CN113754111A - Chromium-based spinel production process and equipment - Google Patents
Chromium-based spinel production process and equipment Download PDFInfo
- Publication number
- CN113754111A CN113754111A CN202111034383.0A CN202111034383A CN113754111A CN 113754111 A CN113754111 A CN 113754111A CN 202111034383 A CN202111034383 A CN 202111034383A CN 113754111 A CN113754111 A CN 113754111A
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- plate
- baffle
- chromium
- box body
- box
- Prior art date
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 25
- 239000011651 chromium Substances 0.000 title claims abstract description 25
- 229910052596 spinel Inorganic materials 0.000 title claims abstract description 25
- 239000011029 spinel Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 238000011221 initial treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000001994 activation Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- -1 Transition metal chalcogenide Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005293 ferrimagnetic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/802—Device for changing the inclination of the filtering element
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a production process and equipment of chromium-based spinel, and relates to the technical field of spinel production. The technical scheme is characterized by comprising a PH adjusting tank, a reaction kettle, a filtering device, a drying device, a roasting furnace and a sorting device; filter equipment is including open-top's box, be provided with the filter in the box, filter one end is articulated with the box, the other end is the free end, be provided with the electric jar on the diapire in the box, the output and the filter free end bottom wall of electric jar are articulated, the discharge gate has been seted up on the box lateral wall, be provided with the baffle that is used for sealing the discharge gate in the box, baffle and box sliding connection, the filter free end moves down and promotes the baffle to the discharge gate under the electric jar driving action and opens, the box is connected with the slant delivery board that is located between discharge gate and the drying equipment. The invention has the advantages of simple process, low cost and realization of the effect of resource utilization of waste.
Description
Technical Field
The invention relates to the technical field of spinel production, in particular to a chromium-based spinel production process and equipment.
Background
Transition metal chalcogenide spinel compounds such as CdCr2S4 and Cd0.97ln0.03Cr2S4 are typical electron strongly-associated materials. The charge, spin and orbit degrees of freedom are highly coupled, so that the system shows various special physical properties, such as colossal magnetoresistance (capacitance), kerr rotation, magnetostriction and the like, and the system determines the wide prospect in the field of optical introduction.
MnCr2S4 is a ferrimagnetic semiconductor whose polycrystalline activation energy is only one third of the single crystal activation energy. The resistivity of MnCr2S4 single crystal conforms to the thermal activation model, while the polycrystalline resistivity is better described by the variable path transition model at low temperatures. The difference in activation energy may be caused by impurities in the polycrystal, and the activation energy of the single crystal more reflects the intrinsic characteristics of MnCr2S 4.
Disclosure of Invention
The invention aims to provide a production process and equipment of chromium-based spinel, which have the advantages of simple flow and low cost and realize resource utilization of wastes.
The above object of the present invention is achieved by the following technical solutions:
a chromium-based spinel production device comprises a PH adjusting tank, a reaction kettle, a filtering device, a drying device, a roasting furnace and a sorting device, wherein the PH adjusting tank is connected with the reaction kettle through a pipeline and a pump body, a feed opening is formed in the reaction kettle, the filtering device is arranged below the feed opening of the reaction kettle, the filtering device is connected with the drying device, and the drying device sequentially conveys materials to the roasting furnace and the sorting device through a conveying belt;
the filter equipment is including open-top's box, be provided with the filter in the box, filter one end is articulated with the box, and the other end is the free end, be provided with the electric jar on the diapire in the box, the output and the filter free end bottom wall of electric jar are articulated, set up the discharge gate that is located filter free end below on the box lateral wall, be provided with the baffle that is used for sealing the discharge gate in the box, baffle and box sliding connection, the filter free end moves down and promotes the baffle to the discharge gate under the electric jar driving action and opens, the box is connected with the slant delivery board that is located discharge gate department, the one end that the box was kept away from to the slant delivery board is connected to drying equipment and is less than the one end of being connected with the box.
The invention is further configured to: the top of the baffle is provided with a transverse plate, and the transverse plate is in direct contact with the transverse plate when the filter plate rotates and pushes the baffle to move.
The invention is further configured to: two L-shaped sliding plates located on two sides of the discharge port are arranged on the inner side wall of the box body in the vertical direction, a sliding groove is formed between each sliding plate and the inner side wall of the box body, and each baffle is connected with the corresponding sliding groove in a sliding mode.
The invention is further configured to: and the bottom of the sliding chute is provided with a limiting plate for preventing the baffle from being separated from the sliding chute from the bottom of the sliding chute.
The invention is further configured to: and a spring for driving the baffle to slide to the closed discharge hole is arranged between the limiting plate and the baffle.
The invention is further configured to: and a rubber cushion pad is arranged at the top of the transverse plate.
The invention is further configured to: and two sides of the inclined conveying plate are provided with protective plates along the length direction of the inclined conveying plate.
The second aim of the invention is realized by the following technical scheme:
a production process of chromium-based spinel comprises the following steps:
pouring the chromium-containing wastewater after initial treatment into a pH adjusting tank to adjust the pH value of the chromium-containing wastewater, and continuously stirring;
pumping the solution in the pH adjusting tank into a reaction kettle, adding a magnesium-containing solution and sulfate into the reaction kettle, and continuously stirring for reaction for 30min to obtain a reactant;
feeding the reactant into a filtering device to realize solid-liquid separation, feeding the separated solid into drying equipment to be dried and dehydrated, and roasting the dried solid in a roasting furnace;
and (4) sorting the roasted solid by using sorting equipment to select the spinel with the specification meeting the standard.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the method has the advantages that all production processes of the chromium-based spinel are realized through the arrangement of the PH adjusting tank, the reaction kettle, the filtering device, the drying equipment, the roasting furnace and the sorting equipment, the process is simple, the automatic filtering and transferring of intermediate products in the production process of the chromium-based spinel are realized through the arrangement of the box body, the filtering plate, the electric cylinder, the discharging port, the baffle plate and the inclined conveying plate, and the labor cost is reduced;
2. through the arrangement of the transverse plates, the contact area between the filter plate and the baffle plate is increased, so that the process that the filter plate pushes the baffle plate to move is more stable;
3. through the setting of spring, when the filter upwards moves under the effect of electric jar, remove the pressure of filter to the baffle, under the effect of spring, the baffle can automatic re-setting to sealing the discharge gate, and whole process is with low costs and simple, reliable.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
FIG. 2 is a schematic view of the structure of a filter device according to an embodiment of the present invention;
FIG. 3 is a top view of a filter assembly according to an embodiment of the present invention.
In the figure, 1, a PH adjusting tank; 11. a reaction kettle; 12. a filtration device; 13. a drying device; 14. roasting furnace; 15. a sorting device; 2. a box body; 21. a filter plate; 22. an electric cylinder; 23. a discharge port;
24. a baffle plate; 25. an inclined conveying plate; 26. a transverse plate; 27. a slide plate; 28. a chute; 29. a rubber cushion pad; 3. a limiting plate; 31. a spring; 32. and (4) a protective plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, the chromium-based spinel production equipment disclosed by the invention comprises a PH adjusting tank 1, a reaction kettle 11, a filtering device 12, a drying device 13, a roasting furnace 14 and a sorting device 15, wherein the PH adjusting tank 1 is connected with the reaction kettle 11 through a pipeline and a pump body, the reaction kettle 11 is provided with a feed opening, the filtering device 12 is arranged below the feed opening of the reaction kettle 11, the filtering device 12 is connected with the drying device 13, and the drying device 13 sequentially conveys materials to the roasting furnace 14 and the sorting device 15 through a conveying belt.
The material transfer between the filtering device 12 and the drying device 13 usually requires manual carrying, blanking and loading, which increases the labor cost of production investment. In order to solve the problem, the structure is reformed on the existing basis as follows: referring to fig. 2 and 3, the filtering device 12 includes a box 2 with an open top, a filter 21 is arranged in the box 2, one end of the filter 21 is hinged to the box 2, the other end of the filter is a free end, an electric cylinder 22 is arranged on the bottom wall of the box 2, the output end of the electric cylinder 22 is hinged to the bottom wall of the free end of the filter 21, a discharge port 23 located below the free end of the filter 21 is arranged on the side wall of the box 2, a baffle 24 used for sealing the discharge port 23 is arranged in the box 2, the baffle 24 is slidably connected with the box 2, and the free end of the filter 21 moves downwards under the driving action of the electric cylinder 22 and pushes the baffle 24 to be opened to the discharge port 23.
The box body 2 is connected with an inclined conveying plate 25 positioned at the discharge port 23, and one end of the inclined conveying plate far away from the box body 2 is connected to the drying equipment 13 and is lower than one end connected with the box body 2. Protection plates 32 are arranged on two sides of the inclined conveying plate 25 along the length direction of the inclined conveying plate, and the materials are completely conveyed to the drying equipment 13.
In order to ensure that the filter plate 21 is always in contact with the baffle plate 24 in the rotating process, the transverse plate 26 is arranged at the top of the baffle plate 24, the width of the surface of the transverse plate 26 is larger than the thickness of the baffle plate 24, the filter plate 21 is in direct contact with the transverse plate 26 when the filter plate 21 rotates and pushes the baffle plate 24 to move, the contact area between the filter plate 21 and the baffle plate 24 is increased, and the moving reliability of the baffle plate 24 is ensured. The top of the transverse plate 26 is provided with a rubber cushion 29, so that rigid collision is changed into flexible collision, and the effect of protecting parts of equipment is achieved.
In order to realize that the baffle plate 24 slides along the box body 2 relative to the discharge port 23, two L-shaped sliding plates 27 positioned at two sides of the discharge port 23 are arranged on the inner side wall of the box body 2 along the vertical direction, a sliding groove 28 is formed between the sliding plates 27 and the inner side wall of the box body 2, and the baffle plate 24 is connected with the sliding groove 28 in a sliding manner. The bottom of the sliding chute 28 is provided with a limit plate 3 which prevents the baffle plate 24 from separating from the sliding chute 28 from the bottom of the sliding chute 28.
A spring 31 for driving the baffle plate 24 to slide to close the discharge hole 23 is arranged between the limit plate 3 and the baffle plate 24. When the electric cylinder 22 drives the filter plate 21 to rotate upwards, the baffle 24 loses the external force action exerted by the filter plate 21, and under the action of the spring 31, the baffle 24 automatically resets to re-close the discharge hole 23, so that the next filtering work is guaranteed.
Example two:
the invention discloses a production process of chromium-based spinel, which utilizes equipment disclosed in the first embodiment and comprises the following production steps:
pouring the chromium-containing wastewater after initial treatment into a pH adjusting tank 1 to adjust the pH value of the chromium-containing wastewater, and continuously stirring;
pumping the solution in the pH adjusting tank 1 into a reaction kettle 11, adding a magnesium-containing solution and sulfate into the reaction kettle 11, and continuously stirring for reaction for 30min to obtain a reactant;
the reactant is sent into a filtering device 12 to realize solid-liquid separation, the separated solid is sent into a drying device 13 to be dried and dehydrated, and the dried solid is roasted in a roasting furnace 14;
the calcined solid is sorted by a sorting device 15 to select spinel meeting the standard.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A chromium-based spinel production equipment is characterized in that: the device comprises a PH adjusting tank (1), a reaction kettle (11), a filtering device (12), a drying device (13), a roasting furnace (14) and a sorting device (15), wherein the PH adjusting tank (1) is connected with the reaction kettle (11) through a pipeline and a pump body, a feed opening is formed in the reaction kettle (11), the filtering device (12) is arranged below the feed opening of the reaction kettle (11), the filtering device (12) is connected with the drying device (13), and the drying device (13) sequentially conveys materials to the roasting furnace (14) and the sorting device (15) through a conveying belt;
the filter device (12) comprises a box body (2) with an opening at the top, a filter plate (21) is arranged in the box body (2), one end of the filter plate (21) is hinged with the box body (2), the other end of the filter plate is a free end, an electric cylinder (22) is arranged on the inner bottom wall of the box body (2), the output end of the electric cylinder (22) is hinged with the bottom wall of the free end of the filter plate (21), a discharge hole (23) positioned below the free end of the filter plate (21) is formed in the side wall of the box body (2), a baffle (24) used for sealing the discharge hole (23) is arranged in the box body (2), the baffle (24) is in sliding connection with the box body (2), the free end of the filter plate (21) moves downwards under the driving action of the electric cylinder (22) and pushes the baffle (24) to the discharge hole (23) to be opened, the box body (2) is connected with an inclined conveying plate (25) positioned at the discharge hole (23), one end, far away from the box body (2), of the inclined conveying plate (25) is connected to the drying equipment (13) and is lower than one end connected with the box body (2).
2. The chromium-based spinel production equipment of claim 1, wherein: the top of the baffle plate (24) is provided with a transverse plate (26), and the transverse plate (26) is in direct contact with the transverse plate (26) when the filter plate (21) rotates and pushes the baffle plate (24) to move.
3. A chromium-based spinel production apparatus according to claim 2, wherein: two L-shaped sliding plates (27) located on two sides of the discharging port (23) are arranged on the inner side wall of the box body (2) in the vertical direction, a sliding groove (28) is formed between each sliding plate (27) and the inner side wall of the box body (2), and the baffle plates (24) are connected with the sliding grooves (28) in a sliding mode.
4. A chromium-based spinel production apparatus according to claim 3, wherein: and a limiting plate (3) for preventing the baffle (24) from being separated from the sliding chute (28) from the bottom of the sliding chute (28) is arranged at the bottom of the sliding chute (28).
5. The chromium-based spinel production equipment of claim 4, wherein: and a spring (31) for driving the baffle (24) to slide to the closed discharge hole (23) is arranged between the limiting plate (3) and the baffle (24).
6. The chromium-based spinel production equipment of claim 5, wherein: and a rubber cushion pad (29) is arranged at the top of the transverse plate (26).
7. The chromium-based spinel production equipment of claim 6, wherein: protection plates (32) are arranged on two sides of the inclined conveying plate (25) along the length direction of the inclined conveying plate.
8. A production process of chromium-based spinel is characterized by comprising the following steps:
pouring the chromium-containing wastewater after initial treatment into a PH adjusting tank (1) to adjust the PH value of the chromium-containing wastewater, and continuously stirring;
pumping the solution in the pH adjusting tank (1) into a reaction kettle (11), adding a magnesium-containing solution and sulfate into the reaction kettle (11), and continuously stirring for reaction for 30min to obtain a reactant;
the reactant is sent into a filtering device (12) to realize solid-liquid separation, the separated solid is sent into a drying device (13) to be dried and dehydrated, and the dried solid is roasted in a roasting furnace (14);
sorting the roasted solid by using a sorting device (15) to select the spinel with the specification meeting the standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111034383.0A CN113754111A (en) | 2021-09-03 | 2021-09-03 | Chromium-based spinel production process and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111034383.0A CN113754111A (en) | 2021-09-03 | 2021-09-03 | Chromium-based spinel production process and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113754111A true CN113754111A (en) | 2021-12-07 |
Family
ID=78793061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111034383.0A Pending CN113754111A (en) | 2021-09-03 | 2021-09-03 | Chromium-based spinel production process and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113754111A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105418060A (en) * | 2016-01-07 | 2016-03-23 | 马鞍山市安工大工业技术研究院有限公司 | Method for preparing material with picotite through stainless steel slag |
| CN210874303U (en) * | 2019-10-11 | 2020-06-30 | 上海克龙化工技术有限公司 | Filter equipment for chemical equipment |
| CN112057930A (en) * | 2020-09-14 | 2020-12-11 | 陈乃友 | Stifled formula processing apparatus is prevented to chemical waste liquid |
| CN212974324U (en) * | 2020-07-09 | 2021-04-16 | 苏州凯旭净化设备有限公司 | Filter equipment for water treatment |
| CN213675607U (en) * | 2020-06-26 | 2021-07-13 | 魏博文 | Medical treatment administrative or technical offices use high-efficient refuse treatment case |
-
2021
- 2021-09-03 CN CN202111034383.0A patent/CN113754111A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105418060A (en) * | 2016-01-07 | 2016-03-23 | 马鞍山市安工大工业技术研究院有限公司 | Method for preparing material with picotite through stainless steel slag |
| CN210874303U (en) * | 2019-10-11 | 2020-06-30 | 上海克龙化工技术有限公司 | Filter equipment for chemical equipment |
| CN213675607U (en) * | 2020-06-26 | 2021-07-13 | 魏博文 | Medical treatment administrative or technical offices use high-efficient refuse treatment case |
| CN212974324U (en) * | 2020-07-09 | 2021-04-16 | 苏州凯旭净化设备有限公司 | Filter equipment for water treatment |
| CN112057930A (en) * | 2020-09-14 | 2020-12-11 | 陈乃友 | Stifled formula processing apparatus is prevented to chemical waste liquid |
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Application publication date: 20211207 |
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| RJ01 | Rejection of invention patent application after publication |