Coal chemical sewage analysis stratified sampling equipment

Abstract

The utility model discloses coal chemical sewage analysis stratified sampling equipment which comprises a cylinder, a stratified adjusting mechanism assembled inside the cylinder and a closing mechanism assembled outside the cylinder, and a rectangular groove for a closing device to move is formed in the surface of the cylinder. According to the coal chemical industry sewage analysis stratified sampling equipment, through the arrangement of a closing mechanism, when the position of a sampling barrel is adjusted, a blocking piece in a groove of the sampling barrel moves along with the sampling barrel, after the device is put into sewage, a cylinder is pushed, a U-shaped block extrudes a spring, and the two ends of the U-shaped block push a push plate to slide on the surface of a sliding plate in an attached mode; a connecting rod is driven to move, a round bar is driven to move in a sliding groove in a protruding block, a rectangular plate is driven to move outwards, the rectangular plate drives a blocking piece to move, a water inlet hole is exposed out of the top of a sampling barrel, sewage flows into the sampling barrel, and a cylinder can be loosened after a while, and a spring is reset to adjust a U-shaped block to ascend.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage sampling, in particular to a stratified sampling device for coal chemical sewage analysis. Background Art

[0002] With the rapid development of the coal chemical industry, the wastewater it generates is receiving increasing attention. Coal chemical wastewater has a complex composition, containing a variety of organic and inorganic pollutants, heavy metals, and other pollutants, posing a serious threat to the environment and ecosystems. To accurately understand the characteristics and distribution of coal chemical wastewater and to implement effective treatment measures, specialized wastewater analysis and stratified sampling equipment is required. The development and application of such equipment is of great significance.

[0003] Chinese patent (CN214894251U) discloses a water quality detection sampling device with a filtering function, comprising a mounting frame and a sampling bucket, a locking mechanism is provided on the side of the mounting frame, a pulley is provided at the end of the mounting frame, and a pull rope is connected to the outside of the pulley, the sampling bucket is provided at the end of the pull rope, and a slide is provided on the outside of the sampling bucket, and a slide rail is connected to the outside of the slide, a filter is provided inside the sampling bucket, and a connecting rod is provided on the top of the filter, and a mounting mechanism is provided on the outside of the connecting rod, a connecting shaft is provided at the bottom of the sampling bucket, and a baffle is connected to the outside of the connecting shaft; the utility model is provided with a filter, and the connecting rod is symmetrically arranged about the filter, which can effectively fix the filter, so that the sample can be filtered and layered during sampling, thereby ensuring that the equipment can sample water conveniently, disassemble and assemble conveniently, and facilitate cleaning and replacement operations. The water quality testing sampling device with filtering function in the above-mentioned comparative documents has the following shortcomings: when conducting stratified sampling of coal chemical wastewater, it is necessary to place it into the sewage at different depths for sampling multiple times, which is cumbersome and inconvenient. In addition, after the general sampling device is placed in the sewage, water begins to enter the sampling bucket. After reaching the position where sampling is required, it stops for a while and then the sampling device is pulled out to test the sewage in the sampling bucket. This method can easily result in sewage of different water layers remaining in the sampling bucket, resulting in inaccurate detection of sewage stratification. Utility Model Content

[0004] The purpose of the invention of the utility model is to provide a stratified sampling device for coal chemical wastewater analysis which is highly practical, can be operated simply and has a relatively simple structure. It solves the problem proposed in the above background technology that when stratified sampling of coal chemical wastewater is performed, it is necessary to put the wastewater into different depths for sampling multiple times, which is cumbersome and inconvenient, and different water layers of wastewater are left in the sampling barrel, resulting in inaccurate detection of wastewater stratification.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a stratified sampling device for coal chemical wastewater analysis of the present invention comprises a cylinder and a stratified adjustment mechanism assembled inside the cylinder, and a closing mechanism assembled outside the cylinder, wherein the surface of the cylinder is provided with a rectangular groove for the movement of the closing device; the stratified adjustment mechanism comprises a bidirectional threaded rod passing through the top of the cylinder and a movable block threadedly connected to the two ends of the surface of the bidirectional threaded rod, and a sampling barrel fixedly connected to the surface of the movable block, wherein the surface of the sampling barrel is provided with a groove; the closing device comprises a fixed block fixedly connected to one end of the surface of the cylinder and a baffle inserted into the inside of the groove, and a fixed block fixedly connected to one end of the surface of the cylinder The four raised blocks on the side are provided with sliding grooves on the four raised blocks, one end of the baffle is slidably connected to a rectangular plate and is located inside the rectangular groove, the surface of the rectangular plate slides inside the slide groove through a round rod, the surface of the round rod is rotatably connected to four connecting rods and the other ends of the four connecting rods are rotatably connected to a push plate, one side of the push plate is slidably connected to a slide plate and fixedly connected to the surface of the cylinder, the inner bottom wall of the fixed block is fixedly connected to a spring and a buffer rod is sleeved on the inside of the spring, one end of the spring is fixedly connected to a U-shaped block, both ends of the U-shaped block pass through the fixed block and are fixedly connected to the top of the push plate, and the top of the U-shaped block is fixedly connected to a cylinder and passes through the top of the fixed block.

[0006] Preferably, circular holes are provided on the top and bottom of the cylinder, and a guide groove adapted to the surface of the sampling barrel is provided on the inner wall of the cylinder.

[0007] Preferably, one end of the bidirectional threaded rod passing through the top of the cylinder is fixedly connected to a knob, and the other end of the bidirectional threaded rod is rotatably connected to the inner bottom wall of the cylinder.

[0008] Preferably, a handle is fixedly connected to one side of the surface of the fixing block, and a rubber layer is provided on the surface of the handle.

[0009] Preferably, the baffle is fitted into the groove, and a sealing gasket is provided on the surface of the baffle.

[0010] Therefore, the utility model has the following beneficial effects:

[0011] (1) Through the layered adjustment mechanism, when sampling different water layers, the bidirectional threaded rod is rotated to drive the two movable blocks and the movable blocks, thereby driving the two sampling barrels to move relative to each other and adjusting them to the appropriate position. This allows the sewage of two different water layers to be sampled at the same time, thereby improving the convenience of the device.

[0012] (2) Through the setting of the closing mechanism, when the position of the sampling barrel is adjusted, the baffle in the groove of the sampling barrel also moves together. After the device is placed in the sewage, the cylinder is pushed to make the U-shaped block squeeze the spring, and the two ends of the U-shaped block push the push plate and then slide on the surface of the slide, thereby driving the connecting rod to move, so that it drives the round rod to move in the slide groove in the raised block, driving the rectangular plate to move outward, so that the rectangular plate drives the baffle to move, and then the water inlet hole is exposed on the top of the sampling barrel, so that sewage flows into the sampling barrel. After waiting for a while, the cylinder can be released to reset the spring and mobilize the U-shaped block to rise. The subsequent movement of each component is opposite to the movement of opening the baffle, which reduces the effect of sewage from different water layers flowing into the sampling barrel and improves the accuracy of the device in detecting different water layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the overall split structure of the utility model.

[0016] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixed block of the utility model.

[0017] In the figure: 1. Cylinder; 2. Layered adjustment mechanism; 201. Bidirectional threaded rod; 202. Movable block; 203. Sampling barrel; 204. Groove; 3. Closing mechanism; 301. Fixed block; 302. Baffle; 303. Raised block; 304. Slide; 305. Rectangular plate; 306. Round rod; 307. Connecting rod; 308. Push plate; 309. Slide plate; 310. Spring; 311. U-shaped block; 312. Cylinder; 4. Rectangular groove. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] like Figures 1-4As shown, a stratified sampling device for coal chemical wastewater analysis includes a cylinder 1 and a stratification adjustment mechanism 2 assembled inside the cylinder 1, and a closing mechanism 3 assembled outside the cylinder 1. A rectangular groove 4 for the closing mechanism 3 to move is provided on the surface of the cylinder 1. The stratification adjustment mechanism 2 includes a bidirectional threaded rod 201 passing through the top of the cylinder 1 and a movable block 202 threadedly connected to the two ends of the surface of the bidirectional threaded rod 201, and a sampling barrel 203 fixedly connected to the surface of the movable block 202. The surface of the sampling barrel 203 is provided with a groove 204. When sampling different water layers, the bidirectional threaded rod 201 is rotated to drive the two movable blocks 202 and the movable blocks 202, thereby driving the two sampling barrels 203 to move relative to each other. The closure mechanism 3 comprises a fixed block 301 fixedly connected to one end of the surface of the cylinder 1 and a baffle 302 inserted into the groove 204, as well as four raised blocks 303 fixedly connected to one side of the surface of the cylinder 1 and provided with a slide groove 304 on the four raised blocks 303. One end of the baffle 302 is slidably connected to a rectangular plate 305 and is located inside the rectangular groove 4. The surface of the rectangular plate 305 slides inside the slide groove 304 through a round rod 306. The surface of the round rod 306 is rotatably connected to four connecting rods 307 and is rotatably connected to the other end of the four connecting rods 307. The top of the U-shaped block 311 is fixedly connected to the top of the push plate 308, and the top of the U-shaped block 311 is fixedly connected to the cylinder 312 and passes through the top of the fixed block 301. When the position of the sampling barrel 203 is adjusted, the baffle 302 in the groove 204 of the sampling barrel 203 also moves together. After the device is placed in the sewage, the cylinder 312 is pushed to squeeze the U-shaped block 311 to squeeze the spring 311. 10, and the two ends of the U-shaped block 311 push the push plate 308 and then slide on the surface of the slide plate 309, thereby driving the connecting rod 307 to move, so that it drives the round rod 306 to move in the slide groove 304 in the raised block 303, driving the rectangular plate 305 to move outward, so that the rectangular plate 305 drives the baffle 302 to move, thereby exposing the water inlet hole on the top of the sampling barrel 203, allowing sewage to flow into the sampling barrel 203, and waiting for a while to release the cylinder 312, so that the spring 310 can be reset to mobilize the U-shaped block 311 to rise. The subsequent movement of each component is opposite to the movement of opening the baffle 302, which reduces the effect of sewage from different water layers flowing into the sampling barrel 203 and improves the accuracy of the device in detecting different water layers.

[0020] Furthermore, circular holes are provided at the top and bottom of the cylinder 1 , and a guide groove adapted to the surface of the sampling barrel 203 is provided on the inner wall of the cylinder 1 , wherein the guide groove facilitates the vertical movement of the sampling barrel 203 .

[0021] Furthermore, one end of the bidirectional threaded rod 201 passing through the top of the cylinder 1 is fixedly connected to a knob, and the other end of the bidirectional threaded rod 201 is rotatably connected to the inner bottom wall of the cylinder 1, wherein the knob facilitates the rotation of the bidirectional threaded rod 201.

[0022] Furthermore, a handle is fixedly connected to one side of the surface of the fixing block 301, and a rubber layer is provided on the surface of the handle, wherein the handle is convenient for holding the device.

[0023] Furthermore, the baffle 302 fits in the groove 204 , and a sealing gasket is provided on the surface of the baffle 302 , wherein the sealing gasket on the surface of the baffle 302 can better seal the sampling barrel 203 .

[0024] The working steps of this utility model are as follows:

[0025] Step (1): When sampling different water layers, rotate the bidirectional threaded rod 201 to drive the two movable blocks 202 and the movable blocks, thereby driving the two sampling barrels 203 to move relative to each other and adjust them to the appropriate position;

[0026] After the position of the sampling barrel 203 is adjusted, the baffle 302 in the groove 204 of the sampling barrel 203 also moves. After the device is placed in the sewage, the cylinder 312 is pushed to make the U-shaped block 311 squeeze the spring 310, and the two ends of the U-shaped block 311 push the push plate 308 to slide on the surface of the slide plate 309, thereby driving the connecting rod 307 to move, so that it drives the round rod 306 to move in the slide groove 304 in the raised block 303, driving the rectangular plate 305 to move outward, so that the rectangular plate 305 drives the baffle 302 to move, thereby exposing the water inlet hole at the top of the sampling barrel 203, allowing sewage to flow into the sampling barrel 203, and waiting for a while to release the cylinder 312, so that the spring 310 is reset and the U-shaped block 311 is mobilized to rise. The subsequent movement of each component is opposite to the movement of opening the baffle 302, which reduces the effect of sewage from different water layers flowing into the sampling barrel 203 and improves the accuracy of the device in detecting different water layers.

[0027] The embodiment described above is only a preferred solution of the present invention and does not limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A stratified sampling device for coal chemical wastewater analysis, characterized by: The invention comprises a cylinder (1), a layer adjustment mechanism (2) assembled inside the cylinder (1), and a closing mechanism (3) assembled outside the cylinder (1); a rectangular groove (4) for the closing mechanism (3) to move is provided on the surface of the cylinder (1); The layer adjustment mechanism (2) comprises a bidirectional threaded rod (201) penetrating the top of the cylinder (1), a movable block (202) threadedly connected to both ends of the surface of the bidirectional threaded rod (201), and a sampling barrel (203) fixedly connected to the surface of the movable block (202), wherein a groove (204) is formed on the surface of the sampling barrel (203); The closing mechanism (3) comprises a fixed block (301) fixedly connected to one end of the surface of the cylinder (1) and a baffle (302) inserted into the inside of the groove (204), as well as four raised blocks (303) fixedly connected to one side of the surface of the cylinder (1) and provided with a slide groove (304). One end of the baffle (302) is slidably connected to a rectangular plate (305) and is located inside the rectangular groove (4). The surface of the rectangular plate (305) slides inside the slide groove (304) through a round rod (306). The surface of the round rod (306) is rotatably connected to four connecting rods (307) and is connected to the four connecting rods (307). The other end of the connecting rod (307) is rotatably connected to a push plate (308), one side of the push plate (308) is slidably connected to a slide plate (309) and is fixedly connected to the surface of the cylinder (1), the inner bottom wall of the fixed block (301) is fixedly connected to a spring (310), and a buffer rod is sleeved inside the spring (310), one end of the spring (310) is fixedly connected to a U-shaped block (311), both ends of the U-shaped block (311) pass through the fixed block (301) and are fixedly connected to the top of the push plate (308), and the top of the U-shaped block (311) is fixedly connected to a cylinder (312) and passes through the top of the fixed block (301).

2. A coal chemical wastewater analysis stratified sampling equipment according to claim 1, characterized in that, The top and bottom of the cylinder (1) are both provided with circular holes, and the inner wall of the cylinder (1) is provided with a guide groove adapted to the surface of the sampling barrel (203).

3. A coal chemical wastewater analysis stratified sampling equipment according to claim 1, characterized in that, One end of the bidirectional threaded rod (201) passing through the top of the cylinder (1) is fixedly connected to a knob, and the other end of the bidirectional threaded rod (201) is rotatably connected to the inner bottom wall of the cylinder (1).

4. A coal chemical wastewater analysis stratified sampling equipment according to claim 1, characterized in that, One side of the surface of the fixed block (301) is fixedly connected to a handle, and the surface of the handle is provided with a rubber layer.

5. A coal chemical wastewater analysis stratified sampling equipment according to claim 1, characterized in that, The blocking piece (302) is fitted with the groove (204), and a sealing gasket is provided on the surface of the blocking piece (302).

Images