CN212222471U - Degassing and oxygen increasing system for oxygen production by recycling tail gas - Google Patents
Degassing and oxygen increasing system for oxygen production by recycling tail gas Download PDFInfo
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- CN212222471U CN212222471U CN201922228998.1U CN201922228998U CN212222471U CN 212222471 U CN212222471 U CN 212222471U CN 201922228998 U CN201922228998 U CN 201922228998U CN 212222471 U CN212222471 U CN 212222471U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to a degassing and oxygen increasing system for oxygen generation by recovering tail gas, in the degassing and oxygen increasing system for oxygen generation by recovering tail gas, because an oxygen generator is connected with a degassing tower through an oxygen supply pipe and a circulating pipe, a multi-pore filler module is arranged in the degassing tower, water input into an upper containing cavity by a water inlet pipe is downwards diffused into the multi-pore filler module under the action of gravity, oxygen input into a lower containing cavity by the oxygen supply pipe is upwards diffused into the multi-pore filler module and is fully contacted with water, and water fully dissolved with oxygen in the water is output by a water outlet pipe for utilization; the non-oxygen gas in the water is replaced and enters the upper cavity together with the rest oxygen gas, and the oxygen gas is sucked into the oxygen generator through the circulating pipe for cyclic utilization so as to prepare the oxygen gas. Therefore, the utility model discloses a retrieve degasification oxygenation system of tail gas system oxygen can integrate the system oxygen and to the function of aquatic oxygenation, improve oxygen utilization efficiency.
Description
Technical Field
The utility model relates to a degassing and oxygen increasing system for recovering tail gas to generate oxygen, in particular to a degassing and oxygen increasing system for recovering tail gas to generate oxygen for aquaculture.
Background
The intensive aquaculture of aquatic products needs to depend on various equipment to control the water quality. In order to achieve the purpose of high-density culture, the carbon dioxide is removed from the culture water body and oxygen is dissolved into the culture water body continuously so as to meet the requirement of the fish on water quality.
At present, degassing tower equipment is mainly adopted for removing carbon dioxide. When water flows through the porous filler, a water film is formed, and simultaneously, a large amount of air is conveyed to enter the filler and contact with the water film, so that carbon dioxide in water can be diffused into the air according to the double-film theory.
The oxygen dissolving mainly adopts closed cavity type equipment such as low water head dissolved oxygen or high pressure dissolved oxygen cone and the like. The low water head oxygen dissolving device falls down through water dispersion and is fully contacted with oxygen, thereby achieving the purpose of oxygen dissolving. The high-pressure dissolved oxygen cone improves the partial pressure of oxygen and the dissolved oxygen in a closed pressurizing mode.
The two processes need independent equipment and power to complete. Even have integrative equipment, also two links are carried out in the equipment respectively and have only practiced thrift the occupation of land, and actual equipment volume does not have obvious improvement.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a retrieve degasification oxygenation system of tail gas system oxygen can integrate degasification, to aquatic oxygenation and retrieve the function of tail gas system oxygen, lifting means function and efficiency.
In order to achieve the above purpose, the utility model provides a degassing and oxygen increasing system for oxygen production by recycling tail gas, which adopts the following technical scheme: a degassing and oxygen increasing system for oxygen generation by recovering tail gas comprises an oxygen generator and a degassing tower, wherein an oxygen supply pipe and a circulating pipe are connected between the degassing tower and the oxygen generator, the oxygen supply pipe is used for conveying oxygen prepared by the oxygen generator to the degassing tower, and the circulating pipe is used for sucking mixed gas in the degassing tower back to the oxygen generator to prepare oxygen;
a porous filler module is arranged in the degassing tower, the porous filler module has a porous structure, an upper containing cavity and a lower containing cavity are respectively arranged above and below the porous filler module, and the upper containing cavity and the lower containing cavity are communicated through the porous structure of the porous filler module;
the circulating pipe is communicated with the upper cavity, and the oxygen supply pipe is communicated with the lower cavity; a water inlet pipe is connected in the upper cavity, and a water outlet pipe is connected in the lower cavity;
the water inlet pipe is used for spraying water to the top of the porous filler module and enabling the water to diffuse downwards into the porous structure of the porous filler module, and the oxygen supply pipe is used for inputting oxygen into the lower cavity and enabling the oxygen to diffuse upwards into the porous structure of the porous filler module.
Preferably, the mouth of the outlet pipe is submerged below the water level in the bottom cavity.
Preferably, the upper chamber is connected with a condenser, and the circulating pipe is communicated with the upper chamber through the condenser.
Preferably, a water distribution plate or a water distributor is arranged above the porous filler module.
Preferably, the oxygen generator is provided with an air inlet pipe for sucking air and an air outlet pipe for discharging non-oxygen gas.
Preferably, flow regulating valves are arranged on the water inlet pipe and the water outlet pipe.
Preferably, the oxygen supply pipe and the circulating pipe are both provided with one-way valves.
More preferably, flow regulating valves are arranged on the oxygen supply pipe and the circulating pipe.
Preferably, the orifice of the water inlet pipe faces downward to face the top of the porous filler module, and the orifice of the oxygen supply pipe faces upward to face the bottom of the porous filler module.
As mentioned above, the degassing and oxygen increasing system for oxygen production by recovering tail gas of the utility model has the following beneficial effects: in the degassing and oxygen increasing system for oxygen generation by recycling tail gas, the oxygen generator is connected with the degassing tower through the oxygen supply pipe and the circulating pipe, the degassing tower is internally provided with the multi-pore filler module, water input into the upper cavity by the water inlet pipe downwards diffuses into the multi-pore filler module under the action of gravity, oxygen input into the lower cavity by the oxygen supply pipe upwards diffuses into the multi-pore filler module and is fully contacted with water and dissolved into water, and the water fully dissolved with oxygen is output by the water outlet pipe for utilization; the non-oxygen gas in the water is replaced and enters the upper cavity together with the rest oxygen gas, and the oxygen gas is sucked into the oxygen generator through the circulating pipe and then recycled to prepare the oxygen gas. The technical scheme of the utility model among, adopt oxygen to replace and carry out degasification oxygenation to water in the air input degasser, improved the oxygen partial pressure, can realize the supersaturation dissolved oxygen in degasification, it is visible from this, the utility model discloses a retrieve function, lifting means function and efficiency that degasification oxygenation system of tail gas system oxygen can integrate degasification, oxygenation and retrieve tail gas system oxygen in to the aquatic.
Drawings
Fig. 1 is a schematic structural diagram of a degassing and oxygen-increasing system for recovering tail gas to produce oxygen according to the present invention.
Description of the element reference numerals
1 water inlet pipe
2 water distribution plate
3 porous filler module
4 water outlet pipe
5 one-way valve
6 one-way valve
7 degassing tower
8 upper part containing cavity
9 lower chamber
10 distributing device
11 condenser
12 mouth of water inlet pipe
13 mouth of water outlet pipe
14 porous structure
15 oxygen generator
16 oxygen supply tube
17 circulation pipe
18 air inlet pipe
19 exhaust pipe
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1, the utility model provides a degassing oxygenation system for recovering tail gas to produce oxygen, which comprises an oxygen generator 15 and a degassing tower 7, wherein an oxygen supply pipe 16 and a circulating pipe 17 are connected between the degassing tower 7 and the oxygen generator 15, the oxygen supply pipe 16 is used for conveying oxygen prepared by the oxygen generator 15 to the degassing tower 7, and the circulating pipe 17 is used for sucking mixed gas in the degassing tower 7 back to the oxygen generator 15 to prepare oxygen;
a porous filler module 3 is arranged in the degassing tower 7, the porous filler module 3 is provided with a porous structure 14, an upper containing cavity 8 and a lower containing cavity 9 are respectively arranged above and below the porous filler module 3, and the upper containing cavity 8 and the lower containing cavity 9 are communicated through the porous structure 14 of the porous filler module 3;
the circulating pipe 17 is communicated with the upper cavity 8, and the oxygen supply pipe 16 is communicated with the lower cavity 9; the upper cavity is connected with a water inlet pipe 1, and the lower cavity 9 is connected with a water outlet pipe 4;
the water inlet pipe 1 is used for spraying water to the top of the porous filler module 3 and making the water diffuse downwards into the porous structure 14 of the porous filler module 3, and the oxygen supply pipe 16 is used for inputting oxygen into the lower receiving cavity 9 and making the oxygen diffuse upwards into the porous structure 14 of the porous filler module 3.
After the water and the oxygen are contacted in the porous structure 14 of the porous filler module 3, part of the oxygen is dissolved in the water and flows into the lower cavity 9 together with the water and flows out through the water outlet pipe 4; and part of the non-oxygen gas in the water is removed and enters the upper chamber 8 with the remaining oxygen and exits through the recirculation conduit 17.
In the degassing and oxygen increasing system for oxygen generation by recovering tail gas of the utility model, because the oxygen generator is connected with the degassing tower 7 through the oxygen supply pipe 16 and the circulating pipe 17, the degassing tower 7 is provided with the multi-pore filler module 3, the water input into the upper containing cavity 8 by the water inlet pipe 1 is downwards diffused into the multi-pore filler module 3 under the action of gravity, the oxygen input into the lower containing cavity 9 by the oxygen supply pipe 16 is upwards diffused into the multi-pore filler module 3 and is fully contacted with the water and dissolved into the water, and the water fully dissolved with the oxygen is output by the water outlet pipe 4 for utilization; the non-oxygen gas in the water is displaced and enters the upper chamber 8 together with the rest oxygen gas, and is sucked into the oxygen generator 15 through the circulating pipe 17 for recycling so as to prepare the oxygen gas. Therefore, the utility model discloses a retrieve degasification oxygenation system of tail gas system oxygen can integrate the system oxygen and to the function of aquatic oxygenation, improve oxygen utilization efficiency.
The utility model discloses a degasification oxygenation system of recovery tail gas system oxygen can realize that the farming in-process is crossed degasification, oxygenation and is gone on in step, and preparation oxygen unites two into one with the function to aquatic oxygenation, reduces equipment cost, and whole set of system utilization is same power energy saving and consumption simultaneously. The utility model discloses a principle of the oxygen oxygenation system that degasses of retrieving tail gas system is in utilizing oxygen to replace air input degasification tower 7, and the carbon dioxide of desorption aquatic dissolves oxygen to the aquatic simultaneously. According to Henry's law and the theory of double membranes, the partial pressure of carbon dioxide in the degasser 7 is hardly changed after replacing air with oxygen, so that the removal of carbon dioxide is not affected; meanwhile, the oxygen partial pressure in the degassing tower 7 is greatly improved, and the solubility of oxygen in water is increased, so that two functions of degassing and oxygenation are synchronously realized. The mixed gas after carbon dioxide removal also contains higher oxygen, the mixed gas in the cavity 8 at the upper part of the degassing tower 7 is pumped back to the oxygen generator 15 by utilizing the power of the air inlet pump of the oxygen generator 15, the oxygen is separated by the oxygen generator 15 and then is input into the degassing tower 7, thus realizing the circulation of the gas in the system, and all functions can be realized by utilizing the power of the oxygen generator.
The utility model discloses an among the degasification oxygenation system of oxygen is made to recovery tail gas, owing to set up porous filler module 3 in degasser 7, porous structure 14 among the porous filler module 3 can make water and oxygen distribute and come and fully contact to make oxygen can fully dissolve aquatic, porous structure 14's form is various, for example, can be cellular structure's porous structure 14 or other many void structure.
In order to make the water spread as much as possible in the porous packing module 3, as a preferred embodiment, a water distribution plate 2 or a water distributor is provided above the porous packing module 3, as shown in fig. 1. After flowing in from the pipe orifice 12 of the water inlet pipe, water is dispersed on the porous filler module 3 through the water distributor or the water distribution plate 2, and the water flows down along the porous structure 14 in the porous filler module 3 and is uniformly distributed on the porous filler module 3 to form a water film; meanwhile, oxygen enters the lower accommodating cavity 9 through the oxygen supply pipe 16, is uniformly dispersed by the dispersing device 10 and then rises along the porous structure 14 of the porous filler module 3, in the process, the concentration of carbon dioxide in water is high, the carbon dioxide can be dispersed into the oxygen, the dissolved oxygen in the water is low, the oxygen is also dispersed into the water, through gas replacement, degassing and oxygenation are realized, then, water flows into the lower accommodating cavity 9, and flows out from the pipe orifice 13 of the water outlet pipe after reaching a certain depth, the water outlet pipe 4 adopts a similar elbow structure, the opening part of the water outlet pipe 4 is submerged below the water surface in the bottom accommodating cavity to form a water seal, and the internal gas in the lower accommodating cavity 9 is prevented from overflowing.
In a preferred embodiment, as shown in fig. 1, a condenser 11 is connected to the upper chamber 8, and the circulation pipe 17 is communicated with the upper chamber 8 through the condenser 11. The mixed gas after gas replacement mainly contains carbon dioxide and oxygen with higher concentration, after the mixed gas is converged in the upper cavity 8, most of water vapor in the mixed gas is removed through a condensing device, and then the mixed gas flows into an oxygen generator 15 along a circulating pipe 17 to be recycled to prepare oxygen, after non-oxygen in the mixed gas is removed by the oxygen generator 15, the oxygen is conveyed to a degassing tower 7 through an oxygen supply pipe 16 to be recycled. As shown in fig. 1, the oxygen generator 15 is provided with an intake pipe 18 for sucking air and an exhaust pipe 19 for discharging non-oxygen gas. In order to facilitate the control of the amount of water entering the degassing tower 7 and the amount of oxygen dissolved water extracted from the degassing tower 7, flow control valves (not shown) are provided on the water inlet pipe 1 and the water outlet pipe 4. In order to prevent the gas in the oxygen supply pipe 16 from reversely flowing into the oxygen generator 15, the oxygen supply pipe 16 is provided with a one-way valve 5, and in order to prevent the oxygen in the circulating pipe 17 from reversely flowing into the upper chamber 8, the circulating pipe 17 is also provided with a one-way valve 6. In order to facilitate the control of the gas flow in the oxygen supply pipe 16 and the circulation pipe 17, flow control valves (not shown) are provided on both the oxygen supply pipe 16 and the circulation pipe 17.
As shown in fig. 1, the mouth 12 of the water inlet pipe faces downward to the top of the porous packing module 3, so that the water in the water inlet pipe 1 can be sufficiently dispersed by the porous packing module, and the mouth of the oxygen supply pipe 16 faces upward to the bottom of the porous packing module 3, so that the oxygen in the oxygen supply pipe 16 can enter the porous packing module 3 in time.
As a preferred embodiment, as shown in FIG. 1, the oxygen generator 15 is integrated with the degassing tower 7, and the oxygen generator 15 can be arranged at the top of the degassing tower 7, so that the whole system has a compact structure and occupies a small space. In the degassing and oxygen increasing system for oxygen production by recycling tail gas, oxygen is input into the degassing tower 7 to be degassed instead of air, and the degassing and oxygen increasing system is different from the conventional degassing tower 7 in using air, and has the advantages that the oxygen partial pressure is improved, the supersaturated dissolved oxygen can be realized while degassing is carried out, the concentration of the dissolved oxygen in the effluent reaches 20-40mg/L, and the oxygen demand of high-density culture can be met; in the prior art, air degassing is adopted to ensure that the dissolved oxygen concentration can only reach 6-9mg/L, and secondary oxygenation is needed to meet the oxygen requirement of high-density culture.
The degassing and oxygen increasing system for oxygen generation by recycling tail gas recovers degassed mixed tail gas, avoids waste of oxygen, separates oxygen for recycling by the recycled tail gas through the oxygen generator 15, and needs to add part of oxygen-generating fresh air as part of oxygen is taken away by water; the prior art uses air degassing, does not recover and requires a large amount of additional fresh air. There is a difference in heat exchange with the outside.
In the degassing and oxygen increasing system for oxygen generation by recycling tail gas, the running gas drive is continuous, only a single power source is needed, and the purposes of degassing and super-saturation oxygen increasing can be realized by a single device; the prior art needs independent equipment and power sources respectively, and has different energy consumption and cost.
Based on the technical scheme of above-mentioned embodiment, the utility model discloses a retrieve degasification oxygenation system of tail gas system oxygen has following advantage:
the degassing and oxygen increasing system for oxygen generation by recycling tail gas not only integrates degassing and super-saturation oxygen increasing devices, but also realizes function synchronization, reduces the device volume and reduces the energy consumption; the oxygen generator 15 and the degassing tower 7 share power, and can operate without independently configuring additional power; compared with low water head dissolved oxygen, the degassing and oxygenation system for recovering tail gas to produce oxygen has longer contact time with oxygen and better dissolved oxygen effect because water flows through the porous filler module 3; the degassing and oxygen increasing system for oxygen production by recycling tail gas of the utility model recycles oxygen, reduces heat exchange with the outside air, and is helpful to keep water temperature; the oxygen used in the degassing and oxygen increasing system for recovering tail gas to generate oxygen of the utility model does not contain carbon dioxide, and the carbon dioxide removing effect is better after replacing air; the utility model discloses a retrieve oxygen degassing oxygenation system of tail gas system oxygen in oxygen can cyclic utilization, improved the utilization ratio of oxygen.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. It will be apparent to those skilled in the art that modifications and variations can be made to the above-described embodiments without departing from the spirit and scope of the invention, and it is intended that all equivalent modifications and variations be covered by the appended claims without departing from the spirit and scope of the invention.
Claims (9)
1. A degassing and oxygen increasing system for oxygen generation by recovering tail gas is characterized by comprising an oxygen generator and a degassing tower, wherein an oxygen supply pipe and a circulating pipe are connected between the degassing tower and the oxygen generator, the oxygen supply pipe is used for conveying oxygen prepared by the oxygen generator into the degassing tower, and the circulating pipe is used for sucking mixed gas in the degassing tower back into the oxygen generator to prepare the oxygen;
a porous filler module is arranged in the degassing tower, the porous filler module has a porous structure, an upper containing cavity and a lower containing cavity are respectively arranged above and below the porous filler module, and the upper containing cavity and the lower containing cavity are communicated through the porous structure of the porous filler module;
the circulating pipe is communicated with the upper cavity, and the oxygen supply pipe is communicated with the lower cavity; the upper cavity is connected with a water inlet pipe, and the lower cavity is connected with a water outlet pipe;
the water inlet pipe is used for spraying water to the top of the porous filler module and enabling the water to diffuse downwards into the porous structure of the porous filler module, and the oxygen supply pipe is used for inputting oxygen into the lower cavity and enabling the oxygen to diffuse upwards into the porous structure of the porous filler module.
2. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: the opening part of the water outlet pipe is submerged below the water surface in the bottom cavity.
3. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: the upper portion holds the chamber and is connected with the condenser, the circulating pipe passes through condenser and upper portion and holds the chamber intercommunication.
4. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: and a water distribution plate or a water distributor is arranged above the porous filler module.
5. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: the oxygen generator is provided with an air inlet pipe for sucking air and an exhaust pipe for discharging non-oxygen gas.
6. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: and flow regulating valves are arranged on the water inlet pipe and the water outlet pipe.
7. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: the oxygen supply pipe and the circulating pipe are both provided with one-way valves.
8. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 7, wherein: and flow regulating valves are arranged on the oxygen supply pipe and the circulating pipe.
9. The degassing and oxygen increasing system for oxygen production by recycling tail gas as claimed in claim 1, wherein: the pipe orifice of the water inlet pipe faces downwards to face the top of the porous filler module, and the pipe orifice of the oxygen supply pipe faces upwards to face the bottom of the porous filler module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922228998.1U CN212222471U (en) | 2019-12-10 | 2019-12-10 | Degassing and oxygen increasing system for oxygen production by recycling tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922228998.1U CN212222471U (en) | 2019-12-10 | 2019-12-10 | Degassing and oxygen increasing system for oxygen production by recycling tail gas |
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| Publication Number | Publication Date |
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| CN212222471U true CN212222471U (en) | 2020-12-25 |
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| CN201922228998.1U Active CN212222471U (en) | 2019-12-10 | 2019-12-10 | Degassing and oxygen increasing system for oxygen production by recycling tail gas |
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| CN (1) | CN212222471U (en) |
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