CN213965178U - Automatic retrieve ethanol evaporative concentration system of lime set - Google Patents
Automatic retrieve ethanol evaporative concentration system of lime set Download PDFInfo
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- CN213965178U CN213965178U CN202022251507.8U CN202022251507U CN213965178U CN 213965178 U CN213965178 U CN 213965178U CN 202022251507 U CN202022251507 U CN 202022251507U CN 213965178 U CN213965178 U CN 213965178U
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Abstract
The utility model discloses an automatic retrieve ethanol evaporative concentration system of lime set belongs to chemical equipment technical field, include: a raw material liquid preheating system that preheats the raw material liquid; an evaporation concentration system that evaporates the preheated raw material liquid and condenses the evaporated gas; the vacuum system is connected with the evaporation and concentration system and condenses the alcohol gas into liquid; the automatic liquid discharge system comprises a normal-pressure condensate storage tank, a liquid level meter and an automatic pneumatic valve, wherein one end of the normal-pressure condensate storage tank is connected with a vacuum system, and the other end of the normal-pressure condensate storage tank is connected with an evaporation concentration system. The utility model discloses a connect the ordinary pressure lime set storage tank in circulation liquid storage tank overflow opening department to install level gauge, automatic pneumatic valve additional, when the condensate of ordinary pressure lime set storage tank when setting for the liquid level, automatic pneumatic valve is opened, and the condensate is under the effect of pressure differential, by the ordinary pressure lime set storage tank discharge to the vacuum lime set storage tank in, reduced volatilizing of artificial expenditure and ethanol from this.
Description
Technical Field
The utility model belongs to the technical field of chemical equipment, concretely relates to automatic retrieve ethanol evaporative concentration system of lime set.
Background
In the existing flow of falling film evaporation concentration of ethanol water, part of alcohol gas enters a vacuum system after the vacuum system pumps air, the part of alcohol gas needs to be discharged manually after being condensed in the vacuum system, and the manual discharge of the condensed liquid causes ethanol and manual waste due to small amount of the condensed liquid and many discharge times.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided an ethanol evaporative concentration system that can retrieve the condensate automatically.
The purpose of the utility model can be realized by the following technical proposal:
an ethanol evaporation concentration system capable of automatically recovering condensate comprises:
a raw material liquid preheating system that preheats the raw material liquid;
an evaporation concentration system that evaporates the preheated raw material liquid and condenses the evaporated gas;
the vacuum system is connected with the evaporation and concentration system and condenses the alcohol gas into liquid;
automatic flowing back system, it includes ordinary pressure lime set storage tank, level gauge and automatic pneumatic valve, ordinary pressure lime set storage tank one end with vacuum system is connected, the other end with the evaporative concentration system is connected, the level gauge with ordinary pressure lime set storage tank is connected, automatic pneumatic valve is installed and is connected ordinary pressure lime set storage tank with on the pipeline of evaporative concentration system.
As a further improvement of the utility model, the evaporative concentration system is including the falling film evaporator, the vacuum condensate storage tank, the separation chamber, first compressor, the second compressor that connect gradually, the second compressor pass through the gas storage tank with one side at falling film evaporator top is connected.
As the utility model discloses a further improvement, the raw material liquid system of preheating is including raw material liquid entry, charge pump, heat exchanger, circulating pump, the pre-heater that connects gradually, and the raw material liquid after preheating is followed falling film evaporator top gets into.
As a further improvement of the utility model, the bottom of the vacuum condensate storage tank is connected with a condensate discharge port through a condensate pump and the heat exchanger.
As a further improvement of the utility model, the bottom of the separation chamber is connected with a concentrated solution discharge port through a concentrated solution pump and a concentrated solution valve in sequence.
As a further improvement of the present invention, the vacuum system is connected to the second compressor through a vacuum valve.
As a further improvement of the present invention, the vacuum system further comprises a liquid ring vacuum pump connected to the vacuum valve, and the liquid ring vacuum pump is connected to the circulating liquid storage tank.
As a further improvement, the one end of the normal pressure condensate storage tank is connected with the circulating liquid storage tank, and the other end is connected with the vacuum condensate storage tank.
As a further improvement of the utility model, the circulation liquid storage tank is cooled by cooling water, just the circulation liquid storage tank still is connected with the noncondensable gas vent.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an overflow mouth department at vacuum system's circulation liquid storage tank increases the ordinary pressure lime set storage tank to install the level gauge additional, be connected with the vacuum lime set storage tank among the evaporative concentration system behind the automatic pneumatic valve, when the condensate of ordinary pressure lime set storage tank accumulated to setting for the liquid level, the automatic pneumatic valve will be opened automatically, the condensate can be under the effect of pressure differential, discharge to the vacuum lime set storage tank in by the ordinary pressure lime set storage tank, the volatilization of artifical expenditure and ethanol has been reduced from this.
Drawings
Fig. 1 is a flow chart of a preferred embodiment of the present invention.
In the figure, 100, a raw material liquid preheating system; 110. a feed solution inlet; 120. a feed pump; 130. a heat exchanger; 140. a circulation pump; 150. a preheater; 200. an evaporative concentration system; 210. a falling film evaporator; 220. a vacuum condensate storage tank; 221. a condensate pump; 222. a condensate discharge port; 230. a separation chamber; 231. a concentrated liquid pump; 232. a concentrate valve; 233. discharging the concentrated solution; 240. a first compressor; 250. a second compressor; 260. a gas storage tank; 300. a vacuum system; 310. a vacuum valve; 320. a liquid ring vacuum pump; 330. a circulating liquid storage tank; 331. an overflow port; 340. a cooling water inlet; 341. a cooling water outlet; 350. an exhaust port; 400. an automatic drainage system; 410. a normal pressure condensate storage tank; 420. a liquid level meter; 430. an automatic pneumatic valve.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the utility model provides an automatic retrieve ethanol evaporative concentration system of lime set, include: a raw material liquid preheating system 100, an evaporation concentration system 200, a vacuum system 300 and an automatic liquid drainage system 400.
The raw material liquid preheating system 100 preheats the raw material liquid, and the preheated raw material liquid is more beneficial to the subsequent evaporation work.
The evaporation and concentration system 200 evaporates the preheated raw material liquid, separates the evaporated alcohol gas from the raw material liquid, and separately condenses the alcohol gas after separation to obtain a concentrated solution and a condensate, and discharges the concentrated solution and the condensate from separate discharge ports.
The vacuum system 300 is connected with the evaporation and concentration system 200, the vacuum system 300 extracts air from the evaporation and concentration system 200, in the process, the extracted air carries alcohol gas, and the vacuum system 300 is used for condensing the alcohol gas into liquid serving as circulating liquid for the subsequent process of circularly adding the circulating liquid into the evaporation and concentration system 200 again for evaporation and concentration.
The automatic liquid discharge system 400 comprises an atmospheric condensate storage tank 410, a liquid level meter 420 and an automatic pneumatic valve 430, wherein one end of the atmospheric condensate storage tank 410 is connected with the vacuum system 300, and the other end of the atmospheric condensate storage tank is connected with the evaporation concentration system 200, wherein the liquid level meter 420 is connected with the atmospheric condensate storage tank 410, the automatic pneumatic valve 430 is installed on a pipeline between the atmospheric condensate storage tank 410 and the evaporation concentration system 200, the vacuum system 300 can condense alcohol gas extracted from the evaporation concentration system 200, and when circulating liquid obtained after condensation in the vacuum system 300 is accumulated to a certain degree, the circulating liquid can automatically overflow from an overflow port 331.
Wherein, because the ordinary pressure condensate storage tank 410 in this embodiment is connected with this overflow mouth 331, the circulating fluid will enter into this ordinary pressure condensate storage tank 410, and this ordinary pressure condensate storage tank 410 installs level gauge 420 additional, when the circulating fluid in the ordinary pressure condensate storage tank 410 accumulated to setting for the liquid level, automatic pneumatic valve 430 will open automatically, because its evaporation concentration system 200 of connecting is the vacuum state, therefore the circulating fluid in the ordinary pressure condensate storage tank 410 will flow into the evaporation concentration system 200 automatically under the effect of pressure differential, the circulation carries out above-mentioned evaporation, the process of concentrating, thereby reduced artifical expenditure and the volatilization of ethanol.
Preferably, the raw material liquid preheating system 100 comprises a raw material liquid inlet 110, a feed pump 120, a heat exchanger 130, a circulating pump 140 and a preheater 150 which are connected in sequence, the preheated raw material liquid enters from the top of the falling film evaporator 210, the raw material liquid is preheated for the first time at the heat exchanger 130 and is preheated for the second time when passing through the preheater 150, and the raw material liquid can be directly added into the evaporation concentration system 200 for the next operation after being preheated.
Preferably, the evaporation concentration system 200 comprises a falling-film evaporator 210, a vacuum condensate storage tank 220, a separation chamber 230, a first compressor 240 and a second compressor 250 which are connected in sequence, the second compressor 250 is connected with one side of the top of the falling-film evaporator 210 through a gas storage tank 260, because the falling-film evaporator 210 has a hot shell and a cold tube layer, after the preheated raw material liquid enters from the top of the falling-film evaporator 210, the raw material liquid uniformly flows downwards along the shell under the induction of gravity and vacuum, and is heated and vaporized by the shell in the flowing process, the generated alcohol gas and the material liquid enter the separation chamber 230 together, and the separation chamber 230 continues to evaporate the alcohol gas inside along with the gradual rise of the temperature, and then the alcohol gas can be discharged from the top of the separation chamber 230 and sequentially passes through the first compressor 240 and the second compressor 250, so that the alcohol gas is compressed to a saturated state, the alcohol gas in the saturated state enters the cold pipe layer from one side of the top of the falling film evaporator 210 through the gas storage tank 260, and at the moment, the alcohol gas can be condensed under the action of low temperature and becomes condensate to enter the vacuum condensate storage tank 220 at the bottom.
Further, as the feed liquid in the separation chamber 230 is continuously heated and evaporated, the concentration of the feed liquid is continuously increased, and when the concentration of the feed liquid is increased to a certain degree, the feed liquid can be discharged from the bottom of the separation chamber 230 as a concentrated liquid, and sequentially passes through the concentrated liquid pump 231 and the concentrated liquid valve, and finally is discharged from the concentrated liquid discharge port 233.
Similarly, as the condensate in the vacuum condensate tank 220 is accumulated, the condensate may finally pass through the condensate pump 221 and the heat exchanger 130 from the bottom of the vacuum condensate tank 220 and be discharged from the condensate outlet 222.
Preferably, the vacuum system 300 is connected to the second compressor 250 through the vacuum valve 310, and as the evaporative condensation system is continuously operated in a circulating manner, the air therein is gradually increased, and the air needs to be pumped out to maintain the vacuum state inside the evaporative condensation system, so that the air is pumped out from the second compressor 250 through the vacuum valve 310, and the air is pumped into the vacuum system 300 along with alcohol gas.
Preferably, the vacuum system 300 further includes a liquid ring vacuum pump 320 connected to the vacuum valve 310, the liquid ring vacuum pump 320 is connected to a circulation liquid storage tank 330, air and alcohol gas pumped by the vacuum valve 310 enter the liquid ring vacuum pump 320 for condensation, and the condensed liquid is discharged into the circulation liquid storage tank 330 as circulation liquid; in addition, the circulation liquid storage tank 330 further condenses a part of alcohol gas in the circulation liquid storage tank 330 by flowing cooling water from the cooling water inlet 340 and flowing the cooling water out of the cooling water outlet 341 after passing through the circulation liquid storage tank 330, and the circulation liquid storage tank 330 is connected with an exhaust port 350 for exhausting non-condensable gas, so that the circulation liquid automatically flows out of the overflow port 331 of the circulation liquid storage tank 330 after accumulating to a certain level in the circulation liquid storage tank 330.
Further preferably, one end of the normal pressure condensate storage tank 410 is connected to the circulating liquid storage tank 330, and the other end is connected to the vacuum condensate storage tank 220, after the circulating liquid flows out from the overflow port 331 of the circulating liquid storage tank 330, the circulating liquid flows into the normal pressure condensate storage tank 410 from the pipeline, and similarly, when the circulating liquid in the normal pressure condensate storage tank 410 is accumulated to the liquid level set by the liquid level gauge 420, the automatic pneumatic valve 430 is automatically opened along with the circulating liquid, at this time, the pipeline between the normal pressure condensate storage tank 410 and the vacuum condensate storage tank 220 is conducted, and the circulating liquid in the normal pressure condensate storage tank 410 is discharged into the vacuum condensate storage tank 220 under the action of pressure difference, that is, the embodiment can play a role of automatically controlling liquid discharge according to the liquid level through the added automatic liquid discharge system 400, thereby reducing the manual expenditure, and the automatic liquid discharge system 400 is sealed, and simultaneously reducing the volatilization of ethanol.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme formed by the arbitrary combination of the technical characteristics. The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides an automatic retrieve ethanol evaporative concentration system of lime set which characterized in that includes:
a raw material liquid preheating system that preheats the raw material liquid;
an evaporation concentration system that evaporates the preheated raw material liquid and condenses the evaporated gas;
the vacuum system is connected with the evaporation and concentration system and condenses the alcohol gas into liquid;
automatic flowing back system, it includes ordinary pressure lime set storage tank, level gauge and automatic pneumatic valve, ordinary pressure lime set storage tank one end with vacuum system is connected, the other end with the evaporative concentration system is connected, the level gauge with ordinary pressure lime set storage tank is connected, automatic pneumatic valve is installed ordinary pressure lime set storage tank with on the pipeline between the evaporative concentration system.
2. The ethanol evaporation and concentration system capable of automatically recovering condensate according to claim 1, wherein the evaporation and concentration system comprises a falling-film evaporator, a vacuum condensate storage tank, a separation chamber, a first compressor and a second compressor which are connected in sequence, and the second compressor is connected with one side of the top of the falling-film evaporator through a gas storage tank.
3. The ethanol evaporation and concentration system capable of automatically recovering condensate according to claim 2, wherein the raw material liquid preheating system comprises a raw material liquid inlet, a feeding pump, a heat exchanger, a circulating pump and a preheater which are sequentially connected, and the preheated raw material liquid enters from the top of the falling film evaporator.
4. The ethanol evaporation and concentration system capable of automatically recovering condensate according to claim 3, wherein a condensate discharge port is connected to the bottom of the vacuum condensate storage tank through a condensate pump and the heat exchanger.
5. The ethanol evaporation and concentration system capable of automatically recovering condensate according to claim 2, wherein the bottom of the separation chamber is connected with a concentrated solution discharge port sequentially through a concentrated solution pump and a concentrated solution valve.
6. The system for evaporating and concentrating ethanol with automatic condensate recovery function according to claim 4, wherein the vacuum system is connected with the second compressor through a vacuum valve.
7. The ethanol evaporation and concentration system capable of automatically recovering condensate according to claim 6, further comprising a liquid ring vacuum pump connected with the vacuum valve, wherein the liquid ring vacuum pump is connected with a circulating liquid storage tank.
8. The system of claim 7, wherein the atmospheric condensate storage tank is connected to the circulating liquid storage tank at one end and the vacuum condensate storage tank at the other end.
9. The system of claim 7, wherein the circulating liquid storage tank is cooled by cooling water, and the circulating liquid storage tank is further connected with a non-condensable gas exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022251507.8U CN213965178U (en) | 2020-10-12 | 2020-10-12 | Automatic retrieve ethanol evaporative concentration system of lime set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022251507.8U CN213965178U (en) | 2020-10-12 | 2020-10-12 | Automatic retrieve ethanol evaporative concentration system of lime set |
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| Publication Number | Publication Date |
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| CN213965178U true CN213965178U (en) | 2021-08-17 |
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| CN202022251507.8U Active CN213965178U (en) | 2020-10-12 | 2020-10-12 | Automatic retrieve ethanol evaporative concentration system of lime set |
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| CN (1) | CN213965178U (en) |
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- 2020-10-12 CN CN202022251507.8U patent/CN213965178U/en active Active
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