CN111346416A - Slurry purifying and water collecting system and method based on filter cloth dehydrator - Google Patents
Slurry purifying and water collecting system and method based on filter cloth dehydrator Download PDFInfo
- Publication number
- CN111346416A CN111346416A CN202010286622.0A CN202010286622A CN111346416A CN 111346416 A CN111346416 A CN 111346416A CN 202010286622 A CN202010286622 A CN 202010286622A CN 111346416 A CN111346416 A CN 111346416A
- Authority
- CN
- China
- Prior art keywords
- gypsum
- filter cloth
- water
- filtrate
- spray head
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000004744 fabric Substances 0.000 title claims abstract description 92
- 239000002002 slurry Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 131
- 239000010440 gypsum Substances 0.000 claims abstract description 131
- 239000000706 filtrate Substances 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 37
- 230000018044 dehydration Effects 0.000 claims abstract description 33
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 33
- 238000011010 flushing procedure Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000006477 desulfuration reaction Methods 0.000 description 5
- 230000023556 desulfurization Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B11/00—Calcium sulfate cements
- C04B11/02—Methods and apparatus for dehydrating gypsum
Abstract
The invention discloses a slurry purifying and water collecting system and method based on a filter cloth dehydrator, wherein the filter cloth dehydrator comprises a filter cloth and two belt rotating shafts, the filter cloth is of an annular structure, the filter cloth bypasses the two belt rotating shafts, a gypsum dehydration area, a filtrate dehydration area and a gypsum flushing area are divided between the two belt rotating shafts, the gypsum dehydration area, the filtrate dehydration area and the gypsum flushing area are sequentially distributed along the movement direction of the filter cloth above, a vacuum box is positioned between the two belt rotating shafts, the filter cloth surrounds the vacuum box, the top opening of the vacuum box is contacted with the bottom of the upper half part of the filter cloth, a gypsum water spray head is arranged in the gypsum dehydration area, a filtrate spray head is arranged in the filtrate dehydration area, and a flushing spray head is arranged in the gypsum flushing area, the system and the method can meet the normal gypsum removing effect, the solid-liquid separation of the filtrate water and the low-density slurry is realized.
Description
Technical Field
The invention belongs to the technical field of energy conservation and environmental protection, and relates to a slurry purifying and water collecting system and method based on a filter cloth dehydrator.
Background
In the wet desulphurization process of the thermal power plant under the low-load working condition of the unit, the problem of poor water balance of a unit desulphurization system can occur, namely the water substitution amount of the system is larger than the evaporation amount of the system, so that the normal washing of a demister is influenced, and the long-term operation can cause the scaling, even blockage and collapse of the demister and influence the operation safety of the unit; in addition, the desulfurization system may cause the slurry of the absorption tower to deteriorate due to poor water quality of supplemented water or long-term abnormal operation and other factors, a large amount of slurry needing replacement or waste is generated, and the deteriorated slurry has more impurities, cannot be recycled and has high treatment difficulty, so that great treatment difficulty is brought to power production.
The solid-liquid separation equipment of the existing vacuum belt dehydrator is mainly used for dehydrating large-particle gypsum, the applicability of the device to low-density gypsum slurry is poor, the blockage is easy to occur, the filtering precision is low, and the device cannot be suitable for extracting clear water in filtrate water, deteriorated slurry or low-density gypsum slurry.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a slurry purifying and water collecting system and method based on a filter cloth dehydrator, which can realize solid-liquid separation of filtrate water and low-density slurry while meeting the normal gypsum removal effect.
In order to achieve the aim, the slurry purifying and water collecting system based on the filter cloth dehydrator comprises the filter cloth dehydrator, a vacuum box, a gypsum cyclone, a filtrate buffer box and a flushing water tank;
the filter cloth dehydrator comprises a filter cloth and two belt rotating shafts, the filter cloth is of an annular structure, wherein the filter cloth bypasses the two belt rotating shafts, a gypsum dehydration area is divided between the two belt rotating shafts, a filtrate dehydration area and a gypsum washing area are arranged, the gypsum dehydration area, the filtrate dehydration area and the gypsum washing area are sequentially distributed along the motion direction of the filter cloth above, a vacuum box is positioned between the two belt rotating shafts, the filter cloth surrounds the periphery of the vacuum box, the top opening of the vacuum box is contacted with the bottom of the upper half part of the filter cloth, a gypsum water spray head is arranged in the gypsum dehydration area, a filtrate spray head is arranged in the filtrate dehydration area, a flushing spray head is arranged in the gypsum washing area, the gypsum water spray head, the filtrate spray head and the flushing spray head are positioned above the filter cloth, a gypsum cyclone is communicated with the inlet of the gypsum water spray head, the outlet of the filtrate buffer tank is communicated with the inlet of, the outlet of the flushing water tank is communicated with the inlet of the flushing water spray head.
The gypsum collecting device further comprises a gypsum storehouse for collecting gypsum on the filter cloth, wherein the gypsum storehouse is positioned below the filter cloth dehydrator.
The vacuum pump is characterized by further comprising a vacuum pump, a steam-water separator and a recycling water tank, wherein an inlet of the steam-water separator is communicated with an outlet at the bottom of the vacuum tank, a liquid outlet of the steam-water separator is communicated with the recycling water tank, and a gas outlet of the steam-water separator is communicated with an inlet of the vacuum pump.
The invention discloses a slurry purifying and water collecting method based on a filter cloth dehydrator, which comprises the following steps of:
gypsum water output by the gypsum cyclone is sprayed onto the filter cloth through a gypsum water spray nozzle, under the suction action of the vacuum box, water in the gypsum water enters the vacuum box after being filtered by the filter cloth in the gypsum dehydration area, gypsum in the gypsum water is attached to the filter cloth, so that a porous gypsum layer is formed on the filter cloth, the gypsum layer enters a filtrate dehydration area along with the filter cloth under the drive of a belt rotating shaft, filtrate output by a filtrate buffer box is sprayed onto the gypsum layer through a filtrate spray nozzle, then under the suction action of the vacuum box, the filtrate is sequentially filtered by the gypsum layer and the filter cloth and then enters the vacuum box, meanwhile, most of particles in the filtrate are attached to the surface of the gypsum layer or the gypsum layer, and the rest particles are attached to the surface of the filter cloth, so that solid-liquid separation of the filtrate is realized;
the gypsum layer follows the filter cloth and enters into gypsum flushing area in, and the sparge water of wash water tank output sprays on the gypsum layer through the sparge water shower nozzle simultaneously to reduce the chloride ion concentration in the gypsum, wherein, partial shower water enters into the vacuum chamber under the suction of vacuum chamber in, and remaining shower water and gypsum layer follow the filter cloth and continue to advance, peel off when the filter cloth turns downwards and drop into in the gypsum storehouse under the action of gravity.
The travel distance of the gypsum slurry in the gypsum dewatering zone is 4m-6 m.
The gypsum layer travels a distance of 6m-8m in the filtrate dewatering zone.
The invention has the following beneficial effects:
the invention relates to a slurry purification water collection system and method based on a filter cloth dehydrator, which are characterized in that when the system and method are operated specifically, gypsum water is sprayed on a filter cloth, a porous gypsum layer is formed on the filter cloth under the suction effect of a vacuum box, filtrate is sprayed on the gypsum layer, the filtrate is subjected to primary filtration through the gypsum layer under the suction effect of the vacuum box, and then the filtrate is subjected to secondary filtration through filter cloth, so that the solid-liquid separation of the filtrate water and low-density slurry is realized, the solid-liquid separation of the filtrate water and the low-density slurry is realized while the normal gypsum removal effect is met. The deep treatment significance of the invention is that the solid content in the filtrate water can be reduced to the range of the process water requirement through the double filtration of the gypsum layer and the filter cloth, the washing of a demister or the replacement of process water pulping is met, and the aim of optimizing the water balance of a desulfurization system is achieved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Wherein, 1 is a gypsum cyclone, 2 is a filtrate buffer tank, 3 is a flushing water tank, 4 is a vacuum tank, 5 is a belt rotating shaft, 6 is a vacuum pump, 7 is a steam-water separator, 8 is a gypsum warehouse, 9 is a filter cloth dehydrator, 10 is a gypsum dehydration area, 11 is a filtrate dehydration area, 12 is a gypsum flushing area, and 13 is a recycling water tank.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the slurry purifying and water collecting system based on the filter cloth dehydrator of the present invention comprises a filter cloth dehydrator 9, a vacuum box 4, a gypsum cyclone 1, a filtrate buffer tank 2, and a flushing water tank 3; the filter cloth dehydrator 9 comprises filter cloth and two belt rotating shafts 5, the filter cloth is of an annular structure, wherein the filter cloth bypasses the two belt rotating shafts 5, the two belt rotating shafts 5 are divided into a gypsum dehydration region 10, a filter liquid dehydration region 11 and a gypsum washing region 12, the gypsum dehydration region 10, the filter liquid dehydration region 11 and the gypsum washing region 12 are sequentially distributed along the motion direction of the filter cloth above, a vacuum box 4 is positioned between the two belt rotating shafts 5, the filter cloth surrounds the vacuum box 4, the top opening of the vacuum box 4 is contacted with the bottom of the upper half part of the filter cloth, a gypsum water spray head is arranged in the gypsum dehydration region 10, a filter liquid spray head is arranged in the filter liquid dehydration region 11, a washing spray head is arranged in the gypsum washing region 12, wherein the gypsum water spray head, the filter liquid spray head and the washing spray head are both positioned above the filter cloth, a gypsum cyclone 1 is arranged at the inlet of the gypsum spray head, the outlet of the filtering liquid buffer tank 2 is communicated with the inlet of the filtering liquid spray head, and the outlet of the flushing water tank 3 is communicated with the inlet of the flushing water spray head.
The invention also comprises a vacuum pump 6, a steam-water separator 7, a reuse water tank 13 and a gypsum storehouse 8 for collecting gypsum on the filter cloth, wherein the gypsum storehouse 8 is positioned below the filter cloth dehydrator 9; an inlet of the steam-water separator 7 is communicated with an outlet at the bottom of the vacuum box 4, a liquid outlet of the steam-water separator 7 is communicated with a reuse water tank 13, and a gas outlet of the steam-water separator 7 is communicated with an inlet of the vacuum pump 6.
The invention discloses a slurry purifying and water collecting method based on a filter cloth dehydrator, which comprises the following steps of:
gypsum water output by the gypsum cyclone 1 is sprayed onto the filter cloth through a gypsum water spray nozzle, under the suction action of the vacuum box 4, water in the gypsum water enters the vacuum box 4 after being filtered by the filter cloth in the gypsum dehydration area 10, gypsum in the gypsum water is attached to the filter cloth, so that a porous gypsum layer is formed on the filter cloth, the gypsum layer enters the filtrate dehydration area 11 along with the filter cloth under the drive of the belt rotating shaft 5, filtrate output by the filtrate buffer box 2 is sprayed onto the gypsum layer through the filtrate spray nozzle, then under the suction action of the vacuum box 4, the filtrate enters the vacuum box 4 after being sequentially filtered by the gypsum layer and the filter cloth, meanwhile, most of the filtrate is attached to the surface of the gypsum layer or the gypsum layer, and the rest particles are attached to the surface of the filter cloth, so as to realize solid-liquid separation of the filtrate; wherein the travel distance of the gypsum slurry in the gypsum dewatering area 10 is 4m-6 m; the advancing distance of the gypsum layer in the filtrate dewatering area is 6-8 m;
the gypsum layer follows the filter cloth and enters the gypsum flushing area 12, and simultaneously flushing water output by the flushing water tank 3 is sprayed onto the gypsum layer through the flushing water spray head so as to reduce the concentration of chloride ions in the gypsum, wherein part of the spraying water enters the vacuum tank 4 under the suction action of the vacuum tank 4, and the rest spraying water and the gypsum layer continue to advance along with the filter cloth, and are peeled off when the filter cloth turns downwards and fall into the gypsum warehouse 8 under the action of gravity.
Water in the vacuum box 4 enters into the steam-water separator 7 under the effect of vacuum pump 6 and carries out gas-liquid separation, wherein the liquid of separating enters into retrieval and utilization water tank 13, the gas of separating enters into vacuum pump 6, water in the retrieval and utilization water tank 13 is through physical treatment, guarantee to filter recovery liquid solid content and be within 0.1%, satisfy process water substitution etc. can satisfy the moisturizing of desulfurization system, realize the running mode of more economizing on water when guaranteeing desulfurization system's water balance, it has important meaning to desulfurization system's safe and stable operation.
Claims (6)
1. A slurry purification water collection system based on a filter cloth dehydrator is characterized by comprising a filter cloth dehydrator (9), a vacuum box (4), a gypsum cyclone (1), a filtrate buffer box (2) and a flushing water tank (3);
the filter cloth dehydrator (9) comprises a filter cloth and two belt rotating shafts (5), the filter cloth is of an annular structure, wherein the filter cloth bypasses the two belt rotating shafts (5), a gypsum dehydration region (10), a filter liquid dehydration region (11) and a gypsum washing region (12) are divided between the two belt rotating shafts (5), the gypsum dehydration region (10), the filter liquid dehydration region (11) and the gypsum washing region (12) are sequentially distributed along the motion direction of the filter cloth above, the vacuum box (4) is positioned between the two belt rotating shafts (5), the filter cloth surrounds the vacuum box (4), a top opening of the vacuum box (4) is in contact with the bottom of the upper half part in the filter cloth, gypsum water spray nozzles are arranged in the gypsum dehydration region (10), filter liquid spray nozzles are arranged in the filter liquid dehydration region (11), and washing spray nozzles are arranged in the gypsum washing region (12), the gypsum water spray head, the filtrate spray head and the flushing spray head are all located above the filter cloth, the gypsum cyclone (1) is communicated with the inlet of the gypsum water spray head, the outlet of the filtrate buffer tank (2) is communicated with the inlet of the filtrate spray head, and the outlet of the flushing water tank (3) is communicated with the inlet of the flushing water spray head.
2. The slurry purifying and water collecting system based on the filter cloth dehydrator according to claim 1, further comprising a gypsum bank (8) for collecting gypsum on the filter cloth, wherein the gypsum bank (8) is located below the filter cloth dehydrator (9).
3. The slurry purifying and water collecting system based on the filter cloth dehydrator according to claim 2, further comprising a vacuum pump (6), a steam-water separator (7) and a recycling water tank (13), wherein an inlet of the steam-water separator (7) is communicated with an outlet at the bottom of the vacuum tank (4), a liquid outlet of the steam-water separator (7) is communicated with the recycling water tank (13), and a gas outlet of the steam-water separator (7) is communicated with an inlet of the vacuum pump (6).
4. A method for purifying and collecting slurry based on a filter cloth dehydrator, which is characterized in that the slurry purifying and collecting system based on the filter cloth dehydrator of claim 1 comprises the following steps:
the gypsum water output by the gypsum cyclone (1) is sprayed on the filter cloth through a gypsum water spray head and is in the gypsum dehydration area (10), under the suction action of the vacuum box (4), water in the gypsum water enters the vacuum box (4) after being filtered by the filter cloth, the gypsum in the gypsum water is attached to the filter cloth, thereby forming a porous gypsum layer on the filter cloth, the gypsum layer enters the filtering liquid dehydration area (11) along with the filter cloth under the drive of the belt rotating shaft (5), the filtrate output by the filtrate buffer tank (2) is sprayed on the gypsum layer through a filtrate nozzle, then, under the suction action of the vacuum box (4), the filtrate enters the vacuum box (4) after being sequentially filtered by the gypsum layer and the filter cloth, meanwhile, most of the particles in the filtrate are attached to the surface of the gypsum layer or the gypsum layer, and the rest particles are attached to the surface of the filter cloth, so that the solid-liquid separation of the filtrate is realized;
the gypsum layer follows the filter cloth and enters a gypsum flushing area (12), meanwhile flushing water output by the flushing water tank (3) is sprayed onto the gypsum layer through a flushing water spray head so as to reduce the concentration of chloride ions in gypsum, wherein part of spraying water enters the vacuum tank (4) under the suction action of the vacuum tank (4), and the rest spraying water and the gypsum layer continue to advance along with the filter cloth and then fall off when the filter cloth turns downwards and fall into a gypsum warehouse (8) under the action of gravity.
5. The method for purifying and collecting slurry by a filter-cloth dehydrator according to claim 4, wherein the travel distance of the gypsum slurry in the gypsum dehydration section (10) is 4m to 6 m.
6. The method for purifying slurry and collecting water by a filter-cloth dehydrator according to claim 4, wherein the gypsum layer travels in the filtrate dehydrating zone over a distance of 6m to 8 m.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286622.0A CN111346416A (en) | 2020-04-13 | 2020-04-13 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
| PCT/CN2020/122575 WO2021208394A1 (en) | 2020-04-13 | 2020-10-21 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010286622.0A CN111346416A (en) | 2020-04-13 | 2020-04-13 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111346416A true CN111346416A (en) | 2020-06-30 |
Family
ID=71191332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010286622.0A Pending CN111346416A (en) | 2020-04-13 | 2020-04-13 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111346416A (en) |
| WO (1) | WO2021208394A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111893667A (en) * | 2020-07-01 | 2020-11-06 | 佛山市南海区西樵啟丰卫生用品有限公司 | Liquid spray conveying device |
| WO2021208394A1 (en) * | 2020-04-13 | 2021-10-21 | 西安热工研究院有限公司 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10128054A (en) * | 1996-10-29 | 1998-05-19 | Chiyoda Corp | Flue gas desulfurizer |
| CN205145945U (en) * | 2015-12-03 | 2016-04-13 | 西安西热锅炉环保工程有限公司 | Type lime stone - gypsum wet flue gas desulfurization system is assisted to alkali absorbent |
| CN106039997A (en) * | 2016-07-01 | 2016-10-26 | 大唐环境产业集团股份有限公司 | Multistage dehydration and separation system |
| CN109570204A (en) * | 2019-01-21 | 2019-04-05 | 潍坊鑫山环保重工科技有限公司 | Chlorine device drops in a kind of ammonia-soda process alkaline caustic sludge dehydration drop chlorine technique and caustic sludge dehydration |
| CN109603553A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of ultra-fine grain removing segmented dehydration separation system |
| CN212680290U (en) * | 2020-04-13 | 2021-03-12 | 华能国际电力股份有限公司 | Slurry purification water collection system based on filter cloth dehydrator |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3600417B2 (en) * | 1997-11-04 | 2004-12-15 | 三菱重工業株式会社 | Belt filter |
| US7611816B2 (en) * | 2005-07-29 | 2009-11-03 | Canon Kabushiki Kaisha | Process for producing toner particles |
| CN202410312U (en) * | 2011-12-14 | 2012-09-05 | 浙江天蓝环保技术股份有限公司 | Belt filter |
| CN209378811U (en) * | 2018-12-13 | 2019-09-13 | 北京国电龙源环保工程有限公司 | A kind of ultra-fine grain removing segmented dehydration separation system |
| CN110052121A (en) * | 2019-05-14 | 2019-07-26 | 北京国电龙源环保工程有限公司 | A kind of desulphurization system water balance regulator control system and its process |
| CN111346416A (en) * | 2020-04-13 | 2020-06-30 | 华能国际电力股份有限公司 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
-
2020
- 2020-04-13 CN CN202010286622.0A patent/CN111346416A/en active Pending
- 2020-10-21 WO PCT/CN2020/122575 patent/WO2021208394A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10128054A (en) * | 1996-10-29 | 1998-05-19 | Chiyoda Corp | Flue gas desulfurizer |
| CN205145945U (en) * | 2015-12-03 | 2016-04-13 | 西安西热锅炉环保工程有限公司 | Type lime stone - gypsum wet flue gas desulfurization system is assisted to alkali absorbent |
| CN106039997A (en) * | 2016-07-01 | 2016-10-26 | 大唐环境产业集团股份有限公司 | Multistage dehydration and separation system |
| CN109603553A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of ultra-fine grain removing segmented dehydration separation system |
| CN109570204A (en) * | 2019-01-21 | 2019-04-05 | 潍坊鑫山环保重工科技有限公司 | Chlorine device drops in a kind of ammonia-soda process alkaline caustic sludge dehydration drop chlorine technique and caustic sludge dehydration |
| CN212680290U (en) * | 2020-04-13 | 2021-03-12 | 华能国际电力股份有限公司 | Slurry purification water collection system based on filter cloth dehydrator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208394A1 (en) * | 2020-04-13 | 2021-10-21 | 西安热工研究院有限公司 | Slurry purifying and water collecting system and method based on filter cloth dehydrator |
| CN111893667A (en) * | 2020-07-01 | 2020-11-06 | 佛山市南海区西樵啟丰卫生用品有限公司 | Liquid spray conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021208394A1 (en) | 2021-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102755823B (en) | Method for desulfurizing high-sulphur boiler flue gas to prepare high-purity ammonium bisulfite | |
| CN1199863C (en) | Technique and method for treating titanium tetrachloride slurry containing vanadium | |
| CN111346416A (en) | Slurry purifying and water collecting system and method based on filter cloth dehydrator | |
| CN102614735A (en) | Device and method for smoke desulphurization and waste recycle | |
| CN205360735U (en) | A full -automatic continuous demineralizer for production of furan phenol | |
| CN104707466A (en) | Water-balance energy-saving and water-saving system for wet desulphurization of limestone/lime | |
| CN107398166A (en) | A kind of water-saving smoke-gas wet desulfurization spray column | |
| CN108083538A (en) | The recycling processing method and its device of coking desulfurization salt bearing liquid wastes | |
| CN103787542B (en) | The wastewater recovery processing technique that a kind of Preparation of Sebacic Acid From Castor Oil produces and device | |
| CN205760593U (en) | Limestone gypsum wet flue gas desulfurizing device | |
| CN110102163A (en) | A kind of desulfation dust-extraction device and desulfurization and dust-removal method of industrial waste gas | |
| CN202590558U (en) | Device for flue gas desulfurization and waste recycling and reusing | |
| CN212680290U (en) | Slurry purification water collection system based on filter cloth dehydrator | |
| CN102974188B (en) | Method for processing high temperature selenium-containing flue gas | |
| CN110756027B (en) | Promote low-cost desulfurization waste water zero discharge system of gypsum quality | |
| CN2584279Y (en) | Device for fume dust separating and purifying and desulfurization | |
| CN214862443U (en) | Gaseous processing apparatus of VOCs who contains tar sewage | |
| CN212731638U (en) | Desulfurization gypsum grading and cleaning device | |
| CN215539670U (en) | Carbon dioxide production exhaust treatment device | |
| CN210229637U (en) | Useless sulphur of carrying of desulfurization danger carries salt system | |
| EE05753B1 (en) | Method and device for recycling of oil-water-sludge of oil shale dry distillation system | |
| CN210385115U (en) | Gypsum dewatering system of limestone-gypsum wet flue gas desulfurization | |
| CN113171675A (en) | Desulfurization gypsum grading cleaning device and method | |
| CN217220929U (en) | Limestone-gypsum wet desulphurization system applying aeration desulphurization | |
| CN213885484U (en) | Kiln gas washing device |
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 |
Application publication date: 20200630 |