CN215175174U

CN215175174U - Exhaust-heat boiler afterbody deoxidization heating device

Info

Publication number: CN215175174U
Application number: CN202120944946.9U
Authority: CN
Inventors: 严佳珺; 周敏; 柏涛; 滕荣翔
Original assignee: Nanjing Jieshui Technology Co ltd
Current assignee: Nanjing Jieshui Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-14
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a deoxidizing and heating device at the tail part of a waste heat boiler, which comprises a boiler body, a heating mechanism and a smoke treatment mechanism, the heat supply mechanism is arranged in the boiler body, the flue gas treatment mechanism is arranged at the rear side of the boiler body, the flue gas treatment mechanism is connected with the heat supply mechanism, a water tank is fixedly arranged in the boiler body, the bottom of the boiler body is fixedly provided with a combustion furnace, the heat supply mechanism comprises a smoke guide pipe and a heating pipe, the smoke guide pipe is fixedly communicated and connected with the heating pipe, the smoke guide pipe is fixedly connected with the upper end of the boiler body, the smoke guide pipe is fixedly provided with a fan, the heating pipe is fixedly arranged in the inner cavity of the water tank, the lower end head of the heating pipe is fixedly connected with the lower end of the smoke guide pipe, the heating pipe is characterized in that the upper end head of the heating pipe is fixedly connected with a guide pipe, and the guide pipe is fixedly connected to the flue gas treatment mechanism. The utility model discloses improve the heating efficiency of cold water in the water tank greatly, can carry out make full use of to the flue gas waste heat simultaneously.

Description

Exhaust-heat boiler afterbody deoxidization heating device

Technical Field

The utility model relates to a boiler afterbody heat supply technical field specifically is a waste heat boiler afterbody deoxidization heating device.

Background

At present, the boiler can produce a large amount of afterbody flue gas when using, contains more heat and smoke and dust in the afterbody flue gas, and the direct emission of afterbody flue gas can cause the energy extravagant and environmental pollution, among the prior art, lacks a waste heat utilization mechanism and comes the heat supply to the water tank in the boiler, improves the efficiency of water tank in the heating process, in order to solve the problem that exists in the aforesaid, consequently, we propose a exhaust-heat boiler afterbody deoxidization heating device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste heat boiler afterbody deoxidization heating device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waste heat boiler afterbody deoxidization heating device, includes boiler body and heat supply mechanism and flue gas processing mechanism, heat supply mechanism sets up at the boiler body internally, flue gas processing mechanism sets up at the boiler body rear side, flue gas processing mechanism is connected with heat supply mechanism, this internal fixed mounting of boiler has the water tank, boiler body bottom fixed mounting has combustion furnace, heat supply mechanism is including leading tobacco pipe and heating pipe, it meets with the fixed intercommunication of heating pipe to lead the tobacco pipe.

Preferably, the smoke guide pipe is fixedly connected to the upper end of the boiler body, the fan is fixedly mounted on the smoke guide pipe, the heating pipe is fixedly mounted in the inner cavity of the water tank, the lower end of the heating pipe penetrates through the water tank and is fixedly connected to the lower end of the smoke guide pipe, the upper end of the heating pipe penetrates through the water tank and is fixedly connected with the guide pipe of the boiler body, and the guide pipe is fixedly connected to the smoke treatment mechanism.

Preferably, the flue gas treatment mechanism is including handling the case, it is provided with the board of giving vent to anger to handle the incasement, pipe fixed connection is on handling the case, the pipe extends to and meets with the fixed intercommunication of the board of giving vent to anger in handling the incasement chamber, handle case upper end fixedly connected with blast pipe.

Preferably, a filter screen is fixedly arranged above the inner cavity of the treatment box.

Preferably, a dryer is fixedly installed on the exhaust pipe.

Preferably, the upper end of the air outlet plate is provided with a plurality of air outlet holes.

Preferably, the water inlet pipe is arranged on the left side of the upper end of the water tank, and the water discharge pipe is arranged on the left side of the lower end of the water tank.

Preferably, a plurality of flow reducing plates which are uniformly distributed are arranged in the heating pipe.

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

1. when the utility model is used, when the combustion furnace burns fuel to heat the water tank, the smoke generated by the combustion of the combustion furnace flows into the smoke guide pipe under the action of the fan and flows into the heating pipe through the smoke guide pipe, the flow reducing plate in the heating pipe can reduce the flow speed of the smoke in the heating pipe, so that the waste heat of the smoke and the cold water in the water tank can be fully supplied with heat, the heating efficiency of the cold water in the water tank is greatly improved, and the waste heat of the smoke can be fully utilized;

2. the utility model discloses after waste heat in the flue gas absorbs through the cold water in the water tank, the flue gas flows into to handling the incasement through the pipe, discharges to handling the incasement and handle with handling liquid neutralization treatment through a plurality of ventholes, purifies, later through filter screen and desicator filter the granule impurity in the flue gas and during handling liquid in the dry flue gas is discharged into the air through the blast pipe, has protected the environment, avoids the flue gas pollution environment.

Drawings

FIG. 1 is a schematic view of the overall structure of a tail deoxidizing and heating device of a waste heat boiler;

FIG. 2 is a right view structural diagram of the tail deoxygenation and heat supply device of the waste heat boiler of the present invention;

fig. 3 is the structure diagram of the partial cross-sectional view inside the heating pipe in the tail deoxidizing and heating device of the exhaust-heat boiler of the utility model.

In the figure: 1. a boiler body; 2. a combustion furnace; 3. a water tank; 4. a smoke guide pipe; 5. heating a tube; 6. a conduit; 7. a treatment tank; 8. an air outlet plate; 9. a filter screen; 10. an exhaust pipe; 11. a dryer; 12. an air outlet; 13. a flow reducing plate; 14. a fan; 15. a water inlet pipe; 16. and a water discharge 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 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 a technical solution: the utility model provides a waste heat boiler afterbody deoxidization heating device, including boiler body 1 and heat supply mechanism and flue gas processing mechanism, heat supply mechanism sets up in boiler body 1, flue gas processing mechanism sets up in boiler body 1 rear side, flue gas processing mechanism is connected with heat supply mechanism, fixed mounting has water tank 3 in the

boiler body

1, 1 bottom fixed mounting of boiler body has combustion furnace 2, it is used for burning fuel to heat water tank 3 to fire furnace 2, heat supply mechanism is including leading tobacco pipe 4 and heating pipe 5, it meets with 5 fixed intercommunications of heating pipe to lead tobacco pipe 4.

Lead tobacco pipe 4 fixed connection in boiler body 1 upper end, lead tobacco pipe 4 intercommunication boiler body 1 inner chamber, fixed mounting has fan 14 on leading tobacco pipe 4, fan 14 inhales the burning flue gas in boiler body 1 in leading tobacco pipe 4, heating pipe 5 fixed mounting is in 3 inner chambers of water tank, heating pipe 5 is heliciform structure, heating pipe 5 lower extreme end runs through water tank 3 and boiler body 1 fixed connection in the lower extreme of leading tobacco pipe 4, heating pipe 5 upper end runs through water tank 3 and boiler body 1 fixed connection pipe 6, pipe 6 fixed connection is on flue gas processing mechanism, flue gas in boiler body 1 enters into to heating pipe 5 through leading tobacco pipe 4, the heat of heating pipe 5 is absorbed to the water in the water tank 3, realize the heat supply function to water tank 3, improve the heating efficiency of water tank 3.

Flue gas treatment mechanism is including handling case 7, be equipped with the treatment fluid in handling case 7, be provided with out gas board 8 in handling case 7, it is the cavity body structure to go out

gas board

8, 6 fixed connection of pipe is on handling case 7, pipe 6 extends to and meets with the fixed intercommunication of the board 8 of giving vent to anger in handling 7 inner chambers of case, handle 7 upper ends fixedly connected with blast pipe 10 of case, flue gas treatment mechanism carries out purification treatment to the flue gas through the treatment fluid of handling in the case 7, can take place neutralization reaction with harmful gas such as carbon monoxide in the flue gas, sulfur dioxide, reach flue gas purification treatment effect.

A filter screen 9 is fixedly arranged above the inner cavity of the treatment box 7, and the filter screen 9 can filter particle impurities in the smoke.

The exhaust pipe 10 is fixedly provided with a dryer 11, and the dryer 11 is used for drying the treatment liquid in the exhaust flue gas, so that the pollution of the flue gas to the air environment is reduced.

A plurality of air outlets 12 are formed in the upper end of the air outlet plate 8, the air outlets 12 are evenly distributed, the flue gas is enabled to be more evenly contacted with the treatment liquid in the treatment box 7 through the arrangement of the air outlets 12, and the treatment effect is improved.

The left side of the upper end of the water tank 3 is provided with a water inlet pipe 15, the left side of the lower end of the water tank 3 is provided with a water outlet pipe 16, and valves are arranged on the water inlet pipe 15 and the water outlet pipe 16.

A plurality of flow reducing plates 13 which are uniformly distributed are arranged in the heating pipe 5, the flow reducing plates 13 can reduce the flow speed of the flue gas in the heating pipe 5, so that the residual heat of the flue gas can be better absorbed by cold water in the water tank 3, and the residual heat utilization rate is improved.

The working principle is as follows: when the utility model is used, when the combustion furnace 2 burns fuel to heat the water tank 3, the flue gas generated by the combustion of the combustion furnace 2 flows into the smoke guide pipe 4 under the action of the fan 14 and flows into the heating pipe 5 through the smoke guide pipe 4, the flow reducing plate 13 in the heating pipe 5 can reduce the flow speed of the flue gas in the heating pipe 5, so that the waste heat of the flue gas and the cold water in the water tank 3 can fully supply heat, the heating efficiency of the cold water in the water tank 3 is greatly improved, meanwhile, the waste heat of the flue gas can be fully utilized, after the waste heat in the flue gas is absorbed by cold water in the water tank 3, the flue gas flows into the treatment box 7 through the guide pipe 6, is discharged into the treatment box 7 through the plurality of air outlet holes 12, is neutralized with the treatment liquid, is purified, is filtered by the filter screen 9 and the dryer 11 for particle impurities in the flue gas, and is discharged into the air through the exhaust pipe 10 after drying the treatment liquid in the flue gas.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waste heat boiler afterbody deoxidization heating device, includes boiler body (1) and heat supply mechanism and flue gas treatment mechanism, its characterized in that: the heating mechanism is arranged in the boiler body (1), the flue gas treatment mechanism is arranged on the rear side of the boiler body (1), the flue gas treatment mechanism is connected with the heating mechanism, a water tank (3) is fixedly arranged in the boiler body (1), a combustion furnace (2) is fixedly arranged at the bottom of the boiler body (1), the heating mechanism comprises a smoke guide pipe (4) and a heating pipe (5), and the smoke guide pipe (4) is fixedly communicated with the heating pipe (5).

2. The exhaust-heat boiler tail deoxidization heating apparatus of claim 1, characterized in that: lead tobacco pipe (4) fixed connection in boiler body (1) upper end, it has fan (14) to lead fixed mounting on tobacco pipe (4), heating pipe (5) fixed mounting is in water tank (3) inner chamber, heating pipe (5) lower extreme end runs through water tank (3) and boiler body (1) fixed connection and leads the lower extreme of tobacco pipe (4), heating pipe (5) upper end runs through water tank (3) and boiler body (1) fixedly connected with pipe (6), pipe (6) fixed connection is on flue gas processing mechanism.

3. The exhaust-heat boiler tail deoxidization heating apparatus of claim 1, characterized in that: the flue gas treatment mechanism is including handling case (7), be provided with air outlet plate (8) in handling case (7), pipe (6) fixed connection is on handling case (7), pipe (6) extend to handle and meet with air outlet plate (8) fixed intercommunication in case (7) inner chamber, handle case (7) upper end fixedly connected with blast pipe (10).

4. The exhaust-heat boiler tail deoxidization heating apparatus of claim 3, characterized in that: a filter screen (9) is fixedly arranged above the inner cavity of the treatment box (7).

5. The exhaust-heat boiler tail deoxidization heating apparatus of claim 3, characterized in that: and a dryer (11) is fixedly arranged on the exhaust pipe (10).

6. The exhaust-heat boiler tail deoxidization heating apparatus of claim 3, characterized in that: the upper end of the air outlet plate (8) is provided with a plurality of air outlet holes (12).

7. The exhaust-heat boiler tail deoxidization heating apparatus of claim 1, characterized in that: the water tank (3) is provided with inlet tube (15) on the left of the upper end, and water tank (3) lower extreme left side is provided with drain pipe (16).

8. The exhaust-heat boiler tail deoxidization heating apparatus of claim 2, characterized in that: a plurality of flow reducing plates (13) which are uniformly distributed are arranged in the heating pipe (5).