CN211232826U

CN211232826U - Environment-friendly chemical tail gas incineration waste heat boiler

Info

Publication number: CN211232826U
Application number: CN201922303434.XU
Authority: CN
Inventors: 季建鹏; 陈平; 张炼; 贾文欣
Original assignee: Changzhou Chemical Equipment Manufacturing And Installation Co ltd
Current assignee: Changzhou Chemical Equipment Manufacturing And Installation Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-11
Anticipated expiration: 2029-12-19

Abstract

The utility model belongs to the technical field of waste heat boilers, in particular to an environment-friendly chemical tail gas incineration waste heat boiler, which comprises a heating tank and a combustion tank, wherein a combustion chamber is arranged inside the combustion tank, heat insulation asbestos is arranged between the combustion tank and the combustion chamber, a feeding pipe is arranged on the surface of the combustion chamber, connecting discs are welded at the lower end of the heating tank and the upper end of the combustion tank, a heating pipe is arranged inside the heating tank, gas collecting discs are welded at the two ends of the heating pipe, and a vent pipe is arranged on the surface of the gas collecting disc welded at the upper end of the heating pipe; through the welded gas collecting disc in heating pipe both ends, simultaneously connect through the connecting pipe between gas collecting disc and the combustion chamber, be convenient for the gas collecting disc assembles the inside hot-air back of combustion chamber and gets into the inside of heating pipe, is convenient for heat the water of pouring into through the inlet tube, and the internal heat absorption fin of heating pipe internal surface welded simultaneously to and heating pipe surface welded outer radiating fin have increased the area that hot-air and heating pipe contacted.

Description

Environment-friendly chemical tail gas incineration waste heat boiler

Technical Field

The utility model belongs to the technical field of exhaust-heat boiler, concretely relates to chemical industry tail gas burns exhaust-heat boiler for environmental protection.

Background

The waste heat boiler is a boiler for generating steam by using waste heat in an industrial production process. It belongs to a high-temperature and high-pressure heat exchanger. Waste heat boilers are earlier used for generating some low-pressure steam, the recovered heat is limited, and the waste heat boilers are only used as general auxiliary equipment for production, and tail gas incineration is combustion equipment for recycling tail gas and is often used together with the waste heat boilers. Traditional exhaust-heat boiler that tail gas burns is when using, and the combustion chamber is connected too firm not convenient for dismantle with exhaust-heat boiler, and convenient to detach's stability is not enough again, and heat transfer rate is low simultaneously, the poor problem of heat exchange efficiency.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an environmental protection is with chemical industry tail gas incineration exhaust heat boiler has convenient to detach, stable in structure simultaneously, and heat transfer rate is fast, efficient characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: an environmental-friendly chemical tail gas incineration waste heat boiler comprises a heating tank and a combustion tank, wherein a combustion chamber is arranged inside the combustion tank, heat-insulating asbestos is arranged between the combustion tank and the combustion chamber, a feed pipe is arranged on the surface of the combustion chamber, connecting discs are welded at the lower end of the heating tank and the upper end of the combustion tank, a heating pipe is arranged in the heating tank, the two ends of the heating pipe are welded with gas collecting discs, the surface of the gas collecting disc welded at the upper end of the heating pipe is provided with an exhaust pipe, the upper end of the combustion chamber is welded with a connecting pipe which is inserted into a gas collecting disc welded at the lower end of the heating pipe, the outer surface of the heating pipe is welded with outer radiating fins, the inner surface of the heating pipe is welded with inner heat absorbing fins, the surface welding of heating jar has inlet tube and outlet pipe, inlet tube and outlet pipe pass through the heating jar intercommunication.

As the utility model discloses a chemical industry tail gas burns preferred technical scheme of exhaust-heat boiler for environmental protection, the spacing groove has been seted up on the surface of connection pad, the internally mounted of spacing groove has the spacing ring, spacing hole has still been seted up on the surface of connection pad, the internally mounted in spacing hole has spacing post.

As the utility model discloses a chemical industry tail gas burns preferred technical scheme of exhaust-heat boiler for environmental protection, spacing groove and spacing ring are the ring structure, eight have been seted up in the spacing hole that the connection pad surface was seted up.

As the utility model discloses an environmental protection is with chemical industry tail gas incineration exhaust heat boiler preferred technical scheme, the gas collection dish is discoid structure, gas collection dish surface welded heating pipe equidistant distribution.

As the utility model discloses an environmental protection is with chemical industry tail gas incineration exhaust heat boiler preferred technical scheme, outer radiating fin and interior heat absorption fin are the loop configuration, just interior heat absorption fin is horn mouth column structure.

As the utility model discloses an environmental protection is with chemical industry tail gas incineration exhaust heat boiler preferred technical scheme, the combustion chamber upper end is half ball lower extreme and is the cylindrical assembly.

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

1. through the welded gas collection dish in heating pipe both ends, connect through the connecting pipe between gas collection dish and the combustion chamber simultaneously, be convenient for the gas collection dish assembles the inside hot-air back of combustion chamber and gets into the inside of heating pipe, be convenient for heat the water of pouring into through the inlet tube, heating pipe internal surface welded internal heat absorption fin simultaneously, and heating pipe surface welded outer radiating fin, the area that hot-air and heating pipe contacted has been increased, the area that heating pipe and water contacted has been improved simultaneously, the speed of heat transfer has been improved.

2. Connect through the connection pad between heating jar and the burning jar, connect through spacing groove, spacing ring, spacing hole and spacing post between two connection pads simultaneously, the inside at the spacing groove is installed to the spacing ring simultaneously, and spacing post inserts the inside in spacing hole, has improved stability and the convenience that heating jar and burning jar are connected.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic structural view of the heating tube, the outer heat-dissipating fins and the inner heat-absorbing fins of the present invention;

FIG. 3 is a schematic view of the connection structure of the heating tank and the combustion tank in the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a connection pad in the present invention;

in the figure: 1. a heating tank; 2. a combustion can; 3. heat insulating asbestos; 4. a combustion chamber; 5. a feed pipe; 6. a connecting disc; 7. a connecting pipe; 8. a gas collecting tray; 9. heating a tube; 10. an exhaust pipe; 11. a water inlet pipe; 12. a water outlet pipe; 13. a limiting groove; 14. a limiting ring; 15. a limiting hole; 16. a limiting column; 17. an outer heat dissipating fin; 18. an inner heat absorbing fin.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an environmental protection is with chemical industry tail gas incineration waste heat boiler, including heating tank 1 and combustion can 2, the inside of combustion can 2 is provided with combustion chamber 4, be provided with thermal-insulated asbestos 3 between combustion can 2 and the combustion chamber 4, the surface mounting of combustion chamber 4 has inlet pipe 5, connection pad 6 has all been welded to the lower extreme of heating tank 1 and the upper end of combustion can 2, the inside of heating tank 1 is provided with heating pipe 9, the both ends welding of heating pipe 9 has gas collection dish 8, 8 surface mounting of heating pipe 9 upper end welded gas collection dish have blast pipe 10, the upper end welding of combustion chamber 4 has connecting pipe 7, connecting pipe 7 inserts inside the 8 of heating pipe 9 lower extreme welded gas collection dish, the outer surface welding of heating pipe 9 has outer radiating fin 17, the interior heat absorption fin 18 of the interior welding of heating pipe 9, the surface welding of heating tank 1 has inlet tube 11 and outlet pipe 12, inlet.

In this embodiment, through the gas collection dish 8 of heating pipe 9 both ends welded, connect through connecting pipe 7 between gas collection dish 8 and the combustion chamber 4 simultaneously, be convenient for gas collection dish 8 assembles the inside of entering heating pipe 9 behind the inside hot-air of combustion chamber 4, be convenient for heat the water of pouring into through inlet tube 11 into, heating pipe 9 internal surface welded's simultaneously internal heat absorption fin 18, and heating pipe 9 surface welded's outer heat dissipation fin 17, the area of hot-air with heating pipe 9 contact has been increased, heating pipe 9 and water contact's area has been improved simultaneously, the speed of heat transfer has been improved.

Specifically, the limiting groove 13 has been seted up on the surface of connection pad 6, and the internally mounted of limiting groove 13 has spacing ring 14, and spacing hole 15 has still been seted up on the surface of connection pad 6, and the internally mounted of spacing hole 15 has spacing post 16, and spacing groove 13 and spacing ring 14 are the ring structure, and eight have been seted up in the spacing hole 15 that connection pad 6 surface was seted up.

In this embodiment, connect through connection pad 6 between heating jar 1 and the burning jar 2, connect through spacing groove 13, spacing ring 14, spacing hole 15 and spacing post 16 between two connection pads 6 simultaneously, spacing ring 14 is installed in the inside of spacing groove 13 simultaneously, and spacing post 16 inserts the inside in spacing hole 15, has improved the stability and the convenience that heating jar 1 and burning jar 2 are connected.

Specifically, the gas collecting disc 8 is of a disc-shaped structure, and heating pipes 9 welded on the surface of the gas collecting disc 8 are distributed at equal intervals.

In this embodiment, through the air collecting plate 8 that is discoid structure, the equidistant distribution of heating pipe 9 of air collecting plate 8 surface welding simultaneously is convenient for hot-air to enter into the inside of heating pipe 9.

Specifically, the outer heat dissipation fins 17 and the inner heat absorption fins 18 are both of an annular structure, and the inner heat absorption fins 18 are of a bell mouth-shaped structure.

In this embodiment, the outer heat dissipating fins 17 and the inner heat absorbing fins 18 are both annular structures, and the inner heat absorbing fins 18 are horn-shaped structures, so that the heat exchange rate is increased.

Specifically, the upper end of the combustion chamber 4 is a combination body with a half sphere and a cylinder at the lower end.

In this embodiment, the combustion chamber 4, which has a half-ball upper end and a cylindrical lower end, facilitates the upward movement of the combusted gas.

The utility model discloses a theory of operation and use flow: when the gas-fired boiler is used, the combustion tank 2 is placed at a proper position, the limiting ring 14 is installed inside the limiting groove 13, the limiting column 16 is inserted into the limiting hole 15, the heating tank 1 is installed at the upper end of the combustion tank 2, the connecting disc 6 welded at the lower end of the heating tank 1 is in contact with the connecting disc 6 welded at the upper end of the combustion tank 2, meanwhile, the two connecting discs 6 are fixed through the limiting groove 13, the limiting ring 14, the limiting hole 15 and the limiting column 16, when the gas-fired boiler is used, industrial tail gas and fuel gas are injected into the combustion chamber 4 through the feeding pipe 5 for combustion, meanwhile, water is injected into the heating tank 1 through the water inlet pipe 11, at the moment, high-temperature gas enters the heating pipe 9 through the gas collecting disc 8, meanwhile, the heating pipe 9 and the inner heat absorption fins 18 welded on the inner surface exchange heat with the high-temperature gas, and the heating pipe 9 and the, and simultaneously, the gas after heat exchange is discharged outwards through the exhaust pipe 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 an environmental protection is with chemical industry tail gas incineration waste heat boiler, includes heating jar (1) and burning jar (2), its characterized in that: the utility model discloses a heat insulation asbestos burner, including combustion tank (2), heating jar (2), connecting pipe (10), heating jar (1), heating jar (2), combustion tank (4), combustion tank (2) and combustion tank (4) are provided with thermal-insulated asbestos (3) between inside, the surface mounting of combustion tank (4) has inlet pipe (5), connecting disc (6) have all been welded to the lower extreme of heating jar (1) and the upper end of combustion tank (2), the inside of heating jar (1) is provided with heating pipe (9), the both ends welding of heating pipe (9) has gas collection dish (8), heating pipe (9) upper end welded gas collection dish (8) surface mounting has blast pipe (10), the upper end welding of combustion chamber (4) has connecting pipe (7), inside connecting pipe (7) inserted heating pipe (9) lower extreme welded gas collection dish (8), the skin weld of heating pipe (9) has outer heat dissipation fin (17), the interior skin weld of heating, the surface welding of heating jar (1) has inlet tube (11) and outlet pipe (12), inlet tube (11) and outlet pipe (12) are through heating jar (1) intercommunication.

2. The environmental-friendly chemical tail gas incineration waste heat boiler according to claim 1, characterized in that: spacing groove (13) have been seted up on the surface of connection pad (6), the internally mounted of spacing groove (13) has spacing ring (14), spacing hole (15) have still been seted up on the surface of connection pad (6), the internally mounted of spacing hole (15) has spacing post (16).

3. The environmental-friendly chemical tail gas incineration waste heat boiler according to claim 2, characterized in that: the limiting groove (13) and the limiting ring (14) are both of a circular ring structure, and eight limiting holes (15) formed in the surface of the connecting disc (6) are formed.

4. The environmental-friendly chemical tail gas incineration waste heat boiler according to claim 1, characterized in that: the gas collecting disc (8) is of a disc-shaped structure, and heating pipes (9) welded on the surface of the gas collecting disc (8) are distributed at equal intervals.

5. The environmental-friendly chemical tail gas incineration waste heat boiler according to claim 1, characterized in that: the outer radiating fins (17) and the inner heat absorption fins (18) are both of annular structures, and the inner heat absorption fins (18) are of horn mouth-shaped structures.

6. The environmental-friendly chemical tail gas incineration waste heat boiler according to claim 1, characterized in that: the upper end of the combustion chamber (4) is a combination body with a half ball and a cylindrical lower end.