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 PDF

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Publication number
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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China
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waste water
low pressure
pressure flash
connects
heat exchanger
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CN201520740031.0U
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Inventor
胡家富
冯建琳
姚义刚
党元军
朱玉联
陆洋
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NANJING BAIYUN CHEMICAL ENVIRONMENTAL MONITORING CO Ltd
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NANJING BAIYUN CHEMICAL ENVIRONMENTAL MONITORING CO Ltd
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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

Coal Chemical Industry carbon washes the after-treatment device of tower waste water
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.
CN201520740031.0U 2015-09-23 2015-09-23 Back processing apparatus of tower waste water is washed to coal industry carbon Active CN204958641U (en)

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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

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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

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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