CN213803002U - High-efficient aquatic carbon dioxide blows and takes off device - Google Patents
High-efficient aquatic carbon dioxide blows and takes off device Download PDFInfo
- Publication number
- CN213803002U CN213803002U CN202022768016.0U CN202022768016U CN213803002U CN 213803002 U CN213803002 U CN 213803002U CN 202022768016 U CN202022768016 U CN 202022768016U CN 213803002 U CN213803002 U CN 213803002U
- Authority
- CN
- China
- Prior art keywords
- water
- carbon dioxide
- tower body
- filler
- tower
- 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.)
- Active
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a high-efficient aquatic carbon dioxide blows and takes off device, comprising a tower body, the top of the tower of tower body is provided with the water inlet, is provided with the outlet at the bottom of the tower, from the top down is provided with water diversion plate and multilayer filler layer frame in the tower body, the outlet is located lower floor filler layer frame below, every layer be provided with the filler on the filler layer frame, it is gapped between the filler layer frame of upper and lower floor, the water that is rich in carbon dioxide flows to the filler after water diversion plate water distribution evenly, the position that wherein one side of tower body corresponds filler layer frame is provided with the cushion chamber that admits air, the tower body left side is provided with intake pipe and this cushion chamber UNICOM that admits air, one side relative with the cushion chamber that admits air on the tower body is provided with the gas vent, and the gas stream is discharged from the gas vent after passing the clearance between every two-layer filler. The utility model discloses equipment structure is simple, low in manufacturing cost, and carbon dioxide blows and takes off efficiently, can realize the low energy consumption operation.
Description
Technical Field
The utility model relates to a high-efficient aquatic carbon dioxide blows and takes off device belongs to fish-vegetable intergrowth system and breeds the circulating water treatment field.
Background
CO in the culture circulating water in the high-density circulating water culture system2The concentration is very high and needs to be removed from the system in time by adopting a device.
The existing carbon dioxide removing device is a vertical cylinder and mainly comprises a cylinder body, a water outlet, an air inlet, a liquid distributor, a filler supporting plate, a filler and the like. The liquid distributor had an open porosity of 15.6%, a packing height of 1m, and a packing type of 25X 25 pall rings in diameter, made of polypropylene plastic. The packing material is placed in the tower or laid on the supporting plate near the bottom of the tower, the gas is fed from the bottom of the tower by the fan, the liquid is sprinkled on the surface of the packing layer by the distributor at the top of the tower, the liquid is dispersed into a thin film on the surface of the packing material, and the thin film can also be dropped into liquid drops when flowing down through the gaps between the packing materials, and the surface of the packing layer becomes a mass transfer surface with gas-liquid two-phase contact. CO 22The solubility in water is in accordance with Henry's law, i.e. at a certain temperature the solubility of a gas in water is proportional to the partial pressure of the gas above the liquid surface, so long as the CO in the gas is above the surface2Has a small partial pressure of CO in water2It escapes from the water in a process known as desorption. CO in air2Is very small, with a partial pressure of about 0.03% of atmospheric pressure. Therefore, air is commonly used as CO2Medium of the removal device, which is fed to CO via a blower2Removing the bottom of the apparatus, in the fillingAfter the surface has been in full contact with water, together with the escaping CO2Together removed from the top of the column and containing CO2The water enters from the upper part of the tower body and is sprayed down by the liquid distributor, and CO escapes from the surface of the filler by fully contacting with air2Then flows out from a water outlet at the lower part, thereby realizing CO2And (4) removing.
In such a device, when the gas passes through the packing from top to bottom, the gas resistance is large, resulting in low stripping efficiency, and the gas and the liquid are in countercurrent contact, and above the gas and the liquid, the desorbed carbon dioxide carried away by the air may be absorbed again by the liquid, resulting in low stripping efficiency.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a high-efficient aquatic carbon dioxide blows and takes off device improves carbon dioxide and blows and takes off efficiency.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a high-efficient aquatic carbon dioxide blows and takes off device, includes the tower body, the top of the tower of tower body is provided with the water inlet, is provided with the outlet at the bottom of the tower, its characterized in that: the tower is characterized in that a water distribution plate and a plurality of layers of packing layer frames are arranged in the tower body from top to bottom, a water outlet is located below the lowest layer of packing layer frame, every layer of packing layer frame is provided with packing, a gap is reserved between the upper layer of packing layer frame and the lower layer of packing layer frame, water rich in carbon dioxide flows onto the packing after water is uniformly distributed by the water distribution plate, an air inlet buffer cavity is arranged at the position, corresponding to the packing layer frame, of the left side of the tower body, an air inlet pipe is arranged on the left side of the tower body and communicated with the air inlet buffer cavity, an air outlet is formed in the right side of the tower body and the air inlet buffer cavity, and air flow is discharged from the air outlet after passing through the gap between every two layers of packing.
Preferably: the filler is rattan cotton. The surface area of the rattan is larger. The water content is finer, and the surface area of the water film is large.
By adopting the scheme, the rattan cotton is made of polyester resin plastics, and the filaments are irregularly arranged. The culture circulating water rich in carbon dioxide is uniformly distributed on the rattan cotton through the water distribution plate from top to bottom, then is sprinkled on the rattan cotton, forms a film on the surface of the rattan cotton, flows down through gaps among the rattan cotton filaments, air enters from the side surface of the tower body, passes through gaps between every two layers of the rattan cotton, is fully contacted with water, and then is discharged from the other side of the tower body together with escaped carbon dioxide, and the culture circulating water rich in carbon dioxide is changed into barren solution after releasing carbon dioxide and then is discharged from the water outlet. The utility model discloses the air current need not pass the filler from the process between the two-layer filler, and the resistance is little like this, and air velocity is faster, blows and takes off efficiency height. Meanwhile, the air inlet and water inlet mode is adopted, so that the carbon dioxide is prevented from returning to the pregnant solution above.
In the scheme, the method comprises the following steps: the water distribution plate comprises 3-5 layers of pore plates from top to bottom, a gap is reserved between every two layers of pore plates, a plurality of water leakage holes are uniformly distributed on each layer of pore plate, and the hole diameter of the water leakage hole on each layer of pore plate from top to bottom is gradually reduced. By adopting the water diversion plate, the water is thinner, and compared with a spray header, no power is needed.
In the scheme, the method comprises the following steps: a water diversion groove is arranged above the water diversion plate and used for distributing water which is rich in carbon dioxide and enters from the water inlet to the water diversion plate, a water drainage hole is arranged in the center of the bottom of the water diversion groove, and the aperture of the water drainage hole is larger than the aperture of the water inlet at the top of the tower.
In the scheme, the method comprises the following steps: the middle part in the air inlet buffer cavity is provided with a vertical partition plate, the center of the vertical partition plate is provided with a flow guide hole, and one side of the flow guide hole close to the filler is provided with a flow guide plate aiming at the gap between every two layers of filler. Facilitating the flow of gas.
In the scheme, the method comprises the following steps: the left side in the tower body is provided with an exhaust buffer cavity communicated with the exhaust port, and the exhaust port is provided with a shutter.
In the scheme, the method comprises the following steps: the bottom of the tower body is designed to be conical, the water outlet is positioned in the center of the bottom of the tower, and the bottom of the tower body is provided with a support bracket. Is beneficial to water discharge.
In the scheme, the method comprises the following steps: the outside of the tower body is coated with a heat-insulating layer.
In the scheme, the method comprises the following steps: the filler layer frame is 6-10 layers. The desorption effect is better.
The utility model discloses following beneficial effect has: the utility model discloses equipment structure is simple, low in manufacturing cost, and carbon dioxide blows and takes off efficiently, and the clearance is 93 ~ 97%, can realize the low energy consumption operation.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a plan view.
FIG. 3 is a cross-sectional view A-AA.
Fig. 4 is a schematic view of the structure of the water diversion plate.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
the upper, lower, left, right and other orientation words of the utility model only represent the relative position in the drawing, and do not represent the absolute position of the product.
In embodiment 1, as shown in fig. 1 to 4, the high-efficiency carbon dioxide stripping device in water comprises a tower body 1, a water inlet 2, a water outlet 3, a water diversion groove 4, a water diversion plate 5, a filler shelf 6, a filler 7, an air inlet buffer cavity 8, an air inlet pipe 9, a guide plate 10, an exhaust buffer cavity 11, a shutter 12, a support bracket 13 and an insulating layer 14.
The tower top of the tower body 1 is provided with a water inlet 2, the tower bottom is provided with a water outlet 3, preferably, the bottom of the tower body 1 is designed to be conical, the water outlet 3 is positioned in the center of the tower bottom, and the bottom of the tower body 1 is provided with a support bracket 13. The tower body 1 is coated with an insulating layer 14. A water diversion tank 4, a water diversion plate 5 and a multilayer filler layer frame 6 are arranged in the tower body 1 from top to bottom.
The water diversion tank 4 is used for distributing water which is rich in carbon dioxide and enters from the water inlet 2 to the water diversion plate 5, a water drainage hole is arranged in the center of the bottom of the water diversion tank 4, and the aperture of the water drainage hole is larger than the aperture of the water inlet 2 at the top of the tower.
The water distribution plate 5 comprises 3-5 layers of pore plates 501 from top to bottom, a gap is arranged between every two layers of pore plates, a plurality of water leakage holes 502 are uniformly distributed on each layer of pore plate 501, and the aperture of the water leakage holes 502 on each layer of pore plate 501 from top to bottom is gradually reduced.
The filler 7 is arranged on each layer of filler layer frame 6, preferably the filler 7 is made of rattan cotton, a gap is arranged between the filler layers 6 of the upper layer and the lower layer, and water rich in carbon dioxide flows onto the filler 7 after being uniformly distributed by the water distribution plate 5. Preferably, the filler layer shelf 6 has 6 to 10 layers.
The left side of the tower body 1 is provided with an air inlet buffer chamber 8 corresponding to the position of the filler layer frame 6, the left side of the tower body 1 is provided with an air inlet pipe 9 communicated with the air inlet buffer chamber 8, the middle part in the air inlet buffer chamber 8 is provided with a vertical partition plate, the center of the vertical partition plate is provided with a flow guide hole, and one side of the flow guide hole close to the filler 7 is provided with a flow guide plate 10 aiming at the gap between every two layers of the filler 7.
An air outlet is arranged on one side (right side) of the tower body 1 opposite to the air inlet buffer cavity 8, a shutter 12 is arranged on the air outlet, and an air outlet buffer cavity 11 communicated with the air outlet is preferably arranged on the right side of the tower body 1. The air flow passes through the gap between every two layers of the packing 7, enters the exhaust buffer cavity 11 and is exhausted from the exhaust port.
The breeding circulating water rich in carbon dioxide is uniformly distributed by the water distribution tank 4 and the water distribution plate 5 from top to bottom and then sprinkled on the filler 7, a film is formed on the surface of the filler 7, the breeding circulating water flows down through gaps among the filaments of the filler 7 (rattan cotton), air enters from the side surface of the tower body 1, the air and the water are fully contacted and then discharged from the air outlet 12 at the other side of the tower body 1 together with escaped carbon dioxide through a gap between every two layers of the filler 7, and the breeding circulating water rich in carbon dioxide is changed into barren liquor after releasing the carbon dioxide and then discharged from the water outlet 3.
The utility model discloses utilize Henry's law promptly under certain temperature, the solubility of gas in aqueous is directly proportional with the partial pressure of this gas on the liquid level, consequently as long as in the gas CO on the surface of water2Has a small partial pressure of CO in water2It escapes from the water in a process known as desorption. The principle of air stripping is that the gas-liquid phase equilibrium and the medium transfer Henry's law are applied, the partial pressure of soluble gas is reduced under the condition of large amount of aeration, and CO dissolved in water body2Through the interface, the gas is transferred to the air to achieve the removal of CO2The purpose of (1).
According to the gas exchange principle, CO of the aquaculture water body is designed2Removing device by adopting design of experiment (DOE) method for CO2The removal effect was investigated. The results of the three-factor two-level orthogonal experiments show that: G/L (gas-liquid flow ratio) to CO2The most significant effect of removal rate, hydraulic load HLR, influent CO2Concentration, and interaction between factors on CO2The removal rate was not significantly affected. Thus, in CO2During the actual operation of the removal device, the G/L should be adjusted to increase CO2And (4) removing rate. G/L Change to CO2The test results of the removal rate influence show that: when G/L is 1-5, CO increases with the increase of G/L2The removal rate is increased faster; when G/L>At 8, the removal rate increased gradually with increasing G/L. Comprehensive consideration of system energy saving and CO2The removal effect of (2) is best when the G/L is 5-8, and the removal rate is 93-97%. The existing vertical cylindrical carbon dioxide removing device (mainly comprising a cylinder body, a water outlet, an air inlet, a liquid distributor, a filler supporting plate, a filler and the like, wherein the aperture ratio of the liquid distributor is 15.6%, the height of the filler is 1m, the type of the filler is 25 multiplied by 25 pall rings in diameter and is made of polypropylene plastics), and the removing efficiency is only 80-92%.
The present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a high-efficient aquatic carbon dioxide blows and takes off device, includes the tower body, the top of the tower of tower body is provided with the water inlet, is provided with the outlet at the bottom of the tower, its characterized in that: the tower is characterized in that a water distribution plate and a plurality of layers of packing layer frames are arranged in the tower body from top to bottom, a water outlet is located below the lowest layer of packing layer frame, every layer of packing layer frame is provided with packing, a gap is reserved between the upper layer of packing layer frame and the lower layer of packing layer frame, water rich in carbon dioxide flows onto the packing after water is uniformly distributed by the water distribution plate, an air inlet buffer cavity is arranged at the position, corresponding to the packing layer frame, of the left side of the tower body, an air inlet pipe is arranged on the left side of the tower body and communicated with the air inlet buffer cavity, an air outlet is formed in the right side of the tower body and the air inlet buffer cavity, and air flow is discharged from the air outlet after passing through the gap between every two layers of packing.
2. The high-efficiency carbon dioxide stripping device in water as claimed in claim 1, wherein: the filler is rattan cotton.
3. The high-efficiency carbon dioxide stripping device in water as claimed in claim 1, wherein: the water distribution plate comprises 3-5 layers of pore plates from top to bottom, a gap is reserved between every two layers of pore plates, a plurality of water leakage holes are uniformly distributed on each layer of pore plate, and the hole diameter of the water leakage hole on each layer of pore plate from top to bottom is gradually reduced.
4. The high-efficiency carbon dioxide stripping device in water as claimed in claim 1, 2 or 3, wherein: a water diversion groove is arranged above the water diversion plate and used for distributing water which is rich in carbon dioxide and enters from the water inlet to the water diversion plate, a water drainage hole is arranged in the center of the bottom of the water diversion groove, and the aperture of the water drainage hole is larger than the aperture of the water inlet at the top of the tower.
5. The high-efficiency carbon dioxide stripping device in water as claimed in claim 4, wherein: the middle part in the air inlet buffer cavity is provided with a vertical partition plate, the center of the vertical partition plate is provided with a flow guide hole, and one side of the flow guide hole close to the filler is provided with a flow guide plate aiming at the gap between every two layers of filler.
6. The high-efficiency carbon dioxide stripping device in water as claimed in claim 5, wherein: the left side in the tower body is provided with an exhaust buffer cavity communicated with the exhaust port, and the exhaust port is provided with a shutter.
7. The high-efficiency carbon dioxide stripping device in water as claimed in claim 6, wherein: the bottom of the tower body is designed to be conical, the water outlet is positioned in the center of the bottom of the tower, and the bottom of the tower body is provided with a support bracket.
8. The high-efficiency carbon dioxide stripping device in water as claimed in claim 7, wherein: the outside of the tower body is coated with a heat-insulating layer.
9. The high-efficiency carbon dioxide stripping device in water as claimed in claim 8, wherein: the filler layer frame is 6-10 layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768016.0U CN213803002U (en) | 2020-11-25 | 2020-11-25 | High-efficient aquatic carbon dioxide blows and takes off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768016.0U CN213803002U (en) | 2020-11-25 | 2020-11-25 | High-efficient aquatic carbon dioxide blows and takes off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213803002U true CN213803002U (en) | 2021-07-27 |
Family
ID=76939097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022768016.0U Active CN213803002U (en) | 2020-11-25 | 2020-11-25 | High-efficient aquatic carbon dioxide blows and takes off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213803002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607811A (en) * | 2020-11-25 | 2021-04-06 | 重庆市农业科学院 | Efficient device and method for blowing off carbon dioxide in water |
-
2020
- 2020-11-25 CN CN202022768016.0U patent/CN213803002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607811A (en) * | 2020-11-25 | 2021-04-06 | 重庆市农业科学院 | Efficient device and method for blowing off carbon dioxide in water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112607811B (en) | Efficient device and method for blowing off carbon dioxide in water | |
| CN213803002U (en) | High-efficient aquatic carbon dioxide blows and takes off device | |
| JP4511938B2 (en) | Biological filter device provided with a plurality of filter units | |
| CN101218886A (en) | Culture solution circulating device for soilless culture | |
| CN109704428A (en) | Deaerate oxygen increasing equipment | |
| CN204824783U (en) | Natural gas deacidification purifier | |
| CN201062240Y (en) | Formaldehyde absorption main tower | |
| CN201914970U (en) | Sewage treatment aeration row device | |
| CN206635102U (en) | The ventilation oxygen system and filter bed system of filter bed | |
| CN100569725C (en) | Formaldehyde absorbing method and system | |
| CN201033767Y (en) | Formaldehyde absorption auxiliary tower | |
| CN213295060U (en) | Power plant carries out deoxidization equipment for water treatment | |
| CN207435164U (en) | Deaerate oxygen increasing equipment | |
| CN202778291U (en) | Saturation device for humidity generators | |
| CN113426252A (en) | Washing, absorbing and purifying system | |
| CN107596870B (en) | Seawater flue gas desulfurization absorption tower | |
| CN101721910A (en) | Cross-flow biotrickling filter device for treating gaseous pollutant | |
| CN206511989U (en) | A kind of novel combination type Anaerobic Treatment device | |
| CN219885733U (en) | Carbon dioxide removing device | |
| CN220684726U (en) | Reoxygenation system for percolator | |
| CN218202365U (en) | Comprehensive printing and dyeing wastewater deep aeration treatment device | |
| CN216549713U (en) | Water distributor for resolving deaerator | |
| CN220098619U (en) | High-salt wastewater concentration device | |
| CN220478519U (en) | Tower type hydration method gas separation device | |
| CN207581616U (en) | Aeration board and combined type aeration platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |