Device for efficiently pyrolyzing nitrous oxide

Abstract

The utility model relates to the technical field of tail gas treatment, in particular to a device for efficiently pyrolyzing nitrous oxide. A device for efficiently pyrolyzing nitrous oxide comprises a cylinder, a pyrolysis bin is installed in the cylinder, the interior of the cylinder is divided into a first inner cavity and a second inner cavity which are communicated through the pyrolysis bin, guide plates distributed at equal intervals are fixedly connected to the two sides of the inner wall of the pyrolysis bin, and the guide plates distributed at equal intervals on the two sides of the inner wall of the pyrolysis bin are alternately arranged to form a flowing channel; a first conveying pipe and a second conveying pipe are installed on the barrel, the first conveying pipe and the second conveying pipe are both communicated with the first inner cavity, valves are installed on the first conveying pipe and the second conveying pipe, and an air outlet pipe is installed at the top of the barrel and communicated with the second inner cavity. According to the utility model, under the choked flow action of the guide plate and the baffle plate, the stroke of gas in the pyrolysis bin is prolonged, so that the gas is fully pyrolyzed.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment technical field especially relates to a device of high -efficient pyrolysis nitrous oxide. BACKGROUND

[0002] Human activity emissions containing nitrous oxide tail gas source mainly has: the production of nitric acid and its related products, the production of adipic acid and related products, agricultural production process and the emission of automobile exhaust etc. In environmental science research, especially in the field of global climate change, nitrous oxide is usually called nitrous oxide, which is a greenhouse gas, has greenhouse effect, and will aggravate global warming. For this reason, it is urgent to solve the nitrous oxide in the tail gas, and it is urgent. At present, the device for pyrolyzing nitrous oxide is used, because the nitrous oxide gas flows too fast in the pipeline, the pyrolysis distance is too short, the pyrolysis of nitrous oxide and catalyst is not sufficient, and the purification effect is affected. UTILITY MODEL CONTENTS

[0003] The utility model provides a device of high -efficient pyrolysis nitrous oxide to solve the deficiency that exists in the prior art.

[0004] The technical implementation scheme of the utility model is: a device of high -efficient pyrolysis nitrous oxide, including the cylinder, the cylinder is installed in the pyrolysis bin, the pyrolysis bin separates the inside of the cylinder into the inner chamber one and the inner chamber two that are connected, the both sides of the inner wall of the pyrolysis bin are fixedly connected with the flow guide plate that is distributed at equal intervals, the flow guide plate that is distributed at equal intervals on the both sides of the inner wall of the pyrolysis bin is alternately arranged to form the flow channel, the cylinder is installed with the conveying pipe one and conveying pipe two, the conveying pipe one and conveying pipe two are connected with the inner chamber one, and the valve is installed on the conveying pipe one and conveying pipe two, and the cylinder top is installed with the outlet pipe, and the outlet pipe is connected with the inner chamber two.

[0005] Further, the baffle is arranged at equal intervals between the adjacent flow guide plates, each layer of baffles is horizontally distributed, and the spacing between each layer of baffles is equal.

[0006] Further, the expansion chamber is installed on the conveying pipe one and the conveying pipe two.

[0007] Further, the bottom of the pyrolysis bin is fixedly connected with the guide rail that is distributed symmetrically, and the guide rail that is distributed symmetrically is slidably connected with the closure plate for closing the lower end of the flow channel.

[0008] Further, the bottom of the flow guide plate is provided with a gas cylinder, and a connecting frame connected with the closure plate is installed on the telescopic rod of the gas cylinder.

[0009] The utility model has the advantages of: 1, the utility model is under the resistance of flow guide plate and baffle, the travel of gas in the pyrolysis bin is prolonged, and the gas is fully pyrolyzed.

[0010] 2. When the gas enters the pyrolysis chamber and passes through the baffle at a certain speed, the gas collides with the curved surface of the baffle due to inertia to form turbulence, so as to further mix the gas uniformly. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0012] Fig. 2 It is a three-dimensional structure sectional view of the utility model.

[0013] Fig. 3 It is a three-dimensional structure schematic view of the pyrolysis chamber, the flow guide plate and the baffle plate and other components of the utility model.

[0014] In the above drawings: 1: cylinder, 2: conveying pipe one, 3: conveying pipe two, 4: gas outlet pipe, 5: valve, 6: inner cavity one, 7: pyrolysis chamber, 71: flow guide plate, 72: flow channel, 73: baffle, 8: inner cavity two, 9: expansion chamber, 10: closing plate, 101: guide rail, 102: connecting frame, 103: air cylinder. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] Embodiment 1: a device for efficiently pyrolyzing dinitrogen monoxide, referring to Figs. 1-3 , comprising a cylinder 1, a pyrolysis chamber 7 is installed in the middle of the cylinder 1, the pyrolysis chamber 7 divides the inside of the cylinder 1 into an inner cavity one 6 and an inner cavity two 8 in communication, flow guide plates 71 are fixedly connected to the inner wall of the pyrolysis chamber 7 at equal intervals on both sides, the flow guide plates 71 at equal intervals on both sides of the inner wall of the pyrolysis chamber 7 are alternately arranged to form flow channels 72, conveying pipes one 2 and two 3 are installed at the lower part of the cylinder 1, the conveying pipes one 2 and two 3 are in communication with the inner cavity one 6, valves 5 are installed on the conveying pipes one 2 and two 3, a gas outlet pipe 4 is installed at the top of the cylinder 1, and the gas outlet pipe 4 is in communication with the inner cavity two 8.

[0017] Preferably, equal-interval-distributed baffles 73 are arranged between every two adjacent flow guide plates 71, each layer of baffle 73 is horizontally distributed, and the spacing between each layer of baffle 73 is equal.

[0018] Preferably, expansion chambers 9 are installed on the conveying pipes one 2 and two 3.

[0019] Preferably, two guide rails 101 are fixedly connected at the bottom of the pyrolysis chamber 7, and a closing plate 10 for closing the lower port of the flow channel 72 is slidably connected between the two guide rails 101.

[0020] Preferably, a gas cylinder 103 is installed at the bottom of the flow guide plate 71, and a connecting frame 102 connected with the closing plate 10 is installed on the telescopic rod of the gas cylinder 103.

[0021] Working principle: in use, the connecting frame 102 drives the closing plate 10 to reciprocatingly move horizontally through the driving of the gas cylinder 103, so that the closing plate 10 intermittently closes the lower port of the flow channel 72, thereby controlling the gas flow entering the pyrolysis chamber 7; the gas entering the cylinder 1 from the conveying pipe 1 and the conveying pipe 2 can rotate in opposite directions along the inner wall surface of the inner cavity 1, so that the gas forms convection and collision in the inner cavity 1, thereby accelerating the mutual mixing of the gas; when the lower port of the flow channel 72 is opened, the gas in the inner cavity 1 flows in the direction of the gas outlet pipe 4, thereby entering the pyrolysis chamber 7; when the gas passes through the baffle 73 at a certain speed, the gas collides with the curved surface of the baffle 73 due to inertia, thereby forming turbulent flow, so that the gas is further mixed and uniform; meanwhile, under the resistance of the flow guide plate 71 and the baffle 73, the travel of the gas in the pyrolysis chamber 7 is prolonged, so that the gas is fully pyrolyzed; after the gas passes through the pyrolysis chamber 7, the gas is discharged through the gas outlet pipe 4, and the expansion chamber 9 is arranged to prevent the gas from colliding.

[0022] The above only describes the embodiments of the present application, and does not limit the patent range of the present application; any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, are all included in the patent protection range of the present application.

Claims

1. A device for efficiently pyrolyzing nitrous oxide, characterized by: The invention comprises a cylinder (1), a pyrolysis chamber (7) is installed in the cylinder (1), the pyrolysis chamber (7) divides the interior of the cylinder (1) into an inner cavity 1 (6) and an inner cavity 2 (8) which are connected to each other, guide plates (71) distributed at equal intervals are fixed on both sides of the inner wall of the pyrolysis chamber (7), the guide plates (71) distributed at equal intervals on both sides of the inner wall of the pyrolysis chamber (7) are alternately arranged to form a flow channel (72), a delivery pipe 1 (2) and a delivery pipe 2 (3) are installed on the cylinder (1), the delivery pipe 1 (2) and the delivery pipe 2 (3) are both connected to the inner cavity 1 (6), valves (5) are installed on the delivery pipe 1 (2) and the delivery pipe 2 (3), an air outlet pipe (4) is installed on the top of the cylinder (1), and the air outlet pipe (4) is connected to the inner cavity 2 (8).

2. The device for efficiently pyrolyzing nitrous oxide according to claim 1, wherein: Baffles (73) distributed at equal intervals are provided between adjacent guide plates (71), each layer of baffles (73) is distributed horizontally, and the intervals between the baffles (73) in each layer are equal.

3. A device for efficiently pyrolyzing nitrous oxide according to claim 2, characterized in that: The first delivery pipe (2) and the second delivery pipe (3) are both equipped with expansion chambers (9).

4. A device for efficiently pyrolyzing nitrous oxide according to claim 3, characterized in that: The bottom of the pyrolysis chamber (7) is fixed with symmetrically distributed guide rails (101), and a closing plate (10) for closing the lower port of the flow channel (72) is slidably connected between the symmetrically distributed guide rails (101).

5. A highly efficient pyrolysis device for nitrous oxide according to claim 4, characterized in that: A cylinder (103) is installed at the bottom of the guide plate (71) at the bottom, and a connecting frame (102) connected to the closing plate (10) is installed on the telescopic rod of the cylinder (103).

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