CN217490085U - Sewage steam stripping pretreatment device - Google Patents
Sewage steam stripping pretreatment device Download PDFInfo
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- CN217490085U CN217490085U CN202221720730.5U CN202221720730U CN217490085U CN 217490085 U CN217490085 U CN 217490085U CN 202221720730 U CN202221720730 U CN 202221720730U CN 217490085 U CN217490085 U CN 217490085U
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Abstract
The utility model relates to the technical field of sewage treatment devices, in particular to a sewage stripping pretreatment device, which comprises a primary valve connected with a process pipeline, wherein the outlet of the primary valve is connected with a flow cell through a first stainless steel pipeline, and the flow cell is connected with an instrument cell through a second stainless steel pipeline; be equipped with the filter screen subassembly in the circulation pond, the filter screen subassembly is including the one-level filter screen, second grade filter screen and the tertiary filter screen that set gradually, one-level filter screen, second grade filter screen and tertiary filter screen interval set gradually. The utility model discloses a tertiary settlement, filtration flow-through cell, with the sample subside earlier, filter send into the instrument again in the measurement, guarantee that the sample that gets into the instrument is clean, reduce instrument trouble frequency, extension instrument part life. The utility model discloses a carry out improvement optimization to preprocessing device, solve preprocessing device jam problem, guarantee the normal steady operation of online analysis table.
Description
Technical Field
The utility model relates to a sewage treatment plant technical field especially relates to a sewage strip preprocessing device.
Background
At present, sewage treated by a sewage stripping device contains a large amount of dust particles, which easily causes the blockage of a sample injection pipeline of a COD and ammonia nitrogen analyzer, and the accelerated wear of a movable part causes high failure rate of the analyzer, influences the normal reference of measuring data of a process device, and causes certain influence on production adjustment.
The existing pretreatment system uses a water pump to periodically pump a sample in a flow cell to enter an instrument for measurement, and has the following defects:
1. the original sampling system has no sedimentation tank or filtering system, and impurities in the sample easily enter an instrument to cause abnormal measurement of the instrument; reducing the service life of the instrument parts.
2. The original sampling system adopts a water pump to periodically extract samples, and the water pump belongs to electrical equipment, is easy to damage and has higher maintenance cost; the suction pump is a 220VAC power supply, and the risk of electric shock of personnel is caused in the maintenance process.
3. The sampling pump adopts the sample in-process pump outlet pressure higher, if back way discharge line blocks up, the pump outlet is suppressed pressure easily, easily causes the risk that the pipeline bursts apart.
Therefore, the present application needs to design a sewage stripping pretreatment device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the sewage strip preprocessing device who proposes, through improving the optimization to preprocessing device, solve preprocessing device jam problem, guarantee the normal steady operation of online analysis table.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sewage stripping pretreatment device comprises a primary valve connected with a process pipeline, wherein an outlet of the primary valve is connected with a flow cell through a first stainless steel pipeline, and the flow cell is connected with an instrument cell through a second stainless steel pipeline;
be equipped with the filter screen subassembly in the circulation pond, the filter screen subassembly is including the one-level filter screen, second grade filter screen and the tertiary filter screen that set gradually, one-level filter screen, second grade filter screen and tertiary filter screen interval set gradually.
Preferably, the aperture of the filtering holes of the first-stage filter screen, the second-stage filter screen and the third-stage filter screen is gradually reduced.
By adopting the technical scheme: the three-level sedimentation and filtration flow cell is adopted, samples are firstly sedimentated and filtered and then sent into the instrument for measurement, the samples entering the instrument are guaranteed to be clean, the failure frequency of the instrument is reduced, and the service life of instrument parts is prolonged.
Preferably, the flow cell is an open stainless steel flow cell, and the bottom of the flow cell is connected with a drain outlet.
By adopting the technical scheme: the impurities settled in the flow-through tank and filtered by the filter screen component are discharged through a sewage outlet for centralized treatment.
Preferably, the height of the flow cell is higher than the height of the instrumentation cell.
By adopting the technical scheme: the mode that the liquid level difference in height of sampling flows automatically lets the sample circulate automatically, need not the suction pump and draws the sample, and the maintenance is simple, and the maintenance cost is low, the equipment trouble phenomenon can not appear basically. Meanwhile, a liquid level height difference self-flowing mode is adopted, so that the sample injection pressure is small (namely the pressure of the liquid level height difference), and if a back-way discharge pipeline is blocked, a sample cannot flow, so that the risk of pipeline cracking is avoided.
Preferably, an overflow port is arranged on the flow cell, and the overflow port is arranged on the front side part of the filter screen assembly.
Preferably, the height of the overflow opening is lower than the height of the filter screen assembly.
By adopting the technical scheme: the sample can be ensured to be circulated and replaced quickly in time, and the freshness of the measured sample is ensured.
The utility model discloses following beneficial effect has:
1. the utility model discloses a tertiary settlement, filtration flow-through cell, with the sample subside earlier, filter send into the instrument again in the measurement, guarantee that the sample that gets into the instrument is clean, reduce instrument trouble frequency, extension instrument part life.
2. The utility model discloses the mode that the sampling liquid level difference in height flows automatically lets the sample circulate automatically, need not the suction pump and draws the sample, and the maintenance is simple, maintains that cost of maintenance is low, the equipment trouble phenomenon can not appear basically.
3. The utility model discloses a mode that the liquid level difference in height flows automatically for advance kind pressure little (the pressure of liquid level difference promptly), if the back way discharge line blocks up the back, the sample can not flow, avoids the risk that the pipeline bursts apart.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1 primary valve, 2 first stainless steel pipelines, 3 flow-through ponds, 4 second stainless steel pipelines, 5 instrument ponds, 6 first-level filter screens, 7 second-level filter screens, 8 third-level filter screens, 9 drain ports and 10 overflow ports.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, the sewage stripping pretreatment device comprises a primary valve 1 connected with a process pipeline, wherein an outlet of the primary valve 1 is connected with a flow cell 3 through a first stainless steel pipeline 2, and the flow cell 3 is connected with an instrument cell 5 through a second stainless steel pipeline 4.
In practical application, the first stainless steel pipeline 2 is a DN20 stainless steel pipeline, and a sample is led out through the first stainless steel pipeline 2; the second stainless steel line 4 had an outside diameter of 3/8 inches and the second stainless steel line 4 was used to introduce the filtered sample into the meter well 5 for sampling analysis by the meter.
Specifically, be equipped with the filter screen subassembly in the flow-through cell 3, the filter screen subassembly is including the one-level filter screen 6, second grade filter screen 7 and the tertiary filter screen 8 that set gradually, one-level filter screen 6, second grade filter screen 7 and tertiary filter screen 8 interval in proper order sets up.
Wherein, the aperture of the filtering holes of the first-stage filter screen 6, the second-stage filter screen 7 and the third-stage filter screen 8 is decreased gradually in sequence.
In this embodiment, through the one-level filter screen 6, second grade filter screen 7 and the tertiary filter screen 8 that set gradually in flow cell 3, adopt tertiary settlement, filtration flow cell, subside the sample earlier, filter and send into the instrument again and measure, guarantee that the sample that gets into the instrument is clean, reduce instrument trouble frequency to extension instrument part life.
Specifically, the flow cell 3 is an open stainless steel flow cell, and the bottom of the flow cell 3 is connected with a drain 9.
In this embodiment, the sample is settled in the flow cell 3, and the impurities filtered by the filter screen assembly are discharged through the drain outlet 9 for centralized treatment.
Specifically, the height of the flow cell 3 is higher than that of the instrument cell 5.
In this embodiment, during practical application, the height of flow-through cell 3 is 1.5 meters, and the height of instrument pond 5 is 0.5 meters, and the mode that the liquid level difference in height of sampling flows automatically like this lets the sample circulate automatically, need not the suction pump and draws the sample, and the maintenance is simple, and the maintenance cost is low, the equipment trouble phenomenon can not appear basically. Meanwhile, a liquid level height difference self-flowing mode is adopted, so that the sample injection pressure is small (namely the pressure of the liquid level height difference), and if a back-way discharge pipeline is blocked, a sample cannot flow, so that the risk of pipeline cracking is avoided.
Specifically, an overflow port 10 is arranged on the flow cell 3, and the overflow port 10 is arranged on the front side part of the filter screen assembly.
Wherein the height of the overflow opening 10 is lower than the height of the filter screen assembly.
In this embodiment, the overflow port 10 is used to ensure that the sample can be rapidly circulated and replaced in time, thereby ensuring the freshness of the measured sample.
The utility model discloses a work flow: the process pipeline sampling is conducted through an outlet of a primary valve 1, a sample is led out through a first stainless steel pipeline 2, the sample flows into an open stainless steel flow cell with the height of 1.5 m, 3 layers of filter screens are arranged in the flow cell for separation, the aperture of a filter hole is sequentially reduced from a first-level filter screen to a second-level filter screen to a third-level filter screen, the sample after the third-level filter is led into an instrument pool 5 with the height of 0.5 m through a second stainless steel pipeline 4 with the outer diameter of 3/8 inches for instrument sampling analysis, wherein an overflow port 10 lower than the filter screens is arranged on the front side of the third-level filter screen of the flow cell 3, the sample can be timely and rapidly circulated and replaced through the overflow port 10, and the freshness of the measured sample is guaranteed.
To sum up, the utility model discloses a tertiary settlement, filtration circulation pond, with the sample subside earlier, filter send into the instrument again in the measurement, guarantee that the sample that gets into the instrument is clean, reduce instrument trouble frequency, extension instrument part life.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The sewage stripping pretreatment device is characterized by comprising a primary valve (1) connected with a process pipeline, wherein an outlet of the primary valve (1) is connected with a flow cell (3) through a first stainless steel pipeline (2), and the flow cell (3) is connected with an instrument cell (5) through a second stainless steel pipeline (4);
be equipped with the filter screen subassembly in flow-through tank (3), the filter screen subassembly is including one-level filter screen (6), second grade filter screen (7) and tertiary filter screen (8) that set gradually, one-level filter screen (6), second grade filter screen (7) and tertiary filter screen (8) interval in proper order set up.
2. The sewage stripping pretreatment device according to claim 1, characterized in that the aperture of the filtering holes of the primary filter screen (6), the secondary filter screen (7) and the tertiary filter screen (8) decreases progressively in turn.
3. A sewage stripping pretreatment apparatus according to claim 1, characterized in that said flow cell (3) is an open stainless steel flow cell, and the bottom of said flow cell (3) is connected with a sewage outlet (9).
4. A wastewater stripping pretreatment apparatus according to claim 1, characterized in that the height of said flow cell (3) is higher than the height of the meter cell (5).
5. A sewage stripping pretreatment apparatus according to claim 1, characterized in that an overflow port (10) is provided on the flow cell (3), and the overflow port (10) is provided at the front side portion of the filter screen assembly.
6. A stripping pretreatment unit for sewage according to claim 5, characterized in that the height of the overflow outlet (10) is lower than the height of the filter screen assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221720730.5U CN217490085U (en) | 2022-07-04 | 2022-07-04 | Sewage steam stripping pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221720730.5U CN217490085U (en) | 2022-07-04 | 2022-07-04 | Sewage steam stripping pretreatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217490085U true CN217490085U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221720730.5U Active CN217490085U (en) | 2022-07-04 | 2022-07-04 | Sewage steam stripping pretreatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217490085U (en) |
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2022
- 2022-07-04 CN CN202221720730.5U patent/CN217490085U/en active Active
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