CN202725010U - Device for removing trace acidic gas in indoor air - Google Patents
Device for removing trace acidic gas in indoor air Download PDFInfo
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- CN202725010U CN202725010U CN 201220420298 CN201220420298U CN202725010U CN 202725010 U CN202725010 U CN 202725010U CN 201220420298 CN201220420298 CN 201220420298 CN 201220420298 U CN201220420298 U CN 201220420298U CN 202725010 U CN202725010 U CN 202725010U
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Abstract
The utility model discloses a device for removing trace acidic gas in indoor air. The device provided by the utility model comprises a spray bed reaction system, an air power system and an absorption liquid circulation system, wherein the three systems are integrally connected. The spray bed reaction system comprises a bed barrel; the air power system comprises a fan, an air inlet tube and an air outlet; and the absorption liquid circulation system comprises a liquid sprayer, an absorption liquid circulation tube, an absorption liquid storage tank and a submersed pump. After the fan and the submersed pump of the device are started, air passes through the barrel cavity of the bed barrel from top to bottom, at that moment, the air is contacted with an absorption liquid which is sprayed from top to bottom, so as to be absorbed and purified. The device for removing trace acidic gas in indoor air disclosed by the utility model is compact in structure, small in size, low in noise, easy to install, low in energy consumption and outstanding in purification effect.
Description
Technical field
The utility model belongs to the air cleaning unit field, is specifically related to a kind of device that removes trace acidic gas in the room air.
Background technology
Most people 80% time is spent indoor, and the degree of room air pollution is than outdoor large 5～10 times, and indoor main acid contaminant is SO
2And NO
2, the SO in the room air
2Be mainly derived from the imperfect combustion of coal and tobacco, the massive epidemiology investigation shows the indoor SO in coal-fired family
2Concentration is apparently higher than the combustion gas family, and the kitchen is higher than the bedroom, is higher than summer winter, and the north is higher than south.SO
2Conjunctiva and upper respiratory tract mucosa are had strong pungent excitant, work as SO
2Concentration is at 0.9mg/m
3In time, just can be arrived by most people sense of smell, and being absorbed by the body mainly has damage to respiratory apparatus afterwards, can cause the symptoms such as pharyngitis, tracheitis, bronchitis, pneumonia, and severe patient can cause pulmonary edema and respiratory paralysis; Work as SO
2When concentration reached 10～15ppm, the ciliary movement of respiratory tract and the secreting function of mucous membrane all were suppressed; Work as SO
2When concentration reached 20ppm, spread effect strengthened, and can cause that cough, eyes feel bad; Work as SO
2When concentration reaches 25ppm, endotracheal ciliary movement will have 65～70% to be subject to obstacle.In addition, SO
2Enter human body with inhalable particles, its harm is larger, SO
2Can enter lung, make toxicity increase by 3～4 times, according to the grade of the indoor sulfur dioxide of national regulation, when the concentration of sulfur dioxide is 0.02ppm, reach the main air quality standard, when the concentration of sulfur dioxide is 0.1ppm, reach three grades of quality requirements, need to purify.NO
2Be another the harmful acid contaminant in the room air, a large amount of experiments show, NO
2The valve concentration that human body is produced damaging effect is 151～302ppb.Pollute for the nitrogen dioxide in the room air, national Specification in the room air maximum permissible concentration of nitrogen dioxide be 117ppb(1 hourly average value).Thereby, to NO excessive in the room air
2Administer, have great importance for improving the room air pollution situation.Therefore purify air, creates a health, clean living space has become people under the prerequisite of socio-economic development, environmental consciousness is strengthened, to the inevitable outcome of the requirement lifting of quality of life.
The patent that the absorption process of being correlated with at present purifies the air of a room is many, and Chinese invention patent " air purifier for environment protection " (application number 99240594.7, publication number CN2418941) is mainly used in the places such as street, highway, and noise is large, energy consumption is large.Chinese invention patent " spraying type air purifier " (application number 00231326.X, publication number CN2413780) characteristics are that water smoke is difficult to form, and a small amount of water smoke of formation is taken out of and purify not thorough easily by gas.In addition, in the process of spraying air purifying, the trend of air and the degree of dispersing do not obtain paying attention to, only be directly air to be passed in the container to the trend of air generally, directly discharge behind the contact treatment fluid, this causes air not disperse uniformly coming air is fully contacted with treatment fluid, so that treatment effect is undesirable, efficient is not high; The way that also has is exactly to allow air pass through to discharge from many apertures of pipeline behind the pipeline of more complicated, this causes the complex structure of device own, be difficult for making and operation, and, the speed that air is discharged from the hole is difficult for grasping, and Bas Discharged is too fast, and air does not have time enough to contact with treatment fluid, air exhausting is appeared slowly, causes speed excessively slow.
The utility model content
For the shortcoming and deficiency that overcome prior art, primary and foremost purpose of the present utility model is to provide a kind of device that removes trace acidic gas in the room air.
The purpose of this utility model is achieved through the following technical solutions:
A kind of device that removes trace acidic gas in the room air, comprise trickle bed reaction system, aerodynamic system and the absorption liquid circulatory system, wherein, the aerodynamic system integrative installation technology is on the trickle bed reaction system, and the trickle bed reaction system is connected with the absorption liquid circulatory system;
Described trickle bed reaction system comprises the bed cylindrical shell of hollow cylinder, is provided with the disk of a center drilling in the bed cylindrical shell cylinder chamber, and disk and cylinder form cavity at the end;
Described aerodynamic system comprises fan, air inlet pipe and gas outlet; Fan is installed in stack shell one side of a cylindrical shell, on the shell of the bed cylindrical shell that links to each other with fan opening is arranged, gas can directly enter, one end opening of air inlet pipe docks with place, the air port of fan, other end opening enters into described bed cylindrical shell cavity, and the gas outlet is the opening that is arranged on the described bed cylindrical shell cylinder top;
The described absorption liquid circulatory system comprises liquid spray thrower, absorption liquid circulation pipe, absorption liquid storage tank, be used for absorption liquid is pumped into the immersed pump of absorption liquid circulation pipe and is used for absorption liquid is flowed into from the bed cylindrical shell absorption liquid outlet of absorption liquid storage tank from the absorption liquid storage tank; Wherein, liquid spray thrower is connected in center, described bed inner barrel cylinder top; The absorption liquid storage tank is tightly connected by tank body top and described bed cylinder body bottom, and the absorption liquid outlet runs through the connecting portion of absorption liquid storage tank and bed cylindrical shell; Liquid spray thrower, absorption liquid circulation pipe are connected with immersed pump and are connected, and immersed pump is positioned at the bottom of absorption liquid storage tank;
Described aerodynamic system also comprises screen pack; Described screen pack is fixed in the front of the air inlet of fan;
Start fan, air is successively by entering air inlet pipe behind filter screen and the fan, air leads to other end opening by air inlet pipe one end opening under wind-force orders about, and enter into disk and form cavity at the end, the speed after gas enters that is arranged so that of cavity obtains certain buffering, when air when then the central opening from the disk enters a tin chamber, air can be with the most even airflow pattern of dispersing from bottom to top by a cylinder chamber; Start immersed pump, immersed pump is delivered to the absorption liquid in the absorption liquid storage tank in the liquid spray thrower by the absorption liquid circulation pipe, and absorption liquid sprays from bed cylindrical shell cylinder chamber from top to bottom by the shower nozzle of liquid spray thrower; Wherein, the air that passes through from bottom to top contacts with the absorption liquid that sprays from top to bottom, absorption liquid absorbs airborne sour gas, air after the processing is discharged from the gas outlet that the cylinder of being located at a cylindrical shell pushes up, absorption liquid is then fallen the cylinder end of a cylindrical shell, and flow back in the absorption liquid storage tank by absorption liquid outlet, absorption liquid comes back to the liquid spray thrower ejection by the absorption liquid circulation pipe under the continuous action of immersed pump, and absorption liquid obtains efficient circulation and uses;
In order better to realize the utility model, the utility model also comprises following optimal technical scheme:
Described bed cylindrical shell is the stainless steel casting;
The cylinder top of described bed cylindrical shell and the cylinder end, be flange plate and connect enclosuring structure;
The cylinder top of described bed cylindrical shell is provided with an absorption liquid that can add absorption liquid and replenishes mouth;
The diameter of the central opening of described disk is 80～100mm, the reason that opening is larger is ensure gas-liquid contact unobstructed, when air entered a tin chamber from this opening, the mode that will disperse from center to periphery was upward through a chamber, and air can better be contacted with absorption liquid;
Described disk is 50mm with the height at the cylinder end;
Described air inlet pipe diameter is 80～100mm, because the air inlet pipe setting is thicker, the aerodynamic system energy consumption is little, and noise is little;
Described gas outlet is 4 holes of pushing up that is evenly distributed on described bed cylindrical shell;
The shower nozzle of described liquid spray thrower is 3～5mm and the rounded shower nozzle cross section that is evenly arranged in for each injection diameter, the shower nozzle centre does not have perforate, because spray orifice is very little, water column under liquid drenches is fine and closely woven evenly, guarantee the sour gas in the complete absorbing air of absorption liquid, reach efficient purification function; In addition, because liquid is under directly drenching by spray thrower, to be not traditional water smoke attitude, water column also was difficult for being taken out of by gas when purge amount was large, so that Purge gas is more thorough;
The maximum cross-section internal diameter of the shower nozzle of described liquid spray thrower is 5/6 of bed cylinder internal diameter size;
Described absorption liquid storage tank is the drum of stainless steel casting;
The cross-sectional diameter of described absorption liquid storage tank is greater than described bed cylindrical shell cross-sectional diameter, preferably, 3/5 of the cross-sectional diameter that described bed cylindrical shell cross-sectional diameter is described absorption liquid storage tank, when described bed cylindrical shell was placed on the described absorption liquid storage tank, whole device was placed and can be kept stable;
The abhiseca of described absorption liquid storage tank is that flange plate connects enclosuring structure;
The bottom of described absorption liquid storage tank is provided with the absorption liquid outlet that absorption liquid is discharged;
Be provided with the liquid level gauge of judging absorption liquid reserves in the tank in the described absorption liquid storage tank;
Described absorption liquid tank bottom is provided with the outlet of immersible pump electric wire, by this outlet immersed pump is connected with power supply;
Described absorption liquid outlet is the hole of the shapes such as circle or rectangle, the circular hole that it is 50mm that described absorption liquid outlet is preferably 4 diameters, so not only can reduce the directly lower generation of spray noise of absorption liquid, and absorption liquid when entering the absorption liquid storage tank, the bed cylindrical shell has avoided the air in the bed cylindrical shell to enter into the absorption liquid storage tank by the absorption liquid outlet;
The bite type seamless link is adopted on described liquid spray thrower and described bed inner barrel top;
Described being tightly connected as between two flange plates, placing pad and being bolted connection;
Described screen pack is activated charcoal strainer, this screen pack absorbing formaldehyde, greasy smell, lavatory peculiar smell, dust etc. guarantee to make the more thoroughly while of air cleaning also so that the contained impurity of the gas of access to plant can not have influence on the normal process of acidic gas in air.
The utility model compared with prior art has following outstanding advantage and beneficial effect:
(1) apparatus structure that removes trace acidic gas in the room air of the present utility model is compact, volume is little, noise is little, be easy to installations, energy consumption little (power of fan is about 30W, and the power of immersed pump is about 15W), safety and employing circulatory system handled easily.
(2) the utility model comes sour gas in the absorbing air by fountain, purifies more thorough; In addition, by the control to spray orifice size, flow etc. on the shower nozzle of liquid spray thrower, by a cylinder chamber, liquid is difficult for being taken out of by gas absorption liquid with fine and closely woven even water column shape, purifies large-mindedly, can reach 90m
3/ h, the gas that has occurred when having solved with atomized liquid form spray cleaning gas take atomized liquid out of and the halfway problem of air cleaning that causes.
When (3) air of the present utility model is by the cylinder chamber, at first obtaining the buffering stop at the bottom of the cylinder and in the cavity in the disk, and then the opening on being arranged on disc centre enters into a chamber, and after air enters a chamber by this way, can with to around the mode of evenly dispersing pass through; Because the same axle center of liquid spray thrower on the opening of disc centre and cylinder top, in liquid spray and lower time,, the air that has guaranteed to enter a chamber can be more comprehensively, contact with absorption liquid uniformly, makes air purification effect more outstanding.
(4) the utility model can effectively be removed formaldehyde, dust etc.
Description of drawings
Fig. 1 is the structural representation that removes the device of trace acidic gas in the room air.
Fig. 2 is the flange plate a on bed cylindrical shell cylinder top or the sectional view of flange plate b.
Fig. 3 is the distribution sectional view of each circular hole on the shower nozzle of liquid spray thrower.
Fig. 4 is the flange plate c of absorption liquid storage tank abhiseca or the sectional view of flange plate d.
In Fig. 1～2 or 4,1: liquid spray thrower; 2: absorption liquid replenishes mouth; 3: flange plate a; 4: bolt a; 5: pad a; 6: flange plate b; 7: gas moves towards a; 8: screen pack; 9: gas moves towards b; 10: fan; 11: gas moves towards c; 12: flange plate c; 13: bolt b; 14: flange plate d; 15: the absorption liquid outlet; 16: the absorption liquid storage tank; 17: the absorption liquid outlet; 18: immersed pump; 19: the absorption liquid circulation pipe; 21: liquid level gauge; 20: the outlet of immersible pump electric wire; 22: bolt c; 23: pad b; 24: air inlet pipe; 25: gas moves towards d; 26: the bed cylindrical shell; 27: gas moves towards e; 28: bolt d; 29: the gas outlet; 30: disk.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, a kind of device that removes trace acidic gas in the room air comprises trickle bed reaction system, aerodynamic system and the absorption liquid circulatory system.
The trickle bed reaction system comprises bed cylindrical shell (26), the flange plate a(3 that stainless steel is made), flange plate b(6) and flange plate c(12), bed cylindrical shell (26) is hollow cylinder, comprise a chamber, stack shell, the cylinder end and cylinder top, cylinder chamber internal diameter is 120mm, the stack shell height is 300mm, bed cylindrical shell (26) wall thickness 3mm, cylinder top opening end and flange b(6) the integrated connection, cylinder bottom opening end and flange plate c(12) the integrated connection; The cylinder chamber apart from cylinder at the bottom of height be that 50mm place is arranged at disk (30), disk and tin end flange plate c(12) between form cavity, the center circle place of disk (30) is provided with the circular hole of a 80mm diameter; As shown in Figure 2, flange plate b(6) the center circle place arranges an opening, and the hole that four symmetrical diameters are the 20mm size is set on the concentric circles, in addition, flange plate b(6) on absorption liquid that an internal diameter also is set is 20mm replenish mouthful (2); Flange plate c(12) is provided with opening.
Aerodynamic system comprises screen pack (8), fan (10), air inlet pipe (24), gas outlet (29); Screen pack can adopt have absorbing formaldehyde, the activated charcoal strainer of greasy smell, lavatory peculiar smell, dust effect, the power of fan is 15W.
The absorption liquid circulatory system comprises absorption liquid storage tank (16), absorption liquid circulation pipe (19), liquid spray thrower (1), the immersed pump (18) that stainless steel is made.The internal diameter of absorption liquid storage tank (16) is 200mm, highly is 200mm, and wall thickness is 3mm, 6L concentration is housed is the alkali lye of 0.03mol/L in the absorption liquid storage tank (16) as absorption liquid; Absorption liquid storage tank (16) abhiseca is by flange plate d(14) integrated connection sealing, flange plate d(14) is provided with four diameters on and is 50mm absorption liquid outlet (15) (as shown in Figure 4), be provided with the liquid level gauge (21) that can check the interior absorption liquid content of tank in absorption liquid storage tank (16) tank, the bottom is provided with the absorption liquid outlet (17) that can discard the absorption liquid discharge and the immersible pump electric wire outlet (20) that internal diameter is 10mm; Liquid spray thrower (1) comprises shower nozzle and inlet, wherein, shower nozzle as shown in Figure 3, this shower nozzle is 3mm and the rounded shower nozzle cross section that is evenly arranged in for each opening diameter, and sectional area is 0.0314m2, and the distance of center circle of adjacent circular holes is spaced apart 5mm in twos, the shower nozzle centre does not have perforate, the absorption liquid density that liquid spray thrower sprays out is large and evenly, the sour gas in the complete absorbing air of assurance absorption liquid reaches efficient purification function; The power of immersed pump (18) is 12W, and flow is 1600L/h, is installed on the tank inner bottom part of absorption liquid storage tank, is connected with power supply by water pump electric wire outlet (20); Liquid circulating pipe (19) is installed in the outside of reactor, can adopt flexible pipe to connect, and installation and removal are convenient, can not get rusty.
Trickle bed reaction system, aerodynamic system adopt integrated the connection with the absorption liquid circulatory system.Wherein, after described fan (10) is fixed on the stack shell of a cylindrical shell (26), again with on filter screen (8) covering and the fan (10), air inlet pipe (24) one ends are arranged on the air outlet place of fan (10), and other end opening passes a cylindrical shell (26) stack shell and enters into disk (30) and cylinder end flange plate C(12) between the cavity that forms; The flange plate b(6 that then push up for cylinder gas outlet (29)) described four symmetrical diameters are the hole of 20mm size.Bed cylindrical shell (26) is by the cylinder flange plate c(12 at the end) with the flange plate d(14 of absorption liquid storage tank (16) abhiseca) be connected, place pad b(23 between two flange plates), and by bolt b(13) and bolt c(22) fastening, flange plate c(12) opening and flange plate d(14) absorption liquid that arranges exports (15) and mates and be communicated with.Liquid spray thrower (1) is installed in the top in a cylindrical shell (26) cylinder chamber, shower nozzle downwards and the inlet and flange plate b(6 of liquid spray thrower (1)) seamless docking of center of circle opening ferrule type, flange plate a(3) with flange plate b(6) identical opening arranged, at flange plate a(3) and flange plate b(6) between shell tool a(5) and use bolt a(4) and bolt d(28) fastening, the feed tube of the liquid spray thrower after passing (1) is connected with absorption liquid circulation pipe (19) one ends, and absorption liquid circulation pipe (19) other end is connected with immersed pump (18).
The described device that removes trace acidic gas in the room air, after starting fan (10) and immersed pump (18), fan (10) produces gravitation makes air pass through filter screen (8), because screen pack (8) is the activated carbon material, energy absorbing formaldehyde, greasy smell, lavatory peculiar smell, dust etc. guarantee to make the more thoroughly while of air cleaning also so that the contained impurity of the gas of access to plant can not have influence on the normal process of acidic gas in air; Air after the filtration is moving towards c(11 according to diagram gas under the driving of wind-force) shown in entered into the cavity that forms at disk (30) and an end by nearly air port one end of air inlet pipe (24), the speed after gas enters that is arranged so that of cavity obtains certain buffering, when under wind drive, air then moves towards b(9 according to illustrated gas from lower to upper from the center of circle opening part of disk (30)), gas moves towards d(25) by the cylinder chamber, at last, move towards gas and move towards a(7 according to diagram gas) gas moves towards e(27) discharge from four gas outlets of cylinder top flange plate (b); When air moves towards b(9 according to illustrated gas from lower to upper), gas moves towards d(25) when passing through the cylinder chamber, immersed pump (18) provides power, absorption liquid in the absorption liquid storage tank (16) is transported to liquid spray thrower (1) by absorption liquid circulation pipe (19), liquid spray thrower (1) sprays absorption liquid, wherein, section radius size and air inflow size according to the bed cylindrical shell, shower nozzle section radius and the uninterrupted of corresponding adjustment liquid spray thrower, the absorption liquid that guarantees ejection can cover the air of rising and the sour gas in the abundant absorbing air comprehensively, in the basipetal process of absorption liquid can with from bottom to top contact with air, sour gas in the absorption liquid meeting absorbing air, air is purified, after at the bottom of absorption liquid is fallen tin, flow back in the absorption liquid storage tank (16) by the connection opening of flange plate at the bottom of the cylinder (c) with the flange plate (d) of absorption liquid storage tank (16) abhiseca, and under immersed pump (18) continuous action, realize recycling of absorption liquid, with ph detection paper absorption liquid, absorption liquid ph reaches at 6 o'clock absorption liquid is changed.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (10)
1. device that removes trace acidic gas in the room air, it is characterized in that: comprise trickle bed reaction system, aerodynamic system and the absorption liquid circulatory system, wherein, the aerodynamic system integrative installation technology is on the trickle bed reaction system, and the trickle bed reaction system is connected with the absorption liquid circulatory system;
Described trickle bed reaction system comprises the bed cylindrical shell of hollow cylinder, the disk that is provided with a center drilling in the bed cylindrical shell cylinder chamber, and disk and cylinder form cavity at the end;
Described aerodynamic system comprises fan, air inlet pipe and gas outlet; Fan is installed in stack shell one side of a cylindrical shell, and an end opening of air inlet pipe docks with place, the air port of fan, and other end opening enters into described bed cylindrical shell cavity, and the gas outlet is the opening that is arranged on the described bed cylindrical shell cylinder top;
The described absorption liquid circulatory system comprises liquid spray thrower, absorption liquid circulation pipe, absorption liquid storage tank, be used for absorption liquid is pumped into the immersed pump of absorption liquid circulation pipe and is used for absorption liquid is flowed into from the bed cylindrical shell absorption liquid outlet of absorption liquid storage tank from the absorption liquid storage tank; Wherein, liquid spray thrower is connected in center, described bed inner barrel cylinder top; The absorption liquid storage tank is tightly connected by tank body top and described bed cylinder body bottom, and the absorption liquid outlet runs through the connecting portion of absorption liquid storage tank and bed cylindrical shell; Liquid spray thrower, absorption liquid circulation pipe are connected with immersed pump and are connected, and immersed pump is positioned at the bottom of absorption liquid storage tank.
2. the device that removes trace acidic gas in the room air according to claim 1, it is characterized in that: described aerodynamic system also comprises screen pack, screen pack is fixed in the front of the air inlet of fan.
3. the device that removes trace acidic gas in the room air according to claim 2, it is characterized in that: described screen pack is activated charcoal strainer.
4. the device that removes trace acidic gas in the room air according to claim 1 is characterized in that: described bed cylindrical shell is the stainless steel casting;
The cylinder top of described bed cylindrical shell and the cylinder end, be flange plate and connect enclosuring structure;
The cylinder top of described bed cylindrical shell is provided with an absorption liquid that can add absorption liquid and replenishes mouth.
5. the device that removes trace acidic gas in the room air according to claim 1, it is characterized in that: the diameter of the central opening of described disk is 80～100mm;
Described disk is 50mm with the height at the cylinder end.
6. the device that removes trace acidic gas in the room air according to claim 1, it is characterized in that: described air inlet pipe diameter is 80～100mm;
Described gas outlet is 4 holes of pushing up that is evenly distributed on described bed cylindrical shell.
7. the device that removes trace acidic gas in the room air according to claim 1, it is characterized in that: the shower nozzle of described liquid spray thrower is 3～5mm and the rounded shower nozzle cross section that is evenly arranged in for each injection diameter, and the shower nozzle centre does not have perforate;
The maximum cross-section internal diameter of the shower nozzle of described liquid spray thrower is 5/6 of bed cylinder internal diameter size;
Described absorption liquid storage tank is the drum of stainless steel casting;
The cross-sectional diameter of described absorption liquid storage tank is greater than described bed cylindrical shell cross-sectional diameter;
The abhiseca of described absorption liquid storage tank is that flange plate connects enclosuring structure;
The bottom of described absorption liquid storage tank is provided with the absorption liquid outlet that absorption liquid is discharged;
Be provided with the liquid level gauge of judging absorption liquid reserves in the tank in the described absorption liquid storage tank;
Described absorption liquid tank bottom is provided with the outlet of immersible pump electric wire.
8. the device that removes trace acidic gas in the room air according to claim 7 is characterized in that: 3/5 of the cross-sectional diameter that described bed cylindrical shell cross-sectional diameter is described absorption liquid storage tank.
9. the device that removes trace acidic gas in the room air according to claim 1 is characterized in that: described absorption liquid outlet is the hole of circle or rectangular shape;
The bite type seamless link is adopted on described liquid spray thrower and described bed inner barrel top;
Described being tightly connected as between two flange plates, placing pad and being bolted connection.
10. the device that removes trace acidic gas in the room air according to claim 9 is characterized in that: described absorption liquid outlet is 4 circular holes that diameter is 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220420298 CN202725010U (en) | 2012-08-23 | 2012-08-23 | Device for removing trace acidic gas in indoor air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220420298 CN202725010U (en) | 2012-08-23 | 2012-08-23 | Device for removing trace acidic gas in indoor air |
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| Publication Number | Publication Date |
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| CN202725010U true CN202725010U (en) | 2013-02-13 |
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ID=47650763
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220420298 Withdrawn - After Issue CN202725010U (en) | 2012-08-23 | 2012-08-23 | Device for removing trace acidic gas in indoor air |
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| CN (1) | CN202725010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824834A (en) * | 2012-08-23 | 2012-12-19 | 华南理工大学 | Apparatus for removing trace acidic gas in indoor air, and method and application thereof |
| CN107185361A (en) * | 2017-06-16 | 2017-09-22 | 上海海事大学 | A kind of flue gas recycled for marine main engine purifies cooling system |
| CN113883062A (en) * | 2021-09-18 | 2022-01-04 | 中国船舶重工集团公司第七一一研究所 | Silencing absorber for screw compressor |
-
2012
- 2012-08-23 CN CN 201220420298 patent/CN202725010U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824834A (en) * | 2012-08-23 | 2012-12-19 | 华南理工大学 | Apparatus for removing trace acidic gas in indoor air, and method and application thereof |
| CN102824834B (en) * | 2012-08-23 | 2015-06-03 | 华南理工大学 | Apparatus for removing trace acidic gas in indoor air, and method and application thereof |
| CN107185361A (en) * | 2017-06-16 | 2017-09-22 | 上海海事大学 | A kind of flue gas recycled for marine main engine purifies cooling system |
| CN113883062A (en) * | 2021-09-18 | 2022-01-04 | 中国船舶重工集团公司第七一一研究所 | Silencing absorber for screw compressor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20150603 |
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| RGAV | Abandon patent right to avoid regrant |