CN210728730U - Bromoethane crude product collecting system - Google Patents
Bromoethane crude product collecting system Download PDFInfo
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- CN210728730U CN210728730U CN201921619114.9U CN201921619114U CN210728730U CN 210728730 U CN210728730 U CN 210728730U CN 201921619114 U CN201921619114 U CN 201921619114U CN 210728730 U CN210728730 U CN 210728730U
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- bromoethane
- spiral pipe
- condenser
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Abstract
The utility model discloses a bromoethane crude product collecting system, which relates to the technical field of bromoethane production, and comprises a condenser, a water chilling unit and a circulating water tank, wherein the water inlet of the condenser is connected with the water outlet of the water chilling unit, the water inlet of the water chilling unit is connected with the water outlet of the circulating water tank, and the water outlet of the condenser is connected with the water inlet of the circulating water tank; the feed inlet of the condenser is used for being connected with a crude product outlet of the distillation tower, the discharge outlet of the condenser is connected with a feed inlet of a gas-liquid separator, a gas outlet of the gas-liquid separator is connected with a tail gas treatment device, and a liquid outlet of the gas-liquid separator is connected with a storage tank. The utility model provides an among the prior art technical problem that bromoethane crude recovery rate is low, the utility model discloses realize that continuation, the efficient of bromoethane crude are retrieved, reduced the finished product waste in the bromoethane synthetic process, improved economic benefits, simultaneously the utility model discloses still have simple structure, low cost's characteristics.
Description
Technical Field
The utility model relates to a bromoethane production technical field, in particular to bromoethane crude collection system.
Background
In the process of synthesizing the bromoethane, raw materials are fed into a distillation tower while crude bromoethane is evaporated, the crude bromoethane is obtained by passing through the distillation tower and then cooling into liquid by a condenser, in the process of cooling the condenser, because the boiling point of the bromoethane is lower (38.5 ℃), a first-stage cooling system cannot completely cool gaseous bromoethane into liquid, and part of the gaseous bromoethane enters a high-exhaust tail gas treatment system along with waste gas, so that the material waste is caused, and the recovery rate of the bromoethane is low and is only about 94%.
Disclosure of Invention
To above defect, the utility model aims at providing a bromoethane crude collection system aims at solving the technical problem that bromoethane crude rate of recovery is low among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that:
a bromoethane crude product collecting system comprises a condenser, a water chilling unit and a circulating water tank, wherein a water inlet of the condenser is connected with a water outlet of the water chilling unit, a water inlet of the water chilling unit is connected with a water outlet of the circulating water tank, and a water outlet of the condenser is connected with a water inlet of the circulating water tank; the feed inlet of the condenser is used for being connected with a crude product outlet of the distillation tower, the discharge outlet of the condenser is connected with a feed inlet of a gas-liquid separator, a gas outlet of the gas-liquid separator is connected with a tail gas treatment device, and a liquid outlet of the gas-liquid separator is connected with a storage tank.
Wherein, a bromoethane crude collection system still includes the heat exchange sleeve pipe, and the heat exchange sleeve pipe includes first spiral pipe and second spiral pipe, and the feed inlet of condenser is connected the one end mouth of first spiral pipe, and the other end of spiral pipe is connected in the crude export of distillation column, and gapped the cup jointing in the outside of first spiral pipe of second spiral pipe, and a port of second spiral pipe is through taking pump pipe to connect in the water inlet of circulating water tank, and another port of second spiral pipe is connected in the delivery port of circulating water tank.
Wherein, the first spiral pipe is vertically arranged, and the top port of the first spiral pipe is connected with a crude product outlet of the distillation tower.
The heat exchange sleeve further comprises a connecting plate, and the two sides of the connecting plate in the width direction are fixedly connected to the inner wall of the first spiral pipe and the outer wall of the second spiral pipe respectively.
Wherein, the connecting plate is the copper board, and one side of copper board is sealed the inside of pegging graft to first spiral pipe.
Wherein, the copper is equipped with four, and four copper evenly set up around first spiral pipe.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses bromoethane crude collection system includes condenser, cooling water set and circulating water tank, the water inlet of condenser is connected the delivery port of cooling water set, and the water inlet of cooling water set is connected the delivery port of circulating water tank, and the delivery port of condenser is connected the water inlet of circulating water tank; the feed inlet of the condenser is used for being connected with a crude product outlet of the distillation tower, the discharge outlet of the condenser is connected with a feed inlet of a gas-liquid separator, a gas outlet of the gas-liquid separator is connected with a tail gas treatment device, and a liquid outlet of the gas-liquid separator is connected with a storage tank. Make the heat exchange tube assembly of cooling water set, circulating water tank and condenser pass through the pipe connection and become a cold water circulating system, lead to the cold water set with the circulating water continuation, accurate control at a low temperature state to lasting and gaseous bromoethane heat exchange in the condenser, thereby the realization lasts the efficient liquefaction to gaseous bromoethane, thereby has improved the liquefaction rate of bromoethane crude, has promoted the rate of recovery of bromoethane crude promptly.
Because the crude collection system of bromoethane still includes the heat exchange sleeve pipe, the heat exchange sleeve pipe includes first spiral pipe and second spiral pipe, and the feed inlet of condenser is connected the one end mouth of first spiral pipe, and the other end of spiral pipe is connected in the crude export of distillation column, and gapped the cup jointing in the outside of first spiral pipe of second spiral pipe, the one end mouth of second spiral pipe is through taking pump pipe to connect in circulating water tank's water inlet, and another port of second spiral pipe is connected in circulating water tank's delivery port. Preliminary cooling is carried out to the crude through heat exchange sleeve pipe for can rapid cooling after the crude gets into the condenser, improve the liquefaction efficiency of bromoethane.
Because heat exchange sleeve pipe still includes the connecting plate, the connecting plate along width direction's both sides rigid coupling respectively on the inner wall of first spiral pipe and the outer wall of second spiral pipe, realize the fixed connection of first spiral pipe and second spiral pipe through the connecting plate to improve heat exchange sleeve pipe's whole mechanical strength.
Because the connecting plate is the copper, the inside of one side sealed the pegging graft to first spiral pipe of copper realizes that bromoethane crude in the first spiral pipe can be more quick, the efficient heat exchange with the circulating water in the second spiral pipe.
To sum up, the utility model provides an among the prior art technical problem that bromoethane crude recovery rate is low, the utility model discloses realize that continuation, the efficient of bromoethane crude are retrieved, reduced the finished product waste in the bromoethane synthetic process, improved economic benefits, simultaneously the utility model discloses still have simple structure, low cost's characteristics.
Drawings
Fig. 1 is a system schematic diagram of a first embodiment of a crude bromoethane collection system of the present invention;
FIG. 2 is a system schematic diagram of an embodiment II of the crude bromoethane collection system of the present invention;
FIG. 3 is a schematic diagram of the construction of the heat exchange sleeve of FIG. 2;
FIG. 4 is a cross-sectional view of a section of the heat exchange jacket of FIG. 3.
In the figure, a condenser 1, a water chilling unit 2, a circulating water tank 3, a gas-liquid separator 4, a tail gas treatment device 5, a storage tank 6, a heat exchange sleeve 7, a first spiral pipe 70, a second spiral pipe 71 and a connecting plate 72.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The directions referred to in the description are all based on the directions of the component devices of the crude bromoethane collection system of the present invention during normal operation, and the directions of the component devices during storage and transportation are not limited, and only represent relative positional relationships, but not absolute positional relationships.
The first embodiment is as follows:
as shown in fig. 1, a, comprises a condenser 1, a water chilling unit 2, a circulating water tank 3, a gas-liquid separator 4 and a storage tank, wherein a water inlet of the condenser 1 is connected with a water outlet of the water chilling unit 2, a water inlet of the water chilling unit 2 is connected with a water outlet of the circulating water tank 3, and a water outlet of the condenser 1 is connected with a water inlet of the circulating water tank 3; the feed inlet of the condenser 1 is connected with a crude product outlet of the distillation tower, the discharge outlet of the condenser 1 is connected with a feed inlet of a gas-liquid separator 4, a gas outlet of the gas-liquid separator 4 is connected with a tail gas treatment device 5, a liquid outlet of the gas-liquid separator 4 is connected with a storage tank 6, crude products are continuously input into the condenser 1 through the crude product outlet by the distillation tower, a water chilling unit 2, a circulating water tank 3 and a heat exchange tube assembly of the condenser 1 are connected into a cold water circulating system through pipelines, the circulating water is continuously and accurately controlled to be in a low-temperature state through the water chilling unit 2, the low-temperature circulating water enters the heat exchange tube assembly of the condenser 1 and continuously exchanges heat with the crude products entering the condenser 1, so that the temperature of the crude products is reduced, bromoethane gas in the crude products is liquefied, the liquefied bromoethane is separated from non-condensable gas through, liquefied bromoethane enters a storage tank 6 to realize the recovery of the bromoethane, and the recovery rate of the bromoethane reaches 97.91%.
Example two:
the difference between the first embodiment and the first embodiment is that, as shown in fig. 2 and fig. 3, a heat exchange sleeve 7 is connected between the distillation tower and the condenser 1, the heat exchange sleeve 7 is used for performing preliminary cooling on the crude product, so that the crude product can be rapidly cooled after entering the condenser 1, the liquefaction efficiency of the bromoethane in the crude product is improved, the heat exchange sleeve 7 includes a first spiral pipe 70 and a second spiral pipe 71, the first spiral pipe 70 is vertically arranged, and the top port of the first spiral pipe 70 is connected with the crude product outlet of the distillation tower. The feed inlet of the condenser 1 is connected with one port of a first spiral pipe 70, the other end of the spiral pipe is connected with a crude product outlet of the distillation tower, a second spiral pipe 71 is sleeved outside the first spiral pipe 70 with a gap, one port of the second spiral pipe 71 is connected with a water inlet of the circulating water tank 3 through a pipeline with a pump, the other end of the second spiral pipe 71 is connected with a water outlet of the circulating water tank 3, crude products enter through a feed inlet at the top of the first spiral pipe 70, and finally discharged through a bottom discharge port of the first spiral pipe 70, a water pump with a pump pipeline continuously pumps the water in the circulating water tank 3 into the second spiral pipe 71, water fills the gap between the first helical tube 70 and the second helical tube 71, and continues to exchange heat with the raw product conveyed in the first helical tube 70, thereby taking away part of the heat of the crude product in the first helical tube 70 and realizing the primary cooling of the crude product.
As shown in fig. 4, the heat exchange sleeve 7 further includes a connecting plate 72, two sides of the connecting plate 72 along the width direction are respectively fixed on the inner wall of the first spiral pipe 70 and the outer wall of the second spiral pipe 71, and the connecting plate 72 is used for fixing the first spiral pipe 70 and the second spiral pipe 71. The connection plate 72 is preferably a copper plate having a good thermal conductivity, and one side of the copper plate is hermetically inserted into the inside of the first spiral pipe 70. The copper is equipped with four, and four copper evenly set up around first spiral pipe 70 for four copper can not produce the influence of obvious hindrance to the transport of circulating water in second spiral pipe 71, through four copper, realize that the bromoethane crude in first spiral pipe 70 and the circulating water in the second spiral pipe 71 can be quick more, efficient heat exchange.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (6)
1. A bromoethane crude product collecting system is characterized by comprising a condenser, a water chilling unit and a circulating water tank, wherein a water inlet of the condenser is connected with a water outlet of the water chilling unit, a water inlet of the water chilling unit is connected with a water outlet of the circulating water tank, and a water outlet of the condenser is connected with a water inlet of the circulating water tank; the feed inlet of condenser is used for connecting the crude product export of distillation column, the discharge gate of condenser is connected with vapour and liquid separator's feed inlet, vapour and liquid separator's gas outlet connection tail gas processing apparatus, vapour and liquid separator's liquid outlet connection storage tank.
2. The crude bromoethane collection system as recited in claim 1, further comprising a heat exchange sleeve, wherein the heat exchange sleeve comprises a first spiral pipe and a second spiral pipe, the feed inlet of the condenser is connected to a port of the first spiral pipe, the other end of the spiral pipe is connected to the crude product outlet of the distillation tower, the second spiral pipe is sleeved outside the first spiral pipe with a gap, a port of the second spiral pipe is connected to the water inlet of the circulating water tank through a pipeline with a pump, and another port of the second spiral pipe is connected to the water outlet of the circulating water tank.
3. The crude bromoethane collection system as recited in claim 2, wherein the first spiral pipe is vertically disposed, and a top port of the first spiral pipe is connected to a crude product outlet of the distillation tower.
4. The crude bromoethane collection system as recited in claim 2, wherein the heat exchange sleeve further comprises a connecting plate, and two sides of the connecting plate along the width direction are respectively and fixedly connected to the inner wall of the first spiral pipe and the outer wall of the second spiral pipe.
5. The crude bromoethane collection system of claim 4 wherein the connecting plate is a copper plate, one side of the copper plate being sealingly inserted into the interior of the first spiral tube.
6. The crude bromoethane collection system of claim 5 wherein there are four of said copper plates, said four copper plates being evenly disposed around said first spiral tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619114.9U CN210728730U (en) | 2019-09-26 | 2019-09-26 | Bromoethane crude product collecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619114.9U CN210728730U (en) | 2019-09-26 | 2019-09-26 | Bromoethane crude product collecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210728730U true CN210728730U (en) | 2020-06-12 |
Family
ID=70983753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921619114.9U Expired - Fee Related CN210728730U (en) | 2019-09-26 | 2019-09-26 | Bromoethane crude product collecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210728730U (en) |
-
2019
- 2019-09-26 CN CN201921619114.9U patent/CN210728730U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |