CN208684772U - Equipment of preparation rock wool - Google Patents
Equipment of preparation rock wool Download PDFInfo
- Publication number
- CN208684772U CN208684772U CN201820589610.3U CN201820589610U CN208684772U CN 208684772 U CN208684772 U CN 208684772U CN 201820589610 U CN201820589610 U CN 201820589610U CN 208684772 U CN208684772 U CN 208684772U
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- Prior art keywords
- furnace
- rock wool
- heating furnace
- equipment
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011490 mineral wool Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 63
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 239000002893 slag Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 23
- 239000000654 additive Substances 0.000 claims description 16
- 230000000996 additive effect Effects 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 239000003818 cinder Substances 0.000 claims description 3
- 206010022000 influenza Diseases 0.000 claims description 3
- 239000011344 liquid material Substances 0.000 abstract description 15
- 239000011343 solid material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004321 preservation Methods 0.000 abstract description 5
- 239000004575 stone Substances 0.000 abstract description 5
- 239000000155 melt Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 6
- 239000000571 coke Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- -1 clinker Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The utility model belongs to the technical field of the rock wool preparation, especially an equipment of preparation rock wool, including loading attachment, the loading attachment below is provided with material dispersion devices, and material dispersion devices below is provided with a plurality of heating furnaces, and the heating furnace passes through the pipeline to be connected with homogeneity buncher, and homogeneity buncher is connected with centrifuge. The utility model discloses an equipment of preparation rock wool, adopt stone material or slag as raw and other materials, in entering into the furnace body with the solid material dispersion through material dispersion devices, the material is wide at the internal dispersion scope of furnace, the solid material of being convenient for melts fast, set up the homogeneity buncher simultaneously between heating furnace and centrifuge, ensure that the liquid material of a plurality of heating furnace intermittent type nature outflow can cushion, at the uniform velocity supply according to centrifuge's requirement after homogeneity and heat preservation, whole equipment heating efficiency is high, the technology is arranged rationally, can improve the production efficiency and the quality of rock wool greatly, better market value has.
Description
Technical field
The utility model belongs to rock wool preparation technical field, especially a kind of equipment for preparing rock wool.
Background technique
With the development of industrial technology, space flight and aviation industry, missilery etc. are quickly grown, space flight and aviation industry development need tool
Have a high temperature resistant, anti-adverse environment, it is anti-oxidant the features such as material, ceramic material, carbon fibre material, composite material are excellent with its
High temperature resistant, oxidation resistant property, more come with more applications, and these performances are highly suitable for spacecraft, high speed
Guided missile, if ceramic material, carbon fibre material, composite material application are first had to the detection device and method that solve material
Problem.
Raw material heated crucible in traditional rock wool (either mineral wool) production mostly uses furnace cupola or electric arc furnaces, and utilization is soaring
It is mainly basalt, dolomite, clinker, coke and additive that furnace, which manufactures rock wool or the raw material of mineral wool, wherein raw material
Content is aluminium oxide, silica, calcium oxide, magnesia, and there are also a small amount of iron oxide etc..Main manufacturing processes are as follows: raw material
Enter furnace cupola through ingredient, melted in furnace cupola --- melt by electric furnace lower part stream material mouth flow out, through movable chute be imported into from
Scheming.-- collecting cotton conveyer --- spraying binder collection cotton strip --- at fiber by centrifuge wire drawing and be sent into pendulum bob machine multilayer
The uniform blanket of folding structure mode -- enter curing oven after pressurization, when blast 220-250 DEG C of hot wind, formed have it is certain thick
Degree and the continuous cotton plate of intensity, blanket --- the plate felt come out from curing oven through changeover portion, cooling section, cut length and receiving station at
It --- after the examination and test of products -- is packed and stored automatically by shrinkable film packing machine for finished product.
Rock wool is manufactured using furnace cupola or mineral wool is primarily present following point, first, the raw coke of furnace cupola is passed through
Burning melting, furnace cupola rely primarily on coke burning and generate heat, and heat loss is larger in combustion process, and energy consumption is larger, and makes
At the root of pollutant.Second, the price due to coke is higher, in rock wool the cost of coke be about 600 yuan/it is per ton, cause
Cost is excessively high, is unfavorable for market competition.
It is mainly basalt, dolomite, clinker and additive using the raw material that electric arc furnaces manufactures rock wool or mineral wool,
In, the content of raw material is aluminium oxide, silica, calcium oxide, magnesia, and there are also a small amount of iron oxide etc.；Main manufacture work
Skill is that electric arc furnaces blasts preheated air, and through heated by electrodes, melts hot slag sufficiently in electric furnace and be preferably homogenized,
Melt is imported into centrifuge through movable chute by the stream material mouth outflow of electric furnace lower part.Passing through centrifuge wire drawing into fiber -- collection cotton
--- by binder collection cotton strip --- the uniform blanket for being sent into pendulum bob machine multilayer folding structure type --, pressurization is laggard for injection for conveyer
Enter curing oven, when blast 220-250 DEG C of hot wind, being formed has certain thickness and the continuous cotton plate of intensity, blanket --- from solidification
The plate felt that furnace comes out becomes finished product --- after examination and test of products -- through changeover portion, cooling section, cut length and receiving station and passes through shrinkable film
Packing machine is packed and stored automatically.
Manufacture rock wool or mineral wool using electric arc furnaces and be primarily present following point, first, electric arc furnaces using graphite electrode or
Person's molybdenum electrode belongs to low-voltage and high-current design scope, and the power of transformer is larger, produces 30000 tons of rock wool production lines per year, about needs
Want 4000KW, the thermal losses of transformer is big, electrode needs cold water electrode, and heat loss is larger, graphite electrode or molybdenum electrode at
This is higher；Second, the electrode of electric arc furnaces must be inserted into liquid slag, electrode be can be only installed at around molten bath or on molten bath
Portion can not be stirred if electrode is mounted on the top in molten bath, and melt is also affected in furnace internal mobility, if, electricity
Pole is mounted on around molten bath, and the melt uneven heating among molten bath is even, quenched during being unfavorable for；Thirdly the process of heating is
It is intermittent, and centrifuge preparation rock wool be it is successional, this just needs a speed regulation furnace.
Summary of the invention
The purpose of this utility model is difficult to solve the technology that heating existing for preparation rock wool is difficult, heat preservation is difficult and needs to adjust the speed
Topic proposes and a kind of prepares rock wool equipment.
The utility model is in order to solve the above technical problems, used technical solution is: a kind of equipment preparing rock wool, packet
Feeding device is included, material dispersing device is provided with below feeding device, is provided with multiple heating furnaces below material dispersing device, with
And the centrifuge for producing rock wool, heating furnace adjust the speed furnace with homogeneous by pipeline and connect, homogeneous speed regulation furnace is connect with centrifuge,
Solid material such as stone material, clinker and additive are entered in material dispersing device by feeding device, and material dispersing device will
Solid material scatter and according to setting speed be added to lower section heating furnace in, heating furnace by solid material heating and melting at
Liquid is through reaction and heat preservation after a period of time, and the liquid material wheel of multiple heating furnaces flows into homogeneous speed regulation furnace, equal
After matter adjusts the speed the further homogeneous of furnace, is entered according to the charging rate that centrifuge requires and prepare rock wool in centrifuge.
The heating furnace is connected with liquid storage pool far from homogeneous speed regulation furnace side, is stored in liquid storage pool through pipeline or cinder ladle
The liquid slag transported, liquid slag enter the additive reaction being added after heating furnace with material dispersing device, then give birth to
At liquid material needed for preparation rock wool.
It is provided with agitating device and flow regulator on the heating furnace and/or homogeneous speed regulation furnace, agitating device is for stirring
Liquid material in furnace is mixed, keeps the reaction of its homogeneous heating abundant；The flow regulator of heating furnace is for controlling multiple heating furnace wheels
Homogeneous speed regulation furnace feed is flowed to, the flow regulator of homogeneous speed regulation furnace is used to control its speed being fed to centrifuge.
The liquid storage pool, heating furnace and homogeneous speed regulation furnace are successively arranged from high to low, and the difference in height between stove is 100-
1000mm facilitates liquid material to flow from high to low.
The pipeline is overflow pipe, and is provided with heater on pipeline and heats to pipeline, prevents liquid object
Material is cooling in flow process to influence flowing.
The material dispersing device, sub-material identical with the heating furnace quantity leakage being arranged including additive bin and below
It struggles against, motor is provided with by additive bin and drives blanking tube rotation, to make the material dispersion of additive bin to each separatory funnel
In, it is provided with multiple sub-material feeder pipes below each separatory funnel, is connect below sub-material feeder pipe with heating furnace and to heating furnace
It being fed, being provided on separatory funnel for allocating material to the feeding distribution mechanism of sub-material feeder pipe.
Flue is provided on each sub-material feeder pipe, multiple flues accumulate a main chimney flue and heating furnace is discharged upwards
Flue gas, and valve is provided on each sub-material feeder pipe, for heating furnace in not feeding heated material, valve closing prevents cigarette
Gas is emerged from separatory funnel pollutes environment.
The utility model has the technical effect that
The equipment of the preparation rock wool of the utility model is filled using stone material or clinker as raw material by material dispersion
It sets and solid material is dispersed into furnace body, material dispersion range in furnace body is wide, is convenient for solid material fast melt, simultaneously
Homogeneous is set between heating furnace and centrifuge and adjusts the speed furnace, it is ensured that the liquid material of multiple heating furnace intermittence outflows is delayed
Punching at the uniform velocity supplies after homogeneous and heat preservation according to the requirement of centrifuge, and is provided with agitating device on homogeneous speed regulation furnace,
Make the uniformity of liquid material more preferably and react more abundant, whole equipment heating efficiency is high, and technology arrangement is reasonable, can mention significantly
The production efficiency and quality of high rock wool have preferable market value.
Detailed description of the invention
Fig. 1 is the main view of the utility model device；
Fig. 2 is the top view of the utility model device.
Appended drawing reference: 1- feeding device, 2- material dispersing device, 201- additive bin, 202- separatory funnel, 203- electricity
Machine, 204- blanking tube, 205- sub-material feeder pipe, 206- feeding distribution mechanism, 3- heating furnace, 4- centrifuge, 5- pipeline, the speed regulation of 6- homogeneous
Furnace, 7- flue, 8- main chimney flue, 9- agitating device, 10- flow regulator, 11- liquid storage pool.
Specific embodiment
Further specific detailed description is done to the utility model with reference to the accompanying drawings and detailed description.
As depicted in figs. 1 and 2, a kind of equipment preparing rock wool, including feeding device 1 are provided with object below feeding device 1
Expect dispersal device 2, there are four heating furnace 3, and the centrifuge 4 for producing rock wool, heating for setting below material dispersing device 2
Furnace 3 adjusts the speed furnace 6 by pipeline 5 and homogeneous and connect, and homogeneous adjusts the speed furnace 6 and connect with centrifuge 4, solid material such as stone material, clinker and
Additive etc. is entered in material dispersing device 2 by feeding device 1, material dispersing device 2 solid material is scatter and
It is added to according to setting speed in the heating furnace 3 of lower section, heating furnace 3 is by solid material heating and melting at liquid through after a period of time
Reaction and heat preservation, the liquid material wheel of four heating furnaces 3 flows into homogeneous speed regulation furnace 6, into one in homogeneous speed regulation furnace 6
After walking homogeneous, is entered in centrifuge 4 according to the charging rate that centrifuge 4 requires and prepare rock wool.
Further, heating furnace 3 is connected with liquid storage pool 11 far from homogeneous speed regulation 6 side of furnace, stores and passes through in liquid storage pool 11
The liquid slag that pipeline or cinder ladle transport, liquid slag enter the addition being added after heating furnace 3 with material dispersing device 1
Agent reaction, liquid material needed for then generating preparation rock wool, the main raw material(s) for preparing rock wool at this time is liquid slag.
Further, liquid storage pool 11, heating furnace 3 and homogeneous speed regulation furnace 6 are successively arranged from high to low, the height between stove
Difference is 100-1000mm, and liquid material is facilitated to flow from high to low.
Further, as shown in Figure 1, being provided with agitating device 9 and flow regulator 10 on homogeneous speed regulation furnace 6,
Agitating device 9 and flow regulator 10 can be set on heating furnace 3；Agitating device 9 makes for liquid material in rabble furnace
The reaction of its homogeneous heating is abundant；The flow regulator 10 of heating furnace 3 adjusts the speed furnace to homogeneous in turn for controlling multiple heating furnaces 3
The flow regulator 10 of 6 feed, homogeneous speed regulation furnace 6 is used to control its speed being fed to centrifuge 4.
Further, pipeline 5 is overflow pipe, and is provided with heater on pipeline and heats to pipeline 5, prevents liquid
State material is cooling in flow process to influence flowing.
Further, material dispersing device 2 includes additive bin 201 and is arranged below identical as 3 quantity of heating furnace
Separatory funnel 202, motor 203 is provided with by additive bin 201, blanking tube 204 is driven to rotate, to make additive bin 201
Material dispersion is into each separatory funnel 202, sub-material feeder pipe 205 there are six settings below each separatory funnel 202, under sub-material
The lower section of expects pipe 205 connect with heating furnace 3 and to the feed of heating furnace 3, is provided on separatory funnel 202 for allocating material to dividing
Expect that the feeding distribution mechanism 206 of feeder pipe 205, feeding distribution mechanism 206 are provided with blade in separatory funnel 202, pass through motor powered leaf
Piece rotation allocates material to sub-material feeder pipe 205.
Further, be provided with flue 7 on each sub-material feeder pipe 205, multiple flues 7 accumulate a main chimney flue 8 to
The flue gas of upper discharge heating furnace 3, and it is provided with valve on each sub-material feeder pipe 205, heating furnace 3 is in not feeding heated material
When, valve closing prevents from flue gas from emerging from separatory funnel 202 polluting environment.
The preparation rock wool equipment course of work of the utility model is as follows:
Step 1: liquid slag is added in heating furnace 3 by liquid storage pool or solid-state clinker and additive pass through material
Dispersal device 2 is added in heating furnace 3 or stone material is added in heating furnace 3 by material dispersing device 2；
Step 2: by quickly heating, reaction in heating furnace 3, generating new liquid material, generate CO2, flue gas and powder
In addition dirt discharge is administered；
Step 3: different heating furnaces 3 flow out liquid material in turn, flow into homogeneous speed regulation furnace 6 through piping 5, in homogeneous
It adjusts the speed in furnace after 6 mixing, temperature adjustment, stirring, homogeneous, generation meets the liquid material to be looked for novelty of temperature, viscosity, acidity coefficient, produces
Raw CO2, flue gas and dust discharge, generate CO2, flue gas and dust with step 2 and merge improvement；
Step 4: the liquid material after homogeneous adjusts the speed enters centrifuge 4 and granulated wool or rock wool board is made, and is centrifuged mechanism
Standby granulated wool or rock wool board belong to the prior art and are no longer described in detail.
Embodiment provided above is the better embodiment of the utility model, only is used to facilitate to illustrate the utility model, and
It is non-to impose any limitation on the present invention, any those of ordinary skill in the art, if not departing from
In the range of the mentioned technical characteristic of the utility model, part is made using the utility model disclosed technology content and changes or repairs
The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic
In the range of.
Claims (7)
1. a kind of equipment for preparing rock wool, it is characterised in that: including feeding device (1), be provided with material below feeding device (1)
Dispersal device (2), material dispersing device (2) lower section are provided with multiple heating furnaces (3), and the centrifuge for producing rock wool
(4), heating furnace (3) is connect by pipeline (5) with homogeneous speed regulation furnace (6), and homogeneous speed regulation furnace (6) is connect with centrifuge (4).
2. a kind of equipment for preparing rock wool according to claim 1, it is characterised in that: the heating furnace (3) is far from homogeneous tune
Fast furnace (6) side is connected with liquid storage pool (11), and the liquid furnace transported by pipeline or cinder ladle is stored in liquid storage pool (11)
Slag.
3. a kind of equipment for preparing rock wool according to claim 2, it is characterised in that: the liquid storage pool (11), heating furnace (3)
It successively arranges from high to low with homogeneous speed regulation furnace (6).
4. a kind of equipment for preparing rock wool according to claim 1, it is characterised in that: the heating furnace (3) and/or homogeneous tune
Agitating device (9) and flow regulator (10) are provided on fast furnace (6).
5. a kind of equipment for preparing rock wool according to claim 1, it is characterised in that: the pipeline (5) is overflow pipe, and
Heater is provided on pipeline to heat pipeline (5).
6. a kind of equipment for preparing rock wool according to claim 1, it is characterised in that: the material dispersing device (2), including
Additive bin (201) and the separatory funnel (202) identical with heating furnace (3) quantity being arranged below, additive bin (201) are other
It is provided with motor (203) and drives blanking tube (204) rotation, so that the material dispersion of additive bin (201) to each sub-material be made to leak
It struggles against in (202), multiple sub-material feeder pipes (205), sub-material feeder pipe (205) lower section is provided with below each separatory funnel (202)
It connect with heating furnace (3) and is fed to heating furnace (3), separatory funnel is provided on (202) for allocating material to sub-material
The feeding distribution mechanism (206) of expects pipe (205).
7. a kind of equipment for preparing rock wool according to claim 6, it is characterised in that: each sub-material feeder pipe (205)
On be provided with flue (7), multiple flues (7) accumulate the flue gas that heating furnace (3) is discharged in a main chimney flue (8) upwards, and each
Sub-material feeder pipe is provided with valve on (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589610.3U CN208684772U (en) | 2018-04-24 | 2018-04-24 | Equipment of preparation rock wool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589610.3U CN208684772U (en) | 2018-04-24 | 2018-04-24 | Equipment of preparation rock wool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208684772U true CN208684772U (en) | 2019-04-02 |
Family
ID=65876704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820589610.3U Expired - Fee Related CN208684772U (en) | 2018-04-24 | 2018-04-24 | Equipment of preparation rock wool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208684772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119917A (en) * | 2023-04-17 | 2023-05-16 | 南京彤天岩棉有限公司 | Rock wool production self-discrimination rotary distribution system and distribution method |
-
2018
- 2018-04-24 CN CN201820589610.3U patent/CN208684772U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116119917A (en) * | 2023-04-17 | 2023-05-16 | 南京彤天岩棉有限公司 | Rock wool production self-discrimination rotary distribution system and distribution method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20190402 |