CN212227082U

CN212227082U - Boiler flue anti-clogging device

Info

Publication number: CN212227082U
Application number: CN202020302763.2U
Authority: CN
Inventors: 赵子峰; 秦中良; 黄晓燕; 张海珠
Original assignee: ANHUI QUANSHENG CHEMICAL CO LTD
Current assignee: ANHUI QUANSHENG CHEMICAL CO LTD
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-12-25
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a boiler flue anti-clogging device, which comprises a hearth, the flue, compressed air branch pipe and dust collector, furnace is equipped with the outlet flue, the flue includes horizontal flue and vertical flue, the outlet flue is connected to horizontal flue one end, vertical flue is connected to the other end, denitrification facility is connected to vertical flue, the compressed air branch pipe has two sets ofly, the symmetry sets up both sides in horizontal flue, the compressed air spray tube is connected to the one end of two sets of compressed air branch pipes, install control flap on the compressed air spray tube, dust collector includes the water tank, install into tobacco pipe and go out tobacco pipe in the water tank, it connects denitrification facility to advance tobacco pipe one end, the other end does not go into under the water tank water level, it installs the draught fan on the tobacco pipe to go out, the one end that goes out tobacco pipe is higher than the surface of water setting, desulphurization unit is connected to.

Description

Boiler flue anti-clogging device

Technical Field

The utility model relates to a coal chemical industry and power plant boiler field specifically are a boiler flue anti-clogging device.

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 fuel of boiler can produce the flue gas when the burning and carry the dust to pass through the outlet flue and discharge, and the dirt particle in the flue gas is easily gathered in this section flue of horizontal flue to vertical flue transition, and the dirt particle is gathered and is blockked up the flue, causes the flue gas circulation not smooth, and the draught fan load increases, and the power consumption increases, and the stove is handled to need blowing out when serious, influences that the device is continuous, economy, environmental protection, steady operation, for this, the utility model provides a can solve a boiler flue anti-clogging device of above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler flue anti-clogging device, through the two sets of compressed air branch pipes that set up in order to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a boiler flue anti-blocking device comprises a hearth, wherein a smoke outlet is formed in the hearth; the flue comprises a horizontal flue and a vertical flue, one end of the horizontal flue is connected with the smoke outlet, the other end of the horizontal flue is connected with the vertical flue, and the vertical flue is connected with the denitration device; two groups of compressed air branch pipes are symmetrically arranged on two sides in the horizontal flue, one end of each group of compressed air branch pipes is connected with a compressed air spray pipe, and a control valve is arranged on each compressed air spray pipe; dust collector, dust collector includes the water tank, install into tobacco pipe in the water tank and say with going out the tobacco pipe, advance tobacco pipe one end and connect denitrification facility, the other end submerges under the water tank water level, go out and install the draught fan on the tobacco pipe, the one end that goes out the tobacco pipe is higher than the surface of water setting, and desulphurization unit is connected to the other end, desulphurization unit is last to install the chimney.

As an optimal technical scheme of the utility model, vertical flue and horizontal flue adopt circular arc transitional coupling.

As an optimized technical scheme, the interval is equipped with the multiunit exhaust hole on the compressed air branch pipe, the exhaust hole is horizontal arrangement on the compressed air branch pipe.

As an optimized technical scheme of the utility model, the interval in exhaust hole is 200mm, and the exhaust hole diameter is 6 mm.

As an optimized technical scheme of the utility model, the water tank is the gas tightness structure.

As an optimized technical scheme of the utility model, multiunit atomizer is installed to the water tank upper end.

As an optimal technical scheme of the utility model, the guide plate is installed at the draught fan lower extreme to the tobacco outlet pipe way.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a boiler flue anti-clogging device, when the environmental protection that the realization was gone on denitration, desulfurization treatment of flue gas is handled and is discharged, regularly jets at horizontal flue through setting up two sets of compressed air branch pipes, makes the difficult jam pipeline that piles up of dirt particle in the horizontal flue, keeps horizontal flue unblocked, and the draught fan load is normal, and the power consumption is not high, ensures that boiler plant can long period steady operation, has energy-conserving high efficiency, environmental protection pollution-free characteristics.

Drawings

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

FIG. 2 is a schematic view of the structure of the sliding chute and the guiding sliding block of the present invention;

in the figure: 1. a hearth; 2. a smoke outlet; 3. a compressed air branch pipe; 31. an exhaust hole; 4. a compressed air nozzle; 41. a control valve; 5. a horizontal flue; 6. a vertical flue; 7. a denitration device; 8. a smoke inlet pipeline; 9. an atomizing spray head; 10. a water tank; 11. a baffle; 12. an induced draft fan; 13. a smoke outlet pipeline; 14. a desulfurization unit; 15. and (4) a chimney.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a boiler flue anti-blocking device comprises a hearth 1, wherein the hearth 1 is provided with a smoke outlet 2; the flue includes horizontal flue 5 and vertical flue 6, outlet flue 2 is connected to 5 one ends of horizontal flue, vertical flue 6 is connected to the other end, preferably, vertical flue 6 and horizontal flue 5 adopt circular arc transitional coupling, it is difficult for the deposit in flue connection corner to make the dirt particle through circular arc transitional coupling horizontal flue 5 and vertical flue 6, along with flue gas exhaust to next device, the smoke exhaust effect of flue has been improved, denitrification facility 7 is connected to vertical flue 6, denitrification facility 7 is the prior art means, can follow and obtain on the market today, carry out denitration treatment to the flue gas through denitrification facility 7, make the flue gas reach corresponding emission standard. The two groups of compressed air branch pipes 3 are symmetrically arranged at two sides in the horizontal flue 5, the horizontal flue 5 can be covered more comprehensively by symmetrically arranging the two groups of compressed air branch pipes 3, the dust removal effect is improved, one ends of the two groups of compressed air branch pipes 3 are connected with the compressed air spray pipe 4, the compressed air spray pipe 4 is provided with a control valve 41, preferably, the compressed air branch pipes 3 are provided with a plurality of groups of exhaust holes 31 at intervals, and the exhaust holes 31 are horizontally arranged on the compressed air branch pipes 3; the external air pump of compressed air spray tube 4, not drawn in the figure, the air pump can be obtained from market now, the air pump makes the air have the certain speed and spouts from exhaust hole 31 on compressed air branch pipe 3, will fall into the interior dust particle of flue and blow up, the dust particle is discharged from the flue along with flue gas and air, keep unblocked in the flue, preferably, the interval of exhaust hole 31 is 200mm, exhaust hole 31 diameter is 6mm, through setting up the exhaust hole 31 of certain interval, avoid adjacent exhaust hole 31 to exhaust mutual interference, optimize the exhaust effect of compressed air branch pipe.

The dust removing device comprises a water tank 10, preferably, the water tank 10 is of an airtight structure, so as to prevent the leakage of flue gas from the water tank 10, a flue gas inlet pipeline 8 and a flue gas outlet pipeline 13 are installed in the water tank 10, one end of the flue gas inlet pipeline 8 is connected with a denitration device 7, the other end of the flue gas inlet pipeline is submerged under the water surface of the water tank 10, the flue gas after denitration treatment is discharged into the treatment water of the water tank 10 from the flue gas inlet pipeline 8, so that dust particles carried by the flue gas are left in the treatment water, preferably, a plurality of groups of atomizing nozzles 9 are installed at the upper end of the water tank 10, the atomizing nozzles 9 are externally connected with water pipes, which are not shown in the figure, the atomizing nozzles 9 spray water mist, so as to further purify the flue gas, wash smaller dust particles in the flue gas, one end of the flue gas outlet pipeline 13 is arranged above the water surface, the flue gas enters the flue gas outlet pipeline 13 after, play the effect of drawing the flue gas, preferably, play tobacco pipe way 13 installs guide plate 11 at draught fan 12 lower extreme, guide plate 11 has certain inclination, through the guide plate 11 that sets up, make the flue gas stably discharge, flue gas is at a tobacco pipe way 13 exhaust rate has been improved, play tobacco pipe way 13 other end connection desulphurization unit 14, desulphurization unit 14 is prior art means, can follow and obtain in the market today, carry out denitration treatment to the flue gas through denitrification facility 7, avoid causing the pollution to the atmosphere, make the flue gas reach corresponding emission standard, install chimney 15 on the desulphurization unit 14, flue gas after multiple processing discharges to the air through chimney 15, reach the emission condition of complete pollution-free.

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. An anti-clogging device for a boiler flue, comprising:

the furnace is provided with a smoke outlet;

the flue comprises a horizontal flue and a vertical flue, one end of the horizontal flue is connected with the smoke outlet, the other end of the horizontal flue is connected with the vertical flue, and the vertical flue is connected with the denitration device;

two groups of compressed air branch pipes are symmetrically arranged on two sides in the horizontal flue, one end of each group of compressed air branch pipes is connected with a compressed air spray pipe, and a control valve is arranged on each compressed air spray pipe;

dust collector, dust collector includes the water tank, install into tobacco pipe in the water tank and say with going out the tobacco pipe, advance tobacco pipe one end and connect denitrification facility, the other end submerges under the water tank water level, go out and install the draught fan on the tobacco pipe, the one end that goes out the tobacco pipe is higher than the surface of water setting, and desulphurization unit is connected to the other end, desulphurization unit is last to install the chimney.

2. The device for preventing the blockage of the boiler flue as claimed in claim 1, wherein the vertical flue and the horizontal flue are connected by adopting an arc transition.

3. The device for preventing the blockage of the boiler flue as claimed in claim 1, wherein a plurality of groups of exhaust holes are arranged at intervals on the compressed air branch pipe, and the exhaust holes are horizontally arranged on the compressed air branch pipe.

4. A boiler flue blockage preventing device as claimed in claim 3, wherein the pitch of said exhaust holes is 200mm, and the diameter of the exhaust holes is 6 mm.

5. A boiler flue blockage prevention device as recited in claim 1, wherein said water box is of an airtight construction.

6. The device for preventing the blockage of the boiler flue as claimed in claim 5, wherein a plurality of groups of atomizing nozzles are installed at the upper end of the water tank.

7. The device for preventing the blockage of the boiler flue according to claim 1, wherein a guide plate is arranged at the lower end of the induced draft fan on the smoke outlet pipeline.