Brick cleaning device for rotary kiln

Abstract

The utility model discloses a rotary kiln brick cleaning device which comprises a chute tube, a spray pipe and at least one spray head, the upper section of the chute tube is of a trumpet-shaped structure, the at least one spray head is arranged on the upper section of the chute tube in the circumferential direction, the water spray end of the spray head is arranged inwards so that the spray head can spray water into the chute tube, and the spray pipe is arranged on the outer wall of the upper section of the chute tube. At least one branch pipe is arranged on the spray pipe, each branch pipe is connected with a spray head, and an upper section port of the chute barrel can be installed under an operation port of a kiln body of the rotary kiln. The chute tube is arranged under the operation opening of the kiln body, refractory bricks and the like can be thrown to the horn mouth of the upper section of the chute tube and then slide to a ground stacking point or a truck carriage through the channel in the lower section of the chute tube, and the brick cleaning operation of the kiln body is completed. At least one spray head is arranged on the upper section of the chute barrel in the circumferential direction, water is sprayed into the chute barrel, and the dustproof effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln brick cleaning device. Background Art

[0002] The cement rotary kiln is the main equipment for cement production. For example, the Chinese patent document "Cement Rotary Kiln, Publication No. CN201034411Y" discloses a cement rotary kiln, which is horizontal and has an overall tilted arrangement with the left side high and the right side low; the feed port is arranged at the left end of the kiln shell, and the discharge port is arranged at the right end of the kiln shell; multiple roller seats are evenly arranged on the lower side of the kiln shell, and multiple rollers are arranged on each roller seat, and the multiple roller seats support the cement rotary kiln through the rollers; the rotary power device includes an outer gear ring, an outer gear and a reduction motor, the outer gear ring is sleeved on the outer surface of the kiln shell and meshes with the outer gear, and the outer gear is connected to the output end of the reduction motor; the coal injection combustion-supporting device is arranged at the right end of the cement rotary kiln. Generally, the rotary kiln is not provided with a cleaning channel, which makes it difficult to clean the refractory bricks of the kiln body, and the refractory bricks and the like fall into the discharge port of the kiln tail section, which will cause blockage. Utility Model Content

[0003] The utility model aims to provide a rotary kiln brick cleaning device in view of the above problems, wherein a chute is arranged just below the operating port of the kiln body, and the refractory bricks slide down through the inner channel of the lower section of the chute to a ground accumulation point or a truck compartment to complete the kiln body brick cleaning operation.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is:

[0005] A rotary kiln brick cleaning device comprises a chute, a spray pipe and at least one spray head. The upper section of the chute is a trumpet-shaped structure. At least one spray head is circumferentially arranged on the upper section of the chute. The water spray end of the spray head is arranged inwardly so that it can spray water into the chute. The spray pipe is arranged on the outer wall of the upper section of the chute. At least one branch pipe is arranged on the spray pipe, and each branch pipe is connected to a spray head. The upper section port of the chute can be installed directly below the operating port of the kiln body of the rotary kiln.

[0006] The rotary kiln body is provided with an operation port, specifically as follows: it also includes a cover and a connection kit, the kiln body is provided with an operation port, the cover is detachably connected to the operation port of the kiln body through the connection kit, and the coverage of the cover is larger than the operation port. The connection kit includes a gusset plate and a locking rod, two gusset plates are arranged oppositely on the axial sides or circumferential sides of the operation port, two opposite bayonet ports are provided on the axial sides or circumferential sides of the cover, the bayonet port width is matched with the gusset plate width, the two gusset plates are respectively inserted into the two bayonet ports, and the gusset plates protrude from the outer wall of the cover, the two ends of the gusset plates are respectively provided with locking holes, the two locking rods are respectively inserted into the locking holes on the same side of the two gusset plates, and the locking rods are pressed on the outer wall of the cover.

[0007] The upper section of the chute is provided with at least one spray hole, and the nozzle is arranged in the spray hole. On the other hand, in order to realize water supply, it also includes a water inlet pipe connected to the external water supply, and the spray pipe is connected to the water inlet pipe. The lower section of the chute is fixedly installed on the brick cleaning stand, and the upper section port of the chute is 50cm-150cm away from the kiln body, and the lower section port of the chute is 150cm-300cm away from the ground.

[0008] As mentioned above, an operation port is opened on the kiln body, and a cover can be removed and installed so that the cover can be opened to enter the kiln body for maintenance and cleaning of refractory bricks when the machine is shut down. A chute is arranged directly below the operation port of the kiln body, and refractory bricks can be thrown into the bell mouth of the upper section of the chute, and then slide down through the channel in the lower section of the chute to the ground accumulation point or the truck compartment to complete the kiln body brick cleaning operation. At least one nozzle is arranged along the circumference of the upper section of the chute, and a pair of water spray operations are performed in the chute to prevent dust.

[0009] Based on the above scheme, in an improved scheme, the brick cleaning device has at least one spray hole distributed in a ring array, and the spray heads are evenly distributed along the circumference, so that water can be sprayed evenly inward.

[0010] Based on the above scheme, in an improved scheme, the water spraying end of the nozzle of the brick cleaning device is sunken into the inner wall surface of the outlet chute to prevent it from being hit by refractory bricks or the like.

[0011] Based on the above scheme, in an improved scheme, the brick cleaning device has a regulating valve arranged on the water inlet pipe, which can play the role of switching and regulating the flow rate, so that it can be used immediately and the flow rate can be adjusted according to the amount of refractory bricks.

[0012] Based on the above scheme, in an improved scheme, the brick cleaning device connection kit also includes an axle pin, and pin holes are respectively opened at both ends of the locking rod. The pin holes of the two locking rods are respectively inserted with axle pins to clamp the locking rods to prevent them from withdrawing.

[0013] Based on the above solution, in an improved solution, the brick cleaning device also includes handles, and two handles are arranged opposite to each other on the axial sides or circumferential sides of the outer wall surface of the cover to facilitate holding the cover.

[0014] Based on the above scheme, in an improved scheme, the brick cleaning device also includes an inner partition layer, which is arranged in the middle of the inner wall surface of the cover. The width of the inner partition layer is adapted to the operation port, and the radial stacking structure of the inner partition layer is the same as that of the kiln body, ensuring that the environment inside the kiln body is not affected.

[0015] Based on the above scheme, in an improved scheme, the brick cleaning device also includes a brick cleaning stand (secondary inspection stand), which is formed by extending outward from the main inspection stand of the rotary kiln, and the brick cleaning stand extends to just below the operating port of the kiln body; wherein the structure of the brick cleaning stand is the same as that of the main inspection stand. In this way, it serves as a support frame, so as to serve as a pad to support the ladder and fix the chute.

[0016] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0017] The utility model discloses a rotary kiln brick cleaning device, which has an operation port on the kiln body and a detachable cover so that the operation port is closed during operation and the cover is opened to enter the kiln body for maintenance and cleaning of refractory bricks when the machine is stopped. A chute is arranged directly below the operation port of the kiln body, and refractory bricks can be thrown into the trumpet mouth of the upper section of the chute, and then slide down through the channel in the lower section of the chute to the accumulation point on the ground or the compartment of a truck to complete the kiln body brick cleaning operation. At least one nozzle is arranged along the circumferential direction of the upper section of the chute, and a pair of water spray operations are performed in the chute to prevent dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of Example 1 of the brick cleaning device of the present utility model.

[0019] Figure 2 yes Figure 1 Schematic diagram of the local axial cross-section structure.

[0020] Figure 3 yes Figure 1 Schematic diagram of the structure of the cover and connection kit example.

[0021] Figure 4 yes Figure 3 Another perspective structural diagram of .

[0022] Figure 5 yes Figure 1 Schematic diagram of the brick cleaning platform from top view.

[0023] Figure 6 yes Figure 1 Schematic diagram of the nozzle and nozzle structure.

[0024] Figure 7 yes Figure 6 Another perspective structural diagram of .

[0025] Figure 8 yes Figure 1 Schematic diagram of the chute structure.

[0026] Fig. 9 yes Figure 8 Another perspective structural diagram of .

[0027] In the attached drawings, 1. kiln body, 11. cover, 12. handle, 13. buckle plate, 14. locking rod, 2. main inspection stand, 3. brick cleaning stand, 4. brick cleaning assembly. DETAILED DESCRIPTION

[0028] Example 1

[0029] See also Figure 1-Figure 9A rotary kiln brick cleaning device of the present embodiment 1 includes a kiln body 1 of a rotary kiln; it also includes a chute 41 and a nozzle 42, and at least one nozzle 422. The upper section of the chute 41 is a trumpet-shaped structure, and at least one nozzle 422 is arranged circumferentially at the upper section of the chute 41. The water spraying end of the nozzle 422 is arranged inward so that it can spray water into the chute. The nozzle 42 is arranged on the outer wall of the upper section of the chute 41. At least one branch pipe 421 is arranged on the nozzle 42, and each branch pipe 421 is connected to a nozzle 422. The upper section port of the chute 41 can be installed directly below the operating port of the kiln body 1 of the rotary kiln.

[0030] The rotary kiln body is provided with an operating port, specifically as follows: it also includes a cover 11 and a connection kit. The kiln body 1 is provided with an operating port, and the cover 11 is detachably connected to the operating port of the kiln body 1 through the connection kit, and the coverage area of ​​the cover 11 is larger than the operating port.

[0031] Among them, the rotary kiln includes a kiln body, a kiln tail, etc., which is an existing equipment. The present application is to improve the existing rotary kiln body, and the specific features of the rotary kiln will not be described one by one here.

[0032] The operation port can be designed along the outer wall of the kiln body in the shape of a quadrilateral cylinder, with the edges marked in the axial and circumferential directions and the operation port designed, and arcs are made at the four corners of the vessel. The operation port can also be designed in the shape of an orthographic projection, which can be a circle, an ellipse, a runway with two parallel sides, a rectangle or a rounded rectangle, etc., and the operation port is defined and designed by projecting this shape onto the kiln body.

[0033] The cover 11 can be in a planar shape, with a protruding frame arranged around the edge of the operation port, protruding from the outer wall of the kiln body by a certain distance, such as 20 cm, and a flange arranged at the outer end of the protruding frame, and then the cover is installed on the flange, and the overlap area of ​​the cover and the flange forms an overlap area. The cover 11 can also be in a cylindrical shape that fits the outer wall of the kiln body, the shape of the cover is adapted to the operation port, and the cover coverage area is larger than the operation port, and the radial width difference is such as 20 cm, 30 cm, 40 cm, etc., to form a closed ring overlap area, and this application is explained by taking this as an example.

[0034] The connection kit includes a gusset plate 13 and a locking rod 14. The two gusset plates 13 are arranged opposite to each other on the axial sides or circumferential sides of the operation port (as shown in the figure, the circumferential sides are used as an example, and other components are arranged accordingly). The axial sides or circumferential sides of the cover 11 are provided with two opposite bayonet holes 111. The width of the bayonet holes 111 matches the width of the gusset plates 13. The two gusset plates 13 are respectively inserted into the two bayonet holes 111, and the gusset plates 13 protrude from the outer wall of the cover 11. The two ends of the gusset plates 13 are respectively provided with locking holes 131. The two locking rods 14 are respectively inserted into the locking holes 131 on the same side of the two gusset plates, and the locking rods 14 are pressed on the outer wall of the cover 11. In this way, a detachable connection can be achieved.

[0035] The cross section of the lower section of the chute 41 is in the shape of a circular ring or an elliptical ring, and the upper and lower sides thereof are of the same size, or gradually shrink, that is, the upper side is larger than the lower side.

[0036] The nozzle can be installed at the port of the upper section of the chute, spraying water inward at an angle of 0-10 degrees to the horizontal; it can also be arranged at a certain distance from the port, as shown in the figure, for example, 10cm or 20cm away from the port, and adjusting the angle can effectively reduce water splashing. The upper section of the chute 41 is arranged with at least one spray hole 413, and the nozzle 422 is arranged in the spray hole 413. The nozzle and the nozzle are both existing technologies. As shown in the figure, a small hole is opened on the plug to form a nozzle. The chute can be fixed by a special column. In this case, a Z-shaped column is used to stagger the outflow stacking and brick transportation space, one end of which is fixed to the ground and the other end is welded or bolted to the middle of the chute; as described below, the lower section of the chute 41 is arranged with a support plate 411, and the support plate is provided with a support hole 412. The brick cleaning stand is provided with a through hole 31 and a frame hole 32. The chute is inserted into the through hole, and bolts are used to match the support hole and the frame hole bolts to make it fixedly installed on the brick cleaning stand. In order to leave a passage for people to enter and exit, the upper end of the chute is 50cm-150cm away from the kiln body, for example 100cm; in order to leave space for loading and stacking, the lower end of the chute is 150cm-300cm away from the ground, for example 200cm.

[0037] On the other hand, in order to realize water supply, a water inlet pipe 43 connected to external water supply is further included, the spray pipe 42 is connected to the water inlet pipe 43, and the water inlet pipe 43 is connected to a water supply pump or a tap water pipe.

[0038] As mentioned above, an operation port is opened on the kiln body, and a cover can be removably installed so that the operation port can be closed during operation, and the cover can be opened to enter the kiln body for maintenance and cleaning of refractory bricks when the machine is shut down. A chute is arranged directly below the operation port of the kiln body, and refractory bricks can be thrown into the bell mouth of the upper section of the chute, and then slide down through the channel in the lower section of the chute to the ground accumulation point or the truck compartment to complete the kiln body brick cleaning operation. At least one nozzle is arranged along the circumference of the upper section of the chute, and a pair of water spray operations are carried out in the chute to prevent dust.

[0039] Example 2

[0040] Different from the aforementioned embodiment 1, this embodiment 2 defines another detachable connection structure, which is detailed as follows. For other unexplained details, please refer to the aforementioned embodiment 1.

[0041] In the brick cleaning device of the second embodiment, the connection kit includes screws and nuts, at least 4 screws are evenly arranged around the operation port, at least 4 screw holes are provided on the cover, the outer diameter of the screws is adapted to the screw holes and used in conjunction with each other, at least 4 screws are respectively inserted into the at least 4 screw holes, and the screws protrude from the outer wall of the cover, and the nuts are threadedly connected to the screws and pressed on the outer wall of the cover, so as to achieve a detachable connection.

[0042] Example 3

[0043] Based on the aforementioned embodiment 1 or 2, this embodiment 3 defines a locking rod fixing structure, which is specifically as follows. For other unexplained details, please refer to the aforementioned embodiments 1-2.

[0044] See also Figure 1-Figure 9 The connection kit of the brick cleaning device of the present embodiment 3 also includes an axle pin, and pin holes 141 are respectively opened at both ends of the locking rod 14. The pin holes of the two locking rods 14 are respectively inserted with axle pins to clamp the locking rods to prevent them from withdrawing.

[0045] Example 4

[0046] Based on any one of the aforementioned embodiments 1-3, this embodiment 4 has a dispersed negative pressure adsorption structure, which is specifically as follows. For other unexplained details, please refer to the aforementioned embodiments 1-3.

[0047] See also Figure 1-Figure 9 The brick cleaning device of the present embodiment 4 further comprises handles 12, and two handles 12 are arranged opposite to each other on the axial sides or circumferential sides of the outer wall surface of the cover, as shown in the figure, taking the circumferential sides as an example, so as to facilitate holding the cover.

[0048] Example 5

[0049] Based on any of the aforementioned embodiments 1-4, this embodiment 5 defines the maintenance and support channel structure, which is as follows. For other unexplained details, please refer to the aforementioned embodiments 1-4.

[0050] See also Figure 1-Figure 9 The brick cleaning device of the present embodiment 5 also includes a secondary inspection stand 3, which is formed by extending the main inspection stand 2 of the rotary kiln outward, and the secondary inspection stand 3 extends to the bottom of the operation port of the kiln body 1. The existing rotary kiln is arranged with a main inspection stand, including a pipe column 21, a frame plate 22 and a fence 23, which are connected by welding or bolts, and will not be described one by one here. The secondary inspection stand has the same structure as the main inspection stand. Simply put, a section of the main inspection stand is cut off and arranged as a secondary inspection stand.

[0051] In this way, the auxiliary inspection platform can be used as a support frame to support the erection of a ladder so that maintenance personnel can climb up to operate, and as a brick clearing and transportation channel so that carts can be used to load and transport bricks back and forth.

[0052] Example 6

[0053] Based on any one of the aforementioned embodiments 1-5, this embodiment 6 defines the inner layer structure of the cover, which is as follows. For other unexplained details, please refer to the aforementioned embodiments 1-5.

[0054] See also Figure 1-Figure 9 The brick cleaning device of the embodiment 5 also includes an inner partition 110. The inner partition 110 is arranged in the middle of the inner wall surface of the cover 11. The width of the inner partition 110 is adapted to the operation port so as to protrude into the operation port. The radial stacking structure of the inner partition is the same as that of the kiln body to ensure that the environment inside the kiln body is not affected.

[0055] In a preferred improved example, a sealing gasket can also be arranged in the overlapping area. The closed annular sealing gasket is bonded or bolted to the cover, which is close to the side of the inner compartment layer, with a thickness of 2cm or 3cm and a width of 3cm or 5cm, so that it has a better sealing effect.

[0056] Example 7

[0057] Based on any of the aforementioned embodiments 1-6, this embodiment 7 defines the nozzle distribution structure, which is specifically as follows. For other unexplained details, please refer to the aforementioned embodiments 1-6.

[0058] See also Figure 1-Figure 9 In the brick cleaning device of the present embodiment 7, at least one spray hole 413 is distributed in a ring array, and the spray heads are evenly distributed along the circumference, so that water can be sprayed evenly inward.

[0059] Example 8

[0060] Based on any one of the aforementioned embodiments 1-7, this embodiment 8 defines the nozzle distribution structure, which is specifically as follows. For other unexplained details, please refer to the aforementioned embodiments 1-7.

[0061] See also Figure 1-Figure 9 In the brick cleaning device of the present embodiment 8, the water spraying end of the nozzle 422 is sunken into the inner wall surface of the outlet chute to avoid protruding deep into the chute to prevent being hit by refractory bricks.

[0062] Example 9

[0063] Based on any one of the aforementioned embodiments 1-8, this embodiment 9 defines the nozzle distribution structure, which is specifically as follows. For other unexplained details, please refer to the aforementioned embodiments 1-8.

[0064] See also Figure 1-Figure 9 In the brick cleaning device of the present embodiment 9, a regulating valve 44 is arranged on the water inlet pipe 43, which can play the role of switching and regulating the flow rate, so that it can be used immediately and the flow rate can be adjusted according to the amount of refractory bricks.

[0065] It should be pointed out that the examples of the above-mentioned embodiments can be preferably combined with one or more of them according to actual needs, and multiple examples use a set of drawings to illustrate the combined technical features, which will not be described one by one here.

[0066] It should be noted that the orientation or position relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation.

[0067] The above description is a detailed description and illustration of the preferred feasible embodiments of the utility model, but these descriptions are not intended to limit the scope of protection required by the utility model. All equivalent changes or modified changes completed under the technical teachings suggested by the utility model should fall within the scope of patent protection covered by the utility model.

Claims

1. A rotary kiln brick cleaning device, characterized in that: It includes a chute and at least one nozzle and a nozzle pipe. The upper section of the chute is a trumpet-shaped structure. The at least one nozzle is circumferentially arranged on the upper section of the chute. The water spraying end of the nozzle is arranged inward so that it can spray water into the chute. The nozzle pipe is arranged on the outer wall of the upper section of the chute. At least one branch pipe is arranged on the nozzle pipe, and each branch pipe is connected to a nozzle. The upper section port of the chute can be installed directly below the operating port of the kiln body of the rotary kiln.

2. A rotary kiln brick cleaning device according to claim 1, characterized in that: The upper section of the chute is provided with at least one spray hole, which is distributed in a circular array, and a nozzle is arranged in the spray hole; wherein the water spray end of the nozzle is sunken into the inner wall surface of the outlet chute.

3. A rotary kiln brick cleaning device according to claim 1, characterized in that: It also includes a water inlet pipe connected to an external water supply, and the spray pipe is connected to the water inlet pipe; wherein a regulating valve is arranged on the water inlet pipe.

4. A rotary kiln brick cleaning device according to claim 1, characterized in that: It also includes a sealing cover and a connecting kit. An operating port is opened on the kiln body, and the sealing cover is detachably connected to the operating port of the kiln body through the connecting kit.

5. A rotary kiln brick cleaning device according to claim 4, characterized in that: The connection kit includes a gusset plate and a locking rod. The two gusset plates are arranged opposite to each other on the axial sides or circumferential sides of the operation port. The axial sides or circumferential sides of the cover are provided with two opposite bayonet slots. The bayonet slot width is matched with the gusset plate width. The two gusset plates are respectively inserted into the two bayonet slots, and the gusset plates protrude from the outer wall of the cover. Locking holes are respectively opened at both ends of the gusset plates. The two locking rods are respectively inserted into the locking holes of the two gusset plates on the same side, and the locking rods are pressed on the outer wall of the cover.

6. A rotary kiln brick cleaning device according to claim 5, characterized in that: The connection kit also includes an axle pin, and pin holes are respectively opened at both ends of the lock rod, and the pin holes of the two lock rods are respectively inserted with the axle pins.

7. The rotary kiln brick cleaning device according to claim 4, characterized in that: The connection kit includes screws and nuts, at least four screws are evenly arranged around the operating port, at least four screw holes are provided on the cover, the outer diameter of the screws is adapted to the screw holes and used in combination, at least four screws are respectively inserted into the at least four screw holes, and the screws protrude from the outer wall of the cover, and the nuts are threadedly connected to the screws and pressed on the outer wall of the cover.

8. The rotary kiln brick cleaning device according to claim 4, characterized in that: It also includes handles, and two handles are arranged opposite to each other on the axial sides or circumferential sides of the outer wall surface of the cover.

9. A rotary kiln brick cleaning device according to claim 4, characterized in that: It also includes an inner partition layer. The inner wall surface of the cover is provided with the inner partition layer, and the radial laminated structure of the inner partition layer is the same as that of the kiln body.

10. A rotary kiln brick cleaning device according to claim 1, characterized in that: It also includes a brick cleaning stand, which is extended outward from the main inspection stand of the rotary kiln, and the brick cleaning stand extends to just below the operating port of the kiln body; wherein, the structure of the brick cleaning stand is the same as that of the main inspection stand; wherein, the lower section of the chute is fixedly installed on the brick cleaning stand, the upper section port of the chute is 50cm-150cm away from the kiln body, and the lower section port of the chute is 150cm-300cm away from the ground.

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