Waste gas incinerator capable of achieving sufficient combustion

Abstract

The utility model relates to the technical field of waste gas incinerators, and discloses a full-combustion waste gas incinerator which comprises an incinerator body, a preheating guide plate is fixedly connected to the interior of the incinerator body, a plurality of flame spray guns are fixedly connected to the inner wall, located on the left side of the preheating guide plate, of the incinerator body, and a backflow cover is fixedly connected to the inner wall of the left side of the incinerator body. A heating pipe is fixedly connected into the preheating flow guide plate, the preheating flow guide plate is arranged to be a curved plate, an oxygen conveying pipe is fixedly connected to the inner wall of the left side of the furnace body, and a spiral air conveying pipe is fixedly connected to the pipe wall of the oxygen conveying pipe. The heating pipe provided by the utility model can be used for heating the preheating guide plate and preheating waste gas, so that the temperature of the waste gas is increased, and the oxygenolysis efficiency is improved when the waste gas is contacted with the flame spray gun for combustion.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas incinerators, in particular to a fully-combustion waste gas incinerator. Background Art

[0002] The waste gas combustion furnace is a kind of equipment specially used for treating waste gas. It converts harmful substances in the waste gas into harmless substances or reduces their pollution to the environment by burning them. The working principle of the waste gas combustion furnace is to introduce the waste gas into the combustion furnace and burn it together with the fuel. The harmful substances in the waste gas are oxidized and decomposed under high temperature conditions and converted into carbon dioxide, water vapor and other harmless substances, thereby achieving the purpose of purifying the waste gas.

[0003] In the prior art, during the use of the waste gas incinerator, the waste gas is directly heated without preheating, and the slow temperature rise will affect the combustion effect. If there is not enough oxygen concentration inside the furnace body, it will affect the oxidation and decomposition effect of the waste gas, and may produce harmful carbon monoxide gas. Therefore, the present application designs a fully burned waste gas incinerator. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that the waste gas is directly heated without preheating, the slow temperature rise will affect the combustion effect, and if there is not enough oxygen concentration inside the furnace body, it will affect the oxidation decomposition effect of the waste gas and may produce harmful carbon monoxide gas, and thus a fully burned waste gas incinerator is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fully-combusted waste gas incinerator comprises a furnace body, wherein a preheating guide plate is fixedly connected inside the furnace body, a plurality of flame spray guns are fixedly connected to the inner wall of the furnace body located on the left side of the preheating guide plate, a return hood is fixedly connected to the left inner wall of the furnace body, a heating pipe is fixedly connected inside the preheating guide plate, the preheating guide plate is arranged as a curved plate, an oxygen supply pipe is fixedly connected to the left inner wall of the furnace body, a spiral gas supply pipe is fixedly connected to the pipe wall of the oxygen supply pipe, an opening is provided inside the return hood, a fixing rod is fixedly connected inside the opening, a nozzle is rotatably connected to the rod wall of the fixing rod, and an end of the spiral gas supply pipe facing away from the oxygen supply pipe is fixedly connected to the nozzle.

[0007] Preferably, the preheating guide plate is located on the tube wall of the heating tube and is fixedly connected to a plurality of heat dissipation fins, a heat-conducting ceramic cover is sleeved on the surface of the preheating guide plate, and the heat dissipation fin is pressed against the inner wall of the heat-conducting ceramic cover at one end away from the heating tube.

[0008] Preferably, a connecting ring is fixedly connected to the inner wall of the return cover, and a filter screen is fixedly connected to the inner wall of the connecting ring.

[0009] Preferably, a sealing gasket is fixedly connected to the inner wall of the opening of the return hood, and the sealing gasket is pressed against the side wall of the nozzle.

[0010] Preferably, a cylinder is fixedly connected to the top of the furnace body, the piston rod end of the cylinder extends to the interior of the furnace body and is fixedly connected to a push rod, a transmission plate is fixedly connected to the side wall of the nozzle, a strip opening is opened on the inner wall of the transmission plate, a lever is slidably provided on the inner wall of the strip opening, and the lever is fixedly connected to the rod wall of the push rod.

[0011] Preferably, the cross section of the shifting rod is set to be circular, and the inner walls of the transmission plate located at both ends of the strip-shaped opening are set to be arc-shaped concave surfaces.

[0012] Compared with the prior art, the utility model provides a fully burned waste gas incinerator, which has the following beneficial effects:

[0013] 1. The fully burned waste gas incinerator can heat the preheating guide plate through the heating pipe, and can preheat the waste gas to increase the temperature of the waste gas, so as to improve the oxidation decomposition efficiency when the waste gas contacts and burns with the flame spray gun.

[0014] 2. The fully burned waste gas incinerator discharges oxygen into the nozzle through the oxygen supply pipe through the spiral gas supply pipe, so that the nozzle can fill the interior of the furnace with oxygen, increase the oxygen content, and ensure the quality of oxidation decomposition.

[0015] 3. The fully burned waste gas incinerator can push the push rod to move through the piston rod of the cylinder, and can move the transmission plate through the lever. The nozzle can be adjusted to rotate along the rod wall of the fixed rod to ensure the swing of the nozzle, which can disperse the oxygen into the interior of the furnace body and improve the uniformity of oxygen distribution. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a fully-combusted waste gas incinerator proposed by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0018] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0019] In the figure: 1 furnace body, 2 preheating guide plate, 3 flame spray gun, 4 reflux cover, 5 heating tube, 6 heat dissipation fin, 7 thermal conductive ceramic cover, 8 connecting ring, 9 filter, 10 oxygen supply pipe, 11 spiral gas supply pipe, 12 nozzle, 13 fixing rod, 14 sealing pad, 15 cylinder, 16 push rod, 17 transmission plate, 18 lever. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A fully burned waste gas incinerator comprises a furnace body 1, a preheating guide plate 2 is fixedly connected inside the furnace body 1, a plurality of flame spray guns 3 are fixedly connected to the inner wall of the furnace body 1 located on the left side of the preheating guide plate 2, a return hood 4 is fixedly connected to the left inner wall of the furnace body 1, a heating pipe 5 is fixedly connected inside the preheating guide plate 2, the preheating guide plate 2 is arranged as a curved plate, an oxygen supply pipe 10 is fixedly connected to the left inner wall of the furnace body 1, a spiral gas supply pipe 11 is fixedly connected to the pipe wall of the oxygen supply pipe 10, an opening is provided inside the return hood 4, a fixed rod 13 is fixedly connected inside the opening, a nozzle 12 is rotatably connected to the rod wall of the fixed rod 13, and an end of the spiral gas supply pipe 11 away from the oxygen supply pipe 10 is fixedly connected to the nozzle 12.

[0022] The preheating guide plate 2 is located on the tube wall of the heating tube 5 and is fixedly connected to a plurality of heat dissipation fins 6. A heat-conducting ceramic cover 7 is sleeved on the surface of the preheating guide plate 2. The end of the heat dissipation fin 6 facing away from the heating tube 5 is pressed against the inner wall of the heat-conducting ceramic cover 7. The inner wall of the reflux cover 4 is fixedly connected to a connecting ring 8. The inner wall of the connecting ring 8 is fixedly connected to a filter screen 9. The inner wall of the reflux cover 4 located at the opening is fixedly connected to a sealing gasket 14. The sealing gasket 14 is pressed against the side wall of the nozzle 12.

[0023] When in use, the exhaust gas is discharged into the interior of the furnace body 1 through the air inlet pipe, the heating tube 5 can heat the preheating guide plate 2, and the heat is conducted to the surface of the heat-conducting ceramic cover 7 through the heat dissipation fins 6, so that the exhaust gas can be preheated to increase the temperature of the exhaust gas, so that the oxidation decomposition efficiency can be improved when the subsequent exhaust gas contacts and burns with the flame spray gun 3. At the same time, the oxygen supply pipe 10 discharges oxygen into the nozzle 12 through the spiral air supply pipe 11, so that the nozzle 12 can fill the interior of the furnace body 1 with oxygen, increase the oxygen content, and ensure the quality of oxidation decomposition. The gas after the combustion reaction is sent to the left side of the reflux cover 4 through the filter screen 9 and is discharged to the outside of the furnace body 1 through the exhaust pipe. The sealing gasket 14 can ensure the tightness of the connection between the nozzle 12 and the reflux cover 4.

[0024] In order to enable the nozzle 12 to swing flexibly, Figure 1-3As shown, a cylinder 15 is fixedly connected to the top of the furnace body 1, the piston rod end of the cylinder 15 extends to the inside of the furnace body 1 and is fixedly connected to a push rod 16, a transmission plate 17 is fixedly connected to the side wall of the nozzle 12, a strip opening is opened on the inner wall of the transmission plate 17, a lever 18 is slidably provided on the inner wall of the strip opening, the lever 18 is fixedly connected to the rod wall of the push rod 16, the cross-section of the lever 18 is set to be circular, and the inner walls of the transmission plate 17 at both ends of the strip opening are set to be arc-shaped concave surfaces.

[0025] The piston rod of the cylinder 15 can push the push rod 16 to move, and the transmission plate 17 can be moved by the lever 18, so that the nozzle 12 can be adjusted to rotate along the rod wall of the fixed rod 13 to ensure the swing of the nozzle 12, which can disperse the oxygen inside the furnace body 1 and improve the uniformity of oxygen distribution.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fully-combusted waste gas incinerator, comprising a furnace body (1), characterized in that: A preheating guide plate (2) is fixedly connected to the interior of the furnace body (1); a plurality of flame spray guns (3) are fixedly connected to the inner wall of the furnace body (1) located on the left side of the preheating guide plate (2); a return hood (4) is fixedly connected to the left inner wall of the furnace body (1); a heating pipe (5) is fixedly connected to the interior of the preheating guide plate (2); the preheating guide plate (2) is configured as a curved plate; an oxygen supply pipe (10) is fixedly connected to the left inner wall of the furnace body (1); a spiral gas supply pipe (11) is fixedly connected to the pipe wall of the oxygen supply pipe (10); an opening is provided inside the return hood (4); a fixed rod (13) is fixedly connected to the interior of the opening; a nozzle (12) is rotatably connected to the rod wall of the fixed rod (13); and an end of the spiral gas supply pipe (11) facing away from the oxygen supply pipe (10) is fixedly connected to the nozzle (12).

2. A fully-combusted waste gas incinerator according to claim 1, characterized in that: The preheating guide plate (2) is located on the tube wall of the heating tube (5) and is fixedly connected to a plurality of heat dissipation fins (6); a heat-conducting ceramic cover (7) is sleeved on the surface of the preheating guide plate (2); and one end of the heat dissipation fin (6) facing away from the heating tube (5) is pressed against the inner wall of the heat-conducting ceramic cover (7).

3. A fully-combusted waste gas incinerator according to claim 1, characterized in that: A connecting ring (8) is fixedly connected to the inner wall of the return hood (4), and a filter screen (9) is fixedly connected to the inner wall of the connecting ring (8).

4. A fully-combusted waste gas incinerator according to claim 1, characterized in that: A sealing gasket (14) is fixedly connected to the inner wall of the opening of the return hood (4), and the sealing gasket (14) is tightly arranged on the side wall of the nozzle (12).

5. A fully-combusted waste gas incinerator according to claim 1, characterized in that: The top of the furnace body (1) is fixedly connected to a cylinder (15), the piston rod end of the cylinder (15) extends into the interior of the furnace body (1) and is fixedly connected to a push rod (16), a transmission plate (17) is fixedly connected to the side wall of the nozzle (12), a strip-shaped opening is provided on the inner wall of the transmission plate (17), a lever (18) is slidably provided on the inner wall of the strip-shaped opening, and the lever (18) is fixedly connected to the rod wall of the push rod (16).

6. A fully-combusted waste gas incinerator according to claim 5, characterized in that: The cross section of the lever (18) is set to be circular, and the inner walls of the transmission plate (17) at both ends of the strip-shaped opening are set to be arc-shaped concave surfaces.

Images