CN114893393B - Exhaust device of water supply pump of gas boiler - Google Patents
Exhaust device of water supply pump of gas boiler Download PDFInfo
- Publication number
- CN114893393B CN114893393B CN202210421578.9A CN202210421578A CN114893393B CN 114893393 B CN114893393 B CN 114893393B CN 202210421578 A CN202210421578 A CN 202210421578A CN 114893393 B CN114893393 B CN 114893393B
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- Prior art keywords
- pipe
- water
- exhaust
- section
- collecting chamber
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 238000009987 spinning Methods 0.000 claims abstract description 3
- 238000009792 diffusion process Methods 0.000 claims description 28
- 230000008602 contraction Effects 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/06—Venting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Water Supply & Treatment (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses an exhaust device of a water supply pump of a gas boiler, and belongs to the field of water supply pumps of boilers. The exhaust device comprises an exhaust box, wherein a U-shaped connecting pipe, a spiral gas collecting pipe and a spinning conical gas collecting chamber are arranged in the exhaust box, two ends of the connecting pipe are respectively connected with a first vent pipe and a second vent pipe, the first vent pipe and the second vent pipe are both communicated with a water supply pump, the first vent pipe is positioned at a water inlet section of the water supply pump, the second vent pipe is positioned at a water outlet section of the water supply pump, one end of the gas collecting pipe is connected with the middle part of the connecting pipe, the other end of the gas collecting pipe is connected with the upper end of the gas collecting chamber, the middle part of the gas collecting chamber is connected with a first exhaust pipe, the output end of the first exhaust pipe extends out of the exhaust box, and a manual exhaust valve is arranged on the first exhaust pipe. The exhaust box is connected with the water supply pump of the gas boiler through the first vent pipe and the second vent pipe, so that secondary steam and air generated in the water inlet section and the water outlet section of the water supply pump are timely discharged, and cavitation of the water supply pump is avoided.
Description
Technical Field
The invention belongs to the field of boiler feed pumps, and particularly relates to an exhaust device of a gas boiler feed pump.
Background
The boiler feed water pump is an important component part of a modern boiler, and has important influence on the safe and stable operation of the boiler. In the use of boiler feed pump, often mix with air and steam in the boiler feed pump, cause cavitation in the boiler feed pump easily, still can lead to mechanical seal to damage, when the pipeline corrodes seriously, can also take place the pipeline explosion accident even, so often need to exhaust boiler feed pump.
At present, most of exhaust devices of boiler feed pumps adopt manual control valves to realize exhaust operation, so that steam scalding is easy to cause by the mode, safety is poor, and when the air pressure in the boiler feed pumps is consistent with the air pressure of the external air environment, the exhaust is not carried out outwards any more, so that the air emission in the boiler feed pumps is insufficient.
Disclosure of Invention
The present invention has been made in view of the above problems and disadvantages of the prior art, and an object of the present invention is to provide an exhaust apparatus for a water supply pump of a gas boiler, which can exhaust sufficiently in time.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides an exhaust apparatus of gas boiler feed pump, including the exhaust bin, be equipped with the connecting pipe of U-shaped in the exhaust bin, spiral gas collecting tube, spin conical gas collecting chamber, the connecting pipe both ends are connected with first breather pipe respectively, the second breather pipe, first breather pipe, the second breather pipe all communicates with the feed pump, first breather pipe is located feed pump water inlet section, the second breather pipe is located feed pump water outlet section, the middle part of connecting pipe is connected to gas collecting tube one end, the gas collecting chamber upper end is connected to the other end, the gas collecting chamber middle part is connected with first blast pipe, outside the gas collecting chamber was stretched out to first blast pipe output, be equipped with manual discharge valve on the first blast pipe. The first vent pipe is mainly used for exhausting air, and the second vent pipe is mainly used for exhausting secondary steam.
Further, the first vent pipe comprises a first diffusion section a, a first contraction section and a first diffusion section b, wherein a first pressure sensor is arranged on the inner wall of the first diffusion section a, a first electromagnetic valve is arranged on the first contraction section, and a first waterproof and breathable film is arranged in the first diffusion section b; the second ventilation pipe comprises a second diffusion section a, a second contraction section and a second diffusion section b, wherein a second pressure sensor is arranged on the inner wall of the second diffusion section a, a second electromagnetic valve is arranged on the second contraction section, and a second waterproof breathable film is arranged in the second diffusion section b; the top outside the exhaust box is provided with an electric cabinet, a controller and a power supply are arranged in the electric cabinet, and the controller is respectively and electrically connected with the first electromagnetic valve, the first pressure sensor, the second electromagnetic valve, the second pressure sensor and the power supply. The pressure inside the water inlet section of the water feeding pump is detected in real time through the first pressure sensor, and the pressure inside the water outlet section of the water feeding pump is detected in real time through the second pressure sensor.
Further, the water inlet pipe that is equipped with on the water inlet section of feed pump is connected the deaerator, and the deaerator still passes through the wet return with the outlet pipe that is equipped with on the water outlet section of feed pump and connects, the air chamber middle part still is connected with the second blast pipe, and the second blast pipe end of giving vent to anger is connected with the muffler, and the muffler other end is connected with the wet return.
Preferably, the air return pipe is provided with an air pump, and the air pump is electrically connected with the controller. The second exhaust pipe and the air pump are utilized to realize automatic and full intelligent exhaust, and gas is sent into the deaerator, so that the heat utilization rate and the deaerating effect of the deaerator are improved, and the pollution to the surrounding environment caused by direct exhaust is avoided.
Preferably, a third pressure sensor is arranged in the deaerator and is electrically connected with the controller. The pressure in the deaerator is detected in real time by utilizing the third pressure sensor, the pressure difference among the first pressure sensor, the second pressure sensor and the third pressure sensor is compared with a preset value by the controller, the exhaust action is accurately and timely judged, and cavitation of the water supply pump is avoided.
Further, a water collecting chamber is arranged in the exhaust box, the water collecting chamber is positioned below the air collecting chamber, the lower end of the air collecting chamber is communicated with the top of the water collecting chamber, a drain pipe is arranged at the lower part of the water collecting chamber, the discharge end of the drain pipe extends out of the exhaust box, and a drain valve is arranged on the drain pipe. The condensed water in the spiral gas collecting tube and the spinning cone-shaped gas collecting chamber is collected in the water collecting chamber and then discharged.
By adopting the technical scheme, the invention has the beneficial technical effects that: the exhaust box arranged on the exhaust device of the water supply pump of the gas boiler is connected with the water supply pump of the gas boiler through the first vent pipe and the second vent pipe, so that secondary steam and air generated in the water inlet section and the water outlet section of the water supply pump are timely discharged, and cavitation of the water supply pump is avoided; the automatic exhaust system has two exhaust modes of manual exhaust and automatic exhaust, so that the boiler feed pump stably operates, the automatic exhaust mode improves the exhaust intelligent degree, pressure signals are monitored in real time, timely, accurate and automatic exhaust is facilitated, the working efficiency of the feed pump is improved, and the service life of the feed pump is prolonged.
Drawings
FIG. 1 is a schematic view of an exhaust apparatus of a feed pump of a gas boiler according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the exhaust box of FIG. 1;
FIG. 3 is a schematic view of the first vent pipe in FIG. 1;
FIG. 4 is a schematic view of the second vent tube in FIG. 1;
FIG. 5 is a control schematic block diagram of an exhaust apparatus of a feed pump of a gas boiler according to an embodiment of the present invention;
The marks in the figure: 1-water feeding pump, 2-water inlet pipe, 3-water outlet pipe, 4-exhaust box, 401-connecting pipe, 402-gas collection chamber, 403-gas collection pipe, 404-first exhaust pipe, 405-manual exhaust valve, 406-second exhaust pipe, 407-water collection chamber, 408-drain pipe, 409-drain valve, 5-first vent pipe, 501-first diffusion section a, 502-first contraction section, 503-first diffusion section b, 504-first pressure sensor, 505-first waterproof ventilated membrane, 6-second vent pipe, 601-second diffusion section a, 602-second contraction section, 603-second diffusion section b, 604-second pressure sensor, 605-second waterproof ventilated membrane, 7-first solenoid valve, 8-second solenoid valve, 9-deaerator, 901-third pressure sensor, 10-return pipe, 11-return pipe, 12-suction pump, 13-electric control box, 1301-controller, 1302-power supply.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined. In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples
Referring to fig. 1-5, an exhaust device of a water supply pump 1 of a gas boiler in this embodiment includes an exhaust box 4, a U-shaped connecting pipe 401, a spiral gas collecting pipe 403 and a cone-shaped gas collecting chamber 402 are disposed in the exhaust box 4, two ends of the connecting pipe 401 are respectively connected with a first vent pipe 5 and a second vent pipe 6, the first vent pipe 5 and the second vent pipe 6 are both communicated with the water supply pump 1, the first vent pipe 5 is located at a water inlet section of the water supply pump 1, the second vent pipe 6 is located at a water outlet section of the water supply pump 1, one end of the gas collecting pipe 403 is connected with the middle part of the connecting pipe 401, the other end is connected with the upper end of the gas collecting chamber 402, the middle part of the gas collecting chamber 402 is connected with a first exhaust pipe 404, an output end of the first exhaust pipe 404 extends out of the exhaust box 4, and a manual exhaust valve 405 is disposed on the first exhaust pipe 404.
In this embodiment, the water feed pump 1 includes water inlet section, middle section, play water section, and the water inlet section is equipped with inlet tube 2, and play water section is equipped with outlet pipe 3, through at water feed pump 1 water inlet section connection first breather pipe 5, water feed pump 1 play water section connection second breather pipe 6 in time discharge air and the secondary steam in the water feed pump 1, first breather pipe 5 is mainly with the exhaust air, and second breather pipe 6 is mainly with the secondary steam.
Specifically, the first ventilation pipe 5 includes a first diffusion section a501, a first contraction section 502, and a first diffusion section b503, where a first pressure sensor 504 is disposed on an inner wall of the first diffusion section a501, a first electromagnetic valve 7 is disposed on the first contraction section 502, and a first waterproof and breathable film 505 is disposed in the first diffusion section b 503; the second ventilation pipe 6 comprises a second diffusion section a601, a second contraction section 602 and a second diffusion section b603, a second pressure sensor 604 is arranged on the inner wall of the second diffusion section a601, a second electromagnetic valve 8 is arranged on the second contraction section 602, and a second waterproof ventilation film 605 is arranged in the second diffusion section b 603; the outer top of the exhaust box 4 is provided with an electric cabinet 13, a controller 1301 and a power supply 1302 are arranged in the electric cabinet 13, and the controller 1301 is respectively and electrically connected with the first electromagnetic valve 7, the first pressure sensor 504, the second electromagnetic valve 8, the second pressure sensor 604 and the power supply 1302. The pressure inside the water inlet section of the water feed pump 1 is detected in real time by the first pressure sensor 504, and the pressure inside the water outlet section of the water feed pump 1 is detected in real time by the second pressure sensor 604.
Specifically, the water inlet pipe 2 that is equipped with on the water inlet section of feed pump 1 is connected deaerator 9, and deaerator 9 still passes through wet return 10 with the outlet pipe 3 that is equipped with on the water outlet section of feed pump 1 and is connected, the gas collection chamber 402 middle part still is connected with second blast pipe 406, and second blast pipe 406 end of giving vent to anger is connected with muffler 11, and the muffler 11 other end is connected with wet return 10, be equipped with aspiration pump 12 on the muffler 11, aspiration pump 12 and controller 1301 electric connection. The second exhaust pipe 406 and the air pump 12 are utilized to realize automatic and full intelligent exhaust, and gas is sent into the deaerator 9, so that the heat utilization rate and the deaerating effect of the deaerator 9 are improved, and the environmental pollution caused by direct exhaust is avoided.
Specifically, a third pressure sensor 901 is disposed in the deaerator 9, and the third pressure sensor 901 is electrically connected to the controller 1301. The pressure in the deaerator 9 is detected in real time by utilizing the third pressure sensor 901, the pressure difference among the first pressure sensor 504, the second pressure sensor 604 and the third pressure sensor 901 is compared with a preset value by the controller 1301, and the exhaust action is accurately and timely judged, so that cavitation of the water feeding pump 1 is avoided.
Specifically, a water collection chamber 407 is further disposed in the exhaust tank 4, the water collection chamber 407 is located below the air collection chamber 402, the lower end of the air collection chamber 402 is communicated with the top of the water collection chamber 407, a drain pipe 408 is disposed at the lower portion of the water collection chamber 407, the discharge end of the drain pipe 408 extends out of the exhaust tank 4, and a drain valve 409 is disposed on the drain pipe 408. The condensed water in the spiral gas collection tube 403 and the cone-shaped gas collection chamber 402 is collected in the water collection chamber 407 and discharged.
The working principle of the invention is as follows: the water enters the feed pump 1 from the water inlet pipe 2 after deoxidizing by the deoxidizer 9, and then the feed pump 1 sends the water into the boiler through the water outlet pipe 3; meanwhile, air and secondary steam in the water inlet section and the water outlet section of the water supply pump 1 enter a connecting pipe 401 in the exhaust box 4 through a first ventilation pipe 5 and a second ventilation pipe 6, then enter a gas collection chamber 402 through a gas collection pipe 403, gas in the gas collection chamber 402 can be directly discharged through a first exhaust pipe 404 in a manual mode, or can be sent into a deaerator 9 through a second exhaust pipe 406, a muffler 11 provided with an air pump 12 and a water return pipe 10, so that the heat utilization rate and the deaerating effect of the deaerator 9 are improved, and the deaerator 9 deoxidizes and simultaneously discharges air discharged by the water supply pump 1; the controller 1301 compares the pressure difference among the first pressure sensor 504, the second pressure sensor 604 and the third pressure sensor 901 with a preset value to accurately and timely judge whether to exhaust or not, so that cavitation of the feed pump 1 is avoided.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made without departing from the spirit of the invention, and such changes and substitutions are intended to be included within the scope of the invention.
Claims (3)
1. An exhaust device of a water supply pump of a gas boiler, comprising an exhaust box (4), characterized in that: a U-shaped connecting pipe (401), a spiral gas collecting pipe (403) and a spinning conical gas collecting chamber (402) are arranged in the gas discharging box (4), two ends of the connecting pipe (401) are respectively connected with a first vent pipe (5) and a second vent pipe (6), the first vent pipe (5) and the second vent pipe (6) are both communicated with the water feeding pump (1), the first vent pipe (5) is positioned at a water inlet section of the water feeding pump (1), the second vent pipe (6) is positioned at a water outlet section of the water feeding pump (1), one end of the gas collecting pipe (403) is connected with the middle part of the connecting pipe (401), the other end of the gas collecting pipe is connected with the upper end of the gas collecting chamber (402), the middle part of the gas collecting chamber (402) is connected with a first vent pipe (404), the output end of the first vent pipe (404) extends out of the gas discharging box (4), and a manual vent valve (405) is arranged on the first vent pipe (404);
The first ventilation pipe (5) comprises a first diffusion section a (501), a first contraction section (502) and a first diffusion section b (503), wherein a first pressure sensor (504) is arranged on the inner wall of the first diffusion section a (501), a first electromagnetic valve (7) is arranged on the first contraction section (502), and a first waterproof breathable film (505) is arranged in the first diffusion section b (503); the second ventilation pipe (6) comprises a second diffusion section a (601), a second contraction section (602) and a second diffusion section b (603), a second pressure sensor (604) is arranged on the inner wall of the second diffusion section a (601), a second electromagnetic valve (8) is arranged on the second contraction section (602), and a second waterproof breathable film (605) is arranged in the second diffusion section b (603); an electric control box (13) is arranged at the outer top of the exhaust box (4), a controller (1301) and a power supply (1302) are arranged in the electric control box (13), and the controller (1301) is electrically connected with the first electromagnetic valve (7), the first pressure sensor (504), the second electromagnetic valve (8), the second pressure sensor (604) and the power supply (1302) respectively;
The water inlet pipe (2) arranged on the water inlet section of the water supply pump (1) is connected with the deaerator (9), the deaerator (9) is also connected with the water outlet pipe (3) arranged on the water outlet section of the water supply pump (1) through the water return pipe (10), the middle part of the air collection chamber (402) is also connected with the second exhaust pipe (406), the air outlet end of the second exhaust pipe (406) is connected with the air return pipe (11), and the other end of the air return pipe (11) is connected with the water return pipe (10);
And the air return pipe (11) is provided with an air pump (12), and the air pump (12) is electrically connected with the controller (1301).
2. The exhaust apparatus of a gas boiler feed pump according to claim 1, characterized in that: a third pressure sensor (901) is arranged in the deaerator (9), and the third pressure sensor (901) is electrically connected with the controller (1301).
3. The exhaust apparatus of a gas boiler feed pump according to claim 1, characterized in that: the exhaust box (4) is internally provided with a water collecting chamber (407), the water collecting chamber (407) is positioned below the water collecting chamber (402), the lower end of the water collecting chamber (402) is communicated with the top of the water collecting chamber (407), the lower part of the water collecting chamber (407) is provided with a drain pipe (408), the discharge end of the drain pipe (408) extends out of the exhaust box (4), and the drain pipe (408) is provided with a drain valve (409).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421578.9A CN114893393B (en) | 2022-04-21 | 2022-04-21 | Exhaust device of water supply pump of gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210421578.9A CN114893393B (en) | 2022-04-21 | 2022-04-21 | Exhaust device of water supply pump of gas boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114893393A CN114893393A (en) | 2022-08-12 |
| CN114893393B true CN114893393B (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210421578.9A Active CN114893393B (en) | 2022-04-21 | 2022-04-21 | Exhaust device of water supply pump of gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114893393B (en) |
Citations (13)
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|---|---|---|---|---|
| US4019680A (en) * | 1974-10-07 | 1977-04-26 | Norris Orlin R | Steam generating system including means for reinitiating the operation of a steam bound boiler feed pump |
| JPH08261403A (en) * | 1995-03-20 | 1996-10-11 | Juki Corp | Boiler |
| EP2072823A2 (en) * | 2007-12-18 | 2009-06-24 | Wilo Ag | Rotary pump with venting arrangement |
| CN201412830Y (en) * | 2009-05-04 | 2010-02-24 | 中冶赛迪工程技术股份有限公司 | Water supply system for boilers |
| CN205155927U (en) * | 2015-04-29 | 2016-04-13 | 大唐桂冠合山发电有限公司 | A feedwater governing system for angering power boiler |
| CN206055600U (en) * | 2016-08-31 | 2017-03-29 | 贵州开磷集团股份有限公司 | A kind of boiler demineralized water water inlet system |
| CN207261295U (en) * | 2017-09-26 | 2018-04-20 | 上海大众祥源动力供应有限公司 | A kind of exhaust apparatus for boiler feed pump |
| CN209067490U (en) * | 2018-11-27 | 2019-07-05 | 长沙天康泵业科技有限公司 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
| CN209309022U (en) * | 2018-10-23 | 2019-08-27 | 新密市昌源集团电力有限公司 | A kind of exhaust apparatus for boiler feed pump |
| CN111747475A (en) * | 2020-07-08 | 2020-10-09 | 连云港久盛电力辅机有限公司 | Thermal rotary film type deaerator |
| CN212179004U (en) * | 2020-05-25 | 2020-12-18 | 西藏中环热力技术有限公司 | Heating power station moisturizing pump exhaust remote control device |
| CN213930882U (en) * | 2020-12-14 | 2021-08-10 | 四川卓益环保节能设备有限公司 | High-efficient catch water equipment |
| CN214664342U (en) * | 2021-04-12 | 2021-11-09 | 华能秦煤瑞金发电有限责任公司 | Environment-friendly energy-saving boiler starting drainage device |
-
2022
- 2022-04-21 CN CN202210421578.9A patent/CN114893393B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4019680A (en) * | 1974-10-07 | 1977-04-26 | Norris Orlin R | Steam generating system including means for reinitiating the operation of a steam bound boiler feed pump |
| JPH08261403A (en) * | 1995-03-20 | 1996-10-11 | Juki Corp | Boiler |
| EP2072823A2 (en) * | 2007-12-18 | 2009-06-24 | Wilo Ag | Rotary pump with venting arrangement |
| CN201412830Y (en) * | 2009-05-04 | 2010-02-24 | 中冶赛迪工程技术股份有限公司 | Water supply system for boilers |
| CN205155927U (en) * | 2015-04-29 | 2016-04-13 | 大唐桂冠合山发电有限公司 | A feedwater governing system for angering power boiler |
| CN206055600U (en) * | 2016-08-31 | 2017-03-29 | 贵州开磷集团股份有限公司 | A kind of boiler demineralized water water inlet system |
| CN207261295U (en) * | 2017-09-26 | 2018-04-20 | 上海大众祥源动力供应有限公司 | A kind of exhaust apparatus for boiler feed pump |
| CN209309022U (en) * | 2018-10-23 | 2019-08-27 | 新密市昌源集团电力有限公司 | A kind of exhaust apparatus for boiler feed pump |
| CN209067490U (en) * | 2018-11-27 | 2019-07-05 | 长沙天康泵业科技有限公司 | High-efficiency energy-saving horizontal self-balanced multiple-stage centrifugal pump |
| CN212179004U (en) * | 2020-05-25 | 2020-12-18 | 西藏中环热力技术有限公司 | Heating power station moisturizing pump exhaust remote control device |
| CN111747475A (en) * | 2020-07-08 | 2020-10-09 | 连云港久盛电力辅机有限公司 | Thermal rotary film type deaerator |
| CN213930882U (en) * | 2020-12-14 | 2021-08-10 | 四川卓益环保节能设备有限公司 | High-efficient catch water equipment |
| CN214664342U (en) * | 2021-04-12 | 2021-11-09 | 华能秦煤瑞金发电有限责任公司 | Environment-friendly energy-saving boiler starting drainage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114893393A (en) | 2022-08-12 |
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