CN216897259U

CN216897259U - Boiler steam recovery unit

Info

Publication number: CN216897259U
Application number: CN202220129897.8U
Authority: CN
Inventors: 张显亮
Original assignee: Guangdong Chencun Food Co ltd
Current assignee: Guangdong Chencun Food Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-05
Anticipated expiration: 2032-01-18

Abstract

The utility model belongs to the technical field of boiler equipment, in particular to a boiler vapor recovery device, which comprises a heating furnace, the top of the heating furnace is provided with a boiler, the top of the boiler is provided with a water collecting tank, the top of the water collecting tank is provided with a heat exchange tank, the inner cavity of the heat exchange tank is provided with a heat exchange tube, the heat exchange tube comprises an outer air tube, the inner cavity of the outer air tube is provided with an inner water tube, the inner ring of the outer air tube and the outer ring of the inner water tube are both provided with a plurality of baffles, the left side of the boiler is provided with a support plate, the top of the support plate is provided with a liquid pump, waste gas is discharged into the outer air tube from an air inlet tube, the liquid pump can pump water in the boiler into the inner water tube from a water delivery tube and a water inlet tube, waste gas and water can exchange heat through the tube wall of the inner water tube, the baffles can delay the passing speed of the waste gas, the water can absorb heat in the waste gas as much as possible, the water is discharged back into the boiler from a water outlet tube, the heating speed of the boiler can be accelerated, not only can improve the production efficiency of the steam, but also can reduce the consumption of the fuel gas and save the production cost.

Description

Boiler steam recovery unit

Technical Field

The utility model belongs to the technical field of boiler equipment, specifically a boiler vapor recovery unit.

Background

The boiler is an energy conversion device, the energy input to the boiler has chemical energy, electric energy in the fuel, the boiler output has certain steam, high-temperature water or organic heat carrier of heat energy, current gas boiler is when using, the waste gas that the burning produced is arranged outward after handling, does not carry out recycle to the heat in the waste gas, leads to its thermal waste, contains more vapor in the waste gas simultaneously, does not carry out recycle to vapor, not only leads to the waste of water, still can lead to the treatment cost of waste gas higher. The utility model provides a boiler water vapor recovery device, which can solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a boiler vapor recovery unit has the advantage that can carry out recycle to heat and vapor in the waste gas to solve the above-mentioned problem that present gas boiler appears that proposes.

The technical scheme that this practicality was adopted is specifically as follows:

the utility model provides a boiler vapor recovery unit, includes the heating furnace, the open-top of heating furnace, the top of heating furnace is provided with the boiler, the top of boiler is provided with the header tank, the top of header tank is provided with the heat transfer case, the inner chamber of heat transfer case is provided with the heat exchange tube, the heat exchange tube includes outer trachea, outer tracheal inner chamber is provided with interior water pipe, interior water pipe with be provided with the subassembly that draws water between the left side of boiler, the top on heating furnace right side with be provided with the exhaust subassembly between the interior water pipe, the left bottom through connection of heating furnace has the gas pipe, the bottom through connection on heating furnace right side has the air hose, the inlet of liquid pump is connected with the raceway, the water inlet of raceway runs through the left bottom of boiler.

Preferably, the inner ring of the outer air pipe and the outer ring of the inner water pipe are both provided with a plurality of baffles.

Preferably, the bottoms of the left side and the right side of the heat exchange tube penetrate through the bottom of the inner wall of the heat exchange box, and heat insulation materials are filled in the inner cavity of the heat exchange box.

Preferably, a supporting plate is arranged on the left side of the boiler, the water pumping assembly comprises a liquid pump arranged on the supporting plate, a liquid outlet of the liquid pump is connected with a water inlet pipe, a liquid outlet of the water inlet pipe is connected with a water inlet of an inner water pipe, a water outlet of the inner water pipe is connected with a water outlet pipe, and a water outlet of the water outlet pipe penetrates through the top of the right side of the boiler.

Preferably, the exhaust assembly comprises an air inlet pipe which is in through connection with the bottom of the right side of the outer air pipe, an air inlet of the air inlet pipe penetrates through the top of the right side of the heating furnace, and an air outlet pipe is in through connection with the bottom of the left side of the outer air pipe.

Preferably, the bottom of the outer air pipe is uniformly connected with a plurality of water guide pipes in a penetrating manner, and water outlets of the water guide pipes penetrate through the top of the water collecting tank.

The technical effect that this practicality was gained does:

1. the utility model discloses a boiler vapor recovery unit, the waste gas that the burning produced is discharged into in the outer trachea by exhaust assembly, the liquid pump can be with the water in the boiler in by the subassembly suction that draws water in the water pipe, the pipe wall of water pipe carries out the heat exchange in this in-process waste gas and the water accessible, the baffle can delay the speed of passing through of waste gas, make the water can absorb the heat in the waste gas as much as possible, water after the heat absorption is by in the outlet pipe discharge boiler, can accelerate the boiler water intensification speed, not only can improve the production efficiency of steam, still can reduce the consumption of gas, practice thrift manufacturing cost.

2. The utility model discloses a boiler vapor recovery unit, among the heat exchange process of waste gas and water, the partial vapor in the waste gas condenses into water because of the cooling, and water is collected by the aqueduct inflow header tank in, but obtains concentrating, but the water recycle after deacidification treatment of collection, so not only reducible waste gas in the handling capacity of vapor, reduce the exhaust-gas treatment cost, still can make partial vapor obtain recycle, can practice thrift boiler water consumption, practice thrift manufacturing cost.

Drawings

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

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

fig. 3 is an enlarged view of the utility model at B in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. heating furnace; 2. a boiler; 4. a heat exchange box; 5. a heat exchange pipe; 51. an outer trachea; 52. an inner water pipe; 53. A baffle plate; 6. a support plate; 7. a liquid pump; 8. a gas pipe; 9. an air tube; 10. a water delivery pipe; 11. a thermal insulation material; 12. a water inlet pipe; 13. a water outlet pipe; 14. an air inlet pipe; 15. an air outlet pipe; 16. a water conduit.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following examples. It is to be understood that the following text is only intended to describe one or several particular embodiments of the utility model, and does not strictly limit the scope of the claims to which this invention pertains.

As shown in fig. 1-3, a boiler vapor recovery device comprises a heating furnace 1, an ignition switch is arranged in the heating furnace 1, the top of the heating furnace 1 is open, a boiler 2 is arranged on the top of the heating furnace 1, a water collecting tank is arranged on the top of the boiler 2, a heat exchange tank 4 is arranged on the top of the water collecting tank, a heat exchange pipe 5 is arranged in an inner cavity of the heat exchange tank 4, the heat exchange pipe 5 comprises an outer air pipe 51, an inner water pipe 52 is arranged in the inner cavity of the outer air pipe 51, a water pumping assembly is arranged between the inner water pipe 52 and the left side of the boiler 2, an exhaust assembly is arranged between the top of the right side of the heating furnace 1 and the inner water pipe 52, a gas pipe 8 is connected to the bottom of the left side of the heating furnace 1 in a penetrating manner, natural gas can be introduced into the heating furnace 1 through the gas pipe 8, an air pipe 9 is connected to the bottom of the right side of the heating furnace 1 in a penetrating manner, and compressed air is introduced into the heating furnace 1 through the air pipe 9, after the air and the fuel gas are mixed uniformly, the ignition switch ignites the natural gas, and the natural gas is combusted to heat the water in the boiler 2.

Specifically, the bottoms of the left side and the right side of the heat exchange tube 5 penetrate through the bottom of the inner wall of the heat exchange box 4.

Specifically, boiler 2's left side is provided with extension board 6, the subassembly that draws water is including setting up liquid pump 7 on the extension board 6, the inlet of liquid pump 7 is connected with raceway 10, the water inlet of raceway 10 runs through the left bottom of boiler 2, the liquid outlet of liquid pump 7 is connected with inlet tube 12, the liquid outlet of inlet tube 12 is connected with the water inlet of interior water pipe 52, the delivery port of interior water pipe 52 is connected with outlet pipe 13, the delivery port of outlet pipe 13 runs through the top on boiler 2 right side, in liquid pump 7 can be with the water in the boiler 2 by raceway 10 and the interior water pipe 52 of the 12 suction of inlet tube, discharge back to boiler 2 in by outlet pipe 13 again.

Specifically, exhaust assembly includes the intake pipe 14 with outer trachea 51 right side bottom through connection, and the air inlet of intake pipe 14 runs through the top on heating furnace 1 right side, and the left bottom through connection of outer trachea 51 has outlet duct 15, and the waste gas that the natural gas burning produced in heating furnace 1 is discharged into outer trachea 51 by intake pipe 14 in, is handled in discharging into outside exhaust treatment device by outlet duct 15 again.

Furthermore, a plurality of baffles 53 are arranged on the inner ring of the outer air pipe 51 and the outer ring of the inner water pipe 52, the baffles 53 are obliquely arranged, a plurality of water guide pipes 16 are uniformly connected to the bottom of the outer air pipe 51 in a penetrating manner, water outlets of the water guide pipes 16 penetrate through the top of the water collecting tank, waste gas and water can exchange heat in the heat exchange pipe 5 through the pipe wall of the inner water pipe 52, the baffles 53 can delay the passing speed of the waste gas, so that water can absorb heat in the waste gas as much as possible, part of water vapor in the waste gas is condensed into water due to cooling, and the condensed water flows into the water collecting tank through the water guide pipes 16 to be collected in a centralized manner.

Further, the inner cavity of the heat exchange box 4 is filled with a heat insulation material 11, and the heat insulation material 11 can reduce the loss of heat in the heat exchange box 4 and improve the heat exchange rate of water and waste gas in the heat exchange tube 5.

The working principle of the utility model is as follows: when in use, natural gas can be introduced into the heating furnace 1 through the gas pipe 8, compressed air is introduced into the heating furnace 1 through the air pipe 9, after the air and the gas are mixed uniformly, the natural gas is ignited, the natural gas is combusted and heats water in the boiler 2, waste gas generated by combustion is discharged into the outer air pipe 51 through the air inlet pipe 14 and then is discharged into an external waste gas treatment device through the air outlet pipe 15 for treatment, the water in the boiler 2 can be pumped into the inner water pipe 52 through the water conveying pipe 10 and the water inlet pipe 12 by the liquid pump 7, in the process, the waste gas and the water can exchange heat through the pipe wall of the inner water pipe 52, the baffle 53 can delay the passing speed of the waste gas, so that the water can absorb heat in the waste gas as much as possible, part of vapor in the waste gas is condensed into water due to cooling, the condensed water flows into the water collecting tank through the water guide pipe 16 to be collected in a centralized manner, and the collected water contains certain acidic substances, the water after heat absorption is discharged back to the boiler 2 through the water outlet pipe 13, so that the temperature rising speed of the water in the boiler 2 can be accelerated, the production efficiency of steam can be improved, the consumption of fuel gas can be reduced, and the production cost can be saved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated in the present application are generally implemented in the art by conventional means without specific recitation or limitation.

Claims

1. The utility model provides a boiler steam recovery unit, includes heating furnace (1), its characterized in that: the top opening of heating furnace (1), the top of heating furnace (1) is provided with boiler (2), the top of boiler (2) is provided with the header tank, the top of header tank is provided with heat transfer case (4), the inner chamber of heat transfer case (4) is provided with heat exchange tube (5), heat exchange tube (5) include outer trachea (51), the inner chamber of outer trachea (51) is provided with interior water pipe (52), interior water pipe (52) with be provided with the subassembly of drawing water between the left side of boiler (2), the left side of boiler (2) is provided with extension board (6), the subassembly of drawing water includes setting up liquid pump (7) on extension board (6), the liquid outlet of liquid pump (7) is connected with inlet tube (12), the liquid outlet of inlet tube (12) with the water inlet of interior water pipe (52) is connected, the delivery port of interior water pipe (52) is connected with outlet pipe (13), the delivery port of outlet pipe (13) runs through the top on boiler (2) right side, the top on heating furnace (1) right side with be provided with the exhaust subassembly between interior water pipe (52), the left bottom through connection of heating furnace (1) has gas pipe (8), the bottom through connection on heating furnace (1) right side has air hose (9), the inlet of liquid pump (7) is connected with raceway (10), the water inlet of raceway (10) runs through the left bottom of boiler (2).

2. Boiler water vapor recovery apparatus according to claim 1, characterized in that: the inner ring of the outer air pipe (51) and the outer ring of the inner water pipe (52) are both provided with a plurality of baffles (53).

3. Boiler water vapor recovery apparatus according to claim 1, characterized in that: the bottoms of the left side and the right side of the heat exchange tube (5) penetrate through the bottom of the inner wall of the heat exchange box (4), and heat insulation materials (11) are filled in the inner cavity of the heat exchange box (4).

4. Boiler water vapor recovery apparatus according to claim 1, characterized in that: the exhaust assembly comprises an air inlet pipe (14) which is connected with the bottom of the right side of the outer air pipe (51) in a penetrating manner, and an air outlet pipe (15) is connected with the bottom of the left side of the outer air pipe (51) in a penetrating manner.

5. Boiler water vapor recovery apparatus according to claim 2, characterized in that: the bottom of the outer air pipe (51) is uniformly connected with a plurality of water guide pipes (16) in a penetrating mode, and water outlets of the water guide pipes (16) penetrate through the top of the water collecting tank.