CN117398711A - Condensing and separating system for removing light components - Google Patents
Condensing and separating system for removing light components Download PDFInfo
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- CN117398711A CN117398711A CN202311727446.XA CN202311727446A CN117398711A CN 117398711 A CN117398711 A CN 117398711A CN 202311727446 A CN202311727446 A CN 202311727446A CN 117398711 A CN117398711 A CN 117398711A
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- Prior art keywords
- condenser
- heat exchange
- sealing plate
- exchange tube
- lactone
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- 239000007789 gas Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 150000002596 lactones Chemical class 0.000 claims abstract description 20
- 238000009833 condensation Methods 0.000 claims abstract description 19
- 230000005494 condensation Effects 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 11
- 239000007859 condensation product Substances 0.000 claims 2
- 230000008676 import Effects 0.000 claims 2
- 238000003795 desorption Methods 0.000 claims 1
- 239000007792 gaseous phase Substances 0.000 claims 1
- 239000012071 phase Substances 0.000 claims 1
- 239000002912 waste gas Substances 0.000 abstract description 54
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 abstract description 34
- 238000000034 method Methods 0.000 abstract description 16
- 239000002351 wastewater Substances 0.000 abstract description 10
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010992 reflux Methods 0.000 abstract description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 229930188620 butyrolactone Natural products 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0012—Vertical tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0036—Multiple-effect condensation; Fractional condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a condensation separation system for removing light components, which belongs to the field of light component removal and comprises a lactone negative pressure tower, a first condenser and a second condenser, wherein a top outlet of the lactone negative pressure tower is connected with a top inlet of the first condenser through a pipeline, a product condensed in the first condenser is conveyed to the interior of the lactone negative pressure tower through a reflux pump from a bottom outlet, a gas phase outlet on one side surface of the condenser is connected with a top inlet of the second condenser through a gas guide pipe, and a product condensed in the second condenser is conveyed through a extraction pump from the bottom outlet. The invention solves the problem of overhigh content of lactone in the wastewater at the top of the tower in the gamma-butyrolactone rectification process, completely removes light components tetrahydrofuran and water, increases the time of heat exchange between the waste gas and the circulating water through the condenser in the condensation process, improves the heat exchange effect, reduces the condensation time of the waste gas, and can more quickly meet the preset waste gas discharge temperature, thereby improving the working efficiency.
Description
Technical Field
The invention relates to the field of light component removal, in particular to a condensation separation system for light component removal.
Background
In the process of removing light components in the chemical industry, the light components are usually carried out in a rectifying tower with negative pressure, and the separated light components enter a vacuum system of the rectifying tower. At present, in the process of rectifying gamma-butyrolactone by utilizing a negative pressure tower, waste water generated by the gamma-butyrolactone is generally directly discharged, but the waste water generated by the gamma-butyrolactone belongs to industrial pollutants after all, if the waste water is directly discharged, the living environment of people is destroyed, the physical health of people is seriously threatened, and meanwhile, the content of gamma-butyrolactone in the discharged waste water is too high, so that the gamma-butyrolactone product is wasted, so that the invention provides a condensation separation system for removing light components.
Disclosure of Invention
The invention mainly aims to provide a condensation separation system for removing light components, which solves the problem of overhigh content of lactone in wastewater at the top of a tower in the gamma-butyrolactone rectification process, completely removes light components tetrahydrofuran and water, increases the flow path of waste gas by utilizing the mutual coordination between heat exchange pipes in the condensation process, increases the heat exchange time of the waste gas and circulating water, improves the heat exchange effect, and pre-cools the waste gas just entering, thereby reducing the cooling pressure of a third heat exchange pipe, reducing the condensation time of the waste gas, being capable of more quickly conforming to the preset waste gas discharge temperature and improving the working efficiency.
In order to achieve the aim, the invention provides a condensation and separation system for removing light components, which comprises a lactone negative pressure tower, a first condenser and a second condenser, wherein the top outlet of the lactone negative pressure tower is connected with the top inlet of the first condenser through a pipeline, products condensed in the first condenser are conveyed to the inside of the lactone negative pressure tower through a reflux pump from the bottom outlet, the gas phase outlet on one side of the condenser is connected with the top inlet of the second condenser through a gas guide pipe, and products condensed in the second condenser are conveyed through a extraction pump from the bottom outlet.
Preferably, the flow of the circulating water inlet pipe in the first condenser is interlocked with the gas phase temperature in the gas guide pipe, the set interlocking temperature for introducing the gas guide pipe is lower than 45 ℃, and the vacuum degree of the circulating water inlet pipe in the first condenser is-0.09 Mpa.
Preferably, the water temperature in the frozen water inlet pipe in the second condenser is 0 ℃, and the water temperature in the frozen water outlet pipe in the second condenser is 5 ℃.
The invention has the advantages that: firstly, in order to remove tetrahydrofuran and water in a lactone negative pressure tower and simultaneously ensure that very low gamma-butyrolactone is contained in wastewater at the top of the tower, two condensers are adopted for condensation, the first condenser adopts circulating water for cooling, the flow of a circulating water inlet pipe and the gas phase temperature in the gas guide pipe are interlocked, the temperature cannot be excessively high, if the temperature is excessively high, gamma-butyrolactone can enter the second condenser along with the gas phase, the vacuum degree of the circulating water inlet pipe in the first condenser is-0.09 Mpa through the set interlocking temperature of the gas guide pipe is lower than 45 ℃, so that the content of butyrolactone in the gas phase is lower than 5%, the inlet temperature of chilled water is 0 ℃ and the outlet temperature is 5 ℃ after the gas phase enters the second condenser, the light components are completely condensed, the gamma-butyrolactone content in the wastewater is lower than 5%, and the product waste is avoided;
secondly, the waste gas entering the condenser I enters the third heat exchange tube from the through hole of the unconnected U-shaped heat exchange tube, the waste gas is condensed by using circulating water, so that condensed water is generated, the through hole formed in the lower sealing plate enters the bottom cover, part of the waste gas enters the second heat exchange tube through the one-way valve tube in the process that the waste gas passes through the third heat exchange tube, and the steam generated by the boiling point of liquid is generated due to the generation of the gas, so that the waste gas entering the second heat exchange tube moves upwards along the second heat exchange tube, the flow path of the waste gas is increased, the heat exchange time of the waste gas and the circulating water is prolonged, and the heat exchange effect is improved;
then, the temperature of the exhaust gas which is still in the gas state after cooling is lower than that of the exhaust gas which is just entered, so that the exhaust gas which is still in the gas state after cooling flows into the U-shaped heat exchange tube, and the exhaust gas which is just entered is subjected to preliminary heat exchange cooling through the U-shaped heat exchange tube, so that the exhaust gas which is just entered is pre-cooled, and the cooling pressure of the third heat exchange tube is reduced;
finally, along with the continuous entering of the waste gas, the waste gas can fill the whole condenser, meanwhile, as the third heat exchange tube is used as a main waste gas flow tube, the waste gas at the upper end always has an exhaust pressure from top to bottom in the continuous entering process of the waste gas at the upper end, in the invention, only the third heat exchange tube is used as the main waste gas flow tube, the second heat exchange tube and the first heat exchange tube are used as flow tubes for increasing paths, and the exhaust pressure from top to bottom is not generated, so the waste gas entering the bottom cover can float up from the bottoms of the second heat exchange tube and the first heat exchange tube to enter the interior of the second heat exchange tube, thereby the waste gas is condensed again, the condensation time of the waste gas is reduced, the preset waste gas discharging temperature can be more quickly met, and the working efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the invention and are not to be construed as unduly limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall flow structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the condenser of the present invention.
Fig. 3 is a schematic view of the overall structure of the heat exchange assembly of the present invention.
Fig. 4 is a schematic view of a heat exchange assembly according to the present invention.
In the above figures, 1, a lactone negative pressure column; 2. a reflux pump; 3. a first condenser; 31. a top cover; 311. an inlet tube; 32. cooling the cylinder; 321. a liquid inlet pipe; 322. a liquid outlet pipe; 323. a lower sealing plate; 324. a first heat exchange tube; 325. a second heat exchange tube; 326. a one-way valve tube; 327. a third heat exchange tube; 328. an upper sealing plate; 329. a through hole; 3210. u-shaped heat exchange tubes; 33. a bottom cover; 331. an exhaust pipe; 332. a discharge pipe; 4. a second condenser; 5. and (5) extracting the pump.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present invention with reference to the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present invention and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1, the embodiment provides a condensation separation system for removing light components, which comprises a lactone negative pressure tower 1, a first condenser 3 and a second condenser 4, wherein the top outlet of the lactone negative pressure tower 1 is connected with the top inlet of the first condenser 3 through a pipeline, products condensed in the first condenser 3 are conveyed to the inside of the lactone negative pressure tower 1 through a reflux pump 2 from the bottom outlet, the gas phase outlet on the side surface of the first condenser 3 is connected with the top inlet of the second condenser 4 through a gas guide pipe, and products condensed in the second condenser 4 are conveyed through a extraction pump 5 from the bottom outlet.
The above description:
in the treatment process of the waste gas at the top of the lactone negative pressure tower 1, the waste gas at the top of the tower is discharged into the condenser I3 through a pipeline for first cooling, a product condensed in the condenser I3 is conveyed to the lactone negative pressure tower 1 through a reflux pump 2 from a bottom outlet, meanwhile, the product in a gas phase state after the first cooling is led into the condenser II 4 through an air duct for second cooling, and the product condensed in the condenser II 4 is conveyed through a extraction pump 5 from the bottom outlet.
In this embodiment, the flow of the circulating water inlet pipe in the first condenser 3 is interlocked with the gas phase temperature inside the gas guide pipe, the set interlocking temperature for introducing the gas guide pipe is lower than 45 ℃, the vacuum degree of the circulating water inlet pipe in the first condenser 3 is-0.09 Mpa, the first condenser 3 is cooled by adopting circulating water, the flow of the circulating water inlet pipe is interlocked with the gas phase temperature inside the gas guide pipe, the temperature cannot be excessively high, if the temperature is excessively high, gamma-butyrolactone can be caused to enter the second condenser 4 along with the gas phase, the vacuum degree of the circulating water inlet pipe in the first condenser 3 is-0.09 Mpa by introducing the set interlocking temperature for introducing the gas guide pipe is lower than 45 ℃, and therefore the gamma-butyrolactone content in the gas phase is ensured to be lower than 5%.
In this embodiment, the water temperature inside the chilled water inlet pipe in the second condenser 4 is 0 ℃, and the water temperature inside the chilled water outlet pipe in the second condenser 4 is 5 ℃, so that the light components are completely condensed, the lactone content in the wastewater is ensured to be lower than 5%, and the waste of products is avoided.
To sum up:
in order to remove tetrahydrofuran and water in the lactone negative pressure column 1 and simultaneously ensure that the waste gas at the top of the column contains very low gamma-butyrolactone, two condensers are used for condensation. The condenser I3 adopts circulating water for cooling, the flow of a circulating water inlet pipe is interlocked with the gas phase temperature in the gas guide pipe, the temperature cannot be too high, if the temperature is too high, gamma-butyrolactone can enter the condenser II 4 along with the gas phase, the vacuum degree of the circulating water inlet pipe in the condenser I3 is minus 0.09Mpa by leading the set interlocking temperature of the gas guide pipe to be lower than 45 ℃, so that the gamma-butyrolactone content in the gas phase is ensured to be lower than 5%, after the gas phase enters the condenser II 4, the chilled water inlet temperature is 0 ℃ and the outlet temperature is 5 ℃, thereby completely condensing light components, ensuring the gamma-butyrolactone content in waste water to be lower than 5%, and avoiding product waste.
Referring to fig. 2-4, in this embodiment, the first condenser 3 and the second condenser 4 each include a cooling cylinder 32 at a middle position, and a top cover 31 and a bottom cover 33 fixedly connected to the upper and lower ends of the cooling cylinder 32 by bolts, wherein the top of the top cover 31 is connected with an inlet pipe 311, the upper and lower ends of the side surface of the cooling cylinder 32 are respectively connected with a liquid inlet pipe 321 and a liquid outlet pipe 322, the bottom end of the bottom cover 33 is connected with a discharge pipe 332, and the top of the side surface of the bottom cover 33 is connected with an exhaust pipe 331, which is described herein, the exhaust pipe 331 on the first condenser 3 is connected with an air duct, and the exhaust pipe 331 on the second condenser 4 is closed by a valve, and the interior of the cooling cylinder 32 is equipped with a heat exchange component.
As shown in fig. 3 and 4, in the present embodiment, the heat exchange assembly includes an upper sealing plate 328 and a lower sealing plate 323 fixed at the upper and lower ends of the inner side of the cooling cylinder 32, through holes 329 are uniformly distributed on the upper sealing plate 328 and the lower sealing plate 323 along the circumferential direction thereof, the through holes 329 are arranged in an array form in synchronization with the center points of the upper sealing plate 328 and the lower sealing plate 323, a third heat exchange tube 327, a second heat exchange tube 325 and a first heat exchange tube 324 are uniformly connected at the positions of the through holes 329 between the upper sealing plate 328 and the lower sealing plate 323 by taking the upper sealing plate 328 and the lower sealing plate 323 as the center, a check valve tube 326 is uniformly connected between the third heat exchange tube 327 and the second heat exchange tube 325 along the height direction thereof, a U-shaped heat exchange tube 3210 is connected between the through holes 329 at the top of the upper sealing plate 328 and corresponding to the second heat exchange tube 325 and the first heat exchange tube 324, the waste gas entering the condenser one 3 firstly enters the third heat exchange tube 327 from the through hole 329 of the unconnected U-shaped heat exchange tube 3210, condensate water is generated by condensing the waste gas by using circulating water, and enters the bottom cover 33 from the through hole 329 formed on the lower sealing plate 323, part of the waste gas enters the second heat exchange tube 325 through the one-way valve tube 326 in the process that the waste gas passes through the third heat exchange tube 327, and the waste gas entering the second heat exchange tube 325 moves upwards along the second heat exchange tube 325 because the gas is generated by the steam generated by the boiling point of liquid, thereby increasing the flow path of the waste gas, increasing the heat exchange time of the waste gas and the circulating water, improving the heat exchange effect, and simultaneously, compared with the waste gas just entering the waste gas, the waste gas still in a gas state after cooling has low temperature, therefore, after the exhaust gas still in the gas state after cooling flows into the U-shaped heat exchange tube 3210, the exhaust gas just entering is subjected to preliminary heat exchange cooling through the U-shaped heat exchange tube 3210, so that the cooling pressure of the third heat exchange tube 327 is reduced, the exhaust gas can fill the whole condenser along with the continuous entering of the exhaust gas, meanwhile, the third heat exchange tube 327 is used as a main exhaust gas flow tube, and the exhaust gas at the upper end always has an exhaust gas pressure from top to bottom in the continuous entering process of the exhaust gas at the upper end.
In this embodiment, the check valve tube 326 is formed by a catheter and a check valve assembly on the catheter.
To sum up:
the circulating water is introduced from the liquid inlet pipe 321 and discharged from the liquid outlet pipe 322, so that the circulating water condenses the gas introduced into the heat exchange assembly in the cooling cylinder 32, and then the waste gas introduced into the condenser one 3 from the inlet pipe 311 is cooled for the first time, the waste gas introduced into the condenser one 3 is introduced into the third heat exchange pipe 327 from the through hole 329 of the unconnected U-shaped heat exchange pipe 3210, the condensed water is generated by condensing the waste gas by the circulating water, and the condensed water is introduced into the bottom cover 33 from the through hole 329 opened in the lower sealing plate 323, part of the waste gas is introduced into the second heat exchange pipe 325 through the check valve pipe 326 in the process of passing the waste gas through the third heat exchange pipe 327, and the waste gas introduced into the second heat exchange pipe 325 moves upward along the second heat exchange pipe 325 due to the steam generated by the boiling point of the liquid, therefore, the flow path of the waste gas is increased, the heat exchange time of the waste gas and the circulating water is increased, the heat exchange effect is improved, meanwhile, compared with the waste gas just entering, the waste gas still in the gas state after cooling is utilized, the temperature is lower, therefore, after flowing into the U-shaped heat exchange tube 3210, the waste gas just entering is subjected to preliminary heat exchange cooling through the U-shaped heat exchange tube 3210, the waste gas just entering is pre-cooled, the cooling pressure of the third heat exchange tube 327 is reduced, the whole condenser is filled with the waste gas along with the continuous entering of the waste gas, and meanwhile, the third heat exchange tube 327 is used as a main waste gas flow tube, and the waste gas at the upper end always has an exhaust pressure from top to bottom in the third heat exchange tube 327 (in the following description: in the state of the art, in the present invention, only the third heat exchange tube 327 is used as the main exhaust flow tube, the second heat exchange tube 325 and the first heat exchange tube 324 are used as the flow tubes of the increasing path, and no exhaust pressure from top to bottom is used, so that the exhaust gas entering the bottom cover 33 floats up from the bottom ends of the second heat exchange tube 325 and the first heat exchange tube 324 to enter the bottom cover 33, and the exhaust gas is condensed again, so that the condensation time of the exhaust gas is reduced, the preset exhaust gas discharging temperature can be met more quickly, the working efficiency is improved, and the working flow of the condenser two 4 is the same as that of the condenser one 3.
Claims (6)
1. The utility model provides a condensation separation system for light component desorption, includes lactone negative pressure tower (1), condenser one (3) and condenser two (4), its characterized in that, the top export of lactone negative pressure tower (1) is connected with the top import of condenser one (3) through the pipeline to will the inside condensation product of condenser one (3) is carried to the inside of lactone negative pressure tower (1) through backwash pump (2) by the bottom export, the gaseous phase export of condenser one (3) side is connected with the top import of condenser two (4) through the air duct, and will the inside condensation product of condenser two (4) is carried through extraction pump (5) by the bottom export.
2. The condensation separation system for removing light components according to claim 1, wherein the flow rate of the circulating water inlet pipe in the first condenser (3) is interlocked with the gas phase temperature inside the gas guide pipe, the set interlocking temperature for introducing the gas guide pipe is lower than 45 ℃, and the vacuum degree of the circulating water inlet pipe in the first condenser (3) is-0.09 Mpa.
3. The condensation and separation system for light component removal according to claim 1, wherein the water temperature inside the chilled water inlet pipe in the second condenser (4) is 0 ℃ and the water temperature inside the chilled water outlet pipe in the second condenser (4) is 5 ℃.
4. The condensation separation system for removing light components according to claim 1, wherein the first condenser (3) and the second condenser (4) comprise a cooling cylinder (32) at a middle position, a top cover (31) and a bottom cover (33) which are fixedly connected with each other through bolts at the upper end and the lower end of the cooling cylinder (32), wherein an inlet pipe (311) is connected with the top of the top cover (31), a liquid inlet pipe (321) and a liquid outlet pipe (322) are respectively connected with the upper end and the lower end of the side surface of the cooling cylinder (32), a discharge pipe (332) is connected with the bottom end of the bottom cover (33), an exhaust pipe (331) is connected with the top of the side surface of the bottom cover (33), and a heat exchange component is assembled inside the cooling cylinder (32).
5. The condensation separation system for removing light components according to claim 4, wherein the heat exchange assembly comprises an upper sealing plate (328) and a lower sealing plate (323) fixed at the upper end and the lower end inside the cooling cylinder (32), through holes (329) are distributed on the upper sealing plate (328) and the lower sealing plate (323) at equal intervals along the circumferential direction of the upper sealing plate (328) and the lower sealing plate (323), center points of the upper sealing plate (328) and the lower sealing plate (323) are arranged in an array mode synchronously, a third heat exchange tube (327), a second heat exchange tube (325) and a first heat exchange tube (324) are connected at equal intervals on the center of the through holes (329) between the upper sealing plate (328) and the lower sealing plate (323), a one-way valve tube (326) is connected between the third heat exchange tube (327) and the second heat exchange tube (325) at equal intervals along the height direction of the upper sealing plate (328) and a U-shaped heat exchange tube (3210) is connected between the second heat exchange tube (325) and the corresponding through holes (324).
6. A condensate separation system for light ends removal as claimed in claim 5, wherein said check valve tube (326) is formed by a conduit and a check valve assembly mounted to the conduit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311727446.XA CN117398711B (en) | 2023-12-15 | 2023-12-15 | Condensing and separating system for removing light components |
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|---|---|---|---|
| CN202311727446.XA CN117398711B (en) | 2023-12-15 | 2023-12-15 | Condensing and separating system for removing light components |
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| CN117398711A true CN117398711A (en) | 2024-01-16 |
| CN117398711B CN117398711B (en) | 2024-02-27 |
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| CN219693668U (en) * | 2023-05-05 | 2023-09-15 | 武汉丰玉梅花制冷科技有限公司 | Cooling device of refrigerator |
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| CN117398711B (en) | 2024-02-27 |
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