CN204569599U - A kind of novel no pollution sewage effluent total system - Google Patents
A kind of novel no pollution sewage effluent total system Download PDFInfo
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- CN204569599U CN204569599U CN201520031440.3U CN201520031440U CN204569599U CN 204569599 U CN204569599 U CN 204569599U CN 201520031440 U CN201520031440 U CN 201520031440U CN 204569599 U CN204569599 U CN 204569599U
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- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Abstract
The utility model relates to a kind of novel no pollution sewage effluent total system, and it comprises as lower unit: sewage concentration unit, containing pretreatment system, membrane filtration system, membrane concentration system, pulverizes grinding system, homogeneous system; Supercritical water oxidation unit, oxygenous delivery system, sewage transport system, supercritical water oxidation (SCWO) reactor, gas solid separation system, Separate System of Water-jet, CO
2liquefaction system, oxygen enrichment reclaiming system; Water outlet membrane concentration unit, containing membrane concentration system.System and method of the present utility model is not only applicable to sewage disposal, and can the simultaneously solid waste such as lignin-sludge, stalk; Process after product is carbonic acid gas, water and minerals, can not produce secondary pollution; It is hot that the heat produced in process not only meets using of system self, and waste heat is used for heating, for cold-peace generating; The recovery of carbonic acid gas and oxygen enrichment reuse further save cost and expand income.
Description
Technical field
The utility model belongs to sewage disposal and energy resource circulation and stress field, particularly one novel no pollution sewage effluent total system.
Background technology
Traditional sewage disposal technology has: materializing strategy technology, chemical treatment method and biologic treating technique.A kind of pretreated means of physico-chemical process Chang Zuowei are applied to sewage disposal; Chemical treatment method also usually uses as the pretreatment process of biochemical treatment; The treatment process comparatively generally adopted is essentially biological process, but the improvement etc. of the eutrophication of the removal of hardly degraded organic substance, water body, high density height COD trade effluent, micro polluted source is all the difficult problem that biologic treating technique has faced.In recent years, membrane bioreactor and reverse osmosis are applied more and more extensive in sewage disposal.But because film product cost is high, the life-span is short, vulnerable to pollution, process thoroughly do not cause the reasons such as secondary pollution, causes this technology to be faced with the difficult problem hindering and apply in evolution.On the whole, the subject matter that current sewage disposal technology exists is: (1), according to kind of waste water and water quality characteristic, needs dissimilar treatment process; (2) in process, callable economic worth is not high, causes the waste of resource and the energy; (3) particularly some difficult treatment of Organic Wastewater is costly for sewage; (4) process is not thorough, can cause secondary pollution.
Therefore, need to seek a kind of integrated waste water treatment system be more suitable for.
Summary of the invention
For existing sewage disposal technology Problems existing, the utility model provides the discharge of a kind of applied widely, high-level efficiency, no pollution, can realize the energy and resource reclaim simultaneously, is specially adapted to the novel no pollution sewage effluent total system of high concentrated organic wastewater no pollution discharge.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of novel no pollution sewage effluent total system, is characterized in that, comprise as lower unit:
(1) sewage concentration unit: comprise pretreatment system, membrane filtration system, membrane concentration system, pulverize grinding system, homogeneous system, the water inlet of sewage is connected with the sewage transport system entry of supercritical water oxidation unit by pretreatment system, membrane filtration system, membrane concentration system, homogeneous system successively, in addition, pretreatment system and membrane filtration system are connected with pulverizing grinding system respectively, pulverize grinding system and are connected with homogeneous system;
(2) supercritical water oxidation unit: comprise oxygen delivery system, sewage transport system, supercritical water oxidation (SCWO) reactor, gas solid separation system, Separate System of Water-jet, CO
2liquefaction system, oxygen enrichment reclaiming system, the outlet of oxygen delivery system, sewage transport system is connected with the entrance of supercritical water oxidation (SCWO) reactor, and the outlet of supercritical water oxidation (SCWO) reactor connects gas solid separation system, Separate System of Water-jet, CO successively
2liquefaction system, oxygen enrichment reclaiming system, oxygen enrichment reclaiming system is connected with oxygen delivery system;
(3) water outlet membrane concentration unit: comprise water outlet membrane concentration system, water outlet membrane concentration system water-in is connected with the Separate System of Water-jet of supercritical water oxidation unit, and water outlet is connected with the membrane concentration system of sewage concentration unit.
And described reactor is countercurrent evaporation wall type reactor.
Advantage of the present utility model and beneficial effect are:
The utility model is not only applicable to sewage disposal, and can the simultaneously solid waste such as lignin-sludge, stalk; Process after product is carbonic acid gas, water and minerals, can not produce secondary pollution; It is hot that the heat produced in process not only meets using of system self, and waste heat is used for heating, for cold-peace generating; The recovery of carbonic acid gas and oxygen enrichment reuse further save cost and expand income.The combination of membrane concentration and supercritical water oxidation enables the sewage of wider COD value carry out supercritical water oxidation process, and realizes no pollution discharge.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of novel no pollution sewage effluent total system;
Fig. 2 is the principle of work schematic flow sheet of novel no pollution sewage effluent total system.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of novel no pollution sewage effluent total system, comprises as lower unit:
(1) sewage concentration unit: comprise pretreatment system, membrane filtration system, membrane concentration system, pulverize grinding system, homogeneous system, the water inlet of sewage is connected with the sewage transport system entry of supercritical water oxidation unit by pretreatment system, membrane filtration system, membrane concentration system, homogeneous system successively, in addition, pretreatment system and membrane filtration system are connected with pulverizing grinding system respectively, pulverize grinding system and are connected with homogeneous system.
Pretreatment system can adopt grid, flotation cell.
Membrane filtration system adopts micro-filtration/ultrafiltration membrance filter equipment.
Membrane concentration system adopts nanofiltration/reverse osmosis membrane filtration equipment.
Pulverize grinding system and adopt Wet vertical ball mill.
Homogeneous system adopts high pressure homogenizer.
(2) supercritical water oxidation unit: comprise oxygen delivery system, sewage transport system, supercritical water oxidation (SCWO) reactor, gas solid separation system, Separate System of Water-jet, CO
2liquefaction system, oxygen enrichment reclaiming system, the outlet of oxygen delivery system, sewage transport system is connected with the entrance of supercritical water oxidation (SCWO) reactor, and the outlet of supercritical water oxidation (SCWO) reactor connects gas solid separation system, Separate System of Water-jet, CO successively
2liquefaction system, oxygen enrichment reclaiming system, oxygen enrichment reclaiming system is connected with oxygen delivery system.
(3) water outlet membrane concentration unit: comprise water outlet membrane concentration system, membrane concentration system water-in is connected with the Separate System of Water-jet of supercritical water oxidation unit, and water outlet is connected with the membrane concentration system of sewage concentration unit.
The working process of this novel no pollution sewage effluent total system is:
A kind of novel no pollution sewage effluent integrated conduct method, comprises the steps:
(1) pre-treatment: the water inlet of sewage uses physico-chemical processes to remove in water through pretreatment system to be had the organism of harm, inorganic particle and floating matter to film, regulate amount of inlet water and pH value.Step (1) pretreated method is the combination of one or more methods in grid, screen cloth, settling pit, grit water separator, settling tank, oil trap, equalizing tank, accident pool, filtration method, centrifugal separation, absorption method, By Bubble-floating Method, acid-base neutralisation method, chemical precipitation method, electrolytic process, Coagulation Method etc.
Step (1) the pretreated method of the present embodiment is the combination of grid and flotation cell.
(2) membrane filtration: use micro-filtration/ultrafiltration membrance filter technology through membrane filtration system through pretreated water, removes microorganism in water, the macromole in separation solution, colloid, protein and suspended particle, and water purification produces Water Sproading rate more than 80%.
(3) membrane concentration: the water after membrane filtration uses nanofiltration/reverse osmosis membrane filtration technology through membrane concentration system, solvability small organic molecule in further removal water and inorganic salt, the further enrichment of pollutent in water is concentrated, and water purification produces Water Sproading rate more than 80%.
(4) pulverize grinding: remove in preprocessing process to film have be trapped in the organism of harm and membrane filtration processes macromole, colloid, protein through pulverize grinding system reclaim further carry out pulverizings grind.
(5) homogeneous: the high-enriched organics after step (3) membrane concentration mixes with step (4) organism after pulverizing and grinding, broken further under homogeneous system mechanical effect, stir, make whole system more stable.
(6) sewage transport: the dense organism of the height after homogenization treatment through sewage transport system boost, preheating laggard enter supercritical water oxidation system, its temperature controls at 250 ~ 350 DEG C, and pressure-controlling is at 22 ~ 35MPa.
(7) oxygen delivery: oxygen enters supercritical water reaction device in oxygen delivery system through supercharging, preheating, and its temperature controls at 250 ~ 350 DEG C, and pressure-controlling is at 22 ~ 35MPa.
(8) supercritical water oxidation (SCWO): oxygen and the dense organism of height enter supercritical water oxidation (SCWO) reactor, mixed firing, produces supercutical fluid and inorganic salt.
(9) gas solid separation: supercutical fluid is separated by gas solid separation system with inorganic salt, and inorganic salt remove in solid form.Gas solid separation system adopts cyclonic separator.
(10) gas-liquid separation: the supercutical fluid after desalination is after multi-stage heat exchanger, its temperature 100 ~ 200 DEG C, pressure is at 22 ~ 35MPa, after entering into Separate System of Water-jet, by back pressure valve control pressure to 5 ~ 10MPa, gas phase and liquid phase separation, gas fraction is carbonic acid gas and unnecessary oxygen, and liquid portion is water.
(11) CO
2liquefaction: the gas fraction after gas-liquid separation is through CO
2liquefaction system dehydration, heat exchange are cooled to 20 ~ 30 DEG C, enter rectifying tower, after rectifying tower is separated, obtain liquid CO
2and oxygen rich gas.
(12) oxygen enrichment reuse: oxygen rich gas and oxygen reuse after the mixing of oxygen enrichment reclaiming system.
(13) membrane concentration: the liquid portion after step (10) gas-liquid separation is further by nanofiltration/reverse osmosis membrane filtration technical finesse, and dense water enters into water outlet membrane concentration system and carries out membrane concentration process.
Step (9) gas solid separation process, desalination plant together with reactor, also can separate with reactor.
Sewage is after supercritical water oxidation process, and the large energy of generation is recycled, and is used for oxygen and sewage preheating, and unnecessary heat is used for heating, for cold-peace generating.
Water purification after step (13) membrane concentration produces water, and a part is back to use supercritical water oxidation (SCWO) as evaporation wall water.
Although disclose embodiment of the present utility model 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 utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (2)
1. a novel no pollution sewage effluent total system, is characterized in that, comprise as lower unit:
(1) sewage concentration unit: comprise pretreatment system, membrane filtration system, membrane concentration system, pulverize grinding system, homogeneous system, the water inlet of sewage is connected with the sewage transport system entry of supercritical water oxidation unit by pretreatment system, membrane filtration system, membrane concentration system, homogeneous system successively, in addition, pretreatment system and membrane filtration system are connected with pulverizing grinding system respectively, pulverize grinding system and are connected with homogeneous system;
(2) supercritical water oxidation unit: comprise oxygen delivery system, sewage transport system, supercritical water oxidation (SCWO) reactor, gas solid separation system, Separate System of Water-jet, CO
2liquefaction system, oxygen enrichment reclaiming system, the outlet of oxygen delivery system, sewage transport system is connected with the entrance of supercritical water oxidation (SCWO) reactor, and the outlet of supercritical water oxidation (SCWO) reactor connects gas solid separation system, Separate System of Water-jet, CO successively
2liquefaction system, oxygen enrichment reclaiming system, oxygen enrichment reclaiming system is connected with oxygen delivery system;
(3) water outlet membrane concentration unit: comprise water outlet membrane concentration system, water outlet membrane concentration system water-in is connected with the Separate System of Water-jet of supercritical water oxidation unit, and water outlet is connected with the membrane concentration system of sewage concentration unit.
2. novel no pollution sewage effluent total system according to claim 1, is characterized in that: described supercritical water oxidation (SCWO) reactor is countercurrent evaporation wall type reactor.
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| CN201520031440.3U CN204569599U (en) | 2015-01-19 | 2015-01-19 | A kind of novel no pollution sewage effluent total system |
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| CN201520031440.3U CN204569599U (en) | 2015-01-19 | 2015-01-19 | A kind of novel no pollution sewage effluent total system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174675A (en) * | 2015-08-28 | 2015-12-23 | 中国海洋石油总公司 | Treatment method for coal-gasification wastewater biochemical sludge |
| CN105439320A (en) * | 2015-12-02 | 2016-03-30 | 王冰 | Community full underground type resource cyclic utilization system for sewage and solid trash |
| CN105859088A (en) * | 2016-06-01 | 2016-08-17 | 新奥科技发展有限公司 | Supercritical sludge treatment system and treatment method |
| CN105858944A (en) * | 2015-01-19 | 2016-08-17 | 王冰 | Novel comprehensive treatment system and method for sewage with zero-pollution discharge |
| CN105859087A (en) * | 2016-06-01 | 2016-08-17 | 新奥科技发展有限公司 | Supercritical sludge treatment system and treatment method |
| CN105967472A (en) * | 2016-06-01 | 2016-09-28 | 新奥科技发展有限公司 | Supercritical sludge treatment system and method |
| CN106608700A (en) * | 2015-10-22 | 2017-05-03 | 王冰 | Supercritical system and method used for increasing low COD waste water calorific value with bacteria-alga |
-
2015
- 2015-01-19 CN CN201520031440.3U patent/CN204569599U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858944A (en) * | 2015-01-19 | 2016-08-17 | 王冰 | Novel comprehensive treatment system and method for sewage with zero-pollution discharge |
| CN105174675A (en) * | 2015-08-28 | 2015-12-23 | 中国海洋石油总公司 | Treatment method for coal-gasification wastewater biochemical sludge |
| CN106608700A (en) * | 2015-10-22 | 2017-05-03 | 王冰 | Supercritical system and method used for increasing low COD waste water calorific value with bacteria-alga |
| CN105439320A (en) * | 2015-12-02 | 2016-03-30 | 王冰 | Community full underground type resource cyclic utilization system for sewage and solid trash |
| CN105439320B (en) * | 2015-12-02 | 2018-01-02 | 王冰 | A kind of resource cyclic utilization system of the full underground type sewage of cell and solid refuse |
| CN105859088A (en) * | 2016-06-01 | 2016-08-17 | 新奥科技发展有限公司 | Supercritical sludge treatment system and treatment method |
| CN105859087A (en) * | 2016-06-01 | 2016-08-17 | 新奥科技发展有限公司 | Supercritical sludge treatment system and treatment method |
| CN105967472A (en) * | 2016-06-01 | 2016-09-28 | 新奥科技发展有限公司 | Supercritical sludge treatment system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20220119 |