CN113513799A - Ventilation device - Google Patents
Ventilation device Download PDFInfo
- Publication number
- CN113513799A CN113513799A CN202110836078.7A CN202110836078A CN113513799A CN 113513799 A CN113513799 A CN 113513799A CN 202110836078 A CN202110836078 A CN 202110836078A CN 113513799 A CN113513799 A CN 113513799A
- Authority
- CN
- China
- Prior art keywords
- fan
- recovery tank
- evaporator
- water
- plate
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000011084 recovery Methods 0.000 claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000001704 evaporation Methods 0.000 claims description 48
- 230000008020 evaporation Effects 0.000 claims description 38
- 239000012528 membrane Substances 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003517 fume 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
- 244000052769 pathogen Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
Abstract
The invention discloses a ventilation device which comprises a fan, a water spraying pipe, a water collecting hopper and a recovery tank, wherein the water spraying pipe is arranged on the air inlet side of the fan and comprises a pipe body and a plurality of nozzles arranged on the pipe body, the nozzles face the fan, the water collecting hopper is arranged below the fan, and the recovery tank is detachably connected with the bottom of the water collecting hopper. According to the ventilation device, the fan is flushed by the spray pipe, dirty water generated by flushing the fan is collected through the water collecting hopper arranged below the fan and is finally recovered by the recovery tank, and the problems that the fan efficiency is reduced, the energy consumption is increased and air pollution is easily caused due to dust adsorption on the fan are solved. Retrieve jar and water collecting bucket and can dismantle and be connected, can dismantle it after being filled with when retrieving the jar and wash, then adorn back again, simple structure is reliable and convenient to use.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a ventilation device.
Background
After a fan in the ventilation device runs for a long time, more dust can be adsorbed on fan blades of the fan, so that the efficiency of the fan is reduced, the energy consumption is increased, the noise is increased, and the stable running of the fan is influenced. More dust still provides a good living environment for the microorganism, and when the fan started, because the fan can take place vibrations, dust and microorganism that remain on the fan can be rolled up by the air current to the form of aerosol is carried by the air current, causes air pollution.
Disclosure of Invention
The invention aims to provide a ventilation device, wherein a fan can be effectively cleaned, dust accumulation on the fan is reduced, and the operation efficiency of the fan and the cleanliness level of airflow are improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a ventilation unit, includes fan, spray pipe, water-collecting bucket and retrieves jar, the spray pipe sets up the air inlet side of fan, the spray pipe includes the pipe body and sets up a plurality of nozzles on the pipe body, the nozzle orientation the fan, the water-collecting bucket sets up the below of fan, retrieve the jar with the bottom of water-collecting bucket can be dismantled and be connected.
As a preferable scheme of the present invention, the ventilation device further includes a dryer and an evaporator, the top of the evaporator is connected to the bottom of the water collecting hopper, both ends of the evaporator are opened, the dryer is connected to one end of the evaporator, and the recovery tank is connected to the other end of the evaporator.
As a preferred scheme of the present invention, the evaporator includes a bottom plate, two side plates, a fixing rod and a plurality of evaporation plates, the two side plates are oppositely disposed on the bottom plate, the evaporation plates are disposed between the two side plates, one end of the fixing rod is connected to one side plate, the other end of the fixing rod is connected to the other side plate, and the fixing rod penetrates through the evaporation plates.
In a preferred embodiment of the present invention, the evaporation plate is made of a water-absorbing material.
As a preferable scheme of the invention, the ventilation device further comprises a grate, the grate is arranged at the top of the evaporator, a plurality of water leakage holes are formed in the grate, the water leakage holes correspond to the evaporation plates one by one, and the evaporation plates are positioned right below the water leakage holes.
In a preferred embodiment of the present invention, the evaporation plate is in a zigzag shape or a wavy shape.
As a preferable scheme of the present invention, the evaporation plate is in a flat plate shape, and an angle is formed between a direction of an air flow generated by the dryer and the evaporation plate.
In a preferred embodiment of the present invention, the end of the recovery tank remote from the evaporator is provided with a semi-permeable membrane, which allows gas to pass through.
As a preferable scheme of the invention, the surface of the recovery tank is provided with an observation window;
or a sensor is arranged in the recovery tank and used for monitoring whether the dust in the recovery tank is full or not.
As a preferable aspect of the present invention, the ventilation device further includes a filter, and the filter is disposed on an air outlet side of the fan.
The invention has the beneficial effects that:
according to the ventilation device, the fan is flushed by the spray pipe, dirty water generated by flushing the fan is collected through the water collecting hopper arranged below the fan and is finally recovered by the recovery tank, and the problems that the fan efficiency is reduced, the energy consumption is increased and air pollution is easily caused due to dust adsorption on the fan are solved. Retrieve jar and water collecting bucket and can dismantle and be connected, can dismantle it after being filled with when retrieving the jar and wash, then adorn back again, simple structure is reliable and convenient to use.
Drawings
FIG. 1 is a schematic structural view of a ventilation device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a ventilation apparatus according to another embodiment of the present invention;
FIG. 3 is a cross-sectional view of the water collection hopper, evaporator and grate in accordance with one embodiment of the present invention;
FIG. 4 is a top view of the grate of FIG. 3;
FIG. 5 is a schematic front view of an evaporator according to another embodiment of the present invention;
fig. 6 is a schematic top view of an evaporator according to still another embodiment of the present invention.
In the figure:
1. a fan; 2. a water spray pipe; 21. a tube body; 22. a nozzle; 3. a water collecting hopper; 4. a recovery tank; 5. a filter; 6. a dryer; 7. an evaporator; 71. a base plate; 72. a side plate; 73. fixing the rod; 74. an evaporation plate; 8. a grate; 81. and (4) water leakage holes.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the word "over" a first feature or feature in a second feature may include the word "over" or "over" the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under" a second feature may include a first feature that is directly under and obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
As shown in fig. 1, the ventilation device of an embodiment includes a fan 1, a spray pipe 2, a water collection tank 3 and a recovery tank 4, the spray pipe 2 is disposed on an air inlet side of the fan 1, the spray pipe 2 includes a pipe body 21 and a plurality of nozzles 22 disposed on the pipe body 21, the nozzles 22 face the fan 1, the water collection tank 3 is disposed below the fan 1, and the recovery tank 4 is detachably connected to a bottom of the water collection tank 3.
The ventilation unit of this embodiment utilizes spray pipe 2 to wash fan 1, and the dirty water that washing fan 1 produced is collected through setting up water collecting bucket 3 in fan 1 below to finally retrieve by retrieving jar 4, solved the efficiency reduction, the energy consumption increase that adsorb the dust and lead to on the fan 1, cause air pollution's problem easily. Retrieve jar 4 and water collecting bucket 3 and can dismantle and be connected, can dismantle it after being filled up and wash it when retrieving jar 4, then adorn back again, simple structure is reliable and convenient to use.
When the fan 1 is washed, the power supply is cut off to stop the fan 1, and the blades of the fan 1 are washed by using higher water pressure to realize better cleaning effect with less water. The ventilation device of the embodiment can be used in an air conditioning system and can provide cleaner air.
Further, the air outlet side of the fan 1 is provided with a filter 5, and the filter 5 can adopt an active carbon or HEPA filter screen. The activated carbon can adsorb dust, pathogens and harmful gases in the air by utilizing the porosity of the activated carbon. The HEPA filter screen can remove more than 99.7% of particles with the diameter of more than 0.3 micron, and is the most effective filtering medium for pollutants such as smoke, dust, bacteria and the like, so that the ventilation device can also be used in exhaust systems of laboratories, factories and other occasions, and the laboratories and the factories can possibly generate some harmful gases which need to be sucked by devices such as a fume cupboard and the like and then discharged into the atmosphere after being processed.
In another embodiment, as shown in fig. 2, the ventilating device further includes a dryer 6 and an evaporator 7, the top of the evaporator 7 is connected to the bottom of the water collecting hopper 3, both ends of the evaporator 7 are opened, the dryer 6 is connected to one end of the evaporator 7, and the recovery tank 4 is connected to the other end of the evaporator 7. Dryer 6 and evaporimeter 7's effect is to make moisture evaporation, and after dirty water flowed into in evaporimeter 7, hot-blast messenger most moisture that dryer 6 blew out can evaporate in evaporimeter 7, prevents that moisture from gathering in recovery tank 4, makes recovery tank 4 mainly retrieve the dust, needs longer time can make recovery tank 4 filled up, avoids clearing up recovery tank 4 comparatively frequently.
As shown in fig. 3, the evaporator 7 further includes a bottom plate 71, two side plates 72, a fixing rod 73 and a plurality of evaporation plates 74, wherein the two side plates 72 are oppositely disposed on the bottom plate 71, the evaporation plates 74 are disposed between the two side plates 72, one end of the fixing rod 73 is connected to one side plate 72, the other end of the fixing rod 73 is connected to the other side plate 72, and the fixing rod 73 penetrates through the evaporation plates 74. The evaporating plate 74 is fixed between the two side plates 72 by fixing rods 73, and in this embodiment, two fixing rods 73 are provided to provide the evaporating plate 74 with high stability. The evaporation plate 74 has a large surface area, and when hot air blown from the dryer 6 is blown over the surface of the evaporation plate 74, moisture on the surface of the evaporation plate 74 can be rapidly evaporated, a part of dust having lost moisture falls onto the bottom plate 71 and is then blown into the recovery tank 4 by the dryer 6, and another part of dust attached to the surface of the evaporation plate 74 is also blown into the recovery tank 4 by the impact of the hot air.
As shown in fig. 2, in order to prevent the dust blown into the recovery tank 4 from being blown out of the recovery tank 4 due to the influence of the airflow, the recovery tank 4 is preferably designed to be narrow-mouthed, and the whole of the recovery tank 4 is L-shaped, so that the dust can be collected at the bottom of the recovery tank 4, and the dust at the bottom of the recovery tank 4 is not blown up again after the hot air blown from the dryer 6 enters the recovery tank 4.
In addition, in order to further prevent the dust in the recovery tank 4 from returning to the evaporator 7, a one-way valve (not shown) may be provided at the inlet of the recovery tank 4, and when a reverse airflow occurs, the one-way valve is closed, so that the dust cannot be reversely conveyed.
The end of the recovery tank 4 far away from the evaporator 7 can be provided with a semipermeable membrane (not shown in the figure), which allows air to pass through but can block dust, and water vapor and air blown into the recovery tank 4 can pass through the semipermeable membrane to escape from the recovery tank 4, so that hot air with high humidity can be smoothly discharged from the recovery tank 4, and the smooth flow of hot air is realized. A sponge pad or the like having a filtering function may be provided on the recovery tank 4 in place of the semipermeable membrane.
In order to check how much dust is accumulated in the recovery tank 4, an observation window may be provided on the surface of the recovery tank 4, and whether the recovery tank 4 needs to be disassembled and cleaned can be directly determined through the observation window.
Can also set up the sensor in retrieving jar 4, when the accumulational height of dust surpassed the position that sets up of sensor, the sensor can send corresponding signal to whether the inside dust of remote monitoring retrieves jar 4 fills up, need not the manual work and go to retrieving jar 4 and look over on the spot.
Furthermore, the evaporation plate 74 is made of water-absorbing material, so that it can absorb more water, and avoid that dirty water is directly dropped on the bottom plate 71 and is difficult to evaporate when the water amount is large. The evaporation plate 74 may have a porous mesh structure, and may absorb a large amount of water through the gaps.
As shown in fig. 3 and 4, the ventilation device further comprises a grate 8, the grate 8 is arranged at the top of the evaporator 7, a plurality of water leakage holes 81 are formed in the grate 8, the water leakage holes 81 correspond to the evaporation plates 74 one by one, and the evaporation plates 74 are located right below the water leakage holes 81. In order to maximize the effect of the evaporation plate 74, all the water flowing into the evaporator 7 from the water collecting bucket 3 needs to fall on the evaporation plate 74, so the water leakage holes 81 need to be opened in a one-to-one correspondence manner according to the position of the evaporation plate 74, and the size of the water leakage holes 81 also needs to be opened according to the shape and size of the evaporation plate 74, so as to prevent the water from directly dropping on the bottom plate 71 or the fixing rod 73.
As shown in fig. 5, in a specific embodiment, the evaporation plate 74 has a zigzag shape, and the evaporation plate 74 has a larger volume and a larger surface area than the flat evaporation plate 74, can adsorb more moisture, has a larger contact area with the hot air, and has a zigzag surface that can make the hot air form a vortex inside the evaporator 7, thereby improving the evaporation efficiency of the moisture. The evaporation plate 74 may also be made in a wave shape, and has similar advantages to the evaporation plate 74 in a zigzag shape.
In another embodiment, shown in fig. 6, the evaporating plate 74 is flat and the direction of the airflow generated by the dryer 6 is at an angle to the evaporating plate 74. By setting the evaporation plate 74 in such a posture, hot air generated by the dryer 6 can be directly blown to a large-area surface of the evaporation plate 74, thereby accelerating the speed of evaporation of moisture.
Reference throughout this specification to the description of the terms "preferred," "further," or the like, as used in describing preferred embodiments of the present invention, means that a particular feature, structure, material, or characteristic described in connection with the example or illustration is included in at least one example or illustration of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are only intended to illustrate the details of the invention, which is not limited to the above details, i.e. it is not intended that the invention must be implemented in such detail. It should be understood by those skilled in the art that any modification of the present invention, equivalent substitutions of the raw materials of the product of the present invention, addition of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (10)
1. A ventilation device is characterized by comprising a fan, a water spray pipe, a water collecting hopper and a recovery tank, wherein the water spray pipe is arranged on the air inlet side of the fan and comprises a pipe body and a plurality of nozzles arranged on the pipe body, the nozzles face the fan, the water collecting hopper is arranged below the fan, and the recovery tank is detachably connected with the bottom of the water collecting hopper.
2. The ventilation device according to claim 1, further comprising a dryer and an evaporator, wherein the top of the evaporator is connected to the bottom of the water collecting hopper, both ends of the evaporator are open, the dryer is connected to one end of the evaporator, and the recovery tank is connected to the other end of the evaporator.
3. The ventilation apparatus as claimed in claim 2, wherein the evaporator comprises a bottom plate, two side plates, a fixing rod and a plurality of evaporation plates, the two side plates are oppositely disposed on the bottom plate, the evaporation plates are disposed between the two side plates, one end of the fixing rod is connected to one side plate, the other end of the fixing rod is connected to the other side plate, and the fixing rod penetrates through the evaporation plates.
4. A ventilating device according to claim 3, wherein the evaporating plate is made of a water-absorbing material.
5. A ventilating device according to claim 3, further comprising a grate, wherein the grate is arranged at the top of the evaporator, a plurality of water leakage holes are formed in the grate, the water leakage holes correspond to the evaporating plates one by one, and the evaporating plates are located right below the water leakage holes.
6. A ventilating device according to claim 5, wherein the evaporating plate is of a dog-leg or wave shape.
7. A ventilating device according to claim 3, wherein the evaporating plate is flat and the direction of the air flow generated by the dryer is at an angle to the evaporating plate.
8. A ventilating device according to claim 2, wherein the end of the recovery tank remote from the evaporator is provided with a semi-permeable membrane allowing gas to pass through.
9. A ventilating device according to claim 1, wherein the surface of the recovery tank is provided with a viewing window;
or a sensor is arranged in the recovery tank and used for monitoring whether the dust in the recovery tank is full or not.
10. A ventilating device according to any of claims 1-9, further comprising a filter arranged on the air outlet side of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110836078.7A CN113513799A (en) | 2021-07-23 | 2021-07-23 | Ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110836078.7A CN113513799A (en) | 2021-07-23 | 2021-07-23 | Ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113513799A true CN113513799A (en) | 2021-10-19 |
Family
ID=78067556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110836078.7A Pending CN113513799A (en) | 2021-07-23 | 2021-07-23 | Ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113513799A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350065A (en) * | 2011-07-06 | 2012-02-15 | 邓亚东 | Evaporator with utilizing pipe bundle drier exhaust |
| CN207470456U (en) * | 2017-08-21 | 2018-06-08 | 永定区集广农业机械设计部 | A kind of mine special gas filter-type ventilation blower |
| CN108201703A (en) * | 2017-12-18 | 2018-06-26 | 美清科技（北京）有限公司 | Liquid vaporising unit and liquid evaporation technique |
| CN208182652U (en) * | 2018-03-21 | 2018-12-04 | 国家能源投资集团有限责任公司 | A kind of Waste water concentrating system that hot-air Natural Circulation water is in line |
| CN208394816U (en) * | 2018-05-23 | 2019-01-18 | 姜林 | A kind of flash evaporation plate-type falling film evaporator |
| CN109847510A (en) * | 2019-01-22 | 2019-06-07 | 四川贝特风机有限公司 | A kind of soot emissions blower fan apparatus |
| CN110510688A (en) * | 2019-09-17 | 2019-11-29 | 徐建军 | A kind of air drying sewage-treatment plant |
-
2021
- 2021-07-23 CN CN202110836078.7A patent/CN113513799A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350065A (en) * | 2011-07-06 | 2012-02-15 | 邓亚东 | Evaporator with utilizing pipe bundle drier exhaust |
| CN207470456U (en) * | 2017-08-21 | 2018-06-08 | 永定区集广农业机械设计部 | A kind of mine special gas filter-type ventilation blower |
| CN108201703A (en) * | 2017-12-18 | 2018-06-26 | 美清科技（北京）有限公司 | Liquid vaporising unit and liquid evaporation technique |
| CN208182652U (en) * | 2018-03-21 | 2018-12-04 | 国家能源投资集团有限责任公司 | A kind of Waste water concentrating system that hot-air Natural Circulation water is in line |
| CN208394816U (en) * | 2018-05-23 | 2019-01-18 | 姜林 | A kind of flash evaporation plate-type falling film evaporator |
| CN109847510A (en) * | 2019-01-22 | 2019-06-07 | 四川贝特风机有限公司 | A kind of soot emissions blower fan apparatus |
| CN110510688A (en) * | 2019-09-17 | 2019-11-29 | 徐建军 | A kind of air drying sewage-treatment plant |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211019 |
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| RJ01 | Rejection of invention patent application after publication |