Continuous clinker cooling device based on cement production

Abstract

The utility model belongs to the technical field of cement production, and particularly relates to a continuous clinker cooling device based on cement production, which comprises a tank body, the upper surface of the tank body is fixedly connected with a top cover, the upper surface of the top cover is penetrated and fixedly connected with a filling port, the bottom of the tank body is provided with a support column for supporting the tank body, and two sides of the bottom of the tank body are provided with cooling mechanisms; the cooling mechanism is arranged, the injection port is directly connected with the discharge port of the grate cooler, continuous feeding and cooling of cement clinker are achieved, production efficiency is improved, reduction of production interruption is facilitated, and stability and reliability of the production process are guaranteed. Cement clinker can be continuously subjected to heat dissipation treatment in the conveying process, a circularly flowing water source is arranged in the cooling box, the cooling effect is further enhanced, and full utilization of waste heat of the cement clinker is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement production technical field especially based on cement production's continuous clinker cooling device. BACKGROUND

[0002] In the production process of cement, one of the more important steps is clinker cooling, the temperature of clinker is extremely high when it just comes out of the furnace, and it needs to be cooled, which needs to use cooling device; one of the more commonly used cooling devices is grate cooler, which uses grate plate to cooperate with cold air to cool, after the clinker enters the cooler from the kiln, it is laid into a certain thickness of material layer on the grate plate, and the cold air is blown into the material layer moving on the grate bed in the direction perpendicular to each other to cool the clinker,

[0003] But the existing single grate cooler has certain defects, after cooling through the grate cooler, part of the clinker is not cooled uniformly, it is difficult to fully utilize the waste heat of cement, and thus it is easy to cause waste of heat energy. UTILITY MODEL CONTENTS

[0004] The utility model discloses a continuous clinker cooling device based on cement production, which is characterized by the following: a cooling mechanism is arranged, and the discharge port of the grate cooler is directly connected, so that continuous feeding and cooling of cement clinker are realized, the cement clinker can be continuously subjected to heat dissipation during the conveying process, the cooling effect is further enhanced, the waste heat of the cement clinker is fully utilized, and the problems in the background art are solved.

[0005] The utility model discloses a continuous clinker cooling device based on cement production, which is characterized by the following: a cooling mechanism is arranged, and the discharge port of the grate cooler is directly connected, so that continuous feeding and cooling of cement clinker are realized, the cement clinker can be continuously subjected to heat dissipation during the conveying process, the cooling effect is further enhanced, the waste heat of the cement clinker is fully utilized, and the problems in the background art are solved.

[0006] The cooling mechanism comprises cooling boxes arranged at the two sides of the bottom of the tank body, the upper surface of each cooling box is provided with a feeding hopper in communication with the tank body, each cooling box is penetrated and fixedly connected with a conveying cylinder in communication with the feeding hopper, a spiral feeding rod is rotatably connected to the conveying cylinder, a cavity for circulating flow of external water flow is arranged in each cooling box, and two connecting heads are connected to the outer wall of each cooling box.

[0007] Preferably, the upper surface of each cooling box is fixedly connected with an exhaust pipe in communication with the conveying cylinder, and the exhaust pipe is connected with an external flue gas recovery tower at the end away from the conveying cylinder.

[0008] Preferably, a connecting shaft is rotatably connected in the tank body, a plurality of annular arrays of connecting strips are fixedly connected to the outer wall of the connecting shaft, scraping plates are fixedly connected to the end of the connecting strips and abut against the inner wall of the tank body, and a motor one is fixedly installed on one side of the lower surface of the tank body to drive the rotation of the connecting shaft.

[0009] Preferably, a mounting frame is fixedly connected to the outer wall of the feeding hopper, a discharging plate is arranged in the mounting frame and horizontally slidably connected to the feeding hopper, and a hydraulic pushing rod is fixedly connected to the outer wall of the mounting frame to push the discharging plate.

[0010] Preferably, the cooling box is fixedly connected with a lower feeding hopper at the end away from the tank body, and the lower feeding hopper is provided with an opening at the bottom.

[0011] Preferably, a motor two is fixedly connected to the upper surface of the lower feeding hopper, a rotating shaft is fixedly connected to the output end of the motor two and located in the lower feeding hopper, a rotating disc is fixedly connected to the bottom end of the rotating shaft, a heat dissipation opening is throughly connected to the outer wall of the cooling box, and the heat dissipation opening is connected with a waste heat boiler through a pipeline.

[0012] The utility model discloses a beneficial effect:

[0013] (1) the utility model discloses a cooling mechanism is set up, and the injection port is directly connected with the discharge port of the grate cooler, realizes the continuous feeding and cooling of cement clinker, improves production efficiency, helps to reduce the production interruption, ensures the stability and reliability of production process, and the cooling mechanism adopts the spiral feeding rod and the conveying cylinder, so that the cement clinker can be continuously subjected to heat dissipation treatment in the conveying process, the water source of circulating flow is arranged in the cooling box, and the cooling effect is further enhanced, and the full use of cement clinker waste heat is realized.

[0014] (2) the rotation of the rotating disc not only helps the uniform dispersion of materials, but also can increase the contact area of materials and air, thereby improving the heat dissipation effect, and the connection of the heat dissipation opening and the waste heat boiler makes the whole cooling device more perfect in function and higher in efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model makes further explanation in combination with the drawings;

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the internal structure schematic view of the tank body of the utility model;

[0018] Figure 3 It is the front view structure schematic view of the utility model;

[0019] Figure 4 It is the cooling box section structure schematic view of the utility model;

[0020] Figure 5 is the internal structure diagram of the cooling box of the utility model.

[0021] Legend: 1, tank body; 2, top cover; 3, injection port; 4, cooling box; 5, support column; 6, connecting shaft; 7, connecting strip; 8, scraper; 9, discharge plate; 10, hydraulic push rod; 11, mounting bracket; 12, exhaust pipe; 13, motor one; 14, discharge hopper; 15, feed hopper; 16, spiral feeding rod; 17, conveying cylinder; 18, motor two; 19, rotating shaft; 20, rotary table; 21, heat dissipation port. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one: the embodiment is used to solve the problem that single grate cooler exists in part of clinker cooling uneven, it is difficult to make full use of the waste heat of cement, thereby easily causing the problem of waste of heat energy.

[0024] Please refer to Figure 1 - Figure 5 The embodiment is a continuous clinker cooling device based on cement production, including tank body 1, the upper surface of tank body 1 is fixedly connected with top cover 2, the upper surface of top cover 2 is penetrated and fixedly connected with injection port 3, injection port 3 is connected with the discharge port of grate cooler, feeding is carried out in tank body 1 through injection port 3, support column 5 is arranged on the bottom of tank body 1 to support it, cooling mechanism is arranged on both sides of the bottom of tank body 1.

[0025] The cooling mechanism includes cooling box 4 arranged on both sides of the bottom of tank body 1, the upper surface of cooling box 4 is provided with feed hopper 15 communicated with tank body 1, cooling box 4 is penetrated and fixedly connected with conveying cylinder 17 connected with feed hopper 15, spiral feeding rod 16 is rotatably connected in conveying cylinder 17, and motor three is fixedly connected with spiral feeding rod 16 to rotate cooling box 4.

[0026] The output end of the third motor is fixedly connected with the spiral feeding rod 16, so that the cement moves in the conveying cylinder 17 and is subjected to continuous heat dissipation treatment. The cooling box 4 is provided with a cavity for circulating flow of external water flow. The outer wall of the cooling box 4 is through-connected with two connecting heads, which are connected with the water supply end and the water delivery end of the outer wall, respectively, for circulating flow of the water source in the cooling box 4 and the heat exchanger, so as to further cool the cement clinker in the conveying cylinder 17. The injection port 3 is connected with the discharge port of the grate cooler, so as to fully utilize the residual heat of the subsequent cement clinker.

[0027] The upper surface of the cooling box 4 is fixedly connected with an exhaust pipe 12 which is in communication with the conveying cylinder 17. The exhaust pipe 12 is connected with an external flue gas recovery tower at an end away from the conveying cylinder 17, so as to recover and treat the heat energy of the flue gas in the conveying cylinder 17 through the flue gas recovery tower.

[0028] The tank body 1 is rotatably connected with a connecting shaft 6. The outer wall of the connecting shaft 6 is fixedly connected with a plurality of annularly arranged connecting strips 7. The end portions of the connecting strips 7 are fixedly connected with scraping plates 8 which abut against the inner wall of the tank body 1. The scraping plates 8 can push the cement to move. The lower surface of the tank body 1 is fixedly provided with a motor one 13 which drives the connecting shaft 6 to rotate. The motor one 13 drives the connecting shaft 6 to rotate in the tank body 1, so that the cement clinker in the tank body 1 can be continuously pushed to the feeding hopper 15.

[0029] The outer wall of the feeding hopper 15 is fixedly connected with a mounting frame 11. The mounting frame 11 is provided with a discharge plate 9 which penetrates through the feeding hopper 15 and is horizontally slidably connected with the feeding hopper 15. The outer wall of the mounting frame 11 is fixedly connected with a hydraulic pushing rod 10 which pushes the discharge plate 9. The extension end of the hydraulic pushing rod 10 penetrates through the discharge plate 9 to push the discharge plate 9 to move, so as to control the closing and opening of the feeding hopper 15.

[0030] Embodiment two: The embodiment is used to solve the problem of how to further recover and utilize heat energy.

[0031] Please refer to Figure 1 - Figure 5 As shown in the figure, the continuous clinker cooling device based on cement production of the embodiment is provided with a discharge hopper 14 which is fixedly connected with the end of the cooling box 4 away from the tank body 1. The discharge hopper 14 is provided with an open bottom. The cement after cooling is discharged through the discharge hopper 14 and is conveyed through a conveying belt.

[0032] The upper surface of the lower hopper 14 is fixedly connected with a second motor 18, the output end of the second motor 18 is fixedly connected with a rotating shaft 19 located in the lower hopper 14, the bottom end of the rotating shaft 19 is fixedly connected with a rotating disc 20, the rotating disc 20 is located at the bottom side of the discharge port of the conveying cylinder 17, when the second motor 18 is started to drive the rotating disc 20 to rotate, the cement clinker falling on the rotating disc 20 is scattered with the rotation of the rotating disc 20, the outer wall of the cooling box 4 is throughly connected with a heat dissipation port 21, the heat dissipation port 21 is connected with a waste heat boiler through a pipeline, so that the heat energy can be further recycled.

[0033] Combination of embodiment one and embodiment two

[0034] By setting the cooling mechanism, the cement clinker is continuously fed and cooled through the direct connection of the pouring port 3 and the discharge port of the grate cooler, the production efficiency is improved, the production interruption is reduced, the stability and reliability of the production process are ensured, the cooling mechanism adopts the design of the spiral feeding rod 16 and the conveying cylinder 17, so that the cement clinker can be continuously cooled during the conveying process, the cooling box 4 is provided with a circulating water source, the cooling effect is further enhanced, the waste heat of the cement clinker is fully utilized, the rotation of the rotating disc 20 not only helps the uniform scattering of the material, but also increases the contact area of the material and the air, so as to improve the cooling effect, and the connection of the heat dissipation port 21 and the waste heat boiler makes the whole cooling device more perfect in function and higher in efficiency.

[0035] The above content is only an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the present application or exceed the scope defined by the present application.

[0036] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the application disclosed above are only to facilitate the elucidation of the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments. Obviously, many modifications and variations can be made in light of the teachings above. The description is chosen and described in order to provide the best illustration of the application and its practical application to those skilled in the art and to enable those skilled in the art to utilize the application in its best mode. The application is only limited by the claims and their full scope and equivalents.

Claims

1. Continuous clinker cooling device based on cement production, comprising a tank (1), characterized in that, The upper surface of the tank body (1) is fixedly connected with a top cover (2), the upper surface of the top cover (2) is penetrated and fixedly connected with a feeding opening (3), the bottom of the tank body (1) is provided with a supporting column (5) supporting it, and the bottom of the tank body (1) is provided with a cooling mechanism on both sides. The cooling mechanism comprises cooling boxes (4) located on both sides of the bottom of the tank body (1), the upper surface of the cooling box (4) is provided with a feeding hopper (15) communicating with the tank body (1), the cooling box (4) is penetrated and fixedly connected with a conveying cylinder (17) penetratingly connected with the feeding hopper (15), the conveying cylinder (17) is fixedly connected with a spiral feeding rod (16) rotating in the conveying cylinder (17), the cooling box (4) is provided with a cavity for circulating flow of external water flow, and the outer wall of the cooling box (4) is penetratingly connected with two connecting heads.

2. The cement production based continuous clinker cooling device according to claim 1, characterized in that, The upper surface of the cooling box (4) is fixedly connected with an exhaust pipe (12) communicating with the conveying cylinder (17), and the exhaust pipe (12) is connected with an external flue gas recovery tower away from the conveying cylinder (17).

3. The cement production based continuous clinker cooling device according to claim 1, characterized in that, The tank body (1) is rotatably connected with a connecting shaft (6), the outer wall of the connecting shaft (6) is fixedly connected with a plurality of annular arrays of connecting strips (7), the end of the connecting strip (7) is fixedly connected with a scraper (8) abutting against the inner wall of the tank body (1), and the lower surface of the tank body (1) is fixedly connected with a motor (13) driving the rotation of the connecting shaft (6).

4. The cement production based continuous clinker cooling device according to claim 1, characterized in that, The outer wall of the feeding hopper (15) is fixedly connected with a mounting bracket (11), the mounting bracket (11) is provided with a discharging plate (9) penetrating the feeding hopper (15) and horizontally slidingly connected with the feeding hopper (15), and the outer wall of the mounting bracket (11) is fixedly connected with a hydraulic pushing rod (10) pushing the discharging plate (9).

5. The cement production based continuous clinker cooling device according to claim 1, characterized in that, The end of the cooling box (4) away from the tank body (1) is fixedly connected with a lower hopper (14), and the lower hopper (14) is provided with an opening at the bottom.

6. The cement production based continuous clinker cooling device according to claim 5, characterized in that, The upper surface of the lower hopper (14) is fixedly connected with a motor (18), the output end of the motor (18) is fixedly connected with a rotating shaft (19) located in the lower hopper (14), the bottom end of the rotating shaft (19) is fixedly connected with a rotating disc (20), the outer wall of the cooling box (4) is penetratingly connected with a heat dissipation opening (21), and the heat dissipation opening (21) is connected with a waste heat boiler through a pipeline.

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