CN220136036U - Temperature constant device for return section of grate bed of grate - Google Patents
Temperature constant device for return section of grate bed of grate Download PDFInfo
- Publication number
- CN220136036U CN220136036U CN202321252567.9U CN202321252567U CN220136036U CN 220136036 U CN220136036 U CN 220136036U CN 202321252567 U CN202321252567 U CN 202321252567U CN 220136036 U CN220136036 U CN 220136036U
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- CN
- China
- Prior art keywords
- grate
- support shaft
- bed
- constant
- heat shield
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- 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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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000011490 mineral wool Substances 0.000 claims description 3
- 239000008188 pellet Substances 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000003723 Smelting Methods 0.000 abstract 1
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 9
- 238000001816 cooling Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to the technical field of iron-smelting pellets in the steel industry, and particularly discloses a temperature constant device for a return stroke section of a grate bed of a chain grate, which comprises a chain grate and a constant-temperature heat shield, wherein the constant-temperature heat shield is arranged at the return stroke section of the grate bed of the chain grate, the bottom of the constant-temperature heat shield is fixed on a support shaft rack of the grate bed, and a support shaft is rotatably arranged on the support shaft rack through a support shaft bearing seat; the temperature constant device of the return section of the grate bed of the grate machine is characterized in that heat shields are manufactured on two sides of the return section of the grate bed of the grate machine, heat is controlled in the return area of the grate bed, and the problem of blocking caused by uneven heat dissipation of the grate bed is reduced; the supporting shaft bearing seat is isolated from the return section of the grate bed by the heat shield, so that the environmental temperature of the bearing seat is reduced, and the rise of equipment maintenance cost is avoided.
Description
Technical Field
The utility model relates to the technical field of iron-making pellets in the steel industry, in particular to a temperature constant device for a return stroke section of a grate bed of a grate machine.
Background
The grate is used as necessary equipment for conveying green pellets to the rotary kiln for roasting, meanwhile, the drying and preheating work of the green pellets are carried, and corresponding environments are provided for broken pellets and dust stripping links in pellets. There are the following problems:
1. the grate bed has the problem of blocking caused by non-uniform cooling speed of each component part in the return stage.
2. When the grid plate is blocked, the hammer is required to be used for knocking and returning manually, so that the risk of uneven stress damage and personnel scalding of the grid plate is easily caused.
3. The problem of weld cracking is aggravated by the baffle rings on the two sides of the grate bed due to thermal expansion and cold contraction, and the operation frequency is increased due to the need of manual welding repair (replacement), so that the labor intensity of personnel is increased.
4. The grate bed return stroke section support shaft bearing seat is baked at high temperature for a long time by the grate bed, internal grease is diluted and flows out, the frequency of lard is required to be increased, the maintenance cost of the bearing is increased, meanwhile, the flowing grease has ignition risk, and the potential safety hazard is increased.
Therefore, the design of the temperature constant device of the return section of the grate bed of the grate machine is urgently needed to solve the problem that the use of the support shaft bearing seat is affected by the high temperature of the return section of the existing grate bed.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a temperature constant device for a return section of a grate bed of a grate.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a constant temperature device of grate bed return stroke section of chain grate, includes chain grate and constant temperature heat exchanger, the grate bed return stroke section of chain grate installs constant temperature heat exchanger, and constant temperature heat exchanger bottom is fixed in the support axle frame of grate bed, rotates the installation support axle through the support axle bearing frame in the support axle frame.
Specifically, the constant temperature heat shield is equipped with two and installs respectively in the both sides of comb bed, and constant temperature heat shield bottom is equipped with the recess of falling "U" type, and the recess of falling "U" type is detained on holding in the palm the epaxially, holds in the palm the outside of axle bearing frame setting at constant temperature heat shield, and constant temperature heat shield separates comb bed return section and holds in the palm the axle bearing frame.
Specifically, the constant temperature heat shield adopts the bilayer structure of inlayer rock wool and outer steel sheet.
Specifically, the support shaft bearing seat is fixed on the support shaft rack through bolts.
The utility model has the following beneficial effects:
the temperature constant device of the return section of the grate bed of the grate machine is characterized in that heat shields are manufactured on two sides of the return section of the grate bed of the grate machine, heat is controlled in the return area of the grate bed, and the problem of blocking caused by uneven heat dissipation of the grate bed is reduced; the supporting shaft bearing seat is isolated from the return section of the grate bed by the heat shield, so that the environmental temperature of the bearing seat is reduced, and the rise of equipment maintenance cost is avoided.
Drawings
FIG. 1 is a schematic diagram of the oil circuit structure of the grate bed return temperature constant device.
In the figure: 1-a constant temperature heat shield; 2-supporting shaft bearing seats; 3-an inverted U-shaped groove; 4-a grate; 5-grate bed.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the temperature constant device for the return section of the grate bed of the chain grate comprises a chain grate 4 and a constant temperature heat shield 1, wherein the constant temperature heat shield 1 is arranged at the return section of the grate bed 5 of the chain grate 4, the bottom of the constant temperature heat shield 1 is fixed on a support shaft frame of the grate bed 5, and a support shaft is rotatably arranged on the support shaft frame through a support shaft bearing seat 2. The support shaft bearing seat 2 is fixed on the support shaft rack through bolts.
The constant temperature heat shield 1 is provided with two sides which are respectively arranged on the grate bed 5, the bottom of the constant temperature heat shield 1 is provided with an inverted U-shaped groove 3, the inverted U-shaped groove 3 is buckled on the support shaft, the support shaft bearing seat 2 is arranged outside the constant temperature heat shield 1, and the constant temperature heat shield 1 separates the return stroke section of the grate bed 5 from the support shaft bearing seat 2.
Embodiments of the utility model: the constant temperature heat shield 1 adopts a double-layer structure of inner rock wool and outer steel plates. The constant temperature heat shield 1 isolates the return section of the grate bed 5 from the support shaft bearing seat 2, so that the environmental temperature of the support shaft bearing seat 2 is reduced.
1. The problem of the grate bed 5 have each component cooling rate non-uniform to lead to blocking in the return journey stage is solved.
2. The problem that the grate plate is blocked due to uneven cooling is solved, and the risk that the grate plate is damaged due to uneven stress and personnel are scalded due to the fact that a large hammer is used for knocking manually is avoided.
3. The problem that the welded junction cracks are aggravated due to expansion with heat and contraction with cold of the baffle rings at the two sides of the grate bed 5 is solved, the operation frequency of personnel is reduced, and the labor intensity of the personnel is relieved.
4. Fully keep apart the return stroke section of comb bed 5 with hold in palm axle bearing frame 2, reduce the temperature of holding in the palm axle bearing frame 2 environment, avoid equipment maintenance cost to rise the emergence of problem and the grease that flows to have the ignition risk problem.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (4)
1. The temperature constant device for the return section of the grate bed of the chain grate is characterized by comprising the chain grate and a constant-temperature heat shield, wherein the constant-temperature heat shield is arranged at the return section of the grate bed of the chain grate, the bottom of the constant-temperature heat shield is fixed on a support shaft frame of the grate bed, and a support shaft is rotatably arranged on the support shaft frame through a support shaft bearing seat.
2. The constant temperature device of the return section of the grate bed of the chain grate machine according to claim 1, wherein the constant temperature heat shield is provided with two heat shields which are respectively arranged on two sides of the grate bed, the bottom of the constant temperature heat shield is provided with an inverted U-shaped groove, the inverted U-shaped groove is buckled on the support shaft, the support shaft bearing seat is arranged outside the constant temperature heat shield, and the constant temperature heat shield separates the return section of the grate bed from the support shaft bearing seat.
3. The device for keeping the temperature of the return section of the grate bed constant according to claim 2, wherein the constant temperature heat shield adopts a double-layer structure of inner rock wool and outer steel plates.
4. The device for keeping the temperature of the return section of the grate bed constant according to claim 1, wherein the support shaft bearing seat is fixed on the support shaft frame through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321252567.9U CN220136036U (en) | 2023-05-23 | 2023-05-23 | Temperature constant device for return section of grate bed of grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321252567.9U CN220136036U (en) | 2023-05-23 | 2023-05-23 | Temperature constant device for return section of grate bed of grate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136036U true CN220136036U (en) | 2023-12-05 |
Family
ID=88949933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321252567.9U Active CN220136036U (en) | 2023-05-23 | 2023-05-23 | Temperature constant device for return section of grate bed of grate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136036U (en) |
-
2023
- 2023-05-23 CN CN202321252567.9U patent/CN220136036U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |