CN113432444A - Rotary cement kiln barrel waste heat recovery device and waste heat recovery system - Google Patents
Rotary cement kiln barrel waste heat recovery device and waste heat recovery system Download PDFInfo
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- CN113432444A CN113432444A CN202110817859.1A CN202110817859A CN113432444A CN 113432444 A CN113432444 A CN 113432444A CN 202110817859 A CN202110817859 A CN 202110817859A CN 113432444 A CN113432444 A CN 113432444A
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- waste heat
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- 239000002918 waste heat Substances 0.000 title claims abstract description 51
- 238000011084 recovery Methods 0.000 title claims abstract description 47
- 239000004568 cement Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000009413 insulation Methods 0.000 claims abstract description 9
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention provides a rotary cement kiln barrel waste heat recovery device and a waste heat recovery system, wherein the waste heat recovery device comprises: the heat exchanger comprises an upper box body, a lower box body and a heat pipe set, wherein the lower box body is sleeved on the rotary kiln, and a cavity formed between the lower box body and the outer wall of the rotary kiln is filled with a heat exchange medium; the upper box body is filled with water, and a water inlet of the upper box body is communicated with a water inlet pipe; a steam outlet arranged at the top of the upper box body is communicated with a steam collecting drum inlet, and the steam collecting drum outlet is communicated with an air outlet pipe; the upper box body and the lower box body are two independent sealed spaces, a heat insulation plate is arranged between the upper box body and the lower box body, a heat pipe set is inserted into the heat insulation plate in a penetrating mode, and two ends of the heat pipe set are located in the upper box body and the lower box body respectively. According to the waste heat recovery device for the cement rotary kiln cylinder, the heat exchange medium is in direct contact with the surface of the cylinder, and power can be generated after waste heat recovery, so that heating and refrigeration can be realized.
Description
Technical Field
The invention relates to a waste heat recovery technology, in particular to a waste heat recovery device and a waste heat recovery system for a rotary cement kiln barrel.
Background
The heat loss of the cement production line is heavy, and the heat loss of the rotary kiln barrel accounts for more than 50% of the total heat loss. At present, the waste heat recovery of a cement production line is basically the waste heat recovery of flue gas, the flue gas waste heat recovery technology is relatively mature, and the waste heat recovery of a rotary kiln cylinder is little.
The surface temperature of the rotary kiln cylinder is about 350 ℃, the diameter of the rotary kiln cylinder is 3-4 meters, the rotary kiln cylinder rotates at the revolution of 1 circle per minute in the production process, and the waste heat utilization difficulty is high.
The existing rotary kiln barrel waste heat recovery device is characterized in that a water pipe network covers the surface of a rotary kiln barrel, a certain gap is formed between the water pipe network and the barrel, the rotary kiln barrel is covered, water in the water pipe network is heated by utilizing surface radiation heat of the rotary kiln barrel, and the hot water can be used as domestic hot water of cement plant workers, building heating and the like.
The water pipe net covers the surface of the rotary kiln cylinder body, so that the rotation of the rotary kiln cylinder body cannot be influenced, but the radiation heat recovery quantity is small, the heat exchange medium cannot be in contact with the surface of the cylinder body, the waste heat utilization rate is low, and the recovered waste heat can only be used as domestic hot water.
Disclosure of Invention
The invention aims to provide a waste heat recovery device for a rotary cement kiln barrel, aiming at the problem of low waste heat utilization rate of the rotary kiln barrel at present.
In order to achieve the purpose, the invention adopts the technical scheme that: a rotary cement kiln barrel waste heat recovery device comprises: the heat exchanger comprises an upper box body, a lower box body and a heat pipe set, wherein the lower box body is sleeved on the rotary kiln, and a cavity formed between the lower box body and the outer wall of the rotary kiln is filled with a heat exchange medium; the upper box body is filled with water, and a water inlet of the upper box body is communicated with a water inlet pipe; a steam outlet arranged at the top of the upper box body is communicated with a steam collecting drum inlet, and the steam collecting drum outlet is communicated with an air outlet pipe;
the upper box body and the lower box body are two independent sealed spaces, a heat insulation plate is arranged between the upper box body and the lower box body, a heat pipe set is inserted into the heat insulation plate in a penetrating mode, and two ends of the heat pipe set are located in the upper box body and the lower box body respectively.
Further, the lower box body comprises a square box and a semi-cylinder which can be buckled, the square box and the semi-cylinder are sheathed on the rotary kiln, the two ends of the square box and the semi-cylinder are provided with semi-circular holes in a matched mode, the inner diameter of each semi-circular hole is slightly larger than the outer diameter of the rotary kiln, namely, the inner diameter of a round hole formed after the two semi-circular holes are buckled is slightly larger than the outer diameter of the rotary kiln, when the lower box body is sheathed on the rotary kiln, the round holes at the two ends of the lower box body are coaxial with the rotary kiln, and a gap is reserved, so that the rotation of the rotary kiln is not influenced.
Further, shaft end seals are arranged between the circular holes at the two ends of the lower box body and the rotary kiln, the shaft end seals are mechanical seals and comprise moving rings, static rings and springs, and the shaft end seals are used for sealing gaps, so that a sealing space is formed between the lower box body and the rotary kiln, and the rotation of the rotary kiln is not influenced.
Furthermore, the heat exchange medium is heat conduction oil, and the heat conduction oil is in direct contact with the surface of the rotary kiln cylinder body and fully absorbs heat on the surface of the rotary kiln.
Furthermore, the heat pipe set is composed of a plurality of heat pipes in an arrangement mode, heat transfer media are filled in the heat pipes after the heat pipes are vacuumized, the lower ends (on the lower box body part) of the heat pipes are evaporation ends, and the upper ends (on the upper box body part) of the heat pipes are condensation ends. The heat transfer medium absorbs heat at the evaporation end, boils and evaporates, then rises to the upper end of the heat pipe, namely the condensation end, releases heat at the condensation end, condenses, and flows back to the lower end to continuously absorb heat, boil and evaporate. The heat pipe is a device for high-efficiency heat transfer without temperature difference and has the characteristics of high heat transfer speed and high efficiency.
Furthermore, the heat pipe is additionally provided with fins to increase the heat exchange area.
Furthermore, the rotary cement kiln barrel waste heat recovery device can be used in a plurality of ways.
According to the waste heat recovery device for the cement rotary kiln cylinder, the heat exchange medium is in direct contact with the surface of the cylinder, and power can be generated after waste heat recovery, so that heating and refrigeration can be realized.
The invention also provides a waste heat recovery system of the rotary cement kiln barrel, which comprises the rotary cement kiln barrel waste heat recovery device, a steam turbine generator set, a steam-water heat exchanger, a lithium bromide unit, a three-way electromagnetic valve and a water circulation system, wherein a steam outlet or a steam collection drum outlet of the rotary cement kiln barrel waste heat recovery device is communicated with the steam turbine generator set, an exhaust gas outlet of the steam turbine generator set is respectively communicated with the steam-water heat exchanger and the lithium bromide unit through the three-way electromagnetic valve, and condensate water outlets of the steam-water heat exchanger and the lithium bromide unit are communicated with the water circulation system.
The invention also discloses a method for recovering the waste heat of the rotary cement kiln cylinder, which comprises the following steps: steam generated by the waste heat recovery device of the rotary cement kiln barrel enters a steam turbine generator set to generate power, exhaust gas generated by the steam turbine generator set is switched and controlled by a three-way electromagnetic valve, and enters a steam-water heat exchanger to generate domestic hot water and supply heat in winter; and the water enters a lithium bromide unit to generate domestic water and refrigerate in summer. Condensed water generated by the steam-water heat exchanger and the lithium bromide unit enters a water circulation system. The water circulation system provides water circulation power and water replenishing functions.
Compared with the prior art, the waste heat recovery device and the waste heat recovery system for the cement rotary kiln cylinder body have the following advantages that:
1) the heat exchange medium of the heat exchanger is in direct contact with the rotary kiln cylinder, and the surface heat of the rotary kiln cylinder is fully utilized and recovered.
2) The heat exchangers are independent devices, a plurality of heat exchangers can be installed according to the arrangement condition of facilities on the surface of the rotary kiln cylinder, and the heat on the surface of the rotary kiln cylinder is fully utilized.
3) The steam generated by the heat exchanger of the invention can be used as life hot water and for heating in winter or refrigerating in summer.
Drawings
FIG. 1 shows a waste heat recovery device for a rotary cement kiln cylinder;
FIG. 2 is a lower box of a rotary cement kiln barrel waste heat recovery device;
FIG. 3 is a sectional view of a waste heat recovery device for a cylinder of a rotary cement kiln;
fig. 4 is a diagram of a waste heat recovery system of a rotary cement kiln barrel.
Detailed Description
The working principle of the waste heat recovery device for the cylinder of the cement rotary kiln is as follows:
the lower box 12 of the heat exchanger 1 is sheathed on the rotary kiln 6, and because the diameter of the rotary kiln 6 can reach 4 meters and the length thereof is 70 meters, and other devices are arranged at the two ends of the rotary kiln 6, the lower box body 12 can only be divided into two parts 121 and 122 which are sheathed on the rotary kiln 6 from the up-down direction. Portion 122 is a half cylinder; the part 121 is a square box, semicircular holes are formed in two ends of the square box, and coaxial circular holes are formed in two ends of the square box after the square box and the square box are combined up and down 121 and 122, the diameter of the circular holes is larger than that of the rotary kiln 6, so that after the rotary kiln 6 is sheathed by the lower box body 12, the circular holes are coaxial with the rotary kiln 6, and gaps are reserved, so that the rotation of the rotary kiln 6 is not influenced.
The lower box body 12 is filled with heat exchange medium, such as heat conducting oil, and is in direct contact with the surface of the rotary kiln cylinder body to fully absorb heat on the surface of the rotary kiln 6.
The upper box body 11 and the lower box body 12 are two independent sealed spaces, and a heat insulation plate is arranged between the upper box body 11 and the lower box body 12. A heat pipe group 13 is inserted between the upper case 11 and the lower case 12. The heat pipe set 13 is composed of a plurality of heat pipes which are arranged in a vacuum manner, heat transfer media are filled in the heat pipes, the lower ends (on the lower box body 12) of the heat pipes are evaporation ends, and the upper ends (on the upper box body 11) of the heat pipes are condensation ends. The heat transfer medium absorbs heat at the evaporation end, boils and evaporates, then rises to the upper end of the heat pipe, namely the condensation end, releases heat at the condensation end, condenses, and flows back to the lower end to continuously absorb heat, boil and evaporate. The heat pipe is a device for high-efficiency heat transfer without temperature difference and has the characteristics of high heat transfer speed and high efficiency.
The heat pipe group 13 is located between the upper case 11 and the lower case 12, and transfers heat of the heat exchange medium of the lower case 12 into the upper case 11.
The water is filled in the upper box body 11, and the heat pipe set 13 heats the water to boiling to form water vapor which is discharged to the steam collection drum 2.
The water in the upper box body 11 is reduced after evaporation, and the water is supplemented by the water inlet pipe 5.
The middle of the rotary kiln 6 is provided with a gear transmission mechanism and other facilities, so a plurality of heat exchangers 1 can be arranged according to the surface facility condition of the rotary kiln, and steam generated by each heat exchanger is converged by the steam collecting drum 2 and then is sent to the air outlet pipe 3 for power generation, heating or refrigeration.
The invention is further illustrated by the following examples:
example 1
The embodiment discloses a rotary cement kiln barrel waste heat recovery device, as shown in fig. 1-4, including: the heat exchanger 1 comprises an upper box body 11, a lower box body 12 and a heat pipe set 13, wherein the lower box body 12 is sleeved on the rotary kiln 6, and a cavity formed between the lower box body 12 and the outer wall of the rotary kiln is filled with a heat exchange medium; the upper box body 11 is filled with water, and a water inlet of the upper box body 11 is communicated with the water inlet pipe 5; a steam outlet arranged at the top of the upper box body 11 is communicated with an inlet of the steam collecting drum 2, and an outlet of the steam collecting drum 2 is communicated with the air outlet pipe 3;
the upper box body 11 and the lower box body 12 are two independent sealed spaces, a heat insulation plate is arranged between the upper box body 11 and the lower box body 12, a heat pipe set 13 is inserted into the heat insulation plate, and two ends of the heat pipe set 13 are respectively positioned in the upper box body 11 and the lower box body 12.
The lower box body 12 comprises a square box 121 and a semi-cylinder 122 which can be buckled, the square box 121 and the semi-cylinder 122 are sheathed on the rotary kiln 6, the two ends of the square box 121 and the semi-cylinder 122 are provided with semi-circular holes in a matched mode, the inner diameter of each semi-circular hole is slightly larger than the outer diameter of the rotary kiln 6, namely, the inner diameter of a round hole formed after buckling of the two semi-circular holes is slightly larger than the outer diameter of the rotary kiln 6, when the lower box body 12 is sheathed on the rotary kiln 6, the round holes at the two ends of the lower box body 12 are coaxial with the rotary kiln 6, and gaps are.
The heat exchange medium is heat conduction oil, and the lower box body 12 is in direct contact with the surface of the rotary kiln 6 cylinder body to fully absorb heat on the surface of the rotary kiln 6.
The heat pipe set 13 is composed of a plurality of heat pipes which are arranged in a vacuum manner, heat transfer media are filled in the heat pipes after the heat pipes are vacuumized, the lower ends (on the lower box body 12) of the heat pipes are evaporation ends, and the upper ends (on the upper box body 11) of the heat pipes are condensation ends. The heat transfer medium absorbs heat at the evaporation end, boils and evaporates, then rises to the upper end of the heat pipe, namely the condensation end, releases heat at the condensation end, condenses, and flows back to the lower end to continuously absorb heat, boil and evaporate. The heat pipe is a device for high-efficiency heat transfer without temperature difference and has the characteristics of high heat transfer speed and high efficiency.
The application of the heat exchanger 1 after the water vapor is discharged through the exhaust pipe 3 is shown in fig. 4. The steam of the heat exchanger enters the steam collecting drum and then enters the steam turbine, the steam turbine generates electricity, and the exhaust gas of the steam turbine can be reused as heating in winter or refrigeration in summer. The exhaust gas enters the steam-water heat exchanger in winter to be used as domestic hot water and for heating; in summer, the exhaust gas enters the lithium bromide unit to be used as domestic hot water and refrigeration of a central air conditioner.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a rotary cement kiln barrel waste heat recovery device which characterized in that includes: the heat exchanger (1) comprises an upper box body (11), a lower box body (12) and a heat pipe set (13), wherein the lower box body (12) is sleeved on the rotary kiln (6), and a cavity formed between the lower box body (12) and the outer wall of the rotary kiln is filled with a heat exchange medium; the upper box body (11) is filled with water, and a water inlet of the upper box body (11) is communicated with the water inlet pipe (5); a steam outlet arranged at the top of the upper box body (11) is communicated with an inlet of the steam collection drum (2), and an outlet of the steam collection drum (2) is communicated with the air outlet pipe (3);
the heat pipe box is characterized in that the upper box body (11) and the lower box body (12) are two independent sealed spaces, a heat insulation plate is arranged between the upper box body (11) and the lower box body (12), a heat pipe set (13) is inserted into the heat insulation plate, and two ends of the heat pipe set (13) are respectively positioned in the upper box body (11) and the lower box body (12).
2. The rotary cement kiln barrel waste heat recovery device as claimed in claim 1, wherein the lower box body (12) comprises a square box (121) and a semi-cylinder (122) which can be buckled, and the square box (121) and the semi-cylinder (122) are sheathed on the rotary kiln (6).
3. The rotary cement kiln barrel waste heat recovery device as claimed in claim 1, wherein the two ends of the square box (121) and the semi-cylinder (122) are provided with semi-circular holes in a matching manner, and the inner diameter of the semi-circular holes is slightly larger than the outer diameter of the rotary kiln (6).
4. The rotary cement kiln barrel waste heat recovery device as recited in claim 1, wherein shaft end seals (4) are arranged between the circular holes at the two ends of the lower box body (12) and the rotary kiln (6), and the shaft end seals (4) are mechanical seals and comprise a movable ring, a static ring and a spring.
5. The rotary cement kiln barrel waste heat recovery device as claimed in claim 1, wherein the heat exchange medium is heat transfer oil.
6. The rotary cement kiln barrel waste heat recovery device as recited in claim 1, wherein the heat pipe set (13) is composed of a plurality of heat pipes which are arranged in an array, the heat pipes are filled with heat transfer medium after being vacuumized, the lower ends of the heat pipes are evaporation ends, and the upper ends of the heat pipes are condensation ends.
7. The rotary cement kiln barrel waste heat recovery device as claimed in claim 1, wherein fins are added to the heat pipes of the heat pipe set (13).
8. The rotary cement kiln barrel waste heat recovery system is characterized by comprising the rotary cement kiln barrel waste heat recovery device, a steam turbine generator set, a steam-water heat exchanger, a lithium bromide unit, a three-way electromagnetic valve and a water circulation system according to any one of claims 1 to 7, wherein a steam outlet or a steam collecting drum outlet of the rotary cement kiln barrel waste heat recovery device is communicated with the steam turbine generator set, a steam exhaust outlet of the steam turbine generator set is respectively communicated with the steam-water heat exchanger and the lithium bromide unit through the three-way electromagnetic valve, and condensate water outlets of the steam-water heat exchanger and the lithium bromide unit are communicated with the water circulation system.
9. The waste heat recovery method of the rotary cement kiln barrel is characterized by comprising the following steps of: steam generated by the waste heat recovery device of the rotary cement kiln barrel enters a steam turbine generator set to generate power, exhaust gas generated by the steam turbine generator set is switched and controlled by a three-way electromagnetic valve, and enters a steam-water heat exchanger to generate domestic hot water and supply heat in winter; the water enters a lithium bromide unit to generate domestic water and refrigerate in summer; condensed water generated by the steam-water heat exchanger and the lithium bromide unit enters a water circulating system; the water circulation system provides water circulation power and water replenishing functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110817859.1A CN113432444A (en) | 2021-07-20 | 2021-07-20 | Rotary cement kiln barrel waste heat recovery device and waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110817859.1A CN113432444A (en) | 2021-07-20 | 2021-07-20 | Rotary cement kiln barrel waste heat recovery device and waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113432444A true CN113432444A (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110817859.1A Pending CN113432444A (en) | 2021-07-20 | 2021-07-20 | Rotary cement kiln barrel waste heat recovery device and waste heat recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113432444A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383430A (en) * | 2021-12-13 | 2022-04-22 | 田国涛 | Heat pipe type industrial rotary kiln barrel waste heat recovery device and thermoelectric system |
| CN115010389A (en) * | 2022-08-01 | 2022-09-06 | 云南宜良西南水泥有限公司 | Cement production line capable of improving heat source utilization rate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269516A (en) * | 2010-06-02 | 2011-12-07 | 刘小琴 | Heat collecting device for reclaiming waste heat of rotary kiln barrel |
| CN110822929A (en) * | 2019-12-03 | 2020-02-21 | 山东节创能源科技有限公司 | Cement kiln waste heat recovery device |
| CN210321248U (en) * | 2019-05-22 | 2020-04-14 | 中船重工（上海）新能源有限公司 | Rotary kiln radiant heat waste heat utilization multi-combined supply system |
| JP2020180719A (en) * | 2019-04-24 | 2020-11-05 | スチールプランテック株式会社 | Heat pipe type exhaust heat recovery facility and hot stove facility equipped therewith |
-
2021
- 2021-07-20 CN CN202110817859.1A patent/CN113432444A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269516A (en) * | 2010-06-02 | 2011-12-07 | 刘小琴 | Heat collecting device for reclaiming waste heat of rotary kiln barrel |
| JP2020180719A (en) * | 2019-04-24 | 2020-11-05 | スチールプランテック株式会社 | Heat pipe type exhaust heat recovery facility and hot stove facility equipped therewith |
| CN210321248U (en) * | 2019-05-22 | 2020-04-14 | 中船重工（上海）新能源有限公司 | Rotary kiln radiant heat waste heat utilization multi-combined supply system |
| CN110822929A (en) * | 2019-12-03 | 2020-02-21 | 山东节创能源科技有限公司 | Cement kiln waste heat recovery device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383430A (en) * | 2021-12-13 | 2022-04-22 | 田国涛 | Heat pipe type industrial rotary kiln barrel waste heat recovery device and thermoelectric system |
| CN114383430B (en) * | 2021-12-13 | 2024-07-02 | 田国涛 | Heat pipe type industrial rotary kiln barrel waste heat recovery device and thermoelectric system |
| CN115010389A (en) * | 2022-08-01 | 2022-09-06 | 云南宜良西南水泥有限公司 | Cement production line capable of improving heat source utilization rate |
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Application publication date: 20210924 |