CN111637740A - Rotary kiln with excellent air tightness - Google Patents
Rotary kiln with excellent air tightness Download PDFInfo
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- CN111637740A CN111637740A CN202010475582.4A CN202010475582A CN111637740A CN 111637740 A CN111637740 A CN 111637740A CN 202010475582 A CN202010475582 A CN 202010475582A CN 111637740 A CN111637740 A CN 111637740A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
- F27B7/24—Seals between rotary and stationary parts
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to the technical field of rotary kiln equipment, in particular to a rotary kiln with excellent air tightness, which comprises a cylinder body, a kiln head cover and a kiln tail cover, and comprises a first sealing mechanism and a second sealing mechanism, wherein the first sealing mechanism and the second sealing mechanism have the same structure, the first sealing mechanism comprises a sealing sleeve, an elastic sealing element, a detachable sealing module, an air flow detector, a standby sealing module and an end connecting module, the main sealing module, the air flow detector, the standby sealing module and the end connecting module are sequentially arranged on the sealing sleeve, the elastic sealing elements are respectively arranged in the main sealing module and the standby sealing module, the end connecting module is respectively connected with the sealing sleeve and the cylinder body, the sealing sleeve is fixedly connected with the kiln head cover, the technical scheme can respectively connect the two ends of the cylinder body with the kiln head cover and the kiln tail cover, and has extremely strong sealing performance, and the internal parts can be timely replaced when worn.
Description
Technical Field
The invention relates to the technical field of rotary kiln equipment, in particular to a rotary kiln with excellent air tightness.
Background
The cement kiln is mainly used for calcining cement clinker and comprises a dry-process cement kiln and a wet-process cement kiln. The metallurgical chemical kiln is mainly used for magnetizing and roasting lean iron ore in steel plants in the metallurgical industry; oxidizing and roasting chromium and nickel iron ores; roasting high-metallurgical ores in a refractory material plant and roasting clinker and aluminum hydroxide in an aluminum plant; roasting chromium ore sand, chromium ore powder and other minerals in a chemical plant. The lime kiln (namely an active lime kiln) is used for roasting active lime and light-burned dolomite used in steel plants and iron alloy plants;
the lime rotary kiln is technically characterized in that: the vertical preheater with advanced structure and low pressure loss can effectively improve the preheating effect, and after preheating, the preheating effect is improved
A metallurgical rotary kiln: the metallurgical chemical kiln is mainly used for magnetizing and roasting lean iron ore in steel plants in the metallurgical industry; oxidizing and roasting chromium and nickel iron ore.
The rotary kiln is mainly used for magnetizing and roasting the lean iron ore in steel plants in the metallurgical industry; oxidizing and roasting chromium and nickel iron ores; the refractory material factory (i.e. active lime kiln) is used for roasting active lime and dolomite for steel and iron works and iron alloy works.
However, two ends of a cylinder in the rotary kiln need to be connected with a kiln head cover and a kiln tail cover respectively, but the connection part needs to have extremely strong tightness, so that the rotary kiln with excellent air tightness is provided, the two ends of the cylinder can be connected with the kiln head cover and the kiln tail cover respectively, the rotary kiln with excellent tightness is provided, and the rotary kiln can reflect and replace the internal parts in time when the internal parts are worn.
Disclosure of Invention
The technical scheme can be used for connecting the two ends of the cylinder body with the kiln head cover and the kiln tail cover respectively, has extremely strong sealing performance, and can reflect timely replacement when internal parts are worn.
In order to solve the technical problems, the invention provides the following technical scheme:
the rotary kiln with excellent air tightness comprises a cylinder body, a kiln head cover and a kiln tail cover, and comprises a first sealing mechanism and a second sealing mechanism, wherein the first sealing mechanism and the second sealing mechanism are respectively positioned at two ends of the cylinder body, the first sealing mechanism and the second sealing mechanism are both connected with the cylinder body, and the first sealing mechanism and the second sealing mechanism are respectively rotatably connected with the kiln head cover and the kiln tail cover;
the structure of the first sealing mechanism is consistent with that of the second sealing mechanism, the first sealing mechanism comprises a sealing sleeve, an elastic sealing element, a detachable sealing module, an air flow detector, a standby sealing module and an end connecting module, the main body sealing module, the air flow detector, the standby sealing module and the end connecting module are sequentially installed on the sealing sleeve, the elastic sealing element is respectively installed in the main body sealing module and the standby sealing module, the end connecting module is respectively connected with a sealing sleeve and a barrel body, and the sealing sleeve is fixedly connected with the kiln head cover.
Preferably, the sealing sleeve comprises a skirt swinging ring, a fixing ring, a main body sealing area and an auxiliary body sealing area, the skirt swinging ring is fixedly arranged at one end of the sealing sleeve and is fixedly connected with the kiln head cover through the fixing ring, and the skirt swinging ring, the main body sealing area and the auxiliary body sealing area are sequentially arranged on the sealing sleeve.
Preferably, the main body sealing area comprises a semicircular opening and a first semicircular groove channel, the semicircular opening is formed in the sealing sleeve, the first semicircular groove channel is located on the opposite face of the semicircular opening, the first semicircular groove channel and the first semicircular groove channel form a whole circle through a combined shell, and the main body sealing module is located at the semicircular opening.
Preferably, the auxiliary body sealing area comprises a circular convex ring and an auxiliary body bin, the circular convex ring is arranged on the sealing sleeve, the circular convex ring is close to the end connecting module, the diameter of the outer edge of the circular convex ring is larger than that of the outer edge of the sealing sleeve, the auxiliary body bin is arranged inside the circular convex ring and communicated with the inside of the sealing sleeve, the standby sealing module is arranged on the sealing sleeve, and the working end of the standby sealing module is positioned in the auxiliary body bin.
Preferably, the elastic sealing element is made of wear-resistant high-temperature-resistant rubber, and the elastic sealing element is in a strip-shaped air bag shape.
Preferably, the main body sealing module comprises a semicircular cover plate, a second semicircular channel and a locking mechanism, the semicircular cover plate is located at the semicircular opening and matched with the semicircular opening, one end of the semicircular cover plate is hinged to the semicircular opening, the second semicircular channel is located at the inner edge of the semicircular cover plate, and the locking mechanism is located at the other side of the semicircular cover plate.
Preferably, the locking mechanism comprises two convex plates, a screw and a nut, one convex plate is fixed at one end of the semicircular cover plate, the other convex plate is fixed on the sealing sleeve, and the screw penetrates through the two convex plates and is connected with the nut.
Preferably, the standby sealing module comprises a first pressing module and a second pressing module, the first pressing module and the second pressing module are symmetrically arranged on the sealing sleeve, and the working ends of the first pressing module and the second pressing module penetrate through the circular convex ring and extend into the auxiliary body bin to be connected with the elastic sealing element.
Preferably, the first module and the second module that compresses tightly are unanimous in structure, and the first module that compresses tightly is including support frame, bolt, push pedal and spring, and support frame fixed mounting is in sealed sleeve pipe to the support frame spanes along circular bulge loop axis, and the push pedal is located vice body storehouse, and the bolt is located the support frame, and the stress end threaded connection of bolt and push pedal, and the both ends of spring are connected with the stress end and the support frame bottom of push pedal respectively.
Preferably, the end connection module comprises a pressing sheet and a bearing, the bearing is arranged at one end of the sealing sleeve through the pressing sheet, and the bearing is rotatably connected with the cylinder body.
Compared with the prior art, the invention has the beneficial effects that: one end of the sealing sleeve plays a role of supporting one end of the cylinder body, the sealing sleeve is fixedly connected with the kiln head cover, the end connecting module is used for rotatably connecting the other end of the sealing sleeve with the cylinder body, the stability of one end of the cylinder body is ensured through two-end type support, the rotatable connection of one end of the cylinder body and the kiln head cover or the kiln tail cover is ensured, the elastic sealing elements are used for preventing gas in the cylinder body from being communicated with gas outside the cylinder body, the number of the elastic sealing elements is two, one elastic sealing element is arranged at the working end of the standby sealing module in advance, the other elastic sealing element is required to be arranged in the main body sealing module in advance, however, the invention is a bright spot because the elastic sealing elements made of any material can be worn and aged after long-time use, but if the situation occurs, the cylinder body is dismounted in a large time with great expense, therefore, taking the invention as an example, after the cylinder is used for a long time, the elastic sealing element positioned on the main body sealing module is seriously worn, so that air circulation is inevitably generated when the cylinder cannot normally block gas, at the moment, the working end of the air flow detector positioned between the main body sealing module and the standby sealing module receives a signal generated by air flow, the air flow detector transmits the signal to a worker, the worker knows that the elastic sealing element positioned on the main body sealing module is damaged after receiving the signal, then the worker needs to open the standby sealing module in time, the standby sealing module can push the elastic sealing element positioned at the working end of the standby sealing module to fill a gap between the sealing sleeve and the cylinder, and after the next step needs to wait for the process of the rotary kiln to be finished, the worker stops the work of the whole rotary kiln and then takes protective measures, opening the working end of the main body sealing module and drawing out the damaged elastic sealing element, then replacing a new elastic sealing element into the main body sealing module by a worker, closing the main body sealing module, and finally resetting the elastic sealing element at the working end of the spare sealing module through the spare sealing module so as to keep the spare sealing module still having good performance and be used for the next time;
through the setting of this equipment, can be with being connected of barrel both ends respectively with kiln hood cover and kiln tail cover, have extremely strong leakproofness to internals can in time reflect in time when receiving wearing and tearing and change.
Drawings
FIG. 1 is a first schematic perspective view of a rotary kiln with excellent gas tightness according to the present invention;
FIG. 2 is a schematic perspective view of a rotary kiln with excellent air tightness according to the present invention;
FIG. 3 is a front view of a rotary kiln excellent in airtightness according to the present invention;
fig. 4 is a front view of a first sealing mechanism of a rotary kiln excellent in airtightness according to the present invention;
fig. 5 is a schematic view showing a first sealing mechanism of a rotary kiln having excellent airtightness according to the present invention;
fig. 6 is a rear view of a first sealing mechanism of a rotary kiln excellent in airtightness according to the present invention;
FIG. 7 is a second schematic perspective view of the first sealing mechanism of the rotary kiln with excellent air tightness according to the present invention;
fig. 8 is a third schematic perspective view of the first sealing mechanism of the rotary kiln having excellent airtightness according to the present invention;
FIG. 9 is a schematic view showing the internal mechanism of a sealed casing of a rotary kiln excellent in airtightness according to the present invention;
fig. 10 is a schematic view showing an internal structure of a first sealing mechanism of a rotary kiln excellent in airtightness according to the present invention.
The reference numbers in the figures are:
1. a barrel;
2. a kiln head cover;
3. a kiln tail cover;
4. sealing the sleeve; 4a, skirt swing rings; 4b, a fixing ring; 4c, a body seal area; 4c1, semicircular opening; 4c2, a first semicircular channel; 4d, a secondary body sealing area; 4d1, circular convex ring; 4d2, sub body cabin;
5. an elastomeric seal;
6. a body sealing module; 6a, a semicircular cover plate; 6b, a second semicircular channel; 6c, a locking mechanism; 6c1, convex plate; 6c2, screws; 6c3, nut;
7. an air flow detector;
8. a standby sealing module; 8a, a first compaction module; 8a1, a support frame; 8a2, bolts; 8a3, push plate; 8a4, spring; 8b, a second pressing module;
9. an end connection module; 9a, tabletting; 9b and a bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 10, the rotary kiln with excellent air tightness comprises a cylinder 1, a kiln head cover 2 and a kiln tail cover 3, and comprises a first sealing mechanism and a second sealing mechanism, wherein the first sealing mechanism and the second sealing mechanism are respectively positioned at two ends of the cylinder 1, the first sealing mechanism and the second sealing mechanism are both connected with the cylinder 1, and the first sealing mechanism and the second sealing mechanism are respectively rotatably connected with the kiln head cover 2 and the kiln tail cover 3;
the structure of the first sealing mechanism is consistent with that of the second sealing mechanism, the first sealing mechanism comprises a sealing sleeve 4, an elastic sealing element 5, a detachable sealing module, an air flow detector 7, a standby sealing module 8 and an end connecting module 9, a main body sealing module 6, the air flow detector 7, the standby sealing module 8 and the end connecting module 9 are sequentially arranged on the sealing sleeve 4, the elastic sealing element 5 is respectively arranged in the main body sealing module 6 and the standby sealing module 8, the end connecting module 9 is respectively connected with a sealing sleeve and a barrel body 1, and the sealing sleeve 4 is fixedly connected with a kiln head cover 2;
one end of the sealing sleeve 4 plays a role of supporting one end of the cylinder body 1, the sealing sleeve 4 is fixedly connected with the kiln head cover 2, the end connecting module 9 is used for rotatably connecting the other end of the sealing sleeve 4 with the cylinder body 1, the stability of one end of the cylinder body 1 is ensured through two-end type support, and the rotatable connection of one end of the cylinder body 1 with the kiln head cover 2 or the kiln tail cover 3 is ensured, the elastic sealing elements 5 are used for preventing the gas in the cylinder body 1 from communicating with the gas outside the cylinder body 1, the number of the elastic sealing elements 5 is two, one elastic sealing element 5 is arranged at the working end of the standby sealing module 8 in advance, the other elastic sealing element 5 is required to be arranged in the main body sealing module 6 in advance, but the invention is the bright spot because the elastic sealing element 5 made of any material can be worn and aged after being used for a long time, however, if the barrel 1 is disassembled, which takes a lot of time, when the barrel 1 is used for a long time, the elastic sealing member 5 located in the main sealing module 6 is severely worn, so that air circulation is inevitably generated when the barrel 1 cannot normally obstruct air, the working end of the air flow detector 7 located between the main sealing module 6 and the standby sealing module 8 receives a signal generated by air flow, the air flow detector 7 transmits the signal to a worker, the worker knows that the elastic sealing member 5 located in the main sealing module 6 is damaged after receiving the signal, and then the worker needs to open the standby sealing module 8 in time, and the standby sealing module 8 pushes the elastic sealing member 5 located at the working end to fill up a gap between the sealing sleeve 4 and the barrel 1, after the next step needs to wait for the end of the procedure of the rotary kiln, the worker stops the work of the whole rotary kiln, then takes protective measures, opens the working end of the main body sealing module 6 and takes out the damaged elastic sealing element 5, then the worker replaces the new elastic sealing element 5 into the main body sealing module 6, closes the main body sealing module 6, and finally resets the elastic sealing element 5 at the working end through the standby sealing module 8, so that the next time of use can be carried out by keeping the rotary kiln still to have good performance.
As shown in fig. 9, the sealing sleeve 4 comprises a skirt pendulum ring 4a, a fixed ring 4b, a main body sealing area 4c and a secondary body sealing area 4d, the skirt pendulum ring 4a is fixedly arranged at one end of the sealing sleeve 4, the skirt pendulum ring 4a is fixedly connected with the kiln head cover 2 through the fixed ring 4b, and the skirt pendulum ring 4a, the main body sealing area 4c and the secondary body sealing area 4d are arranged on the sealing sleeve 4 in sequence;
one end of the sealing sleeve 4 is fixedly connected with a fixed ring 4b through a skirt pendulum ring 4a, the fixed ring 4b is welded with the kiln head cover 2 or the kiln tail cover 3, a main body sealing area 4c is used for installing a main body sealing module 6, a secondary body sealing area 4d is used for installing another sealing module, because the other end of the sealing sleeve 4 is rotatably connected with the cylinder body 1 through an end connecting module 9, the possibility of air circulation exists due to the rotatable connection, the gas in the cylinder body 1 flows from the skirt pendulum ring 4a to the end connecting module 9, the gas first reaches the main body sealing area 4c, if the elastic sealing member 5 at the working end of the main body sealing module 6 has good performance, the gas is blocked, otherwise, the gas continues to flow through the end connecting module 9, and passes through the air flow detector 7 in the process of continuing to flow, the air flow detector 7 receives signals generated by air flow, the air flow detector 7 transmits the signals to a worker, the worker knows that the elastic sealing element 5 located in the main body sealing module 6 is damaged after receiving the signals, then the worker needs to open the standby sealing module 8 timely, and the standby sealing module 8 can push the elastic sealing element 5 located in the auxiliary body sealing area 4d to fill up gaps between the sealing sleeve 4 and the cylinder body 1.
As shown in fig. 9, the body sealing region 4c includes a semicircular opening 4c1 and a first semicircular groove 4c2, the semicircular opening 4c1 is provided on the sealing sleeve 4, the first semicircular groove 4c2 is located in the sealing sleeve 4, and the first semicircular groove 4c2 is located on the opposite side of the semicircular opening 4c1, the combined shells of the two form a complete circle, and the body sealing module 6 is located at the semicircular opening 4c 1;
the elastomeric seal 5 at the working end of the body seal module 6 is in the working position with one half at the working end of the body seal module 6 and the other half in the first semicircular channel 4c2, the position of the elastomeric seal 5 being limited by the first semicircular channel 4c2, the semicircular opening 4c1 being for the body seal module 6 to be mounted on and provide access to the elastomeric seal 5 for replacement.
As shown in fig. 9, the sub body sealing area 4d comprises a circular convex ring 4d1 and a sub body bin 4d2, the circular convex ring 4d1 is arranged on the sealing sleeve 4, the circular convex ring 4d1 is close to the end connecting module 9, the diameter of the outer edge of the circular convex ring 4d1 is larger than that of the outer edge of the sealing sleeve 4, the sub body bin 4d2 is arranged inside the circular convex ring 4d1, the sub body bin 4d2 is communicated with the inside of the sealing sleeve 4, the spare sealing module 8 is arranged on the sealing sleeve 4, and the working end of the spare sealing module 8 is positioned inside the sub body bin 4d 2;
the circular convex ring 4d1 is used to create the sub-body chamber 4d2, an elastic sealing member 5 is located in the sub-body chamber 4d2 under the non-working state, when the working end of the standby sealing module 8 pushes the elastic sealing member 5, the elastic sealing member 5 surrounds the barrel 1 and fills the flow gap between the sealing sleeve 4 and the barrel 1.
As shown in fig. 9, the elastic sealing member 5 is made of wear-resistant and high-temperature-resistant rubber, and the elastic sealing member 5 is shaped as a strip-shaped airbag;
when the main body sealing module 6 is opened, the strip-shaped air bag is plugged into the sealing sleeve 4 and surrounds the cylinder body 1, then the strip-shaped air cylinder is blown up, and the elastic sealing piece 5 expands to fill a gap between the cylinder body 1 and the sealing sleeve 4.
As shown in fig. 5 and 10, the body sealing module 6 includes a semicircular cover plate 6a, a second semicircular channel 6b and a locking mechanism 6c, the semicircular cover plate 6a is located at and engaged with the semicircular opening 4c1, one end of the semicircular cover plate 6a is hinged with the semicircular opening 4c1, the second semicircular channel 6b is located at the inner edge of the semicircular cover plate 6a, and the locking mechanism 6c is located at the other side of the semicircular cover plate 6 a;
the worker opens the locking mechanism 6c and then lifts the semicircular cover plate 6a, then takes out the damaged elastic sealing member 5 by inserting the semicircular opening 4c1, then the worker inserts a new elastic sealing member 5 into the seal through the semicircular opening 4c1, closes the semicircular cover plate 6a at the semicircular opening 4c1, the elastic sealing member 5 is fixed in its position by the restriction of the first semicircular groove 4c2 and the second semicircular groove 6b, and finally fixes the semicircular cover plate 6a by the locking mechanism 6 c.
As shown in fig. 6, the locking mechanism 6c includes two convex plates 6c1, a screw 6c2 and a nut 6c3, one convex plate 6c1 is fixed at one end of the semicircular cover plate 6a, the other convex plate 6c1 is fixed on the sealing sleeve 4, and the screw 6c2 penetrates through the two convex plates 6c1 and is connected with the nut 6c 3;
the worker unscrews the screw 6c2 and the nut 6c3, the two protruding plates 6c1 may be separated from each other, and then the worker opens the semicircular cover plate 6 a.
As shown in fig. 6, the spare sealing module 8 comprises a first pressing module 8a and a second pressing module 8b, the first pressing module 8a and the second pressing module 8b are symmetrically arranged on the sealing sleeve 4, and the working ends of the first pressing module 8a and the second pressing module 8b both penetrate through a circular convex ring 4d1 and extend into the secondary body bin 4d2 to be connected with the elastic sealing element 5;
the staff opens the first compressing module 8a and the second compressing module 8b at the same time, the working ends of the first compressing module 8a and the second compressing module 8b push the elastic sealing element 5 at the working ends to fill the gap between the sealing sleeve 4 and the cylinder 1, and only the first compressing module 8a and the second compressing module 8b are used for indication, and the number of the compressing modules can be increased properly according to actual conditions.
As shown in fig. 10, the first compression module 8a and the second compression module 8b have the same structure, the first compression module 8a includes a support frame 8a1, a bolt 8a2, a push plate 8a3 and a spring 8a4, the support frame 8a1 is fixedly mounted on the sealing sleeve 4, and the support frame 8a1 crosses along the axis of the circular convex ring 4d1, the push plate 8a3 is located in the auxiliary body chamber 4d2, the bolt 8a2 is located on the support frame 8a1, and the bolt 8a2 is in threaded connection with the stressed end of the push plate 8a3, and the two ends of the spring 8a4 are respectively connected with the stressed end of the push plate 8a3 and the bottom of the support frame 8a 1;
the staff twists bolt 8a2, receives spring 8a4 thrust and promotes elastic sealing element 5 after the atress end of push pedal 8a3 loses the connection, and elastic sealing element 5 fills up the gap between sealing sleeve 4 and barrel 1, and support frame 8a1 is used for supporting fixedly.
As shown in fig. 7, the end connection module 9 comprises a pressing sheet 9a and a bearing 9b, the bearing 9b is mounted at one end of the sealing sleeve 4 through the pressing sheet 9a, and the bearing 9b is rotatably connected with the cylinder 1;
the pressing piece 9a is used for fixing the bearing 9b, and the bearing 9b is used for sealing the rotatable connection of the sleeve 4 and the barrel 1.
The working principle of the invention is as follows: one end of the sealing sleeve 4 plays a role of supporting one end of the cylinder body 1, the sealing sleeve 4 is fixedly connected with the kiln head cover 2, the end connecting module 9 is used for rotatably connecting the other end of the sealing sleeve 4 with the cylinder body 1, the stability of one end of the cylinder body 1 is ensured through two-end type support, and the rotatable connection of one end of the cylinder body 1 with the kiln head cover 2 or the kiln tail cover 3 is ensured, the elastic sealing elements 5 are used for preventing the gas in the cylinder body 1 from communicating with the gas outside the cylinder body 1, the number of the elastic sealing elements 5 is two, one elastic sealing element 5 is arranged at the working end of the standby sealing module 8 in advance, the other elastic sealing element 5 is required to be arranged in the main body sealing module 6 in advance, but the invention is the bright spot because the elastic sealing element 5 made of any material can be worn and aged after being used for a long time, however, if the barrel 1 is disassembled in a time consuming and tedious manner, it takes a lot of time, so that the invention is taken as an example, after the barrel 1 is used for a long time, the elastic sealing member 5 located in the main body sealing module 6 is seriously worn, so that air circulation is inevitably generated when the elastic sealing member cannot normally obstruct air, at this time, the working end of the air flow detector 7 located between the main body sealing module 6 and the standby sealing module 8 receives a signal generated by air flow, the air flow detector 7 transmits the signal to a worker, the worker knows that the elastic sealing member 5 located in the main body sealing module 6 is damaged after receiving the signal, and then the worker needs to open the standby sealing module 8 in time, the worker operates the first pressing module 8a and the second pressing module 8b at the same time, twists the bolts 8a2, the stress end of the push plate 8a3 loses connection and receives the thrust of the spring 8a4 to push the elastic sealing element 5, the elastic sealing element 5 fills the gap between the sealing sleeve 4 and the cylinder 1, next, after waiting for the process of the rotary kiln to be finished, a worker stops the whole rotary kiln and takes protective measures, the worker twists off the screw 6c2 and the nut 6c3, the two convex plates 6c1 can be separated from each other, then the semicircular cover plate 6a is lifted, then the damaged elastic sealing element 5 is taken out by taking the semicircular opening 4c1, then the worker plugs the strip-shaped air bag into the sealing sleeve 4 and surrounds the cylinder 1, then the strip-shaped air cylinder is blown, the elastic sealing element 5 expands to fill the gap between the cylinder 1 and the sealing sleeve 4, and the position of the elastic sealing element 5 is limited by the first semicircular channel 4c2 and the second semicircular channel 6b, finally, the screw 6c2 and the nut 6c3 are unscrewed, the two convex plates 6c1 are mutually attached and fixed, and finally the elastic sealing element 5 at the working end of the elastic sealing element is reset through the spare sealing module 8, so that the elastic sealing element still has good performance and can be used for the next time.
Claims (10)
1. A rotary kiln with excellent air tightness comprises a cylinder body (1), a kiln head cover (2) and a kiln tail cover (3), and is characterized by comprising a first sealing mechanism and a second sealing mechanism, wherein the first sealing mechanism and the second sealing mechanism are respectively positioned at two ends of the cylinder body (1), the first sealing mechanism and the second sealing mechanism are both connected with the cylinder body (1), and the first sealing mechanism and the second sealing mechanism are respectively rotatably connected with the kiln head cover (2) and the kiln tail cover (3);
the structure of the first sealing mechanism is consistent with that of the second sealing mechanism, the first sealing mechanism comprises a sealing sleeve (4), an elastic sealing element (5), a detachable sealing module, an air flow detector (7), a standby sealing module (8) and an end connection module (9), a main body sealing module (6), the air flow detector (7), the standby sealing module (8) and the end connection module (9) are sequentially installed on the sealing sleeve (4), the elastic sealing element (5) is respectively installed in the main body sealing module (6) and the standby sealing module (8), the end connection module (9) is respectively connected with a sealing sleeve and a cylinder body (1), and the sealing sleeve (4) is fixedly connected with a kiln head cover (2).
2. The rotary kiln with excellent air tightness as claimed in claim 1, wherein the sealing sleeve (4) comprises a skirt pendulum ring (4 a), a fixed ring (4 b), a main body sealing area (4 c) and an auxiliary body sealing area (4 d), the skirt pendulum ring (4 a) is fixedly arranged at one end of the sealing sleeve (4), the skirt pendulum ring (4 a) is fixedly connected with the kiln head cover (2) through the fixed ring (4 b), and the skirt pendulum ring (4 a), the main body sealing area (4 c) and the auxiliary body sealing area (4 d) are sequentially arranged on the sealing sleeve (4).
3. A rotary kiln with excellent gas tightness according to claim 2, characterized in that the body sealing area (4 c) comprises a semicircular opening (4 c 1) and a first semicircular channel (4 c 2), the semicircular opening (4 c 1) is provided on the sealing sleeve (4), the first semicircular channel (4 c 2) is located in the sealing sleeve (4), and the first semicircular channel (4 c 2) is located at the opposite side of the semicircular opening (4 c 1), the two combined shells form a complete circle, and the body sealing module (6) is located at the semicircular opening (4 c 1).
4. A rotary kiln with excellent gas tightness according to claim 2, characterized in that the secondary body sealing area (4 d) comprises a circular convex ring (4 d 1) and a secondary body bin (4 d 2), the circular convex ring (4 d 1) is arranged on the sealing sleeve (4), the circular convex ring (4 d 1) is close to the end connection module (9), the diameter of the outer edge of the circular convex ring (4 d 1) is larger than that of the outer edge of the sealing sleeve (4), the secondary body bin (4 d 2) is arranged inside the circular convex ring (4 d 1), the secondary body bin (4 d 2) is communicated with the inside of the sealing sleeve (4), the spare sealing module (8) is arranged on the sealing sleeve (4), and the working end of the spare sealing module (8) is positioned inside the secondary body bin (4 d 2).
5. The rotary kiln with excellent airtightness according to claim 1, wherein the elastic sealing member (5) is made of wear-resistant high-temperature-resistant rubber, and the shape of the elastic sealing member (5) is a strip-shaped air bag.
6. A rotary kiln with excellent gas tightness according to claim 3, characterized in that the body sealing module (6) comprises a semicircular cover plate (6 a), a second semicircular channel (6 b) and a locking mechanism (6 c), the semicircular cover plate (6 a) is located at and engaged with the semicircular opening (4 c 1), one end of the semicircular cover plate (6 a) is hinged with the semicircular opening (4 c 1), the second semicircular channel (6 b) is located at the inner edge of the semicircular cover plate (6 a), and the locking mechanism (6 c) is located at the other side of the semicircular cover plate (6 a).
7. The rotary kiln with excellent air tightness as claimed in claim 6, wherein the locking mechanism (6 c) comprises two convex plates (6 c 1), a screw (6 c 2) and a nut (6 c 3), one convex plate (6 c 1) is fixed at one end of the semicircular cover plate (6 a), the other convex plate (6 c 1) is fixed on the sealing sleeve (4), and the screw (6 c 2) penetrates through the two convex plates (6 c 1) and is connected with the nut (6 c 3).
8. A rotary kiln with excellent air tightness according to claim 4, characterized in that the spare sealing module (8) comprises a first pressing module (8 a) and a second pressing module (8 b), the first pressing module (8 a) and the second pressing module (8 b) are symmetrically arranged on the sealing sleeve (4), and the working ends of the first pressing module (8 a) and the second pressing module (8 b) penetrate through the circular convex ring (4 d 1) and extend into the sub-body bin (4 d 2) to be connected with the elastic sealing element (5).
9. The rotary kiln with excellent air tightness as claimed in claim 8, wherein the first compression module (8 a) and the second compression module (8 b) have the same structure, the first compression module (8 a) comprises a support frame (8 a 1), a bolt (8 a 2), a push plate (8 a 3) and a spring (8 a 4), the support frame (8 a 1) is fixedly installed on the sealing sleeve (4), the support frame (8 a 1) crosses along the axis of the circular convex ring (4 d 1), the push plate (8 a 3) is located in the auxiliary body bin (4 d 2), the bolt (8 a 2) is located on the support frame (8 a 1), the bolt (8 a 2) is in threaded connection with the stressed end of the push plate (8 a 3), and the two ends of the spring (8 a 4) are respectively connected with the stressed end of the push plate (8 a 3) and the bottom of the support frame (8 a 1).
10. A rotary kiln having excellent airtightness according to claim 1, wherein the end connection module (9) includes a pressing piece (9 a) and a bearing (9 b), the bearing (9 b) is mounted on one end of the sealing sleeve (4) through the pressing piece (9 a), and the bearing (9 b) is rotatably connected to the cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010475582.4A CN111637740A (en) | 2020-05-29 | 2020-05-29 | Rotary kiln with excellent air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010475582.4A CN111637740A (en) | 2020-05-29 | 2020-05-29 | Rotary kiln with excellent air tightness |
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| Publication Number | Publication Date |
|---|---|
| CN111637740A true CN111637740A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010475582.4A Withdrawn CN111637740A (en) | 2020-05-29 | 2020-05-29 | Rotary kiln with excellent air tightness |
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| Country | Link |
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| CN (1) | CN111637740A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209917427U (en) * | 2019-02-13 | 2020-01-10 | 乐山海天水务有限公司 | Sewage treatment pipeline |
| CN210321129U (en) * | 2019-07-15 | 2020-04-14 | 宜兴市盛东环保设备有限公司 | Double-stage sealing device of rotary kiln |
-
2020
- 2020-05-29 CN CN202010475582.4A patent/CN111637740A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209917427U (en) * | 2019-02-13 | 2020-01-10 | 乐山海天水务有限公司 | Sewage treatment pipeline |
| CN210321129U (en) * | 2019-07-15 | 2020-04-14 | 宜兴市盛东环保设备有限公司 | Double-stage sealing device of rotary kiln |
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