CN210420090U - Stone coal navajoite curing production facility - Google Patents
Stone coal navajoite curing production facility Download PDFInfo
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- CN210420090U CN210420090U CN201921382732.6U CN201921382732U CN210420090U CN 210420090 U CN210420090 U CN 210420090U CN 201921382732 U CN201921382732 U CN 201921382732U CN 210420090 U CN210420090 U CN 210420090U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model discloses a stone coal vanadium ore curing production device, which belongs to the technical field of vanadium extraction from stone coal vanadium ore, and comprises a spiral feeding mechanism, wherein both ends of the spiral feeding mechanism are respectively provided with a feeding port and a discharging port, and a mixture of the stone coal vanadium ore and concentrated sulfuric acid is sent to the discharging port from the feeding port through the spiral feeding mechanism; the microwave heating mechanism comprises a microwave shell, and the spiral feeding mechanism is arranged in the microwave shell in a penetrating way; the slurrying mechanism comprises a slurry tank, the slurry tank is arranged below the discharge port, and a stirring structure is arranged in the slurry tank and is used for slurrying the stone coal vanadium ore clinker; and the negative pressure collecting mechanism is used for recycling the acid mist at the feed inlet and the discharge outlet. The continuous conveying, heating and curing of the mixture of the stone coal navajoite and the concentrated sulfuric acid are realized, the acid mist is recycled, in addition, the waste heat of the stone coal navajoite clinker is utilized to carry out slurry treatment on the stone coal navajoite clinker, and the conveying of the stone coal navajoite clinker is facilitated.
Description
Technical Field
The utility model relates to a stone coal navajoite carries vanadium technical field, especially relates to a stone coal navajoite curing production facility.
Background
Vanadium is a strategic metal and is widely applied in the fields of steel, metallurgy, chemical industry, new energy and the like. The stone coal vanadium ore is black carbonaceous shale, which is formed by piling up the dead low-sea low-grade bacteria and algae under the reducing condition. The stone coal vanadium ore usually contains vanadium except silicon, accounts for 30 percent of the total production raw materials of vanadium products in China, and is an important production raw material of vanadium products in China.
The existing method for extracting vanadium from stone coal vanadium ore mainly comprises two main types: roasting and acid leaching. The traditional vanadium extraction method of stone coal vanadium ore is a sodium roasting method, the production process of the method is simple, the process technology is mature, but the problems of low vanadium resource recovery rate, large three-waste discharge capacity and the like exist, and the existing national environmental protection discharge standard is difficult to meet. The acid leaching method mainly comprises a direct acid leaching method and a sulfuric acid curing method, and has the advantages of energy saving, cleanness, avoidance of the problems of a large amount of waste gas and the like generated by the traditional roasting method, and good application prospect. However, the direct acid leaching method is only suitable for treating weathered stone coal vanadium ore, and the vanadium extraction difficulty is high for the primary stone coal vanadium ore of which vanadium mainly exists in mica aluminosilicate minerals, and the sulfuric acid curing method can effectively treat the stone coal vanadium ore and can improve the leaching rate of vanadium.
The publication No. CN105483398A proposes a method for extracting vanadium from vanadium-containing mineral by aging, firstly, stone coal vanadium ore is crushed and ground to 5mm, 8% of water, 1% of phosphoric acid and 16% of concentrated sulfuric acid are respectively added, aging is carried out for 24h at 105 ℃, the clinker liquid-solid ratio is 2:1, leaching is carried out for 2h, and the leaching rate of vanadium is more than 85%. The publication No. CN102912123A provides a method for decomposing stone coal vanadium ore by sulfuric acid curing, firstly grinding the stone coal vanadium ore to 74 μm, then adding 3-8% of water, 3-8% of sodium sulfate and 15-30% of concentrated sulfuric acid, finally utilizing the concentrated sulfuric acid to release heat when meeting water, preserving heat and curing for 12-48 h, leaching the clinker at 85-100 ℃ for 2-10 h, wherein the liquid-solid ratio is 1.5: 1-3: 1, and the leaching rate of vanadium is more than 80%.
However, the existing sulfuric acid curing process is intermittent operation, the production process conditions are difficult to control, and the production efficiency is low. And the acid mist generated in the sulfuric acid curing process can not be collected in an organized manner, so that the sulfuric acid is wasted, and the environmental pollution is easily caused. Therefore, there is a need for a stone coal vanadium ore slaking apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stone coal navajoite curing production facility to solve the low and acid mist of producing of stone coal navajoite curing technology production efficiency who exists among the prior art and be difficult to the problem of retrieving.
As the conception, the utility model adopts the technical proposal that:
a stone coal vanadium ore curing production equipment comprises:
the two ends of the spiral feeding mechanism are respectively provided with a feeding hole and a discharging hole, and the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is sent to the discharging hole through the spiral feeding mechanism from the feeding hole;
the microwave heating mechanism comprises a microwave shell, and the spiral feeding mechanism is arranged in the microwave shell in a penetrating way;
the slurrying mechanism comprises a slurry tank, the slurry tank is arranged below the discharge port, and a stirring structure is arranged in the slurry tank and is used for slurrying the stone coal vanadium ore clinker;
and the negative pressure collecting mechanism is used for recycling the acid mist at the feed inlet and the discharge outlet.
Furthermore, the microwave heating mechanism further comprises a resonant cavity and a microwave source which are arranged in the microwave shell, the spiral feeding mechanism is arranged in the resonant cavity in a penetrating mode, and the microwave source is connected to the resonant cavity through a waveguide tube.
Further, the screw feeding mechanism comprises a driving assembly and a screw shaft connected with the driving assembly, and the two ends of the screw shaft are respectively provided with the feeding hole and the discharging hole.
Furthermore, spiral blades are arranged on the periphery of the spiral shaft, the spiral blades are contained in the furnace tube, and the furnace tube penetrates through the microwave shell.
Further, the furnace tube comprises a non-metal tube and two sections of metal tubes connected to two ends of the non-metal tube, the non-metal tube is located in the microwave shell, the two sections of metal tubes are located outside the microwave shell, and the feed inlet and the discharge outlet are respectively formed in the metal tubes.
Furthermore, one end, far away from the driving assembly, of the screw shaft is provided with a support, and the screw shaft can be rotatably arranged in the support through a sealing sleeve.
Furthermore, a water inlet and an air outlet are arranged on the slurry tank, and acid mist generated in the curing process of the mixture of the stone coal navajoite and the concentrated sulfuric acid is discharged from the air outlet.
Further, the negative pressure collecting mechanism comprises two collecting covers respectively arranged at the feed inlet and the discharge outlet and an absorption tower connected with the two collecting covers.
Further, the absorption tower comprises an absorption liquid circulation groove, a gas distribution plate, a first filler, a first nozzle, a second filler and a second nozzle which are sequentially arranged from bottom to top, the first nozzle and the second nozzle are respectively connected with the absorption liquid circulation groove, and the gas distribution plate is connected with the two collecting covers.
Further, the absorption liquid circulation tank is connected with the first nozzle and the second nozzle through pipelines, a circulating pump is arranged on the pipelines, the top of the absorption tower is connected with an induced draft pipe, and an induced draft fan is arranged on the induced draft pipe.
The utility model has the advantages that:
the utility model provides a stone coal navajoite curing production facility, heat and cure the mixture of stone coal navajoite and concentrated sulfuric acid through the microwave heating mechanism; the continuous treatment of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is realized through spiral continuous feeding and discharging, and the production efficiency is improved; the recycling of the acid mist is realized by arranging the negative pressure collecting mechanism; through setting up slurrying mechanism, can utilize the waste heat of stone coal navajoite grog to carry out the slurrying to stone coal navajoite grog and handle, be convenient for the transport of stone coal navajoite grog, be favorable to the leaching of later stage vanadium simultaneously.
Drawings
FIG. 1 is a schematic diagram of the stone coal vanadium ore curing production equipment provided by the utility model.
In the figure:
11. a feed inlet; 12. a discharge port; 13. a screw shaft; 131. helical leaves; 14. a drive motor; 15. a speed reducer; 161. a metal tube; 162. a non-metallic tube; 1621. a heat-insulating layer; 17. sealing sleeves; 18. a support member;
21. a microwave housing; 22. a voltage transformation system; 23. a resonant cavity; 24. a magnetron; 25. a waveguide; 26. a water cooling system; 27. a temperature detector;
31. a slurry tank; 311. a slurry outlet; 312. a water inlet; 313. an air outlet; 32. a stirring motor; 33. a stirring speed reducer; 34. a stirring blade;
40. an absorption tower; 41. a collection hood; 42. an absorption liquid circulation tank; 421. a circulation pump; 422. an induced draft pipe; 423. an induced draft fan; 43. a gas distribution plate; 44. a first filler; 45. a first nozzle; 46. a second filler; 47. a second nozzle; 48. a liquid distribution plate; 49. a demister.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Fig. 1 is a schematic diagram of stone coal vanadium ore slaking production equipment provided in this embodiment. As shown in figure 1, the stone coal vanadium ore curing production equipment comprises a screw feeding mechanism, a microwave heating mechanism, a slurrying mechanism and a negative pressure collecting mechanism. Wherein:
the spiral feeding mechanism comprises a driving assembly and a spiral shaft 13 connected with the driving assembly, the spiral shaft 13 is arranged in the furnace tube, a feeding hole 11 and a discharging hole 12 are respectively formed in two ends of the furnace tube, and the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is conveyed to the discharging hole 12 through the spiral shaft 13 through the feeding hole 11, namely, the conveying process of the concentrated sulfuric acid and the mixture of the stone coal vanadium ore is realized. The spiral feeding mechanism penetrates through a microwave shell 21 of the microwave heating mechanism, and the mixture of the concentrated sulfuric acid and the stone coal vanadium ore is heated and cured in the microwave shell 21, which is a heating and curing process of the mixture of the concentrated sulfuric acid and the stone coal vanadium ore. The slurrying mechanism comprises a slurry tank 31, the slurry tank 31 is arranged below the discharge port 12, a stirring structure is arranged in the slurry tank 31, the slurry tank 31 is used for carrying out slurrying treatment on the stone coal vanadium ore clinker discharged from the discharge port 12, specifically, the stone coal vanadium ore clinker is stirred to form slurry by adding water and stirring and utilizing the self waste heat of the stone coal vanadium ore clinker, so that the conveying of the stone coal vanadium ore clinker is facilitated, the leaching of vanadium is facilitated, and the slurrying process of the stone coal vanadium ore clinker is realized. The negative pressure collecting mechanism is used for recycling acid mist at the feed inlet 11 and the discharge outlet 12, the negative pressure collecting mechanism comprises two collecting covers 41 respectively arranged at the feed inlet 11 and the discharge outlet 12 and an absorption tower 40 connected with the two collecting covers 41, and the absorption tower 40 is used for recycling the acid mist discharged from the feed inlet 11 and the discharge outlet 12, which is a negative pressure recycling process of the acid mist. The utility model discloses an adopt above-mentioned screw feed mechanism, microwave heating mechanism, pulp mechanism and negative pressure to collect the mechanism, solved the problem that the acid mist that current stone coal navajoite curing technology production efficiency is low and produce is difficult to retrieve.
Specifically, the driving assembly comprises a driving motor 14 and a speed reducer 15, the speed reducer 15 is respectively connected with the driving motor 14 and the screw shaft 13, and the speed reducer 15 can adjust the rotating speed of the screw shaft 13, i.e. the feeding speed of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid can be adjusted. It is understood that the driving assembly may be formed as a hydraulic driving assembly or a pneumatic driving assembly, and the specific type of the driving assembly is not particularly limited.
Specifically, a support 18 is provided at an end of the screw shaft 13 away from the reducer 15, and the screw shaft 13 is rotatably provided in the support 18 by a gland 17. Gland 17 is preferably graphite or teflon support to provide sealing and wear resistance.
Specifically, the spiral shaft 13 is provided with spiral blades 131 around the circumference thereof, the spiral blades 131 are accommodated in the furnace tube, and the furnace tube is inserted into the microwave housing 21. The rotation direction of the spiral blade 131 and the rotation direction of the spiral shaft 13 are set, so that the mixture of the stone coal vanadium ore and the concentrated sulfuric acid can be conveyed from the feeding hole 11 to the discharging hole 12. In this embodiment, one screw shaft 13 is provided, but in other embodiments, two or more screw shafts 13 may be provided, and the screw blades 131 on each screw shaft 13 are offset to avoid the rotation of the adjacent screw shafts 13 interfering with each other. Preferably, the feeding port 11 is arranged above the furnace tube, and the discharging port 12 is arranged below the furnace tube, so that good feeding and discharging effects are achieved.
In order to realize the heating of concentrated sulfuric acid and the mixture of stone coal navajoite in the boiler tube, the boiler tube includes nonmetal pipe 162 and connects in two sections metal tube 161 at nonmetal pipe 162 both ends, nonmetal pipe 162 is located microwave shell 21, thereby it heats the mixture of stone coal navajoite and concentrated sulfuric acid in nonmetal pipe 162 to make the microwave pass, improve the heating effect, nonmetal pipe 162 outside still cladding has heat preservation 1621, of course in other embodiments, can also coat wave-absorbing material on nonmetal pipe 162's outer peripheral face, wave-absorbing material can be graphite alkene, carborundum, carbon fiber etc.. The two sections of metal pipes 161 are located outside the microwave shell 21, the two sections of metal pipes 161 are respectively provided with a feed inlet 11 and a discharge outlet 12, and the two sections of metal pipes 161 are hermetically connected to the microwave shell 21 through flanges, so that hard contact between the non-metal pipe 162 and the metal pipes 161 is avoided, and microwave leakage is prevented. Specifically, the non-metal tube 162 may be made of glass, corundum, teflon, or the like, and the metal tube 161 may be made of 316L stainless steel.
The microwave heating mechanism further includes a resonant cavity 23 and a microwave source disposed in the microwave housing 21, the non-metal tube 162 is disposed in the resonant cavity 23, and the microwave source is connected to the resonant cavity 23 through the waveguide tube 25. Specifically, the microwave source comprises a voltage transformation system 22 and a magnetron 24, wherein high voltage generated by the voltage transformation system 22 acts on the magnetron 24, the magnetron 24 forms microwave under the action of an electric field and a magnetic field, and then the microwave is introduced into the resonant cavity 23 through a waveguide 25, so that the mixture of the stone coal navajoite and the concentrated sulfuric acid in the non-metal pipe 162 in the resonant cavity 23 is heated. In order to avoid the excessive temperature of the magnetron 24 during the operation, the microwave heating mechanism provided in this embodiment further includes a water cooling system 26 for cooling the magnetron 24, and in other embodiments, the magnetron 24 may also be cooled by air cooling.
The number of the magnetrons 24 can be set according to the wave-absorbing performance of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid, when the wave-absorbing performance of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is poor, the number of the magnetrons 24 is relatively large, and when the wave-absorbing performance of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is good, the number of the magnetrons 24 is relatively small. A plurality of magnetrons 24 are arranged around the circumference of the resonant cavity 23, and the number of the above-mentioned waveguides 25 and magnetrons 24 is the same and corresponds one to one.
In addition, the stone coal vanadium ore curing production equipment provided by the embodiment further comprises a temperature detector 27, specifically, the temperature detector 27 is a thermocouple, and the thermocouple is used for measuring the temperature of the pipe wall of the non-metal pipe 162 and accordingly judging the temperature in the non-metal pipe 162, so as to ensure the heating temperature of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid, and enable the stone coal vanadium ore to be completely cured.
Specifically, in this embodiment, the slurry tank 31 is a closed cavity, and the slurry tank 31 is hermetically connected to the discharge port 12, that is, the acid mist discharged from the discharge port 12 also enters the slurry tank 31, so in order to recover the acid mist, the top of the slurry tank 31 is provided with an air outlet 313, and the acid mist discharged from the air outlet 313 can be collected by the negative pressure collecting mechanism. Of course, in other embodiments, the slurry tank 31 may also be a semi-closed cavity, that is, the discharge port 12 is not hermetically connected to the slurry tank 31, and the discharge port 313 does not need to be opened on the slurry tank 31. The stirring structure positioned in the slurry tank 31 comprises a stirring motor 32, a stirring reducer 33 and stirring blades 34, wherein the stirring reducer 33 is respectively connected with the stirring motor 32 and the stirring blades 34, and the stirring reducer 33 can adjust the rotating speed of the stirring blades 34, namely, the stirring speed of the stone coal vanadium ore clinker and the water can be adjusted. The top of the slurry tank 31 is provided with a water inlet 312 for feeding water into the slurry tank 31, and the bottom of the slurry tank 31 is provided with a slurry outlet 311 for discharging slurry formed by mixing the stone coal vanadium ore clinker and water in the slurry tank 31.
Through setting up the slurrying mechanism, can utilize the waste heat of stone coal navajoite grog, realize the slurrying of stone coal navajoite grog, consequently can directly carry through pump and pipeline, avoided the dust problem that easily appears in the stone coal navajoite grog transportation process, be favorable to serialization operation moreover, be favorable to later stage vanadium simultaneously to leach.
The negative pressure collecting mechanism comprises two collecting covers 41 arranged at the feed inlet 11 and the discharge outlet 12 and an absorption tower 40 connected with the collecting covers 41, and specifically, the collecting cover 41 at the discharge outlet 12 is specifically positioned above the gas outlet 313 of the slurry tank 31. Further, the absorption tower 40 comprises an absorption liquid circulation tank 42, a gas distribution plate 43, a first filler 44, a first nozzle 45, a second filler 46 and a second nozzle 47 which are sequentially arranged from top to bottom, the gas distribution plate 43 is connected with the two collection covers 41, an induced draft pipe 422 is arranged at the top of the absorption tower 40, an induced draft fan 423 is arranged on the induced draft pipe 422, and negative pressure is generated in the absorption tower 40 under the action of the induced draft fan 423, so that the acid mist can be absorbed into the absorption tower 40 through the collection covers 41. The gas distribution plate 43 is connected to the two collecting hoods 41 through a pipeline, and the acid mist discharged from the feed port 11 and the gas outlet 313 is collected by the collecting hoods 41, enters the gas distribution plate 43 through the pipeline, is uniformly sprayed out, and moves upward. The first packing 44 and the second packing 46 are common bulk packings such as raschig rings, pall rings, arc saddle rings, etc., and in the present embodiment, there is no particular limitation. The first nozzle 45 and the second nozzle 47 are connected to the absorption liquid circulation tank 42 through pipelines, the pipelines are provided with a circulation pump 421, under the action of the circulation pump 421, the absorption liquid is conveyed to the first nozzle 45 and the second nozzle 47, then the absorption liquid is sprayed downwards by the first nozzle 45 and the second nozzle 47 and is mixed and contacted with the rising acid mist, and the acid mist is absorbed by the absorption liquid or undergoes a neutralization reaction, so that the acid mist is recovered. Of course, during the feeding process, the dust generated from the stone coal navajoite is also sucked into the absorption tower 40 through the collection hood 41 and adsorbed in the absorption liquid.
The absorption tower 40 is also internally provided with a liquid distribution plate 48, and the liquid distribution plate 48 is arranged between the second filler 46 and the first nozzle 45 and is used for redistributing the absorption liquid sprayed by the second nozzle 47, reducing the influence of the wall flow effect of the downward flow of the absorption liquid and realizing the full contact of the absorption liquid with the acid mist and the dust. In addition, a demister 49 is disposed above the second nozzle 47 to trap the absorption liquid carried in the gas and prevent the gas discharged from the draft tube 422 from carrying a large amount of the absorption liquid.
In summary, the stone coal vanadium ore curing production equipment provided by the embodiment heats the mixture of the stone coal vanadium ore and the concentrated sulfuric acid through the microwave heating mechanism, so that the heating process is controllable; the continuous treatment of the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is realized through spiral continuous feeding and discharging, and the production efficiency is improved; the recycling of the acid mist is realized by arranging the negative pressure collecting mechanism; through setting up slurrying mechanism, can utilize the waste heat of stone coal navajoite grog to carry out the slurrying to stone coal navajoite grog and handle, be convenient for the transport of stone coal navajoite grog, be favorable to the leaching of later stage vanadium simultaneously.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a stone coal navajoite curing production facility which characterized in that includes:
the two ends of the spiral feeding mechanism are respectively provided with a feeding hole (11) and a discharging hole (12), and the mixture of the stone coal vanadium ore and the concentrated sulfuric acid is sent to the discharging hole (12) through the spiral feeding mechanism from the feeding hole (11);
the microwave heating mechanism comprises a microwave shell (21), and the spiral feeding mechanism is arranged in the microwave shell (21) in a penetrating manner;
the slurrying mechanism comprises a slurry tank (31), wherein the slurry tank (31) is arranged below the discharge hole (12), and a stirring structure is arranged in the slurry tank and is used for slurrying the stone coal vanadium ore clinker;
and the negative pressure collecting mechanism is used for recycling the acid mist at the feed inlet (11) and the discharge outlet (12).
2. The stone coal navajoite maturing production facility of claim 1, characterized in that the microwave heating mechanism further includes a resonant cavity (23) and a microwave source that are arranged in the microwave housing (21), the screw feeding mechanism is arranged in the resonant cavity (23) in a penetrating manner, and the microwave source is connected to the resonant cavity (23) through a waveguide (25).
3. The stone coal vanadium ore curing production equipment according to claim 1, wherein the screw feeding mechanism comprises a driving assembly and a screw shaft (13) connected with the driving assembly, and the two ends of the screw shaft (13) are respectively provided with the feeding hole (11) and the discharging hole (12).
4. The stone coal vanadium ore curing production equipment according to claim 3, wherein the screw shaft (13) is provided with screw blades (131) on the circumference thereof, the screw blades (131) are accommodated in a furnace tube, and the furnace tube is inserted into the microwave housing (21).
5. The stone coal navajoite maturation production equipment according to claim 4, wherein said furnace tube includes a non-metal tube (162) and two sections of metal tubes (161) connected to both ends of said non-metal tube (162), said non-metal tube (162) is located inside said microwave housing (21), said two sections of metal tubes (161) are located outside said microwave housing (21), and said feed inlet (11) and said discharge outlet (12) are opened respectively.
6. The stone coal vanadium ore curing production equipment according to claim 3, wherein a support (18) is provided at one end of the screw shaft (13) far from the driving assembly, and the screw shaft (13) is rotatably provided in the support (18) by a sealing sleeve (17).
7. The stone coal navajoite maturing production facility according to claim 1, characterized in that the slurry tank (31) is provided with a water inlet (312) and a gas outlet (313), and acid mist generated during the maturing of the stone coal navajoite and the concentrated sulfuric acid mixture is discharged from the gas outlet (313).
8. The stone coal vanadium ore curing production equipment according to claim 1, wherein the negative pressure collecting mechanism includes two collecting hoods (41) respectively provided at the feed port (11) and the discharge port (12), and an absorption tower (40) connected to the two collecting hoods (41).
9. The stone coal vanadium ore curing production equipment according to claim 8, wherein the absorption tower (40) comprises an absorption liquid circulation tank (42), a gas distribution plate (43), a first filler (44), a first nozzle (45), a second filler (46) and a second nozzle (47) which are arranged from bottom to top in sequence, the first nozzle (45) and the second nozzle (47) are respectively connected with the absorption liquid circulation tank (42), and the gas distribution plate (43) is connected with the two collecting covers (41).
10. The stone coal navajoite maturation production apparatus according to claim 9, wherein the absorption liquid circulation tank (42) is connected to the first nozzle (45) and the second nozzle (47) through a pipe, a circulation pump (421) is provided on the pipe, an induced draft pipe (422) is connected to the top of the absorption tower (40), and an induced draft fan (423) is provided on the induced draft pipe (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382732.6U CN210420090U (en) | 2019-08-23 | 2019-08-23 | Stone coal navajoite curing production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382732.6U CN210420090U (en) | 2019-08-23 | 2019-08-23 | Stone coal navajoite curing production facility |
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| CN210420090U true CN210420090U (en) | 2020-04-28 |
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| CN201921382732.6U Active CN210420090U (en) | 2019-08-23 | 2019-08-23 | Stone coal navajoite curing production facility |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114807592A (en) * | 2022-04-29 | 2022-07-29 | 武汉科技大学 | Box type microwave treatment device for enhancing ore grinding and leaching efficiency of vanadium shale |
| CN114807631A (en) * | 2022-04-29 | 2022-07-29 | 武汉科技大学 | Continuous microwave treatment device for enhancing ore grinding and leaching efficiency of vanadium shale |
-
2019
- 2019-08-23 CN CN201921382732.6U patent/CN210420090U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114807592A (en) * | 2022-04-29 | 2022-07-29 | 武汉科技大学 | Box type microwave treatment device for enhancing ore grinding and leaching efficiency of vanadium shale |
| CN114807631A (en) * | 2022-04-29 | 2022-07-29 | 武汉科技大学 | Continuous microwave treatment device for enhancing ore grinding and leaching efficiency of vanadium shale |
| CN114807631B (en) * | 2022-04-29 | 2023-10-20 | 武汉科技大学 | Continuous microwave treatment device for strengthening grinding and leaching efficiency of vanadium shale |
| CN114807592B (en) * | 2022-04-29 | 2024-02-09 | 武汉科技大学 | Box type microwave treatment device for strengthening grinding and leaching efficiency of vanadium shale |
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