CN206362195U - A kind of hydraulic control S type grate-coolers - Google Patents
A kind of hydraulic control S type grate-coolers Download PDFInfo
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- CN206362195U CN206362195U CN201621483306.8U CN201621483306U CN206362195U CN 206362195 U CN206362195 U CN 206362195U CN 201621483306 U CN201621483306 U CN 201621483306U CN 206362195 U CN206362195 U CN 206362195U
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Abstract
The utility model is related to a kind of hydraulic control S type grate-coolers, belongs to grate-cooler technical field, and it includes hydraulic pump, valve group, oil cylinder group, grate and control system；Hydraulic pump, valve group, oil cylinder group, grate and control system；Grate includes be arrangeding in parallel between the grate plate no less than two, grate plate；Hydraulic pump is connected with valve group；Valve group is connected with oil cylinder group；Oil cylinder group is connected with grate plate；Valve group includes being connected in parallel between the proportion magnetic valve no less than two, each proportion magnetic valve；Oil cylinder group includes being connected in parallel between the oil cylinder no less than one, each oil cylinder；Each proportion magnetic valve is respectively connected with an oil cylinder group.By setting multiple proportion magnetic valves being connected in parallel in valve group so that separate between each proportion magnetic valve avoid due to oil liquid leakage, during so that adjacent grate plate being moved, produce interference and occur the situation with row, improve the transfer efficiency of grate-cooler, yield is increased.
Description
Technical field
The utility model is related to grate-cooler technical field, more particularly to a kind of S type grate-coolers for hydraulic control.
Background technology
Grate-cooler is the critical host equipment in the sinter leaching system of cement plant, and its major function is that clinker is carried out
Cooling, conveying；Hot-air is provided for rotary kiln and dore furnace etc. simultaneously, is the capital equipment of firing system recuperation of heat.With existing
Technology for new dry cement production technology and developing rapidly for equipping, and cement clinker grate cooler is improved constantly, efficiently
Can, reliable clinker grate-cooler turns into ensures the key of system capacity.
Existing grate-cooler is designed using standard modular, and conveying grate is by some parallel clinker groove profile supply units
Combine.The transmission of grate-cooler is completed by hydraulic system driving, and each row supply unit in longitudinal direction is by a unit
Hydraulic system fuel feeding, each module controls several hydraulic cylinders, and hydraulic cylinder drives supply unit motion.Existing grate-cooler liquid
Pressure system is controlled using multi-channel proportional reversal valve, and multiple directional control valve includes multiple sliding valve structures, and each sliding valve structure correspondence one is arranged
Supply unit, because the pressure in adjacent guiding valve is different, leakage is there may be between adjacent guiding valve so that hydraulic oil is from high pressure
Part flows into low-pressure section, when inevitably causing the supply unit motion in grate, drives adjacent supply unit motion,
Cause to produce interference, i.e. band row problem, so that hydraulic system transfer efficiency is reduced.
Therefore, a kind of hydraulic control S type grate-coolers how are provided to can solve the problem that in the prior art due in multiple directional control valve
Adjacent sliding valve structure occur leaking and occur band row phenomenon so that it is art technology to cause hydraulic system transfer efficiency low
Personnel's technical issues that need to address.
Utility model content
The purpose of this utility model is to propose a kind of hydraulic control S type grate-coolers, can solve the problem that in the prior art due to
Adjacent sliding valve structure in multiple directional control valve occurs leaking and band row phenomenon occurs, so as to cause hydraulic system transfer efficiency low
Technical problem.
For up to this purpose, the utility model uses following technical scheme：
A kind of hydraulic control S type grate-coolers, including hydraulic pump, valve group, oil cylinder group, grate and control system；The grate
It is be arranged in parallel between grate plate including no less than two, the grate plate；
The hydraulic pump is connected with the valve group；The valve group is connected with the oil cylinder group；The oil cylinder group is combed with described
Plate is connected；
The valve group includes being connected in parallel between the proportion magnetic valve no less than two, each proportion magnetic valve；Institute
Stating oil cylinder group includes being connected in parallel between the oil cylinder no less than one, each oil cylinder；Each proportion magnetic valve connects
It is connected to oil cylinder group described in one.
By setting multiple and downlink connection proportion magnetic valve in valve group so that between each proportion magnetic valve mutually solely
It is vertical to avoid due to oil liquid leakage so that during adjacent grate plate motion, producing interference and occurring the situation that band is arranged, improve cooling
The transfer efficiency of machine, yield is increased.
Further, the quantity of the grate plate is identical with the quantity of the oil cylinder group.
Using multiple hydraulic oil cylinder driving grate plates so that grate plate has enough power when conveying clinker.
Further, the grate plate includes the first grate plate no less than one and the second grate plate no less than one, described
First grate plate alternates setting with the second grate plate in the grate.
Further, two oil cylinder groups being connected respectively with first grate plate and second grate plate respectively with institute
Proportion magnetic valve connection is stated, and the proportion magnetic valve may be contained within same valve group；
Two adjacent oil cylinder groups being connected respectively with first grate plate and second grate plate and the same valve
Group is connected, and the proportion magnetic valve of connection corresponding with each oil cylinder group is provided with the valve group.
In propulsion simultaneously or friendship between two oil cylinder groups being connected with first grate plate and second grate plate
Wrong two kinds of working conditions of backhaul.
Complete to promote simultaneously by the first grate plate and the second grate plate and be alternately accomplished backhaul action, reached conveying clinker with
And the purpose of release clinker, backhaul is replaced with the second grate plate using the first grate plate, it also avoid the phenomenon with row occur.
Further, the quantity of the valve group is no less than two.
Further, the quantity of the hydraulic pump is multiple, including the first hydraulic pump and the second hydraulic pump；Multiple valves
Group is connected with first hydraulic pump, and first hydraulic pump is used to be used as the standby fueller of the valve group；Each institute
State the connection corresponding with valve group described in one of the second hydraulic pump；Check valve is provided between the hydraulic pump and the valve group.
Second hydraulic pump is used for the normal fuel injection device as valve group.
Check valve is provided between hydraulic pump and valve group, for preventing oil stream reverse flow, and sealing property in hydraulic system
It is good；When requiring closing oil path, can with check valve as the unilateral locking device of oil circuit and rise pressure maintaining effect, further, it is also possible to
Avoid the leakage of fluid.
Further, the oil cylinder is provided with displacement transducer, and institute's displacement sensors are connected with the control system.
Displacement transducer is arranged in the frame at oil cylinder, the stroke of oil cylinder all displacement transducer measurement range it
It is interior, all can be directly by the Displacement Feedback of oil cylinder into control system in any position of oil cylinder stroke, signal within whole stroke
It is continuous, convenience is real-time, continuously monitor the position moved by hydraulic oil cylinder driving grate plate.
Further, the grate plate is provided with baffle plate, for driving the clinker in the grate plate to be fed forward.
Further, the hydraulic pump is connected with fuel tank.
Brief description of the drawings
Fig. 1 is the structural representation of the hydraulic system for the hydraulic control S type grate-coolers that the utility model is provided；
Fig. 2 is the partial enlarged drawing of the hydraulic system for the hydraulic control S type grate-coolers that the utility model is provided；
Fig. 3 is the motion schematic diagram of the grate plate for the hydraulic control S type grate-coolers that the utility model is provided.
In figure：
1st, hydraulic pump；11st, the first hydraulic pump；12nd, the second hydraulic pump；2nd, valve group；21st, proportion magnetic valve；3rd, oil cylinder group；
31st, oil cylinder；41st, grate plate；411st, the first grate plate；412nd, the second grate plate；5th, check valve；6th, displacement transducer；7th, fuel tank.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and pass through
Embodiment further illustrates the technical solution of the utility model.
A kind of hydraulic control S type grate-coolers are present embodiments provided, by setting multiple ratios being connected in parallel in valve group 2
Example magnetic valve 21 is so that separate between each proportion magnetic valve 21 avoid due to oil liquid leakage the grate plate 41 so that adjacent
During motion, produce interference and occur the situation with row, improve the transfer efficiency of grate-cooler, yield is increased.With reference to Fig. 1-
Fig. 3, hydraulic control S types grate-cooler includes hydraulic pump 1, valve group 2, oil cylinder group 3, grate and control system；Grate includes many
It is be arranged in parallel between the grate plate 41 of two, grate plate 41；Hydraulic pump 1 is connected with valve group 2；Valve group 2 is connected with oil cylinder group 3；Oil cylinder
Group 3 is connected with grate plate 41；Valve group 2 includes in parallel between the proportion magnetic valve 21 no less than two, each proportion magnetic valve 21 connect
Connect；Oil cylinder group 3 includes being connected in parallel between the oil cylinder 31 no less than one, each oil cylinder 31；Each proportion magnetic valve 21 connects
It is connected to an oil cylinder group 3.
The columns of grate plate 41 is identical with the quantity of oil cylinder group 3, and a row grate plate 41 connects with an oil cylinder group 3 in the present embodiment
Connect, and oil cylinder group 3 includes no less than one oil cylinder 31, a row grate plate 41 is driven by no less than one oil cylinder 31 so that grate plate 41
When conveying clinker, there is enough power.Wherein, hydraulic pump 1 is connected with fuel tank 7.
Grate plate 41 includes the first grate plate 411 no less than one and the second grate plate 412 no less than one, with reference to Fig. 3, the
One grate plate 411 and the second grate plate 412 alternate setting in grate.Two be connected with the first grate plate 411 and the second grate plate 412
Individual oil cylinder group 3 is connected with proportion magnetic valve 21 respectively, and proportion magnetic valve 21 may be contained within same valve group 2；With the first grate plate
411 and second grate plate 412 connect two adjacent oil cylinder groups 3 be connected with same valve group 2, be provided with valve group 2 and each oil cylinder
The proportion magnetic valve 21 of the correspondence connection of group 3.It is between two oil cylinder groups 3 being connected with the first grate plate 411 and the second grate plate 412
Propulsion or staggeredly two kinds of working conditions of backhaul simultaneously.First grate plate 411 and the second grate plate 412 are driven by different oil cylinder groups 3, valve
The different oil cylinder groups 3 that proportion magnetic valve 21 in group 2 is controlled respectively are in while propulsion or staggeredly two kinds of working conditions of backhaul
In a kind of working condition.By taking Fig. 3 as an example, Fig. 3 includes four subregions, and four subregions represent the first grate plate 411 and respectively
The different working condition of two grate plate 412, and four kinds of different working conditions can express the first grate plate 411 and the second grate plate 412 is defeated
Send the complete action process of clinker.By left-to-right from Fig. 3, the first subregion be the first grate plate 411 with the second grate plate 412 in quiet
Only schematic diagram during state, the second subregion is the schematic diagram that the first grate plate 411 and the second grate plate 412 are in advanced state simultaneously；
3rd subregion is that the first grate plate 411 and the second grate plate 412 are reached after propulsion terminal, the drawback movement of the first grate plate 411 and second combs
Plate 412 is in the static view in final position；4th subregion be the backhaul of the first grate plate 411 to home position it is static and second
Grate plate 412 is in the view of drawback movement.In fig. 3 it can be seen that the first grate plate 411 with the second grate plate 412 defeated
When sending clinker, promote simultaneously；First grate plate 411 and the second grate plate 412 promote release, and the first grate plate 411 starts backhaul, the
The release of one grate plate 411, the second grate plate 412 starts backhaul, until being alignd with the first grate plate 411；In drawback movement, first
The alternating movement of 411 and second grate plate of grate plate 412.Motion process refers to Fig. 3, is replaced using the first grate plate 411 with the second grate plate 412
Backhaul, the proportion magnetic valve 21 in valve group 2 controls respectively, it is to avoid the phenomenon that band is arranged occur.
The present embodiment promotes and is alternately accomplished backhaul action simultaneously by the first grate plate 411 and the second grate plate 412, reaches
Convey clinker and discharge the purpose of clinker, in addition, be additionally provided with baffle plate 42 in grate plate 41, for drive the clinker in grate plate 41 to
Preceding conveying and release.
It is be arranged in parallel because grate is provided between multiple row grate plate 41, grate plate 41, power during in order to meet to conveying clinker
Requirement, set the valve group 2 no less than two to control grate plate 41 respectively in the present embodiment, and the quantity of hydraulic pump 1 is also configured as
It is multiple, wherein, hydraulic pump 1 includes the first hydraulic pump 11 and the second hydraulic pump 12；Multiple valve groups 2 connect with the first hydraulic pump 11
Connect, the connection corresponding with a valve group 2 of each second hydraulic pump 12.When the second hydraulic pump 12 breaks down, the first hydraulic pump 11
For substituting the second hydraulic pump 12, the standby fueller of valve group 2 is used as；Second hydraulic pump 12 is identical with the quantity of valve group 2 and one
One correspondence connection, the second hydraulic pump 12 is used for the normal fuel injection device as valve group 2.
With reference to Fig. 1, check valve 5 is provided between hydraulic pump 1 and valve group 2, for preventing oil stream reverse flow in hydraulic system,
And good seal performance；, can be with check valve 5 is as the unilateral locking device of oil circuit and plays pressure maintaining effect when requiring closing oil path；
In addition, the present embodiment uses inserting check valve, the leakage of fluid can be controlled.
Oil cylinder 31 is provided with displacement transducer 6, and displacement transducer 6 is connected with control system.Existing grate-cooler hydraulic pressure system
System monitors the signal of oil cylinder 31 using proximity switch, and proximity switch sets the initial and final position of oil cylinder 31, only oil cylinder 31
Push rod reach this position, control system can just be issued a signal to by touching after proximity switch so that signal is discontinuous.And this
The displacement transducer 6 of utility model uses magnetic inductive displacement transducer, and displacement transducer 6 is arranged on the frame at oil cylinder 31
On, the stroke of oil cylinder 31, all can be direct in any position of the stroke of oil cylinder 31 all within the measurement range of displacement transducer 6
By the Displacement Feedback of oil cylinder 31 into control system, within whole stroke signal be it is continuous, it is convenient in real time, continuously monitor by
The position that the driving grate plate 41 of oil cylinder 31 is moved.
Control system in the present embodiment is PLC control system.
The hydraulic pump 1 that the present embodiment is used determines flow and pressure using using load sensitive pump control by load,
System is avoided to be constantly in high pressure conditions.
The present embodiment makes the fortune of grate-cooler by displacement transducer 6, proportion magnetic valve 21 and the automatically controlled closed-loop controls of PLC
Scanning frequency degree and stability etc. are preferably ensured.
The present embodiment is additionally provided with circulating cooling system, and circulating cooling filtration system main function is to hydraulic pump 1 and valve
Group 2 provides the hydraulic oil of cooling cleaning, it is ensured that proportion magnetic valve 21 and hydraulic system normal work, improve that institute is Packed to be made
Use the life-span.
Note, general principle of the present utility model and principal character has been shown and described above and of the present utility model excellent
Point.It should be understood by those skilled in the art that, the utility model is not limited to the embodiments described above, and above-mentioned embodiment and is said
Simply illustrate principle of the present utility model described in bright book, on the premise of the utility model spirit and scope are not departed from, this
Utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed the utility model,
Claimed scope of the present utility model is by appended claims and its equivalent thereof.
Claims (9)
1. a kind of hydraulic control S type grate-coolers, it is characterised in that including hydraulic pump (1), valve group (2), oil cylinder group (3), grate and
Control system；The grate includes be arrangeding in parallel between the grate plate (41) no less than two, the grate plate (41)；
The hydraulic pump (1) is connected with the valve group (2)；The valve group (2) is connected with the oil cylinder group (3)；The oil cylinder group
(3) it is connected with the grate plate (41)；
The valve group (2) includes in parallel between the proportion magnetic valve (21) no less than two, each proportion magnetic valve (21)
Connection；The oil cylinder group (3) includes being connected in parallel between the oil cylinder (31) no less than one, each oil cylinder (31)；Each
The proportion magnetic valve (21) is respectively connected with oil cylinder group (3) described in one.
2. hydraulic control S type grate-coolers according to claim 1, it is characterised in that the quantity of the grate plate (41) and institute
The quantity for stating oil cylinder group (3) is identical.
3. hydraulic control S type grate-coolers according to claim 2, it is characterised in that the grate plate (41) includes being no less than
First grate plate (411) of one and the second grate plate (412) no less than one, first grate plate (411) and the second grate plate
(412) setting is alternated in the grate.
4. hydraulic control S type grate-coolers according to claim 3, it is characterised in that respectively with first grate plate (411)
And second two oil cylinder groups (3) of grate plate (412) connection be connected respectively with the proportion magnetic valve (21), and the ratio
Magnetic valve (21) may be contained within same valve group (2)；
Two adjacent oil cylinder groups (3) being connected respectively with first grate plate (411) and the second grate plate (412) and same institute
State valve group (2) to be connected, the proportion magnetic valve (21) of connection corresponding with each oil cylinder group (3) is provided with the valve group (2).
5. hydraulic control S type grate-coolers according to claim 1, it is characterised in that the quantity of the valve group (2) is no less than
Two.
6. hydraulic control S type grate-coolers according to claim 1, it is characterised in that the quantity of the hydraulic pump (1) is many
It is individual, including the first hydraulic pump (11) and the second hydraulic pump (12)；
Multiple valve groups (2) are connected with first hydraulic pump (11), and first hydraulic pump (11) is used for as described
The standby fueller of valve group (2)；The connection corresponding with valve group described in one (2) of each second hydraulic pump (12)；
Check valve (5) is provided between the hydraulic pump (1) and the valve group (2).
7. according to any described hydraulic control S type grate-coolers of claim 1-6, it is characterised in that set on the oil cylinder (31)
There is displacement transducer (6), institute's displacement sensors (6) are connected with the control system.
8. hydraulic control S type grate-coolers according to claim 7, it is characterised in that the grate plate (41) is provided with baffle plate
(42), for driving the clinker in the grate plate (41) to be fed forward.
9. hydraulic control S type grate-coolers according to claim 8, it is characterised in that the hydraulic pump (1) and fuel tank (7)
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483306.8U CN206362195U (en) | 2016-12-30 | 2016-12-30 | A kind of hydraulic control S type grate-coolers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621483306.8U CN206362195U (en) | 2016-12-30 | 2016-12-30 | A kind of hydraulic control S type grate-coolers |
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| Publication Number | Publication Date |
|---|---|
| CN206362195U true CN206362195U (en) | 2017-07-28 |
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ID=59378201
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621483306.8U Active CN206362195U (en) | 2016-12-30 | 2016-12-30 | A kind of hydraulic control S type grate-coolers |
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| CN (1) | CN206362195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628223A (en) * | 2021-01-08 | 2021-04-09 | 江苏指南润滑液压科技有限公司 | Intelligent grate cooler hydraulic station |
-
2016
- 2016-12-30 CN CN201621483306.8U patent/CN206362195U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628223A (en) * | 2021-01-08 | 2021-04-09 | 江苏指南润滑液压科技有限公司 | Intelligent grate cooler hydraulic station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220304 Address after: 301800 room 300-6, building 3, Zhongguancun Science and Technology City collaborative development center, the intersection of Xihuan North Road and Tangtong highway, Baodi District, Tianjin Patentee after: MCC Mike (Tianjin) Hydraulic Technology Co.,Ltd. Address before: 100076 Beijing MCC Mike Hydraulic Co., Ltd., south of Yinghai town government, Daxing District, Beijing Patentee before: BEIJING MECC HYDRAULIC Co.,Ltd. |