Comprehensive utilization device for sodium formate tail gas

Abstract

The utility model relates to the technical field of tail gas utilization devices, in particular to a sodium formate tail gas comprehensive utilization device which comprises a cracking furnace, a combustor is fixedly connected to the side wall of the cracking furnace, an air chamber is arranged in the combustor, the side wall, facing the cracking furnace, of the combustor is an inner side wall, and a fuel gas nozzle and a plurality of tail gas nozzles are installed on the inner side wall. The tail gas nozzles are located on the periphery of the fuel gas nozzle to form a ring shape. The tail gas nozzle is connected with a tail gas inlet pipe; the fuel gas nozzle is connected with a fuel gas inlet pipe; a plurality of air outlet grooves penetrating through the inner side wall are further formed in the inner side wall; through the arrangement of the combustor and the cracking furnace, sodium formate tail gas can be introduced into the cracking furnace to be combusted to provide heat, the sodium formate tail gas serves as main fuel, and fuel gas serves as supplement of the sodium formate tail gas.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas utilization devices, in particular to a sodium formate tail gas comprehensive utilization device. Background Art

[0002] At present, many tail gases in industrial production are not utilized and are directly discharged, which not only wastes resources but also pollutes the environment. In the traditional technology of sodium formate industry, the main components of sodium formate synthesis tail gas are hydrogen, CO and methane. If it is discharged or sent to flare for incineration without any treatment, there will be environmental impact and safety hazards, and more resources and energy will be lost, resulting in waste of resources. Utility Model Content

[0003] The main purpose of the utility model is to provide a sodium formate tail gas comprehensive utilization device to solve the problem of sodium formate tail gas resource waste in the above-mentioned prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a sodium formate tail gas comprehensive utilization device, including a cracking furnace, a burner is fixedly connected to the side wall of the cracking furnace, an air chamber is arranged inside the burner, the side wall of the burner facing the cracking furnace is the inner wall, a fuel gas nozzle and a plurality of tail gas nozzles are installed on the inner wall; the plurality of tail gas nozzles are located on the periphery of the fuel gas nozzle to form a ring shape; the tail gas nozzle is connected to the tail gas inlet pipe, and the fuel gas nozzle is connected to the fuel gas inlet pipe; a plurality of air outlet grooves penetrating the inner wall are also arranged on the inner wall.

[0005] Furthermore, the air outlet groove is arc-shaped, and the air outlet groove is located between the fuel gas nozzle and the exhaust gas nozzle, and multiple air outlet grooves are distributed in a circular array; the air outlet grooves distributed in a circular array can evenly provide the fuel gas and the exhaust gas with the oxygen required for combustion.

[0006] Furthermore, a gas online analyzer is installed on the exhaust gas intake pipe.

[0007] Furthermore, regulating valves are installed on the fuel gas intake pipe and the exhaust gas intake pipe.

[0008] Furthermore, both the fuel gas intake pipe and the exhaust gas intake pipe are equipped with stop valves.

[0009] Furthermore, an air inlet pipe communicating with the air chamber is provided at the bottom of the burner.

[0010] The utility model can introduce sodium formate tail gas into the cracking furnace for combustion to provide heat by providing a burner and a cracking furnace, wherein the sodium formate tail gas serves as a main fuel and the fuel gas serves as a supplement to the sodium formate tail gas; and by providing a regulating valve and an online tail gas analyzer, the tail gas content can be analyzed, thereby adjusting the ratio of the sodium formate tail gas and the fuel gas, and ensuring stable combustion in the cracking furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0012] Figure 1 It is a structural schematic diagram of an embodiment;

[0013] Figure 2 This is a schematic diagram of the structure of the inner wall in the embodiment;

[0014] Figure 3 Schematic diagram of the cutaway structure of the burner in the embodiment.

[0015] In the figure: 1, cracking furnace; 2, burner; 201, inner wall; 3, fuel gas nozzle; 4, tail gas nozzle; 5, air outlet groove; 6, tail gas inlet pipe; 7, fuel gas inlet pipe; 8, gas online analyzer; 9, regulating valve; 10, stop valve; 11, air inlet pipe. DETAILED DESCRIPTION

[0016] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0017] like Figures 1 to 3 As shown, according to an embodiment of the utility model, a sodium formate tail gas comprehensive utilization device is provided, including a cracking furnace 1, a burner 2 is fixedly connected to the side wall of the cracking furnace 1, an air chamber is arranged inside the burner 2, the side wall of the burner 2 facing the cracking furnace 1 is the inner wall 201, a fuel gas nozzle 3 and a plurality of tail gas nozzles 4 are installed on the inner wall 201; the plurality of tail gas nozzles 4 are located on the periphery of the fuel gas nozzle 3 to form a ring shape; the tail gas inlet pipe 6 passes through the air chamber to connect to the tail gas nozzle 4, and the fuel gas inlet pipe 7 passes through the air chamber to connect to the fuel gas nozzle 3; the inner wall 201 is also provided with a plurality of air outlet grooves 5 that penetrate the inner wall 201.

[0018] The air outlet groove 5 is arc-shaped and is located between the fuel gas nozzle 3 and the exhaust gas nozzle 4. The multiple air outlet grooves 5 are distributed in a circular array. The air outlet grooves 5 distributed in a circular array can evenly provide the fuel gas and the exhaust gas with the oxygen required for combustion.

[0019] A gas online analyzer 8 is installed on the tail gas inlet pipe 6, and a regulating valve 9 is installed on both the fuel gas inlet pipe 7 and the tail gas inlet pipe 6; by setting the regulating valve 9 and the tail gas online analyzer 8, the tail gas content can be analyzed, thereby adjusting the ratio of sodium formate tail gas and fuel gas to ensure stable combustion in the cracking furnace 1.

[0020] Both the fuel gas intake pipe 7 and the tail gas intake pipe 6 are equipped with stop valves 10 .

[0021] An air inlet pipe 11 communicating with the air chamber is provided at the bottom of the burner 2.

[0022] The working principle of the above embodiment is: sodium formate tail gas is recycled into the cracking furnace 1 and burned to provide heat for the cracking furnace 1; the composition of the sodium formate tail gas is unstable, and the composition of the sodium formate tail gas is analyzed using a tail gas online analyzer 8, and then fuel gas is used as supplementary gas to maintain the stability of the combustion of the cracking furnace 1.

[0023] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sodium formate tail gas comprehensive utilization device, comprising a cracking furnace (1), a burner (2) being fixedly connected to the side wall of the cracking furnace (1), characterized in that: An air chamber is provided inside the burner (2); the side wall of the burner (2) facing the cracking furnace (1) is an inner wall (201); a fuel gas nozzle (3) and a plurality of tail gas nozzles (4) are mounted on the inner wall (201); the plurality of tail gas nozzles (4) are located outside the fuel gas nozzle (3) to form a ring; the tail gas nozzle (4) is connected to a tail gas inlet pipe (6), and the fuel gas nozzle (3) is connected to a fuel gas inlet pipe (7); and a plurality of air outlet grooves (5) penetrating the inner wall (201) are also provided on the inner wall (201).

2. The sodium formate tail gas comprehensive utilization device as claimed in claim 1, characterized in that: The air outlet slot (5) is arc-shaped, and is located between the fuel gas nozzle (3) and the exhaust gas nozzle (4). The plurality of air outlet slots (5) are distributed in a ring array.

3. The sodium formate tail gas comprehensive utilization device as claimed in claim 1, characterized in that, A gas online analyzer (8) is installed on the exhaust gas intake pipe (6).

4. The sodium formate tail gas comprehensive utilization device as claimed in claim 1, characterized in that: The fuel gas intake pipe (7) and the tail gas intake pipe (6) are both installed with regulating valves (9).

5. The sodium formate tail gas comprehensive utilization device as claimed in claim 1, characterized in that: Both the fuel gas intake pipe (7) and the tail gas intake pipe (6) are equipped with stop valves (10).

6. The sodium formate tail gas comprehensive utilization device as claimed in claim 1, characterized in that: An air inlet pipe (11) communicating with the air chamber is provided at the bottom of the burner (2).

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