CN216521757U

CN216521757U - Waste gas discharge device for industrial boiler

Info

Publication number: CN216521757U
Application number: CN202123174450.7U
Authority: CN
Inventors: 高勇; 季必霖
Original assignee: Anhui Xinbao Thermal Energy Equipment Technology Co ltd
Current assignee: Anhui Xinbao Thermal Energy Equipment Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-13
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to the technical field of waste gas discharge devices, in particular to a waste gas discharge device for an industrial boiler, which specifically comprises a waste gas access pipe, a water tank, a repeatedly-bent pipe and a filtering device, wherein the water tank is arranged at one end of the waste gas access pipe, one end of the repeatedly-bent pipe is connected with the middle part of one side of the water tank, the other end of the waste gas access pipe is communicated with an inlet of the filtering device, the water tank is of an internal hollow structure, baffle covers are respectively arranged on the front and back surfaces of the repeatedly-bent pipe, and a refrigerating device for cooling the temperature of waste gas in the waste gas access pipe is respectively arranged inside each baffle cover. Under the action of the repeatedly bent pipe and the refrigerating device, the circulation time of the waste gas is prolonged, the waste gas can fully receive the temperature emitted by the refrigerating device, and the temperature of the waste gas is further reduced, so that the temperature of the waste gas can reach the effect of entering the filtering device, the high-temperature waste gas is prevented from directly entering the filtering device to cause the damage of the high-temperature waste gas, and the service life of the filtering device is further prolonged.

Description

Waste gas discharge device for industrial boiler

Technical Field

The utility model relates to the technical field of waste gas discharge devices, in particular to a waste gas discharge device for an industrial boiler.

Background

The boiler functions as a thermal energy device that burns fuel to release thermal energy or utilizes energy released by other substances to change water into steam or heat water into hot water at a certain temperature to be output.

At present, a large amount of boiler equipment is required due to the requirement of industrial production, and high-temperature waste gas generated during the operation of a boiler, such as direct discharge, can cause air pollution. The existing method discharges filtered high-temperature waste gas, but the high-temperature waste gas is often lack of temperature reduction, and if the high-temperature waste gas is directly filtered, the filter device is damaged, so that the service life of the filter device is greatly reduced.

SUMMERY OF THE UTILITY MODEL

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

the utility model provides an exhaust emission device for industrial boiler, includes that waste gas inserts pipe, water tank, crooked pipe and filter equipment relapse, the water tank is located waste gas inserts the one end of pipe, crooked pipe one end relapse with the middle part of water tank one side is connected, waste gas insert the other end of pipe with filter equipment's import is linked together, the water tank is inside hollow structure, the positive back of crooked pipe relapses all is equipped with one and keeps off the cover, two keep off the inside of cover and all be equipped with a refrigerating plant that cooling waste gas inserts intraductal waste gas temperature.

As a preferred technical scheme of the utility model, the inlet and the outlet of the two sides of the waste gas access pipe are both provided with connecting flanges, the connecting flange of the inlet of the waste gas access pipe is connected with the waste gas outlet of the boiler through bolts, and the connecting flange of the outlet of the waste gas access pipe is also connected with the inlet of one side of the water tank through bolts.

As a preferable technical scheme of the utility model, the middle structure of the water tank is an exhaust gas circulation area, and other parts except the exhaust gas circulation area in the water tank are heating water storage areas.

As a preferred technical scheme of the utility model, a water inlet pipe and an exhaust pipe are respectively arranged on two sides of the top of the water tank, a water outlet pipe is arranged on one side of the bottom of the water tank, and an electromagnetic valve is arranged outside the water outlet pipe.

As a preferred technical scheme of the present invention, the inlet and the outlet of the two ends of the repeatedly bent pipe are both provided with a connecting flange, the connecting flange of the inlet of the repeatedly bent pipe is also connected with one end of the waste gas circulation area in the water tank through a bolt, and the connecting flange of the outlet of the repeatedly bent pipe is also connected with the inlet of the filtering device through a bolt.

As a preferred technical scheme of the utility model, the two retaining covers are arranged in a mirror image mode, the outer parts of the connecting parts of the retaining covers are fixedly connected through a plurality of support plates at equal intervals by using bolts, and the inner parts of the two retaining covers are both in a concave shape.

As a preferred technical scheme of the utility model, the interior of the filtering device is divided into three areas, namely a primary purification area, a high-efficiency purification area and an active carbon adsorption area, and the outlet of the refrigerating device is fixedly connected with a discharge pipe.

The utility model has the beneficial effects that:

according to the waste gas discharge device for the industrial boiler, water in the water tank is heated by utilizing waste heat of waste gas to achieve the effect of recycling heat, and the temperature of the waste gas is reduced; under the effect of the pipe of bending repeatedly and refrigerating plant again, the circulation time of extension waste gas lets waste gas fully receive the temperature that refrigerating plant gived off, lets the temperature of waste gas further obtain reducing to let the waste gas temperature reach and to get into the inside effect of filter equipment, avoided high temperature waste gas directly to get into filter equipment and caused its self damage, and let filter equipment's life obtain further promotion.

Drawings

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

FIG. 1 is a schematic structural view of an exhaust gas-discharging device for an industrial boiler according to the present invention;

FIG. 2 is a schematic view of a partially exploded structure of an exhaust gas discharge apparatus for an industrial boiler according to the present invention;

FIG. 3 is a schematic view showing an internal structure of a water tank of an exhaust gas discharge apparatus for an industrial boiler according to the present invention.

In the figure: 1. an exhaust gas inlet pipe; 2. a water tank; 3. repeatedly bending the tube; 4. a filtration device; 41. a primary cleaning zone; 42. a high efficiency purification zone; 43. an activated carbon adsorption zone; 5. a shield; 6. a refrigeration device; 7. an exhaust gas flow-through region; 8. heating a water storage area; 9. a water inlet pipe; 10. an exhaust pipe; 11. a water outlet pipe; 12. an electromagnetic valve; 13. a support plate; 14. and (4) discharging the water.

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 described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 3, the exhaust gas discharging device for an industrial boiler of the present invention comprises an exhaust gas inlet pipe 1, a water tank 2, a repeatedly bending pipe 3 and a filtering device 4, wherein the water tank 2 is arranged at one end of the exhaust gas inlet pipe 1, one end of the repeatedly bending pipe 3 is connected with the middle part of one side of the water tank 2, the other end of the exhaust gas inlet pipe 1 is communicated with an inlet of the filtering device 4, the water tank 2 is of an internal hollow structure, the front surfaces of the repeatedly bending pipes 3 are respectively provided with a baffle cover 5, and a refrigerating device 6 for cooling the temperature of the exhaust gas in the exhaust gas inlet pipe 1 is respectively arranged inside the two baffle covers 5.

The inlet and outlet of the two sides of the waste gas access pipe 1 are both provided with connecting flanges, the connecting flange of the inlet of the waste gas access pipe 1 is connected with the waste gas outlet of the boiler through a bolt, and the connecting flange of the outlet of the waste gas access pipe 1 is also connected with the inlet of one side of the water tank 2 through a bolt; the middle structure of the water tank 2 is a waste gas circulation area 7, and other parts except the waste gas circulation area 7 in the water tank 2 are heating water storage areas 8;

a water inlet pipe 9 and an exhaust pipe 10 are respectively arranged on two sides of the top of the water tank 2, a water outlet pipe 11 is arranged on one side of the bottom of the water tank 2, and an electromagnetic valve 12 is arranged outside the water outlet pipe 11; one end of a waste gas access pipe 1 of the waste gas discharge device is connected with a waste gas discharge port of a boiler, waste gas generated during working in the boiler can pass through the waste gas access pipe 1 and enter a waste gas circulation area 7 in a water tank 2, the temperature of smoke gas at the outlet of the boiler given by a common boiler design unit is about 140-150 ℃, and is about 180-220 ℃, the smoke gas is waste gas, the temperature of the waste gas is higher, when the waste gas passes through the waste gas circulation area 7 in the water tank 2, raw water injected into a heating water storage area 8 in the water tank 2 can be heated, the raw water is changed into hot water, an electromagnetic valve 12 is opened to communicate the inside of a water outlet pipe 11 with the inside of the heating water storage area 8, the hot water can be discharged for workers to use, and when the hot water is used, the water can be injected into the water tank 2 through a water inlet pipe 9 and then is heated, so that the waste heat of the waste gas with medium and high temperature can be reused, and at the same time allows the temperature of the exhaust gas to be reduced.

Connecting flanges are arranged at the inlet and the outlet of the two ends of the repeatedly bent pipe 3, the connecting flange at the inlet of the repeatedly bent pipe 3 is also connected with one end of a waste gas circulation area 7 in the water tank 2 through a bolt, and the connecting flange at the outlet of the repeatedly bent pipe 3 is also connected with the inlet of the filtering device 4 through a bolt; the two blocking covers 5 are arranged in a mirror image mode, the outer portions of the connecting positions of the two blocking covers 5 are fixedly connected through a plurality of support plates 13 at equal intervals by using bolts, and the inner portions of the two blocking covers 5 are both in a concave shape;

the temperature of the waste gas is reduced to a certain extent by heating the water in the water tank 2, the temperature of the waste gas is about 80-110 ℃, then the waste gas enters the repeatedly bent pipe 3 subsequently, the structural design of the repeatedly bent pipe 3 can prolong the circulation time of the waste gas in the repeatedly bent pipe 3, so that the cold gas generated during the work of the waste gas can be received under the action of two refrigerating devices 6 on the front and back sides, the temperature of the waste gas is further reduced, the temperature of the waste gas is about 20-30 ℃, the temperature of the waste gas cannot damage a filter screen and other parts in the filtering device 4 when the waste gas enters the filtering device (6), and the two refrigerating devices are one of a compression type refrigerating machine, an absorption type refrigerating machine, a steam jet type refrigerating machine and a semiconductor refrigerating machine).

The interior of the filtering device 4 is divided into three areas, which are respectively a primary purifying area 41, a high-efficiency purifying area 42 and an active carbon adsorption area 43, the outlet of the refrigerating device 6 is fixedly connected with a discharge pipe 14, the waste gas enters the filtering device 4 from the outlet of the repeated bending pipe 3, and sequentially passes through a primary purification area 41, a high-efficiency purification area 42 and an active carbon adsorption area 43, the primary purification area 41 simply filters impurities in the waste gas, the high-efficiency purification area 42 deeply purifies the impurities in the waste gas, and finally passes through the active carbon adsorption area 43 for adsorption, because the active carbon has strong physical adsorption and chemical adsorption, certain organic compounds can be adsorbed to achieve the removal effect, the peculiar smell in the waste gas can be removed, and the waste gas is changed into nontoxic and harmless gas after being treated for many times and is finally discharged through the discharge pipe 14.

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 those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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 and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. The utility model provides an exhaust emission device for industrial boiler, includes waste gas access pipe (1), water tank (2), crooked pipe (3) and filter equipment (4) repeatedly, water tank (2) are located waste gas access pipe's (1) one end, crooked pipe (3) one end repeatedly with the middle part of water tank (2) one side is connected, waste gas access pipe's (1) the other end with the import of filter equipment (4) is linked together, a serial communication port, water tank (2) are inside hollow structure, the positive back of crooked pipe (3) is repeated all is equipped with one and keeps off cover (5), two keep off the inside of cover (5) and all be equipped with a cooling waste gas and insert refrigerating plant (6) of exhaust temperature in pipe (1).

2. The exhaust gas discharge device for the industrial boiler according to claim 1, wherein the inlet and outlet of the exhaust gas inlet pipe (1) are provided with connecting flanges, the connecting flange of the inlet of the exhaust gas inlet pipe (1) is connected with the exhaust gas outlet of the boiler through bolts, and the connecting flange of the outlet of the exhaust gas inlet pipe (1) is also connected with the inlet of one side of the water tank (2) through bolts.

3. The exhaust gas discharge apparatus for an industrial boiler as set forth in claim 1, wherein said water tank (2) has a middle structure of an exhaust gas flow area (7), and the inside of said water tank (2) except for the exhaust gas flow area (7) is a heated water storage area (8).

4. The exhaust gas discharge device for the industrial boiler according to claim 1, wherein a water inlet pipe (9) and an exhaust pipe (10) are respectively provided at both sides of the top of the water tank (2), a water outlet pipe (11) is provided at one side of the bottom of the water tank (2), and a solenoid valve (12) is installed at the outside of the water outlet pipe (11).

5. The exhaust gas discharge device for the industrial boiler according to claim 1, wherein the inlet and outlet of the two ends of the repeatedly bent pipe (3) are provided with connecting flanges, the inlet connecting flange of the repeatedly bent pipe (3) is connected with one end of the exhaust gas flowing area (7) in the water tank (2) through a bolt, and the outlet connecting flange of the repeatedly bent pipe (3) is connected with the inlet of the filtering device (4) through a bolt.

6. The exhaust gas discharge apparatus for industrial boilers, according to claim 1, characterized in that two said shrouds (5) are arranged in mirror image, and the outer portions of the joints are fastened by a plurality of support plates (13) at equal intervals using bolts, and the inner portions of the two said shrouds (5) are both concave.

7. The exhaust gas discharge apparatus for industrial boilers, according to claim 1, characterized in that the inside of the filtering device (4) is divided into three areas, which are a primary purification area (41), a high efficiency purification area (42) and an activated carbon adsorption area (43), and the outlet of the refrigerating device (6) is connected to a discharge pipe (14).