Heat accumulating type lime kiln device

Abstract

The utility model discloses a heat accumulating type lime kiln device, and relates to the technical field of calcining equipment. The material scattering device comprises a feeding assembly, the feeding assembly comprises a feeding chamber, a material scattering assembly is arranged in the feeding chamber in a reciprocating sliding mode, the material scattering assembly comprises a grid screen arranged in the feeding chamber in a reciprocating sliding mode, second supporting columns are fixed to the two opposite side faces of the grid screen, and first connecting plates are rotationally matched with the circumferential side faces of the second supporting columns; a double-shaft motor is fixed to the outer side face of the first feeding chamber, rotating discs are fixed to two output shafts of the double-shaft motor, the first connecting plate is rotationally matched with centrifugal columns on one sides of the rotating discs, and a plurality of dredging pieces are fixed to the position, below the grid screen, in the feeding chamber. The double-shaft motor drives the rotating disc to rotate, the rotating disc drives the grid screen to move back and forth in a reciprocating mode through the first connecting plate, the second connecting plate drives the grid screen to move up and down in a reciprocating mode, meanwhile, the dredging piece dredges the grid screen, limestone can fall into the heat storage chamber more evenly, the preheating effect is enhanced, and meanwhile the limestone is prevented from being blocked in the feeding chamber.

Description

Technical Field

[0001] The utility model belongs to the technical field of calcining equipment, in particular to a heat storage type lime kiln device. Background Art

[0002] Lime, as an important industrial raw material, is widely used in construction, metallurgy, chemical industry, environmental protection and other fields. Lime kiln is an important device for producing lime. Lime kiln calcines limestone at high temperature to decompose it into lime and carbon dioxide.

[0003] A Chinese patent with publication number CN215559917U discloses a heat storage type lime kiln device, including a heat storage chamber and an exhaust fan, the lower end of the heat storage chamber is connected with a combustion chamber, the lower end of the combustion chamber is connected with a cooling chamber, the lower part of the right side wall of the combustion chamber is connected with an combustion-supporting agent nozzle and a combustion nozzle, the lower part of the right side wall of the cooling chamber is connected with a cooling air duct, a cylindrical heat preservation cover is provided on the outer side of the heat storage chamber, a smoke hood is provided on the left side wall of the combustion chamber, a heat exchange smoke pipe is wrapped around the outer surface of the heat storage chamber corresponding to the position of the cylindrical heat preservation cover, the smoke outlet end of the heat exchange smoke pipe passes through the upper part of the side wall of the cylindrical heat preservation cover and is connected to the air inlet end of the exhaust fan, the high-temperature flue gas can be used to heat the heat storage chamber, so that the waste heat of the flue gas can be more fully utilized, thereby making the preheating effect of the limestone better, facilitating the burning of the limestone, and improving the utilization rate of energy.

[0004] When the crushed limestone is added to the feed hopper, it is easy to get stuck on the top of the conical bulk hopper fixedly connected to the lower part of the inner wall of the feed hopper, affecting the limestone from entering the regenerator for preheating. To this end, we provide a regenerative lime kiln device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a heat storage type lime kiln device, which solves the problem of limestone blocking the feed port of the existing heat storage type lime kiln device through the design of bulk material components.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a heat storage type lime kiln device, comprising a feeding component, the feeding component comprising a feeding chamber, a bulk material component is reciprocatingly slidably arranged inside the feeding chamber, and is characterized in that: the bulk material component comprises a mesh screen reciprocatingly slidably arranged inside the feeding chamber, two supporting columns are fixed on opposite sides of the mesh screen, and a connecting plate is rotatably matched with the side surfaces of the two supporting columns.

[0008] Movable grooves are formed through the two opposite outer sides of the loading chamber, a double-axis motor is fixed to an outer side of the loading chamber, turntables are fixed to the two output shafts of the double-axis motor, centrifugal columns are fixed to the opposite side of the two turntables at a position deviating from the center, and the centrifugal columns are rotatably matched with a connecting plate.

[0009] A plurality of support columns three are fixed on two opposite sides of the mesh screen, and a connecting plate two is rotatably matched around the side surfaces of the support columns.

[0010] A plurality of support columns 1 are fixed on two opposite sides of the loading chamber, and the support columns 1 are rotatably matched with the connecting plate 2.

[0011] A plurality of groups of dredging components are fixed inside the feeding chamber below the mesh screen.

[0012] The utility model is further configured that a feeding port is opened at the top of the loading chamber, and limiting plates are fixedly connected to the inner corners of the loading chamber.

[0013] The utility model is further configured that a V-shaped screen is arranged in the middle of the grid screen, and a plurality of screen holes are opened in a linear array on the top of the V-shaped screen.

[0014] The utility model is further configured such that the dredging member includes a fixed plate fixedly connected to the inside of the loading chamber, a plurality of plug rods are fixed on the top of the fixed plate in a linear array, a plurality of the dredging rods correspond one-to-one to a plurality of sieve holes, and a diameter of the dredging rods is much smaller than a diameter of the sieve holes.

[0015] The utility model is further configured that the bottom of the feeding chamber is connected to a heat storage chamber, and the bottom of the heat storage chamber is connected to a combustion chamber.

[0016] The utility model is further configured that a cooling assembly is fixedly arranged at the bottom of the combustion chamber, and a material discharge chamber is fixedly arranged at the bottom of the cooling assembly.

[0017] The utility model is further configured that the cooling assembly includes a cooling chamber interconnected with the combustion chamber and the unloading chamber, a heat-conducting wall is fixedly arranged inside the cooling chamber, and a cavity is formed between the cooling chamber and the heat-conducting wall.

[0018] The utility model is further configured that a support plate is fixed to an outer side surface of the cooling chamber.

[0019] The cooling chamber is connected to two opposite outer sides with delivery pipes, one end of one of the delivery pipes is provided with a water pump, the output end of the water pump is connected to a cooler through the delivery pipe, and the output end of the cooler is connected to the other delivery pipe.

[0020] The bottoms of the water pump and the cooler are fixedly connected to the top of the support plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model drives the turntable to rotate through a double-axis motor, and the turntable drives the mesh screen to reciprocate back and forth through the connecting plate 1. At this time, the mesh screen drives the connecting plate 2 to swing, and the connecting plate 2 provides an upward thrust for the mesh screen, so that the mesh screen can reciprocate up and down. Through the cooperation with the dredging piece below the mesh screen, the limestone can pass through the mesh screen smoothly and evenly, avoiding the limestone from being blocked at the feeding place, and reducing unnecessary work.

[0023] 2. The utility model injects water or other coolant into the cavity so that the heat retained by the lime in the heat-conducting wall is absorbed by the water or coolant in the cavity through the heat-conducting wall, and the liquid in the cavity can be reused through a water pump and a cooler, thereby improving the cooling effect of the fired lime and avoiding the phenomenon of lime blocking the air pipe when using cold air for cooling.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 The figure is a three-dimensional structural schematic diagram of a heat storage type lime kiln device.

[0027] Figure 2 A cross-sectional view of the loading assembly.

[0028] Figure 3 It is a cross-sectional view of the loading chamber.

[0029] Figure 4 It is a schematic diagram of the structure of the bulk material component.

[0030] Figure 5 Schematic diagram of the structure of the grid screen.

[0031] Figure 6 It is a schematic diagram of the structure of the transfer rod.

[0032] Figure 7 It is a schematic diagram of the structure of the dredging component.

[0033] Figure 8 A schematic diagram of the cooling assembly.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Feeding assembly; 101. Feeding chamber; 102. Bulk material assembly; 103. Feeding port; 104. Movable slot; 105. Limiting plate; 106. Support column one; 107. Mesh screen; 108. Support column two; 109. Connecting plate one; 110. Turntable; 111. Double-axis motor; 112. Connecting plate two; 113. Dredging piece; 114. V-shaped screen; 115. Sieve hole; 116. Support column three; 117. Centrifugal column; 118. Fixed plate; 119. Dredging rod; 2. Heat storage chamber; 3. Combustion chamber; 4. Cooling assembly; 401. Cooling chamber; 402. Heat conduction wall; 403. Cavity; 404. Delivery pipe; 405. Water pump; 406. Cooler; 407. Support plate; 5. Unloading chamber. DETAILED DESCRIPTION

[0036] 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 of 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. Specific embodiment 1

[0038] See also Figure 1-4The utility model is a heat storage type lime kiln device, including a feeding component 1, the feeding component 1 includes a feeding chamber 101, a bulk material component 102 is reciprocatingly slidably arranged inside the feeding chamber 101, a feeding port 103 is opened on the top of the feeding chamber 101, and the internal corners of the feeding chamber 101 are fixedly connected to the limiting plate 105, the bulk material component 102 includes a mesh screen 107 reciprocatingly slidably arranged inside the feeding chamber 101, the mesh screen 107 is fixed with supporting columns 108 on both opposite sides, and the supporting columns 108 are rotatably matched with a connecting plate 109 around the side, and movable grooves 104 are penetrated and opened on both opposite outer sides of the feeding chamber 101, a double-axis motor 111 is fixed on an outer side of the feeding chamber 101, and a rotating disk 110 is fixed on both output shafts of the double-axis motor 111, and a centrifugal column 117 is fixed on the opposite side of the two rotating disks 110, and the centrifugal column 117 is rotatably matched with the connecting plate 109, and the mesh screen 107 is fixed with supporting columns 108 on both opposite sides, and the connecting plate 109 is rotatably matched with the supporting columns 108 on both sides ... fixed with supporting columns 108 on both sides A plurality of supporting columns 3 116 are fixed on opposite sides of the grid screen 107, and a connecting plate 2 112 is rotatably cooperated with the side surfaces of the supporting columns 3 116. A plurality of supporting columns 106 are fixed on opposite sides of the loading chamber 101, and the supporting columns 106 rotatably cooperate with the connecting plate 2 112. A plurality of dredging pieces 113 are fixed inside the loading chamber 101 below the grid screen 107. The limestone raw material is poured into the loading chamber 101 through the feed port 103, and the dual-axis motor 111 is started at the same time. The dual-axis motor 111 drives the turntable 110 to rotate, and the turntable 110 drives the grid screen 107 to reciprocate back and forth through the connecting plate 109. At this time, the grid screen belt 107 drives the connecting plate 2 112 to swing, and the connecting plate 2 112 provides an upward thrust for the grid screen 107, so that the grid screen 107 reciprocates up and down, and cooperates with the dredging piece 113 below the grid screen 107, so that the limestone passes through the grid screen 107 smoothly. Specific embodiment 2

[0040] See also Figure 1-7 A V-shaped screen 114 is arranged in the middle of the mesh screen 107, and a plurality of screen holes 115 are provided in a linear array on the top of the V-shaped screen 114. The dredging piece 113 includes a fixed plate 118 fixedly connected to the inside of the loading chamber 101, and a plurality of dredging rods 119 are fixed in a linear array on the top of the fixed plate 118. The plurality of dredging rods 119 correspond to the plurality of screen holes 115 one by one, and the diameter of the dredging rods 119 is much smaller than the diameter of the screen holes 115. Each time the mesh screen 107 reciprocates, the dredging rods 119 will swing and insert into the screen holes 115 to prevent the lime raw materials from clogging the screen holes 115. Specific embodiment three

[0042] See also Figure 1-8The bottom of the loading chamber 101 is connected to the heat storage chamber 2, the bottom of the heat storage chamber 2 is connected to the combustion chamber 3, the bottom of the combustion chamber 3 is fixedly provided with a cooling assembly 4, the bottom of the cooling assembly 4 is fixedly provided with a feeding chamber 5, the cooling assembly 4 includes a cooling chamber 401 which is interconnected with the combustion chamber 3 and the feeding chamber 5, a heat conduction wall 402 is fixedly provided inside the cooling chamber 401, a cavity 403 is formed between the cooling chamber 401 and the heat conduction wall 402, a support plate 407 is fixed to an outer side of the cooling chamber 401, and two opposite outer sides of the cooling chamber 401 are connected to a delivery pipe 404, one end of the delivery pipe 404 is provided with a water pump 405, and the delivery of the water pump 405 The outlet end is connected to a cooler 406 through a delivery pipe 404, and the output end of the cooler 406 is connected to another delivery pipe 404. The bottom of the water pump 405 and the cooler 406 are fixedly connected to the top of the support plate 407. The limestone passes through the loading chamber 101 and enters the heat storage chamber 2 for preheating. After preheating, it enters the combustion chamber 3 for calcination. The calcined lime first falls into the heat conduction wall 402, and the heat of the lime itself is absorbed by the water or coolant in the cavity 403 through the heat conduction wall 402. When the temperature of the liquid in the cavity 403 is too high, the water pump 405 is used to make the liquid in the cavity 403 flow through the cooler 406 for cooling.

[0043] The operation process of this embodiment is as follows:

[0044] The crushed limestone is poured onto the mesh screen 107 through the feed port 103, and at the same time, the dual-axis motor 111 is started to drive one end of the connecting plate 109 to perform a circular motion through the centrifugal column 117 on the side of the turntable 110, and the other end of the connecting plate 109 drives the mesh screen 107 to reciprocate back and forth through the supporting column 2 108, and the mesh screen 107 drives the connecting plate 2 112 to swing around the supporting column 106, so that the connecting plate 2 112 intermittently pushes the mesh screen 107 to reciprocate upward. At this time, the mesh screen 107 below The clearing rod 119 on the clearing piece 113 is also inserted into the sieve hole 115 with the up and down frequency of the mesh screen 107 to prevent limestone from clogging the sieve hole 115. After being preheated in the heat storage chamber 2 and calcined in the combustion chamber 3, the limestone generates lime and falls into the heat-conducting wall 402. At this time, the heat of the lime itself is absorbed by the liquid in the cavity 403 through the heat-conducting wall 402. When the temperature of the liquid in the cavity 403 is too high, the water pump 405 is used to make the liquid in the cavity 403 flow through the cooler 406 to cool down and flow back into the cavity 403.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation 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.

[0046] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A regenerative lime kiln device, comprising a feeding assembly (1), wherein the feeding assembly (1) comprises a feeding chamber (101), wherein a bulk material assembly (102) is reciprocatingly slidably disposed inside the feeding chamber (101), characterized in that: The bulk material assembly (102) comprises a mesh screen (107) reciprocatingly slidably arranged inside the loading chamber (101), two supporting columns (108) are fixed on opposite sides of the mesh screen (107), and a connecting plate (109) is rotatably engaged with the side surface of the supporting column (108); The loading chamber (101) is provided with movable grooves (104) on both opposite outer sides, a double-axis motor (111) is fixed on one outer side of the loading chamber (101), a rotating disk (110) is fixed on both output shafts of the double-axis motor (111), a centrifugal column (117) is fixed on one side of the two rotating disks (110) at a position deviating from the center, and the centrifugal column (117) is rotatably matched with a connecting plate (109); The mesh screen (107) is fixed with a plurality of supporting columns (116) on both opposite sides, and the supporting columns (116) are rotatably matched with connecting plates (112) on the sides thereof; A plurality of support columns (106) are fixed on two opposite sides of the loading chamber (101), and the support columns (106) are rotatably matched with the connecting plate (112); A plurality of groups of clearing members (113) are fixed inside the loading chamber (101) below the mesh screen (107).

2. A regenerative lime kiln device according to claim 1, characterized in that: A feeding port (103) is provided at the top of the loading chamber (101), and limiting plates (105) are fixedly connected to the inner corners of the loading chamber (101).

3. A regenerative lime kiln device according to claim 2, characterized in that: A V-shaped screen (114) is arranged in the middle of the mesh screen (107), and a plurality of screen holes (115) are arranged in a linear array on the top of the V-shaped screen (114).

4. A regenerative lime kiln device according to claim 3, characterized in that: The clearing member (113) includes a fixed plate (118) fixedly connected to the inside of the loading chamber (101), and a plurality of clearing rods (119) are fixed in a linear array on the top of the fixed plate (118). The plurality of clearing rods (119) correspond one-to-one to a plurality of sieve holes (115), and the diameter of the clearing rods (119) is much smaller than the diameter of the sieve holes (115).

5. A regenerative lime kiln device according to claim 4, characterized in that: The bottom of the loading chamber (101) is connected to a heat storage chamber (2), and the bottom of the heat storage chamber (2) is connected to a combustion chamber (3).

6. A regenerative lime kiln device according to claim 5, characterized in that: A cooling assembly (4) is fixedly arranged at the bottom of the combustion chamber (3), and a material discharge chamber (5) is fixedly arranged at the bottom of the cooling assembly (4).

7. A regenerative lime kiln device according to claim 6, characterized in that: The cooling assembly (4) comprises a cooling chamber (401) which is interconnected with the combustion chamber (3) and the unloading chamber (5); a heat-conducting wall (402) is fixedly arranged inside the cooling chamber (401); and a cavity (403) is formed between the cooling chamber (401) and the heat-conducting wall (402).

8. A regenerative lime kiln device according to claim 7, characterized in that: A support plate (407) is fixed to an outer side surface of the cooling chamber (401); The cooling chamber (401) is connected to two opposite outer sides thereof with delivery pipes (404); a water pump (405) is provided at one end of one of the delivery pipes (404); the output end of the water pump (405) is connected to a cooler (406) through the delivery pipe (404); and the output end of the cooler (406) is connected to the other delivery pipe (404); The bottoms of the water pump (405) and the cooler (406) are fixedly connected to the top of the support plate (407).

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