CN217277140U - Synchronous collection device of sewage and sediment sample for drainage inspection well - Google Patents
Synchronous collection device of sewage and sediment sample for drainage inspection well Download PDFInfo
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- CN217277140U CN217277140U CN202220947325.0U CN202220947325U CN217277140U CN 217277140 U CN217277140 U CN 217277140U CN 202220947325 U CN202220947325 U CN 202220947325U CN 217277140 U CN217277140 U CN 217277140U
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Abstract
The utility model discloses a synchronous collection system of sewage and deposit sample for drainage inspection shaft, include: the sediment sampling shovel is used for acquiring sediment at the bottom of a drainage inspection well; a dissolved oxygen instrument and an oxidation-reduction potentiometer; and the sewage pumping and injecting device, the water sample bottle and the water taking suction pipe are connected through the three-way valve, and the sewage pumping and injecting device utilizes the water taking suction pipe to collect sewage in the drainage inspection well and inject the sewage into the water sample bottle. The utility model discloses carry out integration with sewage sample collection equipment and deposit sample collection equipment, realize having improved work efficiency to the synchronous collection of sewage and deposit sample, guaranteed the ageing of sample collection, can the normal position obtain the data of sewage sample in real time moreover, improve the degree of accuracy of sewage sample data.
Description
Technical Field
The utility model relates to a sewage detection technology field, concretely relates to drainage inspection is synchronous collection system of sewage and deposit sample for well.
Background
The drainage inspection well is an accessory structure which is arranged in the urban and rural drainage systems for facilitating regular inspection and maintenance of the drainage systems, and is an important component for ensuring the stable operation of the drainage systems. The characteristics of the sewage quality and the sediments in the drainage inspection well can reflect the running state of the whole drainage system, so that the method has important significance for analyzing the running condition of the drainage system, determining the operation and maintenance period of the drainage system and developing related scientific researches.
As the drainage pipeline is generally embedded deeply, sewage and sediment samples are usually collected by manual underground, the difficulty of field sample collection is high, the risk is high, and the sample collection quality is poor; or an aboveground step-by-step container lifting sampling method is adopted, namely a traditional sewage sampler is used for collecting sewage samples, and then a sediment sampler is used for collecting sediment samples, specifically: the sewage sampler connected with a rope or a connecting rod is sunk into the liquid level of the inspection well, the sewage is lifted to the earth surface after the sampler is filled with the sewage, the sewage sample in the sampler is transferred to the sample bottle, then the sediment sampler connected with the connecting rod is extended into the bottom of the inspection well to scrape the sediment sample, the sampler is lifted to the earth surface and then transferred to the sample bottle, and the sample bottle is brought back to a laboratory for detection.
However, the above sampling method has at least three main disadvantages:
firstly, the sewage sampling and sediment sampling processes are separated, the work is repeated, the time consumption is long, and the obtained sewage and sediment samples have different sampling time, so that the subsequent data analysis is not facilitated;
secondly, the fixed-depth collection of the sewage sample cannot be realized, and the sample has poor representativeness;
and thirdly, the sample can be detected only after being lifted out of the water surface by the container, and the acquisition of indexes such as dissolved oxygen, oxidation-reduction potential and the like which need in-situ measurement cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a synchronous collection system of sewage and deposit sample for drainage inspection well has solved the work trouble that current sewage collection sampling mode exists, the sample is representative poor to and the unable project that needs in the normal position detection under the surface of water of realizing.
In order to solve the technical problem, the utility model provides a following technical scheme: a synchronous collection device for sewage and sediment samples for drainage inspection wells comprises:
a sediment sampling shovel for obtaining sediment at the bottom of a drainage inspection well;
the dissolved oxygen instrument is provided with a dissolved oxygen probe, and the dissolved oxygen instrument acquires the information of the dissolved oxygen in the sewage in the drainage inspection well on line by using the dissolved oxygen probe;
the oxidation-reduction potential instrument is provided with an oxidation-reduction potential probe, and the oxidation-reduction potential instrument acquires oxidation-reduction potential information in the sewage in the drainage inspection well by using the oxidation-reduction potential probe;
through sewage pumping and injecting device, water sample bottle and the water intaking straw of three-way valve connection, sewage pumping and injecting device utilizes the water intaking straw to follow gather sewage and in the injection water sample bottle in the drainage inspection shaft.
Exemplarily, sediment sample shovel includes the sample shovel head, the end-to-end connection of sample shovel head has the freely movable joint, the freely movable joint has sample shovel control handle through sample shovel bushing joint, the intraductal floodgate line that is provided with of sample shovel cover, the both ends of floodgate line connect respectively in freely movable joint and sample shovel control handle.
Furthermore, the three-way valve is connected with the water taking suction pipe through a water taking hose.
Furthermore, the device also comprises a floating plate, and the dissolved oxygen probe, the oxidation-reduction potential probe and the water intake suction pipe are arranged on the floating plate.
Furthermore, the floating plate is provided with three insertion holes, and the dissolved oxygen probe, the oxidation-reduction potential probe and the water intake suction pipe are respectively inserted into the insertion holes.
Further, the device comprises a pipeline restraining device, wherein the pipeline restraining device is used for restraining the pipeline of the sediment sampling shovel, the dissolved oxygen instrument, the oxidation-reduction potential instrument and the water taking suction pipe.
Furthermore, the pipeline restraint device comprises a retraction device, the pipeline restraint device is connected with the retraction device, and the retraction device is used for adjusting the position of the pipeline restraint device.
Illustratively, the retraction device comprises a pulling device or a winding device.
Illustratively, the sewage pumping and injecting device comprises a water storage pipe communicated with the three-way valve, and a pressure adjusting assembly is arranged on the water storage pipe.
Compared with the prior art, the utility model discloses a synchronous collection system of sewage and deposit sample for drainage inspection well has following beneficial effect:
1. the utility model integrates the sewage sample collecting device and the sediment sample collecting device, realizes the synchronous collection of the sewage sample and the sediment sample, improves the working efficiency and ensures the timeliness of the sample collection;
2. the sampling depth of the water intake suction pipe can be set according to requirements, so that the sewage sample collection precision is high, and the sample representativeness is good;
3. the utility model discloses a dissolved oxygen probe and redox potential probe are in close position with the water intaking straw, can the normal position obtain the dissolved oxygen and the redox potential data of sewage sample in real time, improve the degree of accuracy of sewage sample data.
Drawings
FIG. 1 is a system block diagram of a device for synchronously collecting sewage and sediment samples for a drainage inspection well according to the present invention;
FIG. 2 is a flow chart of sampling by using the synchronous collecting device for sewage and sediment samples for drainage inspection wells.
In the figure: 1. a water intake straw; 2. a dissolved oxygen probe; 3. an oxidation-reduction potential probe; 4. a floating plate; 5. a water intake hose; 6. a sediment sampling shovel; 7. a sampling shovel casing pipe; 8. a flexible conduit; 9. a windlass; 10. a three-way valve; 11. an injector; 12. a water sample bottle; 13. a sampling shovel control handle; 14. a dissolved oxygen instrument; 15. an oxidation-reduction potentiometer.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Aiming at the problems existing in the scheme of lifting and sampling the aboveground distributed container mentioned in the background technology, the utility model needs to realize the synchronous collection of sewage and sediment samples; the fixed-depth collection of the sewage sample is realized, and the sample representativeness is improved; and realizing in-situ acquisition of indexes such as dissolved oxygen, oxidation-reduction potential and the like which need in-situ measurement.
Referring to fig. 1, the utility model discloses a synchronous collection system of sewage and sediment sample for drainage inspection well, includes:
the sediment sampling shovel 6 is used for acquiring sediment at the bottom of a drainage inspection well;
the dissolved oxygen instrument 14 is provided with a dissolved oxygen probe 2 connected with a lead, and the dissolved oxygen probe 2 is inserted into the sewage, so that the dissolved oxygen information in the sewage can be acquired online through the dissolved oxygen instrument 14;
the oxidation-reduction potential meter 15 is provided with an oxidation-reduction potential probe 3 connected with a lead, and oxidation-reduction potential information in the sewage can be acquired on line through the oxidation-reduction potential meter 15 by inserting the oxidation-reduction potential probe 3 into the sewage;
and a sewage pumping and injecting device, a water sample bottle 12 and a water intake suction pipe 1 which are connected through a three-way valve 10, wherein the sewage pumping and injecting device can collect sewage from a drainage inspection well by using the water intake suction pipe 1 and inject the sewage into the water sample bottle 12.
The dissolved oxygen meter 14 and the oxidation-reduction potentiometer 15 are the existing detection equipment, and the utility model discloses do not describe here any more.
After the sediment sampling shovel 6 is inserted into the bottom of the drainage inspection well, a sediment sample at the bottom of the well can be shoveled for analysis of sediment components and the like. Referring to fig. 1, in this embodiment, sediment sample shovel 6 includes the sample shovel head, the sample shovel head includes two arc portions that connect through the pivot, fold after scraping the shaft bottom deposit and fold and can ensure to take out the sample shovel the time deposit and can not drop, in order to operate the action of sample shovel head, therefore two arc portion ends of sample shovel head are connected with freely movable joint respectively, can drive the arc portion when freely movable joint moves and fold or part, freely movable joint is connected with sample shovel control handle 13 through sample shovel sleeve pipe 7, be provided with the brake cable in the sample shovel sleeve pipe 7, the both ends of brake cable are connected respectively in freely movable joint and sample shovel control handle 13, when pinching sample shovel control handle 13, the tensioning of brake cable, make the end of two freely movable joints upwards lift, thereby make two arc portions fold and accomplish the sample save to the deposit. It can be understood that sample shovel sleeve pipe 7 is made for the material that has certain deformation, and it both can be when pinching sample shovel control handle 13 messenger brake cable tensioning sample shovel sleeve pipe 7 length can not shorten, will conveniently buckle when using again, therefore sample shovel sleeve pipe 7 can be the bellows or the stereoplasm plastic tubing that can buckle.
Further, the water intake suction pipe 1 is located below the water level of the drainage inspection well, and one passage of the three-way valve 10 is connected to the water intake suction pipe 1 by the water intake hose 5 so that the water intake suction pipe 1 is connected thereto and the connection pipe can be bent as necessary during use.
In the prior art, because the sewage sampler is sunk into sewage of the drainage inspection well, the sewage sampler is lifted out of a well mouth when the sewage is filled with the sewage sampler, and then the sewage is poured into a water sample bottle for storage. Further, in order to make dissolved oxygen probe 2, oxidation reduction potential probe 2 and water intaking straw 1 be located below the sewage liquid level, and realize that dissolved oxygen, oxidation reduction potential etc. put the normal position that needs at the index of sewage sample normal position survey and acquire, the utility model discloses still include kickboard 4, dissolved oxygen probe 2, oxidation reduction potential probe 3 and water intaking straw 1 set up on kickboard 4. It can be understood that the floating plate 4 needs to float on the water surface, so it can be made of foam material or be of an inflatable structure, and the utility model discloses do not limit to this. Because the floating plate 4 can float on the sewage surface, so set up the dissolved oxygen probe 2, the oxidation reduction potential probe 3 and the water intaking straw 1 on the floating plate 4, can ensure that the dissolved oxygen probe 2, the oxidation reduction potential probe 3 and the water intaking straw 1 are in the sewage surface below, and because the dissolved oxygen probe 2, the oxidation reduction potential probe 3 is close to the water intaking position of the water intaking straw 1, therefore can realize the in situ data acquisition to the sewage sample original position, improve the accuracy of the measured data of the dissolved oxygen meter 14 and the oxidation reduction potential meter 15.
The dissolved oxygen probe 2, the oxidation-reduction potential probe 3 and the water intake straw 1 can be disposed on the floating plate 4 in various ways, for example, the dissolved oxygen probe 2, the oxidation-reduction potential probe 3 and the water intake straw 1 can be glued to the side or bottom of the floating plate 4, so that the dissolved oxygen probe 2, the oxidation-reduction potential probe 3 and the water intake straw 1 are all located below the sewage liquid level. In this embodiment, the floating plate 4 is specifically a foam plate, and in order to more conveniently fix the dissolved oxygen probe 2, the oxidation-reduction potential probe 3, and the water intake straw 1, three insertion holes are provided on the floating plate 4, and the dissolved oxygen probe 2, the oxidation-reduction potential probe 3, and the water intake straw 1 are respectively inserted into the corresponding insertion holes.
Preferably, be provided with the scale on the water intaking straw 1, make things convenient for the sampling personnel to adjust the sample depth to sewage through the scale.
Preferably, in order to realize simultaneously that sewage sample, sewage data detect and deposit sample, consequently the utility model discloses need assemble the use with corresponding equipment, consequently still include pipeline restraint device, pipeline restraint device is used for retraining the pipeline of deposit sample shovel 6, dissolved oxygen appearance 13, oxidation reduction potential appearance 14 and water intaking straw 1. Specifically, the pipeline restraint device can select a snakeskin pipe 8, the sampling shovel sleeve 7 of the sediment sampling shovel 6, a lead connected with the dissolved oxygen probe 2 of the dissolved oxygen meter 13, a lead between the oxidation reduction potential meter 14 and the oxidation reduction potential probe 2 and the water taking hose 5 are all sleeved on the snakeskin pipe 8, the position of the sampling shovel head of the sediment sampling shovel 6 is adjusted, the depth of the dissolved oxygen probe 2, the oxidation reduction potential probe 3 and the water taking suction pipe 1 inserted into the floating plate 4 can be determined, and the depth of each device during sampling and obtaining related data can be determined.
Furthermore, in order to conveniently place each sampling and detecting device into the sewage of the drainage inspection well and lift each device out of the well mouth after sampling and detecting, the system also comprises a retracting device, and the lowering and lifting of each device are realized through the retracting device. Preferably, the pipeline restraining device is connected to the winding and unwinding device, and the winding and unwinding device can adjust the lifting position of each device by adjusting the position of the flexible conduit 8. Illustratively, the retraction device includes a lifting device for taking a sample and lifting the coiled tubing 8 by lifting or lowering the coiled tubing 8, or a winding device for taking a sample and lifting the coiled tubing 8 after completion. In this embodiment, the winding device is a windlass 9 provided at a well head of a drainage inspection well, a bellows tube 8 is wound around the windlass 9, and when the windlass 9 is released, a sediment sampling shovel 6, a floating plate 4, a probe on the floating plate 4, and a water intake suction pipe 1 are lowered into sewage to perform sampling and data detection, and after the completion, the windlass 9 is rotated to wind the bellows tube 8 around the windlass 9, and the above components are lifted out of the well head.
Further, the sewage pumping and injecting device comprises a water storage pipe communicated with the three-way valve 10, and a pressure adjusting assembly is arranged on the water storage pipe. The water taking suction pipe 1, the water taking hose 5 and the water storage pipe can form a communicated pipeline by adjusting the three-way valve 10, then negative pressure can be formed in the water storage pipe by controlling the pressure adjusting assembly, and sewage at the water taking suction pipe 1 is sucked into the water storage pipe through the water taking hose 5; also can adjust three-way valve 10 and make water intaking pipeline close, water sample bottle 12 and standpipe intercommunication, then control pressure regulating assembly makes the interior malleation that forms of standpipe to accomplish the sewage sample and preserve in the sewage injection water appearance bottle 12 in with the standpipe. The pressure regulating assembly may be of an automated or manually operated construction, with the automated construction being selectable for the air pump.
In this embodiment, the sewage pumping and injecting apparatus selects the injector 11, and the front end of the injector 11 is communicated with one port of the three-way valve 10, so that negative pressure is formed in the injector when the rod of the injector 11 is pumped outward, and positive pressure is formed in the injector when the rod is pushed inward.
The collecting system of the utility model wraps all pipelines of the sediment sampling shovel 6, the dissolved oxygen meter 14, the oxidation-reduction potentiometer 15 and the water taking hose 5 through the flexible hose 8, thereby realizing the simultaneous work after each device enters water and the one-time lifting of all devices out of the well mouth after the work is finished, thereby greatly improving the work efficiency; the floating plate 4 can ensure the water taking depth of the water taking straw 1 and obtain information such as dissolved oxygen, oxidation-reduction potential data and the like of the water taking position, so that the sampled sample has good representativeness and accurate data acquisition; the windlasss 9 can be used for realizing the synchronous release and lifting of all equipment, thereby reducing the labor capacity of workers and shortening the working time.
Referring to fig. 2, the present invention also discloses a method for sampling by using the synchronous collecting device, which comprises the following steps:
a dissolved oxygen probe 2, an oxidation-reduction potential probe 3 and a water intake suction pipe 1 are fixed on a floating plate 4, the sampling depth of the water intake suction pipe 1 can be adjusted according to requirements, and then a sediment sampling shovel 6 and the floating plate 4 are placed into sewage of a drainage inspection well by a windlass 9;
when the sediment sampling shovel 6 reaches the bottom of the well, the floating plate 4 floats on the surface of the sewage, and the sediment sampling shovel 6 is controlled to be closed to obtain a sediment sample; acquiring and recording dissolved oxygen data of a sewage sampling position through a dissolved oxygen meter 14; acquiring and recording oxidation-reduction potential information of a sewage sampling position through an oxidation-reduction potentiometer 15; adjusting the three-way valve to communicate the pipeline between the water taking hose 5 and the injector 11 and close the pipeline of the water sample bottle 12, pumping the injector 11 outwards to enable the injector 11 to discharge the air in the water taking suction pipe 1 and the water taking hose 5 firstly and then suck the sewage, adjusting the three-way valve 10 to communicate the pipeline between the water sample bottle 12 and the injector 11 and close the pipeline of the water taking hose 5 after enough sewage is sucked in the injector 11, and pressing the injector 11 inwards to inject the sucked sewage into the water sample bottle 12 for sample storage;
and finally, lifting the sediment sampling shovel 6 and the floating plate 4 out of the well mouth of the drainage inspection well by using the windlass 9, opening the sediment sampling shovel 6 and transferring the sediment in the sediment sampling shovel to a sampling bottle, and thus synchronously collecting sewage and sediment samples for the drainage inspection well.
Furthermore, after the sewage sampling is completed and the sewage is injected into the water sample bottle 12, the water intake hose 5 and the water intake suction pipe 1 can be cleaned, the three-way valve 10 is firstly adjusted to enable the injector 11 to be communicated with the water intake pipeline and seal the pipeline of the water sample bottle, then the injector 11 is pulled out to absorb air, the injector 11 is communicated with the three-way valve 10 and then the air is injected into the water intake pipeline to empty the sewage in the water intake pipeline, then the injector 11 is pulled out to absorb the clean water and inject the clean water into the water intake pipeline to clean, and finally the injector 11 is pulled out to absorb the air for the second time and inject the air into the water intake pipeline to empty the clean water in the water intake pipeline.
The utility model discloses a method easy operation, but the concurrent operation carries out the sample of deposit and sewage moreover and to the real-time online acquisition of the data of sampling position, has practiced thrift the sample time, has alleviateed sample personnel's work load.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a synchronous collection system of sewage and deposit sample for drainage inspection well which characterized in that: comprises that
A sediment sampling shovel for obtaining sediment at the bottom of a drainage inspection well;
the dissolved oxygen instrument is provided with a dissolved oxygen probe, and the dissolved oxygen instrument acquires the information of the dissolved oxygen in the sewage in the drainage inspection well on line by using the dissolved oxygen probe;
the oxidation-reduction potential instrument is provided with an oxidation-reduction potential probe, and the oxidation-reduction potential instrument acquires oxidation-reduction potential information in the sewage in the drainage inspection well by using the oxidation-reduction potential probe;
and the sewage pumping and injecting device, the water sample bottle and the water taking suction pipe are connected through the three-way valve, and the sewage pumping and injecting device utilizes the water taking suction pipe to collect sewage from the drainage inspection well and inject the sewage into the water sample bottle.
2. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 1, wherein the device comprises: deposit sample shovel is including sample shovel head, the end-to-end connection of sample shovel head has the freely movable joint, the freely movable joint has sample shovel control handle through sample shovel bushing, the intraductal floodgate line that is provided with of sample shovel cover, the both ends of floodgate line connect respectively in freely movable joint and sample shovel control handle.
3. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 1, is characterized in that: the three-way valve is connected with the water taking suction pipe through a water taking hose.
4. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 1, is characterized in that: the device also comprises a floating plate, wherein the dissolved oxygen probe, the oxidation-reduction potential probe and the water intake suction pipe are arranged on the floating plate.
5. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 4, is characterized in that: the floating plate is provided with three jacks, and the dissolved oxygen probe, the oxidation-reduction potential probe and the water intake suction pipe are respectively inserted into the jacks.
6. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 1, wherein the device comprises: the device also comprises a pipeline restraining device which is used for restraining pipelines of the sediment sampling shovel, the dissolved oxygen meter, the oxidation-reduction potential meter and the water taking suction pipe.
7. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 6, wherein the device comprises: the pipeline restraining device is connected with the winding and unwinding device, and the winding and unwinding device is used for adjusting the position of the pipeline restraining device.
8. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 7, wherein the device comprises: the winding and unwinding device comprises a lifting device or a winding device.
9. The device for synchronously collecting the sewage and sediment samples for the drainage inspection well according to claim 1, is characterized in that: the sewage pumping and injecting device comprises a water storage pipe communicated with the three-way valve, and a pressure adjusting assembly is arranged on the water storage pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220947325.0U CN217277140U (en) | 2022-04-22 | 2022-04-22 | Synchronous collection device of sewage and sediment sample for drainage inspection well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220947325.0U CN217277140U (en) | 2022-04-22 | 2022-04-22 | Synchronous collection device of sewage and sediment sample for drainage inspection well |
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| CN217277140U true CN217277140U (en) | 2022-08-23 |
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| CN202220947325.0U Active CN217277140U (en) | 2022-04-22 | 2022-04-22 | Synchronous collection device of sewage and sediment sample for drainage inspection well |
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