CN204958641U - Back processing apparatus of tower waste water is washed to coal industry carbon - Google Patents
Back processing apparatus of tower waste water is washed to coal industry carbon Download PDFInfo
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- CN204958641U CN204958641U CN201520740031.0U CN201520740031U CN204958641U CN 204958641 U CN204958641 U CN 204958641U CN 201520740031 U CN201520740031 U CN 201520740031U CN 204958641 U CN204958641 U CN 204958641U
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- Prior art keywords
- waste water
- low pressure
- pressure flash
- connects
- heat exchanger
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000002351 wastewater Substances 0.000 title claims abstract description 35
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 31
- 239000003245 coal Substances 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000009833 condensation Methods 0.000 claims description 30
- 230000005494 condensation Effects 0.000 claims description 30
- 238000005039 chemical industry Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 8
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 230000011218 segmentation Effects 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract 3
- 230000001808 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007701 flash-distillation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atoms Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Abstract
The utility model discloses a back processing apparatus of tower waste water is washed to coal industry carbon, including the high pressure flash jar, the low pressure flash tank, one -level heat exchanger, a gas -liquid separator, ignition, the sewage treatment pond, second grade condenser pipe and gaseous evacuation pipe, it washes tower waste water raceway to be equipped with coal industry carbon on the high pressure flash jar, the bottom of high pressure flash jar is equipped with the liquid tube coupling on the low pressure flash tank, the bottom of low pressure flash tank is equipped with liquid tube coupling sewage treatment pond, gaseous evacuation pipe is connected to the top second grade condenser pipe of low pressure flash tank, the top of high pressure flash jar is equipped with gas piping and connects one -level heat exchanger, one -level heat exchanger passes through vapour and liquid separator and connects ignition and sewage treatment pond respectively, the utility model discloses washing tower waste water to carbon and carrying out secondary treatment, the multiple impurity in the waste water is got rid of in the segmentation, has avoided the pollution to the environment. The cyclic utilization that water and energy had been accomplished to device itself has saved manufacturing cost.
Description
Technical field
The utility model relates to the field of waste water treatment of High Temperature High Pressure, particularly relates to carbon in Coal Chemical Industry production process and washes the after-treatment device of tower waste water.
Background technology
Flash distillation is exactly that the saturation water of high pressure enters after in the container comparing low pressure, due to the unexpected reduction of pressure; Saturated steam under the container pressure making these saturation waters become a part of and saturation water.High pressure-temperature fluid enters flash tank, through decompression, and boiling point lowering; At this moment, fluid temperature (F.T.) is higher than the boiling point under this pressure.Fluid seethes with excitement rapidly vaporization in flash tank, and then completes two-phase laminated flow operation.
Produced by Coal Chemical Industry in the process of carbon monoxide and hydrogen, need to wash tower turnover process through carbon, carbon is washed after tower processes, and obtain the waste water of High Temperature High Pressure, the temperature of waste water reaches 240 DEG C, and pressure is for reaching 5.9MPa; The ammonia simultaneously contained in waste water, hydrogen sulfide, flyash and carbon monoxide etc. pollute impurity, and the discharge of wastewater of these High Temperature High Pressure not only can cause a large amount of wastes of energy in air, be discharged in air, cause environmental pollution between the pollutent meeting simultaneously in waste water.
Summary of the invention
For above-mentioned Problems existing, it is simple that the utility model object is to provide a kind of structure, and facilitate energy recovery, the Coal Chemical Industry carbon that Matter Transfer utilization ratio is high washes the after-treatment device of tower waste water.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: a kind of Coal Chemical Industry carbon washes the after-treatment device of tower waste water, described after-treatment device comprises hp flash drum, low pressure flash chamber, one-level heat exchanger, gas-liquid separator, portfire, treatment tank, B-grade condensation pipe and gas evacuated tube, described hp flash drum is provided with Coal Chemical Industry carbon and washes tower waste water hydraulic pipe, the bottom of described hp flash drum is provided with liquid line and is connected in low pressure flash chamber, the bottom of described low pressure flash chamber is provided with liquid line and connects treatment tank, the top B-grade condensation pipe of low pressure flash chamber connects evacuate air pipe, the top of described hp flash drum is provided with gas piping and connects one-level heat exchanger, described one-level heat exchanger connects portfire and treatment tank respectively by gas-liquid separator.
Improve as one of the present utility model, described hp flash drum and low pressure flash chamber are equipped with reducing valve, and described hp flash drum differs 10 ~ 11 times with the operating pressure of low pressure flash chamber; By double flash evaporation tank, tower waste water is washed to carbon and carry out multiple-stage treatment, plurality of impurities in staging treating waste water, temperature due to waste water itself reaches 240 DEG C, pressure reaches 5.9MPa, the mode of multiple-stage treatment can be adopted in treating processes, mainly removed the ammonia in waste water by hp flash drum, form ammonia by flash distillation, then carry out burn processing by portfire.
Improve as one of the present utility model, described treatment tank is provided with the condensation water-in that condensate pipe connects B-grade condensation pipe; The waste water of the formation after condensation process passes in treatment tank, and water temperature in treatment tank is lower, the water in treatment tank is used as subsequent condensation operation, not only facilitates the comprehensive utilization of water resources, facilitates the comprehensive utilization of energy simultaneously.
Improve as one of the present utility model, the condensation water-in on described one-level heat exchanger connects the condensation of water mouth of B-grade condensation pipe, and the condensation of water on described one-level heat exchanger connects carbon and washes tower; Need to pass into high-temperature water react because carbon is washed in tower, if heated these high-temperature water, consumes energy is too much, therefore by reclaiming excess energy in the condenser of after-treatment device, washing tower water preheat carbon, saves the energy, good practical effect.
Improve as one of the present utility model, described evacuate air pipe is provided with fluid collection vials and emptying pressure warning unit; By the secondary condenser on evacuate air pipe, condensation is carried out to Exhaust Gas, remove ammonia unnecessary in Exhaust Gas, collected by fluid collection vials, avoid ammonia to the pollution of environment.
The utility model has the advantage of: the utility model is washed tower waste water by hp flash drum and low pressure flash chamber to carbon and carried out second-stage treatment, the plurality of impurities in waste water is removed in segmentation, facilitate the emptying operation at ambient pressure of final product water vapour, eliminate the flyash in water vapour, carbon monoxide and ammonia, avoid the pollution to environment.Device this in the process of aftertreatment, reclaimed large energy and water, these water and energy are again drained into carbon and wash in tower and react after reclaiming, and complete the recycle of water and energy, less energy consumption, the production cost greatly saved, good practical effect.
Accompanying drawing explanation
Fig. 1 is that the utility model device connects sketch;
Wherein, 1 carbon washes tower, 2 hp flash drums, 3 low pressure flash chamber, 4 one-level heat exchangers, 5 gas-liquid separators, 6 portfires, 7 treatment tanks, 8 secondary condensers, 9 evacuate air pipes.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the utility model to be described in further detail.
embodiment 1:a kind of Coal Chemical Industry carbon as shown in Figure 1 washes the after-treatment device of tower waste water, described after-treatment device comprises hp flash drum 2, low pressure flash chamber 3, one-level heat exchanger 4, gas-liquid separator 5, portfire 6, treatment tank 7, B-grade condensation pipe 8 and gas evacuated tube 9, described hp flash drum 2 is provided with the waste water hydraulic pipe that Coal Chemical Industry carbon washes tower 1, the bottom of described hp flash drum 2 is provided with liquid line and is connected in low pressure flash chamber 3, the bottom of described low pressure flash chamber 3 is provided with liquid line and connects treatment tank 7, the top B-grade condensation pipe 8 of low pressure flash chamber 3 connects evacuate air pipe 9, the top of described hp flash drum 2 is provided with gas piping and connects one-level heat exchanger 4, described one-level heat exchanger 4 connects portfire 6 and treatment tank 7 respectively by gas-liquid separator 5.
embodiment 2:as shown in Figure 1, hp flash drum 2 and low pressure flash chamber 3 are equipped with reducing valve, described hp flash drum 2 differs 10 ~ 11 times with the operating pressure of low pressure flash chamber 3; Temperature in hp flash drum 2 reaches 160 ~ 170 DEG C, pressure reaches 0.7MPa, low pressure flash chamber 3 internal pressure is 0.07MPa, the waste water washing tower 1 by double flash evaporation tank 2 and the 3 pairs of carbon carries out multiple-stage treatment, plurality of impurities in staging treating waste water, temperature due to waste water itself reaches 240 DEG C, pressure reaches 5.9MPa, the mode of multiple-stage treatment can be adopted in treating processes, the ammonia in waste water is mainly removed by hp flash drum 2, form ammonia by flash distillation, then carry out burn processing by portfire 6.
embodiment 3:as shown in Figure 1, treatment tank 7 is provided with the condensation water-in that condensate pipe connects B-grade condensation pipe 8; The waste water of the formation after condensation process passes in treatment tank 7, and water temperature in treatment tank 7 is lower, the water in treatment tank 7 is used as subsequent condensation operation, not only facilitates the comprehensive utilization of water resources, can excess energy be reclaimed simultaneously, facilitate the comprehensive utilization of resource.
embodiment 4:as shown in Figure 1, the condensation water-in on one-level heat exchanger 4 connects the condensation of water mouth of B-grade condensation pipe 8, and the condensation of water on described one-level heat exchanger 4 connects carbon and washes tower 1; Need to pass into high-temperature water react because carbon is washed in tower 1, if heated these high-temperature water, consumes energy is too much, therefore by reclaiming excess energy in the condensing works 4 and 8 of after-treatment device, wash tower 1 to carbon to preheat with water, save the energy, good practical effect.
embodiment 5:as shown in Figure 1, evacuate air pipe 9 is provided with fluid collection vials and emptying pressure warning unit; Carry out condensation by the 8 pairs of Exhaust Gas of the secondary condenser on evacuate air pipe 9, remove ammonia unnecessary in Exhaust Gas, collected by fluid collection vials, avoid ammonia to the pollution of environment.
It should be noted that, above-mentioned is only preferred embodiment of the present utility model, is not used for limiting protection domain of the present utility model, and equivalents done on the basis of above-described embodiment all belongs to protection domain of the present utility model.
Claims (5)
1. a Coal Chemical Industry carbon washes the after-treatment device of tower waste water, it is characterized in that, described after-treatment device comprises hp flash drum, low pressure flash chamber, one-level heat exchanger, gas-liquid separator, portfire, treatment tank, B-grade condensation pipe and gas evacuated tube, described hp flash drum is provided with Coal Chemical Industry carbon and washes tower waste water hydraulic pipe, the bottom of described hp flash drum is provided with liquid line and is connected in low pressure flash chamber, the bottom of described low pressure flash chamber is provided with liquid line and connects treatment tank, the top B-grade condensation pipe of low pressure flash chamber connects evacuate air pipe, the top of described hp flash drum is provided with gas piping and connects one-level heat exchanger, described one-level heat exchanger connects portfire and treatment tank respectively by gas-liquid separator.
2. Coal Chemical Industry carbon according to claim 1 washes the after-treatment device of tower waste water, it is characterized in that, described hp flash drum and low pressure flash chamber are equipped with reducing valve, and described hp flash drum differs 10 ~ 11 times with the operating pressure of low pressure flash chamber.
3. Coal Chemical Industry carbon according to claim 1 washes the after-treatment device of tower waste water, it is characterized in that, described treatment tank is provided with the condensation water-in that condensate pipe connects B-grade condensation pipe.
4. Coal Chemical Industry carbon according to claim 3 washes the after-treatment device of tower waste water, it is characterized in that, condensation water-in on described one-level heat exchanger connects the condensation of water mouth of B-grade condensation pipe, and the condensation of water on described one-level heat exchanger connects carbon and washes tower.
5. Coal Chemical Industry carbon according to claim 1 and 2 washes the after-treatment device of tower waste water, it is characterized in that, described evacuate air pipe is provided with fluid collection vials and emptying pressure warning unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740031.0U CN204958641U (en) | 2015-09-23 | 2015-09-23 | Back processing apparatus of tower waste water is washed to coal industry carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740031.0U CN204958641U (en) | 2015-09-23 | 2015-09-23 | Back processing apparatus of tower waste water is washed to coal industry carbon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204958641U true CN204958641U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520740031.0U Active CN204958641U (en) | 2015-09-23 | 2015-09-23 | Back processing apparatus of tower waste water is washed to coal industry carbon |
Country Status (1)
| Country | Link |
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| CN (1) | CN204958641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236646A (en) * | 2015-09-23 | 2016-01-13 | 南京白云化工环境监测有限公司 | Post-treatment apparatus for waste water of carbon washing tower used in coal chemical industry |
-
2015
- 2015-09-23 CN CN201520740031.0U patent/CN204958641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236646A (en) * | 2015-09-23 | 2016-01-13 | 南京白云化工环境监测有限公司 | Post-treatment apparatus for waste water of carbon washing tower used in coal chemical industry |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |