CN114508395B - Water tank overflow water and cable pit water storage recovery system - Google Patents
Water tank overflow water and cable pit water storage recovery system Download PDFInfo
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- CN114508395B CN114508395B CN202111111962.0A CN202111111962A CN114508395B CN 114508395 B CN114508395 B CN 114508395B CN 202111111962 A CN202111111962 A CN 202111111962A CN 114508395 B CN114508395 B CN 114508395B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 270
- 238000011084 recovery Methods 0.000 title claims abstract description 44
- 238000003860 storage Methods 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 55
- 239000007924 injection Substances 0.000 claims abstract description 55
- 239000010865 sewage Substances 0.000 claims abstract description 32
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- 238000004064 recycling Methods 0.000 claims abstract description 18
- 239000000498 cooling water Substances 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 50
- 239000004744 fabric Substances 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004134 energy conservation Methods 0.000 claims description 4
- 230000007774 longterm Effects 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 2
- 238000005498 polishing Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims 4
- 230000007797 corrosion Effects 0.000 claims 4
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005536 corrosion prevention Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a water storage recovery system for overflow water of a water jet tank and a water collection pit of a cable pit, which comprises the following components: the device comprises a fifth machine jet water tank, a sixth machine jet water tank and a seventh machine jet water tank, wherein the fifth machine jet water tank, the sixth machine jet water tank and the seventh machine jet water tank are used for establishing and maintaining condenser vacuum, a sewage well is used for temporarily storing sewage, a jet water tank overflow well is used for emergency discharge, a waste water conveying self-priming pump is used for waste water conveying, an industrial recycling water tank is used for recycling certain waste materials, a recycling water pump is used for recycling water to save water, a cooling tower refers to a structure for cooling water, a cable trench refers to a specific underground pipeline and a cable trench water collecting pit, and is used for temporarily collecting sewage to be discharged. According to the invention, through the arrangement that the water injection tank of the fifth machine, the water injection tank of the sixth machine and the water injection tank of the seventh machine are connected with the sewage well by using the overflow water pipes, the smooth overflow is successfully ensured, the water temperature adjustment of the water injection tank is convenient, and the requirements of high steam exhaust temperature and high water injection tank temperature during high back pressure operation of the unit during heating in winter are met.
Description
Technical Field
The invention relates to the technical field of turbine system design, in particular to a water storage recovery system for overflow water of a water injection tank and a water collection pit of a cable pit.
Background
According to the background information, during heating season, the 160MW unit usually adopts a high back pressure operation mode, so that vacuum is reduced, the exhaust steam temperature is increased to heat the main pipe network, however, the exhaust steam temperature is increased to increase the water temperature of the water jet tank, the long-term water storage of the cable pit easily causes water inlet of the cable, insulation aging phenomenon can be caused under the action of an electric field, and finally, the cable breaks down, so that the safety production is endangered.
Because the water temperature of the water jet tank is an important factor affecting the normal operation of the water jet air extractor, in order to keep the water temperature of the water jet tank, the water is generally supplemented to the water jet tank for a long time in the prior art, then the water level is maintained through overflow, the water temperature is ensured, and in order to avoid the damage of cable breakdown to safe production, the water is generally discharged to a trench by adding a submersible pump in the prior art.
But obviously, overflow water is in a plurality of rows of ditches, so that waste of water resources is easily caused, the waste is completely deviated from the national water-saving environment-friendly policy, extra cost is generated, the maintenance of enterprise images of related enterprises is also not facilitated, and stored water is periodically discharged to the ditches, so that waste of water resources is also caused, and extra production cost is generated.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a water storage recovery system for overflow water of a water jet tank and a water collection pit of a cable pit.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a water jet tank overflow water and cable pit sump water recovery system, the system comprising:
the fifth machine water jet tank, the sixth machine water jet tank and the seventh machine water jet tank are used for establishing and maintaining the vacuum of the condenser, so that the normal operation of the system is ensured;
a sewage well for temporarily storing sewage;
the water injection tank overflow well is used for emergently discharging the water and controlling the water flow;
the waste water conveying self-priming pump is a pump with a self-priming function and is used for conveying waste water;
the industrial recycling water tank is used for recycling certain waste substances so as to achieve the effects of energy conservation and environmental protection;
the recovery water pump is a pump with a recovery function and is used for recovering water to save water;
the cold water tower is a structure for cooling water;
a cable trench for laying and replacing underground pipes of power or telecommunication cable facilities;
a cable pit for temporarily collecting sewage to be discharged;
the submersible pump is an important device for extracting water from a deep well and is used for extracting water from the deep well to the ground surface.
Preferably, the fifth machine jet water tank, the sixth machine jet water tank and the seventh machine jet water tank are connected with the sewage well through respective overflow water pipes, and the sewage well is connected with a newly built jet water tank overflow well.
Preferably, a float type liquid level meter (switching value) is additionally arranged in the water injection tank overflow well to realize that a waste water conveying self-priming pump is started by 0.8m, the pump is stopped when the waste water conveying self-priming pump reaches 0.3m, the buried water is not lower than 0.5m, and the waste water conveying self-priming pump is connected to a seventh machine south industrial recovery pond.
Preferably, the float-type liquid level meter is characterized in that when the float is lifted due to the rising of the liquid level, the connecting rod pushes the rotating shaft to rotate, the pointer rotates, the use purpose of the float-type liquid level meter can be achieved by reading the height of the liquid level from the calibrated dial, and in order to enable the liquid level height and the pointer rotation angle to have a good linear relation, the angle between the connecting rod and the horizontal plane is generally smaller than 30, and the measuring range of the liquid level can be adjusted through the length of the connecting rod.
Preferably, the industrial water recovery water tank is connected with a recovery water pump, and the recovery water pump leads water to the water tower as unit cooling water for recycling.
Preferably, the cable pit is opened and connected with a newly built water collecting pit, a submersible pump (q=25m3/H, h=30m, p=4kw) is additionally arranged in the water collecting pit, before the pump is started, the suction pipe and the pump are required to be filled with liquid, after the pump is started, the impeller rotates at a high speed, the liquid therein rotates along with the blades, flies away from the impeller under the centrifugal effect and is ejected outwards, the ejected liquid gradually slows down in the diffusion chamber of the pump shell, the pressure gradually increases, and then flows out from the pump outlet and the discharge pipe, at the moment, a vacuum low-pressure area without air and liquid is formed at the center of the blades because the liquid is thrown to the periphery, the liquid in the liquid pool flows into the pump through the suction pipe under the action of the atmospheric pressure of the pool surface, the liquid is sucked from the liquid pool continuously and continuously flows out from the discharge pipe, thereby achieving the purpose of setting, meanwhile, the float-type liquid level meter (switching quantity) is additionally arranged to realize the pump starting at 0.2m, and the pipeline is led to the overflow well of the water tank at 0.6 m.
Preferably, a water collecting pit is newly built in the cable pit area, waste water is led to the water collecting pit through an opening of the cable pit wall, an original overflow port is reserved, and a waste water conveying self-priming pump (Q=70m3/H, H=15m and P=11kw) is arranged in the water injection tank overflow well.
Preferably, the buried pipeline in all steps of the system is subjected to outer wall polishing and rust removal, and then is subjected to corrosion prevention by adopting a three-oil two-cloth type.
Preferably, the three-oil two-cloth type corrosion prevention means that the three-oil two-cloth type corrosion prevention is generally used for the corrosion prevention treatment of metal pipelines, oil used in the technical process is petroleum, modified asphalt is commonly called corrosion prevention paint, and cloth used is glass fiber cloth, and the three-oil two-cloth type corrosion prevention treatment is coated with 3 layers of oil and wrapped with 2 layers of cloth.
Preferably, the system comprises the following operating method:
the overflow pipe of the water injection tank of the No. five machine is connected to the overflow pipe of the water injection tank of the No. six machine, so that overflow water is discharged to a waste water well (communicated with a waste water well of a door of a east of a plant of the water injection tank of the No. six machine, and the overflow of the water injection tank of the No. five machine and the water injection tank of the No. seven machine is ensured to be smooth;
and (3) reconstructing and expanding a south-side sewage well of a high-level factory of the seventh machine, wherein the depth of the original sewage well is 2.5m, and the diameter of a drainage pipeline is 500mm. The well is subjected to capacity expansion transformation, the area of an overflow well of the injection water tank after capacity expansion is 4.5mx1.5m, the depth of the well is 2.0m, and the overflow water of the injection water tank is recovered;
the cable pit is opened and connected into a newly built water collecting pit, a submersible pump is additionally arranged in the water collecting pit, a float type liquid level meter is additionally arranged, a pipeline is buried for 0.6m and connected to a water injection tank overflow well, water stored in the cable pit is recovered, and the potential safety hazard of long-term water storage, insulation and aging of the cable pit is solved;
and (3) leading the water in the water injection tank overflow well to a south industrial recovery water tank of the seventh machine, and leading the recovered water to a cooling tower of the unit through a recovery pump to be used as cooling water of the unit for recycling.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement that the water tank is penetrated to the No. five machines, the No. six machines penetrate the water tank, the No. seven machines penetrate the water tank and use the respective overflow water piping to connect such as sewage well, successfully realized guaranteeing that the overflow is unobstructed, the water temperature adjustment of the water tank of being convenient for penetrates, the high steam exhaust temperature of unit high back pressure during having satisfied winter heating is high, to the requirement of water tank temperature.
2. Through installing float type level gauge additional, the pipeline buries and draws to penetrating the water tank overflow well, has successfully realized retrieving cable pit deposit water, and has solved the cable pit and has deposited the potential safety hazard of water insulation ageing for a long time.
3. The waste water is conveyed to the self-priming pump, water in the overflow well of the water injection tank is led to the south industrial recovery water tank of the seventh machine, and meanwhile, the recovery pump is used for leading the recovered water to the cooling water tower of the machine set and is used as cooling water of the machine set, so that the recycling is realized, the daily recovery of the overflow water 1680 is expected, and the water consumption of the machine set is greatly reduced.
Drawings
FIG. 1 is a plan view of a water jet tank overflow well at the southwest corner of a seventh machine in a water jet tank overflow water and cable pit water storage recovery system;
FIG. 2 is a schematic diagram of the components of the water jet tank overflow water and cable pit water storage recovery system according to the present invention;
FIG. 3 is a schematic diagram of the operational steps in a water jet tank overflow water and cable pit sump water recovery system according to the present invention;
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
Referring to fig. 1-3, a water jet tank overflow water and cable pit sump water recovery system, the system comprising:
the fifth machine water jet tank, the sixth machine water jet tank and the seventh machine water jet tank are used for establishing and maintaining the vacuum of the condenser, so that the normal operation of the system is ensured;
a sewage well for temporarily storing sewage;
the water injection tank overflow well is used for emergently discharging the water and controlling the water flow;
the waste water conveying self-priming pump is a pump with a self-priming function and is used for conveying waste water;
the industrial recycling water tank is used for recycling certain waste substances so as to achieve the effects of energy conservation and environmental protection;
the recovery water pump is a pump with a recovery function and is used for recovering water to save water;
the cold water tower is a structure for cooling water;
a cable trench for laying and replacing underground pipes of power or telecommunication cable facilities;
a cable pit for temporarily collecting sewage to be discharged;
the submersible pump is an important device for extracting water from a deep well and is used for extracting water from the deep well to the ground surface.
The utility model is characterized in that the water tank of the fifth machine, the water tank of the sixth machine and the water tank of the seventh machine are connected with the sewage well through respective overflow water pipes, through the arrangement, the smooth overflow is successfully ensured, the water temperature adjustment of the water tank is facilitated, the high exhaust temperature of the unit is met when the unit runs under high back pressure during heating in winter, the requirement on the temperature of the water tank is met, the sewage well is connected with a newly built water tank overflow well, the water tank overflow well is additionally provided with a float type liquid level meter (switching value) for realizing starting a waste water conveying self-priming pump by 0.8m, stopping the pump when the water tank reaches 0.3m, and burying the water not lower than 0.5m, the water tank is connected to a south industrial recovery water tank of the seventh machine, the industrial water recovery water tank is connected with a recovery water pump, the recovery water pump leads water to a water tower as unit cooling water for recycling, a cable trench is provided with a newly built water collecting pit, and a submersible pump is additionally arranged in the water collecting pit (Q=25m3/H, h=30m, p=4kw), it is required to supplement that the submersible pump is constructed such that before the pump is started, the suction pipe and the pump must be filled with liquid, after the pump is started, the impeller rotates at a high speed, the liquid therein rotates together with the vane, and flies away from the impeller to be ejected outwards under the centrifugal effect, the ejected liquid gradually slows down in the diffusion chamber of the pump shell, the pressure gradually increases, and then flows out from the pump outlet pipe, at this time, a vacuum low pressure area without air and liquid is formed at the center of the vane because the liquid is thrown to the surroundings, the liquid in the liquid pool flows into the pump through the suction pipe under the action of the atmospheric pressure of the pool surface, the liquid is sucked up from the liquid pool continuously and flows out from the discharge pipe continuously in this way, thereby achieving the purpose of setting up the safety of the cable in the cable trench, meanwhile, a float type liquid level meter (switching value) is additionally arranged to realize the pump opening of 0.8m and the pump stopping of 0.2m, and the supplementary explanation is that the float type liquid level meter realizes the purpose of use by pushing a rotating shaft to rotate by a connecting rod and rotating a pointer when a float rises due to the rising of the liquid level, and simultaneously, in order to ensure that the liquid level height and the rotating angle of the pointer have better linear relation, the angle between the connecting rod and the horizontal plane is generally smaller than 30, the measuring range of the water level can be adjusted by the length of the connecting rod, and the buried pipeline of 0.6m is led to an overflow well of a water injection tank, the new-built sump pit in the cable pit area is connected with the waste water to the sump pit through the opening of the cable pit wall, the original overflow port is reserved, the waste water conveying self-priming pump (Q=70m3/H, H=15m, P=11kw) is arranged in the water jet tank overflow well, after the buried pipeline in all steps of the system is polished and derusted through the outer wall, three-oil two-cloth type corrosion prevention is adopted, and the supplementary explanation is that the three-oil two-cloth type corrosion prevention is generally used on the corrosion prevention treatment of a metal pipeline, in the technical process, the used oil is petroleum, modified asphalt is commonly called corrosion prevention paint, the used cloth is glass fiber cloth, 3 layers of oil are brushed, and 2 layers of cloth are wrapped.
The system comprises the following operation methods:
the overflow pipe of the water injection tank of the No. five machine is connected to the overflow pipe of the water injection tank of the No. six machine, so that overflow water is discharged to a waste water well (communicated with a waste water well of a door of a east of a plant of the water injection tank of the No. six machine, and the overflow of the water injection tank of the No. five machine and the water injection tank of the No. seven machine is ensured to be smooth;
and (3) reconstructing and expanding a south-side sewage well of a high-level factory of the seventh machine, wherein the depth of the original sewage well is 2.5m, and the diameter of a drainage pipeline is 500mm. The well is subjected to capacity expansion transformation, the area of an overflow well of the injection water tank after capacity expansion is 4.5mx1.5m, the depth of the well is 2.0m, and the overflow water of the injection water tank is recovered;
the cable pit is opened and connected into a newly built water collecting pit, a submersible pump is additionally arranged in the water collecting pit, a float type liquid level meter is additionally arranged, a pipeline is buried for 0.6m and connected to a water injection tank overflow well, water stored in the cable pit is recovered, and the potential safety hazard of long-term water storage, insulation and aging of the cable pit is solved;
the water in the water injection tank overflow well is led to a No. seven south industrial recovery water tank, the recovery water is led to a unit cooling water tower through a recovery pump and is used as cooling water of the unit for recycling, the technical improvement predicts the daily recoverable overflow water 1680 side, the water consumption of the unit is greatly reduced, the energy conservation and consumption reduction are successfully realized, the production cost is indirectly saved, and the efficiency of the system is fully exerted.
In the present invention, the functional principle thereof can be illustrated by the following operation modes:
firstly, a fifth water injection tank overflow pipe is connected to a sixth water injection tank overflow pipe, so that overflow water is discharged to a waste water well (communicated with a sixth sewage well and a seventh sewage well) of a east gate of a sixth water injection tank factory, the overflow of the fifth water injection tank, the sixth water injection tank and the seventh water injection tank of the water injection tank are ensured to be smooth, then the south sewage well of a seventh high factory is transformed and expanded, the depth of the original sewage well is 2.5m, and the diameter of a drainage pipeline is 500mm. The well is subjected to capacity expansion transformation, the area of an overflow well of the injection water tank after capacity expansion is 4.5mx1.5m, the depth of the well is 2.0m, the overflow water of the injection water tank is recovered, meanwhile, a cable pit is perforated and is connected into a newly built water collecting pit, a submerged pump is additionally arranged in the water collecting pit, a float type liquid level meter is additionally arranged, a pipeline is buried for 0.6m and is connected to the overflow well of the injection water tank, the water stored in the cable pit is recovered, finally, the water in the overflow well of the injection water tank is connected to a south industrial recovery pool of a seventh machine, and the recovered water is connected to a cooling water tower of a machine set through a recovery pump and is used as cooling water of the machine set for recycling.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. A water jet tank overflow water and cable pit water storage recovery system, the system comprising:
the system comprises a fifth machine water injection tank, a sixth machine water injection tank and a seventh machine water injection tank, wherein the fifth machine water injection tank, the sixth machine water injection tank and the seventh machine water injection tank are used for establishing and maintaining the vacuum of a condenser and guaranteeing the normal operation of the system, and are connected with a sewage well through respective overflow water pipes, and the sewage well is connected with a newly-built water injection tank overflow well;
a sewage well for temporarily storing sewage;
the water injection tank overflow well is used for emergently discharging the water and controlling the water flow, and is additionally provided with a float type liquid level meter for realizing the purposes that a waste water conveying self-priming pump is started at 0.8m, the pump is stopped when the waste water conveying self-priming pump reaches 0.3m, the buried water is not lower than 0.5m, and the waste water is led to a No. seven south industrial recovery pond;
the waste water conveying self-priming pump is a pump with a self-priming function and is used for conveying waste water;
the industrial recovery water tank is used for recycling certain waste substances so as to achieve the effects of energy conservation and environmental protection, and is connected with a recovery water pump which leads water to a water tower to be used as cooling water for a unit for recycling;
the recovery water pump is a pump with a recovery function and is used for recovering water to save water;
the cold water tower is a structure for cooling water;
the cable pit is provided with a hole for leading in and replacing an underground pipeline of an electric power or telecommunication cable facility, a newly built water pit is additionally arranged in the water pit, a suction pipe and the pump are required to be filled with liquid before the pump is started, an impeller rotates at a high speed after the pump is started, the liquid therein rotates along with a blade, the liquid flies away from the impeller to be ejected outwards under the action of centrifugation, the ejected liquid gradually slows down in a diffusion chamber of a pump shell, the pressure gradually increases and then flows out from the pump outlet pipe, at the moment, a vacuum low-pressure area without air and liquid is formed at the center of the blade because the liquid is thrown to the periphery, the liquid in the liquid pit flows into the pump through the suction pipe under the action of the atmospheric pressure of the tank surface, the liquid is continuously sucked from the liquid pit and continuously flows out from the discharge pipe in the way, thereby achieving the purpose of setting, a float-type liquid level meter is additionally arranged at the same time, the pump is started at 0.8m, the 0.2m pump is buried in the pipeline, the overflow well is led in the overflow water tank, the cable pit area is led in the water pit, the water pit is reserved from the water pit, and the waste water is led into the overflow pit through the drain hole;
a cable pit for temporarily collecting sewage to be discharged;
the submersible pump is an important device for extracting water from a deep well and is used for extracting water from the deep well to the ground surface.
2. A water jet tank overflow water and cable pit water storage recovery system according to claim 1, wherein the float type level gauge is characterized in that when the float is raised due to the rise of the liquid level, the connecting rod pushes the rotating shaft to rotate, the pointer rotates, the height from the calibrated dial to the liquid level is read to achieve the purpose of use, meanwhile, in order to enable the linear relation between the liquid level height and the pointer rotation angle, the angle between the connecting rod and the horizontal plane is smaller than 30, and the measuring range of the water level is adjusted by the length of the connecting rod.
3. The water tank overflow water and cable pit water storage recovery system according to claim 1, wherein the buried pipeline is subjected to outer wall polishing and rust removal in all steps of the system, and is corrosion-resistant in a three-oil two-cloth mode.
4. A water jet overflow and cable pit water storage recovery system according to claim 3, wherein said three-oil two-cloth type corrosion protection means used in the corrosion protection treatment of metal pipes, in the course of which the oil used is a petroleum, modified asphalt, called corrosion protection paint, the cloth used is glass fiber cloth, a total of 3 layers of oil are brushed, and 2 layers of cloth are wrapped.
5. A water jet tank overflow water and cable pit water storage recovery system as defined in claim 1, wherein the system comprises the following method of operation:
the overflow pipe of the water injection tank of the No. five machine is connected to the overflow pipe of the water injection tank of the No. six machine, so that overflow water is discharged to the pit sewage well of the east door of the water injection tank plant of the No. six machine and communicated with the No. six sewage well, and the overflow of the water injection tanks of the No. five, no. six and No. seven machines is ensured to be smooth;
the method comprises the steps of (1) reconstructing and enlarging a south-side sewage well of a high-level factory of a seventh machine, wherein the depth of an original sewage well is 2.5m, the diameter of a drainage pipeline is 500mm, performing capacity enlarging reconstruction on the well, enabling the area of an overflow well of a water jet tank after capacity enlarging to be 4.5mx1.5m, enabling the depth of the well to be 2.0m, and recycling overflow water of the water jet tank;
the cable pit is opened and connected into a newly built water collecting pit, a submersible pump is additionally arranged in the water collecting pit, a float type liquid level meter is additionally arranged, a pipeline is buried for 0.6m and connected to a water injection tank overflow well, water stored in the cable pit is recovered, and the potential safety hazard of long-term water storage, insulation and aging of the cable pit is solved;
and (3) leading the water in the water injection tank overflow well to a south industrial recovery water tank of the seventh machine, and leading the recovered water to a cooling tower of the unit through a recovery pump to be used as cooling water of the unit for recycling.
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| CN202111111962.0A CN114508395B (en) | 2021-09-23 | 2021-09-23 | Water tank overflow water and cable pit water storage recovery system |
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| CN202111111962.0A CN114508395B (en) | 2021-09-23 | 2021-09-23 | Water tank overflow water and cable pit water storage recovery system |
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| CN114508395B true CN114508395B (en) | 2024-01-26 |
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