A temperature control structure for cement clinker burning device

Abstract

The present invention discloses a temperature control structure for a cement clinker burning device, including a sintering furnace, a cold air conveying mechanism and a high-pressure conveying structure are provided on one side of the sintering furnace, the cold air conveying mechanism and the high-pressure conveying structure are connected to each other, cold air delivery pipes are fixed on the top and both sides of the sintering furnace, and the high-pressure delivery structure is connected to three cold air delivery pipes, and a hydraulic lifting mechanism is provided at the upper end of the sintering furnace, a hot air circulation device is installed on the hydraulic lifting mechanism, and the hot air circulation device is cross-arranged between two cold air delivery pipes. The present invention can select corresponding cooling and temperature control forms according to the sintering conditions inside the sintering furnace and the number of sintered products, greatly improving the sufficiency, uniformity, rapidity, accuracy, timeliness and comprehensiveness of temperature control, effectively ensuring the stability and comprehensiveness of product sintering, and improving the quality of products after sintering.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum alloy profile processing, and in particular to a temperature control structure for a cement clinker burning device. Background Art

[0002] Cement clinker is made of limestone, clay and iron raw materials as main raw materials, which are prepared into raw materials in appropriate proportions, burned until partially or completely melted, and then cooled to obtain semi-finished products. In the cement industry, the most commonly used silicate cement clinker has main chemical components of calcium oxide, silicon dioxide and a small amount of aluminum oxide and iron oxide. The main mineral components are tricalcium silicate, dicalcium silicate, tricalcium aluminate and tetracalcium aluminoferrite. After silicate cement clinker is ground with appropriate amount of gypsum, it becomes silicate cement. The temperature of cement clinker needs to be strictly monitored during the burning process.

[0003] However, the temperature control effect of the temperature control structure of the existing firing device is not ideal, and it is not possible to fully cool down various internal locations at the same time, which will cause local temperature increases and local temperature decreases, and then cause the quality of some products to decline. For this reason, we propose a temperature control structure for cement clinker firing equipment to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a temperature control structure for a cement clinker burning device.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A temperature control structure for a cement clinker burning device comprises a sintering furnace, wherein a cold air conveying mechanism and a high-pressure conveying structure are provided on one side of the sintering furnace, the cold air conveying mechanism and the high-pressure conveying structure are connected to each other, cold air delivery pipes are fixed to the top and both sides of the sintering furnace, and the high-pressure delivery structure is connected to three cold air delivery pipes, a hydraulic lifting mechanism is provided at the upper end of the sintering furnace, a hot air circulation device is installed on the hydraulic lifting mechanism, and the hot air circulation device is cross-arranged between two cold air delivery pipes.

[0007] Preferably, the cold air delivery mechanism comprises a cold air fan arranged on one side of the sintering furnace, the air outlet of the cold air fan is connected to a fixed pipe, one end of the fixed pipe is connected to the high-pressure delivery structure, and a pressure gauge and a valve are installed on the fixed pipe.

[0008] Preferably, the high-pressure transmission structure includes a transfer tank connected to one side of the fixed pipe, one side of the transfer tank is connected to a high-pressure air pump, the gas delivery end of the high-pressure air pump is connected to a cold air delivery pipe, one end of the cold air delivery pipe is connected to a four-way joint, three connecting pipes are fixed at equal intervals around the four-way joint, and one end of the three cold air delivery pipes is connected to the three connecting pipes.

[0009] Preferably, the hydraulic lifting mechanism includes a protection box fixed to the upper end of the sintering furnace, and mounting seats are provided on both sides of the top of the protection box. A hydraulic cylinder is installed on the mounting seat, and a support is fixed to the end of the piston rod of the hydraulic cylinder. A reinforcing plate is commonly fixed between the two support members.

[0010] Preferably, the hot air circulation equipment includes a connecting plate fixed at the lower end of the support member, the lower end of the connecting plate passes through the top of the sintering furnace and extends between two cold air pipes, and three blowers are fixed on the connecting plate at equal intervals, and the three blowers correspond to each other.

[0011] Preferably, guide rods are fixed on both sides of the upper end of the support member, the guide rods pass through the mounting seat and extend to the upper end of the mounting seat, support rods are fixed at the four corners of the lower end of the protection box, and the lower ends of the support rods are fixed to the upper end of the sintering furnace.

[0012] Preferably, three installation openings are provided at equal intervals on the connection plate, three blowers on the same side are respectively installed in the three installation openings on the same side, and a plurality of nozzles are connected at equal intervals on one side of the cold air supply pipe.

[0013] Preferably, a fixed cover is commonly fixed on one side of the three blowers on the same side, one end of the two fixed covers is commonly connected to a movable tube, and the movable tube passes through the upper side wall of the sintering furnace and extends to the upper end of the sintering furnace, and two air inlet pipes are fixed on one side of the upper end of the movable tube.

[0014] Preferably, an exhaust pipe is connected to one side of the upper end of the sintering furnace.

[0015] In the present invention, when it is necessary to cool down and control the temperature, the following corresponding forms can be adopted:

[0016] 1. Fully cool down the machine through the cold air conveying mechanism and high-pressure conveying structure to achieve rapid temperature control;

[0017] 2. The cold air conveying mechanism and hot air circulation equipment work simultaneously to improve the adequacy and uniformity of internal cooling;

[0018] 3. Use hot air circulation equipment to stabilize and maintain the internal temperature;

[0019] 4. Through the combination of blower and air intake pipe, the cooling of conventional air delivery is realized to ensure the continuity and small range of cooling;

[0020] 5. By combining hot air circulation equipment and hydraulic lifting mechanism, the adequacy of internal circulation is improved, the stability of internal temperature maintenance is further ensured, and the quality of product sintering is improved;

[0021] 6. The blower, air inlet pipe and hydraulic lifting mechanism are combined to further improve the cooling adequacy and uniformity of conventional air conveying to ensure the sintering quality;

[0022] 7. Through the combination of the blower and the air inlet pipe, the cold air delivery mechanism and the high-pressure delivery structure, the cold air and the conventional air are combined to achieve the effect of buffering and continuous cooling. At the same time, the cooling can be stopped in time and the temperature can be quickly maintained;

[0023] 8. Through the combination of blower, air intake pipe, cold air conveying mechanism, high-pressure conveying structure and hydraulic lifting mechanism, the sufficiency and uniformity of the continuous cooling effect are greatly guaranteed, and the quality of production is further improved;

[0024] According to the internal sintering conditions and the number of sintered products, the corresponding cooling form is selected, which greatly improves the adequacy, uniformity, speed, accuracy, timeliness and comprehensiveness of temperature control, effectively ensures the stability and comprehensiveness of product sintering, and improves the quality of products after sintering. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the connection between the high-pressure delivery structure and the cold air delivery mechanism of the present invention;

[0026] Figure 2 It is a structural diagram of the hot air circulation device and the hydraulic lifting mechanism of the present invention;

[0027] Figure 3 This is a cross structure diagram of the connection plate and the cold air delivery pipe of the present invention;

[0028] Figure 4 It is the external structure diagram of the hydraulic lifting mechanism of the present invention;

[0029] Figure 5 It is a structural diagram of three cold air transmission pipes of the present invention;

[0030] Figure 6 The structure diagram of the movable pipe and the air intake pipe of the present invention is provided;

[0031] Figure 7 This is a structural diagram of the connection between the moving pipe and the blower of the present invention.

[0032] In the figure: 1 connecting plate, 2 four-way joint, 3 connecting pipe, 4 cold air delivery pipe, 5 transfer tank, 6 high-pressure air pump, 7 pressure gauge, 8 air cooler, 9 sintering furnace, 10 exhaust pipe, 11 support rod, 12 protection box, 13 fixed pipe, 14 support, 15 guide rod, 16 hydraulic cylinder, 17 mounting seat, 18 reinforcement plate, 19 blower, 20 cold air delivery pipe, 21 nozzle, 22 mounting port, 23 moving pipe, 24 air inlet pipe, 25 fixed cover. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Example 1

[0035] Reference Figure 1-5 A temperature control structure for a cement clinker burning device includes a sintering furnace 9, a cold air delivery mechanism and a high-pressure delivery structure are provided on one side of the sintering furnace 9, the cold air delivery mechanism includes a cold air fan 8 provided on one side of the sintering furnace 9, a fixed pipe 13 is connected to the air outlet end of the cold air fan 8, one end of the fixed pipe 13 is connected to the high-pressure delivery structure, a pressure gauge 7 and a valve are installed on the fixed pipe 13, and the cold air fan 8 delivers cold air to the transfer tank 5 through the fixed pipe 13;

[0036] The high-pressure transmission structure includes a transfer tank 5 connected to one side of the fixed pipe 13, a high-pressure air pump 6 is connected to one side of the transfer tank 5, a gas delivery end of the high-pressure air pump 6 is connected to a cold air delivery pipe 4, one end of the cold air delivery pipe 4 is connected to a four-way joint 2, three connecting pipes 3 are fixed at equal intervals around the four-way joint 2, one end of the three cold air delivery pipes 20 are connected to the three connecting pipes 3, the high-pressure air pump 6 delivers the cold air in the transfer tank 5 to the three connecting pipes 3 in the form of high pressure, and then the three connecting pipes 3 are respectively sent into the three cold air delivery pipes 20 to achieve fully uniform delivery;

[0037] The cold air delivery mechanism and the high-pressure delivery structure are connected to each other. Cold air delivery pipes 20 are fixed on the top and both sides of the sintering furnace 9, and the high-pressure delivery structure is connected to the three cold air delivery pipes 20. A hydraulic lifting mechanism is provided at the upper end of the sintering furnace 9. The hydraulic lifting mechanism includes a protection box 12 fixed to the upper end of the sintering furnace 9. Mounting seats 17 are provided on both sides of the top of the protection box 12. A hydraulic cylinder 16 is installed on the mounting seat 17. A support member 14 is fixed to the end of the piston rod of the hydraulic cylinder 16. A reinforcing plate 18 is fixed between the two support members 14. The hydraulic cylinder 16 drives the support member 14 to move up and down through the extension and contraction of the piston rod. As the support member 14 moves up and down, the position of the six blowers 19 at the lower end is adjusted, thereby achieving rapid and uniform cooling and temperature control.

[0038] Guide rods 15 are fixed on both sides of the upper end of the support member 14, and the guide rods 15 penetrate the mounting seat 17 and extend to the upper end of the mounting seat 17. Support rods 11 are fixed at the four corners of the lower end of the protection box 12, and the lower end of the support rod 11 is fixed to the upper end of the sintering furnace 9, which can ensure the stable operation of the hydraulic lifting mechanism and improve its support strength;

[0039] A hot air circulation device is installed on the hydraulic lifting mechanism. The hot air circulation device includes a connecting plate 1 fixed at the lower end of the support member 14. The lower end of the connecting plate 1 passes through the top of the sintering furnace 9 and extends between the two cold air delivery pipes 20. Three blowers 19 are fixed on the connecting plate 1 at equal intervals. The three blowers 19 correspond to each other. The six blowers 19 correspond to each other. At the same time, the height position is adjusted in combination with the hydraulic cylinder 16, so that the internal hot air can be circulated stably, thereby achieving a sufficient temperature control effect.

[0040] The hot air circulation equipment is cross-arranged between two cold air pipes 20, three installation ports 22 are evenly spaced on the connecting plate 1, three blowers 19 on the same side are respectively installed in the three installation ports 22 on the same side, and a plurality of nozzles 21 are evenly spacedly connected to one side of the cold air pipe 20, so as to improve the uniformity and sufficiency of cold air delivery and realize sufficient mixing of hot air and cold air.

[0041] The present embodiment 1 can adopt the following forms of temperature control adjustment, which greatly improves the accuracy, convenience and comprehensiveness of temperature control:

[0042] 1. Fully cool down the machine through the cold air conveying mechanism and high-pressure conveying structure to achieve rapid temperature control;

[0043] 2. The cold air conveying mechanism and hot air circulation equipment work simultaneously to improve the adequacy and uniformity of internal cooling;

[0044] 3. Use hot air circulation equipment to stabilize and maintain the internal temperature;

[0045] 4. Through the combination of blower and air intake pipe, the cooling of conventional air delivery is realized to ensure the continuity and small range of cooling;

[0046] 5. By combining hot air circulation equipment and hydraulic lifting mechanism, the adequacy of internal circulation is improved, the stability of internal temperature maintenance is further ensured, and the quality of product sintering is improved.

[0047] Example 2

[0048] Reference Figure 6 and Figure 7 , the difference between the present embodiment 2 and the embodiment 1 is that the present embodiment 2 also includes: a fixed cover 25 is commonly fixed on one side of the three blowers 19 on the same side, one end of the two fixed covers 25 is commonly connected to a moving pipe 23, and the moving pipe 23 passes through the upper end side wall of the sintering furnace 9 and extends to the upper end of the sintering furnace 9, two air inlet pipes 24 are fixed on one side of the upper end of the moving pipe 23, and one side of the upper end of the sintering furnace 9 is connected to an exhaust pipe 10, which can absorb conventional wind into the blower 19 through the air inlet pipe 24 to improve the temperature control quality;

[0049] Compared with Example 1, the temperature control form is added:

[0050] 1. The blower 19, the air inlet pipe 24 and the hydraulic lifting mechanism are combined to further improve the cooling sufficiency and uniformity of conventional air conveying to ensure the sintering quality;

[0051] 2. Through the combination of the blower 19 and the air inlet pipe 24, the cold air delivery mechanism and the high-pressure delivery structure, the cold air and the conventional air are combined to achieve the effect of buffering and continuous cooling, and the cooling can be stopped in time and the temperature can be quickly maintained;

[0052] 3. Through the combination of the blower 19, the air inlet pipe 24, the cold air conveying mechanism, the high-pressure conveying structure and the hydraulic lifting mechanism, the sufficiency and uniformity of the continuous cooling effect are greatly guaranteed, and the quality of the production is further improved.

[0053] It includes a sintering furnace 9, a cold air delivery mechanism and a high-pressure delivery structure are provided on one side of the sintering furnace 9, the cold air delivery mechanism includes a cold air fan 8 provided on one side of the sintering furnace 9, a fixed pipe 13 is connected to the air outlet of the cold air fan 8, one end of the fixed pipe 13 is connected to the high-pressure delivery structure, a pressure gauge 7 and a valve are installed on the fixed pipe 13, and the cold air fan 8 delivers cold air to the transfer tank 5 through the fixed pipe 13;

[0054] The high-pressure transmission structure includes a transfer tank 5 connected to one side of the fixed pipe 13, a high-pressure air pump 6 is connected to one side of the transfer tank 5, a gas delivery end of the high-pressure air pump 6 is connected to a cold air delivery pipe 4, one end of the cold air delivery pipe 4 is connected to a four-way joint 2, three connecting pipes 3 are fixed at equal intervals around the four-way joint 2, one end of the three cold air delivery pipes 20 are connected to the three connecting pipes 3, the high-pressure air pump 6 delivers the cold air in the transfer tank 5 to the three connecting pipes 3 in the form of high pressure, and then the three connecting pipes 3 are respectively sent into the three cold air delivery pipes 20 to achieve fully uniform delivery;

[0055] The cold air delivery mechanism and the high-pressure delivery structure are connected to each other. Cold air delivery pipes 20 are fixed on the top and both sides of the sintering furnace 9, and the high-pressure delivery structure is connected to the three cold air delivery pipes 20. A hydraulic lifting mechanism is provided at the upper end of the sintering furnace 9. The hydraulic lifting mechanism includes a protection box 12 fixed to the upper end of the sintering furnace 9. Mounting seats 17 are provided on both sides of the top of the protection box 12. A hydraulic cylinder 16 is installed on the mounting seat 17. A support member 14 is fixed to the end of the piston rod of the hydraulic cylinder 16. A reinforcing plate 18 is fixed between the two support members 14. The hydraulic cylinder 16 drives the support member 14 to move up and down through the extension and contraction of the piston rod. As the support member 14 moves up and down, the position of the six blowers 19 at the lower end is adjusted, thereby achieving rapid and uniform cooling and temperature control.

[0056] Guide rods 15 are fixed on both sides of the upper end of the support member 14, and the guide rods 15 penetrate the mounting seat 17 and extend to the upper end of the mounting seat 17. Support rods 11 are fixed at the four corners of the lower end of the protection box 12, and the lower end of the support rod 11 is fixed to the upper end of the sintering furnace 9, which can ensure the stable operation of the hydraulic lifting mechanism and improve its support strength;

[0057] A hot air circulation device is installed on the hydraulic lifting mechanism. The hot air circulation device includes a connecting plate 1 fixed at the lower end of the support member 14. The lower end of the connecting plate 1 passes through the top of the sintering furnace 9 and extends between the two cold air delivery pipes 20. Three blowers 19 are fixed on the connecting plate 1 at equal intervals. The three blowers 19 correspond to each other. The six blowers 19 correspond to each other. At the same time, the height position is adjusted in combination with the hydraulic cylinder 16, so that the internal hot air can be circulated stably, thereby achieving a sufficient temperature control effect.

[0058] The hot air circulation equipment is cross-arranged between two cold air pipes 20, three installation ports 22 are evenly spaced on the connecting plate 1, three blowers 19 on the same side are respectively installed in the three installation ports 22 on the same side, and a plurality of nozzles 21 are evenly spacedly connected to one side of the cold air pipe 20, so as to improve the uniformity and sufficiency of cold air delivery and realize sufficient mixing of hot air and cold air.

[0059] This embodiment 2 has the following temperature control form:

[0060] 1. Fully cool down the machine through the cold air conveying mechanism and high-pressure conveying structure to achieve rapid temperature control;

[0061] 2. The cold air conveying mechanism and hot air circulation equipment work simultaneously to improve the adequacy and uniformity of internal cooling;

[0062] 3. Use hot air circulation equipment to stabilize and maintain the internal temperature;

[0063] 4. Through the combination of blower and air intake pipe, the cooling of conventional air delivery is realized to ensure the continuity and small range of cooling;

[0064] 5. By combining hot air circulation equipment and hydraulic lifting mechanism, the adequacy of internal circulation is improved, the stability of internal temperature maintenance is further ensured, and the quality of product sintering is improved;

[0065] 6. The blower, air inlet pipe and hydraulic lifting mechanism are combined to further improve the cooling adequacy and uniformity of conventional air conveying to ensure the sintering quality;

[0066] 7. Through the combination of the blower and the air inlet pipe, the cold air delivery mechanism and the high-pressure delivery structure, the cold air and the conventional air are combined to achieve the effect of buffering and continuous cooling. At the same time, the cooling can be stopped in time and the temperature can be quickly maintained;

[0067] 8. Through the combination of blower, air intake pipe, cold air conveying mechanism, high-pressure conveying structure and hydraulic lifting mechanism, the sufficiency and uniformity of the continuous cooling effect are greatly guaranteed, further improving the quality of production.

[0068] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A temperature control structure for a cement clinker burning device, comprising a sintering furnace (9), characterized in that: A cold air conveying mechanism and a high-pressure conveying structure are provided on one side of the sintering furnace (9), and the cold air conveying mechanism and the high-pressure conveying structure are connected to each other. Cold air conveying pipes (20) are fixed on the top and both sides of the sintering furnace (9), and the high-pressure conveying structure is connected to the three cold air conveying pipes (20). A hydraulic lifting mechanism is provided at the upper end of the sintering furnace (9), and a hot air circulation device is installed on the hydraulic lifting mechanism, and the hot air circulation device is cross-arranged between the two cold air conveying pipes (20).

2. The temperature control structure for cement clinker burning device according to claim 1, characterized in that: The cold air conveying mechanism comprises a cold air fan (8) arranged on one side of the sintering furnace (9); the air outlet end of the cold air fan (8) is connected to a fixed pipe (13); one end of the fixed pipe (13) is connected to a high-pressure conveying structure; and a pressure gauge (7) and a valve are installed on the fixed pipe (13).

3. The temperature control structure for cement clinker burning device according to claim 2, characterized in that: The high-pressure transmission structure comprises a transfer tank (5) connected to one side of a fixed pipe (13); one side of the transfer tank (5) is connected to a high-pressure air pump (6); the air delivery end of the high-pressure air pump (6) is connected to a cold air delivery pipe (4); one end of the cold air delivery pipe (4) is connected to a four-way joint (2); three connecting pipes (3) are fixed at equal intervals around the four-way joint (2); one end of the three cold air delivery pipes (20) is connected to the three connecting pipes (3).

4. The temperature control structure for cement clinker burning device according to claim 1, characterized in that: The hydraulic lifting mechanism comprises a protection box (12) fixed to the upper end of the sintering furnace (9), and mounting seats (17) are provided on both sides of the top of the protection box (12). A hydraulic cylinder (16) is installed on the mounting seat (17), and a support member (14) is fixed to the end of the piston rod of the hydraulic cylinder (16), and a reinforcing plate (18) is fixed between the two support members (14).

5. The temperature control structure for cement clinker burning device according to claim 4, characterized in that: The hot air circulation device comprises a connecting plate (1) fixed at the lower end of a support member (14), the lower end of the connecting plate (1) passing through the top of the sintering furnace (9) and extending between two cold air delivery pipes (20), and three blowers (19) are fixed and passed through the connecting plate (1) at equal intervals, and the three blowers (19) correspond to each other.

6. The temperature control structure for cement clinker burning device according to claim 4, characterized in that: Guide rods (15) are fixed on both sides of the upper end of the support member (14), and the guide rods (15) penetrate the mounting seat (17) and extend to the upper end of the mounting seat (17). Support rods (11) are fixed at the four corners of the lower end of the protection box (12), and the lower end of the support rod (11) is fixed to the upper end of the sintering furnace (9).

7. The temperature control structure for cement clinker burning device according to claim 5, characterized in that: The connection plate (1) is provided with three installation openings (22) at equal intervals, and three blowers (19) on the same side are respectively installed in the three installation openings (22) on the same side. One side of the cold air delivery pipe (20) is connected with a plurality of nozzles (21) at equal intervals.

8. The temperature control structure for cement clinker burning device according to claim 5, characterized in that: A fixed cover (25) is commonly fixed to one side of the three blowers (19) on the same side, one end of the two fixed covers (25) is commonly connected to a moving pipe (23), and the moving pipe (23) passes through the upper side wall of the sintering furnace (9) and extends to the upper end of the sintering furnace (9), and two air inlet pipes (24) are fixed to one side of the upper end of the moving pipe (23).

9. The temperature control structure for cement clinker burning device according to claim 1, characterized in that: An exhaust pipe (10) is connected to one side of the upper end of the sintering furnace (9).

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