Aromatic hydrocarbon-containing organic peroxide filling system

Abstract

The utility model relates to the technical field of organic peroxide production and processing, in particular to an aromatic hydrocarbon-containing organic peroxide filling system which comprises a peroxide storage tank, and the bottom of the peroxide storage tank is connected with a downstream device through a conveying pipeline. A backflow pipeline connected with the top of the peroxide storage tank and a filling pipeline connected with the full-automatic filling machine are sequentially arranged on the conveying pipeline from front to back, a filling switch valve and a three-way valve are sequentially arranged on the filling pipeline, and a flushing pipeline connected with the flushing fluid storage tank is arranged on the filling pipeline. The flushing pipeline is arranged between the filling switch valve and the three-way valve, the three-way valve is connected with an upstream recovery tank through a recovery pipeline, the full-automatic filling machine is connected with a nitrogen storage tank through an inflation pipeline, and a pressure feed pipeline is arranged between the inflation pipeline and the recovery pipeline. The peroxide filling device can be used for directly filling peroxide, so that the filling safety of peroxide production is improved, and the energy consumption and the production cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of production and processing of organic peroxides, in particular to an organic peroxide filling system containing aromatic hydrocarbons. Background Art

[0002] Organic peroxides, as a unique class of chemical compounds, are characterized by the -OO- peroxide functional group in their molecular structure. These compounds are usually synthesized by replacing the hydrogen atoms in hydrogen peroxide molecules with organic groups such as alkyl, acyl, and aromatic groups.

[0003] In the chemical industry, organic peroxides are widely used as polymerization initiators and catalysts for polymers such as synthetic resins due to their ability to generate oxygen-containing free radicals. During the synthesis of these polymers, they can effectively initiate and control polymerization reactions, resulting in the production of polymers with excellent performance and diverse structures. Furthermore, organic peroxides also demonstrate unique advantages in advanced chemical reactions such as free radical polymerization and grafting reactions, providing strong support for the functionalization and modification of polymer materials.

[0004] However, traditional production methods for organic peroxide additives often rely on small, independent production facilities. This not only leads to increased energy consumption and production costs, but also limits the expansion of production scale and efficiency. More seriously, small-scale production facilities often present numerous safety management risks, especially when handling easily decomposable and explosive organic peroxides, which can lead to serious safety accidents even with the slightest carelessness. Utility Model Content

[0005] In order to overcome the limitations of small-scale production equipment, reduce energy consumption and production costs, improve production scale and efficiency, and ensure production safety, the utility model provides an organic peroxide filling system containing aromatic hydrocarbons.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a filling system for an organic peroxide containing aromatic hydrocarbons, comprising a peroxide storage tank, wherein the bottom of the peroxide storage tank is connected to a downstream device via a delivery pipe, the delivery pipe is sequentially provided with a reflux pipe connected to the top of the peroxide storage tank and a filling pipe connected to a fully automatic filling machine, the filling pipe is sequentially provided with a filling switch valve and a three-way valve, the filling pipe is provided with a flushing pipe connected to a flushing liquid storage tank, the flushing pipe is provided between the filling switch valve and the three-way valve, the three-way valve is connected to an upstream recovery tank via a recovery pipe, the fully automatic filling machine is connected to a nitrogen storage tank via an inflation pipe, a pressure delivery pipe is provided between the inflation pipe and the recovery pipe, the flushing pipe is provided with a flushing liquid switch valve, the pressure delivery pipe is provided with a nitrogen pressure delivery valve, and the inflation pipe is provided with a nitrogen inflation valve.

[0007] Furthermore, a reflux regulating valve is provided on the reflux pipeline, and an inlet regulating valve is provided on the delivery pipeline. The inlet regulating valve is arranged behind the node of the delivery pipeline and the filling pipeline.

[0008] Furthermore, flow controllers are provided at the front ends of the reflux regulating valve and the inlet regulating valve.

[0009] Furthermore, a peroxide pressure pump is provided on the delivery pipeline, and the peroxide pressure pump is arranged in front of the node between the delivery pipeline and the return pipeline.

[0010] Furthermore, a flushing hydraulic pump is provided on the flushing pipeline.

[0011] Furthermore, the recovery pipeline is provided with an online concentration transmitter and an execution controller.

[0012] Furthermore, an outflow pipe is provided at the bottom of the downstream device.

[0013] Furthermore, an exhaust pipe is provided on the top of the fully automatic filling machine, and a filling exhaust valve is provided on the exhaust pipe.

[0014] The beneficial effects achieved by the utility model are:

[0015] 1. The utility model transforms the original process device and adds multiple lines for filling, flushing and exhausting. It not only retains the stable operation capability of the original process device, but also realizes the direct filling operation of organic peroxide products containing aromatic hydrocarbons without adding additional burden, greatly improving the safety of the production and filling of organic peroxides containing aromatic hydrocarbons, and reducing energy consumption and production costs.

[0016] 2. The nitrogen in the nitrogen storage tank of the utility model can flush out the organic peroxides containing aromatic hydrocarbons in the recovery pipeline and the pressure delivery pipeline, thereby preventing the organic peroxides containing aromatic hydrocarbons in the recovery pipeline from being heated and decomposed and exploded due to long-term filling, thereby causing safety accidents; the flushing liquid in the flushing liquid storage tank can dilute and fill the organic peroxides containing aromatic hydrocarbons in the filling pipeline, thereby playing a role in safety protection.

[0017] 3. The utility model is provided with a reflux pipe, which can allow part of the organic peroxide containing aromatic hydrocarbons delivered by the peroxide pressure pump to the delivery pipe to flow back to the peroxide storage tank through the reflux pipe, effectively preventing the peroxide pressure pump from being pressurized and heated due to reduced feed in the downstream device, thereby causing dangerous accidents of the organic peroxide containing aromatic hydrocarbons. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Explanation of the marks in the figure: 1. Peroxide storage tank; 2. Peroxide pressure pump; 3. Reflux regulating valve; 4. Inlet regulating valve; 5. Downstream device; 6. Filling on-off valve; 7. Flushing liquid on-off valve; 8. Three-way valve; 9. Fully automatic filling machine; 10. Upstream recovery tank; 11. Flushing liquid storage tank; 12. Flushing hydraulic pump; 13. Nitrogen storage tank; 14. Nitrogen pressure valve; 15. Nitrogen charging valve; 16. Filling and exhaust valve; 17. Online concentration transmitter; 18. Executive controller; 19. Flow controller; 101. Delivery pipeline; 301. Reflux pipeline; 501. Outflow pipeline; 601. Filling pipeline; 701. Flushing pipeline; 801. First valve; 802. Second valve; 1001. Recovery pipeline; 1401. Pressure pipeline; 1501. Inflating pipeline; 1601. Exhaust pipeline. DETAILED DESCRIPTION

[0020] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of the organic peroxide filling system containing aromatic hydrocarbons of the present invention in conjunction with the accompanying drawings.

[0021] like Figure 1 As shown, a filling system for organic peroxides containing aromatic hydrocarbons includes a peroxide storage tank 1, a delivery pipe 101 disposed at the bottom of the peroxide storage tank 1, the other end of which is connected to a downstream device 5, an outflow pipe 501 disposed at the bottom of the downstream device 5, a return pipe 301 and a filling pipe 601 disposed in sequence on the delivery pipe 101, the other end of the return pipe 301 being connected to the top of the peroxide storage tank 1, and the other end of the filling pipe 601 being connected to a fully automatic filling machine 9. A peroxide pressure pump 2 for conveying the organic peroxide containing aromatic hydrocarbons is disposed on the delivery pipe 101, and the peroxide pressure pump 2 is disposed in front of the junction of the delivery pipe 101 and the return pipe 301. The delivery pipe 101 is also provided with an inlet regulating valve 4, which is disposed behind the junction of the delivery pipe 101 and the filling pipe 601. A reflux regulating valve 3 is disposed on the reflux pipe 301, and flow controllers 19 are disposed at the front ends of both the inlet regulating valve 4 and the reflux regulating valve 3.

[0022] The filling pipe 601 is sequentially provided with a filling switch valve 6 and a three-way valve 8. The three-way valve 8 is also connected to a recovery pipe 1001. The other end of the recovery pipe 1001 is connected to an upstream recovery tank 10. The recovery pipe 1001 is provided with an online concentration transmitter 17 and an execution controller 18. The online concentration transmitter 17 automatically monitors the mass concentration of organic peroxides containing aromatic hydrocarbons, and the execution controller 18 controls the opening and closing of the valve in the three-way valve 8.

[0023] An exhaust pipe 1601 is provided at the top of the fully automatic filling machine 9, and a filling exhaust valve 16 is provided on the exhaust pipe 1601. The top of the fully automatic filling machine 9 is connected to the nitrogen storage tank 13 through the inflation pipe 1501, and a nitrogen inflation valve 15 for controlling the outflow of nitrogen is provided on the inflation pipe 1501. A pressure delivery pipe 1401 is provided between the inflation pipe 1501 and the recovery pipe 1001. The joint of the pressure delivery pipe 1401 and the inflation pipe 1501 is provided between the nitrogen inflation valve 15 and the nitrogen storage tank 13. The joint of the pressure delivery pipe 1401 and the recovery pipe 1001 is provided between the three-way valve 8 and the upstream recovery tank 10, and a nitrogen pressure delivery valve 14 is provided on the pressure delivery pipe 1401.

[0024] The filling pipe 601 is provided with a flushing pipe 701 connected to the flushing liquid storage tank 11. The joint between the flushing pipe 701 and the filling pipe 601 is set between the filling switch valve 6 and the three-way valve 8. The flushing pipe 701 is provided with a flushing hydraulic pump 12 and a flushing liquid switch valve 7 in sequence.

[0025] During normal production of the aromatic hydrocarbon-containing organic peroxide system, the aromatic hydrocarbon-containing organic peroxide flows from the upstream device to the peroxide storage tank 1, and is transported to the downstream device 5 by the peroxide pressure pump 2 for the production of the original organic chemical. The front ends of the reflux regulating valve 3 and the inlet regulating valve 4 are both provided with a flow controller 19, which can respectively cascade-regulate and control the flow of the aromatic hydrocarbon-containing organic peroxide in the delivery pipe 101 and the reflux pipe 301, thereby ensuring the normal storage of the peroxide pressure pump 2, preventing the material in the peroxide storage tank 1 from being unable to be delivered, and reducing the material in the peroxide storage tank 1. At the same time, the reflux regulating valve 3 and the inlet regulating valve 4 cascade adjust the opening of each valve according to the flow rate of the organic peroxide containing aromatic hydrocarbons in the flow controller 19. When the feed rate of peroxide in the downstream device 5 decreases, the reflux pipe 301 can allow the part of the organic peroxide containing aromatic hydrocarbons delivered by the peroxide pressure pump 2 to the delivery pipe 101 to flow back to the peroxide storage tank 1 through the reflux pipe 301, which can effectively prevent the peroxide pressure pump 2 from being pressurized and heated due to the reduction of the feed rate of the downstream device 5, thereby preventing the occurrence of dangerous accidents caused by the organic peroxide containing aromatic hydrocarbons.

[0026] When it is necessary to fill the organic peroxide containing aromatic hydrocarbons, the nitrogen charging valve 15 and the filling exhaust valve 16 are opened, and the nitrogen pressure valve 14 is closed. The air in the automatic filling machine 9 is completely replaced with nitrogen. The replaced gas enters the tail gas network for collection through the exhaust pipe 1601. At the same time, the filling switch valve 6 is opened, the flushing liquid switch valve 7 is closed, and the first valve 801 in the three-way valve 8 is adjusted to open. At the same time, the opening of the inlet regulating valve 4 and the reflux regulating valve 3 are controlled by the flow controller 19 to allow part of the organic peroxide containing aromatic hydrocarbons to flow into the filling pipe 601. The organic peroxide containing aromatic hydrocarbons enters the recovery pipe 1001 through the filling pipe 601, and finally returns to the upstream recovery tank 10 and is re-refined by the upstream device. This process is to flush the isopropylbenzene flushing liquid in the pipeline, thereby improving the filling quality of the organic peroxide containing aromatic hydrocarbons product. After the organic peroxide containing aromatic hydrocarbons flushes the filling pipe 601 for a certain period of time, the online concentration transmitter 17 monitors that the mass concentration of the organic peroxide containing aromatic hydrocarbons in the recovery pipe 1001 meets the filling standard, and then the second valve 802 in the three-way valve 8 is opened and the first valve 801 is closed. The organic peroxide containing aromatic hydrocarbons enters the fully automatic filling machine 9 for barreling, and nitrogen is exhausted through the exhaust pipe 1601.

[0027] When the second valve 802 in the three-way valve 8 is opened and the first valve 801 is closed, the nitrogen pressure valve 14 is opened, and the high-pressure nitrogen in the nitrogen storage tank 13 presses out and empties the organic peroxide containing aromatic hydrocarbons in the recovery pipe 1001, thereby preventing the organic peroxide containing aromatic hydrocarbons in the recovery pipe 1001 from being decomposed and exploded due to heat rise caused by long-term filling.

[0028] After filling is complete, first valve 801 within three-way valve 8 is reopened, filling on-off valve 6 is closed, and flushing liquid on-off valve 7 is opened. Flushing liquid flows from flushing liquid reservoir 11 and is delivered to filling pipe 601 via flushing hydraulic pump 12. This flushes filling pipe 601 between filling on-off valve 6 and three-way valve 8, diluting the aromatic organic peroxide in filling pipe 601 and providing safety protection. Because the filling pipe 601 is relatively short between three-way valve 8 and fully automatic filling machine 9, it is less likely to contain residual aromatic organic peroxide, requiring no special treatment.

[0029] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A filling system for organic peroxides containing aromatic hydrocarbons, characterized by: The invention comprises a peroxide storage tank (1), wherein the bottom of the peroxide storage tank (1) is connected to a downstream device (5) via a delivery pipe (101), and the delivery pipe (101) is provided with a return pipe (301) connected to the top of the peroxide storage tank (1) and a filling pipe (601) connected to a full-automatic filling machine (9) in sequence, and the filling pipe (601) is provided with a filling switch valve (6) and a three-way valve (8) in sequence, and the filling pipe (601) is provided with a flushing pipe (701) connected to a flushing liquid storage tank (11), and the flushing pipe (701) is provided at the filling switch valve (6). Between the shut-off valve (6) and the three-way valve (8), the three-way valve (8) is connected to an upstream recovery tank (10) via a recovery pipe (1001), the fully automatic filling machine (9) is connected to a nitrogen storage tank (13) via an inflation pipe (1501), a pressure delivery pipe (1401) is provided between the inflation pipe (1501) and the recovery pipe (1001), a flushing liquid on-off valve (7) is provided on the flushing pipe (701), a nitrogen pressure delivery valve (14) is provided on the pressure delivery pipe (1401), and a nitrogen inflation valve (15) is provided on the inflation pipe (1501).

2. The aromatic organic peroxide filling system according to claim 1, characterized in that: The return pipe (301) is provided with a return regulating valve (3), the delivery pipe (101) is provided with an inlet regulating valve (4), and the inlet regulating valve (4) is arranged behind the node between the delivery pipe (101) and the filling pipe (601).

3. The aromatic hydrocarbon-containing organic peroxide filling system according to claim 2, characterized in that: A flow controller (19) is provided at the front end of each of the reflux regulating valve (3) and the inlet regulating valve (4).

4. The filling system of an organic peroxide containing aromatic hydrocarbons according to claim 1, characterized in that: A peroxide pressure pump (2) is provided on the delivery pipeline (101), and the peroxide pressure pump (2) is provided in front of the node between the delivery pipeline (101) and the return pipeline (301).

5. The filling system of an organic peroxide containing aromatic hydrocarbons according to claim 1, characterized in that: The flushing pipeline (701) is provided with a flushing hydraulic pump (12).

6. The aromatic hydrocarbon-containing organic peroxide filling system according to claim 1, characterized in that: The recovery pipeline (1001) is provided with an online concentration transmitter (17) and an execution controller (18).

7. The filling system of an organic peroxide containing aromatic hydrocarbons according to claim 1, characterized in that: An outflow pipe (501) is provided at the bottom of the downstream device (5).

8. The filling system of an organic peroxide containing aromatic hydrocarbons according to claim 1, characterized in that: An exhaust pipe (1601) is provided on the top of the fully automatic filling machine (9), and a filling exhaust valve (16) is provided on the exhaust pipe (1601).

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