CN206235149U - Seal of rotary kiln device - Google Patents
Seal of rotary kiln device Download PDFInfo
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- CN206235149U CN206235149U CN201621106045.8U CN201621106045U CN206235149U CN 206235149 U CN206235149 U CN 206235149U CN 201621106045 U CN201621106045 U CN 201621106045U CN 206235149 U CN206235149 U CN 206235149U
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- inner ring
- rotary kiln
- outer shroud
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Abstract
Seal of rotary kiln device, including pressure ring 6, inner ring 8, outer shroud 9, bearing 11, baffle ring 12, outer shroud 9 are enclosed within outside inner ring 8, and bearing 11 is supported between inner ring 8 and outer shroud 9 and is rolled on the track that inner ring 8 and outer shroud 9 are formed；Pressure ring 6 and baffle ring 12 are located at the both sides of inner ring 8 and outer shroud 9 respectively, pressure ring 6 and baffle ring 12 are fixedly connected with outer shroud 9 respectively, filler exhausting 1 is formed between inner ring 8, outer shroud 9 and pressure ring 6, there is filler exhausting 2 22 between inner ring 8 and baffle ring 12, be encapsulant in filler exhausting 2 22, filler exhausting 1.Industrial rotary kiln is tightly connected revolution kiln hood or revolution kiln tail and kiln cylinder body using this bearing filler function mechanically-sealing apparatus, can effectively improve the sealing effectiveness of kiln hood and kiln tail, energy-saving and emission-reduction.
Description
Technical field
The utility model is related to the sealing device of a kind of industrial revolution kiln hood or revolution kiln tail, particularly turns round kiln hood
Or the sealing and connecting device between revolution kiln tail and kiln cylinder body.
Background technology
Cement industry rotary kiln is the capital equipment of burning clinker of cement, and whether its thermal regulation is stablized, directly affected
The quality and quantity of product.Seek to keep the balance of technical process from for technological angle, that is, to keep air capacity, combustion
The proper ratio relation of doses and inventory.Rotary kiln is run under condition of negative pressure, every position that there is space, air
Will be leaked out into formation, especially at kiln hood and kiln tail, leaking out can bring a large amount of cold airs into, the stabilization of thermal regulation is just in kiln
Destroyed, furnace air can also carry material and leak, increased the fuel consumption of kiln tail dore furnace, and increased the load of blower fan,
To solve these problems, it is necessary to take seal of rotary kiln measure.
, the sealing that uses of current rotary kiln probably have following several mode classifications：
（1）Classify by using position：Kiln hood is sealed（Also known as inlet seal, that is, kiln head cover and rotary kiln joint
Sealing）, kiln tail sealing（Also known as exit seal, that is, smoke-box and rotary kiln joint sealing）；
（2）Classify by sealing means：Diverting type is sealed, hermetic type sealing；Belong to diverting type sealing if flap is sealed,
The sealing of graphite block sealing cylinder formula just belongs to hermetic type sealing；
（3）Classify by sealing direction：Axial seal, radial seal；Belong to axial seal, air-cylinder type if flap is sealed
Sealing just belongs to radial seal；
（4）Classify by seal form：Flap is sealed, graphite block sealing, air-cylinder type sealing, labyrinth sealing, baffle-type
Sealing；Flap sealing divides individual layer, such as double-deck and three-layer sealed form, composite seal, double soft formulas to seal again, flexible sealing,
Multiple field sealing etc. belongs to flap sealing.
2nd, existing seal of rotary kiln form
（1）Flap is sealed
Flap is sealed into the seal form of most main flow at this stage, and because its installation and maintenance is easy, sealing property is preferable, both
Can be used for rotary kiln end sealing and can also be used for rotary kiln sealing, be most common seal form.By taking cement industry as an example,
The sealing of its rotary kiln end uses flap sealing, and kiln tail sealing is using the proportion of flap sealing also than larger.Its
Its such as metallurgy, building materials, chemical industry industry uses the ratio that flap is sealed also than larger.
（2）Air-cylinder type is sealed
Air-cylinder type seals the rotary kiln sealing mainly for the production of powder grain material, cement industry rotary kiln application
It is more, because its later period maintenance is cumbersome, external equipment there are certain requirements in addition, many kiln tails use air-cylinder type at this stage
What is sealed has been transformed into flap seal form.
（3）Graphite block is sealed
Graphite block sealing can be used for kiln tail sealing, it can also be used to which kiln hood is sealed, and the sealing of old graphite block uses axle
To sealing means, as air-cylinder type sealing, because it has certain defect, the unit for now using is few.
（4）Labyrinth sealing
Labyrinth sealing is the labyrinth form that the annular baffle for having polylith diameter to differ is combined into, because its pair sets
Standby requirement itself is higher, and now using few, and labyrinth sealing is sealed with the combining form of flap sealing and with graphite block
Combining form also have application in some enterprises.
（5）Baffle-type is sealed
Baffle-type is sealed into seal form earlier, and air-cylinder type sealing is than relatively similar, is all radial seal, and all adopt
Guard seal gap is used, the difference is that baffle-type sealing is general to use weight or spring supporting, air-cylinder type sealing uses cylinder block
Support, baffle-type sealing has been eliminated substantially.
Cement industry rotary kiln needs support roller to support in the process of running, and wheel belt or gear driven rotate.Due to its by
Support roller is supported and its rotation characteristic, and rotary kiln can there are certain gap with the connecting portion of other process units, prevent
Its connected process units during rotation is wiped and hung.
Existing several cement industry seal of rotary kiln devices, because its key position for sealing all has motion and rubs
Wipe, the radial direction and axial displacement produced in rotary kiln operation process can all be accelerated to destroy existing sealing device, during by one section
Between operation, existing several sealing means not can solve the problem of system air leakage.
Utility model content
In order to overcome the problem of system air leakage present in existing seal of rotary kiln device, the utility model provides a kind of axle
Stuffing box type mechanically-sealing apparatus are held to be tightly connected revolution kiln hood or revolution kiln tail and kiln cylinder body.
Seal of rotary kiln device, including pressure ring, inner ring, outer shroud, bearing, baffle ring；Outside inner ring, bearings exist exterior ring cap
Rolled between inner ring and outer shroud and on the track that inner ring and outer shroud are formed；Pressure ring and baffle ring are respectively positioned at the two of inner ring and outer rings
Side, pressure ring and baffle ring are fixedly connected with outer shroud respectively, and filler exhausting one, inner ring and baffle ring are formed between inner ring, outer shroud and pressure ring
Between have filler exhausting two, in filler exhausting two, filler exhausting one be encapsulant.
Above-mentioned seal of rotary kiln device, there is pressure ring flange collar, the end face and stuffing-box of pressure ring flange collar on the inner surface of pressure ring
The opening correspondence in road one.
Above-mentioned seal of rotary kiln device, described device also includes that connection valve is blue, and orchid is fixedly connected connection valve with pressure ring.
Above-mentioned seal of rotary kiln device, described device also includes inner ring connector drum, outside inner ring connector drum one end
Wall is fixedly connected with the inwall of inner ring.
Above-mentioned seal of rotary kiln device, there is cooling water channel the inside of the inner ring.
Above-mentioned seal of rotary kiln device, the encapsulant is graphite packing.
Beneficial effect：It is traditional seal of rotary kiln, either labyrinth type, graphite block, pressing plate, stainless steel flap, new
The sealing devices such as flexibility, all leak out by long-term facts have proved in the presence of different degrees of, do not accomplish to be fully sealed.Existing China
The Ministry of Industry and Information Technology of people's republic issues HG/T20552011《Chemical industry rotary kiln design code》And the People's Republic of China (PRC)
State Administration for Quality Supervision and Inspection and Quarantine and Standardization Administration of China issue GB/T26281--2010《Cement is returned
Rotary kiln, thermal balance, the thermal efficiency, comprehensive energy consumption computational methods》, wherein should be particularly mentioned that performance and the leakage of the existing various sealings of rotary kiln
Wind rate, air leak rate of air curtain is average general all more than 10% 5% ~ 10%.
Prevent completely rotary kiln end and kiln tail air leakage phenomena using be can reach after novel rotary kiln sealer, it is this new
The major technique innovative point of seal of rotary kiln device is as follows：
（1）Using water cooling
Rotary kiln is solved at high temperature to sealer service life and sealing effectiveness.The temperature that rotary kiln body surface face has reaches
500 degree or so, metal easy creep and stress relaxation at high temperature for a long time will form irregular when metal deforms at high temperature
Operation cannot seal.Encapsulant is typically all chemical materials synthesis, easily occurs chemical reaction change property at high temperature
Can, influence sealing effectiveness and service life.Cooling duct, the connection water outlet of one end connection water inlet one end are processed inside sealer
Mouthful, K-type thermocouple temperature measuring apparatus control cooling water flow is installed in sealer, make sealer safe operation.
（2）Using bearings
Solve the airtight and watertight padding exhausting that the geometric center skew when rotating of revolution kiln body is unable to formation rule.Revolution kiln body
Occur that geometric center offsets when operation is rotated, transported not under same geometric center with static revolution kiln hood and revolution kiln tail
OK, cannot be sealed because decentraction causes curve motion in the process of running.Sealer inner ring and sealer outer ring are using overall
Processing, installation steel ball forms overall flexible rotating body between inner ring and outer ring, is processed by Seal Design between inner ring and outer ring
The sealing exhausting of required size formation rule.
（3）Using being flexible coupling
The skew that the revolution kiln body and revolution kiln hood rotary kiln tail geometric center decentraction for solving rotation are caused.Due to close
After envelope device is connected with revolution kiln body flange, sealer still with static revolution kiln hood and turn round kiln tail decentraction.In sealer
Inner ring one end installs to be flexible coupling and be connected with revolution kiln hood and revolution kiln tail, is offset according to revolution kiln body geometric center and how much designed
The specification being flexible coupling.
（4）It is connected using flange
Rotary kiln rotor geometric center decentraction is solved, it is close with static revolution kiln hood rotary kiln tail in process of production
Friction is produced at envelope cannot be sealed.Welded flange bolt is connected with sealer outer ring in revolution kiln body, makes sealer and returns
Rotary kiln forms overall operation, damper is connected on inner ring and is connected with supporting support, and support and damper fix action of inner,
Damper is adjusted and compensation rotary kiln bias translocation.
（5）Sealed using adjustable pressure
Special seal material is filled out in gland packing box to be allowed to form seamless connection, when seal pressure and effect do not reach index
When, adjustment sealer screw is adjusted to required index.General encapsulant diameter more than 1 meter is twined with packing
Around packing joint forms seamed connection, and such connected mode does not reach fine sealing effectiveness, and present encapsulant is to close
The abrasion of packing material exhausting is very big, and encapsulant is changed frequent.Special high molecule sealing materials, pressure effect are filled out in gland packing box
Under to be allowed to be formed in filler exhausting seamless elastomeric expansion overall, plus lubricant in the presence of make encapsulant and filler exhausting
Friction very little.
1. economic benefit：
China's manufacture of cement is all substantially new calcium soap, and China's cement output reaches 2,400,000,000 tons within 2013, wherein ripe
Material yield is 13.6 hundred million tons, and calcining capital equipment is rotary system.There is leakage in existing rotary kiln end and kiln tail sealing
The problem of wind, air leak rate of air curtain is typically 10% or so.After rotary kiln operating a period of time, air leakage coefficient can further increase.
As a example by new dry process rotary kiln with coal dust as fuel, kiln hood and kiln tail inleakage are up to 0.05 ~ 0.08Nm3/
Kg.cl, this part is leaked out can be brought greater impact to manufacture of cement operation.
This part leaks into air capacity and is heated to 900 ~ 1000 DEG C in kiln system domestic demand, therefore is computed by leaking out what is brought
Heat consumption increases by 15 ~ 24kcal/kg.cl, is converted into 2.1 ~ 3.4kg.ce/t.cl of mark coal consumption.Produced for daily output 5000t/d clinkers
Line is calculated, and year increases by 3465 tons ~ 5610 tons of standard coal consumption.Such as converted into money 600 yuan/ton by standard coal and calculated, then year increase coal-fired
Buying expenses 208 ~ 3,360,000 yuan.
Simultaneously as leak wind-induced high-temperature blower and exhaust gas fan load increasing, the increase 0.5kwh/t.cl electricity for bringing
Consumption, calculates for daily output 5000t/d clinker production lines, and year increases the kwh of power consumption 82.5 ten thousand, with commercial power average price 0.5
Unit/kwh is calculated, then increase by 41.25 ten thousand yuan of the electricity charge in year.
If cement industry can use novel rotary kiln sealing device, for producing 5000t/d clinker production lines daily,
Do not calculating including the environmental problems such as the material leakage of generation of leaking out, it is single to save more than 2,400,000 yuan every year in terms of coal consumption and power consumption,
Therefore the economic benefit and market prospects of novel rotary kiln water-tight equipment are boundless.
2. society and environmental benefit：
2014《The government work report》Energy consumption per unit is determined and declines more than 3.9%, unit is domestic raw
Produce total value CO2 emissions and decline 4%, nitrogen oxide emission declines 5% grade the binding indicator.The energy-conservation of cement industry subtracts
Row's work obtains the highest attention of government and society.
What the Environmental Protection Department of in December, 2013 and State General Administration for Quality Supervision's issue were newly revised《Cement industry Air Pollutant Emission
Standard》、《Cement unit product energy resource consumption limit》Deng stricter standard, this will effectively promote China's cement industry section
The progress of energy emission reduction work.Cement production process and equipment are further improved, technological operation optimization promotes manufacture of cement
Energy conservation, reduces cement energy consumption of unit product.For the energy-saving and emission-reduction work of enterprise, government is in technological transformation and research and development
Work gives the necessary support in fund, tax revenue, the aspect such as approve and initiate a project.For novel rotary kiln sealer, completely
Meet requirement of the country to the industry energy-saving emission reduction work such as cement at present, society and environmental benefit well can be brought.
Calculated for daily output 5000t/d clinker production lines, 8000 ~ 10000 tons of carbon dioxide of discharge can be reduced every year, subtracted
Few 260 tons or so of sulfur dioxide (SO2) emissions.Simultaneously as novel rotary kiln sealer, can reach hermetically sealed without gap and leakage
Wind, can be prevented effectively from by leak out brought material leakage the problems such as, reduce dust pollution to the tribute of state treatment haze weather
Offer.
Brief description of the drawings：Fig. 1 is seal of rotary kiln device use state schematic diagram
Fig. 2 is seal of rotary kiln device cross section structure schematic diagram
Wherein：1- hold-down bolts, 2- adpting flanges, 3- pressure ring flange collars, 4- studs, 5- nuts, 6- pressure rings, 7- filler exhausting
One, 8- inner ring, 9- outer shrouds, 10- axles, 11- bearings, 12- baffle rings, 13- bolts, 14- cooling water pipes, 15- are flexible coupling end hold-down ring,
16- is flexible coupling end, and 17- is flexible coupling, and 18- is flexible coupling end external tapping end, and 19- inner ring connector drum, 20- cylinder of rotary kiln, 21- is cold
But water channel, 22- fillers exhausting two.
Specific embodiment
Embodiment 1：Seal of rotary kiln device, including pressure ring 6, inner ring 8, outer shroud 9, bearing 11, baffle ring 12, outer shroud 9 are enclosed within
Outside inner ring 8, respectively positioned at inner ring 8 and the both sides of outer shroud 9, pressure ring 6 and baffle ring 12 are connected with outer shroud 9 respectively for pressure ring 6 and baffle ring 12,
There is filler exhausting 2 22 between inner ring 8 and baffle ring 12, be encapsulant in filler exhausting 2 22, filler exhausting 1；The He of inner ring 8
There are filler exhausting 1 and bearing 11 between outer shroud 9, bearing 11 is supported on the inner surface of the outer surface of inner ring 8 and outer shroud 9, interior
There are the track rolled for bearing 11, the rolling that inner ring 8 passes through bearing 11 with outer shroud 9 between the inner surface of the outer surface of ring 8 and outer shroud 9
Rotated relative to rolling.
There are pressure ring flange collar 3, end face and the filler exhausting 7 of pressure ring flange collar 3 on the inner surface of the pressure ring 6 described in embodiment 1
Opening correspondence, the end face of such pressure ring flange collar 3 carries out compression sealing to the encapsulant in filler exhausting 7.Similarly, on baffle ring 12
Also there can be baffle ring flange collar corresponding with the opening of filler exhausting 2 22.
Seal of rotary kiln device application method one described in embodiment 1：Pressure ring 6 is fixed with the outer wall of cylinder of rotary kiln 20 and connected
Connect, inner ring 8 17 is connected by being flexible coupling with kiln head cover or smoke-box.
Seal of rotary kiln device application method two described in embodiment 1：Pressure ring 6 is by 17 and kiln head cover or the smoke-box of being flexible coupling
The connection of connection, inner ring 8 and cylinder of rotary kiln 20.
Embodiment 2：The present embodiment basic structure is with embodiment 1, difference：Described device also includes connection valve orchid 2,
Connection valve blue 2 is fixedly connected with pressure ring 6.
Seal of rotary kiln device application method described in embodiment 1 substantially with the seal of rotary kiln device described in embodiment 1
Application method is essentially identical, and difference is：Pressure ring 6 is connected by connection valve blue 2 with cylinder of rotary kiln 20, kiln head cover or smoke-box
Connect.
Embodiment 3：With embodiment 1 or embodiment 2, difference is the present embodiment basic structure：Described device also includes
Be flexible coupling end cylinder 19, and the outer wall of the one end of inner ring connector drum 19 is fixedly connected with the inwall of inner ring 8.
Seal of rotary kiln device application method described in embodiment 1 is filled with the seal of rotary kiln described in embodiment 1 or 2 substantially
Put application method identical, difference is：The other end of inner ring connector drum 19 is by 17 and rotary kiln wall, the kiln head cover of being flexible coupling
Or smoke-box connection.
Embodiment 4：With embodiment 1, embodiment 2 or embodiment 3, difference is the present embodiment basic structure：In inner ring 8
Inside have cooling water channel 21.Cooling water channel 21 is connected with cooling water pipe 14.
The filler in filler exhausting 7 described in above-described embodiment preferably selects graphite packing.
Pressure ring 6 described in above-described embodiment and the connection between the side wall of outer shroud 9 are preferably to use adjustable connection, this
Sample can adjust the pressure of the end face to the filler in filler exhausting 7 of pressure ring flange collar 3 by adjusting the gap between pressure ring 6 and inner ring 8
Power, and then adjust sealing effectiveness.
Baffle ring 12 described in above-described embodiment and the connection between the side wall of outer shroud 9 are preferably to use to be fastenedly connected, and are increased
Plus the intensity of outer shroud 9, prevent dust from influenceing the life-span of bearing 11.
Bearing 11 described in above-described embodiment both can select ready-made bearing, also can be in outer shroud 9 and the correspondence position of inner ring 8
Processing corresponding construction, cylinder, needle roller, ball, roller etc. is installed between outer shroud 9 and inner ring 8 and forms spring bearing structure, support
Outer shroud 9 and inner ring 8, help outer shroud 9 to be rotated against with inner ring 8.
There is a circle groove between outer shroud 9 and inner ring 8 described in above-described embodiment, groove is open towards pressure ring 6, pressure ring
The end face of flange collar 3 and inner ring 8, outer shroud 9 form a filler exhausting 7 for closing.
Described in above-described embodiment be flexible coupling 17 refer to using it is flexible, can resistant to elevated temperatures material（Such as：High temperature resistant silicon
Glue, glass fabric）By any portion in two parts for rotating against of seal of rotary kiln device be relatively fixed motionless returning
Rotary kiln, kiln head cover or smoke-box are coupled together, and can reduce the revolution kiln body of rotation with revolution kiln hood, revolution kiln tail geometric center not
The skew for causing with one heart.
Embodiment 5, this implementation basic structure is with above-mentioned any embodiment, difference：Adpting flange 2 by welding with
Equipment 20 is connected as a single entity, and pressure ring 6 is fixed on flange 2 by hold-down bolt 1, and the pressure ring end face 3 of the end of pressure ring 6 compresses filler
7, compressed with inner ring 8, outer shroud 9, the sealing duct of formation rule, it is ensured that equipment sealing good in use.Outer shroud 9
Left end is supported with pressure ring 6 and is connected by stud 4, nut 5, and right-hand member is supported with baffle ring 12 by bolt 13 and is connected, and prevents the footpath of outer shroud 9
To swing.Bearing 11 is positioned between outer shroud 9 and inner ring 8, and the inner groovy two ends of outer shroud 9 are fixed on by axle 10, and equipment is in work
During work, bearing 11 can to 8 support fixations of static inner ring, simultaneous buffering, transition, the outer shroud 9 of supporting movement with
The relative rotation of static inner ring 8.14 points of cooling water inlet ends of cooling tube and the port of export, cooling tube 14 pass through baffle ring 12, via
Cooling water channel 21 in the middle part of inner ring forms circulation between import and export, and equipment is cooled down.It is flexible coupling 17 by the end that is flexible coupling
Hold-down ring 15 is fixed on being flexible coupling for inner ring to be held on cylinder 19, and is connected with other equipment by external tapping end 18, can be effective
In adjustment equipment operation process produce axial float and radially wobble.
Equipment described in embodiment 5 is kiln cylinder body, kiln hood or kiln tail；If inner ring connector drum 19 is with kiln cylinder body by soft
During connection, then kiln hood or kiln tail are fixedly connected by connection valve blue 2 with the present apparatus；If kiln hood or kiln tail are by being flexible coupling and this
When device is connected, then kiln cylinder body is fixedly connected by connection valve blue 2 with the present apparatus.
Claims (6)
1. seal of rotary kiln device, is characterised by：Including pressure ring（6）, inner ring（8）, outer shroud（9）, bearing（11）, baffle ring（12）；
Outer shroud（9）It is enclosed within inner ring（8）Outward, bearing（11）It is supported on inner ring（8）With outer shroud（9）Between and in inner ring（8）With outer shroud（9）Shape
Into track on roll；Pressure ring（6）And baffle ring（12）Inner ring is located at respectively（8）And outer shroud（9）Both sides, pressure ring（6）And baffle ring
（12）Respectively with outer shroud（9）It is fixedly connected, inner ring（8）, outer shroud（9）With pressure ring（6）Between form filler exhausting one（7）, inner ring
（8）With baffle ring（12）Between have filler exhausting two（22）, filler exhausting two（22）, filler exhausting one（7）In be encapsulant.
2. seal of rotary kiln device according to claim 1, is characterised by：Pressure ring（6）Inner surface on have pressure ring flange collar
（3）, pressure ring flange collar（3）End face and filler exhausting one（7）Opening correspondence.
3. seal of rotary kiln device according to claim 1, is characterised by：Described device also includes that connection valve is blue（2）, even
Connect valve blue（2）With pressure ring（6）It is fixedly connected.
4. the seal of rotary kiln device according to claim 1,2 or 3, is characterised by：Described device is also connected including inner ring
Cylinder（19）, inner ring connector drum（19）The outer wall and inner ring of one end（8）Inwall be fixedly connected.
5. the seal of rotary kiln device according to claim 1,2 or 3, is characterised by：The inner ring（8）Inside have cooling
Water channel（21）.
6. the seal of rotary kiln device according to claim 1,2 or 3, is characterised by：The encapsulant is graphite packing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554869 | 2014-10-20 | ||
| CN2015106762982 | 2015-10-19 | ||
| CN201510676298.2A CN105526797A (en) | 2014-10-20 | 2015-10-19 | Rotary kiln sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235149U true CN206235149U (en) | 2017-06-09 |
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ID=55769177
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510676298.2A Pending CN105526797A (en) | 2014-10-20 | 2015-10-19 | Rotary kiln sealing device |
| CN201621106045.8U Active CN206235149U (en) | 2014-10-20 | 2016-10-09 | Seal of rotary kiln device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510676298.2A Pending CN105526797A (en) | 2014-10-20 | 2015-10-19 | Rotary kiln sealing device |
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| Country | Link |
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| CN (2) | CN105526797A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595293A (en) * | 2015-10-19 | 2017-04-26 | 四川绿冶科技有限责任公司 | Rotary kiln sealing device |
| WO2021196484A1 (en) * | 2020-04-01 | 2021-10-07 | 河南龙成煤高效技术应用有限公司 | Rotary kiln sealing system and rotary kiln equipment |
| RU2787765C1 (en) * | 2020-04-01 | 2023-01-12 | Хэнань Лунчэн Коул Хай Эффишенси Текнолоджи Аппликейшн Ко., Лтд. | Rotary kiln sealing system and rotary kiln equipment |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928362B (en) * | 2016-07-08 | 2018-10-30 | 中国重型机械研究院股份公司 | A kind of pulverized coal pyrolysis kiln MULTILAYER COMPOSITE sealing device |
| CN109506457A (en) * | 2018-12-14 | 2019-03-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of transfer slide between calcined needle coke rotary kiln and cooling cylinder |
| CN110542307A (en) * | 2019-10-09 | 2019-12-06 | 江苏凤谷节能科技有限公司 | Rotary kiln head and tail negative pressure sealing device |
| CN112023867A (en) * | 2020-07-20 | 2020-12-04 | 盘锦泓实环保科技有限公司 | Reactor for preparing magnesium sulfate from alkylation waste acid |
-
2015
- 2015-10-19 CN CN201510676298.2A patent/CN105526797A/en active Pending
-
2016
- 2016-10-09 CN CN201621106045.8U patent/CN206235149U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595293A (en) * | 2015-10-19 | 2017-04-26 | 四川绿冶科技有限责任公司 | Rotary kiln sealing device |
| WO2021196484A1 (en) * | 2020-04-01 | 2021-10-07 | 河南龙成煤高效技术应用有限公司 | Rotary kiln sealing system and rotary kiln equipment |
| JP2022533164A (en) * | 2020-04-01 | 2022-07-21 | 河南竜成煤高効技術応用有限公司 | Rotating kiln sealing system and rotating kiln equipment |
| RU2787765C1 (en) * | 2020-04-01 | 2023-01-12 | Хэнань Лунчэн Коул Хай Эффишенси Текнолоджи Аппликейшн Ко., Лтд. | Rotary kiln sealing system and rotary kiln equipment |
| AU2020440028B2 (en) * | 2020-04-01 | 2023-03-02 | Henan Longcheng Coal High Efficiency Technology Application Co., Ltd. | Rotary kiln sealing system and rotary kiln equipment |
| JP7387762B2 (en) | 2020-04-01 | 2023-11-28 | 河南竜成煤高効技術応用有限公司 | Rotary kiln seal system and rotary kiln equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526797A (en) | 2016-04-27 |
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