CN203208745U - Backwash water volume controller of sewage filtering tank - Google Patents
Backwash water volume controller of sewage filtering tank Download PDFInfo
- Publication number
- CN203208745U CN203208745U CN 201320261011 CN201320261011U CN203208745U CN 203208745 U CN203208745 U CN 203208745U CN 201320261011 CN201320261011 CN 201320261011 CN 201320261011 U CN201320261011 U CN 201320261011U CN 203208745 U CN203208745 U CN 203208745U
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- filtering tank
- control system
- tank
- filtering
- sewage
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Abstract
The utility model relates to a backwash water volume controller of a sewage filtering tank. The backwash water volume controller comprises a PLC (programmable logic controller) frequency converting control system (1) and a filtering tank (2). The PLC frequency converting control system (1) is connected with a motor (3) and a flowmeter (7) respectively. The motor (3) is connected with a frequency converting pump (4). A viscosity detector (5) and the flowmeter (7) are mounted on a pipeline between an outlet of the frequency converting pump (4) and an inlet of the filtering tank (2). A filtering-media expansion height detector (6) is mounted between the PLC frequency converting control system (1) and the filtering tank (2). The viscosity detector and the filtering-media expansion height detector are mounted in a system, so that the problems of incapability of accurately and timely detecting expansion height of filtering media in the tank and viscosity of sewage entering the tank during backwash of the sewage filtering tank are solved.
Description
Technical field
The utility model relates to water volume control device, specifically is a kind of sewage water filtration jar backwashing water amount control device.
Background technology
The sewage that produces in the oilfield development process, discharging or recycling after regular meeting uses a kind of sewage water filtration jar with sewage water filtration.Adorn filtrate in this sewage water filtration jar and have backwashing function, by the water yield of a converter plant control backwash.Because this filtering tank is the tank body of a sealing, do not have in the control system can detect in backwash process, the equipment of the expansion height of filtrate under the backwashing water effect or relevant detecting instrument can't be grasped the height after filtrate expands in good time, exactly in the filtering tank.The excessive height after if filtrate expands, filtrate can lose with current, influences the back washing strength of filtering tank.In addition because oilfield sewage viscosity alters a great deal, as can not be accurate, in good time for control system provides the viscosity of sewage, also just can't in time adjust, control the water yield of backwash, directly influence sewage treatment effect.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of sewage water filtration jar backwashing water amount control device at the problems referred to above, be used for to solve filtrate in the former detection tank body that can't be accurate, in good time tank body outside during with the backwash of sewage water filtration jar expand height and can't be accurately, in good time detection enters the problem of sewage viscosity in the tank body, for system's adjusting process condition provides the control foundation.
The utility model is achieved through the following technical solutions: sewage water filtration jar backwashing water amount control device comprises PLC frequency-changing control system and filtering tank, the PLC frequency-changing control system connects motor and flowmeter respectively, motor is connected with variable frequency pump, flowmeter is installed between variable frequency pump outlet and the filtering tank entrance on the pipeline, filtrate expansion height testing instrument is installed between PLC frequency-changing control system and filtering tank, be connected with sonic probe with filtrate expansion height testing instrument, sonic probe places the top in the filtering tank tank body; The viscosity measurements instrument also is installed on the pipeline between the entrance of frequency conversion delivery side of pump and filtering tank, and the viscosity measurements instrument is connected with the PLC frequency-changing control system.
Adopt the good effect of technique scheme: the filtrate expansion height testing instrument of installing in the utility model can detect the filtering tank expansion of filtrate height in the tank body when backwash, for the control back washing strength provides foundation accurately, in good time; The online sewage viscosity of detection that the viscosity measurements instrument of installation can be accurate, in good time in this device, provide foundation for adjusting, control the backwash water yield, effectively overcome former control device and can't in time grasp the problem that the expansion of filtrate highly reaches the online sewage viscosity of accurate mensuration, for the process control condition of adjusting backwash provides guarantee in good time.
Description of drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the interior structural representation of placing two sonic probes of the tank body of filtering tank in the utility model.
Among the figure: 1 PLC frequency-changing control system, 2 filtering tanks, 3 motors, 4 variable frequency pumps, 5 viscosity measurements instrument, 6 filtrate expansion height testing instruments, 7 flowmeters, 8 sonic probes.
The specific embodiment: the utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is structural representation of the present utility model, as shown in the figure, sewage water filtration jar backwashing water amount control device comprises PLC frequency-changing control system 1 and filtering tank 2, PLC frequency-changing control system 1 is connected with motor 3, flowmeter 7 respectively, motor 3 is connected with variable frequency pump 4, on the pipeline flowmeter 7 is installed between the outlet of variable frequency pump 4 and filtering tank 2 entrances.Filtrate expansion height testing instrument 6 is installed between PLC frequency-changing control system 1 and the filtering tank 2, and viscosity measurements instrument 5 also is installed in variable frequency pump 4 outlet and filtering tank goes on the pipeline between 2 mouthfuls, and viscosity measurements instrument 5 is connected with PLC frequency-changing control system 1.Filtrate expansion height testing instrument 6 specifically is a kind of sonic detector, is connected with sonic probe 8 with filtrate expansion height testing instrument 6, and sonic probe 8 is generally two to eight, is positioned over the top in filtering tank 2 tank bodies.Present embodiment provides four sonic probes, and four sonic probes 8 adopt horizontal parallel relative mode placement in twos in the tank body of filtering tank 1.Propagate in water and in the mixture of water and filtrate because of sound wave and to have difference, the discrepant sound wave that sonic probe 8 will detect is passed to ripple filtrate expansion height testing instrument 6, convert signal to by filtrate expansion height testing instrument 6 and pass to PLC frequency-changing control system 1, through PLC frequency-changing control system 1 arrangement, calculate filtrate at the following expansion height of washing away of backwashing water, the assurance filtrate cleans under suitable back washing strength.Be installed in the also viscosity of the online sewage of detection in good time of viscosity measurements instrument 5 on the pipeline between variable frequency pump 4 outlet and filtering tank 2 entrances, and detected sewage viscosity data conducted to PLC frequency-changing control system 1, after PLC frequency-changing control system 1 is handled, adjust, control the backwash water yield by connected variable frequency pump 4 again, be used in the water yield of backwash and the expansion of filtrate and highly be complementary.
Fig. 2 is the interior structural representation of placing two sonic probes of the tank body of filtering tank in the utility model, and as shown in the figure, when adopting two sonic probes, two sonic probes 8 adopt vertical vertically opposite mode to place in the tank body of filtering tank 2.
The utility model also can be used for other Industrial Wastewater Treatment, applied range.
Claims (3)
1. sewage water filtration jar backwashing water amount control device, comprise PLC frequency-changing control system (1) and filtering tank (2), PLC frequency-changing control system (1) connects motor (3) and flowmeter (7) respectively, motor (3) is connected with variable frequency pump (4), flowmeter (7) is installed between variable frequency pump (4) outlet and filtering tank (2) entrance on the pipeline, it is characterized in that: between PLC frequency-changing control system (1) and filtering tank (2), filtrate expansion height testing instrument (6) is installed, be connected with sonic probe (8) with filtrate expansion height testing instrument (6), sonic probe (8) places the top in filtering tank (2) tank body; On the pipeline between the entrance of the outlet of variable frequency pump (4) and filtering tank (2) viscosity measurements instrument (5) is installed also, viscosity measurements instrument (5) is connected with PLC frequency-changing control system (1).
2. sewage water filtration jar backwashing water amount control device according to claim 1, it is characterized in that: described sonic probe (8) is four, four sonic probes (8) adopt in twos laterally parallel relative mode to place in the tank body of filtering tank (2).
3. sewage water filtration jar backwashing water amount control device according to claim 1, it is characterized in that: described sonic probe (8) is two, two sonic probes (8) adopt vertically vertically opposite mode to place in the tank body of filtering tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320261011 CN203208745U (en) | 2013-05-15 | 2013-05-15 | Backwash water volume controller of sewage filtering tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320261011 CN203208745U (en) | 2013-05-15 | 2013-05-15 | Backwash water volume controller of sewage filtering tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203208745U true CN203208745U (en) | 2013-09-25 |
Family
ID=49198319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320261011 Expired - Lifetime CN203208745U (en) | 2013-05-15 | 2013-05-15 | Backwash water volume controller of sewage filtering tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203208745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879441A (en) * | 2016-05-23 | 2016-08-24 | 鄂尔多斯市紫荆低碳生产力促进中心有限公司 | Integrated filtering water-purifying system based on modularized separating component |
| CN114377442A (en) * | 2022-03-01 | 2022-04-22 | 中冶赛迪重庆信息技术有限公司 | On-line backwashing state detection method for sand filter |
-
2013
- 2013-05-15 CN CN 201320261011 patent/CN203208745U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879441A (en) * | 2016-05-23 | 2016-08-24 | 鄂尔多斯市紫荆低碳生产力促进中心有限公司 | Integrated filtering water-purifying system based on modularized separating component |
| CN114377442A (en) * | 2022-03-01 | 2022-04-22 | 中冶赛迪重庆信息技术有限公司 | On-line backwashing state detection method for sand filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |