CN220819999U - On-line monitoring device for water quality and conductivity of boiler feed water - Google Patents
On-line monitoring device for water quality and conductivity of boiler feed water Download PDFInfo
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- CN220819999U CN220819999U CN202322494830.1U CN202322494830U CN220819999U CN 220819999 U CN220819999 U CN 220819999U CN 202322494830 U CN202322494830 U CN 202322494830U CN 220819999 U CN220819999 U CN 220819999U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 211
- 238000012806 monitoring device Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model provides a boiler feed water quality conductivity on-line monitoring device, wherein a deoxidizing water tank supplies water to a boiler through a boiler feed water pipeline, a boiler feed water vertical pipe section of the boiler feed water pipeline is vertical, a boiler feed water detection pipeline is led out from the upstream of the pipe section, the boiler feed water detection pipeline is provided with an upper end stop valve and is connected to a water inlet at the top of a flow-through cell, a water outlet at the top of the flow-through cell is externally connected with a water outlet pipe, a vertical partition plate is arranged in the cell between the water inlet and the water outlet, and a conductivity sensor is arranged at the lower end part of the side wall of the flow-through cell; the tail end of the water outlet pipe is respectively connected with a return pipe and a water outlet pipe through a tee joint, the return pipe is connected to a boiler water supply vertical pipe section and is provided with a lower end stop valve, and the water outlet pipe is provided with a water outlet stop valve; the boiler water supply transverse pipe section is horizontal, and two parallel transverse pipe section branches with water supply booster pumps are formed. The utility model realizes the real-time detection of the conductivity of the water quality of the boiler feedwater, is beneficial to guaranteeing the timeliness and the continuity of the detection and saving water resources.
Description
Technical Field
The utility model relates to an on-line monitoring device for the water quality and conductivity of boiler feed water.
Background
At present, the water quality conductivity of boiler feed water adopts an off-line detection or manual off-line detection mode. In practice, the following disadvantages mainly exist:
1. the offline detection has the defects that the timeliness is poor, and the detection data cannot reflect the change process;
2. The waste water and heat are detected off-line.
The defects cause that when in actual use, the water quality of the boiler feed water exceeds standard and water resource waste is often caused due to the untimely offline detection.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the online monitoring device for the water quality and conductivity of the boiler feedwater, which realizes the real-time detection of the water quality and conductivity of the boiler feedwater, is beneficial to guaranteeing the timeliness and the continuity of the detection and saving water resources.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an on-line monitoring device for the conductivity of the water quality of boiler feed water is characterized in that:
The deoxidization water tank supplies water to the boiler through a boiler water supply pipeline, and the boiler water supply pipeline sequentially comprises a boiler water supply vertical pipe section and a boiler water supply horizontal pipe section along the flow direction from the joint of the deoxidization water tank;
The boiler water supply vertical pipe section is vertical, a branch is led out from the upstream position of the pipe section and is used as a boiler water supply detection pipeline, the boiler water supply detection pipeline is of an L-shaped structure and sequentially comprises a horizontal detection pipeline transverse pipe section and a vertical detection pipeline vertical pipe section along the flow direction; the detection pipeline transverse pipe section is provided with an upper end stop valve, the detection pipeline vertical pipe section is connected to a water inlet on one side of the top of the flow cell, the other side of the top of the flow cell is provided with a water outlet and is externally connected with a water outlet, a vertical partition plate is arranged in the cell between the water inlet and the water outlet, a space is left between the vertical partition plate and the bottom of the cell, the space in the cell is divided into a water inlet area on the side where the water inlet is positioned and a water outlet area on the side where the water outlet is positioned, liquid flow between the water inlet area and the water outlet area circulates through a gap between the vertical partition plate and the bottom of the cell, and a conductivity sensor is arranged on the flow cell and at the lower end part of the side wall on the side where the water inlet area is positioned and is used for detecting the water conductivity in the cell; the water outlet pipe is bent and vertically extends downwards to the lower part of the periphery of the flow cell, the tail end of the water outlet pipe is respectively connected with a return pipe and a water outlet pipe which are horizontally arranged through a tee joint, the return pipe is connected to a boiler water supply vertical pipe section, a lower end stop valve is arranged, and a water outlet stop valve is arranged on the water outlet pipe;
The horizontal boiler water supply pipe section is horizontal and distributed with the vertical boiler water supply pipe section in an L shape, two parallel horizontal pipe section branches are formed on the pipe section, and each horizontal pipe section branch is provided with a water supply booster pump.
The utility model is also characterized in that:
The volume of the flow cell was 2 liters.
The boiler water supply detection pipeline, the water outlet pipe, the return pipe and the water outlet pipe are all thin steel pipes, and the pipe diameter is 15mm.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a novel detection mode of the water quality conductivity of the boiler feed water, so that the water quality conductivity of the boiler feed water can be detected in real time on line, the feed water at the detection position of the conductivity sensor is in a flowing state, the timeliness and the continuity of detection and the accuracy of detection data are ensured, and on the other hand, the detection work is independent of a boiler feed water pipeline, so that the daily maintenance and troubleshooting work of the conductivity sensor cannot interfere with the boiler feed water, the equipment efficiency and the process control capability are improved, and the effect of saving water resources is achieved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1 is a deoxidized water tank; 2, a boiler water supply vertical pipe section; 3, a boiler water supply horizontal pipe section; 4, detecting the transverse pipe section of the pipeline; 5, detecting a vertical pipe section of the pipeline; 6, an upper end stop valve; 7, a flow cell; 8, erecting a partition plate; 9 a conductivity sensor; 10, a water outlet pipe; 11 return pipes; a 12 lower end stop valve; 13 a drain pipe; 14 a drain stop valve; 15 transverse pipe section branches; 16 feed water booster pumps.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the structure of the on-line monitoring device for water quality and conductivity of boiler feedwater according to this embodiment is as follows:
The deoxidization water tank 1 supplies water to a boiler through a boiler water supply pipeline, and the boiler water supply pipeline sequentially comprises a boiler water supply vertical pipe section 2 and a boiler water supply horizontal pipe section 3 along the flow direction from the joint of the deoxidization water tank 1;
The boiler water supply vertical pipe section 2 is vertical, a branch is led out from the upstream position of the pipe section and is used as a boiler water supply detection pipeline, the boiler water supply detection pipeline is of an L-shaped structure, and the boiler water supply detection pipeline sequentially comprises a horizontal detection pipeline transverse pipe section 4 and a vertical detection pipeline vertical pipe section 5 along the flow direction; the upper end stop valve 6 is arranged on the transverse pipe section 4 of the detection pipeline, the vertical pipe section 5 of the detection pipeline is connected to a water inlet on one side of the top of the flow cell 7, the other side of the top of the flow cell 7 is provided with a water outlet and is externally connected with a water outlet pipe 10, a vertical partition plate 8 is arranged between the water inlet and the water outlet in the middle of the position of the water inlet in the cell, a space is left between the vertical partition plate 8 and the bottom of the cell, the space in the cell is divided into a water inlet area on the side of the water inlet and a water outlet area on the side of the water outlet, liquid flow between the water inlet area and the water outlet area circulates through a gap between the vertical partition plate 8 and the bottom of the cell, and the lower end part of the side wall on the side of the water inlet area is provided with a conductivity sensor 9 for detecting the water conductivity in the cell; the water outlet pipe 10 is bent and vertically extends downwards to the lower part of the periphery of the flow cell 7, the tail end of the water outlet pipe is respectively connected with a return pipe 11 and a water outlet pipe 13 which are horizontally arranged through a tee joint, the return pipe 11 is connected to the boiler water supply vertical pipe section 2 and is provided with a lower end stop valve 12, and the water outlet pipe 13 is provided with a water outlet stop valve 14;
The horizontal boiler feed water pipe section 3 is horizontal and distributed with the vertical boiler feed water pipe section 2 in an L shape, two parallel horizontal pipe section branches 15 are formed on the pipe section, and each horizontal pipe section branch 15 is provided with a feed water booster pump 16.
In a specific implementation, the corresponding structure arrangement also includes:
The water inlet and the water outlet are arranged at the top of the flow cell 7, and the vertical partition plate 8 is arranged in the cell, so that a flow path of boiler feed water when passing through the flow cell 7 is a water inlet, a gap between the vertical partition plate 8 and the bottom of the cell, and a water outlet, so that the feed water to be detected in the flow cell 7 is in a full cell state, and further, the detection end of the conductivity sensor 9 inserted in the flow cell 7 is positioned in the flowing feed water all the time, and the online detection of the conductivity of the water quality of the feed water is realized.
The water consumption for detection is led out from the boiler water supply detection pipeline as little as possible, so as to save water resources, and in the embodiment:
The volume of the flow cell 7 was 2 liters.
The boiler water supply detection pipeline, the water outlet pipe 10, the return pipe 11 and the water outlet pipe 13 are all thin steel pipes, and the pipe diameter is 15 mm.
In each of the above upright pipe sections, the flow of feed water within the riser is achieved by its own weight.
Different from the traditional detection mode, the device is independent of the detection work of the water quality conductivity of the feed water from the boiler feed water pipeline, and the stop valves are respectively arranged on the water outlet path from the boiler feed water pipeline and the return path to the boiler feed water pipeline. The implementation can be performed by referring to the following modes:
1. Detecting conductivity of water quality of feed water
In the on-line detection, the upper end stop valve 6 and the lower end stop valve 12 are opened, and the drain stop valve 14 is closed. The boiler water supply detection pipeline is arranged, so that the boiler water supply output from the deoxidizing water tank 1 is divided into two paths. One path of the water is supplied to the boiler through a boiler water supply pipeline, the other path of the water is used for real-time detection of water quality conductivity, the water flows into the flow cell 7 from a water inlet through a boiler water supply detection pipeline, after the water in the flow cell 7 is fully accumulated, the water flows out from the water outlet pipe 10 through a water outlet, the water flows back into the boiler water supply vertical pipe section 2 through the return pipe 11, and the detection end of the conductivity sensor 9 is always immersed in the water flowing in the flow cell 7, so that the on-line detection of the water quality conductivity of the water is realized;
2. Conductivity detection part maintenance
Closing the upper end stop valve 6 and the lower end stop valve 12, opening the drainage stop valve 14, enabling residual water in a pipe section of the boiler water supply detection pipeline after the upper end stop valve 6 and residual water in the water outlet pipe 10 to be discharged through the water outlet pipe 13, removing the conductivity sensor 9 after all water is discharged, carrying out overhaul or maintenance, reinstalling the conductivity sensor 9 after completion, closing the drainage stop valve 14, opening the upper end stop valve 6 and the lower end stop valve 12, and then continuously carrying out online detection of water quality conductivity of the water supply.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (3)
1. An on-line monitoring device for the conductivity of the water quality of boiler feed water is characterized in that:
The deoxidization water tank supplies water to the boiler through a boiler water supply pipeline, and the boiler water supply pipeline sequentially comprises a boiler water supply vertical pipe section and a boiler water supply horizontal pipe section along the flow direction from the joint of the deoxidization water tank;
The boiler water supply vertical pipe section is vertical, a branch is led out from the upstream position of the pipe section and is used as a boiler water supply detection pipeline, the boiler water supply detection pipeline is of an L-shaped structure and sequentially comprises a horizontal detection pipeline transverse pipe section and a vertical detection pipeline vertical pipe section along the flow direction; the detection pipeline transverse pipe section is provided with an upper end stop valve, the detection pipeline vertical pipe section is connected to a water inlet on one side of the top of the flow cell, the other side of the top of the flow cell is provided with a water outlet and is externally connected with a water outlet, a vertical partition plate is arranged in the cell between the water inlet and the water outlet, a space is left between the vertical partition plate and the bottom of the cell, the space in the cell is divided into a water inlet area on the side where the water inlet is positioned and a water outlet area on the side where the water outlet is positioned, liquid flow between the water inlet area and the water outlet area circulates through a gap between the vertical partition plate and the bottom of the cell, and a conductivity sensor is arranged on the flow cell and at the lower end part of the side wall on the side where the water inlet area is positioned and is used for detecting the water conductivity in the cell; the water outlet pipe is bent and vertically extends downwards to the lower part of the periphery of the flow cell, the tail end of the water outlet pipe is respectively connected with a return pipe and a water outlet pipe which are horizontally arranged through a tee joint, the return pipe is connected to a boiler water supply vertical pipe section, a lower end stop valve is arranged, and a water outlet stop valve is arranged on the water outlet pipe;
The horizontal boiler water supply pipe section is horizontal and distributed with the vertical boiler water supply pipe section in an L shape, two parallel horizontal pipe section branches are formed on the pipe section, and each horizontal pipe section branch is provided with a water supply booster pump.
2. The on-line monitoring device for the conductivity of the water quality of the boiler feedwater of claim 1, wherein: the volume of the flow cell was 2 liters.
3. The on-line monitoring device for the conductivity of the water quality of the boiler feedwater of claim 1, wherein: the boiler water supply detection pipeline, the water outlet pipe, the return pipe and the water outlet pipe are all thin steel pipes, and the pipe diameter is 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322494830.1U CN220819999U (en) | 2023-09-14 | 2023-09-14 | On-line monitoring device for water quality and conductivity of boiler feed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322494830.1U CN220819999U (en) | 2023-09-14 | 2023-09-14 | On-line monitoring device for water quality and conductivity of boiler feed water |
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| Publication Number | Publication Date |
|---|---|
| CN220819999U true CN220819999U (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322494830.1U Active CN220819999U (en) | 2023-09-14 | 2023-09-14 | On-line monitoring device for water quality and conductivity of boiler feed water |
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| Country | Link |
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| CN (1) | CN220819999U (en) |
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2023
- 2023-09-14 CN CN202322494830.1U patent/CN220819999U/en active Active
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