CN114791222A - Waste heat recovery device of rotary cement kiln - Google Patents
Waste heat recovery device of rotary cement kiln Download PDFInfo
- Publication number
- CN114791222A CN114791222A CN202210457576.5A CN202210457576A CN114791222A CN 114791222 A CN114791222 A CN 114791222A CN 202210457576 A CN202210457576 A CN 202210457576A CN 114791222 A CN114791222 A CN 114791222A
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- Prior art keywords
- box body
- annular
- threaded rod
- waste heat
- heat recovery
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- 239000004568 cement Substances 0.000 title claims abstract description 37
- 239000002918 waste heat Substances 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000013013 elastic material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
-
- 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
- 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
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
- F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery device of a rotary cement kiln, which comprises a box body sleeved outside the rotary cement kiln, wherein the box body is internally provided with an inner annular surface and an outer annular surface which are coaxial and cylindrical, a liquid inlet and a liquid outlet are formed in the box body, annular blocks are connected at two ends in the box body in a rotating way, a first driving unit for driving each annular block to rotate is installed on the box body, a threaded rod is connected between each annular block in a rotating way, each threaded rod is parallel to the axis of each annular block, a second driving unit for driving each threaded rod to rotate is installed on the box body, each threaded rod is in threaded connection with a mounting frame to form a structure which enables the mounting frame to move along the axial direction of the threaded rod through the rotation of each threaded rod, descaling brushes are installed on the mounting frame and are in sliding connection with the inner annular surface and the outer annular surface, the invention is convenient for cleaning scale in the waste heat recovery device of the rotary cement kiln.
Description
Technical Field
The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery device of a rotary cement kiln.
Background
The cement industry is energy-consuming households (about 7.65%), the thermal efficiency is only 30-50%, and huge energy waste exists, wherein the energy lost through the surface of the rotary kiln accounts for about 11.96% of the total energy consumption. The surface temperature of the rotary kiln barrel is up to 200-400 ℃ due to heat dissipation of the rotary kiln barrel, and if waste heat of the outer wall of the rotary kiln is recycled and utilized, the heat utilization requirement of the plant area can be met, part of heating load of office facilities can be provided, even low-pressure saturated steam is generated and used as steam turbine supplement steam of a cement kiln pure low-temperature waste heat power generation system to generate power, the power generation capacity of the system is further improved, and the production energy consumption is reduced. In the existing waste heat recovery device of the rotary cement kiln, scale is usually generated on the metal surface on the water side of a heating surface on a channel, so that heat transfer is blocked, heat loss is increased, and meanwhile, the scale can cause local overheating of the channel, and a production accident is caused in serious cases. In order to remove the scale, because the inside of the channel is in a closed state, the rotary cement kiln and other heat recovery devices are usually required to be stopped, and a chemical cleaning method is used for removing the scale, so that the production efficiency is seriously influenced, and the waste heat recovery device is very inconvenient to remove the scale.
Disclosure of Invention
Aiming at the defects of the prior art and overcoming the defects of the prior art, the invention aims to provide a waste heat recovery device of a rotary cement kiln, and solve the problem that the waste heat recovery device is inconvenient to remove water scales.
The technical scheme includes that the waste heat recovery device of the rotary cement kiln comprises a box body externally sleeved on the rotary cement kiln, wherein the box body is internally provided with an inner annular surface and an outer annular surface which are coaxial and cylindrical, a liquid inlet and a liquid outlet are formed in the box body, annular blocks are rotatably connected at two ends in the box body, a first driving unit used for driving each annular block to rotate is installed on the box body, a connecting threaded rod is rotatably connected between each annular block and is parallel to the axis of each annular block, a second driving unit used for driving each threaded rod to rotate is installed on the box body, each threaded rod is in threaded connection with an installation frame, a structure enabling the installation frame to axially move along the threaded rod through the rotation of each threaded rod is formed, and descaling brushes are installed on the installation frame and are in sliding connection with the inner annular surface and the outer annular surface.
Preferably, the first driving unit comprises first motors located outside the box body, each first motor is fixedly connected with the box body, a first driving wheel is mounted on a portion, extending into the box body, of an output shaft of each first motor, and each first driving wheel is in transmission connection with the annular block.
Preferably, the second driving unit comprises first driven wheels, each threaded rod is fixedly connected with a first driven wheel, and each first driven wheel is in transmission connection.
Preferably, fixing rods are fixedly connected between the annular blocks, each fixing rod is connected with the mounting frame in a sliding mode, and each fixing rod is parallel to the threaded rod.
Preferably, heat insulation layers are arranged at two ends outside the box body, and each heat insulation layer is located between the box body and the rotary cement kiln.
Preferably, the mounting frame comprises an annular frame, the annular frame is in threaded connection with the threaded rod, the descaling brushes are arranged on the inner side and the outer side of the annular frame, and a connecting frame made of elastic materials is arranged between the annular frame and the descaling brushes.
Preferably, the second driving unit further includes second driven wheels, each of the second driven wheels is annularly distributed around an axis of the inner annular surface, each of the threaded rods is fixedly connected with a second driven wheel, a second motor is installed on the outer side of the box body, a second driving wheel is installed on a portion of an output shaft of the second motor, which extends into the box body, the second driving wheel is in transmission connection with each of the second driven wheels through a ring-shaped member, the ring-shaped member is located on the outer side of an annular structure surrounded by each of the second driven wheels, and a tightening unit for adjusting the degree of tightness of the ring-shaped member is installed between the annular structure and the second driving wheel in the box body.
Preferably, the elastic unit comprises connecting rods, one end of each connecting rod is slidably connected with the box body, the other end of each connecting rod is rotatably connected with an elastic wheel which is used for being in contact fit with the annular piece, and an elastic piece made of elastic material is arranged between the other end of each connecting rod and the box body.
The invention provides a waste heat recovery device of a rotary cement kiln, which has the following beneficial effects compared with the prior art:
1. operation through first drive unit, make the relative box of annular piece rotate, thereby drive each threaded rod and the relative box synchronous rotation of annular piece, be convenient for each scale removal brush along cement rotary kiln circumferential direction, internal annular face, outer annular face cleans, operation through second drive unit, make the relative annular piece of each threaded rod rotatory, the synchronous rotation of each threaded rod makes the mounting bracket along the axial displacement of threaded rod, thereby make each scale removal brush along cement rotary kiln's axial displacement, internal annular face, outer annular face cleans, when clean, do not influence cement rotary kiln operation and waste heat recovery, be convenient for clear away the incrustation scale in the waste heat recovery device.
Drawings
FIG. 1 is a schematic front sectional view of the present invention.
FIG. 2 is a schematic view of the invention in the direction of A-A.
FIG. 3 is a schematic view of the present invention taken along the direction B-B.
FIG. 4 is a schematic view of the present invention taken along the line C-C.
FIG. 5 is a schematic view of the present invention taken along line D-D.
In the figure: the device comprises a rotary cement kiln 1, a box body 2, a 2.1 inner annular surface, a 2.2 outer annular surface, a 3 liquid inlet, a 4 liquid outlet, a 5 annular block, a 6 first driving unit, a 6.1 first motor, a 6.2 first driving wheel, a 7 threaded rod, a 8 second driving unit, a 8.1 first driven wheel, a 8.2 second driven wheel, a 8.3 second motor, a 8.4 second driving wheel, a 8.5 annular piece, a 8.6 elastic unit, a 8.6A connecting rod, a 8.6B elastic wheel, a 8.6C elastic piece, a 9 mounting rack, a 9.1 annular rack, a 9.2 connecting rack, a 10 descaling brush, a 11 fixing rod, a 12 heat insulation layer and a 13 opening.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance in the description of the present invention, it being noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1-5, the present invention provides a technical solution: the waste heat recovery device of the cement rotary kiln comprises a box body 2 externally sleeved on the cement rotary kiln 1, two end faces of the box body 2 extend inwards to enable the box body 2 to be clamped and fixed on the cement rotary kiln 1, a cylindrical inner annular face 2.1 and a cylindrical outer annular face 2.2 which are coaxial are arranged in the box body 2, a liquid inlet 3 and a liquid outlet 4 are formed in the box body 2, liquid such as water flows in the box body 2 through the liquid inlet 3 and the liquid outlet 4, waste heat of the outer wall of the cement rotary kiln 1 is transferred into the liquid, and waste heat recovery is carried out, when the waste heat recovery device is used, the inner annular face 2.1 is a metal surface on the water side of a main heating surface, connecting rings 5 are rotated at two ends in the box body 2, a first driving unit 6 used for driving the annular blocks 5 to rotate is installed on the box body 2, threaded rods 7 are rotatably connected among the annular blocks 5, two ends of the threaded rods 7 are rotatably connected with the annular blocks 5, and the threaded rods 7 are parallel to the axis of the annular blocks 5, the box body 2 is provided with a second driving unit 8 for driving each threaded rod 7 to rotate, each threaded rod 7 is in threaded connection with a mounting frame 9, a structure which enables the mounting frame 9 to move along the axial direction of the threaded rod 7 through the rotation of each threaded rod 7 is formed, each descaling brush 10 is mounted on the mounting frame 9, each descaling brush 10 is in sliding connection with the inner annular surface 2.1 and the outer annular surface 2.2, the annular block 5 rotates relative to the box body 2 through the operation of the first driving unit 6, each threaded rod 7 and the annular block 5 are driven to rotate synchronously relative to the box body 2, each descaling brush 10 is convenient to move along the circumferential direction of the cement rotary kiln 1, the descaling brushes 10 rub the inner annular surface 2.1 and the outer annular surface 2.2, the inner annular surface 2.1 and the outer annular surface 2.2 are cleaned, so as to remove scale on the inner annular surface 2.1 and scale or other impurities possibly appearing on the outer annular surface 2.2, and the operation of the second driving unit 8 is adopted, make each threaded rod 7 rotatory annular piece 5 relatively, the synchronous revolution of each threaded rod 7 makes the mounting bracket 9 along the axial displacement of threaded rod 7, make mounting bracket 9 along the structure of threaded rod 7 axial displacement with this rotation that forms through each threaded rod 7, thereby make each descaling brush 10 along the axial displacement of cement rotary kiln 1, internal annular surface 2.1, outer annular surface 2.2 cleans, when clean, do not influence 1 operation of cement rotary kiln and waste heat recovery, be convenient for clear away the incrustation scale in the waste heat recovery device.
In an embodiment, the first driving unit 6 includes first motors 6.1 located outside the box 2, each first motor 6.1 is fixed to the box 2 by bolts, a first driving wheel 6.2 is installed on a portion of an output shaft of each first motor 6.1 extending into the box 2, each first driving wheel 6.2 is in toothed transmission connection with the annular block 5, a sealing ring is installed at a joint of the output shaft of the first motor 6.1 and the box 2, two first driving wheels 6.2, two first motors 6.1 and two annular blocks 5 are located at two ends of the box 2, each first driving wheel 6.2 is a gear, gear teeth matched with the first driving wheels 6.2 are arranged on an outer side surface of the annular block 5, and the annular block 5 is driven to rotate relative to the box 2 by operation of the first motors 6.1.
In one embodiment, the second drive unit 8 comprises a first driven wheel 8.1, the threaded rods 7 are keyed to the first driven wheel 8.1, the first driven wheels 8.1 are chain driven, and the first driven wheels 8.1 are chain wheels, so that the threaded rods 7 rotate synchronously.
In one embodiment, the second driving unit 8 further includes a second driven wheel 8.2, each second driven wheel 8.2 is annularly distributed around the axis of the inner annular surface 2.1, each threaded rod 7 is keyed to fix the second driven wheel 8.2, the outer side of the box 2 is bolted to the second motor 8.3, the part of the output shaft of the second motor 8.3 extending into the box 2 is provided with a second driving wheel 8.4, wherein the joint of the output shaft of the second motor 8.3 and the box 2 is provided with a sealing ring, the second driving wheel 8.4 is in transmission connection with each second driven wheel 8.2 through a ring 8.5, the ring 8.5 is a component such as a transmission belt, a transmission chain and the like, the ring 8.5 is located outside the annular structure surrounded by each second driven wheel 8.2, the box 2 is provided with a tightening unit 8.6 for adjusting the tightness of the ring 8.5 between the annular structure and the second driving wheel 8.4, the ring 7 and the annular block 5 are rotated relative to the box 2 through the ring 8.5, the rotation of the threaded rod 7 driven by the second motor 8.3 relative to the annular block 5 is not influenced.
In one embodiment, the tension unit 8.6 includes connecting rods 8.6A, one end of each connecting rod 8.6A is slidably connected to the case 2, the other end of each connecting rod 8.6A is rotatably connected to a tension wheel 8.6B for contacting and cooperating with the ring 8.5, an elastic member 8.6C made of elastic material such as a spring is clamped between the other end of each connecting rod 8.6A and the case 2, the number of the connecting rods 8.6A, the tension wheels 8.6B and the elastic member 8.6C is two, the tension wheels 8.6B are pulleys or sprockets cooperating with the ring 8.5, and the degree of tension of the ring 8.5 is adjusted by the elastic member 8.6C, so that the ring 8.5 is always well fitted with the second driving wheel 8.4 and the second driven wheel 8.2.
In one embodiment, fixing rods 11 are welded between the annular blocks 5, the fixing rods 11 are slidably connected with the mounting frame 9, the fixing rods 11 are parallel to the threaded rod 7, and the annular blocks 5 can be synchronously rotated conveniently through the fixing rods 11.
In an embodiment, the fixing rod 11 is rotatably connected with the first driven wheel 8.1 and the second driven wheel 8.2, the number of the fixing rod 11 and the threaded rod 7 is suitable for three, the number of the first driven wheel 8.1 and the number of the second driven wheel 8.2 are suitable for six, the box body 2 is prevented from influencing the transmission connection between the driven wheels by installing part of the driven wheels on the fixing rod 11, and the fixing rods 11 and the threaded rods 7 are uniformly distributed on the outer side of the inner annular surface 2.1 in an annular shape.
In one embodiment, the box body 2 is provided with a filter screen at the liquid outlet 4, so that the cleaned impurities can be conveniently filtered out.
In one embodiment, heat insulating layers 12 are arranged at two outer ends of the box body 2, each heat insulating layer 12 is positioned between the box body 2 and the rotary cement kiln 1, a maintaining plate is arranged in each heat insulating layer 12 and clamped and fixed with the box body 2, and the metal surface on the water side of the heated surface in the box body 2 is positioned in a range which can be cleaned by the descaling brushes 10 through the heat insulating layers 12.
In one embodiment, the mounting frame 9 includes an annular frame 9.1, the annular frame 9.1 is in threaded connection with the threaded rod 7, descaling brushes 10 are arranged on the inner side and the outer side of the annular frame 9.1, a connecting frame 9.2 made of elastic materials such as spring steel sheets is arranged between the annular frame 9.1 and the descaling brushes 10, one side of the connecting frame 9.2 is fixed with the annular frame 9.1 through screws, the other side of the connecting frame 9.2 is clamped and fixed with the descaling brushes 10, the number of the descaling brushes 10 is suitable such as twelve, the descaling brushes 10 are uniformly distributed on the outer side of the inner annular surface 2.1 in an annular shape, gaps are reserved among the descaling brushes 10, and liquid in the box body 2 can conveniently flow through.
In one embodiment, the housing 2 is provided with two openings 13 at both ends, and two openings 13 are provided, through each opening 13, to facilitate the installation of components and the replacement of the brush 10, and the housing 2 is bolted to the cover plate at the opening 13 for closing the opening 13.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not to be construed as limiting the invention. Many variations and modifications can be made by one skilled in the art without departing from the principles of the invention, which should also be considered as the scope of the invention.
Claims (8)
1. The waste heat recovery device of the rotary cement kiln is characterized in that: the device comprises a box body (2) sleeved outside a cement rotary kiln (1), wherein a cylindrical inner annular surface (2.1) and an outer annular surface (2.2) which are coaxial are arranged in the box body (2), a liquid inlet (3) and a liquid outlet (4) are formed in the box body (2), annular blocks (5) are rotatably connected at two ends in the box body (2), a first driving unit (6) for driving each annular block (5) to rotate is installed on the box body (2), a threaded rod (7) is rotatably connected between each annular block (5), each threaded rod (7) is parallel to the axis of each annular block (5), a second driving unit (8) for driving each threaded rod (7) to rotate is installed on the box body (2), each threaded rod (7) is in threaded connection with an installation rack (9), and a structure for enabling the installation rack (9) to axially move along the threaded rod (7) through the rotation of each threaded rod (7) is formed, the descaling device is characterized in that descaling brushes (10) are mounted on the mounting frame (9), and each descaling brush (10) is connected with the inner annular surface (2.1) and the outer annular surface (2.2) in a sliding mode.
2. The rotary cement kiln waste heat recovery device as claimed in claim 1, characterized in that: the first driving unit (6) comprises first motors (6.1) located on the outer side of the box body (2), each first motor (6.1) is fixedly connected with the box body (2), a first driving wheel (6.2) is installed on the portion, extending into the box body (2), of an output shaft of each first motor (6.1), and each first driving wheel (6.2) is in transmission connection with the annular block (5).
3. The rotary cement kiln waste heat recovery device as claimed in claim 1, characterized in that: the second driving unit (8) comprises first driven wheels (8.1), each threaded rod (7) is fixedly connected with one first driven wheel (8.1), and each first driven wheel (8.1) is in transmission connection.
4. The rotary cement kiln waste heat recovery device as claimed in claim 1, characterized in that: fixing rods (11) are fixedly connected between the annular blocks (5), each fixing rod (11) is connected with the mounting frame (9) in a sliding mode, and each fixing rod (11) is parallel to the threaded rod (7).
5. The rotary cement kiln waste heat recovery device as claimed in claim 1, characterized in that: thermal insulation layers (12) are arranged at two outer ends of the box body (2), and each thermal insulation layer (12) is located between the box body (2) and the rotary cement kiln (1).
6. The rotary cement kiln waste heat recovery device as claimed in claim 1, characterized in that: the mounting rack (9) comprises an annular rack (9.1), the annular rack (9.1) is in threaded connection with the threaded rod (7), descaling brushes (10) are arranged at the inner side and the outer side of the annular rack (9.1), and a connecting rack (9.2) made of elastic materials is arranged between the annular rack (9.1) and the descaling brushes (10).
7. The rotary cement kiln waste heat recovery device as claimed in claim 3, characterized in that: the second driving unit (8) further comprises second driven wheels (8.2), each second driven wheel (8.2) is annularly distributed around the axis of the inner annular surface (2.1), each threaded rod (7) is fixedly connected with a second driven wheel (8.2), a second motor (8.3) is installed on the outer side of the box body (2), a second driving wheel (8.4) is installed on the portion, extending into the box body (2), of an output shaft of the second motor (8.3), the second driving wheel (8.4) is in transmission connection with each second driven wheel (8.2) through a ring-shaped piece (8.5), the ring-shaped piece (8.5) is located on the outer side of an annular structure formed by the second driven wheels (8.2), and a tightness unit (8.6) used for adjusting tightness of the ring-shaped piece (8.5) is installed between the annular structure and the second driving wheel (8.4) on the box body (2).
8. The rotary cement kiln waste heat recovery device as claimed in claim 7, characterized in that: the elastic unit (8.6) comprises connecting rods (8.6A), one end of each connecting rod (8.6A) is connected with the box body (2) in a sliding mode, the other end of each connecting rod (8.6A) is rotatably connected with an elastic wheel (8.6B) which is used for being in contact fit with the annular piece (8.5), and an elastic piece (8.6C) made of elastic materials is installed between the other end of each connecting rod (8.6A) and the box body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210457576.5A CN114791222A (en) | 2022-04-28 | 2022-04-28 | Waste heat recovery device of rotary cement kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210457576.5A CN114791222A (en) | 2022-04-28 | 2022-04-28 | Waste heat recovery device of rotary cement kiln |
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|---|---|
| CN114791222A true CN114791222A (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210457576.5A Pending CN114791222A (en) | 2022-04-28 | 2022-04-28 | Waste heat recovery device of rotary cement kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101727A (en) * | 1981-07-16 | 1983-01-19 | Interatom | A device for cooling rotary cylindrical kilns and for exploiting the waste heat therefrom |
| CN2811901Y (en) * | 2005-08-11 | 2006-08-30 | 北京东方能汇能源工程技术有限公司 | Cement rotary kiln body with surface heat energy recovery device |
| CN101290190A (en) * | 2008-01-25 | 2008-10-22 | 钱建荣 | Cement rotary kiln barrel radiation, reclaiming and utilizing device |
| CN102636022A (en) * | 2012-04-28 | 2012-08-15 | 中国科学院广州能源研究所 | Cylinder wall residual heat recovery and heat transfer device of dry method cement rotary kiln |
| CN103471411A (en) * | 2013-10-12 | 2013-12-25 | 攀枝花学院 | Waste heat recovery device for outer wall of cement rotary kiln |
| CN104634122A (en) * | 2013-11-13 | 2015-05-20 | 西安上尚机电有限公司 | Rotary cement kiln tail waste heat power-generating device |
| CN109855432A (en) * | 2019-03-28 | 2019-06-07 | 成都建筑材料工业设计研究院有限公司 | A kind of cement rotary kiln barrel residual heat utilizes device and assemble method |
| CN112013675A (en) * | 2020-09-08 | 2020-12-01 | 黄建威 | Cement rotary kiln outer wall waste heat recovery device |
-
2022
- 2022-04-28 CN CN202210457576.5A patent/CN114791222A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2101727A (en) * | 1981-07-16 | 1983-01-19 | Interatom | A device for cooling rotary cylindrical kilns and for exploiting the waste heat therefrom |
| CN2811901Y (en) * | 2005-08-11 | 2006-08-30 | 北京东方能汇能源工程技术有限公司 | Cement rotary kiln body with surface heat energy recovery device |
| CN101290190A (en) * | 2008-01-25 | 2008-10-22 | 钱建荣 | Cement rotary kiln barrel radiation, reclaiming and utilizing device |
| CN102636022A (en) * | 2012-04-28 | 2012-08-15 | 中国科学院广州能源研究所 | Cylinder wall residual heat recovery and heat transfer device of dry method cement rotary kiln |
| CN103471411A (en) * | 2013-10-12 | 2013-12-25 | 攀枝花学院 | Waste heat recovery device for outer wall of cement rotary kiln |
| CN104634122A (en) * | 2013-11-13 | 2015-05-20 | 西安上尚机电有限公司 | Rotary cement kiln tail waste heat power-generating device |
| CN109855432A (en) * | 2019-03-28 | 2019-06-07 | 成都建筑材料工业设计研究院有限公司 | A kind of cement rotary kiln barrel residual heat utilizes device and assemble method |
| CN112013675A (en) * | 2020-09-08 | 2020-12-01 | 黄建威 | Cement rotary kiln outer wall waste heat recovery device |
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