CN212692557U

CN212692557U - Boiler for utilizing waste heat of calcined petroleum coke flue gas

Info

Publication number: CN212692557U
Application number: CN202021337896.XU
Authority: CN
Inventors: 于建国; 张元腾; 展昭峰; 张毅; 吴军; 吕现功
Original assignee: Jining Hongchangda New Material Co ltd
Current assignee: Jining Hongchangda New Material Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-12
Anticipated expiration: 2030-07-09

Abstract

The utility model belongs to the technical field of waste heat utilization, in particular to a calcined petroleum coke flue gas waste heat utilization boiler, which comprises a first boiler body and a second boiler body, wherein the second boiler body is arranged on the top surface of the first boiler body; the smoke-free furnace also comprises a U-shaped connecting pipe, a primary smoke inlet and a primary smoke outlet are respectively arranged at two ends of the first furnace body, and a smoke pipe is fixed in the first furnace body; the inner space of the second furnace body is a water chamber, two ends of the second furnace body are respectively provided with a secondary flue gas inlet and a secondary flue gas outlet, and a flue is fixed in the water chamber; the utility model discloses a calcined petroleum coke flue gas waste heat utilization boiler, which is divided into a first boiler body and a second boiler body, wherein the first boiler body is used for dedusting high-temperature flue gas, and the first boiler body is provided with a water interlayer for waste heat recovery; no. two furnace bodies have the flue of Z type structure for rather than the water indoor normal atmospheric temperature water abundant heat exchange, improve waste heat recovery efficiency, the device convenient to use, waste heat conversion efficiency and easily clearance.

Description

Boiler for utilizing waste heat of calcined petroleum coke flue gas

Technical Field

The utility model belongs to the technical field of waste heat utilization, concretely relates to back petroleum coke flue gas waste heat utilization boiler forges.

Background

The calcining furnace is a thermal equipment for heat-treating carbon raw material (such as coke and anthracite) at high temperature to improve the performance of raw material, and is used for making iron, recovering rare metal, producing catalyst, improving environment and producing special chemicals.

When the original calcined petroleum coke flue gas waste heat utilization boiler is used, the waste heat conversion efficiency of the boiler is not high, and the boiler is very troublesome to clean.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a calcined petroleum coke flue gas waste heat utilization boiler, which has the characteristics of convenient use and easy cleaning.

In order to achieve the above object, the utility model provides a following technical scheme: a boiler for utilizing waste heat of calcined petroleum coke flue gas comprises a first boiler body and a second boiler body, wherein the second boiler body is arranged on the top surface of the first boiler body; the smoke tube is fixed in the first furnace body and enables the first-stage smoke inlet and the first-stage smoke outlet to be communicated; the inner space of the second furnace body is a water chamber, two ends of the second furnace body are respectively provided with a secondary flue gas inlet and a secondary flue gas outlet, and a flue which enables the secondary flue gas inlet and the secondary flue gas outlet to be communicated is fixed in the water chamber; the secondary flue gas inlet is communicated with the primary flue gas outlet through a U-shaped connecting pipe; the surface of the first furnace body is hinged with a cleaning sealing door.

As an optimized technical scheme of the utility model, the flue is "Z" type pipeline structure.

As an optimized technical scheme of the utility model, the inside of furnace body is equipped with the water intermediate layer the both ends of furnace body still are provided with respectively the one-level water inlet and the one-level delivery port of water intermediate layer intercommunication.

As an optimized technical scheme of the utility model, the both ends of No. two furnace bodies still are provided with the second grade water inlet and the second grade delivery port with the hydroecium intercommunication respectively.

As an optimized technical scheme of the utility model, the water interlayer is "n" die cavity body structure.

As the utility model discloses a preferred technical scheme still including connecing the ash box, connect the ash box place in the furnace body, the ash hole has been seted up to the bottom surface of tobacco pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a calcined petroleum coke flue gas waste heat utilization boiler, which is divided into a first boiler body and a second boiler body, wherein the first boiler body is used for dedusting high-temperature flue gas, and the first boiler body is provided with a water interlayer for waste heat recovery; no. two furnace bodies have the flue of Z type structure for rather than the water indoor normal atmospheric temperature water abundant heat exchange, improve waste heat recovery efficiency, the device convenient to use, waste heat conversion efficiency and easily clearance.

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 front view of the present invention;

FIG. 3 is a schematic side sectional view of a first furnace body of the present invention;

in the figure: 1. a first furnace body; 2. a second furnace body; 3. a primary flue gas inlet; 4. a primary flue gas outlet; 5. a primary water inlet; 6. a primary water outlet; 7. a secondary flue gas outlet; 8. a secondary flue gas inlet; 9. a U-shaped connecting pipe; 10. a secondary water inlet; 11. a secondary water outlet; 12. cleaning the sealing door; 13. a water chamber; 14. a flue; 15. a smoke pipe; 16. ash falling holes; 17. an ash receiving box; 18. and (4) water interlayer.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: a boiler for utilizing waste heat of calcined petroleum coke flue gas comprises a first furnace body 1 and a second furnace body 2, wherein the second furnace body 2 is arranged on the top surface of the first furnace body 1; the device also comprises a U-shaped connecting pipe 9, a primary flue gas inlet 3 and a primary flue gas outlet 4 are respectively arranged at two ends of the first furnace body 1, and a flue pipe 15 which enables the primary flue gas inlet 3 and the primary flue gas outlet 4 to be communicated is fixed in the first furnace body 1; the inner space of the second furnace body 2 is a water chamber 13, two ends of the second furnace body 2 are respectively provided with a secondary flue gas inlet 8 and a secondary flue gas outlet 7, and a flue 14 which enables the secondary flue gas inlet 8 and the secondary flue gas outlet 7 to be communicated is fixed in the water chamber 13; the secondary flue gas inlet 8 is communicated with the primary flue gas outlet 4 through a U-shaped connecting pipe 9; the surface of the first furnace body 1 is hinged with a cleaning sealing door 12, when the first furnace body is used, a proper amount of normal-temperature water is stored in a water chamber 13 in advance, high-temperature flue gas is introduced into a flue pipe 15 from a first-level flue gas inlet 3, enters a U-shaped connecting pipe 9 through the flue pipe 15 and enters a flue 14 through the U-shaped connecting pipe 9, and when the high-temperature flue gas passes through the flue 14, the high-temperature flue gas can generate heat exchange with the normal-temperature water in the water chamber 13 through the flue 14, so that waste.

Specifically, according to fig. 1 and fig. 2, in this embodiment, the flue 14 is a "Z" type pipeline structure, which prolongs a path of the high-temperature flue gas flowing in the flue 14, prolongs a time of the high-temperature flue gas flowing in the flue 14, and improves heat exchange efficiency.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, a water interlayer 18 is arranged inside the first furnace body 1, a first-level water inlet 5 and a first-level water outlet 6 communicated with the water interlayer 18 are further respectively arranged at two ends of the first furnace body 1, when the water-cooling heat exchanger is used, a proper amount of normal temperature water can be injected into the water interlayer 18 from the first-level water inlet 5, and heat exchange is generated by the heat emitted by high-temperature flue gas, so that the heat exchange efficiency is further improved, and the first-level water outlet 6 is used for discharging warm water to be utilized.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, two ends of the second furnace body 2 are further provided with a second-stage water inlet 10 and a second-stage water outlet 11 respectively communicated with the water chamber 13, a proper amount of normal temperature water can be injected into the water chamber 13 through the second-stage water inlet 10, and the second-stage water outlet 11 is used for discharging warm water for utilization.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, in the present embodiment, the water jacket 18 is an "n" cavity structure, and is distributed above and on the left and right sides of the interior of the first furnace body 1.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the ash receiving box 17 is further included, the ash receiving box 17 is placed in the first furnace body 1, the bottom surface of the smoke tube 15 is provided with an ash falling hole 16, when high-temperature smoke passes through the smoke tube 15, dust in the smoke can fall from the ash falling hole 16 to the ash receiving box 17, the cleaning sealing door 12 is opened at a later stage, and the ash receiving box 17 is taken out to be cleaned, which is very convenient.

The utility model discloses a theory of operation and use flow: the utility model discloses a calcined petroleum coke flue gas waste heat utilization boiler, when using, pour into proper amount normal temperature water into to water interlayer 18 from one-level water inlet 5, pour into proper amount normal temperature water into to hydroecium 13 through second grade water inlet 10, high temperature flue gas lets in tobacco pipe 15 from one-level flue gas import 3, normal temperature water in the water interlayer 18 produces the heat exchange with the heat that high temperature flue gas gived off, high temperature flue gas gets into U type connecting pipe 9 after passing through tobacco pipe 15, get into flue 14 through U type connecting pipe 9, high temperature flue gas can produce the heat exchange through flue 14 and the normal temperature water in hydroecium 13 when passing through flue 14, realize waste heat recovery and utilize, first-level delivery port 6 and second grade delivery port 11 are used for discharging warm water and utilize;

in addition, when the high-temperature flue gas passes through the flue pipe 15, dust in the flue gas can fall to the ash receiving box 17 from the ash falling hole 16, the cleaning sealing door 12 is opened at the later stage, and the high-temperature flue gas can be cleaned after the ash receiving box 17 is taken out, so that the high-temperature flue gas is very convenient.

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 a burnt petroleum coke flue gas waste heat utilization boiler, includes furnace body (1) and No. two furnace bodies (2), its characterized in that: the second furnace body (2) is arranged on the top surface of the first furnace body (1); the smoke-discharging furnace further comprises a U-shaped connecting pipe (9), a primary smoke inlet (3) and a primary smoke outlet (4) are respectively formed in two ends of the first furnace body (1), and a smoke pipe (15) enabling the primary smoke inlet (3) and the primary smoke outlet (4) to be communicated is fixed in the first furnace body (1); the inner space of the second furnace body (2) is a water chamber (13), two ends of the second furnace body (2) are respectively provided with a secondary flue gas inlet (8) and a secondary flue gas outlet (7), and a flue (14) which enables the secondary flue gas inlet (8) and the secondary flue gas outlet (7) to be communicated is fixed in the water chamber (13); the secondary flue gas inlet (8) is communicated with the primary flue gas outlet (4) through a U-shaped connecting pipe (9); the surface of the first furnace body (1) is hinged with a cleaning sealing door (12).

2. The boiler for utilizing waste heat of calcined petroleum coke flue gas as claimed in claim 1, wherein: the flue (14) is of a Z-shaped pipeline structure.

3. The boiler for utilizing waste heat of calcined petroleum coke flue gas as claimed in claim 1, wherein: a water interlayer (18) is arranged in the first furnace body (1), and a primary water inlet (5) and a primary water outlet (6) communicated with the water interlayer (18) are respectively arranged at two ends of the first furnace body (1).

4. The boiler for utilizing waste heat of calcined petroleum coke flue gas as claimed in claim 1, wherein: and two ends of the second furnace body (2) are respectively provided with a secondary water inlet (10) and a secondary water outlet (11) which are communicated with the water chamber (13).

5. The boiler for utilizing waste heat of calcined petroleum coke flue gas as claimed in claim 3, wherein: the water interlayer (18) is of an n-shaped cavity structure.

6. The boiler for utilizing waste heat of calcined petroleum coke flue gas as claimed in claim 1, wherein: the ash collecting device is characterized by further comprising an ash collecting box (17), wherein the ash collecting box (17) is placed in the first furnace body (1), and an ash falling hole (16) is formed in the bottom surface of the smoke pipe (15).