CN217059523U - Drainage guide pipe device for sampling underground water in polluted site - Google Patents

Abstract

The utility model relates to a drainage pipe device for polluting sample of place groundwater. The drainage center cylinder is supported by a support assembly, a plurality of sampling bent pipes are arranged outside the drainage center cylinder, the inner ends of the sampling bent pipes are communicated with the inner cavity of the drainage center cylinder, sampling valves are arranged at the outer ends of the sampling bent pipes, and sampling assemblies are detachably arranged on the sampling valves; the drainage center cylinder comprises an outer sleeve with an opening at the upper end and a lower end, an inner sleeve with an opening at the upper end and a lower end is arranged in the outer sleeve, the inner end of the sampling bent pipe penetrates through the side walls of the outer sleeve and the inner sleeve, a filtering grid is arranged at the middle upper part of an inner cavity of the inner sleeve, and a top ball cone is arranged in the middle of the filtering grid; the top of the bracket component is inserted and connected in the inner part of the inner sleeve and closes the bottom opening of the inner sleeve. The utility model provides a drainage pipe device for polluting sample of place groundwater, the simple operation has promoted the water sample and has acquireed efficiency and guaranteed the effect that many copies water sample acquireed.

Description

Drainage guide pipe device for sampling underground water in polluted site

Technical Field

The utility model belongs to the technical field of the environmental protection construction tool, especially, relate to a drainage pipe device for polluting sample of place groundwater.

Background

Carry out the environmental protection construction for example in adding the engineering of restoreing the construction to the contaminated site, the condition that receives the pollution in order to find out the place generally need carry out the sample chemical examination to soil and groundwater water sample in the place, according to the pollutant type and each type pollutant content information that reflect out in the chemical examination result, formulate specific environmental protection construction plan, to the chemical addition restoration of contaminated soil, construction plan is including the type and the medicament quantity of restoreing the medicament to and to applying the concrete mode etc. of restoreing the medicament in the soil.

In the process of sampling groundwater, a certain amount of groundwater is generally required to be obtained by drilling and the like, and then the water sample is collected on the surface of the earth. The prior sampling operation usually involves the operational use of a sampling tube, and the Beller tube is a typical tool of the prior water sampling tube. Structurally, the bailer tube comprises a sampling tube body, and the bottom of the sampling tube body is closed and is internally provided with a water stop ball. When in use: the upper end of the Bell tube is tied with a rope, the Bell tube is slowly placed into a water taking well, a water stopping ball in the tube slightly floats upwards under the action of water pressure, water enters the Bell tube from the bottom, the Bell tube is placed for a certain time and then pulled upwards, the water stopping ball in the tube blocks a water outlet at the bottom of the tube due to the action of the water pressure, the Bell tube is lifted to the ground, then the water taking tube body is inserted into a water quality sampling bottle, and water is guided into the water quality sampling bottle to finish sampling.

After the bailer tube with the structure finishes water taking, inconvenience exists in the process of transferring to the water quality sampling bottle. Firstly, the water-stopping ball must move upwards for a certain distance to open the bottom water outlet of the Beller tube, and the existing operation mode lacks an effective means for moving the water-stopping ball upwards, so that inconvenience exists in the process of transferring a water sample into a sampling bottle; secondly, need carry out the acquirement of many water samples usually in the single sample operation, the operation of acquireing of many water samples is not convenient for carry out to current bailer pipe, leads to the acquisition inefficiency of water sample, the complex operation of taking a sample is hard. Therefore, need develop the supplementary sampling device of a groundwater sample according to the demand, the supplementary quick acquisition that carries out the water sample.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem who exists among the known art and provide a simple structure, simple operation, promote the water sample and acquire efficiency and guarantee that many water samples acquire the drainage pipe device that is used for polluting sample of place groundwater of effect.

The utility model discloses a technical scheme who takes for solving the technical problem that exists among the well-known technique is: a drainage guide pipe device for sampling underground water in a polluted site comprises a drainage center cylinder supported by a support assembly, wherein a plurality of sampling bent pipes are arranged outside the drainage center cylinder, the inner ends of the sampling bent pipes are communicated with the inner cavity of the drainage center cylinder, sampling valves are arranged at the outer ends of the sampling bent pipes, and sampling assemblies are detachably arranged on the sampling valves; the drainage center cylinder comprises an outer sleeve with an opening at the upper end and a lower end, an inner sleeve with an opening at the upper end and a lower end is arranged in the outer sleeve, the inner end of the sampling bent pipe penetrates through the side walls of the outer sleeve and the inner sleeve, a filtering grid is arranged at the middle upper part of an inner cavity of the inner sleeve, and a top ball cone is arranged in the middle of the filtering grid; the top of the bracket component is inserted and connected in the inner part of the inner sleeve and closes the bottom opening of the inner sleeve.

The utility model discloses an advantage is with positive effect:

the utility model provides a drainage pipe device that is used for polluting sample of place groundwater that structural design is simple reasonable compares with current water sample instrument and water sample operation mode, the utility model discloses in provide a drainage pipe device of groundwater sample that cooperation belleville tube used, promoted and carried out the operation convenience and the operation validity of taking a sample based on the belleville tube. Through setting up a drainage center section of thick bamboo and the inside setting that has filtering grid and top ball cone at a drainage center section of thick bamboo has the inner skleeve, the lower extreme plug-in connection who has realized the bailer pipe is in the upper end of a drainage center section of thick bamboo, the top ball cone will stop the water ball jacking in order to break away from the technological effect of socle delivery port, the water sample of making the intraductal storage of bailer is discharged in a drainage center section of thick bamboo, filtering grid has realized carrying out filterable technological effect to the water sample of discharging entering drainage center section of thick bamboo, effectively get rid of the particulate matter impurity who contains, avoid causing the jam to sample return bend, sampling subassembly etc..

Support the section of thick bamboo of drainage center and adopt the top of bracket component to seal the bottom of inside sleeve pipe through adopting the bracket component, make this drainage pipe device can make when can stably standing upright can fast assembly and dismantle between a section of thick bamboo of drainage center and the bracket component, be convenient for decompose in order to wash the device at the sample operation process. Through setting up a plurality of water intaking return bends that have the water intaking valve and detachably installation water intaking subassembly on each water intaking valve, realized carrying out the technological effect that water sample was gathered many times in single operation, promote the efficiency of water sample sampling operation, reduce the burden of sampling operation.

Preferably: the outer sleeve of the drainage center cylinder comprises an inner cylinder body and an outer cylinder body, the upper end edges of the inner cylinder body and the outer cylinder body are fixedly connected in a sealing mode, and the lower end edges of the inner cylinder body and the outer cylinder body are fixedly connected in a sealing mode; the inner end of each sampling bent pipe penetrates through the inner cylinder and the outer cylinder and is welded and fixed in a sealing mode.

Preferably: the filtering grille, the top ball cone and the inner sleeve are made of silicon rubber and are manufactured by adopting an integrated injection molding process.

Preferably: the bracket component comprises a base and a supporting cylinder which is positioned at the top of the base and is of a sealing structure; the middle part of the inner wall of the inner sleeve is also provided with an integrally formed baffle ring, and the top of the support cylinder is abutted against the baffle ring to realize sealing when the support cylinder is inserted into the inner sleeve.

Preferably: the sampling assembly comprises a piston pipe with a connecting sleeve in the middle of the side wall, a water sample bottle is detachably connected to the connecting sleeve, a connecting end matched with the sampling valve is arranged at the front end of the piston pipe, a piston is arranged in the piston pipe, and a piston rod is connected to the rear portion of the piston.

Preferably: the sampling valve is connected with the end part of the sampling bent pipe in a sealing and welding way, the water sample bottle is connected with the connecting sleeve in a threaded way, and the connecting end is connected with the sampling valve in a threaded way.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the construction of the center drain barrel and the sampling elbow of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the connection between the center drain cylinder and the sampling elbow, the Bell tube, and the bracket assembly;

fig. 4 is a schematic view of the sampling assembly of fig. 1.

In the figure:

1. a drainage center tube; 1-1, an outer sleeve; 1-2, filtering a grid; 1-3, a top ball cone; 1-4, an inner sleeve; 1-5, a baffle ring; 2. a sampling bent pipe; 3. a sampling valve; 4. a sampling assembly; 4-1, a water sample bottle; 4-2, connecting a sleeve; 4-3, connecting end heads; 4-4, a piston; 4-5, a piston tube; 4-6, a piston rod; 5. a bracket assembly; 5-1, a base; 5-2, a support cylinder; 6. a belled tube; 6-1, sampling tube body; 6-2, and a water stopping ball.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.

Referring to fig. 1 and 3, the drainage guide pipe device for sampling groundwater in a contaminated site of the present invention includes a drainage center tube 1 supported by a bracket assembly 5, a plurality of sampling elbows 2 are disposed outside the drainage center tube 1, the inner ends of the sampling elbows 2 are communicated with the inner cavity of the drainage center tube 1, and sampling valves 3 are mounted at the outer ends of the sampling elbows 2. The groundwater water sample that acquires by the bailer pipe 6 pours into the central section of thick bamboo 1 of drainage into, and the water sample in the central section of thick bamboo 1 of drainage is to getting into each sample return bend 2 all around in, when opening sampling valve 3, can discharge the water sample in the return bend 2 of sampling.

The utility model discloses in, sample valve 3 is selected to be manual ball valve, and sealed welded fastening between the tip of sample return bend 2.

Detachably installs sampling component 4 on each sample valve 3, and when opening sampling valve 3, in the water sample got into sampling component 4 by sample return bend 2, final water sample was preserved in sampling component 4 and was shifted to the detection laboratory.

Referring to fig. 2 and 3, it can be seen that:

the drainage center tube 1 comprises an outer sleeve 1-1 with an open upper end and an open lower end, an inner sleeve 1-4 with an open upper end and an open lower end is arranged in the outer sleeve 1-1, and the inner end of the sampling bent tube 2 penetrates through the side walls of the outer sleeve 1-1 and the inner sleeve 1-4. The middle upper part of the inner cavity of the inner sleeve 1-4 is provided with a filtering grid 1-2, and the middle part of the filtering grid 1-2 is provided with a top ball cone 1-3. The upper port of the outer sleeve 1-1 and the upper port of the inner sleeve 1-4 are used for being connected with the lower end of the Beller tube 6 in a matched mode, specifically, the bottom thin-diameter portion of the sampling tube body 6-1 of the Beller tube 6 is embedded and inserted into the upper port of the inner sleeve 1-4 downwards, the outer diameter of the thick-diameter portion, close to the bottom thin-diameter portion, of the sampling tube body 6-1 is larger than the inner diameter of the outer sleeve 1-1, and therefore a boss between the bottom thin-diameter portion and the thick-diameter portion abuts against the edge of the upper end of the outer sleeve 1-1.

Filter grille 1-2 is arranged in filtering the water sample of passing through, and the particulate matter impurity that contains in the filtering water sample avoids causing the jam to sample return bend 2 and sampling component 4. The top ball cone 1-3 is used for upwards jacking the water-stopping ball 6-2 of the Beller tube 6, as shown in the figure, when the lower end of the Beller tube 6 is in plug connection with the upper end of the drainage central cylinder 1, the top ball cone 1-3 is upwards inserted into the lower port of the sampling tube body 6-1, and the water-stopping ball 6-2 is jacked to a certain height to leave the bottom water outlet, so that a water sample in the Beller tube 6 can be discharged through the bottom water outlet.

In the embodiment, the outer sleeve 1-1 of the drainage center cylinder 1 comprises an inner cylinder body and an outer cylinder body, the upper end edges of the inner cylinder body and the outer cylinder body are fixedly connected in a sealing way, and the lower end edges of the inner cylinder body and the outer cylinder body are fixedly connected in a sealing way; the inner end of each sampling bent pipe 2 penetrates through the inner cylinder and the outer cylinder and is welded and fixed in a sealing mode. The function of the aforesaid structure is: the weight of the outer sleeve 1-1 is reduced on the basis of ensuring the overall structural strength of the outer sleeve, so that the whole drainage conduit device is lighter and is convenient to carry to a construction site for use.

In the embodiment, the filtering grids 1-2, the top ball cone 1-3 and the inner sleeve 1-4 are made of silicon rubber and are manufactured by adopting an integral injection molding process, and the filtering grids, the top ball cone and the inner sleeve have certain flexibility. As shown in the drawings, a plurality of tube holes are formed at corresponding positions on the side wall of the inner sleeve 1-4, and when the inner sleeve 1-4 is inserted into the outer sleeve 1-1, the inner ends of the sampling bends 2 are respectively dropped into the tube holes.

The internal components consisting of the filter grille 1-2, the top ball cone 1-3 and the inner sleeve 1-4 can be taken out of the inner part of the outer sleeve 1-1 in an integral form and can also be put into the outer sleeve 1-1 in an integral form, and after a certain period of use, the internal components are aged, and at the moment, the aged internal components can be taken out and discarded and then replaced by new internal components. On the other hand, the internal assembly with a certain flexibility can be taken out from the inside after the sampling operation is completed, which is advantageous for the thorough internal cleaning operation of the drain conduit device.

The top of the bracket component 5 is inserted and connected in the inner part of the inner sleeve 1-4 and seals the bottom opening of the inner sleeve 1-4, so that the middle upper part of the inner cavity of the inner sleeve 1-4 forms a water sample storage cavity. In this embodiment, the holder assembly 5 includes a base 5-1 and a support cylinder 5-2 at the top of the base 5-1 in a sealed structure, as shown in FIG. 3, the support cylinder 5-2 is inserted and coupled inside the lower and middle portions of the inner sleeve 1-4. The base 5-1 and the supporting cylinder 5-2 are made of thin-wall metal plates respectively, the top of the base 5-1 and the bottom of the supporting cylinder 5-2 are welded and fixed to form a complete bracket assembly 5, and the complete bracket assembly is used as a bottom plug of the drainage center cylinder 1 while playing a role in stably supporting the whole drainage guide pipe device.

When the supporting cylinder 5-2 is inserted into the inner sleeve 1-4, the inner sleeve 1-4 is extruded between the outer sleeve 1-1 and the supporting cylinder 5-2, and due to the deformation characteristic of the silicon rubber material, the inner sleeve 1-4 forms a sealing gasket between the outer sleeve 1-1 and the supporting cylinder 5-2, so that the outer sleeve 1-1 and the supporting cylinder 5-2 are sealed, and a water sample cannot leak out from the bottom. In the embodiment, the middle part of the inner wall of the inner sleeve 1-4 is also provided with the baffle ring 1-5 which is integrally formed, the top of the support cylinder 5-2 is abutted against the baffle ring 1-5 to realize sealing when the support cylinder is inserted into the inner sleeve 1-4, and the sealing structure further improves the sealing effect and avoids water sample leakage.

Referring to fig. 4, it can be seen that:

the sampling assembly 4 comprises a piston tube 4-5 with a connecting sleeve 4-2 in the middle of the side wall, a water sample bottle 4-1 is detachably connected to the connecting sleeve 4-2, a connecting end 4-3 matched with the sampling valve 3 is arranged at the front end of the piston tube 4-5, a piston 4-4 is arranged inside the piston tube 4-5, a piston rod 4-6 is connected to the rear part of the piston 4-4, and the rear end of the piston rod 4-6 extends out of the rear end of the piston tube 4-5 and is provided with a transverse pull rod. In the embodiment, the water sample bottle 4-1 is in threaded connection with the connecting sleeve 4-2, and the connecting end 4-3 is in threaded connection with the sampling valve 3.

The whole sampling assembly 4 can be detached from the sampling valve 3, and the water sample bottle 4-1 can be detached from the connecting sleeve 4-2. The water sample bottle 4-1 is preferably a transparent glass bottle, so that the amount of water inside can be conveniently observed when a water sample is injected into the bottle, and the convenience of operation is improved.

The use method comprises the following steps:

carrying the drainage conduit device to a construction site, installing a drainage center cylinder 1 on a bracket component 5, installing a plurality of sampling components 4 on sampling valves 3 at the outer ends of sampling bent pipes 2, and closing the sampling valves 3;

extracting an underground water sample by adopting a Bell tube 6, then inserting the Bell tube 6 onto a drainage central cylinder 1 in an upright posture, as described above, jacking a ball stopping ball 6-2 in a water outlet at the bottom of a sampling tube body 6-1 by a jacking ball cone 1-3, opening the water outlet at the bottom, discharging the internal water sample into the drainage central cylinder 1, and intercepting particulate matters in the water sample by a filter grid 1-2 in the discharging process; opening a water taking valve 3 on one water taking bent pipe 2, establishing a water guide channel between a drainage central cylinder 1 and the water taking component 4, then operating a piston rod 4-6 of the water taking component 4 to drive the piston 4-4 to move outwards to provide a suction effect on a water sample in the sampling bent pipe 2, and adding a water sample column in a Beller tube 6 to have a certain height, so that the water sample in the water taking bent pipe 2 is subjected to a pressure effect, under the pressure effect and the suction effect, the water sample flows down across the high point position of the sampling bent pipe 2, then injecting the water sample into a water sample bottle 4-1 downwards through a water hole in the center of a connecting sleeve 4-2, observing that the water sample in the water sample bottle 4-1 is proper in amount, operating the piston rod 4-6 to drive the piston 4-4 to move inwards, and then closing the water hole in the center of the connecting sleeve 4-2, stopping injecting water into the water sample bottle 4-1; then closing the sampling valve 3, and detaching the sampling assembly 4 from the sampling valve 3; repeating the operations until the sampling operation of multiple water samples is completed;

each sampling assembly 4 is taken back to a laboratory, the water sample bottle 4-1 is detached from the main body of the sampling assembly 4, and the water sample in the bottle is poured into a water sample analyzer for assay analysis; after the single sampling is completed, the drainage conduit device is disassembled to be thoroughly cleaned and prepared for next use.

Claims (6)

1. A drainage pipe device for sampling underground water in a polluted site is characterized in that: the drainage center cylinder (1) is supported by a support assembly (5), a plurality of sampling bent pipes (2) are arranged outside the drainage center cylinder (1), the inner ends of the sampling bent pipes (2) are communicated with the inner cavity of the drainage center cylinder (1), sampling valves (3) are arranged at the outer ends of the sampling bent pipes (2), and sampling assemblies (4) are detachably arranged on the sampling valves (3); the drainage center barrel (1) comprises an outer sleeve (1-1) with an opening at the upper end and the lower end, an inner sleeve (1-4) with an opening at the upper end and the lower end is arranged in the outer sleeve (1-1), the inner end of the sampling bent pipe (2) penetrates through the side walls of the outer sleeve (1-1) and the inner sleeve (1-4), a filtering grid (1-2) is arranged at the middle upper part of an inner cavity of the inner sleeve (1-4), and a top ball cone (1-3) is arranged in the middle of the filtering grid (1-2); the top of the bracket component (5) is inserted and connected inside the inner sleeve (1-4) and closes the bottom opening of the inner sleeve (1-4).

2. A drain pipe apparatus for sampling contaminated site groundwater according to claim 1, wherein: an outer sleeve (1-1) of the drainage center cylinder (1) comprises an inner cylinder body and an outer cylinder body, the upper end edges of the inner cylinder body and the outer cylinder body are fixedly connected in a sealing mode, and the lower end edges of the inner cylinder body and the outer cylinder body are fixedly connected in a sealing mode; the inner end of each sampling bent pipe (2) penetrates through the inner cylinder body and the outer cylinder body and is welded and fixed in a sealing mode.

3. A drain pipe apparatus for sampling contaminated site groundwater according to claim 2, wherein: the filtering grille (1-2), the top ball cone (1-3) and the inner sleeve (1-4) are made of silicon rubber and are manufactured by adopting an integrated injection molding process.

4. A drain pipe apparatus for sampling contaminated site groundwater according to claim 3, wherein: the bracket component (5) comprises a base (5-1) and a supporting cylinder (5-2) which is positioned at the top of the base (5-1) and has a sealing structure; the middle part of the inner wall of the inner sleeve (1-4) is also provided with an integrally formed baffle ring (1-5), and the top of the support cylinder (5-2) is abutted against the baffle ring (1-5) to realize sealing when the support cylinder is inserted into the inner sleeve (1-4).

5. A drain pipe apparatus for sampling contaminated site groundwater according to any of claims 1 to 4, wherein: the sampling assembly (4) comprises a piston tube (4-5) with a connecting sleeve (4-2) in the middle of the side wall, a water sample bottle (4-1) is detachably connected to the connecting sleeve (4-2), a connecting end head (4-3) matched with the sampling valve (3) is arranged at the front end of the piston tube (4-5), a piston (4-4) is arranged inside the piston tube (4-5), and a piston rod (4-6) is connected to the rear portion of the piston (4-4).

6. A drain pipe apparatus for sampling contaminated site groundwater according to claim 5, wherein: the sampling valve (3) is connected with the end part of the sampling elbow (2) in a sealing and welding way, the water sample bottle (4-1) is connected with the connecting sleeve (4-2) in a threaded way, and the connecting end (4-3) is connected with the sampling valve (3) in a threaded way.

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