Tail gas incineration treatment device

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to a tail gas incineration treatment device. Comprising a furnace body, the upper end of the furnace body is fixedly communicated with an exhaust pipe, a gas exhaust assembly is arranged in the furnace body and communicated with a gas pipe, a plurality of igniters are fixed in the gas exhaust assembly, a mixing assembly is fixed in the portion, below the gas exhaust assembly, of the furnace body, and a slag discharging opening is formed in one side of the lower end of the furnace body; a sealing plate is detachably and fixedly connected to the furnace body in a sealed mode, a guide plate is fixed in the furnace body, the end, facing the slag discharging opening, of the guide plate inclines downwards, the end, facing the slag discharging opening, of the guide plate is in smooth transition connection with the lower end of the slag discharging opening, a vibrator is fixed to the lower end of the guide plate, and a window is formed in the side wall, below the guide plate, of the furnace body. The conical piece is used for preliminarily dispersing and guiding tail gas and air, turbulent flow is reduced, and a stable flow field is formed; the spiral blades force the gas to rotate upwards, and the mixing uniformity of the gas flow is remarkably improved by combining the cutting effect of the disturbance rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tail gas treatment technical field, concretely relates to a tail gas incineration treatment device. BACKGROUND

[0002] Tail gas refers to the gas discharged by combustion equipment, wherein a large amount of tail gas is discharged by equipment that uses combustible material to provide heat, such as boilers and some power stations, and the tail gas generally contains incomplete combustion fuel (coal, etc.), carbon monoxide and sulfur monoxide, etc., and the combustion of boilers and the like is generally directly discharged into the air, thereby causing the surrounding environmental quality to decrease.

[0003] The patent file with the publication number CN217109594U discloses a tail gas incinerator for recycling tail gas in formaldehyde production, which comprises a device body and a cleaning mechanism. The device body comprises an incinerator body and an exhaust pipe. A combustion pipe is fixedly installed on the inner side of the incinerator body. A gas delivery pipe is fixedly installed on one side of the incinerator body. An air flow pipe is fixedly installed on one side of the incinerator body. A control panel is fixedly installed on the outer side of the incinerator body. The cleaning mechanism comprises a motor. The motor is installed on one side of the incinerator body. A reciprocating screw rod is fixedly installed on one end of the motor. The reciprocating screw rod extends to the inside of the incinerator body. The end of the reciprocating screw rod away from the motor is movably connected to the inner wall of the incinerator body through a bearing. A moving plate is movably installed on the outer side of the reciprocating screw rod through threads. A push plate is fixedly installed on the bottom end of the moving plate. A discharge chute is formed on one side of the incinerator body. A hatch is movably installed on one side of the incinerator body. Since the cleaning mechanism is arranged at the lower end of the incinerator body, the temperature of the incinerator body is high during operation. The cleaning mechanism is prone to deformation and damage due to high temperature, thereby reducing the service life of the cleaning mechanism. SUMMARY

[0004] The main purpose of the utility model is to provide a tail gas incineration treatment device that can conveniently discharge slag generated in the furnace body and improve the tail gas treatment effect.

[0005] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is as follows:

[0006] The utility model provides a tail gas incineration treatment device, including the furnace body, the upper end of furnace body is fixedly connected with the exhaust pipe, be provided with gas exhaust subassembly in the furnace body, gas exhaust subassembly with gas pipe intercommunication, fixedly have a plurality of igniters in gas exhaust subassembly, fixedly have mixing subassembly in the furnace body below gas exhaust subassembly, air and tail gas pass through mixing subassembly and go up after mixing, the lower end of furnace body one side is provided with the slagging opening, the furnace body is detachably fixedly sealed connection with the closing plate, the closing plate is sealed and is blocked to the slagging opening, fixedly have the guide plate in the furnace body, the one end of guide plate towards the slagging opening is inclined downward, the one end of guide plate towards the slagging opening is smoothly transitionally connected with the lower end of slagging opening, fixedly have vibrator in the lower end of guide plate, open the window on the side wall of furnace body below guide plate.

[0007] Specific, the gas exhaust subassembly includes the ring pipe fixed in the furnace body, the ring pipe is communicated with the gas pipe, the ring pipe inside is evenly provided with a plurality of outlet holes, a plurality of igniters are evenly fixed in the ring pipe inside.

[0008] Specific, the mixing subassembly includes the outer distribution box, the outer distribution box is communicated with the air pipe, the upper end of outer distribution box is evenly provided with a plurality of spray holes, the inside lower end of outer distribution box is fixed with the inner distribution box, the inner distribution box is centrally located in the outer distribution box, the inner distribution box is communicated with the tail gas pipe, the upper end of inner distribution box is evenly fixed with a plurality of nozzles, and the nozzles are communicated with the inner distribution box.

[0009] Specific, the spray hole and the nozzle are arranged in dislocation.

[0010] Specific, the spray hole is fixedly provided with a spiral blade, the core shaft of the spiral blade penetrates the spray hole, the lower end of the core shaft of the spiral blade is fixedly provided with a cone, the tip of the cone faces downward, and the upper end of the core shaft of the spiral blade is fixedly provided with a plurality of disturbance rods.

[0011] Specific, the filter screen is fixed in the furnace body above the gas exhaust subassembly.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1, the cone in the mixing subassembly is designed to preliminarily disperse and guide the tail gas and air through the downward tip, reduce the turbulence, form a stable flow field; the spiral blade forcibly rotates the gas upward, combined with the cutting action of the disturbance rod, significantly improves the mixing uniformity of the airflow, ensures that the air and the tail gas are in full contact, and improves the combustion efficiency.

[0014] 2, the spray hole of the outer distribution box and the nozzle of the inner distribution box are arranged in dislocation, forming a multi-stage cross-mixing path, avoiding the direct collision of the airflow, further strengthening the mixing effect, and improving the oxidation rate of harmful components in the tail gas.

[0015] 3. The inclined guide plate is smoothly connected with the slag discharge port, under the drive of the vibrator, the slag generated by incineration can be quickly slid along the slope out of the slag discharge port, avoiding accumulation and blockage; the window design reduces the temperature below the guide plate through natural ventilation, protects the vibrator from high temperature, and prolongs the service life.

[0016] 4. The annular pipe uniformly distributed outlet and the igniter realize the annular uniform distribution of the gas in the furnace body, ensure the stability of the temperature field of the combustion zone, avoid the problem of insufficient combustion caused by local high temperature or low temperature, and improve the completeness of the tail gas treatment.

[0017] 5. The rotating upward path of the gas in the mixing assembly prolongs the residence time in the high temperature zone, promotes the sufficient combustion of organic matter in the tail gas, and reduces the auxiliary fuel consumption.

[0018] 6. The window design not only protects the vibrator, but also can adjust the local temperature in the furnace by adjusting the window area, and adapts to different heat load conditions; the filter screen can replace the filter material according to different tail gas components, and enhances the adaptability of the device to different industrial scenes. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a sectional view of the furnace body.

[0020] Figure 2 It is Figure 1 An enlarged view of area A.

[0021] Figure 3 It is a top view of the mixing assembly.

[0022] The names of the parts in the drawings are: 1, furnace body, 2, exhaust pipe, 3, filter screen, 4, gas pipe, 5, annular pipe, 6, outlet, 7, igniter, 8, air pipe, 9, tail gas pipe, 10, outer distribution box, 11, inner distribution box, 12, nozzle, 13, spray hole, 14, spiral blade, 15, disturbance rod, 16, cone, 17, slag discharge port, 18, sealing plate, 19, guide plate, 20, vibrator, 21, window. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0024] Embodiment one: refer to Figure 1 The tail gas incineration treatment device shown in the drawing, including furnace body 1, the upper end of furnace body 1 is fixedly connected with exhaust pipe 2, furnace body 1 is provided with gas discharge assembly, gas discharge assembly is communicated with gas pipe 4, a plurality of igniters 7 are fixedly arranged in gas discharge assembly.

[0025] The gas exhaust assembly comprises a ring pipe 5 fixed in the furnace body 1, the ring pipe 5 is communicated with the gas pipe 4, a plurality of outlet holes 6 are uniformly arranged on the inner side of the ring pipe 5, and a plurality of igniters 7 are uniformly fixed on the inner side of the ring pipe 5.

[0026] A filter screen 3 is fixed in the furnace body 1 above the gas exhaust assembly.

[0027] A mixing assembly is fixed in the furnace body 1 below the gas exhaust assembly, and the air and the tail gas are mixed by the mixing assembly and then discharged upwards.

[0028] A slag discharge port 17 is arranged on one side of the lower end of the furnace body 1, a sealing plate 18 is detachably fixed and sealingly connected to the furnace body 1, the sealing plate 18 seals and blocks the slag discharge port 17, a guide plate 19 is fixed in the furnace body 1, the end of the guide plate 19 facing the slag discharge port 17 is inclined downward, and the end of the guide plate 19 facing the slag discharge port 17 is smoothly and transitionally connected with the lower end of the slag discharge port 17.

[0029] A vibrator 20 is fixed to the lower end of the guide plate 19.

[0030] A window 21 is arranged on the side wall of the furnace body 1 below the guide plate 19.

[0031] The gas is discharged through the outlet holes 6 after entering the ring pipe 5 from the gas pipe 4, the tail gas and the air are mixed in the mixing assembly to form mixed gas which is mixed with the gas, and the igniters 7 make the gas burn to incinerate the tail gas.

[0032] The slag produced in the process of incinerating the tail gas falls on the guide plate 19, and the filter screen 3 can filter the flue gas produced by incinerating the tail gas.

[0033] When it is necessary to clean the slag, the sealing plate 18 is opened, and the vibrator 20 is started, under the guidance of the guide plate 19, the slag can be discharged through the slag discharge port 17. The window 21 is arranged on the side wall of the furnace body 1 below the guide plate 19, so that the temperature in the furnace body 1 below the guide plate 19 can be reduced when the tail gas is incinerated, and the vibrator 20 can be prevented from being damaged due to the high temperature.

[0034] Embodiment two: based on embodiment one, referring to Figures 1-3 The mixing assembly comprises an outer distribution box 10, the outer distribution box 10 is communicated with the air pipe 8, a plurality of spray holes 13 are uniformly arranged on the upper end of the outer distribution box 10, an inner distribution box 11 is fixed to the inner bottom of the outer distribution box 10, the inner distribution box 11 is centrally located in the outer distribution box 10, the inner distribution box 11 is communicated with the tail gas pipe 9, a plurality of nozzles 12 are uniformly fixed on the upper end of the inner distribution box 11, and the nozzles 12 are communicated with the inner distribution box 11.

[0035] The spray holes 13 and the nozzles 12 are arranged in a staggered manner.

[0036] The spiral vane 14 is fixed in the spray hole 13, the core shaft of the spiral vane 14 penetrates the spray hole 13, the lower end of the core shaft of the spiral vane 14 is fixed concentrically with the taper piece 16, the tip of the taper piece 16 faces downward, and the upper end of the core shaft of the spiral vane 14 is fixed with a plurality of disturbance rods 15 uniformly distributed in the circumference.

[0037] The tail gas enters the inner distribution box 11 through the tail gas pipe 9 and is discharged through the nozzle 12, and the air enters the outer distribution box 10 and is mixed with the tail gas sprayed from the nozzle 12.

[0038] In the process of ascending in the outer distribution box 10, under the guiding action of the taper piece 16, the tail gas and the air are dispersed and then enter the spray hole 13. Through the guiding and dispersing of the taper piece 16, it is ensured that the tail gas and the air maintain stable and uniform flow during mixing, and such stable flow helps to reduce the turbulent flow phenomenon of the air and the tail gas, so that the mixing process is more efficient. The taper piece 16 not only guides the gas, but also disperses the gas flow through its structure, so that the air and the exhaust gas are more fully mixed.

[0039] When the tail gas and the air flow through the spray hole 13, they rotate upward under the guiding action of the spiral vane 14, the upward rotating tail gas and air are cut by the disturbance rod 15, which further enhances the mixing uniformity of the air and the tail gas and improves the mixing degree of the air and the tail gas.

[0040] By improving the mixing degree of the air and the tail gas, the effect of the tail gas incineration treatment can be improved.

[0041] The above only describes the preferred embodiments of the present application and does not limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tail gas incineration treatment device, comprising a furnace body (1), an exhaust pipe (2) fixedly connected to the upper end of the furnace body (1), a gas exhaust assembly disposed inside the furnace body (1), the gas exhaust assembly being connected to a gas pipe (4), and a plurality of igniters (7) fixed inside the gas exhaust assembly, characterized in that, A mixing component is fixed inside the furnace body (1) below the gas exhaust component. Air and exhaust gas are mixed by the mixing component and discharged upward. A slag discharge port (17) is opened on one side of the lower end of the furnace body (1). A sealing plate (18) is detachably fixed and sealed on the furnace body (1). The sealing plate (18) seals and blocks the slag discharge port (17). A guide plate (19) is fixed inside the furnace body (1). The end of the guide plate (19) facing the slag discharge port (17) is inclined downward. The end of the guide plate (19) facing the slag discharge port (17) is smoothly connected to the lower end of the slag discharge port (17). A vibrator (20) is fixed at the lower end of the guide plate (19). A window (21) is opened on the side wall of the furnace body (1) below the guide plate (19).

2. The exhaust gas incineration treatment device according to claim 1, characterized in that, The gas exhaust assembly includes a ring pipe (5) fixed inside the furnace body (1), the ring pipe (5) is connected to the gas pipe (4), and multiple outlet holes (6) are evenly distributed on the inner side of the ring pipe (5), and multiple igniters (7) are evenly distributed and fixed on the inner side of the ring pipe (5).

3. The exhaust gas incineration treatment device according to claim 1, characterized in that, The mixing assembly includes an outer distribution box (10), which is connected to an air pipe (8). Multiple nozzles (13) are evenly distributed on the upper end of the outer distribution box (10). An inner distribution box (11) is fixed at the lower end of the outer distribution box (10). The inner distribution box (11) is centrally located inside the outer distribution box (10) and is connected to an exhaust pipe (9). Multiple nozzles (12) are evenly distributed on the upper end of the inner distribution box (11) and are connected to the inner distribution box (11).

4. The exhaust gas incineration treatment device according to claim 3, characterized in that, The spray hole (13) and the nozzle (12) are misaligned.

5. The exhaust gas incineration treatment device according to claim 3, characterized in that, A helical blade (14) is fixed inside the nozzle (13). The spindle of the helical blade (14) passes through the nozzle (13). A cone (16) is concentrically fixed at the lower end of the spindle of the helical blade (14). The tip of the cone (16) faces downward. Multiple disturbance rods (15) are evenly distributed around the upper end of the spindle of the helical blade (14).

6. The exhaust gas incineration treatment device according to claim 1, characterized in that, A filter screen (3) is fixed inside the furnace body (1) above the gas exhaust assembly.

Images