CN213253128U - Novel high-efficient chloroethylene is retrieved device - Google Patents
Novel high-efficient chloroethylene is retrieved device Download PDFInfo
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- CN213253128U CN213253128U CN202021959518.5U CN202021959518U CN213253128U CN 213253128 U CN213253128 U CN 213253128U CN 202021959518 U CN202021959518 U CN 202021959518U CN 213253128 U CN213253128 U CN 213253128U
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- chloroethylene
- recovery
- vinyl chloride
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- recovery tank
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Abstract
The utility model discloses a novel high-efficient chloroethylene is retrieved device relates to chloroethylene and retrieves technical field. The utility model comprises a liquid-phase crude chloroethylene buffer tank, wherein a baffle plate is arranged inside the liquid-phase crude chloroethylene buffer tank, and a water accumulation bag is arranged at the lower side of the liquid-phase crude chloroethylene buffer tank; the chloroethylene recovery tank is internally provided with a heating pipe, the upper part of the chloroethylene recovery tank is provided with a thermometer, and the upper part of the chloroethylene recovery tank is also provided with a nitrogen inlet and a chloroethylene recovery port. The utility model discloses a waste water in the chloroethylene recovery tank lets recovery tank deck portion temperature reach 65 ℃ through control heating system, and the pressure in the chloroethylene recovery subassembly will rise, and when pressure rose to 50kPa, chloroethylene passed through the pipe-line transportation to the gas holder. When the temperature of the recovery tank is stabilized at 65 ℃ and the pressure of the top of the recovery tank is less than or equal to 50kPa, and when the liquid level is less than or equal to 20 percent, the regulating valve is automatically closed, so that the waste water and the vinyl chloride are completely recycled.
Description
Technical Field
The utility model belongs to the technical field of the chloroethylene is retrieved, especially, relate to a novel high-efficient chloroethylene is retrieved device.
Background
In the process of producing chloroethylene, a gas phase of crude chloroethylene contains saturated water, the gas phase chloroethylene is changed into liquid state after pressurization and cooling, the saturated water in the gas phase chloroethylene is changed into liquid state water, the density of the water is greater than that of a liquid phase of chloroethylene, the water is settled at the bottom of equipment after standing and settling, the water in the liquid state chloroethylene is required to be discharged in order to not influence the quality of a chloroethylene product, the wastewater containing chloroethylene in the industry is directly discharged into a trench due to the imperfection of the process and the immaturity of the technology, the density of the gas phase of chloroethylene is greater than that of air, namely the chloroethylene in the wastewater is volatilized and then is enriched at low-lying parts such as a trench and a water well, once open fire occurs, the trench is exploded, such dangerous situations frequently occur in the industry, and chloroethylene is wasted, and the production is not beneficial to safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel high-efficient chloroethylene recovery unit, through when the vinyl chloride production is driven, with the device system all with nitrogen gas replacement qualified (nitrogen oxygen content is less than or equal to 0.4%), after liquid phase chloroethylene gets into thick chloroethylene buffer tank, along with the rising of liquid level, chloroethylene can overturn the baffle and reach the chloroethylene export, supplies the back process to use. The water in the vinyl chloride is enriched in a water accumulation bag at the lower part of the buffer tank, and the water in the water accumulation bag is discharged at regular time (1 time/2 hours) during the water discharging operation.
An object of the utility model is to provide a novel high-efficient chloroethylene is retrieved device, confirm that water had been discharged in the ponding package through the observation sight glass among the vinyl chloride waste water conveying system, the hot water volume of waste water in the jar is retrieved to chloroethylene to the emission, let recovery tank top temperature reach 65 ℃, under heating element's effect, pressure among the chloroethylene recovery subassembly will rise, when pressure rises to 50kPa, the pressure regulating valve among the recovery subassembly will be opened automatically, chloroethylene passes through pipe-line transportation to gas holder. When the temperature of the recovery tank is stabilized at 65 ℃ and the pressure of the top of the recovery tank is less than or equal to 50kPa, the pressure regulating valve can be automatically closed, namely vinyl chloride in the wastewater is completely desorbed, the wastewater is sent out of a boundary area through the wastewater conveying system 6, the wastewater conveying regulating valve and the liquid level of the recovery tank are controlled in an interlocking manner, and when the liquid level is less than or equal to 20%, the regulating valve is automatically closed, namely, the wastewater and the vinyl chloride are completely recycled.
In order to solve the above technical problems, the present invention is realized by the following technical solutions, and it is needless to say that any product implementing the present invention does not necessarily need to achieve all the advantages described above at the same time:
a novel high-efficiency chloroethylene recovery device comprises a liquid-phase crude chloroethylene buffer tank, wherein a partition plate is arranged inside the liquid-phase crude chloroethylene buffer tank, and a water accumulation bag is arranged on the lower side of the liquid-phase crude chloroethylene buffer tank;
chloroethylene recovery tank, the heating pipe has been installed to the inside of chloroethylene recovery tank, chloroethylene recovery tank upper portion is provided with the thermometer, nitrogen gas entry and chloroethylene recovery port have still been seted up on the upper portion of chloroethylene recovery tank, the upside of chloroethylene recovery port is connected with the chloroethylene and retrieves the subassembly, first manometer and pressure regulating valve are installed in proper order to the upside of chloroethylene recovery subassembly, chloroethylene recovery unit's the other end is connected at chloroethylene recovery tank upside, the middle part of chloroethylene recovery tank is provided with waste water conveyor, first level gauge and second manometer have been installed in proper order to waste water conveyor's upside, the downside of chloroethylene recovery tank is provided with exhaust port and waste water outlet, waste water conveyor's one.
Optionally, the lower side of the water accumulation bag is connected with a discharge port, the upper side of the chloroethylene recovery tank is provided with a feed inlet, a chloroethylene wastewater conveying pipe is connected between the discharge port and the feed inlet, and the upper side of the chloroethylene wastewater conveying pipe is provided with a viewing mirror.
Optionally, an opening is formed in the upper side of the liquid-phase crude vinyl chloride buffer tank, and a feeding valve pipeline is arranged in the opening.
Optionally, a second liquid level meter is arranged on one side of the liquid-phase crude chloroethylene buffer tank.
Optionally, the liquid-phase crude vinyl chloride buffer tank is further provided with a pipe body at the lower side, and the pipe body is located at one side of the partition plate.
Optionally, the lower side of the heating pipe is provided with a self-heating water inlet, and the upper side of the heating pipe is provided with a water outlet.
Drawings
Fig. 1 is a schematic diagram of a system structure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
Referring to fig. 1, in the present embodiment, a novel high-efficiency vinyl chloride recycling apparatus is provided, including a liquid-phase crude vinyl chloride buffer tank 1, a partition plate 20 is disposed inside the liquid-phase crude vinyl chloride buffer tank 1, and a water accumulation bag 19 is disposed below the liquid-phase crude vinyl chloride buffer tank 1;
The application of one aspect of the embodiment is as follows: in use, the system is powered on: when the chloroethylene production is started, the device system is completely replaced by nitrogen to be qualified (the nitrogen and the oxygen are less than or equal to 0.4 percent), and the device has feeding conditions.
Normal production: when liquid phase chloroethylene enters the crude chloroethylene buffer tank 1, the chloroethylene can turn over the partition plate to reach the outlet of the chloroethylene buffer tank along with the rise of the liquid level, and when the liquid level is more than 30%, the chloroethylene can be used in the subsequent process; along with the rise of the liquid level and the corresponding prolongation of the standing time, water in vinyl chloride can be enriched in a water accumulation bag at the lower part of the buffer tank, the water in the water accumulation bag is discharged at regular time (1 time/2 hours), during the water discharging operation, the water in the water accumulation bag is confirmed to be completely discharged through an observation sight glass in the vinyl chloride-containing wastewater conveying system 2, the amount of hot water in the heating system 4 is controlled by the wastewater discharged into the vinyl chloride recovery tank 3, the top temperature of the recovery tank reaches 65 ℃, the pressure in the vinyl chloride recovery component 5 can rise under the action of the heating component 4, when the pressure rises to 50kPa, a pressure regulating valve in the recovery component can be automatically opened, and vinyl chloride is conveyed to a gas cabinet through a pipeline. When the temperature of the recovery tank is stabilized at 65 ℃ and the pressure of the top of the recovery tank is less than or equal to 50kPa, the pressure regulating valve can be automatically closed, namely vinyl chloride in the wastewater is completely desorbed, the wastewater is sent out of a boundary area through the wastewater conveying system 6, the wastewater conveying regulating valve and the liquid level of the recovery tank are controlled in an interlocking manner, and when the liquid level is less than or equal to 20%, the regulating valve is automatically closed, namely, the wastewater and the vinyl chloride are completely recycled.
Parking: when the system stops, the hot water inlet valve in the heating system 4 is confirmed to be closed, when the temperature and the pressure reach the limit values, the system valve can be automatically closed, and the system automatically stops.
When the chloroethylene production is started, the device system is completely replaced by nitrogen to be qualified (nitrogen contains oxygen and is less than or equal to 0.4%), and when liquid-phase chloroethylene enters the crude chloroethylene buffer tank 1, the chloroethylene can turn over the partition plate to reach a chloroethylene outlet along with the rise of the liquid level, so that the chloroethylene can be used in the subsequent process. The water in the vinyl chloride is enriched in the water accumulation bag at the lower part of the buffer tank, the water in the water accumulation bag is discharged at regular time (1 time/2 hours), during the water discharging operation, the water in the water accumulation bag is completely discharged through an observation sight glass in the vinyl chloride-containing wastewater conveying system 2, the hot water amount in the heating system 4 is controlled to ensure that the temperature at the top of the recovery tank reaches 65 ℃, the pressure in the vinyl chloride recovery assembly 5 is increased under the action of the heating assembly 4, when the pressure is increased to 50kPa, a pressure regulating valve in the recovery assembly is automatically opened, and the vinyl chloride is conveyed to a gas cabinet through a pipeline. When the temperature of the recovery tank is stabilized at 65 ℃ and the pressure of the top of the recovery tank is less than or equal to 50kPa, the pressure regulating valve can be automatically closed, namely vinyl chloride in the wastewater is completely desorbed, the wastewater is sent out of a boundary area through the wastewater conveying system 6, the wastewater conveying regulating valve and the liquid level of the recovery tank are controlled in an interlocking manner, and when the liquid level is less than or equal to 20%, the regulating valve is automatically closed, namely, the wastewater and the vinyl chloride are completely recycled.
In one aspect of the present embodiment, a discharge port 22 is connected to a lower side of the water accumulation bag 19, a feed port 7 is provided to an upper side of the vinyl chloride recovery tank 3, a vinyl chloride waste water conveying pipe 2 is connected between the discharge port 22 and the feed port 7, and a viewing mirror 23 is provided to an upper side of the vinyl chloride waste water conveying pipe 2.
In one aspect of this embodiment, the liquid phase crude vinyl chloride buffer tank 1 is opened at its upper side with a feed valve pipe 18 installed therein.
In one aspect of the present embodiment, one side of the liquid-phase crude vinyl chloride buffer tank 1 is provided with a second level gauge 21.
In one aspect of this embodiment, the liquid-phase crude vinyl chloride buffer tank 1 is further provided with a pipe at a lower side thereof, and the pipe is located at one side of the partition plate 20.
In one aspect of the present embodiment, the lower side of the heating pipe 4 is provided with a hot water inlet, and the upper side of the heating pipe 4 is provided with a water outlet.
The above embodiments may be combined with each other.
It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have an actual order or meaning, and the present application is not limited thereto.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A novel high-efficient chloroethylene is retrieved device which characterized in that includes:
the device comprises a liquid-phase crude chloroethylene buffer tank (1), wherein a partition plate (20) is arranged inside the liquid-phase crude chloroethylene buffer tank (1), and a water collecting bag (19) is arranged on the lower side of the liquid-phase crude chloroethylene buffer tank (1);
a chloroethylene recovery tank (3), a heating pipe (4) is arranged inside the chloroethylene recovery tank (3), a thermometer (14) is arranged on the upper part of the chloroethylene recovery tank (3), a nitrogen inlet (8) and a chloroethylene recovery port (9) are also formed in the upper part of the chloroethylene recovery tank (3), a chloroethylene recovery component (5) is connected to the upper side of the chloroethylene recovery port (9), a first pressure gauge (16) and a pressure regulating valve (15) are sequentially installed on the upper side of the chloroethylene recovery component (5), the other end of the chloroethylene recovery component (5) is connected to the upper side of the chloroethylene recovery tank (3), a wastewater conveying device (6) is arranged in the middle of the chloroethylene recovery tank (3), a first liquid level gauge (12) and a second pressure gauge (13) are sequentially installed on the upper side of the wastewater conveying device (6), an exhaust port (11) and a wastewater, one end of the waste water conveying device (6) is connected with the upper side of the waste water outlet (10).
2. The novel high-efficiency vinyl chloride recovery device as claimed in claim 1, wherein the lower side of the water collecting bag (19) is connected with a discharge port (22), the upper side of the vinyl chloride recovery tank (3) is provided with a feed port (7), a vinyl chloride waste water conveying pipe (2) is connected between the discharge port (22) and the feed port (7), and the upper side of the vinyl chloride waste water conveying pipe (2) is provided with a sight glass (23).
3. The new high efficiency vinyl chloride recovery device as claimed in claim 1, wherein the upper side of the liquid phase crude vinyl chloride buffer tank (1) is opened, and the opening is provided with a feeding valve pipeline (18).
4. A novel high efficiency vinyl chloride recovery apparatus as claimed in claim 1, wherein a second level gauge (21) is provided at one side of the liquid phase crude vinyl chloride buffer tank (1).
5. A novel high efficiency vinyl chloride recovery apparatus as claimed in claim 1, wherein the liquid phase crude vinyl chloride buffer tank (1) is further provided with a pipe at the lower side thereof, and the pipe is located at one side of the partition plate (20).
6. The new high efficiency vinyl chloride recovery device as claimed in claim 1, wherein the lower side of the heating pipe (4) is provided with a self-heating water inlet, and the upper side of the heating pipe (4) is provided with a water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021959518.5U CN213253128U (en) | 2020-09-09 | 2020-09-09 | Novel high-efficient chloroethylene is retrieved device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021959518.5U CN213253128U (en) | 2020-09-09 | 2020-09-09 | Novel high-efficient chloroethylene is retrieved device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213253128U true CN213253128U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021959518.5U Active CN213253128U (en) | 2020-09-09 | 2020-09-09 | Novel high-efficient chloroethylene is retrieved device |
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| CN (1) | CN213253128U (en) |
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2020
- 2020-09-09 CN CN202021959518.5U patent/CN213253128U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220531 Address after: 737100 No.1 Lanzhou Road, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Chemical New Materials Co.,Ltd. Address before: 737100 Beijing Road, Jinchang City, Gansu Province Patentee before: JINCHUAN GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |