CN210090446U - Marine steam-water centralized sampling system - Google Patents
Marine steam-water centralized sampling system Download PDFInfo
- Publication number
- CN210090446U CN210090446U CN201920777355.XU CN201920777355U CN210090446U CN 210090446 U CN210090446 U CN 210090446U CN 201920777355 U CN201920777355 U CN 201920777355U CN 210090446 U CN210090446 U CN 210090446U
- Authority
- CN
- China
- Prior art keywords
- sampling
- communicated
- valve
- pipeline
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a concentrated sampling system for marine steam-water, which comprises an integrated cooler and a plurality of sampling pipeline components; a cold source fluid channel and a plurality of heat source fluid channels are arranged in the integrated cooler; the sampling pipeline assembly comprises a sampling pipeline, the upstream of the sampling pipeline is a sampling end, a stop check valve, a temperature control electromagnetic valve and a temperature sensor are sequentially arranged on the sampling pipeline, the outlet of the stop check valve is communicated with the inlet of a heat source channel of the integrated cooler, and the outlet of the heat source channel is communicated with the inlet of the temperature control electromagnetic valve; the outlet of the flow regulating needle valve is communicated with a flow cell, and the flow cell is communicated with a sewage drainage main pipe. The utility model has the advantages that: the utility model has the advantages that: aiming at urgent needs of multi-position water quality monitoring of a marine steam power system and the limitation of space size, a plurality of sampling pipelines are designed to share one integrated cooler, and the volume and the space occupation of the sampling system are obviously reduced.
Description
Technical Field
The utility model relates to a quality of water sampling monitoring technology field, concretely relates to marine soda concentrates sampling system.
Background
In the field of steam power steam-water circulating water treatment, in order to avoid thinning and even damage of the wall surface of a steam-water pipeline and thermal equipment due to dissolved oxygen corrosion, flow accelerated corrosion, local caustic corrosion and the like, water quality indexes such as dissolved oxygen, pH, conductivity and the like need to be sampled and monitored on line at the positions of water supply, furnace water, steam and the like, and chemical liquid medicine is added in time to eliminate the dissolved oxygen in the water supply and adjust the pH value of the furnace water.
At present, the steam-water centralized sampling unit of the marine steam power system mostly adopts the mode that each path of working medium is independently cooled, a cooler is dispersedly arranged and a cooling water inlet and outlet main pipe is shared, a longer cooling water main pipe, a plurality of cooling water branch pipes, valve members and shell structural members exist, and space and weight resources are occupied. In addition, marine steam power system often contains many sets of soda and concentrates sampling unit, and its water quality monitoring demand is the same basically with appearance water flow, and the modularization of putting the sample unit in order to concentrate a set of soda has important meaning.
Disclosure of Invention
An object of the utility model is to provide a sample system and device are concentrated to marine soda that modularization, running cost are low to prior art not enough.
The utility model adopts the technical proposal that: a concentrated steam-water sampling system for ships comprises an integrated cooler and a plurality of sampling pipeline assemblies; a cold source fluid channel and a plurality of heat source fluid channels are arranged in the integrated cooler; the sampling pipeline assembly comprises a sampling pipeline, the upstream of the sampling pipeline is a sampling end, and a stop check valve, a temperature control electromagnetic valve and a temperature sensor are sequentially arranged on the sampling pipeline, wherein the outlet of the stop check valve is communicated with the inlet of a heat source channel of the integrated cooler, and the outlet of the heat source channel is communicated with the inlet of the temperature control electromagnetic valve; and an outlet of the temperature control electromagnetic valve is communicated with a flow cell, and the flow cell is communicated with a sewage drainage main pipe.
According to the scheme, the integrated cooler is a shell-and-tube heat exchanger and comprises a shell and heat exchange tubes vertically arranged in the shell in parallel, cooling media flow through the shell side of the integrated cooler, and fluid to be cooled flows through the heat exchange tubes; the outlet of the stop check valve is communicated with the inlet of one of the heat exchange tubes of the integrated cooler, and the outlet of the heat exchange tube is communicated with the inlet of the temperature control electromagnetic valve.
According to the scheme, a pressure reducing valve and a pressure gauge are sequentially arranged on a pipeline for communicating the outlet of the heat exchange tube with the temperature control electromagnetic valve.
According to the scheme, a safety branch is arranged on a pipeline for communicating the pressure reducing valve with the temperature control electromagnetic valve, and the safety branch is communicated with the sewage drainage main pipe; and the safety branch is provided with a safety valve.
According to the scheme, a coarse filter is arranged on a pipeline for communicating the stop check valve with the inlet of the heat exchange tube.
According to the scheme, a fine filter, a flow regulating needle valve and a flow display are sequentially arranged on a pipeline for communicating the temperature control electromagnetic valve with the flow cell.
According to the scheme, the outlets of the flow cells are provided with a common sampling groove, and the bottom outlets of the sampling grooves are communicated with the sewage main pipe.
The utility model has the advantages that:
1. the utility model designs a plurality of sampling pipelines to share one integrated cooler aiming at the urgent need of multi-position water quality monitoring and the limitation of space size of a marine steam power system, and compared with the prior art in which a vertical cooler is arranged and each sampling pipeline is correspondingly provided with a cooling pipe, the utility model reduces the number of cooling water pipes, corresponding inlet and outlet valves and pressure-resistant shells, and obviously reduces the volume and the space occupation of the sampling system; meanwhile, the number of sampling pipelines can be increased or decreased according to actual conditions, centralized sampling is realized, the operation of a cooling water system is facilitated, automatic chemical dosing treatment of water supply and furnace water is facilitated through online monitoring, the system installation and debugging are simplified, and the method can be directly applied to the model selection design of the marine steam power water treatment system with different power levels.
The utility model discloses in an integrated cooler of each sample pipeline sharing, the cooling water of integrated cooler shell side matches the equilibrium automatically between each way heat-transfer pipe of different heat transfer volumes, is favorable to realizing the cooling water constant flow operation.
3. The utility model discloses well integrated cooler of design carries out filtration treatment, design relief pressure valve to the appearance water to appearance water cooling, design filter to appearance water and carries out throttle decompression processing, has satisfied the detection appearance water requirement of online quality of water instruments such as conductivity, dissolved oxygen, pH, coordinates online water quality monitoring and promotes water processing system degree of automation, reduces the operation load of hydration chemistry operation personnel, guarantees the long-term safe and reliable operation of system.
4. The middle coarse filter is positioned at the upper stream of the sample water inlet of the integrated cooler, so that the blockage of a lower stream heat transfer pipe and a pressure reducing valve can be prevented; the fine filter is positioned at the upstream of the sample water flow cell, so that the probe of the online water quality meter inserted into the downstream of the sample water flow cell is prevented from being blocked and damaged.
Drawings
Fig. 1 is a schematic structural diagram of the middle sampling system of the present invention.
Wherein: 1. a stop check valve; 2. a coarse filter; 3. an integrated cooler; 4. a pressure reducing valve; 5. a temperature control solenoid valve; 6. a fine filter; 7. a flow regulating needle valve; 8. a flow-through cell; 9. a safety valve; 10. a pressure gauge; 11. a temperature sensor; 12. a flow indicator.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The concentrated sampling system for the steam water for the ship as shown in figure 1 comprises an integrated cooler 3 and a plurality of sampling pipeline assemblies; a cold source fluid channel and a plurality of heat source fluid channels are arranged in the integrated cooler 3; the sampling pipeline assembly comprises a sampling pipeline, the upper stream of the sampling pipeline is a sampling end, a stop check valve 1, a temperature control electromagnetic valve 5, a flow regulating needle valve 7 and a flow display are sequentially arranged on the sampling pipeline, the outlet of the stop check valve 1 is communicated with the inlet of a heat exchange pipe of the integrated cooler 3, and the outlet of the heat exchange pipe is communicated with the inlet of the temperature control electromagnetic valve 5; the outlet of the flow regulating needle valve 7 is communicated with a flow cell 8, and the flow cell 8 is communicated with a sewage drainage main pipe.
The utility model discloses in, be equipped with relief pressure valve 4, manometer 10 and temperature sensor 11 on the export of intercommunication heat exchange tube and temperature control solenoid valve 5's pipeline in proper order. A safety branch is arranged on a pipeline for communicating the pressure reducing valve 4 with the temperature control electromagnetic valve 5, and an outlet of the safety branch is communicated with a sewage drainage main pipe; and a safety valve 9 is arranged on the safety branch. A coarse filter 2, preferably a high-pressure coarse filter 2, is arranged on a pipeline for communicating the stop check valve 1 with the inlet of the heat exchange tube. A fine filter 6, preferably a low-pressure fine filter 6, is arranged on a pipeline for communicating the temperature control electromagnetic valve 5 with the flow regulating needle valve 7.
In the utility model, the integrated cooler 3 is a shell-and-tube heat exchanger, which comprises a shell and a heat exchange tube vertically arranged in the shell in parallel, a cooling medium flows through the shell side of the integrated cooler 3, and a fluid to be cooled flows through the heat exchange tube side; the outlet of the stop check valve 1 is communicated with the inlet of one of the heat exchange tubes of the integrated cooler 3, and the outlet of the heat exchange tube is communicated with the inlet of the temperature control electromagnetic valve 5. The heat exchange areas of the heat exchange tubes can be different, the fluid to be cooled flowing through the heat exchange tubes at the side is sample water from different parts of the steam-water system at different temperatures, pressures and flows, and the cooling medium flowing through the shell side is low-temperature seawater or desalted water for cooling.
The utility model discloses in, temperature-sensing solenoid valve 5 and temperature sensor 11 link to each other with control system respectively, and temperature sensor 11 is used for the survey water sample temperature, and manometer 10 is used for the survey appearance water pressure, and when appearance water overtemperature and superpressure, start automatic protect function, temperature-sensing solenoid valve 5 closes, prevents that the online quality of water instrument probe in low reaches is impaired. The coarse filter 2 and the fine filter 6 are used for filtering impurities in sample water, preventing the impurities from blocking or corroding a probe of the water quality instrument and prolonging the service life of the online water quality instrument. The flow regulating needle valve 7 and the flow indicator 12 control the flow range of the sample water flowing into the flow cell 8, and the measurement precision of the online water quality instrument is improved.
The utility model discloses a working process does: after the steam power system for the ship is started to operate, a cooling water inlet and outlet valve on the shell side of the integrated cooler 3 is opened, then the stop check valves 1 on all sampling pipelines are opened, and the flow regulating needle valve 7 is regulated to ensure that the temperature of sample water is lower than 40 ℃ and the flow is in the range of 100 mL/min-300 mL/min. Each path of sample water is cooled by the integrated cooler 3 and then sequentially passes through the pressure reducing valve 4, the safety valve 9 and the normally open temperature control electromagnetic valve 5 to become normal-temperature normal-pressure sample water; the normal temperature and pressure sample water sequentially passes through the fine filter 6, the flow regulating needle valve 7 and the flow indicator 12 and then enters the flow cell 8, and the water quality index can be detected in real time by an online water quality instrument which can be inserted into the flow cell 8, such as dissolved oxygen, pH or conductivity. When manual assay analysis is needed, the sampling vessel is washed for 2-3 times at the downstream sampling groove of the flow-through pool 8, and then a water sample is taken and left for analysis. In addition, the impurities intercepted in the cleaning of the high and low pressure filters should be periodically checked.
Examples
A marine steam-water centralized sampling system comprises a shared shell integrated cooler 33 and four sampling pipeline components, wherein a stop check valve 1, a high-pressure coarse filter 2, a pressure reducing valve 4, a normally open temperature control electromagnetic valve 5, a fine filter 6, a flow regulating needle valve 7, a flow cell 8, a pressure gauge 10, a temperature sensor 11 and a flow indicator 12 are respectively arranged on a sampling pipeline of each sampling pipeline component; each sampling pipeline is provided with a safety branch. In the embodiment, two sampling pipelines are used for water supply sampling (the water supply temperature is 120 ℃ and the pressure is 6.0MPa), the other two sampling pipelines are used for furnace water sampling (the furnace water temperature is 264 ℃ and the pressure is 5.0MPa), water sampled by the sampling ends of the four sampling pipelines enters a heat pipe of a shared integrated cooler 3 through a stop check valve 1 and a coarse filter 2 which are connected in series in front and back, exchanges heat with cooling fluid on the shell side, sequentially passes through a pressure reducing valve 4, a pressure gauge 10, a safety valve 9, a temperature sensor 11, a normally open temperature control electromagnetic valve 5 and a fine filter 6 to obtain low-temperature and low-pressure sample water (less than or equal to 40 ℃ and less than or equal to 0.25MPa), then the low-temperature and low-pressure sample water is subjected to flow regulation to the range of 100mL/min to 300mL/min through a flow regulation needle valve 7 and then reaches a flow cell 8 through a flow indicator 12 for online. The outlets of the safety valves 9 and the outlets of the flow cells 8 are connected with a sewage main pipe, and the detected sample water is discharged into the sewage main pipe.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A concentrated steam-water sampling system for ships is characterized by comprising an integrated cooler and a plurality of sampling pipeline assemblies; a cold source fluid channel and a plurality of heat source fluid channels are arranged in the integrated cooler; the sampling pipeline assembly comprises a sampling pipeline, the upstream of the sampling pipeline is a sampling end, and a stop check valve, a temperature control electromagnetic valve and a temperature sensor are sequentially arranged on the sampling pipeline, wherein the outlet of the stop check valve is communicated with the inlet of a heat source channel of the integrated cooler, and the outlet of the heat source channel is communicated with the inlet of the temperature control electromagnetic valve; and an outlet of the temperature control electromagnetic valve is communicated with a flow cell, and the flow cell is communicated with a sewage drainage main pipe.
2. The concentrated sampling system for the marine steam-water according to claim 1, wherein the integrated cooler is a shell-and-tube heat exchanger, which comprises a shell and heat exchange tubes vertically arranged in parallel in the shell, a cooling medium flows through the shell side of the integrated cooler, and a fluid to be cooled flows through the heat exchange tubes; the outlet of the stop check valve is communicated with the inlet of one of the heat exchange tubes of the integrated cooler, and the outlet of the heat exchange tube is communicated with the inlet of the temperature control electromagnetic valve.
3. The concentrated sampling system for the steam and water for the ship according to claim 2, wherein a pressure reducing valve and a pressure gauge are sequentially arranged on a pipeline for communicating the outlet of the heat exchange pipe with the temperature control electromagnetic valve.
4. The concentrated sampling system for marine soda water according to claim 3, characterized in that a safety branch is provided on a pipeline connecting the pressure reducing valve and the temperature control solenoid valve, the safety branch being communicated with the blowdown header pipe; and the safety branch is provided with a safety valve.
5. The concentrated sampling system for marine steam-water according to claim 2, wherein a coarse filter is provided on a pipeline communicating the check valve with the inlet of the heat exchange pipe.
6. The concentrated sampling system for marine soda water according to claim 2, characterized in that a fine filter, a flow regulating needle valve and a flow display are sequentially arranged on a pipeline connecting the temperature control solenoid valve and the flow cell.
7. The concentrated sampling system for marine soda water as claimed in claim 2, wherein the outlets of the flow-through cells are provided with a common sampling tank, and the bottom outlets of the sampling tanks are communicated with the sewage header pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777355.XU CN210090446U (en) | 2019-05-27 | 2019-05-27 | Marine steam-water centralized sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777355.XU CN210090446U (en) | 2019-05-27 | 2019-05-27 | Marine steam-water centralized sampling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090446U true CN210090446U (en) | 2020-02-18 |
Family
ID=69480310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920777355.XU Active CN210090446U (en) | 2019-05-27 | 2019-05-27 | Marine steam-water centralized sampling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210090446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648718A (en) * | 2021-07-13 | 2021-11-16 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Sampling device with automatic backwashing system |
| CN115575459A (en) * | 2022-12-08 | 2023-01-06 | 中国核动力研究设计院 | Miniaturized modular water quality on-line monitoring system |
-
2019
- 2019-05-27 CN CN201920777355.XU patent/CN210090446U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648718A (en) * | 2021-07-13 | 2021-11-16 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Sampling device with automatic backwashing system |
| CN115575459A (en) * | 2022-12-08 | 2023-01-06 | 中国核动力研究设计院 | Miniaturized modular water quality on-line monitoring system |
| CN115575459B (en) * | 2022-12-08 | 2023-06-09 | 中国核动力研究设计院 | Miniaturized modularized water quality on-line monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210090446U (en) | Marine steam-water centralized sampling system | |
| CN101477843A (en) | High temperature high pressure water circulation system | |
| CN110411738B (en) | Flow resistance test system and method for modular valve flow | |
| CN206168250U (en) | Reverse osmosis membrane performance detection device | |
| CN107271109A (en) | A kind of leak detection system and method | |
| CN216429784U (en) | Natural gas heating device | |
| CN115615689A (en) | Steam trap performance test device | |
| CN110849205B (en) | Water-cooling constant-pressure liquid supplementing water tank system and application method thereof | |
| CN212622559U (en) | Corrosion control device for water vapor system of power plant | |
| CN211741144U (en) | Radioactive gas analysis integrated device | |
| CN211554260U (en) | Fuel cell test platform | |
| CN108516072B (en) | Low-temperature cooling water device for ship | |
| CN209605460U (en) | Originally water circulation cooling device | |
| CN106166395A (en) | A kind of sulfuric acid evaporator for refined acid process units | |
| CN108917867B (en) | Dynamic detection system for fuel oil consumption | |
| CN219608907U (en) | Water quality monitoring system | |
| CN107740129B (en) | Heating system of acid for strip steel pickling | |
| CN218723319U (en) | Cooling system for high-temperature liquid medium | |
| CN220690180U (en) | Flow testing device | |
| CN214251403U (en) | Detection system | |
| CN209296327U (en) | A kind of automobile testing laboratory recirculating cooling water system | |
| CN116027005A (en) | Device for measuring deoxidization capacity of deoxidization resin | |
| CN220063415U (en) | Boiler control simulation test system | |
| CN212157232U (en) | Wear-resistant flue gas heat exchanger | |
| CN209840237U (en) | Heat exchanger heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |