CN107930571A - Supercritical oxidation reactor - Google Patents
Supercritical oxidation reactor Download PDFInfo
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- CN107930571A CN107930571A CN201711473039.5A CN201711473039A CN107930571A CN 107930571 A CN107930571 A CN 107930571A CN 201711473039 A CN201711473039 A CN 201711473039A CN 107930571 A CN107930571 A CN 107930571A
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- Prior art keywords
- direct tube
- tube section
- inner cylinder
- section
- oxidation reactor
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 26
- 230000003647 oxidation Effects 0.000 title claims abstract description 24
- 239000008234 soft water Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000011229 interlayer Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 238000001556 precipitation Methods 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 8
- 239000011268 mixed slurry Substances 0.000 claims description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical group O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 19
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 14
- 238000001816 cooling Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000009284 supercritical water oxidation Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of supercritical oxidation reactor, belong to chemical industry and technical field of environment protection equipment, including outer barrel, equipped with blind flange and the inner cylinder in straight-tube shape and the baffle assembly in outer barrel；Outer barrel include superposed the first direct tube section in straight cylindrical and positioned at lower part and in the second direct tube section of straight cylindrical and diameter more than the first direct tube section diameter, connected between first and second direct tube sections by the first conical cylinder section, the bottom of the second direct tube section is connected with the second conical cylinder section；Inner cylinder is located at the inside of the first direct tube section, and the flange being equipped with the outside of the upper shed of blind flange and the first direct tube section is connected；Blind flange is equipped with the soft water entrance with the interlayer space of composition on the inside of the first direct tube section on the outside of the feed inlet inside connection inner cylinder and connection inner cylinder.The present invention can solve deposition after existing in the prior art salt out and result in blockage the technical problem that reactor and deslagging block, and can reach prevents salt from blocking up and deslagging smoothly technique effect.
Description
Technical field
The invention belongs to chemical industry and technical field of environment protection equipment, is to be related to a kind of supercritical oxidation reaction more specifically
Device.
Background technology
Chemical industry and environmental protection industry (epi), supercritical Water Oxidation Technology are used for the hazardous wastes such as high concentrated organic waste liquid, organic sludge
Processing, because it is efficient to organic matter degradation, processing outlet effect is good, the gaseous state such as sulfur dioxide and nitrogen oxides is dirty in exhaust
Dye thing secondary pollution is few, and application prospect is preferable.Supercritical Water Oxidation Technology core is the design of reactor, it is necessary to consider that oxidation is anti-
Between seasonable, high temperature corrosion, salt blocks and the problems such as deslagging.
Overcritical water oxidization reactor is varied, there is reaction tank reactor and pipeline reactor.Duct type reacts
Device is simple in structure, low cost, but the salt that pipeline is easily separated out under supercriticality blocks, and organic matter degradation is not thorough, oxygen profit
With insufficient, operating cost height.Reaction tank reactor has the advantages that reaction is thorough, oxygen utilization is efficient, but there is also make
The problem of valency height and stifled salt.
The content of the invention
It is an object of the invention to provide a kind of supercritical oxidation reactor, to solve existing in the prior art salt out
Deposition results in blockage the technical problem that reactor and deslagging block afterwards, can reach prevent salt from blocking up smoothly technology is imitated with deslagging
Fruit.
To achieve the above object, the technical solution adopted by the present invention is：A kind of supercritical oxidation reactor is provided, including it is outer
Cylinder, top be equipped with blind flange and in straight-tube shape inner cylinder and the baffle assembly in outer barrel；
The outer barrel include superposed the first direct tube section in straight cylindrical and positioned at lower part and be in straight cylinder
Shape and diameter are more than the second direct tube section of the first direct tube section diameter, pass through between first direct tube section and the second direct tube section
Connected in the first conical cylinder section of cone cylinder shape, the bottom of second direct tube section is connected with is equipped with slag-drip opening in cone cylinder shape and bottom
Second conical cylinder section；
The inner cylinder is located at the inside of first direct tube section, and the bottom of the inner cylinder and first conical cylinder section
Connection, the blind flange are connected with the flange being equipped with the outside of the upper shed of first direct tube section；
The blind flange be equipped with the feed inlet connected inside the inner cylinder and connect the inner cylinder outside with it is described
The soft water entrance of the interlayer space of composition on the inside of first direct tube section；
First conical cylinder section is equipped with chilling water inlet and water outlet.
Further, the baffle assembly include below the inner cylinder and with the inner cylinder is body concentric, shape
In the conical reflecting curtain of under shed and below the reflecting curtain and shape is heavy under shed cone
Shallow lake inclined plate.
Further, the cone angle of the reflecting curtain is 130 °~170 °, and a diameter of inner cylinder in base is straight
1.1~1.5 times of footpath.
Further, the circular conical surface of the precipitation inclined plate and the angle of horizontal plane are 60 °, and a diameter of reflection in base
1.8~1.1 times of baffle base diameter.
Further, the spacing that the precipitation inclined plate is equipped between one to five layer, every layer is 50~100mm.
Further, the slag-drip opening is circular, diameter >=100mm.
Further, the direction of the chilling water inlet and the centerline direction of the inner cylinder be into 20 °~70 ° angles,
The quantity of the chilling water inlet is 3~8, is evenly distributed with along the conical surface of first conical cylinder section.
Further, the centerline direction of the direction of the water outlet and the inner cylinder is described into 30 °~60 ° angles
The quantity of water outlet is 1~4, is evenly distributed with along the conical surface of first conical cylinder section.
Further, 2~4 times of a diameter of first direct tube section diameter of second direct tube section, the first conical cylinder section
The overall volume formed with the second direct tube section and the second conical cylinder section is 2~10 times of the first direct tube section volume.
Further, the feed inlet is double-channel spray nozzle structure, positioned at the center of the blind flange, one of them
Passage is mixed slurry passage, another passage is oxygen or air duct.
The beneficial effect of supercritical oxidation reactor provided by the invention is：With reaction still reaction of the prior art
Device with the salt of pipeline reactor blocks up situation salt and blocks up to be compared with the situation of deslagging difficulty, and the present invention is using the inner cylinder in straight-tube shape
Body, since inner cylinder is the complete conversion zone of supercritical water oxidation, is prevented using straight pipe (straight-tube shape) and is deposited on after salting out
Inner cylinder surface and block the phenomenon of reactor, and the structure of outer barrel and shape design enable to the volume of outer barrel lower part
Bigger, more preferable condition is provided for mud-water separation, and slag-drip opening size it is opposite can bigger, be conducive to deslagging, and partition plate is set
Component, silt separating effect are more preferable.The present apparatus deposits the reaction that results in blockage after can solving existing in the prior art salt out
The technical problem that device and deslagging block, can reach prevents salt from blocking up and deslagging smoothly technique effect.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structure diagram of supercritical oxidation reactor provided in an embodiment of the present invention.
Wherein, each reference numeral in figure：
1-blind flange, 2-inner cylinder, 3-feed inlet, 4-soft water entrance, 5-flange, the 6-the first direct tube section, 7-the
One conical cylinder section, the 8-the second direct tube section, the 9-the second conical cylinder section, 10-chilling water inlet, 11-water outlet, 12-slag-drip opening,
13-reflecting curtain, 14-precipitation inclined plate, the support of 15-inclined plate.
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Refer to shown in Fig. 1, the present invention include outer barrel, top be equipped with blind flange 1 and in straight-tube shape 2 and of inner cylinder
Baffle assembly in outer barrel；The outer barrel is pressure vessel, including superposed in the first straight of straight cylindrical
Cylinder section 6 and positioned at lower part and the second direct tube section 8 for being more than in straight cylindrical and diameter 6 diameter of the first direct tube section, it is described
By being connected in the first conical cylinder section 7 of cone cylinder shape between first direct tube section 6 and the second direct tube section 8, the first direct tube section 6 and the first cone
Outside angle between cylinder section 7 is 120 °~150 °, and the bottom of second direct tube section 8 is connected with to be equipped with cone cylinder shape and bottom
Second conical cylinder section 9 of slag-drip opening 12；The inner cylinder 2 is located at the inside of first direct tube section 6,2 and first straight tube of inner cylinder
Section 6 matches, and distance therebetween is 1mm~5mm, and the bottom of the inner cylinder 2 connects with first conical cylinder section 7 welding
Connect, the blind flange 1 is connected with the flange 5 being equipped with the outside of the upper shed of first direct tube section 6, blind flange 1 and flange 5
It is connected and plays sealing function, keeps reactor pressure；The blind flange 1 is equipped with the charging connected inside the inner cylinder 2
The soft water entrance 4 for the interlayer space that mouth 3 and the connection outside of inner cylinder 2 are formed with the inner side of the first direct tube section 6；Described
One conical cylinder section 7 is equipped with chilling water inlet 10 and water outlet 11, and chilled water (chw) from the material after the reaction that inner cylinder 2 sprays with mixing
To close, moment cools the temperature to less than 200 °, influenced by baffle assembly, and mixed material flows down along baffle assembly after cooling, and at this moment one
The salt of a little reaction generations can be taken away dissolving by chilled water (chw)；All there is thermometric instrument monitoring point in the inside reactor and outside.
The present invention, since inner cylinder 2 is the complete conversion zone of supercritical water oxidation, is used using the inner cylinder 2 in straight-tube shape
Straight pipe (straight-tube shape) prevents salt out after be deposited on the surface of inner cylinder 2 and block the phenomenon of reactor, inner cylinder 2 welds
In the lower part of the blind flange 1, mixed material sprays into inner cylinder (inner cylinder straight pipe) 2 from feed inlet 3, in this section of residence time 30
Second, the ratio of height to diameter of inner cylinder 2 was 5 to 120 seconds:1~12:1, preferably 8:1, the not pressure-bearing of inner cylinder 2, more than 900 DEG C of heatproof；Chilling
Water is mixed with from the material after the reaction that inner cylinder 2 sprays, and moment cools the temperature to less than 200 °, is influenced by baffle assembly, cold
But mixed material flows down along baffle assembly after, and at this moment the salt of some reaction generations can be taken away dissolving by chilled water (chw), and baffle assembly rises
Acted on to mud-water separation, mixed material contains part silt particle after cooling, and under the action of baffle assembly, bulky grain silt particle is to sinking
Drop, discharges reactor, more clear water discharges reactor upwardly through water outlet 11, due to outer barrel lower part by slag-drip opening 12
Diameter bigger, the size of the slag-drip opening 12 is relatively some larger, is conducive to deslagging.The present apparatus can solve to deposit in the prior art
Salt out after deposition result in blockage the technical problem that reactor and deslagging block, can reach that to prevent that salt from blocking up smooth with deslagging
Technique effect.
Further, refer to shown in Fig. 1, one kind specific implementation as supercritical oxidation reactor provided by the invention
Mode, the baffle assembly include positioned at the lower section of the inner cylinder 2 and with the inner cylinder 2 is concentric, shape is under shed
The reflecting curtain 13 of cone and positioned at the lower section of the reflecting curtain 13 and shape be under shed cone precipitation inclined plate
14, the reflecting curtain 13 is fixedly connected with precipitation inclined plate 14 by inclined plate support 15 with the outer barrel；The reflecting curtain
13 cone angle is 130 °~170 °, and 1.1~1.5 times of a diameter of 2 diameter of inner cylinder in base, and water outlet 11 passes through
Reflecting curtain 13, and go deep into the lower part of reflecting curtain 13；The circular conical surface of the precipitation inclined plate 14 and the angle of horizontal plane are 60 °,
And 1.8~1.1 times of a diameter of 13 base diameter of reflecting curtain in base, the precipitation inclined plate 14 are equipped with one to five layer, often
Spacing between layer is 50~100mm.
Said structure design, can play the role of good mud-water separation, chilled water (chw) and the reaction sprayed from inner cylinder 2
Material mixing afterwards, moment cool the temperature to less than 200 °, are influenced by reflecting curtain 13, and mixed material is kept off along reflection after cooling
Plate 13 flows down, and at this moment the salt of some reaction generations can be taken away dissolving by chilled water (chw), and mixed material contains part silt particle after cooling,
Under the action of the precipitation inclined plate 14 of reactor, bulky grain silt particle settles downwards, precipitation inclined plate 14 be equipped with one to five layer, every layer it
Between spacing be 50~100mm, silt settle downwards more thoroughly, the bulky grain silt after finally precipitating passes through slag-drip opening 12
Reactor is discharged, more clear water discharges reactor upwardly through 11 water outlets.
Further, a kind of embodiment as supercritical oxidation reactor provided by the invention, the deslagging
Mouth 12 is circular, diameter >=100mm, and among outer barrel bottom.Above-mentioned 12 size of slag-drip opening is more advantageous to deslagging, deslagging
It is smooth, do not block.
Further, a kind of embodiment as supercritical oxidation reactor provided by the invention, the chilling
The centerline direction of the direction of water inlet 10 and the inner cylinder 2 is into 20 °~70 ° angles, the quantity of the chilling water inlet 10
For 3~8, it is evenly distributed with along the conical surface of first conical cylinder section 7.
Said structure design so that the direction that chilled water (chw) enters is more reasonable, enables to what chilled water (chw) was mixed with material
More uniformly, cooling is rapider, and cooling-down effect is more preferable.
Further, a kind of embodiment as supercritical oxidation reactor provided by the invention, the water outlet
Into 30 °~60 ° angles, the quantity of the water outlet 11 is 1~4 for mouthful 11 direction and the centerline direction of the inner cylinder 2,
It is evenly distributed with along the conical surface of first conical cylinder section 11, water outlet 11 and 10 arranged for interval of chilling water inlet, water outlet 11 both pass through instead
Baffle 13 is penetrated, gos deep into the lower part of reflecting curtain 13.
The structure layout design of above-mentioned water outlet 11, can ensure the smooth of timely water outlet and water outlet, its direction sets energy
Enough to be conveniently connected with extraneous drainage arrangement, design is more reasonable.
Further, a kind of embodiment as supercritical oxidation reactor provided by the invention, described second
2~4 times of a diameter of first direct tube section, 6 diameter of direct tube section 8, the first conical cylinder section 7 and the second direct tube section 8 and the second cone cylinder
The overall volume of the composition of section 9 is 2~10 times of 6 volume of the first direct tube section.
The outer barrel bottom of the reactor is mainly for cooling reacting rear material and muddy water initial gross separation, the bottom of outer barrel
The volume in portion's (entirety of the first conical cylinder section 7 and the second direct tube section 8 and the second conical cylinder section 9 composition) is top (the first direct tube section 6)
2~10 times of volume, above-mentioned design so that bottom can more sufficient space precipitated and mud-water separation, separating effect is more
It is good, and enable to bottom to have sufficiently large slag-drip opening 12, deslagging effect is more preferable, does not block.
Further, a kind of embodiment as supercritical oxidation reactor provided by the invention, the charging
Mouth 3 is double-channel spray nozzle structure, and positioned at the center of the blind flange 1, one of passage is mixed slurry passage, another
A passage is oxygen or air duct, positioned at the center of blind flange 1；Soft water entrance 4 is welded on blind flange 1, along inner cylinder
The periphery of body 2 is uniformly distributed, by controlling soft water flux to adjust the temperature of inner cylinder 2 in reasonable interval, it is ensured that reaction is in and sets
Fixed reasonable terms, ensure being smoothed out for reaction.
In short, reactor of the present invention is tank reactor, supercritical water oxidation is complete, and outlet effect is good.Divide inner cylinder
Body 2 and outer barrel, inner cylinder 2 are used to react, and high temperature resistant is not pressure-resistant, is convenient for changing, the high pressure resistant non-refractory of outer barrel, convenient choosing
Material and processing, reduce overall cost.The inner cylinder 2 that supercritical water oxidation occurs is straight tube, is solved in reactor region salt
The problem of stifled；The chilling water inlet 10 and reflecting curtain 13 of the outer barrel bottom installation of reactor, high-temperature material is fast after making reaction
But, the salt that inner cylinder 2 sprays quickly dissolves quickly cooling, and the water outlet 11 and precipitation inclined plate 14 of installation, make the mixed material after reaction
Middle silt particle is able to initial gross separation, and water outlet is more limpid, reduces silt particle to follow-up pipeline and equipment souring；The deslagging of bottom
Mouth 12 is larger, is conducive to the discharge of silt particle.
Specific case used herein is set forth the principle of the present invention and embodiment, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the ordinary skill for the art
For personnel, without departing from the principle of the present invention, some improvement and modification, these improvement can also be carried out to the present invention
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (10)
1. supercritical oxidation reactor, it is characterised in that：It is equipped with including outer barrel, top blind flange (1) and in straight-tube shape
Inner cylinder (2) and the baffle assembly in outer barrel；
The outer barrel include superposed the first direct tube section (6) in straight cylindrical and positioned at lower part and be in straight cylindrical
And diameter is more than the second direct tube section (8) of the first direct tube section (6) diameter, first direct tube section (6) and the second direct tube section
(8) by being connected in the first conical cylinder section (7) of cone cylinder shape between, the bottom of second direct tube section (8) is connected with cone cylinder shape
And bottom is equipped with the second conical cylinder section (9) of slag-drip opening (12)；
The inner cylinder (2) is located at the inside of first direct tube section (6), and the bottom of the inner cylinder (2) and described first
Conical cylinder section (7) connects, and the blind flange (1) coordinates with the flange (5) being equipped with the outside of the upper shed of first direct tube section (6) and connects
Connect；
The blind flange (1), which is equipped with, to be connected the internal feed inlet (3) of the inner cylinder (2) and connects the inner cylinder (2) outside
Side and the soft water entrance (4) of the interlayer space of composition on the inside of first direct tube section (6)；
First conical cylinder section (7) is equipped with chilling water inlet (10) and water outlet (11).
2. supercritical oxidation reactor according to claim 1, it is characterised in that：The baffle assembly is included positioned at described
Below inner cylinder (2) and with the inner cylinder (2) is concentric, shape is under shed conical reflecting curtain (13) and position
Below the reflecting curtain (13) and shape be under shed cone precipitation inclined plate (14), the reflecting curtain (13) and
Precipitation inclined plate (14) supports (15) to be fixedly connected with the outer barrel by inclined plate.
3. supercritical oxidation reactor according to claim 2, it is characterised in that：The coning angle of the reflecting curtain (13)
Spend for 130 °~170 °, and 1.1~1.5 times of a diameter of inner cylinder (2) diameter in base.
4. the supercritical oxidation reactor according to Claims 2 or 3, it is characterised in that：The circle of the precipitation inclined plate (14)
The angle of the conical surface and horizontal plane is 60 °, and 1.8~1.1 times of a diameter of reflecting curtain (13) base diameter in base.
5. supercritical oxidation reactor according to claim 4, it is characterised in that：The precipitation inclined plate (14) be equipped with one to
Five layers, the spacing between every layer is 50~100mm.
6. supercritical oxidation reactor according to claim 1, it is characterised in that：The slag-drip opening (12) is circle, directly
Footpath >=100mm.
7. supercritical oxidation reactor according to claim 1, it is characterised in that：The direction of the chilling water inlet (10)
Centerline direction with the inner cylinder (2) is into 20 °~70 ° angles, and the quantity of the chilling water inlet (10) is 3~8, edge
The conical surface of first conical cylinder section (7) is evenly distributed with.
8. supercritical oxidation reactor according to claim 1, it is characterised in that：The direction of the water outlet (11) and institute
The centerline direction of inner cylinder (2) is stated into 30 °~60 ° angles, the quantity of the water outlet (11) is 1~4, along described first
The conical surface of conical cylinder section (11) is evenly distributed with.
9. supercritical oxidation reactor according to claim 1, it is characterised in that：The diameter of second direct tube section (8)
For 2~4 times of the first direct tube section (6) diameter, the first conical cylinder section (7) and the second direct tube section (8) and the second conical cylinder section (9) group
Into overall volume be 2~10 times of the first direct tube section (6) volume.
10. supercritical oxidation reactor according to claim 1, it is characterised in that：The feed inlet (3) is sprayed for binary channels
Mouth structure, positioned at the center of the blind flange (1), one of passage is mixed slurry passage, another passage is oxygen
Gas or air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473039.5A CN107930571B (en) | 2017-12-29 | 2017-12-29 | Supercritical oxidation reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711473039.5A CN107930571B (en) | 2017-12-29 | 2017-12-29 | Supercritical oxidation reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107930571A true CN107930571A (en) | 2018-04-20 |
| CN107930571B CN107930571B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711473039.5A Active CN107930571B (en) | 2017-12-29 | 2017-12-29 | Supercritical oxidation reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237783A (en) * | 2020-03-11 | 2020-06-05 | 西安交通大学 | Supercritical hydrothermal combustion device and method with residue self-separation function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| SE0402783D0 (en) * | 2004-11-15 | 2004-11-15 | Chematur Eng Ab | Reactor and method for supercritical water oxidation |
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| CN111237783A (en) * | 2020-03-11 | 2020-06-05 | 西安交通大学 | Supercritical hydrothermal combustion device and method with residue self-separation function |
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| CN107930571B (en) | 2024-04-05 |
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