Cement kiln waste heat utilization device
By using heat exchange and hair dryer technology in the cement kiln waste heat utilization device, the secondary utilization of heat in the cement kiln is achieved, the problem of heat loss during the preheating and recovery of cement kiln is solved, and the efficiency of heat utilization is improved.
Patent Information
- Application Number
- CN202420305031.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-02-19
AI Technical Summary
During the preheating and recycling process of cement kilns, water can only absorb limited heat, resulting in a large amount of heat loss, which in turn leads to incomplete utilization of waste heat.
By exchanging heat with the water tank in the cement kiln waste heat utilization device, and blowing the inside of the shell with a hair dryer, the heat is blown out through the air outlet, and drying the items with the crossbar to achieve secondary waste heat utilization .
It effectively improves the heat utilization rate, solves the problem of heat loss caused by limited heat absorption by water, and achieves more comprehensive waste heat utilization.
Smart Images

Figure CN222279375U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cement rotary kilns, in particular to a cement kiln waste heat utilization device. Background Art
[0002] Cement rotary kiln belongs to the category of building materials equipment and is a type of lime kiln. According to the different materials processed, the rotary kiln can be divided into cement rotary kiln, metallurgical chemical rotary kiln and lime rotary kiln. Cement rotary kiln is the main equipment of cement clinker dry and wet production lines.
[0003] At present, when preheating and recovering cement kilns, water is generally heated. However, if water is only heated, the amount of heat that water can absorb is limited, resulting in a large amount of heat loss during use, so that the waste heat is not fully utilized. For this reason, we propose a cement kiln waste heat utilization device to solve the above problem. Utility Model Content
[0004] The purpose of the utility model is to provide a cement kiln waste heat utilization device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A cement kiln waste heat utilization device comprises a base, the upper surface of the base is fixedly connected to a water tank, the front of the water tank is fixedly connected to a switch, the upper surface of the water tank is provided with a water inlet, the right side of the water tank is fixedly connected to a shell, the left side of the water tank is fixedly connected to a cement kiln connecting pipe, the right end of the cement kiln connecting pipe is fixedly connected to a first coil, the right end of the first coil passes through the water tank and extends to the interior of the shell, the right end of the first coil is fixedly connected to a second coil, the right end of the second coil passes through the shell and extends to the right side of the shell, two vertical plates are fixedly connected to the upper surface of the shell, a cross bar is fixedly connected to the upper surfaces of the two vertical plates, an air outlet is provided on the upper surface of the shell, the back of the shell is fixedly connected to a mounting pipe, the inner wall of the mounting pipe is fixedly connected to a hair dryer, the left side of the water tank is fixedly connected to a drain pipe, and the left end of the drain pipe is fixedly connected to a control valve.
[0007] In a further embodiment, the front side and the back side of the shell are both fixedly connected with reinforcement strips, and the left sides of the two reinforcement strips are both fixedly connected to the right side of the water tank.
[0008] In a further embodiment, a reinforcement seat is fixedly connected to the outer surface of the mounting tube, and a front side of the reinforcement seat is fixedly connected to the back side of the shell.
[0009] In a further embodiment, a first dustproof net is fixedly connected to the inner wall of the air outlet, and a second dustproof net is fixedly connected to the inner wall of the mounting tube.
[0010] In a further embodiment, two connecting rods are provided above the shell, and the side surfaces of the two connecting rods close to each other are fixedly connected to the front surfaces of the two vertical plates and the back surfaces of the two vertical plates respectively.
[0011] In a further embodiment, a liquid level observation window is fixedly embedded on the front side of the water tank.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The device uses the first coil and the water tank to allow the first coil to exchange heat with water and heat the water when the heat flows inside the first coil, and uses a hair dryer to blow air into the shell so that the air can exchange heat with the second coil and the heat can be blown out through the air outlet, so that the cross bar can be used to dry the items, thereby completing the secondary waste heat utilization, thereby solving the problem that the amount of heat that water can absorb is limited, resulting in a large amount of heat loss during use, so that the waste heat is not fully utilized. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of a cement kiln waste heat utilization device.
[0015] Figure 2 It is a three-dimensional structural schematic diagram of a top view of a cement kiln waste heat utilization device.
[0016] Figure 3 It is a three-dimensional structural schematic diagram of a side section view of a cement kiln waste heat utilization device.
[0017] Figure 4 It is a three-dimensional structural schematic diagram of the front section view of the cement kiln waste heat utilization device.
[0018] In the figure: 1. base; 2. control valve; 3. water tank; 4. observation window; 5. water inlet; 6. reinforcement strip; 7. shell; 8. second coil; 9. connecting rod; 10. vertical plate; 11. horizontal bar; 12. drain pipe; 13. cement kiln connecting pipe; 14. switch; 15. first dustproof net; 16. air outlet; 17. reinforcement seat; 18. hair dryer; 19. installation pipe; 20. second dustproof net; 21. first coil. DETAILED DESCRIPTION
[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-4In the utility model, a cement kiln waste heat utilization device includes a base 1, a water tank 3 is fixedly connected to the upper surface of the base 1, a switch 14 is fixedly connected to the front of the water tank 3, a water inlet 5 is opened on the upper surface of the water tank 3, a shell 7 is fixedly connected to the right side of the water tank 3, a cement kiln connecting pipe 13 is fixedly connected to the left side of the water tank 3, and a first coil 21 is fixedly connected to the right end of the cement kiln connecting pipe 13, and the right end of the first coil 21 passes through the water tank 3 and extends to the inside of the shell 7. The right end is fixedly connected to a second coil 8, the right end of the second coil 8 passes through the shell 7 and extends to the right side of the shell 7, the upper surface of the shell 7 is fixedly connected to two vertical plates 10, the upper surfaces of the two vertical plates 10 are commonly fixedly connected to a cross bar 11, the upper surface of the shell 7 is provided with an air outlet 16, the back of the shell 7 is fixedly connected to a mounting pipe 19, the inner wall of the mounting pipe 19 is fixedly connected to a hair dryer 18, the left side of the water tank 3 is fixedly connected to a drain pipe 12, and the left end of the drain pipe 12 is fixedly connected to a control valve 2.
[0023] The front and back sides of the shell 7 are fixedly connected with reinforcement strips 6, and the left sides of the two reinforcement strips 6 are fixedly connected to the right side of the water tank 3. The shell 7 can be reinforced by providing the reinforcement strips 6 to increase the stability of the shell 7 and prevent the shell 7 from shaking. The outer surface of the mounting tube 19 is fixedly connected with a reinforcement seat 17, and the front side of the reinforcement seat 17 is fixedly connected to the back side of the shell 7. The mounting tube 19 can be reinforced by providing the reinforcement seat 17 to prevent the mounting tube 19 from falling off.
[0024] A first dustproof net 15 is fixedly connected to the inner wall of the air outlet 16, and a second dustproof net 20 is fixedly connected to the inner wall of the mounting tube 19. The first dustproof net 15 and the second dustproof net 20 can block dust and prevent dust from entering the interior of the shell 7. Two connecting rods 9 are provided on the top of the shell 7. The side surfaces of the two connecting rods 9 close to each other are fixedly connected to the front and back surfaces of the two vertical plates 10 respectively. The connecting rods 9 can reinforce the vertical plates 10 to prevent the two vertical plates 10 from shaking. A liquid level observation window 4 is fixedly embedded on the front of the water tank 3. The liquid level observation window 4 can be used to observe the water volume inside the water tank 3 so as to replenish water in time.
[0025] The working principle of the utility model is:
[0026] When in use, the cement kiln connecting pipe 13 is connected to the cement kiln air outlet pipe, and the right end of the second coil 8 is connected to the filtering device, so that the hot air can enter the interior of the first coil 21, and water is injected into the interior of the water tank 3 through the water inlet 5, so that the hot air can heat the water inside the water tank 3 when flowing inside the first coil 21, and after the heat enters the second coil 8, the heat of the second coil 8 is discharged to the interior of the shell 7, and the hair dryer 18 is started to blow air into the interior of the shell 7, so that the shell 7 discharges the heat upward through the air outlet 16, and the cross bar 11 can be used to dry the items.
[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A cement kiln waste heat utilization device, characterized in that: The utility model comprises a base (1), the upper surface of the base (1) is fixedly connected to a water tank (3), the front surface of the water tank (3) is fixedly connected to a switch (14), the upper surface of the water tank (3) is provided with a water inlet (5), the right side surface of the water tank (3) is fixedly connected to a shell (7), the left side surface of the water tank (3) is fixedly connected to a cement kiln connecting pipe (13), the right end of the cement kiln connecting pipe (13) is fixedly connected to a first coil (21), the right end of the first coil (21) passes through the water tank (3) and extends to the interior of the shell (7), the right end of the first coil (21) is fixedly connected to a second coil (8), the right end of the second coil (8) passes through the shell (7) and extends to the right side of the shell (7), the upper surface of the shell (7) is fixedly connected to two vertical plates (10), the upper surfaces of the two vertical plates (10) are commonly fixedly connected to a cross bar (11), the upper surface of the shell (7) is provided with an air outlet (16), the back side of the shell (7) is fixedly connected to a mounting pipe (19), the inner wall of the mounting pipe (19) is fixedly connected to a hair dryer (18), the left side of the water tank (3) is fixedly connected to a drain pipe (12), and the left end of the drain pipe (12) is fixedly connected to a control valve (2).
2. A cement kiln waste heat utilization device according to claim 1, characterized in that: The front side of the shell (7) and the back side of the shell (7) are both fixedly connected with reinforcement strips (6), and the left sides of the two reinforcement strips (6) are both fixedly connected with the right side sides of the water tank (3).
3. A cement kiln waste heat utilization device according to claim 1, characterized in that: The outer surface of the mounting tube (19) is fixedly connected to a reinforcement seat (17), and the front side of the reinforcement seat (17) is fixedly connected to the back side of the housing (7).
4. A cement kiln waste heat utilization device according to claim 1, characterized in that: The inner wall of the air outlet (16) is fixedly connected to a first dustproof net (15), and the inner wall of the mounting tube (19) is fixedly connected to a second dustproof net (20).
5. The cement kiln waste heat utilization device according to claim 1, characterized in that: Two connecting rods (9) are arranged above the shell (7), and the side surfaces of the two connecting rods (9) close to each other are respectively fixedly connected to the front surfaces of the two vertical plates (10) and the back surfaces of the two vertical plates (10).
6. The cement kiln waste heat utilization device according to claim 1, characterized in that: A liquid level observation window (4) is fixedly embedded on the front side of the water tank (3).