CN109279627B - Salt and nitrate solid separation process and chemical device - Google Patents
Salt and nitrate solid separation process and chemical device Download PDFInfo
- Publication number
- CN109279627B CN109279627B CN201811334093.6A CN201811334093A CN109279627B CN 109279627 B CN109279627 B CN 109279627B CN 201811334093 A CN201811334093 A CN 201811334093A CN 109279627 B CN109279627 B CN 109279627B
- Authority
- CN
- China
- Prior art keywords
- settler
- floating washer
- salt
- sprayer
- nitrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910002651 NO3 Inorganic materials 0.000 title claims abstract description 49
- 150000003839 salts Chemical class 0.000 title claims abstract description 43
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 239000007787 solid Substances 0.000 title claims abstract description 21
- 239000000126 substance Substances 0.000 title claims abstract description 19
- 238000007667 floating Methods 0.000 claims abstract description 54
- 239000012267 brine Substances 0.000 claims abstract description 31
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000005406 washing Methods 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 20
- 239000012452 mother liquor Substances 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 16
- 230000002349 favourable effect Effects 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 239000008187 granular material Substances 0.000 description 7
- -1 salt nitrate Chemical class 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- RLFBMFBORXBCQC-UHFFFAOYSA-N sodium sulfuric acid nitrate Chemical compound [Na+].[O-][N+]([O-])=O.OS(O)(=O)=O RLFBMFBORXBCQC-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention provides a salt and nitrate solid separation process and a chemical device, comprising a floating washer, a sprayer, a settler and a fresh brine pipeline, wherein a buffer mechanism is arranged at the upper part in the floating washer, the buffer mechanism is of an annular structure, and a central hole for the sprayer to pass through is arranged in the middle of the buffer mechanism; the liquid outlet of the floating washer is communicated with the liquid inlet of the settler. The invention creates the salt and nitrate solid separation process and the chemical device, and the buffer mechanism is arranged in the floating washer, which is favorable for fully washing salt slurry so as to facilitate the separation of salt and nitrate.
Description
Technical Field
The invention belongs to the field of process flows, and particularly relates to a salt and nitrate solid separation process and a chemical device.
Background
For the separation of mixed solution (nitrate brine) containing sodium chloride (salt) and sodium sulfate (nitrate) components, different treatment processes are generally adopted under different working conditions. There are generally the following: (1) Directly evaporating and crystallizing to obtain mixed salt of sodium chloride and sodium sulfate; (2) Firstly, freezing the mixed solution to obtain sodium sulfate decahydrate, separating out the solution of the sodium sulfate decahydrate, and evaporating to obtain sodium chloride; (3) Sodium sulfate is obtained by salt and nitrate co-production technology, namely high-temperature evaporation, sodium chloride is obtained by low-temperature evaporation, and the like, but the defects of complex process flow and high energy consumption exist.
Disclosure of Invention
Therefore, the process device provided by the invention adopts a method of countercurrent washing of mother liquor, and simultaneously obtains sodium sulfate products and sodium chloride products, thereby achieving the purpose of separating salt and nitrate solids, and having simple process and low energy consumption.
In order to solve the technical problems, the invention adopts the following technical scheme:
the salt and nitrate solid separation process and the chemical device comprise a floating washer, a sprayer, a settler, a fresh brine pipeline and a mother liquor washing pipeline, wherein a buffer mechanism is arranged at the upper part in the floating washer, the buffer mechanism is of an annular structure, and a central hole for the sprayer to pass through is formed in the middle of the buffer mechanism;
the buffer mechanism comprises two porous plates which are arranged in parallel, and a plurality of pall ring fillers which are arranged longitudinally and are tightly arranged between the two porous plates;
the liquid outlet of the floating washer is communicated with the liquid inlet of the settler;
the fresh brine pipeline is communicated with a fresh brine inlet of the settler, and two ends of the mother liquor elutriation pipeline are respectively communicated with a settler overflow port of the settler and a spray header of the sprayer.
Further, the middle part of the floating washer is provided with a floating washer liquid inlet, the upper part of the floating washer is provided with a floating washer overflow port, and the bottom of the floating washer is provided with a floating washer liquid outlet.
Further, the top of the settler is provided with a settler liquid inlet, the upper part of the settler is provided with a settler overflow port, the bottom of the settler is provided with a settler liquid outlet, and the lower part of the settler is provided with a fresh brine inlet.
Further, the sprayer comprises a sprayer main body, the sprayer main body is of a long cylindrical structure, the lower portion of the sprayer main body stretches into the floating washer and penetrates through a central hole of the buffer mechanism, a plurality of spray heads are longitudinally arranged on the inner side wall of the sprayer main body, and spray openings of the spray heads are arranged downwards.
Further, the bottom of the sprayer main body is provided with a plurality of spraying pipes which are longitudinally arranged in parallel, the free end parts of the spraying pipes are sealed, the spraying pipes are provided with a plurality of layers of spraying holes which are uniformly distributed in the circumferential direction, and the opening direction of the spraying holes is perpendicular to the side wall of the floating washer.
Further, the spray pipe extends into the lower part of the interior of the floating washer.
The invention has the advantages and positive effects that:
(1) According to the salt and nitrate solid separation process and the chemical device, the buffer mechanism is arranged in the floating washer, so that salt slurry can be fully washed, and the spray pipe is arranged at the lower part of the spray pipe main body, so that the salt slurry can be quickly washed in a countercurrent manner, and salt and nitrate can be separated conveniently;
(2) According to the salt-nitrate solid separation process and the chemical device, the used brine is almost insoluble in salt saturation, and the nitrate particles can be dissolved in the salt-nitrate unsaturation, so that the brine added into the flotation device can gradually dissolve and reduce the larger nitrate particles, and finally the larger nitrate particles are elutriated out of the system along with the brine;
(3) The salt and nitrate solid separation process and the chemical device provided by the invention can dissolve most of the nitrate particles in brine or float out as ascending brine gradually dissolves and becomes smaller when the salt and nitrate solid separation process and the chemical device are separated by adopting a countercurrent elutriation method.
Drawings
Fig. 1 is a process flow diagram of a salt-nitrate solid separation process and a chemical device according to an embodiment of the invention.
In the figure: 1-floating washer, 11-floating washer liquid inlet, 12-floating washer overflow outlet, 13-floating washer liquid outlet, 2-sprayer, 21-sprayer main body, 22-spray pipe, 23-spray header, 3-settler, 31-settler liquid inlet, 32-settler overflow outlet, 33-settler liquid outlet, 34-fresh brine inlet, 4-fresh brine pipeline, 5-buffer mechanism, 6-salt slurry pump and 7-elutriation mother liquor pipeline.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
In some embodiments, a salt and nitrate solid separation process and a chemical device are provided, wherein the salt and nitrate solid separation process and chemical device comprises a floating washer 1, a sprayer 2, a settler 3, a fresh brine pipeline 4 and a washing mother liquor pipeline 7, wherein a buffer mechanism 5 is arranged at the upper part in the floating washer 1, and comprises two porous plates which are arranged in parallel and a plurality of pall ring fillers which are arranged longitudinally and are closely arranged between the two porous plates; the buffer mechanism 5 is of an annular structure, and a central hole for the sprayer 2 to pass through is formed in the middle of the buffer mechanism 5.
The middle part of the floating washer 1 is provided with a floating washer liquid inlet 11, the upper part of the floating washer is provided with a floating washer overflow port 12, and the bottom of the floating washer is provided with a floating washer liquid outlet 13.
The sprayer 2 comprises a sprayer main body 21 and a spray pipe 22, wherein the sprayer main body 21 is of a long cylindrical structure, the lower part of the sprayer main body extends into the floating washer 1 and passes through a central hole of the buffer mechanism 5, a plurality of spray heads 23 are longitudinally arranged on the inner side wall of the sprayer main body 11, and spray openings of the spray heads 23 are downwards arranged; the bottom of the sprayer main body 11 is provided with a plurality of spraying pipes 22 which are longitudinally and parallelly arranged, the spraying pipes 22 extend into the inner lower part of the floating washer 1, the free end parts of the spraying pipes 22 are sealed, the spraying pipes 22 are provided with a plurality of layers of spraying holes uniformly distributed in the circumferential direction, and the opening direction of the spraying holes is perpendicular to the side wall of the floating washer.
The top of the settler 3 is provided with a settler liquid inlet 31, the upper part of the settler is provided with a settler overflow 32, the bottom of the settler is provided with a settler liquid outlet 33, and the lower part of the settler is provided with a fresh brine inlet 34.
The fresh brine line 4 communicates with a fresh brine inlet 34 of the settler 3.
One end of the elutriation mother liquor pipeline 7 is communicated with the overflow port 32 of the settler, and the other end of the elutriation mother liquor pipeline is communicated with the inlet of the spray pipe 22 of the sprayer 2.
The floating washer outlet 13 is communicated with the settler inlet 31.
The pall ring packing in the prior art is mainly used for gas-liquid and liquid-liquid mass transfer separation in equipment, in the embodiment, the characteristic of large flux of the pall ring packing is mainly utilized, a certain buffer effect is achieved on liquid entering an overflow port of a flotation washer, and the washing time of fresh brine and salt nitrate slurry can be properly prolonged, so that the fresh brine washes the salt nitrate slurry more fully; in addition, most salt particles can form deposition in the floating washer in the process of washing, but a small part of salt particles can overflow out of the system through an overflow port of the floating washer, so that the subsequent treatment of the nitrate-containing mother liquor is influenced, and the salt particles can be prevented from flowing out of the overflow port of the floating washer to a certain extent due to the specificity of the shape of the pall ring packing.
In some embodiments, a salt and nitrate solid separation process and a chemical device are provided, wherein the process device comprises the following steps of: when the device is operated, salt nitrate slurry enters the floating washer from a liquid inlet of the floating washer, washing mother liquor in a washing mother liquor pipeline enters the sprayer through a spray header and is sprayed out from a through hole on the side surface of the spray pipe, the washing mother liquor and the salt nitrate slurry are washed in countercurrent, the washed nitrate particles overflow out of the system along with the mother liquor from an overflow port of the floating washer through a buffer mechanism and are evaporated and crystallized to obtain a nitrate product, the salt particles are larger than the nitrate particles, the crude salt slurry can not pass through the buffer mechanism, and is deposited at the lower part in the floating washer, and enters a settler from a liquid inlet of a settler at the top through a salt slurry pump; the crude salt slurry entering the settler and fresh brine entering from the lower part are further subjected to countercurrent washing, the washed nitrate granules overflow out of the system along with mother liquor from an overflow port of the settler and enter a elutriation mother liquor pipeline to be used as elutriation mother liquor, and the salt slurry is discharged from a liquid outlet of the settler to be centrifugally dehydrated to obtain a salt product, so that the circulation is realized, and the purpose of separating salt and nitrate solids is achieved.
The elutriation mother liquor and fresh brine are respectively used as washing liquid of a floating washer and a settler, and salt nitrate slurry and crude salt slurry are respectively washed to fully dissolve nitrate granules in the salt nitrate slurry and crude salt slurry.
In some embodiments, a principle of a salt-nitrate solid separation process and a chemical device is provided as follows: because the brine used for elutriation is almost insoluble for salt saturation and can dissolve the nitrate granules for nitrate unsaturation, the brine added in the floating device can gradually dissolve and reduce the nitrate granules with larger granules, so that the nitrate granules are finally elutriated out of the system along with the brine, the granularity of the salt is generally between 0.1 and 0.85mm and the granularity of the nitrate is generally between 0.03 and 0.15mm according to the granularity of the salt, the salt and the nitrate are separated by adopting a countercurrent elutriation method according to the settling speed of the salt in the brine, and most of the nitrate granules can float out along with the rising brine when the rising flow speed of the brine in the floating device is between 3 and 6 mm/s.
The foregoing describes one embodiment of the invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the patent covered by this invention.
Claims (4)
1. The salt and nitrate solid separation process and the chemical device are characterized by comprising a floating washer (1), a sprayer (2), a settler (3), a fresh brine pipeline (4) and a washing mother liquor pipeline (7), wherein a buffer mechanism (5) is arranged at the upper part in the floating washer (1), the buffer mechanism (5) is of an annular structure, and a central hole for the sprayer (2) to pass through is formed in the middle of the buffer mechanism (5);
the buffer mechanism (5) comprises two porous plates which are arranged in parallel, and a plurality of pall ring fillers which are arranged longitudinally and are tightly arranged between the two porous plates;
the liquid outlet (13) of the floating washer is communicated with the liquid inlet (31) of the settler;
the fresh brine pipeline (4) is communicated with a fresh brine inlet (34) of the settler, and two ends of the mother liquor elutriation pipeline (7) are respectively communicated with a settler overflow port (32) of the settler and a spray header (23) of the sprayer;
the top of the settler (3) is provided with a settler liquid inlet (31), the upper part of the settler is provided with a settler overflow port (32), the bottom of the settler is provided with a settler liquid outlet (33), and the lower part of the settler is provided with a fresh brine inlet (34);
the sprayer (2) comprises a sprayer main body (21), the sprayer main body (21) is of a long cylindrical structure, the lower portion of the sprayer main body stretches into the floating washer (1) and penetrates through a central hole of the buffer mechanism (5), a plurality of spray heads (23) are longitudinally arranged on the inner side wall of the sprayer main body (11), and spray openings of the spray heads (23) are downwards arranged.
2. The salt and nitrate solid separation process and chemical device according to claim 1, wherein the middle part of the floating washer (1) is provided with a floating washer liquid inlet (11), the upper part of the floating washer is provided with a floating washer overflow port (12), and the bottom of the floating washer is provided with a floating washer liquid outlet (13).
3. The salt and nitrate solid separation process and chemical device according to claim 1, wherein the bottom of the sprayer main body (11) is provided with a plurality of spraying pipes (22) longitudinally arranged in parallel, the free ends of the spraying pipes (22) are sealed, the spraying pipes (22) are provided with a plurality of layers of spraying holes uniformly distributed in a circumferential direction, and the opening direction of the spraying holes is perpendicular to the side wall of the floating washer.
4. A process and a chemical plant for the separation of salt and nitrate solids according to claim 3, characterized in that the shower pipe (22) extends into the lower part of the flotation device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334093.6A CN109279627B (en) | 2018-11-09 | 2018-11-09 | Salt and nitrate solid separation process and chemical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334093.6A CN109279627B (en) | 2018-11-09 | 2018-11-09 | Salt and nitrate solid separation process and chemical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109279627A CN109279627A (en) | 2019-01-29 |
| CN109279627B true CN109279627B (en) | 2023-12-05 |
Family
ID=65175245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334093.6A Active CN109279627B (en) | 2018-11-09 | 2018-11-09 | Salt and nitrate solid separation process and chemical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109279627B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004359516A (en) * | 2003-06-06 | 2004-12-24 | Asahi Glass Co Ltd | Method of manufacturing alkali metal chloride and alkali metal hydroxide |
| CN101624194A (en) * | 2008-07-11 | 2010-01-13 | 中国轻工业长沙工程有限公司 | Production method for co-production of mirabilite and salt and production device thereof |
| CN102275953A (en) * | 2011-07-19 | 2011-12-14 | 湖北双环科技股份有限公司 | Method for producing caustic soda by purified brine |
| CN104591229A (en) * | 2014-12-13 | 2015-05-06 | 新疆硝石钾肥有限公司吐鲁番分公司 | Production process of temperature-controlled cyclic layer-by-layer sodium nitrate separation |
| CN106977032A (en) * | 2016-01-18 | 2017-07-25 | 同方环境股份有限公司 | A kind of band washs the strong brine Crystallization Separation device of leg |
| CN107572554A (en) * | 2017-09-26 | 2018-01-12 | 中盐金坛盐化有限责任公司 | A kind of clean energy-saving type produces salt producing craft |
| CN107662929A (en) * | 2017-10-18 | 2018-02-06 | 西安聚方环境科技有限公司 | Technique and system are eluriated in sodium chloride and sodium sulphate separation concentration in strong brine zero-emission |
| CN209161508U (en) * | 2018-11-09 | 2019-07-26 | 中盐枣阳盐化有限公司 | A kind of sal prunella solid separation process and chemical plant installations |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1764372T3 (en) * | 2005-09-20 | 2009-11-30 | Peter Jon Nelson | Tissue inhibitor of metalloproteinases (TIMP) bound to glycosylphosphatidylinositol (GPI) anchors for cancer treatment |
-
2018
- 2018-11-09 CN CN201811334093.6A patent/CN109279627B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004359516A (en) * | 2003-06-06 | 2004-12-24 | Asahi Glass Co Ltd | Method of manufacturing alkali metal chloride and alkali metal hydroxide |
| CN101624194A (en) * | 2008-07-11 | 2010-01-13 | 中国轻工业长沙工程有限公司 | Production method for co-production of mirabilite and salt and production device thereof |
| CN102275953A (en) * | 2011-07-19 | 2011-12-14 | 湖北双环科技股份有限公司 | Method for producing caustic soda by purified brine |
| CN104591229A (en) * | 2014-12-13 | 2015-05-06 | 新疆硝石钾肥有限公司吐鲁番分公司 | Production process of temperature-controlled cyclic layer-by-layer sodium nitrate separation |
| CN106977032A (en) * | 2016-01-18 | 2017-07-25 | 同方环境股份有限公司 | A kind of band washs the strong brine Crystallization Separation device of leg |
| CN107572554A (en) * | 2017-09-26 | 2018-01-12 | 中盐金坛盐化有限责任公司 | A kind of clean energy-saving type produces salt producing craft |
| CN107662929A (en) * | 2017-10-18 | 2018-02-06 | 西安聚方环境科技有限公司 | Technique and system are eluriated in sodium chloride and sodium sulphate separation concentration in strong brine zero-emission |
| CN209161508U (en) * | 2018-11-09 | 2019-07-26 | 中盐枣阳盐化有限公司 | A kind of sal prunella solid separation process and chemical plant installations |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109279627A (en) | 2019-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104609633B (en) | A kind of containing ammonia, the method and apparatus utilized containing sodium waste water resource | |
| CN107902822A (en) | The recovery and treatment method of the high-salt wastewater of sodium chloride-containing and sodium sulphate | |
| CN205549631U (en) | High enriched salt effluent treatment plant of coal industry | |
| CN103252158B (en) | Desulfurization system and desulfurization process thereof | |
| CN104692415B (en) | A kind of evaporative crystallisation process when producing potassium nitrate to ammonium chloride | |
| CN101898082A (en) | Device and method for depriving sulfur dioxide in flue gas by using ammonia water | |
| CN205472704U (en) | System for glauber's salt of production lithium hydroxide in -process carries out in succession freezing crystal separation | |
| CN209161508U (en) | A kind of sal prunella solid separation process and chemical plant installations | |
| CN216704381U (en) | Recovery system | |
| CN109293112A (en) | A kind of processing method of viscose rayon acid waste water resource utilization | |
| CN109279627B (en) | Salt and nitrate solid separation process and chemical device | |
| CN109200783A (en) | Process of desulfurization for boiler flue gas device and its process flow | |
| CN207891095U (en) | A kind of alkali device gives up the device that light liquid is recycled with ammonia-containing gas | |
| CN114162839A (en) | Device for preparing ammonium chloride by co-production of sodium bicarbonate | |
| CN207537298U (en) | Etching solution recycles the processing system of ammonium chloride | |
| CN203763892U (en) | Continuous crystallization device for iminodiacetonitrile | |
| CN105129890A (en) | Evaporating crystallizer | |
| CN1214272A (en) | Continuous stirring vacuum sodium sulfate crystallization technology | |
| CN201664576U (en) | Apparatus for removing sulfur dioxide in flue gas by ammonia water | |
| CN102974205A (en) | Intra-tower crystallized ammonia-process desulfurization tower | |
| CN205023891U (en) | Crystallizing evaporator | |
| CN213865800U (en) | High enriched brine evaporation crystallization device | |
| CN204865031U (en) | Evaporation crystallization device is imitated to high concentration ammonium sulfate solution no. 5 | |
| CN107324359B (en) | Alkali amine industrial salt production technology | |
| CN211246031U (en) | Hydrogen sulfide tail gas absorption system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |