CN213931004U

CN213931004U - Flue gas reflux exchanger

Info

Publication number: CN213931004U
Application number: CN202022740383.XU
Authority: CN
Inventors: 陈煜�; 龚明达; 丁一涛; 陈亮; 龚建达; 富坚定
Original assignee: WUXI HUAJING NEW MATERIAL CO LTD
Current assignee: WUXI HUAJING NEW MATERIAL CO LTD
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-10
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a flue gas backward flow interchanger, including core and heated side exit channel, the top swing joint of core has first expansion joint, and the top swing joint of first expansion joint has the second expansion joint, the below left and right sides of core is provided with oblique material, and the below of material is provided with C shaped steel to one side, both ends all are provided with the curb plate around the core, and the right side of curb plate is provided with exothermic side exit channel, the right side of heated side exit channel is provided with heated side entry channel. This flue gas backward flow interchanger compares with current ordinary flue gas backward flow interchanger, and the fan inhales high temperature waste gas in the furnace by the exhanst gas outlet, needs to use gas to exchange through interchanger import and the interior high temperature waste gas of suction of converter pterygoid lamina and stove and obtain high temperature gas, and high temperature gas can be used to take the steel to brush and wash the back and dry, also can regard as the combustion-supporting wind of nozzle to use, has effectively recycled high temperature waste gas, has saved use cost, has also reached the purpose of environmental protection.

Description

Flue gas reflux exchanger

Technical Field

The utility model relates to a flue gas backward flow interchanger.

Background

In the face of the national environmental protection requirements for thermal power plants, most of the domestic thermal power plants have been reformed by desulfurization and denitrification so as to effectively reduce the atmospheric environmental pollution, but with the increasingly strict national requirements on energy conservation and environmental protection, enterprises such as power generation, steel and chemical industry and the like are used as coal-fired major households, and the nation puts forward higher treatment and modification requirements on the enterprises, and a boiler system is indispensable coal-fired equipment for the enterprises such as power generation, steel and chemical industry and the like, in the combustion process, due to technical problems, coal can not be fully combusted, so that a large amount of solid particles, carbon monoxide and other harmful gases exist in the discharged flue gas, the haze phenomenon and the like in the surrounding area are more serious, the health of the surrounding personnel is seriously harmed, therefore, how to improve the utilization rate of fuels such as coal and reduce the content of harmful substances in the flue gas discharged from the boiler system becomes one of the technical problems to be solved urgently by the technical personnel in the field.

Current flue gas backward flow interchanger can not be completely effectual carries out the efficient exchange to the flue gas at the in-process that uses for high temperature waste gas easily leads to the pollution of environment, and recycle is not convenient for again, makes the high temperature burning still can cause great pollution to the environment, and environmental protection effect is poor, and makes industry electricity generation manufacturing cost increase.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current flue gas backward flow interchanger, can not carry out the efficient exchange to the flue gas completely effectually at the in-process that uses for high temperature waste gas easily leads to the pollution of environment, and recycle is not convenient for again, makes the high temperature burning still can cause great pollution to the environment, and the environmental protection effect is poor, and makes the defect that industrial power generation manufacturing cost increases, provides the flue gas backward flow interchanger.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model discloses a flue gas reflux exchanger, including core and heated side outlet channel, the top swing joint of core has first expansion joint, and the top swing joint of first expansion joint has the second expansion joint, the below left and right sides of core is provided with the lumber to one side, and the below of lumber is provided with C shaped steel to one side, both ends are provided with the curb plate around the core, and the right side of curb plate is provided with heat-emitting side outlet channel, the right side of heated side outlet channel is provided with heated side inlet channel, and heated side outlet channel is located the top of second expansion joint, the right side of heated side inlet channel is provided with heated side outlet flange companion flange, and the below of heated side outlet flange companion flange is provided with the turn passageway, the top left and right sides fixedly connected with the lug, the below of C shaped steel is provided with the pallet, and the below of pallet is provided with the foot, and a flange mating flange of a heating side inlet and outlet is arranged above the heating side inlet channel.

Preferably, the central axis of the core coincides with the central axis of the heated side outlet channel, and the inclined plates are symmetrical with respect to the central axis of the core.

Preferably, the C-shaped steels are symmetrical with respect to a central axis of the movement, and the C-shaped steels are vertically mounted on the upper surface of the stand.

Preferably, the central axis of the heated-side inlet channel is parallel to the central axis of the heated-side outlet channel, and the central axis of the heat-releasing-side outlet channel is perpendicular to the central axis of the heated-side inlet channel.

Preferably, the lifting lugs are symmetrical about a central axis of the movement, and the upper surfaces of the feet are tightly attached to the lower surface of the stand.

Preferably, the central axis of the heat-releasing side outlet channel coincides with the central axis of the heat-receiving side outlet flange mating flange, and the central axis of the heat-releasing side outlet channel is perpendicular to the central axis of the heat-receiving side inlet channel.

The utility model discloses the beneficial effect who reaches is:

1. through the arrangement of the machine core, the first expansion joint, the second expansion joint, the oblique material and the C-shaped steel, smoke backflow is realized by the machine core when the device is used, and the oblique material and the C-shaped steel are special steel;

2. the side plate, the heated side inlet channel, the heated side outlet channel, the heat-releasing side outlet channel and the turning channel are arranged, so that the side plate can play a role in strengthening support, gas is required to enter the inside of the exchanger from the heated side inlet channel during exchange and exchange with internal high-temperature waste gas, the gas is led out from the heated side outlet channel after the exchange is finished, the gas is circularly exchanged, and the turning channel plays a role in energy interactive buffering, so that the pressure in the exchanger is reduced, and the operation safety is ensured;

3. the lifting lugs, the feet, the stand, the heated side inlet and outlet flange mating flange and the heated side outlet flange mating flange are arranged, so that a fan sucks high-temperature waste gas in a hearth from a flue gas outlet, the high-temperature gas is obtained by exchanging the high-temperature waste gas which needs to be sucked out from a converter through an exchanger inlet and a converter wing plate, the high-temperature gas can be used for drying after steel brushing and can also be used as burner combustion-supporting air, the feet are fixedly arranged on a mounting surface during mounting by the arrangement of the lifting lugs, the feet and the stand, and the connection between the whole exchanger and main body equipment can be enhanced by the aid of the high-temperature gas, so that the safety of operation equipment is enhanced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a movement; 2. a first expansion joint; 3. a second expansion joint; 4. oblique material; 5. c-shaped steel; 6. A side plate; 7. a heated side inlet channel; 8. a heated side outlet channel; 9. a heat release side outlet channel; 10. turning the channel; 11. lifting lugs; 12. a foot; 13. a stand; 14. a heated side inlet and outlet flange mating flange; 15. A heated side outlet flange companion flange.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1 and 2, the flue gas reflux exchanger comprises a machine core 1 and a heated side outlet channel 8, wherein a first expansion joint 2 is movably connected above the machine core 1, a second expansion joint 3 is movably connected above the first expansion joint 2, oblique materials 4 are arranged on the left side and the right side below the machine core 1, a C-shaped steel 5 is arranged below the oblique materials 4, the central axis of the machine core 1 is coincided with the central axis of the heated side outlet channel 8, the oblique materials 4 are symmetrical with respect to the central axis of the machine core 1, the arrangement of the machine core 1, the first expansion joint 2, the second expansion joint 3, the oblique materials 4 and the C-shaped steel 5 ensures that flue gas reflux is realized by using the machine core 1 when in use, the oblique materials 4 and the C-shaped steel 5 are special steel, and are characterized by thin wall, light dead weight, excellent section performance and high strength, and the service life of the device is prolonged when in use, in the process of high-temperature exchange, in order to avoid internal deformation caused by the rise of the internal pressure and temperature of the exchanger, the arranged expansion energy-saving device ensures that the interior of the exchanger cannot deform, saves space and materials and has low use cost;

as shown in fig. 2 and 3, the front end and the rear end of the movement 1 are both provided with side plates 6, the right side of each side plate 6 is provided with a heat-releasing side outlet channel 9, the right side of each heat-receiving side outlet channel 8 is provided with a heat-receiving side inlet channel 7, each heat-receiving side outlet channel 8 is positioned above the second expansion joint 3, the right side of each heat-receiving side inlet channel 7 is provided with a heat-receiving side outlet flange mating flange 15, a turning channel 10 is arranged below each heat-receiving side outlet flange mating flange 15, the C-shaped steel 5 is symmetrical with respect to the central axis of the movement 1, the C-shaped steel 5 is vertically installed on the upper surface of the stand 13, the lifting lugs 11 are symmetrical with respect to the central axis of the movement 1, and the upper surfaces of the legs 12 are tightly attached to the lower surface of the stand 13;

as shown in fig. 1 and 3, lifting lugs 11 are fixedly connected to the left side and the right side above the core 1, a stand 13 is arranged below the C-shaped steel 5, feet 12 are arranged below the stand 13, a heated side inlet/outlet flange companion flange 14 is arranged above the heated side inlet channel 7, the lifting lugs 11 are symmetrical with respect to the central axis of the core 1, the upper surfaces of the feet 12 are tightly attached to the lower surface of the stand 13, the central axis of the heat-releasing side outlet channel 9 coincides with the central axis of the heated side outlet flange companion flange 15, and the central axis of the heat-releasing side outlet channel 9 is perpendicular to the central axis of the heated side inlet channel 7.

The working principle is as follows: the side plate 6 can be used for strengthening the supporting effect, gas is required to enter the inside of the exchanger from the heated side inlet channel 7 during exchange and exchange with internal high-temperature waste gas, the gas is led out from the heated side outlet channel 8 after the exchange is finished, the gas is circularly exchanged, the turning channel 10 has the effect of energy interactive buffering, the pressure in the exchanger is reduced, the fan sucks the high-temperature waste gas in the hearth from the flue gas outlet, the gas is required to be used, the high-temperature gas is obtained through exchange between the exchanger inlet and the high-temperature waste gas sucked out from the furnace, and the high-temperature gas can be used for drying after steel brushing and can also be used as burner combustion-supporting air.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Flue gas backward flow exchanger, including core (1) and heated side outlet channel (8), its characterized in that: the machine core comprises a machine core (1), wherein a first expansion joint (2) is movably connected to the upper portion of the machine core (1), a second expansion joint (3) is movably connected to the upper portion of the first expansion joint (2), oblique materials (4) are arranged on the left side and the right side of the lower portion of the machine core (1), C-shaped steel (5) is arranged below the oblique materials (4), side plates (6) are arranged at the front end and the rear end of the machine core (1), heat-releasing side outlet channels (9) are arranged on the right sides of the side plates (6), a heat-receiving side inlet channel (7) is arranged on the right side of the heat-receiving side outlet channel (8), the heat-receiving side outlet channel (8) is located above the second expansion joint (3), a heat-receiving side outlet flange mating flange (15) is arranged on the right side of the heat-receiving side inlet channel (7), a turning channel (10) is arranged below the heat-receiving outlet flange mating flange (15), lifting lugs, the lower part of C shaped steel (5) is provided with stand (13), and the below of stand (13) is provided with foot (12), the top of receiving heat side entry way (7) is provided with receives heat side access & exit flange companion flange (14).

2. The flue gas recirculation exchanger of claim 1, wherein: the central axis of the machine core (1) is coincident with the central axis of the heated side outlet channel (8), and the inclined materials (4) are symmetrical about the central axis of the machine core (1).

3. The flue gas recirculation exchanger of claim 1, wherein: the C-shaped steel (5) is symmetrical about the central axis of the movement (1), and the C-shaped steel (5) is vertically arranged on the upper surface of the stand (13).

4. The flue gas recirculation exchanger of claim 1, wherein: the central axis of the heated side inlet channel (7) is parallel to the central axis of the heated side outlet channel (8), and the central axis of the heat-releasing side outlet channel (9) is perpendicular to the central axis of the heated side inlet channel (7).

5. The flue gas recirculation exchanger of claim 1, wherein: the lifting lugs (11) are symmetrical about the central axis of the movement (1), and the upper surfaces of the feet (12) are tightly attached to the lower surface of the stand (13).

6. The flue gas recirculation exchanger of claim 1, wherein: the central axis of the heat-releasing side outlet channel (9) coincides with the central axis of the heated side outlet flange mating flange (15), and the central axis of the heat-releasing side outlet channel (9) is perpendicular to the central axis of the heated side inlet channel (7).