CN214439647U - Wet ball mill steam recovery device - Google Patents
Wet ball mill steam recovery device Download PDFInfo
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- CN214439647U CN214439647U CN202021992185.6U CN202021992185U CN214439647U CN 214439647 U CN214439647 U CN 214439647U CN 202021992185 U CN202021992185 U CN 202021992185U CN 214439647 U CN214439647 U CN 214439647U
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- cooling
- ball mill
- wet ball
- steam
- slag
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Abstract
The utility model provides a wet ball mill steam recovery device, which belongs to the technical field of gas recovery, and comprises a collecting cover, a main guide pipe and a condenser, wherein the collecting cover is covered with a discharge port of the wet ball mill and is used for receiving steam and slag-liquid mixture produced by the wet ball mill; one end of the main duct is connected with the collecting cover; the condenser is connected with the other end of the main conduit and is used for condensing the steam transmitted by the main conduit. The utility model provides a wet ball mill steam recovery unit has reduced the loss of metal vanadium and has contained the pollution of vanadium steam to the environment.
Description
Technical Field
The utility model belongs to the technical field of the gas treatment, more specifically say, relate to a wet ball mill steam recovery unit.
Background
In the industrial production of vanadium extraction by sodium oxide roasting of vanadium slag, vanadium slag clinker roasted by a rotary kiln is generally cooled rapidly by using vanadium liquid or production water and then enters a wet ball mill for fine grinding, and slag-liquid mixture after fine grinding is pumped into the next procedure for further treatment by a slag-slurry pump. Because the temperature of the slag-liquid mixture after the fine grinding by the wet ball mill is higher, a large amount of vanadium-containing steam can be generated at the outlet of the wet ball mill. In the prior art, steam is directly discharged into the atmosphere, and a slag-liquid mixture is directly pumped into the next working procedure through a slag slurry pump, and because the steam contains vanadium, the steam is directly discharged into the atmosphere to cause environmental pollution and influence the extraction rate of the vanadium; meanwhile, the slag-liquid mixture after fine grinding contains part of uncrushable impurities, and the normal use of the slag-liquid mixture is affected if the slag-liquid mixture enters the slag paddle pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wet ball mill steam recovery device, which aims to solve the problems that in the prior art, steam is directly discharged into the atmosphere, a slag-liquid mixture is directly injected into the next process through a slag-slurry pump, and because the steam contains vanadium, the steam is directly discharged into the atmosphere to cause environmental pollution and influence the vanadium extraction rate; meanwhile, the slag-liquid mixture after fine grinding contains part of uncrushable impurities, and the normal use of the slag-liquid mixture is affected if the slag-liquid mixture enters the slag paddle pump.
In order to achieve the above object, the utility model adopts the following technical scheme: the wet ball mill steam recovery device comprises a collecting cover, a main guide pipe and a condenser, wherein the collecting cover covers a discharge port of the wet ball mill and is used for receiving a steam and slag-liquid mixture produced by the wet ball mill; one end of the main duct is connected with the collecting cover; the condenser is connected with the other end of the main conduit and is used for condensing the steam transmitted by the main conduit.
As another embodiment of the application, the condenser comprises a shell, a cooling calandria and an air discharger, wherein the shell is provided with an air outlet communicated with the atmosphere; the cooling calandria is arranged in the shell, and one end of the cooling calandria extends out of the shell from the inside of the shell and is arranged in the atmosphere or is connected with a cold air source; the air discharger is connected with the other end of the cooling calandria and is used for driving the cooling calandria to suck cooling air.
As another embodiment of the application, the collecting cover is connected with the slag paddle pump through a liquid collecting groove, a liquid guiding chute pipe and a slag paddle pump groove, the liquid collecting groove is arranged below the collecting cover and is connected with the liquid guiding chute pipe through a valve, the liquid guiding chute pipe is connected with the slag paddle pump groove, and the slag paddle pump groove is connected with the slag paddle pump.
As another embodiment of this application, wet ball mill steam recovery unit still includes a branch pipe, and branch pipe one end links to each other with sediment oar pump trough, and the other end stretches into in the main duct, and the main duct slope sets up.
As another embodiment of the application, the cooling calandria is provided with a plurality of cooling calandria, the plurality of cooling calandria are arranged in a plurality of concentric circles, and the cooling calandria in each circle are distributed along the circumferential direction.
As another embodiment of the application, the condenser further comprises a dispersion hood, the dispersion hood is used for guiding steam to disperse towards the cooling calandria, and condensate formed by cooling the steam can slide along the upper plane of the dispersion hood.
As another embodiment of the present application, the distance between adjacent cooling tubes extending radially from the center of the circle enclosed by the cooling tubes decreases.
As another embodiment of the present application, a trumpet-shaped air suction opening is arranged at the bottom end of the cooling calandria.
As another embodiment of the application, the inner ribs are arranged on the inner wall of the cooling calandria and are uniformly distributed along the circumferential direction of the cooling calandria.
As another embodiment of the application, the collecting cover is provided with a mounting hole, and the intercepting flat screen is aligned with the mounting hole.
The utility model provides a wet ball mill steam recovery device's beneficial effect lies in: compared with the prior art, the utility model discloses wet ball mill steam recovery unit sets up and has collection cover, the condenser of holding back the flat screen, collects cover and condenser and passes through the main duct and link to each other. The mixture of steam and slag liquid produced by the wet ball mill flows into the collecting cover, wherein the slag liquid mixture flows to the slag paddle pump after impurities are filtered out by the intercepting flat screen, and the normal use of the slag paddle pump is ensured. Steam generated by the wet ball mill flows into the condenser through the main duct. The vanadium-containing steam is condensed into liquid and then flows into the collecting cover again from the main duct, and flows to the slag paddle pump after being filtered by the interception flat screen in the collecting cover for subsequent procedures. The condensation and recovery of the hot steam are carried out through the process, and the loss of the metal vanadium and the pollution of the vanadium-containing steam to the environment are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wet ball mill steam recovery device provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional structural view of the steam condenser of FIG. 1 taken along line A-A;
FIG. 3 is an enlarged view of a portion B of FIG. 2;
fig. 4 is a schematic structural view of the interception flat screen according to the embodiment of the present invention.
In the figure: 1. a wet ball mill; 2. a collection hood; 3. a door body; 4. mounting holes; 5. intercepting the flat screen; 6. A liquid collecting tank; 7. a valve; 8. a liquid guiding chute pipe; 9. a slag paddle pump tank; 10. a slag paddle pump; 11. a branch conduit; 12. a condenser; 13. an exhaust port; 14. an air discharger; 15. an outlet; 16. cooling the calandria; 17. A dispersion cover; 18. an air suction opening; 19. a main duct; 20. a guide hopper; 21. an inner rib; 22. a handle; 501. A framework; 502. and (4) screening.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a wet ball mill vapor recovery device according to the present invention will now be described. The wet ball mill steam recovery device comprises a collecting cover 2, a main guide pipe 19 and a condenser 12, wherein the collecting cover 2 covers a discharge port of the wet ball mill 1 and is used for receiving a steam and slag-liquid mixture produced by the wet ball mill 1, an intercepting flat screen 5 is arranged in the collecting cover 2, the collecting cover 2 is connected with a slag paddle pump 10, and the slag-liquid mixture flows into the slag paddle pump 10 after being filtered by the intercepting flat screen 5; one end of the main duct 19 is connected with the collecting hood 2; the condenser 12 is connected to the other end of the main duct 19, and the condenser 12 is used for condensing the steam delivered from the main duct 19.
The utility model provides a wet ball mill steam recovery unit compares with prior art, sets up and has collection cover 2, the condenser 12 of holding back flat screen 5, collects cover 2 and condenser 12 and links to each other through main duct 19. The mixture of steam and slag liquid produced by the wet ball mill 1 flows into the collecting cover 2, wherein the slag liquid mixture flows to the slag paddle pump 10 after impurities are filtered out by the interception flat screen 5, and the normal use of the slag paddle pump 10 is ensured. The steam generated by the wet ball mill 1 flows into the condenser 12 through the main duct 19. The vanadium-containing steam is condensed into liquid and then flows into the collecting hood 2 again from the main pipeline 19, and flows to the slag paddle pump 10 after being filtered by the interception flat screen 5 in the collecting hood 2 for subsequent processes. The condensation and recovery of the hot steam are carried out through the process, and the loss of the metal vanadium and the pollution of the vanadium-containing steam to the environment are reduced.
In this embodiment, the collecting hood 2 is connected to the main duct 19 via a trumpet-shaped guide funnel 20.
As a specific embodiment of the wet ball mill steam recycling device provided by the present invention, please refer to fig. 1, the condenser 12 includes a housing, a cooling pipe 16, and an air discharger 14, and the housing is provided with an exhaust port 13 communicated with the atmosphere; the cooling calandria 16 is arranged in the shell, one end of the cooling calandria extends out of the shell from the inside of the shell and is arranged in the atmosphere or is connected with a cold air source; the air discharger 14 is connected to the other end of the cooling rack pipe 16, and the air discharger 14 is used for driving the cooling rack pipe 16 to suck cooling air.
In this embodiment, since the casing of the condenser 12 is provided with the exhaust port 13, the exhaust port 13 communicates with the atmosphere. The pressure at the discharge outlet of the wet ball mill 1 is greater than atmospheric pressure so that the steam automatically moves along the main duct 19 towards the condenser 12. The hot steam exchanges heat with the cooling gas in the cooling exhaust pipes 16, and the steam is condensed and refluxed before reaching the exhaust port 13, thereby realizing recovery. In this embodiment, a smart structure is provided, and no external force is added, and the steam is automatically sucked into the condenser 12 and is automatically cooled by heat exchange through the cooling exhaust pipe 16.
In this embodiment, the air discharge 14 may be provided with a conventional suction fan arrangement or other arrangement to draw cool air into the cooling rows 16 and discharge it from the outlet 15 of the air discharge 14. Because the temperature of the steam discharged from the wet ball mill 1 is high, the steam can be cooled and condensed by air or cold air in a cold air source.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the collecting hood 2 is connected to the slag paddle pump 10 through the liquid collecting tank 6, the liquid guiding chute pipe 8 and the slag paddle pump tank 9, the liquid collecting tank 6 is disposed under the collecting hood 2, the liquid collecting tank 6 is connected to the liquid guiding chute pipe 8 through the valve 7, the liquid guiding chute pipe 8 is connected to the slag paddle pump tank 9, and the slag paddle pump tank 9 is connected to the slag paddle pump 10.
In this embodiment, the liquid collecting tank 6 is of an inverted triangle structure and is used for collecting and discharging a slag-liquid mixture after impurities are screened. The slag-liquid mixture in the collecting hood 2 is filtered by a retaining flat screen 5 and flows into a liquid collecting tank 6. The bottom end of the liquid collecting tank 6 is connected with a liquid guiding chute pipe 8 through a valve 7, and the valve 7 is arranged, so that the switching and the maintenance of a slurry pump are facilitated.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, the wet ball mill steam recycling device further includes a branch pipe 11, one end of the branch pipe 11 is connected to the slag pump tank 9, the other end extends into the main pipe 19, and the main pipe 19 is disposed in an inclined manner.
In this embodiment, the liquid flowing from the collecting hood 2 into the slag paddle pump tank 9 may generate steam due to heat or the like. One end of the branch conduit 11 is connected with the main conduit 19 through the slag paddle pump groove 9, and the other end extends into the main conduit 19, so that steam generated in the slag paddle pump groove 9 can flow into the main conduit 19 from the branch conduit 11 and enters the condenser 12 along with the steam in the main conduit 19 for condensation, and the steam recovery rate is improved.
In this embodiment, the end portions of the branch ducts 11 extend from the central portion of the main duct 19 into the main duct 19, and the end portions of the branch ducts 11 extend to the central portion of the branch ducts 11. The main duct 19 is inclined at an angle of 15-20 degrees to the horizontal so that the returning condensate can only flow along the main duct 19 and cannot flow into the branch ducts 11.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the cooling pipes 16 are disposed in a plurality of circles, the cooling pipes 16 are disposed in a concentric circle, and the cooling pipes 16 in each circle are uniformly distributed along the circumferential direction.
In this embodiment, a plurality of circles of cooling pipes 16 are arranged, and the cooling pipes 16 in each circle are arranged at intervals along the circumferential direction, so that the full contact with hot steam is facilitated, and the heat exchange is realized. In this embodiment, 4-8 turns of cooling gauntlets 16 are provided.
In this embodiment, the air discharging device 14 is provided with a plurality of connectors, and the connectors are connected with the cooling pipes 16 in a one-to-one correspondence manner, so as to ensure the flow rate of the cooling air in the cooling pipes 16.
As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 and fig. 2, the condenser 12 further includes a dispersion cover 17, the dispersion cover 17 is used for guiding the steam to disperse toward the cooling pipes 16, and the condensate formed by steam cooling can slide along the upper plane of the dispersion cover 17.
In this embodiment, the dispersing cover 17 is disposed in the middle of the condenser 12 to block the hot steam from flowing upward from the middle, so that the steam can only flow upward from between the cooling rows 16, and thus the steam is in full contact with the cooling rows 16. Condensate after steam cooling may fall on the upper plane of the dispersion cover 17, and the dispersion cover 17 is provided in the form of a pyramid cover, a cone cover, an obliquely arranged triangle, or the like, so that the condensate can be prevented from being accumulated on the dispersion cover 17, can fall from the upper plane of the dispersion cover 17, and flows back into the main conduit 19.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the distance between adjacent cooling pipes 16 extending along the radial direction from the center of the circle surrounded by the cooling pipes 16 decreases.
In this embodiment, a radial ray is emitted outward from the center of the circle surrounded by the cooling tubes 16, and the distance between adjacent cooling tubes 16 is increased and then decreased on the radial ray and toward the divergent direction of the radial ray. And the distance between the adjacent cooling calandria 16 is 1-3 cm, which is convenient for the cooling calandria 16 to fully contact with the steam.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a trumpet-shaped air suction opening 18 is disposed at the bottom end of the cooling calandria 16.
In this embodiment, the trumpet-shaped air suction opening 18 is provided to facilitate the suction of the cooling air into the cooling bank of tubes 16.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 3, the inner wall of the cooling pipe 16 is provided with inner ribs 21, and the inner ribs 21 are uniformly arranged along the circumferential direction of the cooling pipe 16.
In this embodiment, the inner ribs 21 are arc-shaped, the number of the ribs in each cooling tube bank 16 is 3-8, and the length of the inner ribs 21 is matched with the length of the cooling tube bank 16. The provision of the inner ribs 21 facilitates sufficient heat exchange of the cooling air with the steam.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, a door 3 is disposed on the collecting cover 2. The door body 3 is arranged, so that the throttle flat screen is convenient to detect and maintain.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 4, a mounting hole 4 is provided on the collecting cover 2, and the intercepting flat screen 5 is aligned with the mounting hole 4.
In the embodiment, the installation hole 4 is arranged, and when filtered sundries on the interception flat screen 5 are accumulated, an operator can hook out the sundries from the installation hole 4.
In this embodiment, the interception flat screen 5 includes a framework 501, a screen 502 and a handle 22, the screen 502 is disposed on the framework 501, the handle 22 is connected to the framework 501, and the screen 502 has a square hole of 4-8 mm. The interception flat screen 5 and the horizontal plane form an included angle of 3-7 degrees, and the interception flat screen 5 is lower at the side close to the mounting hole 4.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Wet ball mill steam recovery unit, its characterized in that includes:
the collecting cover is covered with a discharge hole of the wet ball mill and used for receiving a steam and slag-liquid mixture produced by the wet ball mill, an intercepting flat screen is arranged in the collecting cover, the collecting cover is connected with a slag paddle pump, and the slag-liquid mixture flows into the slag paddle pump after being filtered by the intercepting flat screen;
one end of the main duct is connected with the collecting cover;
and the condenser is connected with the other end of the main guide pipe and is used for condensing the steam transmitted by the main guide pipe.
2. The wet ball mill vapor recovery apparatus of claim 1, wherein the condenser comprises:
the air outlet communicated with the atmosphere is formed in the shell;
the cooling calandria is arranged in the shell, and one end of the cooling calandria extends out of the shell from the shell and is placed in the atmosphere or is connected with a cold air source;
and the air discharger is connected with the other end of the cooling calandria and is used for driving the cooling calandria to suck cooling air.
3. The wet ball mill vapor recovery apparatus according to claim 1, wherein the collection hood is connected to the slag paddle pump through a sump provided below the collection hood, a chute pipe connected to the chute pipe through a valve, and a slag paddle pump tank connected to the slag paddle pump.
4. A wet ball mill vapor recovery apparatus according to claim 3, further comprising a branch conduit having one end connected to the slurry pump tank and the other end extending into the main conduit, the main conduit being disposed obliquely.
5. The wet ball mill steam recovery device of claim 2, wherein the plurality of cooling gauntlets are arranged in a plurality of concentric circles, and the cooling gauntlets in each circle are distributed along the circumferential direction.
6. The wet ball mill vapor recovery device of claim 5, wherein the condenser further comprises a dispersion hood for guiding the vapor to disperse toward the cooling gauntlet, the condensate formed by the cooling of the vapor sliding along the upper plane of the dispersion hood.
7. A wet ball mill steam recovery device according to claim 5, wherein the distance between adjacent cooling gauntlets extending radially from the center of the circle enclosed by the cooling gauntlets decreases.
8. The apparatus for recycling steam from a wet ball mill according to claim 2, wherein the bottom end of the cooling rack pipe is provided with a trumpet-shaped air suction opening.
9. A wet ball mill vapor recovery apparatus according to claim 2, wherein inner ribs are provided on an inner wall of the cooling gauntlet tube, and the inner ribs are uniformly arranged in a circumferential direction of the cooling gauntlet tube.
10. A wet ball mill vapor recovery apparatus according to claim 1, wherein the collection hood is provided with mounting holes, and the intercepting flat screen is aligned with the mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992185.6U CN214439647U (en) | 2020-09-11 | 2020-09-11 | Wet ball mill steam recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021992185.6U CN214439647U (en) | 2020-09-11 | 2020-09-11 | Wet ball mill steam recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214439647U true CN214439647U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021992185.6U Expired - Fee Related CN214439647U (en) | 2020-09-11 | 2020-09-11 | Wet ball mill steam recovery device |
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| CN (1) | CN214439647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169927A (en) * | 2020-09-11 | 2021-01-05 | 河钢承德钒钛新材料有限公司 | Wet ball mill steam recovery device and steam recovery method |
-
2020
- 2020-09-11 CN CN202021992185.6U patent/CN214439647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169927A (en) * | 2020-09-11 | 2021-01-05 | 河钢承德钒钛新材料有限公司 | Wet ball mill steam recovery device and steam recovery method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |