CN113669270B - Low-concentration gas pressurizing fan - Google Patents
Low-concentration gas pressurizing fan Download PDFInfo
- Publication number
- CN113669270B CN113669270B CN202111053982.7A CN202111053982A CN113669270B CN 113669270 B CN113669270 B CN 113669270B CN 202111053982 A CN202111053982 A CN 202111053982A CN 113669270 B CN113669270 B CN 113669270B
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- CN
- China
- Prior art keywords
- motor
- fan
- guide sleeve
- air guide
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 abstract description 8
- 238000006297 dehydration reaction Methods 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 7
- 238000000889 atomisation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/706—Humidity separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a low-concentration gas pressurizing fan, which comprises a fan shell, wherein the fan shell is of an axial two-end opening structure, a motor is axially arranged in the fan shell, one end of the motor is provided with a front guide cover which protrudes outwards, the other end of the motor is provided with a rear guide cover which protrudes outwards, and the end of a motor shaft is provided with blades; a water feeding pipe is arranged at the front end of the fan shell, which is radially close to the front air guide sleeve; the front air guide sleeve is arranged on one side of the blade far away from the motor; the inside of the fan shell is provided with the dehydration dust-settling grille, one end of the fan shell is provided with the air outlet, the inside of the fan shell, which is close to the bottom of the inside of the dehydration dust-settling grille, is provided with the liquid collecting tank with the open structure at the top, so that the system is simplified, the investment is reduced, the occupied area is reduced, the running cost is reduced, and the water and dust are effectively removed while the pressurization is carried out.
Description
Technical Field
The invention relates to the field of energy conservation and emission reduction of gas, in particular to a low-concentration gas pressurizing fan.
Background
The residual pressure at the outlet of the water ring vacuum pump of the gas extraction station is generally about 5kPa and is relatively low. If the low-concentration gas needs to be utilized, facilities such as a diffusing device, a filtering device, an explosion-proof device, a water-seal fire-proof explosion-proof device, a fire-proof device, a dehydration device and the like are arranged in the low-concentration gas conveying process according to the safety and process requirements, the pressure from the low-concentration gas passing through the facilities to the inlet of the low-concentration gas utilization device is very low, and the utilization of the low-concentration gas is influenced according to the running condition of the current low-concentration gas utilization project.
According to the specification of the design specification AQ1076-2009 of the low-concentration gas safety guarantee conveying system of the coal mine, a wet compressor is adopted for the low-concentration gas pressurizing equipment, and if the wet compressor is adopted, the wet compressor needs to be built and meanwhile, the equipment such as a circulating water pump, a cooling tower and the like needs to be matched, so that the system is complex, the occupied area is large, the manufacturing cost is high, and the operation cost is high.
On the premise of meeting the requirement of effectively utilizing low-concentration gas, the invention provides a low-concentration gas pressurizing fan for simplifying the system, reducing investment, reducing occupied area, reducing operation cost and effectively removing moisture and dust.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the low-concentration gas pressurizing fan which simplifies the system, reduces the investment, reduces the occupied area, reduces the operation cost and effectively removes the moisture and dust.
In order to solve the technical problems, the invention provides the following technical scheme: the low-concentration gas pressurizing fan comprises a fan shell, wherein the fan shell is of an axial two-end opening structure, a motor is axially arranged in the fan shell, one end of the motor is provided with a front guide cover protruding outwards, the other end of the motor is provided with a rear guide cover protruding outwards, and the motor shaft end is provided with blades;
A water adding pipe is arranged at the front end of the fan shell, which is radially close to the front air guide sleeve;
The front air guide sleeve is arranged on one side of the blade far away from the motor;
The novel dewatering dust-settling device is characterized in that a dewatering dust-settling grid is arranged in the fan shell, one air outlet end of the fan shell is arranged, and a liquid collecting tank with an open structure at the top is arranged in the fan shell and close to the bottom of the inner side of the dewatering dust-settling grid.
As a preferable technical scheme of the invention, a motor protection shell is arranged between the front air guide sleeve and the rear air guide sleeve, the motor is arranged in the motor protection shell, and a smooth shell structure is formed among the front air guide sleeve, the motor protection shell and the rear air guide sleeve.
As a preferable technical scheme of the invention, the water adding pipe is in an L-shaped structure, and the water outlet at the bottom is close to the front air guide sleeve.
As a preferable technical scheme of the invention, one end of the water adding pipe, which is close to the front air guide sleeve, is provided with a water outlet.
As a preferable technical scheme of the invention, the water adding pipe is set in a two-section structure, and a valve is connected between the two water adding pipes.
As a preferable technical scheme of the invention, a drain pipe with a penetrating structure is arranged at the lower end of the liquid collecting tank.
As a preferred technical solution of the present invention, the motor includes, but is not limited to, a high-rotation-speed explosion-proof motor.
Compared with the prior art, the invention has the following beneficial effects:
1. the low-concentration gas pressurizing fan can be directly connected with a gas pipeline, and the construction and the installation are simple.
2. The wet pressurizing machine room is not required to be built, the occupied area is reduced, and the investment is reduced.
3. And facilities such as a circulating water pump and a cooling tower are not required, the system is simple, and the maintenance and management are convenient.
4. The electric equipment is few, the distribution power is small, and the operation cost is reduced.
5. The rear part is provided with a dehydration dust-settling grid, so that the moisture and dust in the low-concentration gas can be effectively removed, and the service life of the low-concentration gas utilization device is prolonged.
6. The development of the low-concentration gas pressurizing fan expands the effective utilization range of the low-concentration gas and creates favorable conditions for the reasonable utilization of the low-concentration gas.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
Fig. 3 is an enlarged schematic view of the structure of fig. 1B according to the present invention.
Wherein: 1. a blower housing; 2. a water supply pipe; 21. a valve; 22. a water outlet; 3. a front pod; 4. a blade; 5. a motor; 6. a motor protective housing; 7. a rear pod; 8. a dewatering dust-settling grid; 9. a liquid collecting tank; 91. and a blow-down pipe.
Detailed Description
The invention is further described in connection with the following embodiments in order to make the technical means, the creation features, the achievement of the purpose and the effect of the invention easy to understand.
Examples:
As shown in fig. 1-3, the invention provides a low-concentration gas pressurizing fan, which comprises a fan shell 1, wherein the fan shell 1 is of an axial two-end opening structure, a motor 5 is axially arranged in the fan shell 1, one end of the motor 5 is provided with a front guide cover 3 protruding outwards, the other end of the motor 5 is provided with a rear guide cover 7 protruding outwards, and the shaft end of the motor 5 is provided with blades 4; a water adding pipe 2 is arranged at the front end of the fan shell 1, which is radially close to the front air guide sleeve 3; the front air guide sleeve 3 is arranged on one side of the blade 4 far away from the motor 5; the inside of the fan housing 1 is provided with a dehydration dust-settling grid 8, one end of the fan housing 1, which is used for exhausting air, is provided with a liquid collecting tank 9 with an open structure at the top, wherein the bottom of the inside of the fan housing 1, which is close to the inside of the dehydration dust-settling grid 8.
When in use, the motor 5 is isolated from low-concentration gas within the explosion limit range, so that explosion caused by direct contact between the low-concentration gas and the motor 5 is avoided; the water adding pipe 2 is arranged right in front of the front air guide sleeve 3, water is introduced into the water adding pipe 2, meanwhile, the water is rapidly atomized under the combined action of about 3kPa of negative pressure difference and about 15m/s of high-speed airflow speed, and fine water mist is attached to the surfaces of the blades 4 to form a water film, so that static electricity on the surfaces of the blades 4 of the fan is prevented, and the blades 4 are ensured not to be charged with static electricity and generate sparks; meanwhile, the front air guide sleeve 3 and the rear air guide sleeve 7 are arranged to avoid vortex areas, so that air flow resistance is reduced, and the efficiency of the fan is improved; the secondary high-speed motor is adopted, so that the gas conveying pressure is improved, and a guarantee is provided for conveying low-concentration gas for a long distance;
When the atomized water reaches the dehydration dust-settling grid 8, the water mist and dust in the high-speed low-concentration gas collide with the grid by the dehydration dust-settling grid 8, the water and the dust are separated, the condensed water drops of larger particles naturally fall to the liquid collecting tank 9 to be discharged, the water entering the low-concentration gas utilization device is greatly reduced, the combustion efficiency is improved, the dust entering the metal fiber woven burner is reduced, and the service life of the burner is prolonged.
In other embodiments, a motor protection shell 6 is arranged between the front air guide sleeve 3 and the rear air guide sleeve 7, the motor 5 is arranged in the motor protection shell 6, a smooth shell structure is formed among the front air guide sleeve 3, the motor protection shell 6 and the rear air guide sleeve 7, the air flow resistance is reduced, the fan efficiency is improved, and meanwhile, the motor 5 is protected.
In other embodiments, the water adding pipe 2 is set in an L-shaped structure, and the water outlet at the bottom is close to the front of the front air guide sleeve 3, so that after the water adding pipe 2 is used for supplying water, the liquid can uniformly form an atomization state to spray the blades 4.
In other embodiments, the water inlet pipe 2 is provided with a water outlet 22 near one end of the front air guide sleeve 3, so that the atomization effect of the water outlet end of the water inlet pipe 2 is effectively improved.
In other embodiments, the water adding pipe 2 is set in a two-stage structure, and a valve 21 is connected between the two water adding pipes 2, and the water yield of the water adding pipe 2 is controlled through the valve 21, so that the atomizing effect of the blades 4 on water is adjusted when the motor 5 runs.
In other embodiments, a drain pipe 91 having a penetrating structure is installed at the lower end of the sump 9, so as to intensively drain the liquid collected in the sump 9.
In other embodiments, the motor 5 includes, but is not limited to, a high-speed flameproof motor, avoiding explosion caused by direct contact of low-concentration gas with the motor 5, and enabling rapid atomization of water under the high-speed airflow of the high-speed motor.
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.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a low concentration gas booster fan, including fan housing (1), its characterized in that: the fan comprises a fan shell (1), wherein the fan shell is of an axial two-end opening structure, a motor (5) is axially arranged in the fan shell (1), a front guide cover (3) protruding outwards is arranged at one end of the motor (5), a rear guide cover (7) protruding outwards is arranged at the other end of the motor (5), and blades (4) are arranged at the shaft ends of the motor (5);
a water adding pipe (2) is arranged at the front end of the fan shell (1) which is radially close to the front diversion cover (3);
The front air guide sleeve (3) is arranged on one side of the blade (4) far away from the motor (5);
the novel dewatering dust-settling device is characterized in that a dewatering dust-settling grid (8) is arranged in the blower housing (1), one air outlet end of the blower housing (1) is arranged, and a liquid collecting tank (9) with an open top structure is arranged at the bottom of the inner side of the blower housing (1) close to the dewatering dust-settling grid (8);
A motor protection shell (6) is arranged between the front air guide sleeve (3) and the rear air guide sleeve (7), the motor (5) is arranged in the motor protection shell (6), and a smooth shell structure is formed among the front air guide sleeve (3), the motor protection shell (6) and the rear air guide sleeve (7);
The water adding pipe (2) is in an L-shaped structure, and a water outlet at the bottom is close to the front of the front air guide sleeve (3);
A water outlet (22) is formed in one end, close to the front air guide sleeve (3), of the water adding pipe (2);
The water adding pipes (2) are of two-section structure, and a valve (21) is connected between the two water adding pipes (2).
2. The low-concentration gas booster fan of claim 1, wherein: a blow-down pipe (91) with a penetrating structure is arranged at the lower end of the liquid collecting groove (9).
3. The low-concentration gas booster fan of claim 1, wherein: the motor (5) includes, but is not limited to, a high-speed explosion-proof motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053982.7A CN113669270B (en) | 2021-09-09 | 2021-09-09 | Low-concentration gas pressurizing fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111053982.7A CN113669270B (en) | 2021-09-09 | 2021-09-09 | Low-concentration gas pressurizing fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113669270A CN113669270A (en) | 2021-11-19 |
| CN113669270B true CN113669270B (en) | 2024-05-03 |
Family
ID=78549066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111053982.7A Active CN113669270B (en) | 2021-09-09 | 2021-09-09 | Low-concentration gas pressurizing fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113669270B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446377A (en) * | 2008-09-05 | 2009-06-03 | 广东宏陶陶瓷有限公司 | Seal water system of gas compressor |
| CN101498304A (en) * | 2009-03-11 | 2009-08-05 | 宁波鲍斯压缩机有限公司 | Coal bed gas double screw rod compressor unit |
| CN203130609U (en) * | 2012-12-28 | 2013-08-14 | 上海宝钢工业技术服务有限公司 | Gas booster fan |
| CN203540279U (en) * | 2013-11-25 | 2014-04-16 | 重庆梅安森科技股份有限公司 | Turbo type mining wet dust collector |
| CN205055741U (en) * | 2015-11-03 | 2016-03-02 | 华北理工大学 | Explosion -proof dust collector of mining water jet |
| CN207701400U (en) * | 2017-12-22 | 2018-08-07 | 江苏全风环保科技有限公司 | Explosion-proof type Middle pressure draught fan |
| JP2018131974A (en) * | 2017-02-15 | 2018-08-23 | ファナック株式会社 | Fan unit, method of manufacturing the same, and motor drive device |
| CN209324696U (en) * | 2018-11-24 | 2019-08-30 | 宁波易泰电器制造有限公司 | Circulation fan |
| CN112360769A (en) * | 2020-12-01 | 2021-02-12 | 娄加建 | Special gas compressing device for gas power generation |
| CN112780587A (en) * | 2019-11-08 | 2021-05-11 | 青岛海尔智能技术研发有限公司 | Gas booster and gas equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10424987B2 (en) * | 2016-12-09 | 2019-09-24 | Asia Vital Components Co. Ltd. | Protective structure of stator and fan using the same |
-
2021
- 2021-09-09 CN CN202111053982.7A patent/CN113669270B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446377A (en) * | 2008-09-05 | 2009-06-03 | 广东宏陶陶瓷有限公司 | Seal water system of gas compressor |
| CN101498304A (en) * | 2009-03-11 | 2009-08-05 | 宁波鲍斯压缩机有限公司 | Coal bed gas double screw rod compressor unit |
| CN203130609U (en) * | 2012-12-28 | 2013-08-14 | 上海宝钢工业技术服务有限公司 | Gas booster fan |
| CN203540279U (en) * | 2013-11-25 | 2014-04-16 | 重庆梅安森科技股份有限公司 | Turbo type mining wet dust collector |
| CN205055741U (en) * | 2015-11-03 | 2016-03-02 | 华北理工大学 | Explosion -proof dust collector of mining water jet |
| JP2018131974A (en) * | 2017-02-15 | 2018-08-23 | ファナック株式会社 | Fan unit, method of manufacturing the same, and motor drive device |
| CN207701400U (en) * | 2017-12-22 | 2018-08-07 | 江苏全风环保科技有限公司 | Explosion-proof type Middle pressure draught fan |
| CN209324696U (en) * | 2018-11-24 | 2019-08-30 | 宁波易泰电器制造有限公司 | Circulation fan |
| CN112780587A (en) * | 2019-11-08 | 2021-05-11 | 青岛海尔智能技术研发有限公司 | Gas booster and gas equipment |
| CN112360769A (en) * | 2020-12-01 | 2021-02-12 | 娄加建 | Special gas compressing device for gas power generation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113669270A (en) | 2021-11-19 |
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