CN219363692U - Energy-saving circulating cooling water cooling device - Google Patents
Energy-saving circulating cooling water cooling device Download PDFInfo
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- CN219363692U CN219363692U CN202320429927.1U CN202320429927U CN219363692U CN 219363692 U CN219363692 U CN 219363692U CN 202320429927 U CN202320429927 U CN 202320429927U CN 219363692 U CN219363692 U CN 219363692U
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Abstract
The utility model belongs to the technical field of cooling water cooling, and particularly relates to an energy-saving circulating cooling water cooling device. The oxygen lance water return pipe, the medium-pressure water return pipe and the low-pressure water return pipe are connected in parallel, and are provided with a water return valve and an upper tower valve, the upper tower valve is connected with an upper tower check valve through a pipeline, the upper tower check valve is connected with an upper tower main pipeline through a pipeline, the water return valve is connected with a hot water tank through a pipeline, the water outlet end of the hot water tank is connected with a hot water pump set through a pipeline, and the pipeline connected with the hot water pump set is provided with a water outlet valve. The cooling tower can realize cooling of the upper tower by utilizing the self-contained pressure of the cooling water, can realize cooling of the upper tower by the hot water pump set, can realize maintenance of a single cooling tower without shutdown, and can help the cooling tower to exhaust air by the hydraulic turbine fan, so that the energy consumption is reduced, and the working efficiency of the cooling tower is improved.
Description
Technical Field
The utility model belongs to the technical field of cooling water cooling, and particularly relates to an energy-saving circulating cooling water cooling device.
Background
The converter water supply comprises a converter high-pressure oxygen lance, a converter medium-pressure water supply and a converter low-pressure water supply. The high-pressure oxygen lance is mainly used for cooling a converter oxygen lance, the medium-pressure water in the converter is used for cooling a converter trunnion, a converter mouth water tank, a nitrogen seal and a feed opening, and the low-pressure water is used for cooling a converter fan. After the water supply of several paths is cooling equipment, the water is directly returned to the hot water well of the converter water supply system through a water return pipeline, and no pressurizing equipment and pressure relief device are arranged in the middle. And the hot water pool water is pressurized and supplied to the cooling tower through the hot water pump set to be cooled, and then returned to the cold water pool for recycling. At present, a hot water pump set of a converter water supply system is a dual-purpose one-standby three water pumps with 55KW/h power, and an outlet valve is required to be frequently regulated in a staff to ensure the liquid level balance of a cold and hot water pool. There are disadvantages: the power consumption of the heat pump unit, namely a water pump motor, is 55KW, the power consumption of the heat pump unit and the water pump motor for one day reaches 2600 ℃, shutdown maintenance is removed, and the power consumption of the heat pump unit, the power consumption of the heat pump unit and the water pump motor for one day is 7.5 ten thousand degrees per month, and the power consumption of the heat pump unit and the water pump motor is higher; secondly, the heat pump set is continuously operated for 24 hours, equipment is required to be checked and maintained regularly, bearings, mechanical seals, plum blossom buffer cushions and the like are all spare parts, and the equipment is required to be replaced and maintained after being operated for a period of time, so that maintenance cost is increased; thirdly, the heat pump set suddenly jumps, if the power supply can not be recovered in time, the cold water tank water can not be supplemented in time, and the furnace is stopped, so that the production is influenced. In addition, because the hot water in the water return pipe has certain water pressure, the hot water is directly discharged to the hot water tank to cause pressure waste, and the energy conservation and emission reduction requirements are not met.
The patent with the application number of 201420580455.0 discloses an energy-saving device for recovering waste heat and residual pressure of a circulating cooling water system of a sugar refinery, which is used for replacing an original electric fan with a hydraulic fan of a cooling tower by using water turbine power to realize energy-saving comprehensive utilization of the residual pressure of a water pump of the cooling tower, thereby realizing the purpose of high efficiency and energy saving of the circulating cooling water system of the sugar refinery. However, the patent has the defect that the cooling water upper tower is the tail end of the whole cooling water circulation, the cooling water has water pressure but cannot completely replace the original fan of the cooling tower, and according to the technical scheme of the patent, the cooling towers with the quantity of tens of times are needed to be increased for cooling, so that the cooling water is not lost.
Disclosure of Invention
The utility model aims to provide an energy-saving circulating cooling water cooling device so as to solve the problems in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an energy-saving recirculated cooling water cooling device, includes oxygen rifle wet return, middling pressure wet return, low pressure wet return, cooling tower, oxygen rifle wet return, middling pressure wet return, low pressure wet return parallel connection have the wet return, go up the tower valve, it has the tower check valve to go up through the pipe connection, it has the tower trunk line to go up the tower check valve through the pipe connection, the wet return has the hot-water tank through the pipe connection, the hot-water tank water outlet end has the hot-water pump package through the pipe connection, install the water outlet valve on the pipe that hot-water tank and hot-water pump package are connected, the hot-water pump package water outlet end has the hot-water check valve through the pipe connection, the hot-water check valve water outlet end is connected with the tower trunk line, it has two intake valves to go up the water inlet valve, it has a plurality of hydraulic turbofans to go up the hot-water valve through the pipe parallel connection, hydraulic turbofan installs in cooling tower top position, hydraulic turbofan's water outlet end is connected at the water inlet end of cooling tower.
Further, the water return valve and the hot water pump set are in a closed state, and the tower return valve and the water inlet valve are in an open state, so that cooling water in the oxygen lance water return pipe, the medium-pressure water return pipe and the low-pressure water return pipe is used for water pressure tower cooling.
Further, the water return valve, the hot water pump set, the water outlet valve and the water inlet valve are in an open state, and the tower return valve is in a closed state for conveying cooling water to the tower for cooling through the hot water pump set.
Further, the hydraulic turbofan is installed penetrating through four corners of the upper top surface of the cooling tower.
The utility model has the following beneficial effects:
1. the water pressure of the backwater automatically goes to the tower without using a hot water pump set, so that energy conservation and consumption reduction are realized.
2. The cooling water double-channel upper tower cooling utilizes return water pressure to automatically upper the tower during normal operation, the hot water pump set is used as standby equipment, the hot water pump set can be used for supplying water for cooling during abnormal conditions, and compared with the prior art of only upper tower through the hot water pump set, the use frequency of the hot water pump set is reduced, and the maintenance cost of the hot water pump set is reduced.
3. The automatic tower feeding of return water not only ensures the return water cooling effect, but also reduces the workload of personnel for adjusting the valve, improves the working efficiency and ensures the stability of the water level of the water tank.
4. When the single cooling tower is overhauled, a tower return valve on the oxygen lance water return pipe is closed, a water return valve on the oxygen lance water return pipe is opened, water is supplied to another cooling tower through a hot water pump for cooling, and water supply pressure balance of an upper tower pipeline is realized, namely, the single cooling tower can be overhauled under the condition of no shutdown.
5. The hydraulic turbine fan is driven to run by utilizing the water pressure in the water return pipeline, and the hydraulic turbine fan is matched with the original fan of the cooling tower to be used, so that the load of the original fan of the cooling tower can be reduced, and the power consumption is greatly saved.
6. The hydraulic turbine fan is driven to run by utilizing the water pressure in the water return pipeline, and the cooling tower is matched with the original fan of the cooling tower to be used, so that the cooling tower can obtain lower-temperature cooling water on the basis of the same power consumption, and the cooling effect is better.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic top view of the water turbine fan of the present utility model in a mounted position.
Wherein: 1. an oxygen lance return pipe; 2. a medium pressure return pipe; 3. a low pressure return pipe; 4. a water return valve; 5. a tower loading valve; 6. a tower-up check valve; 7. a main tower pipe; 8. a hot water tank; 9. a hot water pump set; 10. a water outlet valve; 11. a hot water check valve; 12. a hot water inlet valve; 13. a cooling tower; 14. a pipe; 15. a hydraulic turbofan.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, an energy-saving circulating cooling water cooling device comprises an oxygen lance return pipe 1, a medium pressure return pipe 2 and a low pressure return pipe 3, wherein the oxygen lance return pipe 1, the medium pressure return pipe 2 and the low pressure return pipe 3 are connected in parallel with a return valve 4 and an upper tower valve 5, the upper tower valve 5 is connected with an upper tower check valve 6 through a pipeline 14, the upper tower check valve 6 is connected with an upper tower main pipe 7 through a pipeline 14, the return valve 4 is connected with a hot water tank 8 through a pipeline 14, the water outlet end of the hot water tank 8 is connected with a hot water pump set 9 through a pipeline 14, the water outlet end of the hot water pump set 9 is connected with a hot water check valve 11 through a pipeline 14, the water outlet end of the hot water check valve 11 is connected with an upper main pipe 7, the water outlet end of the upper tower main pipe 7 is connected with two hot water inlet valves 12, the hot water inlet valve 12 is connected with a plurality of hydraulic turbofans 15 in parallel through a pipeline 14, the hydraulic turbofans 15 penetrate through four corners arranged on the upper top surface of a cooling tower 13, and the water outlet end of the hydraulic turbofans 15 are connected with the water inlet end of the cooling tower 13. The water return valve 4 and the hot water pump set 9 are in a closed state, and the tower return valve and the hot water inlet valve 12 are in an open state, so that cooling water in the oxygen lance water return pipe 1, the medium-pressure water return pipe 2 and the low-pressure water return pipe 3 is utilized for water tower cooling. The water return valve 4, the hot water pump set 9, the water outlet valve 10 and the water inlet valve 12 are in an open state, and the tower return valve is in a closed state, so that cooling water is conveyed to be cooled by the hot water pump set 9.
The working principle of the utility model is as follows: when the device is used normally, the water return valve 4 and the hot water pump set 9 are closed, the tower return valve and the hot water inlet valve 12 are opened, and the cooling water in the oxygen lance water return pipe 1, the medium-pressure water return pipe 2 and the low-pressure water return pipe 3 is utilized for cooling the water tower; when the hot water pump set 9 is used for cooling the tower, the water return valve 4, the hot water pump set 9, the water outlet valve 10 and the water inlet valve 12 are opened, and the tower return valve is closed; when a single cooling tower 13 is overhauled, a hot water inlet valve 12 connected with the cooling tower 13 to be overhauled is closed, a water return valve 4 connected with the oxygen lance water return pipe 1 is opened, an upper tower valve 5 connected with the oxygen lance water return pipe 1 is closed, and hot water in the hot water tank 8 is conveyed into the cooling tower 13 which is in normal operation for cooling by opening a hot water pump group 9 and a water outlet valve 10. The hydraulic turbofan 15 is a mature technology, the hydraulic pressure of the cooling backwater is utilized to drive the hydraulic turbofan 15, the original fan of the auxiliary cooling tower 13 can keep the original air extraction quantity, so that the power consumption is reduced, or the original fan power is unchanged, the air extraction quantity is increased through the hydraulic turbofan, and the lower water temperature is obtained.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the utility model, which are made by those skilled in the art, are included in the protection scope of the utility model without departing from the design concept of the utility model.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (4)
1. The utility model provides an energy-saving recirculated cooling water cooling device, a serial communication port, includes oxygen rifle wet return, middling pressure wet return, low pressure wet return, cooling tower, oxygen rifle wet return, middling pressure wet return, low pressure wet return parallel connection have the wet return, go up the tower valve, it has the tower check valve to go up through the pipe connection, it has the tower trunk line to go up the tower check valve through the pipe connection, the wet return has the hot-water tank through the pipe connection, the hot-water tank goes out the water end and has the hot-water pump package through the pipe connection, install the outlet valve on the pipe that hot-water tank and hot-water pump package are connected, hot-water pump package goes out the water end and is connected to the tower trunk line through the pipe connection, it is connected with two water inlet valves to go up the tower trunk line outlet end, it has a plurality of hydraulic turbofans to advance the hot-water valve through the pipe parallel connection, hydraulic turbofan installs in cooling tower top position, the outlet end of turbofan is connected at the water inlet end of cooling tower.
2. The energy-saving circulating cooling water cooling device according to claim 1, wherein the water return valve and the hot water pump set are in a closed state, and the tower return valve and the hot water inlet valve are in an open state, so that cooling water in the oxygen lance water return pipe, the medium-pressure water return pipe and the low-pressure water return pipe is used for water pressure tower cooling.
3. The energy-saving circulating cooling water cooling device according to claim 1, wherein the water return valve, the hot water pump set, the water outlet valve and the water inlet valve are in an open state, and the tower return valve is in a closed state for conveying cooling water to the tower for cooling through the hot water pump set.
4. The energy-saving type circulating cooling water cooling apparatus of claim 1, wherein the hydro turbine fan is penetratingly installed at four corners of an upper top surface of the cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429927.1U CN219363692U (en) | 2023-03-09 | 2023-03-09 | Energy-saving circulating cooling water cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320429927.1U CN219363692U (en) | 2023-03-09 | 2023-03-09 | Energy-saving circulating cooling water cooling device |
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| CN219363692U true CN219363692U (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320429927.1U Active CN219363692U (en) | 2023-03-09 | 2023-03-09 | Energy-saving circulating cooling water cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117758011A (en) * | 2023-12-25 | 2024-03-26 | 江苏恒立冶金设备有限公司 | Novel electric furnace oxygen lance water cooling system and process thereof |
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2023
- 2023-03-09 CN CN202320429927.1U patent/CN219363692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117758011A (en) * | 2023-12-25 | 2024-03-26 | 江苏恒立冶金设备有限公司 | Novel electric furnace oxygen lance water cooling system and process thereof |
| CN117758011B (en) * | 2023-12-25 | 2024-06-07 | 江苏恒立冶金设备有限公司 | Water cooling system and process for electric furnace oxygen lance |
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