Conductivity measuring assembly suitable for high-temperature and high-salinity wastewater

Abstract

The utility model relates to the technical field of wastewater conductivity measurement, in particular to a conductivity measurement assembly suitable for high-temperature and high-salinity wastewater, which comprises a conductivity instrument, an electrode, a flow cell, a connecting valve I, a connecting pipe I, a connecting valve II, a connecting pipe II and a three-way joint, the conductivity meter is electrically connected with the electrode, the electrode is mounted at the inner top of the flow-through cell, a bottom port of the flow-through cell is connected with the three-way joint mounted on a wastewater process pipeline through a connecting valve I, the side surface of the flow-through cell is connected with the connecting pipe I, and the connecting pipe I is connected with the flow-through cell. The first connecting pipe is connected with the second connecting pipe through a second connecting valve, and the second connecting pipe is used for guiding waste water into a recycling pool and / or a trench. By applying the conductivity measuring assembly suitable for the high-temperature and high-salinity wastewater, the conductivity of the wastewater can be accurately measured in real time, and the electrodes are not easy to damage.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater conductivity measurement technical field, concretely relates to a conductivity measurement assembly suitable for high temperature high salt wastewater. BACKGROUND

[0002] Conductivity is a measure of the ability of a material to conduct electricity, and it is the inverse of resistivity. In water quality monitoring, conductivity is a very important parameter, which can reflect the important indicators of salt content, ion content and impurity content in water.

[0003] At present, in the process of production, the condensate pump effluent temperature of desulfurization wastewater zero discharge three-effect flash evaporation system is usually as high as 90 DEG C, and the flow rate of wastewater is fast, if the electrode of conductivity equipment is directly used to measure the conductivity of wastewater, not only the measurement result is inaccurate, but also the sensor of electrode is damaged after long time use, resulting in increased use cost.

[0004] Therefore, there is an urgent need for a conductivity measurement assembly suitable for high temperature high salt wastewater to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model discloses a conductivity measurement assembly suitable for high temperature high salt wastewater to solve the problems of inaccurate measurement result, easy damage of electrode sensor and increased use cost in the measurement of condensate pump effluent conductivity of desulfurization wastewater zero discharge three-effect flash evaporation system in the prior art.

[0006] The technical scheme of the utility model is as follows:

[0007] A conductivity measurement assembly suitable for high temperature high salt wastewater, comprising a conductivity meter, an electrode, a flow cell, a connection valve one, a connection pipe one, a connection valve two, a connection pipe two and a tee joint.

[0008] The conductivity meter and the electrode are electrically connected, the electrode is installed at the inner top of the flow cell, the bottom port of the flow cell is connected with the tee joint installed on the wastewater process pipeline through the connection valve one, the flow cell is connected with the connection pipe one, the connection pipe one is connected with the connection pipe two through the connection valve two, and the connection pipe two is used to guide the wastewater into the recovery pool and / or the ditch.

[0009] Preferably, the length L of the flow cell is greater than the inner diameter of the tee joint.

[0010] Preferably, the length L of the flow cell is 45-55mm, and the height h is 140-160mm.

[0011] Preferably, the connection pipe one is a polyethylene pipe.

[0012] Preferably, the connecting pipe one is L-shaped.

[0013] Preferably, the connecting pipe two is stainless steel pipe.

[0014] Preferably, the flow cell, the connecting valve one and the connecting valve two are all made of stainless steel.

[0015] Preferably, the connecting valve one is flange butterfly valve.

[0016] Preferably, the connecting valve two is needle valve.

[0017] Preferably, it further comprises a support frame for fixing the flow cell.

[0018] According to the above technical solution, based on the conductivity measurement assembly suitable for high-temperature and high-salt wastewater, by designing the flow cell and installing the electrode on the top of the flow cell, the bottom port is connected with the tee joint installed on the wastewater process pipeline through the connecting valve one, the side surface is connected with the connecting pipe one, and the connecting pipe one is connected with the connecting pipe two through the connecting valve two, and the connecting pipe two is used for guiding the part of the wastewater to flow back, in actual application, the flow speed of the condensate pump outlet water can be slowed down and the temperature can be reduced based on the flow cell, so that the accuracy of the wastewater conductivity measurement is effectively improved, and the too fast damage of the electrode sensor device is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the conductivity measurement assembly suitable for high-temperature and high-salt wastewater.

[0020] REFERENCE SIGNS

[0021] 1, conductivity meter; 2, electrode; 3, flow cell; 4, connecting valve one; 5, connecting pipe one; 6, connecting valve two; 7, connecting pipe two; 8, tee joint. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model embodiments are described in detail below. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model embodiments, and are not used to limit the utility model embodiments.

[0023] In the description of the present application, the term "comprising" and any variation thereof means non-exclusive containing, possibly existing or adding one or more other features, units, components and / or combinations thereof.

[0024] In addition, unless specifically stated and limited otherwise, the terms "mounting", "connected", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0025] The utility model provides a conductivity measurement assembly suitable for high temperature high salt wastewater, such as Figure 1 The conductivity measurement assembly suitable for high temperature high salt wastewater includes conductivity meter 1, electrode 2, flow cell 3, connection valve one 4, connecting pipe one 5, connection valve two 6, connecting pipe two 7 and three -way joint 8.

[0026] The conductivity meter 1 and the electrode 2 are electrically connected, the electrode 2 is installed at the inner top of the flow cell 3, the bottom port of the flow cell 3 is connected with the three -way joint 8 installed on the wastewater process pipeline through the connection valve one 4, the side of the flow cell 3 is connected with the connecting pipe one 5, the connecting pipe one 5 is connected with the connecting pipe two 7 through the connection valve two 6, and the connecting pipe two 7 is used to guide the wastewater to the recovery pool and / or the ditch.

[0027] According to the above technical scheme, based on the conductivity measurement assembly suitable for high temperature high salt wastewater, the flow rate of the condensate pump outlet water can be slowed down and the temperature can be reduced based on the flow cell in actual application, so that the accuracy of the wastewater conductivity measurement is effectively improved, and the electrode sensor device is prevented from being damaged too fast.

[0028] In the conductivity measurement assembly suitable for high temperature high salt wastewater, preferably, one end of the three -way joint 8 connected with the connection valve one 4 is provided with a valve, so that the installation and maintenance of other components are facilitated. More preferably, the three -way joint 8 can also be directly designed as a three -way valve.

[0029] In the conductivity measurement assembly suitable for high temperature high salt wastewater, preferably, the length L of the flow cell 3 is greater than the inner diameter of the three -way joint 8, so that the flow rate of the wastewater entering the inside of the flow cell 3 from the bottom port thereof is slowed down better, the abrasion and damage of the sensor device of the electrode 2 caused by the too fast flow rate of the wastewater are avoided, and the accuracy of the electrode 2 for measuring the conductivity of the wastewater is improved. The conductivity meter 1 and the electrode 2 are both direct applications of prior art devices, so their specific structure and measurement principle are not described here.

[0030] In a specific embodiment, as Figure 1As shown, the length L of the flow cell 3 is 45-55mm, preferably 48-52mm, and most preferably 50mm, and the height h is 140-160mm, preferably 145-155mm, and most preferably 150mm, so that in actual application, the wastewater flow rate entering the flow cell 3 can be better slowed down.

[0031] In the conductivity measurement assembly suitable for high-temperature and high-salt wastewater, preferably, the connecting pipe one 5 is a polyethylene pipe, specifically The reinforced polyvinyl chloride pipe. In actual application, by making the connecting pipe one 5 a reinforced polyvinyl chloride pipe, it can be designed into various shapes according to the actual drainage needs. Specifically, as shown, Figure 1 The connecting pipe one 5 is designed into an L shape, and the short side of the L-shaped connecting pipe one 5 is downward, so that the wastewater entering the flow cell 3 can be better recovered into the recovery tank and / or the ditch through the connecting valve two 6 and the connecting pipe two 7.

[0032] In another preferred embodiment, the connecting pipe two 7 is a stainless steel pipe, so that it has sufficient structural strength and is convenient to install in the recovery tank or the ditch, thereby better guiding and recovering the wastewater into the recovery tank or the ditch.

[0033] In the conductivity measurement assembly suitable for high-temperature and high-salt wastewater, preferably, the flow cell 3 is made of stainless steel. By further making the flow cell 3 of stainless steel, direct heat exchange with the external environment can be realized, and in combination with the wastewater entering the flow cell 3 from the bottom and the length L and height h of the flow cell 3, in actual application, the wastewater temperature in the flow cell 3 is obviously lower than that in the heat-insulated process pipeline, thereby effectively avoiding the temperature of the wastewater being too high, causing the sensor of the electrode 2 to be damaged too quickly, and thereby prolonging the service life of the electrode 2 and reducing the use cost of the equipment.

[0034] Further preferably, the side surfaces of the flow cell 3 are each provided with a plurality of ventilation grooves at a predetermined interval, thereby further improving the heat exchange efficiency of the flow cell 3 with the external environment.

[0035] In another preferred embodiment, the connecting valve one 4 and the connecting valve two 6 are both made of stainless steel. Specifically, the connecting valve one 4 is a flange butterfly valve, thereby improving the sealing performance. The connecting valve two 6 is a needle valve, thereby adjusting the water flow rate and further improving the measurement accuracy of the electrode 2 on the wastewater conductivity.

[0036] The utility model discloses a conductivity measurement assembly suitable for high-temperature high-salt wastewater, which is used for measuring the conductivity of condensed water of a condensing pump of a desulfurization wastewater zero-emission three-effect flash evaporation system.

[0037] The utility model will be described in detail through examples below, but the protection scope of the utility model is not limited to this.

[0038] Example 1

[0039] The conductivity measurement assembly suitable for high-temperature high-salt wastewater shown in Figure 1 is used for measuring the conductivity of condensed water of a condensing pump of a desulfurization wastewater zero-emission three-effect flash evaporation system.

[0040] The conductivity meter 1 and the electrode 2 are electrically connected, the electrode 2 is installed at the inner top of the flow cell 3, the bottom port of the flow cell 3 is connected with the three-way joint 8 installed on the wastewater process pipeline through the connecting valve one 4, the flow cell 3 is connected with the connecting pipe one 5, the connecting pipe one 5 is connected with the connecting pipe two 7 through the connecting valve two 6, and the connecting pipe two 7 is used for guiding wastewater to a recovery tank and / or a ditch.

[0041] Specifically, the length L of the flow cell 3 is greater than the inner diameter of the three-way joint 8; the length L of the flow cell 3 is 50 mm, and the height h is 150 mm; the connecting pipe one 5 is an 8 reinforced polyethylene pipe; the connecting pipe one 5 is L-shaped; the connecting pipe two 7 is a stainless steel pipe; the flow cell 3, the connecting valve one 4 and the connecting valve two 6 are all made of stainless steel; the connecting valve one 4 is a flange butterfly valve; the connecting valve two 6 is a DN6 needle valve; and the utility model further comprises a support frame for fixing the flow cell 3.

[0042] In actual application, first, the DN6 needle valve is opened to a set opening degree, then the flange butterfly valve is opened to make part of wastewater of the wastewater process pipeline enter the bottom of the flow cell 3 and gradually fill the flow cell 3, then the wastewater in the flow cell 3 is guided to the DN6 needle valve through the L-shaped 8 reinforced polyethylene pipe and is guided to the stainless steel pipe through the DN6 needle valve, and finally the wastewater in the stainless steel pipe is guided to the recovery tank for recovery; the conductivity meter 1 and the electrode 2 are used for measuring the conductivity of the wastewater entering the flow cell 3 in real time.

[0043] The conductivity measurement assembly suitable for high-temperature and high-salt wastewater has the advantages that the influence of the too high wastewater flow rate on the accuracy of the wastewater conductivity measurement can be effectively avoided, the wear of the electrode sensor device caused by the impurities in the wastewater and the damage of the electrode sensor device caused by the too high wastewater temperature can be effectively avoided, the wastewater conductivity measurement accuracy is high, and the equipment use cost is low.

[0044] The conductivity measurement assembly suitable for high-temperature and high-salt wastewater is characterized in that a flow cell is designed, electrodes are installed at the top of the flow cell, the bottom port of the flow cell is connected with the three-way joint installed on the wastewater process pipeline through the connecting valve one, the side surface of the flow cell is connected with the connecting pipe one, the connecting pipe one is connected with the connecting pipe two through the connecting valve two, and the connecting pipe two is used for guiding and recycling the part of the wastewater.

[0045] The above describes the preferred embodiments of the utility model, but the utility model is not limited to this. Within the technical concept range of the utility model, the technical scheme of the utility model can be simply changed in many ways, and in order to avoid unnecessary repetition, the utility model will not be described again for various possible combination ways. However, these simple changes and combinations should also be regarded as the disclosed contents of the utility model, and all belong to the protection range of the utility model.

Claims

1. A conductivity measurement component suitable for high-temperature and high-salinity wastewater, characterized in that, The conductivity measuring assembly suitable for high-temperature and high-salinity wastewater comprises a conductivity meter (1), an electrode (2), a flow cell (3), a connecting valve I (4), a connecting pipe I (5), a connecting valve II (6), a connecting pipe II (7), and a tee joint (8). The conductivity meter (1) and the electrode (2) are electrically connected, the electrode (2) is installed at the inner top of the flow cell (3), the bottom port of the flow cell (3) is connected with the tee joint (8) installed on the wastewater process pipeline through the connecting valve I (4), the connecting pipe I (5) is connected with the side of the flow cell (3), the connecting pipe I (5) is connected with the connecting pipe II (7) through the connecting valve II (6), and the connecting pipe II (7) is used for guiding wastewater into a recovery tank and / or a ditch.

2. The conductivity measuring assembly suitable for high temperature high salinity wastewater according to claim 1, wherein, The length L of the flow cell (3) is greater than the inner diameter of the tee joint (8).

3. The conductivity measuring assembly suitable for high temperature high salinity wastewater of claim 2, wherein, The length L of the flow cell (3) is 45-55 mm, and the height h is 140-160 mm.

4. The conductivity measuring assembly suitable for high temperature high salinity wastewater of claim 1, wherein, The connecting pipe I (5) is a polyethylene pipe.

5. The conductivity measuring assembly suitable for high temperature high salinity wastewater according to claim 1 or 4, characterized in that, The connecting pipe I (5) is L-shaped.

6. The conductivity measuring assembly suitable for high temperature high salinity wastewater of claim 1, wherein, The connecting pipe II (7) is a stainless steel pipe.

7. The conductivity measuring assembly suitable for high temperature high salinity wastewater of claim 1, wherein, The flow cell (3), the connecting valve I (4), and the connecting valve II (6) are all made of stainless steel. 8.The conductivity measurement assembly suitable for high temperature and high salinity wastewater according to claim 1 or 7, characterized in that, The connecting valve I (4) is a flange butterfly valve. 9.The conductivity measurement assembly suitable for high temperature and high salinity wastewater according to claim 1 or 7, characterized in that, The connecting valve II (6) is a needle valve.

10. The conductivity measuring assembly suitable for high temperature high salinity wastewater of claim 1, wherein, A support frame is further included for fixing the flow cell (3).

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