CN201463987U - Ultrasonic wave liquid level measuring device for urban sewage treatment automatic control system - Google Patents
Ultrasonic wave liquid level measuring device for urban sewage treatment automatic control system Download PDFInfo
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- CN201463987U CN201463987U CN2009201287766U CN200920128776U CN201463987U CN 201463987 U CN201463987 U CN 201463987U CN 2009201287766 U CN2009201287766 U CN 2009201287766U CN 200920128776 U CN200920128776 U CN 200920128776U CN 201463987 U CN201463987 U CN 201463987U
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- liquid level
- wire rope
- ultrasonic wave
- cylindrical shell
- flexible
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Abstract
The utility model relates to an ultrasonic wave liquid level measuring device for an urban sewage treatment automatic control system, comprising a mounting platform (1) and an ultrasonic wave probe (2), wherein the mounting platform (1) is provided with a hoisting drawing mechanism, and a steel wire rope (3) led out of the hoisting drawing mechanism is connected with a telescopic testing cylinder (4); the hoisting drawing mechanism can be used for controlling the telescopic testing cylinder (4) to stretch by the steel wire rope (3); the top of the telescopic testing cylinder (4) is fixed on the mounting platform (1); and the upper end of the telescopic testing cylinder (4) is internally provided with the ultrasonic wave probe (2). The ultrasonic wave liquid level measuring device effectively eliminates the influence of a sewage floating covering layer for the reflection of a wave beam of the ultrasonic wave probe as well as larger fluctuation of the liquid level of sewage in a primary pond, ensures the reflected wave beam to be the true liquid level of the sewage, and guarantees the accuracy and the reliability of measurement. Meanwhile, the device has the advantages of reliable performance, long service life, simple structure and being beneficial to normal examination, cleaning, assembly and disassembly as well as maintenance.
Description
Technical field
The utility model belongs to technical field of sewage, specifically, relates in particular to the ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system.
Background technology
China is a country that drought and water shortage is serious.The freshwater resources total amount is 28000 billion cubic meters, account for 6% of water globe resource, be only second to Brazil, Russia and Canadian, occupy the 4th in the world, but have only 2200 cubic metres per capita, only be world average level 1/4, the U.S. 1/5, rank 121 in the world, be the whole world one of 13 countries that water resource is the poorest per capita.
Quickening along with China's cities and towns urbanization development process, urban water consumption constantly increases, the urban water shortage problem is on the rise, and a large amount of dischargings of municipal effluent, serious water pollutes the functions of use that has not only reduced water body, further aggravated the contradiction of shortage of water resources, the strategy of sustainable development that China is being implemented has been brought and has been had a strong impact on, but also serious threat is to city dweller's safe drinking water and the people's health.Therefore, wastewater treatment is the important technique measure of control water environment pollution, is the coordinated development that promotes economy and environment, improves water utilization rate, guarantees the thing that China's sustainable economic development are significant.
Yet, because the complicacy of China's urban sewage discharge, the sewage that enters the forebay contains a large amount of mud and showy dirt, form the showy overlayer of dirt about the about 100mm of thickness, and the showy overlayer of dirt produces fluctuation along with the large amount of sewage that enters the forebay is flowing in the pond face, cause present supersonic liquid level detection probe that the data and the actual liquid level situation of cesspool liquid level change parameter detecting are not inconsistent, promptly do not have authenticity.The poor reliability of forebay Level Detection, make the forebay sewage pump not carry out automatic control and adjustment according to the variation of sewage level, and be forced to adopt manual monitoring to operate, make originally and can just change the system that controls the sewage pump operation automatically, can not effectively play a role according to the forebay sewage level.Not only wasted the technical resource of device systems, bring bigger physical efficiency, mental burden for operating personnel and administrative authority, reduced the service efficiency of Introducing Technical Equipment, and increased the energy resource consumption of enterprise greatly, increased operating cost, reduced effectiveness of operation.The more important thing is that the security of operation to system brings potential risk,, will cause the major accident of sewage outflow in case manual monitoring is slipped up.Therefore,, effectively cut down the consumption of energy with operating cost, improve effectiveness of operation, solve the insecure technical barrier of forebay level gauging, realize that as early as possible sewage pump energy-saving and frequency-variable autocontrol operation is very necessary for guaranteeing the security of operation of forebay sewage pump system.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system, to guarantee the reliability of Level Detection.
The technical solution of the utility model is as follows: a kind of ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system, comprise mounting platform and ultrasonic probe, its key is: the hoist and traction machine structure is installed on described mounting platform, the wire rope of drawing on this hoist and traction machine structure is connected with the flexible tube of measuring, described hoist and traction machine structure stretches by the flexible tube of measuring of wire rope control, the described flexible top of measuring tube is fixed on the mounting platform, in the flexible inside of measuring the tube upper end ultrasonic probe is installed.
Adopt above technical scheme, the hoist and traction machine structure extends by the flexible tube of measuring of wire rope may command, the flexible lower end of measuring tube is extend under the liquid level of sewage treatment plant forebay, the flexible liquid level of measuring in the tube is concordant with the liquid level of forebay, but floating dirt overlayer is shielded in the flexible outside of measuring tube on the liquid level of forebay, simultaneously, the fluctuation of forebay liquid level can not influence the flexible liquid level of measuring tube, guaranteed flexible interior the steady of liquid level that detect of tube of measuring like this, guaranteed accuracy and reliability by the ultrasonic probe measuring liquid level.The hoist and traction machine structure can also be controlled the flexible tube of measuring by wire rope and shorten, and makes the flexible lower end of measuring tube break away from the forebay liquid level, conveniently to check, to clean and to safeguard.
Above-mentioned flexible measurement tube is made of filter cone body and 3 joint cylindrical shells at least, a joint cylindrical shell kink is on adjacent with it on the joint cylindrical shell wherein, by two cylindrical shell abutting end settings to carve mouthful flange spacing, a uppermost joint cylindrical shell is fixed on the mounting platform, the filter cone body is installed in bottom at a bottom joint cylindrical shell, this filter cone body is up big and down small, and the surface of filter cone body and several from above second joint cylindrical shells is distributed with through hole.More than simple and reliable for structure, easy accessibility, and flexible flexibly.
Above-mentioned filter cone body is connected with a nethermost joint cylindrical shell by the fast-assembling flange, and the bottom surface of this filter cone body raises up, and forms bocca, and the angle of this bocca and filter cone body is provided with the slit.The dismounting of filter cone body is quick, easy, and can reduce mud portion's deposition within it.
Above-mentioned hoist and traction machine structure is made of motor, speed reduction unit and cylinder, wherein the output shaft of motor is connected with the input end of speed reduction unit, central shaft in the output terminal of speed reduction unit and the cylinder is connected, on cylinder around being with two wire rope, these two wire rope pass the collar of a bottom joint cylindrical shell bottom opposite side respectively, introduce flexible the measurement in the tube, and be fixed on the inwall of one joint cylindrical shell bottom, the top.The positive and negative running of motor can drive cylinder rotation by speed reduction unit, makes to draw on the wire rope or transfer the flexible bottom one joint cylindrical shell of measuring tube, to realize flexible shortening or elongation of measuring tube; Act on flexible the measurement on the tube by two wire rope, can guarantee flexible tube flexible stability and the reliability measured.
In order to prevent wire rope double swerve in surface level, above-mentioned every root wire rope is equipped with two horizontal guide sheaves, these two horizontal guide sheave mutual dislocation, and live apart in the both sides of corresponding wire rope, this wire rope is walked around from horizontal guide sheave.
In order to prevent wire rope double swerve in vertical plane, above-mentioned every root wire rope also is equipped with a vertical guide sheave, and wire rope is walked around from vertical guide sheave.
The beneficial effects of the utility model are:
1, utilizes internal friction and air damping mechanism between the glutinousness of fluid engineering liquid water and liquid layer, by flexible machinery and the physical action of measuring tube, effectively the floating overlayer of shielding dirt guarantees that to the influence of ultrasonic probe beams reflected reflected beam is the true liquid level of sewage.
2, can effectively eliminate of the influence of forebay sewage level, keep ultrasonic probe to detect the stable of sewage level, guarantee accuracy and the reliability measured than great fluctuation process.
3, guarantee that the device outside do not corroded dependable performance, long service life by cesspool sewage.
4, simple in structure, help normal inspection, cleaning, dismounting and maintenance.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the flexible structure of measuring tube and a flexible connection layout of measuring tube and wire rope in the utility model.
Fig. 3 is the layout synoptic diagram of hoist and traction machine structure and level in the utility model, vertical guide sheave.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 3, mounting platform 1 is arranged on the top of sewage treatment plant sewage forebay, the hoist and traction machine structure is installed on mounting platform 1, this hoist and traction machine structure is made of motor 5, speed reduction unit 6 and cylinder 7, wherein the output shaft of motor 5 is connected with the input end of speed reduction unit 6, central shaft in the output terminal of speed reduction unit 6 and the cylinder 7 is connected, and around being with two wire rope 3, these two wire rope all are connected with the measurement tins 4 of stretching on cylinder 7.Described flexible measurement tube 4 is made of filter cone body 4b and 3 joint cylindrical shell 4a at least, and the joint number of cylindrical shell 4a determines that according to actual needs present embodiment middle cylinder body 4a is 5 joints.A joint cylindrical shell kink is on adjacent with it on the joint cylindrical shell wherein, by two cylindrical shell abutting end settings to carve mouthful flange spacing, a uppermost joint cylindrical shell 4a is fixed on the mounting platform 1, and this installs ultrasonic probe 2 in inside on a joint cylindrical shell 4a top topmost.Filter cone body 4b is installed in bottom at a bottom joint cylindrical shell 4a, 4b is up big and down small for this filter cone body, and the surface of filter cone body 4b and several from above second joint cylindrical shell 4a is distributed with several through holes, and the through hole total area of the second joint cylindrical shell 4a is greater than the through hole total area on the filter cone body 4b.
As can be known, filter cone body 4b is connected with a nethermost joint cylindrical shell 4a by the fast-assembling flange from Fig. 1, Fig. 2, and the bottom surface of this filter cone body 4b raises up, and forms bocca, and the angle of this bocca and filter cone body 4b is provided with the slit.Described two wire rope 3 pass the collar of a bottom joint cylindrical shell 4a bottom opposite side respectively, introduce flexible the measurement in the tube 4, and be fixed on the inwall of one joint cylindrical shell 4a bottom, the top, on the inside and outside wall of middle each cylindrical shell 4a, also being provided with the collar, wire rope passes from this collar.
Further as can be known, described every root wire rope 3 is equipped with two horizontal guide sheaves 8 and a vertical guide sheave 9 from Fig. 1, Fig. 2, and each angle sheave is installed on the mounting platform 1.Described two horizontal guide sheave 8 mutual dislocation, and live apart in the both sides of corresponding wire rope 3, this wire rope 3 is walked around from vertical guide sheave 9 after walking around from horizontal guide sheave 8 again.Horizontal guide sheave 8 and vertical guide sheave 9 combinations prevent that wire rope 3 from shaking.Simultaneously, also be provided with strainer on the next door of horizontal guide sheave 8, wire rope 3 passes from this strainer, by the effect of strainer, can guarantee that wire rope 3 keeps tensioning.
Principle of work of the present utility model is as follows:
The running of motor 5 forwards, and drive cylinders 7 by speed reduction unit 6 and be rotated in the forward, make wire rope 3 transfer the flexible bottom one joint cylindrical shell of measuring tube 4, under the effect of gravity, contract and measure tube 4 elongation downwards, the flexible lower end of measuring tube 4 extend under the liquid level of sewage treatment plant forebay, the flexible liquid level of measuring in the tube 4 is concordant with the liquid level of forebay, but floating dirt overlayer is shielded in the flexible outside of measuring tube 4 on the liquid level of forebay, simultaneously, the fluctuation of forebay liquid level can not influence the flexible liquid level of measuring tube 4, guaranteed so flexible measure detect in the tube 4 liquid levels steadily, guaranteed accuracy and reliability by the ultrasonic probe measuring liquid level.
Claims (6)
1. ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system, comprise mounting platform (1) and ultrasonic probe (2), it is characterized in that: go up at described mounting platform (1) the hoist and traction machine structure is installed, the wire rope (3) of drawing on this hoist and traction machine structure is connected with the flexible tube (4) of measuring, described hoist and traction machine structure is flexible by wire rope (3) the flexible measurement tube of control (4), the described flexible top of measuring tube (4) is fixed on the mounting platform (1), in the flexible inside of measuring tube (4) upper end ultrasonic probe (2) is installed.
2. the ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system according to claim 1, it is characterized in that: described flexible measurement tube (4) is made of filter cone body (4b) and 3 joint cylindrical shells (4a) at least, a joint cylindrical shell kink is on adjacent with it on the joint cylindrical shell wherein, by two cylindrical shell abutting end settings to carve mouthful flange spacing, a uppermost joint cylindrical shell (4a) is fixed on the mounting platform (1), filter cone body (4b) is installed in bottom at a bottom joint cylindrical shell (4a), this filter cone body (4b) is up big and down small, and the surface of filter cone body (4b) and several from above second joint cylindrical shells (4a) is distributed with through hole.
3. the ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system according to claim 2, it is characterized in that: described filter cone body (4b) is connected with a nethermost joint cylindrical shell (4a) by the fast-assembling flange, the bottom surface of this filter cone body (4b) raises up, form bocca, the angle of this bocca and filter cone body (4b) is provided with the slit.
4. the ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system according to claim 2, it is characterized in that: described hoist and traction machine structure is by motor (5), speed reduction unit (6) and cylinder (7) constitute, wherein the output shaft of motor (5) is connected with the input end of speed reduction unit (6), central shaft in the output terminal of speed reduction unit (6) and the cylinder (7) is connected, go up around being with two wire rope (3) at cylinder (7), these two wire rope (3) pass the collar of bottom joint cylindrical shell (4a) bottom opposite side respectively, introduce flexible the measurement in the tube (4), and be fixed on the inwall of one joint cylindrical shell (4a) bottom, the top.
5. the ultrasonic wave liquid level measuring apparatus that is used for the municipal sewage treatment automatic control system according to claim 4, it is characterized in that: described every root wire rope (3) is equipped with two horizontal guide sheaves (8), this two horizontal guide sheaves (8) mutual dislocation, and live apart in the both sides of corresponding wire rope (3), this wire rope (3) is walked around from horizontal guide sheave (8).
6. according to claim 4 or the 5 described ultrasonic wave liquid level measuring apparatus that are used for the municipal sewage treatment automatic control system, it is characterized in that: described every root wire rope (3) also is equipped with a vertical guide sheave (9), and wire rope (3) is walked around from vertical guide sheave (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201287766U CN201463987U (en) | 2009-09-08 | 2009-09-08 | Ultrasonic wave liquid level measuring device for urban sewage treatment automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201287766U CN201463987U (en) | 2009-09-08 | 2009-09-08 | Ultrasonic wave liquid level measuring device for urban sewage treatment automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463987U true CN201463987U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201287766U Expired - Fee Related CN201463987U (en) | 2009-09-08 | 2009-09-08 | Ultrasonic wave liquid level measuring device for urban sewage treatment automatic control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN201463987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595811A (en) * | 2016-11-29 | 2017-04-26 | 新疆广陆能源科技股份有限公司 | Ultrasonic material level meter and measurement method thereof |
| GB2570963A (en) * | 2018-02-07 | 2019-08-14 | Floodflash Ltd | Device and method for sensing the level of naturally-occuring water, and method for installation of such a device |
-
2009
- 2009-09-08 CN CN2009201287766U patent/CN201463987U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595811A (en) * | 2016-11-29 | 2017-04-26 | 新疆广陆能源科技股份有限公司 | Ultrasonic material level meter and measurement method thereof |
| GB2570963A (en) * | 2018-02-07 | 2019-08-14 | Floodflash Ltd | Device and method for sensing the level of naturally-occuring water, and method for installation of such a device |
| WO2019155222A1 (en) * | 2018-02-07 | 2019-08-15 | Floodflash Ltd | Device and method for sensing the level of naturally-occurring water, and method for installation of such a device |
| GB2578564A (en) * | 2018-02-07 | 2020-05-20 | Floodflash Ltd | Device and method for sensing the level of naturally-occurring water, and method for installation of such a device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20110908 |