CN218600258U

CN218600258U - Kiln door device of rotary cement kiln

Info

Publication number: CN218600258U
Application number: CN202222976425.9U
Authority: CN
Inventors: 王东; 胡进文; 王进国
Original assignee: Tangshan Mengtewei Environmental Engineering Co ltd
Current assignee: Tangshan Mengtewei Environmental Engineering Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-10
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of sealing of a cement rotary kiln, in particular to a kiln door device of a cement rotary kiln, which comprises a kiln door frame, a reinforcing rib, a half hinged support, a kiln hood cover, a left kiln door, a half hinged support, a right kiln door, a half hinged support, a kiln door rotating shaft, a sealing frame, a flexible high-temperature-resistant sealing gasket A, a flexible high-temperature-resistant sealing gasket B, a pressing device, a transparent observation window, an access manhole door, a supporting wheel track and a fish scale sealing device; the utility model discloses the kiln door adopts open structure, a left side, right side kiln door passes through the kiln door pivot and installs on kiln door frame, kiln door frame mount is covered at the kiln head, make the whole kiln door hang with the kiln head cover on, there is sealed frame in the kiln door opening, a left side, be equipped with sealed the pad on the right side kiln door, when a left side, when the right side kiln door is closed, a left side, right side kiln door closely cooperates with kiln door frame, make the gap effectively filled to the flexible high temperature resistant sealing material in the sealed frame, play good sealed effect, greatly reduced the cold air and scurried into the cement rotary kiln, be unfavorable for the condition of cement rotary kiln work.

Description

Kiln door device of rotary cement kiln

Technical Field

The utility model relates to a sealed technical field of cement rotary kiln specifically is a rotary cement kiln's kiln door gear.

Background

The cement rotary kiln is the main equipment for producing cement building materials, high-temperature cement clinker and high-temperature air are arranged in the cement rotary kiln, the interior of the cement rotary kiln is usually in a micro negative pressure state, external cold air cannot enter the interior of the cement kiln when the cement kiln works, so that a good sealing environment is needed, the existing kiln door is a horizontal sliding kiln door, a gap exists between the kiln door and a kiln head cover, a good sealing effect cannot be achieved, a large amount of cold air is mixed into the cement rotary kiln, the cement rotary kiln is not beneficial to work, meanwhile, high-temperature cement heat is often discharged from the gap, environment pollution and production potential safety hazards are caused, and certain defects exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary cement kiln's kiln door device has solved the above-mentioned technical problem who proposes.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a cement rotary kiln's kiln door device, includes kiln door frame, left kiln door and right kiln door, fixed mounting has quiet half hinged support on the kiln door frame, fixed mounting has on the kiln door of a left side moves half hinged support A, fixed mounting has on the kiln door of the right side moves half hinged support B, the move half hinged support B on the last half hinged support A of moving of left side kiln door and the right kiln door and the quiet half hinged support on the kiln door frame pass through the kiln door pivot and be connected, form the revolute pair, the inside door opening that is of kiln door frame, door opening size is a little more than the overall dimension of left and right kiln door, and the gap that door opening and the size difference of kiln door constitute is used for offsetting the inflation volume after the kiln door is heated, kiln door frame and the very soft right kiln door seam department of left side kiln door are equipped with the seal frame, two cell bodies have been seted up to the outer wall of seal frame, and the flexible high temperature resistant sealed pad A and the sealed pad B of packing that two cell body internal correspondences can prevent gap air leakage and the interior solid particle leakage of gap, left side kiln door frame and right kiln door all install the supporting wheel lower part and supporting wheel ground, and supporting the track can reduce the kiln door and the pivot of kiln door, and the kiln door is more nimble rotation of gravity that the kiln door can reduce the kiln door more.

Preferably, still include the cement kiln hood cover, kiln door frame back fixedly connected with strengthening rib, the strengthening rib welding makes kiln door frame and cement kiln hood cover constitute a sealed whole at cement kiln hood cover surface, has high temperature resistant coating on left kiln door and the right kiln door, can effectively prevent the erosion of high-temperature gas to the metal kiln door.

Preferably, install a plurality of kiln door closing device on the kiln door frame, closing device includes pivot, pivot mount pad, screw thread post, clamp plate and carousel, the top and the bottom department at kiln door frame are installed to the pivot mount pad, the pivot is rotated and is installed on the pivot mount pad, perpendicular fixedly connected with screw thread post in the pivot, the clamp plate clearance cup joints on the screw thread post, and the carousel screw thread runs through and installs on the screw thread post.

Preferably, a transparent observation window convenient for observing the internal working condition of the kiln head cover by naked eyes is arranged on the right kiln door.

Preferably, the right kiln door is hinged with an access manhole door, the left kiln door and the right kiln door can enter the kiln hood cover through the access manhole door under the condition that the left kiln door or the right kiln door is not opened, the left kiln door and the right kiln door are designed in a central symmetry mode, the seam of the two kiln doors inclines by a certain angle, the gap between the left kiln door and the right kiln door is reduced, meanwhile, the kiln doors do not interfere when rotating, and the kiln doors are opened flexibly.

Preferably, still including being used for the gap between elastic seal rotary kiln door device and the coal injection mouth, make the gap between the two be in encapsulated situation fish scale sealing device all the time when guaranteeing the nozzle adjusting position, all be provided with the coal injection mouth of semicircle form on left side kiln door and the right kiln door, fish scale sealing device installs on the circular coal injection mouth that constitutes after left kiln door and the closed right kiln door.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the kiln door adopts to open structure, a left side, right side kiln door passes through the kiln door pivot and installs on kiln door frame, a left side, the supporting wheel is all installed to right side kiln door bottom, the supporting wheel passes through the track of bottom, support the weight of kiln door, make a left side, right side kiln door is applyed and is changeed epaxial moment of bending of kiln door and reduce, a left side, the right side can rotate in a flexible way, a left side, the right side is all outwards opened, kiln door frame mounting is on kiln hood, make kiln door whole hang with kiln hood on, there is the seal frame in the door opening, a left side, be equipped with sealed the pad on the right side kiln door, when right side kiln door closes, make a left side through hold-down mechanism, right side kiln door closely cooperates with kiln door frame, make the gap is effectively filled to flexible high temperature resistant sealing material in the seal frame, good sealing action plays greatly reduced cold air and scurries into cement rotary kiln, cement is unfavorable for the condition of work, high temperature cement heat has often avoided the rotary kiln to flow from the clearance simultaneously, cause environmental pollution and the problem of production potential safety hazard.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a kiln door frame; 101. reinforcing ribs; 102. a stationary half hinge base; 2. a kiln head cover; 3. a left kiln door; 31. moving the half hinged support A; 4. a right kiln door; 41. moving the half hinged support B; 5. a kiln door rotating shaft; 6. a high temperature resistant coating; 7. a sealing frame; 71. a flexible high-temperature-resistant sealing gasket A; 72. a flexible high temperature resistant sealing gasket B; 8. a compressing device; 9. a transparent viewing window; 10. a manhole door is overhauled; 11. a support wheel; 12. a support wheel track; 13. fish scale sealing device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff with ordinary skill in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a kiln door device of a cement rotary kiln comprises a kiln door frame 1, a left kiln door 3 and a right kiln door 4, wherein a static semi-hinged seat 102 is fixedly arranged on the kiln door frame 1, a movable semi-hinged seat A31 is fixedly arranged on the left kiln door 3, a movable semi-hinged seat B41 is fixedly arranged on the right kiln door 4, the movable semi-hinged seat A31 on the left kiln door 3 and the movable semi-hinged seat B41 on the right kiln door 4 are connected with the static semi-hinged seat 102 on the kiln door frame 1 through a kiln door rotating shaft 5 to form a revolute pair, a door opening is arranged in the kiln door frame, the size of the door opening is slightly larger than the external size of the left kiln door and the right kiln door, and a gap formed by the size difference of the door opening and the kiln door is used for offsetting the expansion amount of the kiln door after being heated, the very soft right wicket 4 seam crossing of wicket frame 1 and left wicket 3 is equipped with seal frame 7, two cell bodys have been seted up to seal frame 7's outer wall, the flexible high temperature resistant sealed pad A71 of packing and the flexible high temperature resistant sealed pad B72 that correspond in two cell bodys, prevent that the gap from leaking and the interior solid particle of wicket cover 2 from leaking, supporting wheel 11 is all installed to left wicket 3 and right wicket 4 lower part, ground install with supporting wheel 11 assorted track 12, supporting wheel 11 can reduce the gravity of wicket to the moment of flexure of wicket pivot 5, make the wicket rotate more nimble, supporting wheel 11 is installed respectively in the bottom of left wicket 3 and right wicket 4, transmit the weight of wicket to supporting wheel track 12.

Further, still include cement

kiln hood cover

2, 1 back fixedly connected with strengthening rib 101 of kiln door frame, strengthening rib 101 welds at 2 surface of cement kiln hood cover, makes kiln door frame 1 and cement kiln hood cover 2 constitute a sealed whole, has high temperature resistant coating 6 on left kiln door 3 and the right kiln door 4, can effectively prevent the erosion of hot gas to the metal kiln door.

Further, install a plurality of kiln door closing device 8 on the kiln door frame 1, closing device 8 includes pivot, pivot mount pad, screw thread post, clamp plate and carousel, and the pivot mount pad is installed in kiln door frame 1's top and bottom department, and the pivot is rotated and is installed on the pivot mount pad, perpendicular fixedly connected with screw thread post in the pivot, and the clamp plate clearance cup joints on the screw thread post, and the carousel screw thread runs through and installs on the screw thread post.

Further, install the transparent observation window 9 of being convenient for the inside operating mode of visual observation hood on the right side kiln door 4, transparent observation window 9 adopts high temperature resistant glass, and isolated high-temperature gas in hood 2 has the upset baffle in the high temperature resistant glass, and the upset baffle is made by heat-resistant steel, and the upset baffle relies on self gravity flagging under the normal conditions, and twist grip opens the upset baffle and can pass through the inside condition of high temperature resistant glass observation hood when needing the observation.

Further, the right kiln door 4 is hinged with an access manhole door 10, under the condition that the left kiln door 3 or the right kiln door 4 is not opened, the left kiln door 3 and the right kiln door 4 can enter the kiln head cover 2 through the access manhole door 10, the left kiln door 3 and the right kiln door 4 are designed in a centrosymmetric mode, the seam of the two kiln doors inclines by a certain angle, the gap between the left kiln door 3 and the right kiln door 4 is reduced, meanwhile, the kiln doors do not interfere when rotating, and the kiln doors are opened flexibly.

Further, still including being used for the gap between elastic seal rotary kiln door and the coal injection mouth, make the gap between the two be in encapsulated situation fish scale sealing device 13 all the time when guaranteeing the nozzle adjustment position, all be provided with half circular coal injection mouth on left kiln door 3 and the right kiln door 4, fish scale sealing device installs on the circular coal injection mouth that constitutes after left kiln door 3 and the closed of right kiln door 4, and fish scale sealing device 13 comprises flange and multi-disc slab, the multi-disc the slab equidistance is crisscross to be installed and is formed cylindric sealed section of thick bamboo on the flange.

When the device is used, a kiln door frame 1 is connected with a left kiln door 3 and a right kiln door 4 through a kiln door rotating shaft 5, a pressing device 8 is used for fastening the kiln door when the kiln door is closed, supporting wheels 10 are respectively arranged at the bottoms of the left kiln door 3 and the right kiln door 4, the weight of the kiln door is transmitted to supporting wheel tracks 12, a transparent observation window 9 adopts high-temperature-resistant glass to isolate high-temperature gas in a kiln hood 2, a turnover baffle is arranged in the high-temperature-resistant glass and is made of heat-resistant steel, the turnover baffle is drooped depending on the self gravity under the common condition, when observation is needed, a handle is rotated to open the turnover baffle, the internal condition of the kiln hood can be observed through the high-temperature-resistant glass, a sealing frame 7 is arranged between the left kiln door 3 and the kiln door frame 2, and when the left kiln door 3 is closed, a flexible high-temperature-resistant sealing I71 and a flexible high-temperature-resistant sealing II 72 are tightly pressed in the sealing frame 7, so that a good sealing effect is achieved; right side kiln door 4 is in the same reason, when controlling the kiln door and closing, makes left and right kiln door and kiln door frame 1 closely cooperate through hold-down mechanism for the gap is effectively filled to the flexible high temperature resistant sealing material in the seal frame 7, plays good sealed effect, greatly reduced the cold air scurry into the rotary cement kiln, is unfavorable for the condition of rotary cement kiln work, has avoided high temperature cement heat to flow often from the clearance simultaneously, causes the problem of environmental pollution and production potential safety hazard.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A kiln door device of a rotary cement kiln is characterized in that: including wicket frame, left wicket and right wicket, fixed mounting has quiet half articulated seat on the wicket frame, fixed mounting has on the wicket of a left side moves half free bearing A, fixed mounting has on the wicket of the right side moves half free bearing B, move half free bearing B on the last half free bearing A of moving of left side wicket and the right side wicket and the quiet half articulated seat on the wicket frame pass through the wicket pivot and are connected, form the revolute pair, wicket frame is equipped with sealed frame with the very soft right side wicket seam crossing of left wicket, two cell bodys have been seted up to sealed frame's outer wall, the flexible high temperature resistant sealed pad A of packing that corresponds in two cell bodys and the sealed pad B of flexible high temperature resistant sealed pad.

2. The rotary cement kiln door device as defined in claim 1, wherein: still include the cement kiln hood cover, kiln door frame back fixedly connected with strengthening rib, the strengthening rib welding makes kiln door frame and cement kiln hood cover constitute a sealed whole at cement kiln hood cover surface, has the high temperature resistant coating that prevents the erosion of high-temperature gas to the metal kiln door on left side kiln door and the right side kiln door.

3. The rotary cement kiln door device as defined in claim 1, wherein: install a plurality of kiln door closing device on the kiln door frame, closing device includes pivot, pivot mount pad, screw thread post, clamp plate and carousel, the top and the bottom department at kiln door frame are installed to the pivot mount pad, the pivot is rotated and is installed on the pivot mount pad, perpendicular fixedly connected with screw thread post in the pivot, the clamp plate clearance cup joints on the screw thread post, and the carousel screw thread runs through and installs on the screw thread post.

4. The rotary cement kiln door device as defined in claim 1, wherein: and a transparent observation window convenient for observing the internal working condition of the kiln head cover by naked eyes is arranged on the right kiln door.

5. The rotary cement kiln door device as defined in claim 1, wherein: and the right kiln door is hinged with an access manhole door, and the kiln hood can be accessed into the kiln hood through the access manhole door under the condition that the left kiln door or the right kiln door is not opened.

6. The rotary cement kiln door device as defined in claim 1, wherein: supporting wheels are installed on the lower portions of the left kiln door and the right kiln door, and rails matched with the supporting wheels are installed on the ground.

7. The rotary cement kiln door device as defined in claim 1, wherein: still make the gap between the two be in encapsulated situation fish scale sealing device all the time when guaranteeing the nozzle adjusting position including being used for the gap between elastic seal rotary kiln wicket device and the coal injection mouth, all be provided with the coal injection mouth of semicircle form on left side wicket and the right wicket, fish scale sealing device installs on the circular coal injection mouth that constitutes after left side wicket and the closed of right wicket.