CN204509078U - A kind of Novel supercritical Water oxidize lignin-sludge system - Google Patents
A kind of Novel supercritical Water oxidize lignin-sludge system Download PDFInfo
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- CN204509078U CN204509078U CN201520164426.0U CN201520164426U CN204509078U CN 204509078 U CN204509078 U CN 204509078U CN 201520164426 U CN201520164426 U CN 201520164426U CN 204509078 U CN204509078 U CN 204509078U
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- oxidization reactor
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Treatment Of Sludge (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model relates to a kind of Novel supercritical Water oxidize lignin-sludge system, and it comprises material processing unit, supercritical water oxidation unit and clean water basin, and the water outlet of described clean water basin connects described material processing unit, described supercritical water oxidation unit comprises oxygen supply system, starting fluid system, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet, wherein, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet connects successively, described starting fluid system is connected to the fuel inlet of overcritical water oxidization reactor, described oxygen supply system is connected to the oxygen intake of described overcritical water oxidization reactor, the outlet of described Separate System of Water-jet connects described clean water basin, described material processing unit is connected to the material inlet of overcritical water oxidization reactor.The utility model makes mud raw material can adapt with supercritical water oxidation treatment system after pretreatment, completes the supercritical water oxidation process of mud, thus realizes the recovery again of the energy and resource.
Description
Technical field
The utility model belongs to sewage disposal and energy resource circulation and stress field, particularly a kind of Novel supercritical Water oxidize lignin-sludge system.
Background technology
Sludge treatment is as environmental protection industry (epi) branch, and mentioned by since " 12 ", policy has, but dynamics is so large not as the field such as desulphurization denitration, waste incineration.Along with country is about to put into effect water prevention and cure of pollution action plan (" cleaning water action plan "), sludge treatment is expected to become the new theme of environmental protection investments.It is revealed, this plan is except the pollution reduction index in clearly each segmentation field and specific tasks, planning maximum bright spot is that clear and definite sludge treatment will as one of water prevention and cure of pollution key task, following by accelerating the sludge treatment facilities synchronized construction advancing national sewage work, to make the backward situation of current National sludge treatment rate less than 10% up.According to measuring and calculating, the infrastructure investment demand of the five-year whole nation sludge treatment facilities construction (comprising newly-built and existing transformation of facility) will reach 60,000,000,000 yuan, in addition later stage operation infusion of financial resources demand surpasses 10,000,000,000 yuan/year, and the gross investment scale that sludge treatment prizes will surpass hundred billion yuan.
The mud that general sewage work produces is the solid or liquid shape material that water content does not wait 75 ~ 99%.Solids component is wherein primarily of compositions such as organic relic, microorganism, inorganic particle, colloid and flocculation institute with medicament, a kind of based on organic composition, the mixture of complicated components, wherein includes the organic matter of potential utility value, nitrogen (N), phosphorus (P), potassium (K) and various trace element.
Therefore, need to seek a kind of mud total system be more suitable for.
Supercritical water oxidation method is under the high-temperature and high-pressure conditions of the stagnation point exceeding water (T=374.15 DEG C, P=22.12MPa), organism is carried out with oxygen and other oxygenants the method that " burning " be oxidized.Speed of response is fast, oxidation efficiency is very high, and most of organic clearance can reach more than 99%.
Summary of the invention
For existing sludge disposal technology Problems existing, the utility model provides that a kind of processing efficiency is high, no pollution discharge, simple to operate can realize the energy and resource reclaim simultaneously Novel supercritical Water oxidize lignin-sludge system and.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of Novel supercritical Water oxidize lignin-sludge system, it is characterized in that: it comprises material processing unit, supercritical water oxidation unit and clean water basin, the water outlet of described clean water basin connects described material processing unit, described supercritical water oxidation unit comprises oxygen supply system, starting fluid system, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet, wherein, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet connects successively, described starting fluid system is connected to the fuel inlet of overcritical water oxidization reactor, described oxygen supply system is connected to the oxygen intake of described overcritical water oxidization reactor, the outlet of described Separate System of Water-jet connects described clean water basin, described material processing unit is connected to the material inlet of overcritical water oxidization reactor.
Described material processing unit comprises the crushing grinding device, homogeneous device and the Pressurized-heated device that are communicated with successively.
Described overcritical water oxidization reactor comprises cylindrical shell, burner, evaporation wall; Described inner barrel arranges evaporation wall with one heart, the narrow gap closed of the multistage annular along cylindrical shell axial distribution is formed between described evaporation wall and cylindrical shell, each described narrow gap has water inlet on cylindrical shell, the liquid passed into via water inlet can be infiltrated by described evaporation wall, forms moisture film at evaporation wall internal surface; Burner stretches into from cylindrical shell top, and the burner of described burner is positioned at cylindrical shell, and cylindrical shell top is shaped with material inlet and oxygen intake, burner is shaped with fuel inlet and oxygen intake, cylinder body bottom is shaped with liquid outlet, and evaporation wall is made of porous materials, and described liquid is subcritical water.
Arrange heat exchange system between described gas solid separation system and Separate System of Water-jet, the vapour outlet of described heat exchange system connects steam utilization equipment.
Pneumatic outlet Bonding pressure energy recovery system, oxygen enrichment reclaiming system and the described oxygen supply system successively of described Separate System of Water-jet.
The solid outlet of described gas solid separation system is connected to solid salt collecting device.
Advantage of the present utility model and beneficial effect are:
1, system of the present utility model has the character such as thickness, caking for mud, first mud is ground, the mud that namely grinding enters system carries out pre-treatment through grinding plant, the object of grinding plant is mainly cut and grinds, major way carries out break process to mud, mud is made to reach homogeneous, refinement, so that better carry out supercritical water oxidation more fully in systems in which, better make this raw material of mud therewith total system adapt, complete follow-up treating processes, complete the comprehensive treating process scheme that mud realizes the energy and resource reclaim.
2, the utility model is not only applicable to the process of single mud, 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.
3, overcritical water oxidization reactor of the present utility model adopts multi-layer cylinder, separate region is formed between each layer cylindrical shell and evaporation wall, what enter this region is subcritical water, subcritical water is under the effect of pressure reduction, flow into evaporation wall internal surface, because evaporation wall adopts multistage installation, each subregion regulates flooding quantity separately, ensure that and form the uniform moisture film of a layer thickness thereon, the inorganic salt produced in supercritical reaction process are dissolved, prevent the fouling of inorganic salt on inwall, prevent corrosives to contact with inner tube wall thus the corrosion caused simultaneously, reacting fluid after desalination flows out from bottom, improves the security of device, and the use of evaporation wall reduces the selection difficulty to reactor cylinder material, simultaneously when evaporation wall is broken or block, without the need to changing all evapn wall, the evaporation wall only need changing damage can use.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Novel supercritical Water oxidize lignin-sludge system;
Fig. 2 is the structural representation of the overcritical water oxidization reactor in the utility model.
Description of reference numerals:
Crushing grinding device 1, homogeneous device 2, clean water basin 3, Pressurized-heated device 4, steam utilization equipment 6, starting fluid system 7, overcritical water oxidization reactor 8, gas solid separation system 9, heat exchange system 10, Separate System of Water-jet 11, pressure energy recovery system 12, oxygen supply system 13, solid salt collecting device 14, oxygen enrichment reclaiming system 15, cylindrical shell 16, water inlet 17, narrow gap 18, material inlet and oxygen intake 19, fuel inlet and oxygen intake 20, burner 21, evaporation wall 22, liquid outlet 23.
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.
As shown in Figure 1, a kind of Novel supercritical Water oxidize lignin-sludge system, it comprises material processing unit, supercritical water oxidation unit and clean water basin 3.The water outlet of clean water basin connects material processing unit.Material processing unit comprises the crushing grinding device 1, homogeneous device 2 and the Pressurized-heated device 4 that are communicated with successively.
Supercritical water oxidation unit comprises oxygen supply system 13, starting fluid system 7, overcritical water oxidization reactor 8, gas solid separation system 9, Separate System of Water-jet 11, wherein, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet connects successively, starting fluid system is connected to the fuel inlet of overcritical water oxidization reactor, oxygen supply system is connected to the oxygen intake of described overcritical water oxidization reactor, the outlet of described Separate System of Water-jet connects described clean water basin, material processing unit is connected to the material inlet of overcritical water oxidization reactor.
Arrange heat exchange system 10 between gas solid separation system and Separate System of Water-jet, the vapour outlet of described heat exchange system connects steam utilization equipment 6.Pneumatic outlet Bonding pressure energy recovery system 12, oxygen enrichment reclaiming system 15 and the described oxygen supply system successively of Separate System of Water-jet.The solid outlet of gas solid separation system is connected to solid salt collecting device 14.
As shown in Figure 2, overcritical water oxidization reactor comprises cylindrical shell 16, burner 21, evaporation wall 22; Described inner barrel arranges evaporation wall with one heart, the narrow gap 18 closed of the multistage annular along cylindrical shell axial distribution is formed between described evaporation wall and cylindrical shell, each described narrow gap has water inlet 17 on cylindrical shell, the liquid passed into via water inlet can be infiltrated by described evaporation wall, forms moisture film at evaporation wall internal surface; Burner stretches into from cylindrical shell top, the burner of described burner is positioned at cylindrical shell, cylindrical shell top is shaped with material inlet and oxygen intake 19, burner is shaped with fuel inlet and oxygen intake 20, cylinder body bottom is shaped with liquid outlet 23, evaporation wall is made of porous materials, and described liquid is subcritical water.
The principle of work of this Novel supercritical Water oxidize lignin-sludge is:
In the present embodiment, design influent COD is 3400mg/L, PH is 8.5.
1) Feedstock treating: mud is introduced into material processing unit, carries out pulverizing and grinds, pressurizes, heats; The temperature range of mud after pressurization, heating is at 300-370 DEG C, and pressure range is at 22-35Mpa;
2) supercritical water oxidation: through the mud of material processing unit process, deliver in the overcritical water oxidization reactor of supercritical water oxidation unit, simultaneously oxygen supply system export oxygen, together enter overcritical water oxidization reactor through pretreated mud and carry out supercritical water oxidation.
3) gas solid separation: multi-effect evaporating device can be utilized after supercritical reaction to reclaim inorganic salt, carry out gas solid separation.
4) gas-liquid separation: described supercutical fluid control pressure in Separate System of Water-jet, to 5 ~ 10MPa, carries out gas phase and liquid phase separation, and gas fraction is carbonic acid gas and unnecessary oxygen, and liquid portion is water.Gas fraction enters into pressure energy recovery system, and pressure energy reclaims the hot-fluid being through three grades of interchanger and carries out pressure recovery through one-level hydraulic turbine unit, the first gas-liquid separator and secondary hydraulic turbine unit successively.Step 1) in pulverize water needed for process of lapping by described step 4) described liquid portion provide.
Claims (6)
1. a Novel supercritical Water oxidize lignin-sludge system, is characterized in that: it comprises material processing unit, supercritical water oxidation unit and clean water basin, and the water outlet of described clean water basin connects described material processing unit, described supercritical water oxidation unit comprises oxygen supply system, starting fluid system, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet, wherein, overcritical water oxidization reactor, gas solid separation system, Separate System of Water-jet connects successively, described starting fluid system is connected to the fuel inlet of overcritical water oxidization reactor, described oxygen supply system is connected to the oxygen intake of described overcritical water oxidization reactor, the outlet of described Separate System of Water-jet connects described clean water basin, described material processing unit is connected to the material inlet of overcritical water oxidization reactor.
2. a kind of Novel supercritical Water oxidize lignin-sludge system as claimed in claim 1, is characterized in that: described material processing unit comprises the crushing grinding device, homogeneous device and the Pressurized-heated device that are communicated with successively.
3. a kind of Novel supercritical Water oxidize lignin-sludge system as claimed in claim 1, is characterized in that: described overcritical water oxidization reactor comprises cylindrical shell, burner, evaporation wall; Described inner barrel arranges evaporation wall with one heart, the narrow gap closed of the multistage annular along cylindrical shell axial distribution is formed between described evaporation wall and cylindrical shell, each described narrow gap has water inlet on cylindrical shell, the liquid passed into via water inlet can be infiltrated by described evaporation wall, forms moisture film at evaporation wall internal surface; Burner stretches into from cylindrical shell top, and the burner of described burner is positioned at cylindrical shell, and cylindrical shell top is shaped with material inlet and oxygen intake, burner is shaped with fuel inlet and oxygen intake, cylinder body bottom is shaped with liquid outlet, and evaporation wall is made of porous materials, and described liquid is subcritical water.
4. a kind of Novel supercritical Water oxidize lignin-sludge system according to claim 3, is characterized in that: arrange heat exchange system between described gas solid separation system and Separate System of Water-jet, and the vapour outlet of described heat exchange system connects steam utilization equipment.
5. according to a kind of Novel supercritical Water oxidize lignin-sludge system one of claim 1-4 Suo Shu, it is characterized in that: pneumatic outlet Bonding pressure energy recovery system, oxygen enrichment reclaiming system and the described oxygen supply system successively of described Separate System of Water-jet.
6., according to a kind of Novel supercritical Water oxidize lignin-sludge system one of claim 1-4 Suo Shu, it is characterized in that: the solid outlet of described gas solid separation system is connected to solid salt collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520164426.0U CN204509078U (en) | 2015-03-23 | 2015-03-23 | A kind of Novel supercritical Water oxidize lignin-sludge system |
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| CN201520164426.0U CN204509078U (en) | 2015-03-23 | 2015-03-23 | A kind of Novel supercritical Water oxidize lignin-sludge system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829079A (en) * | 2015-03-23 | 2015-08-12 | 王冰 | A novel supercritical water oxidation sludge treatment system and a method |
| CN109848182A (en) * | 2019-02-03 | 2019-06-07 | 中国原子能科学研究院 | The method of supercritical water oxidation system and processing solid combustible |
-
2015
- 2015-03-23 CN CN201520164426.0U patent/CN204509078U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829079A (en) * | 2015-03-23 | 2015-08-12 | 王冰 | A novel supercritical water oxidation sludge treatment system and a method |
| CN109848182A (en) * | 2019-02-03 | 2019-06-07 | 中国原子能科学研究院 | The method of supercritical water oxidation system and processing solid combustible |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |