CN110280067A - A method of improving soda ash product quality - Google Patents
A method of improving soda ash product quality Download PDFInfo
- Publication number
- CN110280067A CN110280067A CN201910555163.9A CN201910555163A CN110280067A CN 110280067 A CN110280067 A CN 110280067A CN 201910555163 A CN201910555163 A CN 201910555163A CN 110280067 A CN110280067 A CN 110280067A
- Authority
- CN
- China
- Prior art keywords
- water
- miscellaneous
- mother liquor
- pressure type
- product quality
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title claims abstract description 17
- 229910000029 sodium carbonate Inorganic materials 0.000 title claims abstract description 8
- 235000017550 sodium carbonate Nutrition 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000012452 mother liquor Substances 0.000 claims abstract description 29
- 239000003513 alkali Substances 0.000 claims abstract description 15
- 150000003839 salts Chemical class 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000004922 lacquer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000002351 wastewater Substances 0.000 abstract description 5
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009469 supplementation Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 11
- 238000001914 filtration Methods 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000001354 calcination Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses it is a kind of improve soda ash product quality method, specifically by all kinds of miscellaneous water by no pressure type filter device be filtered removing without insoluble matter impurity after, be re-fed into alkaline system carry out using；The no pressure type filter device includes a filter screen and secondary filter net.The present invention is by the various miscellaneous water such as the ground ditch-water, the initial rainwater that generate in production, it first recycles into corresponding miscellaneous bucket, disposing mother liquor tank, mother vat with high salt, when production requires supplementation with water, the miscellaneous water in this part is sent into connection alkali liquor system, it can solve the problems, such as that connection alkali production waste water and initial rainwater forbid outlet, be arranged above the mother liquors storage tanks such as disposing mother liquor tank, miscellaneous bucket, I barrel of M, II barrel of A without pressure type filter device, can solve in miscellaneous water containing insoluble matter, mother liquor is polluted, product quality problem is influenced.
Description
Technical field
The invention belongs to soda manufacture technical fields, and in particular to a method of improve soda ash product quality.
Background technique
The waste water and rainwater that old-fashioned united alkali-making factory production generates, because of the mother liquor equilibrium problem of connection alkali production, often through rain
Water pipeline or underground hidden pipe are directly outer to be drained into river or in the sea, because its ammonia-nitrogen content is higher, pollutes environment.To respond national ring
Guaranteed request and water-saving plan, united alkali-making factory actively take rain sewage diversion and rainwater reuse measure, and the rainwater being collected into and production is useless
Water recycling enters system reuse as supplement water.Lead to mother liquor into after mother liquor because containing various insoluble matter impurity in recycle-water
Pollution seriously affects product quality and client uses so that it is bigger than normal to make to will appear in product the insoluble matters index such as black impurity.
Summary of the invention
The purpose of the present invention is in view of the above shortcomings of the prior art, providing a kind of method for improving soda ash product quality,
This method not only can effectively recycle miscellaneous water, and the insoluble matter in mother liquor and recovery system can be filtered, thus only
Change mother liquor, finally improves product quality.
A method of soda ash product quality is improved, is that all kinds of miscellaneous water are filtered removing by no pressure type filter device
After insoluble matter impurity, be re-fed into alkaline system carry out using.
Further, the no pressure type filter device includes a filter screen and secondary filter net.
Further, the primary filter screen is suitble to join the stainless steel mesh of alkali liquor using 1.2*1.2mm, solid by circle
Determine ring positioning.
Further, the secondary filter net is suitble to join the stainless steel mesh of alkali liquor with 1.0*1.0mm, solid by circle
Determine ring positioning.
Further, the miscellaneous water includes carbon filter, calcines, the ground ditch-water of compression section, is crystallized, the trench of dry ammonium process
Water, weight lacquer putty ditch-water, extra mother liquor with high salt and recycling rainwater.
The present invention first recycles the various miscellaneous water such as the ground ditch-water, the initial rainwater that generate in production into corresponding miscellaneous bucket, mother
The miscellaneous water in this part is sent into connection alkali liquor system, can solve to join by liquid recycling can, mother vat with high salt when production requires supplementation with water
The problem of alkali production waste water and initial rainwater forbid outlet, on the mother liquors storage tanks such as disposing mother liquor tank, miscellaneous bucket, I barrel of M, II barrel of A
Side is arranged without pressure type filter device, can solve to pollute mother liquor containing insoluble matter in miscellaneous water, influence product quality problem.
The utility model has the advantages that
1, the content that can effectively control insoluble matter in mother liquor and recovery system improves the cleanliness of mother liquor, reduces soda ash, chlorination
Impurity in ammonium product improves product quality.
2, this filter device has filtration yield big, and filter effect is good, small in size, and sieve replacement is simple, may be reused,
The advantages that cheap.
3, it is practiced by being filtered to disposing mother liquor with high salt, every cube of miscellaneous water may filter that about 10g insoluble matter.
Detailed description of the invention
Fig. 1 is process flow chart used by embodiment 1；
Fig. 2 is filter apparatus configuration schematic diagram employed in embodiment 1.
Specific embodiment
Technical solution of the present invention is described further combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, the present invention is the various miscellaneous water such as ground ditch-water, the initial rainwater that will be generated in production, first recycle into corresponding
The miscellaneous water in this part is sent into connection alkali liquor system when production requires supplementation with water by miscellaneous bucket, disposing mother liquor tank, mother vat with high salt,
It can solve the problems, such as that connection alkali production waste water and initial rainwater forbid outlet, in mothers such as disposing mother liquor tank, miscellaneous bucket, I barrel of M, II barrel of A
It is arranged above liquid storage tank without pressure type filter device, can solves to pollute mother liquor containing insoluble matter in miscellaneous water, influence product quality problem.
As shown in Fig. 2, the no pressure type filter device includes a filter screen and secondary filter net.Primary filter screen uses
1.2*1.2mm is suitble to join the stainless steel mesh of alkali liquor, is positioned by circular retainer ring；Secondary filter net is suitable with 1.0*1.0mm
The stainless steel mesh for closing connection alkali liquor, is positioned by circular retainer ring.
Carbon filter, calcining, the ground ditch-water of compression section and recycling rainwater are sent into miscellaneous bucket, crystallization, dry ammonium process ground ditch-water
It is sent into disposing mother liquor tank with recycling rainwater, weight lacquer putty ditch-water is sent into mother vat with high salt, and extra mother liquor with high salt is sent into Crystallization Procedure A
II barrel, all kinds of miscellaneous water are delivered to the overbottom pressure of mother liquor storage tank using pump, all kinds of miscellaneous water first pass through filtering dress by this filter device
The filter screen set once is filtered, and the filtering of larger particles insoluble matter is completed.Primary filtered miscellaneous water reaches secondary
Filter screen carries out secondary filter.Complete the filtering of smaller insoluble matter.Primary filter screen is suitble to join alkali liquor not using 1.2*1.2mm
Become rusty steel sieve, is positioned by circular retainer ring, is set to the angle of suitable mother liquor filtering.Secondary filter net is suitable with 1.0*1.0mm
The stainless steel mesh for closing connection alkali liquor is filtered by circular retainer ring position assurance without dead angle, to make into mother liquor system
Miscellaneous water can periodically quickly clean filter screen without insoluble matter impurity, guarantee that filter normal circulation uses.
Specifically:
By carbon filter, calcining, weight ash, Crystallization Procedure ditch-water recycle into corresponding storage tank, to prevent producing contaminated wastewater Storm Sewer Network.
The initial rainwater of carbon filter, calcining, weight ash, crystallization, dry ammonium process is recycled into corresponding storage tank, with the exceeded row of rainwater-proof ammonia nitrogen
It puts.Increase filter on miscellaneous bucket, I barrel of M, disposing mother liquor tank, the storage tanks such as II barrel of ammonia, prevents miscellaneous water pollution mother liquor, influence to produce
Quality.
Present design is tested in mother liquor system with high salt.Mother liquor with high salt is sent by filter to AII barrels of (warps
Test-filtration works well).Mother liquor the systematic stock solution purification with high salt, impurity significantly reduce, and ensure that system stability.Every cube of height
Salt mother liquor may filter that about 10g insoluble matter.
Claims (5)
1. a kind of method for improving soda ash product quality, it is characterised in that: carry out all kinds of miscellaneous water by no pressure type filter device
After being filtered to remove no insoluble matter impurity, be re-fed into alkaline system carry out using.
2. according to the method described in claim 1, it is characterized by: the no pressure type filter device includes a filter screen and two
Secondary filter screen.
3. according to the method described in claim 2, it is characterized by: the primary filter screen is suitble to join alkali mother using 1.2*1.2mm
The stainless steel mesh of liquid, is positioned by circular retainer ring.
4. according to the method described in claim 2, it is characterized by: the secondary filter net is suitble to join alkali mother with 1.0*1.0mm
The stainless steel mesh of liquid, is positioned by circular retainer ring.
5. according to the method described in claim 1, it is characterized by: the miscellaneous water includes carbon filter, calcines, the trench of compression section
Water crystallizes, the ground ditch-water of dry ammonium process, weight lacquer putty ditch-water, extra mother liquor with high salt and recycling rainwater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555163.9A CN110280067B (en) | 2019-06-25 | 2019-06-25 | Method for improving quality of soda ash product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555163.9A CN110280067B (en) | 2019-06-25 | 2019-06-25 | Method for improving quality of soda ash product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280067A true CN110280067A (en) | 2019-09-27 |
| CN110280067B CN110280067B (en) | 2020-11-06 |
Family
ID=68005565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555163.9A Active CN110280067B (en) | 2019-06-25 | 2019-06-25 | Method for improving quality of soda ash product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280067B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962248A1 (en) * | 1998-06-02 | 1999-12-08 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Abatement system for CIF3 containing exhaust gases. |
| AT504715B1 (en) * | 2004-07-16 | 2010-07-15 | Andritz Ag Maschf | METHOD FOR RESOLVING MELIUS-SUBSTANTIAL PAPER |
| CN102701238A (en) * | 2012-05-09 | 2012-10-03 | 大化集团有限责任公司 | Liquid feeding device and process of associated alkali mother liquor II |
| CN202687995U (en) * | 2012-05-09 | 2013-01-23 | 大化集团有限责任公司 | Combined soda mother liquor II feeding device |
| CN204469333U (en) * | 2015-02-02 | 2015-07-15 | 北京聚丽威科技有限公司 | A kind of novel water tank based on waste water circulation structure |
| CN204752479U (en) * | 2015-06-12 | 2015-11-11 | 河南金大地化工有限责任公司 | A waste water recycle system for in alkali production |
| CN206126866U (en) * | 2016-10-19 | 2017-04-26 | 中盐昆山有限公司 | Novel environmental protection circulation process system of soda and sociation center |
-
2019
- 2019-06-25 CN CN201910555163.9A patent/CN110280067B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962248A1 (en) * | 1998-06-02 | 1999-12-08 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Abatement system for CIF3 containing exhaust gases. |
| AT504715B1 (en) * | 2004-07-16 | 2010-07-15 | Andritz Ag Maschf | METHOD FOR RESOLVING MELIUS-SUBSTANTIAL PAPER |
| CN102701238A (en) * | 2012-05-09 | 2012-10-03 | 大化集团有限责任公司 | Liquid feeding device and process of associated alkali mother liquor II |
| CN202687995U (en) * | 2012-05-09 | 2013-01-23 | 大化集团有限责任公司 | Combined soda mother liquor II feeding device |
| CN204469333U (en) * | 2015-02-02 | 2015-07-15 | 北京聚丽威科技有限公司 | A kind of novel water tank based on waste water circulation structure |
| CN204752479U (en) * | 2015-06-12 | 2015-11-11 | 河南金大地化工有限责任公司 | A waste water recycle system for in alkali production |
| CN206126866U (en) * | 2016-10-19 | 2017-04-26 | 中盐昆山有限公司 | Novel environmental protection circulation process system of soda and sociation center |
Non-Patent Citations (5)
| Title |
|---|
| 中国环境保护产业协会: "《中国环境保护产业技术装备水平评价》", 30 September 2000 * |
| 屈宪章: "中盐昆山迁建工程联碱项目建设及开车情况概述", 《纯碱工业》 * |
| 徐永维: "做好联碱水( 母液) 平衡，实现生产废水零排放", 《纯碱工业》 * |
| 徐永维: "做好联碱水(母液) 平衡，实现生产废水零排放", 《纯碱工业》 * |
| 贾成祥: "《农产品加工机械使用与维修》", 29 February 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110280067B (en) | 2020-11-06 |
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