CN207556289U - Clinker adverse current low-resistance cooler - Google Patents
Clinker adverse current low-resistance cooler Download PDFInfo
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- CN207556289U CN207556289U CN201721492257.9U CN201721492257U CN207556289U CN 207556289 U CN207556289 U CN 207556289U CN 201721492257 U CN201721492257 U CN 201721492257U CN 207556289 U CN207556289 U CN 207556289U
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- clinker
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Abstract
A kind of clinker adverse current low-resistance cooler of cement manufacture plant technical field, including the upper cooling storehouse, lower cooling storehouse and discharge bin being tightly connected from top to bottom, the upper cooling storehouse connect in silo roof with seal of rotary kiln, spaced crusher and grid component is equipped on one horizontal plane of orlop, and the lower cooling storehouse is equipped with ventilation interlayer on top, several air grooves are evenly equipped in bottom；Corresponding to grid component, the ventilation interlayer is equipped with several exhaust outlets being vertically arranged；The cooling air flowed from bottom to top of the air groove remittance cooling air, clinker and remittance countercurrent flow in each cooling storehouse.The utility model is by multilayer cooling storehouse setting up and down and is subject to chamotte crushing so as to fulfill cooling down stage by stage, can greatly improve two, three times air temperature, reduces cooling air volume and reduces temperature when clinker goes out cooler, improves the cooling efficiency of clinker.
Description
Technical field
The utility model relates to a kind of technology of field of cement production equipment, specifically a kind of clinker adverse current is low
Hinder cooler.
Background technology
Cement clinker cooler is one of important equipment in clinker production, it carries ripe to the high temperature of rotary kiln
Material is quickly cooled down, heat recovery and transport effect.The properties of clinker can be improved and improve by being quickly cooled down, and recycling high temperature is ripe
Contained a large amount of heat in material improves two, three times air temperature, reduces sinter leaching heat consumption, prevent dust environmental pollution, reduces
Enterprise's production cost；Be conducive to the transport and storage of clinker after high temperature chamotte cooling simultaneously.
The cooling device of clinker at present mainly uses grate cooler and rotation drum type cooling machine.
Grate cooler, cooling air pass through accumulation both clinker layers, solid and gas that can be in close contact heat exchange, realize high temperature chamotte
Chilling, provide two, tertiary air up to 900~1000 DEG C, go out cooler temperature be no more than 65 DEG C of environment temperature.But because of solid and gas
The direction of motion is at a right angle, it is necessary to use more cooling air volume, the lingering remnants of past customs be caused to take away a large amount of heats not utilized, and increase
Environmental protection investments, the thermals efficiency such as corresponding dedusting only have 60%~75%, in order to which the cooling air for making entire grate face is mixed with the bed of material
It closes uniformly, avoids clinker air flow shortcircuit in pushing course, so considerably increasing the ventilation resistance ratio of grate plate, improve cold
But wind pressure, in addition cooling air volume is more than two tertiary air required air quantities, therefore power consumption is up to 5~6kWh/kgcl.
Rotation drum type cooling machine, since the contact surface area of clinker and cooling air is few, it is difficult to realize the rapid of clinker
It is cold, influence the quality of clinker, two, wind-warm syndrome is too low three times, the cooling thermal efficiency is low, and only 40%~60%, go out the clinker temperature of cooler
Degree is up to 220 DEG C or more.
Utility model content
The utility model is directed to deficiencies of the prior art, it is proposed that a kind of clinker adverse current low-resistance cooling
Machine by multilayer cooling storehouse setting up and down and is subject to chamotte crushing so as to fulfill cooling down stage by stage, can greatly improve two, three
Secondary air temperature reduces cooling air volume and reduces temperature when clinker goes out cooler, improves the cooling efficiency of clinker.
The utility model is achieved through the following technical solutions：
The utility model includes the upper cooling storehouse, lower cooling storehouse and the discharge bin that are tightly connected from top to bottom, so as to clinker
It is cooled down stage by stage, improves cooling efficiency.
It is connected at the top of upper cooling storehouse with rotary kiln discharge port, rotary kiln discharge port is equipped with cloth tongue, and cloth tongue spreads clinker
It falls on the bed of material of upper cooling storehouse.Not only temperature is high for the clinker of firm kiln discharge, and granular size it is uneven in addition have bulk clinker or
With bulk kliner coating, thus need further break process so that clinker granularity reduces and relatively uniform cooled down with raising is imitated
Rate, therefore the utility model sets several oppositely rolling roller crushers in upper cooling storehouse bottom, to the large scale of lower cooling storehouse will be entered
Clinker is further crushed.Do not consider to carry out broken original to the clinker that rotary kiln produces in other height and positions of upper cooling storehouse
Because be it is various, it is most important the reason is that the kibbler roll roll shaft roller set applied in actual production at present can be born most
High-temperature is only between 500~600 DEG C, and just the clinker temperature of kiln discharge is significantly larger than the temperature.The utility model breaks roll-type
Broken machine is arranged on cooling storehouse bottom, and high temperature chamotte is allowed fully to exchange heat with cooling air in upper cooling storehouse cooling, waits to fall to
When at crusher roll shaft, clinker temperature is down to roll shaft roller set and allows the temperature born, and can meet job requirements.
The clinker on the upper cooling storehouse bed of material is scattered through cloth tongue, is exchanged heat with the cooling air from lower cooling storehouse,
Heat exchange method is similar to grate cooler.If being only considered as kibbler roll in the orlop of upper cooling storehouse, sky between roll shaft is utilized
The air flowed up in gap is cooled down, because the area in gap between roll shaft only accounts for the 5%~10% of roll shaft horizontal projected area,
The requirement of cooling tolerance can not be met the flow that cooling air is improved even if using very high air pressure.Therefore the utility model exists
Spaced grid component is equipped on the basis of kibbler roll, breathing area is increased by the gap between grizzly bar, is reduced
Resistance increases cooling air delivery, to improve cooling efficiency.
Preferably, grid component main body is in triangular prism shape, including horizontal grate and is inclined on horizontal grate
Water conservancy diversion grid.In horizontal grate the nominal maximum discharging-material size of crusher, typically less than crusher are smaller than between grizzly bar
The half of nominal maximum discharging-material size, the maximum discharging nominal no more than crusher of spacing in water conservancy diversion grid between grizzly bar
Granularity, while water conservancy diversion grid is more than the natural angle of repose of clinker relative to the angle of inclination of horizontal grate.Can thus it make
Large scale clinker, which is voluntarily slid under the effect of gravity into kibbler roll, to be crushed, and clinker is made to reach the granularity of requirement, is avoided big
Size clinker accumulates the dead material of formation on horizontal grate；It simultaneously can be more uniform by granularity between horizontal grate and water conservancy diversion grid
Clinker is full of, and ensure that drag uniform when the cooling air from lower cooling storehouse passes through the bed of material of upper cooling storehouse so that on
The clinker of different location can be with cooling air uniform heat exchange in cooling storehouse.
Various shapes may be used in upper cooling storehouse, and generally using rectangular, rectangle or circular prism-frustum-shaped, bottom surface is big, on
Open area is small；Upper open area is small, and the clinker fallen by cloth tongue bed of material height difference caused by sedimentation is small, thickness of feed layer
Also just uniformly；The low cooler of clinker can also use tubular, i.e. floor space is identical with sectional area suitable for reading.
When cooling clinker does not freely fall into lower cooling storehouse through crushing completely, wave-like is formed on the surface of the bed of material, is caused
Thickness of feed layer is irregular, and thickness difference can cause the cooling air stream in the bed of material at different location in lower cooling storehouse up to more than 30%
It measures uneven.Ventilation interlayer is thus set in lower cooling storehouse on the lower cooling storehouse thickness of feed layer of setting.Ventilation interlayer is set
There is the horizontal air flue of several columns, vertical exhaust outlet is connected between the adjacent horizontal air flue of two row, exhaust outlet is corresponding with grid component,
It respectively arranges that horizontal air flue is corresponding with kibbler roll roller clearance, is equipped with and falls between two neighboring in the several horizontal air flues of same row
Expect gap.
Preferably, horizontal air flue longitudinal direction is vertical with the axial projection in the horizontal plane of kibbler roll roll shaft, blanking gap
It is distributed between horizontal air flue.Uniformly distributed blanking gap causes can after falling through the clinker of kibbler roll in cooling storehouse
Natural packing is in lower cooling storehouse, when ensure that the cooling air entered from lower cooling storehouse bottom passes through lower cooling storehouse clinker, under
The thickness of feed layer of various loci is essentially identical in cooling storehouse, and air passes through the resistance of the bed of material essentially identical, ensures in lower cooling storehouse
The cooling velocity of clinker is essentially identical, non-uniform is not influenced by the thickness of feed layer of accumulation wavy surface.
The smaller clinker of granularity obtained through roll crushing crusher machine increases specific surface area, is conducive to improve cooling effect
Rate.The utility model sets several air grooves being connected with wind turbine in lower cooling storehouse orlop, under at least one end stretching of air groove
Cooling storehouse, so that the cooling air that wind turbine blasts can equably be exchanged heat by air groove with the clinker in lower cooling storehouse.
The width of air groove is considered as the height in Si Liao areas above the size and air groove of input air amount, the height in general Si Liao areas
No more than the 30% of thickness of feed layer.
Air groove is provided with air grid, and it can also be arc that the shape of grizzly bar, which can be horizontal structure, in air grid
Structure.Air grid is equipped with side plate so as to form air intake passage along air inlet direction in both sides；Between two adjacent air grooves
There are gaps, and discharge bin is fallen into from gap so as to the clinker of cooling.
Preferably, the spacing between adjacent air groove is more than 50mm, the thickness less than the bed of material in lower cooling storehouse storehouse, same to space-time
The width of air drain is less than clinker layer thickness in storehouse, and grizzly bar spacing is typically less than the nominal maximum discharging grain of crusher in air grid
Spend half.
Preferably, lower cooling storehouse is stretched out at the both ends of air groove, and cooling air is each in air intake passage after wind turbine blasts
Place's pressure is essentially identical, and cooling velocity, the blanking speed for controlling lower cooling storehouse different location clinker are consistent.
During clinker cooling, the thickness of each bed of material in cooling storehouse and lower cooling storehouse need to be maintained to stablize, so as to clinker
Reach the target temperature of cooling in each cooling storehouse.In order to which thickness of feed layer is maintained to be basically unchanged, kibbler roll blanking speed etc.
With the addition speed of clinker, according to preset thickness of feed layer, clinker enters cooling storehouse velocity-stabilization, when reaching kibbler roll roll shaft
The temperature of clinker is then controllable.The clinker of firm kiln discharge falls to thickness of the time length depending on the bed of material of crusher；It is general to pass through
The cooling of 15~20min, clinker temperature can be down to 500 DEG C it is even lower.
Clinker is cooled down through lower cooling storehouse, reach cooling target temperature after from air groove blanking gap flow into discharge bin, in order to
It reduces discharge bin height and makes the whole section range uniform blanking of lower cooling storehouse orlop, discharge bin is made of multiple prismatic table shape storehouses；
Discharge valve and two pass lock wind weighing hopper are set in discharge bin bottom, it can the cooling storehouse bed of material be thick under holding by multiple discharge valves
On the basis of degree, lower cooling storehouse bed of material entirety even drop down is controlled.
Upper cooling silo wall, lower cooling silo wall, discharge bin, ventilation interlayer, grid component and air in the utility model
Slot is made of metal, and cools down be equipped on the inside of silo wall using heat-resisting and insulation made of nonmetallic materials above and below
Layer.
Technique effect
Compared with prior art, stacking states clinker is contacted with the air-tight moved from bottom to top in the utility model,
Whole process countercurrent flow can be achieved, air drag is small, and heat exchange efficiency is high, and the thermal efficiency is more than 92%；The utility model can be to big
Size clinker is crushed, and is accelerated clinker heat exchange, is shortened Exotherm Time, the time that clinker is cooled to 900 DEG C from 1400 DEG C does not surpass
6min is crossed, the time for being cooled further to 500 DEG C no more than 18min, is cooled to the time of discharge temp no more than 18min；
The utility model is small, adapts to the transformation of old production line and the production of any production scale clinker；In addition the utility model removes
Outside crusher and discharge valve, few mechanically or hydraulically transmission parts not only improve cooling efficiency, but also substantially reduce operation maintenance
Cost.
Description of the drawings
Fig. 1 is the front section view of the utility model；
Fig. 2 is the side sectional view of the utility model；
Fig. 3 is upper cooling storehouse orlop structure top view in the utility model；
Fig. 4 is lower cooling storehouse orlop structure top view in the utility model；
Fig. 5 is interlayer vertical view of ventilating in the utility model；
In figure：Rotary kiln 1, kiln head cover 2, tertiary-air pipe 3, cloth tongue 4, kibbler roll 5, grid component 6, ventilation interlayer
7th, air groove 8, discharge valve 9, two pass lock wind weighing hopper 10, upper cooling storehouse 11, lower cooling storehouse 12, discharge bin 13, horizontal grate 61,
Water conservancy diversion grid 62.
Specific embodiment
The high temperature chamotte of natural packing, the key factor of solid and gas heat exchange cooling include：Clinker and cooling air it is close
Exposure level, the specific surface area size and its Exotherm Time of clinker, the heat absorption capacity of cooling air and heat absorption time, solid and gas temperature
Difference, clinker and cooling air volume ratio.
Above-mentioned factor is followed, for producing the production line of 5000 tons of clinkers daily, the utility model is done with reference to attached drawing
It is further to be described in detail：
Clinker kiln discharge temperature and cooling requirement：It is 58kg/s to need to cool down clinker quantity, and kiln discharge enters cooler clinker temperature
1400 DEG C, clinker goes out cooler temperature 65 DEG C+environment temperatures of ＜.
The basic structure and size of the present embodiment are as follows：
1) cooling storehouse 11 on：Top horizontal sectional dimension 3.0m × 4.5m, orlop bottom surface horizontal cross section dimension 4.2m ×
6.4m, effective height 2.4m in storehouse, totally 4 pairs, roll shaft diameter 500mm of kibbler roll 5, nominal maximum discharging-material size are
25mm, gross area 0.77m × 4.2m × (3+0.5+0.5) group=12.94m of horizontal grate 612；
2) cooling storehouse 12 under：Horizontal cross section dimension 4.2m × 6.4m, effective height 2m in storehouse, air groove 8 totally 16, every
Wide 240mm, long 4.2m, the side plate height 400mm of air groove 8, spacing is 150mm between each air groove 8；
3) discharge bin 13：Discharge port totally 6, is uniformly arranged, and the full-size of horizontal cross-section is 2.1m × 2.13m, highly
2.5m。
4) duty parameter：It is 2.0m that upper cooling storehouse 11, which keeps thickness of feed layer, and it is 1.2m that lower cooling storehouse 12, which keeps thickness of feed layer,
Cooling air quantity is 0.9Nm3/ kgcl, upper cooling storehouse air outlet velocity about 20.13m/s, the drop temperature of rotary kiln 1 is 1400 DEG C,
Temperature is 480 DEG C at 5 roll shaft of kibbler roll, and bed of material upper surface temperature is 480 DEG C in lower cooling storehouse 12, ripe in upper cooling storehouse 11
Material cooling time is 16.9min, and the clinker cooling time is 13.5min in lower cooling storehouse 12, discharge port clinker temperature 65 DEG C+rings of ＜
Border temperature.
Before the present embodiment newly comes into operation, room temperature clinker or other granular materials should be filled up in discharge bin 13 and filling
The thickness of feed layer of cooling storehouse 11, lower cooling storehouse 12 to setting, i.e. 11 thickness of feed layer of upper cooling storehouse are 2.0m, 12 bed of material of lower cooling storehouse
Thickness is 1.2m, ensures that kibbler roll 5, grid component 6, air groove 8 etc. are not damaged by high temperature chamotte, upper cooling storehouse 11 with
The kiln head cover 2 of rotary kiln 1 is tightly connected, and ensures that two, tertiary air can fully enter rotary kiln 1 and tertiary-air pipe 3, such as Fig. 1 and Fig. 2
It is shown.
The high temperature chamotte of kiln discharge is freely fallen on cloth tongue 4, buffered to be distributed on 11 bed of material surface of cooling storehouse, upper
11 bed of material upper surface of cooling storehouse forms natural packing, and due to high temperature chamotte angle of repose very little, about 13 °, bed of material surface height difference is less than
The 10%~15% of thickness of feed layer, thickness of feed layer is substantially uniform.
Clinker is fallen into lower cooling storehouse 12 by kibbler roll 5 in upper cooling storehouse 11, different-grain diameter size it is ripe
Material is all fallen into through 62 water conservancy diversion of water conservancy diversion grid in the roller clearance of kibbler roll 5, and lower cooling storehouse 12 is fallen into through broken, such as Fig. 1 and
Shown in Fig. 3.Clinker stops 16.9min in upper cooling storehouse 5, need to only measure the temperature of clinker at roller bearing, allow no more than roll shaft
Maximum temperature can run for a long time.Thickness of feed layer can also be adjusted by the operating of kibbler roll 5 in upper cooling storehouse 11
Section.
The thickness of feed layer of cooling storehouse 11 is exactly the cooling time for controlling clinker in upper cooling storehouse 11 in control, is detected simultaneously
2nd, air temperature three times, can more fine-tune cooling effect accordingly.
As shown in Figure 1 and Figure 5, it is an interstice coverage above the bed of material in lower cooling storehouse 12, interstice coverage is equipped with ventilation interlayer 7, and one
Aspect realizes that gas is pressed in interstice coverage, and on the other hand there are adjusting of the space as lower 12 thickness of feed layer of cooling storehouse to be used, and makes
Lower 12 thickness of feed layer of cooling storehouse tends to be uniform, so as to which air penetration materialbeds comminution is basically identical.
The pressure of interstice coverage is not more than 4200Pa, herein 330~380 DEG C of cooling air temperature；Cooling air flows up,
The bed of material in upper cooling storehouse 11 is upward through by gap between the grid component 6 and roll shaft of upper 11 orlop of cooling storehouse, gas continue with
Clinker, which is in close contact, in upper cooling storehouse 11 carries out heat exchange.
When thickness of feed layer is 1.2m, clinker is 13.5min in the residence time of lower cooling storehouse 12.As shown in Figure 1 and Figure 4,
Clinker flows downwardly into discharge bin 13 under Gravitative Loads, from the gap of air groove 8, and Clinker Flow speed is locked wind by two pass and measured
Bucket 10 is measured and is controlled by discharge valve 9.
Clinker is to flow from top to bottom, and cooling air then flows from lower to upper.Cooling air is air under natural environment, just
30 DEG C of beginning temperature, cooling air volume 0.9Nm3/ kgcl enters from 8 both ends of air groove of lower cooling storehouse 12, from air groove 8
Top grid flows into the bed of material.The state of the bed of material is similar to the material layer state of grate cooler in lower cooling storehouse 12, is nature heap
Product, but the bed of material of lower cooling storehouse 12 is more uniform than the material layer state of grate cooler.Grate cooler is during clinker is pushed, office
Portion easily forms short-circuit of air, to improve resistance uniformity, need to improve the air drag of grate plate itself, and clinker in the present embodiment
Movement flows downward process than more uniform under natural packing state there is no pushing, and air passes through the bed of material bottom-up, and ripe
Expect that particle is in close contact heat exchange；In the above process, resistance mostlys come from the bed of material, the resistance very little of grid, so materialbeds comminution
Resistance than grate plate charging layer in grate cooler is much smaller.By taking bed of material thickness 1.2m in cooling storehouse under the present embodiment 12 as an example, material
Layer resistance about 2000Pa, the air pressure of input are less than 6200Pa, and the pressure of the interstice coverage above the lower cooling storehouse bed of material is not more than
4200Pa。
The present embodiment has the ability for adapting to the fluctuation of clinker particles state, can be by adjusting upper cooling storehouse 11, lower cooling
The thickness of feed layer in storehouse 12 and cooling time so that clinker temperature meets processing temperature requirement at roll shaft；Required cooling air quantity is little
In 0.9Nm3/kg·cl；Cooling air pressure is less than 6200Pa；Power consumption is less than 3.5kWh/kgcl；Go out cooler two,
The gas temperature of tertiary air is at 1100 DEG C or more or even up to 1200 DEG C；Temperature at clinker during cooler is not higher than environment temperature
65℃.The present embodiment adapts to cement clinker particles size unevenness, the rotary kiln cement clinker production line for adapting to any scale.
It is emphasized that：The above is only the preferred embodiment of the present utility model, and not the utility model is appointed
What formal limitation, every any simple modification made according to the technical essence of the utility model to above example, etc.
With variation and modification, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of clinker adverse current low-resistance cooler, which is characterized in that including be tightly connected from top to bottom upper cooling storehouse, under
Cooling storehouse and discharge bin, the upper cooling storehouse connect in silo roof with seal of rotary kiln, interval are equipped on one horizontal plane of orlop
The crusher and grid component of setting, the lower cooling storehouse are equipped with ventilation interlayer on top, several air are evenly equipped in bottom
Slot；Corresponding to grid component, the ventilation interlayer is equipped with several exhaust outlets being vertically arranged；
The cooling air flowed from bottom to top of the air groove remittance cooling air, clinker and remittance is in each cooling storehouse
Middle countercurrent flow.
2. clinker adverse current low-resistance cooler according to claim 1, it is characterized in that, the spaced crusher
In grid component：
Crusher uses kibbler roll, and at least setting is a pair of；
Grid component includes horizontal grate and the water conservancy diversion grid being inclined on horizontal grate, the ventilation of the horizontal grate
Area is more than the breathing area of kibbler roll roller clearance.
3. clinker adverse current low-resistance cooler according to claim 2, it is characterized in that, the water conservancy diversion grid is relative to water
The angle of inclination of flat grid is more than the natural angle of repose of clinker.
4. clinker adverse current low-resistance cooler according to claim 3, it is characterized in that, grizzly bar is wide in the grid component
Degree is less than the nominal maximum discharging-material size of crusher, and spacing in the water conservancy diversion grid between grizzly bar is nominal no more than crusher
Maximum discharging-material size, the horizontal grate width are less than the thickness of the bed of material in upper cooling storehouse；
The spacing being smaller than in water conservancy diversion grid between grizzly bar in the horizontal grate between grizzly bar so that same grid component
Water conservancy diversion grid and horizontal grate between filling full of clinker.
5. clinker adverse current low-resistance cooler according to claim 1, it is characterized in that, if the ventilation interlayer is equipped with
It is dry to arrange horizontal air flue, vertical exhaust outlet is connected between the adjacent horizontal air flue of two row, exhaust outlet is corresponding with grid component, each to arrange
Horizontal air flue is corresponding with kibbler roll roller clearance, is equipped between blanking between two neighboring in the several horizontal air flues of same row
Gap；
The horizontal air flue longitudinal direction is vertical with the axial projection in the horizontal plane of kibbler roll roll shaft；
The blanking gap is uniformly arranged.
6. clinker adverse current low-resistance cooler according to claim 1, it is characterized in that, it is provided at the top of the air groove
Air grid, at least one end of air groove stretch out lower cooling storehouse and are connected with wind turbine；Along air inlet direction, the air grid exists
Both sides are equipped with side plate so as to form air intake passage；There are gap between two adjacent air grooves, so as to the clinker of cooling
Discharge bin is fallen into from gap；
The shape of grizzly bar is horizontal structure or arcuate structure in the air grid.
7. clinker adverse current low-resistance cooler according to claim 6, it is characterized in that, between the adjacent air groove
Spacing is more than 50mm, the thickness less than the lower cooling storehouse bed of material.
8. clinker adverse current low-resistance cooler according to claim 6, it is characterized in that, the discharge bin is equipped with many
In two chamfered edge frustum discharge ports.
9. clinker adverse current low-resistance cooler according to claim 8, it is characterized in that, the discharge port is equipped with discharge valve
Wind weighing hopper is locked with two pass.
10. clinker adverse current low-resistance cooler according to claim 1, it is characterized in that, the upper cooling silo wall, under
Cooling silo wall, discharge bin, ventilation interlayer, grid component and air groove are made of metal, the upper and lower cooling silo wall
Inside is equipped with using heat-resisting and heat insulation layer made of nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492257.9U CN207556289U (en) | 2017-11-10 | 2017-11-10 | Clinker adverse current low-resistance cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492257.9U CN207556289U (en) | 2017-11-10 | 2017-11-10 | Clinker adverse current low-resistance cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556289U true CN207556289U (en) | 2018-06-29 |
Family
ID=62681190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721492257.9U Withdrawn - After Issue CN207556289U (en) | 2017-11-10 | 2017-11-10 | Clinker adverse current low-resistance cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677135A (en) * | 2017-11-10 | 2018-02-09 | 胡锡文 | Clinker adverse current low-resistance cooler |
| CN111964460A (en) * | 2020-08-28 | 2020-11-20 | 费县沂州水泥有限公司 | Cement clinker grate type particle grading cooler |
-
2017
- 2017-11-10 CN CN201721492257.9U patent/CN207556289U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677135A (en) * | 2017-11-10 | 2018-02-09 | 胡锡文 | Clinker adverse current low-resistance cooler |
| CN107677135B (en) * | 2017-11-10 | 2023-09-08 | 胡锡文 | Counter-flow low-resistance cement clinker cooler |
| CN111964460A (en) * | 2020-08-28 | 2020-11-20 | 费县沂州水泥有限公司 | Cement clinker grate type particle grading cooler |
| CN111964460B (en) * | 2020-08-28 | 2021-04-20 | 费县沂州水泥有限公司 | Cement clinker grate type particle grading cooler |
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