CN114029096A - Continuous lead removing device - Google Patents
Continuous lead removing device Download PDFInfo
- Publication number
- CN114029096A CN114029096A CN202111310045.5A CN202111310045A CN114029096A CN 114029096 A CN114029096 A CN 114029096A CN 202111310045 A CN202111310045 A CN 202111310045A CN 114029096 A CN114029096 A CN 114029096A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- base
- barrel
- feed end
- fixedly connected
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008929 regeneration Effects 0.000 abstract description 7
- 238000011069 regeneration method Methods 0.000 abstract description 7
- 238000001179 sorption measurement Methods 0.000 abstract description 7
- 239000012492 regenerant Substances 0.000 abstract description 5
- 229910052759 nickel Inorganic materials 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009856 non-ferrous metallurgy Methods 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
- B01J47/022—Column or bed processes characterised by the construction of the column or container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/014—Ion-exchange processes in general; Apparatus therefor in which the adsorbent properties of the ion-exchanger are involved, e.g. recovery of proteins or other high-molecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
- B01J49/60—Cleaning or rinsing ion-exchange beds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
- C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a continuous lead removing device, which relates to the technical field of wet nonferrous metallurgy and solves the technical problem of low quality of an electrolytic nickel solution produced by the existing device, and comprises a base, wherein the top of the base is fixedly connected with a feed end cylinder, a water cap sieve plate distributor is arranged between the base and the feed end cylinder, the top of the feed end cylinder is fixedly connected with a lower cylinder, the top of the lower cylinder is fixedly connected with an upper cylinder, the top of the upper cylinder is fixedly connected with an upper end enclosure, the upper end enclosure is connected with eight outlet bent pipes through a flange, and the middle part of the upper end enclosure is provided with a resin inlet; the device can realize continuous and stable liquid feeding, has outstanding chemical balance performance and can realize automatic operation. The resin bed is filled deeply, so that the water cap sieve plate distributor has the advantages of obvious flow dividing effect, slow solution flow rate, uniform flow, good ion adsorption and filtration effect, high catholyte purity, high regeneration degree and low regenerant consumption due to the adoption of countercurrent regeneration.
Description
Technical Field
The invention relates to the field of wet-process nonferrous metallurgy, in particular to the technical field of a continuous lead removing device.
Background
In the nickel-cobalt hydrometallurgy industry, impurity elements in the solution are removed by utilizing the adsorption effect of anions and cations, the purity of the solution is improved, and the production of high-quality electrolytic nickel is an effective measure and is very wide in application. In the process of ion exchange impurity removal, a fixed exchange column is used mostly, however, the fixed exchange column is difficult to fill resin, manual operation is needed, and in addition, the performances in the aspects of liquid inlet, flow rate, bed depth and the like are weak.
The prior art is difficult to fill resin, needs manual operation, and has weak properties in the aspects of liquid inlet, flow velocity, bed depth and the like, so that the ion adsorption effect is poor, and the quality of the produced nickel is low, thereby providing a continuous lead removal device.
Disclosure of Invention
The invention aims to: in order to solve the technical problem, the invention provides a continuous lead removing device.
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a remove plumbous device in succession, includes the base, the top fixedly connected with feed end barrel of base, be provided with water cap sieve distributor between base and the feed end barrel, barrel under the top fixedly connected with of feed end barrel, barrel on the top fixedly connected with of lower barrel, the top fixedly connected with upper cover of going up the barrel, there are eight export return bends on the upper cover through flange connection, and the middle part of upper cover is provided with the resin import.
The observation mirror is arranged on the upper barrel, the liquid accumulating disc is arranged on the outer side of the upper barrel and is a circular ring-shaped flow groove, rubber is lined in the liquid accumulating disc, a material liquid outlet pipe is arranged at the bottom of the liquid accumulating disc, rubber is lined inside and outside the material liquid outlet pipe, and one end of the outlet bent pipe is inserted into the liquid accumulating disc.
And a filter screen is arranged at the joint of the flange and the outlet elbow.
The round steel cylinder body of the base is symmetrically provided with two oval inspection manholes.
The circular steel cone bottom barrel of feed end barrel, feed end barrel all adopt flange and base and lower barrel to be connected from top to bottom, and the inside of feed end barrel is provided with the feed liquor pipe, and the feed liquor pipe is TA2 material.
The sieve of water cap sieve distributor is TA2 material, and the water cap is the ABS material, and water cap evenly distributed has seted up resin export and reserve mouth on the sieve, the bottom of water cap sieve distributor.
The lower barrel and the upper barrel are both lined with wear-resistant and corrosion-resistant materials F4, and flanges are flanged.
The upper end enclosure is arc-shaped, and the upper end enclosure and the outlet elbow are both lined with wear-resistant and corrosion-resistant material F4.
The invention has the following beneficial effects:
the device can realize continuous and stable liquid feeding, has outstanding chemical balance performance and can realize automatic operation. Because the resin bed is filled deeply, the water cap sieve plate distributor has obvious flow dividing effect, slow solution flow rate, uniform flow, good ion adsorption and filtration effect, high catholyte purity, high regeneration degree and low regenerant consumption by adopting countercurrent regeneration.
Drawings
FIG. 1 is a schematic illustration of an explosive structure according to the present invention;
FIG. 2 is a schematic top view of the present invention;
reference numerals: 1-base, 2-feed end cylinder, 3-water cap sieve plate distributor, 4-lower cylinder, 5-upper cylinder, 6-upper end enclosure, 7-outlet elbow, 8-resin inlet, 9-liquid accumulation plate, 10-liquid outlet pipe, 11-observation mirror, 12-filter screen, 13-oval inspection manhole, 14-liquid inlet pipe, 15-resin outlet and 16-spare port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 2, the embodiment provides a continuous lead removing device, which includes a base 1, a feeding end cylinder 2 is fixedly connected to the top of the base 1, a water cap sieve plate distributor 3 is arranged between the base 1 and the feeding end cylinder 2, a lower cylinder 4 is fixedly connected to the top of the feeding end cylinder 2, an upper cylinder 5 is fixedly connected to the top of the lower cylinder 4, an upper head 6 is fixedly connected to the top of the upper cylinder 5, eight outlet bent pipes 7 are connected to the upper head 6 through flanges, a resin inlet 8 is arranged in the middle of the upper head 6, an observation mirror 11 is arranged on the upper cylinder 5, a liquid accumulation plate 9 is arranged on the outer side of the upper cylinder 5, the liquid accumulation plate 9 is a circular chute, the liquid accumulation plate 9 is lined with rubber, a material liquid outlet pipe 10 is arranged at the bottom of the liquid accumulation plate 9, rubber is lined inside and outside the material outlet pipe 10, one end of the outlet bent pipe 7 is inserted into the liquid accumulation plate 9, the filter screen 12 is installed with export return bend 7 junction to the flange, the circular steel barrel of base 1, the symmetry is provided with two oval inspection manholes 13 on the base 1, the circular steel of feed end barrel 2 bores the end barrel, and feed end barrel 2 all adopts flange and base 1 and lower barrel 4 to be connected from top to bottom, and the inside of feed end barrel 2 is provided with feed liquor pipe 14, and feed liquor pipe 14 is TA2 material, water cap sieve distributor 3's sieve is TA2 material, and the water cap is the ABS material, and water cap evenly distributed is on the sieve, and resin export 15 and reserve mouth 16 have been seted up to water cap sieve distributor 3's bottom, barrel 4 and last barrel 5 are the wear-resisting corrosion resistant material F4 of inside lining down, and flange department turn-ups, upper cover 6 is arc, and upper cover 6 and export return bend 7 are the wear-resisting corrosion resistant material F4 of inside lining.
The liquid before ion exchange is a lead-containing nickel chloride solution, the lead content is 2mg/l, the temperature is 40-45 ℃, the liquid is pumped into the liquid inlet pipe 14, and the liquid slowly and uniformly enters the feed end cylinder 2 through the water cap sieve plate distributor 3. The ion exchange lead and zinc removing device runs in a countercurrent way, the resin and ions in the solution are subjected to adsorption exchange, the lead content is less than 0.02mg/l, the resin which is processed in advance is blown into the cylinder body from a resin inlet 8 by compressed air, the solution is in a compact state and is subjected to ion exchange with the resin from bottom to top, then the solution enters the liquid collecting disc 9 through an outlet bent pipe 7 and flows out from a material liquid outlet 10 after converging, the regeneration and the washing of the resin are controlled by a PLC (programmable logic controller), a flowmeter and an automatic regulating valve are arranged at an opening of a liquid inlet pipe 14 to stably control the liquid inlet flow, a regenerant and a washing liquid enter the liquid inlet pipe 14 and run in a countercurrent way, the regenerant and the washing liquid flow out from the outlet bent pipe 7, the aged and crushed resin is discharged from a resin outlet 15, the solution runs in a countercurrent way through the ion exchange lead and zinc removing device, the resin groups are subjected to ion adsorption exchange with the solution, the lead content of the purified solution is less than 0.02mg/l, and the purity of the solution meets the requirement of producing high-quality electrolytic nickel, oval inspection manhole 13 makes things convenient for the staff to overhaul equipment, and the observation mirror 11 makes things convenient for the staff to observe resin volume and ion exchange operational aspect, and filter screen 12 can prevent that the resin from flowing out.
The device can realize continuous and stable liquid feeding, has outstanding chemical balance performance and can realize automatic operation. Because the resin bed is filled deeply, the water cap sieve plate distributor 3 has obvious shunting effect, slow solution flow velocity, uniform flow, good ion adsorption and filtration effect, high purity of catholyte, high regeneration degree and low consumption of regenerant due to the adoption of countercurrent regeneration.
Claims (8)
1. The utility model provides a remove plumbous device in succession, includes base (1), its characterized in that, top fixedly connected with feed end barrel (2) of base (1), be provided with water cap sieve distributor (3) between base (1) and feed end barrel (2), barrel (4) under the top fixedly connected with of feed end barrel (2), barrel (5) on the top fixedly connected with of lower barrel (4), top fixedly connected with upper cover (6) of last barrel (5), through flange joint with eight export return bends (7) on upper cover (6), the middle part of upper cover (6) is provided with resin import (8).
2. The continuous lead removing device according to claim 1, wherein the upper cylinder (5) is provided with an observation mirror (11), the outer side of the upper cylinder (5) is provided with a liquid accumulating disc (9), the liquid accumulating disc (9) is an annular flow groove, the liquid accumulating disc (9) is lined with rubber, the bottom of the liquid accumulating disc (9) is provided with a material liquid outlet pipe (10), the inner side and the outer side of the material liquid outlet pipe (10) are lined with rubber, and one end of the outlet elbow (7) is inserted into the liquid accumulating disc (9).
3. A continuous lead removal device according to claim 1, characterized in that the flange is provided with a filter screen (12) at the connection with the outlet elbow (7).
4. The continuous lead removing device according to claim 1, characterized in that the base (1) is a round steel cylinder, and two oval service manholes (13) are symmetrically arranged on the base (1).
5. The continuous lead removing device according to claim 1, characterized in that the feed end cylinder (2) is a cylinder with a round steel conical bottom, the upper part and the lower part of the feed end cylinder (2) are connected with the base (1) and the lower cylinder (4) through flanges, a liquid inlet pipe (14) is arranged inside the feed end cylinder (2), and the liquid inlet pipe (14) is made of TA2 material.
6. The continuous lead removing device as claimed in claim 1, wherein the sieve plate of the water cap sieve plate distributor (3) is TA2 material, the water cap is ABS material, the water caps are evenly distributed on the sieve plate, and the bottom of the water cap sieve plate distributor (3) is provided with the resin outlet (15) and the spare port (16).
7. The continuous lead removing device according to claim 1, characterized in that the lower cylinder (4) and the upper cylinder (5) are both lined with wear-resistant and corrosion-resistant material F4 and flanged at the flange.
8. The continuous lead removing device according to claim 1, characterized in that the upper head (6) is arc-shaped, and the upper head (6) and the outlet elbow (7) are both lined with wear-resistant and corrosion-resistant material F4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310045.5A CN114029096A (en) | 2021-11-05 | 2021-11-05 | Continuous lead removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111310045.5A CN114029096A (en) | 2021-11-05 | 2021-11-05 | Continuous lead removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114029096A true CN114029096A (en) | 2022-02-11 |
Family
ID=80136578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111310045.5A Pending CN114029096A (en) | 2021-11-05 | 2021-11-05 | Continuous lead removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114029096A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180676A (en) * | 2022-07-12 | 2022-10-14 | 安徽东至广信农化有限公司 | Calcium salt water purification device and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095645Y (en) * | 2007-07-09 | 2008-08-06 | 冯峰 | Adsorption tower for dense moving bed |
| CN101724750A (en) * | 2009-12-22 | 2010-06-09 | 杭州锦江集团有限公司 | Device for extracting gallium from sodium aluminate solution |
| CN205948918U (en) * | 2016-08-24 | 2017-02-15 | 武汉轻工大学 | Small -size opposition ion exchange column |
| CN206621829U (en) * | 2017-03-13 | 2017-11-10 | 西安纳瑞工控科技有限公司 | A kind of resin column |
| CN208661160U (en) * | 2018-03-30 | 2019-03-29 | 中国科学院过程工程研究所 | A kind of ion exchange column |
| CN211445154U (en) * | 2019-12-13 | 2020-09-08 | 东莞市久佳防腐设备有限公司 | Improved ion exchange column |
| CN211487716U (en) * | 2019-12-21 | 2020-09-15 | 山东省鲁洲食品集团有限公司 | Counter-current regeneration ion exchanger |
| CN211733904U (en) * | 2020-02-10 | 2020-10-23 | 苏州费斯特工业设备有限公司 | Resin adsorption tank for water treatment |
-
2021
- 2021-11-05 CN CN202111310045.5A patent/CN114029096A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201095645Y (en) * | 2007-07-09 | 2008-08-06 | 冯峰 | Adsorption tower for dense moving bed |
| CN101724750A (en) * | 2009-12-22 | 2010-06-09 | 杭州锦江集团有限公司 | Device for extracting gallium from sodium aluminate solution |
| CN205948918U (en) * | 2016-08-24 | 2017-02-15 | 武汉轻工大学 | Small -size opposition ion exchange column |
| CN206621829U (en) * | 2017-03-13 | 2017-11-10 | 西安纳瑞工控科技有限公司 | A kind of resin column |
| CN208661160U (en) * | 2018-03-30 | 2019-03-29 | 中国科学院过程工程研究所 | A kind of ion exchange column |
| CN211445154U (en) * | 2019-12-13 | 2020-09-08 | 东莞市久佳防腐设备有限公司 | Improved ion exchange column |
| CN211487716U (en) * | 2019-12-21 | 2020-09-15 | 山东省鲁洲食品集团有限公司 | Counter-current regeneration ion exchanger |
| CN211733904U (en) * | 2020-02-10 | 2020-10-23 | 苏州费斯特工业设备有限公司 | Resin adsorption tank for water treatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115180676A (en) * | 2022-07-12 | 2022-10-14 | 安徽东至广信农化有限公司 | Calcium salt water purification device and method |
| CN115180676B (en) * | 2022-07-12 | 2024-02-02 | 安徽东至广信农化有限公司 | Calcium salt water purification device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103103362B (en) | The reverse double-stage filtering method of aluminium water and filtration unit | |
| CN114029096A (en) | Continuous lead removing device | |
| CN204134283U (en) | A kind of high speed shallow media filter | |
| US3920544A (en) | Process and installation for the treatment of water and other liquids | |
| CN107934990A (en) | A kind of production technology and device using well mine salt production ion film caustic soda | |
| CN102020291B (en) | Crystallization apparatus of sulfur ammonium | |
| US4078040A (en) | Method of employing elemental zinc for the purification of aqueous solutions of metallic salts | |
| CN111116548A (en) | Inferior sulfolane regeneration equipment, system and method | |
| CN115478175A (en) | Pressurized kettle discharge equipment and method thereof | |
| CN203075728U (en) | Inverse dual-stage aluminum liquid filtering device | |
| CN105217576B (en) | Filtration washing control method in hydrogen fluoride preparation technology | |
| CN209348221U (en) | A kind of accurate filter | |
| CN204601817U (en) | Suspension treatment facility in a kind of waste water | |
| CN209662680U (en) | Equipment for separating liquid from solid | |
| CN208302795U (en) | A kind of flat bed as ion-exchange unit | |
| CN207641446U (en) | A kind of synthetic system | |
| CN208586151U (en) | A kind of medium-sized top dress valve head countercurrent regenerating ion exchanger water-distributing device | |
| CN110772833A (en) | Spiral efficient sulfur extraction device and extraction method thereof | |
| CN208840453U (en) | A kind of rivet nut casting mould | |
| CN207227046U (en) | Ammonia still and ammonia steaming system | |
| CN206814415U (en) | A kind of coal water purification installation | |
| CN213012381U (en) | Resin tower for high-efficiency chlor-alkali workshop | |
| CN109260804A (en) | A kind of accurate filter | |
| CN209123921U (en) | A kind of discharging device adding hydrogen kettle for Raney's nickel | |
| CN111116547B (en) | Inferior sulfolane regeneration device, system and method |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220211 |