CN104907002A - Supercritical reaction kettle capable of sorting and discharging products automatically and method - Google Patents
Supercritical reaction kettle capable of sorting and discharging products automatically and method Download PDFInfo
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- CN104907002A CN104907002A CN201510313080.0A CN201510313080A CN104907002A CN 104907002 A CN104907002 A CN 104907002A CN 201510313080 A CN201510313080 A CN 201510313080A CN 104907002 A CN104907002 A CN 104907002A
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Abstract
The invention relates to a supercritical reaction kettle capable of sorting and discharging products automatically. The supercritical reaction kettle comprises a cylinder body, an upper end seal head, a lower end seal head, one or more than one liquid phase outlet and a clearly discharging opening, wherein the upper end seal head, the cylinder body and the lower end seal head are fixedly installed into a sealed space; the upper part of the sealed space is provided with an oxidant inlet and a reaction material inlet; the bottom of the lower end seal head is provided with the clearly discharging opening, and a liquid phase outlet is connected beside the clearly discharging opening; the liquid phase outlet is a vertical pipe extending into the sealed space; in the sealed space, the end opening of the vertical pipe is higher than the clearly discharging opening. According to the supercritical reaction kettle capable of sorting and discharging products automatically and the method, the bottom of the reaction kettle is provided with the liquid phase outlet parallel to the clearly discharging opening, liquid phase products with different densities are discharged via an overflow mode, and then solid phase products are discharged by a regular washing mode, so that different products in supercritical reaction can be separated accurately, and the separation equipment and the separation technology are omitted.
Description
Technical field
The present invention relates to the supercritical water oxidation device of environmental technology field, the supercritical reaction still of particularly a kind of product automatic classification discharge and product automatic classification discharge method.
Background technology
Supercritical water oxidation (SCWO) technology be the earliest 20th century the mid-80 proposed by American scholar Modell can fully, up hill and dale by advanced oxidation processes that organic constitution destroys.Point out in one of listed by American National key technology six large fields " energy and environment ", the most promising waste treatment technique is SCWO method.
Supercritical water (SCW) refers to that temperature is more than 374.15 DEG C, pressure is more than the water of the special state of 22.12Mpa, the dielectric coefficient of this Water Under reduces greatly, oxidant and gas chromatography matter form homogeneous phase in aqueous systems, eliminate resistance to mass tranfer, make the heterogeneous reaction originally occurred between liquid phase, solid phase, gas phase be converted into the homogeneous oxidizing reaction in SCW, reaction rate is faster, and the time of staying is shorter.And scarcely need to use catalyst, oxidation efficiency is very high, and most of organic clearance can reach more than 99%, and product is inorganic salts, carbon dioxide and water.Because reaction is carried out under the environment closed, meet the requirement of totally-enclosed process.Reaction temperature is far below burning and the generation of non-secondary pollution thing.
Due to the inorganic component of product and salt solubility in supercriticality water very low, almost can Precipitation completely, bottom reactor, be therefore generally the state of solid-liquid mixing.Bottom the mixer design of prior art or be convex head, it is the flat head being with large chamfering, the defect of this type of design is, if have solid impurity in product, liquid state cannot be separated with solid, cause liquid-phase outlet to be solidliquid mixture, need to adopt the separation equipments such as seperator to carry out the resource reuse that Separation of Solid and Liquid could realize liquid in the later stage, cause the wasting of resources.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the supercritical reaction still providing a kind of product automatic classification to discharge and product automatic classification discharge method, can by arranging the one or more liquid-phase outlet arranged side by side with drain bottom reactor, the different densities layer that liquid-phase outlet can be settled out according to reactor bottom product is arranged, the liquid product of different densities is discharged by the mode of overflow, solid product is discharged again by the mode of periodic flushing, accurately can be separated the different products in supercritical reaction like this, omit separation equipment and separating technology, the supercritical liq of discharging can be directly used in the material preheating entering reactor, or by other means by energy recovery.
The present invention's its technical problem of determining is achieved through the following technical solutions:
The supercritical reaction still that product automatic classification is discharged, it is characterized in that: it comprises cylindrical shell, upper end end socket, lower end end socket, one or more liquid-phase outlet, drain, described upper end end socket, cylindrical shell and lower end end socket are loaded into enclosure space; Described enclosure space top arranges oxidant inlet and reaction mass entrance, and the bottom of described lower end end socket arranges drain, and connects described liquid-phase outlet on described drain side; Described liquid-phase outlet is the vertical tube stretching into described enclosure space inside; In the inside of described enclosure space, the port of described vertical tube is higher than described drain.
The port of described vertical tube is arranged a screen pack.
In the outside of described enclosure space, described liquid-phase outlet is connected same storage tank with drain.
The sequential batch that the outlet of described storage tank enters described storage tank according to the product that described liquid-phase outlet and drain export is open, meets the separation of different densities product in described cylindrical shell.
In the outside of described enclosure space, described one or more liquid-phase outlet connects corresponding fluid reservoir, and described drain connects storage salt cellar.
Described liquid-phase outlet is for often to open; Described drain interval is open, the time during port of the solid matter degree of depth that its time is spaced apart the bottom precipitation of described lower end end socket close to described vertical tube.
The port of described vertical tube is higher than described drain 30mm-150mm.
A kind of supercritical reaction product automatic classification discharge method, is characterized in that: comprise the steps:
1). produce liquid product and the solid product containing inorganic salts through supercritical reaction in supercritical reaction still;
2). described liquid product is discharged through the one or more liquid-phase outlets set by supercritical reaction still drain one side;
3). described solid product set drain bottom supercritical reaction thing is discharged;
4) port of described liquid-phase outlet is higher than described drain.
Described liquid product and solid product are expelled to same storage tank successively.
The sequential batch that the outlet of described storage tank enters described storage tank according to the product that described liquid-phase outlet and drain export is open, meets the separation of different densities product in described cylindrical shell.
Described liquid product and solid product are expelled to each self-corresponding storage tank respectively.
Described liquid-phase outlet is for often to open; Described drain interval is open, the time during port of the solid matter degree of depth that its time is spaced apart the bottom precipitation of described lower end end socket close to described vertical tube.
Advantage of the present invention and beneficial effect are:
1, the supercritical reaction still of product automatic classification discharge of the present invention, can by arranging the one or more liquid-phase outlet arranged side by side with drain bottom reactor, the different densities layer that liquid-phase outlet can be settled out according to reactor bottom product is arranged, the liquid product of different densities is discharged by the mode of overflow, solid product is discharged again by the mode of periodic flushing, accurately can be separated the different products in supercritical reaction like this, omit separation equipment and separating technology; The supercritical liq of discharging can be directly used in the material preheating entering reactor, or by other means by energy recovery.
2, supercritical reaction product automatic classification discharge method of the present invention, can realize the accurate separation of the different products be separated in supercritical reaction, omits separation equipment and separating technology, has technique simple, is easy to the outstanding advantages operated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the present invention;
Fig. 2 is the structural representation of the second embodiment of the present invention.
Description of reference numerals
The outlet of 1-oxidant inlet, 2-fuel inlet, 3-reaction mass entrance, 4-upper end end socket, 5-cylindrical shell, 6-first liquid-phase outlet, 7-lower end end socket, 8-drain, 9-fluid reservoir, 10-second liquid phase, 11-screen pack, 12-first fluid reservoir, 13-store up salt cellar, 14-second fluid reservoir.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
Embodiment 1
The supercritical reaction still that a kind of product automatic classification is discharged, it comprises cylindrical shell 5, upper end end socket 4, lower end end socket 7, one or more liquid-phase outlet, the present embodiment is the first liquid-phase outlet 6, second liquid phase outlet 10, drain 8, and upper end end socket, cylindrical shell and lower end end socket are loaded into enclosure space; Enclosure space top arranges oxidant inlet 1, reaction mass (sewage) entrance 3 and fuel inlet 2, and the bottom of lower end end socket arranges drain, and connects described liquid-phase outlet on described drain side; Liquid-phase outlet is the vertical tube stretching into described enclosure space inside; In the inside of enclosure space, the port of vertical tube is higher than described drain.The port of described vertical tube is higher than described drain 30mm-150mm.
The port of vertical tube is arranged a screen pack 11.In the outside of enclosure space, described liquid-phase outlet is connected the entrance of same storage tank fluid reservoir 9 with drain.The sequential batch that the outlet of fluid reservoir 9 storage tank enters storage tank fluid reservoir 9 according to the product that the first liquid-phase outlet 6, second liquid phase outlet 10 and drain 8 export is open, meets the separation of different densities product in described cylindrical shell.
Based on a supercritical reaction product automatic classification discharge method for the supercritical reaction still in above-described embodiment 1, the steps include:
1) liquid product (as sodium salt, calcium salt, magnesium salts, phosphate, the saturated solution of the salts such as sulfate and acid or alkali) and the solid product containing inorganic salts is produced through supercritical reaction in supercritical reaction still;
2) described liquid product is discharged through the one or more liquid-phase outlets set by supercritical reaction still drain one side;
3) described solid product set drain bottom supercritical reaction thing is discharged.
4) described liquid product and solid product are expelled to same fluid reservoir successively.
In the present embodiment, liquid product will have the process of an overflow, can be mingled with the effect played a precipitation and filter to solid-state.Employing multiple exit designs, time bottom reactor, impurity is more, the product of different densities precipitates into different density layers bottom reactor, the present invention is according to the layering (as acid and water) of the solid product of different densities and the layering (as inorganic salts crystallization) of liquid product, the liquid product of different densities, the product of different densities layer is made to enter drain or the liquid-phase outlet of respective heights, independent emission treatment.Drain not only can be used for discharging solid product, also can kettle cleaning in, when cleanout use.
Embodiment 2
In the outside of the enclosure space of reactor, the corresponding entrance connecting the first fluid reservoir 12, second fluid reservoir 14 of lower end outlet of the first described liquid-phase outlet 6, second liquid phase outlet 10, drain 8 connects storage salt cellar 13.First liquid-phase outlet 6 and second liquid phase outlet 10 are for often to open.Drain 8 interval is open, the time during port of the solid matter degree of depth that its time is spaced apart the bottom precipitation of lower end end socket close to the vertical tube of the first liquid-phase outlet 6 or second liquid phase outlet 10.Accordingly, first fluid reservoir 12, second fluid reservoir 14 is often opened, and ceaselessly receives the liquid product of reactor, when finding that the solid product mixed in liquid product significantly increases, open storage salt cellar, the mixture of solid product and strong brine is put into and stores up in salt cellar 13.All the other are same as embodiment 1.
Based on a supercritical reaction product automatic classification discharge method for the supercritical reaction still in above-described embodiment 2, the steps include:
1) liquid product and the solid product containing inorganic salts is produced through supercritical reaction in supercritical reaction still;
2) described liquid product is discharged through the one or more liquid-phase outlets set by supercritical reaction still drain one side;
3) described solid product set drain bottom supercritical reaction thing is discharged;
4) described liquid product and solid product are expelled to respective storage tank respectively.
Wherein, the first liquid-phase outlet and second liquid phase outlet for often to open, the opening of drain interval, the time during port of the solid matter degree of depth that its time is spaced apart the bottom precipitation of described lower end end socket close to described vertical tube.Accordingly, the first fluid reservoir, the second fluid reservoir are often opened, and ceaselessly receive the liquid product of reactor, when finding that liquid product significantly increases, open storage salt cellar, solid and strong brine are put in storage salt cellar 13.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (12)
1. a supercritical reaction still for product automatic classification discharge, it is characterized in that: it comprises cylindrical shell, upper end end socket, lower end end socket, one or more liquid-phase outlet, drain, described upper end end socket, cylindrical shell and lower end end socket are loaded into enclosure space; Described enclosure space top arranges oxidant inlet and reaction mass entrance, and the bottom of described lower end end socket arranges drain, and connects described liquid-phase outlet on described drain side; Described liquid-phase outlet is the vertical tube stretching into described enclosure space inside; In the inside of described enclosure space, the port of described vertical tube is higher than described drain.
2. the supercritical reaction still of a kind of product automatic classification discharge as claimed in claim 1, is characterized in that: the port of described vertical tube is arranged a screen pack.
3. the supercritical reaction still of a kind of product automatic classification discharge as claimed in claim 1 or 2, it is characterized in that: in the outside of described enclosure space, described liquid-phase outlet is connected same storage tank with drain.
4. the supercritical reaction still of a kind of product automatic classification discharge as claimed in claim 3, it is characterized in that: the sequential batch that the outlet of described storage tank enters described storage tank according to the product that described liquid-phase outlet and drain export is open, meets the separation of different densities product in described cylindrical shell.
5. the supercritical reaction still of a kind of product automatic classification discharge as claimed in claim 1 or 2, it is characterized in that: in the outside of described enclosure space, described one or more liquid-phase outlet connects corresponding fluid reservoir, and described drain connects storage salt cellar.
6. the supercritical reaction still of a kind of product automatic classification discharge as claimed in claim 5, is characterized in that: described liquid-phase outlet is for often to open; Described drain interval is open, the time during port of the solid matter degree of depth that its time is spaced apart the bottom precipitation of described lower end end socket close to described vertical tube.
7. the supercritical reaction still that a kind of product automatic classification as described in claim 1 or 2 or 4 or 6 is discharged, is characterized in that: the port of described vertical tube is higher than described drain 30mm-150mm.
8. a supercritical reaction product automatic classification discharge method, is characterized in that: comprise the steps:
1). produce liquid product and the solid product containing inorganic salts through supercritical reaction in supercritical reaction still;
2). described liquid product is discharged through the one or more liquid-phase outlets set by supercritical reaction still drain one side;
3). described solid product set drain bottom supercritical reaction thing is discharged;
4) port of described liquid-phase outlet is higher than described drain.
9. a kind of supercritical reaction product automatic classification discharge method as claimed in claim 8, is characterized in that: described liquid product and solid product are expelled to same storage tank successively.
10. a kind of supercritical reaction product automatic classification discharge method as claimed in claim 9, it is characterized in that: the sequential batch that the outlet of described storage tank enters described storage tank according to the product that described liquid-phase outlet and drain export is open, meets the separation of different densities product in described cylindrical shell.
11. a kind of supercritical reaction product automatic classification discharge methods as claimed in claim 8, is characterized in that: described liquid product and solid product are expelled to each self-corresponding storage tank respectively.
12. a kind of supercritical reaction product automatic classification discharge methods as claimed in claim 11, is characterized in that: described liquid-phase outlet is for often to open; Described drain interval is open, the time during port of the solid matter degree of depth that its time is spaced apart the bottom precipitation of described lower end end socket close to described vertical tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510313080.0A CN104907002A (en) | 2015-06-09 | 2015-06-09 | Supercritical reaction kettle capable of sorting and discharging products automatically and method |
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| CN201510313080.0A CN104907002A (en) | 2015-06-09 | 2015-06-09 | Supercritical reaction kettle capable of sorting and discharging products automatically and method |
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| CN104907002A true CN104907002A (en) | 2015-09-16 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007130776A2 (en) * | 2006-04-12 | 2007-11-15 | General Atomics | Water oxidization system and method |
| CN102190363A (en) * | 2011-05-12 | 2011-09-21 | 西安交通大学 | Supercritical water oxidation reactor by using auxiliary fuel for supplying heat |
| CN102557229A (en) * | 2012-02-22 | 2012-07-11 | 长春工业大学 | Constant volume internal combustion type supercritical fluid oxidation device and oxidation method thereof |
| CN102642910A (en) * | 2012-04-23 | 2012-08-22 | 西安交通大学 | Oxidation desalting device for supercritical water treatment |
| CN204251404U (en) * | 2014-12-05 | 2015-04-08 | 内蒙古天一环境技术有限公司 | The evaporation wall type supercritical water oxidation device of direct separated salt and subcritical water |
| CN204672257U (en) * | 2015-06-09 | 2015-09-30 | 王冰 | The supercritical reaction still that a kind of product automatic classification is discharged |
-
2015
- 2015-06-09 CN CN201510313080.0A patent/CN104907002A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007130776A2 (en) * | 2006-04-12 | 2007-11-15 | General Atomics | Water oxidization system and method |
| CN102190363A (en) * | 2011-05-12 | 2011-09-21 | 西安交通大学 | Supercritical water oxidation reactor by using auxiliary fuel for supplying heat |
| CN102557229A (en) * | 2012-02-22 | 2012-07-11 | 长春工业大学 | Constant volume internal combustion type supercritical fluid oxidation device and oxidation method thereof |
| CN102642910A (en) * | 2012-04-23 | 2012-08-22 | 西安交通大学 | Oxidation desalting device for supercritical water treatment |
| CN204251404U (en) * | 2014-12-05 | 2015-04-08 | 内蒙古天一环境技术有限公司 | The evaporation wall type supercritical water oxidation device of direct separated salt and subcritical water |
| CN204672257U (en) * | 2015-06-09 | 2015-09-30 | 王冰 | The supercritical reaction still that a kind of product automatic classification is discharged |
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Application publication date: 20150916 |
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