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CN-122015506-A - Cement clinker cooling waste heat recovery device

CN122015506ACN 122015506 ACN122015506 ACN 122015506ACN-122015506-A

Abstract

The invention discloses a cement clinker cooling waste heat recovery device, which relates to the technical field of cement processing and comprises a barrel, wherein a vent pipe is vertically arranged in the barrel, a hollow spiral plate positioned between the inner wall of the barrel and the outer wall of the vent pipe is arranged in the barrel, the hollow spiral plate is fixedly connected with the barrel and the vent pipe, two ends of the vent pipe respectively penetrate through the top and the bottom of the barrel, the lower part of the side wall of the vent pipe is connected with a circulating air inlet pipe, the upper part of the side wall of the vent pipe is connected with a circulating air outlet pipe, the upper end and the lower end of the hollow spiral plate are respectively connected with a circulating water outlet pipe and a circulating water inlet pipe, and the circulating water outlet pipe and the circulating water inlet pipe penetrate through the vent pipe and extend to the outside of the barrel, and an air flow disturbance mechanism is arranged in the vent pipe. The invention has compact structure, full heat exchange, double-path forced disturbance function and can realize the gas-water synergistic efficient recovery of waste heat.

Inventors

  • LI HUABIN
  • KOU DONGWEI
  • LIU RUIBING
  • ZHANG XIAOFEI

Assignees

  • 天瑞集团禹州水泥有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (8)

  1. 1. The utility model provides a cement clinker cooling waste heat recovery device, its characterized in that, including barrel (1), the inside of barrel (1) is vertical to be equipped with breather pipe (9), the inside of barrel (1) is equipped with cavity spiral plate (10) that are located between barrel (1) inner wall and the breather pipe (9) outer wall, cavity spiral plate (10) and barrel (1), breather pipe (9) fixed connection, the top and the bottom of barrel (1) are run through respectively at the both ends of breather pipe (9), the lateral wall lower part of breather pipe (9) is connected with circulation intake pipe (3), the lateral wall upper portion of breather pipe (9) is connected with circulation outlet duct (4), the upper and lower both ends of cavity spiral plate (10) are connected with circulation outlet pipe (8), circulation inlet tube (7) respectively, circulation outlet pipe (8), circulation inlet tube (7) all pass breather pipe (9) and extend to the outside of barrel (1), the inside of breather pipe (9) is equipped with air current perturbation mechanism, the inside of cavity spiral plate (10) is equipped with water current perturbation mechanism, the top of barrel (1) is equipped with the water current perturbation mechanism, water current perturbation mechanism.
  2. 2. The cement clinker cooling waste heat recovery device according to claim 1, wherein the driving mechanism comprises a fixing frame (27) fixed at the top of the barrel body (1), a double-shaft motor (23) is fixed at the upper end of the fixing frame (27), two output shafts of the double-shaft motor (23) are respectively fixedly connected with a first rotary table (22) and a second rotary table (24), the edge of the disc surface of the first rotary table (22) is rotationally connected with a linkage rod (21), and the edge of the disc surface of the second rotary table (24) is rotationally connected with a deflector rod (25).
  3. 3. The cement clinker cooling waste heat recovery device according to claim 2, wherein the airflow disturbance mechanism comprises a rotating rod (12) arranged in the vent pipe (9), the rotating rod (12) penetrates through the top of the vent pipe (9), the rotating rod (12) is rotationally connected with the vent pipe (9), a plurality of straight screen plates (13) are fixed on the side wall of the rotating rod (12), the straight screen plates (13) are positioned in the vent pipe (9), the plurality of straight screen plates (13) are arranged at equal intervals along the circumference of the rotating rod (12), a gear (17) positioned above the vent pipe (9) is fixedly sleeved on the side wall of the rotating rod (12), a reciprocating rod (19) is arranged on one side of the gear (17), a rack (18) meshed with the gear (17) is fixed on the side wall of the reciprocating rod (19), and one end of the reciprocating rod (19) is rotationally connected with the linkage rod (21).
  4. 4. The cement clinker cooling waste heat recovery device according to claim 2, wherein the water flow disturbance mechanism comprises a screw rod (15) arranged inside the hollow screw plate (10), a screw screen plate (16) is fixed on the screw rod (15), a lifting rod (14) is fixed at the upper end of the screw rod (15), the upper end of the lifting rod (14) penetrates through the hollow screw plate (10) and the cylinder body (1) and is fixed with a linkage frame (26), and the deflector rod (25) is inserted inside the linkage frame (26).
  5. 5. A cement clinker cooling waste heat recovery device according to claim 3, wherein a guide rod (20) is fixed at the top of the ventilation pipe (9), a guide groove (28) is formed in one end, far away from the linkage rod (21), of the reciprocating rod (19), and the guide rod (20) is slidably inserted into the guide groove (28).
  6. 6. A cement clinker cooling waste heat recovery device according to claim 3, wherein a plurality of heat exchange fins (11) are fixed on the inner wall of the ventilation pipe (9), the plurality of heat exchange fins (11) are arranged at equal intervals along the circumferential direction of the ventilation pipe (9), and the heat exchange fins (11) are arranged at intervals with the straight screen (13).
  7. 7. The cement clinker cooling waste heat recovery device according to claim 1, wherein a feed hopper (5) is arranged at the top of the barrel (1), and a discharge hopper (2) is arranged at the bottom of the barrel (1).
  8. 8. A cement clinker cooling waste heat recovery device according to claim 1, wherein three support legs (6) are fixed to the bottom of the barrel (1).

Description

Cement clinker cooling waste heat recovery device Technical Field The invention relates to the technical field of cement processing, in particular to a cement clinker cooling waste heat recovery device. Background In the cement production process, the cooling and waste heat recovery of the high-temperature clinker are key links for determining the heat efficiency, the energy consumption index and the product quality of the system. At present, conventional cooling equipment such as a grate cooler and the like are commonly adopted in the industry, clinker cooling is realized through blast cooling, and part of hot air waste heat is recovered, but a plurality of inherent defects still exist in actual operation. The traditional equipment adopts open type or semi-open type material layer conveying and cooling mostly, the clinker descending path is short, the distribution is uneven, the contact with a cooling medium is insufficient, the clinker is not thoroughly cooled, the discharging temperature is higher, a large amount of waste heat is discharged along with the clinker after being not effectively extracted, and the obvious energy waste is caused. Meanwhile, most of air flow and water flow are in static or weak disturbance heat exchange modes, a stable boundary layer is easy to form on the air side, laminar flow and temperature layering are easy to occur on the water flow side, heat exchange strength is limited, recovery efficiency of waste heat by two paths of air and water mediums is low, and quick, uniform and thorough heat transfer is difficult to achieve. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides a cement clinker cooling waste heat recovery device. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides a cement clinker cooling waste heat recovery device, includes the barrel, the inside of barrel is vertical to be equipped with the breather pipe, the inside of barrel is equipped with the cavity spiral plate that is located between barrel inner wall and the breather pipe outer wall, cavity spiral plate and barrel, breather pipe fixed connection, the top and the bottom of barrel are run through respectively at the both ends of breather pipe, the lateral wall lower part of breather pipe is connected with circulation intake pipe, the lateral wall upper portion of breather pipe is connected with circulation outlet duct, the upper and lower both ends of cavity spiral plate are connected with circulation outlet pipe, circulation inlet tube respectively, circulation outlet pipe, circulation inlet tube all pass the breather pipe and extend to the outside of barrel, the inside of breather pipe is equipped with air current perturbation mechanism, the inside of cavity spiral plate is equipped with rivers perturbation mechanism, the top of barrel is equipped with the actuating mechanism who is connected with air current perturbation mechanism, rivers perturbation mechanism. As a further improvement of the invention, the driving mechanism comprises a fixing frame fixed at the top of the cylinder body, a double-shaft motor is fixed at the upper end of the fixing frame, two output shafts of the double-shaft motor are respectively and fixedly connected with a first rotary table and a second rotary table, the edge of the disk surface of the first rotary table is rotationally connected with a linkage rod, and the edge of the disk surface of the second rotary table is rotationally connected with a deflector rod. As a further improvement of the invention, the airflow disturbance mechanism comprises a rotating rod arranged in the vent pipe, the rotating rod penetrates through the top of the vent pipe and is rotationally connected with the vent pipe, a plurality of straight screen plates are fixed on the side wall of the rotating rod, the straight screen plates are positioned in the vent pipe and are arranged at equal intervals along the circumferential direction of the rotating rod, a gear positioned above the vent pipe is fixedly sleeved on the side wall of the rotating rod, a reciprocating rod is arranged on one side of the gear, a rack meshed with the gear is fixed on the side wall of the reciprocating rod, and one end of the reciprocating rod is rotationally connected with the linkage rod. As a further improvement of the invention, the water flow disturbance mechanism comprises a screw rod arranged in the hollow screw plate, a screw screen plate is fixed on the screw rod, a lifting rod is fixed at the upper end of the screw rod, the upper end of the lifting rod penetrates through the hollow screw plate and the cylinder body and is fixed with a linkage frame, and the deflector rod is inserted in the linkage frame. As a further improvement of the invention, a guide rod is fixed at the top of the vent pipe, a guide groove is arranged at one end of the reciprocating rod far away from the linkage rod, and t