CN220036743U - Emergency water discharging device of shaft seal heater - Google Patents
Emergency water discharging device of shaft seal heater Download PDFInfo
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- CN220036743U CN220036743U CN202320609616.3U CN202320609616U CN220036743U CN 220036743 U CN220036743 U CN 220036743U CN 202320609616 U CN202320609616 U CN 202320609616U CN 220036743 U CN220036743 U CN 220036743U
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- water
- water discharging
- outlet
- shaft seal
- seal heater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 346
- 238000007599 discharging Methods 0.000 title claims abstract description 86
- 239000002351 wastewater Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses an emergency water discharging device of a shaft seal heater, which comprises a body, wherein a first water discharging port is arranged on the body and is connected with a first water discharging assembly, the first water discharging assembly comprises a first water discharging pipeline connected with the first water discharging port, the first water discharging pipeline is connected to a waste water bucket through a downward first water conveying pipeline, a second water discharging port is arranged at the lower part of the first water discharging port and is connected with a second water discharging assembly, the second water discharging assembly comprises a second water discharging pipeline connected with the second water discharging port, the second water discharging pipeline is connected to a condenser through a downward second water conveying pipeline, an electric valve is arranged on the second water discharging pipeline, a sensor is arranged at the upper part of the second water discharging port, and the sensor is connected with the electric valve. By simultaneously arranging the first water discharge assembly and the second water discharge assembly, the two principles are different and mutually complemented; and the two are tightly matched, reliable and convenient, the safety of the equipment is greatly improved, and the situation of serious ponding caused by human negligence or equipment failure can be avoided.
Description
Technical Field
The utility model relates to a water discharging device, in particular to an emergency water discharging device of a shaft seal heater.
Background
The steam turbine is a machine device of the power plant responsible for dragging the generator to operate, and is provided with a regenerative heating system for heating condensed water of the steam turbine, and the regenerative heating system comprises a shaft seal heater. In the operation of the steam turbine, the heat exchange tube is arranged in the shaft seal heater, or the water inlet accident of the steam turbine is caused by the material problem, the temperature difference of the heater, or the scouring during the operation, and the breakage of the heat exchange tube can cause a large amount of accumulated water in the shaft seal heater.
In order to solve this problem, the conventional method is to perform emergency drainage by means of manual drainage, electric control, or the like. However, the drainage means is single and has higher dependence on equipment, once people neglect or equipment fails, water accumulation and even full water can occur, the failure rate is high, and the safety threat to the equipment is huge.
Therefore, a shaft seal heater emergency water discharging device with various water discharging means and safety and reliability is needed to meet the defects of the prior art.
Disclosure of Invention
In view of the defects existing at present, the utility model provides an emergency water discharging device of a shaft seal heater, which is complemented by simultaneously arranging a first water discharging component and a second water discharging component, wherein the principles of the first water discharging component and the second water discharging component are different; and the two are tightly matched, reliable and convenient, and the safety of the equipment is greatly improved.
In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:
the utility model provides an urgent water discharging device of bearing seal heater, includes bearing seal heater body, be equipped with first outlet on the body, first outlet is connected to the waste water bucket through first water discharging component, first water discharging component includes the first drain pipe of being connected with first outlet, first drain pipe is connected to the waste water bucket through decurrent first water pipe, be equipped with the second outlet on the bearing seal heater body of first outlet lower part, the second outlet is connected with the condenser through second water discharging component, second water discharging component includes the second drain pipe of being connected with the second outlet, the second drain pipe is connected to the condenser through decurrent second water pipe, be equipped with the motorised valve on the second drain pipe, still be equipped with detectable liquid level's sensor on the bearing seal heater body on second outlet upper portion, the sensor with the motorised valve electricity is connected.
According to one aspect of the utility model, a water seal cylinder is arranged between the first water drain pipeline and the first water conveying pipeline, the water seal cylinder comprises a water inlet and a water outlet, the water inlet is connected with the first water drain pipeline, and the water outlet is connected with the first water conveying pipeline.
According to one aspect of the utility model, a U-shaped pipe is arranged between the water inlet and the water outlet, and the top of the U-shaped pipe of the water seal cylinder is lower than the first water outlet.
According to one aspect of the utility model, when the water level of the accumulated water in the shaft seal heater body reaches the position of the first water outlet, the accumulated water firstly flows downwards to the water inlet of the water seal cylinder through the first water outlet pipeline, flows to the first water pipeline through the U-shaped pipe of the water seal cylinder and the water outlet, and flows into the waste water pit from the first water pipeline.
According to one aspect of the utility model, the U-shaped pipe of the water seal cylinder is connected with the shaft seal heater body, the water level of the U-shaped pipe of the water seal cylinder is the same as the water level in the shaft seal heater body according to the principle of the communicating vessel, and the water level in the U-shaped pipe of the water seal cylinder never reaches the water level in the shaft seal heater body because the top of the U-shaped pipe of the water seal cylinder is lower than the first water outlet, so that accumulated water can continuously flow into the U-shaped pipe direction, and the conditions such as countercurrent and the like cannot occur.
According to one aspect of the utility model, the water seal cylinder can also play a role in maintaining the liquid level and preventing air from entering, and as the shaft seal heater body has negative pressure relative to the waste water pit, a certain height of water column is needed to exist in the U-shaped pipe of the water seal cylinder, so that air leakage is avoided.
According to one aspect of the utility model, a certain height of water column can exist in the U-shaped pipe of the water seal cylinder through the inflow of accumulated water.
According to one aspect of the utility model, the height of the U-shaped pipe of the water seal cylinder is determined according to the pressure difference between the shaft seal heater body and the waste water pit.
According to one aspect of the utility model, in order to balance the pressure differential between the shaft seal heater body and the sump, a certain height of water column is required between the shaft seal heater body and the sump, and the height of the U-shaped pipe of the water seal cylinder can be kept consistent with the required water column height by arranging the water seal cylinder between the shaft seal heater body and the sump.
According to one aspect of the utility model, a multi-stage water seal is arranged between the second water drain pipeline and the second water transport pipeline, the multi-stage water seal comprises an inlet and an outlet, the inlet is connected with the second water drain pipeline, and the outlet is connected with the second water transport pipeline.
According to one aspect of the utility model, the inlet and outlet include a plurality of connected U-shaped tubes therebetween.
According to one aspect of the utility model, when the water level continues to rise until the sensor level rises to the sensing height of the sensor due to the excessive water accumulation speed or the failure of the first water discharge assembly or the slow water discharge speed, the sensor sends an opening signal to the electric valve, the electric valve is opened to discharge the accumulated water from the second water discharge port, the accumulated water flows into the inlet of the multi-stage water seal through the second water discharge pipe, flows into the second water delivery pipe through the multi-stage water seal U-shaped pipe and the outlet, and flows into the condenser from the second water delivery pipe.
According to one aspect of the utility model, the multi-stage water seal maintains the liquid level and prevents air from entering, and as the shaft seal heater body has negative pressure relative to the condenser, a water column with a certain height is needed to exist in the multi-stage water seal U-shaped pipe, so that air leakage is avoided.
According to one aspect of the utility model, a height of water column can exist in the multi-stage water seal U-shaped pipe through the inflow of accumulated water.
According to one aspect of the utility model, the height and the number of the multistage water seal U-shaped pipes are determined according to the pressure difference between the shaft seal heater body and the condenser.
According to one aspect of the utility model, in order to prevent the exhaust gas of the shaft seal heater from entering the condenser, ensure the vacuum environment in the condenser, balance the pressure difference between the two, and in order to balance the pressure difference, a certain height of water column is needed between the two, the height of the water column is calculated according to the pressure difference between the two, and the required height of the water column is possibly too high, so that the method of collecting the multi-stage water seal is inconvenient in actual deployment, and the height of the water column is shared, thereby being beneficial to equipment deployment.
According to one aspect of the utility model, the first water outlet is provided in the right portion of the shaft seal heater body and the second water outlet is provided in the bottom portion of the shaft seal heater body.
According to one aspect of the utility model, the first drain pipe comprises a horizontal pipe connected to the first drain port, the horizontal pipe being connected to a downward vertical pipe.
According to one aspect of the utility model, the second drain conduit comprises a downward vertical tube connected to the first drain.
The implementation of the utility model has the advantages that: the emergency water draining device of the shaft seal heater comprises a shaft seal heater body, wherein a first water draining port is arranged on the shaft seal heater body and connected to a waste water bucket through a first water draining component, the first water draining component comprises a first water draining pipeline connected with the first water draining port, the first water draining pipeline is connected to the waste water bucket through a downward first water draining pipeline, a second water draining port is arranged on the shaft seal heater body at the lower part of the first water draining port and connected with a condenser through a second water draining component, the second water draining component comprises a second water draining pipeline connected with the second water draining port, the second water draining pipeline is connected with the condenser through a downward second water draining pipeline, an electric valve is arranged on the second water draining pipeline, and a sensor capable of detecting the liquid level is further arranged on the shaft seal heater body at the upper part of the second water draining port and is electrically connected with the electric valve. By simultaneously arranging the first water discharge assembly and the second water discharge assembly, the two principles are different and mutually complemented; and the two are tightly matched, reliable and convenient, the safety of the equipment is greatly improved, and the situation that serious ponding and even full water occur due to human negligence or equipment failure can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an emergency water drain device for a shaft seal heater according to an embodiment of the present utility model;
fig. 2 is a schematic view of an emergency water discharging device of a shaft seal heater according to a second embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
Example 1
As shown in fig. 1, an emergency water discharging device of a shaft seal heater comprises a shaft seal heater body 1, wherein a first water discharging port 2 is arranged on the body, the first water discharging port is connected to a waste water bucket 5 through a first water discharging component, the first water discharging component comprises a first water discharging pipeline 3 connected with the first water discharging port, the first water discharging pipeline is connected to the waste water bucket through a first downward water conveying pipeline 12, a second water discharging port 11 is arranged on the shaft seal heater body at the lower part of the first water discharging port, the second water discharging port is connected with a condenser 10 through a second water discharging component, the second water discharging component comprises a second water discharging pipeline 8 connected with the second water discharging port, the second water discharging pipeline is connected to the condenser through a second downward water conveying pipeline 13, an electric valve 7 is arranged on the second water discharging pipeline, and a sensor 6 capable of detecting the liquid level height is further arranged on the shaft seal heater body at the upper part of the second water discharging port and is electrically connected with the electric valve.
In practical application, the first water outlet is arranged at the right part of the shaft seal heater body, and the second water outlet is arranged at the bottom of the shaft seal heater body.
In practical applications, the positions of the first drain opening and the second drain opening are only one specific embodiment, and the positions can be adjusted according to the needs, so that the first drain opening is only required to be located above the second drain opening.
In practical application, the first water drain pipeline comprises a horizontal pipe connected with the first water drain port, and the horizontal pipe is connected with a downward vertical pipe.
In practical application, the second water drain pipeline comprises a downward vertical pipe, and the vertical pipe is connected with the first water drain port.
In this embodiment, the sensor is disposed at the left portion of the shaft seal heater body, which is also only a specific embodiment, and the position can be adjusted according to actual needs, and only the sensor needs to be disposed above the first drain opening.
Example two
As shown in fig. 2, an emergency water discharging device of a shaft seal heater comprises a shaft seal heater body 1, wherein a first water discharging port 2 is arranged on the body, the first water discharging port is connected to a waste water bucket 5 through a first water discharging component, the first water discharging component comprises a first water discharging pipeline 3 connected with the first water discharging port, the first water discharging pipeline is connected to the waste water bucket through a first downward water conveying pipeline 12, a second water discharging port 11 is arranged on the shaft seal heater body at the lower part of the first water discharging port, the second water discharging port is connected with a condenser 10 through a second water discharging component, the second water discharging component comprises a second water discharging pipeline 8 connected with the second water discharging port, the second water discharging pipeline is connected to the condenser through a second downward water conveying pipeline 13, an electric valve 7 is arranged on the second water discharging pipeline, and a sensor 6 capable of detecting the liquid level height is further arranged on the shaft seal heater body at the upper part of the second water discharging port and is electrically connected with the electric valve.
In practical application, a water seal cylinder 4 is arranged between the first water drain pipeline and the first water conveying pipeline, the water seal cylinder comprises a water inlet and a water outlet, the water inlet is connected with the first water drain pipeline, and the water outlet is connected with the first water conveying pipeline.
In practical application, a U-shaped pipe is arranged between the water inlet and the water outlet, and the top of the U-shaped pipe of the water seal cylinder is lower than the first water outlet.
In practical application, when the ponding water level in the shaft seal heater body reaches the position of the first water outlet, ponding firstly flows downwards to the water inlet of the water seal cylinder through the first water outlet pipeline, flows to the first water pipeline through the U-shaped pipe of the water seal cylinder and the water outlet, and flows into the waste water pit from the first water pipeline.
In practical application, water seal section of thick bamboo U-shaped pipe and bearing seal heater body coupling, according to the communicating vessel principle, water seal section of thick bamboo U-shaped pipe water level should be the same with bearing seal heater body internal water level, and because water seal section of thick bamboo U-shaped pipe top height is less than first outlet, water level in the water seal section of thick bamboo U-shaped pipe can not reach the internal water level of bearing seal heater forever, this just makes ponding can last to U-shaped pipe direction inflow, can not take place circumstances such as countercurrent.
In practical application, the water seal cylinder also can play the effect of maintaining the liquid level, prevents that the air from getting into, because the bearing seal heater body exists negative pressure relative to the waste water hole, so need there is the water column of a take altitude in the water seal cylinder U-shaped pipe, avoid the air to leak into.
In practical application, water columns with a certain height exist in the U-shaped pipe of the water seal cylinder through inflow of accumulated water.
In practical application, the height of the U-shaped pipe of the water seal cylinder is determined according to the pressure difference between the shaft seal heater body and the waste water pit.
In practical application, in order to balance the pressure difference between the shaft seal heater body and the waste water pit, a certain height of water column is needed to exist between the shaft seal heater body and the waste water pit, and a water seal cylinder is arranged between the shaft seal heater body and the waste water pit, so that the height of a U-shaped pipe of the water seal cylinder is kept consistent with the required water column.
In practical application, the calculation formula of the height of the single-stage water seal water column is specifically as follows: p1=p2+pgh.
In practical application, be equipped with multistage water seal 9 between second drain pipe and the second conduit, multistage water seal includes entry and export, entry connection second drain pipe, the second conduit is connected to the export.
In practical application, a plurality of connected U-shaped pipes are arranged between the inlet and the outlet.
In practical application, the height of the top point of the multistage water seal U-shaped pipe is lower than that of the second water outlet, so that accumulated water can continuously flow in the direction of the U-shaped pipe, and the conditions such as backflow and the like can not occur.
In practical application, when the water accumulation speed is too high or the first water discharge assembly fails or the water discharge speed is low, the water level continuously rises until the water level rises to the sensing height of the sensor, the sensor sends an opening signal to the electric valve, the electric valve is opened, so that the accumulated water is discharged from the second water discharge port, flows to the inlet of the multi-stage water seal through the second water discharge pipeline, flows to the second water delivery pipeline through the multi-stage water seal U-shaped pipe and the outlet, and flows into the condenser from the second water delivery pipeline.
In practical application, multistage water seal plays the effect of maintaining the liquid level, prevents that the air from getting into, because the bearing seal heater body exists the negative pressure relative condenser, so need there is the water column of certain height in the multistage water seal U-shaped pipe, avoid the air to leak into.
In practical application, water columns with certain height can exist in the multistage water seal U-shaped pipe through inflow of accumulated water.
In practical application, the height and the number of the multistage water seal U-shaped pipes are determined according to the pressure difference between the shaft seal heater body and the condenser.
In practical application, in order to prevent the exhaust of the shaft seal heater from entering the condenser, the vacuum environment inside the condenser is ensured, the pressure difference between the two needs to be balanced, in order to balance the pressure difference, a certain height of water column needs to exist between the two, the height of the water column is calculated according to the pressure difference between the two, and the required height of the water column is possibly too high, so that the practical deployment is inconvenient, the mode of collecting the multi-stage water seal can be adopted, the height of the water column is shared, and the equipment deployment is facilitated.
In practical application, the calculation formula of the height of the multistage water seal water column is specifically as follows: p1=p2n+n ρgh. (n is the number of stages of the water seal).
In practical application, the first water outlet is arranged at the right part of the shaft seal heater body, and the second water outlet is arranged at the bottom of the shaft seal heater body.
In practical application, the positions of the first water outlet and the second water outlet are only one specific embodiment, and the positions can be adjusted according to the needs, so that the first water outlet is only required to be arranged above the second water outlet, the height of the multi-stage water seal is also required to be lower than that of the second water outlet, and the water accumulation can be ensured to flow smoothly.
In practical application, the first water drain pipeline comprises a horizontal pipe connected with the first water drain port, and the horizontal pipe is connected with a downward vertical pipe.
In practical application, the vertical pipe of the first water drain pipeline is provided with an arc-shaped connecting piece which is connected and matched with the water seal cylinder.
In practical application, the second water drain pipeline comprises a downward vertical pipe, and the vertical pipe is connected with the first water drain port.
In practical application, the vertical pipe of the second water drain pipeline is provided with an arc-shaped connecting piece which is connected and matched with the multistage water seal.
In this embodiment, the sensor is disposed at the left portion of the shaft seal heater body, which is also only a specific embodiment, and the position can be adjusted according to actual needs, and only the sensor needs to be disposed above the first drain opening.
The implementation of the utility model has the advantages that: the emergency water draining device of the shaft seal heater comprises a shaft seal heater body, wherein a first water draining port is arranged on the shaft seal heater body and connected to a waste water bucket through a first water draining component, the first water draining component comprises a first water draining pipeline connected with the first water draining port, the first water draining pipeline is connected to the waste water bucket through a downward first water draining pipeline, a second water draining port is arranged on the shaft seal heater body at the lower part of the first water draining port and connected with a condenser through a second water draining component, the second water draining component comprises a second water draining pipeline connected with the second water draining port, the second water draining pipeline is connected with the condenser through a downward second water draining pipeline, an electric valve is arranged on the second water draining pipeline, and a sensor capable of detecting the liquid level is further arranged on the shaft seal heater body at the upper part of the second water draining port and is electrically connected with the electric valve. By simultaneously arranging the first water discharge assembly and the second water discharge assembly, the two principles are different and mutually complemented; and the two are tightly matched, reliable and convenient, the safety of the equipment is greatly improved, and the situation that serious ponding and even full water occur due to human negligence or equipment failure can be avoided.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an urgent water discharging device of bearing seal heater, includes bearing seal heater body, its characterized in that, be equipped with first outlet on the body, first outlet is connected to the waste water bucket through first water discharging component, first water discharging component includes the first drain pipe of being connected with first outlet, first drain pipe is connected to the waste water bucket through decurrent first conduit, be equipped with the second outlet on the bearing seal heater body of first outlet lower part, the second outlet is connected with the condenser through second water discharging component, second water discharging component includes the second drain pipe of being connected with the second outlet, second drain pipe is connected to the condenser through decurrent second conduit, be equipped with the motorised valve on the second drain pipe, still be equipped with the sensor of detectable liquid level on the bearing seal heater body of second outlet upper portion, the sensor with the motorised valve electricity is connected.
2. The emergency water discharging device of the shaft seal heater according to claim 1, wherein a water seal cylinder is arranged between the first water discharging pipeline and the first water conveying pipeline, the water seal cylinder comprises a water inlet and a water outlet, the water inlet is connected with the first water discharging pipeline, and the water outlet is connected with the first water conveying pipeline.
3. The emergency water discharging device of the shaft seal heater according to claim 2, wherein a U-shaped pipe is arranged between the water inlet and the water outlet, and the top of the U-shaped pipe of the water seal cylinder is lower than the first water outlet.
4. The emergency water discharging device of the shaft seal heater according to claim 3, wherein the height of the water seal cartridge U-shaped pipe is determined according to the pressure difference between the shaft seal heater body and the sump.
5. The emergency water discharging device of the shaft seal heater according to claim 1, wherein a multi-stage water seal is arranged between the second water discharging pipeline and the second water conveying pipeline, the multi-stage water seal comprises an inlet and an outlet, the inlet is connected with the second water discharging pipeline, and the outlet is connected with the second water conveying pipeline.
6. The emergency water drain of the shaft seal heater of claim 5, wherein a plurality of connected U-shaped tubes are included between the inlet and the outlet.
7. The emergency water discharging device of the shaft seal heater according to claim 6, wherein the height and the number of the multi-stage water seal U-shaped pipes are determined according to the pressure difference between the shaft seal heater body and the condenser.
8. The emergency water discharging device of the shaft seal heater according to claim 4 or 7, wherein the first water discharging opening is arranged at the right part of the shaft seal heater body, and the second water discharging opening is arranged at the bottom of the shaft seal heater body.
9. The emergency water drain of claim 8, wherein the first water drain conduit includes a horizontal tube connected to the first water drain, the horizontal tube having a vertical tube connected downward.
10. The emergency water drain of a shaft seal heater according to claim 9 wherein said second water drain conduit includes a downward vertical tube, said vertical tube being connected to said first water drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320609616.3U CN220036743U (en) | 2023-03-25 | 2023-03-25 | Emergency water discharging device of shaft seal heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320609616.3U CN220036743U (en) | 2023-03-25 | 2023-03-25 | Emergency water discharging device of shaft seal heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036743U true CN220036743U (en) | 2023-11-17 |
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ID=88722882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320609616.3U Active CN220036743U (en) | 2023-03-25 | 2023-03-25 | Emergency water discharging device of shaft seal heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036743U (en) |
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2023
- 2023-03-25 CN CN202320609616.3U patent/CN220036743U/en active Active
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