CN215063148U - Large-scale recirculated cooling water station side drainage handles economizer system - Google Patents
Large-scale recirculated cooling water station side drainage handles economizer system Download PDFInfo
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- CN215063148U CN215063148U CN202121052109.1U CN202121052109U CN215063148U CN 215063148 U CN215063148 U CN 215063148U CN 202121052109 U CN202121052109 U CN 202121052109U CN 215063148 U CN215063148 U CN 215063148U
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Abstract
The utility model discloses a other drainage processing economizer system in large-scale recirculated cooling water station, it is including locating the other gravity type valveless filter in bad water-cooling pond of circulation, gravity type valveless filter's water inlet is through advancing water piping connection two way delivery pipes, and two way delivery pipes are delivery pipe and high temperature season delivery pipe respectively for low temperature season, delivery pipe one end connection inlet tube in low temperature season, the return water pipe that has pressure in bad water-cooling pond is connected to the other end, delivery pipe one end connection inlet tube in high temperature season, bad water-cooling pond of circulation is connected to the other end to install the working shaft on the delivery pipe in high temperature season, gravity type valveless filter's delivery port is connected to bad water-cooling pond of circulation through going out the water pipe. The utility model discloses a lower gravity type valveless filter to water pressure requirement to the delivery pipe of filter is two the tunnel, uses all the way in low temperature season, uses all the way in high temperature season, can furthest practice thrift the energy consumption to other filtration system water supplies like this, practices thrift a large amount of costs for the enterprise.
Description
Technical Field
The utility model relates to a drainage processing system specifically is a other drainage processing economizer system of large-scale recirculated cooling water station, belongs to energy-concerving and environment-protective technical field.
Background
The indirect cooling open type circulating water cooling water system is characterized in that air and circulating water are mixed in the cooling process, and suspended matters in the air continuously enter the circulating water system; in order to reduce the consumption of fresh water, the concentration ratio of circulating cooling water needs to be increased, so that the concentration of suspended matters in the circulating water is increased continuously. In order to keep the concentration of suspended matters in the circulating cooling water stable, a part of circulating cooling water (the specification requires 2-5% of the circulating water quantity) needs to be continuously filtered, and a part of suspended matters in the water are removed.
The side-filtering water treatment method adopted by the prior indirect cooling open circulating water system mainly adopts a pressure type quartz sand filter or a laminated filter and the like which have higher requirements on water inlet pressure, and water is supplied to the filter from a circulating water supply pipeline connected with a side path; however, the pressure filter requires a high water supply pressure (0.4 to 0.5MPa), and the filter has a high pressure loss, so that the return water pressure cannot be utilized.
Disclosure of Invention
An object of the utility model is to provide a other drainage processing economizer system of large-scale recirculated cooling water station, this system adopt the lower gravity type valveless filter to the water pressure requirement to the supply channel of filter is two the tunnel, divides different seasons to use, but furthest practices thrift the energy consumption that supplies water to other filtration system.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a other drainage processing economizer system in large-scale recirculated cooling water station, its is including locating the other gravity type valveless filter in bad water-cooling pond of circulation, gravity type valveless filter's water inlet is through advancing water piping connection two way delivery pipes, and two way delivery pipes are delivery pipe and high temperature season delivery pipe respectively for low temperature season, the inlet tube is connected to delivery pipe one end in low temperature season, and the return pipe that has pressure in bad water-cooling pond is connected to the other end, the inlet tube is connected to delivery pipe one end in high temperature season, other end connection bad water-cooling pond of circulation to install the working shaft on the delivery pipe in high temperature season, gravity type valveless filter's delivery port is connected to bad water-cooling pond of circulation through going out the water piping.
Furthermore, a first stop valve is installed on the low-temperature season water supply pipe, and a second stop valve is installed on the high-temperature season water supply pipe.
Furthermore, a cut-off valve is installed on the water inlet pipe.
Furthermore, the water supply pump adopts an energy-saving low-lift filtering water pump.
Further, a drain well is provided on the drain port side of the gravity type valveless filter, and the drain port is connected to the drain well through a drain pipe.
The utility model has the advantages that: the system adopts a gravity type valveless filter with lower requirement on water pressure, and the water supply pipe of the filter is divided into two paths, one path of the water supply pipe is connected with a pressure return pipe of circulating cooling water and is used in low-temperature seasons; the other path adopts a low-lift special water pump to supply water to the filter, and is used in high-temperature seasons; therefore, the energy consumption for supplying water to the side filter system can be saved to the maximum extent, and a large amount of cost is saved for enterprises.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a side water filtering treatment energy-saving system of a large-scale circulating cooling water station.
Labeled as: 1-a circulating water-cooled water pool, 2-a gravity type valveless filter, 3-a water inlet pipe, 4-a water outlet pipe, 5-a low-temperature season water supply pipe, 6-a high-temperature season water supply pipe, 7-a filtering water pump, 8-a first stop valve, 9-a second stop valve, 10-a stop valve and 11-a drain pipe 1, 12-a drain well.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the energy-saving system for water filtration treatment beside a large-scale circulating cooling water station comprises a gravity type valveless filter 2 arranged beside a circulating water-cooled water pool 1, wherein a water inlet of the gravity type valveless filter 2 is connected with two water supply pipes through a water inlet pipe 3, a cut-off valve 10 is arranged on the water inlet pipe 3, the two water supply pipes are respectively a low-temperature season water supply pipe 5 and a high-temperature season water supply pipe 6, one end of the low-temperature season water supply pipe 5 is connected with the water inlet pipe 3, the other end of the low-temperature season water supply pipe is connected with a pressure water return pipe of the circulating water-cooled water pool, a first cut-off valve 8 is arranged on the low-temperature season water supply pipe 5, one end of the high-temperature season water supply pipe 6 is connected with the water inlet pipe 3, the other end of the high-temperature season water supply pipe is connected with the circulating water-cooled water pool 1, a low-lift water filtration pump 7 and a second cut-off valve 9 are arranged on the high-temperature water supply pipe 6, a water outlet of the gravity type valveless filter 2 is connected with the circulating water-cooled water pool 1 through a water outlet pipe 4, the gravity type valveless filter 2 is provided with a drain well 12 on the drain side, and the drain port is connected to the drain well 12 through a drain pipe 11.
The system adopts a gravity type valveless filter with low requirement on water inlet pressure (siphon drainage can be automatically formed when a filter head reaches a set value, backwashing is carried out), and adopts two ways of water supply pipes for supplying water to the filter, namely circulating cooling water pressure return water (used in low-temperature seasons) and special low-pressure water supply pump pressurization (used in high-temperature seasons). In the season that the air temperature is not too high, the circulating water return water of the circulating water-cooling water pool does not need to be cooled by a cooling tower, and the residual pressure of a pressure water return pipe can be directly fed into the gravity type valveless filter for filtering; in high-temperature seasons, in order to meet the requirements of the process on water temperature, all backwater needs to be cooled by a cooling tower, and the water supply of the gravity type valveless filter is supplied by a special filtering water pump (the water supply pressure is 0.15MPa, and the water supply time is 720 h/a).
The gravity type valveless filter that involves in this system adopts present gravity type valveless filter can, and this gravity type valveless filter's structure and principle are present mature technology, no longer gives unnecessary details in this patent.
The system has the following engineering application examples:
a large circulating cooling water station supplies circulating cooling water (an indirect cooling open system) to two process devices (a device A and a device B), and 2 sets of independent circulating cooling water systems are arranged. The design circulating water quantity of the device A is 29325m3/h, and the design side-filtration water quantity is 1000m 3/h; the design circulating water flow of the device B is 29450m3/h, and the design side-filtration water flow is 1000m 3/h. The design lift of the circulating water supply pump is 0.55MPa, the flow rate of a single circulating water supply pump is 6000m3/h, the shaft power of the water supply pump is 987.6kW, the motor efficiency is 91.5%, and the power consumption of the average flow rate of 1000m3/h of the water supply pump is 179.89 kW; a special filtering water pump (the flow is 1000m3/h, the lift is 15m) is designed for each set of circulating water side filtering system, the power of a water pump shaft is 51kW, the efficiency of a motor is 80 percent, and the power consumption is 63.75 kW. In high-temperature seasons (according to 720h/a), the two sets of circulating water side-filtering systems can save 232.28kWh of electric quantity per hour, 167041kWh of electric quantity per year and 10 ten thousand yuan of electric charge (the electric charge is 0.6 yuan/kWh). In other seasons, the water return pressure of the circulating water system is utilized to enter a side filter for filtering, and extra electric quantity is not consumed.
Compared with the traditional water supply system of the bypass filter (supplying water to the filter from the circulating water supply pipe connected with the bypass), the water supply system of the circulating water bypass filter designed by the engineering design can save 359.78kWh of electric quantity per hour in the season without opening the special water supply pump of the bypass filter, and can save 232.28kWh of electric quantity per hour in the season with opening the special water supply pump of the bypass filter. The running time of the water supply pump special for the non-opening by-pass filter is 7280h, and the running time of the water supply pump special for the opening by-pass filter is 720 h. The power can be saved by 2786440kWh in one year, and the electric charge can be saved by 167.18 ten thousand yuan (0.6 yuan/kWh) in one year.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (5)
1. The utility model provides a other drainage of large-scale recirculated cooling water station handles economizer system, its characterized in that, is including locating the other gravity type valveless filter of bad water-cooling pond of circulation, gravity type valveless filter's water inlet is through advancing water piping connection two way delivery pipes, and two way delivery pipes are delivery pipe and high temperature season delivery pipe respectively for low temperature season, delivery pipe one end connection inlet tube in low temperature season, the return water pipe of having pressure in bad water-cooling pond is connected to the other end, the inlet tube is connected to high temperature season delivery pipe one end, bad water-cooling pond of circulation is connected to the other end to install the working shaft on the delivery pipe in high temperature season, gravity type valveless filter's delivery port is connected to bad water-cooling pond of circulation through going out the water piping connection.
2. The large-scale circulating cooling water station side water filtering treatment energy-saving system according to claim 1, wherein a first stop valve is installed on the low-temperature season water supply pipe, and a second stop valve is installed on the high-temperature season water supply pipe.
3. The large-scale circulating cooling water station side water filtration treatment energy-saving system according to claim 1, wherein a cut-off valve is installed on the water inlet pipe.
4. The large-scale circulating cooling water station side-filtering water treatment energy-saving system is characterized in that the water supply pump adopts an energy-saving low-lift filtering water pump.
5. The large circulating cooling water station side filtered water treatment energy-saving system according to claim 1, wherein a drain well is arranged on the drain side of the gravity type valveless filter, and the drain port is connected to the drain well through a drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052109.1U CN215063148U (en) | 2021-05-17 | 2021-05-17 | Large-scale recirculated cooling water station side drainage handles economizer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052109.1U CN215063148U (en) | 2021-05-17 | 2021-05-17 | Large-scale recirculated cooling water station side drainage handles economizer system |
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| Publication Number | Publication Date |
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| CN215063148U true CN215063148U (en) | 2021-12-07 |
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| CN202121052109.1U Active CN215063148U (en) | 2021-05-17 | 2021-05-17 | Large-scale recirculated cooling water station side drainage handles economizer system |
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| CN (1) | CN215063148U (en) |
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2021
- 2021-05-17 CN CN202121052109.1U patent/CN215063148U/en active Active
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