CN114459826A - Sewage sampling device for sewage detection and capable of performing layered sampling - Google Patents
Sewage sampling device for sewage detection and capable of performing layered sampling Download PDFInfo
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- CN114459826A CN114459826A CN202210376915.7A CN202210376915A CN114459826A CN 114459826 A CN114459826 A CN 114459826A CN 202210376915 A CN202210376915 A CN 202210376915A CN 114459826 A CN114459826 A CN 114459826A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The invention provides a sewage sampling device for sewage detection and capable of carrying out stratified sampling, which can quickly change the position of the device according to the requirement and can sample sewage with different water levels; the device comprises a support frame, a positioning device and a positioning device, wherein the support frame is used for fixing the position and integrally supporting when the position needs to be moved; and an accommodating space is formed in the supporting frame; the rotating plate is arranged at one end of the supporting frame through the limiting shaft and can rotate by taking the limiting shaft as an axis; one end of each sampling device penetrates through the rotating plate and can rotate along with the rotating plate; the other ends of the supporting frames are arranged in the accommodating space when being parallel to the supporting frame; the sewage sampling device provided by the invention can be used for simultaneously sampling different water levels by adjusting the positions of the sampling devices on the rotating plate, so that different sampling requirements can be realized according to different requirements.
Description
Technical Field
The invention relates to the technical field of sewage sampling devices, in particular to a sewage sampling device which is used for sewage detection and can perform layered sampling.
Background
Because the nature and the organization of the natural water are changed by human activities, the use value of the water is influenced, the environment pollution is further caused, and the ecological environment of the nature is seriously influenced;
for rivers and the like in a polluted state, analyzing a pollution source and making a corresponding treatment scheme according to an analysis result; the most important thing in the process is to sample the polluted water source and correspondingly analyze the sampled water source;
in the prior art, due to the limitation of the structure, sampling of different water levels is performed in batches one by one according to needs, so that on one hand, the sampling period is increased, and on the other hand, for the same water source, sampling needs to be performed for multiple times at different positions, so that position change needs to be performed according to sampling requirements; in the prior art, the position of the sampling device is difficult to change due to the structural limitation.
Disclosure of Invention
The invention aims to provide a sewage sampling device for sewage detection and capable of carrying out stratified sampling, which can quickly change the position of the device according to the requirement and can sample sewage with different water levels;
the invention provides a sewage sampling device for sewage detection and capable of carrying out layered sampling, which comprises:
the support frame is used for fixing the position and integrally supporting when the position needs to be moved; and an accommodating space is formed in the supporting frame;
the rotating plate is arranged at one end of the supporting frame through the limiting shaft and can rotate by taking the limiting shaft as an axis;
one end of each sampling device penetrates through the rotating plate and can rotate along with the rotating plate; the other ends of the supporting frames are arranged in the accommodating space in a parallel state.
As a further technical solution, the method further comprises:
one end of the limiting arm is rotatably connected with one side of the supporting frame;
and the locking column is arranged on the other side of the support frame and is clamped with the other end of the limiting arm.
As a further technical scheme, the other end of the limiting arm is provided with a limiting groove, and the limiting groove is sealed by a limiting block movably arranged at one end of the limiting arm.
As a further technical solution, a sampling device includes:
one end of the sampling rod is arranged on the rotating plate in a penetrating way;
the sampling bucket is connected with the other end of the sampling rod, and the sampling bucket is communicated with the sampling rod.
As a further technical solution, the sampling bucket comprises:
the barrel body is connected with the other end of the sampling rod;
the liquid inlet is arranged on one side of the barrel body;
the liquid inlet control device is arranged in a sealed cabin in the barrel body and is communicated with the liquid inlet; and is connected with an external power supply through a wire.
As a further technical scheme, the sampling rod comprises a rod outer layer and a rod inner layer; the barrel body comprises a barrel outer layer and a barrel inner layer; and the outer layer of the rod is communicated with the outer layer of the barrel, and the inner layer of the rod is communicated with the inner layer of the barrel.
As a further technical scheme, one end of a wire connected with the liquid inlet control device and an external power supply is connected with the external power supply, and the other end of the wire sequentially penetrates through a space formed between the outer layer of the rod and the inner layer of the drying barrel and a space formed between the outer layer of the barrel and the inner layer of the barrel and then is connected with the liquid inlet control device.
As a further technical solution, the method further comprises: the filter layer is arranged on the liquid inlet.
As a further technical scheme, the method also comprises the following steps:
the first lock column and the second lock column are respectively arranged at two ends of the support frame in a penetrating way, and the parts arranged in the two ends of the support frame respectively penetrate through the first limiting hole or the second limiting hole arranged at the two ends of the limiting shaft.
As a further technical scheme, straight lines respectively passing through the centers of the first limiting hole and the second limiting hole are mutually vertical.
According to the technical scheme, the rotating plate is arranged on the supporting frame, so that the angle of the rotating plate on the supporting frame can be adjusted as required, and the angles of the sampling devices arranged on the supporting frame are further driven, so that when the sampling device moves, the sampling devices can be placed in the accommodating space, the size of the whole sampling device is reduced, and the sampling device moves; when the sampling device is used, the angle between the rotating plate and the supporting frame can be adjusted, and then sampling is carried out; in the invention, different water levels can be sampled simultaneously by adjusting the positions of the plurality of sampling devices on the rotating plate, so that different sampling requirements can be realized according to different requirements.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a sewage sampling device for sewage detection capable of performing stratified sampling according to the present invention;
FIG. 2 is a schematic view of another angle of the sewage sampling device for sewage detection and stratified sampling according to the present invention;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure of the limiting block of the present invention;
FIG. 5 is an enlarged view of the structure of the first locking and the limiting shaft;
FIG. 6 is an enlarged view of the internal structure of the sampling rod and the sampling barrel;
FIG. 7 is an enlarged view of the seal disk configuration;
FIG. 8 is an enlarged view of the internal structure of the sampling rod and the sampling barrel at another angle.
Description of reference numerals:
1-a support frame; 2-an accommodation space; 3-rotating the plate; 4-a limiting shaft; 41-a first limiting hole; 42-a second limit hole; 5-a sampling device; 51-a sampling rod; 511-outer layer of the rod; 512-inner layer of rod; 52-sampling bucket; 521-a barrel body; 5211-inner layer of barrel; 5212-outer layer of barrel; 522-liquid inlet; 523-liquid inlet control device; 524-a wire; 525-a filter layer; 61-a spacing arm; 62-locking post; 63-a limiting groove; 64-a limiting block; 641-block; 642-a block; 643-reset spring; 644-protrusions; 71-a first lock cylinder; 72-a second lock cylinder; 8-sealing disc; 81-a tray body; 82-a sealing head; 83-air holes; 84-a slider.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 8, the present invention provides a sewage sampling device for sewage detection capable of performing stratified sampling, comprising:
the position of the support frame 1 is changed according to the use requirement, the support frame 1 is fixed in position (such as being fixed on the shore or a ship running in a water area) according to the requirement, and the support frame is integrally supported when the position is required to be moved; and an accommodating space 2 is formed in the support frame 1; as shown in fig. 1, the whole is in a moving state, as shown in fig. 2, the whole is in a using state, and in the using state, the stability of the whole is ensured by fixing the support frame 1, and corresponding operation is carried out;
the rotating plate 3 is arranged at one end of the support frame 1 through a limit shaft 4 and can rotate by taking the limit shaft 4 as an axis; one end of each of the sampling devices 5 is arranged on the rotating plate 3 in a penetrating way and can rotate along with the rotating plate 3; the other ends of the supporting frames are arranged in the accommodating space 2 when being parallel to the supporting frame 1;
specifically, the angle of the rotating plate 3 is adjusted according to the requirements of the moving state and the using state, specifically, the limiting shafts 4 penetrate through two ends of the supporting frame 1, and the rotating plate 3 is fixedly connected between the limiting shafts 4, so that when the rotating plate 3 needs to be adjusted, the rotating plate directly rotates by taking the limiting shafts 4 at the two ends as the axes; further, the angle adjustment of the rotating plate 3 drives a plurality of sampling devices 5 to simultaneously carry out angle adjustment;
as shown in fig. 1, when moving, the rotating plate 3 is operated, one end of the plurality of sampling devices 5 is placed in the accommodating space 2, and then the sampling devices are moved by transportation; as shown in fig. 2, when the portable electronic device is used, the rotating plate 3 is adjusted in the state shown in fig. 1, and the sampling devices 5 are driven to adjust the position; as shown in fig. 1, the adjusted sampling devices 5 are perpendicular to the supporting frame 1, so that after the supporting frame 1 is fixed, the sampling devices 5 perform corresponding sampling operations; in the invention, the lengths of the plurality of sampling devices 5 are different, so that after the sampling devices 5 are placed in water, the ends of the sampling devices 5 placed in the water are not at the same water level height, and water samples with different water level heights are extracted;
wherein the content of the first and second substances,
the sampling device 5 comprises a sampling rod 51 and a sampling barrel 52, wherein one end of the sampling rod 51 is arranged on the rotating plate 3 in a penetrating way; the sampling barrel 52 is connected with the other end of the sampling rod 51, and the sampling barrel 52 is communicated with the sampling rod 51; therefore, when sampling is carried out, a water sample enters the sampling barrel 52, and in the process of entering the water sample, the original gas in the sampling barrel 52 can be discharged through the sampling rod 51, so that the water sample can enter the sampling barrel 52;
in addition, in the invention, the sampling rod 51 is in threaded connection with the rotating plate 3, so that the position of the sampling barrel 52 can be adjusted by rotating the sampling rod 51 during sampling; so that a water sample with a required water level can be accurately obtained; certainly, for better adjustment, the sampling rod 51 can be provided with scales, so that the position of the sampling barrel 52 can be known through the scales in the adjustment process, and the adjustment efficiency is further improved;
as shown in fig. 5-8, the sampling barrel 52 comprises a barrel 521, a liquid inlet 522 and a liquid inlet control device 523, wherein the barrel 521 is connected with the other end of the sampling rod 51; the liquid inlet 522 is arranged at one side of the barrel body 521; the liquid inlet control device 523 is arranged in a sealed cabin in the barrel 521, is communicated with a liquid inlet 522 and is connected with an external power supply through a lead 524; a sealing space is formed between the specific sealing layer and the inside of the barrel 521, the liquid inlet control device 523 is arranged in the sealing space, but two ends of the liquid inlet control device 523 are communicated with the liquid inlet 522 and the inside of the barrel 521, so that the liquid inlet control device 523 is protected by the sealing chamber, and a water sample is prevented from entering the barrel 521; in addition, it should be noted that a sealing ring is sleeved at the intersection position of the liquid inlet control device 523 and the inlet, and a sealing ring is also sleeved at the intersection position of the liquid inlet control device 523 and the inside of the barrel 521, so that a water sample can be prevented from entering the sealed cabin to damage the liquid inlet control device 523;
after the barrel 521 is set at a required water level, the liquid inlet control device 523 is controlled to open the liquid inlet control device 523, so that the liquid inlet 522 is communicated with the interior of the barrel 521; then the water sample enters the barrel body 521 after passing through the liquid inlet 522 and the liquid inlet control device 523 in sequence to finish the sampling operation; in the present invention, the preferred liquid inlet control device 523 is an electromagnetic valve;
as shown in fig. 6-8, the sampling rod 51 includes a rod outer layer 511 and a rod inner layer 512; the tub body 521 includes a tub outer layer 5212 and a tub inner layer 5211; the rod outer layer 511 is communicated with the barrel outer layer 5212, and the rod inner layer 512 is communicated with the barrel inner layer 5211; one end of a lead 524 connected with the liquid inlet control device 523 and an external power supply is connected with the external power supply, and the other end of the lead passes through a space formed between the rod outer layer 511 and the rod inner layer 512 and a space formed between the barrel outer layer 5212 and the barrel inner layer 5211 in sequence and then is connected with the liquid inlet control device 523; thus, energy required by work is provided for the liquid inlet control device 523 through an external power supply, and the liquid inlet control device 523 is controlled by arranging a lead 524, so that the liquid inlet control device 523 can be turned on and off;
it should be noted that the barrel 521 can be formed in various forms, in the present invention, the preferred welding manner is adopted for forming, the welding of the barrel outer layer 5212 can be performed first, the welding of the barrel inner layer 5211 is performed, and the liquid inlet control device 523 and the lead 524 are arranged according to the requirements of the actual welding process, so that the present invention is not further limited;
certainly, in the using process, the amount of the water sample entering the sampling barrel 52 can be obtained by observing the gas output amount of the sampling tube, or a water level sensor can be inserted into the sampling rod 51 and placed in the sampling barrel 52 to obtain the amount of the water sample in the sampling barrel 52; in the invention, the sealing disc 8 is preferably arranged in the sampling barrel 52, and after a water sample enters the sampling barrel 52, gas in the sampling barrel 52 can pass through the sealing disc 8 and then enter the sampling rod 51 to be discharged to the outside; along with the rise of the water level in the sampling barrel 52, the water level can push the sealing disc 8 to move to the position of the sampling tube; after the sealing disc 8 is contacted with the sampling tube, the sampling tube is sealed through the sealing disc 8, and the sampling operation is finished;
specifically, as shown in fig. 7, the sealing disc 8 comprises a disc body 81, a sealing head 82 and a plurality of air holes 83, the inner diameters of the disc body 81 and the sampling barrel 52 are equal, so that the disc body 81 can move in the sampling barrel 52, the sealing disc 8 can be made of a harder material in the invention, and the sealing disc 8 is preferably a PVC sealing disc 8 in the invention; the sealing head 82 is arranged at the center of the sealing disc 8, the sealing head 82 is made of soft materials, the sealing head 82 is preferably a rubber sealing head 82, one end, close to the sampling tube, of the sealing head 82 is gradually reduced, so that the sealing head 82 is in a structure approaching to a cone, transition effect can be achieved when the sealing head 82 is close to the sampling rod 51 along with movement of the disc body 81, the amount of the sealing head 82 entering the sampling rod 51 can be increased, and the sealing effect is improved; the air holes 83 are arranged on the tray body 81 at equal intervals, and when a water sample enters the sampling barrel 52, air at the lower part of the tray body 81 can enter the upper part of the tray body 81 through the air holes 83 and is discharged to the outside through the sampling rod 51; the number of the preferred air holes 83 is 3, and the air holes are arranged on the tray body 81 at equal intervals, so that on one hand, the normal passing of air can be ensured, and on the other hand, the residual surface of the tray body 81 is ensured to be the largest enough, so that the tray body 81 can move upwards under the pushing of a water sample;
certainly, in order to better control the moving track of the sealing disc 8, in the invention, preferably, a plurality of sliding blocks 84 are arranged on the disc body 81 at equal intervals, and a sliding way corresponding to the sliding blocks 84 is arranged on the inner wall of the sampling bucket 52 in a protruding manner, so that the disc body 81 can move along a set route through the matching of the sliding blocks 84 and the sliding way, and the stability of the disc body 81 is improved;
in the present invention, as shown in FIG. 8, a filter layer 525 is further provided, the filter layer 525 being provided on the liquid inlet 522; impurities in water can be filtered through the filter layer 525, the impurities are prevented from entering the sampling barrel 52, the cleanliness of a water sample is improved, and on the other hand, the impurities are also prevented from entering the liquid inlet control device 523 through the filter layer 525, so that the liquid inlet control device 523 is prevented from being damaged; in the present invention, the preferred filter layer 525 is a filter screen;
as shown in fig. 1, 3 and 4, the present invention further comprises a limiting arm 61 and a locking column 62, wherein one end of the limiting arm 61 is rotatably connected with one side of the supporting frame 1; the locking column 62 is arranged on the other side of the support frame 1 and is clamped with the other end of the limiting arm 61; the angle of the limiting arm 61 is adjusted as required, and the positions of the plurality of sampling devices 5 in the accommodating space 2 are limited through the connection of the limiting arm 61 and the locking column 62; the specific limiting arm 61 is connected with the support frame 1 through a bolt and can rotate by taking the bolt as a fulcrum; when the other end of the limiting arm 61 is rotated and then placed at the position of the locking column 62, the other end of the limiting arm is connected with the locking column 62, so that the positions of the plurality of sampling devices 5 are limited through the limiting arm 61;
of course, a plurality of limiting arms 61 and locking columns 62 can be arranged on the support frame 1 as required, and two sides of the support frame 1 can be arranged, so that the positions of a plurality of sampling devices 5 can be limited in a manner that the plurality of limiting arms 61 are matched, and the stability of the plurality of sampling devices 5 is improved;
in the invention, specifically, the other end of the limiting arm 61 is provided with a limiting groove 63, and the limiting groove 63 is sealed by a limiting block 64 movably arranged at one end of the limiting arm 61; the limit block 64 is movably disposed at one end of the limit arm 61, and in the present invention, the limit block 64 includes a block body 641, a stop 642, a return spring 643 and a protrusion 644; the block body 641 is disposed at one end of the limiting arm 61 and disposed adjacent to the limiting groove 63, and the stopper 642 is disposed on the block body 641, and may be disposed along the outer surface of the block body 641 or disposed at two sides of the block body 641; when the stopper 642 is disposed along the outer surface of the block 641, the return spring 643 is disposed on the block 641; when the stoppers 642 are disposed on both sides of the block body 641, the return springs 643 are disposed on both sides of the block body 641; specifically, a through groove is formed in the other end of the limiting arm 61, the block 641 is inserted into the through groove, the stopper 642 and the return spring 643 are also simultaneously arranged in the through groove, and on one hand, the position of the return spring 643 is limited by the stopper 642, and on the other hand, the block 641 is limited by the stopper 642 to move out of the through groove; in addition, a protrusion 644 is disposed at an end of the block 641 away from the limiting groove 63, so that the position of the block 641 in the through groove can be controlled by operating the protrusion 644 during operation;
in the actual use process, the boss 644 is operated to enable the block body 641 to move in the through groove, the return spring 643 is compressed through the stop 642, the limiting groove 63 is in an open state at the moment, the limiting arm 61 is rotated to enable the locking column 62 to be placed in the limiting groove 63, the boss 644 is loosened, the block body 641 is reset under the action of the return spring 643, the limiting groove 63 is closed, and the connection between the limiting arm 61 and the locking column 62 is completed;
as shown in fig. 1-2, in order to ensure the stability of the rotating plate 3 in the moving state or the using state when the rotating plate 3 is angularly adjusted, in the present invention, a first lock cylinder 71 and a second lock cylinder 72 are preferably provided, the first lock cylinder 71 and the second lock cylinder 72 respectively penetrate through two ends of the supporting frame 1, and the portions disposed in the two ends of the supporting frame 1 respectively penetrate through the first limiting hole 41 or the second limiting hole 42 disposed on two ends of the limiting shaft 4; specifically, when in the moving state, the first lock cylinder 71 and the second lock cylinder 72 simultaneously penetrate through the first limiting holes 41 at the two ends of the limiting shaft 4; when the shaft is in use, the first lock column 71 and the second lock column 72 simultaneously penetrate through the second limiting holes 42 at the two ends of the limiting shaft 4;
in addition, straight lines respectively passing through the centers of the first limiting hole 41 and the second limiting hole 42 are perpendicular to each other; that is, the first stopper hole 41 and the second stopper hole 42 are in a vertical state, so that the rotating plate 3 can be used in different situations in different states when the moving state and the use state are switched; in the invention, the other ends (the ends arranged inside the support frame 1) of the first lock cylinder 71 and the second lock cylinder 72 are provided with threads, and after passing through the limiting shaft 4, the threads are connected with the inside of the support frame 1, so that the fixing strength of the first lock cylinder 71 and the second lock cylinder 72 is improved, and the stability of the rotating plate 3 is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A sewage sampling device for sewage detection capable of stratified sampling, comprising:
the support frame (1) is used for fixing the position and integrally supporting when the position is required to be moved; an accommodating space (2) is formed in the support frame (1);
the rotating plate (3) is arranged at one end of the support frame (1) through a limiting shaft (4) and can rotate by taking the limiting shaft (4) as an axis;
one end of each sampling device (5) is arranged on the rotating plate (3) in a penetrating way and can rotate along with the rotating plate (3); the other ends of the supporting frames are arranged in the accommodating space (2) when the supporting frames are parallel to the supporting frame (1).
2. The device (5) for sewage detection stratified sampling as claimed in claim 1, further comprising:
one end of the limiting arm (61) is rotatably connected with one side of the support frame (1);
and the locking column (62) is arranged on the other side of the support frame (1) and is clamped with the other end of the limiting arm (61).
3. The sewage sampling device (5) for sewage detection and stratified sampling according to claim 2, wherein the other end of the limiting arm (61) is provided with a limiting groove (63), and the limiting groove (63) is sealed by a limiting block (64) movably arranged at one end of the limiting arm (61).
4. The device (5) for sewage detection stratified sampling according to claim 1, wherein the sampling device (5) comprises:
a sampling rod (51) with one end penetrating the rotating plate (3);
the sampling barrel (52) is connected with the other end of the sampling rod (51), and the sampling barrel (52) is communicated with the sampling rod (51).
5. The device (5) for sewage detection stratified sampling according to claim 4, wherein the sampling bucket (52) comprises:
a barrel body (521) connected with the other end of the sampling rod (51);
a liquid inlet (522) arranged at one side of the barrel body (521);
the liquid inlet control device (523) is arranged in a sealed cabin in the barrel body (521) and is communicated with the liquid inlet (522); and is connected to an external power source through a wire (524).
6. The device (5) for sewage detection stratified sampling according to claim 5, wherein the sampling rod (51) comprises an outer rod layer (511) and an inner rod layer (512); the barrel body (521) comprises an outer barrel layer (5212) and an inner barrel layer (5211); the rod outer layer (511) is communicated with the barrel outer layer (5212), and the rod inner layer (512) is communicated with the barrel inner layer (5211).
7. The device (5) for detecting sewage and sampling sewage by layers according to claim 6, wherein one end of a lead (524) connecting the liquid inlet control device (523) and an external power supply is connected with the external power supply, and the other end of the lead passes through a space formed between the rod outer layer (511) and the dry inner layer and a space formed between the barrel outer layer (5212) and the barrel inner layer (5211) in sequence and then is connected with the liquid inlet control device (523).
8. The device (5) for sewage detection stratified sampling as claimed in claim 5, further comprising: a filter layer (525) disposed on the liquid inlet (522).
9. The device (5) for sewage detection stratified sampling as claimed in claim 1, further comprising:
the first lock cylinder (71) and the second lock cylinder (72) are respectively arranged at two ends of the support frame (1) in a penetrating mode, and the parts in the two ends of the support frame (1) respectively penetrate through the first limiting holes (41) or the second limiting holes (42) in the two ends of the limiting shaft (4).
10. The device (5) for sewage detection and stratified sampling according to claim 9, wherein straight lines passing through the centers of the first limiting hole (41) and the second limiting hole (42) are perpendicular to each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210376915.7A CN114459826A (en) | 2022-04-12 | 2022-04-12 | Sewage sampling device for sewage detection and capable of performing layered sampling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210376915.7A CN114459826A (en) | 2022-04-12 | 2022-04-12 | Sewage sampling device for sewage detection and capable of performing layered sampling |
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| CN207528506U (en) * | 2017-12-15 | 2018-06-22 | 河北省地矿局第四水文工程地质大队 | Electromagnetic valve switch type water sample collector |
| CN107907379A (en) * | 2017-12-30 | 2018-04-13 | 扬州大学 | A kind of Portable underground water sampler |
| CN110940558A (en) * | 2019-11-25 | 2020-03-31 | 西安重光明宸检测技术有限公司 | Water quality testing sampling device |
| CN211452968U (en) * | 2019-12-31 | 2020-09-08 | 湖北兴瑞硅材料有限公司 | Sampling device for solid powdery material |
| CN213933234U (en) * | 2020-10-16 | 2021-08-10 | 陕西海立环境监测有限公司 | Water sample extraction device for environmental engineering water body detection |
| CN214538707U (en) * | 2021-04-14 | 2021-10-29 | 无锡市政公用检测有限公司 | Portable sampling device suitable for water source ground |
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