chamber (2) is connected with blast pipe (6), blast pipe (6) end and water tank (8) run through fixedly, blast pipe (6) outside is equipped with insulation cover (7), blast pipe (6) end is connected with interior spiral pipe (21) head end.

4. The environment-friendly energy-saving boiler using waste heat according to claim 1, wherein: the tail end of the outer spiral pipe (20) is a closed end, and the head end of the outer spiral pipe (20) is an open end.

5. The environment-friendly energy-saving boiler using waste heat according to claim 1, wherein: the upper end of the filter box (17) is an open end, and the exhaust fan (14) is positioned below the air filter screen (18).

6. The environment-friendly energy-saving boiler using waste heat according to claim 1, wherein: and a third electromagnetic valve (16) is arranged outside the water inlet pipe (15).

7. The environment-friendly energy-saving boiler using waste heat according to claim 1, wherein: the water tank (8) left end downside is connected with raceway (9), raceway (9) externally mounted has solenoid valve one (10), raceway (9) end is connected with hot-water chamber (3), hot-water chamber (3) right-hand member is connected with drain pipe (11), drain pipe (11) externally mounted has solenoid valve two (12).