CN218380513U

CN218380513U - Cement manufacture rotary kiln waste heat recovery utilizes device

Info

Publication number: CN218380513U
Application number: CN202221738493.5U
Authority: CN
Inventors: 谢永新; 杨玉柱; 杨瑜; 董亚楠; 南建伟; 王刚辉; 胡海林; 王会宙; 李召; 佟学岩; 刘成刚; 张显峰; 苏跃; 王跃平; 毕铁钢; 孙艳军; 甘喜宝; 陈敬; 吴鹏; 王岩
Original assignee: Baoding Taihang Heyi Environmental Protection Technology Co ltd
Current assignee: Baoding Taihang Heyi Environmental Protection Technology Co ltd
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-24
Anticipated expiration: 2032-07-07

Abstract

The utility model belongs to the technical field of rotary kiln waste heat recovery, especially, be a cement manufacture rotary kiln waste heat recovery utilizes device, including box, barrel and containing box, containing box damping sliding seal installs on the bottom inner wall of box, there are connecting pipe and outlet duct in the both sides difference fixed mounting of box, the connecting pipe is kept away from the one end of box and is rotated and install hollow rotary drum, the one end that the connecting pipe was kept away from to hollow rotary drum is rotated and is installed the intake pipe, fixed mounting has fixed flabellum in the hollow rotary drum, the fixed cover in the outside of hollow rotary drum is equipped with the lower gear, the horizontal rotation installs the cross axle on the box. The utility model relates to a rationally, easy operation can dry the operation or heat the operation to liquid material to powdery material, can retrieve once more remaining heat that is not fully utilized simultaneously, the effectual utilization efficiency who improves the waste heat, and it is comparatively convenient to use.

Description

Cement manufacture rotary kiln waste heat recovery utilizes device

Technical Field

The utility model relates to a rotary kiln waste heat recovery technical field, in particular to cement manufacture rotary kiln waste heat recovery utilizes device.

Background

The cement rotary kiln belongs to the field of building material equipment, and is one kind of lime kiln. The rotary kiln can be divided into a cement rotary kiln, a metallurgical chemical rotary kiln and a lime rotary kiln according to different materials to be treated. The rotary cement kiln is the main equipment of the cement clinker dry and wet production line. The process of the rotary kiln can generate a large amount of waste heat, the direct discharge can cause the waste of resources, therefore, the waste heat recovery and utilization device is required to carry out the recovery operation on the waste heat, and through retrieval, the Chinese patent with the authorization publication number of CN 215909623U proposes a rotary kiln waste heat recovery and utilization device, which has the advantages of convenient use and the capability of serving as a dryer to dry industrial products such as titanium dioxide, but still has the following defects: only be adapted to the stoving of solid-state material, the suitability is not good enough, and the in-process of drying simultaneously not by make full use of's waste heat can be directly discharged, has reduced the recycle ratio of waste heat, contains a certain amount of impurity in the high-temperature gas of rotary kiln output simultaneously, does not possess the function of filtering and collecting impurity in the above-mentioned patent, consequently, the utility model provides a cement production rotary kiln waste heat recovery utilizes device is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a waste heat recycling device of a rotary kiln for cement production.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a cement manufacture rotary kiln waste heat recovery utilizes device, includes box, barrel and containing box, containing box damping sliding seal installs on the bottom inner wall of box, the both sides of box fixed mounting respectively has connecting pipe and outlet duct, the connecting pipe is kept away from the one end of box and is rotated and install hollow rotary drum, the one end that the connecting pipe was kept away from to hollow rotary drum is rotated and is installed the intake pipe, fixed mounting has fixed flabellum in the hollow rotary drum, the fixed cover in the outside of hollow rotary drum is equipped with down the gear, the horizontal rotation is installed the cross axle on the box, the one end of cross axle extends to the box outside and fixed cover is equipped with the gear, and goes up gear and lower gear mesh mutually, be provided with clean subassembly in the box, circular mouth has been seted up at the top of box, the barrel passes through circular mouth movable mounting on the box, the top fixed mounting of barrel has the circular slab, fixed mounting has the feeder hopper on the circular slab, fixed mounting has the outer peripheral face of circular slab, sliding seal installs the filter plate on the inner wall of box, one side of box is provided with transmission subassembly, and transmission subassembly is connected with outer fluted disc, be provided with the stirring subassembly in the barrel, be provided with the waste heat recovery subassembly on the box.

Preferably, the cleaning assembly comprises a first bevel gear, a cleaning brush, a second bevel gear, a support ring and a strip-shaped plate, the support ring is fixedly mounted on the inner wall of the box body, an annular groove is formed in the inner peripheral surface of the support ring, the strip-shaped plate is rotatably mounted in the annular groove as the center based on the rotating shaft, the cleaning brush is fixedly mounted on the top side of the strip-shaped plate, the top side of the cleaning brush is in contact with the filter plate, a rotating pin is vertically and fixedly mounted on the bottom side of the strip-shaped plate, a second bevel gear is fixedly arranged at the bottom end of the rotating pin, a second bevel gear is fixedly arranged at one end, away from the upper gear, of the transverse shaft, and the second bevel gear is meshed with the first bevel gear.

Preferably, the transmission assembly comprises a rotating rod, a first bevel gear, a second bevel gear and a transmission gear, two fixing plates are fixedly mounted on one side of the box body, the two fixing plates are rotatably mounted with the same rotating rod, the top end of the rotating rod is fixedly provided with the transmission gear, the transmission gear is meshed with the outer fluted disc, the bottom end of the rotating rod is fixedly provided with the second bevel gear, the transverse shaft is fixedly provided with the first bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, the stirring subassembly includes the pivot, a plurality of puddlers, a plurality of side scraper, a plurality of end scraper, the support bar fixed pin, tenon and tenon cover, the pivot is installed in vertical rotation on the bottom inner wall of barrel, fixed mounting has a plurality of puddlers in the pivot, the one end fixed mounting that the pivot was kept away from to a plurality of puddlers has a plurality of side scraper, a plurality of side scraper are parallel arrangement, a plurality of side scraper all contact with the inner wall of barrel, the bottom of a plurality of side scraper all is fixed with end scraper, a plurality of end scraper all contact with the bottom inner wall of barrel, horizontal fixed mounting has the support bar on the inner wall of box, fixed mounting has the fixed pin on the support bar, the top welding of fixed pin has the tenon, the bottom of pivot extends to the below of barrel and welds there is the tenon cover, tenon cover activity joint is on the tenon.

Preferably, the waste heat recovery assembly comprises a water tank, a heat absorption pipe, a water pump and an elbow pipe, the water tank and the water pump are fixedly mounted on one side, away from the connecting pipe, of the box body, the same elbow pipe is connected to water inlets of the water tank and the water pump, the heat absorption pipe is fixedly mounted on the inner wall of the box body and is in a spiral arrangement, and two ends of the heat absorption pipe are respectively communicated with a water outlet of the water pump and the water tank.

Preferably, one side of the filter plate extends to the outside of the box body and is fixedly provided with a barrier strip, the front side of the containing box extends to the outside of the box body and is fixedly provided with a baffle, and the baffle and the barrier strip are both fixedly provided with handles.

Preferably, four support plates are fixedly mounted on the top side of the circular plate, two holding rods are fixedly mounted on the four support plates, and the two holding rods are arranged in parallel.

Preferably, the top of the box body is fixedly provided with a sealing ring, and the bottom side of the circular plate is in movable sealing contact with the sealing ring.

The utility model has the advantages that: the utility model discloses in, can pass through the intake pipe at rotary kiln exhaust high-temperature gas through fixed flabellum, hollow drum and the in-process drive hollow drum of connecting pipe entering box rotate, can make the cross axle drive clean subassembly and carry out cleaning operation to the filter plate under the cooperation of gear and last gear down, can intercept and filter the impurity in the high-temperature gas through the filter plate, can drive the circular slab through the fluted disc under drive assembly's cooperation and rotate, thereby can make the barrel rotate, at the lath, the fixed pin, the tenon cover, the apparatus further comprises a rotating shaft, the puddler, can stir the material in the barrel under the cooperation of side scraper blade and end scraper blade, thereby can make it keep the even being heated, can retrieve the heat that is not fully utilized through the waste heat recovery subassembly, can collect the debris that clean the subassembly was cleared up out through the containing box, be convenient for the filter plate when the device stop work through handle and holding rod, containing box and barrel carry out quick assembly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a three-dimensional structure of a waste heat recycling device of a rotary kiln for cement production provided by the utility model;

fig. 2 is a schematic sectional structural view of the waste heat recycling device of the rotary kiln for cement production according to the present invention;

fig. 3 is a schematic structural view of a part a of the waste heat recycling device of the rotary kiln for cement production provided by the utility model;

fig. 4 is a schematic structural diagram of a part B in the waste heat recycling device of the rotary cement production kiln provided by the present invention;

fig. 5 is a schematic sectional structure view of the hollow drum portion according to the present invention.

In the figure: 1. a box body; 11. a connecting pipe; 12. a hollow drum; 121. fixing the fan blades; 122. a lower gear; 13. a horizontal axis; 131. an upper gear; 132. a first bevel gear; 133. a first bevel gear; 14. a support ring; 141. a strip plate; 142. a cleaning brush; 143. a second bevel gear; 15. rotating the rod; 16. a second bevel gear; 17. a transmission gear; 2. filtering a plate; 3. a cylinder body; 31. a circular plate; 311. an external fluted disc; 32. a rotating shaft; 321. a side flight; 322. a bottom squeegee; 4. a water tank; 41. a heat absorbing tube; 42. a water pump; 5. a storage box; 51. and a baffle plate.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a waste heat recycling device of a cement production rotary kiln comprises a box body 1, a cylinder 3 and a storage box 5, wherein the storage box 5 is installed on the inner wall of the bottom of the box body 1 in a damping sliding and sealing manner, a connecting pipe 11 and an air outlet pipe are respectively and fixedly installed on two sides of the box body 1, one end, away from the box body 1, of the connecting pipe 11 is rotatably installed with a hollow rotary drum 12, one end, away from the connecting pipe 11, of the hollow rotary drum 12 is rotatably installed with an air inlet pipe, fixed blades 121 are fixedly installed in the hollow rotary drum 12, a lower gear 122 is fixedly sleeved on the outer side of the hollow rotary drum 12, a transverse shaft 13 is horizontally and rotatably installed on the box body 1, one end of the transverse shaft 13 extends out of the box body 1 and is fixedly sleeved with an upper gear 131, the upper gear 131 is meshed with the lower gear 122, a filter plate 2 is installed on the inner wall of the box body 1 in a sliding and sealing manner, a support ring 14 is fixedly installed on the inner wall of the box body 1, and an annular groove is formed on the inner circumferential surface of the support ring 14, a strip-shaped plate 141 is rotatably installed in the annular groove based on the rotating shaft 32 as the center, a cleaning brush 142 is fixedly installed on the top side of the strip-shaped plate 141, the top side of the cleaning brush 142 is in contact with the filter plate 2, a rotating pin is vertically and fixedly installed on the bottom side of the strip-shaped plate 141, a bevel gear II 143 is fixedly installed at the bottom end of the rotating pin in a fixing way, a bevel gear II 143 is fixedly installed at one end of the transverse shaft 13 away from the upper gear 131 in a fixing way, and the bevel gear II 143 is meshed with the bevel gear I132, so that the cleaning brush 142 can be controlled to clean the filter plate 2 when the transverse shaft 13 rotates, a circular opening is formed in the top of the box body 1, the cylinder body 3 is movably installed on the box body 1 through the circular opening, a circular plate 31 is fixedly installed on the top of the cylinder body 3, a feed hopper is fixedly installed on the circular plate 31, an external gear 311 is fixedly installed on the outer circumferential surface of the circular plate 31, and two fixing plates are fixedly installed on one side of the box body 1, the same rotating rod 15 is rotatably mounted on the two fixed plates, the top end of the rotating rod 15 is fixedly sleeved with a transmission gear 17, the transmission gear 17 is engaged with an external fluted disc 311, the bottom end of the rotating rod 15 is fixedly sleeved with a second bevel gear 16, the transverse shaft 13 is fixedly sleeved with a first bevel gear 133, the second bevel gear 16 is engaged with the first bevel gear 133, the circular plate 31 can be driven to rotate by the external fluted disc 311 when the transverse shaft 13 rotates, thereby controlling the barrel 3 to rotate, a rotating shaft 32 is vertically and rotatably installed on the inner wall of the bottom of the barrel 3, a plurality of stirring rods are fixedly installed on the rotating shaft 32, a plurality of side scrapers 321 are fixedly installed at one ends of the stirring rods far away from the rotating shaft 32, the side scrapers 321 are arranged in parallel, the side scrapers 321 are all contacted with the inner wall of the barrel 3, bottom scrapers 322 are fixedly installed at the bottoms of the side scrapers 321, the bottom scrapers 322 are all contacted with the inner wall of the bottom of the barrel 3, a support bar is horizontally and fixedly installed on the inner wall of the box body 1, a fixing pin is fixedly installed on the support bar, a tenon is welded at the top end of the fixing pin, the bottom end of the rotating shaft 32 extends to the lower part of the barrel 3 and is welded with a tenon sleeve, the tenon sleeve is movably clamped on the tenon, materials which need to be dried in the barrel 3 can be stirred by the stirring rods when the barrel 3 rotates, thereby enabling the materials to be uniformly heated, and then can improve the efficiency of drying, one side fixed mounting that connecting pipe 11 was kept away from to box 1 has water tank 4 and water pump 42, is connected with same return bend on the water inlet of water tank 4 and water pump 42, and fixed mounting has heat absorption pipe 41 on the inner wall of box 1, and heat absorption pipe 41 is spiral arrangement, and the both ends of heat absorption pipe 41 are linked together with water pump 42's delivery port and water tank 4 respectively to can retrieve the heat that is not make full use of.

In this embodiment, one side of filter plate 2 extends to the outside of box 1 and fixed mounting has the blend stop, and the front side of containing box 5 extends to the outside of box 1 and fixed mounting has baffle 51, and equal fixed mounting has the handle on baffle 51 and the blend stop to be convenient for operate containing box 5 and filter plate 2.

In this embodiment, four supporting plates are fixedly mounted on the top side of the circular plate 31, two holding rods are fixedly mounted on the four supporting plates, and the two holding rods are arranged in parallel, so that the barrel 3 can be conveniently taken out of the box body 1 through the circular plate 31.

In this embodiment, a sealing ring is fixedly installed on the top of the box body 1, and the bottom side of the circular plate 31 is in movable sealing contact with the sealing ring, so that air leakage can be avoided.

The working principle is as follows: when the rotary drying device is used, firstly, a power supply is switched on, a proper amount of cooling liquid is injected into the water tank 4, powdery materials to be dried or liquid materials to be heated are poured into the barrel 3 from the feed hopper, the air inlet pipe is connected with a discharge pipe of the rotary kiln, high-temperature waste gas in the rotary kiln enters the box body 1 through the air inlet pipe, the hollow rotary drum 12 and the connecting pipe 11, when the high-temperature waste gas passes through the hollow rotary drum 12, the hollow rotary drum 12 can rotate under the cooperation of the fixed fan blades 121, the high-temperature waste gas entering the box body 1 is filtered by the filter plate 2 and moves upwards to dry or heat materials in the barrel 3, the hollow rotary drum 12 drives the transverse shaft 13 to rotate through the lower gear 122 and the upper gear 131, the rotating pin drives the strip-shaped plate 141 to rotate under the cooperation of the bevel gear one 132 and the bevel gear two 143, so that the cleaning brush 142 can be controlled to clean the bottom side of the filter plate 2, further the filter plate 2 can be prevented from being blocked, the bevel gear one 31 can be controlled to drive the barrel 3 to rotate under the cooperation of the bevel gear one bevel gear 132, the bevel gear one 16, the stirring rod, the side of the stirring rod, the square shaft, the scraper 321 and the outer fluted disc 311 are matched with the scraper, so that the waste heat absorption water can be used for improving the uniformity of the material in the cooling water conveying efficiency of the barrel 4, and the waste heat absorption pipe can be improved, and the waste heat recovery water pump 41 for the material in the heat absorption pipe for the heat recovery water in the heat recovery water recovery device.

It is right above the utility model provides a cement manufacture rotary kiln waste heat recovery utilizes device has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific embodiments, which are merely used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims

1. The waste heat recycling device of the cement production rotary kiln is characterized by comprising a box body (1), a cylinder body (3) and a storage box (5), wherein the storage box (5) is installed on the inner wall of the bottom of the box body (1) in a damping sliding sealing mode, a connecting pipe (11) and an air outlet pipe are respectively and fixedly installed on two sides of the box body (1), one end, far away from the box body (1), of the connecting pipe (11) is rotatably installed with a hollow rotary drum (12), one end, far away from the connecting pipe (11), of the hollow rotary drum (12) is rotatably installed with an air inlet pipe, a fixed fan blade (121) is fixedly installed in the hollow rotary drum (12), a lower gear (122) is fixedly sleeved on the outer side of the hollow rotary drum (12), a transverse shaft (13) is horizontally rotatably installed on the box body (1), one end of the transverse shaft (13) extends to the outer side of the box body (1) and is fixedly sleeved with an upper gear (131), the upper gear (131) is meshed with the lower gear (122), a cleaning assembly is arranged in the box body (1), a circular opening is formed in the top of the box body (1), the cylinder body (3) is movably installed on a circular plate (31), and a circular plate (31) is fixedly installed on the outer peripheral surface of the circular plate (31), the novel waste heat recovery device is characterized in that a filter plate (2) is installed on the inner wall of the box body (1) in a sliding and sealing mode, a transmission assembly is arranged on one side of the box body (1) and is connected with a transverse shaft (13) and an outer fluted disc (311), a stirring assembly is arranged in the barrel body (3), and a waste heat recovery assembly is arranged on the box body (1).

2. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: the cleaning assembly comprises a first bevel gear (132), a cleaning brush (142), a second bevel gear (143), a support ring (14) and a strip-shaped plate (141), the inner wall of the box body (1) is fixedly provided with the support ring (14), an annular groove is formed in the inner peripheral surface of the support ring (14), the strip-shaped plate (141) is rotatably installed in the annular groove as the center based on a rotating shaft (32), the top side of the strip-shaped plate (141) is fixedly provided with the cleaning brush (142), the top side of the cleaning brush (142) is in contact with the filter plate (2), a rotating pin is vertically and fixedly installed on the bottom side of the strip-shaped plate (141), a second bevel gear (143) is fixedly arranged at the bottom end of the rotating pin, a fixed sleeve of one end, away from the upper gear (131), of the transverse shaft (13) is provided with the second bevel gear (143), and the second bevel gear (143) is meshed with the first bevel gear (132).

3. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: the transmission assembly comprises a rotating rod (15), a first bevel gear (133), a second bevel gear (16) and a transmission gear (17), two fixing plates are fixedly mounted on one side of the box body (1), the two fixing plates are rotatably mounted with the same rotating rod (15), the top end of the rotating rod (15) is fixedly provided with the transmission gear (17), the transmission gear (17) is meshed with the outer fluted disc (311), the bottom end of the rotating rod (15) is fixedly provided with the second bevel gear (16), the transverse shaft (13) is fixedly provided with the first bevel gear (133), and the second bevel gear (16) is meshed with the first bevel gear (133).

4. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: stirring subassembly includes pivot (32), a plurality of puddler, a plurality of side scraper blade (321), a plurality of end scraper blade (322), the support bar fixed pin, tenon and tenon cover, vertical rotation installs pivot (32) on the bottom inner wall of barrel (3), fixed mounting has a plurality of puddler on pivot (32), the one end fixed mounting that pivot (32) were kept away from to a plurality of puddler has a plurality of side scraper blade (321), a plurality of side scraper blade (321) are parallel arrangement, a plurality of side scraper blade (321) all contact with the inner wall of barrel (3), the bottom of a plurality of side scraper blade (321) all fixed mounting end scraper blade (322), a plurality of end scraper blade (322) all contact with the bottom inner wall of barrel (3), horizontal fixed mounting has the support bar on the inner wall of box (1), fixed mounting has the fixed pin on the support bar, the welding of top tenon, the bottom of pivot (32) extends to the below of barrel (3) and the welding has the tenon cover, the tenon cover activity joint is overhead.

5. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: the waste heat recovery assembly comprises a water tank (4), a heat absorption pipe (41), a water pump (42) and a bent pipe, wherein the water tank (4) and the water pump (42) are fixedly installed on one side, away from the connecting pipe (11), of the box body (1), the water inlet of the water tank (4) and the water inlet of the water pump (42) are connected with the same bent pipe, the heat absorption pipe (41) is fixedly installed on the inner wall of the box body (1), the heat absorption pipe (41) is arranged in a spiral mode, and two ends of the heat absorption pipe (41) are respectively communicated with a water outlet of the water pump (42) and the water tank (4).

6. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: one side of filter plate (2) extends to the outer and fixed mounting of box (1) has the blend stop, and the front side of containing box (5) extends to the outer and fixed mounting of box (1) has baffle (51), and equal fixed mounting has the handle on baffle (51) and the blend stop.

7. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: four support plates are fixedly mounted on the top side of the circular plate (31), two holding rods are fixedly mounted on the four support plates, and the two holding rods are arranged in parallel.

8. The waste heat recycling device of the cement production rotary kiln as recited in claim 1, characterized in that: the top of the box body (1) is fixedly provided with a sealing ring, and the bottom side of the circular plate (31) is in movable sealing contact with the sealing ring.