CN214159050U

CN214159050U - Exhaust purification device for boiler

Info

Publication number: CN214159050U
Application number: CN202022951286.5U
Authority: CN
Inventors: 赵云峰; 任建宇; 张翔
Original assignee: Henan Huatai Petrochemical Equipment Co ltd
Current assignee: Henan Huatai Petrochemical Equipment Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-09-10
Anticipated expiration: 2030-12-11

Abstract

The utility model relates to the technical field of boilers, and discloses an exhaust purification device for a boiler, which comprises a water tank and a heat exchange cavity arranged in the water tank, wherein a tail gas pipe is inserted into the bottom of the water tank in a penetrating way, the tail gas pipe positioned in the heat exchange cavity is provided with a left side shunt pipe and a right side shunt pipe in a relative way, the left side shunt pipe and the right side shunt pipe are communicated with the tail gas pipe, the top parts of the left side shunt pipe and the right side shunt pipe are communicated with the top wall of the water tank and extend upwards, the top surface of the water tank is provided with a purification box which is communicated with the left side shunt pipe and the right side shunt pipe, one end of the tail gas pipe can be connected with a tail gas port generated after fuel combustion in the boiler, so that high-temperature tail gas is introduced into the water tank, and the left side shunt pipe, the right side shunt pipe and the tail gas pipe positioned in the water tank are subjected to heat exchange by water in the water tank, thereby the device can replace heat, the device has the advantages that redundant heat is recycled, loss and waste of the heat are reduced, and the using effect of the device is improved.

Description

Exhaust purification device for boiler

Technical Field

The utility model relates to a boiler technical field specifically is an exhaust purification device for boiler.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy. The boiler is a water container heated on fire, a furnace is a place where fuel is combusted, and the boiler comprises a boiler and a furnace. The hot water or steam generated in the boiler can directly provide heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator. The boiler for supplying hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production. The boiler for generating steam is called as a steam boiler, often called as a boiler for short, and is widely used for thermal power stations, ships, locomotives and industrial and mining enterprises.

At present, the boiler can produce a large amount of high thermal tail gas when burning fuel, and current tail gas cleanup unit is comparatively single, only can realize the purification treatment to tail gas to purifying effect is not good, can't carry out recycle to the heat in the high temperature tail gas, thereby leads to thermal loss, to this we propose an exhaust gas purification device for boiler.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an exhaust gas purification device for boiler to solve among the prior art tail gas purification device comparatively single, only can realize the purification treatment to tail gas, and purifying effect is not good, can't carry out recycle to the heat in the high temperature tail gas, thereby leads to the problem of thermal loss.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhaust gas purification device for boiler, includes the heat transfer chamber that sets up in water tank and the water tank, the bottom of water tank is run through to be inserted and is equipped with the tailpipe, and the tailpipe that is located the heat transfer intracavity is relative form and is equipped with left side shunt tubes and right side shunt tubes, left side shunt tubes and right side shunt tubes and tailpipe intercommunication, and the top of left side shunt tubes and right side shunt tubes runs through the water tank roof to upwards extend, the top surface of water tank is equipped with the purification box, purify box and left side shunt tubes and right side shunt tubes intercommunication, be equipped with the purification subassembly in the purification box, the top of purifying the box.

Preferably, a water inlet valve is arranged on the side wall of the water tank above the tail gas pipe, and a drain valve is arranged on the side wall of the water tank opposite to the tail gas pipe.

Preferably, a purification cavity is arranged in the purification box, and a drain valve is arranged on the side edge of the lower part of the purification cavity.

Preferably, purify the subassembly and include the shower, and the shower is equipped with a plurality ofly, and a plurality of showers are the equidistance and distribute, the shower all runs through the roof that purifies the box to downwardly extending, the shower that is located to purify the intracavity is equipped with the shower head.

Preferably, a smoke inlet pipe is arranged between every two adjacent spraying pipes and connected with the filtering component, and the smoke inlet pipes are communicated through a pipeline, and a smoke exhaust pipe is arranged on the pipeline.

Preferably, filtering component includes the cartridge filter, the top surface and the bottom surface of cartridge filter all are equipped with the socket, and the socket with advance the tobacco pipe intercommunication, be equipped with the filter chamber in the cartridge filter, the filter chamber is equipped with one-level filter screen, active carbon and second grade filter screen by supreme down in proper order.

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

(1) the utility model relates to an exhaust purification device for boiler, the tail gas pipe of setting, left side shunt tubes and right side shunt tubes, during the use, can connect the tail gas mouth that produces behind the fuel burning in the boiler with tracheal one end of tail, make high temperature tail gas let in the water tank, and carry out thermal exchange to left side shunt tubes, right side shunt tubes and the tail gas pipe that is located the water tank by the water in the water tank, thereby make the device can replace the heat, make it carry out recycle to unnecessary heat, it is extravagant to reduce thermal loss, promote the result of use to the device.

(2) The utility model relates to an exhaust purification device for boiler, the purification subassembly and the filter assembly of setting, during the use, the mode that adopts to spray carries out preliminary purification to boiler tail gas, makes solid-state particle etc. in the tail gas, can effectually precipitate, collects, lets in into the tobacco pipe to the tail gas after preliminary purification, further filtration treatment is carried out to the flue gas by one-level filter screen, active carbon and second grade filter screen again to hoisting device is applicable to the purification performance to boiler tail gas more.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic view of the position a of the present invention.

In the reference symbols: 1. a water tank; 11. a water inlet valve; 12. a drain valve; 13. a heat exchange cavity; 2. a tail gas pipe; 21. a left shunt tube; 22. a right shunt tube; 3. a purification box; 31. a purification chamber; 32. a blowoff valve; 33. a shower pipe; 34. a shower head; 41. a smoke inlet pipe; 42. a smoke exhaust pipe; 5. a filter cartridge; 51. a socket; 52. a filter chamber; 53. a first-stage filter screen; 54. activated carbon; 55. and (4) a secondary filter screen.

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 efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides a technical solution of an exhaust gas purifying device for a boiler: heat transfer chamber 13 including setting up in water tank 1 and the water tank 1, the bottom of water tank 1 is run through to be inserted and is equipped with exhaust pipe 2, exhaust pipe 2 that is located heat transfer chamber 13 is relative form and is equipped with left side shunt tubes 21 and right side shunt tubes 22, left side shunt tubes 21 and right side shunt tubes 22 and exhaust pipe 2 intercommunication, and left side shunt tubes 21 and right side shunt tubes 22's top runs through 1 roof of water tank, and upwards extend, the top surface of water tank 1 is equipped with and purifies box 3, purify box 3 and left side shunt tubes 21 and right side shunt tubes 22 intercommunication, be equipped with the purification subassembly in purifying box 3, the purification subassembly is used for tentatively purifying and handling tail gas, the top of purifying box 3 is equipped with filter assembly, filter assembly is used for further filtering tail gas, promote purification treatment effect.

Furthermore, a water inlet valve 11 is arranged on the side wall of the water tank 1 above the tail gas pipe 2, and a drain valve 12 is arranged on the side wall of the water tank 1 at the opposite side of the tail gas pipe 2.

In this embodiment, the water inlet valve 11 and the water discharge valve 12 are provided to facilitate the injection of water into the water tank 1, the discharge of the heat-exchanged water, and the recovery of heat.

Further, a purifying cavity 31 is arranged in the purifying box 3, and a blow-down valve 32 is arranged on the lower side edge of the purifying cavity 31.

In this embodiment, the purifying chamber 31 is used for purifying the exhaust gas introduced into the inside, and is convenient for collecting the sewage precipitate, and then is opened by the blowoff valve 32 for discharging.

Further, purify the subassembly and include shower 33, and shower 33 is equipped with a plurality ofly, and a plurality of shower 33 are the equidistance and distribute, and shower 33 all runs through the roof that purifies box 3 to downwardly extending is located the shower 33 that purifies the chamber 31 and is equipped with shower head 34, and is concrete, and the upper end of shower 33 all connects the water pipe.

In this embodiment, the shower 33 intercommunication water pipe adopts the mode that sprays to carry out preliminary purification to boiler tail gas, makes solid-state particle etc. in the tail gas, can effectually deposit and collect, promotes purifying effect.

Furthermore, a smoke inlet pipe 41 is arranged between every two adjacent spraying pipes 33, the smoke inlet pipe 41 is connected with the filtering component, the smoke inlet pipes 41 are communicated through a pipeline, and a smoke exhaust pipe 42 is arranged on the pipeline.

In the present embodiment, the smoke inlet pipe 41 located in the middle of the shower pipe 33 can sufficiently purify the smoke introduced into the purifying box 3 and discharge the smoke through the smoke inlet pipe 41.

Further, the filter assembly includes a filter cartridge 5, the top surface and the bottom surface of the filter cartridge 5 are both provided with a socket 51, the socket 51 is communicated with the smoke inlet pipe 41, a filter chamber 52 is arranged in the filter cartridge 5, and the filter chamber 52 is sequentially provided with a first-stage filter screen 53, activated carbon 54 and a second-stage filter screen 55 from bottom to top.

In this embodiment, the filter cartridge 5 is further disposed by the first-stage filter screen 53, the activated carbon 54 and the second-stage filter screen 55, so as to improve the purifying effect of the device on the tail gas, and is more suitable for the purifying part of the boiler tail gas.

Specifically, the utility model discloses a theory of operation and use flow: after the utility model is installed, one end of the tail gas pipe is connected with a tail gas port generated after fuel is burned in the boiler, the water inlet valve 12 is opened, water is injected into the water tank 1, high-temperature tail gas is led into the water tank 1, the water in the water tank 1 exchanges heat with the left shunt pipe 21, the right shunt pipe 22 and the tail gas pipe in the water tank 1, so that the device can replace heat, water is heated, the tail gas enters the purifying box 3, the spray pipe 33 is communicated with the water pipe, the boiler tail gas is preliminarily purified by adopting a spraying mode, solid particles in the tail gas and the like can be effectively precipitated and collected, the purifying effect is improved, the smoke inlet pipe 41 in the middle of the spray pipe 33 can fully purify the smoke led into the purifying box 3, the tail gas entering the smoke inlet pipe 41 sequentially passes through the primary filter screen 53, the active carbon 54 and the secondary filter screen 55 to further filter the smoke, thereby hoisting device is applicable to the purification department to boiler tail gas more to the purifying effect of tail gas. Until the whole working sequence is completed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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 present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 an exhaust gas purification device for boiler, its characterized in that, heat transfer chamber (13) that sets up including water tank (1) and water tank (1), the bottom of water tank (1) is run through and is inserted and is equipped with tail gas pipe (2), and tail gas pipe (2) that are located heat transfer chamber (13) are relative form and are equipped with left side shunt tubes (21) and right side shunt tubes (22), left side shunt tubes (21) and right side shunt tubes (22) and tail gas pipe (2) intercommunication, and the top of left side shunt tubes (21) and right side shunt tubes (22) runs through water tank (1) roof to upwards extend, the top surface of water tank (1) is equipped with purification box (3), purification box (3) and left side shunt tubes (21) and right side shunt tubes (22) intercommunication, be equipped with purification assembly in purification box (3), the top of purification box (3) is equipped with filter assembly.

2. The exhaust gas purification apparatus for a boiler according to claim 1, characterized in that: a water inlet valve (11) is arranged on the side wall of the water tank (1) above the tail gas pipe (2), and a drain valve (12) is arranged on the side wall of the water tank (1) on the opposite side of the tail gas pipe (2).

3. The exhaust gas purification apparatus for a boiler according to claim 1, characterized in that: a purification cavity (31) is arranged in the purification box (3), and a blow-down valve (32) is arranged on the side edge of the lower part of the purification cavity (31).

4. The exhaust gas purification apparatus for a boiler according to claim 1, characterized in that: purify the subassembly and include shower (33), and shower (33) are equipped with a plurality ofly, and a plurality of shower (33) are the equidistance and distribute, shower (33) all run through the roof that purifies box (3) to downwardly extending, shower (33) that are located to purify intracavity (31) are equipped with shower head (34).

5. The exhaust gas purification apparatus for a boiler according to claim 4, characterized in that: a smoke inlet pipe (41) is arranged between every two adjacent spraying pipes (33), the smoke inlet pipes (41) are connected with the filtering component, the smoke inlet pipes (41) are communicated through a pipeline, and a smoke exhaust pipe (42) is arranged on the pipeline.

6. The exhaust gas purification apparatus for a boiler according to claim 5, characterized in that: the filter assembly comprises a filter cartridge (5), the top surface and the bottom surface of the filter cartridge (5) are respectively provided with a socket (51), the sockets (51) are communicated with a smoke inlet pipe (41), a filter chamber (52) is arranged in the filter cartridge (5), and the filter chamber (52) is sequentially provided with a first-stage filter screen (53), activated carbon (54) and a second-stage filter screen (55) from bottom to top.