Grate cooler capable of improving cooling efficiency

Abstract

The utility model relates to the technical field of grate coolers, and discloses a grate cooler capable of improving cooling efficiency, which comprises a main body mechanism, a cooling mechanism and an auxiliary mechanism, the cooling mechanism is positioned at the lower end of the main body mechanism, and the auxiliary mechanism is positioned below the cooling mechanism. According to the grate cooler capable of improving the cooling efficiency, through installation of the main body mechanism, a heat-resisting sealing steel plate is an integrally-cast sealing piece in the use process of the grate cooler, it can be ensured that the sealing gap between the movable grate bed and the fixed grate bed is within 5 mm, the abrasion resistance and the high-temperature resistance of a casting piece under high-temperature clinker are improved, and the service life of the grate cooler is prolonged. The grate plate A and the grate plate B are formed by overlapping the sealing plate A and the sealing plate B up and down, and the sealing performance of the grate plate is better than the common sealing effect through the arrangement of the clamping grooves and the clamping blocks, so that the sealing performance and the clinker cooling efficiency are improved, large gap air channeling and air chamber material returning can be reduced, and the practicability of the grate cooler capable of improving the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grate coolers, in particular to a grate cooler capable of improving cooling efficiency. Background Art

[0002] With the development of construction technology, cement has become an indispensable raw material in the construction industry. Grate cooler is an important main equipment in the clinker burning system of cement plant. Its main function is to cool and transport cement clinker, and provide hot air for rotary kiln and decomposition furnace, etc. It is the main equipment for heat recovery in the burning system.

[0003] However, the seals of the fixed grate bed and the movable grate bed of some existing grate coolers are easily burned during use, resulting in serious leakage of material when the fixed grate bed and the movable grate bed move back and forth. In addition, the movable grate bed U-shaped seal has a flat connection between each section, and the sealing gap is large. Each column moves back and forth and leaks fine material into the wind chamber at the gap between the sections, causing a lot of clinker to accumulate in the wind chamber, affecting the ventilation of the grate plate and the cooling of the clinker. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model aims to provide a grate cooler capable of improving cooling efficiency, so as to solve the problem that the seals of the fixed grate bed and the movable grate bed are easily burned, resulting in serious leakage of material when the fixed grate bed and the movable grate bed move back and forth, and the movable grate bed U-shaped seal is connected flatly between each section, and the sealing gap is large. When each column moves back and forth, fine material leaks into the wind chamber at the gaps between the sections, resulting in a lot of clinker accumulation in the wind chamber, which affects the ventilation of the grate plate and the cooling of the clinker.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solution: a grate cooler capable of improving cooling efficiency, comprising a main mechanism, a cooling mechanism and an auxiliary mechanism, wherein the cooling mechanism is located at the lower end of the main mechanism, and the auxiliary mechanism is located below the cooling mechanism, wherein the main mechanism comprises a grate cooler body, a fixed grate bed and a heat-resistant sealing steel plate, wherein the fixed grate bed is fixedly installed inside the grate cooler body, and the heat-resistant sealing steel plate is fixedly installed at the right end of the fixed grate bed;

[0008] Preferably, the main mechanism further comprises a movable grate bed, a grate plate A, a sealing plate A, a slot, a grate plate B, a sealing plate B, a block, a feed pipe and an exhaust pipe, wherein the movable grate bed is movably arranged at the right end of the heat-resistant sealing steel plate, the grate plate A is fixedly arranged inside the movable grate bed, the sealing plate A is fixedly installed at the left end of the grate plate A, the slot is fixedly arranged at the upper end of the sealing plate A, the grate plate B is fixedly arranged at the left end of the grate plate A, the sealing plate B is fixedly installed at the right end of the grate plate B, the block is fixedly arranged at the upper end of the sealing plate A, the grate plate B is fixedly arranged at the left end of the grate plate A, the sealing plate B is fixedly installed at the right end of the grate plate B, and the block is fixedly arranged at the upper end of the sealing plate A. It is fixedly installed at the lower end of the sealing plate B. During the use of the grate cooler, the heat-resistant sealing steel plate is an integrally cast seal to ensure that the sealing gap between the movable grate bed and the fixed grate bed is within 5mm, which improves the wear resistance and high temperature resistance of the casting under high-temperature clinker. The grate plates A and B are overlapped up and down by the sealing plates A and B, and the sealing performance is better than the ordinary sealing effect through the setting of the card slot and the card block, which improves the sealing performance and clinker cooling efficiency, and can reduce the large gap wind leakage and the return of materials in the wind chamber.

[0009] Preferably, the feed pipe is fixedly installed at the upper end of the grate cooler body, and the exhaust pipe is fixedly installed at the right end of the feed pipe. The feed pipe can pour the clinker into the grate cooler, and the exhaust pipe can discharge the heated cooling air to the recovery equipment for utilization.

[0010] Preferably, the cooling mechanism comprises a cooling chassis, an air inlet, a filter, a cooling fan and an air duct. The cooling chassis is fixedly mounted on the lower end of the grate cooler body, and the cooling unit can be easily installed in the cooling chassis.

[0011] Preferably, the air inlet is fixedly arranged at the lower end of the cooling chassis, and the filter is fixedly installed inside the air inlet.

[0012] Preferably, the cooling fan is fixedly installed inside the cooling box, and the air duct is fixedly installed at the upper end of the cooling fan. The cooling fan is started during cooling, and the cooling fan generates cooling air through the air inlet, which is then blown into the grate cooler through the air duct for cooling. The filter can filter dust in the air to prevent dust from entering the machine.

[0013] Preferably, the auxiliary mechanism includes a support leg, a support rod and a fixed mounting block, the support leg is fixedly mounted on the lower end of the grate cooler body, the support rod is fixedly mounted on the left end of the support leg, and the fixed mounting block is fixedly mounted on the outer end of the support rod. The support leg can support the machine, and the compressive strength of the support leg can be enhanced by setting the support rod. The fixed mounting block can firmly fix the support leg to the ground by installing screws to prevent the machine from shifting during operation.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The grate cooler capable of improving cooling efficiency realizes that the heat-resistant sealing steel plate is an integrally cast sealing part during the use of the grate cooler through the installation of the main mechanism, ensuring that the sealing gap between the movable grate bed and the fixed grate bed is within 5 mm, thereby improving the wear resistance and high temperature resistance of the casting under high-temperature clinker. The grate plate A and the grate plate B are overlapped up and down by the sealing plate A and the sealing plate B, and the sealing performance is better than the ordinary sealing effect through the setting of the card slot and the card block, thereby improving the sealing performance and the clinker cooling efficiency, reducing the large gap wind and the return of the air chamber, and improving the practicality of the grate cooler capable of improving cooling efficiency;

[0016] 2. The grate cooler capable of improving cooling efficiency realizes starting the cooling fan during cooling by installing the cooling mechanism. The cooling fan generates cooling air through the air inlet, and then blows the cooling air into the grate cooler through the air duct for cooling. The filter can filter dust in the air to prevent dust from entering the machine, thereby improving the cooling effect of the grate cooler capable of improving cooling efficiency.

[0017] 3. The grate cooler capable of improving cooling efficiency can realize that the supporting legs can support the machine by installing auxiliary mechanisms, and the compressive strength of the supporting legs can be enhanced by setting the supporting rods. The fixed mounting blocks can firmly fix the supporting legs on the ground by installing screws to avoid machine displacement during operation, thereby improving the stability of the grate cooler capable of improving cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the main mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the cooling mechanism of the utility model.

[0022] In the figure: 1. Main mechanism; 101. Grate cooler body; 102. Fixed grate bed; 103. Heat-resistant sealing steel plate; 104. Moving grate bed; 105. Grate plate A; 106. Sealing plate A; 107. Slot; 108. Grate plate B; 109. Sealing plate B; 110. Block; 111. Feed pipe; 112. Exhaust pipe; 2. Cooling mechanism; 201. Cooling chassis; 202. Air inlet; 203. Filter; 204. Cooling fan; 205. Air duct; 3. Auxiliary mechanism; 301. Support leg; 302. Support rod; 303. Fixed mounting block. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a grate cooler capable of improving cooling efficiency, comprising a main mechanism 1, a cooling mechanism 2 and an auxiliary mechanism 3, wherein the cooling mechanism 2 is located at the lower end of the main mechanism 1, and the auxiliary mechanism 3 is located below the cooling mechanism 2, the main mechanism 1 comprises a grate cooler body 101, a fixed grate bed 102 and a heat-resistant sealing steel plate 103, the fixed grate bed 102 is fixedly installed inside the grate cooler body 101, and the heat-resistant sealing steel plate 103 The main mechanism 1 further comprises a movable grate bed 104, a grate plate A105, a sealing plate A106, a card slot 107, a grate plate B108, a sealing plate B109, a card block 110, a feed pipe 111 and an exhaust pipe 112. The movable grate bed 104 is movably arranged at the right end of the heat-resistant sealing steel plate 103, the grate plate A105 is fixedly arranged inside the movable grate bed 104, and the sealing plate A106 is fixedly arranged at the grate plate 108. The left end of the plate A105, the card slot 107 is fixedly arranged on the upper end of the sealing plate A106, the grate plate B108 is fixedly arranged on the left end of the grate plate A105, the sealing plate B109 is fixedly installed on the right end of the grate plate B108, the card block 110 is fixedly installed on the lower end of the sealing plate B109, the feed pipe 111 is fixedly installed on the upper end of the grate cooler body 101, and the exhaust pipe 112 is fixedly installed on the right end of the feed pipe 111. The heat-resistant sealing steel plate 103 is used to ensure that the sealing gap between the movable grate bed 104 and the fixed grate bed 102 is within 5 mm, thereby improving the wear resistance and high temperature resistance of the casting under high-temperature clinker. The grate plate A105 and the grate plate B108 are overlapped by the sealing plate A106 and the sealing plate B109, and the sealing performance and clinker cooling efficiency are improved by the setting of the slot 107 and the block 110, which can reduce the wind leakage through the gap and the return of materials in the wind chamber.

[0025] The cooling mechanism 2 includes a cooling case 201, an air inlet 202, a filter 203, a cooling fan 204 and an air duct 205. The cooling case 201 is fixedly installed at the lower end of the grate cooler body 101, the air inlet 202 is fixedly arranged at the lower end of the cooling case 201, the filter 203 is fixedly installed inside the air inlet 202, the cooling fan 204 is fixedly installed inside the cooling case 201, and the air duct 205 is fixedly installed at the upper end of the cooling fan 204. When cooling, the cooling fan 204 is started, and the cooling fan 204 generates cooling air through the air inlet 202, which is then blown into the grate cooler through the air duct 205 for cooling. The filter 203 can filter dust in the air to prevent dust from entering the machine.

[0026] The auxiliary mechanism 3 includes a support leg 301, a support rod 302 and a fixed mounting block 303. The support leg 301 is fixedly mounted on the lower end of the grate cooler body 101, the support rod 302 is fixedly mounted on the left end of the support leg 301, and the fixed mounting block 303 is fixedly mounted on the outer end of the support rod 302. The machine is supported by the support leg 301. The compressive strength of the support leg 301 can be enhanced by the setting of the support rod 302. The fixed mounting block 303 can firmly fix the support leg 301 to the ground by installing screws to prevent the machine from shifting during operation.

[0027] Working principle: During the use of the grate cooler, the heat-resistant sealing steel plate 103 can be used to ensure that the sealing gap between the movable grate bed 104 and the fixed grate bed 102 is within 5 mm, which improves the wear resistance and high temperature resistance of the casting under high-temperature clinker. The grate plate A105 and the grate plate B108 are overlapped by the sealing plate A106 and the sealing plate B109, and the sealing performance and clinker cooling efficiency are improved by the setting of the card slot 107 and the card block 110, which can reduce the gap between the wind and the return of the wind chamber. When cooling, the cooling fan 204 is started, and the cooling fan 204 generates cooling air through the air inlet 202, and then blows it into the grate cooler through the air duct 205 for cooling. The filter 203 can filter dust in the air to prevent dust from entering the machine. The machine is supported by the support legs 301. The compressive strength of the support legs 301 can be enhanced by setting the support rods 302. The fixed mounting block 303 can firmly fix the support legs 301 to the ground by installing screws to prevent the machine from shifting during operation.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A grate cooler capable of improving cooling efficiency, comprising a main mechanism (1), a cooling mechanism (2) and an auxiliary mechanism (3), characterized in that: The cooling mechanism (2) is located at the lower end of the main mechanism (1), and the auxiliary mechanism (3) is located below the cooling mechanism (2). The main mechanism (1) comprises a grate cooler body (101), a fixed grate bed (102), and a heat-resistant sealing steel plate (103). The fixed grate bed (102) is fixedly mounted inside the grate cooler body (101), and the heat-resistant sealing steel plate (103) is fixedly mounted at the right end of the fixed grate bed (102). The main body mechanism (1) further comprises a movable grate bed (104), a grate plate A (105), a sealing plate A (106), a clamping groove (107), a grate plate B (108), a sealing plate B (109), a clamping block (110), a feed pipe (111) and an exhaust pipe (112); the movable grate bed (104) is movably arranged at the right end of the heat-resistant sealing steel plate (103); the grate plate A (105) is fixedly arranged at the movable grate bed ( The sealing plate A (106) is fixedly mounted on the left end of the grate plate A (105), the clamping groove (107) is fixedly mounted on the upper end of the sealing plate A (106), the grate plate B (108) is fixedly mounted on the left end of the grate plate A (105), the sealing plate B (109) is fixedly mounted on the right end of the grate plate B (108), and the clamping block (110) is fixedly mounted on the lower end of the sealing plate B (109).

2. A grate cooler capable of improving cooling efficiency according to claim 1, characterized in that: The feed pipe (111) is fixedly mounted on the upper end of the grate cooler body (101), and the exhaust pipe (112) is fixedly mounted on the right end of the feed pipe (111).

3. A grate cooler capable of improving cooling efficiency according to claim 2, characterized in that: The cooling mechanism (2) comprises a cooling box (201), an air inlet (202), a filter (203), a cooling fan (204) and an air duct (205); the cooling box (201) is fixedly mounted on the lower end of the grate cooler body (101).

4. A grate cooler capable of improving cooling efficiency according to claim 3, characterized in that: The air inlet (202) is fixedly arranged at the lower end of the cooling chassis (201), and the filter (203) is fixedly installed inside the air inlet (202).

5. A grate cooler capable of improving cooling efficiency according to claim 4, characterized in that: The cooling fan (204) is fixedly installed inside the cooling box (201), and the air duct (205) is fixedly installed on the upper end of the cooling fan (204).

6. A grate cooler capable of improving cooling efficiency according to claim 5, characterized in that: The auxiliary mechanism (3) comprises a support leg (301), a support rod (302) and a fixed mounting block (303); the support leg (301) is fixedly mounted on the lower end of the grate cooler body (101); the support rod (302) is fixedly mounted on the left end of the support leg (301); and the fixed mounting block (303) is fixedly mounted on the outer end of the support rod (302).

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