CN222925300U - Acetic anhydride condensate discharge pipeline structure - Google Patents
Acetic anhydride condensate discharge pipeline structure Download PDFInfo
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- CN222925300U CN222925300U CN202422120341.4U CN202422120341U CN222925300U CN 222925300 U CN222925300 U CN 222925300U CN 202422120341 U CN202422120341 U CN 202422120341U CN 222925300 U CN222925300 U CN 222925300U
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Abstract
The utility model provides a condensate discharging pipeline structure of acetic anhydride, which relates to the technical field of condensate discharging for acetic anhydride production and comprises a main pipeline, a first acetic anhydride condensate discharging pipeline and a second acetic anhydride condensate discharging pipeline, wherein the first acetic anhydride condensate discharging pipeline is provided with a first valve, the second acetic anhydride condensate discharging pipeline is provided with a second valve, one end of the main pipeline is communicated with a thermal power plant, the condensate discharging pipeline structure can be independently and periodically sampled and detected in the long-time conveying process of condensate generated by two workshops, can be mixed and then conveyed to the thermal power plant for circular processing if the condensate is qualified, can be singly discharged to a corresponding trench if the condensate is unqualified, so that the mixture of the unqualified condensate and the qualified condensate is prevented from influencing the subsequent conveying process, the flow of the liquid discharging pipeline is optimized and the using effect is obviously improved if the condensate is unqualified.
Description
Technical Field
The utility model relates to the technical field of condensate discharging for acetic anhydride production, in particular to a condensate discharging pipeline structure of acetic anhydride.
Background
In the production and preparation process of acetic anhydride, a lot of condensate (mainly condensate 1 from a cracking workshop and condensate 2 from a carbonylation workshop) is generated, and at present, the condensate needs to be collected together to a main pipeline and is intensively discharged to a thermal power plant for processing and recycling.
However, in the continuous conveying process of the condensate, the condition that the quality of the condensate is unqualified exists in a certain period of time, and further, sampling inspection needs to be carried out regularly, wherein the unqualified condensate mainly refers to abnormal parameters such as a PH value, silicon dioxide and COD, but once one or two sampling inspection in the condensate 1 or the condensate 2 is unqualified, the existing discharge pipeline cannot realize independent discharge of the unqualified condensate, the two condensate cannot be effectively separated once mixed, and further, the normal development of the whole discharge flow is influenced, and the use effect and the design flow of the acetic anhydride condensate discharge pipeline are required to be further optimized.
Disclosure of utility model
The utility model aims to solve the problems in the background art and further provides a condensate discharging pipeline structure of acetic anhydride.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a condensate drain line structure of acetic anhydride, including main line, first acetic anhydride condensate drain line and second acetic anhydride condensate drain line, be provided with first valve on the first acetic anhydride condensate drain line, be provided with the second valve on the second acetic anhydride condensate drain line, main line one end intercommunication steam power plant, be provided with main line valve and first sampling component and main line intercommunication first acetic anhydride condensate drain line respectively, first trench pipeline and second trench pipeline, second acetic anhydride condensate drain line intercommunication circulation pipeline and second acetic anhydride condensate drain line are provided with the second sampling component, be provided with third valve and circulation pipeline intercommunication main line on the circulation pipeline, be provided with the fourth valve on the first trench pipeline, be provided with the fifth valve on the second trench pipeline, be provided with the branch pipeline that is linked together with the second trench pipeline on the circulation pipeline.
The device can carry out independent and periodic sampling detection in the long-time conveying process of condensate liquid generated by two workshops, can be conveyed to a thermal power plant for cyclic processing after being mixed if the condensate liquid is qualified, can be independently discharged to corresponding ditches if the condensate liquid is unqualified, can avoid the influence of the mixing of the unqualified condensate liquid and the qualified condensate liquid on the subsequent conveying process, can be independently discharged to the corresponding ditches if the condensate liquid is unqualified, can not carry out cyclic processing, and can optimize the flow of a liquid discharge pipeline and remarkably improve the use effect.
Further, the first sampling assembly comprises a first sampling tube and a first electromagnetic valve, the first sampling tube arranged between the main pipeline valve and the first valve is arranged on the main pipeline, and the first electromagnetic valve is arranged on the first sampling tube.
The scheme realizes the periodic sampling flow of acetic anhydride 1 condensate through the first sampling component.
Further, the second sampling assembly comprises a second sampling pipe and a second electromagnetic valve, the second sampling pipe arranged between the second valve and the third valve is arranged on the second acetic anhydride condensate discharging pipeline, and the second electromagnetic valve is arranged on the second sampling pipe.
The scheme realizes the periodic sampling flow of acetic anhydride 2 condensate through the second sampling component.
Further, the main way valve adopts a DN300 valve.
Further, DN100 valves are adopted for the third valves.
Further, DN100 pilot valves are adopted for the fourth valve and the fifth valve.
Furthermore, a pressure gauge is arranged on the main pipeline.
According to the scheme, the impact pressure value of condensate on the main pipeline can be detected in real time through the pressure gauge, so that the probability of damage to the main pipeline caused by overlarge water flow pressure is reduced.
Compared with the prior art, the utility model has the beneficial effects that:
Compared with the prior art, the device can carry out independent and periodic sampling detection in the long-time conveying process of condensate generated in two workshops, can be conveyed to a thermal power plant for cyclic processing after being mixed if the condensate is qualified, can be independently discharged to corresponding ditches if the condensate is unqualified, can avoid the influence on the subsequent conveying process caused by the mixing of the unqualified condensate and the qualified condensate, can be independently discharged to the corresponding ditches if the condensate is unqualified, can not carry out cyclic processing, and can optimize the flow of a liquid discharge pipeline and remarkably improve the using effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a first coupon installation;
FIG. 3 is a schematic view of a second coupon installation;
Reference numerals:
1. The device comprises a main pipeline, a main pipeline valve, 12, a first sampling pipe, 13, a first electromagnetic valve, 2, a first acetic anhydride condensate discharging pipeline, 21, a first valve, 3, a second acetic anhydride condensate discharging pipeline, 31, a second valve, 32, a second sampling pipe, 33, a second electromagnetic valve, 4, a circulation pipeline, 41, a third valve, 5, a first trench pipeline, 51, a fourth valve, 6, a second trench pipeline, 61, a fifth valve, 7 and a branch pipeline.
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. The utility model will be further described with reference to the accompanying drawings and examples:
As shown in fig. 1 to 3, a condensate discharging pipeline structure for acetic anhydride comprises a main pipeline 1, a first acetic anhydride condensate discharging pipeline 2 and a second acetic anhydride condensate discharging pipeline 3, wherein a first valve 21 is arranged on the first acetic anhydride condensate discharging pipeline 2, a second valve 31 is arranged on the second acetic anhydride condensate discharging pipeline 3, one end of the main pipeline 1 is communicated with a thermal power plant, a main pipeline valve 11 (the main pipeline valve 11 adopts a DN300 valve) and a first sampling component are arranged on the main pipeline 1, the main pipeline 1 is respectively communicated with the first acetic anhydride condensate discharging pipeline 2, a first swill-cooked dirty pipeline 5 and a second swill-cooked dirty pipeline 6, the second acetic anhydride condensate discharging pipeline 3 is communicated with a circulating pipeline 4 and the second sampling component is arranged on the second acetic anhydride condensate discharging pipeline 3, a third valve 41 (the third valve 41 adopts a DN100 valve) and the circulating pipeline 4 is communicated with the main pipeline 1, a fourth valve 51 is arranged on the first swill-cooked dirty pipeline 5, a fifth valve 61 (the fourth valve 51 and the fifth swill-cooked dirty pipeline 61 are respectively) are arranged on the second swill-cooked dirty pipeline 6, and the second swill-cooked dirty pipeline 6 is communicated with the second swill-cooked dirty pipeline 7 by adopting a DN100 valve 7.
Further refinement of the embodiment of the present utility model, as shown in fig. 2, the first sampling assembly includes a first sampling tube 12 and a first electromagnetic valve 13, the main pipeline 1 is provided with the first sampling tube 12 between the main pipeline valve 11 and the first valve 21, and the first electromagnetic valve 13 is provided on the first sampling tube 12.
Further refinement of the embodiment of the present utility model, as shown in fig. 3, the second sampling assembly includes a second sampling tube 32 and a second electromagnetic valve 33, the second sampling tube 32 between the second valve 31 and the third valve 41 is disposed on the second acetic anhydride condensate discharging pipeline 3, and the second electromagnetic valve 33 is disposed on the second sampling tube 32.
The first valve 21, the second valve 31, the main valve 11, the third valve 41, the fourth valve 51, the fifth valve 61, the first solenoid valve 13, and the second solenoid valve 33 are all electrically connected to a controller, which is not shown in the figure.
The working flow of the utility model is as follows:
Firstly, the controller controls the first valve 21 and the second valve 31 to be opened, then acetic anhydride 1 condensate and acetic anhydride 2 condensate can be respectively injected into the main pipeline 1 and the circulating pipeline 4, then the sampling of the acetic anhydride 1 condensate is carried out on the main pipeline 1 through the short-time opening and closing of the first electromagnetic valve 13, the sampling of the acetic anhydride 2 condensate is carried out on the circulating pipeline 4 through the short-time opening and closing of the second electromagnetic valve 33, and immediately detecting the sampled sample parameters respectively (the detecting equipment only needs to adopt the prior art and is not excessively described in the application), and the four discharging conditions are divided after the detection is finished:
(1) If the two kinds of acetic anhydride condensate are qualified in detection, the main valve 11 and the third valve 41 are opened, the fourth valve 51 and the fifth valve 61 are closed, and then the two kinds of condensate are mixed and then conveyed to a thermal power plant for subsequent processing and recycling;
(2) If the condensed liquid of the acetic anhydride 1 is normal and the condensed liquid of the acetic anhydride 2 is abnormal, at the moment, the main valve 11 and the fifth valve 61 are opened, the third valve 41 and the fourth valve 51 are closed, then the condensed liquid of the acetic anhydride 1 is conveyed to a thermal power plant, and the condensed liquid of the acetic anhydride 2 flows away from the branch pipeline 7 and is finally discharged to the second trench pipeline 6;
(3) If the condensed liquid of the acetic anhydride 1 is abnormal, the condensed liquid of the acetic anhydride 2 is normal, at the moment, the fourth valve 51 and the third valve 41 are opened, the main valve 11 and the fifth valve 61 are closed, then the condensed liquid of the acetic anhydride 2 is conveyed to a thermal power plant, and the condensed liquid of the acetic anhydride 1 is directly discharged to the first trench pipeline 5;
(4) If the detection of two kinds of acetic anhydride condensate is unqualified, at the moment, the fourth valve 51 and the fifth valve 61 are opened, the main valve 11 and the third valve 41 are closed, at the moment, the acetic anhydride 1 condensate is directly discharged into the first trench pipeline 5, and the acetic anhydride 2 condensate is led to the branch pipeline 7 and finally discharged into the second trench pipeline 6, so that the acetic anhydride 2 condensate is not conveyed to the thermal power plant;
In summary, a condensate sampling detection flow is carried out every 3-4 hours, if sampling is qualified, the next round of sampling is waited, and if sampling is unqualified, the conveying work of the corresponding condensate is immediately stopped;
Compared with the prior art, the device can carry out independent and periodic sampling detection in the long-time conveying process of condensate generated in two workshops, can be conveyed to a thermal power plant for cyclic processing after being mixed if the condensate is qualified, can be independently discharged to corresponding ditches if the condensate is unqualified, can avoid the influence on the subsequent conveying process caused by the mixing of the unqualified condensate and the qualified condensate, can be independently discharged to the corresponding ditches if the condensate is unqualified, can not carry out cyclic processing, and can optimize the flow of a liquid discharge pipeline and remarkably improve the using effect.
In some embodiments, the main pipeline 1 is provided with a pressure gauge, the pressure gauge is not shown in the figure, and in the embodiment, the impact pressure value of condensate on the main pipeline 1 can be detected in real time through the pressure gauge, so that the probability of damage to the main pipeline 1 caused by overlarge water flow pressure is reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a condensate drain line structure of acetic anhydride, including main line (1), first acetic anhydride condensate drain line (2) and second acetic anhydride condensate drain line (3), be provided with first valve (21) on first acetic anhydride condensate drain line (2), be provided with second valve (31) on second acetic anhydride condensate drain line (3), main line (1) one end intercommunication steam power plant, a serial communication port, be provided with main road valve (11) and first sampling assembly and main line (1) on main line (1) respectively communicate first acetic anhydride condensate drain line (2), first trench line (5) and second trench line (6), be provided with second sampling assembly on second acetic anhydride condensate drain line (3) intercommunication circulation pipeline (4) and second acetic anhydride condensate drain line (3), be provided with third valve (41) and circulation pipeline (4) intercommunication main line (1) on circulation pipeline (4), be provided with fourth valve (51) on first trench line (5), be provided with on second trench line (6) fifth valve (61) and be provided with on second trench line (6).
2. The acetic anhydride condensate discharge line structure according to claim 1, wherein the first sampling assembly comprises a first sampling tube (12) and a first solenoid valve (13), the main line (1) is provided with the first sampling tube (12) between the main line valve (11) and the first valve (21), and the first sampling tube (12) is provided with the first solenoid valve (13).
3. The acetic anhydride condensate drain line structure according to claim 1, wherein the second sampling assembly comprises a second sampling tube (32) and a second solenoid valve (33), the second acetic anhydride condensate drain line (3) is provided with the second sampling tube (32) between the second valve (31) and the third valve (41), and the second sampling tube (32) is provided with the second solenoid valve (33).
4. A condensate drain line structure for acetic anhydride according to claim 1, wherein said main valve (11) is a DN300 valve.
5. A condensate drain line structure for acetic anhydride according to claim 1, wherein said third valve (41) is a DN100 valve.
6. A condensate drain line structure for acetic anhydride according to claim 1, wherein said fourth valve (51) and fifth valve (61) are DN100 pilot valves.
7. A condensate drain line structure for acetic anhydride according to claim 1, characterized in that the main line (1) is provided with a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422120341.4U CN222925300U (en) | 2024-08-30 | 2024-08-30 | Acetic anhydride condensate discharge pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422120341.4U CN222925300U (en) | 2024-08-30 | 2024-08-30 | Acetic anhydride condensate discharge pipeline structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222925300U true CN222925300U (en) | 2025-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422120341.4U Active CN222925300U (en) | 2024-08-30 | 2024-08-30 | Acetic anhydride condensate discharge pipeline structure |
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| CN (1) | CN222925300U (en) |
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- 2024-08-30 CN CN202422120341.4U patent/CN222925300U/en active Active
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