CN208732704U - A kind of organic wastewater Supercritical water oxidation treatment device - Google Patents
A kind of organic wastewater Supercritical water oxidation treatment device Download PDFInfo
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- CN208732704U CN208732704U CN201821289426.3U CN201821289426U CN208732704U CN 208732704 U CN208732704 U CN 208732704U CN 201821289426 U CN201821289426 U CN 201821289426U CN 208732704 U CN208732704 U CN 208732704U
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Abstract
The utility model discloses a kind of organic wastewater Supercritical water oxidation treatment devices, it includes oxidant pump, First Heat Exchanger, the second heat exchanger, heater, mixer, reactor, high-pressure pump, booster pump, energy recycle device, high-pressure gas-liquid separator and low-pressure gas-liquid separator.The organic wastewater Supercritical water oxidation treatment device of the utility model is recycled the pressure energy of reaction under high pressure fluid using energy recycle device, is greatly reduced and is carried out required energy consumption of pressurizeing to organic wastewater raw material.The utility model is suitble to be widely applied in the processing of organic wastewater supercritical water oxidation.
Description
Technical field
The utility model relates to chemical industry and environmental protection technical field, specifically a kind of overcritical water oxygen of organic wastewater
Change processing unit.
Background technique
High concentration (COD COD > 2000mg/L), toxic, organic wastewater with difficult degradation thereby processing are to generally acknowledge both at home and abroad
Technical problem.Traditional Technologies for Organic Wastewater Treatment (such as materializing strategy technology, biologic treating technique, wet oxidation, burning
Deng) there are at high cost, degradation rate is low, Yi Yansheng secondary pollution problems.Supercritical water oxidation (Supercritical Water
Oxidation, SCWO) as a kind of novel processing organic wastewater technology, it is one of the method for effectively solving this problem；
Supercritical water oxidation is the high-temperature and high-pressure conditions in the critical point (PC=22.1MPa, TC=374 DEG C) more than water
Under, the method that is aoxidized organic matter with air or other oxidants.Supercritical water (supercritical water, SCW)
As one kind of supercritical fluid, compared with common liquid water and steam, the various physicochemical properties of supercritical water are had occurred
Great changes.The main physical parameter of SCW such as density, viscosity, ionic product and dielectric constant are decreased obviously, diffusion coefficient compared with
Height, mass-transfer performance is good, can dissolve each other completely with gas (such as oxygen, nitrogen) and most organic matters, and gas liquid film disappears,
Interphase mass transfer resistance is eliminated, the reaction rate for dissolving wherein substance is no longer limited by mass transport process, uniform phase system is formed,
Reaction speed is greatly speeded up.Within the even several seconds residence times less than 1 minute, 99.9% or more organic matter burns rapidly
It is oxidized to CO2、H2O and other nontoxic end products.Reaction temperature generally at 400-650 DEG C, avoids SO2, NOx, two
Dislike the generation of the secondary pollutions such as English.Entire combustion oxidation process generates a large amount of heat, has biggish heat recovery potentiality, when
When organic matter mass concentration reaches 3% or more, so that it may maintain reaction required temperature by autoxidation heat release in reaction process, no
Extraneous heat supply is needed, waste heat can recycle；
SCWO technology is compared with traditional method for processing organic wastewater, with oxidation reaction is thorough, removal rate is high, reaction unit
The series of advantages such as small in size, achievable autothermal reaction, are known as one of most promising environmental treatment method.But in order to realize
The high-temperature high-voltage reaction condition of supercritical water oxidation needs to expend huge energy, and in current supercritical water oxidation system
In, high-pressure fluid is directly generally down to by normal pressure by counterbalance valve, then carries out the separation of gas-liquid product, the pressure energy that fluid has
Directly be lost, cause energy significant wastage, as patent CN105130081A, CN105152248A, CN1730414A,
CN104671388A etc., if can sufficiently recycle this partial pressure energy, energy-saving effect will be considerable.Patent
CN104445573A discloses a kind of Novel supercritical water oxygen total system and processing method, is provided with pressure energy and recycles
And the energy recovery units such as waste heat recycling, pressure energy recycling carry out pressure recovery using hydraulic turbine unit, belong to pressure energy and arrive
Mechanical energy arrives the conversion of pressure energy again, and energy recovery efficiency is lower.Patent CN105627814A discloses a kind of for overcritical
The intermediate medium heat-exchanger rig of water oxidative system is given the heat transfer of fluid after supercritical water oxidation using intermediate medium
Material before reaction preheats material using the heat of fluid after supercritical water oxidation, the pressure of intermediate medium
It is maintained by the desuperheat water pump for counterbalance valve and moisturizing the branch setting being arranged on surge tank, can efficiently utilize fluid after reaction
Heat, but this method pressure energy using very limited.Based on this, it is necessary in view of the above-mentioned problems, developing one kind can be efficient
Using the thermal energy of reacting fluid, and it can effectively recycle the supercritical water oxidation treatment method of reaction under high pressure fluid pressure energy.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of organic wastewater Supercritical water oxidation treatment device, energy
The pressure energy of enough effectively recycling reacting fluids, efficiently utilizes the thermal energy of reacting fluid, system energy consumption can be greatly reduced, save operation
Expense.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of organic wastewater Supercritical water oxidation treatment device, it includes oxidant pump, First Heat Exchanger, the second heat exchange
Device, heater, mixer, reactor, high-pressure pump, booster pump, energy recycle device, high-pressure gas-liquid separator and low-pressure gas-liquid point
From device, the oxidant pump import is connect with oxidant supply pipeline, the oxidant pump outlet and the First Heat Exchanger oxygen
The connection of agent entrance, the First Heat Exchanger oxidant outlet are connect with the mixer, and the First Heat Exchanger hot fluid enters
Mouth is connect with the reactor fluid outlet line, and the First Heat Exchanger hot fluid outlet ports enter with the high-pressure gas-liquid separator
Mouth pipeline connection, organic wastewater pipeline are divided into branch and lower branch, and the upper branch is connect with the high pressure pump inlet, described
Lower branch is connect with the energy recycle device low-pressure fluid entrance, the energy recycle device charging fluid outlet and the increasing
The connection of press pump entrance, the energy recycle device pressure release fluid outlet are connect with the low-pressure gas-liquid separator inlet, the height
Press pump and the booster pump outlet are connect by pipeline with the second heat exchanger organic wastewater entrance, second exchanger heat
Fluid inlet is connect with the reactor fluid outlet line, the second exchanger heat fluid outlet and the high-pressure gas-liquid point
It is connected from device suction line, the second heat exchanger organic wastewater outlet is connect through the heater with the mixer, described
High-pressure gas-liquid separator gaseous phase outlet is connect with the mixer, and the high-pressure gas-liquid separator liquid-phase outlet is divided into the first branch
And second branch, the first branch are connect with the energy recycle device high pressure fluid entrances, the second branch is by letting out
Pressure valve is connect with the low-pressure gas-liquid separator inlet pipeline, and the mixer outlet is connect with the reactor inlet, described
Reactor fluid outlet is divided into third branch and the 4th branch, and the third branch and the First Heat Exchanger thermal fluid inlet connect
It connects, the 4th branch is connect with the second exchanger heat fluid inlet.
As restriction, the oxidant pump is high-pressure plunger pump or compressor.
It is limited as another kind, the reactor is tubular reactor, membrane type cooling wall reactor or evaporation wall reactor.
It is limited as another kind, the First Heat Exchanger and second heat exchanger are wall-type heat exchange equipment.
It is limited as another kind, the heater uses electric heating, fuel Heating or gas heating form.
It is limited as another kind, the energy recycle device is centrifugal energy recycle device or positive displacement energy regenerating
Device.
The utility model is due to using above-mentioned structure, and compared with prior art, acquired technological progress is:
(1) the organic wastewater Supercritical water oxidation treatment device of the utility model is directed to the high temperature and pressure of supercritical water oxidation
The huge problem of reaction condition energy consumption is recycled the pressure energy of reaction under high pressure fluid using energy recycle device, and recovery efficiency is reachable
90% or more, it greatly reduces and required energy consumption of pressurizeing is carried out to organic wastewater raw material；
(2) the organic wastewater Supercritical water oxidation treatment device of the utility model uses reverse-flow evaporation wall reactor,
Evaporation wall construction avoids salts substances in the deposition of reactor wall, reduces resultants in reaction process to the corrosivity of equipment, prolongs
Growth device service life.
To sum up, the organic wastewater Supercritical water oxidation treatment device of the utility model is greatly reduced to organic wastewater raw material
Required energy consumption of pressurizeing is carried out, while reducing resultants in reaction process to the corrosivity of equipment.The utility model is suitble to organic
It is widely applied in the processing of waste water supercritical water oxidation.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is the structural representation of organic wastewater Supercritical water oxidation treatment device described in the utility model embodiment
Figure.
In figure: 1, oxidant；2, oxidant pump；3, First Heat Exchanger；4, mixer；5, the second heat exchanger；6, heater；
7, reactor；8, organic wastewater；9, high-pressure pump；10, booster pump；11, energy recycle device；12, high-pressure gas-liquid separator；13,
Relief valve；14, low-pressure gas-liquid separator；15, tail gas；16, liquid phase water；17, inorganic salts deslagging；18, upper branch；19, lower branch；
20, third branch；21, the 4th branch；22, the first branch；23, second branch.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1, according to the organic wastewater Supercritical water oxidation treatment device of the present embodiment, it include oxidant pump 2,
First Heat Exchanger 3, the second heat exchanger 5, heater 6, mixer 4, reactor 7, high-pressure pump 9, booster pump 10, energy recycle device
11, high-pressure gas-liquid separator 12 and low-pressure gas-liquid separator 14,2 import of oxidant pump are connect with 1 supply pipeline of oxidant, oxidation
2 outlet of agent pump is connect with 3 oxidant inlet of First Heat Exchanger, and 3 oxidant outlet of First Heat Exchanger is connect with mixer 4, and first
3 thermal fluid inlet of heat exchanger is connect with 7 fluid outlet pipeline of reactor, 3 hot fluid outlet ports of First Heat Exchanger and high-pressure gas-liquid point
It is connected from 12 suction line of device, 8 pipeline of organic wastewater is divided into branch 18 and lower branch 19, upper branch 18 and 9 entrance of high-pressure pump
Connection, lower branch 19 are connect with 11 low-pressure fluid entrance of energy recycle device, the outlet of 11 charging fluid of energy recycle device and increasing
The connection of 10 entrance of press pump, 11 pressure release fluid outlet of energy recycle device are connect with 14 entrance of low-pressure gas-liquid separator, 9 He of high-pressure pump
The outlet of booster pump 10 is connect by pipeline with 5 organic wastewater entrance of the second heat exchanger, 5 thermal fluid inlet of the second heat exchanger with react
The connection of 7 fluid outlet pipeline of device, 5 hot fluid outlet ports of the second heat exchanger are connect with 12 suction line of high-pressure gas-liquid separator, and second
5 organic wastewater of heat exchanger exports heated device 6 and connect with mixer 4, and 12 gaseous phase outlet of high-pressure gas-liquid separator and mixer 4 connect
It connects, 12 liquid-phase outlet of high-pressure gas-liquid separator is divided into the first branch 22 and second branch 23, and the first branch 22 and energy regenerating fill
The connection of 11 high pressure fluid entrances is set, second branch 23 is connect by relief valve 13 with 14 suction line of low-pressure gas-liquid separator, is mixed
The outlet of clutch 4 is connect with 7 entrance of reactor, and 7 fluid outlet of reactor is divided into third branch 20 and the 4th branch 21, third branch
20 connect with 3 thermal fluid inlet of First Heat Exchanger, and the 4th branch 21 is connect with 5 thermal fluid inlet of the second heat exchanger.
In this way, the organic wastewater Supercritical water oxidation treatment device of the present embodiment is directed to the high temperature and pressure of supercritical water oxidation
The huge problem of reaction condition energy consumption is recycled the pressure energy of reaction under high pressure fluid using energy recycle device 11, and recovery efficiency can
Up to 90% or more, greatly reduces and required energy consumption of pressurizeing is carried out to 8 raw material of organic wastewater.
In the present embodiment, oxidant pump 2 is high-pressure plunger pump or compressor.
At this point, oxidant pump 2 can be chosen according to 1 form of oxidant, it is right for the preferred high-pressure plunger pump of liquid oxidizer 1
In 1 preferred compressed machine of gaseous oxidizer.
In the present embodiment, reactor 7 is tubular reactor, membrane type cooling wall reactor or evaporation wall reactor.
Wherein, reactor 7 can be autoclave or tubular type, can be tubular reactor, membrane type cooling wall reactor or evaporation
One of wall reactor.It is preferred that reverse-flow evaporation wall overcritical water oxidization reactor, reacts by using reverse-flow evaporation wall
Device, evaporation wall construction avoid salts substances in the deposition of 7 wall of reactor, reduce corrosion of the resultants in reaction process to equipment
Property, extend service using life.Wherein, inorganic salts deslagging 17 is discharged from 7 outlet of reactor.
In the present embodiment, First Heat Exchanger 3 and the second heat exchanger 5 are wall-type heat exchange equipment.
At this point, First Heat Exchanger 3, the second heat exchanger 5 are wall-type heat exchange equipment, specially shell-and-tube, board-like, bushing type
One of with jacket type, preferred shell-and-tube tubular heat exchanger.
In the present embodiment, heater 6 is using electric heating, fuel Heating or gas heating form.
In the present embodiment, it is possible to which measuring recyclable device 11 is that centrifugal energy recycle device or positive displacement energy regenerating fill
It sets.
At this point, preferable valve-regulated positive displacement energy recycle device.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, the equivalent change made under the premise of not departing from the conceptions and principles of the utility model
Change and modify, should belong to the range of the utility model protection.
Claims (6)
1. a kind of organic wastewater Supercritical water oxidation treatment device, it is characterised in that: it include oxidant pump, First Heat Exchanger,
Second heat exchanger, heater, mixer, reactor, high-pressure pump, booster pump, energy recycle device, high-pressure gas-liquid separator and low
It calms the anger liquid/gas separator, the oxidant pump import is connect with oxidant supply pipeline, the oxidant pump outlet and described first
The connection of heat exchanger oxidant inlet, the First Heat Exchanger oxidant outlet are connect with the mixer, the First Heat Exchanger
Thermal fluid inlet is connect with the reactor fluid outlet line, the First Heat Exchanger hot fluid outlet ports and the high-pressure gas-liquid
The connection of separator inlet pipeline, organic wastewater pipeline are divided into branch and lower branch, the upper branch and the high pressure pump inlet
Connection, the lower branch are connect with the energy recycle device low-pressure fluid entrance, and the energy recycle device charging fluid goes out
Mouth is connect with the pressurization pump intake, and the energy recycle device pressure release fluid outlet and the low-pressure gas-liquid separator inlet connect
It connecing, the high-pressure pump and the booster pump outlet are connect by pipeline with the second heat exchanger organic wastewater entrance, and described the
Two exchanger heat fluid inlets are connect with the reactor fluid outlet line, the second exchanger heat fluid outlet with it is described
The connection of high-pressure gas-liquid separator suction line, the second heat exchanger organic wastewater outlet is through the heater and the mixer
Connection, the high-pressure gas-liquid separator gaseous phase outlet are connect with the mixer, the high-pressure gas-liquid separator liquid-phase outlet point
For the first branch and second branch, the first branch is connect with the energy recycle device high pressure fluid entrances, and described second
Branch is connect by relief valve with the low-pressure gas-liquid separator inlet pipeline, the mixer outlet and the reactor inlet
Connection, the reactor fluid outlet are divided into third branch and the 4th branch, the third branch and First Heat Exchanger heat
Fluid inlet connection, the 4th branch are connect with the second exchanger heat fluid inlet.
2. a kind of organic wastewater Supercritical water oxidation treatment device according to claim 1, it is characterised in that: the oxidation
Agent pump is high-pressure plunger pump or compressor.
3. a kind of organic wastewater Supercritical water oxidation treatment device according to claim 1, it is characterised in that: the reaction
Device is tubular reactor, membrane type cooling wall reactor or evaporation wall reactor.
4. a kind of organic wastewater Supercritical water oxidation treatment device according to claim 1, it is characterised in that: described first
Heat exchanger and second heat exchanger are wall-type heat exchange equipment.
5. a kind of organic wastewater Supercritical water oxidation treatment device according to claim 1, it is characterised in that: the heating
Device uses electric heating, fuel Heating or gas heating form.
6. a kind of organic wastewater Supercritical water oxidation treatment device according to claim 1, it is characterised in that: the energy
Recyclable device is centrifugal energy recycle device or positive displacement energy recycle device.
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| CN201821289426.3U CN208732704U (en) | 2018-08-10 | 2018-08-10 | A kind of organic wastewater Supercritical water oxidation treatment device |
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| CN201821289426.3U CN208732704U (en) | 2018-08-10 | 2018-08-10 | A kind of organic wastewater Supercritical water oxidation treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108911107A (en) * | 2018-08-10 | 2018-11-30 | 大连亿斯德制冷设备有限公司 | A kind of organic wastewater Supercritical water oxidation treatment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108911107A (en) * | 2018-08-10 | 2018-11-30 | 大连亿斯德制冷设备有限公司 | A kind of organic wastewater Supercritical water oxidation treatment device and method |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 116041 No. 113 Middle Road, Lushunkou District, Dalian City, Liaoning Province Patentee after: Dalian Yiside Special Intelligent Equipment Co., Ltd. Address before: 116041 No.113, Middle Road, Lvshunkou District, Dalian City, Liaoning Province Patentee before: Dalian East Refrigeration Equipment Co.,Ltd. |
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