Tail oxygen content control device for cement clinker calcining kiln

Abstract

The utility model discloses a cement clinker calcining kiln tail oxygen content control device, and relates to the technical field of cement processing. The calcining kiln comprises a calcining kiln body, a filter box is arranged on one side of the calcining kiln body, an L-shaped pore plate is fixedly connected to the inner wall of the filter box, and a filter bag is arranged on the upper side of the L-shaped pore plate. By arranging the filter bag, when oxygen needs to be increased in the calcining kiln body, external air is extracted under the action of the air blower, the external air enters the filter box and is conveyed into the calcining kiln body after being filtered by the filter bag, when the air circulates in the mounting pipe, the fan blades are driven to rotate, the fan blades rotate to drive the driving rod to rotate, and the driving rod drives the calcining kiln body to rotate. And the driving rod rotates to drive the arc-shaped extrusion block to intermittently extrude the connecting plate, the connecting plate vibrates in cooperation with the reset spring, vibration cleaning is conducted on the filter bag, impurities and dust are prevented from being conveyed into the calcining kiln body, and therefore the machining quality of cement products in the calcining kiln body is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cement processing technical field, concretely relates to a cement clinker calcining kiln tail oxygen content control device. BACKGROUND

[0002] Cement clinker calcination refers to the process that in the cement production process, raw materials (mainly limestone, clay, iron ore powder, etc.) are mixed in a certain proportion, then are ground into raw meal, and then are calcined at high temperature to make the main components in the raw meal undergo a series of physical and chemical reactions to form clinker with calcium silicate as the main component.

[0003] In the cement clinker calcination process, controlling the oxygen content at the kiln tail of the cement kiln is of great significance to optimizing the cement production process, improving energy efficiency and reducing environmental pollution. Currently, the cement kiln mainly controls the oxygen content by introducing appropriate air into the kiln tail during processing. However, in actual use, the external air is directly delivered to the calcining kiln tail, which may react with the materials in the calcination process or deposit in the kiln, affecting the thermal efficiency of the kiln and the flowability of the materials. The impurities contained in the air can easily affect the product processing quality.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a cement clinker calcining kiln tail oxygen content control device.

[0006] To solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows:

[0007] A cement clinker calcining kiln tail oxygen content control device, comprising: a calcining kiln body, a filter box is arranged on one side of the calcining kiln body, an L-shaped hole plate is fixedly connected to the inner wall of the filter box, a filter bag is arranged on the upper side of the L-shaped hole plate, a connecting plate is arranged in the filter box, an installation pipe is fixedly connected to one side of the filter box, a vibration mechanism is arranged in the filter box, a blower is arranged at one end of the installation pipe, an adjusting shell is fixedly connected to the output end of the blower, an adjusting mechanism is arranged in the adjusting shell, a connecting elbow is fixedly connected to one side of the adjusting shell, and an oxygen sensor is arranged on the upper side of the calcining kiln body.

[0008] When it is needed to increase oxygen in the calcining kiln body, the outside air is extracted under the action of the air blower, and the outside air enters the filter box and is transported into the calcining kiln body after being filtered by the filter bag.

[0009] Preferably, the upper end of the filter bag is fixedly connected with the lower side of the connecting plate, and one end of the connecting elbow is fixedly connected with the upper side of the calcining kiln body.

[0010] Preferably, the vibration mechanism comprises a support frame fixedly connected with the inner wall of the mounting pipe, one side of the support frame is rotatably connected with the driving rod, one end of the driving rod is fixedly connected with the fan blade, and the arc-shaped extrusion block is arranged on the driving rod.

[0011] Preferably, the fan blade is rotatably connected with the inner wall of the mounting pipe, one end of the driving rod is rotatably connected with one side of the inner wall of the filter box, and the arc-shaped extrusion block is matched with the connecting plate.

[0012] Preferably, the adjusting mechanism comprises a ventilation plate fixedly connected with the inner wall of the adjusting shell, one side of the ventilation plate is rotatably connected with the rotating shaft, the half moon baffle is rotatably connected with the rotating shaft, the inner wall of the adjusting shell is rotatably connected with the worm, one end of the rotating shaft is fixedly connected with the worm wheel, and the upper end of the worm is fixedly connected with the knob.

[0013] Preferably, the worm wheel is engaged with the worm, and the worm is matched with the ventilation plate.

[0014] Preferably, one side of the ventilation plate is provided with an annular groove, and one side of the half moon baffle is fixedly connected with the arc-shaped guide block matched with the annular groove.

[0015] Preferably, the two sides of the connecting plate are fixedly connected with the reset springs, one end of the two reset springs is fixedly connected with one side of the L-shaped hole plate, and one end of the other two reset springs is fixedly connected with one side of the inner wall of the filter box.

[0016] Preferably, the two sides of the inner wall of the filter box are fixedly connected with the guide plates, one side of the filter box is fixedly connected with the air inlet pipe, and the front side of the filter box is provided with the cleaning door.

[0017] Preferably, the air flow meter is arranged on the connecting elbow.

[0018] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:

[0019] When oxygen needs to be increased in the calcining kiln body, the external air is extracted under the action of the air blower, and the external air enters the filter box and is transported into the calcining kiln body after being filtered by the filter bag, when the air flows in the installation pipe, the fan blade is driven to rotate, the driving rod is driven to rotate, the arc extrusion block is intermittently extruded on the connecting plate, the connecting plate is vibrated to clean the filter bag, and the processing quality of the cement product in the calcining kiln body is ensured.

[0020] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings. In the drawings,

[0022] In the drawings:

[0023] Figure 1 It is a three-dimensional structure schematic view of an embodiment of the present application;

[0024] Figure 2 It is a filter box cross-section structure schematic view of an embodiment of the present application;

[0025] Figure 3 It is a vibration mechanism structure schematic view of an embodiment of the present application;

[0026] Figure 4 It is an adjusting mechanism structure schematic view of an embodiment of the present application;

[0027] Figure 5 It is an adjusting mechanism explosion structure schematic view of an embodiment of the present application.

[0028] In the drawings, the component list represented by each number is as follows:

[0029] 1, calcining kiln body; 2, filter box; 3, L-shaped hole plate; 4, filter bag; 5, connecting plate; 6, installation pipe; 7, vibration mechanism; 71, support frame; 72, driving rod; 73, fan blade; 74, arc extrusion block; 8, air blower; 9, adjusting shell; 10, adjusting mechanism; 101, air permeable plate; 102, rotating shaft; 103, half moon baffle; 104, worm; 105, worm wheel; 106, knob; 11, connecting elbow; 12, oxygen sensor; 13, ring groove; 14, arc-shaped guide block; 15, return spring; 16, guide plate; 17, air inlet pipe; 18, cleaning door; 19, air flow meter.

[0030] It should be noted that the drawings and the text description are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0032] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0033] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0035] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product is used, or the orientation or position relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0036] Specifically, please refer to Figures 1-5As shown, in the present embodiment provides a cement clinker calcination kiln tail oxygen content control device, including: calcination kiln body 1, one side of calcination kiln body 1 is provided with filter box 2, the inner wall of filter box 2 is fixedly connected with L-shaped orifice plate 3, the upper side of L-shaped orifice plate 3 is equipped with filter bag 4, the inside of filter box 2 is provided with connecting plate 5, one side of filter box 2 is fixedly connected with mounting pipe 6, the inside of filter box 2 is provided with vibration mechanism 7, one end of mounting pipe 6 is equipped with air blower 8, the output end of air blower 8 is fixedly connected with adjusting shell 9, the inside of adjusting shell 9 is provided with adjusting mechanism 10, one side of adjusting shell 9 is fixedly connected with connecting elbow 11, the upper side of calcination kiln body 1 is provided with oxygen sensor 12.

[0037] By setting filter bag 4, when oxygen needs to be increased in calcination kiln body 1, under the action of air blower 8, external air is extracted, so that the external air enters filter box 2, is filtered by filter bag 4 and is transported into calcination kiln body 1, when the air circulates in mounting pipe 6, the fan blade 73 is driven to rotate, the fan blade 73 is driven to rotate the driving rod 72, the driving rod 72 is driven to rotate the arc-shaped extrusion block 74 to intermittently extrude the connecting plate 5, and the connecting plate 5 is vibrated by the reset spring 15 to vibrate and clean the filter bag 4, so that impurity dust is prevented from being transported into calcination kiln body 1, thereby ensuring the processing quality of cement products in calcination kiln body 1.

[0038] In order to enable the personnel in the technical field to better understand the present application scheme, the technical scheme in the present application embodiment will be described clearly and completely in combination with the drawings.

[0039] It should be noted that, in the case of no conflict, the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other.

[0040] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0041] Embodiment 1

[0042] Please refer to Figures 1-5The utility model provides a cement clinker calcining kiln tail oxygen content control device, include: calcining kiln body 1, the one side of calcining kiln body 1 is provided with filter box 2, the inner wall of filter box 2 is fixedly connected with L shape orifice plate 3, the upper side of L shape orifice plate 3 is equipped with filter bag 4, the inside of filter box 2 is provided with connecting plate 5, the one side of filter box 2 is fixedly connected with installation pipe 6, the inside of filter box 2 is provided with vibrating mechanism 7, the one end of installation pipe 6 is equipped with air blower 8, the output of air blower 8 is fixedly connected with adjusting shell 9, the inside of adjusting shell 9 is provided with adjusting mechanism 10, the one side of adjusting shell 9 is fixedly connected with connecting elbow 11, the upper side of calcining kiln body 1 is provided with oxygen sensor 12. The upper end of filter bag 4 is fixedly connected with the lower side of connecting plate 5, and one end of connecting elbow 11 is fixedly connected with the upper side of calcining kiln body 1. The two sides of the inner wall of filter box 2 are fixedly connected with guide plates 16, one side of filter box 2 is fixedly connected with air inlet pipe 17, and the front side of filter box 2 is provided with cleaning door 18. Air flow meter 19 is arranged on connecting elbow 11.

[0043] Implementation process: the oxygen content in the cement clinker forging kiln tail is detected by the oxygen sensor 12, when the oxygen content is high, the fuel supply needs to be adjusted to avoid heat loss, when the oxygen content is low, the air flow in the kiln tail needs to be increased, under the action of the air blower 8, the external air is extracted, the external air enters the filter box 2 through the air inlet pipe 17, is filtered from the filter bag 4 under the guidance of the L shape orifice plate 3 and is transported into the connecting elbow 11 and then into the calcining kiln body 1, the air injection amount can be controlled according to the air flow meter 19 to improve the combustion effect of the fuel.

[0044] The implementation benefits: the oxygen content in the calcining kiln body 1 can be conveniently adjusted and controlled to avoid heat loss and improve the utilization rate of fuel.

[0045] Example 2

[0046] The vibrating mechanism 7 includes a support frame 71 fixedly connected to the inner wall of the installation pipe 6, a drive rod 72 rotatably connected to one side of the support frame 71, a fan blade 73 fixedly connected to one end of the drive rod 72, and an arc-shaped extrusion block 74 arranged on the drive rod 72. The fan blade 73 is rotatably connected to the inner wall of the installation pipe 6, one end of the drive rod 72 is rotatably connected to one side of the inner wall of the filter box 2, and the arc-shaped extrusion block 74 cooperates with the connecting plate 5. Two reset springs 15 are fixedly connected to the two sides of the connecting plate 5, one end of each of the two reset springs 15 is fixedly connected to one side of the L shape orifice plate 3, and one end of each of the other two reset springs 15 is fixedly connected to one side of the inner wall of the filter box 2.

[0047] The implementation process is as follows: when the air blower 8 is started, external air is extracted, and when the air passes through the installation pipe 6, the fan blade 73 is driven to rotate, the fan blade 73 drives the driving rod 72 to rotate, the driving rod 72 drives the arc-shaped extrusion block 74 to rotate, and the arc-shaped extrusion block 74 intermittently extrudes the connecting plate 5 when rotating, so that the connecting plate 5 vibrates, thereby causing the filter bag 4 to vibrate, so that the dust and impurities adhered to the inner wall of the filter bag 4 are separated from the filter bag 4, thereby ensuring the flow efficiency of the air.

[0048] The implementation benefit is that the air entering the calcining kiln body 1 is filtered, and the impurities in the air are prevented from affecting the quality of the products produced in the calcining kiln.

[0049] Embodiment 3

[0050] The adjusting mechanism 10 comprises a gas permeable plate 101 fixedly connected to the inner wall of the adjusting shell 9, a rotating shaft 102 rotatably connected to one side of the gas permeable plate 101, a half-moon baffle 103 rotatably connected to the rotating shaft 102, a worm 104 rotatably connected to the inner wall of the adjusting shell 9, a worm wheel 105 fixedly connected to one end of the rotating shaft 102, and a knob 106 fixedly connected to the upper end of the worm 104. The worm wheel 105 is engaged with the worm 104, and the worm 104 is engaged with the gas permeable plate 101. One side of the gas permeable plate 101 is provided with an annular groove 13, and one side of the half-moon baffle 103 is fixedly connected with an arc-shaped guide block 14 matched with the annular groove 13.

[0051] The implementation process is as follows: when the combustion demand in the kiln tail is required, the knob 106 is rotated, the rotating shaft 102 drives the half-moon baffle 103 to rotate through the transmission of the worm 104 and the worm wheel 105, thereby opening or blocking the air holes on the gas permeable plate 101, controlling the flow rate of the air, and matching with the air flow meter 19, so that the oxygen can be uniformly and continuously supplied to the kiln tail.

[0052] The implementation benefit is that the position of the half-moon baffle 103 is adjusted to control the flow rate of the air, so that the air can be uniformly supplied to the calcining kiln body 1, and the oxygenation effect is improved.

[0053] The above embodiments are only used to illustrate the present application and are not limited to the technical solutions described in the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments, and any modification or equivalent replacement of the present application; all technical solutions and improvements within the spirit and scope of the application are included in the scope of the claims of the present application.

Claims

1. A device for controlling oxygen content in the kiln tail of a cement clinker calciner, characterized in that, The utility model relates to a calcining kiln body (1) is provided with filter box (2) on one side, the inner wall of filter box (2) is fixedly connected with L shape orifice plate (3), the upper side of L shape orifice plate (3) is equipped with filter bag (4), the inside of filter box (2) is provided with connecting plate (5), one side of filter box (2) is fixedly connected with installation pipe (6), the inside of filter box (2) is provided with vibrating mechanism (7), one end of installation pipe (6) is equipped with air blower (8), the output of air blower (8) is fixedly connected with adjusting shell (9), the inside of adjusting shell (9) is provided with adjusting mechanism (10), one side of adjusting shell (9) is fixedly connected with connecting elbow (11), the upper side of calcining kiln body (1) is provided with oxygen sensor (12). The upper end of the filter bag (4) is fixedly connected with the lower side of the connecting plate (5), and one end of the connecting elbow (11) is fixedly connected with the upper side of the calcining kiln body (1).

2. A device for controlling the oxygen content in the kiln tail of a cement clinker calciner according to claim 1, characterized in that, The vibrating mechanism (7) comprises a support frame (71) fixedly connected to the inner wall of the installation pipe (6), one side of the support frame (71) is rotatably connected with a drive rod (72), one end of the drive rod (72) is fixedly connected with a fan blade (73), and an arc extrusion block (74) is arranged on the drive rod (72).

3. A device for controlling oxygen content in the kiln tail of a cement clinker calciner according to claim 1, characterized in that, The fan blade (73) is rotatably connected to the inner wall of the installation pipe (6), one end of the drive rod (72) is rotatably connected to one side of the inner wall of the filter box (2), and the arc extrusion block (74) is connected to the connecting plate (5).

4. A device for controlling the oxygen content in the kiln discharge of a cement clinker calcining kiln according to claim 3, characterized in that The adjusting mechanism (10) comprises a breathable plate (101) fixedly connected to the inner wall of the adjusting shell (9), one side of the breathable plate (101) is rotatably connected with a rotating shaft (102), the rotating shaft (102) is rotatably connected with a half-moon baffle (103), the inner wall of the adjusting shell (9) is rotatably connected with a worm (104), one end of the rotating shaft (102) is fixedly connected with a worm wheel (105), and the upper end of the worm (104) is fixedly connected with a knob (106).

5. A device for controlling oxygen content in the kiln tail of a cement clinker calciner according to claim 1, characterized in that, The worm wheel (105) is engaged with the worm (104), and the worm (104) is connected to the breathable plate (101).

6. A device for controlling the oxygen content in the kiln discharge of a cement clinker calcining kiln according to claim 5, characterized in that One side of the breathable plate (101) is provided with a ring groove (13), and one side of the half-moon baffle (103) is fixedly connected with an arc guide block (14) matched with the ring groove (13).

7. A device for controlling the oxygen content in the kiln discharge of a cement clinker calcining kiln according to claim 5, characterized in that, The connecting plate (5) is fixedly connected with two reset springs (15) on both sides, one end of the two reset springs (15) is fixedly connected with one side of the L-shaped orifice plate (3), and one end of the other two reset springs (15) is fixedly connected with one side of the inner wall of the filter box (2).

8. A device for controlling oxygen content in the kiln tail of a cement clinker calciner according to claim 1, characterized in that, The inner wall of the filter box (2) is fixedly connected with a guide plate (16) on both sides, one side of the filter box (2) is fixedly connected with an air inlet pipe (17), and the front side of the filter box (2) is provided with a cleaning door (18).

9. A device for controlling oxygen content in the kiln tail of a cement clinker calciner according to claim 1, characterized in that, The connecting elbow (11) is provided with an air flow meter (19).

10. A device for controlling oxygen content in the kiln tail of a cement clinker calciner according to claim 1, characterized in that, ​

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