Sewage sampling and detecting device

Abstract

The utility model belongs to the technical field of sewage detection, and relates to a sewage sampling and detecting device which comprises a box body, an internal water suction pump, a water tank and an external colorimetric groove, the water suction pump is connected with a water source outside the box body and the water tank through a silica gel hose, the part, extending out of the box body, of the hose is spiral, and the water tank is uniformly divided into columns by partition plates. The peristaltic pump is adopted for sewage sampling, so that direct contact between a sample and the pump body is avoided, pollution-free property and accuracy of the sample can be ensured, quantitative sampling can be realized by the aid of accurate control capability of the peristaltic pump, and the peristaltic pump is simple in structure, convenient to operate and high in practicability. After the inner part of the water tank is divided into columns, each layer in sewage can be stored in different columns, and water is discharged from each column by the water outlet pipe to the colorimetric tube to be mixed with a reagent for colorimetric, so that mutual pollution during detection of each column is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage detection, and particularly relates to a sewage sampling and detection device. Background Art

[0002] Sewage is a water source containing domestic waste, industrial emissions, and natural sediments, which contains various harmful substances. It needs to be purified through sewage treatment facilities to protect the environment and public health. After the sewage treatment is completed, it is necessary to sample the treated sewage and analyze its components. Total phosphorus in water is one of the important indicators for evaluating water quality because it is closely related to water eutrophication, excessive growth of algae, and the health of aquatic ecosystems.

[0003] In the prior art, when sampling and detecting sewage, usually professionals directly collect samples from the sewage source using a water sampling cylinder at a specific time point, and then use a test kit to conduct tests on-site. This method is relatively direct, but it is easily affected by human factors, and there are problems such as complex operation and lack of sampling consistency. Summary of the Utility Model

[0004] In order to solve the problems existing in the above-mentioned prior art, the utility model provides a sewage sampling and detection device that can simultaneously perform sewage sampling and detection and avoid secondary pollution of sewage.

[0005] To achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] A sewage sampling and detection device includes a box body 1, a water pump 2, a water storage tank 3, and a colorimetric tank 4. The water pump 2 and the water storage tank 3 are both installed inside the box body 1. The water inlet pipe section of the water delivery pipe 21 of the water pump 2 extends out of the box body 1, and the water discharge pipe section of the water delivery pipe 21 of the water pump 2 is connected to the upper end of the water storage tank 3. The water outlet pipe 33 of the water storage tank 3 extends out of the box body 1, and the colorimetric tank 4 is installed outside the box body 1 and is connected to the water outlet pipe 33.

[0007] Further, the water pump 2 is a peristaltic pump, the water inlet pipe section of the water delivery pipe 21 is a spiral hose, and a counterweight 22 is installed at the end of the water inlet pipe section of the water delivery pipe 21.

[0008] Further, the water storage tank 3 is evenly divided into water storage grooves by a partition 31. A colorimetric tank 4 corresponding to the water storage grooves is installed outside the box body 1. A cover plate 32 is detachably installed on the top of the water storage tank 3. Water inlet holes capable of connecting the water delivery pipe 21 are opened on the cover plate 32 corresponding to each water storage groove. The water outlet pipe 33 of the water storage tank 3 extends out of each water storage groove and is correspondingly connected to the colorimetric tank 4 outside the box body 1.

[0009] Further, the colorimetric tank 4 includes a tank body 41 and a dust-proof cover 42, and the tank body 41 is detachably installed with the box body 1.

[0010] According to the above technical solution, the beneficial effects of the present utility model are as follows: The present utility model uses a peristaltic pump for sewage sampling, which avoids the direct contact between the sample and the pump body, and can ensure the pollution-free property and accuracy of the sample. The precise control ability of the peristaltic pump helps to achieve quantitative sampling, improve the repeatability and reliability of the sampling process. After the inner part of the water tank is partitioned, each layer of sewage can be stored in different compartments. The water outlet pipe discharges water from each compartment into the colorimetric tube and mixes with the reagent for colorimetry, avoiding mutual contamination during stratified detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the sampling and detection device;

[0012] Figure 2 It is a schematic diagram of the internal structure of the sampling and detection device;

[0013] Figure 3 It is a schematic diagram of the top structure of the sampling and detection device;

[0014] 1 - box body, 11 - handle, 2 - water pump, 21 - water delivery pipe, 22 - counterweight, 3 - water storage tank, 31 - partition board, 32 - cover plate, 33 - water outlet pipe, 4 - colorimetric tank, 41 - tank body, 42 - dust cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] In order to more clearly illustrate the technical solutions implemented by the present utility model, the present utility model will be described in detail below with reference to the drawings and embodiments.

[0016] A sewage sampling and detection device includes a box body 1, a water pump 2, a water storage tank 3, and a colorimetric tank 4. The water pump 2 and the water storage tank 3 are both installed inside the box body 1. The inlet pipe section of the water delivery pipe 21 of the water pump 2 extends out of the box body 1. The drain pipe section of the water delivery pipe 21 of the water pump 2 is connected to the upper end of the water storage tank 3. The water outlet pipe 33 of the water storage tank 3 extends out of the box body 1. The colorimetric tank 4 is installed outside the box body 1 and is connected to the water outlet pipe 33. Placing the sampling and detection device in the same box body facilitates the timely detection of the sampled sewage, avoids secondary pollution of the sewage after sampling, and affects the detection results. The box body 1 is equipped with a handle 11 for convenient carrying and operation.

[0017] Furthermore, the water pump 2 is a peristaltic pump. The inlet pipe section of the water delivery pipe 21 is a spiral flexible pipe. A counterweight 22 is installed at the end of the inlet pipe section of the water delivery pipe 21. Using a peristaltic pump for sewage sampling can ensure the pollution-free property and accuracy of the sample, avoiding the direct contact between the sample and the pump body. The precise control ability of the peristaltic pump helps to achieve quantitative sampling, improve the repeatability and reliability of the sampling process. One end of the spiral pipe can be bound with counterweights of different weights and sunk to different depths in the sewage for sampling, facilitating the detection of water quality conditions at various places in the water.

[0018] Furthermore, the water storage tank 3 is evenly divided into water storage grooves by a partition 31, and a colorimetric groove 4 corresponding to the water storage groove is installed outside the box body 1. A cover plate 32 is detachably installed on the top of the water storage tank 3, and a water inlet hole that can be connected to the water pipe 21 is opened on the cover plate 32 corresponding to each water storage groove. The water outlet pipe 33 of the water storage tank 3 extends from each water storage groove to connect to the colorimetric groove 4 on the outside of the box body 1. After the inside of the water tank is divided into grooves, each layer of the sewage can be stored in a different groove position. The water outlet pipe discharges water from each groove into the colorimetric tube for colorimetric mixing with the reagent, thereby avoiding mutual contamination when detecting sewage of different depths.

[0019] Furthermore, the colorimetric cell 4 includes a cell body 41 and a dust cover 42. The cell body 41 and the box body 1 are detachably mounted. The dust cover can prevent external pollutants from entering the colorimetric cell 4 during transportation and affecting subsequent detection results.

[0020] According to the above implementation mode, the working process of the utility model is as follows:

[0021] Start the water pump 2, extend a section of the outer side of the box body 1 of the water pipe 21 into the water, control the sampling depth of the water pipe 21 in the water by adjusting the bound counterweight weight, pump the sewage into the water tank 3, and load the sewage of a specific depth into a certain slot. After one slot is full, change the sampling depth of the water pipe 21, and pull out the interface between the water pipe 21 and the water tank 3. After rinsing the pipe, connect the water pipe 21 to the water inlet of another slot for sampling. When the water level in the water tank 3 rises, part of the sewage escapes from the outlet pipe 33 into the colorimetric tank 4, add a colorimetric reagent into the colorimetric tank 4, mix it thoroughly, and wait for 3-5 minutes before comparing the color with the colorimetric card to obtain the total phosphorus water quality data of the sewage. The remaining sewage in the water tank can be taken back to the laboratory for further testing. After the test is completed, the water tank cover 31 can be removed, the sewage can be poured out and the water tank can be cleaned. The section of the outer side of the water pipe 21 can be put into the box body 1, and the colorimetric tank 4 can also be removed and put into the box body 1.

[0022] The embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiment does not describe all the details in detail, nor does it limit the utility model to only the specific implementation methods described. According to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sewage sampling and detection device, characterized in that: It includes a box body (1), a water pump (2), a water storage tank (3), and a colorimetric tank (4). The water pump (2) and the water storage tank (3) are both installed inside the box body (1). The inlet pipe section of the water delivery pipe (21) of the water pump (2) extends out of the box body (1). The drain pipe section of the water delivery pipe (21) of the water pump (2) is connected to the upper end of the water storage tank (3). The outlet pipe (33) of the water storage tank (3) extends out of the box body (1). The colorimetric tank (4) is installed on the outside of the box body (1) and is connected to the outlet pipe (33).

2. The sampling and detection device according to claim 1, characterized in that: The water pump (2) is a peristaltic pump. The inlet pipe section of the water delivery pipe (21) is a spiral flexible pipe, and a counterweight block (22) is installed at the end of the inlet pipe section of the water delivery pipe (21).

3. The sampling and detection device according to claim 1, wherein: Inside the water storage tank (3), water storage grooves are evenly divided by a partition plate (31). A colorimetric tank (4) corresponding to the water storage grooves is installed outside the box body (1). A cover plate (32) is detachably installed on the top of the water storage tank (3). Water inlet holes capable of connecting the water delivery pipe (21) are opened on the cover plate (32) corresponding to each water storage groove. The outlet pipe (33) of the water storage tank (3) extends out of each water storage groove and is correspondingly connected to the colorimetric tank (4) on the outside of the box body (1).

4. The sampling and detection device according to claim 1, wherein: The colorimetric tank (4) includes a tank body (41) and a dust-proof cover (42), and the tank body (41) is detachably installed with the box body (1).

Images