CN212882374U - Device for reducing discharge amount of vent steam of ethyl methyl carbonate hot water recovery tank - Google Patents
Device for reducing discharge amount of vent steam of ethyl methyl carbonate hot water recovery tank Download PDFInfo
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- CN212882374U CN212882374U CN202021016931.8U CN202021016931U CN212882374U CN 212882374 U CN212882374 U CN 212882374U CN 202021016931 U CN202021016931 U CN 202021016931U CN 212882374 U CN212882374 U CN 212882374U
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- hot water
- recovery tank
- pipeline
- water recovery
- air cooler
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000011084 recovery Methods 0.000 title claims abstract description 50
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000008236 heating water Substances 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a device for reducing the discharge amount of vent steam of a hot water recovery tank of ethyl methyl carbonate. The technical scheme is as follows: the bottom of the reaction tower is connected to the bottom of a tower bottom reboiler through a pipeline, the upper side of the tower bottom reboiler is connected to a steam generator through a pipeline, the lower side of the tower bottom reboiler is connected to an incoming water regulating valve through a pipeline and is continuously connected to the upper part of a hot water recovery tank through a pipeline; an air cooler is arranged above the hot water recovery tank, and an outlet of the air cooler is connected to a trench through a pipeline; the bottom of the hot water recovery tank is connected to a water heater pump through a pipeline, and is connected to raw heating water, filter water and heating water through pipelines. The beneficial effects are that: the air cooler with larger contact area is arranged at the top of the hot water recovery tank, and the cooling rate can reach more than 95 percent under the auxiliary action of the fan, so that the problems of equipment corrosion, energy waste, environmental pollution and the like caused by overlarge steam discharge of a trench are avoided.
Description
Technical Field
The utility model relates to a methyl ethyl carbonate apparatus for producing, in particular to reduce device of ethyl methyl carbonate hot water recovery tank unloading steam discharge amount.
Background
In a methyl ethyl carbonate production device, a certain reaction temperature is needed, the reaction temperature is provided by steam through a tower bottom reboiler, hot water from the tower bottom reboiler is collected to a hot water recovery tank, and due to the fact that the return water temperature (90-110 ℃) is high, a large amount of steam generated after entering the hot water recovery tank is discharged to a trench through a tank top emptying line, a large amount of steam is wasted, a greenhouse effect is increased, and the environment is polluted.
Disclosure of Invention
The utility model aims at providing a device for reducing the emptying steam discharge amount of a hot water recovery tank of ethyl methyl carbonate aiming at the defects in the prior art.
The utility model provides a reduce device of ethyl methyl carbonate hot water recovery tank unloading steam discharge amount, its technical scheme is: the system comprises a reaction tower (1), a tower bottom reboiler (2), a hot water recovery tank (3), an air cooler, a hot water pump (6), an incoming water regulating valve (12) and a steam generator (15), wherein the bottom of the reaction tower (1) is connected to the bottom of the tower bottom reboiler (2) through a pipeline, the upper side of the tower bottom reboiler (2) is connected to the steam generator (15) through a pipeline, the lower side of the tower bottom reboiler (2) is connected to the incoming water regulating valve (12) through a pipeline and is continuously connected to the upper part of the hot water recovery tank (3) through a pipeline; one or more groups of air coolers are arranged above the hot water recovery tank (3), and the outlet of the air cooler (5) is connected to a trench (7) through a pipeline; the bottom of the hot water recovery tank (3) is connected to a water heater pump (6) through a pipeline, and is connected to raw material heating water (9), filter water (10) and heating water (11) through pipelines.
Preferably, the air coolers are provided in two groups, namely a first air cooler (4) and a second air cooler (5).
Preferably, a reaction tower gas outlet valve (13) is arranged at the lower side of the reaction tower (1) and is connected to the incoming water regulating valve (12) through a pipeline.
Preferably, a liquid level control valve (14) is arranged on one side of the hot water recovery tank (3) and is connected to the hot water pump (6) through a pipeline and a control valve (16).
Preferably, the first air cooler (4) and the second air cooler (5) are connected in sequence and smoothly, and a fan (8) is installed on the lower side.
The utility model has the advantages that: the utility model utilizes the temperature interlocking of the incoming water regulating valve of the hot water recovery tank and the reaction tower, the liquid level of the hot water recovery tank is interlocked by the machine pump frequency conversion at the bottom of the hot water recovery tank, and the incoming water regulating valve and the machine pump at the bottom control the liquid level of the hot water recovery tank; a group of or more than a group of air coolers with large contact area are arranged at the top of the hot water recovery tank, and the auxiliary effect of the fan is added, so that the purpose of cooling steam is achieved, the cooling rate can reach more than 95%, and the problems of equipment corrosion, energy waste, environment pollution and the like caused by overlarge steam discharge amount of a trench are avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
in the upper diagram: the system comprises a reaction tower 1, a tower bottom reboiler 2, a hot water recovery tank 3, a first air cooler 4, a second air cooler 5, a water heater pump 6, a trench 7, a fan 8, raw material heating water 9, filter water 10, heating water 11, an incoming water regulating valve 12, a reaction tower outlet valve 13, a liquid level control valve 14, a steam generator 15 and a control valve 16.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Embodiment 1, referring to fig. 1, the utility model provides a reduce device of ethyl methyl carbonate hot water recovery tank evacuation steam discharge amount, including reaction tower 1, tower bottom reboiler 2, hot water recovery tank 3, air cooler, hot water pump 6, come water governing valve 12, steam generator 15, the bottom of reaction tower 1 through the pipeline connection to the bottom of tower bottom reboiler 2, the upside of tower bottom reboiler 2 through the pipeline connection to steam generator 15, the downside of tower bottom reboiler 2 through the pipeline connection to come water governing valve 12, and continue through the pipeline connection to the upper portion of hot water recovery tank 3; one or more groups of air coolers are arranged above the hot water recovery tank 3, and the outlet of the air cooler 5 is connected to a trench 7 through a pipeline; the bottom of the hot water recovery tank 3 is connected to a water heater pump 6 by a pipeline, and is connected to raw heating water 9, filter water 10, and heating water 11 by a pipeline.
Wherein, air cooler is equipped with two sets ofly, is first air cooler 4 and second air cooler 5 respectively, and first air cooler 4 and second air cooler 5 connect smoothly in proper order, and downside installation fan 8, through the auxiliary action of fan, reaches the purpose for steam cooling, and the cooling rate can reach more than 95%.
In addition, a reaction tower gas outlet valve 13 is arranged at the lower side of the reaction tower 1 and is connected to an incoming water regulating valve 12 through a pipeline, a liquid level control valve 14 is arranged at one side of the hot water recovery tank 3 and is connected to the hot water pump 6 through a pipeline and a control valve 16, and the incoming water regulating valve and the bottom pump control the liquid level of the hot water recovery tank.
The utility model discloses a theory of operation is:
get into hot water recovery tank through the governing valve that comes water, come the pump control hot water recovery tank liquid level of governing valve and bottom, because it is higher to come the water temperature, when steam will discharge through hot water recovery tank top air release line, at first get into first air cooler, reentrant second air cooler, then discharge to the trench, if more steam is discharged in addition, just open the fan and force the air cycle to cool down again to it, take place the phase transition after the cooling, steam changes into water, flow back to hot water recovery tank, thereby the discharge of very big reduction steam volume.
The hot water in the hot water recovery tank is conveyed to the device by a pump to be used as raw material for heating water, filter water, heating water and the like, and the rest hot water is conveyed to power.
The utility model has the advantages that: 1. the corrosion of equipment near the discharge point is reduced; 2. the risk of scalding of the personnel is eliminated; 3. the condensed water can be recycled; 4. the heat emission is reduced, and the surrounding environment is greatly improved.
In addition, through on-site internal experiments, the steam consumption of the existing methyl ethyl carbonate device is 25 million tons every year, the steam emission is 8-10 tons every day, two series coolers and fans are matched for use, the cooling area can reach 80 square meters, the cooling effect can reach 95 percent, the steam emission is reduced by 2000 tons every year, and the heat emission of 8 hundred million kilocalories is reduced totally according to the heat of 40 million kilocalories per ton of discharged steam.
The air cooler is provided with a group, the fan 8 is arranged on the lower side of the air cooler, the purpose of cooling steam is achieved through the auxiliary effect of the fan, and the cooling rate can reach more than 85%.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (5)
1. The utility model provides a reduce device of ethyl methyl carbonate hot water recovery tank evacuation steam discharge amount which characterized by: the system comprises a reaction tower (1), a tower bottom reboiler (2), a hot water recovery tank (3), an air cooler, a hot water pump (6), an incoming water regulating valve (12) and a steam generator (15), wherein the bottom of the reaction tower (1) is connected to the bottom of the tower bottom reboiler (2) through a pipeline, the upper side of the tower bottom reboiler (2) is connected to the steam generator (15) through a pipeline, the lower side of the tower bottom reboiler (2) is connected to the incoming water regulating valve (12) through a pipeline and is continuously connected to the upper part of the hot water recovery tank (3) through a pipeline; one or more groups of air coolers are arranged above the hot water recovery tank (3), and the outlet of the air cooler (5) is connected to a trench (7) through a pipeline; the bottom of the hot water recovery tank (3) is connected to a water heater pump (6) through a pipeline, and is connected to raw material heating water (9), filter water (10) and heating water (11) through pipelines.
2. The device for reducing the vent steam discharge amount of the ethyl methyl carbonate hot water recovery tank as claimed in claim 1, which is characterized in that: the air coolers are provided with two groups, namely a first air cooler (4) and a second air cooler (5).
3. The device for reducing the vent steam discharge amount of the ethyl methyl carbonate hot water recovery tank as claimed in claim 1, which is characterized in that: the lower side of the reaction tower (1) is provided with a reaction tower gas outlet valve (13) which is connected to an incoming water regulating valve (12) through a pipeline.
4. The device for reducing the vent steam discharge amount of the ethyl methyl carbonate hot water recovery tank as claimed in claim 1, which is characterized in that: one side of the hot water recovery tank (3) is provided with a liquid level control valve (14) and is connected to the hot water pump (6) through a pipeline and a control valve (16).
5. The device for reducing the vent steam discharge amount of the ethyl methyl carbonate hot water recovery tank as claimed in claim 2, which is characterized in that: the first air cooler (4) and the second air cooler (5) are connected smoothly in sequence, and a fan (8) is installed on the lower side of the first air cooler and the second air cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016931.8U CN212882374U (en) | 2020-06-05 | 2020-06-05 | Device for reducing discharge amount of vent steam of ethyl methyl carbonate hot water recovery tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016931.8U CN212882374U (en) | 2020-06-05 | 2020-06-05 | Device for reducing discharge amount of vent steam of ethyl methyl carbonate hot water recovery tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212882374U true CN212882374U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021016931.8U Active CN212882374U (en) | 2020-06-05 | 2020-06-05 | Device for reducing discharge amount of vent steam of ethyl methyl carbonate hot water recovery tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212882374U (en) |
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2020
- 2020-06-05 CN CN202021016931.8U patent/CN212882374U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee after: SHINGHWA CHEMICAL Corp. Patentee after: Shenghua New Material Group Co.,Ltd. Address before: 257000 south of beiwaihuan Road, Yong'an Town, Kenli District, Dongying City, Shandong Province Patentee before: SHINGHWA CHEMICAL Corp. Patentee before: SHANDONG SHIDA SHENGHUA CHEMICAL GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee after: SHINGHWA CHEMICAL Corp. Country or region after: China Patentee after: Shi Dashenghua New Materials Group Co.,Ltd. Address before: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee before: SHINGHWA CHEMICAL Corp. Country or region before: China Patentee before: Shenghua New Material Group Co.,Ltd. |