Preheating utilization device of rotary kiln

Abstract

The utility model discloses a rotary kiln preheating utilization device which comprises a bottom frame, a rotary kiln boiler, a smoke inlet pipe and a recovery device, the recovery device is arranged, a strong magnet and an electromagnetic block are controlled to generate a magnetic attraction effect, so that the position change of a smoke baffle on the inner side of a movable groove and the inner side of a containing groove is changed, and the reset of the smoke baffle is adjusted through a spring. When smoke enters the two sets of filtering mechanisms along the smoke inlet pipe to be filtered, finally, the filtered smoke is recycled through the smoke exhaust pipe, the filtering mechanisms are arranged, and the smoke is horizontally aligned to the inner side of the containing groove through a drawing baffle; and the flue gas entering the placing groove is filtered through a first filter plate, a second filter plate and a third filter plate.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kiln heat energy utilization, in particular to a rotary kiln preheating utilization device. Background Art

[0002] Rotary kiln is widely used in metallurgy, chemical industry, building refractory materials, sanitation and other industries. Rotary kiln consists of cylinder, supporting device, bearing device with retaining wheel, transmission device, movable kiln head, kiln tail sealing device, coal injection pipe device and other components. If the heat energy on the surface of kiln is directly used to preheat the materials for production, it will greatly reduce the coal used for production and further reduce the production cost.

[0003] For example, the publication number CN201020180795.6 discloses a "rotary kiln waste heat utilization device", which sets a cavity on the outside of the rotary kiln body and cooperates with a lifting plate on the outside of the rotary kiln body. The powdered material is made to flow through the cavity, so that the powdered material is directly preheated, thereby improving the overall energy-saving effect of the production line.

[0004] The waste heat recovery device of a general rotary kiln is relatively simple. During the recovery process, there will be dust in the hot air, so it cannot be used directly, and it is easy to cause a lot of heat waste during the transfer process. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a rotary kiln preheating and utilization device to solve the above-mentioned problems.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a rotary kiln preheating and utilization device, including a base frame, a rotary kiln boiler, a smoke inlet pipe and a recovery device, the base frame is installed on the lower side of the front and rear ends of the rotary kiln boiler, the middle of the rear end of the rotary kiln boiler is connected to the smoke inlet pipe, the recovery device is installed on the outer side of the middle part of the rotary kiln boiler and is connected to the middle of the top of the rotary kiln boiler, the recovery device includes a recovery cover body, a smoke inlet, a strong magnet, an electromagnetic block, a smoke baffle, a movable groove, a spring, a storage groove, a filtering mechanism, a smoke inlet pipe and a smoke exhaust pipe, a smoke inlet is opened on the upper side of the middle part of the recovery cover body, a strong magnet is installed on the upper right side of the middle part of the recovery cover body, and the smoke An electromagnetic block is installed in the middle of the right end of the baffle, and the right end of the smoke baffle is slidably matched with the inner side of the middle part of the movable groove, and a spring is installed on the right side of the inside of the movable groove. The right side of the middle part of the smoke baffle is elastically matched with the inner side of the movable groove through the spring, and a storage groove is opened on the left side of the inside of the movable groove. The filtering mechanism is installed on the left side of the inside of the recovery cover body, the upper end of the smoke inlet is connected to the middle part of the smoke inlet pipe, the lower side of the left end of the smoke inlet pipe and the upper side of the left end of the smoke exhaust pipe are respectively connected to the upper and lower sides of the middle part of the filtering mechanism, and the smoke exhaust pipe is arranged at the inner bottom of the recovery cover body, and the recovery cover body is installed on the outer side of the middle part of the rotary kiln boiler, and the smoke inlet is connected to the middle of the top of the rotary kiln boiler.

[0009] Preferably, the filtering mechanism includes a placement slot, a limiting slot, a pull-out baffle, a first filter plate, a second filter plate and a third filter plate. A limiting slot is opened on the inner right side of the placement slot. The pull-out baffle is connected to the left end of the placement slot. The right end of the pull-out baffle is respectively installed with the first filter plate, the second filter plate and the third filter plate. The right end of the first filter plate is engaged with the inner side of the left end of the limiting slot. The placement slot is installed on the left side of the inside of the recovery cover body, and the lower left end of the smoke inlet pipe and the upper left end of the smoke exhaust pipe are respectively connected to the upper and lower sides of the middle of the placement slot.

[0010] Preferably, the recovery cover body is arranged in an annular shape, and a circular notch is provided on the inner side of the middle part of the recovery cover body, and the size of the notch is consistent with the size of the outer side of the middle part of the rotary kiln boiler.

[0011] Preferably, a group of sliding grooves are respectively arranged at the upper and lower ends of the right side of the movable groove, and a group of springs are respectively arranged inside the two groups of sliding grooves.

[0012] Preferably, a smoke barrier is provided on the right side of the lower end of the smoke baffle, the cross section of the smoke baffle is cross-shaped, and the inner width of the storage groove matches the width of the left end of the smoke baffle.

[0013] Preferably, three groups of limiting slots are vertically arranged on the right side of the inner side of the placement slot, and the three groups of limiting slots are respectively arranged corresponding to the right ends of the first filter plate, the second filter plate and the third filter plate.

[0014] Preferably, the middle parts of the upper and lower ends of the placement groove are respectively arranged perpendicular to the lower side of the left end of the smoke inlet pipe and the upper side of the left end of the smoke exhaust pipe.

[0015] Preferably, the smoke baffle is made of alloy steel and has good toughness.

[0016] Preferably, the smoke exhaust pipe is made of stainless steel, which has good corrosion resistance and sealing properties.

[0017] (III) Beneficial effects

[0018] The utility model provides a rotary kiln preheating utilization device. It has the following beneficial effects: by setting a recovery device, by controlling the magnetic attraction effect of the strong magnet and the electromagnetic block, the position of the smoke damper in the movable groove and the inner side of the storage groove is changed, and the reset of the smoke damper is adjusted by the spring. When the smoke enters the two groups of filter mechanisms along the smoke inlet pipe for filtering treatment, the filtered smoke is finally recovered through the smoke exhaust pipe.

[0019] The utility model provides a rotary kiln preheating utilization device, which has the following beneficial effects: by setting a filtering mechanism, the baffle is pulled horizontally into the inner side of the placement tank, and the smoke entering the placement tank is filtered by the first filter plate, the second filter plate and the third filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a front view planar structure schematic diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the recovery device of the utility model;

[0023] Figure 4 It is a right-side plan view of the structure of the recovery device of the utility model;

[0024] Figure 5 It is a right side plan view of the filter mechanism of the utility model.

[0025] In the figure: base frame -1, rotary kiln boiler -2, smoke inlet pipe -3, recovery device -4, recovery cover body -41, smoke inlet -42, strong magnet -43, electromagnetic block -44, smoke baffle -45, movable groove -46, spring -47, storage groove -48, filtering mechanism -49, smoke inlet pipe -410, smoke exhaust pipe -411, placement groove -491, limit card groove -492, pull-out baffle -493, first filter plate -494, second filter plate -495, third filter plate -496. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1 and 2 The utility model provides a technical solution of a rotary kiln preheating and utilization device: a rotary kiln preheating and utilization device, comprising a base frame 1, a rotary kiln boiler 2, a smoke inlet pipe 3 and a recovery device 4, the base frame 1 is installed on the lower sides of the front and rear ends of the rotary kiln boiler 2, the middle of the rear end of the rotary kiln boiler 2 is connected to the smoke inlet pipe 3, the recovery device 4 is installed on the outer side of the middle part of the rotary kiln boiler 2, and is connected to the middle of the top end of the rotary kiln boiler 2.

[0028] See also Figure 3 and 4The utility model provides a technical solution for a rotary kiln preheating and utilization device: a rotary kiln preheating and utilization device, the recovery device 4 includes a recovery cover body 41, a smoke inlet 42, a strong magnet 43, an electromagnetic block 44, a smoke baffle 45, a movable groove 46, a spring 47, a storage groove 48, a filtering mechanism 49, a smoke inlet pipe 410 and a smoke exhaust pipe 411, a smoke inlet 42 is provided on the upper middle side of the recovery cover body 41, a strong magnet 43 is installed on the upper right middle side of the recovery cover body 41, an electromagnetic block 44 is installed on the middle right end of the smoke baffle 45, the right end of the smoke baffle 45 is slidably matched with the inner middle side of the movable groove 46, a spring 47 is installed on the right inner side of the movable groove 46, the right middle side of the smoke baffle 45 is elastically matched with the inner side of the movable groove 46 through the spring 47, a storage groove 48 is provided on the left inner side of the movable groove 46, the filtering mechanism 49 is installed on the left inner side of the recovery cover body 41, the upper end of the smoke inlet 42 is slidably matched with the inner middle side of the movable groove 46, a spring 47 is installed on the right inner side of the movable groove 46, The middle part of the pipe 410 is connected, the lower left end of the smoke inlet pipe 410 and the upper left end of the smoke exhaust pipe 411 are respectively connected to the upper and lower sides of the middle part of the filtering mechanism 49, the smoke exhaust pipe 411 is arranged at the inner bottom of the recovery cover body 41, the recovery cover body 41 is installed on the middle outer side of the rotary kiln boiler 2, the smoke inlet 42 is connected to the middle of the top of the rotary kiln boiler 2, the recovery cover body 41 is arranged in an annular shape, and a circular notch is opened on the inner side of the middle part of the recovery cover body 41, the size of the notch is consistent with the size of the middle outer side of the rotary kiln boiler 2, a group of slide grooves are respectively arranged at the upper and lower ends of the right side of the movable groove 46, and a group of springs 47 are respectively arranged inside the two groups of slide grooves, a smoke partition plate is arranged on the right side of the lower end of the smoke baffle 45, the cross section of the smoke baffle 45 is arranged in a cross shape, the inner width of the storage groove 48 is consistent with the width of the left end of the smoke baffle 45, and the smoke baffle 45 is made of alloy steel with good toughness.

[0029] See also Figure 5The utility model provides a technical solution for a rotary kiln preheating and utilization device: a rotary kiln preheating and utilization device, wherein a filtering mechanism 49 comprises a placement slot 491, a limit slot 492, a pull-out baffle 493, a first filter plate 494, a second filter plate 495 and a third filter plate 496, a limit slot 492 is provided on the right side of the placement slot 491, a pull-out baffle 493 is connected to the left end of the placement slot 491, a first filter plate 494, a second filter plate 495 and a third filter plate 496 are respectively installed on the right end of the pull-out baffle 493, a right end of the first filter plate 494 is engaged with the inner side of the left end of the limit slot 492, and a placement slot 491 is provided with a limit slot 492 ... and a first filter plate 494, a second filter plate 495 and a third filter plate 496 are installed on the right end of the pull-out baffle 493, a first filter plate 494, a second filter plate 495 and a third filter plate 496 are installed on the right end of the pull-out baffle 493, a first filter plate 494, a second filter plate 495 and a third filter plate 496 are installed on the right end of the pull-out baffle 4 The placement groove 491 is installed on the left side inside the recovery cover body 41, and the lower left side of the smoke inlet pipe 410 and the upper left side of the smoke exhaust pipe 411 are respectively connected to the upper and lower sides of the middle part of the placement groove 491. Three groups of limiting card grooves 492 are vertically arranged on the right side inside the placement groove 491. The three groups of limiting card grooves 492 are respectively arranged corresponding to the right ends of the first filter plate 494, the second filter plate 495 and the third filter plate 496. The middle part of the upper and lower ends of the placement groove 491 is respectively perpendicular to the lower left side of the smoke inlet pipe 410 and the upper left side of the smoke exhaust pipe 411. The smoke exhaust pipe 411 is made of stainless steel and has good corrosion resistance and sealing.

[0030] When in use, the smoke is introduced into the interior of the rotary kiln boiler 2 along the smoke inlet pipe 3, and the internal smoke is processed by the rotary kiln boiler 2;

[0031] When it is necessary to recover the waste heat of the treated flue gas, the strong magnet 43 and the electromagnetic block 44 are controlled to produce a magnetic adsorption effect, thereby changing the sliding adjustment of the smoke damper 45 inside the movable groove 46 and the storage groove 48 and the change adjustment of the inner position. When the strong magnet 43 and the electromagnetic block 44 are fixed by magnetic attraction, the middle part of the smoke damper 45 slides with the inner right side of the movable groove 46 and squeezes the springs 47 in the upper and lower end slide grooves, thereby adjusting the reset of the smoke damper 45 through the spring 47, and a smoke isolation plate is provided on the lower right side of the smoke damper 45 to isolate the smoke entering the smoke inlet 42;

[0032] After the smoke passes through the smoke inlet 42 and enters the smoke inlet pipe 410, the smoke moves along the inside of the smoke inlet pipe 410 along the left and right sides to the inner side of the filter mechanism 49, and is horizontally inserted into the inner side of the placement groove 491 through the pull-out baffle 493, and the first filter plate 494, the second filter plate 495 and the third filter plate 496 are respectively installed corresponding to the three groups of limit card slots 492. After the smoke entering the placement groove 491 passes through the first filter plate 494, the second filter plate 495 and the third filter plate 496, the smoke is filtered by the first filter plate 494, the second filter plate 495 and the third filter plate 496. Finally, the filtered smoke is recycled through the smoke exhaust pipe 411, and the impurities retained on the first filter plate 494, the second filter plate 495 and the third filter plate 496 can be cleaned by removing the pull-out baffle 493.

[0033] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0034] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary kiln preheating and utilization device, comprising a base frame (1), a rotary kiln boiler (2) and a smoke inlet pipe (3), wherein the base frame (1) is installed at the lower sides of the front and rear ends of the rotary kiln boiler (2), and the middle part of the rear end of the rotary kiln boiler (2) is connected to the smoke inlet pipe (3); Features: The invention also comprises a recovery device (4), wherein the recovery device (4) is installed on the outer side of the middle part of the rotary kiln boiler (2) and is connected to the middle part of the top end of the rotary kiln boiler (2). The recovery device (4) comprises a recovery cover body (41), a smoke inlet (42), a strong magnet (43), an electromagnetic block (44), a smoke damper (45), a movable groove (46), a spring (47), a storage groove (48), a filtering mechanism (49), a smoke inlet pipe (410) and a smoke exhaust pipe (411). The middle upper side of the recovery cover body (41) is provided with a smoke inlet (42). The middle upper right side of the recovery cover body (41) is provided with a strong magnet (43). The middle right end of the smoke damper (45) is provided with an electromagnetic block (44). The right end of the smoke damper (45) is slidably matched with the middle inner side of the movable groove (46). A spring (47) is installed on the right side of the inside of the movable groove (46); the right side of the middle of the smoke damper (45) is elastically matched with the inner side of the movable groove (46) through the spring (47); a storage groove (48) is opened on the left side of the inside of the movable groove (46); the filtering mechanism (49) is installed on the left side of the inside of the recovery cover body (41); the upper end of the smoke inlet (42) is connected to the middle of the smoke inlet pipe (410); the lower left end of the smoke inlet pipe (410) and the upper left end of the smoke exhaust pipe (411) are respectively connected to the upper and lower sides of the middle of the filtering mechanism (49); the smoke exhaust pipe (411) is arranged at the inner bottom of the recovery cover body (41); the recovery cover body (41) is installed on the outer side of the middle of the rotary kiln boiler (2); and the smoke inlet (42) is connected to the middle of the top of the rotary kiln boiler (2).

2. A rotary kiln preheating and utilization device according to claim 1, characterized in that: The filtering mechanism (49) comprises a placement groove (491), a limiting groove (492), a pull-out baffle (493), a first filter plate (494), a second filter plate (495) and a third filter plate (496); the placement groove (491) is provided with a limiting groove (492) on the right side inside; the pull-out baffle (493) is connected to the left end of the placement groove (491); the first filter plate (494), the second filter plate (495) and the third filter plate (496) are respectively installed on the right end of the pull-out baffle (493); the right end of the first filter plate (494) is engaged with the inner side of the left end of the limiting groove (492); the placement groove (491) is installed on the left side inside the recovery cover body (41); the lower side of the left end of the smoke inlet pipe (410) and the upper side of the left end of the smoke exhaust pipe (411) are respectively connected to the upper and lower sides of the middle part of the placement groove (491).

3. A rotary kiln preheating and utilization device according to claim 1, characterized in that: The recovery cover body (41) is arranged in a ring shape, and a circular notch is provided on the inner side of the middle part of the recovery cover body (41), and the size of the notch is consistent with the size of the outer side of the middle part of the rotary kiln boiler (2).

4. A rotary kiln preheating and utilization device according to claim 1, characterized in that: A group of sliding grooves are respectively arranged at the upper and lower ends of the right side of the movable groove (46), and a group of springs (47) are respectively arranged inside the two groups of sliding grooves.

5. The rotary kiln preheating and utilization device according to claim 1, characterized in that: A smoke barrier is provided on the right side of the lower end of the smoke baffle (45). The cross section of the smoke baffle (45) is arranged in a cross shape. The inner width of the receiving groove (48) coincides with the width of the left end of the smoke baffle (45).

6. A rotary kiln preheating and utilization device according to claim 2, characterized in that: Three groups of limit slots (492) are vertically arranged on the right side of the interior of the placement slot (491), and the three groups of limit slots (492) are respectively arranged corresponding to the right ends of the first filter plate (494), the second filter plate (495) and the third filter plate (496).

7. A rotary kiln preheating and utilization device according to claim 2, characterized in that: The middle parts of the upper and lower ends of the placement groove (491) are respectively arranged perpendicular to the lower side of the left end of the smoke inlet pipe (410) and the upper side of the left end of the smoke exhaust pipe (411).

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