CN213100999U - A kind of condenser inlet filter screen backwashing device - Google Patents
A kind of condenser inlet filter screen backwashing device Download PDFInfo
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- CN213100999U CN213100999U CN202021131313.8U CN202021131313U CN213100999U CN 213100999 U CN213100999 U CN 213100999U CN 202021131313 U CN202021131313 U CN 202021131313U CN 213100999 U CN213100999 U CN 213100999U
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Abstract
本实用新型提供一种凝汽器入口滤网反冲洗装置，包括主进水管；所述主进水管的一端与一号进水管和二号进水管的一端相连接。冷却管的设置，有利于提高冲洗的方便性，当需要对其中一根冷却管上的滤网进行冲洗时，先将其中一侧的进水管上的阀门开启，并将另一侧的进水管上的阀门关闭，清洗出水管上的阀门开启，这时主进水管中的水会通过阀门开启的进水管流入顶部对应的冷却管，部分水会通过这根冷却管流入另一根冷却管中并向下流动穿过滤网向下流动将滤网底部的淤堵杂物冲洗掉，本装置通过设置两组入水管，在需要清洗时其中一根管道正常通水保证机组正常运行，另一侧的管道又会因为管道中的压力对滤网进行清洗，实现在线反冲洗，清理更加有效方便。
The utility model provides a filter screen backwashing device at the inlet of a condenser, which comprises a main water inlet pipe; one end of the main water inlet pipe is connected with one end of the No. 1 water inlet pipe and the one end of the No. 2 water inlet pipe. The setting of the cooling pipe is conducive to improving the convenience of flushing. When it is necessary to flush the filter screen on one of the cooling pipes, first open the valve on the water inlet pipe on one side, and connect the water inlet pipe on the other side. The valve on the top is closed, and the valve on the cleaning outlet pipe is opened. At this time, the water in the main water inlet pipe will flow into the corresponding cooling pipe at the top through the water inlet pipe with the valve opened, and part of the water will flow into the other cooling pipe through this cooling pipe. The device flows downward through the filter screen to wash away the silt and debris at the bottom of the filter screen. The device is equipped with two sets of water inlet pipes. When cleaning is required, one of the pipes is normally supplied with water to ensure the normal operation of the unit, and the other side The pipeline will clean the filter screen due to the pressure in the pipeline, realize online backwashing, and the cleaning is more effective and convenient.
Description
Technical Field
The utility model belongs to the technical field of back flush unit, more specifically say, in particular to back flush unit of condenser entry filter screen.
Background
The condenser is an important component of a turbine generator set and has the function of cooling the steam discharged by the turbine into condensed water to form high vacuum, so that the steam entering the turbine can expand to be lower than the atmospheric pressure to do more work. Whether the operation condition is normal or not directly influences the safe and economic operation of the whole unit. The cleanness degree of the condenser is a precondition for ensuring the normal operation of the unit, and an inlet filter screen of the condenser plays a cleaning role and can purify circulating water ready to enter the condenser, so that the cleanness degree of the condenser is ensured, and the washing of the inlet filter screen of the condenser is also important.
For example, patent application No. 201821055102.3 discloses a condenser backwash assembly including a water inlet port; a water outlet port; a water circulation assembly; a rubber ball pump; the ball collecting net is arranged at the water outlet port, and the rubber balls enter the water inlet port from the ball collecting net through the rubber ball pump; a slag discharge pipe; the door handle is arranged on the slag discharge pipe and close to one end of the water circulation assembly, and is closed in a normal state and opened during backwashing. Under normal conditions, the doorknob on the scum pipe is closed, can effectually support the rubber ball, consequently, the rubber ball can circulate along with rivers always, and can not sink to the scum pipe because of specific gravity is that big, the effectual rate of recovery that improves the rubber ball, during the back flush, the doorknob is opened, water gets into the water circulation subassembly from the scum pipe, because under normal condition, the rubber ball is by the effectual restriction of doorknob and high-efficient the recovery, consequently can not cause the rubber ball deposit in the scum pipe and from the circumstances that the scum pipe was discharged during the back flush, make the rate of recovery of rubber ball higher.
Based on the above search, the above patent combines with most of the backwashing devices for the inlet filter screen of the condenser in the prior art, and has the following problems in use: a back washing device for a filter screen at an inlet of a condenser is provided.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a backwashing device for a filter screen at an inlet of a condenser is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a condenser entry filter screen back flush device to solve current splint function singleness for orthopedics, pressure is unadjustable and to the slow problem of the speed of dosing in sick affected part.
The utility model discloses the purpose and the efficiency of condenser entry filter screen back flush device are reached by following concrete technical means:
a backwashing device for a filter screen at an inlet of a condenser comprises a main water inlet pipe; one end of the main water inlet pipe is connected with one ends of the first water inlet pipe and the second water inlet pipe; the other ends of the first water inlet pipe and the second water inlet pipe are connected with a three-way joint, the other two outlets of the three-way joint at the top of the first water inlet pipe are respectively connected with a cleaning water outlet pipe and a first cooling pipe, and the other two outlets of the three-way joint at the top of the second water inlet pipe are respectively connected with a cleaning water outlet pipe and a second cooling pipe; a valve is fixedly arranged on each of the first water inlet pipe, the second water inlet pipe and the two cleaning water outlet pipes; one ends, close to the three-way joint, of the first cooling pipe and the second cooling pipe are respectively and fixedly provided with a filter cylinder, and the inner sides of the filter cylinders are respectively and fixedly provided with a filter screen; the other ends of the first cooling pipe and the second cooling pipe are connected with one end of the main water outlet pipe, and the middle parts of the first cooling pipe and the second cooling pipe are embedded into the condenser and extend outwards through the condenser shell; the other end of the main water outlet pipe is connected with the cooling tower; the cooling tower is communicated with the water absorption pool through a pipeline; the water suction pool is connected with a water suction port of the circulating water pump through a pipeline; and the water outlet of the circulating water pump is connected with the other end of the main water inlet pipe through a pipeline.
Further, two valves on the washing outlet pipe are closed, and when the valve on inlet tube and No. two inlet tubes was opened, the water in the main inlet tube can flow in the air condensation in the condenser in cooling tube and No. two cooling tubes respectively through an inlet tube and No. two inlet tubes.
Furthermore, the first cooling pipe and the second cooling pipe are of mutually communicated structures, and the parts above the first cooling pipe and the second cooling pipe are horizontal pipes and are located at the same horizontal height.
Furthermore, the valve on the inlet tube is opened, the valve on the outlet pipe connected with the inlet tube is closed, the valve on the outlet tube connected with the inlet tube is closed, when the valve on the outlet pipe connected with the inlet tube is opened, water in the main inlet tube flows into the first cooling tube through the inlet tube, and part of water flows into the second cooling tube through the communication position of the first cooling tube and the second cooling tube.
Furthermore, the valve on No. two inlet tubes is opened, and the valve on the outlet pipe with No. two water piping connections is closed, and the valve on the inlet tube is closed, and when the valve on the outlet pipe with No. one water piping connection was opened, the water in the main inlet tube can flow into No. two cooling tubes through No. two inlet tubes, and some water can flow into No. one cooling tube through the communicating position of a cooling tube and No. two cooling tubes.
Compared with the prior art, the utility model discloses following beneficial effect has:
when the filter screen on one of the cooling pipes needs to be washed, the valve on the water inlet pipe on one side is firstly opened, the valve on the washing water outlet pipe is closed, the valve on the water inlet pipe on the other side is closed, the valve on the washing water outlet pipe is opened, at the moment, water in the main water inlet pipe flows into the cooling pipe corresponding to the top through the water inlet pipe opened by the valve, part of the water flows into the other cooling pipe through the cooling pipe and flows downwards to penetrate through the filter screen to wash out clogging sundries at the bottom of the filter screen, and then the water is discharged outwards through the washing water outlet pipe on one side. The cleaning is more effective and convenient.
Drawings
Fig. 1 is a schematic diagram of the connected shaft side structure of the present invention.
Fig. 2 is the schematic diagram of the partially-cut shaft side structure of the present invention.
Fig. 3 is a flow chart of the working system during normal operation of the present invention.
Fig. 4 is a flow chart of the working system during back washing of the utility model.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main water inlet pipe; 2. a first water inlet pipe; 3. a second water inlet pipe; 4. a valve; 5. cleaning a water outlet pipe; 6. a filter cartridge; 7. a first cooling tube; 8. a second cooling tube; 9. a main water outlet pipe; 10. filtering with a screen; 11. a condenser; 12. a cooling tower; 13. a water suction pool; 14. and (4) a water circulating pump.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a backwashing device for a filter screen at an inlet of a condenser, which comprises a main water inlet pipe 1; one end of the main water inlet pipe 1 is connected with one ends of the first water inlet pipe 2 and the second water inlet pipe 3; when the valve 4 on the water inlet pipe 3 II is opened, the valve 4 on the water outlet pipe 5 connected with the water inlet pipe 3 II is closed, the valve 4 on the water inlet pipe 2I is closed, when the valve 4 on the water outlet pipe 5 connected with the water inlet pipe 2I is opened, water in the main water inlet pipe 1 flows into the cooling pipe 8 II through the water inlet pipe 3 II, part of the water flows into the cooling pipe 7I through the communication position of the cooling pipe 7I and the cooling pipe 8 II, and the water flows downwards through the filter screen 10 to wash out silted impurities at the bottom of the filter screen 10 and is discharged outwards through the cleaning water outlet pipe 5 on one side, so that the filter screen 10 on the cooling pipe 7 is washed; the other ends of the first water inlet pipe 2 and the second water inlet pipe 3 are connected with a three-way joint, the other two outlets of the three-way joint at the top of the first water inlet pipe 2 are respectively connected with a cleaning water outlet pipe 5 and a first cooling pipe 7, and the other two outlets of the three-way joint at the top of the second water inlet pipe 3 are respectively connected with a cleaning water outlet pipe 5 and a second cooling pipe 8; when the two valves 4 on the cleaning water outlet pipe 5 are closed, and the valves 4 on the first water inlet pipe 2 and the second water inlet pipe 3 are opened, water in the main water inlet pipe 1 can respectively flow into the first cooling pipe 7 and the second cooling pipe 8 through the first water inlet pipe 2 and the second water inlet pipe 3 to condense air in the condenser 11, and the air condensation efficiency can be greatly improved through synchronous operation of the two groups of pipelines; a valve 4 is fixedly arranged on the first water inlet pipe 2, the second water inlet pipe 3 and the two cleaning water outlet pipes 5; one ends, close to the three-way joint, of the first cooling pipe 7 and the second cooling pipe 8 are respectively and fixedly provided with a filter cylinder 6, and the inner sides of the filter cylinders 6 are respectively and fixedly provided with a filter screen 10; the other ends of the first cooling pipe 7 and the second cooling pipe 8 are connected with one end of a main water outlet pipe 9, and the middle parts of the first cooling pipe 7 and the second cooling pipe 8 are embedded into a condenser 11 and penetrate through the shell of the condenser 11 to extend outwards; the other end of the main water outlet pipe 9 is connected with a cooling tower 12; the cooling tower 12 is communicated with the water absorption pool 13 through a pipeline; the water suction pool 13 is connected with a water suction port of the circulating water pump 14 through a pipeline; the water outlet of the circulating water pump 14 is connected with the other end of the main water inlet pipe 1 through a pipeline.
Wherein, No. 7 cooling tubes and No. two cooling tubes 8 are mutual intercommunication formula structure, and the part is horizontal pipe and is located same level above No. 7 cooling tubes and No. two cooling tubes 8, and the water in No. 7 cooling tubes and No. two cooling tubes 8 flows each other more easily when wasing to the water also flows downwards more easily and washes filter screen 10.
Wherein, valve 4 on inlet tube 2 opens, valve 4 on the outlet pipe 5 that is connected with inlet tube 2 closes, and valve 4 on No. two inlet tube 3 closes, when valve 4 on the outlet pipe 5 that is connected with No. two inlet tube 3 opens, the water in main inlet tube 1 can flow into cooling tube 7 No. one through inlet tube 2, partly water can flow into cooling tube 8 No. two through the communicating position of cooling tube 7 with cooling tube 8 No. two, these water can pass filter screen 10 and flow down and wash the silt stifled debris in filter screen 10 bottom this moment, rethread washing outlet pipe 5 of one side outwards discharges to filter screen 10 on cooling tube 8 washes.
The specific use mode and function of the embodiment are as follows:
in the utility model, when the device is normally used for supplying water and condensing the air in the condenser 11, firstly two valves 4 on a cleaning water outlet pipe 5 are closed, and the valves 4 on a first water inlet pipe 2 and a second water inlet pipe 3 are opened, at the moment, the water in a main water inlet pipe 1 can respectively flow into a first cooling pipe 7 and a second cooling pipe 8 through the first water inlet pipe 2 and the second water inlet pipe 3 to condense the air in the condenser 11, the water is filtered through the bottom of a filter screen 10 in the process, when the filter screen 10 on the second cooling pipe 8 needs to be washed, the valve 4 on the first water inlet pipe 2 is opened, the valve 4 on the water outlet pipe 5 connected with the first water inlet pipe 2 is closed, the valve 4 on the second water inlet pipe 3 is closed, the valve 4 on the water outlet pipe 5 connected with the second water inlet pipe 3 is opened, at the moment, the water in the main water inlet pipe 1 can flow into the first cooling pipe 7 through the first water inlet pipe 2, then part of the water flowing out flows into the second cooling pipe 8 through the communication position of the first cooling pipe 7 and the second cooling pipe 8 and flows downwards, at the moment, the water flows downwards through the filter screen 10 to wash out silted sundries at the bottom of the filter screen 10 and is discharged outwards through the cleaning water outlet pipe 5 at one side, when the filter screen 10 on the first cooling pipe 7 needs to be washed, the valve 4 on the second water inlet pipe 3 is opened, the valve 4 on the water outlet pipe 5 connected with the second water inlet pipe 3 is closed, the valve 4 on the first water inlet pipe 2 is closed, the valve 4 on the water outlet pipe 5 connected with the first water inlet pipe 2 is opened, at the moment, the water in the main water inlet pipe 1 flows into the second cooling pipe 8 through the second water inlet pipe 3, and the part of the water flowing out flows into the first cooling pipe 7 through the communication position of the first cooling pipe 7 and the second cooling pipe 8 and flows downwards, at the moment, the water can flow downwards through the filter screen 10 to wash silted sundries at the bottom of the filter screen 10, and the water is discharged outwards through the cleaning water outlet pipe 5 on one side, so that the filter screen 10 on the first cooling pipe 7 is washed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021131313.8U CN213100999U (en) | 2020-06-18 | 2020-06-18 | A kind of condenser inlet filter screen backwashing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021131313.8U CN213100999U (en) | 2020-06-18 | 2020-06-18 | A kind of condenser inlet filter screen backwashing device |
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| CN213100999U true CN213100999U (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636318A (en) * | 2022-03-09 | 2022-06-17 | 华能国际电力股份有限公司丹东电厂 | Condenser circulating water drainage system |
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2020
- 2020-06-18 CN CN202021131313.8U patent/CN213100999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636318A (en) * | 2022-03-09 | 2022-06-17 | 华能国际电力股份有限公司丹东电厂 | Condenser circulating water drainage system |
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| GR01 | Patent grant | ||
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Address after: 115005 metallurgical street, old border district, Yingkou City, Liaoning Province Patentee after: Japan Steel Yingkou Medium Plate Co.,Ltd. Address before: 115005 metallurgical street, old border district, Yingkou City, Liaoning Province Patentee before: MINMETALS YINGKOU MEDIUM PLATE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 115005 metallurgical street, old border district, Yingkou City, Liaoning Province Patentee after: Jingye (Yingkou) Medium Plate Co.,Ltd. Country or region after: China Address before: 115005 metallurgical street, old border district, Yingkou City, Liaoning Province Patentee before: Japan Steel Yingkou Medium Plate Co.,Ltd. Country or region before: China |