CN109650520A - Utilize the device of supercritical water oxidation processing organic liquid waste - Google Patents
Utilize the device of supercritical water oxidation processing organic liquid waste Download PDFInfo
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- CN109650520A CN109650520A CN201910097391.6A CN201910097391A CN109650520A CN 109650520 A CN109650520 A CN 109650520A CN 201910097391 A CN201910097391 A CN 201910097391A CN 109650520 A CN109650520 A CN 109650520A
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- Prior art keywords
- supercritical water
- organic liquid
- reactor
- liquid waste
- valve
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
The invention discloses a kind of devices using supercritical water oxidation processing organic liquid waste, wherein including feed system, supercritical water reaction system and the refrigerated separation recovery system being sequentially connected；Feed system includes organic liquid waste delivery pipe and hydrogen peroxide delivery pipe；Supercritical water reaction system includes reactor and cooling component, and reactor outer sheath is equipped with preheating assembly and heating component, and organic liquid waste delivery pipe and hydrogen peroxide delivery pipe are connected with the feed inlet of reactor, and the discharge port of reactor is connected with cooling component；Refrigerated separation recovery system includes spiral cooler, gas-liquid separator and accumulator tank, and cooling component is connected with the entrance of spiral cooler, and the outlet of spiral cooler is connected with the entrance of gas-liquid separator, and the exhaust outlet of gas-liquid separator is connected with accumulator tank.Ingenious in design, high reliablity of the invention, oxygenolysis organic liquid waste it is high-efficient, it is easy to operate using valve using gravity salt discharge without introducing combustion adjuvant starting technique using infrared heating.
Description
Technical field
The present invention relates to a kind of device for handling organic liquid waste more particularly to a kind of utilization supercritical water oxidation processing are organic
The device of waste liquid.
Background technique
Supercritical water oxidation (Supercritical Water Oxidation, abbreviation SCWO) technology is a kind of can be achieved
A variety of debirs are carried out with the technology of deep oxidation processing.The principle of supercritical Water Oxidation Technology is with supercritical water for reaction
Organic matter complete oxidation is clean H by homogeneous oxidation reaction by medium2O、CO2And N2Equal substances, S, P etc. are converted into
Highest price salt stabilizes, and heavy metal oxidation stable solid phase is present in ash content.Since supercritical water is equal to organic matter and oxygen
It is fabulous solvent, therefore the oxidation of organic matter can carry out in oxygen-enriched homogeneous phase, there is no because needing Xiang Wenzhuan for reaction
The limitation for moving and generating.Meanwhile 400~600 DEG C of high reaction temperature also accelerates reaction speed, it can be in reaction in several seconds
In, that is, it can reach 99% or more destructive rate.In addition, supercritical water oxidation is to a certain extent and simple burned
Journey is similar, and a large amount of heat is released in oxidation process.
Although supercritical water oxidation method has lot of advantages, the operating condition of high temperature and pressure is undoubtedly to equipment material
Propose strict requirements.On the other hand, although in the property of supercritical water and substance solubility wherein and super facing
Some researchs are carried out in terms of the reaction kinetics and mechanism of boundary's water chemistry reaction, but these are overcritical with exploitation, design and control
Knowledge necessary to water oxidation process is compared with data, also far from meeting the requirements.When actually carrying out engineering design, in addition to considering
Other than the reacting dynamics characteristic of system, it is necessary to pay attention to the factor in terms of some engineerings, such as precipitating, the catalysis of burn into salt
Use, heat transfer of agent etc..
Summary of the invention
The present invention provides a kind of devices using supercritical water oxidation processing organic liquid waste, have oxidation operation point
Solution at the nontoxic small molecule compound such as carbon dioxide, water, nitrogen and salt function.
Specific technical solution is as follows:
A kind of device using supercritical water oxidation processing organic liquid waste, wherein including the feed system, super being sequentially connected
Critical reaction system and refrigerated separation recovery system；Feed system includes organic liquid waste delivery pipe and hydrogen peroxide delivery pipe；It is super
Critical reaction system includes reactor and cooling component, and reactor outer sheath is equipped with preheating assembly and heating component, organic waste
Liquid delivery pipe and hydrogen peroxide delivery pipe are connected with the feed inlet of reactor, and the discharge port of reactor is connected with cooling component；It is cold
But separation and recovery system includes spiral cooler, gas-liquid separator and accumulator tank, the entrance phase of cooling component and spiral cooler
Even, the outlet of spiral cooler is connected with the entrance of gas-liquid separator, and the exhaust outlet of gas-liquid separator is connected with accumulator tank.
It further, further include threeway, threeway includes two entrances and one outlet, and organic liquid waste delivery pipe and hydrogen peroxide are defeated
Pipe is sent to be connected respectively with the two entrances of threeway, the outlet and the feed inlet phase of the reactor of supercritical water reaction system of threeway
Even.
It further, further include the first valve, the first valve uses needle valve, one end of the first valve and the outlet phase of threeway
Even, the other end is connected with the feed inlet of the reactor of supercritical water reaction system.
Further, preheating assembly includes preheating furnace, and heating component includes heating furnace, and preheating furnace and heating furnace are opposite opened
Tubular heater, preheating furnace and heating furnace are sequentially set in the outside of reactor；Preheating furnace is positioned close to reactor feed mouth
One end, heating furnace is positioned close to one end of reactor discharge port.
Further, the power of preheating furnace is less than the power of heating furnace, to reduce energy consumption.
Further, cooling component includes straight pipe condensation device, pipeline compensator, and the reactor of supercritical water reaction system goes out
Material mouth is connected with the entrance of straight pipe condensation device, and the outlet of straight pipe condensation device is connected with pipeline compensator, pipeline compensator and blowdown
Mouth is connected.
Further, it is provided with cooling water outlet and cooling water inlet on straight pipe condensation device, cooling water outlet is close to reactor
Discharge port setting, cooling water inlet close to pipeline compensator be arranged.
It further, further include the first temperature tube, the second temperature tube, the first temperature tube is arranged in preheating assembly and heating component
Between, the second temperature tube is arranged between pipeline compensator and refrigerated separation recovery system.
Further, it is provided with the first feed check valve in organic liquid waste delivery pipe, is provided with second in hydrogen peroxide delivery pipe
Feed check valve；It is provided with counterbalance valve between spiral cooler and gas-liquid separator, is arranged between spiral cooler and counterbalance valve
There is relief valve.
It further, further include first pressure gauge and second pressure gauge, first pressure gauge is arranged at the feed inlet of reactor,
Second pressure gauge is arranged between spiral cooler and counterbalance valve.
Ingenious in design, high reliablity of the invention, oxygenolysis organic liquid waste it is high-efficient, using infrared heating, without drawing
Enter combustion adjuvant starting technique, makes to simplify the structure.Gravity salt discharge is utilized using valve, without water or other solvent salt discharges,
Simplify experimentation.
Detailed description of the invention
Fig. 1 is the overall schematic of the device of the invention that organic liquid waste is handled using supercritical water oxidation；
Fig. 2 is the flow chart of the device of the invention that organic liquid waste is handled using supercritical water oxidation；
Fig. 3 is the schematic diagram of the feed system of the device of the invention that organic liquid waste is handled using supercritical water oxidation；
Fig. 4 is showing for the supercritical water reaction system of the device of the invention that organic liquid waste is handled using supercritical water oxidation
It is intended to；
Fig. 5 is the signal of the cooling separation of the device of the invention that organic liquid waste is handled using supercritical water oxidation
Figure.
Specific embodiment
In order to be best understood from the purpose of the present invention, function and specific design scheme, with reference to the accompanying drawing, to the present invention
Using supercritical water oxidation processing organic liquid waste device be described in further detail.
As depicted in figs. 1 and 2, the device of the invention using supercritical water oxidation processing organic liquid waste includes feed system
1, supercritical water reaction system 2 and refrigerated separation recovery system 3, feed system 1, supercritical water reaction system 2 and refrigerated separation
Recovery system 3 is sequentially connected with.Organic liquid waste is delivered to material feeding system 1 through high-pressure pump, and organic liquid waste is delivered to super by material feeding system 1
Critical reaction system carries out oxygenolysis, and after the completion of oxygenolysis, solid waste is expelled directly out, remaining gas and liquid into
Enter cooling separation 3 and carry out gas-liquid separation, to complete the oxygenolysis to organic liquid waste.
Specifically, as shown in figure 3, feed system 1 include organic liquid waste delivery pipe 11, hydrogen peroxide delivery pipe 12, first into
Expect check valve 13 and the second feed check valve 14.The first feed check valve 13, hydrogen peroxide are provided in organic liquid waste delivery pipe 11
The second feed check valve 14 is provided in delivery pipe 12, the first feed check valve 13 and the second feed check valve 14 can avoid super face
Feed liquid reverse flow in boundary's water reaction system 2.Organic liquid waste delivery pipe 11 and hydrogen peroxide delivery pipe 12 by threeway 15 and surpass
Critical reaction system 2 connects, and threeway 15 includes two entrances and one outlet, and organic liquid waste delivery pipe 11 and hydrogen peroxide convey
Pipe 12 is connected with two imports respectively, and outlet is connected with supercritical water reaction system 2.
It preferably, further include the first valve 51, one end of the first valve 51 is connected with threeway 15, the other end and supercritical water
Reaction system 2 is connected, and the first valve 51 in case of emergency can prevent organic liquid waste from entering in supercritical water reaction system 2, the
One valve 51 uses needle valve, and needle valve valve shape is resistant to bigger pressure, good seal performance, institute than other kinds of valve
To be generally used for smaller flow, the sealing of the gas or liquid medium of elevated pressures, therefore it is very suitable to use of the invention
Environment.
As shown in figure 4, supercritical water reaction system 2 includes reactor 21, preheating assembly 22, heating component 23, cooling group
Part 24 and sewage draining exit 25.Reactor 21 is pipeline type, and reactor 21 is set as maximum operating temperature from design and select material to be reached
800 DEG C, receiving maximum pressure is 30MPa, and corrosion-resistant, requires to consider heat distortion and weld seam leakage problem from processing,
The material of the reactor 21 of the present embodiment is INCONEL690.Reactor 21 includes inlet port and outlet port, feed inlet and threeway
15 outlet is connected, and discharge port is connected with cooling component 24.
Preheating assembly 22 includes preheating furnace 221, and the preheating furnace 221 of the present embodiment is opposite opened tubular heater, and use is red
External heat, preheating furnace 221 are set in the outside of reactor 21.Heating component 23 includes heating furnace 231, the heating furnace of the present embodiment
231 be opposite opened tubular heater, and using infrared heating, heating furnace 231 is set in the outside of reactor 21.Preheating furnace 221 is set
It sets in one end of the feeding inlet close to reactor 21, heating furnace 231 is positioned close to one end of the discharge port of reactor 21.It is worth
It is noted that the power of preheating furnace 221 is less than the power of heating furnace, the preheating furnace 221 of the present embodiment uses 2kw opposite opened tubular type
Heating furnace, heating furnace 231 uses 4kw open type tubular heater, thus achieve the purpose that power saving, save the cost.
It is provided with gap between preheating assembly 22 and heating component 23, the first temperature tube 25 is provided in gap, first surveys
Warm pipe 25 is connected with reactor 21, for detecting the temperature in preheating post-reactor 21.
Cooling component 24 includes straight pipe condensation device 241, pipeline compensator 242, the reactor 21 of supercritical water reaction system 2
Discharge port be connected with straight pipe condensation mechanism 241, straight pipe condensation mechanism 241 is connected with pipeline compensator 242, pipeline compensator
242 are connected with sewage draining exit 27, and sewage draining exit 27 includes solids hold chamber 271 and sewage draining valve 272, cold by straight pipe condensation device 241
But for the organic liquid waste after when flowing through sewage draining exit 27, solid in organic liquid waste falls into solids hold chamber due to the effect of gravity
In 271.After the completion of oxygenolysis, opening sewage draining valve 272, solid can be discharged organic liquid waste.
As shown in figure 5, pipeline compensator 242 is also connected with refrigerated separation recovery system 3.Preferably, pipeline compensator 242
The second temperature tube 26 is provided between refrigerated separation recovery system 3, the second temperature tube 26 passes through straight pipe condensation device for detecting
The temperature of 241 organic liquid wastes after cooling.It is cold that pipeline compensator 242 can compensate the heat expansion that pipeline is generated by temperature change
Contracting.If when temperature change pipeline cannot completely freely expansion or shrinkage, thermal stress will be generated in pipeline, thermal stress will lead to
Pipeline breaking influences the progress normally produced so as to cause the shutdown of equipment.
It is worth noting that, being provided with cooling water outlet and cooling water inlet on straight pipe condensation device 241, cooling water outlet is set
It sets in one end close to 21 discharge port of reactor, cooling water inlet is arranged close to pipeline compensator 241, so that straight pipe condensation device
241 cooling effect reaches best.
Refrigerated separation recovery system 3 includes spiral cooler 31, gas-liquid separator 32 and accumulator tank 33, spiral cooler 31
Entrance be connected with pipeline compensator 242, by the cooled liquid of straight pipe condensation device 241 flow into spiral cooler 31 carry out into
One step is cooling.It is worth noting that, the water outlet of the cooling water of spiral cooler 31 is arranged close to pipe type compensator 242, spiral
The water inlet of the cooling water of condenser 31 is arranged far from pipe type compensator 242, so that the cooling effect of spiral cooler 31 reaches
Most preferably.
The outlet of spiral cooler 31 is connected with gas-liquid separator 32, and gas-liquid separator 32 includes exhaust outlet 321 and drain
Mouth 322, exhaust outlet 321 is connected with accumulator tank 33.It is worth noting that, also being set between spiral cooler 31 and gas-liquid separator 32
It is equipped with counterbalance valve 34, the first feed check valve 13, the second feed check valve 14 and counterbalance valve 34 are to guarantee inside the present invention
High pressure.It is worth noting that, the both ends of counterbalance valve 34 are connected with the second valve 52 and third valve 53 respectively, the present embodiment
Second valve 52 and third valve 53 also use needle valve.It preferably, further include third temperature tube 35, third temperature tube 35 is arranged
Between spiral cooler 31 and counterbalance valve 34, third temperature tube 35 is after cooling organic by surveying spiral cooler 31 for examining
The temperature of waste liquid.
It preferably, as shown in Figure 3 and Figure 5, further include first pressure gauge 4 and second pressure gauge 5, first pressure gauge 4 is arranged
Between threeway 15 and preheating assembly 22, first pressure gauge 4 is used to detect the pressure for the organic liquid waste come in through feed system；The
Two pressure gauges 5 are arranged between third temperature tube 35 and counterbalance valve 34, have for detecting from what the outlet of spiral cooler 31 came out
The pressure of machine waste liquid.It is provided with pressure gauge needle valve in first pressure gauge 4 and second pressure gauge 5, in superpressure, is closed in time
Pressure gauge needle valve is to protect pressure gauge.
Preferably, relief valve 6, the pressure inside the present invention are additionally provided between third temperature tube 35 and second pressure gauge 5
When power is more than preset pressure, relief valve 6 is opened, and is released stress, to prevent dangerous generation.
In the use of the present invention, hydrogen peroxide and organic liquid waste are pumped into feed system 1 through high-pressure pump respectively, from feed system
1 is delivered to supercritical water reaction system 2, carries out heating simultaneously oxygenolysis in supercritical water reaction system 2, passes through straight tube later
Condenser 241 is cooled down, the solid in organic liquid waste after cooling from salt outlet be discharged, liquid enter spiral cooler 31 into
One step is cooling, and organic liquid waste after cooling enters in gas-liquid separator 32, and liquid is discharged through leakage fluid dram 322, and gas is through exhaust outlet
321 enter accumulator tank 33.
Ingenious in design, high reliablity of the invention, oxygenolysis organic liquid waste it is high-efficient, using infrared heating, without drawing
Enter combustion adjuvant starting technique, makes to simplify the structure.Gravity salt discharge is utilized using valve, without water or other solvent salt discharges,
Simplify experimentation.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction for the essence of the present invention with range, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment belong to the range that the present invention is protected.
Claims (10)
1. a kind of device using supercritical water oxidation processing organic liquid waste, which is characterized in that including the charging system being sequentially connected
System, supercritical water reaction system and refrigerated separation recovery system；Feed system includes organic liquid waste delivery pipe and hydrogen peroxide conveying
Pipe；Supercritical water reaction system includes reactor and cooling component, and reactor outer sheath is equipped with preheating assembly and heating component, has
Machine waste liquid delivery pipe and hydrogen peroxide delivery pipe are connected with the feed inlet of reactor, discharge port and the cooling component phase of reactor
Even；Refrigerated separation recovery system includes spiral cooler, gas-liquid separator and accumulator tank, and cooling component and spiral cooler enter
Mouth is connected, and the outlet of spiral cooler is connected with the entrance of gas-liquid separator, and the exhaust outlet of gas-liquid separator is connected with accumulator tank.
2. utilizing the device of supercritical water oxidation processing organic liquid waste as described in claim 1, which is characterized in that further include three
Logical, threeway includes two entrances and one outlet, and organic liquid waste delivery pipe and hydrogen peroxide delivery pipe enter with two of threeway respectively
Mouth is connected, and the outlet of threeway is connected with the feed inlet of the reactor of supercritical water reaction system.
3. utilizing the device of supercritical water oxidation processing organic liquid waste as claimed in claim 2, which is characterized in that further include the
One valve, the first valve use needle valve, and one end of the first valve is connected with the outlet of threeway, the other end and supercritical water reaction
The feed inlet of the reactor of system is connected.
4. utilizing the device of supercritical water oxidation processing organic liquid waste as described in claim 1, which is characterized in that preheating assembly
Including preheating furnace, heating component includes heating furnace, and preheating furnace and heating furnace are opposite opened tubular heater, preheating furnace and heating
Furnace is sequentially set in the outside of reactor；Preheating furnace is positioned close to one end of reactor feed mouth, and heating furnace is positioned close to
One end of reactor discharge port.
5. utilizing the device of supercritical water oxidation processing organic liquid waste as claimed in claim 4, which is characterized in that preheating furnace
Power is less than the power of heating furnace, to reduce energy consumption.
6. utilizing the device of supercritical water oxidation processing organic liquid waste as described in claim 1, which is characterized in that cooling component
Including straight pipe condensation device, pipeline compensator, the discharge port of the reactor of supercritical water reaction system and the entrance of straight pipe condensation device
It is connected, the outlet of straight pipe condensation device is connected with pipeline compensator, and pipeline compensator is connected with sewage draining exit.
7. utilizing the device of supercritical water oxidation processing organic liquid waste as claimed in claim 6, which is characterized in that straight pipe condensation
Cooling water outlet and cooling water inlet are provided on device, cooling water outlet is arranged close to the discharge port of reactor, cooling water inlet
It is arranged close to pipeline compensator.
8. utilizing the device of supercritical water oxidation processing organic liquid waste as claimed in claim 6, which is characterized in that further include the
One temperature tube, the second temperature tube, the first temperature tube are arranged between preheating assembly and heating component, and the second temperature tube is arranged in pipe
Between road compensator and refrigerated separation recovery system.
9. utilizing the device of supercritical water oxidation processing organic liquid waste as described in claim 1, which is characterized in that organic liquid waste
It is provided with the first feed check valve in delivery pipe, the second feed check valve is provided in hydrogen peroxide delivery pipe；Spiral cooler with
It is provided with counterbalance valve between gas-liquid separator, relief valve is provided between spiral cooler and counterbalance valve.
10. utilizing the device of supercritical water oxidation processing organic liquid waste as claimed in claim 9, which is characterized in that further include
First pressure gauge and second pressure gauge, first pressure gauge are arranged at the feed inlet of reactor, and second pressure gauge is arranged in spiral
Between condenser and counterbalance valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910097391.6A CN109650520A (en) | 2019-01-30 | 2019-01-30 | Utilize the device of supercritical water oxidation processing organic liquid waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910097391.6A CN109650520A (en) | 2019-01-30 | 2019-01-30 | Utilize the device of supercritical water oxidation processing organic liquid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850874A (en) * | 2021-01-20 | 2021-05-28 | 贵州航天朝阳科技有限责任公司 | Supercritical water oxidation reaction device |
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| CN101624247A (en) * | 2009-07-30 | 2010-01-13 | 温州大学 | Technology for supercritical water oxidation processing of leather wastewater |
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| CN102911691A (en) * | 2012-11-05 | 2013-02-06 | 天津大学 | Method for preparing bio-oil through supercritical pyrolysis of civil sludge |
| CN104496004A (en) * | 2014-12-24 | 2015-04-08 | 北京桑德环境工程有限公司 | High-concentration organic pesticide wastewater supercritical water oxidation treatment system and method |
| CN209602186U (en) * | 2019-01-30 | 2019-11-08 | 中国原子能科学研究院 | Utilize the device of supercritical water oxidation processing organic liquid waste |
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2019
- 2019-01-30 CN CN201910097391.6A patent/CN109650520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597078A (en) * | 2003-08-19 | 2005-03-23 | 株式会社东芝 | Treatment apparatus and treatment method for organic waste |
| CN101624247A (en) * | 2009-07-30 | 2010-01-13 | 温州大学 | Technology for supercritical water oxidation processing of leather wastewater |
| CN102642967A (en) * | 2012-04-23 | 2012-08-22 | 西安交通大学 | Supercritical heating furnace for organic waste water and controlling method |
| CN102911691A (en) * | 2012-11-05 | 2013-02-06 | 天津大学 | Method for preparing bio-oil through supercritical pyrolysis of civil sludge |
| CN104496004A (en) * | 2014-12-24 | 2015-04-08 | 北京桑德环境工程有限公司 | High-concentration organic pesticide wastewater supercritical water oxidation treatment system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112850874A (en) * | 2021-01-20 | 2021-05-28 | 贵州航天朝阳科技有限责任公司 | Supercritical water oxidation reaction device |
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