CN218076437U - Rectification raffinate recovery unit in tetrachloroethylene production - Google Patents
Rectification raffinate recovery unit in tetrachloroethylene production Download PDFInfo
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- CN218076437U CN218076437U CN202222244113.9U CN202222244113U CN218076437U CN 218076437 U CN218076437 U CN 218076437U CN 202222244113 U CN202222244113 U CN 202222244113U CN 218076437 U CN218076437 U CN 218076437U
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Abstract
The utility model provides a rectification raffinate recovery unit in tetrachloroethylene production belongs to tetrachloroethylene rectification raffinate and retrieves technical field. The rectification raffinate recovery device in tetrachloroethylene production comprises an installation structure and a recovery structure. The mounting structure comprises a fixed tank and a support piece, wherein the fixed tank is fixed on the support piece; retrieve the structure including taking off light piece, first rectification piece and third rectification piece, be provided with second rectification piece between first rectification piece and the third rectification piece, the bottom of third rectification piece is provided with the fourth rectification subassembly, take off light piece including taking off light jar, first rectification piece includes first rectification jar, second rectification piece includes second rectification jar, third rectification piece includes third rectification jar, the heater is all installed to the bottom of second rectification jar, third rectification jar and fourth rectification jar. The utility model discloses the structure is too compact relatively, saves occupation space area, is convenient for use rectification raffinate recovery unit.
Description
Technical Field
The utility model relates to a technical field is retrieved to tetrachloroethylene rectification raffinate, particularly, relates to a rectification raffinate recovery unit in tetrachloroethylene production.
Background
Tetrachloroethylene is an organic compound, is colorless liquid, is insoluble in water, can be dissolved in most organic solvents such as ethanol, diethyl ether, chloroform and the like, is mainly used as an organic solvent and a dry cleaning agent, can also be used as a solvent of an adhesive, a degreasing solvent of metal, a drying agent, a paint remover, an insect repellent and a fat extractant, can also be used for organic synthesis, and rectification residual liquid needs to be recovered in the production of tetrachloroethylene.
Chinese patent No. CN205907200U provides a recovery system of rectification raffinate in tetrachloroethylene production, which comprises a light component removal tower, a first rectification tower, a second rectification tower and a third rectification tower; a kettle bottom liquid outlet of the lightness-removing tower is connected with a feed inlet of the lightness-removing tower, a kettle bottom liquid outlet of the lightness-removing tower is connected with a feed inlet of the first rectifying tower, the kettle bottom liquid outlet of the first rectifying tower is connected with the feed inlet of the second rectifying tower, and the kettle bottom liquid outlet of the second rectifying tower is connected with the feed inlet of the third rectifying tower. The problem that useful components in a conventional heavy component concentration and recovery system are large in discharge loss and large in residual liquid treatment capacity can be effectively solved, tetrachloroethylene in the heavy components can be effectively recovered, and hexachloroethane products can be fully separated, so that loss is reduced, cost is reduced, and income is increased.
Although the problem that useful components in the concentrated recovery system of conventional heavy ends discharge and lose greatly, the raffinate handling capacity is big can be effectively solved in the above patent, the rectification raffinate recovery device structure is too dispersed, and occupation space is great, is not convenient for use rectification raffinate recovery device.
SUMMERY OF THE UTILITY MODEL
In order to compensate above not enough, the utility model provides a rectification raffinate recovery unit in tetrachloroethylene production aims at improving rectification raffinate recovery unit in tetrachloroethylene production, and overall structure is too dispersed, the great problem of occupation space.
The utility model discloses a realize like this:
the utility model provides a rectification raffinate recovery unit in tetrachloroethylene production, including mounting structure and recovery structure.
The mounting structure comprises a fixed tank and a support piece, and the fixed tank is fixed on the support piece; retrieve the structure including taking off light piece, first rectification piece and third rectification piece, be provided with second rectification piece between first rectification piece and the third rectification piece, the bottom of third rectification piece is provided with fourth rectification subassembly, take off light piece including taking off light jar, first rectification piece includes first rectification jar, second rectification piece includes second rectification jar, third rectification piece includes third rectification jar, fourth rectification subassembly includes fourth rectification jar, take off light jar, first rectification jar, second rectification jar, third rectification jar and fourth rectification jar and all be located the inside of fixed jar, the heater is all installed to the bottom of second rectification jar, third rectification jar and fourth rectification jar.
In an embodiment of the present invention, the supporting member includes a supporting plate and a supporting leg, the fixing tank is fixed on the supporting plate, the supporting leg is fixed on the bottom of the supporting plate, and a bottom plate is fixed on the bottom of the supporting leg.
The utility model discloses an in the embodiment, multistage filter is all installed to the inside of taking off light jar, first rectification jar, second rectification jar, third rectification jar and fourth rectification jar, take off the top of light jar, first rectification jar, second rectification jar, third rectification jar and fourth rectification jar and install one-way electromagnetic exhaust valve, one-way electromagnetic exhaust valve output is connected with the blast pipe.
The utility model discloses an in an embodiment, one-way electromagnetism delivery valve is all installed to the bottom of taking off light jar, first rectification jar, second rectification jar, third rectification jar and fourth rectification jar, the connecting pipe is installed to the bottom of one-way electromagnetism delivery valve.
The utility model discloses an in one embodiment, the externally mounted of fourth rectification jar has the condensation piece, the condensation piece includes the condenser, the condenser cup joints the outside of fourth rectification jar, the both sides of condenser are connected with inlet tube and drain pipe respectively.
The utility model discloses an in one embodiment, the top of fixed jar is installed and is added the material piece, add the material piece including adding the material pump, the input tube and the output tube that add the material pump are connected with inlet pipe and pipe respectively, the end connection of pipe is on taking off light jar.
In an embodiment of the present invention, the liquid discharging member is installed at the bottom of the fourth rectifying component, the liquid discharging member includes a liquid discharging pipe, and a liquid discharging valve is installed at one side of the liquid discharging pipe.
The utility model has the advantages that: the utility model discloses an above-mentioned design obtains a rectification raffinate recovery unit in tetrachloroethylene production, during the use, because the multistage rectification jar in the recovery structure is all installed in the fixed retort, make rectification raffinate recovery unit compact structure, occupation space area is less, convenient to use rectification raffinate recovery unit, adopt multistage rectification can carry out abundant rectification separation to rectification raffinate in the tetrachloroethylene production, improve the quality that rectification raffinate recovery separated in the tetrachloroethylene production, the condensing member of adoption can carry out the rapid condensation to the liquid of gasification in the fourth rectification jar, then liquid passes through the fluid-discharge tube and discharges.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of a rectification raffinate recovery device in tetrachloroethylene production according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of a fixed tank of a rectification residual liquid recovery device in tetrachloroethylene production according to an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of a rectification tank of a rectification raffinate recovery device in tetrachloroethylene production according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rectification tank of a rectification raffinate recovery device in tetrachloroethylene production provided by the embodiment of the utility model.
In the figure: 100-a mounting structure; 110-a stationary tank; 120-a support; 121-a support disk; 122-support legs; 123-a bottom plate; 200-a recovery structure; 210-removing light parts; 211-light component removing tank; 220-a first rectification member; 221-a first rectification tank; 230-a second rectification member; 231-a second rectification tank; 240-third rectification part; 241-a third rectifying tank; 250-a fourth rectification component; 251-a fourth rectification tank; 252-a multi-stage filter plate; 253-one-way electromagnetic exhaust valve; 254-an exhaust pipe; 255-one-way electromagnetic delivery valve; 256-connecting pipe; 257 — a condensing member; 2571-a condenser; 2572-water inlet pipe; 2573-a drain pipe; 258-a heater; 260-adding parts; 261-a feeding pump; 262-feeding pipe; 263-a conduit; 270-a drain; 271-drain pipe; 272-drain valve.
Detailed Description
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a rectification raffinate recovery device in tetrachloroethylene production comprises an installation structure 100 and a recovery structure 200.
Referring to fig. 1 and 2, the mounting structure 100 includes a fixing tank 110 and a supporting member 120, and the fixing tank 110 is fixed on the supporting member 120.
The supporter 120 includes a support plate 121 and a support leg 122, the stationary tank 110 is fixed on the support plate 121, the support leg 122 is fixed at the bottom of the support plate 121, and a bottom plate 123 is fixed at the bottom of the support leg 122.
Referring to fig. 1 to 4, the recycling structure 200 includes a light component removal part 210, a first rectification part 220 and a third rectification part 240, a second rectification part 230 is disposed between the first rectification part 220 and the third rectification part 240, a fourth rectification component 250 is disposed at the bottom of the third rectification part 240, the light component removal part 210 includes a light component removal tank 211, a multistage filter plate 252 in the light component removal tank 211 performs light component removal processing, then the liquid at the bottom enters the first rectification tank 221 through a connecting pipe 256, the first rectification part 220 includes a first rectification tank 221, the second rectification part 230 includes a second rectification tank 231, the third rectification part 240 includes a third rectification tank 241, the fourth rectification component 250 includes a fourth rectification tank 251, the light component removal tank 211, the first rectification tank 221, the second rectification tank 231, the third rectification tank 241 and the fourth rectification tank 251 are all located inside the fixed tank 110, the multistage rectification tanks are all installed in the fixed tank 110, the compact structure enables the third rectification tank 241 and the fourth rectification tank 241 to occupy a smaller area, and the heater is convenient for heating the third rectification tank 231, and the third rectification tank 241.
The inside of the light component removal tank 211, the first rectifying tank 221, the second rectifying tank 231, the third rectifying tank 241 and the fourth rectifying tank 251 are all provided with a multistage filter plate 252, the rectifying residual liquid in the tetrachloroethylene production is subjected to light component removal treatment and then sequentially passes through the second rectifying tank 231, the third rectifying tank 241 and the fourth rectifying tank 251 to be subjected to multistage treatment, the rectifying residual liquid in the tetrachloroethylene production can be fully rectified and separated by adopting multistage rectification, the quality of rectifying residual liquid recovery and separation in the tetrachloroethylene production is improved, the light component removal tank 211, the first rectifying tank 221, the second rectifying tank 231, the third rectifying tank 241 and the fourth rectifying tank 251 are provided with a one-way electromagnetic exhaust valve 253 at the top, the output end of the one-way electromagnetic exhaust valve 253 is connected with an exhaust pipe 254, the bottom of the light component removal tank 211, the first rectifying tank 221, the second rectifying tank 231, the third rectifying tank 241 and the fourth rectifying tank 251 are all provided with an electromagnetic one-way delivery valve 255, and the bottom of the one-way electromagnetic delivery valve 255 is provided with a connecting pipe 256.
The externally mounted of fourth rectification jar 251 has condensing element 257, condensing element 257 includes condenser 2571, condenser 2571 can carry out the rapid condensation to the liquid of gasification in the fourth rectification jar 251, condenser 2571 cup joints the outside at fourth rectification jar 251, and the both sides of condenser 2571 are connected with inlet tube 2572 and drain pipe 2573 respectively, and inlet tube 2572 and drain pipe 2573 carry liquid reduction fourth rectification jar 251 temperature in the case condenser 2571 respectively.
Add material 260 is installed at the top of fixed jar 110, add material 260 including adding material pump 261, add material pump 261 and carry the rectification raffinate in the tetrachloroethylene production to in lightness-removing tank 211, the input tube and the output tube of adding material pump 261 are connected with inlet pipe 262 and pipe 263 respectively, the end connection of pipe 263 is on lightness-removing tank 211, flowing back piece 270 is installed to the bottom of fourth rectification subassembly 250, flowing back piece 270 includes drain pipe 271, flowing back valve 272 is installed to one side of drain pipe 271, it has drain valve 272 to open, the liquid that obtains through the drain pipe 271 drainage to condense in fourth rectification tank 251.
Specifically, the working principle of the rectification raffinate recovery device in the production of tetrachloroethylene is as follows: during the use, be connected to inlet pipe 262 on the rectification raffinate pipeline in the tetrachloroethylene production, then start material feeding pump 261, material feeding pump 261 carries rectification raffinate to in the lightness-removing tank 211 in the tetrachloroethylene production, multistage filter 252 in lightness-removing tank 211 carries out lightness-removing treatment, then the liquid of bottom passes through connecting pipe 256 and enters into first rectification tank 221, then loop through second rectification tank 231, third rectification tank 241 and fourth rectification tank 251 carry out multistage processing, adopt multistage rectification can carry out abundant rectification separation to rectification raffinate in the tetrachloroethylene production, improve the quality that rectification raffinate recovery separated in the tetrachloroethylene production, start heater 258 simultaneously, heater 258 can heat when handling in second rectification tank 231, third rectification tank 241 and fourth rectification tank 251, because the multistage rectification tank in the recovery structure 200 all installs in fixed tank 110, make the rectification raffinate recovery unit compact structure, the occupation space area is less, be convenient for use the rectification raffinate recovery unit, the condensation spare 257 that adopts in the outside of fourth rectification tank 251 can carry out the liquid through the flowing back pipe of condensation in the fourth rectification tank 251 fast gasification, then discharge pipe 271 gasifies.
It should be noted that the specific model specifications of the feeding pump 261, the one-way electromagnetic exhaust valve 253, the one-way electromagnetic delivery valve 255 and the heater 258 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
The power supply and the principle of the dosing pump 261, the one-way solenoid exhaust valve 253, the one-way solenoid delivery valve 255 and the heater 258 are clear to the skilled person and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A device for recovering rectification raffinate in tetrachloroethylene production is characterized by comprising
A mounting structure (100), the mounting structure (100) comprising a stationary tank (110) and a support (120), the stationary tank (110) being fixed to the support (120);
retrieve structure (200), retrieve structure (200) including taking off light piece (210), first rectification piece (220) and third rectification piece (240), be provided with second rectification piece (230) between first rectification piece (220) and third rectification piece (240), the bottom of third rectification piece (240) is provided with fourth rectification subassembly (250), take off light piece (210) including taking off light jar (211), first rectification piece (220) includes first rectification jar (221), second rectification piece (230) includes second rectification jar (231), third rectification piece (240) includes third rectification jar (241), fourth rectification subassembly (250) includes fourth rectification jar (251), take off light jar (211), first rectification jar (221), second rectification jar (231), third rectification jar (241) and fourth rectification jar (251) and all are located fixed jar (110) inside, the bottom of second rectification jar (231) and fourth rectification jar (251) all install the bottom of second rectification jar (258).
2. The apparatus for recovering a rectification residue in the production of tetrachloroethylene according to claim 1, wherein said support member (120) comprises a support plate (121) and support legs (122), said holding tank (110) is fixed on said support plate (121), said support legs (122) are fixed on the bottom of said support plate (121), and bottom plates (123) are fixed on the bottom of said support legs (122).
3. The device for recovering the rectification residual liquid in the production of tetrachloroethylene according to claim 1, wherein a plurality of stages of filter plates (252) are arranged in the light component removal tank (211), the first rectification tank (221), the second rectification tank (231), the third rectification tank (241) and the fourth rectification tank (251), the top of the light component removal tank (211), the first rectification tank (221), the top of the second rectification tank (231), the top of the third rectification tank (241) and the top of the fourth rectification tank (251) are provided with one-way electromagnetic exhaust valves (253), and the output end of the one-way electromagnetic exhaust valves (253) is connected with an exhaust pipe (254).
4. The device for recovering the rectification residual liquid in the production of tetrachloroethylene according to claim 1, wherein the bottoms of the light component removal tank (211), the first rectification tank (221), the second rectification tank (231), the third rectification tank (241) and the fourth rectification tank (251) are respectively provided with a one-way electromagnetic transfer valve (255), and the bottom of the one-way electromagnetic transfer valve (255) is provided with a connecting pipe (256).
5. The device for recovering the rectification residual liquid in the production of tetrachloroethylene according to claim 1, wherein a condenser (257) is installed outside the fourth rectification tank (251), the condenser (257) comprises a condenser (2571), the condenser (2571) is sleeved outside the fourth rectification tank (251), and both sides of the condenser (2571) are respectively connected with a water inlet pipe (2572) and a water outlet pipe (2573).
6. The device for recovering the rectification residual liquid in the production of tetrachloroethylene according to claim 1, wherein the top of the fixed tank (110) is provided with a material adding part (260), the material adding part (260) comprises a material adding pump (261), an input pipe and an output pipe of the material adding pump (261) are respectively connected with a feeding pipe (262) and a guide pipe (263), and the end part of the guide pipe (263) is connected with the light component removal tank (211).
7. The apparatus for recovering raffinate from tetrachloroethylene production according to claim 1, wherein the bottom of the fourth rectification unit (250) is provided with a drain (270), the drain (270) comprises a drain pipe (271), and one side of the drain pipe (271) is provided with a drain valve (272).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222244113.9U CN218076437U (en) | 2022-08-25 | 2022-08-25 | Rectification raffinate recovery unit in tetrachloroethylene production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222244113.9U CN218076437U (en) | 2022-08-25 | 2022-08-25 | Rectification raffinate recovery unit in tetrachloroethylene production |
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| CN218076437U true CN218076437U (en) | 2022-12-20 |
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| CN202222244113.9U Active CN218076437U (en) | 2022-08-25 | 2022-08-25 | Rectification raffinate recovery unit in tetrachloroethylene production |
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- 2022-08-25 CN CN202222244113.9U patent/CN218076437U/en active Active
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