Pipeline feeding mechanism of multi-stage atomization combustor

Abstract

The utility model discloses a pipeline feeding mechanism of a multi-stage atomizing burner, and relates to the field of carbon black production. The pipeline feeding mechanism of the multi-stage atomization combustor comprises two first feeding pipes, two second feeding pipes, a third feeding pipe and an adjusting unit. According to the pipeline feeding mechanism of the multi-stage atomization combustor, liquid fuel is conveyed into the second feeding pipe through the first feeding pipe, the corresponding second stop valve is opened, and meanwhile, the other second stop valve is closed, so that the first feeding pipe for conveying the liquid fuel is communicated with the third feeding pipe; the first feeding pipe and the third feeding pipe for conveying gas fuel are separated, then gaseous fuel is replaced with liquid fuel, a new combustion model needs to be established, the production stability is guaranteed, emergency is carried out through fuel oil, the fuel oil serves as fuel oil for carbon black production, and when the gaseous fuel can meet the production requirement, the fuel oil is not used.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of carbon black production, specifically to a pipeline feeding mechanism of multistage atomization combustor. BACKGROUND

[0002] Carbon black is an important industrial material, and the production of carbon black is a high-temperature cracking reaction. Fine carbon particles are generated by pyrolysis of carbon-hydrogen compound raw materials under high-temperature and oxygen-deficient conditions.

[0003] Natural gas and coal gas are used as main fuel in carbon black production. With the continuous downturn of the coke market and the reduction of coal coking enterprises, the amount of coal gas is getting less and less. Natural gas is mainly used for civilian purposes. When coal gas and natural gas cannot be supplied as fuel, the production line cannot produce. At the same time, when the supply of coal gas and natural gas fluctuates, it will affect the normal production of the production line, resulting in unstable product quality. The present application provides heat energy for the production of carbon black by installing a flow meter on a newly erected pipeline and spraying fuel oil into the combustion chamber of the reaction furnace. The pipeline feeding mechanism of multistage atomization combustor is provided to ensure the normal production of carbon black and products. SUMMARY

[0004] In view of the deficiencies of the prior art, the pipeline feeding mechanism of multistage atomization combustor is provided to solve the problem that when coal gas and natural gas cannot be supplied as fuel, the production line cannot produce, and at the same time, when the supply of coal gas and natural gas fluctuates, it will affect the normal production of the production line, resulting in unstable product quality.

[0005] To achieve the above purpose, the utility model realizes through the following technical scheme: a pipeline feeding mechanism of multistage atomization combustor, comprising:

[0006] Two first feeding pipes, the two first feeding pipes are respectively used for gaseous fuel and liquid fuel;

[0007] Two second feeding pipes, which are installed at the ends of the corresponding first feeding pipes, the ends of the second feeding pipes are installed with second stop valves, the second stop valves are used to separate the gaseous fuel and the liquid fuel;

[0008] A third feeding pipe, which is respectively installed at both ends of the corresponding second stop valves, the third feeding pipe is used to connect the corresponding first feeding pipe in cooperation with the second stop valve;

[0009] An adjusting unit, which is arranged on the third feeding pipe and the two second stop valves, the adjusting unit is used to control the two second stop valves to be opened and closed alternately.

[0010] Preferably, the first supply pipe is provided with a first stop valve, and a turbine flowmeter is arranged on the first stop valve to monitor the flow in the first supply pipe.

[0011] Preferably, the third supply pipe is connected with a third stop valve at an end away from the second stop valve, and the third supply pipe is communicated with the combustion chamber of the reaction furnace through the third stop valve.

[0012] Preferably, the adjusting unit comprises:

[0013] A fixed seat fixedly connected to the third supply pipe;

[0014] A rotating shaft rotatably connected to the third supply pipe;

[0015] Two racks slidably connected to the fixed seat.

[0016] Preferably, a main gear is sleeved on the outer peripheral wall of the rotating shaft, and the main gear is engaged with the two racks.

[0017] Preferably, a driving mechanism is connected to the end of the rotating shaft.

[0018] Preferably, each of the two racks is engaged with a slave gear, and the slave gear is sleeved on the valve rod of the second stop valve.

[0019] The utility model discloses a pipeline supply mechanism of multistage atomization burner has the beneficial effects as follows:

[0020] The pipeline supply mechanism of multistage atomization burner monitors gaseous fuel in the first supply pipe through the turbine flowmeter, when gaseous fuel is insufficient, in order to avoid that the production line cannot produce or affect product quality, liquid fuel is delivered to the second supply pipe through the first supply pipe, and the corresponding second stop valve is opened, and the other second stop valve is closed.

[0021] The first supply pipe for delivering liquid fuel is communicated with the third supply pipe, the first supply pipe for delivering gaseous fuel is separated from the third supply pipe, the switching of gaseous fuel and liquid fuel is carried out, liquid fuel is replaced by gaseous fuel, a new combustion model needs to be established to ensure the stability of production, fuel oil is used for emergency, and the fuel oil is used for carbon black production. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0023] Fig. 1 It is a whole structure schematic diagram of the embodiment;

[0024] Fig. 2 It is a second feed pipe and third feed pipe connection schematic diagram of the embodiment;

[0025] Fig. 3 It is an adjusting unit structure schematic diagram of the embodiment.

[0026] In the figure: 1, first feed pipe; 2, second feed pipe; 3, third feed pipe; 4, first stop valve; 41, turbine flow meter; 5, second stop valve; 6, adjusting unit; 61, fixed seat; 62, rotating shaft; 63, rack; 64, main gear; 65, from gear; 7, third stop valve. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] The pipeline feeding mechanism of the multi-stage atomizing burner provided by the embodiments of the present application solves the problem that when the supply of coal gas and natural gas as fuel cannot be ensured, the production line cannot produce, and when the supply amount of coal gas and natural gas fluctuates, the normal production of the production line is affected, resulting in unstable product quality. The gaseous fuel in the first feed pipe 1 is monitored through the turbine flow meter 41. When the gaseous fuel is insufficient, in order to avoid that the production line cannot produce or the product quality is affected, the liquid fuel is delivered to the second feed pipe 2 through the first feed pipe 1, and the corresponding second stop valve 5 is opened, while the other second stop valve 5 is closed.

[0029] The first supply pipe 1 for liquid fuel delivery is communicated with the third supply pipe 3, the first supply pipe 1 for gas fuel delivery is separated from the third supply pipe 3, the switching of the gas fuel and the liquid fuel is carried out, the gaseous fuel is replaced by the liquid fuel, a new combustion model needs to be established to ensure the stability of production, the fuel oil is used for emergency, the fuel oil is used for the production of carbon black, and the fuel oil is not used when the gaseous fuel can meet the production needs.

[0030] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0031] The utility model discloses a pipeline supply mechanism of multistage atomizing combustor.

[0032] Embodiment one:

[0033] According to the drawings, Figs. 1-3 As shown in the drawings, comprising:

[0034] Two first supply pipes 1, two first supply pipes 1 are used for gaseous fuel and liquid fuel respectively;

[0035] Two second supply pipes 2 are installed with the end of corresponding first supply pipe 1, and the end of second supply pipe 2 is installed with second stop valve 5, and second stop valve 5 is used to separate gaseous fuel and liquid fuel;

[0036] Third supply pipe 3, two ends are installed with corresponding second stop valve 5 respectively, and third supply pipe 3 is used to connect corresponding first supply pipe 1 with second stop valve 5;

[0037] Further, the gaseous fuel is replaced by the liquid fuel, a new combustion model needs to be established to ensure the stability of production, the fuel oil is used for emergency, the fuel oil is used for the production of carbon black, and the fuel oil is not used when the gaseous fuel can meet the production needs;

[0038] Adjusting unit 6 is arranged on third supply pipe 3 and two second stop valves 5, and adjusting unit 6 is used to control two second stop valves 5 to open and close.

[0039] First stop valve 4 is installed in first supply pipe 1, and turbine flowmeter 41 is arranged on first stop valve 4, turbine flowmeter 41 is used to monitor the flow in first supply pipe 1, and turbine flowmeter 41 is a mature structure, which will not be described herein.

[0040] The end of third supply pipe 3 away from second stop valve 5 is connected with third stop valve 7, and third supply pipe 3 is communicated with reaction furnace combustion chamber through third stop valve 7.

[0041] The gaseous fuel in the first supply pipe 1 is monitored by the turbine flowmeter 41. When the gaseous fuel is insufficient, in order to avoid that the production line cannot produce or affect the product quality, the liquid fuel is delivered to the second supply pipe 2 through the first supply pipe 1, the corresponding second stop valve 5 is opened, and the other second stop valve 5 is closed, the liquid fuel is delivered to the third supply pipe 3, and the fuel injection into the combustion chamber of the reaction furnace is controlled by the third stop valve 7 to provide heat energy for the production of carbon black.

[0042] Embodiment two:

[0043] According to the accompanying Figs. 1-3 As shown, the adjusting unit 6 comprises:

[0044] The fixed seat 61 is fixedly connected on the third supply pipe 3;

[0045] The rotating shaft 62 is rotatably connected on the third supply pipe 3;

[0046] The two racks 63 are slidably connected on the fixed seat 61, and the sliding of the racks 63 is stable under the action of the fixed seat 61.

[0047] The outer peripheral wall of the rotating shaft 62 is sleeved with the main gear 64, the main gear 64 is engaged with the two racks 63, the main gear 64 is driven to rotate by the rotating shaft 62, and the two racks 63 are reversely slid on the fixed seat 61 under the rotation of the main gear 64.

[0048] The end of the rotating shaft 62 is connected with the driving mechanism, the rotating shaft 62 is driven to rotate by the driving mechanism, and the main gear 64 is driven to rotate under the rotation of the rotating shaft 62.

[0049] The two racks 63 are engaged with the pinion gears 65, and the pinion gears 65 are sleeved on the valve stems of the second stop valves 5.

[0050] When the main gear 64 drives the two racks 63 to move reversely, the two pinion gears 65 are reversely rotated under the movement of the racks 63, and the valve clack in the second stop valve 5 is further driven to rotate;

[0051] The first supply pipe 1 for delivering liquid fuel is communicated with the third supply pipe 3, the first supply pipe 1 for delivering gaseous fuel is separated from the third supply pipe 3, the switching of gaseous fuel and liquid fuel is realized, the gaseous fuel is replaced by liquid fuel, a new combustion model needs to be established to ensure the stability of production, the fuel oil is used for emergency, and the fuel oil is used for carbon black production. When the gaseous fuel can meet the production needs, the fuel oil is not used.

[0052] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A pipeline feed mechanism for a multi-stage atomizing burner, characterized by, The utility model relates to a kind of gas-liquid two-phase flow control device, including: Two first feed pipes (1), two first feed pipes (1) are used for gaseous fuel and liquid fuel respectively; Two second feed pipes (2) are installed with the end of corresponding first feed pipe (1), the end of second feed pipe (2) is installed with second stop valve (5), and second stop valve (5) is used to separate gaseous fuel and liquid fuel; Third feed pipe (3) is installed with corresponding second stop valve (5) at both ends respectively, and third feed pipe (3) is used to connect second stop valve (5) and corresponding first feed pipe (1) in communication; Adjusting unit (6) is arranged on third feed pipe (3) and two second stop valves (5), and adjusting unit (6) is used to control two second stop valves (5) to open and close.

2. A line feed mechanism for a multi-stage atomizing burner as defined in claim 1, wherein First stop valve (4) is installed in first feed pipe (1), and turbine flowmeter (41) is arranged on first stop valve (4), and turbine flowmeter (41) is used to monitor the flow in first feed pipe (1).

3. A line feed mechanism for a multi-stage atomizing burner as defined in claim 1 wherein, Third stop valve (7) is connected to the end of third feed pipe (3) away from second stop valve (5), and third feed pipe (3) is communicated with reaction furnace combustion chamber by third stop valve (7).

4. A line feed mechanism for a multi-stage atomizing burner as defined in claim 1 wherein, The adjusting unit (6) includes: Fixed seat (61) is fixedly connected on third feed pipe (3); Rotary shaft (62) is rotatably connected on third feed pipe (3); Two racks (63) are slidably connected on fixed seat (61).

5. A line feed mechanism for a multi-stage atomizing burner as defined in claim 4 wherein, Main gear (64) is sleeved on the outer peripheral wall of rotary shaft (62), and main gear (64) is engaged with two racks (63).

6. A line feed mechanism for a multi-stage atomizing burner as defined in claim 5 wherein, Driving mechanism is connected to the end of rotary shaft (62).

7. A line feed mechanism for a multi-stage atomizing burner as defined in claim 4 wherein, Two racks (63) are engaged with pinion (65), and pinion (65) is sleeved on the valve rod of second stop valve (5).

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