Pretreatment device for measuring water-soluble lead in mine gushing water

Abstract

The utility model discloses a pretreatment device for measuring water-soluble lead in mine gushing water, which comprises a cylindrical settling tank, a plurality of upright posts are uniformly arranged on the lower surface of the settling tank, a water inlet pipe is arranged on the upper part of the side surface of the settling tank, a filter screen is arranged on the inner side of the water inlet pipe, and a water drainage pipe is arranged on the lower part of the side surface of the settling tank. A hydraulic cylinder is mounted at the circle center of the upper surface of the settling tank, the movable end of the hydraulic cylinder penetrates into the settling tank, and a plurality of connecting rods are uniformly arranged on the peripheral surface of the bottom end of the movable end of the hydraulic cylinder. When the mine gushing water is introduced into the settling tank through the water inlet pipe, large-particle impurities in the mine gushing water can be filtered by the filter screen, and then the mine gushing water is settled in the settling tank for a period of time, so that small-particle impurities in the mine gushing water are settled and then discharged through the drainage pipe for sampling; the influence of particulate matters, especially solid lead, on the determination of the water-soluble lead in the mine gushing water can be avoided, and the accuracy of a final detection result is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine gushing water detection technical field, concretely is a kind of mine gushing water water-soluble lead determination pretreatment device. BACKGROUND

[0002] Affected by geological mineralization and mining engineering, the content of heavy metal Pb in mine gushing water in lead-zinc polymetallic mine mining area in west Henan is higher, mainly exists in granular state, has higher activity, can participate in various chemical reactions, has different chemical stability and toxicity. With the change of water environment, its form will also change immediately, but toxicity will not be lost with the change of structure. The reservoir with drinking water function is widely distributed in lead-zinc ore concentration area in west Henan (especially downstream of mine gushing water), if the content of lead in water cannot be effectively controlled, mine gushing water will pollute reservoir or groundwater with drinking water function, therefore the content of total lead and water-soluble lead in mine gushing water of lead-zinc polymetallic mine is the water environment index that needs to be closely monitored.

[0003] The composition of mine gushing water is often more complex, not only includes natural mineral dissolution material, but also may be mixed with different size particulate matter from rock fissure and fracture zone, such as silt, rock debris and solid-state lead particles. The existence of these particulate matter can cause interference to the determination of water-soluble lead content in mine gushing water, thereby affecting the accuracy of final detection result. Therefore, we propose a kind of mine gushing water water-soluble lead determination pretreatment device. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a kind of mine gushing water water-soluble lead determination pretreatment device, the large particle impurities in mine gushing water can be filtered by the filtration of filter screen, after a period of sedimentation, the small particle impurities in mine gushing water are precipitated and then discharged through drain pipe for sampling, the influence of particulate matter, especially solid-state lead, on the determination of water-soluble lead in mine gushing water can be avoided, the accuracy of final detection result is improved, and the problems in the background art can be effectively solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of mine gushing water water-soluble lead determination pretreatment device, including cylindrical sedimentation tank, the lower surface of the sedimentation tank is uniformly provided with a plurality of stand, the upper portion of the side surface of the sedimentation tank is provided with inlet pipe, and the inner side of inlet pipe is installed with filter screen, the lower portion of the side surface of the sedimentation tank is provided with drain pipe, and the upper surface of the sedimentation tank is installed with hydraulic cylinder with center, the movable end of hydraulic cylinder penetrates into the sedimentation tank, and the bottom end of the movable end of hydraulic cylinder is uniformly provided with a plurality of connecting rods on the side surface, the bottom end of connecting rod is fixedly provided with rubber ring, and the inner side of rubber ring is provided with filter membrane.

[0006] As a preferred technical scheme of the utility model, the inside of the water inlet pipe is provided with a sealing ring, the filter screen is arranged on the inner side surface of the sealing ring, two rotating shafts are symmetrically arranged on the sealing ring, one rotating shaft is rotatably arranged in the groove formed on the inner side of the water inlet pipe, and the other rotating shaft penetrates the outer side surface of the water inlet pipe and is connected with the rotating handle.

[0007] As a preferred technical scheme of the utility model, the side surface of the rotating handle and the outer side surface of the water inlet pipe are both provided with positioning holes, and the positioning rods are arranged in the positioning holes.

[0008] As a preferred technical scheme of the utility model, the drain pipe comprises a plurality of drain sub-pipes and a drain main pipe, the plurality of drain sub-pipes are uniformly arranged on the outer side surface of the sediment tank from top to bottom, and the end portions of the plurality of drain sub-pipes are connected in parallel with the drain main pipe through vertical pipes.

[0009] As a preferred technical scheme of the utility model, one sub-pipe electromagnetic valve is arranged on each drain sub-pipe.

[0010] As a preferred technical scheme of the utility model, a static mixing pipe is arranged on the drain main pipe, and a static mixer is arranged in the static mixing pipe.

[0011] As a preferred technical scheme of the utility model, the lower part of the sediment tank is a taper with a large upper part and a small lower part, a sediment discharge pipe is arranged at the center of the lower surface of the sediment tank, and a valve is arranged on the sediment discharge pipe.

[0012] As a preferred technical scheme of the utility model, the side surface of the sediment tank is provided with a transparent observation window.

[0013] As a preferred technical scheme of the utility model, the side surface of the observation window is uniformly provided with scale lines.

[0014] Compared with the prior art, the utility model has the advantages that: the mine water inflow water-soluble lead determination pretreatment device can filter the large-particle impurities in the mine water inflow through the filter screen when the mine water inflow enters the sediment tank, and then the small-particle impurities in the mine water inflow are precipitated in the sediment tank for a period of time, and then the small-particle impurities are discharged through the drain pipe for sampling, which can avoid the influence of the particulate matters, especially the solid lead, on the determination of the water-soluble lead in the mine water inflow, and improve the accuracy of the final detection result; before the precipitated mine water inflow is discharged, the hydraulic cylinder can drive the connecting rod, the rubber ring and the filter membrane to slowly descend, so that the filter membrane moves above the precipitate, the disturbance in the process of discharging the mine water inflow sample is avoided, the precipitate is prevented from floating up, the filter membrane can block the precipitate, the possibility of sampling the small-particle precipitate, especially the insoluble lead, is further reduced, and thus the accuracy of the detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the present application;

[0016] Figure 2 is a partial sectional schematic view of the present application;

[0017] Figure 3 is a structural schematic view of the present application Figure 2 is a side structural schematic view of the present application;

[0018] Figure 4 is a structural schematic view of the filter screen of the present application.

[0019] In the drawing: 1 sedimentation tank, 2 stand column, 3 water inlet pipe, 4 rotating handle, 5 rotating shaft, 6 sealing ring, 7 filter screen, 8 drainage sub-pipe, 9 sub-pipe electromagnetic valve, 10 drainage main pipe, 11 static mixing pipe, 12 observation window, 13 sediment discharge pipe, 14 valve, 15 hydraulic cylinder, 16 connecting rod, 17 filter membrane, 18 scale. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 The present application provides a technical solution: a mine gushing water water-soluble lead determination pretreatment device, which comprises a cylindrical sedimentation tank 1, a plurality of stand columns 2 are uniformly arranged on the lower surface of the sedimentation tank 1, a water inlet pipe 3 is arranged on the upper part of the side surface of the sedimentation tank 1, which is used to introduce mine gushing water into the sedimentation tank 1, a filter screen 7 is installed on the inner side of the water inlet pipe 3, a drainage pipe is arranged on the lower part of the side surface of the sedimentation tank 1, which is used to discharge the water sample after filtration and sedimentation, when the mine gushing water is introduced into the sedimentation tank 1 through the water inlet pipe 3, the large-particle impurities in the mine gushing water can be filtered through the filter screen 7 first, then the small-particle impurities in the mine gushing water are allowed to sediment in the sedimentation tank 1 for a period of time, and then the water sample is discharged for sampling through the drainage pipe after the small-particle impurities are sedimented, which can avoid the influence of particulate matter, especially solid lead, on the determination of water-soluble lead in mine gushing water, and improve the accuracy of the final detection result.

[0022] The upper surface of the sediment tank 1 is provided with a hydraulic cylinder 15, the movable end of the hydraulic cylinder 15 penetrates into the sediment tank 1, and the bottom end of the movable end of the hydraulic cylinder 15 is uniformly provided with a plurality of connecting rods 16, the bottom end of the connecting rod 16 is fixedly provided with a rubber ring, the inner side of the rubber ring is provided with a filter membrane 17, after the sediment in the sediment tank 1 is precipitated, the worker controls the hydraulic cylinder 15 to slowly lower the rubber ring and the filter membrane 17 through the connecting rod 16, so that the filter membrane 17 moves to about 10 cm above the sediment, the filter membrane 17 can filter small particles of the sediment so that it does not float up, then the worker opens the corresponding drain electromagnetic valve 9, the mine gushing water above the sediment is discharged into the drain main pipe 10 through the drain branch pipe 8, during the discharging process, the mine gushing water may be disturbed, so that the sediment floats up, which can be blocked by the filter membrane 17, further reducing the possibility of sampling small particles of the sediment, especially insoluble lead, thereby ensuring the accuracy of the detection result.

[0023] Preferably, the lower part of the sediment tank 1 is a taper with a large upper part and a small lower part, and the lower surface of the sediment tank 1 is provided with a sediment discharge pipe 13 at the center, for discharging small particle impurities, especially insoluble lead, precipitated from the mine gushing water; the sediment discharge pipe 13 is provided with a valve 14, which can be a commonly used electric valve or a manual valve, for controlling the opening and closing of the sediment discharge pipe 13.

[0024] Preferably, the inside of the water inlet pipe 3 is rotatably provided with a sealing ring 6, the filter screen 7 is arranged on the inner side surface of the sealing ring 6, and two rotating shafts 5 are symmetrically arranged on the sealing ring 6, one of the rotating shafts 5 is rotatably arranged in the groove formed in the inner side of the water inlet pipe 3, and the other rotating shaft 5 penetrates out of the outer side surface of the water inlet pipe 3 and is connected with the rotating handle 4, and a rotating sealing ring is arranged between the rotating shaft 5 and the water inlet pipe 3, the rotating handle 4 can drive the rotating shaft 5, the sealing ring 6 and the filter screen 7 to rotate, when it is necessary to clean the filter screen 7, the rotating handle 4 can be rotated by 180° to close the electromagnetic valve on the drain pipe, then the valve 14 is opened, and cleaning water is introduced into the water inlet pipe 3, so that the large particle impurities accumulated on the filter screen 7 can be discharged through the sediment discharge pipe 13, which is convenient for cleaning and simple to operate.

[0025] Further preferably, the side surface of the rotating handle 4 and the outer side surface of the water inlet pipe 3 are both provided with positioning holes, and a positioning rod is arranged in the positioning hole, for fixing the position of the rotating handle 4, and further fixing the sealing ring 6 and the filter screen 7, to ensure the stability of the filter screen 7 during the treatment of the mine gushing water sample.

[0026] Optionally, the inner side of the positioning hole on the water inlet pipe 3 is provided with an internal thread, and the end of the positioning rod is provided with an external thread corresponding to the internal thread, the positioning rod is fixed by the threads to improve the stability.

[0027] Preferably, the drain pipe comprises several drain sub-pipes 8 and a drain main pipe 10, the several drain sub-pipes 8 are uniformly arranged on the outer surface of the sediment tank 1 from top to bottom, and the end of the several drain sub-pipes 8 is connected with the drain main pipe 10 through a vertical pipe in parallel, a sub-pipe electromagnetic valve 9 is arranged on each drain sub-pipe 8, before the mine gushing water above the sediments is drained through the drain pipe, the sub-pipe electromagnetic valve 9 at the corresponding height of the drain sub-pipe 8 can be opened according to the specific height of the sediments, so that the mine gushing water above the sediments is drained, and the small particle sediments are prevented from entering the mine gushing water sample and affecting the accuracy of the detection result.

[0028] The sub-pipe electromagnetic valve 9, the hydraulic pump of the hydraulic cylinder 15 and the valve 14 (an electric valve) are electrically connected with an external control switch and are powered by an external power supply, the sub-pipe electromagnetic valve 9, the hydraulic cylinder 15 and the valve 14 used in the application are all electronic components commonly used in the prior art, and the specific structure, working principle, control mode and circuit connection are all known technologies, and will not be described in detail here.

[0029] Optionally, the side surface of the sediment tank 1 is provided with a transparent observation window 12, the side surface of the observation window 12 is uniformly provided with scale lines 18, and the height of the sediments can be clearly observed by the staff through the observation window 12 and the scale lines 18, so that the sub-pipe electromagnetic valve 9 to be opened can be determined, and the operation is more accurate.

[0030] Optionally, the drain main pipe 10 is provided with a static mixing pipe 11, the static mixing pipe 11 is provided with a static mixer, the mine gushing water in the drain main pipe 10 is sampled after being mixed and dispersed by the static mixer, the dispersion uniformity of the mine gushing water can be improved, the water-soluble lead in the mine gushing water is uniformly distributed, and then the sampling is carried out, and the accuracy of the detection result can be further improved.

[0031] The parts not disclosed in the utility model are all prior art, and the specific structure, material and working principle will not be described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of mine water inrush water-soluble lead determination pre-treatment device, including cylindrical sediment tank (1), it is characterized by: The lower surface of the sediment tank (1) is uniformly provided with a plurality of columns (2), the upper part of the side surface of the sediment tank (1) is provided with a water inlet pipe (3), the inner side of the water inlet pipe (3) is provided with a filter screen (7), the lower part of the side surface of the sediment tank (1) is provided with a drain pipe, and the upper surface of the sediment tank (1) is provided with a hydraulic cylinder (15), the movable end of the hydraulic cylinder (15) penetrates into the sediment tank (1), and the bottom end of the movable end of the hydraulic cylinder (15) is uniformly provided with a plurality of connecting rods (16), the bottom end of the connecting rod (16) is fixedly provided with a rubber ring, and the inner side of the rubber ring is provided with a filter membrane (17).

2. The water-soluble lead pre-treatment device in a mine water inrush according to claim 1, characterized in that: The water inlet pipe (3) is rotatably provided with a sealing ring (6), the filter screen (7) is arranged on the inner side surface of the sealing ring (6), two rotating shafts (5) are symmetrically arranged on the sealing ring (6), one of the rotating shafts (5) is rotatably arranged in the groove formed in the inner side of the water inlet pipe (3), and the other rotating shaft (5) penetrates out of the outer side surface of the water inlet pipe (3) and is connected with the rotating handle (4).

3. The device for pre-treatment of water-soluble lead in mine water gushing according to claim 2, characterized in that: The side surface of the rotating handle (4) and the outer side surface of the water inlet pipe (3) are both provided with positioning holes, and a positioning rod is arranged in the positioning hole.

4. The water-soluble lead pre-treatment device in a mine water inrush according to claim 1, characterized in that: The drain pipe comprises a plurality of drain sub-pipes (8) and a drain main pipe (10), the plurality of drain sub-pipes (8) are uniformly arranged on the outer side surface of the sediment tank (1) from top to bottom, and the end portions of the plurality of drain sub-pipes (8) are connected in parallel with the drain main pipe (10) through vertical pipes.

5. The device for pre-treatment of water-soluble lead in mine water gushing according to claim 4, characterized in that: A sub-pipe electromagnetic valve (9) is arranged on each of the drain sub-pipes (8).

6. The water-soluble lead pre-treatment device in a mine water inrush according to claim 4, characterized in that: The drain main pipe (10) is provided with a static mixing pipe (11), and the static mixing pipe (11) is provided with a static mixer.

7. The device for pre-treatment of water-soluble lead in mine water gushing according to claim 1, characterized in that: The lower part of the sediment tank (1) is conical, and the center of the lower surface of the sediment tank (1) is provided with a sediment discharge pipe (13), and the sediment discharge pipe (13) is provided with a valve (14).

8. The device for pre-treatment of water-soluble lead determination in mine water inflow according to any one of claims 1-7, characterized in that: The side surface of the sediment tank (1) is provided with a transparent observation window (12).

9. The device for pre-treatment of water-soluble lead determination in mine water inflow according to claim 8, characterized in that: The side surface of the observation window (12) is uniformly provided with scale lines (18).

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