CN218821712U

CN218821712U - Coke oven flue gas waste heat recovery processing device

Info

Publication number: CN218821712U
Application number: CN202223084836.3U
Authority: CN
Inventors: 杜海滨; 王文善; 葛洪年; 冯颜岭
Original assignee: Baicheng Fengfeng Coal Coking Co ltd
Current assignee: Baicheng Fengfeng Coal Coking Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-07
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a technical field is handled to the flue gas, specifically is coke oven flue gas waste heat recovery processing apparatus, comprising a base plate, the bottom both ends symmetry fixedly connected with bracing piece of bottom plate, the top of bottom plate and the bottom fixed connection of flue gas storage tank, one side fixedly connected with intake pipe of flue gas storage tank, the opposite side of flue gas storage tank and the one end fixed connection of air exhauster, the other end of air exhauster and one side fixed connection of combustion chamber, the top of combustion chamber and the one end fixed connection of gas-supply pipe, the other end of gas-supply pipe and the one end fixed connection of high temperature intake pipe, the other end of high temperature intake pipe and the one end fixed connection of coil pipe, coke oven flue gas waste heat recovery processing apparatus after the improvement can let the abundant utilization of coke oven flue gas waste heat get up, and the effectual recycle of the interior flue gas waste heat of coke oven, the loss of energy reduction has the characteristics that heat exchange efficiency is high, environmental protection and practicality are good.

Description

Coke oven flue gas waste heat recovery processing device

Technical Field

The utility model relates to a flue gas treatment technical field specifically is coke oven flue gas waste heat recovery processing apparatus.

Background

Coal coking is carried out by taking coal as raw material, heating coal to 950-1050 deg.C under air-isolating condition in coke oven, drying, pyrolyzing, melting, binding, solidifying, shrinking and other high-temperature dry distilling processes to obtain coke.

In the process of processing coal, a large amount of raw coke oven gas is generated in the heating process in the coke oven, and in order to solve the problem of poor economic and environmental protection performance caused by white loss of energy, the coke oven flue gas waste heat recovery and treatment device is an indispensable device in the production process of coke.

The prior patent (publication number: CN 211503743U) discloses a chemical coke oven flue gas waste heat recovery device, which comprises a waste heat recovery box body and an air inlet pipe, wherein the air inlet pipe is installed on the outer wall of the bottom of the waste heat recovery box body through a bolt, the outer wall of the bottom of one side of the waste heat recovery box body is fixedly provided with an inlet pipe, the outer wall of the top of one side of the waste heat recovery box body is fixedly provided with a drain pipe, the outer walls of the drain pipe and one side of the inlet pipe are both fixedly provided with annular water guide pipes, and a same annular snake-shaped coil pipe is fixedly installed between the two annular water guide pipes. The inventor finds that the prior art has the following problems in the process of realizing the utility model: 1. the existing coke oven flue gas waste heat recovery processing device can discharge flue gas after slightly processing the flue gas, can not recycle the waste heat of the waste flue gas, causes the waste heat of energy to run off, and also causes certain pollution to the environment; 2. the existing coke oven flue gas waste heat recovery processing device can not fully exchange heat between the flue gas and the heat pipe, so that the waste gas enters the air to pollute the environment, and the aims of saving energy, reducing consumption and protecting the environment can not be fulfilled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coke oven flue gas waste heat recovery processing apparatus to put forward among the above-mentioned background art and handle the flue gas slightly and just externally discharge and can not utilize the waste heat of useless flue gas and cause the problem to environmental pollution among the solution, thereby and among the prior art flue gas and the heat pipe can not be abundant carry out the heat exchange and lead to waste gas to get into the problem that energy saving and consumption reduction and environmental protection can not reach in the air.

In order to achieve the above object, the utility model provides a following technical scheme: coke oven flue gas waste heat recovery processing apparatus, including the bottom plate, the bottom both ends symmetry fixedly connected with bracing piece of bottom plate, the top of bottom plate and the bottom fixed connection of flue gas storage tank, one side fixedly connected with intake pipe of flue gas storage tank, the opposite side of flue gas storage tank and the one end fixed connection of air exhauster, the other end of air exhauster and one side fixed connection of combustion chamber, the top of combustion chamber and the one end fixed connection of gas-supply pipe, the other end of gas-supply pipe and the one end fixed connection of high temperature intake pipe, the other end of high temperature intake pipe and the one end fixed connection of coil pipe, the other end fixedly connected with low temperature blast pipe of coil pipe, the top of bottom plate and the bottom fixed connection of heat exchange chamber, the right side of heat exchange chamber and the one end fixed connection of inlet tube, the other end fixedly connected with raceway of inlet tube, the top fixedly connected with steam pipe of heat exchange chamber, the filter screen has been seted up to the inside of air exhauster.

Further preferably, the filter screen is connected with an exhaust fan in a fixed connection mode.

Further preferably, a water spray head is arranged at the bottom of the water delivery pipe.

Further preferably, a dust removal structure is arranged at the joint of the low-temperature exhaust pipe and the coil pipe.

Further preferably, the water delivery pipe is connected with the water inlet pipe in a fixed connection manner.

Further preferably, the flue gas storage tank is connected with the combustion chamber through an exhaust fan.

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

the utility model discloses in, be equipped with the water smoke shower nozzle through the bottom of raceway, spun hydroenergy enough carries out the heat transfer reaction, and water supplies its use after becoming steam, and the filter screen is connected with convulsions through fixed connection's mode, avoids the burnt sediment to be inhaled by the air exhauster, leads to the air exhauster to damage, and low temperature blast pipe is equipped with dust removal structure with the coil pipe junction, can further reduce the pollution that causes the environment.

The utility model discloses in, be connected with the inlet tube through the raceway, realize having improved the effectual purification to the flue gas to reach energy saving and consumption reduction and environmental protection's purpose, the flue gas storage tank is connected with the combustion chamber through the air exhauster, is favorable to improving the work efficiency of whole device.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the filter screen structure of the present invention.

In the figure: 1. a support bar; 2. a base plate; 3. a flue gas storage tank; 4. an air inlet pipe; 5. a gas delivery pipe; 6. a combustion chamber; 7. an exhaust fan; 8. a steam pipe; 9. a heat exchange chamber; 10. a coil pipe; 11. a water delivery pipe; 12. a water inlet pipe; 13. a low temperature exhaust pipe; 14. a filter screen; 15. and (4) a high-temperature air inlet pipe.

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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: coke oven flue gas waste heat recovery processing apparatus, comprising a base plate 2, bottom 2's bottom both ends symmetry fixedly connected with bracing piece 1, bottom 2's top and flue gas storage tank 3's bottom fixed connection, one side fixedly connected with intake pipe 4 of flue gas storage tank 3, flue gas storage tank 3's opposite side and air exhauster 7's one end fixed connection, air exhauster 7's the other end and combustion chamber 6's one side fixed connection, combustion chamber 6's top and gas-supply pipe 5's one end fixed connection, gas-supply pipe 5's the other end and high temperature intake pipe 15's one end fixed connection, high temperature intake pipe 15's the other end and coil 10's one end fixed connection, coil 10's the other end fixedly connected with low temperature blast pipe 13, bottom 2's top and heat exchange chamber 9's bottom fixed connection, heat exchange chamber 9's right side and the one end fixed connection of inlet tube 12, inlet tube 12's the other end fixedly connected with raceway 11, heat exchange chamber 9's top fixedly connected with steam pipe 8, filter screen 14 has been seted up to air exhauster 7's inside.

In this embodiment, as shown in fig. 3, the filter screen 14 is connected to the exhaust fan 7 in a fixed connection manner, so as to prevent the exhaust fan 7 from being damaged due to the coke residue sucked by the exhaust fan 7.

In this embodiment, as shown in fig. 1, a water mist nozzle is disposed at the bottom of the water pipe 11, and the sprayed water can perform a heat exchange reaction, and the water is used after being changed into steam.

In this embodiment, as shown in fig. 1, a dust removing structure is provided at the joint of the low-temperature exhaust pipe 13 and the coil pipe 10, so that pollution to the environment can be further reduced.

In this embodiment, as shown in fig. 1, the water pipe 11 is connected to the water inlet pipe 12 in a fixed connection manner, so as to effectively spray the flue gas and improve the effective purification of the flue gas, thereby achieving the purposes of saving energy, reducing consumption and protecting the environment.

In this embodiment, as shown in fig. 1 and fig. 2, the flue gas storage tank 3 is connected with the combustion chamber 6 through the exhaust fan 7, which is convenient for improving the working efficiency of the whole recovery processing device.

The utility model discloses a use method and advantage: when the coke oven flue gas waste heat recovery processing device is used, the working process is as follows:

as shown in fig. 1, fig. 2 and fig. 3, at first, waste flue gas passes through intake pipe 4 and gets into in the flue gas storage tank 3, utilize air exhauster 7 to inhale the flue gas in the flue gas storage tank 3 to the combustion chamber 6 in, filter screen 14 on the air exhauster 7 can filter the burnt sediment that remains in the flue gas, avoid causing the jam to air exhauster 7, flue gas after the burning in the combustion chamber 6 is carried to high temperature intake pipe 15 through gas-supply pipe 5 and gets into the inside coil pipe 10 department of heat exchange chamber 9, water transmits to the inside of raceway 11 through inlet tube 12, water and heat exchange chamber 9 carry out the heat transfer reaction through the water smoke shower nozzle spun water that raceway 11 bottom set up, water becomes and supplies its use behind the steam.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coke oven flue gas waste heat recovery processing apparatus, includes bottom plate (2), its characterized in that: the bottom both ends symmetry fixedly connected with bracing piece (1) of bottom plate (2), the top of bottom plate (2) and the bottom fixed connection of flue gas storage tank (3), one side fixedly connected with intake pipe (4) of flue gas storage tank (3), the opposite side of flue gas storage tank (3) and the one end fixed connection of air exhauster (7), the other end of air exhauster (7) and one side fixed connection of combustion chamber (6), the top of combustion chamber (6) and the one end fixed connection of gas-supply pipe (5), the other end of gas-supply pipe (5) and the one end fixed connection of high temperature intake pipe (15), the other end of high temperature intake pipe (15) and the one end fixed connection of coil pipe (10), the other end fixedly connected with low temperature exhaust pipe (13) of coil pipe (10), the top of bottom plate (2) and the bottom fixed connection of heat exchange room (9), the right side of heat exchange room (9) and the one end fixed connection of inlet tube (12), the other end fixedly connected with raceway (11) of inlet tube (12), the top fixedly connected with of heat exchange room (9), the filter screen (14) of air exhauster (7) have been seted up.

2. The coke oven flue gas waste heat recovery processing device of claim 1, wherein: the filter screen (14) is connected with the exhaust fan (7) in a fixed connection mode.

3. The coke oven flue gas waste heat recovery processing device of claim 1, wherein: and a water mist spray head is arranged at the bottom of the water delivery pipe (11).

4. The coke oven flue gas waste heat recovery processing device of claim 1, wherein: and a dust removal structure is arranged at the joint of the low-temperature exhaust pipe (13) and the coil pipe (10).

5. The coke oven flue gas waste heat recovery processing device of claim 1, wherein: the water delivery pipe (11) is connected with the water inlet pipe (12) in a fixed connection mode.

6. The coke oven flue gas waste heat recovery processing device of claim 1, wherein: the flue gas storage tank (3) is connected with the combustion chamber (6) through an exhaust fan (7).