CN217708917U - VCM dry waste liquid recovery system - Google Patents
VCM dry waste liquid recovery system Download PDFInfo
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- CN217708917U CN217708917U CN202221548865.8U CN202221548865U CN217708917U CN 217708917 U CN217708917 U CN 217708917U CN 202221548865 U CN202221548865 U CN 202221548865U CN 217708917 U CN217708917 U CN 217708917U
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- waste liquid
- dry waste
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- storage tank
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Abstract
The utility model discloses a VCM dry waste liquid recovery system, which comprises a dry waste liquid storage tank; the left side of the dry waste liquid storage tank is connected with a plurality of waste material discharge pipes; the top of the dry waste liquid storage tank is respectively provided with a nitrogen conveying pipe and a DVH conveying pipe; the nitrogen conveying pipe and the DVH conveying pipe are both provided with a split-range control valve; a dry waste liquid discharge pipe is arranged at the bottom of the dry waste liquid storage tank; the dry waste liquid discharge pipe is connected with an inlet of the dry waste liquid pump; the outlet of the dry waste liquid pump is connected with an AS-401A delivery pipe and an AS-401B delivery pipe. The utility model provides a VCM dry waste liquid recovery system, simple structure can completely isolate the water-containing waste material from the water-free mixed material, solves the corrosion problem of the recovery system equipment pipeline; the VCM is prevented from polluting the EDC fed to the head tower, and the device is more stable to operate. Meanwhile, in the process of stopping and overhauling the cracking unit, the dry waste liquid recovery system shortens the time required by the emptying process of the system materials.
Description
Technical Field
The utility model relates to a waste water treatment device technical field, concretely relates to VCM waste liquid recovery system futilely.
Background
The VCM technology is characterized in that a process waste water tank is arranged in the whole device, process waste materials discharged in the maintenance process of each unit are collected through a PS pipeline, but the PS pipeline only collects process waste materials (main component EDC) containing no HCL and possibly containing water and discharges the process waste materials, the waste materials containing high VCM content cannot be collected, and maintenance discharge materials of a cracking unit contain HCL and VCM and are difficult to remove. The mixed materials discharged in the overhauling process of the cracking unit are forcibly collected, so that the corrosion of the pipeline of the equipment, even leakage, leakage and leakage can be caused, the environment is polluted, and the production safety is not facilitated; if the VCM content in the collected overhaul material is too high, feeding causes a head tower, the pressure of the head tower can rise rapidly and cannot be controlled, a system is disordered, the water content of the tower bottom exceeds the standard easily, and hidden troubles are buried in the continuous production of the whole device.
Based on the above situation, the utility model provides a VCM does waste liquid recovery system can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a VCM waste liquid recovery system futilely. The utility model provides a VCM dry waste liquid recovery system, simple structure can completely isolate the water-containing waste material from the water-free mixed material, solves the corrosion problem of the recovery system equipment pipeline; the VCM is prevented from polluting the EDC fed to the head tower, and the device is more stable to operate. Meanwhile, in the process of stopping and overhauling the cracking unit, the dry waste liquid recovery system shortens the time required by the emptying process of the system materials.
The utility model discloses a following technical scheme realizes:
a VCM dry waste liquid recovery system comprises a dry waste liquid storage tank; the left side of the dry waste liquid storage tank is connected with a plurality of waste discharge pipes; the top of the dry waste liquid storage tank is respectively provided with a nitrogen conveying pipe and a DVH conveying pipe; the nitrogen conveying pipe and the DVH conveying pipe are respectively provided with a split control valve; a dry waste liquid discharge pipe is arranged at the bottom of the dry waste liquid storage tank; the dry waste liquid discharge pipe is connected with an inlet of a dry waste liquid pump; the outlet of the dry waste liquid pump is connected with an AS-401A delivery pipe and an AS-401B delivery pipe.
According to the above technical solution, AS a further preferable technical solution of the above technical solution, a return pipe is further connected to a top of the dry waste liquid storage tank, and the return pipe is connected to the AS-401A delivery pipe and the AS-401B delivery pipe.
According to the above technical means, as a further preferable technical means of the above technical means, a pressure controller is provided at the top of the dry waste liquid storage tank; the pressure controller is electrically connected with the range control valve.
According to the above technical solution, as a further preferable technical solution of the above technical solution, a liquid level display is connected to the right side of the dry waste liquid storage tank.
According to the technical scheme, as a further preferable technical scheme of the technical scheme, the waste discharge pipes are respectively a GF-401A/S low-point discharge pipe, a GF-401B/T low-point discharge pipe, a PP-402A/S inlet low-point discharge pipe, a PP-402B/T inlet low-point discharge pipe, a PP-403A/S inlet low-point discharge pipe, a PP-403B/T inlet low-point discharge pipe, a PP-403A/S outlet discharge pipe and a PP-403B/T outlet discharge pipe.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model provides a VCM dry waste liquid recovery system, simple structure can completely isolate the water-containing waste material from the water-free mixed material, solves the corrosion problem of the recovery system equipment pipeline; the VCM is prevented from polluting the EDC fed to the head tower, and the device is more stable to operate. Meanwhile, in the process of stopping and overhauling the cracking unit, the dry waste liquid recovery system shortens the time required by the emptying process of the system materials.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The technical features of the split control valve, the pressure controller, the liquid level display, etc. in the present invention, if there is no special description, all obtained from the conventional commercial approaches, or made by the conventional method, the specific structure, the working principle and the control mode, the space arrangement mode that may involve adopt the conventional selection in the field, should not be regarded as the innovation point of the present invention, to the technical personnel in the field, can understand, the present invention does not further specifically expand the detailed description.
Example 1:
a VCM dry waste liquid recovery system comprises a dry waste liquid storage tank 1; the left side of the dry waste liquid storage tank 1 is connected with a plurality of waste discharge pipes; the top of the dry waste liquid storage tank 1 is respectively provided with a nitrogen conveying pipe 2 and a DVH conveying pipe 3; the nitrogen conveying pipe 2 and the DVH conveying pipe 3 are both provided with a split control valve 4; a dry waste liquid discharge pipe 5 is arranged at the bottom of the dry waste liquid storage tank 1; the dry waste liquid discharge pipe 5 is connected with an inlet of a dry waste liquid pump 6; the outlet of the dry waste liquid pump 6 is connected with an AS-401A delivery pipe 7 and an AS-401B delivery pipe 8.
The utility model discloses a 1 top gaseous phase of dry waste liquid storage tank is furnished with nitrogen gas conveyer pipe 2, carries the volatile gas (principal ingredients HCL and VCM) in the jar to burning the device through DVH conveyer pipe 3, and the bottom of dry waste liquid storage tank 1 is equipped with a dry waste liquid pump 6, can be with the waste liquid pump sending in dry waste liquid storage tank 1 in normal production process to AS-401A and AS-401B tower bottom to retrieve. The utility model can completely separate the water-containing waste (the main components are EDC and some impurities) from the water-free mixed material (the main components are EDC/VCM/HCL and some impurities), thereby solving the corrosion problem of the pipeline of the recovery system equipment; the VCM is prevented from polluting the EDC fed to the head tower, and the device is more stable to operate. Meanwhile, in the process of stopping and overhauling the cracking unit, the dry waste liquid recovery system shortens the time required by the emptying process of the system materials.
The AS-401A of the utility model is a set of quench washing tower, and the AS-401B is a set of quench washing tower B.
Further, in another embodiment, a return pipe 9 is connected to the top of the dry waste liquid tank 1, and the return pipe 9 is connected to the AS-401A delivery pipe 7 and the AS-401B delivery pipe 8.
Further, in another embodiment, the top of the dry waste liquid tank 1 is provided with a pressure controller 10; the pressure controller 10 is electrically connected with the range control valve 4.
By adopting the above technical scheme, through setting up pressure controller 10 to pressure controller 10 and range control valve 4 electric connection, can input nitrogen gas when dry waste liquid storage tank 1 pressure is low, and when pressure is high, can carry out the dry exhaust gas (discharge DVH), and they all can be controlled by a pressure controller 10.
Further, in another embodiment, a liquid level display 11 is connected to the right side of the dry waste liquid tank 1.
Through adopting above-mentioned technical scheme, the setting of liquid level display 11 to in observing the liquid level height of 1 inside of dry waste liquid storage tank.
Further, in another embodiment, the waste drainpipes are GF-401A/S low point drainpipe 12, GF-401B/T low point drainpipe 13, PP-402A/S inlet low point drainpipe 14, PP-402B/T inlet low point drainpipe 15, PP-403A/S inlet low point drainpipe 16, PP-403B/T inlet low point drainpipe 17, PP-403A/S outlet drainpipe 18, PP-403B/T outlet drainpipe 19, respectively.
The utility model discloses a GF-401A/S is A set rapid cooling scrubbing tower filter, GF-401B/T is B set rapid cooling scrubbing tower filter, PP-402A/S is A set rapid cooling scrubbing tower backwash pump, PP-402B/T is B set rapid cooling scrubbing tower backwash pump, PP-403A/S is A set rapid cooling scrubbing tower circulating pump, PP-403B/T is B set rapid cooling scrubbing tower circulating pump.
According to the utility model discloses a description and attached drawing, the technical personnel in the field make or use very easily the utility model discloses a VCM does waste liquid recovery system to can produce the positive effect that the utility model discloses record.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated on the drawings, it is only for convenience of describing the present invention and simplifying the description, but it does not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated, therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances with reference to the drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly in the present disclosure and encompass, for example, either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (5)
1. The utility model provides a VCM waste liquid recovery system futilely which characterized in that: comprises a dry waste liquid storage tank (1); the left side of the dry waste liquid storage tank (1) is connected with a plurality of waste discharge pipes; the top of the dry waste liquid storage tank (1) is respectively provided with a nitrogen conveying pipe (2) and a DVH conveying pipe (3); the nitrogen conveying pipe (2) and the DVH conveying pipe (3) are respectively provided with a split-range control valve (4); a dry waste liquid discharge pipe (5) is arranged at the bottom of the dry waste liquid storage tank (1); the dry waste liquid discharge pipe (5) is connected with an inlet of a dry waste liquid pump (6); the outlet of the dry waste liquid pump (6) is connected with an AS-401A conveying pipe (7) and an AS-401B conveying pipe (8).
2. A VCM dry waste liquor recovery system as claimed in claim 1, characterized in that: the top of the dry waste liquid storage tank (1) is also connected with a return pipe (9), and the return pipe (9) is connected with the AS-401A delivery pipe (7) and the AS-401B delivery pipe (8).
3. A VCM dry waste recycling system according to claim 1, wherein: the top of the dry waste liquid storage tank (1) is provided with a pressure controller (10); the pressure controller (10) is electrically connected with the range control valve (4).
4. A VCM dry waste recycling system according to claim 1, wherein: the right side of the dry waste liquid storage tank (1) is connected with a liquid level display (11).
5. A VCM dry waste recycling system according to claim 1, wherein: the waste discharge pipes are respectively a GF-401A/S low-point discharge pipe (12), a GF-401B/T low-point discharge pipe (13), a PP-402A/S inlet low-point discharge pipe (14), a PP-402B/T inlet low-point discharge pipe (15), a PP-403A/S inlet low-point discharge pipe (16), a PP-403B/T inlet low-point discharge pipe (17), a PP-403A/S outlet discharge pipe (18) and a PP-403B/T outlet discharge pipe (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221548865.8U CN217708917U (en) | 2022-06-20 | 2022-06-20 | VCM dry waste liquid recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221548865.8U CN217708917U (en) | 2022-06-20 | 2022-06-20 | VCM dry waste liquid recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217708917U true CN217708917U (en) | 2022-11-01 |
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ID=83802633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221548865.8U Active CN217708917U (en) | 2022-06-20 | 2022-06-20 | VCM dry waste liquid recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217708917U (en) |
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2022
- 2022-06-20 CN CN202221548865.8U patent/CN217708917U/en active Active
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