CN115014863A - Be suitable for petroleum class pollutant monitoring water quality sampling device - Google Patents

Be suitable for petroleum class pollutant monitoring water quality sampling device Download PDF

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Publication number
CN115014863A
CN115014863A CN202210728583.4A CN202210728583A CN115014863A CN 115014863 A CN115014863 A CN 115014863A CN 202210728583 A CN202210728583 A CN 202210728583A CN 115014863 A CN115014863 A CN 115014863A
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sampling
disc
glass bottle
driving
small
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CN202210728583.4A
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CN115014863B (en
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王丹君
张小红
李莉霞
张晓缝
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Changsha Environmental Protection College
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Changsha Environmental Protection College
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention belongs to the technical field of water quality monitoring and sampling, and particularly relates to a water quality sampling device suitable for monitoring petroleum pollutants. The upper port and the lower port of the sampling narrow-neck glass bottle are respectively embedded with a small flap piston and a large flap piston in a sealing manner, two ends of the small flap piston and the large flap piston are respectively connected with a small transmission disc and a large transmission disc outside through connecting shafts, and the connecting shafts are in sealing connection with the side wall of the sampling narrow-neck glass bottle through sealing shaft sleeves; an immersed servo motor is clamped in the middle of the rear end of the horseshoe-shaped plumb bob, a small driving disc and a large driving disc are respectively connected in the middle and outside of a driving connecting rod connected with the immersed servo motor, and the driving discs are connected with a transmission disc through a belt. It utilizes the water pressure difference of port to realize the column sampling about the sampling bottle, makes the sampling more representative, and utilizes the control sampling capacity that convertible piston structure can be accurate to satisfy diversified detection demands such as later stage addition preservative agent.

Description

Be suitable for petroleum class pollutant monitoring water quality sampling device
Technical Field
The invention belongs to the technical field of water quality monitoring and sampling, and particularly relates to a water quality sampling device suitable for monitoring petroleum pollutants.
Background
The environmental protection industry standard HJ/T91-2002 of the people's republic of China stipulates in the technical Specification for monitoring surface water and sewage: oil sampling: before sampling, a possible oil film is destroyed, a glass container is arranged in a support of a water sampler by a vertical water sampler, the glass container is placed to the depth of 300mm, water is sampled while the glass container is lifted upwards, and a proper space is left when the glass container reaches the water surface. And (3) determining an oil water sample, namely collecting a columnar water sample from the water surface to 300mm, and independently sampling, wherein all the columnar water samples are used for determination.
As shown in fig. 1, the conventional sampling device is composed of a fixed hurdle a, a glass sampling bottle B, a piston C, a floating platform D and an operation zipper E, and has the following disadvantages: 1. sampling is not uniform and is not representative; 2. the sampling capacity of the glass sampling bottle is inaccurate, and no reserved space exists; 3. the conflict of water inflow and exhaust occurs in the water inflow process, the surrounding water body of the sampling port is disturbed, and the later-stage monitoring data is influenced.
Disclosure of Invention
Aiming at solving the problems of the defects and the shortcomings of the prior art; the invention aims to provide a water quality sampling device for monitoring petroleum pollutants, which has a simple structure, reasonable design and convenient use, realizes the columnar sampling of the petroleum polluted water by using the water pressure difference of the upper port and the lower port of a sampling bottle, ensures that the sampling is more representative, and can accurately control the sampling capacity by using a turnover piston structure so as to meet the requirement of later detection.
In order to achieve the purpose, the invention adopts the technical scheme that: the device comprises a sampling narrow-neck glass bottle, a large flap piston, a connecting shaft, a sealing shaft sleeve, a large transmission disc, a small flap piston, a small transmission disc, a horseshoe-shaped plumb bob, a driving connecting rod, a large driving disc, a small driving disc, a short elastic belt, a long elastic belt and an immersed servo motor; the upper end and the lower end of the sampling narrow-neck glass bottle are provided with openings, a small turning plate piston and a large turning plate piston are respectively embedded in the upper port and the lower port of the sampling narrow-neck glass bottle in a sealing manner, the two ends of the small turning plate piston and the large turning plate piston are respectively connected with a small transmission disc and a large transmission disc outside through connecting shafts, and the connecting shafts are in sealing connection with the side wall of the sampling narrow-neck glass bottle through sealing shaft sleeves; the middle of sampling thin neck glass bottle cup joint and be fixed with the horseshoe plumb, the joint has submergence formula servo motor in the middle of the rear end of horseshoe plumb, submergence formula servo motor's both ends are connected with coaxial drive's drive connecting rod, the centre and the outside of drive connecting rod are connected with little driving-disc, big driving-disc respectively, be connected through short elastic belt between little driving-disc and the little driving-disc, be connected through long elastic belt between big driving-disc and the big driving-disc.
Preferably, the lower surface of the horseshoe-shaped plumb is connected with a floating wood, the rear end of the upper surface of the horseshoe-shaped plumb is provided with a connecting rod caulking groove, the inner side of the connecting rod caulking groove is provided with a driving disc limiting caulking groove, and the top end of the inner side of the horseshoe-shaped plumb is provided with a limiting clamping groove.
Preferably, a pair of Bu-shaped limiting neck bottle pieces are arranged on the inner sides of the two arms of the horseshoe-shaped plumb bob, and the Bu-shaped limiting neck bottle pieces limit and fix the sampling thin-neck glass bottle so that the sampling thin-neck glass bottle and the horseshoe-shaped plumb bob are kept in a vertical state.
Preferably, the outer sides of the large flap piston and the small flap piston are provided with a circle of frosted edge, and the frosted edge is attached to the inner walls of the upper port and the lower port of the sampling narrow-neck glass bottle, so that the sealing structure of the large flap piston, the small flap piston and the ports is realized.
Preferably, the large driving disc, the small driving disc, the large driving disc and the small driving disc are provided with concave tooth grooves in the middle, and the tooth grooves are meshed with the short elastic belt and the long elastic belt to realize transmission.
Preferably, the floating wood balances the weight of the horseshoe-shaped plumb hammer and stabilizes the posture of the horseshoe-shaped plumb hammer, so that the lower port of the sampling narrow-neck glass bottle is suspended between 300mm and 350mm underwater.
Preferably, the immersed servo motor is fixed in the limiting clamping groove and is connected with the external manipulator through a connecting wire.
After adopting the structure, the invention has the beneficial effects that: it utilizes the water pressure difference of port about the sampling bottle to realize the column sampling of petroleum class contaminated water, and static sampling does not have the disturbance, makes the sampling more representative, and utilizes the control sampling capacity that convertible piston structure can be accurate to satisfy various detection demands such as later stage addition preservative agent.
Drawings
To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.
FIG. 1 is a drawing of the background art of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view showing the state of connection of the horseshoe plumb 8 of the present invention;
FIG. 4 is a schematic view of the horseshoe plumb 8 of the present invention;
FIG. 5 is a schematic view of the distribution of the sanding edge 15 of the present invention;
FIG. 6 is a schematic view of a drive disk of the present invention;
FIG. 7 is a schematic view of a sampling state of the present invention;
description of reference numerals: the device comprises a sampling narrow-neck glass bottle 1, a large flap piston 2, a connecting shaft 3, a sealing shaft sleeve 4, a large transmission disc 5, a small flap piston 6, a small transmission disc 7, a horseshoe-shaped plumb bob 8, a driving connecting rod 9, a large driving disc 10, a small driving disc 11, a short elastic belt 12, a long elastic belt 13, an immersed servo motor 14, a frosted edge 15, a connecting rod caulking groove 81, a driving disc limiting caulking groove 82, a limiting clamping groove 83, a floating wood 84 and a quasi-Bu-shaped limiting neck bottle part 85.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
Referring to fig. 2 to 7, the following technical solutions are adopted in the present embodiment: the device comprises a sampling narrow-neck glass bottle 1, a large flap piston 2, a connecting shaft 3, a sealing shaft sleeve 4, a large transmission disc 5, a small flap piston 6, a small transmission disc 7, a horseshoe-shaped plumb bob 8, a driving connecting rod 9, a large driving disc 10, a small driving disc 11, a short elastic belt 12, a long elastic belt 13 and an immersed servo motor 14;
the sampling thin-neck glass bottle 1 is provided with openings at the upper end and the lower end, a small turning plate piston 6 and a large turning plate piston 2 are respectively embedded in the upper port and the lower port of the sampling thin-neck glass bottle 1 in a sealing manner, two ends of the small turning plate piston 6 and the large turning plate piston 2 are respectively connected with a small transmission disc 7 and a large transmission disc 5 at the outer side through a connecting shaft 3, and the connecting shaft 3 is in sealing connection with the side wall of the sampling thin-neck glass bottle 1 through a sealing shaft sleeve 4;
the middle of sampling thin neck glass bottle 1 cup joint and be fixed with horseshoe-shaped plummet 8, joint has submergence formula servo motor 14 in the middle of the rear end of horseshoe-shaped plummet 8, submergence formula servo motor 14's both ends are connected with coaxial drive's drive connecting rod 9, the centre and the outside of drive connecting rod 9 are connected with little driving-disc 11 respectively, big driving-disc 10, be connected through short elastic belt 12 between little driving-disc 11 and the little drive disc 7, be connected through long elastic belt 13 between big driving-disc 10 and the big drive disc 5.
The lower surface of the horseshoe-shaped plumb bob 8 is connected with a floating wood 84, the rear end of the upper surface of the horseshoe-shaped plumb bob 8 is provided with a connecting rod caulking groove 81, the inner side of the connecting rod caulking groove 81 is provided with a driving disc limiting caulking groove 82, and the top end of the inner side of the horseshoe-shaped plumb bob 8 is provided with a limiting clamping groove 83; the floating wood 84 balances the weight of the horseshoe-shaped plumb 8 and stabilizes the posture of the horseshoe-shaped plumb 8, so that the lower port of the sampling narrow-neck glass bottle 1 is suspended between 300mm and 350mm underwater, the volume of the floating wood 84 can be freely adjusted according to the application requirement, the upper port of the sampling narrow-neck glass bottle 1 is exposed on the sampling water surface or is flush with the sampling water surface, and the height of the sampling narrow-neck glass bottle 1 exposed on the sampling water surface directly influences the sampling capacity.
In addition, a pair of limiting neck bottle parts 85 shaped like a Chinese character 'bo' are arranged on the inner sides of the two support arms of the horseshoe-shaped plumb bob 8, and the limiting neck bottle parts 85 shaped like the Chinese character 'bo' limit the sampling thin-neck glass bottle 1 to limit and fix, so that the sampling thin-neck glass bottle 1 and the horseshoe-shaped plumb bob 8 are kept in a vertical state. . And the inverted fork of the quasi-Bu-shaped limiting neck bottle part 85 can support the sampling narrow-neck glass bottle 1 to avoid shaking. And the copying handle is connected to the outer side of the horseshoe-shaped plumb bob 8, so that the sampling bottle can be conveniently lifted and stabilized.
Furthermore, the outer sides of the large flap piston 2 and the small flap piston 6 are provided with a circle of frosted edge 15, the frosted edge 15 is attached to the inner walls of the upper and lower ports of the sampling thin-neck glass bottle 1, and a sealing structure of the large flap piston 2, the small flap piston 6 and the ports is realized. The frosted edge 15 is made of rubber materials, so that the frosted edge 15 has better sealing property and elasticity, and the smoothness of rotary closing is improved; the middle of big driving disk 5, little driving disk 7, big driving disk 10, little driving disk 11 be provided with interior concave tooth's socket, the tooth's socket keeps meshing with short elastic belt 12, long elastic belt 13 and realizes the transmission, submergence formula servo motor 14 fix inside spacing draw-in groove 83, and submergence formula servo motor 14 is connected with external operation ware through the connecting wire.
The working principle of the specific embodiment is as follows: firstly, placing the sampling glass bottle 1 with the thin neck into a water body polluted by petroleum, driving the sampling glass bottle 1 with the horseshoe-shaped plumb bob 8 to sink integrally, and keeping the bottle mouth of the sampling glass bottle 1 level with the horizontal under the reverse action of the buoyancy of the floating wood 84, wherein the horseshoe-shaped plumb bob 8 is externally connected with a handle for assisting operation in the process; then, an immersed servo motor 14 is operated to rotate at a fixed angle, a large driving disc 10 and a small driving disc 11 are driven to synchronously rotate under the coordination of a driving connecting rod 9 which is coaxially connected, and then a short elastic belt 12 and a long elastic belt 13 are matched with a large driving disc 5 and a small driving disc 7, so that the large flap piston 2 and the small flap piston 6 are opened and closed; when the upper and lower ports of the narrow-necked glass bottle 1 are opened, polluted water enters from the bottom of the narrow-necked glass bottle 1, and air in the bottle is discharged from the upper port until the water level of the narrow-necked glass bottle 1 is kept flush; in addition, the capacity of sampling water can be adjusted by the height of the upper port of the narrow-neck glass bottle 1 exposed out of the water surface, so that various detection requirements can be met.
The invention realizes the columnar sampling of petroleum polluted water by using the water pressure difference of the upper port and the lower port of the sampling bottle, the static sampling is undisturbed, the sampling is more representative, and the sampling capacity can be accurately controlled by using the turnover piston structure, so as to meet the various detection requirements of adding a preservative agent in the later period and the like.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a be suitable for petroleum class pollutant monitoring water quality sampling device which characterized in that: the device comprises a sampling narrow-neck glass bottle (1), a large flap piston (2), a connecting shaft (3), a sealing shaft sleeve (4), a large transmission disc (5), a small flap piston (6), a small transmission disc (7), a horseshoe-shaped plumb bob (8), a driving connecting rod (9), a large driving disc (10), a small driving disc (11), a short elastic belt (12), a long elastic belt (13) and an immersed servo motor (14); the sampling thin-neck glass bottle (1) is provided with openings at the upper end and the lower end, a small turning plate piston (6) and a large turning plate piston (2) are respectively embedded in the upper port and the lower port of the sampling thin-neck glass bottle (1) in a sealing manner, the two ends of the small turning plate piston (6) and the large turning plate piston (2) are respectively connected with a small transmission disc (7) and a large transmission disc (5) on the outer side through a connecting shaft (3), and the connecting shaft (3) is in sealing connection with the side wall of the sampling thin-neck glass bottle (1) through a sealing shaft sleeve (4); the centre of sampling thin neck glass bottle (1) cup joint and be fixed with horse shoe shape plummet (8), the joint has submergence formula servo motor (14) in the middle of the rear end of horse shoe shape plummet (8), the both ends of submergence formula servo motor (14) are connected with coaxial drive's drive connecting rod (9), the centre and the outside of drive connecting rod (9) are connected with little driving-disc (11) respectively, big driving-disc (10), be connected through short elastic belt (12) between little driving-disc (11) and little driving-disc (7), be connected through long elastic belt (13) between big driving-disc (10) and big driving-disc (5).
2. The water sampling device for petroleum pollutant monitoring of claim 1, wherein: the lower surface of the U-shaped plumb bob (8) is connected with a floating wood (84), the rear end of the upper surface of the U-shaped plumb bob (8) is provided with a connecting rod caulking groove (81), the inner side of the connecting rod caulking groove (81) is provided with a driving disc limiting caulking groove (82), and the top end of the inner side of the U-shaped plumb bob (8) is provided with a limiting clamping groove (83).
3. The water sampling device for petroleum pollutant monitoring of claim 1, wherein: a pair of Bu-shaped limiting neck bottle pieces (85) are arranged on the inner sides of the two support arms of the U-shaped plumb bob (8), and the Bu-shaped limiting neck bottle pieces (85) limit and fix the sampling thin-neck glass bottle (1) to keep the sampling thin-neck glass bottle (1) and the U-shaped plumb bob (8) in a vertical state.
4. The water sampling device for petroleum pollutant monitoring of claim 1, wherein: the outer sides of the large flap piston (2) and the small flap piston (6) are provided with a circle of frosted edge covering (15), the frosted edge covering (15) is attached to the inner walls of the upper and lower ports of the sampling thin-neck glass bottle (1), and a sealing structure of the large flap piston (2), the small flap piston (6) and the ports is realized.
5. The water sampling device for petroleum pollutant monitoring of claim 1, wherein: the middle parts of the large driving disc (5), the small driving disc (7), the large driving disc (10) and the small driving disc (11) are provided with concave tooth grooves, and the tooth grooves are meshed with the short elastic belt (12) and the long elastic belt (13) to realize transmission.
6. The water sampling device suitable for monitoring petroleum pollutants as claimed in claim 2, wherein: the floating wood (84) balances the weight of the horseshoe-shaped plumb bob (8) and stabilizes the posture of the horseshoe-shaped plumb bob (8), so that the lower port of the sampling thin-necked glass bottle (1) is suspended between 300mm and 350mm under water.
7. The water sampling device suitable for monitoring petroleum pollutants as claimed in claim 2, wherein: the immersion type servo motor (14) is fixed inside the limiting clamping groove (83), and the immersion type servo motor (14) is connected with an external operator through a connecting wire.
8. The water sampling device suitable for monitoring petroleum pollutants as claimed in claim 2, wherein: the operating principle is as follows:
firstly, a sampling narrow-necked glass bottle (1) is placed in a water body polluted by petroleum, a horseshoe-shaped plumb bob (8) drives the sampling narrow-necked glass bottle (1) to wholly sink, the bottle mouth of the sampling narrow-necked glass bottle (1) is kept flush with the horizontal under the reverse action of the buoyancy of a floating wood (84), and the operation can be assisted through a lifting handle externally connected with the horseshoe-shaped plumb bob (8) in the process; then operating an immersed servo motor (14) to rotate at a fixed angle, driving a large driving disc (10) and a small driving disc (11) to synchronously rotate under the coordination of a driving connecting rod (9) which is coaxially connected, and matching the large driving disc (5) and the small driving disc (7) through a short elastic belt (12) and a long elastic belt (13), thereby realizing the opening and closing of a large flap piston (2) and a small flap piston (6); when the upper port and the lower port of the narrow-necked glass bottle (1) are opened, polluted water enters from the bottom of the narrow-necked glass bottle (1), and air in the bottle is discharged from the upper port until the water level of the narrow-necked glass bottle (1) is flush with the water level; in addition, the volume of the sampled water can be adjusted by the height of the upper port of the narrow-neck glass bottle (1) exposed out of the water surface.
CN202210728583.4A 2022-06-24 2022-06-24 Be suitable for oil class pollutant monitoring water sampling device Active CN115014863B (en)

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