CN203724973U - Face curtain type dust removal workshop - Google Patents
Face curtain type dust removal workshop Download PDFInfo
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- CN203724973U CN203724973U CN201420102743.5U CN201420102743U CN203724973U CN 203724973 U CN203724973 U CN 203724973U CN 201420102743 U CN201420102743 U CN 201420102743U CN 203724973 U CN203724973 U CN 203724973U
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Abstract
The utility model relates to a face curtain type dust removal workshop which comprises a workshop, an air outlet and an air inlet, wherein an electrostatic precipitator is arranged at the air inlet, a sedimentation tank is arranged on the right side in the workshop, a water pump is arranged on one side of the sedimentation tank, a water spray pipe is arranged right above the sedimentation tank, and rotating mechanisms are arranged in the middle in the workshop; each rotating mechanism comprises an upper rotating shaft, a lower rotating shaft, an annular water curtain and a water tank, the upper rotating shaft and the lower rotating shaft are connected between two inner walls of the workshop and support the annular water curtain, a motor is arranged on one end surface of the upper rotating shaft, and rolling brushes are arranged on two sides of the lower rotating shaft; a negative oxygen-ion generating device is arranged on the inner wall of the workshop on the left side of one rotating mechanism; and an exhaust fan is arranged at the air outlet. The dust removal workshop is simple in structure, convenient to maintain, disassemble and assemble, short in disassembly and assembly time, low in cost and suitable for various industrial production, the filter efficiency can reach higher than 99%, and benefits are brought for development of enterprises while the environment is protected.
Description
Technical field
The utility model belongs to a kind of large-scale equipment that purifies air, and relates in particular to a kind of good purification, low being applicable between industrial type curtain formula dedusting car of cost.
Background technology
At present, China's some areas air pollution is serious, causing air-polluting primary factor is exactly the dusty gas that factory gives off, in order to improve air quality, in industrial production, be all provided with large-scale purification machine at present, for example, use comparatively general wet scrubber, be commonly called as " water deduster ", it is the device with the dust in the separation of water level medium and traps air, there is following defect in traditional wet scrubber: first, the mud of discharging from wet scrubber will be processed, otherwise can cause secondary not disturb, second, applicability is narrower, be not suitable for hydrophobicity flue dust, viscosity flue dust can make line clogging, the 3rd, water consumption is large, waste more water resource, the 4th, filter efficiency is lower, it is only 85% left and right, the 5th, equipment inner structure complexity, for example install centrifugal high pressure fan additional, make on the one hand high cost, if break down after the long-term use of machine on the other hand, it is very inconvenient to keep in repair, in addition, also there is on the market the similar cleaning equipment of some and the utility model structure, the deficiency of this cleaning equipment is, if the dusty gas of discharging in industrial production is water insoluble or dusty gas is acidic and alkaline gas, clean-up effect is just not obvious.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art and a kind of good purification and low being applicable between industrial type curtain formula dedusting car of cost that provide.
The utility model is achieved in that between a kind of face type curtain formula dedusting car, comprise workshop main body and the air outlet and the air inlet that are arranged on the left and right sides, workshop, it is characterized in that: be provided with an electrostatic precipitator at the air inlet place of inside, workshop, right side in workshop is provided with a sedimentation basin, sedimentation basin is positioned at bottom, workshop, sedimentation basin one side is provided with water pump, directly over sedimentation basin, be provided with sparge pipe, sparge pipe is arranged on top, workshop, medium position in workshop is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft, lower rotary shaft, annular cascade and tank, upper rotating shaft and lower rotary shaft are connected between two inwalls of workshop, and prop up annular cascade, on one end end face of upper rotating shaft, be provided with motor, in the tank of described lower rotary shaft in bottom, the both sides of lower rotary shaft are provided with two rolling hairbrush, rolling hairbrush and lower rotary shaft are circumscribed, on the workshop inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device, in workshop, air outlet place is provided with air exhauster.
Described rotating mechanism and the quantity of electrostatic precipitator can be multiple.
Described workshop outer setting has water purifying machine structure, and water purifying machine structure one end is connected with tank by pipeline, and the other end is connected with sparge pipe by pipeline, on the pipeline between water purifying machine structure and sparge pipe, is provided with water pump.
Described sedimentation basin is connected with sparge pipe by pipeline.
Both sides and the top of described rotating mechanism are provided with deep bead.
The pipeline that described each and sparge pipe is connected does not all communicate.
Described air inlet place is also provided with temperature inductor and blast inductor.
Described water purifying machine structure can be single water purifier, also can be multistage water treatment structure.
Electrostatic precipitation is the one of dedusting method, dusty gas is separated by electricity during through high-voltage electrostatic field, grit is combined and is brought after negative electricity with anion, trend anode surface discharges and deposits, in the industry such as metallurgical, chemical in order to Purge gas or reclaim useful grit, thereby utilize electrostatic field to make gas ionization make dust particles be adsorbed onto the collecting method on electrode.
Negative oxygen ion generating device be a kind of utilize the anion that self produces to air purify, the environment optimization device of dedusting, taste removal, sterilizing, its Core Feature is generating negative ion, utilizes the dedusting depositing dust that anion itself has, the characteristic of sterilizing removing toxic substances to be optimized gas.
The utility model technology compared with prior art; the utility model is simple in structure; maintenance easy accessibility, and disassembly and assembly time is short, and cost is low; filter efficiency significantly improves; can reach more than 99%, and be applicable in multiple industrial production, water-fast dusty gas also can be purified; when protection of the environment, also the development to enterprise brings income, is a quantum jump in large scale industry cleaning equipment field.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Embodiment 1: as shown in Figure 1, between a kind of face type curtain formula dedusting car, comprise workshop 1 main body and the air outlet 9 and the air inlet 10 that are arranged on 1 left and right sides, workshop, air inlet 10 places in 1 inside, workshop are provided with an electrostatic precipitator 17, right side in workshop 1 is provided with a sedimentation basin 11, sedimentation basin 11 is positioned at 1 bottom, workshop, sedimentation basin 11 1 sides are provided with water pump 12, directly over sedimentation basin 11, be provided with sparge pipe 8, sparge pipe 8 is arranged on 1 top, workshop, medium position in workshop 1 is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft 2, lower rotary shaft 3, annular cascade 15 and tank 7, upper rotating shaft 2 and lower rotary shaft 3 are connected between the inwall of 1 liang, workshop, and prop up annular cascade 15, on one end end face of upper rotating shaft 2, be provided with motor 6, in the tank 7 of described lower rotary shaft 3 in bottom, the both sides of lower rotary shaft 3 are provided with two rolling hairbrush 4, rolling hairbrush 4 is circumscribed with lower rotary shaft 3, on workshop 1 inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device 16, interior air outlet 9 places, workshop 1 are provided with air exhauster 18.
The quantity of described rotating mechanism and electrostatic precipitator 17 can be multiple.
Described workshop 1 outer setting has water purifying machine structure 13, and water purifying machine structure 13 one end are connected with tank 7 by pipeline 14, and the other end is connected with sparge pipe 8 by pipeline 14, and on the pipeline between water purifying machine structure 13 and sparge pipe 8,14 are provided with water pump 12.
Described sedimentation basin 11 is connected with sparge pipe 8 by pipeline 14.
The both sides of described rotating mechanism and top are provided with deep bead 5.
Described air inlet 10 places are also provided with temperature inductor 19 and blast inductor 20.
Described water purifying machine structure 13 can be single water purifier, also can be multistage water treatment structure.
Before use, chimney in air inlet and factory or other sewage draining exits are tightly connected, the gas polluting enters inside, workshop from air inlet, blast inductor and temperature inductor send signal, each structure is started working, dusty gas first passes through electrostatic precipitator, electrostatic precipitator can filter out the grit in air-flow, if gas is that (High Temperature Gas cognition dries up annular cascade to high-temperature gas, affect clean-up effect), sparge pipe water spray is lowered the temperature to dusty gas, and preliminary purification, if gas is cryogenic gas, can in water, reduce freezing point by salting, prevent from freezing, what sparge pipe sprayed drops down onto sedimentation basin under water, after precipitation water treatment, by water pump, water is squeezed into sparge pipe again, in the time of air-flow process rotating mechanism, motor provides power for upper rotating shaft, and drive lower rotary shaft to rotate, after airborne dirt contacts with annular cascade, be bonded on annular cascade and with annular cascade and move, part dirt is washed away in tank, another part is scrolled hairbrush and brushes away, when air-flow process negative oxygen ion generating device, the water-fast contamination gas cognition containing in air-flow is purged by negative oxygen ion generating device, purify after a period of time, sewage in tank flows into the water purifying machine structure of outside, workshop, after purified treatment, squeeze into sparge pipe by water pump again, when air-flow is during through second electrostatic precipitator, electrostatic precipitator can filter out remaining grit in air-flow again, gas after final purification is discharged from air outlet, multiple rotating mechanisms and electrostatic precipitator are set and can improve clean-up effect, deep bead can make dusty gas pass through rotating mechanism completely, do not leak out, improve clean-up effect, air exhauster can increase air-flow blast, prevent that dusty gas from pouring in down a chimney from chimney or other sewage draining exits.
Embodiment 2: as shown in Figure 1, between a kind of face type curtain formula dedusting car, comprise workshop 1 main body and the air outlet 9 and the air inlet 10 that are arranged on 1 left and right sides, workshop, air inlet 10 places in 1 inside, workshop are provided with an electrostatic precipitator 17, right side in workshop 1 is provided with a sedimentation basin 11, sedimentation basin 11 is positioned at 1 bottom, workshop, sedimentation basin 11 1 sides are provided with water pump 12, directly over sedimentation basin 11, be provided with sparge pipe 8, sparge pipe 8 is arranged on 1 top, workshop, medium position in workshop 1 is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft 2, lower rotary shaft 3, annular cascade 15 and tank 7, upper rotating shaft 2 and lower rotary shaft 3 are connected between the inwall of 1 liang, workshop, and prop up annular cascade 15, on one end end face of upper rotating shaft 2, be provided with motor 6, in the tank 7 of described lower rotary shaft 3 in bottom, the both sides of lower rotary shaft 3 are provided with two rolling hairbrush 4, rolling hairbrush 4 is circumscribed with lower rotary shaft 3, on workshop 1 inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device 16, interior air outlet 9 places, workshop 1 are provided with air exhauster 18.
The quantity of described rotating mechanism and electrostatic precipitator 17 can be multiple.
Described workshop 1 outer setting has water purifying machine structure 13, and water purifying machine structure 13 one end are connected with tank 7 by pipeline 14, and the other end is connected with sparge pipe 8 by pipeline 14, and on the pipeline between water purifying machine structure 13 and sparge pipe 8,14 are provided with water pump 12.
Described sedimentation basin 11 is connected with sparge pipe 8 by pipeline 14.
The both sides of described rotating mechanism and top are provided with deep bead 5.
The pipeline that described each and sparge pipe 8 is connected does not all communicate.
For special gas, for example sour gas, tank Nei Kesheng enters different liquid, now, rotating mechanism can be set to multiple, quantity is at least two, in first tank passing through to air-flow, contain into akaline liquid, in last tank that air-flow passes through, contain into clear water, due to negative oxygen ion generating device meeting generating portion ozone, the left side of last rotating mechanism that in this embodiment, air-flow passes through does not arrange negative oxygen ion generating device, its principle is that dusty gas is while contacting with annular cascade, composition in gas is neutralized by the liquid in tank, add the tank of clear water can make to be covered with clear water on annular cascade, the part ozone that some remaining volatile sour gas and negative oxygen ion generating device are produced is water-soluble, avoid volatilization to cause secondary pollution.
Embodiment 3: as shown in Figure 1, between a kind of face type curtain formula dedusting car, comprise workshop 1 main body and the air outlet 9 and the air inlet 10 that are arranged on 1 left and right sides, workshop, air inlet 10 places in 1 inside, workshop are provided with an electrostatic precipitator 17, right side in workshop 1 is provided with a sedimentation basin 11, sedimentation basin 11 is positioned at 1 bottom, workshop, sedimentation basin 11 1 sides are provided with water pump 12, directly over sedimentation basin 11, be provided with sparge pipe 8, sparge pipe 8 is arranged on 1 top, workshop, medium position in workshop 1 is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft 2, lower rotary shaft 3, annular cascade 15 and tank 7, upper rotating shaft 2 and lower rotary shaft 3 are connected between the inwall of 1 liang, workshop, and prop up annular cascade 15, on one end end face of upper rotating shaft 2, be provided with motor 6, in the tank 7 of described lower rotary shaft 3 in bottom, the both sides of lower rotary shaft 3 are provided with two rolling hairbrush 4, rolling hairbrush 4 is circumscribed with lower rotary shaft 3, on workshop 1 inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device 16, interior air outlet 9 places, workshop 1 are provided with air exhauster 18.
The quantity of described rotating mechanism and electrostatic precipitator 17 can be multiple.
Described workshop 1 outer setting has water purifying machine structure 13, and water purifying machine structure 13 one end are connected with tank 7 by pipeline 14, and the other end is connected with sparge pipe 8 by pipeline 14, and on the pipeline between water purifying machine structure 13 and sparge pipe 8,14 are provided with water pump 12.
Described sedimentation basin 11 is connected with sparge pipe 8 by pipeline 14.
The both sides of described rotating mechanism and top are provided with deep bead 5.
The pipeline that described each and sparge pipe 8 is connected does not all communicate.
For special gas, for example alkaline gas, tank Nei Kesheng enters different liquid, now, rotating mechanism can be set to multiple, quantity is at least two, in first tank passing through to air-flow, contain into acidic liquid, in last tank that air-flow passes through, contain into clear water, due to negative oxygen ion generating device meeting generating portion ozone, the left side of last rotating mechanism that in this embodiment, air-flow passes through does not arrange negative oxygen ion generating device, its principle is that dusty gas is while contacting with annular cascade, composition in gas is neutralized by the liquid in tank, add the tank of clear water can make to be covered with clear water on annular cascade, the part ozone that some remaining volatile alkaline gas and negative oxygen ion generating device are produced is water-soluble, avoid volatilization to cause secondary pollution.
Embodiment 4: between a kind of face type curtain formula dedusting car, comprise workshop 1 main body and the air outlet 9 and the air inlet 10 that are arranged on 1 left and right sides, workshop, air inlet 10 places in 1 inside, workshop are provided with an electrostatic precipitator 17, right side in workshop 1 is provided with a sedimentation basin 11, sedimentation basin 11 is positioned at 1 bottom, workshop, sedimentation basin 11 1 sides are provided with water pump 12, directly over sedimentation basin 11, be provided with sparge pipe 8, sparge pipe 8 is arranged on 1 top, workshop, medium position in workshop 1 is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft 2, lower rotary shaft 3, annular cascade 15 and tank 7, upper rotating shaft 2 and lower rotary shaft 3 are connected between the inwall of 1 liang, workshop, and prop up annular cascade 15, on one end end face of upper rotating shaft 2, be provided with motor 6, in the tank 7 of described lower rotary shaft 3 in bottom, the both sides of lower rotary shaft 3 are provided with two rolling hairbrush 4, rolling hairbrush 4 is circumscribed with lower rotary shaft 3, on workshop 1 inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device 16, interior air outlet 9 places, workshop 1 are provided with air exhauster 18.
The quantity of described rotating mechanism and electrostatic precipitator 17 can be multiple.
Described workshop 1 outer setting has water purifying machine structure 13, and water purifying machine structure 13 one end are connected with tank 7 by pipeline 14, and the other end is connected with sparge pipe 8 by pipeline 14, and on the pipeline between water purifying machine structure 13 and sparge pipe 8,14 are provided with water pump 12.
Described sedimentation basin 11 is connected with sparge pipe 8 by pipeline 14.
The both sides of described rotating mechanism and top are provided with deep bead 5.
The pipeline that described each and sparge pipe 8 is connected does not all communicate.
For special gas, for example dusty gas is acid and alkaline mist, tank Nei Kesheng enters different liquid, now, rotating mechanism can be set to multiple, quantity is at least three, in first tank passing through to air-flow, contain into acidic liquid or akaline liquid, air-flow by second tank, contain with first tank in liquid of different nature, in last tank that air-flow passes through, contain into clear water, due to negative oxygen ion generating device meeting generating portion ozone, the left side of last rotating mechanism that in this embodiment, air-flow passes through does not arrange negative oxygen ion generating device, its principle is when to be dusty gas contact with the first two annular cascade, composition in gas is neutralized by the liquid in tank, add the tank of clear water can make to be covered with clear water on annular cascade, the part ozone that some remaining volatile dusty gas and negative oxygen ion generating device are produced is water-soluble, avoid volatilization to cause secondary pollution, each pipeline connecting from sparge pipe does not all communicate and can contact with each other generation neutralization reaction by the different liquid of the interior soda acid of anti-water stopping trough.
Embodiment 5: as shown in Figure 1, between a kind of face type curtain formula dedusting car, comprise workshop 1 main body and the air outlet 9 and the air inlet 10 that are arranged on 1 left and right sides, workshop, air inlet 10 places in 1 inside, workshop are provided with an electrostatic precipitator 17, right side in workshop 1 is provided with a sedimentation basin 11, sedimentation basin 11 is positioned at 1 bottom, workshop, sedimentation basin 11 1 sides are provided with water pump 12, directly over sedimentation basin 11, be provided with sparge pipe 8, sparge pipe 8 is arranged on 1 top, workshop, medium position in workshop 1 is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft 2, lower rotary shaft 3, annular cascade 15 and tank 7, upper rotating shaft 2 and lower rotary shaft 3 are connected between the inwall of 1 liang, workshop, and prop up annular cascade 15, on one end end face of upper rotating shaft 2, be provided with motor 6, in the tank 7 of described lower rotary shaft 3 in bottom, the both sides of lower rotary shaft 3 are provided with two rolling hairbrush 4, rolling hairbrush 4 is circumscribed with lower rotary shaft 3, on workshop 1 inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device 16, interior air outlet 9 places, workshop 1 are provided with air exhauster 18.
The quantity of described rotating mechanism and electrostatic precipitator 17 can be multiple.
Described workshop 1 outer setting has water purifying machine structure 13, and water purifying machine structure 13 one end are connected with tank 7 by pipeline 14, and the other end is connected with sparge pipe 8 by pipeline 14, and on the pipeline between water purifying machine structure 13 and sparge pipe 8,14 are provided with water pump 12.
Described sedimentation basin 11 is connected with sparge pipe 8 by pipeline 14.
The both sides of described rotating mechanism and top are provided with deep bead 5.
Described air inlet 10 places are also provided with temperature inductor and blast inductor.
Described water purifying machine structure 13 can be single water purifier, also can be multistage water treatment structure.
When the utility model miniaturization, also can be installed on resident's roof chimney place, by fume purifying processing, because resident's cooking time is uncontrollable, temperature inductor and blast inductor just can start sensing after blast and temperature, very convenient.
The utility model technology compared with prior art; the utility model is simple in structure; maintenance easy accessibility, and disassembly and assembly time is short, and cost is low; filter efficiency significantly improves; can reach more than 99%, and be applicable in multiple industrial production, water-fast dusty gas also can be purified; when protection of the environment, also the development to enterprise brings income, is a quantum jump in large scale industry cleaning equipment field.
Claims (8)
1. between a face type curtain formula dedusting car, comprise workshop main body and the air outlet and the air inlet that are arranged on the left and right sides, workshop, it is characterized in that: be provided with an electrostatic precipitator at the air inlet place of inside, workshop, right side in workshop is provided with a sedimentation basin, sedimentation basin is positioned at bottom, workshop, sedimentation basin one side is provided with water pump, directly over sedimentation basin, be provided with sparge pipe, sparge pipe is arranged on top, workshop, medium position in workshop is provided with rotating mechanism, rotating mechanism comprises: upper rotating shaft, lower rotary shaft, annular cascade and tank, upper rotating shaft and lower rotary shaft are connected between two inwalls of workshop, and prop up annular cascade, on one end end face of upper rotating shaft, be provided with motor, in the tank of described lower rotary shaft in bottom, the both sides of lower rotary shaft are provided with two rolling hairbrush, rolling hairbrush and lower rotary shaft are circumscribed, on the workshop inwall in the left side of rotating mechanism, be provided with negative oxygen ion generating device, in workshop, air outlet place is provided with air exhauster.
2. between according to claim 1 type curtain formula dedusting car, it is characterized in that: described rotating mechanism and the quantity of electrostatic precipitator can be multiple.
3. between according to claim 1 type curtain formula dedusting car, it is characterized in that: described workshop outer setting has water purifying machine structure, water purifying machine structure one end is connected with tank by pipeline, the other end is connected with sparge pipe by pipeline, on the pipeline between water purifying machine structure and sparge pipe, is provided with water pump.
4. between according to claim 1 type curtain formula dedusting car, it is characterized in that: described sedimentation basin is connected with sparge pipe by pipeline.
5. between according to claim 1 type curtain formula dedusting car, it is characterized in that: both sides and the top of described rotating mechanism are provided with deep bead.
6. between according to claim 1 type curtain formula dedusting car, it is characterized in that: the pipeline that described each and sparge pipe is connected does not all communicate.
7. between according to claim 1 type curtain formula dedusting car, it is characterized in that: described air inlet place is provided with temperature inductor and blast inductor.
8. between according to claim 3 type curtain formula dedusting car, it is characterized in that: described water purifying machine structure can be single water purifier, also can be multistage water treatment structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102743.5U CN203724973U (en) | 2014-03-08 | 2014-03-08 | Face curtain type dust removal workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102743.5U CN203724973U (en) | 2014-03-08 | 2014-03-08 | Face curtain type dust removal workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203724973U true CN203724973U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420102743.5U Expired - Fee Related CN203724973U (en) | 2014-03-08 | 2014-03-08 | Face curtain type dust removal workshop |
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| CN (1) | CN203724973U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208971A (en) * | 2014-08-15 | 2014-12-17 | 成都宏源铸造材料有限公司 | Dust-absorbing equipment applied to workshop air circulation system |
| CN105032080A (en) * | 2015-07-29 | 2015-11-11 | 柳州市旭平首饰有限公司 | Cooling and dust removing system for factory |
| CN106761895A (en) * | 2016-11-28 | 2017-05-31 | 攀枝花煤业（集团）有限责任公司 | Mining air purifying device |
| CN107441864A (en) * | 2017-08-29 | 2017-12-08 | 苏方宁 | The industrial plant heating of environmental protection and energy saving and the device of purification air |
| CN111185065A (en) * | 2020-01-16 | 2020-05-22 | 江苏万和涂装机械有限公司 | Coating paint mist purification treatment mechanism |
| CN111558275A (en) * | 2020-05-29 | 2020-08-21 | 杭州光旭绿色能源科技有限公司 | Compound exhaust-gas treatment equipment |
-
2014
- 2014-03-08 CN CN201420102743.5U patent/CN203724973U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208971A (en) * | 2014-08-15 | 2014-12-17 | 成都宏源铸造材料有限公司 | Dust-absorbing equipment applied to workshop air circulation system |
| CN105032080A (en) * | 2015-07-29 | 2015-11-11 | 柳州市旭平首饰有限公司 | Cooling and dust removing system for factory |
| CN106761895A (en) * | 2016-11-28 | 2017-05-31 | 攀枝花煤业（集团）有限责任公司 | Mining air purifying device |
| CN107441864A (en) * | 2017-08-29 | 2017-12-08 | 苏方宁 | The industrial plant heating of environmental protection and energy saving and the device of purification air |
| CN111185065A (en) * | 2020-01-16 | 2020-05-22 | 江苏万和涂装机械有限公司 | Coating paint mist purification treatment mechanism |
| CN111558275A (en) * | 2020-05-29 | 2020-08-21 | 杭州光旭绿色能源科技有限公司 | Compound exhaust-gas treatment equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20160308 |