CN110671815A

CN110671815A - Boiler tail gas treatment device

Info

Publication number: CN110671815A
Application number: CN201910924863.0A
Authority: CN
Inventors: 李素庆
Original assignee: Individual
Current assignee: University of Shanghai for Science and Technology
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-01-10
Anticipated expiration: 2039-09-27
Also published as: CN112944671B; CN112944671A; CN110671815B

Abstract

The invention discloses a boiler tail gas treatment device, and relates to the field of environmental protection equipment; the device comprises a pressure fan, a combustion chamber and a heating chamber; a separation box is arranged in the combustion chamber, the air outlet end of the pressure fan is communicated with the separation box through an air pipe, the separation box is communicated with the heating chamber through an air duct, and a water storage tank is arranged in the heating chamber; the separation box is formed by combining an upper shell and a lower shell, and the air pipe is connected with the upper shell; the upper shell is cylindrical, and the pipe orifice of the air pipe is arranged along the tangential direction of the upper shell; the lower shell is in an inverted cone shape, and the bottom of the lower shell is provided with a separation port; and an igniter is arranged at the bottom of the inner cavity of the combustion chamber corresponding to the separation port. The invention can separate the fuel particles which are not fully combusted in the boiler tail gas, ignite the fuel particles to generate heat, integrate the part of heat with the heat contained in the tail gas to act on the heating of the water storage tank, avoid the waste of resources and save more energy and protect environment.

Description

Boiler tail gas treatment device

Technical Field

The invention relates to the field of environment-friendly equipment, in particular to a boiler tail gas treatment device.

Background

A boiler is a common infrastructure in the metallurgical industry, and is a device for obtaining energy by burning fuel, and a certain amount of tail gas is generated in the operation process, and the tail gas can pollute the environment if not treated in time.

Most of treatment devices for boiler tail gas at present only focus on eliminating harmful substances in the treatment devices, and do not fully utilize the partially incompletely combusted fuel particles contained in the tail gas, so that energy waste is easily caused, and the development theme of current green environment protection is not met.

Disclosure of Invention

The invention aims to provide a boiler tail gas treatment device to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a boiler tail gas treatment device comprises a pressure fan, a combustion chamber and a heating chamber; a separation box is arranged in the combustion chamber, the air outlet end of the pressure fan is communicated with the separation box through an air pipe, the separation box is communicated with the heating chamber through an air duct, and a water storage tank is arranged in the heating chamber; the separation box is formed by combining an upper shell and a lower shell, and the air pipe is connected with the upper shell; the upper shell is cylindrical, and the pipe orifice of the air pipe is arranged along the tangential direction of the upper shell; the lower shell is in an inverted cone shape, and the bottom of the lower shell is provided with a separation port; and an igniter is arranged at the bottom of the inner cavity of the combustion chamber corresponding to the separation port.

In a further aspect: the air duct is "T" type, and the vertical body of air duct is worn to establish on the top conch wall of upper portion casing and is connected with upper portion casing rotation, and the venthole that the orientation is opposite is seted up to the horizontal body both ends symmetry of air duct.

In a further aspect: the water storage tank is characterized in that a water inlet pipe and a water outlet pipe are respectively connected to two sides of the water storage tank, wherein the connection point of the water inlet pipe and the water storage tank is positioned at the top, and the connection point of the water outlet pipe and the water storage tank is positioned at the bottom; and valves are arranged on the water inlet pipe and the water outlet pipe.

In a further aspect: the water storage tank is connected with the top of the inner cavity of the heating chamber through a mounting spring; a contact rod is fixed on the horizontal tube body of the air duct; the contact rod is L-shaped, and the tail end of a vertical rod body of the contact rod is abutted against the lower surface of the water storage tank; and the water inlet pipe and the water outlet pipe are both provided with a section of hose.

In a further aspect: the tail end of the touch rod is provided with an embedded groove, and a top bead is movably connected in the embedded groove.

In a further aspect: exhaust holes are uniformly distributed in the top shell wall of the heating chamber, a spoiler capable of plugging the exhaust holes is attached to the outer side face of the top shell wall of the heating chamber, and the spoiler is connected and fixed to a connecting block of the outer wall of the side edge of the heating chamber through a connecting spring.

In a further aspect: the connecting springs are arranged between the spoiler and the connecting block and are distributed at equal intervals along the circumferential direction.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the separation box is arranged in the combustion chamber, so that fuel particles which are not fully combusted in the boiler tail gas can be separated, then the fuel particles are ignited by the igniter to generate heat, and the part of heat and the heat contained in the tail gas are integrated and act on the water storage tank for heating, so that the waste of resources is avoided, and the energy-saving and environment-friendly effects are realized; the air guide pipe is rotatably connected with the separation box, and the air outlet holes with opposite directions are arranged on the air guide pipe, so that the air guide pipe can rotate under the action of air flow, and hot air is distributed in the heating chamber more uniformly; the water storage tank is elastically connected to the heating chamber, and meanwhile, the arrangement of the touch rod enables the water storage tank to shake water in the water storage tank, so that overlarge local temperature difference is avoided; through the spoiler that sets up elastic connection, can enough guarantee the normal discharge of air, can increase the atmospheric pressure in the heating chamber again, played the effect that improves heating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

FIG. 2 is a schematic view of the structure of the airway tube of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Notations for reference numerals: 1-pressure fan, 11-air pipe, 2-combustion chamber, 3-heating chamber, 31-air vent, 32-connecting block, 4-water storage tank, 41-water inlet pipe, 411-hose, 42-water outlet pipe, 43-installation spring, 5-air duct, 51-air outlet hole, 52-touch rod, 521-top bead, 6-separation box, 61-upper shell, 62-lower shell, 621-separation port, 7-igniter, 8-spoiler, 81-connection spring.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a boiler tail gas treatment device; comprises a pressure fan 1, a combustion chamber 2 and a heating chamber 3; be provided with separator box 6 in the combustion chamber 2, pressure fan 1's air-out end passes through tuber pipe 11 and separator box 6 intercommunication, and separator box 6 passes through air duct 5 and heating chamber 3 intercommunication, is provided with storage water tank 4 in the heating chamber 3, and during operation, leading-in to separator box 6 with boiler tail gas by pressure fan 1, then enter into heating chamber 3 via air duct 5 again to water to in the storage water tank 4 carries out heat treatment.

The separation box 6 is formed by combining an upper shell 61 and a lower shell 62, and the air pipe 11 is connected with the upper shell 61; the upper shell 61 is cylindrical and the orifice of the air duct 11 is arranged along the tangential direction of the upper shell 61, so that a rotational flow can be generated in the separation tank 6; the lower shell 62 is in an inverted conical shape, and the bottom of the lower shell is provided with a separation port 621; the igniter 7 is installed at the position, corresponding to the separation port 621, of the bottom of the inner cavity of the combustion chamber 2, and due to the effect of the rotational flow, unburned and sufficient fuel particles in tail gas can fall to the bottom of the inner cavity of the combustion chamber 2 from the separation port 621, and then the igniter 7 ignites the fuel particles, so that the resources are fully utilized.

Further, the air duct 5 is "T" type, and the vertical body of air duct 5 is worn to establish on the top conch wall of upper portion casing 61 and is connected with upper portion casing 61 rotation, and the opposite venthole 51 of orientation is seted up to the horizontal body both ends symmetry of air duct 5, and when gaseous blowout from venthole 51, air duct 5 can produce the rotation under the effect of two opposite air currents like this to carry out the jet-propelled gas-jet, make gaseous more even that distributes in heating chamber 3.

The two sides of the water storage tank 4 are respectively connected with a water inlet pipe 41 and a water outlet pipe 42, wherein the connection point of the water inlet pipe 41 and the water storage tank 4 is positioned at the top, and the connection point of the water outlet pipe 42 and the water storage tank 4 is positioned at the bottom; the water inlet pipe 41 and the water outlet pipe 42 are both provided with valves, and when the water heater is used, cold water supply and hot water leading-out work are carried out by utilizing the water inlet pipe 41 and the water outlet pipe 42.

Optionally, in this embodiment, the water storage tank 4 is connected to the top of the inner cavity of the heating chamber 3 through a mounting spring 43; a contact rod 52 is fixed on the horizontal tube body of the air duct 5; the contact rod 52 is L-shaped, the tail end of the vertical rod body of the contact rod 52 is in contact with the lower surface of the water storage tank 4, so that the elastically connected water storage tank 4 is driven to shake when the contact rod 52 rotates along with the air duct 5, water in the water storage tank 4 flows, and the problem of overlarge temperature difference of the layout is avoided; correspondingly, for the shake of the water storage tank 4, the water inlet pipe 41 and the water outlet pipe 42 are both provided with a section of hose 411.

Furthermore, the end of the touch bar 52 is provided with an embedded groove, and a top bead 521 is movably connected in the embedded groove, so that the matching resistance between the touch bar 52 and the water storage tank 4 can be reduced.

In summary, in the embodiment, the separation box 6 is arranged in the combustion chamber 2, so that fuel particles which are not fully combusted in the boiler tail gas can be separated, the igniter 7 is used for igniting the fuel particles to generate heat, and the heat contained in the tail gas are integrated and act on the water storage tank 4 for heating, so that the waste of resources is avoided, and the energy-saving and environment-friendly effects are achieved; the air duct 5 is rotatably connected with the separation box 6, and the air outlet holes 51 with opposite directions are arranged on the air duct 5, so that the air duct 5 can rotate under the action of air flow, and hot air is distributed in the heating chamber 3 more uniformly; through with storage water tank 4 elastic connection in heating chamber 3, utilize the setting of conflict pole 52 simultaneously for storage water tank 4 can rock the water in it, avoids the local difference in temperature too big.

Example 2

The embodiment of the invention is improved on the basis of the embodiment 1, and specifically comprises the following steps:

in this embodiment, the equipartition has exhaust hole 31 on the top conch wall of heating chamber 3, can be with unnecessary air escape in the heating chamber 3, avoid pressure too big, guarantee the security of work, the laminating is provided with the spoiler 8 that can be with the shutoff of exhaust hole 31 on the top conch wall lateral surface of heating chamber 3, spoiler 8 passes through connecting spring 81 and connects the connecting block 32 that is fixed in the outer wall of heating chamber 3 side, elastic connection's spoiler 8 can cause the hindrance to the discharge of air, thereby increase the atmospheric pressure in the heating chamber 3, improve heating efficiency.

Further, a plurality of the connecting springs 81 are arranged between the spoiler 8 and the connecting block 32, and the plurality of the connecting springs 81 are arranged at equal intervals in the circumferential direction.

In summary, in the embodiment, the elastically connected spoiler 8 is provided, so that not only the normal discharge of air can be ensured, but also the air pressure in the heating chamber 3 can be increased, and the effect of improving the heating efficiency can be achieved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The boiler tail gas treatment device is characterized by comprising a pressure fan (1), a combustion chamber (2) and a heating chamber (3); a separation box (6) is arranged in the combustion chamber (2), the air outlet end of the pressure fan (1) is communicated with the separation box (6) through an air pipe (11), the separation box (6) is communicated with the heating chamber (3) through an air duct (5), and a water storage tank (4) is arranged in the heating chamber (3);

the separation box (6) is formed by combining an upper shell (61) and a lower shell (62), and the air pipe (11) is connected with the upper shell (61); the upper shell (61) is cylindrical, and a pipe orifice of the air pipe (11) is arranged along the tangential direction of the upper shell (61); the lower shell (62) is in an inverted cone shape, and the bottom of the lower shell is provided with a separation port (621); an igniter (7) is arranged at the bottom of the inner cavity of the combustion chamber (2) corresponding to the position of the separation port (621).

2. The boiler tail gas treatment device according to claim 1, wherein the gas guide pipe (5) is T-shaped, a vertical pipe body of the gas guide pipe (5) is arranged on the top shell wall of the upper shell (61) in a penetrating manner and is rotatably connected with the upper shell (61), and two ends of a horizontal pipe body of the gas guide pipe (5) are symmetrically provided with gas outlet holes (51) with opposite directions.

3. The boiler tail gas treatment device according to claim 1, characterized in that both sides of the water storage tank (4) are respectively connected with a water inlet pipe (41) and a water outlet pipe (42), wherein the connection point of the water inlet pipe (41) and the water storage tank (4) is located at the top, and the connection point of the water outlet pipe (42) and the water storage tank (4) is located at the bottom; the water inlet pipe (41) and the water outlet pipe (42) are both provided with valves.

4. The boiler tail gas treatment device according to the claim 3, characterized in that the water storage tank (4) is connected with the top of the inner cavity of the heating chamber (3) through a mounting spring (43); a contact rod (52) is fixed on the horizontal tube body of the air duct (5); the contact rod (52) is L-shaped, and the tail end of a vertical rod body of the contact rod (52) is abutted against the lower surface of the water storage tank (4); the water inlet pipe (41) and the water outlet pipe (42) are both provided with a section of hose (411).

5. The boiler tail gas treatment device according to claim 4, wherein a caulking groove is formed at the tail end of the contact rod (52), and a top bead (521) is movably connected in the caulking groove.

6. The boiler tail gas treatment device according to any one of claims 1 to 5, characterized in that the top shell wall of the heating chamber (3) is uniformly provided with exhaust holes (31), a spoiler (8) capable of plugging the exhaust holes (31) is attached to the outer side surface of the top shell wall of the heating chamber (3), and the spoiler (8) is connected and fixed to a connecting block (32) of the outer wall of the side edge of the heating chamber (3) through a connecting spring (81).

7. The boiler tail gas treatment device according to claim 6, wherein a plurality of the connection springs (81) are arranged between the spoiler (8) and the connection block (32), and the plurality of the connection springs (81) are arranged at equal intervals in the circumferential direction.