CN219121116U

CN219121116U - Phosphorus pentasulfide flaking heat sink

Info

Publication number: CN219121116U
Application number: CN202222911208.1U
Authority: CN
Inventors: 郑雄飞; 郑传泽; 李植刚; 邓绍裕; 路明彪
Original assignee: Hubei Xingfa Chemicals Group Co Ltd
Current assignee: Hubei Xingfa Chemicals Group Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-06-02
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a phosphorus pentasulfide flaking cooling device, which comprises a phosphorus pentasulfide storage tank and a roller flaking machine, wherein a submerged pump is connected between the phosphorus pentasulfide storage tank and the roller flaking machine, the phosphorus pentasulfide flaking machine further comprises an oil cooling system communicated with a jacket of the roller flaking machine, the oil cooling system comprises a heat conducting oil circulating pump connected to an oil inlet pipe communicated with the jacket of the roller flaking machine, and a heat conducting oil condenser connected to the jacket of the roller flaking machine, an oil outlet of the heat conducting oil condenser is connected with an oil storage tank, an inlet of the heat conducting oil circulating pump is communicated with the oil storage tank, and a heat conducting oil heating device is arranged in the oil storage tank. According to the utility model, the phosphorus pentasulfide roller pelleter is cooled by adopting the heat conduction oil system, and then the heat conduction oil is subjected to heat exchange and cooling by adopting the water cooling mode, so that cooling water is prevented from entering the phosphorus pentasulfide roller pelleter, and the risk of serious production accidents after production equipment fails can be avoided.

Description

Phosphorus pentasulfide flaking heat sink

Technical Field

The utility model relates to the technical field of phosphorus pentasulfide production, in particular to a phosphorus pentasulfide tablet cooling device.

Background

During the conventional production process of phosphorus pentasulfide, a tablet production device adopts a stainless steel double-roller tablet machine, tablet condensate adopts circulating water, and the high-temperature liquid phosphorus pentasulfide at 300-350 ℃ on the surface of a roller is cooled into a low-temperature solid at 50-60 ℃ by introducing the circulating water in the roller in the production process.

Because the high-temperature phosphorus pentasulfide and water can be in contact with each other to perform rapid reaction and release a large amount of heat, and meanwhile, highly toxic gas hydrogen sulfide is generated to cause combustion and explosion, once the roller leaks in the production process, the water and materials can be in contact with each other to generate combustion and explosion, so that a large safety risk exists.

Disclosure of Invention

The utility model aims to provide a phosphorus pentasulfide flaking cooling device, which adopts an oil cooling system as a cooling system of phosphorus pentasulfide flaking equipment and adopts a water cooling mode to cool heat conduction oil, thereby avoiding the possibility of contact between phosphorus pentasulfide and water and reducing the production accident risk of phosphorus pentasulfide flaking process links.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a phosphorus pentasulfide film-making heat sink, includes phosphorus pentasulfide storage tank and roller pelleter, is connected the submerged pump between phosphorus pentasulfide storage tank and the roller pelleter, still includes the oil cooling system that presss from both sides the cover intercommunication with the roller pelleter, the oil cooling system including connect with the roller pelleter presss from both sides the conduction oil circulating pump on the oil feed pipe of cover intercommunication, and connect with the roller pelleter presss from both sides the conduction oil condenser that the cover communicates, the oil-out and the oil storage tank of conduction oil condenser are connected, the import of conduction oil circulating pump with the oil storage tank intercommunication, set up conduction oil heating device in the oil storage tank.

Preferably, the oil storage tank contains heat conduction oil at 35-45 ℃.

Preferably, a pressure transmitter is connected to a pipeline between the conduction oil circulating pump and the roller pelleter.

Preferably, the roller pelleter is made of stainless steel material.

Preferably, a thermometer is arranged on the oil storage tank.

Preferably, an automatic feeding control valve is connected to a pipeline between the phosphorus pentasulfide storage tank and the roller pelleter, and an overflow pipe is further connected between the roller pelleter and the phosphorus pentasulfide storage tank.

Preferably, a flow regulating valve is connected to a cooling water inlet pipe of the heat conducting oil condenser.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the phosphorus pentasulfide roller pelleter is cooled by adopting the heat conduction oil system, and then the heat conduction oil is subjected to heat exchange and cooling by adopting the water cooling mode, so that cooling water is prevented from entering the phosphorus pentasulfide roller pelleter, and the risk of serious production accidents after production equipment fails can be avoided.

2. In the oil cooling system, the pressure transmitter, the thermometer and the cooling water flow regulating valve are arranged on the pipeline, so that smooth circulation of the heat conduction oil is ensured, and the temperature of the heat conduction oil can be accurately controlled by arranging the regulating valve on the heat conduction oil condenser, and the heat exchange efficiency of the oil cooling system is ensured.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a phosphorus pentasulfide storage tank; 2. roller pelleter; 3. a submerged pump; 4. an oil cooling system; 5. an oil inlet pipe; 6. a heat transfer oil circulation pump; 7. a heat transfer oil condenser; 8. an oil storage tank; 9. a conduction oil heating device; 10. a pressure transmitter; 11. a thermometer; 12. an automatic feed control valve; 13. an overflow pipe; 14. a flow regulating valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As a preferred embodiment of the present utility model, referring to fig. 1, the arrow in the figure represents the flow direction of the medium, the present embodiment provides a phosphorus pentasulfide flaking cooling device, which comprises a phosphorus pentasulfide storage tank 1 and a roller flaking machine 2, a submerged pump 3 is connected on a pipeline between the phosphorus pentasulfide storage tank 1 and the roller flaking machine 2, and further comprises an oil cooling system 4 communicated with a jacket of the roller flaking machine 2, the oil cooling system 4 comprises a heat-conducting oil circulating pump 6 connected on an oil inlet pipe 5 communicated with the jacket of the roller flaking machine 2, and a heat-conducting oil condenser 7 connected with the jacket of the roller flaking machine 2, an oil outlet of the heat-conducting oil condenser 7 is connected with an oil storage tank 8, heat-conducting oil at 35-45 ℃ is contained in the oil storage tank 8, an inlet of the heat-conducting oil circulating pump 6 is communicated with the oil storage tank 8, and a heat-conducting oil heating device 9 is arranged in the oil storage tank 8.

In the above embodiment, the heat conducting oil heating device 9 adopts the electric heater, and when the above embodiment is implemented, the heat conducting oil is heated by the heat conducting oil heating device, then is pumped into the jacket of the roller pelleter 2 by the heat conducting oil circulating pump 6, flows into the heat conducting oil heat exchanger 7 for water cooling after heat exchange between the heat conducting oil and the high-temperature phosphorus pentasulfide is completed, and then circulates again, thereby thoroughly replacing the production mode of directly adopting the water cooling system to cool the roller pelleter 2 and preventing major safety accidents after leakage occurs in the roller pelleter 2.

In some preferred embodiments, in order to monitor the pressure of the conduction oil in the oil cooling system 4 in real time and ensure smooth operation of the oil cooling system, the present embodiment connects a pressure transmitter 10 on a pipeline between the conduction oil circulation pump 6 and the roller pelleter 2.

In some preferred embodiments, the roll pelleter 2 is made of stainless steel material in this embodiment in order to extend the useful life of the roll pelleter 2.

In other preferred embodiments, in order to monitor the heat exchange temperature of the heat conducting oil and ensure that the oil cooling system 4 exchanges heat effectively to the roller pelleter 2, the embodiment is provided with a thermometer 11 on the oil storage tank 8, and when the temperature of the heat conducting oil exceeds or is lower than the expected temperature, the temperature of the heat conducting oil is adjusted by using the outer oil inlet pipe 9 and the heat conducting oil heating device.

In other preferred embodiments, in order to precisely control the feeding amount, the embodiment connects an automatic feeding control valve 12 on a pipeline between the phosphorus pentasulfide storage tank 1 and the roller pelleter 2, and an overflow pipe 13 is also connected between the roller pelleter 2 and the phosphorus pentasulfide storage tank 1, and when the feeding amount exceeds the feeding amount expected by the reaction, the feeding amount overflows into the phosphorus pentasulfide storage tank 1 through the overflow pipe to prevent the leakage of raw materials.

In other preferred embodiments, in order to control the temperature of the heat transfer oil in the oil cooling system 4 in multiple ways, the present embodiment connects the flow control valve 14 to the cooling water inlet pipe of the heat transfer oil condenser 7, and when the temperature of the heat transfer oil after passing through the heat transfer oil cooler exceeds the expected temperature, the temperature of the heat transfer oil is reduced by increasing the flow of the cooling water.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a phosphorus pentasulfide pelleter heat sink, includes phosphorus pentasulfide storage tank and roller pelleter, is connected submerged pump, its characterized in that between phosphorus pentasulfide storage tank and the roller pelleter: the oil cooling system is connected to the oil inlet pipe communicated with the jacket of the roller pelleter, the oil cooling system comprises a heat-conducting oil circulating pump connected to the oil inlet pipe communicated with the jacket of the roller pelleter, and a heat-conducting oil condenser connected to the jacket of the roller pelleter, an oil outlet of the heat-conducting oil condenser is connected with an oil storage tank, an inlet of the heat-conducting oil circulating pump is communicated with the oil storage tank, and a heat-conducting oil heating device is arranged in the oil storage tank.

2. The phosphorus pentasulfide tablet cooling device according to claim 1, wherein: the oil storage tank contains heat conduction oil at 35-45 ℃.

3. The phosphorus pentasulfide tablet cooling device according to claim 1, wherein: and a pressure transmitter is connected to a pipeline between the conduction oil circulating pump and the roller pelleter.

4. The phosphorus pentasulfide tablet cooling device according to claim 1, wherein: the roller pelleter is made of stainless steel materials.

5. The phosphorus pentasulfide tablet cooling device according to claim 1, wherein: and a thermometer is arranged on the oil storage tank.

6. The phosphorus pentasulfide tablet cooling device according to claim 1, wherein: an automatic feeding control valve is connected to a pipeline between the phosphorus pentasulfide storage tank and the roller pelleter, and an overflow pipe is further connected between the roller pelleter and the phosphorus pentasulfide storage tank.

7. The phosphorus pentasulfide tablet cooling device according to claim 1, wherein: and a cooling water inlet pipe of the heat conducting oil condenser is connected with a flow regulating valve.