CN102557315B - Process and system for treating gasified grey water - Google Patents
Process and system for treating gasified grey water Download PDFInfo
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- CN102557315B CN102557315B CN201110357838.2A CN201110357838A CN102557315B CN 102557315 B CN102557315 B CN 102557315B CN 201110357838 A CN201110357838 A CN 201110357838A CN 102557315 B CN102557315 B CN 102557315B
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Abstract
The invention discloses a system for treating gasified grey water. According to the system, a power quantity exchange process is provided so as to recover pressure energies contained in high-temperature high-pressure gasified black water, and the pressure energies are converted into mechanical energies so as to carry out external action; after treated grey water is subjected to the combined pressurization of a power quantity exchanger and a centrifugal pump driven by a motor, the grey water is heated by high-pressure flash steam, and then, is conveyed to a gasification section for use; the pressure of the gasified high-pressure black water is reduced to 1.0 MPa after the gasified high-pressure black water passes through the power quantity exchanger, the gasified high-pressure black water is conveyed to be subjected to high-pressure flash treatment, and then, the flash process is not changed; and in order to facilitate the pressure regulation of a high-pressure flash tank and avoid overpressure, a regulation valve is arranged in front of a control valve which leads a high-flash separator to a conversion section, and the high-flash separator is led to a total torch, and the occurrence of environmental incidents, such as torch extinguishment or direct emission and the like, is avoided. According to the process and system for treating the gasified grey water, the process is combined with the system, and the problems of energy source waste, environment pollution, cumbersomeness in operation, and the like, in the prior art can be effectively solved through the improvement on the prior art and the scientific and rational energy utilization.
Description
Technical field
The invention belongs to gasification grey water handing technical field, relate to a kind of grey water treatment system, especially a kind of gasification grey water treatment system based on merit amount exchange process.
Background technology
The cleaning of coal is the great technical task in current China energy and field of Environment Protection with efficient utilization, is also one of gordian technique of Chinese national economy sustainable development.Gasification is primary energy source to be converted into the main path of clean secondary energy, at present representatively in entrained flow bed gasification technology mainly contain two kinds: adopt Texaco (Texaco) vapourizing furnace that coal water slurry is raw material and adopt shell (Shell) vapourizing furnace that dried coal powder is raw material, all things considered, these two kinds of techniques all have the feature of safety, stable, long-term operation, but still exist problems to need further to solve.In coal water slurry gasification technique, it is a typical example that the pressure energy in gasification Heisui River is not utilized effectively.
Coal water slurry gasification technique is a kind of flow process that domestic newly-built methyl alcohol and synthetic ammonia installation generally adopt in recent years, and its grey water handing flow process as shown in Figure 1.The high pressure Heisui River temperature and pressure that gasification workshop section produces is about 250 ℃, 6.4MPa, through throttling valve 101, enters hp flash drum 102, and hp flash drum 102 top outlets are connected to the high interchanger 103 that dodges, and are sent to afterwards the high separator 104 that dodges.Hp flash drum 102 bottoms are connected to low pressure flash chamber 105, and the gas phase after flash distillation is connected with deoxygenation groove 107 by water cooler 106.High gas phase of dodging separator 104 is sent to CO conversion section, and liquid phase enters deoxygenation groove 107, and conversion phlegma, Yuan Shui, grey water pipeline 124 also have low-pressure steam to be also all sent to deoxygenation groove 107, at the top of deoxygenation groove, are provided with vent muffler 110.Buck in deoxygenation groove 107 enters impeller pump 108 after bottom line and dispersant, the pressurization rear section chemical industry section of degassing after height dodges interchanger 103 heating, and part is returned to deoxygenation groove through reverse flow valve 109.
The liquid phase of low pressure flash chamber 105 enters vacuum flasher top 111 after mixing with gasification pulp water, and the gas phase after flash distillation is sent to separator 116 through condenser 113, and bottom gas phase is sent to vacuum separation tank 117 through condenser 114, and bottom liquid phase enters subsider 115.The gas phase of vacuum separation tank 117 is converged with the gas phase of separator 116 after condensation, by vacuum pump 119, enter next stage separator 120, gas phase emptying after separated, liquid phase is returned to vacuum separation tank 117 through water cooler 121, and the liquid phase of vacuum separation tank 117 is delivered to coal-grinding workshop section through vacuum pump 122.In subsider 115, the buck of clarification, after buck storage tank 123, then is sent to deoxygenation groove 107 and sewage disposal through pipeline 124 respectively, and bottom mortar is sent to pressure filter 125 and processes.The shortcoming of this technique is as follows:
In above technical process, the pressure energy in the high pressure Heisui River (before throttling valve 101) that gasification workshop section produces is not utilized effectively, and this part considerable energy consumes in vain on reducing valve 101, causes whole grey water handing and coal gasification course energy consumption higher.
The flashed vapour that hp flash drum 102 produces dodges interchanger 103 heating high-pressure bucks through height, then delivers to CO transformation system after too high sudden strain of a muscle separator 104.When hp flash drum 102 working pressures must be by discharging or regulating to the mode of total flare discharge on the spot when too high, because flashed vapour has higher water-gas ratio, often cause the total torch of factory to extinguish maybe and cannot light, and discharge also can cause environmental pollution or personal injury on the spot, thereby produce environmental accident and potential safety hazard.
Control mode imperfection.Due to the defect of control mode, some equipment and process difficult parameters are to realize accurate control or steady running, as superpressure adjusting of hp flash drum 102 etc.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of gasification grey water treatment system is provided, this technique coupling system is by the improvement to existing technique, energy by reasonable science utilizes, and can effectively solve the problems such as the energy dissipation that exists in existing technique, environmental pollution, complex operation.
The object of the invention is to be achieved through the following technical solutions:
This gasification grey water handing technique, comprises the following steps:
1) discharge pressure energy
First gasification Heisui River is discharged to pressure energy and make its pressure decreased, and reclaim the pressure energy that gasification Heisui River discharges, the pressure energy of release is converted into mechanical energy and externally does work;
2) multistage flash evaporation
Make to enter successively hp flash drum, low pressure flash chamber and two-stage vacuum flash tank and carry out flash distillation processing through discharging the gasification Heisui River of pressure energy, then through subsider, remove macrobead solid impurity, finally that solid impurity is separated; Make the gas phase of hp flash drum enter the high separator that dodges and carry out gas-liquid separation, make gas phase go conversion or total torch emptying, liquid phase reclaims through deoxygenation groove;
3) make the gas phase of low pressure flash enter deoxygenation groove, make to be recovered after itself and grey water direct contact heat-exchanging, the low pressure buck after processing becomes high pressure buck after heating, then reclaims the heat of high pressure flash gas, is then sent to gasification workshop section and uses.
Further, make step 1) in the pressure energy in gasification Heisui River of reclaiming by merit amount interchanger and impeller pump to described step 3) in treated low pressure buck combine pressurization.
The present invention also proposes a kind of gasification grey water treatment system of realizing above-mentioned technique, comprises merit amount interchanger, high pressure ash water pump, hp flash drum, high interchanger, high separator, low pressure flash chamber, deoxygenation groove, vacuum flasher, subsider, separator, vacuum separation tank, separator, buck storage tank and the pressure filter of dodging of dodging.Described merit amount interchanger is connected with described high pressure ash water pump by clutch coupling, the low pressure outlet end of described merit amount interchanger is connected with the entrance end of described hp flash drum by pipeline, the upper gaseous phase exit end of described hp flash drum dodges through height the entrance end that interchanger connects paramount sudden strain of a muscle separator by pipeline, the bottom liquid-phase outlet end of described hp flash drum is connected to the entrance end of low pressure flash chamber, the upper gaseous phase exit end of described low pressure flash chamber is connected to deoxygenation groove through too low sudden strain of a muscle interchanger, the bottom liquid-phase outlet end of low pressure flash chamber together connects into vacuum flasher top with gasification pulp water pipeline exit end, the upper end exit end on vacuum flasher top is connected to the entrance end of separator through the first condenser, the liquid-phase outlet end of vacuum flasher bottom is connected to the entrance end of subsider, the outlet at bottom end of described deoxygenation groove and dispersion agent pipeline are together connected to the entrance end of high pressure ash water pump, and described high pressure buck pump outlet end connects paramount sudden strain of a muscle interchanger, described high pressure ash water pump is also connected to the entrance end of deoxygenation groove through reverse flow valve, described vacuum flasher bottom gas phase is connected to the entrance end of vacuum separation tank by the second condenser, the entrance end of described vacuum separation tank is also connected to the exit end of separator bottom, the upper gaseous phase exit end of described vacuum separation tank is together connected to the inlet side of the first vacuum pump after the 3rd condenser with the gaseous phase outlet end of described separator upper end, described the first vacuum pump go out the entrance end that end is connected to described separator, the outlet at bottom end of described separator is connected to the entrance end of vacuum separation tank through supercooler, the bottom liquid phases of vacuum separation tank is connected to coal-grinding workshop section by the second vacuum pump, the top clear liquor exit end of described subsider is connected to the entrance end of buck storage tank, and the exit end of described buck storage tank connects Sewage treatment systems and deoxygenation groove.
Further, the pipeline in above gasification Heisui River is divided into two branch roads, and wherein a branch road is connected with the entrance end of described merit amount interchanger, and another branch road is connected to the entrance end of hp flash drum by throttling valve (204).
The above-mentioned grey water lines from buck storage tank is connected and enters deoxygenation groove after converging with raw water tubes road, the described high liquid-phase outlet pipeline that dodges separator also enters deoxygenation groove with conversion phlegma from another location, the high gas phase pipeline that dodges separator is sent to conversion section through the first variable valve, and the high gas phase pipeline that dodges separator is also sent to total torch by another branch road through the second variable valve.
Above-mentioned merit amount interchanger adopts turbine type.
The present invention has following beneficial effect:
1. the present invention arranges merit amount exchange process, and contained pressure energy in the coal gasified black water of recovery High Temperature High Pressure, is converted into mechanical energy and externally does work.
2. merit amount interchanger set-up mode of the present invention adopts and is coaxially connected with impeller pump, and merit amount interchanger coaxially passes to high pressure ash water pump by the pressure energy of recovery, for helping acting, saves energy consumption.
3. the treated buck of the present invention is combined after pressurization with motor-driven impeller pump through merit amount interchanger, then reclaims high pressure flash gas heat, is then sent to gasification workshop section and uses, and can under abnomal condition, make impeller pump adopt electric energy to drive, and emergency capability is strong.
4. gasification high pressure of the present invention Heisui River pressure drop after merit amount interchanger, then be sent to high pressure flash and process, flash distillation flow process afterwards does not change.
5. for the ease of high pressure flash pressure tank, regulate, prevent superpressure, at height, dodge before separator is gone to the control valve of conversion section and one variable valve is set and leads to total torch, avoided torch to extinguish or the directly generation of the environmental accident such as discharge.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of prior art;
Fig. 2 is process flow sheet of the present invention.
Wherein: in Fig. 1, 101-throttling valve, 102-hp flash drum, the high interchanger that dodges of 103-, the high separator that dodges of 104-, 105-low pressure flash chamber, the low sudden strain of a muscle interchanger of 106-, 107-deoxygenation groove, 108-high pressure ash water pump, 109-reflux pipeline, 110-sound damper, 111-vacuum flasher top, 112-vacuum flasher bottom, 113-condenser, 114-condenser, 115-subsider, 116-separator, 117-vacuum separation tank, 118-condenser, 119-vacuum pump, 120-separator, 121-water cooler, 122-vacuum pump, 123-buck storage tank, 124-ash water pipeline, 125-pressure filter,
In Fig. 2, 201-merit amount interchanger, 202-clutch coupling, 203-high pressure ash water pump, 204-throttling valve, 205-hp flash drum, the high interchanger that dodges of 206-, the high separator that dodges of 207-, 208-low pressure flash chamber, the low sudden strain of a muscle interchanger of 209-, 210-deoxygenation groove, 211-reverse flow valve, 212-vacuum flasher top, 213-vacuum flasher bottom, 214-the first condenser, 215-the second condenser, 216-subsider, 217-separator, 218-vacuum separation tank, 219-the 3rd condenser, 220-the first vacuum pump, 221-separator, 222-water cooler, 223-the second vacuum pump, 224-buck storage tank, 225-ash water pipeline, 226-pressure filter, 227-sound damper, 228-the first variable valve, 229-the second variable valve.
Embodiment
First the present invention proposes a kind of gasification grey water handing technique, and this technique specifically comprises the following steps:
1) discharge pressure energy
First gasification Heisui River is discharged to pressure energy and make its pressure decreased, and reclaim the pressure energy that gasification Heisui River discharges, the pressure energy of release is converted into mechanical energy and externally does work;
2) multistage flash evaporation
Make to enter successively hp flash drum, low pressure flash chamber and two-stage vacuum flash tank and carry out flash distillation processing through discharging the gasification Heisui River of pressure energy, then through subsider, remove macrobead solid impurity, finally that solid impurity is separated; Make the gas phase of hp flash drum enter the high separator that dodges and carry out gas-liquid separation, make gas phase go conversion or total torch emptying, liquid phase reclaims through deoxygenation groove;
3) make the gas phase of low pressure flash enter deoxygenation groove, make to be recovered after itself and grey water direct contact heat-exchanging, the low pressure buck after processing becomes high pressure buck after pressurization, then reclaims the heat of high pressure flash gas, is then sent to gasification workshop section and uses.Make step 1) in the pressure energy in gasification Heisui River of reclaiming by merit amount interchanger and impeller pump to described step 3) in treated low pressure buck combine pressurization.
According to above technological design, the present invention also proposes a kind of for realizing the gasification grey water treatment system of above-mentioned technique, below in conjunction with accompanying drawing, system of the present invention is described in further detail:
Referring to Fig. 2: this kind of gasification grey water treatment system, comprises merit amount interchanger 201, high pressure ash water pump 203, hp flash drum 205, high interchanger 206, high separator 207, low pressure flash chamber 208, deoxygenation groove 210, vacuum flasher, subsider 216, separator 217, vacuum separation tank 218, separator 221, buck storage tank 224 and the pressure filter 226 of dodging of dodging.Merit amount interchanger 201 is connected with high pressure ash water pump 203 by clutch coupling 202, the low pressure outlet end of merit amount interchanger 201 is connected with the entrance end of hp flash drum 205 by pipeline, the upper gaseous phase exit end of hp flash drum 205 dodges through height the entrance end that interchanger 206 connects paramount sudden strain of a muscle separator 207 by pipeline, the bottom liquid-phase outlet end of hp flash drum 205 is connected to the entrance end of low pressure flash chamber 208, the upper gaseous phase exit end of low pressure flash chamber 208 is connected to deoxygenation groove 210 through too low sudden strain of a muscle interchanger 209, the bottom liquid-phase outlet end of low pressure flash chamber 208 together connects into vacuum flasher top 212 with gasification pulp water pipeline exit end, the gaseous phase outlet end on vacuum flasher top 212 is connected to the entrance end of separator 217 through the first condenser 214, the liquid-phase outlet end of vacuum flasher bottom 213 is connected to the entrance end of subsider 216, the outlet at bottom end of deoxygenation groove 210 and dispersion agent pipeline are together connected to the entrance end of high pressure ash water pump 203, and the exit end of high pressure ash water pump 203 connects paramount sudden strain of a muscle interchanger 206, high pressure ash water pump 203 is also connected to the entrance end of deoxygenation groove 210 through reverse flow valve 211, the gas phase of vacuum flasher bottom 213 is connected to the entrance end of vacuum separation tank 218 by the second condenser 215, the entrance end of vacuum separation tank 218 is also connected to the exit end of separator 217 bottoms, the upper gaseous phase exit end of vacuum separation tank 218 is together connected to the inlet side of the first vacuum pump 220 after the 3rd condenser 219 with the gaseous phase outlet end of separator 217 upper ends, the first vacuum pump 220 go out the entrance end that end is connected to described separator 221, the outlet at bottom end of separator 221 is connected to the entrance end of vacuum separation tank 218 through supercooler 222, the bottom liquid phases of vacuum separation tank 218 is connected to coal-grinding workshop section by the second vacuum pump 223, the top clear liquor exit end of subsider 216 is connected to the entrance end of buck storage tank 224, and the exit end of buck storage tank 224 connects Sewage treatment systems and deoxygenation groove 210.In preferred version of the present invention, the pipeline in the gasification Heisui River of this system is divided into two branch roads, and wherein a branch road is connected with the entrance end of merit amount interchanger 201, and another branch road is connected to the entrance end of hp flash drum 205 by throttling valve 204.After the grey water lines of buck storage tank 224 is converged with raw water tubes road, be connected and enter deoxygenation groove 210, the high liquid-phase outlet pipeline that dodges separator 207 also enters deoxygenation groove 210 with conversion phlegma from another location, the high gas phase pipeline that dodges separator 207 is sent to conversion section through the first variable valve 228, and the high gas phase pipeline that dodges separator 207 also can be sent to total torch through the second variable valve 229 by another branch road.
Below the working process of the gasification grey water treatment system of the invention described above is described in detail:
First discharge from low-tension side after merit amount interchanger 201 discharges pressure energy in gasification Heisui River, then enter hp flash drum 205 and under the pressure of 1.0MPa, carry out flash distillation, gained gas phase is dodged interchanger 206 from top by height and is entered the high separator 207 that dodges, and gained liquid phase enters low pressure flash chamber 208 through bottom pressure relief valve.In low pressure flash chamber 208, liquid phase is under the pressure of 0.09MPa after flash distillation, and gas phase enters deoxygenation groove 210 after too low sudden strain of a muscle interchanger 209; Liquid phase together enters vacuum flasher top 212 with gasification pulp water.The interior buck of deoxygenation groove 210 adds dispersion agent to enter high pressure ash water pump 203 entrances by bottom pipe.Merit amount interchanger 201 and high pressure ash water pump 203 is connected to realize merit amount and transmits by clutch coupling 202 is coaxial, through a buck part of combining after pressurization, after too high sudden strain of a muscle interchanger 206 heating, enter gasification workshop section, another part is got back to deoxygenation groove 210 by reverse flow valve 211.Under damage, (as driving, merit amount switch failure etc.) high pressure Heisui River can enter hp flash drum 205 by by-pass throttle valve 204, merit amount interchanger 201 is placed in short-circuit condition, impeller pump 203 relies on separately motor operation, and flow process returns to original flow process.
In vacuum flasher top 212, working pressure is-0.06MPa, and gained gas phase enters separator 217 through the first condenser 214, and gained liquid phase enters vacuum flasher bottom 213 through variable valve.Bottom under-0.09MPa after flash distillation operation temperature be reduced to 45 ℃, gas phase enters vacuum separation tank 218 through the second condenser 215, the gas phase of vacuum separation tank 218 is converged with the gas phase of separator 217 after the 3rd condenser 219, by the first vacuum pump 220, send into next stage separator 221 again, gas phase emptying after separated, liquid phase is returned to vacuum separation tank 218 after water cooler 222 is cooling, and the liquid phase of vacuum separation tank 218 is delivered to coal-grinding workshop section through the second vacuum pump 223 and carried out second stage employ.
The liquid phase of vacuum flasher bottom 213 is removed macrobead solid impurity through subsider 216, and gained clear liquor is sent to deoxygenation groove 210 through pipeline 225 again after buck storage tank 224, also has small part to send out-of-bounds (sewage disposal); Gained mortar is sent to filtering equipment 226 and processes.After converging from the buck of buck storage tank 224 and Yuan Shui, enter deoxygenation groove 210.High liquid phase of dodging separator 207 also enters deoxygenation groove 210 with conversion phlegma from another location, high gas phase of dodging separator 207 is sent to conversion section through the first variable valve 228, under damage, also can be sent to total torch by the second variable valve 229.
For the ease of hp flash drum 205 pressure, regulate, prevent superpressure, at height, dodge separator 207 and go to one the second variable valve 229 of the front setting of the first variable valve 228 of conversion section and lead to total torch.The gas phase of hp flash drum 205 contained humidity after supercooler and separator greatly reduces, and has avoided torch to extinguish or the direct environmental accident such as discharge, has realized pressure simultaneously and has regulated and two targets of environmental benefit.This valve should be set to program control variable valve, and is set to manually control HIC form, with handled easily personnel, regulates.
In sum, technique of the present invention and system have solved that existing procedure energy consumption is high, environmental benefit is poor, the defect of fluctuation of service, have feature simple in structure, easy to maintenance simultaneously.
Claims (3)
1. a gasification grey water treatment system, comprise merit amount interchanger (201), high pressure ash water pump (203), hp flash drum (205), the high interchanger (206) that dodges, the high separator (207) that dodges, low pressure flash chamber (208), deoxygenation groove (210), vacuum flasher, subsider (216), the first separator (217), vacuum separation tank (218), the second separator (221), buck storage tank (224) and pressure filter (226), it is characterized in that: described merit amount interchanger (201) is connected with described high pressure ash water pump (203) by clutch coupling (202), the low pressure outlet end of described merit amount interchanger (201) is connected with the entrance end of described hp flash drum (205) by pipeline, the upper gaseous phase exit end of described hp flash drum (205) dodges through height the entrance end that interchanger (206) connects paramount sudden strain of a muscle separator (207) by pipeline, the bottom liquid-phase outlet end of described hp flash drum (205) is connected to the entrance end of low pressure flash chamber (208), the upper gaseous phase exit end of described low pressure flash chamber (208) is connected to deoxygenation groove (210) through too low sudden strain of a muscle interchanger (209), the bottom liquid-phase outlet end of low pressure flash chamber (208) together connects into vacuum flasher top (212) with gasification pulp water pipeline exit end, the upper end exit end on vacuum flasher top (212) is connected to the entrance end of the first separator (217) through the first condenser (214), the liquid-phase outlet end of vacuum flasher bottom (213) is connected to the entrance end of subsider (216), the outlet at bottom end of described deoxygenation groove (210) and dispersion agent pipeline are together connected to the entrance end of high pressure ash water pump (203), and the exit end of described high pressure ash water pump (203) connects paramount sudden strain of a muscle interchanger (206), described high pressure ash water pump (203) also passes through the inlet side that reverse flow valve (211) is connected to deoxygenation groove (210), described vacuum flasher bottom (213) gas phase is connected to the entrance end of vacuum separation tank (218) by the second condenser (215), the entrance end of described vacuum separation tank (218) is also connected to the exit end of the first separator (217) bottom, the upper gaseous phase exit end of described vacuum separation tank (218) is together connected to the entrance end of the first vacuum pump (220) after the 3rd condenser (219) with the gaseous phase outlet end of described the first separator (217) upper end, the exit end of described the first vacuum pump (220) is connected to the entrance end of described the second separator (221), the outlet at bottom end of described the second separator (221) is connected to the entrance end of vacuum separation tank (218) through supercooler (222), the bottom of vacuum separation tank (218) is connected to coal-grinding workshop section by the second vacuum pump (223), the top clear liquor exit end of described subsider (216) is connected to the entrance end of buck storage tank (224), and the exit end of described buck storage tank (224) connects Sewage treatment systems and deoxygenation groove (210).
2. gasification grey water treatment system according to claim 1, it is characterized in that, the described high gas phase pipeline that dodges separator (207) is sent to conversion section through the first variable valve (228), and the high gas phase pipeline that dodges separator (207) is also sent to total torch by another branch road through the second variable valve (229).
3. gasification grey water treatment system according to claim 1, is characterized in that, described merit amount interchanger (201) adopts turbine type.
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| CN201110357838.2A CN102557315B (en) | 2011-11-11 | 2011-11-11 | Process and system for treating gasified grey water |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275761A (en) * | 2013-06-25 | 2013-09-04 | 朱清敏 | Method and device for manufacturing chemical virgin gas with solid organic materials |
| CN105060376B (en) * | 2015-08-03 | 2017-06-16 | 久泰能源内蒙古有限公司 | The apparatus and method of Coal Chemical Industry gasification Heisui River waste heat overbottom pressure comprehensive utilization |
| CN107541294A (en) * | 2016-06-28 | 2018-01-05 | 通用电气神华气化技术有限公司 | Hydrocarbon gasification system and internal heat integrate Application way |
| CN106587233B (en) * | 2016-10-12 | 2019-02-19 | 王文领 | A kind of method of comprehensive utilization of coal chemical industry gasification Heisui River high temperature flashed vapour |
| CN107399870B (en) * | 2017-09-07 | 2020-02-28 | 安徽省鸿鑫生物科技有限公司 | Texaco gasifier black water heat recovery processing system |
| CN111453906B (en) * | 2020-03-31 | 2024-01-19 | 陕西聚能新创煤化科技有限公司 | Coal gasification black water treatment system and treatment process |
| CN112479291A (en) * | 2020-10-28 | 2021-03-12 | 中石化宁波工程有限公司 | Direct heat exchange black water two-stage waste heat recovery equipment and process |
| CN112107875B (en) * | 2020-10-29 | 2023-08-15 | 上海华谊工程有限公司 | Flash evaporation steam stripping cooling system and black water treatment process using same |
| CN112850828B (en) * | 2021-01-18 | 2022-04-26 | 中国神华煤制油化工有限公司 | Black water treatment system |
| CN116354480A (en) * | 2023-03-30 | 2023-06-30 | 实联化工(江苏)有限公司 | Torch sewage treatment device and process |
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| US20030015216A1 (en) * | 2001-07-16 | 2003-01-23 | Tom Nicolosi | Megasonic cleaner probe system with gasified fluid |
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