CN213976977U - Waste sulfuric acid recovery device - Google Patents
Waste sulfuric acid recovery device Download PDFInfo
- Publication number
- CN213976977U CN213976977U CN202022924989.9U CN202022924989U CN213976977U CN 213976977 U CN213976977 U CN 213976977U CN 202022924989 U CN202022924989 U CN 202022924989U CN 213976977 U CN213976977 U CN 213976977U
- Authority
- CN
- China
- Prior art keywords
- concentration tower
- outside
- circulating concentration
- sulfuric acid
- waste sulfuric
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a waste sulfuric acid recovery device, in particular to the technical field of waste sulfuric acid recovery, which comprises a circulating concentration tower, wherein the circulating concentration tower is connected with a heat exchanger through a pipeline, the outlet of the heat exchanger is connected with a mist making device through a pipeline, the outside of a diffuser is connected with a return pipe, the outside of the circulating concentration tower is connected with a first acid-resistant pump and a second acid-resistant pump, one end of the return pipe is connected with the first acid-resistant pump, and the bottom end of the circulating concentration tower is fixedly provided with a slag discharge assembly; the slag discharging assembly comprises a plunger valve arranged at the bottom end of the circulating concentration tower, a slag remover is arranged at the bottom end of the plunger valve, a suction pump is fixedly arranged outside the slag remover, and the outside of the suction pump is connected with the outside of the circulating concentration tower through a pipeline. The utility model discloses can reduce the inside solid of circulation concentration tower, guarantee the separation of heat transfer effect and spent acid, be favorable to the improvement of sulphuric acid recovery efficiency.
Description
Technical Field
The utility model relates to a waste sulfuric acid retrieves technical field, concretely relates to waste sulfuric acid recovery unit.
Background
Sulfuric acid is widely applied to industries such as chemical industry, steel and the like, in many production processes, the utilization rate of the sulfuric acid is very low, a large amount of sulfuric acid is discharged along with acid-containing wastewater, and the wastewater is discharged into the environment without being treated, so that not only can water or soil be acidified, but also the ecological environment is damaged, and a large amount of resources are wasted;
when the existing device recovers the waste sulfuric acid, solid matters are separated out in the concentration process, the heat transfer effect and the separation of waste acid are influenced, and the improvement of the recovery efficiency of the sulfuric acid is not facilitated.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a waste sulfuric acid recovery unit aims at solving current device when waste sulfuric acid retrieves, has the solid to appear at the concentration in-process, can influence the separation of heat transfer effect and spent acid, is unfavorable for the problem of the improvement of the recovery efficiency of sulphuric acid.
In order to achieve the above object, the present invention provides the following technical solutions:
the waste sulfuric acid recovery device comprises a circulating concentration tower, wherein the circulating concentration tower is connected with a heat exchanger through a pipeline, an outlet of the heat exchanger is connected with a mist making device through a pipeline, the outer part of the mist making device is connected with a diffuser and an induced draft fan, the outlet of the induced draft fan is connected with a gas purifier through a pipeline, the outer part of the diffuser is connected with a return pipe, the outer part of the circulating concentration tower is connected with a first acid-resistant pump and a second acid-resistant pump, a heater is arranged on one side of the circulating concentration tower, one end of the return pipe is connected with the first acid-resistant pump, and a slag discharging assembly is fixedly arranged at the bottom end of the circulating concentration tower;
the slag discharging assembly comprises a plunger valve arranged at the bottom end of the circulating concentration tower, a slag remover is arranged at the bottom end of the plunger valve, a suction pump is fixedly arranged outside the slag remover, and the outside of the suction pump is connected with the outside of the circulating concentration tower through a pipeline.
Further, the outside of scummer is equipped with the motor, and the inside of scummer is along transversely being equipped with the lead screw, the outside meshing of lead screw has the screw, and the outside of screw is equipped with the push pedal, the bottom of scummer is equipped with the drain.
Furthermore, the inside of gas purifier is equipped with the filter core, and gas purifier's external fixation is equipped with the outlet duct.
Further, a pressure gauge and a concentration gauge are arranged outside the circulating concentration tower.
Furthermore, the top of circulation concentration tower is equipped with the closing cap, and the outside of closing cap is equipped with the butt plate, the outside of butt plate is equipped with a plurality of spring levers that are connected with the closing cap.
Furthermore, an overflow groove is arranged at one end of the sealing cover extending into the circulating concentration tower, and a through groove is formed in the groove wall of the overflow groove.
Further, the circulation concentration tower is made by compound polypropylene material, the material of heat exchanger is graphite, make fog maker, diffuser, draught fan, plunger valve, scummer and suction pump and be acidproof equipment.
The utility model has the advantages of as follows:
the utility model discloses in for the solid that produces among the waste sulfuric acid recovery process accumulates in the scummer, and the motor drive lead screw rotates, and the push pedal passes through the screw to be fixed on the lead screw, and the push pedal moves on the lead screw, and the inside solid of promotion scummer is discharged from scummer bottom end drain, reduces the inside solid of cyclic concentration tower, guarantees the separation of heat transfer effect and spent acid, is favorable to the improvement of sulphuric acid recovery efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a schematic view of the internal structure of the circulating concentration tower provided by the present invention;
fig. 3 is a schematic structural view of a portion a in fig. 2 according to the present invention;
FIG. 4 is a structural diagram of the slag discharge assembly provided by the present invention;
fig. 5 is a perspective view of the gas purifier provided by the present invention;
in the figure: 1. a circulating concentration tower; 2. a heat exchanger; 3. a mist generator; 4. a diffuser; 5. an induced draft fan; 6. a gas purifier; 7. a first acid resistant pump; 8. a heater; 9. a plunger valve; 10. a slag remover; 11. a suction pump; 12. a motor; 13. a screw rod; 14. a nut; 15. pushing the plate; 16. a filter element; 17. an air outlet pipe; 18. a second acid-resistant pump; 19. a return pipe; 20. a pressure gauge; 21. a concentration meter; 22. sealing the cover; 23. a butt joint plate; 24. a spring lever; 25. an overflow trough; 26. a through groove; 27. a sewage draining outlet.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
Referring to the attached drawings 1-5 of the specification, the waste sulfuric acid recovery device of the embodiment comprises a circulating concentration tower 1, wherein the circulating concentration tower 1 is connected with a heat exchanger 2 through a pipeline, the outlet of the heat exchanger 2 is connected with a mist generator 3 through a pipeline, the outside of the mist generator 3 is connected with a diffuser 4 and an induced draft fan 5, the outlet of the induced draft fan 5 is connected with a gas purifier 6 through a pipeline, the outside of the diffuser 4 is connected with a return pipe 19, the outside of the circulating concentration tower 1 is connected with a first acid-resistant pump 7 and a second acid-resistant pump 18, a heater 8 is arranged on one side of the circulating concentration tower 1, one end of the return pipe 19 is connected with the first acid-resistant pump 7, and a slag discharge assembly is fixedly arranged at the bottom end of the circulating concentration tower 1;
the slag discharging assembly comprises a plunger valve 9 arranged at the bottom end of the circulating concentration tower 1, a slag remover 10 is arranged at the bottom end of the plunger valve 9, a suction pump 11 is fixedly arranged outside the slag remover 10, and the outside of the suction pump 11 is connected with the outside of the circulating concentration tower 1 through a pipeline.
Further, the outside of scummer 10 is equipped with motor 12, and the inside of scummer 10 is along transversely being equipped with lead screw 13, the outside meshing of lead screw 13 has screw 14, and the outside of screw 14 is equipped with push pedal 15, the bottom of scummer 10 is equipped with drain 27, promotes the inside solid of scummer 10 and discharges from scummer 10 bottom looks drain 27, reduces the inside solid of cyclic concentration tower 1, guarantees the separation of heat transfer effect and spent acid, is favorable to the improvement of sulphuric acid recovery efficiency.
Further, a filter element 16 is arranged inside the gas purifier 6, and an air outlet pipe 17 is fixedly arranged outside the gas purifier 6.
Further, a pressure gauge 20 and a concentration gauge 21 are arranged outside the circulating concentration tower 1, and the pressure value in the tower and the concentration of the sulfuric acid are effectively displayed.
Further, a sealing cover 22 is arranged at the top end of the circulating concentration tower 1, an abutting plate 23 is arranged outside the sealing cover 22, and a plurality of spring rods 24 connected with the sealing cover 22 are arranged outside the abutting plate 23 to ensure the sealing performance of the sealing cover 22.
Furthermore, an overflow groove 25 is arranged at one end of the sealing cover 22 extending into the circulating concentration tower 1, and a through groove 26 is arranged on the groove wall of the overflow groove 25 to prevent the sulfuric acid in the tower from overflowing.
Further, circulation concentration tower 1 is made by compound polypropylene material, the material of heat exchanger 2 is graphite, make fog producer 3, diffuser 4, draught fan 5, plunger valve 9, scummer 10 and suction pump 11 and be acidproof equipment, improve equipment acid resistance, extension equipment life.
The implementation scenario is specifically as follows: the waste sulfuric acid is conveyed into a circulating concentration tower 1 for concentration through a first acid-proof pump 7, then enters a mist making device 3 and a diffuser 4 for forced atomization and further vaporization after being heated by a heat exchanger 2, the separated gas enters a gas purifier 6 after being discharged from a room at a high height, is filtered by a filter element 16 in the gas purifier 6 and then is discharged from a gas outlet pipe 17, the rest liquid enters the circulating concentration tower 1 again through a return pipe 19 through the first acid-proof pump 7 for secondary concentration, a plunger valve 9 positioned at the bottom end of the circulating concentration tower 1 is opened, the waste sulfuric acid in the circulating concentration tower 1 enters a slag remover 10 through the bottom end of the plunger valve 9 under the action of gravity, the waste sulfuric acid is separated out in the concentration process, solids can be accumulated in the slag remover 10 under the action of gravity, and the waste sulfuric acid flowing through the slag remover 10 returns back into the circulating concentration tower from the top end of the circulating concentration tower 1 again through a connecting pipe under the suction of a suction pump 11, finally, the sulfuric acid meeting the concentration requirement is pumped into a concentrated sulfuric acid storage tank through a second acid-resistant pump 18 to be stored, the solid is accumulated in the slag remover 10, the motor 12 drives the screw rod 13 to rotate, the push plate 15 is fixed on the screw rod 13 through the screw 14, the push plate 15 moves on the screw rod 13, the solid inside the slag remover 10 is pushed to be discharged from a bottom end phase sewage outlet 27 of the slag remover 10, the solid inside the circulating concentration tower 1 is reduced, the heat transfer effect and the separation of waste acid are ensured, and the recovery efficiency of the sulfuric acid is improved.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a waste sulfuric acid recovery unit, includes circulation concentration tower (1), its characterized in that: the circulating concentration tower (1) is connected with a heat exchanger (2) through a pipeline, the outlet of the heat exchanger (2) is connected with a mist making device (3) through a pipeline, the outer part of the mist making device (3) is connected with a diffuser (4) and an induced draft fan (5), the outlet of the induced draft fan (5) is connected with a gas purifier (6) through a pipeline, the outer part of the diffuser (4) is connected with a return pipe (19), the outer part of the circulating concentration tower (1) is connected with a first acid-resistant pump (7) and a second acid-resistant pump (18), a heater (8) is arranged on one side of the circulating concentration tower (1), one end of the return pipe (19) is connected with the first acid-resistant pump (7), and a slag discharging assembly is fixedly arranged at the bottom end of the circulating concentration tower (1);
the slag discharging assembly comprises a plunger valve (9) arranged at the bottom end of the circulating concentration tower (1), a slag remover (10) is arranged at the bottom end of the plunger valve (9), a suction pump (11) is fixedly arranged outside the slag remover (10), and the outside of the suction pump (11) is connected with the outside of the circulating concentration tower (1) through a pipeline.
2. The apparatus for recovering waste sulfuric acid according to claim 1, wherein: the outside of scummer (10) is equipped with motor (12), and the inside of scummer (10) is along transversely being equipped with lead screw (13), the outside meshing of lead screw (13) has screw (14), and the outside of screw (14) is equipped with push pedal (15), the bottom of scummer (10) is equipped with drain (27).
3. The apparatus for recovering waste sulfuric acid according to claim 1, wherein: the inside of gas purification ware (6) is equipped with filter core (16), and the outside of gas purification ware (6) is fixed and is equipped with outlet duct (17).
4. The apparatus for recovering waste sulfuric acid according to claim 1, wherein: and a pressure gauge (20) and a concentration gauge (21) are arranged outside the circulating concentration tower (1).
5. The apparatus for recovering waste sulfuric acid according to claim 1, wherein: the top of circulation concentration tower (1) is equipped with closing cap (22), and the outside of closing cap (22) is equipped with butt joint board (23), the outside of butt joint board (23) is equipped with a plurality of spring levers (24) that are connected with closing cap (22).
6. The apparatus for recovering waste sulfuric acid as claimed in claim 5, wherein: an overflow groove (25) is arranged at one end of the sealing cover (22) extending into the circulating concentration tower (1), and a through groove (26) is formed in the groove wall of the overflow groove (25).
7. The apparatus for recovering waste sulfuric acid according to claim 1, wherein: the circulation concentration tower (1) is made of composite polypropylene materials, the heat exchanger (2) is made of graphite, and the mist generator (3), the diffuser (4), the draught fan (5), the plunger valve (9), the slag remover (10) and the suction pump (11) are acid-resistant equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924989.9U CN213976977U (en) | 2020-12-09 | 2020-12-09 | Waste sulfuric acid recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022924989.9U CN213976977U (en) | 2020-12-09 | 2020-12-09 | Waste sulfuric acid recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213976977U true CN213976977U (en) | 2021-08-17 |
Family
ID=77241275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022924989.9U Expired - Fee Related CN213976977U (en) | 2020-12-09 | 2020-12-09 | Waste sulfuric acid recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213976977U (en) |
-
2020
- 2020-12-09 CN CN202022924989.9U patent/CN213976977U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201288071Y (en) | Vacuum distillation wastewater treatment device | |
| CN206616035U (en) | Ammonia-containing water processing unit | |
| CN106039755A (en) | Flue gas condensing water-extracting system | |
| CN213976977U (en) | Waste sulfuric acid recovery device | |
| CN103977584A (en) | Automatic feeding and discharging control method of copper sulfate vacuum evaporator | |
| CN201507918U (en) | Recovery device for steam condensate of boiler | |
| CN105712545A (en) | Copper-contained wastewater recycling system | |
| CN205288056U (en) | Useless ammonia processing system of propane diamine production line | |
| CN111056711A (en) | Deaminizing and denitrogenating process for garbage leachate | |
| CN111485350A (en) | Waste heat recovery system of setting machine | |
| CN202860398U (en) | Flue gas desulfurization device by magnesium oxide method | |
| CN213467305U (en) | Energy-saving device for efficiently recycling phenol waste gas | |
| CN210065418U (en) | Electrode foil industrial wastewater treatment device | |
| CN206466967U (en) | A kind of nitric acid waste purification system produced for formed aluminum foil | |
| CN211864987U (en) | Continuous efficient oxidation reactor | |
| CN208799958U (en) | A kind of horizontal calcium method desulfurizing tower | |
| CN113800700A (en) | High-efficient waste liquid ammonia still | |
| CN205965084U (en) | Flue gas condensation water lift system | |
| CN219023851U (en) | Tail gas steam-water separation recycling device for condensate water tank | |
| CN106197061B (en) | Cooling tower saturated vapor retracting device and apply its water-saving system | |
| CN203829671U (en) | External mist eliminator of vacuum evaporator | |
| CN216972250U (en) | High-efficiency reverse osmosis concentrated water recovery device | |
| CN214181824U (en) | Hydrogen peroxide solution temperature raising device for film-falling evaporator | |
| CN204125192U (en) | The useless time sodium recycle device of acetylene | |
| CN204803244U (en) | Useless methyl alcohol purification system of recycling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210817 Termination date: 20211209 |