CN205616574U - Use coking desulfurization waste liquid to carry device of salt extraction filter residue as raw materials purification sodium hyposulfite - Google Patents
Use coking desulfurization waste liquid to carry device of salt extraction filter residue as raw materials purification sodium hyposulfite Download PDFInfo
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- CN205616574U CN205616574U CN201620180441.9U CN201620180441U CN205616574U CN 205616574 U CN205616574 U CN 205616574U CN 201620180441 U CN201620180441 U CN 201620180441U CN 205616574 U CN205616574 U CN 205616574U
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- filter residue
- desulfurization waste
- coking desulfurization
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- salt extraction
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Abstract
The utility model provides an use coking desulfurization waste liquid to carry device of salt extraction filter residue as raw materials purification sodium hyposulfite, the device includes dissolving kettle, plate filtration machine, precision filter, evaporated crystallizer and the centrifuge who is connected gradually by the pipeline. The utility model discloses use coking desulfurization waste liquid to carry the salt extraction filter residue as the raw materials, through dissolving, plate filtration, secondary filter, at olso cooling crystallizer intercrystalline, centrifugation goes out product sodium hyposulfite. The utility model discloses not only the raw materials is easy to compare other methods of preparing sodium hyposulfite, simple process, and energy -conservation, product sodium hyposulfite's crystal grain is great, has realized the utilization of extraction filter residue moreover, with low costs and environmental protection.
Description
Technical field
The utility model relates to sodium thiosulfate and purifies field, is specifically related to a kind of with coking desulfurization waste liquor extraction filter residue as raw material
Purify the device of sodium thiosulfate.
Technical background
Tradition thiosulfuric acid process for producing sodium is divided into the operations such as sulphur generation, oxidation, evaporation, crystallization, is to concentrate dilute sodium sulfide solution
Prepare concentrated solution, react at a certain temperature with Sulfur, generate sodium polysulfide solution, then rouse air oxidation generation dilute greatly
Soda solution, then prepare finished product through series of processes such as evaporation, concentration, crystallizations.Existing sodium thiosulfate preparation method technique
Complexity, the reaction time is long, and course of reaction is difficult to control to, pollutes waste seriously, it is difficult to meet the needs of industrialized production.
Utility model content
In order to solve the problems referred to above, the utility model proposes a kind of dress being feedstock purification sodium thiosulfate with coking desulfurization waste liquor
Putting, not only technique is simple, the reaction time is short, less pollution, and can preferably make coking desulfurization waste liquor resource, it is achieved
Waste liquid recycling.
The technical solution of the utility model is as follows:
A kind of be feedstock purification sodium thiosulfate with coking desulfurization waste liquor device, it is characterised in that include being sequentially connected with by pipeline
Dissolution kettle, flame filter press, accurate filter, crystallizing evaporator and centrifuge.
Preferred described dissolution kettle top includes dissolution kettle liquid phase feeding mouth, dissolution kettle solid phase charging aperture and self-loopa charging aperture, kettle
External wall coiling has external heating coil, has steam inlet in the middle part of kettle, and bottom has steam condensate (SC) outlet, and bottom has
Lysate exports.
Preferred described accurate filter side wall upper part has accurate filter import, and top has accurate filter outlet, bottom
Having sewage draining exit, inside has filter core.
Preferably also include dissolving Clear liquid tank between described accurate filter and crystallizing evaporator.
Preferred described crystallizing evaporator is Oslo evaporative crystallizer group.
Preferred described Oslo evaporative crystallizer group includes separation chamber, educates brilliant room, the bottom of described separation chamber and the top educating brilliant room
Portion connects, and the described crystalline substance sidepiece of room of educating is communicated by circulation pipe with the sidepiece of separation chamber；It is provided with pressure on described circulation pipe pipeline
Circulating pump and preheater, be provided with Oslo evaporative crystallizer charging aperture on forced circulation pump and the pipeline educated between brilliant room；?
The described bottom educating brilliant room has the outlet of Oslo evaporative crystallizer magma, has indirect steam outlet at the top of described separation chamber,
Middle part and bottom are respectively provided with water at low temperature outlet and water at low temperature import.
The utility model is with coking desulfurization waste liquor salt extraction extraction filter residue as raw material, and through dissolving, plate-frame filtering, secondary filter, in Austria
This land cooler crystallizer intercrystalline, centrifugation goes out product sodium thiosulfate.
The desulfurization waste liquor producing after coke-stove gas sodium alkali desulfurization contains the complex sodium sulfocyanate of composition, sodium sulphate, sulphur generation
The raw materials such as sodium sulphate, present stage, salt extraction technique was after extracting sodium sulfocyanate, due to the restriction of technique, suitable process
Remaining mixture can only be fallen by method as Solid state fermentation, not only causes environmental pollution, and causes waste.The utility model
Comparing other method producing sodium thiosulfate not only raw materials to be easy to get, technique is simple, energy-conservation, the crystal of product sodium thiosulfate
Grain is relatively big, and achieves recycling, low cost and the environmental protection of extraction filter residue.
Brief description
Fig. 1 is the device being feedstock purification sodium thiosulfate with coking desulfurization waste liquor salt extraction extraction filter residue of the utility model embodiment
Schematic diagram；
The dissolution kettle schematic diagram of Fig. 2: the utility model embodiment；
The accurate filter schematic diagram of Fig. 3: the utility model embodiment；
The Oslo evaporative crystallizer group schematic diagram of Fig. 4: the utility model embodiment.
In figure, each label lists as follows:
1-dissolution kettle；2-flame filter press；3-accurate filter；4-dissolves Clear liquid tank；5-separation chamber；6-educates brilliant room；7-forces
Circulating pump；8-preheater；9-Oslo evaporative crystallizer charging aperture；10-centrifuge；
11-dissolution kettle liquid phase feeding mouth；12-dissolution kettle solid phase charging aperture；13-lysate exports；14-self-loopa charging aperture；15-
Steam inlet；16-steam condensate (SC) exports；The external heating coil of 26-；
17-accurate filter import；18-accurate filter exports；19-sewage draining exit；20-filter core；
22-Oslo evaporative crystallizer magma exports；23-indirect steam exports；24-water at low temperature exports；25-water at low temperature import.
Detailed description of the invention
In order to be better understood from the utility model, with embodiment, the utility model is further explained below in conjunction with the accompanying drawings.
Embodiment
The device being feedstock purification sodium thiosulfate with coking desulfurization waste liquor of the present embodiment, as it is shown in figure 1, include being depended on by pipeline
The dissolution kettle of secondary connection the 1st, flame filter press the 2nd, accurate filter the 3rd, Oslo evaporative crystallizer group and centrifuge 10.Such as Fig. 2
Shown in, described dissolution kettle 1 top includes dissolution kettle liquid phase feeding mouth the 11st, dissolution kettle solid phase charging aperture 12 and self-loopa charging aperture
14, the coiling of kettle outer wall has external heating coil 26, has steam inlet 15 in the middle part of kettle, and bottom has steam condensate (SC) outlet
16, bottom has lysate outlet 13.As it is shown on figure 3, described accurate filter 3 side wall upper part has accurate filter import
17, top has accurate filter outlet 18, and bottom has sewage draining exit 19, and inside has filter core 20.As shown in Figure 4, institute
Stating Oslo evaporative crystallizer group and including that brilliant room 6 is educated in separation chamber the 5th, the bottom of described separation chamber 5 connects with the top educating brilliant room 6,
The described sidepiece educating brilliant room 6 is communicated by circulation pipe with the sidepiece of separation chamber 5；It is provided with forced circulation on described circulation pipe pipeline
Pump 7 and preheater 8, at forced circulation pump 7 and educate and be provided with Oslo evaporative crystallizer charging aperture 9 between brilliant room 6；Described
The bottom educating brilliant room 6 has Oslo evaporative crystallizer magma outlet 22, has indirect steam at the top of described separation chamber 5 and goes out
Mouth 23, middle part and bottom are respectively provided with water at low temperature outlet 24 and water at low temperature import 25.
The idiographic flow that the present embodiment purifies is as follows: from dissolution kettle liquid phase feeding mouth 11, a certain amount of clear water is injected dissolution kettle 1,2
Extraction filter residue during coking desulfurization waste liquor salt extraction again puts into dissolution kettle 1 from dissolution kettle solid phase charging aperture 12, in dissolution kettle 1
It is inside heated to 80 DEG C of dissolvings, and is driven by self-loopa charging aperture 14 self-loopa by pump, fully dissolve.Lysate crosses sheet frame mistake
Filter 2 removes large granular impurity, crosses accurate filter 3 and removes smaller particle impurity, enters and dissolve Clear liquid tank 4, at feed pump
Effect under, from crystallizer charging aperture 9, dissolving clear liquid is squeezed into Oslo evaporative crystallizer, under the drive of forced circulation pump 7
Enter the separation chamber 5 of Oslo evaporative crystallizer, in separation chamber 5, carry out crystallisation by cooling, enter Oslo evaporative crystallizer
Educating brilliant room 6, in educating brilliant room 6, growing the grain is grown up, and is deposited on and educates brilliant bottom, room 6, forms magma, and the relatively fine crystal in upper strata is (little
In 0.05mm) enter circulation pipe leading portion, the preheated device of forced circulation pump 7 the 8th, circulation pipe back segment is returned Olso evaporative crystallization
Device separation chamber 5, concentrates, it is achieved continuous crystallisation, until forming 1-3 granule crystal, indirect steam is from Oslo evaporator secondary
Steam (vapor) outlet 23 vacuumizes pull-out.It is deposited on oslo crystallizer and educate the magma of brilliant bottom, room 6 from Oslo evaporative crystallizer magma
Outlet 22 discharge, enters centrifuge 10 and is centrifuged, obtain sodium thiosulfate and thiosulfuric acid mother liquid of sodium.
The present embodiment technique is simple, energy-conservation, and the crystal grain of product sodium thiosulfate is relatively big, and achieves the money of extraction filter residue
Sourceization utilizes.
The above, only the utility model preferably detailed description of the invention, but protection domain of the present utility model is not limited to
This, any those familiar with the art in the technical scope that the utility model discloses, the change that can readily occur in or
Replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with right
The protection domain seeking book is as the criterion.
Claims (5)
1. the device that a kind is feedstock purification sodium thiosulfate with coking desulfurization waste liquor salt extraction extraction filter residue, it is characterized in that dissolution kettle, flame filter press, accurate filter, crystallizing evaporator and the centrifuge including being sequentially connected with by pipeline, described dissolution kettle top includes dissolution kettle liquid phase feeding mouth, dissolution kettle solid phase charging aperture and self-loopa charging aperture, the coiling of kettle outer wall has external heating coil, there is in the middle part of kettle steam inlet, bottom has steam condensate (SC) outlet, and bottom has lysate outlet.
2. according to claim 1 a kind of with coking desulfurization waste liquor salt extraction extraction filter residue be feedstock purification sodium thiosulfate device, it is characterized in that described accurate filter side wall upper part has accurate filter import, top has accurate filter outlet, and bottom has sewage draining exit, and inside has filter core.
3. according to claim 1 a kind of with coking desulfurization waste liquor salt extraction extraction filter residue be feedstock purification sodium thiosulfate device, it is characterised in that between described accurate filter and crystallizing evaporator also include dissolve Clear liquid tank.
4. according to claim 1-3 is arbitrary a kind of with coking desulfurization waste liquor salt extraction extraction filter residue be feedstock purification sodium thiosulfate device, it is characterised in that described crystallizing evaporator is Oslo evaporative crystallizer group.
5. according to claim 4 a kind of with coking desulfurization waste liquor salt extraction extraction filter residue be feedstock purification sodium thiosulfate device, it is characterized in that described Oslo evaporative crystallizer group includes separation chamber, educates brilliant room, the bottom of described separation chamber connects with the top educating brilliant room, and the described crystalline substance sidepiece of room of educating is communicated by circulation pipe with the sidepiece of separation chamber；It is provided with forced circulation pump and preheater on described circulation pipe pipeline, forced circulation pump and the pipeline educated between brilliant room are provided with Oslo evaporative crystallizer charging aperture；Having the outlet of Oslo evaporative crystallizer magma in the described bottom educating brilliant room, having indirect steam outlet at the top of described separation chamber, middle part and bottom are respectively provided with water at low temperature outlet and water at low temperature import.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180441.9U CN205616574U (en) | 2016-03-09 | 2016-03-09 | Use coking desulfurization waste liquid to carry device of salt extraction filter residue as raw materials purification sodium hyposulfite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180441.9U CN205616574U (en) | 2016-03-09 | 2016-03-09 | Use coking desulfurization waste liquid to carry device of salt extraction filter residue as raw materials purification sodium hyposulfite |
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| CN205616574U true CN205616574U (en) | 2016-10-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819406A (en) * | 2016-03-09 | 2016-08-03 | 北京富海天环保科技有限公司 | Apparatus and method for preparing sodium hyposulfite through purifying coking desulphurization waste liquid salt extraction filter residues used as raw material |
| CN109179453A (en) * | 2018-08-16 | 2019-01-11 | 天津大学 | A kind of Crystallization Separation method for coking desulfurization waste water salt extraction extraction filter residue |
-
2016
- 2016-03-09 CN CN201620180441.9U patent/CN205616574U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819406A (en) * | 2016-03-09 | 2016-08-03 | 北京富海天环保科技有限公司 | Apparatus and method for preparing sodium hyposulfite through purifying coking desulphurization waste liquid salt extraction filter residues used as raw material |
| CN109179453A (en) * | 2018-08-16 | 2019-01-11 | 天津大学 | A kind of Crystallization Separation method for coking desulfurization waste water salt extraction extraction filter residue |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201217 Address after: Room 223, block a, Beixinzhuang Road, Beixinzhuang Road, Sijiqing Town, Beixinzhuang village, Haidian District, Beijing 100093 Patentee after: Beijing new Bai Ao Technology Co.,Ltd. Address before: 902, 9 / F, 34 Zengguang Road, Haidian District, Beijing 100037 Patentee before: BEIJING FUHAITIAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| 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: 20161005 |