CN209878801U - Filter back flush tester and filter back flush test system thereof - Google Patents
Filter back flush tester and filter back flush test system thereof Download PDFInfo
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- CN209878801U CN209878801U CN201821363553.3U CN201821363553U CN209878801U CN 209878801 U CN209878801 U CN 209878801U CN 201821363553 U CN201821363553 U CN 201821363553U CN 209878801 U CN209878801 U CN 209878801U
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Abstract
The utility model discloses a filtering pond back flush tester and filtering pond back flush test system thereof, the tester is fixed on the support of filtering pond top, the tester is equipped with gas collection chamber, trachea, velocity of flow test mouth from bottom to top, the gas collection chamber is equipped with a plurality ofly side by side, every the bottom opening in gas collection chamber inserts the liquid level below in filtering pond, every the gas collection chamber top is through an independent velocity of flow test mouth of independent trachea intercommunication, every all be equipped with a velocity of flow detector in the velocity of flow test mouth, and the velocity of flow test mouth is equipped with the gas outgoing's that collects the gas collection chamber gas outlet. The utility model has the advantages of can be reliable monitor the back flush, acquire accurate data parameter, make things convenient for the real-time adjustment back flush pressure of staff, ensure the back flush quality to indirectly improve the filter effect of filtering ponds.
Description
Technical Field
The utility model relates to a water treatment field especially relates to the test equipment who carries out the back flush link to the filtering pond in the water treatment.
Background
Modern water plants basically adopt a filter tank filtering technology to process water, a filter opening is formed in the bottom of the filter tank, the filter opening is usually connected with a backwashing pipeline, a filter material is laid above the filter opening and can adsorb and retain impurities in the water, the filter tank stops filtering after being used for a period of time, the backwashing pipeline supplies water to the filter opening, and the filter tank sprays water from bottom to top for backwashing so as to wash away the impurities adsorbed in the filter material.
At present, the backwashing is not provided with special testing equipment and cannot detect the quality and effect of the backwashing, so the water supply pressure of the backwashing is determined according to experience at present, the filter material is lost due to overlarge impulsive force, impurities in the filter material cannot be washed due to undersize impulsive force, and the backwashing can not be accurately controlled obviously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that realize one kind can accurate control test filtering pond back flush situation instrument.
In order to realize the purpose, the utility model discloses a technical scheme be: the filter back flush tester is fixed on a support above the filter, the tester is provided with a gas collection cavity, a gas pipe and a flow rate test port from bottom to top, the gas collection cavity is provided with a plurality of gas collection cavities side by side, each gas collection cavity is provided with a bottom opening and is inserted below the liquid level of the filter, each gas collection cavity top is communicated with an independent flow rate test port through an independent gas pipe, each flow rate test port is internally provided with a flow rate detector, and the flow rate test port is provided with a gas outlet for discharging gas collected by the gas collection cavity.
Each flow rate detector transmits the acquired parameters to a processor, and the processor stores and/or transmits the acquired data to a display screen for display.
The width of the gas collection cavities arranged side by side is slightly smaller than that of the filter, the upper parts of the gas collection cavities are communicated with the gas pipe through the gas outlet, and the gas outlet is of a structure that the caliber of the gas pipe is gradually reduced from the gas collection cavity.
The flow velocity testing port is of a horizontally arranged tubular structure, the flow velocity detector comprises a fin and a stress sensor, the fin is fixed above the inner wall of the flow velocity testing port and vertically extends downwards, the stress sensor is fixed on the fin, and the stress sensor outputs a fin deformation parameter value processor.
A filter backwashing test system comprises a support and the filter backwashing tester;
the support is provided with bilateral step counting tracks fixed on two sides of the filter, the truss sliding group is positioned above the filter and supported on the bilateral step counting tracks through step counting wheels, a power unit for driving the step counting wheels to rotate is fixed on the truss sliding group, and the filter backwashing tester is suspended below the truss sliding group.
And a lifting mechanism moving in the vertical direction is fixed on the truss sliding group, and the filter chamber backwashing tester is fixed on the lifting mechanism of the truss sliding group.
Fix sonar equipment along the gas collection chamber, sonar equipment gathers apart from the distance data of filter material to treater, treater output drive signal is to elevating system and power pack.
The utility model has the advantages of can be reliable monitor the back flush, acquire accurate data parameter, make things convenient for the real-time adjustment back flush pressure of staff, ensure the back flush quality to indirectly improve the filter effect of filtering ponds.
Drawings
The following brief descriptions of the contents expressed by each figure and the marks in the figures in the specification of the present invention are as follows:
FIG. 1 is a schematic structural view of a filter backwash tester;
FIG. 2 is a schematic view of a structural support of a filter backwashing test system;
FIG. 3 is a schematic view of a flow rate detector;
the direction of the arrows in fig. 1 and 3 is the direction of airflow;
the labels in the above figures are: 1. a truss sliding group; 2. a filter chamber; 3. a bilateral step-counting track; 4. a step counting wheel; 5. A lifting mechanism; 6. a flow velocity detector; 7. a flow rate test port; 8. an air tube; 9. an air outlet; 10. a gas collection cavity; 11. a fin; 12. a stress sensor.
Detailed Description
The utility model discloses utilize the back flush bubble to turn into the air current when the blasting, collect the gas in the bubble through bubble collection device and form continuous air current, can detect the back flush situation of detection face through detecting the air current state, rethread slip table mobile device drives the bubble collector and removes, can detect the back flush state of whole filtering pond 2. Finally, the cleaning condition of the whole filter 2 can be obtained through microcomputer processing.
The working principle of the backwashing tester of the filter 2 is as follows: the filtering pool 2 is broken after the bubbles upwards reach the water surface from the pool bottom during backwashing, the gas in the bubbles is collected by the bubble collector, the gas collection end of the bubble collector is placed under the water, a plurality of bubbles can generate airflow when broken in the collector, the airflow flows along the pipeline through water pressure gas, and the flowing state of the airflow is detected out through the detection chamber, so that the flushing strength and the flushing effect of the current region are known, the bubble collector is combined by a plurality of collecting cavities, and the single-point and multi-point flushing effects can be simultaneously measured.
As shown in figure 1, the backwashing tester for the filter 2 is fixed on a support above the filter 2, and can adopt a line scanning mode, namely a plurality of gas collection cavities 10 are arranged side by side, the number of the gas collection cavities 10 is determined according to the width of the filter 2, the width of the gas collection cavities 10 arranged side by side is slightly smaller than the width of the filter 2, and the interference with the wall of the filter is avoided when the backwashing tester is scanned along the filter 2. The tester is equipped with gas collection chamber 10, trachea 8, velocity of flow test mouth 7 from bottom to top, and every gas collection chamber 10 is furnished with independent trachea 8 and velocity of flow test mouth 7, and a set of gas collection chamber 10, trachea 8, velocity of flow test mouth 7 constitute the pipeline structure that link up from top to bottom, and in order to guarantee measurement efficiency, the internal diameter of trachea 8 is less than gas collection chamber 10, the internal diameter of velocity of flow test mouth 7 is less than trachea 8, can improve the impact force that the collection bubble constitutes the air current promptly. The upper part of the gas collecting cavity 10 is communicated with the gas pipe 8 through the gas outlet 9, and the gas outlet 9 is of a structure that the caliber of the gas collecting cavity 10 is gradually reduced towards the gas pipe 8, so that the flow rate of the collected gas can be improved.
Each flow velocity test port 7 is internally provided with a flow velocity detector 6, the flow velocity test port 7 is provided with an air outlet 9 for discharging air collected by an air collection cavity 10, the flow velocity detector 6 is a device for acquiring strength/force/pressure of passing air, for example, a mechanism shown in figure 3 can be adopted, the flow velocity test port 7 is of a horizontally arranged tubular structure, the flow velocity detector 6 comprises a fin 11 and a stress sensor 12, the fin 11 is fixed above the inner wall of the flow velocity test port 7 and vertically extends downwards, the bottom of the fin 11 is not in contact with the bottom of the inner wall of the flow velocity test port 7 and is provided with a gap for bending the fin 11, the fin 11 is vertically arranged to avoid the bending of the fin 11 due to self gravity, the conversion difficulty is reduced, the stress sensor 12 is fixed on the fin 11, the stress sensor 12 senses the bending degree of the fin 11, when the air flow is large, when the airflow is small, the bending degree of the fin 11 is small, and the stress sensor 12 outputs a deformation parameter value processor of the fin 11.
Each flow velocity detector 6 transmits the acquired parameters to the processor, so that the backwashing parameters of different areas on one line are acquired, and when the backwashing tester of the filter 2 moves along the filter 2, the washing uniformity of the whole filter and the washing strength of each position can be tested. The processor stores and/or transmits the acquired data to a display screen for display.
Based on the filter 2 backwashing tester, a filter 2 backwashing test system can be designed, and the system comprises a support and the filter 2 backwashing tester. As shown in fig. 2, the bracket is provided with two-sided step counting tracks 3 fixed on two sides of the filter tank 2, the truss sliding group 1 is positioned above the filter tank 2 and supported on the two-sided step counting tracks 3 through step counting wheels 4, and the step counting wheels 4 can accurately walk to obtain the position (coordinate) information of the backwashing tester of the filter tank 2. A power unit for driving the step counting wheel 4 to rotate is fixed on the truss sliding group 1, the power unit can adopt a gear box connected with a stepping motor, and the backwashing tester of the filter tank 2 is suspended below the truss sliding group 1.
The depth measuring device is arranged on the side surface of the bubble collector, the whole pool can be scanned under the driving of the sliding table after the washing is finished, the tiling uniformity of the filter material can be known under the processing of a microcomputer, meanwhile, the depth measuring device is used for scanning before and after the washing to obtain the height difference before and after the washing, and the expansion rate of the filter material can be obtained through numerical calculation. Expansion rate ═ (post-flush height-pre-flush height)/pre-flush height.
The depth sounding device can adopt sonar equipment, and the sonar equipment is fixed along gas collecting chamber 10, adopts the filter material interval of truss sliding group 1 below region, and sonar equipment during operation, its distance data to the treater that will gather apart from the filter material, and the treater exports drive signal to elevating system 5 and power pack simultaneously, coordinates 2 back flush test system work in whole filtering pond.
In order to avoid the influence of a filter 2 backwashing test system on the normal operation of the filter 2, a lifting mechanism 5 which moves in the vertical direction is fixed on the truss sliding group 1, and a filter 2 backwashing tester is fixed on the lifting mechanism 5 of the truss sliding group 1, so that the filter 2 backwashing tester can be lifted when the filter 2 works normally, the influence of the filter 2 backwashing tester on the operation can be avoided, and the corrosion of sewage on the filter 2 backwashing tester can also be avoided.
The testing method based on the filter 2 backwashing testing system comprises the following steps:
in an initial state, the step counting wheel 4 supports the truss sliding group 1 to be positioned at one end of the filter 2, the lifting mechanism 5 is in a lifting state, and the sonar equipment and the air collecting cavity 10 are positioned above the liquid level of the filter 2;
before backwashing, the lifting mechanism 5 descends, the sonar equipment and the air collecting cavity 10 are arranged below the liquid level of the filter tank 2, the step counting wheel 4 is driven to travel along the bilateral step counting rail 3 to enable the truss sliding set 1 to travel to the other end of the filter tank 2, the step counting wheel 4 travels and simultaneously starts the sonar equipment, and the acquired height information of the filter material is transmitted to the processor;
starting back washing, driving the step counting wheel 4 to travel along the two-side step counting track 3 to enable the truss sliding group 1 to travel to the initial end of the filter tank 2, and transmitting acquired flow rate information to the processor by the flow rate detector 6 while the step counting wheel 4 travels;
after the backwashing is finished, the step counting wheel 4 is driven to travel along the bilateral step counting rail 3 to enable the truss sliding group 1 to travel to the other end of the filter tank 2, the step counting wheel 4 travels and simultaneously starts sonar equipment, and the acquired filter material height information is conveyed to the processor again;
finally, the lifting mechanism 5 is lifted to lift the sonar equipment and the air collecting chamber 10 above the liquid level of the filter chamber 2.
When the sonar equipment works, the height information of the filter material in the area below the truss sliding group 1 of the filter 2 is collected, and when the sonar equipment conveys the obtained height information of the filter material to a processor, the sonar equipment is attached with the position information of the current step counting wheel 4;
when the flow rate detector 6 works, the average value of the flow rate in the set time is transmitted to the processor, and the position information of the current step counting wheel 4 is attached.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (7)
1. The back flush tester of the filter tank, its characteristic lies in: the tester is fixed on the support above the filter tank, the tester is equipped with gas collection chamber, trachea, velocity of flow test mouth from bottom to top, the gas collection chamber is equipped with a plurality ofly side by side, every the bottom opening in gas collection chamber inserts the liquid level below in filter tank, every gas collection chamber top communicates an independent velocity of flow test mouth, every through independent trachea all be equipped with a velocity of flow detector in the velocity of flow test mouth, and the velocity of flow test mouth is equipped with the gas outgoing's that collects the gas collection chamber gas outlet.
2. The filter backwash tester according to claim 1, wherein: each flow rate detector transmits the acquired parameters to a processor, and the processor stores and/or transmits the acquired data to a display screen for display.
3. A filter backwash tester as claimed in claim 1 or 2, wherein: the width of the gas collection cavities arranged side by side is slightly smaller than that of the filter, the upper parts of the gas collection cavities are communicated with the gas pipe through the gas outlet, and the gas outlet is of a structure that the caliber of the gas pipe is gradually reduced from the gas collection cavity.
4. A filter backwash tester as claimed in claim 3, wherein: the flow velocity testing port is of a horizontally arranged tubular structure, the flow velocity detector comprises a fin and a stress sensor, the fin is fixed above the inner wall of the flow velocity testing port and vertically extends downwards, the stress sensor is fixed on the fin, and the stress sensor outputs a fin deformation parameter value processor.
5. The utility model provides a filtering pond back flush test system which characterized in that: the system comprises a bracket and the filter backwashing tester as recited in any one of claims 1 to 4;
the support is provided with bilateral step counting tracks fixed on two sides of the filter, the truss sliding group is positioned above the filter and supported on the bilateral step counting tracks through step counting wheels, a power unit for driving the step counting wheels to rotate is fixed on the truss sliding group, and the filter backwashing tester is suspended below the truss sliding group.
6. The filter backwash test system of claim 5 wherein: and a lifting mechanism moving in the vertical direction is fixed on the truss sliding group, and the filter chamber backwashing tester is fixed on the lifting mechanism of the truss sliding group.
7. The filter backwash test system of claim 6 wherein: fix sonar equipment along the gas collection chamber, sonar equipment gathers apart from the distance data of filter material to treater, treater output drive signal is to elevating system and power pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363553.3U CN209878801U (en) | 2018-08-23 | 2018-08-23 | Filter back flush tester and filter back flush test system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821363553.3U CN209878801U (en) | 2018-08-23 | 2018-08-23 | Filter back flush tester and filter back flush test system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN209878801U true CN209878801U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821363553.3U Active CN209878801U (en) | 2018-08-23 | 2018-08-23 | Filter back flush tester and filter back flush test system thereof |
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| CN (1) | CN209878801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802418A (en) * | 2018-08-23 | 2018-11-13 | 安徽启源智能科技有限公司 | Filter back washing tester and test system |
| CN113336320A (en) * | 2020-03-02 | 2021-09-03 | 龙感湖龙源汇力科技有限公司 | MBR membrane module aerator simulation experiment device |
-
2018
- 2018-08-23 CN CN201821363553.3U patent/CN209878801U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802418A (en) * | 2018-08-23 | 2018-11-13 | 安徽启源智能科技有限公司 | Filter back washing tester and test system |
| CN108802418B (en) * | 2018-08-23 | 2023-09-15 | 安徽启源智能科技有限公司 | Filter tank back flush tester and test system |
| CN113336320A (en) * | 2020-03-02 | 2021-09-03 | 龙感湖龙源汇力科技有限公司 | MBR membrane module aerator simulation experiment device |
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