CN215572225U - Cooling heat exchange device for light-burned magnesium powder - Google Patents
Cooling heat exchange device for light-burned magnesium powder Download PDFInfo
- Publication number
- CN215572225U CN215572225U CN202121925164.7U CN202121925164U CN215572225U CN 215572225 U CN215572225 U CN 215572225U CN 202121925164 U CN202121925164 U CN 202121925164U CN 215572225 U CN215572225 U CN 215572225U
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooling cylinder
- light
- burned magnesium
- air
- 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
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Details (AREA)
Abstract
The utility model aims to solve the problems in the existing light-burned magnesium production process and equipment, provides a cooling and heat exchange device for light-burned magnesium powder, and belongs to the technical field of light-burned magnesium production equipment. The cooling heat exchange device for the light-burned magnesium powder comprises a cooling cylinder supporting base, a supporting power unit arranged on the cooling cylinder supporting base, a cooling cylinder arranged on the supporting power unit and an air cooling unit arranged in a cylindrical cavity. After the device is adopted, the process of cooling the light-burned magnesium powder is carried out in a completely closed environment, no dust is discharged into the atmosphere, no pollution is caused to the environment, and the production efficiency is high; the compressed air for cooling is subjected to heat exchange by the device and is heated into high-temperature compressed air for reuse, so that the production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of light-burned magnesium production equipment, and particularly relates to a cooling heat exchange device for light-burned magnesium powder.
Background
The light-burned magnesium is a common refractory material and is widely applied to industries such as metallurgy, building materials and the like.
In the prior art, a shaft kiln and a rotary kiln are utilized to roast magnesite at the temperature of 800-1050 ℃ to obtain light-burned magnesium, the temperature of a light-burned magnesium finished product roasted by the rotary kiln is high, and the light-burned magnesium finished product is placed in a natural environment for cooling without cooling equipment, so that a large amount of energy waste and serious environmental pollution are caused, the construction period is prolonged, and the production efficiency is low.
Therefore, it is necessary to provide a device capable of sufficiently recovering heat in the light burned magnesium while accelerating the temperature reduction of the light burned magnesium.
Disclosure of Invention
The utility model aims to solve the problems in the existing light-burned magnesium production process and equipment, and provides a cooling and heat exchange device for light-burned magnesium powder. After the device is adopted, the process of cooling the light-burned magnesium powder is carried out in a completely closed environment, no dust is discharged into the atmosphere, no pollution is caused to the environment, and the production efficiency is high; the compressed air for cooling is subjected to heat exchange by the device and is heated into high-temperature compressed air for reuse, so that the production cost is reduced.
A cooling heat exchange device for light-burned magnesium powder comprises a cooling cylinder support base, a support power unit arranged on the cooling cylinder support base, a cooling cylinder arranged on the support power unit, and an air cooling unit arranged in the cooling cylinder;
the cooling cylinder supporting foundation is a base;
the cooling cylinder is a cylindrical cavity and rotates by taking an axis as an axis, one end of the cooling cylinder is a feeding end, the cooling cylinder is provided with an exhaust pipe, and a powder feeding chute hopper and a feeding end sealing ring which are connected with the light-burned magnesium roasting kiln, the feeding end sealing ring is sleeved on the outer wall of the feeding end of the cooling cylinder, a No. 1 friction ring is arranged between the feeding end sealing ring and the outer wall of the cooling cylinder, the powder feeding chute hopper is fixedly connected with the feeding end sealing ring, and the exhaust pipe is introduced into the powder feeding chute hopper from the feeding end; the other end of the cylindrical cavity is a discharge end, and is provided with an air inlet pipe, a discharge end sealing ring and a sealing cover, the discharge end sealing ring is sleeved on the outer wall of the discharge end of the cooling cylinder, a No. 2 friction ring is arranged between the discharge end sealing ring and the outer wall of the cooling cylinder, the sealing cover is fixedly connected with the discharge end sealing ring, the air inlet pipe penetrates into the sealing cover from the outside and is led into a feed end, and a discharge port is arranged at the bottom of the sealing cover; the feeding end is higher than the discharging end, and the included angle between the axis of the cylindrical cavity and the horizontal plane is 2-3 degrees;
the air cooling unit consists of a plurality of cooling air passages uniformly distributed on the inner wall of the cooling cylinder, and an air outlet main pipe and an air inlet main pipe which are respectively connected with two ends of the plurality of cooling air passages; the air outlet main pipe is connected with the exhaust pipe, and the air inlet main pipe is connected with the air inlet pipe.
Furthermore, above-mentioned cooling heat transfer device, support power unit includes the riding wheel track of fixed connection on the cooling cylinder outer wall, set up and be used for supporting the orbital riding wheel of riding wheel on the cooling cylinder supports the basis, set up at riding wheel track side and riding wheel track rolling friction's fender wheel, set up the barrel ring gear on the cooling cylinder outer wall, the drive gear with barrel ring gear meshing, the speed reducer of being connected with drive gear to and the driving motor who is connected with the speed reducer.
Further, in the cooling heat exchange device, the axes of the air inlet main pipe and the air outlet main pipe are coaxial with the cooling cylinder.
Further, in the cooling heat exchange device, the cross section of the air passage is rectangular.
Compared with the prior art, the utility model has the advantages that:
the cooling heat exchange device is specially used for the physical characteristics of high-temperature light-burned magnesium, the light-burned magnesium powder is carried out in a completely closed environment in the processes of entering and discharging from the cooling device, no dust is discharged into the atmosphere, no pollution is caused to the environment, and the production efficiency is not influenced by long time of natural cooling of the light-burned magnesium. The compressed air for cooling is subjected to heat exchange by the cooling heat exchange device to become high-temperature compressed air, and the high-temperature compressed air directly enters the calcining kiln to provide high-temperature combustion-supporting air for calcining the light-burned magnesium, so that a large amount of heat energy is saved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a cooling heat exchange device of the utility model;
FIG. 2 is a sectional view taken along A-A in FIG. 1;
the device comprises a cooling cylinder 1, a cooling air channel 2, a cooling air channel 3, an air inlet main pipe 4, a discharge end sealing ring 5, a 2# friction ring 6, a sealing cover 7, an air outlet main pipe 8, a 1# friction ring 9, a feed end sealing ring 10, an exhaust pipe 11, a powder feeding chute hopper 12, an air inlet pipe 13, a driving motor 14, a speed reducer 15, a driving gear 16, a cylinder gear ring 17, a riding wheel 18, a riding wheel track 19 and a blocking wheel.
Detailed Description
Example 1
A cooling heat exchange device for light-burned magnesium powder comprises a cooling cylinder support base, a support power unit arranged on the cooling cylinder support base, a cooling cylinder 1 arranged on the support power unit, and an air cooling unit arranged in the cooling cylinder;
the cooling cylinder supporting foundation is a base;
the supporting power unit comprises a riding wheel track 18 fixedly connected to the outer wall of the cooling cylinder, a riding wheel 17 arranged on the supporting base of the cooling cylinder and used for supporting the riding wheel track, a blocking wheel 19 arranged on the side edge of the riding wheel track and in rolling friction with the riding wheel track, the blocking wheel 19 used for limiting the axial movement of the cooling cylinder, a cylinder gear ring 16 arranged on the outer wall of the cooling cylinder, a driving gear 15 meshed with the cylinder gear ring, a speed reducer 14 connected with the driving gear, and a driving motor 13 connected with the speed reducer;
the cooling cylinder 1 is a cylindrical cavity and rotates by taking an axis as an axis, one end of the cooling cylinder is a feeding end, the cooling cylinder is provided with an exhaust pipe 10, a powder feeding chute 11 and a feeding end sealing ring 9 which are connected with the light-burned magnesium roasting kiln, the feeding end sealing ring is sleeved on the outer wall of the feeding end of the cooling cylinder, a No. 1 friction ring 8 is arranged between the feeding end sealing ring and the outer wall of the cooling cylinder, the powder feeding chute is fixedly connected with the feeding end sealing ring 9, the exhaust pipe is introduced into the powder feeding chute from the feeding end, the No. 1 friction ring rotates along with the cylindrical cavity, the feeding end sealing ring is pressed on the No. 1 friction ring, the No. 1 friction ring rotates, the feeding end sealing ring is fixed, and the dust in the feeding process of the cylindrical cavity is sealed by the close contact of the friction ring and the feeding end sealing ring; the other end of the cylindrical cavity is a discharge end, an air inlet pipe 12 is arranged, a discharge end sealing ring 4 and a sealing cover 6 are arranged, the discharge end sealing ring is sleeved on the outer wall of the discharge end of the cooling cylinder, a No. 2 friction ring 5 is arranged between the discharge end sealing ring and the outer wall of the cooling cylinder, the sealing cover is fixedly connected with the discharge end sealing ring, the air inlet pipe penetrates into the sealing cover from the outside and is led into the discharge end, a discharge port is formed in the bottom of the sealing cover, the No. 2 friction ring rotates along with the cylindrical cavity, the discharge end sealing ring is pressed on the No. 2 friction ring, the No. 2 friction ring rotates, the discharge end sealing ring is fixed, and dust in the discharge process of the cylindrical cavity is sealed through close contact of the friction ring and the discharge end sealing ring; the feeding end of the cylindrical cavity is higher than the discharging end, and the included angle between the axis of the cylindrical cavity and the horizontal plane is 2-3 degrees;
the air cooling unit consists of a plurality of cooling air passages 2 uniformly distributed on the inner wall of the cooling cylinder, and an air outlet header pipe 7 and an air inlet header pipe 3 which are respectively connected with two ends of the plurality of cooling air passages, wherein the cross section of each cooling air passage is rectangular; the cooling cylinder is characterized in that the air outlet main pipe is connected with the exhaust pipe, the air inlet main pipe is connected with the air inlet pipe, and the axes of the air inlet main pipe and the air outlet main pipe are coaxial with the cylindrical cavity of the cooling cylinder.
The using method of the utility model comprises the following steps: compressed cold air is introduced from the air inlet pipe, is distributed to each cooling air passage through the air inlet main pipe, is gathered into the air outlet main pipe and then enters the air outlet pipe; the high-temperature light-burned magnesium material enters the cooling cylinder from the powder feeding chute hopper, is in contact with the pipe wall of the cooling air passage to cool the high-temperature light-burned magnesium, and because the section of the cooling air passage is rectangular, the cooling air passage plays a role in raising materials along with the rotation of the cylindrical cavity, so that heat in the powder can be dissipated, and because the cooling air passages are multiple, the high-temperature light-burned magnesium is continuously in contact with the pipe wall of the cooling air passage, so that the uniform cooling effect on the light-burned magnesium is achieved; the compressed cold air in the cooling air passage absorbs the heat of the high-temperature light-burned magnesium to become hot air, and the hot air can be input into the roasting kiln as a roasting heat source through secondary heating or directly conveyed to other processes needing heat for use.
In addition, the feed end and the discharge end of the device are provided with the sealing ring, the sealing cover and the friction ring, so that dust is prevented from being discharged into the atmosphere, and the environment is not polluted.
Claims (4)
1. A cooling heat exchange device for light-burned magnesium powder is characterized by comprising a cooling cylinder supporting base, a supporting power unit arranged on the cooling cylinder supporting base, a cooling cylinder arranged on the supporting power unit and an air cooling unit arranged in the cooling cylinder;
the cooling cylinder supporting foundation is a base;
the cooling cylinder is a cylindrical cavity and rotates by taking an axis as an axis, one end of the cooling cylinder is a feeding end, the cooling cylinder is provided with an exhaust pipe, and a powder feeding chute hopper and a feeding end sealing ring which are connected with the light-burned magnesium roasting kiln, the feeding end sealing ring is sleeved on the outer wall of the feeding end of the cooling cylinder, a No. 1 friction ring is arranged between the feeding end sealing ring and the outer wall of the cooling cylinder, the powder feeding chute hopper is fixedly connected with the feeding end sealing ring, and the exhaust pipe is introduced into the powder feeding chute hopper from the feeding end; the other end of the cylindrical cavity is a discharge end, and is provided with an air inlet pipe, a discharge end sealing ring and a sealing cover, the discharge end sealing ring is sleeved on the outer wall of the discharge end of the cooling cylinder, a No. 2 friction ring is arranged between the discharge end sealing ring and the outer wall of the cooling cylinder, the sealing cover is fixedly connected with the discharge end sealing ring, the air inlet pipe penetrates into the sealing cover from the outside and is led into a feed end, and a discharge port is arranged at the bottom of the sealing cover; the feeding end is higher than the discharging end, and an included angle between the axis of the cylindrical cavity and the horizontal plane is 2-3 degrees;
the air cooling unit consists of a plurality of cooling air passages uniformly distributed on the inner wall of the cooling cylinder, and an air outlet main pipe and an air inlet main pipe which are respectively connected with two ends of the plurality of cooling air passages; the air outlet main pipe is connected with the exhaust pipe, and the air inlet main pipe is connected with the air inlet pipe.
2. The cooling and heat exchanging device for the light-burned magnesium powder as recited in claim 1, wherein the supporting power unit comprises a riding wheel track fixedly connected to an outer wall of the cooling cylinder, a riding wheel arranged on a supporting base of the cooling cylinder for supporting the riding wheel track, a catch wheel arranged on a side edge of the riding wheel track and in rolling friction with the riding wheel track, a cylinder gear ring arranged on the outer wall of the cooling cylinder, a driving gear meshed with the cylinder gear ring, a speed reducer connected with the driving gear, and a driving motor connected with the speed reducer.
3. The device for cooling and heat exchanging of the light-burned magnesium powder as recited in claim 1, wherein the axes of the inlet manifold and the outlet manifold are coaxial with the cylindrical cavity of the cooling cylinder.
4. The device for cooling and heat exchanging the soft-burned magnesium powder as claimed in claim 1, wherein the cross section of the air channel is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121925164.7U CN215572225U (en) | 2021-08-17 | 2021-08-17 | Cooling heat exchange device for light-burned magnesium powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121925164.7U CN215572225U (en) | 2021-08-17 | 2021-08-17 | Cooling heat exchange device for light-burned magnesium powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572225U true CN215572225U (en) | 2022-01-18 |
Family
ID=79836394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121925164.7U Active CN215572225U (en) | 2021-08-17 | 2021-08-17 | Cooling heat exchange device for light-burned magnesium powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215572225U (en) |
-
2021
- 2021-08-17 CN CN202121925164.7U patent/CN215572225U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205472672U (en) | Continuous high temperature heat treatment production line of powdered graphite | |
| CN205241605U (en) | Hot type solid organic matter pyrolysis furnace in succession | |
| CN105384167B (en) | A kind of powdery graphite continuous high temperature heat-treatment production line | |
| CN202254762U (en) | Full-atmosphere protection spiral groove type convolution furnace | |
| CN106556250A (en) | A kind of heating rotary kiln | |
| CN205138174U (en) | Heating rotary kiln | |
| CN218349203U (en) | Environment-friendly energy-saving rotary kiln with high waste heat utilization rate | |
| CN203642670U (en) | Multipurpose rotary kiln | |
| CN215572225U (en) | Cooling heat exchange device for light-burned magnesium powder | |
| RU2062418C1 (en) | Rotating grid cooler for cooling clinker | |
| CN107058701B (en) | A kind of intermittent continuous hydrogen processing method and its device of rare earth permanent magnet | |
| CN209910479U (en) | Rotary indirect material cooling device | |
| CN113443842B (en) | Light-burned magnesium production device and production method | |
| CN215261118U (en) | Cement clinker firing equipment | |
| CN207622495U (en) | A kind of electrical heating rotary furnace | |
| CN215113862U (en) | High-temperature rotary furnace with built-in electric heating | |
| CN111829337A (en) | High-temperature alumina calcining equipment | |
| CN221099375U (en) | Three return stroke coolers shunts combustion-supporting energy-conserving production system | |
| CN111504054A (en) | Dry-process hollow rotary kiln for preparing aluminate cement | |
| CN208223180U (en) | A kind of multilayer stirring transmission calcining kiln | |
| CN201575692U (en) | Gas heating left and right hot air circulation screen belt type roasting furnace | |
| CN221324944U (en) | Metallurgical engineering powder drying equipment | |
| CN206695146U (en) | A kind of thermal decomposition carbonizing apparatus for hospital refuse | |
| CN101376572A (en) | Dolomite calcination heat-recovering method and system | |
| CN217228737U (en) | Constant-temperature storage tank for processing fused magnesium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |