CN219792645U - Thermal power plant boiler lemon pickling waste liquid treatment device - Google Patents
Thermal power plant boiler lemon pickling waste liquid treatment device Download PDFInfo
- Publication number
- CN219792645U CN219792645U CN202321209080.2U CN202321209080U CN219792645U CN 219792645 U CN219792645 U CN 219792645U CN 202321209080 U CN202321209080 U CN 202321209080U CN 219792645 U CN219792645 U CN 219792645U
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- sedimentation tank
- waste liquid
- liquid
- fixed
- floating plate
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- 239000007788 liquid Substances 0.000 title claims abstract description 57
- 239000002699 waste material Substances 0.000 title claims abstract description 27
- 238000005554 pickling Methods 0.000 title claims abstract description 13
- 235000005979 Citrus limon Nutrition 0.000 title claims description 3
- 244000248349 Citrus limon Species 0.000 title claims 2
- 238000004062 sedimentation Methods 0.000 claims abstract description 55
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000005086 pumping Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000007667 floating Methods 0.000 claims description 42
- 238000001914 filtration Methods 0.000 claims description 22
- 239000010865 sewage Substances 0.000 claims description 8
- 241000196324 Embryophyta Species 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 description 8
- 239000013049 sediment Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 244000131522 Citrus pyriformis Species 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a device for treating waste citric acid pickling liquid of a boiler of a thermal power plant, which relates to the technical field of treatment of waste citric acid pickling liquid and comprises the following components: the sedimentation tank is characterized in that a round table type base is fixedly arranged at the bottom of the sedimentation tank, and a plugging device is fixedly arranged at the top of the sedimentation tank; the filter device is fixed in the sedimentation tank, downwards extends through the round table-shaped base and is positioned below the round table-shaped base, and a diversion space is formed between the inner wall of the round table-shaped base and the outer wall of the filter device; the water pumping device is arranged in the sedimentation tank and is adjusted according to the height of the liquid level in the sedimentation tank; according to the utility model, the liquid above the filter device is pumped out through the arrangement of the first filter holes, and meanwhile, the pumped liquid can be filtered, so that the deposited impurities are prevented from entering along with the liquid, and the elastic hose is prevented from being blocked under long-time accumulation, so that the pumping out of the deposited liquid is influenced.
Description
Technical Field
The utility model relates to the technical field of treatment of citric acid pickling waste liquid, in particular to a device for treating citric acid pickling waste liquid of a boiler of a thermal power plant.
Background
Along with the continuous construction and production of large-unit power plants in China, the large-capacity high-parameter boilers increasingly adopt a citric acid pickling process. The citric acid has strong complexing ability, low corrosiveness, low toxicity, simple cleaning process and strong affinity for iron. In the citric acid solution added with ammonia (NH 3), ferric ions generate soluble complex substances, so that iron scale and rust of the boiler can be removed. However, after the boiler is pickled, the waste liquid treatment is a difficult problem.
When the waste liquid is subjected to physical treatment, the steps of precipitation, filtration, acid-base balance and the like are needed, and larger impurities in the waste liquid can be removed by precipitation through precipitation of the waste liquid, and then the waste liquid is filtered by a filtering device.
Because the waste liquid will sink to the bottom after precipitation, and the top that the liquid comes up carries out the layering, and the impurity can also cause liquid to follow the discharge when discharging after precipitation easily, causes the waste liquid to mix.
Therefore, it is necessary to invent a device for treating the citric acid pickling waste liquid of a boiler of a thermal power plant to solve the problems.
Disclosure of Invention
The utility model aims to provide a device for treating citric acid pickling waste liquid of a boiler of a thermal power plant, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a thermal power plant boiler citric acid pickling waste liquid treatment device, comprising:
the sedimentation tank is characterized in that a round table type base is fixedly arranged at the bottom of the sedimentation tank, and a plugging device is fixedly arranged at the top of the sedimentation tank;
the filter device is fixed in the sedimentation tank, downwards extends through the round table-shaped base and is positioned below the round table-shaped base, and a diversion space is formed between the inner wall of the round table-shaped base and the outer wall of the filter device;
the water pumping device is placed in the settling tank, the height of the water pumping device is adjusted according to the height of the liquid level in the settling tank, and the water pumping device extends upwards and penetrates through the plugging device to be located on the outer side of the settling tank.
Optionally, the pumping device comprises a pumping barrel, an elastic hose, two limiting plates, a balancing weight and a positioning floating piece; the inside of sedimentation tank is placed to the pumping section of thick bamboo, and the lower part of pumping section of thick bamboo has been seted up the multiunit and has been the inside and outside first filtration pore that link up of annular array, two the limiting plate is fixed respectively in the top and the bottom trompil department of pumping section of thick bamboo, elastic tube fixes the top that is located the top limiting plate to communicate with the pumping section of thick bamboo, and elastic tube upwards extends to the outside of sedimentation tank, the balancing weight is fixed in the bottom that is located the below limiting plate, the location floats the outside of cup joint at the pumping section of thick bamboo that the piece can slide from top to bottom.
Optionally, the positioning floating piece comprises an inner floating plate, an outer floating plate and a plurality of bearing columns; the inner floating plate is sleeved on the outer side of the water pumping barrel and is in contact with the limiting plate, the outer floating plate is positioned on the outer side of the inner floating plate and is fixedly connected with the inner floating plate through bearing posts, and the bearing posts are uniformly distributed in an annular shape.
Optionally, the filtering device comprises a limiting ring, a circular truncated cone guide frame and a sewage drain pipe; the limiting ring is fixed in the sedimentation tank, the round platform guide frame passes through the limiting ring and is limited by the limiting ring, the sewage drain pipe is fixed at the bottom of the round platform guide frame, and the second filter holes which are uniformly distributed in a ring array are formed in the upper part of the outer side of the circular truncated cone flow guide frame.
Optionally, the plugging device includes blanking cap, pan feeding funnel, the blanking cap detachable is fixed at the top of deposit box, the pan feeding funnel is fixed at the top of blanking cap and communicates with the deposit box.
Optionally, a plurality of guide pipelines which are uniformly distributed in an annular array are arranged on the outer side of the settling tank, and two ends of each guide pipeline are respectively communicated with the inner part of the settling tank and the guide space.
The utility model has the technical effects and advantages that:
1. according to the utility model, the liquid above the filter device is pumped out through the arrangement of the first filter holes, and meanwhile, the pumped liquid can be filtered, so that the deposited impurities are prevented from entering along with the liquid, and the elastic hose is prevented from being blocked under long-time accumulation, so that the pumping out of the deposited liquid is influenced.
2. According to the utility model, the inner floating plate and the outer floating plate are arranged to drive the water pumping cylinder to adjust the height of the liquid level, so that the waste liquid can be completely pumped out, and meanwhile, the sediment on the lower layer is not stirred during the pumping out; the inner floating plate and the outer floating plate can be connected and fixed through the arrangement of the bearing column.
3. The utility model can filter part of clear water through the arrangement of the second filtering holes, and the interior of the sedimentation tank and the water pumping device are washed after sediment is discharged.
Drawings
FIG. 1 is a schematic diagram of the front view of the structure of the present utility model;
FIG. 2 is a schematic view of the inside of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;
FIG. 5 is a schematic view of a filter device according to the present utility model.
In the figure: 1. a sedimentation tank; 2. a truncated cone-shaped base; 3. a diversion space; 4. a water pumping cylinder; 5. an elastic hose; 6. a limiting plate; 7. balancing weight; 8. a first filter aperture; 9. an inner floating plate; 10. an outer floating plate; 11. a receiving column; 12. a limiting ring; 13. a circular truncated cone flow guiding frame; 14. a sewage drain pipe; 15. a second filter aperture; 16. a blocking cover; 17. a feeding funnel; 18. a diversion pipeline.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a heat-engine plant boiler citric acid pickling waste liquid treatment device as shown in figures 1-5, which comprises a precipitation tank 1, a filtering device and a water pumping device;
the bottom of the sedimentation tank 1 is detachably and fixedly provided with a round table type base 2, and the top of the sedimentation tank 1 is fixedly provided with a plugging device; the filter device is fixed in the sedimentation tank 1, extends downwards to pass through the round table type base 2 and is positioned below the round table type base 2, and a diversion space 3 is formed between the inner wall of the round table type base 2 and the outer wall of the filter device; the water pumping device is arranged in the sedimentation tank 1, the height of the water pumping device is adjusted according to the height of the liquid level in the sedimentation tank 1, and the water pumping device extends upwards and passes through the plugging device to be positioned at the outer side of the sedimentation tank 1;
the outside of the sedimentation tank 1 is provided with a plurality of guide pipelines 18 which are uniformly distributed in an annular array, and two ends of each guide pipeline 18 are respectively communicated with the inside of the sedimentation tank 1 and the guide space 3.
In the embodiment, the normal formation of the diversion space 3 can be ensured through the arrangement of the truncated cone-shaped base 2, and meanwhile, the diversion space can be detached from the sedimentation tank 1 to clean the interior of the sedimentation tank 1 and the filtering device; a certain amount of clear water can be stored through the arrangement of the diversion space 3, and the sedimentation tank 1 and the water pumping device can be cleaned in the later stage;
the clear water in the diversion space 3 can be pumped out under the action of the water pump through the arrangement of the diversion pipeline 18 and transported to the interior of the sedimentation tank 1 for ejection.
In some embodiments of the present utility model, referring to fig. 3 and 2, the pumping device includes a pumping cylinder 4, an elastic hose 5, two limiting plates 6, a balancing weight 7, an inner floating plate 9, an outer floating plate 10, and a plurality of receiving posts 11; the water pumping cylinder 4 is arranged in the sedimentation tank 1 and is lifted along with the change of the liquid level, a plurality of groups of first filtering holes 8 which are communicated inside and outside the annular array are formed in the lower part of the water pumping cylinder 4, and the extracted liquid is filtered; the two limiting plates 6 are respectively fixed at the openings at the top and the bottom of the water pumping barrel 4, the inner floating plate 9 is limited when the inner floating plate 9 rises to the highest position to enable the inner floating plate to fall to the lowest position, the elastic hose 5 is fixed at the top of the upper limiting plate 6 and communicated with the water pumping barrel 4, the elastic hose 5 is stretched when the water pumping barrel 4 descends, the elastic hose 5 extends upwards to the outer side of the sedimentation tank 1, and the balancing weight 7 is fixed at the bottom of the lower limiting plate 6;
the inner floating plate 9 is sleeved on the outer side of the pumping barrel 4 and is in contact with the limiting plate 6, the outer floating plate 10 is positioned on the outer side of the inner floating plate 9 and is fixedly connected with the inner floating plate 9 through the bearing columns 11, so that the outer floating plate 10 is positioned on the inner floating plate 9 and is synchronously lifted, balance of the pumping barrel 4 is guaranteed, the bearing columns 11 are uniformly distributed in an annular shape, the bearing columns 11 are made of heavier materials, and the position of the inner floating plate 9 cannot be influenced when the pumping barrel 4 ascends.
In the embodiment, the water pump is connected with an external water pump through the matching of the water suction barrel 4 and the elastic hose 5, and liquid is pumped out under the action of the water pump; the limit plate 6 is arranged to limit the up-and-down sliding range of the inner floating plate 9, and meanwhile, the thickness of the inner floating plate 9 can plug a plurality of groups of first filtering holes 8;
the liquid above is pumped out through the arrangement of the first filtering holes 8, and meanwhile, the pumped liquid can be filtered, so that the precipitated impurities are prevented from entering along with the liquid, the elastic hose 5 is blocked due to long-time accumulation, and the pumping out of the liquid after precipitation is influenced;
the inner floating plate 9 and the outer floating plate 10 can drive the water pumping cylinder 4 to adjust along with the height of the liquid level, so that the waste liquid can be completely pumped out, and meanwhile, the sediment on the lower layer can not be stirred during the pumping out; the inner floating plate 9 and the outer floating plate 10 can be connected and fixed by the arrangement of the receiving columns 11.
In some embodiments of the present utility model, referring to fig. 2, 4 and 5, the filtering device includes a limiting ring 12, a circular truncated cone guide frame 13, and a sewage drain pipe 14; the inside at the setting tank 1 is fixed to spacing ring 12 detachable interference, and round platform water conservancy diversion frame 13 passes spacing ring 12 and is restricted by spacing ring 12, and blow off pipeline 14 is fixed in the bottom of round platform water conservancy diversion frame 13 to downwards pass round platform base 2 and be located setting tank 1's below, the outside upper portion of round platform water conservancy diversion frame 13 has seted up multiunit and has been annular array evenly distributed's second filtration pore 15.
In the embodiment, the circular truncated cone guide frame 13 is supported by the limiting ring 12, so that the circular truncated cone guide frame 13 is kept at a certain height, and the circular truncated cone guide frame 13 cannot drop in the weight of sediment; part of liquid at the filtering position can fall into the diversion space 3 for storage through the arrangement of the second filtering holes 15;
after the sediment is precipitated, the sediment is discharged through the sewage drain pipe 14, and the sewage drain pipe 14 is normally plugged by a shutoff valve.
In some embodiments of the present utility model, referring to fig. 1 and 2, the plugging device comprises a plugging cover 16, and a feeding funnel 17, wherein the plugging cover 16 is detachably fixed on the top of the settling tank 1, and the feeding funnel 17 is fixed on the top of the plugging cover 16 and is communicated with the settling tank 1.
In the embodiment, the top of the sedimentation tank 1 can be plugged through the arrangement of the plugging cover 16, and meanwhile, the sedimentation tank 1 can be disassembled, so that the cleaning inside the sedimentation tank 1 is not influenced; the citric acid waste liquid can be added into the sedimentation tank 1 for sedimentation through the arrangement of the feeding funnel 17.
The working method of the utility model comprises the following steps:
when the device is used, the citric acid pickling waste liquid is added into the sedimentation tank 1 through the feeding funnel 17, part of liquid in the sedimentation tank 1 falls into the diversion space 3 through the second filtering holes 15, and solid-liquid separation is carried out through long-time sedimentation;
when precipitation is completed, an external water pump is started, so that the water pump generates negative pressure and acts on the water pumping barrel 4 through the elastic hose 5, the upper liquid is pumped out, the liquid level is opened and lowered in the pumping process, the water pumping barrel 4 is driven by the balancing weight 7 to descend, the lower surface of the inner floating plate 9 is always contacted with the liquid level, and after the water pumping barrel 4 is contacted with the precipitate, the inner floating plate 9 is lowered relative to the water pumping barrel 4 under the action of the bearing column 11, the first filtering holes 8 are cleaned, and the first filtering holes 8 are gradually plugged;
then start and open the shutoff valve, the deposit will be discharged through blow off pipeline 14, and after the deposit is discharged, start the water pump that is connected with water conservancy diversion pipeline 18, the inside of sedimentation tank 1 is transported to the inside liquid of water conservancy diversion space 3 to water conservancy diversion pipeline 18 to wash the inside of sedimentation tank 1, clear up suction drum 4 and sedimentation tank 1, the material of clearance is discharged through blow off pipeline 14.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a thermal power plant boiler lemon pickling waste liquid processing apparatus which characterized in that includes:
the sedimentation tank (1), the bottom of the sedimentation tank (1) is fixedly provided with a round table type base (2), and the top of the sedimentation tank (1) is fixedly provided with a plugging device;
the filtering device is fixed in the sedimentation tank (1) and downwards extends through the round table type base (2) and is positioned below the round table type base (2), and a diversion space (3) is formed between the inner wall of the round table type base (2) and the outer wall of the filtering device;
the water pumping device is placed in the sedimentation tank (1), the height of the water pumping device is adjusted according to the height of the liquid level in the sedimentation tank (1), and the water pumping device extends upwards and penetrates through the plugging device to be located at the outer side of the sedimentation tank (1).
2. The heat-engine plant boiler citric acid waste liquid treatment device according to claim 1, wherein:
the water pumping device comprises a water pumping barrel (4), an elastic hose (5), two limiting plates (6), a balancing weight (7) and a positioning floating piece; the sedimentation tank (1) is placed to the suction drum (4), and the lower part of suction drum (4) has seted up multiunit and is inside and outside first filtration pore (8) that link up of annular array, two limiting plate (6) are fixed respectively in the top and the bottom trompil department of suction drum (4), elastic tube (5) are fixed at the top that is located top limiting plate (6) to with suction drum (4) intercommunication, and elastic tube (5) upwards extend to the outside of sedimentation tank (1), balancing weight (7) are fixed in the bottom of being located Fang Xianwei board (6), location floater can be slided from top to bottom and cup joints in the outside of suction drum (4).
3. The heat-engine plant boiler citric acid waste liquid treatment device according to claim 2, wherein:
the positioning floating piece comprises an inner floating plate (9), an outer floating plate (10) and a plurality of bearing columns (11); the inner floating plate (9) is sleeved on the outer side of the water pumping barrel (4) and is in contact with the limiting plate (6), the outer floating plate (10) is located on the outer side of the inner floating plate (9) and is fixedly connected with the inner floating plate (9) through the bearing columns (11), and the bearing columns (11) are uniformly distributed in a ring shape.
4. The heat-engine plant boiler citric acid waste liquid treatment device according to claim 1, wherein:
the filtering device comprises a limiting ring (12), a circular truncated cone guide frame (13) and a sewage drain pipe (14); the limiting ring (12) is fixed in the sedimentation tank (1), the round platform guide frame (13) passes through the limiting ring (12) and is limited by the limiting ring (12), the sewage drain pipe (14) is fixed at the bottom of the round platform guide frame (13), and downwards passes through the round platform base (2) and is positioned below the sedimentation tank (1), and a plurality of groups of second filtering holes (15) which are uniformly distributed in an annular array are formed in the upper part of the outer side of the round platform flow guide frame (13).
5. The heat-engine plant boiler citric acid waste liquid treatment device according to claim 1, wherein:
the plugging device comprises a plugging cover (16) and a feeding funnel (17), wherein the plugging cover (16) is detachably fixed at the top of the sedimentation tank (1), and the feeding funnel (17) is fixed at the top of the plugging cover (16) and is communicated with the sedimentation tank (1).
6. The heat-engine plant boiler citric acid waste liquid treatment device according to claim 1, wherein:
the outside of the sedimentation tank (1) is provided with a plurality of guide pipelines (18) which are uniformly distributed in an annular array, and two ends of each guide pipeline (18) are respectively communicated with the inside of the sedimentation tank (1) and the guide space (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209080.2U CN219792645U (en) | 2023-05-18 | 2023-05-18 | Thermal power plant boiler lemon pickling waste liquid treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209080.2U CN219792645U (en) | 2023-05-18 | 2023-05-18 | Thermal power plant boiler lemon pickling waste liquid treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792645U true CN219792645U (en) | 2023-10-03 |
Family
ID=88153628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321209080.2U Active CN219792645U (en) | 2023-05-18 | 2023-05-18 | Thermal power plant boiler lemon pickling waste liquid treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792645U (en) |
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2023
- 2023-05-18 CN CN202321209080.2U patent/CN219792645U/en active Active
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