CN212179628U

CN212179628U - Heating device for deep utilization of flue gas waste heat of natural gas boiler

Info

Publication number: CN212179628U
Application number: CN202020456990.0U
Authority: CN
Inventors: 吴倩; 王力杰; 郎立
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-18
Anticipated expiration: 2030-04-01

Abstract

The utility model is suitable for the field of boiler flue gas waste heat utilization and heat supply, and discloses a natural gas boiler flue gas waste heat deep utilization and heat supply device, which comprises a box shell; the water tank is arranged on the right side inside the tank shell, the heat collecting plate is arranged inside the water tank, the left side of the heat collecting plate penetrates through the left side of the water tank, the left end of the heat collecting plate is fixed on the left side inside the tank shell, the heat collecting plates are provided with a plurality of groups, and a through hole is formed in the left side inside the heat collecting plate; the left top intercommunication of case shell has the blast pipe, and the left bottom intercommunication of case shell has the dust cage, and the inside of dust cage is provided with the rack, and the rack embeds has the filter screen, and the left end intercommunication of dust cage has the flue gas pipe, and the dust outlet has been seted up to the bottom of dust cage. The utility model discloses an inside of case shell is provided with the thermal-arrest board, and when waste gas was discharged and is contacted the thermal-arrest board, waste gas will be slowly discharged by the through-hole, locks most heat, heats the water in the water tank to guarantee the abundant use of the energy.

Description

Heating device for deep utilization of flue gas waste heat of natural gas boiler

Technical Field

The utility model is suitable for a boiler flue gas waste heat utilization heat supply field especially relates to a natural gas boiler flue gas waste heat degree of depth utilization heating device.

Background

At present, gas-fired boilers taking natural gas as clean fuel are rapidly developed, the exhaust gas temperature of the gas-fired boilers is generally high, heat in smoke is directly lost, a large amount of heat is exhausted into the air along with the smoke, and energy waste and environmental heat pollution are caused.

At present, a waste heat utilization mechanism is lacked to solve the problems existing in the prior art, so that direct consumption of energy is caused, and the energy cannot be recycled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a natural gas boiler flue gas waste heat degree of depth utilizes heating device is provided with the thermal-arrest board through the inside of case shell, and when waste gas is discharged and is contacted the thermal-arrest board, waste gas will slowly be discharged by the through-hole, and most heat of locking heats the water in the water tank to guarantee the abundant use of energy, solved the problem of proposing in the background art.

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

a heating device for deep utilization of flue gas waste heat of a natural gas boiler comprises a box shell;

the water tank is arranged on the right side inside the tank shell, the heat collecting plate is arranged inside the water tank, the left side of the heat collecting plate penetrates through the left side of the water tank, the left end of the heat collecting plate is fixed on the left side inside the tank shell, the heat collecting plates are provided with a plurality of groups, and a through hole is formed in the left side inside the heat collecting plate;

the left top intercommunication of case shell has the blast pipe, and the left bottom intercommunication of case shell has the dust cage, and the inside of dust cage is provided with the rack, and the rack embeds there is the filter screen, and the left end intercommunication of dust cage has flue gas pipe, and the dust outlet has been seted up to the bottom of dust cage, and the left side and the right side of dust outlet all are fixed with the board shell, and the bottom of dust cage is provided with the plate washer.

Preferably, the heat collecting plate is made of copper material.

Preferably, the plate shells are L-shaped, the baffle is inserted between the two plate shells, and the outer wall of the baffle is fixed with a handle.

Preferably, the right side of the top end of the water tank is communicated with a water injection pipe, and the bottom end of the right side of the water tank is communicated with a drain pipe.

Preferably, the dust hood and the net rack are square, and the outer wall of the net rack is attached to the inner wall of the dust hood.

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

1. the utility model discloses an inside of case shell is provided with the thermal-arrest board, and when waste gas was discharged and is contacted the thermal-arrest board, waste gas will be slowly discharged by the through-hole, locks most heat, heats the water in the water tank to guarantee the abundant use of the energy.

2. The utility model discloses a be provided with the dust cage on the device, and the internally mounted of dust cage has the rack, and the rack embeds there is the filter screen, and back in the flue gas gets into the dust cage will intercept impurity and particulate matter that contain in the flue gas, avoids directly discharging to the environment in, plays better protection effect to the external environment.

3. The utility model discloses a dust cage bottom is provided with the plate washer, and when clearing up the dust cage, the plate washer of inserting between two sets of slab shells is taken out to the handle, makes the dust by the outside of dust outlet discharge dust cage, does benefit to and clears up fast the dust of isolating.

Drawings

Fig. 1 is a schematic view of the overall structure of a heating device for deep utilization of flue gas waste heat of a natural gas boiler provided by the present invention;

fig. 2 is the schematic structural diagram of the dust hood of the heating device for deep utilization of the flue gas waste heat of the natural gas boiler provided by the utility model.

In the figure: 1. a cabinet housing; 2. a water tank; 3. a water injection pipe; 4. a drain pipe; 5. a heat collecting plate; 6. A through hole; 7. an exhaust pipe; 8. a dust collection cover; 9. a net frame; 10. a filter screen; 11. a plate shell; 12. A baffle plate; 13. a flue gas pipe; 14. a dust outlet; 15. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in the model of providing with electrical apparatus only refer to, can be through changing the different models that the function is the same according to the actual use condition with electrical apparatus, to the ordinary technical personnel in this field, can understand that above-mentioned term is in by particular case the utility model provides a concrete meaning.

Referring to fig. 1-2, a heating device for deep utilization of flue gas waste heat of a natural gas boiler comprises a box shell 1;

the water tank 2 is arranged on the right side inside the tank shell 1, the heat collecting plates 5 are arranged inside the water tank 2, the left sides of the heat collecting plates 5 penetrate through the left side of the water tank 2, the left ends of the heat collecting plates 5 are fixed on the left side inside the tank shell 1, the heat collecting plates 5 are provided with multiple groups, and the left side inside the heat collecting plates 5 is provided with through holes 6;

the left top of case shell 1 communicates with and has blast pipe 7, and the left bottom of case shell 1 communicates with and has dust cage 8, and the inside of dust cage 8 is provided with rack 9, and rack 9 embeds has filter screen 10, and the left end of dust cage 8 communicates has flue gas pipe 13, and dust outlet 14 has been seted up to dust cage 8's bottom, and dust outlet 14's left side and right side all are fixed with board shell 11, and the bottom of dust cage 8 is provided with plate washer 12.

Referring to fig. 1 in the present embodiment, when exhaust gas is discharged into the case housing 1 and contacts the heat collecting plate 5, the exhaust gas is slowly discharged through the through hole 6, locking most of the heat, and heating water in the water tank 2, thereby ensuring sufficient use of energy.

Wherein, the heat collecting plate 5 is made of copper material.

Wherein, the board shell 11 is L-shaped, the baffle 12 is inserted between the two sets of board shells 11, and the outer wall of the baffle 12 is fixed with a handle 15.

Wherein, the right side on water tank 2 top communicates there is water injection pipe 3, and the bottom intercommunication on water tank 2 right side has drain pipe 4.

Wherein, the dust cage 8 and the net rack 9 are both square, and the outer wall of the net rack 9 is attached to the inner wall of the dust cage 8.

The utility model discloses during the use: the waste smoke is conveyed into the dust collection cover 8 through the smoke pipe 13, the particles and impurities in the smoke are intercepted by the intercepting net 10 arranged in the net rack 9, the dust and the impurities are accumulated in the dust collection cover 8, the filtered smoke enters the inner part of the case shell 1 and is directly discharged on the surface of the heat collection plate 5, the heat collection plate 5 collects the heat in the smoke, the heat is poured into the water tank 2 to heat the water in the water tank 2, the energy is convenient to recover and provide hot water, the smoke is discharged to the through hole 6 formed in the heat collection plate 5 and slowly flows out, and finally is discharged from the external connection through the exhaust pipe 7, the efficiency of energy collection is greatly improved, the environment is protected, the energy is fully used, when the dust collection cover 8 is cleaned, the handle 15 is drawn out of the baffle plate 12 inserted between the two sets of plate shells 11, so that the dust is discharged out of the dust collection cover 8 through the dust outlet 14, the design is simple, comparatively practical.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heating device for deep utilization of flue gas waste heat of a natural gas boiler is characterized by comprising a box shell (1);

a water tank (2) is arranged on the right side inside the tank shell (1), a heat collecting plate (5) is arranged inside the water tank (2), the left side of the heat collecting plate (5) penetrates through the left side of the water tank (2), the left end of the heat collecting plate (5) is fixed on the left side inside the tank shell (1), a plurality of groups of heat collecting plates (5) are arranged, and a through hole (6) is formed in the left side inside the heat collecting plate (5);

the left top end of the box shell (1) is communicated with an exhaust pipe (7), the left bottom end of the box shell (1) is communicated with a dust collection cover (8), a net rack (9) is arranged inside the dust collection cover (8), a filter screen (10) is arranged inside the net rack (9), the left end of the dust collection cover (8) is communicated with a flue gas pipe (13), a dust outlet (14) is formed in the bottom end of the dust collection cover (8), plate shells (11) are fixed on the left side and the right side of the dust outlet (14), and a baffle plate (12) is arranged at the bottom end of the dust collection cover (8).

2. The heating apparatus for deeply utilizing the residual heat of flue gas of a natural gas boiler according to claim 1, wherein the heat collecting plates (5) are made of copper material.

3. The heating device for deeply utilizing the residual heat of the flue gas of the natural gas boiler according to the claim 1, wherein the plate shells (11) are L-shaped, the baffle plate (12) is inserted between the two groups of plate shells (11), and the handle (15) is fixed on the outer wall of the baffle plate (12).

4. The heating device for deeply utilizing the residual heat of the flue gas of the natural gas boiler according to the claim 1, characterized in that the right side of the top end of the water tank (2) is communicated with a water injection pipe (3), and the bottom end of the right side of the water tank (2) is communicated with a water discharge pipe (4).

5. The heating device for deeply utilizing the residual heat of the flue gas of the natural gas boiler according to claim 1, wherein the dust hood (8) and the net rack (9) are square, and the outer wall of the net rack (9) is attached to the inner wall of the dust hood (8).