CN209974353U - Environment-friendly phenol water treatment device - Google Patents
Environment-friendly phenol water treatment device Download PDFInfo
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- CN209974353U CN209974353U CN201920565117.2U CN201920565117U CN209974353U CN 209974353 U CN209974353 U CN 209974353U CN 201920565117 U CN201920565117 U CN 201920565117U CN 209974353 U CN209974353 U CN 209974353U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model relates to the technical field of phenol water treatment, in particular to an environment-friendly phenol water treatment device, which comprises a coal gas generating device, a phenol water evaporating device, a cooling device and an alkaline liquid pool; the gas generating device comprises a two-section gas generating furnace, an upper section gas pipeline, a lower section gas pipeline, a blast pipeline and a blower; the upper part of the two-section type gas generating furnace is connected with an upper section of gas pipeline, the middle part of the two-section type gas generating furnace is connected with a lower section of gas pipeline, one end of the blast pipeline is connected with the gas generating furnace, and the other end of the blast pipeline is connected with the blower; the phenol water evaporation device comprises a phenol water evaporation heat exchanger, a phenol water pump, a phenol water pool and a phenol water steam pipeline; phenol water evaporation heat exchanger connects in hypomere gas piping, and phenol water evaporation heat exchanger and phenol pond are with the pipe connection, the utility model aims to solve the technical problem that a can utilize coal gas waste heat evaporation phenol water to carry out the phenol water treatment facilities of coal gasification and other chemical reaction's environmental protection is provided.
Description
Technical Field
The utility model relates to a phenol water treatment technical field, concretely relates to phenol water treatment facilities of environmental protection.
Background
Phenol water is a liquid which has serious influence on the environment, and phenol-containing sewage is composed of phenols, sulfides, cyanides and the like, wherein the phenols mainly comprise monohydric phenol and have the highest phenol content, and m-p-cresol which is derived from washing water and phenol-containing condensed water in the processes of cooling and purifying coal gas, wherein the generation amount of the phenol-containing condensed water depends on the gasified coal quality and the adopted gasification process.
Even though the phenol water is recycled for the second time, the amount of the phenol water is greatly reduced by concentration, the phenol water is specially configured to be treated by an incinerator, each kilogram of the phenol water can be burnt only by using the heat value of about 450Kcal, the incinerator consumes large fuel, the production cost is increased, the phenomenon of stealing and discharging is caused by some manufacturers, and a great hidden trouble is left for environmental protection.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing a phenol water treatment device which can utilize coal gas waste heat to evaporate phenol water to carry out coal gasification and other chemical reactions.
In order to solve the technical problem, the utility model discloses a technical scheme be: an environment-friendly phenol water treatment device comprises a gas generation device, a phenol water evaporation device, a cooling device and an alkali liquor pool;
the gas generating device comprises a two-section type gas generating furnace, an upper section of gas pipeline, a lower section of gas pipeline, a blast pipeline and a blower;
the upper part of the two-section type gas generating furnace is connected with an upper section gas pipeline, the middle part of the two-section type gas generating furnace is connected with a lower section gas pipeline, and one end of the blast pipeline is connected with the gas generating furnace and the other end is connected with the blower;
the phenol water evaporation device comprises a phenol water evaporation heat exchanger, a phenol water pump, a phenol water tank and a phenol water steam pipeline;
the phenol water evaporation heat exchanger is connected with a lower segment gas pipeline, the phenol water evaporation heat exchanger is connected with a phenol water pool through a pipeline, the phenol water pump is arranged between the phenol water evaporation heat exchanger and the phenol water pool, and one end of the phenol water steam pipeline is connected with the phenol water evaporation heat exchanger while the other end is connected with a blast pipeline;
the cooling device comprises an intercooler, a phenol water washing pipeline, a phenol water backflow pipeline, a washing water pump, a cooling water pipeline, a cooling water backflow pipeline, a cooling water pump and a circulating water tank;
the indirect cooler is connected with the phenol water evaporator through a pipeline, the indirect cooler is connected with a phenol water washing pipeline and a phenol water return pipeline, a washing water pump is arranged on the phenol water washing pipeline, the phenol water washing pipeline and the phenol water return pipeline are both connected in the phenol water pool, the indirect cooler is connected with a cooling water pipeline and a cooling water return pipeline, a cooling water pump is arranged on the cooling water pipeline, and the cooling water pipeline and the cooling water return pipeline are both connected in the circulating water pool;
and an upper section of gas pipeline is wound on the outer side of the phenol water pool, one end of the upper section of gas pipeline is connected with the gas producer, the other end of the upper section of gas pipeline is communicated with the gas inlet of the intercooler, and the phenol water pool is connected with the alkali liquor pool through a pipeline.
The device also comprises a dust remover, wherein the dust remover is connected between the two-section type gas producer and the phenol water evaporation heat exchanger.
Wherein, still include the forced air cooler, the forced air cooler is connected between phenol water evaporation heat exchanger and intercooler.
The electric filter is connected with an air outlet of the intercooler, and the bottom of the electric filter is connected with the tar tank.
Wherein the blower is provided in plurality.
The beneficial effects of the utility model reside in that: the phenol water treatment is carried out by utilizing the waste heat of the two-segment gas generated by the two-segment gas producer, the requirement for external heating in the phenol water treatment process is reduced, wherein the lower segment gas quickly evaporates part of phenol water through a phenol water evaporation device and is sent to the bottom of the two-segment gas producer to participate in the gasification reaction of coal, and the characteristic of high heat of the lower segment gas is effectively utilized; the upper-section gas pipeline is wound on the outer layer of the phenol water pool, so that the phenol water pool can be continuously heated and phenol water vapor can be generated, and the waste heat of the upper-section gas is effectively utilized; the whole device is a closed-loop system, and can form a benign phenol water treatment cycle; the dust remover can filter the carbon dust in the coal gas, so that the pipeline of the whole device is prevented from being blocked; the air cooler is arranged, so that the temperature of the lower-section coal gas can be further reduced to the same level as that of the upper-section coal gas, and the phenomenon that the normal work of the device is influenced due to the fact that phenol water is vaporized when the temperature of the coal gas introduced into the intercooler is too high is avoided; the electric filter can filter tar in the coal gas and collect the tar in the tar pool, the tar can be further utilized after being collected, and cleaner coal gas can be obtained; the air blower is provided with a plurality of air blowers, so that the air inlet amount is larger, the temperature at the bottom of the two-section type gas generating furnace is increased to reach the optimal temperature of 1000-1200 ℃, and the gas production efficiency and the secondary treatment efficiency of phenol water vapor can be effectively improved.
Drawings
FIG. 1 is a schematic view of the overall structure of an environment-friendly phenol water treatment device according to an embodiment of the present invention
Description of reference numerals: 1-two-stage gas producer, 2-phenol water evaporation heat exchanger, 3-intercooler, 4-phenol water pool, 5-circulating water pool, 6-alkaline liquor pool, 7-blower, 8-phenol water pump, 9-washing water pump, 10-cold water pump,
11-dust remover, 12-air cooler and 13-electric filter.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: 1. part of the phenol water collected by the intercooler and fed into the phenol water tank is pumped to the phenol water evaporation heat exchanger and is heated by the waste heat of the coal gas to generate steam, and the phenol water steam and the blown air are mixed together and enter the bottom of the two-section type coal gas generator to participate in the gasification reaction of the coal; 2. the upper segment of gas pipeline is wound on the outer layer of the phenol water tank to achieve the purpose of heating the phenol water tank, so that harmful gas and partial phenol water vapor in the phenol water tank overflow and are introduced into the alkaline solution tank to be absorbed into phenol sodium salt, and the purpose of safely and environmentally treating phenol water is achieved.
Referring to fig. 1, the utility model discloses an environmental protection phenol water treatment facilities which characterized in that: comprises a coal gas generating device, a phenol water evaporating device, a cooling device and an alkali liquor pool 6;
the gas generating device comprises a two-section type gas generating furnace 1, an upper section gas pipeline, a lower section gas pipeline, a blast pipeline and a blower 7;
the upper part of the two-section type gas generating furnace 1 is connected with an upper section gas pipeline, the middle part of the two-section type gas generating furnace 1 is connected with a lower section gas pipeline, and one end of the blast pipeline is connected with the gas generating furnace 1 and the other end is connected with a blower 7;
the phenol water evaporation device comprises a phenol water evaporation heat exchanger 2, a phenol water pump 8, a phenol water pool 4 and a phenol water steam pipeline;
the phenol water evaporation heat exchanger 2 is connected with a gas pipeline at the lower section, the phenol water evaporation heat exchanger 2 is connected with the phenol water pool 4 through a pipeline, the phenol water pump 8 is arranged between the phenol water evaporation heat exchanger 2 and the phenol water pool 4, and one end of the phenol water steam pipeline is connected with the phenol water evaporation heat exchanger 2, and the other end of the phenol water steam pipeline is connected with a blast pipeline;
the cooling device comprises an intercooler 3, a phenol water washing pipeline, a phenol water backflow pipeline, a washing water pump 9, a cooling water pipeline, a cooling water backflow pipeline, a cooling water pump 10 and a circulating water tank 5;
the intercooler 3 is connected with the phenol water evaporator 2 through a pipeline, the intercooler 3 is connected with a phenol water washing pipeline and a phenol water return pipeline, a washing water pump 9 is arranged on the phenol water washing pipeline, the phenol water washing pipeline and the phenol water return pipeline are both connected in the phenol water tank 4, the intercooler 3 is connected with a cooling water pipeline and a cooling water return pipeline, a cooling water pump 10 is arranged on the cooling water pipeline, and the cooling water pipeline and the cooling water return pipeline are both connected in the circulating water tank 5;
an upper section of gas pipeline is wound on the outer side of the phenol water tank 4, one end of the upper section of gas pipeline is connected with the gas producer 1, the other end of the upper section of gas pipeline is communicated with the gas inlet of the intercooler 3, and the phenol water tank 4 is connected with the alkali liquor tank 5 through a pipeline.
The working principle of the environment-friendly phenol water treatment device is explained as follows: continuously blowing air into the two-section gas producer 1 by the blower 7, raising the temperature in the two-section gas producer 1, and carrying out gasification reaction on coal at high temperature to generate gas, wherein the lower-section gas enters the inner pipeline of the phenol water evaporation heat exchanger 2 through a lower-section gas pipeline, meanwhile, the phenol water pump 8 pumps phenol water in the phenol water pool 4 into the phenol water evaporation heat exchanger 2 and exchanges heat with the lower-section gas to generate phenol water vapor, and the phenol water vapor is mixed with air in a blast pipeline through the phenol water vapor pipeline and blown into the bottom of the two-section gas producer 1 to participate in the gasification reaction of the coal, so that harmful substances in the phenol water are decomposed at high temperature;
the upper segment of gas of the two-segment gas producer 1 flows through an upper segment of gas pipeline, the upper segment of gas pipeline is wound and arranged outside a phenol water pool 4, the gas in the pipeline exchanges heat with the phenol water pool 4, phenol water in the phenol water pool 4 is heated, phenol water vapor and other harmful gases can overflow and be discharged, the gases are introduced into an alkaline solution pool 6 through the pipeline to generate a phenol sodium salt through a chemical reaction, the purpose of safely and environmentally treating the phenol water is achieved, and meanwhile, the upper segment of gas flows out through the upper segment of gas pipeline and is mixed with the gas flowing out of the intercooler 3 and then flows into the intercooler 3;
the washing water pump 9 pumps the phenol water in the phenol water pool into the intercooler 3 and mixes the phenol water with the coal gas, meanwhile, the cooling water pump 10 pumps the cooling water in the circulating water pool 5 into the intercooler 3 and flows back into the circulating water pool 5 through a cooling water backflow pipeline, the cooling water and the coal gas exchange heat in the circulating process, the coal gas is condensed to form phenol water vapor and dissolved in the phenol water, and the phenol water flows back into the phenol water pool 4 through a phenol water backflow pipeline.
From the above description, the beneficial effects of the present invention are: the waste heat of the two-segment gas generated by the two-segment gas producer is effectively utilized for phenol water treatment, the requirement for external heating in the phenol water treatment process is reduced, wherein the lower segment gas quickly evaporates part of phenol water through the phenol water evaporation device and is sent to the bottom of the two-segment gas producer to participate in the gasification reaction of coal, and the characteristic of high heat of the lower segment gas is effectively utilized; the upper-section gas pipeline is wound on the outer layer of the phenol water pool, so that the phenol water pool can be continuously heated and phenol water vapor can be generated, and the waste heat of the upper-section gas is effectively utilized; the whole device is a closed-loop system, and can form a benign phenol water treatment cycle.
Further, the device also comprises a dust remover 11, and the dust remover 11 is connected between the two-section type gas generating furnace 1 and the phenol water evaporation heat exchanger.
From the above description, the lower segment of coal gas is close to the coal reaction layer, so that the coal ash is easily doped in the coal gas, and the dust remover is arranged to effectively filter the coal ash dust in the coal gas, so as to avoid the pipeline blockage of the whole device.
Further, the phenol water evaporator comprises an air cooler 12, wherein the air cooler 12 is connected between the phenol water evaporator heat exchanger 2 and the intercooler 3.
From the above description, it can be known that, compared with the upper segment gas, the outlet temperature of the lower segment gas is higher, the lower segment gas cooled by the phenol water evaporation heat exchange device still has higher temperature, and the temperature of the lower segment gas can be further reduced to the same level as that of the upper segment gas after the air cooler is arranged, so that the phenomenon that the phenol water is vaporized by the overhigh temperature of the gas introduced into the intercooler to influence the normal operation of the device is avoided.
Further, still include electric filter 13 and tar pond, electric filter 13 is connected with the intercooler 3 gas outlet, electric filter 13 bottom is connected with the tar pond.
As can be seen from the above description, the electric filter can filter and collect tar in the gas into the tar pool, and the tar can be further utilized after being collected, and meanwhile, cleaner gas can be obtained.
Further, the blower 7 is provided in plurality.
According to the description, the air blowers are provided with a plurality of air inlets, so that the air inlet amount is larger, the temperature at the bottom of the two-section type gas generating furnace can reach the optimal temperature of 1000-1200 ℃, and the gas production efficiency and the secondary treatment efficiency of phenol water vapor can be effectively improved.
Referring to fig. 1, a first embodiment of the present invention is: comprises a coal gas generating device, a phenol water evaporating device, a cooling device and an alkali liquor pool 6; the gas generating device comprises a two-section type gas generating furnace 1, an upper section gas pipeline, a lower section gas pipeline, a blast pipeline and a blower 7; the upper part of the two-section type gas generating furnace 1 is connected with an upper section gas pipeline, the middle part of the two-section type gas generating furnace 1 is connected with a lower section gas pipeline, and one end of the blast pipeline is connected with the gas generating furnace 1 and the other end is connected with a blower 7; the phenol water evaporation device comprises a phenol water evaporation heat exchanger 2, a phenol water pump 8, a phenol water pool 4 and a phenol water steam pipeline; the phenol water evaporation heat exchanger 2 is connected with a gas pipeline at the lower section, the phenol water evaporation heat exchanger 2 is connected with the phenol water pool 4 through a pipeline, the phenol water pump 8 is arranged between the phenol water evaporation heat exchanger 2 and the phenol water pool 4, and one end of the phenol water steam pipeline is connected with the phenol water evaporation heat exchanger 2, and the other end of the phenol water steam pipeline is connected with a blast pipeline; the cooling device comprises an intercooler 3, a phenol water washing pipeline, a phenol water backflow pipeline, a washing water pump 9, a cooling water pipeline, a cooling water backflow pipeline, a cooling water pump 10 and a circulating water tank 5; the intercooler 3 is connected with the phenol water evaporator 2 through a pipeline, the intercooler 3 is connected with a phenol water washing pipeline and a phenol water return pipeline, a washing water pump 9 is arranged on the phenol water washing pipeline, the phenol water washing pipeline and the phenol water return pipeline are both connected in the phenol water tank 4, the intercooler 3 is connected with a cooling water pipeline and a cooling water return pipeline, a cooling water pump 10 is arranged on the cooling water pipeline, and the cooling water pipeline and the cooling water return pipeline are both connected in the circulating water tank 5; an upper section of gas pipeline is wound on the outer side of the phenol water tank 4, one end of the upper section of gas pipeline is connected with the gas producer 1, the other end of the upper section of gas pipeline is communicated with the gas inlet of the intercooler 3, and the phenol water tank 4 is connected with the alkali liquor tank 5 through a pipeline; further, the device also comprises a dust remover 11, wherein the dust remover 11 is connected between the two-section type gas generating furnace 1 and the phenol water evaporation heat exchanger; further, the device also comprises an air cooler 12, wherein the air cooler 12 is connected between the phenol water evaporation heat exchanger 2 and the intercooler 3; further, the system also comprises an electric filter 13 and a tar tank, wherein the electric filter 13 is connected with an air outlet of the intercooler 3, and the bottom of the electric filter 13 is connected with the tar tank; further, the blower 7 is provided in plurality.
To sum up, the utility model provides a pair of phenol water treatment facilities of environmental protection, its beneficial effect lies in: the phenol water treatment is carried out by utilizing the waste heat of the two-segment gas generated by the two-segment gas producer, the requirement for external heating in the phenol water treatment process is reduced, wherein the lower segment gas quickly evaporates part of phenol water through a phenol water evaporation device and is sent to the bottom of the two-segment gas producer to participate in the gasification reaction of coal, and the characteristic of high heat of the lower segment gas is effectively utilized; the upper-section gas pipeline is wound on the outer layer of the phenol water pool, so that the phenol water pool can be continuously heated and phenol water vapor can be generated, and the waste heat of the upper-section gas is effectively utilized; the whole device is a closed-loop system, and can form a benign phenol water treatment cycle; the dust remover can filter the carbon dust in the coal gas, so that the pipeline of the whole device is prevented from being blocked; the air cooler is arranged, so that the temperature of the lower-section coal gas can be further reduced to the same level as that of the upper-section coal gas, and the phenomenon that the normal work of the device is influenced due to the fact that phenol water is vaporized when the temperature of the coal gas introduced into the intercooler is too high is avoided; the electric filter can filter tar in the coal gas and collect the tar in the tar pool, the tar can be further utilized after being collected, and cleaner coal gas can be obtained; the air blower is provided with a plurality of air blowers, so that the air inlet amount is larger, the temperature at the bottom of the two-section type gas generating furnace is increased to reach the optimal temperature of 1000-1200 ℃, and the gas production efficiency and the secondary treatment efficiency of phenol water vapor can be effectively improved.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a phenol water treatment facilities of environmental protection which characterized in that: comprises a coal gas generating device, a phenol water evaporating device, a cooling device and an alkali liquor pool;
the gas generating device comprises a two-section type gas generating furnace, an upper section of gas pipeline, a lower section of gas pipeline, a blast pipeline and a blower;
the upper part of the two-section type gas generating furnace is connected with an upper section gas pipeline, the middle part of the two-section type gas generating furnace is connected with a lower section gas pipeline, one end of the blast pipeline is connected with the gas generating furnace, and the other end of the blast pipeline is connected with the blower;
the phenol water evaporation device comprises a phenol water evaporation heat exchanger, a phenol water pump, a phenol water tank and a phenol water steam pipeline;
the phenol water evaporation heat exchanger is connected with a lower segment gas pipeline, the phenol water evaporation heat exchanger is connected with a phenol water pool through a pipeline, the phenol water pump is arranged between the phenol water evaporation heat exchanger and the phenol water pool, and one end of the phenol water steam pipeline is connected with the phenol water evaporation heat exchanger while the other end is connected with a blast pipeline;
the cooling device comprises an intercooler, a phenol water washing pipeline, a phenol water backflow pipeline, a washing water pump, a cooling water pipeline, a cooling water backflow pipeline, a cooling water pump and a circulating water tank;
the indirect cooler is connected with the phenol water evaporator through a pipeline, the indirect cooler is connected with a phenol water washing pipeline and a phenol water return pipeline, a washing water pump is arranged on the phenol water washing pipeline, the phenol water washing pipeline and the phenol water return pipeline are both connected in the phenol water pool, the indirect cooler is connected with a cooling water pipeline and a cooling water return pipeline, a cooling water pump is arranged on the cooling water pipeline, and the cooling water pipeline and the cooling water return pipeline are both connected in the circulating water pool;
and an upper section of gas pipeline is wound on the outer side of the phenol water pool, one end of the upper section of gas pipeline is connected with the gas producer, the other end of the upper section of gas pipeline is communicated with the gas inlet of the intercooler, and the phenol water pool is connected with the alkali liquor pool through a pipeline.
2. The environmental-friendly phenol water treatment device according to claim 1, wherein: the device also comprises a dust remover, and the dust remover is connected between the two-section type gas producer and the phenol water evaporation heat exchanger.
3. The environmental-friendly phenol water treatment device according to claim 1, wherein: the phenol water evaporator further comprises an air cooler, and the air cooler is connected between the phenol water evaporation heat exchanger and the intercooler.
4. The environmental-friendly phenol water treatment device according to claim 1, wherein: the electric filter is connected with an air outlet of the intercooler, and the bottom of the electric filter is connected with the tar tank.
5. The environmental-friendly phenol water treatment device according to claim 1, wherein: the blower is provided in plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565117.2U CN209974353U (en) | 2019-04-24 | 2019-04-24 | Environment-friendly phenol water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920565117.2U CN209974353U (en) | 2019-04-24 | 2019-04-24 | Environment-friendly phenol water treatment device |
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| Publication Number | Publication Date |
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| CN209974353U true CN209974353U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920565117.2U Active CN209974353U (en) | 2019-04-24 | 2019-04-24 | Environment-friendly phenol water treatment device |
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| CN (1) | CN209974353U (en) |
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2019
- 2019-04-24 CN CN201920565117.2U patent/CN209974353U/en active Active
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