CN218890250U - Two-stage desulfurization waste water clarifier device - Google Patents
Two-stage desulfurization waste water clarifier device Download PDFInfo
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- CN218890250U CN218890250U CN202223080701.XU CN202223080701U CN218890250U CN 218890250 U CN218890250 U CN 218890250U CN 202223080701 U CN202223080701 U CN 202223080701U CN 218890250 U CN218890250 U CN 218890250U
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model provides a two-stage desulfurization wastewater clarifier device, which comprises a primary clarifier and a secondary clarifier; the primary clarifying tank and the secondary clarifying tank comprise a clarifying tank body, and the secondary clarifying tank further comprises a mud scraping device, a sampling pipe orifice and an online mud level meter; the center position of the clarification tank body is vertically provided with a feeding core barrel, the upper part of the feeding core barrel is connected with a water inlet pipe, wastewater enters the clarification tank body through the feeding core barrel, is filtered through a filler filtering area, and finally flows into a water outlet pipe through the overflow groove. The two-stage desulfurization wastewater clarifier device is used for desulfurization wastewater treatment, and under the condition of the same rated treatment capacity, the equipment is stable in operation and simple in operation, and the labor input can be reduced; the operation modes are diversified, the operation modes can be adjusted according to actual loads, and the problem that the original multi-box linkage adjustment is complex and consumes large energy is solved; the upper and lower structures can reduce the occupied area and reduce the investment cost.
Description
Technical Field
The utility model relates to the technical field of desulfurization wastewater treatment, in particular to a two-stage desulfurization wastewater clarifier device.
Background
At present, the boiler flue gas of a large-scale coal-fired power plant is desulfurized by a limestone/gypsum method, in order to control the concentration of chloride ions and balance the concentration of other ions in desulfurization slurry, part of desulfurization wastewater obtained by concentrating through a gypsum hydrocyclone station must be periodically discharged, the desulfurization wastewater has the characteristics of high salt, high chlorine and strong corrosion, and contains a large amount of suspended matters and heavy metals, and the direct discharge can seriously pollute the environment, so that the desulfurization wastewater is required to be further treated by a desulfurization wastewater treatment system, and a clarifier plays an important role as a part of the wastewater treatment system.
The clarifier is a sedimentation device which utilizes suspended sludge to collide, adsorb and adhere with impurity particles in water so as to improve the clarification effect. The use of a clarifier to treat desulfurization wastewater is mainly faced with the following problems: the water quantity adjusting range of a system for treating desulfurization wastewater of a coal-fired power plant by adopting a thermal concentration drying process fluctuates greatly, and the solid content in the wastewater correspondingly changes according to the chlorine content in water and the addition quantity; when the wastewater amount and the solid content in the wastewater are less, the wastewater can reach the standard by primary clarification, when the wastewater amount and the solid content in the wastewater are increased, the primary clarification cannot meet the requirement, secondary clarification is needed, the tank bodies of the currently adopted multistage clarification tanks are mostly positioned on the same plane, the occupied area is large, pump body equipment is needed for slurry transportation, the energy consumption is large, and the investment cost is correspondingly increased.
Disclosure of Invention
In view of the problems, the utility model aims to provide a two-stage desulfurization wastewater clarifying tank device, which solves the problems of large fluctuation of the water quantity adjusting range of desulfurization wastewater, unstable solid content in wastewater, large occupied area of the device and high energy consumption for slurry transportation, and saves investment cost while improving working efficiency. The utility model provides a two-stage desulfurization wastewater clarifying tank device, which comprises a primary clarifying tank and a secondary clarifying tank;
the primary clarifier and the secondary clarifier comprise a clarifier body;
a feeding core barrel is vertically arranged in the center of the clarification tank body, and desulfurization wastewater enters the clarification tank body through the feeding core barrel; a preset interval is arranged between the lower end of the feeding core barrel and the bottom of the clarification tank body;
the upper part of the feeding core barrel is connected with a water inlet pipe, and the periphery of the lower part is provided with a filler filtering area in a surrounding way; a filler support is arranged below the filler filtering area; the bottom end of the feeding core barrel is lower than the height of the filler support; an overflow groove is arranged above the filler filtering area and is positioned at the middle part of the feeding core barrel; a water outlet pipe is connected to the side surface of the overflow groove;
the bottom of the clarification tank body is connected with a discharging pipe and a blow-down pipe; a clarifier support is arranged at two sides outside the clarifier body;
the secondary clarification tank also comprises a mud scraping device, a motor, a sampling pipe orifice and an online mud level meter; the mud scraping device is arranged at the bottom of the secondary clarification tank; the motor is arranged on the outer side of the top of the secondary clarification tank; the sampling pipe orifice is arranged on the side wall of the secondary clarifier, and the position of the sampling pipe orifice is lower than the height of a filler bracket in the secondary clarifier; the online mud level meter is arranged at the top of the secondary clarification tank, and the bottom end of the online mud level meter is positioned below the filler bracket;
and the discharging pipe of the primary clarifier is communicated with the water inlet pipe of the secondary clarifier.
In addition, the preferred structure is that the primary clarifier is a conical structure and the secondary clarifier is a cylindrical structure.
Furthermore, it is preferable that the bottom end of the primary clarifier is higher than the top end of the secondary clarifier.
Furthermore, it is preferred that the filler filter zone is filled with PVC filler.
Furthermore, it is preferable that the filler holder is a steel holder.
Furthermore, it is preferable that the water inlet pipe and the water outlet pipe are located at different sides of the clarifier body in the same clarifier, and the water inlet pipe is located above the water outlet pipe.
In addition, the preferred structure is that connecting pipeline and valve are arranged between the primary clarifier and the secondary clarifier, and the discharging pipe of the primary clarifier is communicated with the water inlet pipe of the secondary clarifier through the connecting pipeline, and the valve is an electric valve.
Furthermore, it is preferable that the washing water is introduced into the clarifier through the water inlet pipe to wash the clarifier.
From the above description, the two-stage desulfurization wastewater clarifier device provided by the utility model has the following beneficial effects:
1. the utility model improves on the basis of the traditional clarification tank, an upper clarification tank and a lower clarification tank are arranged, the adjustment can be carried out according to the change of water inflow, and the electric valve of the clarification tank system is adjusted by utilizing a PLC, so that the series operation of the upper clarification tank and the lower clarification tank can be satisfied, and various operation modes such as parallel operation, independent operation of the upper clarification tank and the lower clarification tank can be satisfied, and the operation modes are diversified; when the water quantity of the wastewater is lower than a first preset threshold value and the solid content in the wastewater is lower than a second preset threshold value, performing primary clarification treatment on the wastewater by using a primary clarification tank or a secondary clarification tank; when the wastewater quantity exceeds the first preset threshold value and the solid content in the wastewater is lower than the second preset threshold value, simultaneously operating the primary clarifier and the secondary clarifier, and performing primary clarification treatment on the wastewater in a mode that the primary clarifier and the secondary clarifier are connected in parallel; when the wastewater quantity exceeds the first preset threshold value and the solid content in the wastewater exceeds the second preset threshold value, simultaneously operating the primary clarifier and the secondary clarifier, and performing twice clarification treatment on the wastewater in a mode that the primary clarifier and the secondary clarifier are connected in series;
2. by adopting the up-down structure, the slurry between the two stages of clarifying tanks is not conveyed by pump body equipment, so that the energy consumption can be saved, the occupied area can be reduced, and the investment cost can be saved;
3. the utility model can also be used for treating other wastewater and sewage, and has wide application range.
Drawings
Other objects and results of the present utility model will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the utility model.
In the drawings:
FIG. 1 is a schematic diagram of a two-stage desulfurization wastewater clarifier apparatus according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of a two-stage desulfurization wastewater clarifier system according to an embodiment of the utility model;
in the figure, 1-a first water inlet main valve; 2-a first-stage water inlet valve; 3-a primary clarifier; 4-a first-stage discharging valve; 5-a first-stage emptying valve; 6-a second water inlet main valve; 7-a secondary water inlet valve; 8-a secondary clarifier; 9-a secondary emptying valve; 10-a secondary discharge valve; 11-a sludge pump sewage valve; 12-a sludge pump feed valve; 13-a total sludge pump outlet valve; 14-flushing a main valve; 15-a secondary flushing valve; 16-a first-stage sludge discharge valve; 17-quenching and tempering pump flushing valve;
301-a first-stage water inlet pipe; 302-a first-stage feeding mandrel; 303-a primary clarifier body; 304-a primary clarifier support; 305-a first-stage packing filtration zone; 306-a first-order filler support; 307-primary overflow trough; 308-a primary water outlet pipe; 309-primary discharge pipe; 310-stage of blow-down pipe;
801-a secondary water inlet pipe; 802-a secondary feeding mandrel; 803-a secondary clarifier body; 804-a secondary clarifier support; 805-a secondary packing filtration zone; 806-a secondary filler support; 807-a secondary overflow trough; 808-secondary water outlet pipe; 809-a secondary discharge pipe; 810-a secondary blow-down pipe; 811-a mud scraping device; 812-motor; 813-on-line mud level meter; 814-sampling tube orifice.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a two-stage desulfurization wastewater clarifier apparatus according to an embodiment of the utility model.
As shown in fig. 1, a two-stage desulfurization wastewater clarifier apparatus of the present utility model comprises a primary clarifier 3 and a secondary clarifier 8;
the primary clarifier 3 has a conical structure, the secondary clarifier 8 has a cylindrical structure, the primary clarifier 3 and the secondary clarifier 8 have substantially the same structure, and the secondary clarifier 8 includes all the structures of the primary clarifier 3, so when describing the same structures of the primary clarifier 3 and the secondary clarifier 8, only the secondary clarifier 8 is taken as an example for detailed description, wherein the numbers of the structures in the primary clarifier 3 are similar to those of the secondary clarifier 8, the difference is that the numbers of the structures in the primary clarifier 3 are at the beginning 3, the numbers of the structures in the secondary clarifier 8 are at the beginning 8, for example, the numbers of the primary water inlet pipes in the primary clarifier 3 are 301, the numbers of the secondary water inlet pipes in the secondary clarifier 8 are 801, and the other structures are the same. The description is as follows:
the secondary clarifier 8 includes a secondary clarifier body 803; a secondary feeding core barrel 802 is vertically arranged at the center of the secondary clarifier body 803, and desulfurization wastewater enters the secondary clarifier body 803 through the secondary feeding core barrel 802; a preset interval is arranged between the lower end of the secondary feeding heart cylinder 802 and the bottom of the secondary clarifier body 803, so that desulfurization wastewater can conveniently and smoothly enter the secondary clarifier 8.
The upper part of the secondary feeding heart cylinder 802 is connected with a secondary water inlet pipe 801, and the end part of the secondary water inlet pipe 801 extends into the secondary feeding heart cylinder 802; a secondary packing filtration zone 805 is circumferentially disposed around the lower portion of the secondary feed cartridge 802; a secondary packing support 806 is disposed below the secondary packing filtration zone 805; the bottom end of the secondary feeding heart cylinder 802 is lower than the position of the secondary filler support 806, so that the desulfurization wastewater flows into the clarifier and is filtered by the secondary filler filtering zone 805; a secondary overflow trough 807 is disposed above the secondary packing filtration zone 805, the secondary overflow trough 807 being located in the middle portion of the secondary feed cartridge 802; a secondary water outlet pipe 808 is connected to the side surface of the secondary overflow tank 807, the secondary water inlet pipe 801 and the secondary water outlet pipe 808 are positioned on different sides of the secondary clarifier body 803, and the secondary water inlet pipe 801 is positioned above the secondary water outlet pipe 808, thereby facilitating the discharge of clarified liquid and the installation of a clarified liquid storage tank; the flushing water enters the clarifier 8 through the secondary water inlet pipe 801 to flush the clarifier 8.
A secondary discharging pipe 809 and a secondary emptying pipe 810 are connected to the bottom of the secondary clarifier body 803, the secondary discharging pipe 809 discharges sludge and wastewater, and the secondary emptying pipe 810 is used for discharging flushing sewage; a sludge scraping device 811 is arranged on the inner side of the bottom of the secondary clarifier 8, so that sludge precipitated in the clarifier can be cleaned to the greatest extent; the mud scraping device 811 is connected with a motor 812, and the motor 812 is arranged on the outer side of the top of the secondary clarifier 8 and is used for driving the mud scraping device 811; a sampling pipe orifice 814 is arranged on the side wall of the secondary clarifier 8, and the position of the sampling pipe orifice 814 is lower than the height of the secondary filler support 806 in the secondary clarifier 8, so that sludge in the secondary clarifier 8 can be sampled; the secondary clarifier 8 is also provided with a online mud level meter 813, the online mud level meter 813 is inserted from the top of the secondary clarifier body 803, and the bottom end of the online mud level meter 813 is positioned between the secondary filler bracket 806 and the mud scraping device 811 and is used for monitoring the mud storage and cleaning state in the secondary clarifier 8; two sides of the outer part of the secondary clarifier body 803 are provided with secondary clarifier brackets 804 for supporting and fixing the secondary clarifier body 803.
A connecting pipeline and a valve are arranged between the primary clarification tank 3 and the secondary clarification tank 8; the primary discharge pipe 309 of the primary clarifier 3 is communicated with the secondary water inlet pipe 801 of the secondary clarifier 8; enabling the thick wastewater subjected to primary sedimentation by the primary sedimentation tank 3 to enter the secondary sedimentation tank 8 for secondary sedimentation, wherein the bottom end of the primary sedimentation tank 3 is higher than the top end of the secondary sedimentation tank 8, so that the thick wastewater in the primary sedimentation tank 3 can smoothly flow into the secondary sedimentation tank 8 for secondary sedimentation under the condition that a pump body is not arranged; the valve is an electric valve, the DCS system is used for controlling the electric valve to operate, and the operation is convenient.
In one specific embodiment of the utility model, the primary clarifier 3 adopts a conical structure, the lower end of the cone has larger gradient, the sludge is not easy to accumulate, and the sludge scraping device 811 and the manual cleaning operation are not needed; the secondary clarification tank 8 adopts a cylindrical structure, the primary clarification tank 3 and the secondary clarification tank 8 in the utility model are of an upper-lower integrated structure, the secondary clarification tank 8 is positioned below, and the whole device can be better supported by adopting the cylindrical structure.
The primary clarifier support 304 and the secondary clarifier support 804 are both steel supports, and have firm structures; the fillers in the primary filler filtering area 305 and the secondary filler filtering area 805 are PVC fillers, and the PVC fillers are free of variegates, environment-friendly, good in use effect, wide in application range and high in cost performance; the primary filler support 306 and the secondary filler support 806 are made of glass fiber reinforced plastic, and are firm and durable.
The utility model improves on the basis of the traditional clarification tank, and an upper clarification tank and a lower clarification tank are arranged, so that the operation mode can be selected according to the working requirements, and the operation mode comprises series operation and parallel operation of the upper clarification tank and the lower clarification tank, independent operation of the upper clarification tank and the lower clarification tank and the like.
FIG. 2 is a schematic diagram of a two-stage desulfurization wastewater clarifier system according to an embodiment of the utility model; the figure shows a brief flow of desulfurization wastewater clarifier operation.
Referring to fig. 1 and 2, the working flow of the two-stage desulfurization wastewater clarifier apparatus of the present utility model is as follows:
single operation mode: when the water quantity of the wastewater is lower than a first preset threshold value and the solid content in the wastewater is lower than a second preset threshold value, performing primary clarification treatment on the wastewater by using a primary clarification tank 3 or a secondary clarification tank 8; when only the primary clarifier 3 is operated, the working flow is that desulfurization wastewater flows through a primary feeding core barrel 302 from a primary water inlet pipe 301 through a primary water inlet main valve 1 and a primary water inlet valve 2 to enter the primary clarifier 3, larger sludge particles in the wastewater sink, other wastewater is filtered upwards through a primary filler filtering area 305, smaller sludge particles also settle, clarified water obtained by filtration rises to enter a primary overflow tank 307 and flows into a clarified liquid storage tank through a primary water outlet pipe 308, precipitated sludge at the bottom of the primary clarifier 3 is discharged from a discharge hole 309 and flows through a second water inlet main valve 6, a primary sludge discharge valve 16 and a sludge pump feeding valve 12 to enter a conditioning sludge pump, and finally enters a sludge compression system through a sludge pump outlet main valve 13; when only the secondary clarifier 8 is operated, the working flow is that the desulfurization wastewater passes through the first water inlet main valve 1, the secondary flushing valve 15, the second water inlet main valve 6 and the secondary water inlet valve 7, flows through the secondary feeding heart cylinder 802 from the secondary water inlet pipe 801 to enter the secondary clarifier 8, larger sludge particles in the wastewater subside, the rest wastewater is filtered by the secondary filler filtering area 805 upwards, smaller sludge particles also subside, clear water obtained by filtering rises to enter the secondary overflow tank 807 and flows into the clear liquid storage tank through the secondary water outlet pipe 808, the precipitated sludge at the bottom of the secondary clarifier 8 is discharged from the discharge port 809 after being cleaned by the sludge scraping device 811, then enters the tempering sludge pump through the secondary discharge valve 10 and the sludge pump feeding valve 12, and finally enters the sludge compression system through the sludge pump outlet main valve 13.
Parallel operation mode: when the water quantity of the wastewater exceeds a first preset threshold value and the solid content in the wastewater is lower than a second preset threshold value, simultaneously operating the primary clarifier 3 and the secondary clarifier 8, and performing primary clarification treatment on the wastewater in a mode that the primary clarifier 3 and the secondary clarifier 8 are connected in parallel; the parallel operation work flow can integrate the independent operation modes of the primary clarifier 3 and the secondary clarifier 8, and the primary clarifier 3 and the secondary clarifier 8 are started simultaneously and independently operate to be parallel operation. However, it should be noted that the sediment sludge discharge operation of the primary clarifier 3 and the water inlet operation of the secondary clarifier 8 cannot be performed simultaneously, that is, the sediment sludge discharge operation of the primary clarifier 3 should be suspended to input desulfurization wastewater into the secondary clarifier 8.
Series operation mode: and when the water quantity of the wastewater exceeds a first preset threshold value and the solid content in the wastewater exceeds a second preset threshold value, simultaneously operating the primary clarifier 3 and the secondary clarifier 8, and performing two clarification treatments on the wastewater in a mode that the primary clarifier 3 and the secondary clarifier 8 are connected in series. The serial operation work flow is that desulfurization waste water flows through a first water inlet main valve 1 and a first water inlet valve 2 from a first water inlet pipe 301 and flows through a first water inlet heart cylinder 302 to enter a first clarifying tank 3, larger sludge particles in the waste water subside, other waste water is filtered by a first filler filtering area 305, smaller sludge particles also settle, clear water obtained by filtration rises into a first overflow tank 307 and flows into a clear liquid storage tank through a first water outlet pipe 308, thick slurry in the first clarifying tank 3 is discharged from a discharge port 309 and then passes through a second water inlet valve 7, and flows through a second water inlet pipe 801 of a second clarifying tank 8 communicated with the discharge port 309 and flows through a second water inlet heart cylinder 802 to enter the second clarifying tank 8, larger sludge particles in the slurry subside, other waste water upwards flows through a second filler filtering area 805 and is filtered, smaller sludge particles also settled, clear water obtained by filtration rises into a second overflow tank 807 and flows into the clear liquid storage tank 808, settled sludge at the bottom of the second clarifying tank 8 is cleaned by a discharge port 809, then passes through a second water outlet valve 809 and a sludge pump 12, and finally enters a sludge pump 13 through a sludge pump 13.
After the pipeline is discharged, the equipment needs to be washed, and when the two-stage desulfurization wastewater clarifier device of the utility model is washed, three conditions are divided into the washing of the primary clarifier 3, the washing of the secondary clarifier 8 and the washing of the tempering sludge pump, and the washing process is represented by describing a washing water flow path:
1. when the primary clarifier 3 and related pipelines are washed, the flow route of the washing water is as follows:
(1) flushing water-flushing main valve 14-primary water inlet valve 2-primary clarifier 3-primary discharge valve 4-primary emptying valve 5-water pit
(2) Flushing water-flushing main valve 14-primary water inlet valve 2-primary clarifier 3-primary discharge valve 4-secondary water inlet main valve 6-primary sludge discharge valve 16-sludge pump blow-down valve 11-water pit
2. When the primary clarifier 8 and related pipelines are washed, the flow route of the washing water is as follows:
(1) flushing water-flushing main valve 14-secondary flushing valve 15-secondary inlet main valve 6-secondary inlet valve 7-secondary clarifier 8-secondary emptying valve 9-sump
(2) Flushing water-flushing main valve 14-secondary flushing valve 15-secondary water inlet main valve 6-secondary water inlet valve 7-secondary clarifier 8-secondary discharge valve 10-sludge pump blow-down valve 11-water pit
3. When flushing the sludge pump and related pipelines, the flushing water flows through the following paths:
(1) flushing water-flushing main valve 14-secondary flushing valve 15-conditioning pump flushing valve 17-sludge pump feeding valve 12-sludge pump sewage valve 11-sump
The flushing water can flush each part of the equipment through the five lines, all valves in the equipment are electric valves, and the DCS system is used for controlling the electric valves to operate, so that the operation is convenient.
It should be noted that, when describing an operation mode and a flushing process, the valves are closed except for the valves mentioned herein.
According to the technical scheme, the two-stage desulfurization wastewater clarification tank device is improved on the basis of the traditional clarification tank, an upper-stage clarification tank and a lower-stage clarification tank are arranged, adjustment can be performed according to the change of water inflow, and the electric valve of a clarification tank system is adjusted by plc, so that multiple operation modes such as series operation, parallel operation, independent operation of the upper-stage clarification tank and the lower-stage clarification tank can be met, and the operation modes are diversified; the device adopts the structure from top to bottom, and the transportation of thick liquid no longer relies on pump body equipment between the two-stage clarification tank, not only can reduce the energy consumption, also can reduce area, practices thrift investment cost, still can be used to other waste water, sewage's treatment, application scope is wide.
The two-stage desulfurization wastewater clarifier apparatus according to the present utility model is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the two-stage desulfurization wastewater clarifier apparatus set forth in the foregoing utility model without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.
Claims (8)
1. The two-stage desulfurization wastewater clarifying tank device is characterized by comprising a primary clarifying tank and a secondary clarifying tank;
the primary clarifier and the secondary clarifier comprise a clarifier body;
a feeding core barrel is vertically arranged in the center of the clarification tank body, and desulfurization wastewater enters the clarification tank body through the feeding core barrel; a preset interval is arranged between the lower end of the feeding core barrel and the bottom of the clarification tank body;
the upper part of the feeding core barrel is connected with a water inlet pipe, and the periphery of the lower part is provided with a filler filtering area in a surrounding way; a filler support is arranged below the filler filtering area; the bottom end of the feeding core barrel is lower than the height of the filler support; an overflow groove is arranged above the filler filtering area and is positioned at the middle part of the feeding core barrel; a water outlet pipe is connected to the side surface of the overflow groove;
the bottom of the clarification tank body is connected with a discharging pipe and a blow-down pipe; a clarifier support is arranged at two sides outside the clarifier body;
the secondary clarification tank also comprises a mud scraping device, a motor, a sampling pipe orifice and an online mud level meter; the mud scraping device is arranged at the bottom of the secondary clarification tank; the motor is arranged on the outer side of the top of the secondary clarification tank; the sampling pipe orifice is arranged on the side wall of the secondary clarifier, and the position of the sampling pipe orifice is lower than the height of a filler bracket in the secondary clarifier; the online mud level meter is arranged at the top of the secondary clarification tank, and the bottom end of the online mud level meter is positioned below the filler bracket;
and the discharging pipe of the primary clarifier is communicated with the water inlet pipe of the secondary clarifier.
2. The two-stage desulfurization wastewater clarifier apparatus defined in claim 1 wherein said primary clarifier is of conical configuration and said secondary clarifier is of cylindrical configuration.
3. The two-stage desulfurization wastewater clarifier apparatus defined in claim 1 wherein the bottom end of said primary clarifier is higher than the top end of said secondary clarifier.
4. The two-stage desulfurization wastewater clarifier apparatus defined in claim 1 wherein PVC packing is filled in said packing filtration zone.
5. The two-stage desulfurization wastewater clarifier apparatus defined in claim 1 wherein said filler support is a steel support.
6. The two-stage desulfurization wastewater clarifier apparatus defined in claim 1 wherein said inlet pipe and said outlet pipe are located on different sides of said clarifier body and said inlet pipe is located above said outlet pipe in the same clarifier.
7. The two-stage desulfurization wastewater clarifier apparatus as set forth in claim 1, wherein a connecting pipe and a valve are provided between the primary clarifier and the secondary clarifier, and a discharge pipe of the primary clarifier is communicated with a water inlet pipe of the secondary clarifier through the connecting pipe, and the valve is an electric valve.
8. The two stage desulfurization wastewater clarifier apparatus defined in claim 1 wherein flushing water enters said clarifier through said water inlet pipe to flush said clarifier.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223080701.XU CN218890250U (en) | 2022-11-21 | 2022-11-21 | Two-stage desulfurization waste water clarifier device |
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| CN202223080701.XU CN218890250U (en) | 2022-11-21 | 2022-11-21 | Two-stage desulfurization waste water clarifier device |
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| CN218890250U true CN218890250U (en) | 2023-04-21 |
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| CN202223080701.XU Active CN218890250U (en) | 2022-11-21 | 2022-11-21 | Two-stage desulfurization waste water clarifier device |
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