CN114291447A - Water tank capable of isolating air - Google Patents
Water tank capable of isolating air Download PDFInfo
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- CN114291447A CN114291447A CN202111553830.3A CN202111553830A CN114291447A CN 114291447 A CN114291447 A CN 114291447A CN 202111553830 A CN202111553830 A CN 202111553830A CN 114291447 A CN114291447 A CN 114291447A
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- water tank
- gas
- tank
- water
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 231
- 239000007788 liquid Substances 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 8
- 239000008400 supply water Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 124
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air-isolatable water tank, which belongs to the field of water treatment equipment and comprises a water tank, a gas tank and a compressor, wherein the gas tank and the gas compressor are adopted, and water in the water tank is completely isolated from dissolved gas in the air by using water-insoluble gas (nitrogen or rare gas and the like), so that the air-isolatable water tank plays a role in isolating the air; the air isolation water tank adopts a closed structure, the inner space is completely filled with water-insoluble gas (nitrogen or rare gas and the like), automatic control is realized by utilizing various interlocking protection, and the water in the water tank can completely isolate air. The invention has reasonable structure and convenient operation, and can reduce the influence of air entering the conventional water tank on the water quality in the water tank.
Description
Technical Field
The invention relates to a water tank capable of isolating air, and belongs to the field of water treatment equipment.
Background
The water tank of the thermal power generation enterprise contains a large amount of dissolved oxygen in desalted water due to the fact that no isolated air exists, and the dissolved oxygen carried in the supplemented water enters a thermodynamic system to generate oxygen corrosion on a heating surface in a high-temperature high-pressure area. In order to reduce the content of dissolved oxygen in the desalted water replenishing tank within a qualified range, the desalted water in the desalted water tank and the condensed water replenishing tank need to be isolated from air. At present, most of the water tanks are provided with floating roofs or floating balls, but the floating roofs and the floating balls cannot completely isolate air, so that the desalted water still contains a large amount of harmful gases such as dissolved oxygen.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the water tank capable of isolating air, wherein the water tank adopts the gas tank and the gas compressor, and water in the water tank is completely isolated from dissolved gas in the air by using gases (nitrogen or rare gas and the like) which are not dissolved in water, so that the effect of isolating air is achieved; the air isolation water tank adopts a closed structure, the inner space is completely filled with water-insoluble gas (nitrogen or rare gas and the like), automatic control is realized by utilizing various interlocking protection, and the water in the water tank can completely isolate air.
The technical scheme adopted by the invention for solving the problems is as follows: an air-isolatable water tank is characterized by comprising a water tank, a gas tank and a compressor, wherein the upper part of the water tank is connected with a water tank inlet valve and a water tank outlet valve, the lower part of the water tank is connected with a water tank outlet valve and a water tank gas replacement valve, the middle part of the water tank is connected with a water tank inlet valve, the top of the water tank is connected with a water tank safety valve, the bottom of the water tank is connected with a water tank sewage discharge valve, all the water tank sewage discharge valves are connected by an anti-corrosion pipeline, an ultrasonic liquid level meter and a pressure meter are installed in the water tank, the ultrasonic liquid level meter performs low liquid level interlocking closing water tank outlet valve protection and high liquid level interlocking closing water tank outlet valve protection, the high liquid level of the water tank is below 30cm of the water tank exhaust valve, the interlocking water tank safety valve opens exhaust protection when the gas pressure in the water tank exceeds 1.07 atmospheric pressure, and closes the interlocking water tank safety valve protection when the gas pressure in the water tank is lower than 1.05 atmospheric pressure, when the gas pressure in the water tank is lower than 1.00 atmospheric pressure, an air inlet valve of the interlocking water tank is opened, and when the gas pressure in the water tank is higher than 1.02 atmospheric pressure, the air inlet valve of the interlocking water tank is closed; the gas tank is filled with water-insoluble gas (nitrogen or rare gas and the like), the gas tank is communicated with a water tank exhaust valve through a water tank exhaust pipeline, the gas tank is communicated with a water tank inlet valve through a water tank inlet pipeline, a water tank gas replacement valve is communicated with a water tank inlet pipeline, the top of the gas tank is connected with a gas tank safety valve, the upper part of the gas tank is connected with a gas tank exhaust valve, the middle of the gas tank is connected with a gas tank inlet valve, the lower part of the gas tank is connected with a gas tank lower exhaust valve and is all connected by an anti-corrosion pipeline, a pressure gauge is installed in the gas tank, the volume of the gas tank is 1/10 of the volume of the water tank, when the internal pressure of the gas tank is higher than 12 atmospheric pressures, the gas tank safety valve is opened in an interlocking manner, and when the internal pressure of the gas tank is lower than 11 atmospheric pressures, the gas tank safety valve is closed in an interlocking manner, interlocking gas shortage alarm when the internal pressure of the gas tank is lower than 1.2 atmospheric pressures; the compressor is installed on water tank exhaust duct, the compressor is gas compressor, on water tank exhaust duct install compressor outlet door between compressor and the gas tank, the compressor interlocking starts when the internal pressure of water tank is higher than 1.04 atmosphere, and water tank exhaust valve and compressor outlet door are opened to the interlocking simultaneously, and the compressor interlocking stops when the internal pressure of water tank is less than 1.01 atmosphere, and water tank exhaust valve and compressor outlet door are closed to the interlocking simultaneously.
When the water tank is used, the air inlet valve of the gas tank is opened to fill water-insoluble gas (nitrogen or rare gas and the like), the upper exhaust valve of the gas tank or the lower exhaust valve of the gas tank is opened according to the density of the filled gas to replace the air in the gas tank, the upper exhaust valve of the gas tank or the lower exhaust valve of the gas tank is closed after the gas replacement in the gas tank is finished, when the pressure in the gas tank reaches 10.5 atmospheric pressures, the air replacement door of the water tank and the sewage discharge door of the water tank are opened to replace the air in the water tank, the sewage discharge door of the water tank is closed after the gas replacement in the water tank is finished, when the gas pressure in the water tank reaches 1.02 atmospheric pressure, the air inlet valve of the gas tank is closed to complete the gas replacement of the water tank; opening a water inlet door of a water tank to fill water into the water tank, starting a compressor in an interlocking manner when the gas pressure in the water tank reaches 1.04 atmosphere, simultaneously opening an exhaust door of the water tank and an outlet door of the compressor in an interlocking manner, stopping the compressor in an interlocking manner when the gas pressure in the water tank reaches 1.01 atmosphere, and simultaneously closing the exhaust door of the water tank and the outlet door of the compressor in an interlocking manner; when the water tank water outlet door is opened to supply water to the outside, when the gas pressure in the water tank reaches 1.00 atmosphere, the water tank inlet valve is opened in an interlocking manner, and when the gas pressure in the water tank reaches 1.02 atmosphere, the water tank inlet valve is closed in an interlocking manner.
Compared with the prior art, the invention has the following advantages and effects: reasonable structure, convenient operation and capability of reducing the influence of air entering the conventional water tank on the water quality in the water tank.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a water tank 1, a gas tank 2, a compressor 3, a water tank inlet valve 4, a water tank outlet valve 5, a water tank sewage discharge valve 6, a water tank safety valve 7, a water tank exhaust valve 8, a water tank inlet valve 9, a water tank gas replacement valve 10, a compressor outlet valve 11, a gas tank safety valve 12, a gas tank upper exhaust valve 13, a gas tank inlet valve 14 and a gas tank lower exhaust valve 15.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1, in this embodiment, an air isolatable water tank comprises a water tank 1, a gas tank 2 and a compressor 3, wherein the upper part of the water tank 1 is connected with a water tank inlet door 4 and a water tank outlet door 8, the lower part of the water tank 1 is connected with a water tank outlet door 5 and a water tank gas replacement door 10, the middle part of the water tank 1 is connected with a water tank inlet valve 9, the top of the water tank 1 is connected with a water tank safety valve 7, the bottom of the water tank 1 is connected with a water tank sewage discharge door 6, all of which are connected by an anti-corrosion pipeline, an ultrasonic level meter and a pressure gauge are installed in the water tank 1, the ultrasonic level meter performs low-level interlocking closing protection on the water tank outlet door 5 and high-level interlocking closing protection on the water tank outlet door 8, the high level of the water tank 1 is below 30cm of the water tank outlet door 8, the interlocking water tank safety valve 7 opens exhaust protection when the gas pressure in the water tank 1 exceeds 1.07 atmospheric pressure, and the interlocking water tank safety valve 7 closes protection when the gas pressure in the water tank 1 is lower than 1.05 atmospheric pressure, when the gas pressure in the water tank 1 is lower than 1.00 atmospheric pressure, an interlocking water tank inlet valve 9 is opened, and when the gas pressure in the water tank 1 is higher than 1.02 atmospheric pressure, the interlocking water tank inlet valve 9 is closed; the gas tank 2 is filled with water-insoluble gas (nitrogen or rare gas and the like), the gas tank 2 is communicated with a water tank exhaust valve 8 through a water tank exhaust pipeline, the gas tank 2 is communicated with a water tank inlet valve 9 through a water tank inlet pipeline, a water tank gas replacement door 10 is communicated with the water tank inlet pipeline, the top of the gas tank 2 is connected with a gas tank safety valve 12, the upper part of the gas tank 2 is connected with a gas tank upper exhaust valve 13, the middle part of the gas tank 2 is connected with a gas tank inlet valve 14, the lower part of the gas tank 2 is connected with a gas tank lower exhaust valve 15 which are all connected through an anti-corrosion pipeline, a pressure gauge is arranged in the gas tank 2, the volume of the gas tank 2 is 1/10 of the volume of the water tank 1, the gas tank safety valve 12 is opened for protection in an interlocking manner when the internal pressure of the gas tank 2 is higher than 12 atmospheric pressures, the gas tank safety valve 12 is closed for protection in an interlocking manner when the internal pressure of the gas tank 2 is lower than 11 atmospheric pressures, interlocking gas shortage alarm when the internal pressure of the gas tank 2 is lower than 1.2 atmospheric pressures; compressor 3 installs on water tank exhaust duct, compressor 3 is gas compressor, install compressor outlet door 11 on water tank exhaust duct between compressor 3 and the gas tank 2, compressor 3 starts when the internal pressure of water tank 1 is higher than 1.04 atmospheric pressure in the interlocking, interlock simultaneously and open water tank exhaust valve 8 and compressor outlet door 11, compressor 3 stops when the internal pressure of water tank 1 is less than 1.01 atmospheric pressure in the interlocking, interlock simultaneously and close water tank exhaust valve 8 and compressor outlet door 11.
When the water tank is used, the gas tank inlet valve 14 is opened to fill water-insoluble gas (nitrogen or rare gas and the like), the upper exhaust valve 13 or the lower exhaust valve 15 of the gas tank is opened according to the density of the filled gas to replace the air in the gas tank 2, the upper exhaust valve 13 or the lower exhaust valve 15 of the gas tank is closed after the gas replacement in the gas tank 2 is finished, when the pressure in the gas tank 2 reaches 10.5 atmospheric pressures, the water tank gas replacement door 10 and the water tank blowdown door 6 are opened to replace the air in the water tank 1, the water tank blowdown door 6 is closed after the gas replacement in the water tank 1 is finished, when the gas pressure in the water tank 1 reaches 1.02 atmospheric pressure, the water tank gas replacement door 10 is closed, and when the gas pressure in the gas tank 2 reaches 1.5 atmospheric pressures, the gas tank inlet valve 14 is closed to complete the gas replacement in the water tank 1; opening a water tank inlet door 4 to fill water into the water tank 1, starting the compressor 3 in an interlocking manner when the gas pressure in the water tank 1 reaches 1.04 atmosphere, simultaneously opening a water tank exhaust valve 8 and a compressor outlet door 11 in an interlocking manner, stopping the compressor 3 in an interlocking manner when the gas pressure in the water tank 1 reaches 1.01 atmosphere, and simultaneously closing the water tank exhaust valve 8 and the compressor outlet door 11 in an interlocking manner; when the water tank water outlet door 5 is opened to supply water to the outside, when the gas pressure in the water tank 1 reaches 1.00 atmosphere, the interlocking opens the water tank inlet valve 9, and when the gas pressure in the water tank 1 reaches 1.02 atmosphere, the interlocking closes the water tank inlet valve 9.
Those not described in detail in this specification are well within the skill of the art.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (2)
1. An air-isolatable water tank is characterized by comprising a water tank (1), a gas tank (2) and a compressor (3), wherein the upper part of the water tank (1) is connected with a water tank inlet valve (4) and a water tank outlet valve (8), the lower part of the water tank (1) is connected with a water tank outlet valve (5) and a water tank gas replacement valve (10), the middle part of the water tank (1) is connected with a water tank inlet valve (9), the top of the water tank (1) is connected with a water tank safety valve (7), the bottom of the water tank (1) is connected with a water tank blowdown valve (6), an ultrasonic liquid level meter and a pressure gauge are installed in the water tank (1), the ultrasonic liquid level meter performs low-liquid-level interlocking closing of the water tank outlet valve (5) protection and high-liquid-level interlocking closing of the water tank outlet valve (8) protection, and opens the air-discharging protection of the interlocking water tank safety valve (7) when the gas pressure in the water tank (1) exceeds 1.07 atmospheric pressure, when the gas pressure in the water tank (1) is lower than 1.05 atmospheric pressure, the safety valve (7) of the interlocking water tank is closed for protection, when the gas pressure in the water tank (1) is lower than 1.00 atmospheric pressure, the inlet valve (9) of the interlocking water tank is opened, and when the gas pressure in the water tank (1) is higher than 1.02 atmospheric pressure, the inlet valve (9) of the interlocking water tank is closed; the gas tank (2) is filled with water-insoluble gas, the gas tank (2) is communicated with a water tank exhaust valve (8) through a water tank exhaust pipeline, the gas tank (2) is communicated with a water tank inlet valve (9) through a water tank inlet pipeline, a water tank gas replacement valve (10) is communicated with a water tank inlet pipeline, the top of the gas tank (2) is connected with a gas tank safety valve (12), the upper part of the gas tank (2) is connected with a gas tank upper exhaust valve (13), the middle part of the gas tank (2) is connected with a gas tank inlet valve (14), the lower part of the gas tank (2) is connected with a gas tank lower exhaust valve (15), a pressure gauge is installed in the gas tank (2), the volume of the gas tank (2) is 1/10 of the volume of the water tank (1), and the gas tank safety valve (12) is opened in an interlocking manner when the internal pressure of the gas tank (2) is higher than 12 atmospheric pressures, when the internal pressure of the gas tank (2) is lower than 11 atmospheric pressures, the gas tank safety valve (12) is closed in an interlocking manner for protection, and when the internal pressure of the gas tank (2) is lower than 1.2 atmospheric pressures, the gas tank safety valve is in an interlocking gas shortage warning manner; compressor (3) are installed on water tank exhaust duct, compressor (3) are gas compressor, on water tank exhaust duct install compressor outlet door (11) between compressor (3) and gas tank (2), compressor (3) interlock when the internal pressure of water tank (1) is higher than 1.04 atmosphere starts, and water tank exhaust valve (8) and compressor outlet door (11) are opened to the interlock simultaneously, and compressor (3) interlock stops when the internal pressure of water tank (1) is less than 1.01 atmosphere, and water tank exhaust valve (8) and compressor outlet door (11) are closed to the interlock simultaneously.
2. The air isolatable water tank of claim 1 wherein, in use, the gas tank inlet valve (14) is opened to allow the water insoluble gas to fill, the upper exhaust valve (13) of the gas tank or the lower exhaust valve (15) of the gas tank is opened according to the density of the charged gas to replace the air in the gas tank (2), the upper exhaust valve (13) of the gas tank or the lower exhaust valve (15) of the gas tank is closed after the gas in the gas tank (2) is replaced, when the pressure in the gas tank (2) reaches 10.5 atmospheric pressures, the gas replacement door (10) of the water tank and the sewage discharge door (6) of the water tank are opened to replace the air in the water tank (1), the sewage discharge door (6) of the water tank is closed after the gas replacement in the water tank (1) is finished, when the air pressure in the water tank (1) reaches 1.02 atmosphere, the air replacement door (10) of the water tank is closed, when the gas pressure in the gas tank (2) reaches 1.5 atmospheric pressures, closing the gas tank inlet valve (14) to complete the gas replacement of the water tank (1); opening a water inlet door (4) of the water tank to fill water into the water tank (1), starting the compressor (3) in an interlocking manner when the gas pressure in the water tank (1) reaches 1.04 atmosphere, simultaneously opening an exhaust valve (8) of the water tank and an outlet door (11) of the compressor in an interlocking manner, stopping the compressor (3) in an interlocking manner when the gas pressure in the water tank (1) reaches 1.01 atmosphere, and simultaneously closing the exhaust valve (8) of the water tank and the outlet door (11) of the compressor in an interlocking manner; when the water tank water outlet door (5) is opened to supply water to the outside, when the gas pressure in the water tank (1) reaches 1.00 atmospheric pressure, the water tank inlet valve (9) is opened by interlocking, and when the gas pressure in the water tank (1) reaches 1.02 atmospheric pressure, the water tank inlet valve (9) is closed by interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553830.3A CN114291447A (en) | 2021-12-17 | 2021-12-17 | Water tank capable of isolating air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553830.3A CN114291447A (en) | 2021-12-17 | 2021-12-17 | Water tank capable of isolating air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114291447A true CN114291447A (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111553830.3A Pending CN114291447A (en) | 2021-12-17 | 2021-12-17 | Water tank capable of isolating air |
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| CN (1) | CN114291447A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202321321U (en) * | 2011-12-13 | 2012-07-11 | 厦门市格绿科技有限公司 | Nitrogen-seal protection system |
| CN103112932A (en) * | 2013-03-05 | 2013-05-22 | 深圳恒通源水处理科技有限公司 | Nitrogen sealed water tank |
| CN104370000A (en) * | 2014-11-04 | 2015-02-25 | 中国石油化工股份有限公司 | Safe and environment-friendly method for protecting storage tanks |
| CN105806146A (en) * | 2016-04-29 | 2016-07-27 | 浙江天地环保工程有限公司 | Water supplementing constant-pressure system of pipe type heat exchanger and abnormal operation control method |
| CN110067937A (en) * | 2019-05-21 | 2019-07-30 | 挪亚圣诺（太仓）生物科技有限公司 | A kind of nitrogen-sealed system and sealing technology |
| CN211733942U (en) * | 2020-02-17 | 2020-10-23 | 上海申能崇明发电有限公司 | Demineralized water quality protection device |
-
2021
- 2021-12-17 CN CN202111553830.3A patent/CN114291447A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202321321U (en) * | 2011-12-13 | 2012-07-11 | 厦门市格绿科技有限公司 | Nitrogen-seal protection system |
| CN103112932A (en) * | 2013-03-05 | 2013-05-22 | 深圳恒通源水处理科技有限公司 | Nitrogen sealed water tank |
| CN104370000A (en) * | 2014-11-04 | 2015-02-25 | 中国石油化工股份有限公司 | Safe and environment-friendly method for protecting storage tanks |
| CN105806146A (en) * | 2016-04-29 | 2016-07-27 | 浙江天地环保工程有限公司 | Water supplementing constant-pressure system of pipe type heat exchanger and abnormal operation control method |
| CN110067937A (en) * | 2019-05-21 | 2019-07-30 | 挪亚圣诺（太仓）生物科技有限公司 | A kind of nitrogen-sealed system and sealing technology |
| CN211733942U (en) * | 2020-02-17 | 2020-10-23 | 上海申能崇明发电有限公司 | Demineralized water quality protection device |
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Application publication date: 20220408 |