Sulfur feeding device

Abstract

The utility model discloses a sulfur feeding device, which relates to the technical field of sulfide production and is characterized in that an inlet of a sulfur melting tank is communicated with a solid sulfur bin through a pipeline, and an outlet of the sulfur melting tank is communicated to a reactor through a pipeline; and a jacket inlet and a jacket outlet of the sulfur melting tank are respectively communicated with a steam inlet pipeline and a condensate water outlet pipeline. The temperature in the sulfur melting tank is increased to 140-150 DEG C through steam heating, the temperature is maintained, then solid sulfur powder enters the sulfur melting tank from the solid sulfur bin, liquid sulfur is formed after melting, and finally the liquid sulfur enters the reactor to react with hydrogen to synthesize hydrogen sulfide. Liquid sulfur in the sulfur melting tank can continuously enter the reactor, so that continuous reaction is realized, the production efficiency is improved, the temperature in the reactor is low, and the liquid sulfur in the sulfur melting tank can play a liquid sealing role, so that hydrogen cannot flow back into the sulfur melting tank, and the safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to sulfide production technical field, concretely relates to a sulfur charging device. BACKGROUND

[0002] Sulfur is an important raw material of sulfur series compounds, and sulfur has wide application. Sulfur can be used as raw material to produce sulfuric acid, sulfur dioxide, carbon disulfide, hydrogen sulfide, phosphorus sulfide, metal sulfide and the like. Sulfur is also widely used in the production of vulcanized rubber, and is also the main raw material for producing fireworks.

[0003] At present, many production processes of sulfur compounds, such as synthesis of hydrogen sulfide and carbon disulfide, need to add solid sulfur into the reactor, then melt it by heating, and then add another raw material for reaction after the temperature rises to a certain value. When the liquid level of sulfur in the reactor decreases to a certain value, sulfur needs to be added to the reactor again, and the temperature of the reactor should be reduced to below the ignition point of sulfur, so that continuous reaction cannot be carried out, the production efficiency of the device is low, and the process risk is increased.

[0004] Meanwhile, the existing method of adding solid sulfur has the following shortcomings: first, the degree of automation is low, and the labor intensity is large; second, sulfur is added from the top, and due to the high temperature in the furnace, sulfur is easily liquefied or gasified during the falling process, which produces sulfur dioxide gas, causes environmental pollution, and reduces the utilization rate of sulfur, resulting in unstable production process and high production cost. SUMMARY

[0005] The technical problem to be solved by the utility model is to provide a sulfur charging device to solve the problems existing in the prior art, realize continuous production, improve production efficiency, and have high safety factor.

[0006] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0007] A sulfur charging device, comprising a molten sulfur tank, a solid sulfur bunker is communicated with the inlet of the molten sulfur tank through a pipeline, and the outlet of the molten sulfur tank is communicated with a reactor through a pipeline.

[0008] The inlet and outlet of the jacket of the molten sulfur tank are respectively communicated with a steam inlet pipeline and a condensate outlet pipeline.

[0009] As an improved technical scheme, a screw feeding and stirring device is arranged in the pipeline between the solid sulfur bunker and the molten sulfur tank, and the screw feeding and stirring device is connected with a screw feeding motor.

[0010] As an improved technical scheme, a stirrer is arranged in the solid sulfur bunker in a transverse manner, and the stirrer is connected with a stirring motor.

[0011] As an improved technical scheme, the liquid level sensor is arranged in the molten sulfur tank, and the liquid level sensor is interlocked with the screw feeding motor to the control system.

[0012] As an improved technical scheme, the temperature sensor is arranged in the molten sulfur tank, and the first automatic regulating valve is arranged on the steam inlet pipeline, and the temperature sensor and the first automatic regulating valve are interlocked to the control system.

[0013] As an improved technical scheme, the second automatic regulating valve and the flow sensor are arranged on the liquid sulfur outlet pipeline of the molten sulfur tank, and the second automatic regulating valve and the flow sensor are interlocked to the control system.

[0014] As a preferred technical scheme, the bottom of the molten sulfur tank is provided with a drainage port.

[0015] As a preferred technical scheme, the top of the molten sulfur tank is respectively provided with an air inlet and a pressure relief port.

[0016] Due to the adoption of the above technical scheme, the molten sulfur tank has the advantages that:

[0017] The utility model discloses a sulfur feeding device, including molten sulfur tank, the inlet of molten sulfur tank is connected with solid sulfur bunker through pipeline, and the outlet of molten sulfur tank is connected to reactor through pipeline, and the inlet and outlet of the jacket of molten sulfur tank are connected with steam inlet pipeline and condensate outlet pipeline respectively.

[0018] The utility model discloses a solid sulfur bunker and the pipeline between the molten sulfur tank is equipped with screw feeding stirring, and the screw feeding stirring is connected with screw feeding motor.

[0019] The solid sulfur bunker is equipped with the stirrer of horizontal arrangement, and the stirrer is connected with stirring motor, and the solid sulfur powder in the solid sulfur bunker is agitated through the stirring motor driving stirrer, and the material is not easy to accumulate and cake, and can enter the molten sulfur tank more smoothly.

[0020] The liquid level sensor is connected to the screw feeding motor and the control system.

[0021] The temperature sensor is connected to the first automatic regulating valve and the control system.

[0022] The second automatic regulating valve and the flow sensor are connected to the control system.

[0023] The bottom of the molten sulfur tank is provided with a discharge port, so that the material in the molten sulfur tank can be discharged and cleaned conveniently.

[0024] The top of the molten sulfur tank is provided with an air inlet and a pressure relief port. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model is further described below in combination with the drawings and examples.

[0026] Figure 1 It is the structure schematic diagram of the utility model example;

[0027] 1, molten sulfur tank; 2, solid sulfur bunker; 3, reactor; 4, steam inlet pipeline; 5, condensed water outlet pipeline; 6, screw feeding stirring; 7, screw feeding motor; 8, stirrer; 9, stirring motor; 10, liquid level sensor; 11, temperature sensor; 12, first automatic regulating valve; 13, second automatic regulating valve; 14, flow sensor; 15, discharge port; 16, air inlet; 17, pressure relief port; 18, pressure sensor. DETAILED DESCRIPTION

[0028] The utility model is further described below in combination with the drawings and examples.

[0029] As Figure 1As shown, a sulfur feeding device includes a molten sulfur tank 1, the inlet of the molten sulfur tank 1 is communicated with a solid sulfur bunker 2 through a pipeline, the outlet of the molten sulfur tank 1 is communicated to a reactor 3 through a pipeline; the jacket inlet and outlet of the molten sulfur tank 1 are respectively communicated with a steam inlet pipeline 4 and a condensate outlet pipeline 5. Through steam heating, the temperature in the molten sulfur tank 1 is heated to 140-150℃ and maintained, then the solid sulfur powder from the solid sulfur bunker 2 enters the molten sulfur tank 1, melts into liquid sulfur, and finally enters the reactor 3 to participate in the reaction. The liquid sulfur in the molten sulfur tank 1 can continuously enter the reactor 3, realizing continuous reaction and improving production efficiency. The liquid sulfur in the molten sulfur tank 1 can play a liquid sealing role, so that the reaction material in the reactor cannot flow back to the molten sulfur tank 1, and the safety is higher.

[0030] A screw feeding stirrer 6 is arranged in the pipeline between the solid sulfur bunker 2 and the molten sulfur tank 1, and the screw feeding stirrer 6 is connected with a screw feeding motor 7. The material in the solid sulfur bunker 2 enters the molten sulfur tank 1 under the action of the screw feeding motor 7 and the screw feeding stirrer 6, reducing manual operation, improving automation degree, and improving labor efficiency.

[0031] A transversely arranged stirrer 8 is arranged in the solid sulfur bunker 2, and the stirrer 8 is connected with a stirring motor 9. The stirrer 8 is driven by the stirring motor 9 to stir the solid sulfur powder in the solid sulfur bunker 2, so that the material is not easy to accumulate and agglomerate, and can flow more smoothly into the molten sulfur tank 1.

[0032] A liquid level sensor 10 is arranged in the molten sulfur tank 1, and the liquid level sensor 10 is interlocked with the screw feeding motor 7 to a control system. The control system controls the opening of the screw feeding motor 7 according to the value of the liquid level sensor 10, so as to supplement the material in the molten sulfur tank 1, and the use is convenient.

[0033] A temperature sensor 11 is arranged in the molten sulfur tank 1, a first automatic adjusting valve 12 is arranged on the steam inlet pipeline 4, and the temperature sensor 11 and the first automatic adjusting valve 12 are interlocked to a control system. The control system adjusts the opening of the first automatic adjusting valve 12 according to the value of the temperature sensor 11, so as to maintain the material temperature in the molten sulfur tank 1 at 140-150℃.

[0034] A second automatic adjusting valve 13 and a flow sensor 14 are arranged on the liquid sulfur outlet pipeline of the molten sulfur tank 1, and the second automatic adjusting valve 13 and the flow sensor 14 are interlocked to a control system. The control system adjusts the opening of the second automatic adjusting valve 13 according to the value of the flow sensor 14, so that the liquid sulfur can enter the reactor 3 at a stable rate, and the continuous production of the process is maintained.

[0035] The bottom of the molten sulfur tank 1 is provided with a discharge port 15, so that the material in the molten sulfur tank 1 can be discharged and cleaned, and the use is convenient.

[0036] The top of the molten sulfur tank 1 is respectively provided with an air inlet 16 and a pressure relief port 17.

[0037] The working principle of the utility model is as follows:

[0038] First, open the steam inlet pipeline valve of the molten sulfur tank 1, adjust the opening of the first automatic regulating valve 12, and make the temperature in the tank reach 140-150 DEG C and maintain. Then, add solid sulfur powder into the solid sulfur bunker 2, start the stirring motor 9, and start the screw feeding motor 7. The sulfur will be pushed into the molten sulfur tank 1 by the screw feeding and stirring 6 and melt. When the liquid sulfur level in the molten sulfur tank 1 reaches a certain position, open the liquid sulfur outlet valve to make it flow into the reactor 3. The stirring speed in the solid sulfur bunker and the screw feeding speed can be respectively adjusted by the frequency of the stirring motor 9 and the screw feeding motor 7, and the liquid sulfur outlet speed can be controlled by the second automatic regulating valve 13, so that continuous reaction can be realized.

[0039] It should be understood that the embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

Claims

1. A sulphur charging device, characterized by: The molten sulfur tank is connected with the solid sulfur bunker through a pipeline at the inlet, and is connected with the reactor through a pipeline at the outlet; The jacket inlet and outlet of the molten sulfur tank are respectively connected with a steam inlet pipeline and a condensate outlet pipeline; A screw feeding and stirring device is arranged in the pipeline between the solid sulfur bunker and the molten sulfur tank, and the screw feeding and stirring device is connected with a screw feeding motor; A transversely arranged stirrer is arranged in the solid sulfur bunker, and the stirrer is connected with a stirring motor; A liquid level sensor is arranged in the molten sulfur tank, and the liquid level sensor is interlocked with the screw feeding motor to a control system.

2. A sulphur charging device as claimed in claim 1, characterized in that: A temperature sensor is arranged in the molten sulfur tank, a first automatic regulating valve is arranged on the steam inlet pipeline, and the temperature sensor and the first automatic regulating valve are interlocked to the control system.

3. A sulphur charging device as claimed in claim 1, characterized in that: A second automatic regulating valve and a flow sensor are arranged on the liquid sulfur outlet pipeline of the molten sulfur tank, and the second automatic regulating valve and the flow sensor are interlocked to the control system.

4. A sulphur charging device as claimed in claim 1, characterized in that: A discharge port is arranged at the bottom of the molten sulfur tank.

5. A sulphur charging device as claimed in claim 1, characterized in that: An air inlet and a pressure relief port are respectively arranged at the top of the molten sulfur tank.

Images