CN220398208U - Decomposing furnace for calcining light burned magnesium oxide and system device for waste heat utilization - Google Patents
Decomposing furnace for calcining light burned magnesium oxide and system device for waste heat utilization Download PDFInfo
- Publication number
- CN220398208U CN220398208U CN202321990993.2U CN202321990993U CN220398208U CN 220398208 U CN220398208 U CN 220398208U CN 202321990993 U CN202321990993 U CN 202321990993U CN 220398208 U CN220398208 U CN 220398208U
- Authority
- CN
- China
- Prior art keywords
- decomposing furnace
- preheater
- pipeline
- fixedly communicated
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002918 waste heat Substances 0.000 title claims abstract description 53
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 26
- 238000001354 calcination Methods 0.000 title claims abstract description 25
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 38
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000003546 flue gas Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 235000012054 meals Nutrition 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 abstract description 14
- 235000014380 magnesium carbonate Nutrition 0.000 abstract description 14
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical group [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 abstract description 14
- 229910000021 magnesium carbonate Inorganic materials 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 230000014759 maintenance of location Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Furnace Details (AREA)
Abstract
The utility model discloses a decomposing furnace for calcining light burned magnesium oxide and a system device for waste heat utilization, which comprise decomposing furnace equipment devices, flue gas waste heat utilization equipment devices, high-temperature powder waste heat utilization equipment devices, a raw material metering bin, a waste gas treatment system device and a finished product storage and transportation system device, wherein the decomposing furnace equipment devices comprise decomposing furnaces. The utility model develops the jet vortex decomposing furnace device through the decomposing furnace device, has the advantage of improving the solid-gas retention time function, optimizes the decomposing furnace structure design, realizes the stirring and mixing of gas materials in the calcining process of the decomposing furnace, prolongs the retention time of the materials in the furnace and promotes the full decomposition of MgCO3 raw materials compared with a suspending furnace calcining system device; through flue gas waste heat utilization equipment device and waste heat utilization equipment device cooperation, possess the advantage that can improve the utilization efficiency function of waste heat.
Description
Technical Field
The utility model relates to the technical field of calcined light-burned magnesia, in particular to a decomposing furnace for calcining light-burned magnesia and a system device for utilizing waste heat.
Background
The light burned MgO is formed by calcining magnesite MgCO3, the calcining of magnesite is a chemical reaction process, mgCO3 is heated and decomposed into MgO and CO2, the traditional production mode is to calcine magnesite by adopting a reverberatory shaft kiln to produce light burned magnesia, and the reverberatory shaft kiln can only calcine 100-300mm blocky magnesite.
It has been found through research and analysis that although the suspension furnace calcination apparatus developed for calcining magnesite fine powder material has solved the problem of utilizing the calcined magnesite fine powder material in recent years, the following disadvantages are present to some extent.
For example, the suspension furnace uses an extended and expanded ascending flue as a pipeline furnace, belongs to a pipeline decomposing furnace, has a smaller solid-gas retention time ratio of a solid-gas movement suspension effect in the furnace than other furnace types, has a poorer turbulence effect in the furnace, has short residence time of MgCO3 raw materials in the furnace, has incomplete MgCO3 chemical decomposition reaction, has difficult control of product activity and loss of ignition, sometimes has unqualified light-burned magnesium oxide products due to out-of-ignition, needs to improve the solid-gas retention time, has no effective industrial waste heat recycling system, particularly has no recycling of waste heat in a high-temperature powder cooling process, cannot obviously reduce the burning heat consumption of light-burned magnesium oxide, and leads to waste of energy, so the existing suspension furnace production line has the problems of high product calcination heat consumption, unstable product activity, unstable production, high cost and the like, and therefore, in order to solve the technical problems, a decomposing furnace and a waste heat utilization device for the light-burned magnesium oxide is designed.
Disclosure of Invention
The utility model aims to provide a decomposing furnace for calcining light burned magnesium oxide and a system device for utilizing waste heat, which have the advantages of improving the solid-gas retention time and improving the utilization efficiency of the waste heat, and solve the problems that the decomposing furnace does not have the function of improving the solid-gas retention time and the utilization efficiency of the waste heat.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a system device for calcining light-burned magnesia's decomposing furnace and waste heat utilization, includes decomposing furnace equipment device, flue gas waste heat utilization equipment device, high temperature powder waste heat utilization equipment device, raw meal measurement storehouse, exhaust gas treatment system device and finished product warehousing and transportation system device, decomposing furnace equipment device includes the decomposing furnace, the decomposing furnace includes the decomposing furnace upmix room, the fixed intercommunication in bottom of decomposing furnace upmix room has decomposing furnace throat II, the fixed intercommunication in bottom of decomposing furnace throat II has the decomposing furnace mix room, the fixed intercommunication in left side of mixing room has inlet pipe I in the decomposing furnace, the fixed intercommunication in bottom of mixing room has decomposing furnace throat I in the decomposing furnace, the fixed intercommunication in right side of decomposing furnace throat I has decomposing furnace outlet pipe, the one end that decomposing furnace outlet pipe kept away from decomposing furnace upmix room has the C6 high temperature powder whirlwind cone, the fixed intercommunication in left side of decomposing furnace combustion chamber has inlet pipe II.
Preferably, a plate-type distributor I is arranged in the inner cavity of the mixing chamber in the decomposing furnace, an anti-blocking ash removing device VI is arranged on the right side of the C6 high-temperature powder cyclone, and a plate-type distributor II, a fuel burner I and a fuel burner II are respectively arranged in the inner cavity of the combustion chamber of the decomposing furnace.
Preferably, the flue gas waste heat utilization device comprises a C5 preheater, the air inlet of the C5 preheater is fixedly communicated with the air outlet of the C6 high-temperature powder cyclone through a pipeline, the air outlet of the C5 preheater is fixedly communicated with a wind locking blanking valve V through a pipeline, an anti-blocking ash cleaning device V is installed in the inner cavity of the C5 preheater, the bottom end of the wind locking blanking valve V is fixedly communicated with a distributor through a pipeline, the surface of the distributor is fixedly communicated with one ends of a feeding pipe I and a feeding pipe II through a pipeline respectively, the air outlet of the C5 preheater is fixedly communicated with a C4 preheater through a pipeline, the air outlet of the C4 preheater is fixedly communicated with a C3 preheater through a pipeline, the air outlet of the C3 preheater is fixedly communicated with a C2 preheater through a pipeline, the air outlet of the C2 preheater is fixedly communicated with the surface of the waste gas treatment system device through a pipeline, the bottom of the raw meal metering bin is fixedly communicated with a wind locking blanking valve VII through a pipeline, the wind locking blanking valve VII is fixedly communicated with one end of the wind locking blanking valve and the C2 preheater is fixedly communicated with the bottom of the C2 preheater through a pipeline II.
Preferably, one end of the air locking blanking valve II is fixedly communicated with a pipeline between the C4 preheater and the C3 preheater through a pipeline, an anti-blocking ash removal device II is installed in an inner cavity of the C2 preheater, an air locking blanking valve IV is fixedly communicated with the bottom end of the C4 preheater through a pipeline, one end of the air locking blanking valve IV is fixedly communicated with a pipeline between the C6 high-temperature powder cyclone and the C5 preheater through a pipeline, an anti-blocking ash removal device IV is installed in an inner cavity of the C4 preheater, an air locking blanking valve III is fixedly communicated with the bottom end of the C3 preheater through a pipeline, one end of the air locking blanking valve III is fixedly communicated with a pipeline between the C5 preheater and the C4 preheater through a pipeline, an anti-blocking ash removal device III is installed in an inner cavity of the C3 preheater, an anti-blocking ash removal device I is installed in an inner cavity of the C1 preheater, and one end of the air locking blanking valve I is fixedly communicated with the pipeline between the C3 preheater and the C4 preheater through a pipeline.
Preferably, the high-temperature powder waste heat utilization equipment device comprises a rotary cooler, the left end of the rotary cooler is fixedly communicated with a rotary cooler discharging cover, the bottom of the rotary cooler is communicated with a finished product storage and transportation system device through a pipeline, the right end of the high-temperature powder waste heat utilization equipment device is fixedly communicated with a rotary cooler feeding cover, the top end of the rotary cooler feeding cover is fixedly communicated with a connecting pipe, the top end of the connecting pipe is fixedly communicated with the bottom of a combustion chamber of a decomposing furnace, and the bottom of the C6 high-temperature powder cyclone is fixedly communicated with an air locking blanking valve VI through a pipeline.
Preferably, an inner cavity of the rotary cooler feeding cover is provided with a rotary cooler feeding slope, an inner cavity of the rotary cooler feeding slope is provided with an anti-blocking ash removal device VII, and one end of the air locking blanking valve VI is fixedly communicated with the surface of the rotary cooler feeding cover through a pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model develops the jet vortex decomposing furnace device through the decomposing furnace device with the advantage of improving the solid-gas retention time function, optimizes the decomposing furnace structure design, realizes the stirring and mixing of gas materials in the calcining process of the decomposing furnace, prolongs the retention time of the materials in the furnace and promotes the full decomposition of MgCO3 raw materials, ensures the complete calcination of the MgCO3 raw materials, improves the yield, and has stable production and easy control of the activity and the loss of the products compared with a suspending furnace calcining system device.
2. The utility model has the advantages of improving the utilization efficiency of the waste heat by matching the flue gas waste heat utilization equipment and the waste heat utilization equipment, fully utilizes the heat during production, and has high waste heat utilization rate, low firing heat consumption of light-burned MgO, low dust emission concentration and small pollution to the environment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a decomposing furnace equipment device; 2. a flue gas waste heat utilization device; 3. a high-temperature powder waste heat utilization device; 4. a raw material metering bin; 5. an exhaust treatment system device; 6. a C1 preheater; 7. a C2 preheater; 8. a C3 preheater; 9. a C4 preheater; 10. a C5 preheater; 11. air locking blanking valve I; 12. air locking blanking valve II; 13. air locking blanking valve III; 14. a wind-locking blanking valve IV; 15. a wind-locking blanking valve V; 16. a distributor; 17. a decomposing furnace; 18. a decomposing furnace combustion chamber; 19. a mixing chamber in the decomposing furnace; 20. an upmix chamber of the decomposing furnace; 21. a shrinkage opening I of the decomposing furnace; 22. reducing the mouth II of the decomposing furnace; 23. a feeding pipe I; 24. plate-type distributor I; 25. a feed pipe II; 26. plate type spreader II; 27. a fuel burner I; 28. a fuel burner II; 29. an outlet pipe of the decomposing furnace; 30. c6 high-temperature powder cyclone; 31. the air locking blanking valve VI; 32. a connecting pipe; 33. a rotary cooler feeding slope; 34. a rotary cooler feeding cover; 35. a rotary cooler; 36. a rotary cooler discharging cover; 37. a finished product storage and transportation system device; 38. an anti-blocking ash removing device I; 39. an anti-blocking ash removing device II; 40. an anti-blocking ash removal device III; 41. an anti-blocking ash removing device IV; 42. an anti-blocking ash removing device V; 43. an anti-blocking ash removing device VI; 44. an anti-blocking ash removing device VII; 45. and a wind-locking blanking valve VII.
Detailed Description
Referring to fig. 1, a decomposing furnace and waste heat utilization system device for calcining light burned magnesia comprises a decomposing furnace equipment device 1, a flue gas waste heat utilization equipment device 2, a high-temperature powder waste heat utilization equipment device 3, a raw material metering bin 4, a waste gas treatment system device 5 and a finished product storage and transportation system device 37, wherein the decomposing furnace equipment device 1 comprises a decomposing furnace 17, the decomposing furnace 17 comprises a decomposing furnace upmix chamber 20, the bottom of the decomposing furnace upmix chamber 20 is fixedly communicated with a decomposing furnace shrinkage II 22, the bottom of the decomposing furnace shrinkage II 22 is fixedly communicated with a decomposing furnace middle mix chamber 19, the left side of the decomposing furnace middle mix chamber 19 is fixedly communicated with a feeding pipe I23, the bottom of the decomposing furnace middle mix chamber 19 is fixedly communicated with a decomposing furnace shrinkage I21, the bottom of the decomposing furnace shrinkage I21 is fixedly communicated with a decomposing furnace combustion chamber 18, the right side of the decomposing furnace upmix chamber 20 is fixedly communicated with a decomposing furnace outlet pipeline 29, one end of the decomposing furnace outlet pipeline 29, which is far from the decomposing furnace upmix chamber 20, is fixedly communicated with a C6 high-temperature cyclone 30, and the left side of the decomposing furnace combustion chamber 18 is fixedly communicated with a feeding pipe I25;
the inner cavity of the mixing chamber 19 in the decomposing furnace is provided with a plate-type distributor I24, the right side of the C6 high-temperature powder cyclone cylinder 30 is provided with an anti-blocking ash removal device VI 43, the inner cavity of the decomposing furnace combustion chamber 18 is respectively provided with a plate-type distributor II 26, a fuel burner I27 and a fuel burner II 28, and the plate-type distributor I24 and the plate-type distributor II 26 are arranged to ensure uniform discharging into the furnace, so that preheated raw materials are dispersed and uniformly distributed as soon as possible after entering the furnace;
the flue gas waste heat utilization device 2 comprises a C5 preheater 10, an air inlet of the C5 preheater 10 is fixedly communicated with an air outlet of a C6 high-temperature powder cyclone 30 through a pipeline, the bottom of the C5 preheater 10 is fixedly communicated with a wind-locking blanking valve V15 through a pipeline, an anti-blocking ash removal device V42 is arranged in an inner cavity of the C5 preheater 10, the bottom end of the wind-locking blanking valve V15 is fixedly communicated with a distributor 16 through a pipeline, the surface of the distributor 16 is fixedly communicated with one end of a feed pipe I23 and one end of a feed pipe II 25 respectively through a pipeline, an air outlet of the C5 preheater 10 is fixedly communicated with a C4 preheater 9 through a pipeline, an air outlet of the C4 preheater 9 is fixedly communicated with a C3 preheater 8 through a pipeline, an air outlet of the C3 preheater 8 is fixedly communicated with a C2 preheater 7 through a pipeline, an air outlet of the C2 preheater 7 is fixedly communicated with the C1 preheater 6 through a pipeline, an air outlet of the C1 preheater 6 is fixedly communicated with the surface of the exhaust gas treatment system device 5 through a pipeline, the bottom of the raw meal metering bin 4 is fixedly communicated with a wind-locking blanking valve VII 45 through a pipeline, one end of the wind-locking blanking valve VII 45 is fixedly communicated with the C2 preheater 7 and the C2 preheater 12 through a pipeline, and the bottom of the C2 preheater 7 is fixedly communicated with the C12 through the pipeline;
one end of a wind-locking blanking valve II 12 is fixedly communicated with a pipeline between a C4 preheater 9 and a C3 preheater 8 through a pipeline, an anti-blocking ash removal device II 39 is installed in an inner cavity of the C2 preheater 7, a wind-locking blanking valve IV 14 is fixedly communicated with the bottom end of the C4 preheater 9 through a pipeline, one end of the wind-locking blanking valve IV 14 is fixedly communicated with a pipeline between a C6 high-temperature powder cyclone 30 and a C5 preheater 10 through a pipeline, an anti-blocking ash removal device IV 41 is installed in an inner cavity of the C4 preheater 9, an anti-blocking blanking valve III 13 is fixedly communicated with the bottom end of the C3 preheater 8 through a pipeline, one end of the anti-blocking ash removal device III 40 is installed in an inner cavity of the C3 preheater 8, an anti-blocking ash removal device I38 is installed in an inner cavity of the C1 preheater 6, and one end of the wind-locking blanking valve I11 is fixedly communicated with the C3 preheater 8 and the C4 preheater 9 through a pipeline;
the high-temperature powder waste heat utilization device 3 comprises a rotary cooler 35, a rotary cooler discharging cover 36 is fixedly communicated with the left end of the rotary cooler 35, the bottom of the rotary cooler 35 is communicated with a finished product storage and transportation system device 37 through a pipeline, a rotary cooler feeding cover 34 is fixedly communicated with the right end of the high-temperature powder waste heat utilization device 3, a connecting pipe 32 is fixedly communicated with the top end of the rotary cooler feeding cover 34, the top end of the connecting pipe 32 is fixedly communicated with the bottom of a decomposing furnace combustion chamber 18, and an air locking blanking valve VI 31 is fixedly communicated with the bottom of a C6 high-temperature powder cyclone 30 through a pipeline;
the inner cavity of the rotary cooler feeding cover 34 is provided with a rotary cooler feeding slope 33, an anti-blocking ash removal device VII 44 is installed in the inner cavity of the rotary cooler feeding slope 33, one end of the air locking blanking valve VI 31 is fixedly communicated with the surface of the rotary cooler feeding cover 34 through a pipeline, and the anti-blocking ash removal device VII 44 is used for cleaning accumulated materials on the rotary cooler feeding slope 33 and preventing excessive accumulation of materials on the rotary cooler feeding slope 33.
When the device is used, mgCO3 raw materials are preheated by the flue gas waste heat utilization device 2, the temperature reaches 550 ℃, the materials are discharged from the discharge port of the C5 preheater 10, the materials enter the decomposing furnace 17 through the blanking pipe, the air locking blanking valve V15, the distributor 16, the feeding pipe I23 and the feeding pipe II 25, in the decomposing furnace 17, fuel is ignited and combusted by the fuel burner I27 and the fuel burner II 28, the calcining process of the MgCO3 raw materials heated and decomposed to form light-burned magnesia is completed in the decomposing furnace 17, the MgCO3 raw materials are calcined in the decomposing furnace 17, dust-containing flue gas containing light-burned MgO powder is calcined to form the light-burned MgO powder, the high-temperature flue gas with 750 ℃ is separated by the C6 high-temperature powder cyclone 30 and enters the flue gas waste heat utilization device 2, the high-temperature powder with 600 ℃ is separated and enters the high-temperature powder waste heat utilization device 3, the decomposing furnace 17 is completed to calcine the light-burned MgO, and the waste heat of the high-temperature flue gas with the high-temperature powder with 600 ℃ is respectively completed by the high-temperature powder waste heat utilization device 2 and the high-temperature powder waste heat utilization device 3.
To sum up: the decomposing furnace for calcining the light-burned magnesium oxide and the system device for waste heat utilization are matched through the decomposing furnace equipment device 1, the smoke waste heat utilization equipment device 2 and the high-temperature powder waste heat utilization equipment device 3, so that the problem that the decomposing furnace does not have the function of improving the solid-gas retention time and the function of improving the utilization efficiency of waste heat is solved.
Claims (6)
1. The utility model provides a system device for calcining decomposing furnace and waste heat utilization of light-burned magnesia, includes decomposing furnace equipment set (1), flue gas waste heat utilization equipment set (2), high temperature powder waste heat utilization equipment set (3), raw meal measurement storehouse (4), exhaust gas treatment system device (5) and finished product warehousing and transportation system device (37), its characterized in that: the decomposing furnace equipment device (1) comprises a decomposing furnace (17), the decomposing furnace (17) comprises a decomposing furnace upmix chamber (20), a decomposing furnace shrinkage port II (22) is fixedly communicated with the bottom of the decomposing furnace upmix chamber (20), a decomposing furnace middle mix chamber (19) is fixedly communicated with the bottom of the decomposing furnace shrinkage port II (22), a feeding pipe I (23) is fixedly communicated with the left side of the decomposing furnace middle mix chamber (19), a decomposing furnace shrinkage port I (21) is fixedly communicated with the bottom of the decomposing furnace middle mix chamber (19), a decomposing furnace combustion chamber (18) is fixedly communicated with the bottom of the decomposing furnace shrinkage port I (21), a decomposing furnace outlet pipeline (29) is fixedly communicated with the right side of the decomposing furnace upmix chamber (20), a C6 high-temperature powder cyclone (30) is fixedly communicated with one end of the decomposing furnace outlet pipeline (29) far away from the decomposing furnace upmix chamber (20), and a feeding pipe II (25) is fixedly communicated with the left side of the decomposing furnace combustion chamber (18).
2. The system device for decomposing furnace and waste heat utilization for calcining light burned magnesia according to claim 1, wherein: the inner cavity of the mixing chamber (19) in the decomposing furnace is provided with a plate-type distributor I (24), the right side of the C6 high-temperature powder cyclone cylinder (30) is provided with an anti-blocking ash removing device VI (43), and the inner cavity of the decomposing furnace combustion chamber (18) is provided with a plate-type distributor II (26), a fuel burner I (27) and a fuel burner II (28) respectively.
3. The system device for decomposing furnace and waste heat utilization for calcining light burned magnesia according to claim 1, wherein: the flue gas waste heat utilization device (2) comprises a C5 preheater (10), an air inlet of the C5 preheater (10) is fixedly communicated with an air outlet of a C6 high-temperature powder cyclone (30) through a pipeline, an air locking and discharging valve V (15) is fixedly communicated with the bottom of the C5 preheater (10) through a pipeline, an anti-blocking ash removing device V (42) is installed in an inner cavity of the C5 preheater (10), a distributor (16) is fixedly communicated with the bottom of the air locking and discharging valve V (15) through a pipeline, the surface of the distributor (16) is fixedly communicated with one end of a feed pipe I (23) and one end of a feed pipe II (25) through a pipeline respectively, an air outlet of the C5 preheater (10) is fixedly communicated with a C4 preheater (9) through a pipeline, an air outlet of the C4 preheater (9) is fixedly communicated with a C3 preheater (8) through a pipeline, an air outlet of the C3 preheater (8) is fixedly communicated with a C2 preheater (7) through a pipeline, an air outlet of the C2 preheater (7) is fixedly communicated with a C1 preheater (6) through a pipeline, an air outlet of the C1 preheater (6) is fixedly communicated with a waste material outlet of the C1 through a pipeline (45) and is fixedly communicated with a metering device (VII) through a pipeline, one end of the air locking blanking valve VII (45) is fixedly communicated with a pipeline between the C2 preheater (7) and the C1 preheater (6), and the bottom of the C2 preheater (7) is fixedly communicated with the air locking blanking valve II (12) through the pipeline.
4. A decomposing furnace for calcining light burned magnesium oxide and a system device for waste heat utilization as defined in claim 3, wherein: one end of a wind-locking blanking valve II (12) is fixedly communicated with a pipeline between a C4 preheater (9) and a C3 preheater (8) through the pipeline, an anti-blocking ash removing device II (39) is installed in an inner cavity of the C2 preheater (7), a wind-locking blanking valve IV (14) is fixedly communicated with the bottom end of the C4 preheater (9) through the pipeline, one end of the wind-locking blanking valve IV (14) is fixedly communicated with the pipeline between a C6 high-temperature powder cyclone (30) and the C5 preheater (10) through the pipeline, an anti-blocking ash removing device IV (41) is installed in an inner cavity of the C4 preheater (9), an anti-blocking blanking valve III (13) is installed in the bottom end of the C3 preheater (8) through the pipeline, one end of the wind-locking blanking valve III (13) is fixedly communicated with the pipeline between the C5 preheater (10) and the C4 preheater (9) through the pipeline, an inner cavity of the C3 preheater (8) is installed with an ash removing device III (40), and the anti-blocking ash removing device IV (38) is installed in the bottom of the C1 preheater (6) through the pipeline between the C4 preheater (9) and the pipeline (3).
5. The system device for decomposing furnace and waste heat utilization for calcining light burned magnesia according to claim 1, wherein: the high-temperature powder waste heat utilization device (3) comprises a rotary cooler (35), a rotary cooler discharging cover (36) is fixedly communicated with the left end of the rotary cooler (35), the bottom of the rotary cooler (35) is communicated with a finished product storage and transportation system device (37) through a pipeline, a rotary cooler feeding cover (34) is fixedly communicated with the right end of the high-temperature powder waste heat utilization device (3), a connecting pipe (32) is fixedly communicated with the top end of the rotary cooler feeding cover (34), the top end of the connecting pipe (32) is fixedly communicated with the bottom of a decomposing furnace combustion chamber (18), and a wind locking blanking valve VI (31) is fixedly communicated with the bottom of the C6 high-temperature powder cyclone (30) through a pipeline.
6. The system device for decomposing furnace and waste heat utilization for calcining light burned magnesia according to claim 5, wherein: the inner cavity of the rotary cooler feeding cover (34) is provided with a rotary cooler feeding slope (33), an anti-blocking ash removal device VII (44) is installed in the inner cavity of the rotary cooler feeding slope (33), and one end of the air locking blanking valve VI (31) is fixedly communicated with the surface of the rotary cooler feeding cover (34) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990993.2U CN220398208U (en) | 2023-07-27 | 2023-07-27 | Decomposing furnace for calcining light burned magnesium oxide and system device for waste heat utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990993.2U CN220398208U (en) | 2023-07-27 | 2023-07-27 | Decomposing furnace for calcining light burned magnesium oxide and system device for waste heat utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220398208U true CN220398208U (en) | 2024-01-26 |
Family
ID=89608962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321990993.2U Active CN220398208U (en) | 2023-07-27 | 2023-07-27 | Decomposing furnace for calcining light burned magnesium oxide and system device for waste heat utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220398208U (en) |
-
2023
- 2023-07-27 CN CN202321990993.2U patent/CN220398208U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102875036B (en) | Heat storage type lime rotary kiln | |
| CN103193400B (en) | Temperature-controllsuspension suspension roaster | |
| CN113548814B (en) | Environment-friendly baking process, environment-friendly baking kiln tube and environment-friendly baking shaft kiln | |
| CN108264248A (en) | A kind of light-burned MgO suspension calcinings production technology and device | |
| CN101445333A (en) | Method for calcining active lime by taking tail gas from sealing type calcium carbide furnace as fuel for rotary kiln | |
| CN109574523A (en) | A kind of limekiln that the hot sending of gasification furnace coal gas of high temperature is directly burnt | |
| CN111977995A (en) | Powder lime calcining and reforming system based on novel dry-process cement clinker calcining system | |
| CN212669567U (en) | Powder lime calcining and reforming system based on novel dry-process cement clinker calcining system | |
| CN208218696U (en) | A kind of light-burned MgO suspension calcining process units | |
| CN102992661B (en) | Beam type heat storage lime kiln | |
| CN103708744B (en) | Low-heat value gas thermal storage type limestone kiln | |
| CN203212470U (en) | Temperature-controllable suspension roaster | |
| CN203007146U (en) | Beam type heat accumulation lime kiln | |
| CN105693115A (en) | Calcium oxide efficient calcining furnace | |
| CN220398208U (en) | Decomposing furnace for calcining light burned magnesium oxide and system device for waste heat utilization | |
| CN101306924B (en) | Method and apparatus for light-burning magnesium powder for rotary kiln | |
| CN111302673A (en) | High-temperature magnesium oxide calcining device and calcining method thereof | |
| CN103482889A (en) | Heat accumulating type material calcinating device | |
| CN204265644U (en) | Heat storage type lime rotary kiln | |
| CN217297686U (en) | Environment-friendly baking kiln pipe and environment-friendly baking shaft kiln | |
| CN214009940U (en) | Energy-saving suspension roasting coal gangue treatment system | |
| CN115340304A (en) | Device and method for producing light-burned magnesium oxide through decomposition outside five-stage suspension preheating kiln | |
| CN110220386A (en) | A kind of kaolin powder pre-heating system and kaolin powder calcination system and method for calcinating comprising it | |
| CN201462812U (en) | Ore calcination kiln highly effective energy-saving burning system | |
| CN211339311U (en) | High-temperature magnesium oxide calcining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |