CN111947168A - Waste gas incineration device - Google Patents

Abstract

The invention relates to an exhaust gas incineration device, comprising: an incineration cavity, a heat exchange tube group, a mounting frame group, an air outlet and confluence pipe group and a burner; an exhaust gas inlet, an installation area, a combustion area and a burner are arranged in the incineration cavity. The exhaust gas outlet, the installation area is located between the exhaust gas inlet and the combustion area; the installation frame group is installed in the installation area, the heat exchange tube group is inserted on the installation frame group, and the air inlet of the heat exchange tube group is communicated with the combustion area , there is a gap between each heat exchange tube in the heat exchange tube group to form a heat exchange flow channel group, the air inlet of the heat exchange flow channel group is connected with the exhaust gas inlet, and the air outlet of the heat exchange flow channel group is connected with the combustion The gas outlet of the heat exchange tube group is communicated with the inner cavity of the gas outlet confluence tube group, and the gas outlet of the gas outlet confluence channel group is communicated with the waste gas outlet; the burner is installed in the combustion area to ignite the gas in the combustion area. The exhaust gas is pre-mixed, the temperature is uniform, the combustion is sufficient, and it will not pollute the environment and form acid rain.

Description

Waste gas incineration device

technical field

The invention relates to a waste gas incineration device.

Background technique

At present, the waste gas incineration device includes an incineration cavity, a heat exchange tube group and a burner. The incineration cavity includes an installation area and a combustion area. The heat exchange tube group is installed in the installation area, and the burner is installed in the combustion area. When in use, the exhaust gas enters the combustion area from the heat exchange tube group, the burner ignites the exhaust gas in the combustion area, and the burned exhaust gas flows out through the heat exchange tube group. The waste gas of the above-mentioned waste gas incineration device is not premixed. After the waste gas enters the combustion area, the temperature of the waste gas is uneven and the combustion is insufficient, which will produce dioxins and nitrogen oxides, thereby polluting the environment and forming acid rain.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a waste gas incineration device, the waste gas is premixed, the temperature is average, the combustion is sufficient, and the environment will not be polluted and acid rain will not be formed.

In order to achieve the above purpose, the first technical solution of the present invention is achieved in this way, which is a waste gas incineration device, which is characterized in that it includes:

an incineration cavity; an exhaust gas inlet, an installation area, a combustion area and an exhaust gas outlet are arranged in the incineration cavity, and the installation area is located between the exhaust gas inlet and the combustion area;

A heat exchange tube group and an installation frame group; the installation frame group is installed in the installation area, the heat exchange tube group is inserted on the installation frame group and located in the installation area, and the air inlet of the heat exchange tube group is communicated with the combustion area, There is a gap between each heat exchange tube in the heat exchange tube group to form a heat exchange flow channel group, the air inlet of the heat exchange flow channel group is connected with the exhaust gas inlet, and the air outlet of the heat exchange flow channel group is connected with the combustion area connected;

an air outlet confluence pipe group; the air outlet confluence pipe group is installed in the installation area, the air outlet of the heat exchange pipe group is communicated with the inner cavity of the air outlet confluence pipe group, and the air outlet of the air outlet confluence channel group is communicated with the waste air outlet; and

A burner; the burner is installed in the combustion zone to ignite the gases in the combustion zone.

In this technical solution, an air intake cavity, a check valve, a fan, a flame arrester and an air supply valve are also included; the air inlet of the air intake cavity is communicated with the exhaust gas, and the air outlet of the air intake cavity is connected with the exhaust gas inlet. The air port is connected, and the check valve, the fan, the flame arrester and the air supply valve are installed in the air intake cavity.

In this technical solution, the mounting racks in the mounting rack group are arranged at staggered intervals, the mounting racks are column-shaped, and the edge of the mounting rack is located in the heat exchange channel group, so that the heat exchange channel group is "S" shaped.

In the present technical solution, each of the gas outlet manifolds in the gas outlet manifold group is arranged in a staggered manner, and the volume of the inner cavity of the gas outlet manifold continues to increase in the direction of the exhaust gas outlet.

In the technical solution, the heat exchange tubes of the heat exchange tube group are arranged horizontally in upper and lower layers, and the adjacent upper and lower layers are staggered, and the heat exchange tubes are ceramic tubes.

In order to achieve the above-mentioned purpose, the second technical solution of the present invention is achieved in this way, which is a waste gas incineration device, which is characterized in that it includes:

Incineration cavity; the incineration cavity is provided with an exhaust gas inlet, an installation area, a combustion area and an exhaust gas outlet that communicate with the external exhaust gas;

A heat exchange tube group and an installation frame group; the installation frame group is installed in the installation area, the heat exchange tube group is inserted on the installation frame group and located in the installation area, and the air inlet of the heat exchange tube group is communicated with the combustion area, The air outlet of the heat exchange tube group is communicated with the exhaust gas outlet, and there is a gap between each heat exchange tube in the heat exchange tube group to form a heat exchange flow channel group, and the air outlet of the heat exchange flow channel group is communicated with the combustion area ,;

The intake manifold flow channel group arranged vertically above one layer; the intake manifold manifold is installed in the installation area, the intake port of the intake manifold manifold is connected with the exhaust gas inlet, and the air outlet of the intake manifold manifold communicating with the air inlet of the corresponding heat exchange runner group so that the exhaust gas enters the heat exchange runner group; and

A burner; the burner is installed in the combustion zone to ignite the gases in the combustion zone.

In this technical solution, an air intake cavity, a check valve, a fan, a flame arrester and an air supply valve are also included; the air inlet of the air intake cavity is communicated with the exhaust gas, and the air outlet of the air intake cavity is connected with the exhaust gas inlet. The air port is connected, and the check valve, the fan, the flame arrester and the air supply valve are installed in the air intake cavity.

In this technical solution, the mounting racks in the mounting rack group are arranged at staggered intervals, the mounting racks are column-shaped, and the edge of the mounting rack is located in the heat exchange channel group, so that the heat exchange channel group is "S" shaped.

In this technical solution, each layer of the intake manifold flow channel group is in an "L" shape, the intake port of the longitudinal flow passage of the intake manifold flow channel is connected with the exhaust gas inlet, and the lateral flow of the intake manifold flow channel The air outlet of the channel is communicated with the corresponding heat exchange channel group, so that the exhaust gas enters the heat exchange channel group.

In this technical solution, the air outlet of the heat exchange tube group passes through the intake and confluence flow channel group and communicates with the exhaust gas outlet. Staggered arrangement, the heat exchange tubes of the heat exchange tube group are ceramic tubes.

Compared with the prior art, the invention has the advantages that the waste gas is pre-mixed, the temperature is average, the combustion is sufficient, and the environment is not polluted and acid rain is not formed.

Description of drawings

1 is a schematic structural diagram of Embodiment 1 of the present invention;

Fig. 2 is the top view of the first embodiment of the present invention;

Fig. 3 is the A-A sectional enlarged view of Fig. 2;

Fig. 4 is the B-B sectional enlarged view of Fig. 3;

5 is a left side view of Embodiment 1 of the present invention;

Fig. 6 is the C-C cross-sectional enlarged view of Fig. 3;

7 is a schematic structural diagram of Embodiment 1 of the present invention after removing the cavity and the burner;

8 is a schematic structural diagram of Embodiment 2 of the present invention;

Fig. 9 is the top view of the second embodiment of the present invention;

Fig. 10 is the C-C sectional enlarged view of Fig. 9;

Fig. 11 is the D-D cross-sectional enlarged view of Fig. 9;

12 is a left side view of Embodiment 2 of the present invention;

Fig. 13 is the E-E cross-sectional enlarged view of Fig. 12;

FIG. 14 is a schematic structural diagram of the second embodiment of the present invention after removing the cavity and the burner.

Detailed ways

The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help the understanding of the present invention, but do not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as there is no conflict with each other.

In the description of the present invention, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and does not require the present invention to be in a specific orientation construction and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

Example 1

As shown in Figure 1 to Figure 7, it is a waste gas incineration device, including:

Incineration cavity 2; the incineration cavity 2 is provided with an exhaust gas inlet 21, an installation area, a combustion area 23 and an exhaust gas outlet 22, and the installation area is located between the exhaust gas inlet 21 and the combustion area 23;

The heat exchange tube group 5 and the mounting rack group 4; the mounting rack group 4 is installed in the installation area, the heat exchange tube group 5 is inserted on the installation rack group 4 and is located in the installation area, and the air intake of the heat exchange tube group 5 The port is communicated with the combustion area 23, there is a gap between each heat exchange tube in the heat exchange tube group 5 to form a heat exchange flow channel group 52, and the air inlet of the heat exchange flow channel group 52 is communicated with the exhaust gas intake port 21, The air outlet of the heat exchange flow channel group 52 is communicated with the combustion area 23;

The air outlet manifold group 3; the air outlet manifold group 3 is installed in the installation area, the air outlet of the heat exchange tube group 5 is communicated with the inner cavity of the air outlet manifold group 3, and the air outlet of the air outlet confluence channel group 3 and the waste air outlet 22 Connected; and

Burner 6 ; the burner 6 is installed in the combustion zone 23 so as to ignite the gas in the combustion zone 23 .

During operation, the exhaust gas enters the exhaust gas inlet 21, and the gas entering the exhaust gas inlet 21 enters the heat exchange flow channel group 52, and the exhaust gas conducts heat exchange in the heat exchange flow channel group 52, and collides with the installation on the mounting frame group 4. The exhaust gas after passing through the heat exchange channel group 52 enters the combustion area 23, the burner 6 ignites the gas in the combustion area 23, and the burned gas enters the inlet of the heat exchange tube group 5. The heat exchange tube group 5 dissipates heat, thereby preheating the waste gas in the heat exchange flow channel group 52, and the gas in the gas outlet collection tube group 3 passes through the waste gas. The air outlet 22 is discharged.

In this embodiment, it also includes an intake cavity 1, a check valve 7, a fan 8, a flame arrester 9 and an air supply valve 10; the intake port of the intake cavity 1 is communicated with the exhaust gas, and the intake cavity The air outlet of 1 communicates with the exhaust gas inlet 21 , and the check valve 7 , the fan 8 , the flame arrester 9 and the air supply valve 10 are installed in the air inlet cavity 1 .

During operation, the exhaust gas enters the exhaust gas inlet 21 of the incineration chamber 2 through the check valve 7 , the fan 8 , the flame arrester 9 and the air supply valve 10 in sequence.

In this embodiment, the mounting racks in the mounting rack group 4 are arranged in a staggered interval, the mounting racks are column-shaped, and the edges of the mounting racks are located in the heat exchange flow channel group 52, so that the heat exchange flow channel group 52 is "S". "type. During operation, the heat exchange flow channel group 52 is in an "S" shape, which prolongs the length of the heat exchange flow channel group 52 and increases the heat exchange time of the exhaust gas, so that the exhaust gas temperature is uniform and the combustion is sufficient. Various gases in the exhaust gas collide with the mounting frame and cross and intersperse, so that the various gases in the exhaust gas are mixed evenly and the combustion is sufficient.

In this embodiment, each of the gas outlet manifolds in the gas outlet manifold group 3 is arranged in a staggered manner, and the volume of the inner cavity of the gas outlet manifold is continuously increased toward the exhaust gas outlet 22 .

In this embodiment, the heat exchange tubes of the heat exchange tube group 5 are arranged horizontally in upper and lower layers, and the adjacent upper and lower layers are staggered, and the heat exchange tubes are ceramic tubes.

Embodiment 2

As shown in Figure 8 to Figure 14, a waste gas incineration device is characterized in that it includes:

Incineration cavity 2; the incineration cavity 2 is provided with an exhaust gas inlet 21, an installation area, a combustion area 23 and an exhaust gas outlet 22 that communicate with external exhaust gas;

The heat exchange tube group 5 and the mounting rack group 4; the mounting rack group 4 is installed in the installation area, the heat exchange tube group 5 is inserted on the installation rack group 4 and is located in the installation area, and the air intake of the heat exchange tube group 5 The outlet is communicated with the combustion area 23, the air outlet of the heat exchange tube group 5 is communicated with the exhaust gas outlet 22, and there is a gap between each heat exchange tube in the heat exchange tube group 5 to form a heat exchange flow channel group 52. The air outlet of the hot runner group 52 communicates with the combustion area 23;

The intake manifold flow channel group 11 arranged vertically above one layer; the intake manifold manifold 11 is installed in the installation area, the intake port of the intake manifold manifold 11 is communicated with the exhaust gas intake port 21, and the intake manifold manifold The air outlet of the group 11 communicates with the air inlet of the corresponding heat exchange runner group 52 so that the exhaust gas enters the heat exchange runner group 52; and

Burner 6 ; the burner 6 is installed in the combustion zone 23 so as to ignite the gas in the combustion zone 23 .

During operation, the exhaust gas enters the intake manifold 11 after passing through the exhaust gas inlet 21. The intake manifold 11 guides the gas evenly into the heat exchange flow channel group 52 of each layer, and the exhaust gas conducts heat exchange in the heat exchange flow channel group 52. , and collide with the mounting racks on the mounting rack group 4 to cross and mix evenly, the exhaust gas enters the combustion area 23 through the gas after the heat exchange channel group 52, the burner 6 ignites the gas in the combustion area 23, and the burned gas Enter the air inlet of the heat exchange tube group 5, and communicate with the exhaust gas outlet 22 through the air outlet of the heat exchange tube group 5; the heat exchange tube group 5 dissipates heat, thereby preheating the exhaust gas in the heat exchange channel group 52 .

In this embodiment, it also includes an intake cavity 1, a check valve 7, a fan 8, a flame arrester 9 and an air supply valve 10; the intake port of the intake cavity 1 is communicated with the exhaust gas, and the intake cavity The air outlet of 1 communicates with the exhaust gas inlet 21 , and the check valve 7 , the fan 8 , the flame arrester 9 and the air valve 10 are installed in the air inlet cavity 1 . During operation, the exhaust gas passes through the check valve 7 , the fan 8 , the flame arrester 9 and the air supply valve 10 in sequence and then enters the intake manifold flow channel group 11 .

In this embodiment, the mounting racks in the mounting rack group 4 are arranged in a staggered interval, the mounting racks are column-shaped, and the edges of the mounting racks are located in the heat exchange flow channel group 52, so that the heat exchange flow channel group 52 is "S". "type. During operation, the heat exchange flow channel group 52 is in an "S" shape, which prolongs the length of the heat exchange flow channel group 52 and increases the heat exchange time of the exhaust gas, so that the exhaust gas temperature is uniform and the combustion is sufficient. Various gases in the exhaust gas collide with the mounting frame and cross and intersperse, so that the various gases in the exhaust gas are mixed evenly and the combustion is sufficient.

In this embodiment, each layer of the intake manifold flow channel group 11 is in an "L" shape, the intake port of the longitudinal flow passage of the intake manifold flow channel 11 is communicated with the exhaust gas intake port 21, and the intake manifold flow channel The air outlet of the transverse flow channel 11 is communicated with the corresponding heat exchange flow channel group 52, and the "L"-shaped intake manifold 11 uniformly introduces the exhaust gas into the heat exchange flow channel group 52 of each layer.

In this embodiment, the air outlet of the heat exchange tube group 5 is connected to the exhaust gas outlet 22 after passing through the intake and confluence flow channel group 11. The adjacent upper and lower layers are staggered, and the heat exchange tubes of the heat exchange tube group 5 are ceramic tubes.

The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those of ordinary skill in the art, various changes, modifications, substitutions and deformations to these embodiments without departing from the principle and spirit of the present invention still fall within the protection scope of the present invention.

Claims (10)

1. a waste gas incineration device is characterized in that comprising: an incineration chamber (2); an exhaust gas inlet (21), an installation area, a combustion area (23) and an exhaust gas outlet (22) are provided in the incineration chamber (2), and the installation area is located at the exhaust gas inlet between (21) and the combustion area (23); A heat exchange tube group (5) and an installation frame group (4); the installation frame group (4) is installed in the installation area, and the heat exchange tube group (5) is inserted on the installation frame group (4) and located in the installation area , the air inlet of the heat exchange tube group (5) is communicated with the combustion area (23), and there is a gap between each heat exchange tube in the heat exchange tube group (5) to form a heat exchange flow channel group (52), The air inlet of the heat exchange flow channel group (52) is communicated with the exhaust gas inlet (21), and the air outlet of the heat exchange flow channel group (52) is communicated with the combustion area (23); an air outlet confluence pipe group (3); the air outlet confluence pipe group (3) is installed in the installation area, the air outlet of the heat exchange pipe group (5) is communicated with the inner cavity of the air outlet confluence pipe group (3), and the air outlet confluence channel group The air outlet of (3) communicates with the waste air outlet (22); and A burner (6); the burner (6) is installed in the combustion zone (23) so as to ignite the gas in the combustion zone (23). 2. The waste gas incineration device according to claim 1, characterized in that it further comprises an air intake cavity (1), a check valve (7), a fan (8), a flame arrester (9) and an air supply valve (10) The air inlet of the air intake cavity (1) is communicated with the exhaust gas, the air outlet of the air intake cavity (1) is communicated with the exhaust gas air inlet (21), the check valve (7), the fan (8) ), the flame arrester (9) and the air supply valve (10) are installed in the air intake cavity (1). 3. The waste gas incineration device according to claim 1, characterized in that the mounting racks in the mounting rack group (4) are arranged at staggered intervals, the mounting racks are columnar, and the edge of the mounting racks is located in the heat exchange channel group (52). ), so that the heat exchange runner group (52) is "S" shaped. 4. The waste gas incineration device according to claim 1, characterized in that each of the gas outlet manifolds in the gas outlet manifold group (3) is arranged in a staggered manner, and the volume of the inner cavity of the gas outlet manifold is toward the exhaust gas outlet (22). direction keeps increasing. 5. The waste gas incineration device according to claim 1, characterized in that the heat exchange tubes of the heat exchange tube group (5) are arranged horizontally in upper and lower layers, and the adjacent upper and lower layers are staggered, and the heat exchange tubes are ceramic Tube. 6. A waste gas incineration device is characterized in that comprising: an incineration chamber (2); an exhaust gas inlet (21), an installation area, a combustion area (23) and an exhaust gas outlet (22) are arranged in the incineration chamber (2), which are communicated with external exhaust gas; A heat exchange tube group (5) and an installation frame group (4); the installation frame group (4) is installed in the installation area, and the heat exchange tube group (5) is inserted on the installation frame group (4) and located in the installation area Among them, the air inlet of the heat exchange tube group (5) is communicated with the combustion area (23), the air outlet of the heat exchange tube group (5) is communicated with the exhaust gas outlet (22), and each of the heat exchange tube groups (5) There is a gap between the heat exchange tubes to form a heat exchange flow channel group (52), and the air outlet of the heat exchange flow channel group (52) is communicated with the combustion area (23); The intake manifold flow channel group (11) arranged vertically above one layer; the intake manifold manifold (11) is installed in the installation area, and the intake port of the intake manifold manifold (11) and the exhaust gas inlet ( 21) communication, the air outlet of the intake manifold group (11) is communicated with the air inlet of the corresponding heat exchange flow channel group (52) so that the exhaust gas enters the heat exchange flow channel group (52); and A burner (6); the burner (6) is installed in the combustion zone (23) so as to ignite the gas in the combustion zone (23). 7. The exhaust gas incineration device according to claim 6, characterized in that it further comprises an air intake cavity (1), a check valve (7), a fan (8), a flame arrester (9) and an air supply valve (10) The air inlet of the air intake cavity (1) is communicated with the exhaust gas, the air outlet of the air intake cavity (1) is communicated with the exhaust gas air inlet (21), the check valve (7), the fan (8) ), the flame arrester (9) and the air supply valve (10) are installed in the air intake cavity (1). 8. The exhaust gas incineration device according to claim 6, characterized in that the mounting racks in the mounting rack group (4) are arranged at staggered intervals, the mounting racks are columnar, and the edge of the mounting rack is located in the heat exchange channel group (52). ), so that the heat exchange runner group (52) is "S" shaped. 9. The exhaust gas incineration device according to claim 6, characterized in that the intake manifold flow channel group (11) in each layer is in an "L" shape, and the intake of the longitudinal flow passages of the intake manifold flow channel (11) The outlet is communicated with the exhaust gas inlet (21), and the air outlet of the transverse flow channel of the intake confluence flow channel (11) is communicated with the corresponding heat exchange flow channel group (52), so that the exhaust gas enters the heat exchange flow channel group (52). ). 10. The exhaust gas incineration device according to claim 6, characterized in that the air outlet of the heat exchange tube group (5) is communicated with the exhaust gas outlet (22) after passing through the air inlet and confluence flow channel group (11), and the exchange The heat exchange tubes of the heat pipe group (5) are arranged horizontally in upper and lower layers, and the two adjacent upper and lower layers are staggered, and the heat exchange pipes of the heat exchange pipe group (5) are ceramic tubes.

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