Presample treatment device of sewage monitoring system

Abstract

The utility model belongs to the technical field of sewage monitoring, and particularly discloses a front sample treatment device of a sewage monitoring system. Sewage inlet anti-blocking structures are arranged on the sewage pool A and the sewage pool B; the impurity filter screen is embedded in one end of the water inlet pipeline, one end of the positioning rod is fixedly installed in the middle of the impurity filter screen, the other end of the positioning rod is rotationally connected with the impeller, and the impeller is provided with a plurality of blades; the blade is driven to rotate through impact force generated by water pumping, the scraper is driven to rotate synchronously through the impeller when the blade rotates, so that the scraper is attached to the outer wall of the impurity filter screen for friction, and the impurity filter screen is prevented from being scraped by the scraper. Therefore, impurities adsorbed on the impurity filter screen due to water flow are scraped off, and sewage and garbage are automatically filtered.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage monitoring technical field, concretely is a sewage monitoring system before sample treatment device. BACKGROUND

[0002] The sample pre-treatment of sewage monitoring system is the key step of ensuring the accuracy of monitoring data, mainly including sampling, saving and pretreatment, firstly, sampling needs to select appropriate point and method according to sewage source and monitoring target, such as instantaneous sampling or mixed sampling, to ensure that the sample is representative, and the sampling equipment needs to be cleaned to avoid cross contamination, secondly, sample preservation is crucial, and appropriate measures need to be taken according to the detection item, such as refrigeration, addition of preservative or light-proof preservation, to prevent sample deterioration or component change, pretreatment includes filtering, dilution or concentration operation to remove suspended solids or adjust sample concentration to meet the requirements of analytical instrument, there are more floating materials and sundries in sewage, so it is necessary to remove sundries and retain sewage, the conventional way is to connect a pipeline between two sewage pools, and set a filter screen on the pipeline for filtering treatment, but the power generated by water flow will cause sundries to be adsorbed on the filter screen, reducing the water flow rate and thus slowing down the drainage efficiency. SUMMARY

[0003] The utility model discloses a sewage monitoring system sample pre-treatment device to solve the above problems.

[0004] To achieve the above object, the utility model provides the following technical scheme: a sewage monitoring system sample pre-treatment device, characterized by: including;

[0005] Sewage pool A and sewage pool B, the water level of sewage pool A is higher than the water level of sewage pool B, and sewage pool A and sewage pool B are combined to form an L shape;

[0006] Sewage pool A and sewage pool B have sewage inlet anti-blocking structure, and the sewage inlet anti-blocking structure includes an inlet pipeline, a sundry filter screen, a positioning rod, an impeller, a connecting rod A, a connecting rod B, a connecting rod C and a scraper;

[0007] The inlet pipeline is installed at the joint of the side of sewage pool B and sewage pool A, and one end of the inlet pipeline penetrates sewage pool B and is embedded in the inside of sewage pool A;

[0008] The sundry filter screen is embedded in one end of the inlet pipeline, one end of the positioning rod is fixedly installed in the middle of the sundry filter screen, the other end of the positioning rod is rotationally connected with the impeller, and the impeller has a plurality of blades;

[0009] The number of the connecting rod A is multiple, one end of the connecting rod A is fixedly connected with the impeller, the two ends of the connecting rod B are connected to the connecting rod C and the connecting rod A respectively, the scraper is clamped and limited with the connecting rod C, and the scraper is attached to the outer wall of the sundry filter screen.

[0010] Preferably, one end of the water inlet pipe has a bracket fixed integrally, the bracket is attached to the debris filter screen, the debris filter screen is installed in a built-in manner, the position of the debris filter screen is more stable, and the debris filter screen can filter the debris in the sewage entering the inside of the debris filter screen through the water inlet pipe.

[0011] Preferably, the outer side of the water inlet pipe has a plurality of fixedly connected fixing frames A, and a through hole is formed in each fixing frame A, the fixing frames A are attached to the outer wall of the sewage pool B to be installed, thereby limiting the position of the water inlet pipe, and the position of the water inlet pipe close to the fixing frames A has a plurality of fixing frames B, the outer side of the debris filter screen has a plurality of abutting mounting frames, each mounting frame has a built-in screw, one end of the screw is embedded into the inside of the fixing frame B through the mounting frame, the debris filter screen can be disassembled through the threaded mounting mode, so as to facilitate the later maintenance operation, and the outer side of the debris filter screen has a mesh frame, the middle part of the mesh frame has a plurality of reinforcing ribs, thereby improving the strength of the debris filter screen and avoiding the shaking of the positioning rod.

[0012] Preferably, the outer side of the positioning rod is sleeved with a propeller, the propeller is rotationally connected with the positioning rod, and the propeller is fixedly installed on the inner side of the impeller, the water flow is driven by the propeller to drive the sewage to the direction of the debris filter screen, thereby improving the water inlet speed in the water inlet pipe.

[0013] Preferably, the blades are arc-shaped, the blades are half-submerged in the sewage pool A, the water pump pumps the sewage into the inside of the sewage pool A, the blades are perpendicular to the water flow direction in the sewage pool, the impact force generated by pumping drives the blades to rotate, the blades rotate to drive the scraper to rotate synchronously through the impeller, the scraper is attached to the outer wall of the debris filter screen to rub, thereby scraping the debris adsorbed on the debris filter screen by the water flow.

[0014] Preferably, torsional springs are arranged at the connection positions of the two ends of the connecting rod B with the connecting rod A and the connecting rod C, the torsional springs can push the angles of the connecting rod B with the connecting rod A and the connecting rod C, so that the scraper is tightly attached to the outer wall of the debris filter screen, the scraper rotates synchronously with the blades through the impeller when the blades rotate, the scraper is attached to the outer wall of the debris filter screen to rub, thereby scraping the debris adsorbed on the debris filter screen by the water flow.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The water level of the sewage pool A is higher than that of the sewage pool B, the blades are half-submerged in the sewage pool, the water pump pumps the sewage into the inside of the sewage pool A, the blades are perpendicular to the water flow direction in the sewage pool, the impact force generated by pumping drives the blades to rotate, the blades rotate to drive the scraper to rotate synchronously through the impeller, the scraper is attached to the outer wall of the debris filter screen to rub, thereby scraping the debris adsorbed on the debris filter screen by the water flow.

[0017] 2. The water flow is driven by the propeller to the direction of the garbage filter screen, and then the water inlet speed in the water inlet pipe is improved;

[0018] 3. The garbage filter screen is detachable through the threaded mounting mode, so that the maintenance operation is facilitated, and the garbage filter screen has a mesh frame outside, and the mesh frame has a plurality of reinforcing ribs in the middle, so that the strength of the garbage filter screen is improved, and the positioning rod is prevented from shaking. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Fig. 2 It is an explosion structure schematic view of the utility model.

[0021] In the figure: 100, water inlet pipe; 101, fixed frame A; 102, fixed frame B; 103, bracket; 104, mounting frame; 105, screw; 200, 201, positioning rod; 202, propeller; 300, impeller; 301, blade; 400, connecting rod A; 401, connecting rod B; 402, connecting rod C; 403, scraper. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figs. 1-2 The utility model provides a technical scheme: a sewage monitoring system front sample treatment device, including;

[0026] Sewage pool A and sewage pool B, the water level of sewage pool A is higher than the water level of sewage pool B, and sewage pool A and sewage pool B are combined to form the shape of "L";

[0027] Sewage pool A and sewage pool B have sewage water inlet anti-blocking structure, and the sewage water inlet anti-blocking structure includes water inlet pipeline 100, sundry filter screen 200, positioning rod 201, impeller 300, connecting rod A 400, connecting rod B 401, connecting rod C 402 and scraper 403.

[0028] Water inlet pipeline 100 is installed at the side of sewage pool B and the joint of sewage pool A, and one end of water inlet pipeline 100 is embedded in the inside of sewage pool A through sewage pool B;

[0029] Sundry filter screen 200 is embedded in one end of water inlet pipeline 100, one end of positioning rod 201 is fixedly installed in the middle part of sundry filter screen 200, the other end of positioning rod 201 is rotationally connected with impeller 300, and impeller 300 is provided with a plurality of blades 301.

[0030] The number of connecting rod A 400 is multiple, one end of connecting rod A 400 is fixedly connected with impeller 300, both ends of connecting rod B 401 are connected to connecting rod C 402 and connecting rod A 400 respectively, scraper 403 is clamped and limited with connecting rod C 402, and scraper 403 is attached to the outer wall of sundry filter screen 200.

[0031] Further, one end of water inlet pipeline 100 is provided with integrally-fixed bracket 103, bracket 103 is attached to sundry filter screen 200, sundry filter screen 200 is installed in an embedded mode, so that the position limitation of sundry filter screen 200 is more stable, and sundry filter screen 200 can filter sundry in sewage in the inside of sundry filter screen 200 through water inlet pipeline 100.

[0032] Further, the outer side of the water inlet pipe 100 has a plurality of fixedly connected fixing frames A101, and a through hole is formed on each fixing frame A101. The fixing frame A101 is attached to the outer wall of the sewage pool B to be installed, thereby limiting the position of the water inlet pipe 100. The water inlet pipe 100 has a plurality of fixing frames B102 near the fixing frame A101. The outer side of the debris filter screen 200 has a plurality of abutting mounting frames 104. Each mounting frame 104 has an embedded screw 105. One end of the screw 105 penetrates the mounting frame 104 and is embedded in the inside of the fixing frame B102. The debris filter screen 200 can be disassembled by the threaded mounting method for easy maintenance operation. The outer side of the debris filter screen 200 has a mesh frame. The mesh frame has a plurality of reinforcing ribs in the middle, thereby improving the strength of the debris filter screen 200 and avoiding the shaking of the positioning rod 201.

[0033] Further, the outer side of the positioning rod 201 is sleeved with a propeller 202, and the propeller 202 is rotatably connected with the positioning rod 201. The propeller 202 is fixedly installed on the inner side of the impeller 300. The water flow is driven by the propeller 202 to drive the sewage to the direction of the debris filter screen 200, thereby improving the water inlet speed in the water inlet pipe 100.

[0034] Further, the blades 301 are arc-shaped and half-submerged in the sewage pool A. The water pump pumps the sewage into the sewage pool A. The blades 301 are perpendicular to the water flow direction in the sewage pool. The impact force generated by pumping drives the blades 301 to rotate.

[0035] Further, the connecting rod B401 is provided with a torsional spring at the connection between the two ends of the connecting rod B401 and the connecting rod A400 and the connecting rod C402. The torsional spring can push the angle between the connecting rod B401 and the connecting rod A400 and the angle between the connecting rod B401 and the connecting rod C402, so that the scraper 403 tightly adheres to the outer wall of the debris filter screen 200. When the blades 301 rotate, the scraper 403 is driven by the impeller 300 to rotate synchronously, so that the scraper 403 adheres to the outer wall of the debris filter screen 200 and is rubbed, thereby scraping off the debris adsorbed on the debris filter screen 200 by the water flow.

[0036] Working principle: when in use, the water inlet pipe 100 is installed on the outer side of the sewage pool B. The impeller 300 extends into the inside of the sewage pool A. The water level of the sewage pool A is higher than that of the sewage pool B. The blades 301 are half-submerged in the sewage pool. The water pump pumps the sewage into the sewage pool A. The blades 301 are perpendicular to the water flow direction in the sewage pool. The impact force generated by pumping drives the blades 301 to rotate. When the blades 301 rotate, the scraper 403 is driven by the impeller 300 to rotate synchronously, so that the scraper 403 adheres to the outer wall of the debris filter screen 200 and is rubbed, thereby scraping off the debris adsorbed on the debris filter screen 200 by the water flow.

[0037] Further, the water flow is driven by the propeller 202 to drive the sewage to the direction of the debris filter screen 200, thereby improving the water inflow speed inside the water inflow pipe 100;

[0038] Further, the debris filter screen 200 can be disassembled through the threaded mounting mode, so as to facilitate the later maintenance operation, and the outer side of the debris filter screen 200 is provided with a mesh frame, and the middle part of the mesh frame is provided with a plurality of reinforcing ribs, thereby improving the strength of the debris filter screen 200 and avoiding the shaking of the positioning rod 201.

[0039] 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 variations can be made to these 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 wastewater monitoring system pre-sample handling apparatus, characterized by: Comprise; Sewage pool A and sewage pool B, the water level of the sewage pool A is higher than the water level of the sewage pool B, and the sewage pool A and the sewage pool B combine to form an 'L' shape; The sewage pool A and the sewage pool B have a sewage inlet anti-blocking structure, which comprises an inlet pipe (100), a debris filter screen (200), a positioning rod (201), an impeller (300), a connecting rod A (400), a connecting rod B (401), a connecting rod C (402), and a scraper (403); The inlet pipe (100) is installed at the side of the sewage pool B and the joint of the sewage pool A, one end of the inlet pipe (100) penetrates the sewage pool B and is embedded in the inside of the sewage pool A; The debris filter screen (200) is embedded in one end of the inlet pipe (100), one end of the positioning rod (201) is fixedly installed in the middle of the debris filter screen (200), the other end of the positioning rod (201) is rotationally connected with the impeller (300), and the impeller (300) has a plurality of blades (301); The connecting rod A (400) has a plurality of ends, one end of the connecting rod A (400) is fixedly connected with the impeller (300), the connecting rod B (401) has two ends connected with the connecting rod C (402) and the connecting rod A (400), respectively, the scraper (403) is clamped and limited with the connecting rod C (402), and the scraper (403) is attached to the outer wall of the debris filter screen (200).

2. A wastewater monitoring system pre-sample handling device according to claim 1, wherein: One end of the inlet pipe (100) has an integrally fixed bracket (103), and the bracket (103) is attached to the debris filter screen (200).

3. The wastewater monitoring system pre-sample handling device of claim 1, wherein: The outer side of the inlet pipe (100) has a plurality of fixedly connected fixed frames A (101), each fixed frame A (101) has a through hole, and the inlet pipe (100) has a plurality of fixed frames B (102) near the fixed frames A (101), the outer side of the debris filter screen (200) has a plurality of abutting mounting frames (104), each mounting frame (104) has an embedded screw (105) therein, and one end of the screw (105) penetrates the mounting frame (104) and is embedded in the inside of the fixed frame B (102).

4. The wastewater monitoring system pre-sample handling device of claim 1, wherein: The outer side of the positioning rod (201) is sleeved with a propeller (202), the propeller (202) is rotationally connected with the positioning rod (201), and the propeller (202) is fixedly installed on the inner side of the impeller (300).

5. The wastewater monitoring system pre-sample handling device of claim 1, wherein: The blades (301) are all arc-shaped, and the blades (301) are half-submerged in the sewage pool A.

6. A wastewater monitoring system pre-sample handling device according to claim 1, wherein: The connecting rod B (401) has a torsional spring at the connection between the two ends and the connecting rod A (400) and the connecting rod C (402).

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