CN220667375U - Novel manhole door of cement clinker line preheater - Google Patents
Novel manhole door of cement clinker line preheater Download PDFInfo
- Publication number
- CN220667375U CN220667375U CN202321868931.4U CN202321868931U CN220667375U CN 220667375 U CN220667375 U CN 220667375U CN 202321868931 U CN202321868931 U CN 202321868931U CN 220667375 U CN220667375 U CN 220667375U
- Authority
- CN
- China
- Prior art keywords
- manhole door
- hinge
- door
- cement clinker
- manhole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004568 cement Substances 0.000 title claims abstract description 19
- 238000007689 inspection Methods 0.000 claims abstract description 8
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 12
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- Hinges (AREA)
Abstract
The utility model discloses a novel inspection manhole door of a cement clinker line preheater, which relates to the technical field of cement clinker production equipment and comprises a manhole door and an equipment body, wherein one side of the manhole door is hinged with a hinge I, one end of the hinge I is hinged with a hinge II, one end of the hinge II is hinged on a mounting seat, one side of the manhole door is provided with a convex block, the mounting seat is arranged on the side wall of the equipment body, the manhole door is provided with a groove at the convex block, a heat insulation sealing ring is arranged in the groove, a plurality of locking plates are arranged at the side edge of one side of the manhole door, and the equipment body is provided with a bolt column matched with the locking plates. According to the utility model, the locking plate is locked on the bolt column through the convex blocks inserted in the door entrance hole, and the gap between the manhole door and the door entrance hole is sealed by matching with the heat insulation sealing ring, so that the problem of air leakage is solved, the manhole door is supported through the hinge I and the hinge II when being pulled out and opened from the door entrance hole, the potential safety hazard is reduced, and the hinge I and the hinge II place one side of the manhole door so as to be convenient to overhaul.
Description
Technical Field
The utility model relates to the technical field of cement clinker production equipment, in particular to a novel inspection manhole door of a cement clinker line preheater.
Background
The key technology of the cement clinker suspension preheater system is provided with a cyclone, a connecting air pipe (heat exchange pipeline), a decomposing furnace, a rotary kiln and a grate cooler (for short, barrel-pipe-furnace-kiln-machine). The five groups of key technical equipment are integrated into a whole, are mutually related and mutually restricted to form a complete thermal system and bear the tasks of cement clinker preheating, decomposing, calcining and cooling. Meanwhile, the cement clinker line clinker suspension preheater system is thermal equipment operated by negative pressure, if the sealing is not tight, cold air is easy to leak in, the exhaust gas amount of the system is increased, the air flow temperature is reduced, and the heat exchange efficiency is further reduced, however, the condition that air leakage occurs easily in manhole doors which are installed and overhauled at all positions on the preheater is troublesome for the whole cement industry, and meanwhile, when an old-fashioned access door is detached, personnel are required to lift out, the operation is not easy, and the potential safety hazard is large. Therefore, a new manhole door for a cement clinker line preheater is needed to solve the above problems.
Disclosure of Invention
The utility model aims to provide a novel inspection manhole door of a cement clinker line preheater, which aims to solve the defects caused by the prior art.
The utility model provides a novel manhole door of cement clinker line pre-heater, includes manhole door and equipment body, one side of manhole door articulates there is hinge one, hinge one's one end articulates there is hinge two, hinge two's one end articulates on the mount pad, one side of manhole door is equipped with the lug, the mount pad is installed on the lateral wall of equipment body, the manhole door is located the lug side and is equipped with the recess, install thermal-insulated sealing washer in the recess, a plurality of locking board is installed along the side of manhole door one side, the bolt post that the cooperation locking board used is installed to the equipment body.
Preferably, the equipment body is provided with a door entrance hole, and the protruding block is inserted into the door entrance hole.
Preferably, the first hinge and the second hinge are respectively provided with a weight reduction groove.
Preferably, handles are symmetrically arranged on one side of the manhole door.
Preferably, the locking plate is locked on the bolt post by a nut.
The utility model has the advantages that: according to the utility model, the locking plate is locked on the bolt column through the convex blocks and matched with the heat insulation sealing ring to seal the gap between the manhole door and the entrance hole, so that the problem of air leakage is solved, meanwhile, the manhole door is supported through the hinge I and the hinge II when the manhole door is pulled out from the entrance hole to be opened, the potential safety hazard is reduced, and the manhole door is placed on one side of the entrance hole through the hinge I and the hinge II, so that the manhole door is easy to overhaul and operate.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of the extraction manhole door of the present utility model.
Fig. 3 is a schematic view of the structure of the bump side of the manhole door of the present utility model.
Fig. 4 is a schematic structural view of the manhole door and heat insulation sealing ring assembly position of the utility model.
Wherein: 1-a manhole door; 2-an equipment body; 3-hinge one; 4-a second hinge; 5-mounting seats; 6-bump; 7-grooves; 8-a heat-insulating sealing ring; 9-locking plates; 10-bolting the column; 11-entering a door hole; 12-a weight-reducing tank; 13-handle.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 4, a novel inspection manhole door of cement clinker line pre-heater comprises a manhole door 1 and an equipment body 2, wherein one side of the manhole door 1 is hinged with a hinge I3, one end of the hinge I3 is hinged with a hinge II 4, one end of the hinge II 4 is hinged on a mounting seat 5, one side of the manhole door 1 is provided with a bump 6, the mounting seat 5 is mounted on the side wall of the equipment body 2, the manhole door 1 is provided with a groove 7 on the side of the bump 6, a heat insulation sealing ring 8 is mounted in the groove 7, a plurality of locking plates 9 are mounted on the side edge of one side of the manhole door 1, and a bolt column 10 matched with the locking plates 9 is mounted on the equipment body 2.
In this embodiment, the device body 2 is provided with a door access hole 11, and the bump 6 is inserted into the door access hole 11. The lug 6 is inserted into the door entrance hole 11, a gap is formed between the lateral direction of the lug 6 and the door entrance hole 11, the air outlet quantity is reduced, and meanwhile, the gap between the manhole door 1 and the equipment body 2 and the gap between the lateral direction of the lug 6 and the door entrance hole 11 are sealed through the heat insulation sealing ring 8, so that the air leakage problem is solved.
In this embodiment, the first hinge 3 and the second hinge 4 are provided with weight-reducing grooves 12. The weight reducing groove 12 reduces the weight of the hinge I3 and the hinge II 4, and simultaneously, an operator can conveniently pass the arm through the weight reducing groove 12 and hold the arm on the handle 13 at the bending side of the hinge I3 and the hinge II 4, and then the manhole door 1 is pulled out from the door inlet 11 through double-hand operation.
In this embodiment, handles 13 are symmetrically installed at one side of the manhole door 1. The handles 13 are symmetrically provided with two groups.
In this embodiment, the locking plate 9 is locked to the bolt post 10 by a nut. The locking plate 9 is provided with a U-shaped bayonet, the bolt column 10 passes through the bayonet, and the nut bolt is arranged on the bolt column 10 and locked through the bayonet.
The working principle of the utility model is as follows: the first hinge 3 and the second hinge 4 are in running fit to enable the protruding block 6 to be opposite to the access door hole 11, the protruding block 6 is inserted into the access door hole 11, the heat insulation sealing ring 8 is attached to the side wall of the equipment body 2, the gap between the manhole door 1 and the equipment body 2 is sealed by the heat insulation sealing ring 8, the lateral direction of the protruding block 6 and the access door hole 11 form a gap, the bolt column 10 penetrates through the bayonet of the locking plate 9 and is fixed through bolts, during maintenance, the nut is disassembled, the protruding block 6 of the manhole door 1 is pulled out of the access door hole 11 through the handle 13, the first hinge 3 and the second hinge 4 are rotated to enable the manhole door 1 to be placed on one side of the access door hole 11 of the equipment body 2, and personnel can conveniently enter the equipment body 2 from the access door hole 11 to carry out maintenance.
According to the utility model, the locking plate 9 is locked on the bolt post 10 through the nut and matched with the heat insulation sealing ring 8 to seal the gap between the manhole door 1 and the manhole door 11 through the bump 6 inserted in the manhole door 11, so that the problem of air leakage is solved, meanwhile, when the manhole door 1 is pulled out from the manhole door 11 to be opened through the hinge I3 and the hinge II 4, the manhole door 1 is supported, the potential safety hazard is reduced, and the manhole door 1 is placed on one side of the manhole door 11 through the hinge I3 and the hinge II 4, so that the overhaul operation is easy.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (5)
1. A novel manhole door of cement clinker line preheater which characterized in that: including manhole door (1) and equipment body (2), one side of manhole door (1) articulates there is hinge one (3), the one end of hinge one (3) articulates there is hinge two (4), the one end of hinge two (4) articulates on mount pad (5), one side of manhole door (1) is equipped with lug (6), mount pad (5) are installed on the lateral wall of equipment body (2), manhole door (1) are located lug (6) side and are equipped with recess (7), install heat-proof seal circle (8) in recess (7), a plurality of locking plate (9) are installed along the side edge of manhole door (1) one side, bolt post (10) that cooperation locking plate (9) used are installed to equipment body (2).
2. The novel inspection manhole door of a cement clinker line preheater as set forth in claim 1, wherein: the equipment body (2) is provided with a door inlet hole (11), and the protruding block (6) is inserted into the door inlet hole (11).
3. The novel inspection manhole door of a cement clinker line preheater as set forth in claim 1, wherein: the hinge I (3) and the hinge II (4) are respectively provided with a weight reduction groove (12).
4. The novel inspection manhole door of a cement clinker line preheater as set forth in claim 1, wherein: handles (13) are symmetrically arranged on one side of the manhole door (1).
5. The novel inspection manhole door of a cement clinker line preheater as set forth in claim 1, wherein: the locking plate (9) is locked on the bolt column (10) through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868931.4U CN220667375U (en) | 2023-07-17 | 2023-07-17 | Novel manhole door of cement clinker line preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321868931.4U CN220667375U (en) | 2023-07-17 | 2023-07-17 | Novel manhole door of cement clinker line preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667375U true CN220667375U (en) | 2024-03-26 |
Family
ID=90341475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321868931.4U Active CN220667375U (en) | 2023-07-17 | 2023-07-17 | Novel manhole door of cement clinker line preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667375U (en) |
-
2023
- 2023-07-17 CN CN202321868931.4U patent/CN220667375U/en active Active
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