CN213771466U - Sodium borohydride tail gas absorption liquid recycle device - Google Patents
Sodium borohydride tail gas absorption liquid recycle device Download PDFInfo
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- CN213771466U CN213771466U CN202022949626.0U CN202022949626U CN213771466U CN 213771466 U CN213771466 U CN 213771466U CN 202022949626 U CN202022949626 U CN 202022949626U CN 213771466 U CN213771466 U CN 213771466U
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- absorption liquid
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Abstract
The utility model discloses a sodium borohydride tail gas absorption liquid recycle device, recycle device include tail gas absorption liquid holding vessel, oxidation tank and ultrafilter tank, and tail gas absorption liquid holding vessel upper end installation tail gas intake pipe and active carbon feeding pipe, tail gas absorption liquid holding vessel bottom installation filter screen subassembly, and tail gas absorption liquid holding vessel passes through the pipeline and is connected with the oxidation tank, and on the oxidation tank was fixed in the support frame, oxidation tank top installation oxidant injection pipe, oxidation tank inner chamber installation compounding subassembly, the discharge end of oxidation tank passes through the pipeline and is connected with the ultrafilter tank, the utility model discloses structural design is novel, can realize the filtration, oxidation and the ultrafiltration treatment to tail gas absorption liquid, and environmental protection performance is good, can realize that the liquid after handling recycles, has reduced use cost.
Description
Technical Field
The utility model relates to a technical field is retrieved to tail gas absorption liquid, specifically is a sodium borohydride tail gas absorption liquid recycle device.
Background
Sodium borohydride is stable at normal temperature and pressure. The sodium borohydride basic solution is brownish yellow. One of the most commonly used reducing agents. Stable to moisture and oxygen in the air and easy to operate and treat. It is suitable for industrial scale, and methanol and ethanol are usually used as solvents because of solubility problems. In general, sodium borohydride cannot reduce esters, amides, carboxylic acids and nitriles, except when a heteroatom is present alpha to the carbonyl group of the ester, which can be reduced. The composition can be used for treating pharyngalgia, laryngalgia, cough, tachypnea, headache, abdominal pain, diarrhea, vertigo, conjunctival congestion, and pain. Inhalation or skin contact with the agent is harmful to the human body. Sodium borohydride should be stored dry, with special care in use, and handled in a fume hood. It should be stored in a cool, dry storehouse. Moisture-proof and shock-proof, and is not stored together with inorganic acid and transported, and is far away from heat source, fire and inflammable.
The tail gas generated in the processing process of sodium borohydride needs to be absorbed, and the tail gas cannot be recycled after being absorbed by the conventional tail gas absorption liquid, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sodium borohydride tail gas absorption liquid recycle device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sodium borohydride tail gas absorption liquid recycle device, recycle device includes tail gas absorption liquid holding vessel, oxidation tank and ultrafilter tank, tail gas absorption liquid holding vessel upper end installation tail gas intake pipe and active carbon feeding pipe, tail gas absorption liquid holding vessel bottom installation filter screen subassembly, tail gas absorption liquid holding vessel passes through the pipeline and is connected with the oxidation tank, the oxidation tank is fixed in on the support frame, oxidation tank top installation oxidant ascending pipe, oxidation tank inner chamber installation compounding subassembly, the discharge end of oxidation tank passes through the pipeline and is connected with the ultrafilter tank.
Preferably, the sodium borohydride tail gas absorption liquid recycle device that this application provided, wherein, the compounding subassembly includes rotation axis, stirring vane and agitator motor, agitator motor installs in the oxidation tank bottom, the agitator motor output shaft is connected with rotation axis one end transmission, the rotation axis other end runs through the oxidation tank bottom and stretches into the oxidation tank inner chamber, stirring vane installs in rotation axis outer wall.
Preferably, the application provides a sodium borohydride tail gas absorption liquid recycle device, wherein, the ultrafiltration jar is including a jar body, jar body top installation inlet, bottom installation liquid outlet, first milipore filter, second milipore filter and third milipore filter are installed in proper order to jar internal chamber.
Preferably, the application provides a pair of sodium borohydride tail gas absorption liquid recycle device, wherein, first milipore filter, second milipore filter and third milipore filter structure are identical completely, including cylinder hollow fiber milipore filter body, the hollow fiber milipore filter body includes warp knitting net fiber supporting layer, polypropylene adhesive linkage and polytetrafluoroethylene milipore filter area, the internal surface heat seal lamination in polytetrafluoroethylene milipore filter area the polypropylene adhesive linkage forms polytetrafluoroethylene milipore filter bonding area body, polytetrafluoroethylene milipore filter bonding area body is heliciform individual layer overlapping winding and is in warp knitting net fiber supporting layer surface and heat seal lamination become an organic whole.
Preferably, the sodium borohydride tail gas absorption liquid recycle device that this application provided, wherein, the filter screen subassembly includes screen frame, first filter screen and second filter screen are all installed in the screen frame, first filter screen adopts the active carbon filter screen, the second filter screen adopts the graphite alkene filter screen.
Preferably, the sodium borohydride tail gas absorption liquid recycling device provided by the application is characterized in that a regulating valve is mounted on the pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel structural design, can realize the filtration, oxidation and ultrafiltration treatment of the tail gas absorption liquid, has good environmental protection performance, can realize the reuse of the treated liquid, and reduces the use cost; wherein, a mixing component is arranged in the oxidation tank, so that the recovery liquid can be ensured to fully react with the oxidant; the three-layer ultrafiltration membrane has high structural strength, is not easy to damage, and has good heat resistance, corrosion resistance and weather resistance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the ultrafiltration membrane of the present invention;
FIG. 3 is a schematic structural view of the filter screen assembly of the present invention;
FIG. 4 is a schematic view of the structure of the ultrafiltration tank of the present invention;
in the figure: the tail gas absorption liquid storage tank comprises a tail gas absorption liquid storage tank 1, an oxidation tank 2, an ultrafiltration tank 3, an activated carbon feeding pipe 4, a tail gas inlet pipe 5, a filter screen assembly 6, a first pipeline 7, a support frame 8, an oxidant injection pipe 9, a second pipeline 10, a rotating shaft 11, a stirring blade 12, a stirring motor 13, a tank body 14, a liquid inlet 15, a liquid outlet 16, a first ultrafiltration membrane 17, a second ultrafiltration membrane 18, a third ultrafiltration membrane 19, a cylindrical hollow fiber ultrafiltration membrane body 20, a warp-knitted fiber support layer 21, a polypropylene bonding layer 22, a polytetrafluoroethylene ultrafiltration membrane belt 23, a net frame 24, a first filter screen 25 and a second filter screen 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides a technical solution: a sodium borohydride tail gas absorption liquid recycling device comprises a tail gas absorption liquid storage tank 1, an oxidation tank 2 and an ultrafiltration tank 3, wherein a tail gas inlet pipe 5 and an activated carbon feeding pipe 4 are installed at the upper end of the tail gas absorption liquid storage tank 1, a filter screen assembly 6 is installed at the bottom of the tail gas absorption liquid storage tank 1, the tail gas absorption liquid storage tank 1 is connected with the oxidation tank 2 through a first pipeline 7, the oxidation tank 2 is fixed on a support frame 8, an oxidant injection pipe 9 is installed at the top end of the oxidation tank 2, a material mixing assembly is installed in the inner cavity of the oxidation tank 2, and the discharge end of the oxidation tank 2 is connected with the ultrafiltration tank 3 through a second pipeline 10; the first pipe 7 and the second pipe 10 are provided with regulating valves 27.
The utility model discloses in, the compounding subassembly includes rotation axis 11, stirring vane 12 and agitator motor 13, agitator motor 13 is installed in oxidation tank 2 bottoms, agitator motor 13 output shaft is connected with the 11 one end transmissions of rotation axis, the 11 other ends of rotation axis run through oxidation tank 2 bottoms and stretch into oxidation tank 2 inner chambers, stirring vane 12 is installed in 11 outer walls of rotation axis.
In the utility model, the ultrafiltration tank 3 comprises a tank body 14, a liquid inlet 15 is arranged at the top end of the tank body 14, a liquid outlet 16 is arranged at the bottom end of the tank body 14, and a first ultrafiltration membrane 17, a second ultrafiltration membrane 18 and a third ultrafiltration membrane 19 are sequentially arranged in the inner cavity of the tank body 14; first milipore filter 17, second milipore filter 18 and the 19 structures of third milipore filter are identical completely, including cylindrical hollow fiber milipore filter body 20, hollow fiber milipore filter body 20 includes warp knitting net fiber supporting layer 21, polypropylene adhesive linkage 22 and polytetrafluoroethylene milipore filter area 23, the internal surface heat seal lamination in polytetrafluoroethylene milipore filter area 23 polypropylene adhesive linkage 22 forms the polytetrafluoroethylene milipore filter bonding area body, polytetrafluoroethylene milipore filter bonding area body is the winding of heliciform individual layer overlap warp knitting net fiber supporting layer 21 surface and heat sealing lamination are pressed integratively.
Furthermore, the utility model discloses in, filter screen subassembly 6 includes net frame 24, first filter screen 25 and second filter screen 26 are all installed in net frame 24, first filter screen 25 adopts the active carbon filter screen, second filter screen 26 adopts the graphite alkene filter screen.
The working principle is as follows: the utility model discloses a use method includes following step:
A. the sodium borohydride tail gas enters a tail gas absorption liquid storage tank through a tail gas inlet pipe to be absorbed, and meanwhile, an activated carbon adsorbent is added to perform deodorization and decoloration treatment;
B. meanwhile, tail gas absorption liquid is filtered by the filter screen assembly and then discharged into the oxidation tank;
C. adding an oxidant into the oxidation tank of the box to mix with the tail gas absorption liquid, simultaneously starting a motor, driving a rotating shaft to rotate by the motor, driving a stirring blade to rotate by the rotating shaft, and further enabling the tail gas absorption liquid to fully react with the oxidant;
D. and discharging the reacted product into a rear side ultrafiltration tank, performing ultrafiltration by using a three-layer ultrafiltration membrane, and discharging into an external collection tank.
In conclusion, the utility model has novel structural design, can realize the filtration, oxidation and ultrafiltration treatment of the tail gas absorption liquid, has good environmental protection performance, can realize the reuse of the treated liquid, and reduces the use cost; wherein, a mixing component is arranged in the oxidation tank, so that the recovery liquid can be ensured to fully react with the oxidant; the three-layer ultrafiltration membrane has high structural strength, is not easy to damage, and has good heat resistance, corrosion resistance and weather resistance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a sodium borohydride tail gas absorption liquid recycle device, recycle device includes tail gas absorption liquid holding vessel (1), oxidation tank (2) and ultrafilter tank (3), its characterized in that: tail gas absorption liquid holding vessel (1) upper end installation tail gas intake pipe (5) and active carbon feeding pipe (4), tail gas absorption liquid holding vessel (1) bottom installation filter screen subassembly (6), tail gas absorption liquid holding vessel (1) is connected with oxidation tank (2) through first pipeline (7), oxidation tank (2) are fixed in on support frame (8), oxidation tank (2) top installation oxidant injection pipe (9), oxidation tank (2) inner chamber installation compounding subassembly, the discharge end of oxidation tank (2) passes through second pipeline (10) and is connected with ultrafiltration jar (3).
2. The recycling device of sodium borohydride tail gas absorption liquid according to claim 1, characterized in that: the compounding subassembly includes rotation axis (11), stirring vane (12) and agitator motor (13), agitator motor (13) are installed in oxidation tank (2) bottom, agitator motor (13) output shaft is connected with rotation axis (11) one end transmission, rotation axis (11) other end runs through oxidation tank (2) bottom and stretches into oxidation tank (2) inner chamber, stirring vane (12) are installed in rotation axis (11) outer wall.
3. The recycling device of sodium borohydride tail gas absorption liquid according to claim 1, characterized in that: the ultrafiltration tank (3) comprises a tank body (14), wherein a liquid inlet (15) is installed at the top end of the tank body (14), a liquid outlet (16) is installed at the bottom end of the tank body (14), and a first ultrafiltration membrane (17), a second ultrafiltration membrane (18) and a third ultrafiltration membrane (19) are sequentially installed in an inner cavity of the tank body (14).
4. The recycling device of sodium borohydride tail gas absorption liquid according to claim 3, characterized in that: first milipore filter (17), second milipore filter (18) and third milipore filter (19) structure are identical completely, including cylinder hollow fiber milipore filter body (20), hollow fiber milipore filter body (20) are including warp knitting net fiber supporting layer (21), polypropylene adhesive linkage (22) and polytetrafluoroethylene milipore filter area (23), the internal surface heat seal lamination of polytetrafluoroethylene milipore filter area (23) polypropylene adhesive linkage (22) form polytetrafluoroethylene milipore filter bonding area body, polytetrafluoroethylene milipore filter bonding area body is the winding of heliciform individual layer overlap warp knitting net fiber supporting layer (21) surface and heat seal lamination are pressed integratively.
5. The recycling device of sodium borohydride tail gas absorption liquid according to claim 1, characterized in that: filter screen subassembly (6) are including net frame (24), first filter screen (25) and second filter screen (26), all install in net frame (24) first filter screen (25) and second filter screen (26), activated carbon filter screen is adopted in first filter screen (25), graphite alkene filter screen is adopted in second filter screen (26).
6. The recycling device of sodium borohydride tail gas absorption liquid according to claim 1, characterized in that: and regulating valves (27) are arranged on the first pipeline (7) and the second pipeline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022949626.0U CN213771466U (en) | 2020-12-11 | 2020-12-11 | Sodium borohydride tail gas absorption liquid recycle device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022949626.0U CN213771466U (en) | 2020-12-11 | 2020-12-11 | Sodium borohydride tail gas absorption liquid recycle device |
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| CN213771466U true CN213771466U (en) | 2021-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429832A (en) * | 2020-12-11 | 2021-03-02 | 江苏宏梓新能源科技有限公司 | Sodium borohydride tail gas absorption liquid recycling device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429832A (en) * | 2020-12-11 | 2021-03-02 | 江苏宏梓新能源科技有限公司 | Sodium borohydride tail gas absorption liquid recycling device and method |
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