CN209853746U - System for preparing desulfurized gypsum from pyrite - Google Patents
System for preparing desulfurized gypsum from pyrite Download PDFInfo
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- CN209853746U CN209853746U CN201920496845.2U CN201920496845U CN209853746U CN 209853746 U CN209853746 U CN 209853746U CN 201920496845 U CN201920496845 U CN 201920496845U CN 209853746 U CN209853746 U CN 209853746U
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- heat recovery
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- recovery case
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a system for pyrite preparation desulfurization gypsum, including rotary hearth furnace, heat recovery case and carbide slag thick liquid case, the rotary hearth furnace passes through the intake pipe and is connected with the heat recovery case, the heat recovery case passes through the outlet duct and is connected with carbide slag thick liquid case, the internally mounted of heat recovery case has the heat conduction spiral pipe. The utility model discloses a heat recovery case has been set up, flue gas after the high temperature heating is retrieved the heat through heat recovery case and is being let in carbide slag slurry case preparation desulfurization gypsum, through having set up the heat preservation, the thermal insulation performance of heat recovery case has been improved, heat conduction spiral pipe through adopting the heat conduction material preparation with heat transfer to the aqueous solution in, thereby boil water and produce steam, provide steam for steam generator through the steam pipe, thereby realize heat recovery and steam power generation, the heat that produces in the unable effectual recovery pyrite preparation desulfurization gypsum of prior art has been solved, the problem that leads to the energy waste.
Description
Technical Field
The utility model relates to an ore processing technology field specifically is a system of pyrite preparation desulfurization gypsum.
Background
Pyrite is an iron disulfide. Pyrite is also called "fooling gold" because it is misled into being gold due to its light brass color and bright metallic luster. The pyrite component generally contains cobalt, nickel and selenium, and has a NaCl type crystal structure. Those having the same composition and belonging to the orthorhombic system are called "Baibeite". Trace elements such as cobalt, nickel, copper, gold, selenium and the like are also commonly present in the components. When the content is higher, the sulfur can be comprehensively recovered and utilized in the process of extracting sulfur. Pyrite is unstable in oxidation zones and is easily decomposed to form iron hydroxide such as goethite and the like, and stable limonite can be formed through dehydration, and the false appearance is often formed by pyrite. This action often forms limonite, goethite, lepidocrocite, etc. on the exposed surface of the metal deposit oxidation zone, covering the ore body, and is called an iron cap.
The main component of the desulfurized gypsum, also called flue gas desulfurization gypsum, sulfur gypsum or FGD gypsum, is the same as natural gypsum, and is calcium sulfate dihydrate CaSO 4.2H 2O, and the content is more than or equal to 93 percent. Desulfurized gypsum is a byproduct in an FGD process, in the prior art, pyrite is dried and then added into a rotary hearth furnace for baking, flue gas generated after baking is introduced into carbide slag slurry to prepare desulfurized gypsum, the flue gas generated by the rotary hearth furnace is heated at a high temperature of 1300 ℃, the heat of the flue gas cannot be effectively recovered in the prior art, and energy waste is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a system of pyrite preparation desulfurization gypsum possesses and carries out recycle to the flue gas heat, and the heat that produces in the unable effectual recovery pyrite preparation desulfurization gypsum of prior art has been solved to energy-concerving and environment-protective advantage, leads to the extravagant problem of the energy.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a system for pyrite preparation desulfurization gypsum, includes rotary hearth furnace, heat recovery case and carbide slag thick liquid case, the rotary hearth furnace passes through the intake pipe and is connected with the heat recovery case, the heat recovery case passes through the outlet duct and is connected with carbide slag thick liquid case, the internally mounted of heat recovery case has the heat conduction spiral pipe, the intake pipe is connected with the one end of heat conduction spiral pipe, the outlet duct is connected with the heat conduction spiral pipe other end, the inner wall of heat recovery case is provided with the heat preservation, the top of heat recovery case is connected with steam generator through the steam pipe, the inside packing of heat recovery case has the aqueous solution.
Preferably, the side surface of the heat energy recovery tank is communicated with a water inlet pump through a water delivery pipe, and the water inlet pump is connected with the cold water tank through the water delivery pipe.
Preferably, the side of the heat energy recovery box is connected with a drainage pump through a water pipe, the drainage pump is connected with a rotary hearth furnace air outlet pipe through a water pipe, and the tops of the cold water tank and the rotary hearth furnace air outlet pipe are provided with water inlet and outlet pipes.
Preferably, the surface of the heat energy recovery box is provided with an observation window, and the surface of the heat energy recovery box is provided with an electric cabinet.
Preferably, the surface of the electric cabinet is fixedly connected with a display screen and a control button, a loudspeaker is installed on the side surface of the electric cabinet, and the electric cabinet is respectively and electrically connected with the water inlet pump, the drainage pump, the display screen, the control button and the loudspeaker.
Preferably, the bottom fixedly connected with power cord of electric cabinet, the bottom of heat recovery incasement wall is provided with temperature sensor, temperature sensor and electric cabinet electric connection, the power cord is the electric cabinet power supply.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a heat recovery case has been set up, flue gas after the high temperature heating is retrieved the heat through heat recovery case and is being let in carbide slag slurry case preparation desulfurization gypsum, through having set up the heat preservation, the thermal insulation performance of heat recovery case has been improved, heat conduction spiral pipe through adopting the heat conduction material preparation with heat transfer to the aqueous solution in, thereby boil water and produce steam, provide steam for steam generator through the steam pipe, thereby realize heat recovery and steam power generation, the heat that produces in the unable effectual recovery pyrite preparation desulfurization gypsum of prior art has been solved, the problem that leads to the energy waste.
2. The utility model discloses a cold water storage cistern and hot-water tank have been set up, the cold water storage cistern can be for heat recovery case make-up water, still can not regard as the steam method electricity generation with heat energy, but turn into hot water, when temperature sensor detects the temperature and reaches a definite value, for example when 75 ℃, the drain pump is in with hot water suction hot-water tank, and supply cold water for heat recovery case through the cold water storage cistern, through having set up the observation window, make things convenient for the staff to observe the water level variation in the heat recovery case, still can use the level gauge to replace the observation window, through having set up the speaker, through having set up the electric cabinet, make things convenient for the operation of staff control each electrical apparatus, remind the staff through the speaker when the temperature.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the heat energy recovery box of the present invention;
fig. 3 is the structure schematic diagram of the electric cabinet of the utility model.
In the figure: the device comprises a rotary hearth furnace 1, an air inlet pipe 2, a heat energy recovery box 3, an air outlet pipe 4, a carbide slag slurry box 5, a heat conduction spiral pipe 6, a heat preservation layer 7, a steam pipe 8, a steam generator 9, a water delivery pipe 10, a water inlet pump 11, a cold water tank 12, a drainage pump 13, a hot water tank 14, a water inlet pipe 15, a water outlet pipe 16, an observation window 16, an electric cabinet 17, a power line 18, a display screen 19, a control button 20, a loudspeaker 21 and a temperature sensor 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The rotary hearth furnace 1, the air inlet pipe 2, the heat energy recovery box 3, the air outlet pipe 4, the carbide slag slurry box 5, the heat conduction spiral pipe 6, the heat preservation layer 7, the steam pipe 8, the steam generator 9, the water delivery pipe 10, the water inlet pump 11, the cold water tank 12, the drain pump 13, the hot water tank 14, the water inlet and outlet pipe 15, the observation window 16, the electric cabinet 17, the power cord 18, the display screen 19, the control button 20, the loudspeaker 21 and the temperature sensor 22 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the rotary hearth furnace are all known by technicians or known by conventional experimental methods.
Referring to fig. 1-3, a system for preparing desulfurized gypsum from pyrite comprises a rotary hearth furnace 1, a heat energy recovery tank 3 and a carbide slag slurry tank 5, wherein the rotary hearth furnace 1 is connected with the heat energy recovery tank 3 through an air inlet pipe 2, the heat energy recovery tank 3 is connected with the carbide slag slurry tank 5 through an air outlet pipe 4, a heat conduction spiral pipe 6 is arranged inside the heat energy recovery tank 3, the air inlet pipe 2 is connected with one end of the heat conduction spiral pipe 6, the air outlet pipe 4 is connected with the other end of the heat conduction spiral pipe 6, an insulating layer 7 is arranged on the inner wall of the heat energy recovery tank 3, a steam generator 9 is connected to the top of the heat energy recovery tank 3 through a steam pipe 8, an aqueous solution is filled inside the heat energy recovery tank 3, the flue gas heated at high temperature is recovered through the heat energy recovery tank 3 to be introduced into the carbide slag slurry tank 5 to prepare desulfurized gypsum, the insulating, the heat preservation performance of heat recovery case 3 has been improved, heat conduction spiral pipe 6 through adopting the heat conduction material preparation is with heat transfer to aqueous solution in to boil water and produce steam, provide steam for steam generator 9 through steam pipe 8, thereby realize heat recovery and steam power generation, solved the unable effectual heat that produces in the recovery pyrite preparation desulfurization gypsum of prior art, lead to the extravagant problem of energy.
The side of the heat energy recovery box 3 is communicated with a water inlet pump 11 through a water delivery pipe 10, the water inlet pump 11 is connected with a cold water tank 12 through the water delivery pipe 10, the side of the heat energy recovery box 3 is connected with a water discharge pump 13 through the water delivery pipe 10, the water discharge pump 13 is connected with a hot water tank 14 through the water delivery pipe 10, the tops of the cold water tank 12 and the hot water tank 14 are respectively provided with a water inlet pipe 15 and a water outlet pipe 15, the surface of the heat energy recovery box 3 is provided with an observation window 16, the surface of the heat energy recovery box 3 is provided with an electric control box 17, the surface of the electric control box 17 is fixedly connected with a display screen 19 and a control button 20, the side of the electric control box 17 is provided with a loudspeaker 21, the electric control box 17 is respectively and electrically connected with the water inlet pump 11, the water discharge pump 13, the display screen 19, the control button 20 and, the power cord 18 is the power supply of electric cabinet 17, through having set up cold water storage tank 12 and hot-water tank 14, cold water storage tank 12 can be for 3 make-up waters of heat recovery case, still can be with heat energy not as the electricity generation of steam method, but turn into hot water, when temperature sensor 22 detects the temperature and reaches a definite value, for example when 75 ℃, drain pump 13 is with hot water suction in hot-water tank 14, and supply cold water for heat recovery case 3 through cold water storage tank 12, through having set up observation window 16, make things convenient for the staff to observe the water level variation in heat recovery case 3, still can use the level gauge to replace observation window 16, through having set up speaker 21, through having set up electric cabinet 17, make things convenient for the operation of each electrical apparatus of staff control, remind the staff through speaker 21 when the temperature reaches the setting value.
During the use, through having set up heat recovery case 3, flue gas after the high temperature heating is retrieved the heat through heat recovery case 3 and is being let in carbide slag thick liquid case 5 and prepare the desulfurization gypsum, through having set up heat preservation 7, the thermal insulation performance of heat recovery case 3 has been improved, heat conduction helix tube 6 through adopting the heat conduction material preparation is with heat transfer to aqueous solution, thereby boil water and produce steam, provide steam for steam generator 9 through steam pipe 8, thereby realize heat recovery and steam power generation, the heat that produces in the unable effectual recovery pyrite preparation desulfurization gypsum of prior art has been solved, the problem that leads to the energy waste.
In summary, the following steps: this system of pyrite preparation desulfurization gypsum through the cooperation of rotary hearth furnace 1, intake pipe 2, heat recovery case 3, outlet duct 4, carbide slag thick liquid case 5, heat conduction spiral pipe 6, heat preservation 7, steam pipe 8 and steam generator 9, has solved the heat that produces in the unable effectual recovery pyrite preparation desulfurization gypsum of prior art, leads to the extravagant problem of the energy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a system for pyrite preparation desulfurization gypsum, includes rotary hearth furnace (1), heat recovery case (3) and carbide slag thick liquid case (5), rotary hearth furnace (1) is connected with heat recovery case (3) through intake pipe (2), heat recovery case (3) are connected its characterized in that through outlet duct (4) and carbide slag thick liquid case (5): the internally mounted of heat recovery case (3) has heat conduction spiral pipe (6), intake pipe (2) are connected with the one end of heat conduction spiral pipe (6), outlet duct (4) are connected with the heat conduction spiral pipe (6) other end, the inner wall of heat recovery case (3) is provided with heat preservation (7), the top of heat recovery case (3) is connected with steam generator (9) through steam pipe (8), the inside packing of heat recovery case (3) has aqueous solution.
2. The system for preparing desulfurized gypsum from pyrite according to claim 1, wherein: the side surface of the heat energy recovery tank (3) is communicated with a water inlet pump (11) through a water pipe (10), and the water inlet pump (11) is connected with a cold water tank (12) through the water pipe (10).
3. The system for preparing desulfurized gypsum from pyrite according to claim 2, wherein: the side of the heat energy recovery box (3) is connected with a drainage pump (13) through a water pipe (10), the drainage pump (13) is connected with a hot water tank (14) through the water pipe (10), and the tops of the cold water tank (12) and the hot water tank (14) are provided with water inlet and outlet pipes (15).
4. The system for preparing desulfurized gypsum from pyrite according to claim 1, wherein: the surface of the heat energy recovery box (3) is provided with an observation window (16), and the surface of the heat energy recovery box (3) is provided with an electric cabinet (17).
5. The system for preparing desulfurized gypsum from pyrite according to claim 4, wherein: the surface of the electric cabinet (17) is fixedly connected with a display screen (19) and a control button (20), a loudspeaker (21) is installed on the side face of the electric cabinet (17), and the electric cabinet (17) is electrically connected with the water inlet pump (11), the water discharge pump (13), the display screen (19), the control button (20) and the loudspeaker (21) respectively.
6. The system for preparing desulfurized gypsum from pyrite according to claim 4, wherein: the bottom fixedly connected with power cord (18) of electric cabinet (17), the bottom of heat recovery case (3) inner wall is provided with temperature sensor (22), temperature sensor (22) and electric cabinet (17) electric connection, power cord (18) are electric cabinet (17) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496845.2U CN209853746U (en) | 2019-04-13 | 2019-04-13 | System for preparing desulfurized gypsum from pyrite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496845.2U CN209853746U (en) | 2019-04-13 | 2019-04-13 | System for preparing desulfurized gypsum from pyrite |
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| Publication Number | Publication Date |
|---|---|
| CN209853746U true CN209853746U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920496845.2U Expired - Fee Related CN209853746U (en) | 2019-04-13 | 2019-04-13 | System for preparing desulfurized gypsum from pyrite |
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| Country | Link |
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| CN (1) | CN209853746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573561A (en) * | 2020-12-08 | 2021-03-30 | 萍乡宝海锌营养科技有限公司 | Waste heat recovery device for zinc sulfate production |
-
2019
- 2019-04-13 CN CN201920496845.2U patent/CN209853746U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573561A (en) * | 2020-12-08 | 2021-03-30 | 萍乡宝海锌营养科技有限公司 | Waste heat recovery device for zinc sulfate production |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20200413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |