CN207330764U - A kind of calcium carbide slag disposal system - Google Patents
A kind of calcium carbide slag disposal system Download PDFInfo
- Publication number
- CN207330764U CN207330764U CN201720978811.8U CN201720978811U CN207330764U CN 207330764 U CN207330764 U CN 207330764U CN 201720978811 U CN201720978811 U CN 201720978811U CN 207330764 U CN207330764 U CN 207330764U
- Authority
- CN
- China
- Prior art keywords
- carbide slag
- disposal system
- calcium carbide
- kiln
- slag disposal
- 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.)
- Withdrawn - After Issue
Links
- 239000002893 slag Substances 0.000 title claims abstract description 72
- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 37
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 239000008188 pellet Substances 0.000 claims abstract description 10
- 238000001354 calcination Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 239000000292 calcium oxide Substances 0.000 description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 7
- 239000000920 calcium hydroxide Substances 0.000 description 7
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 7
- 238000001035 drying Methods 0.000 description 5
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The utility model provides a kind of calcium carbide slag disposal system, the system includes the kiln for being used for carbide slag of the water content not less than 35% and dry powder being mixed to the mixing beater broken up, the ball press for the mixture mixed after breaing up to be carried out to pressure ball and the pellet for ball press compacting to be formed are heated and calcined, and mixes between beater and ball press and direct or indirect connection has conveying device between ball press and kiln.The calcium carbide slag disposal system of the utility model is broken up aqueous carbide slag and dry powder mixing by mixing beater, preliminarily dried can be carried out to carbide slag, reduce carbide slag water content, will not be blocking there is a phenomenon where bonding again so after carbide slag passes through pressure ball, easy to calcining afterwards, production efficiency and yield are improved.
Description
Technical field
It the utility model is related to a kind of calcium carbide slag disposal system.
Background technology
Important source material of the acetylene as organic synthesis industry, has very big demand every year, and calcium carbide is industrial life
The primary raw material of acetylene is produced, when using calcium carbide production acetylene, calcium carbide per ton can about produce 1.2 tons of carbide slags（Main component
For calcium hydroxide）, this creates the terminal substantial amounts of carbide slag.Carbide slag caused by production acetylene contains substantial amounts of moisture, its
Form is in pulpous state, stores, transports relatively difficult, these carbide slags are accumulated for a long time, take substantial amounts of soil, also can be to soil reclamation
Pollution and corrosion, and also result in the waste of the energy.
For it is such the problem of, the prior art propose it is a kind of using carbide slag production lime method, after will being dehydrated
Water content is transported in comminutor by conveyer and is granulated in 40% or so calcium carbide waste slag, then by kiln dried,
Calcined by rotary furnace so as to be sintered into lime（Calcium oxide）.Although this method has carried out one to carbide slag to a certain extent
Fixed recycling, but due to carbide slag using water content after the dehydration of existing dewatering type also 40% or so, viscosity is very big,
In the presence of substantial amounts of caking, it is granulated even across comminutor, also can during it will make glomerate pellet and be transported to drying oven
Be bonded, or even be bonded in drying oven again, seriously affect the use of drying oven, and to the drying effect of calcium carbide slag charge also compared with
Difference, influences yield.
Utility model content
The purpose of this utility model is to provide a kind of higher calcium carbide slag disposal system of yield.
To achieve the above object, the technical solution one of the calcium carbide slag disposal system of the utility model：Including for will be aqueous
Amount not less than 35% carbide slag and dry powder mixing break up mixing beater, for by mixing break up after mixture
The kiln that the ball press of pressure ball and the pellet for ball press compacting to be formed are heated and calcined is carried out, mixes beater
Direct or indirect connection has conveying device between ball press and between ball press and kiln.
The calcium carbide slag disposal system of the utility model is beaten aqueous carbide slag and dry powder mixing by mixing beater
Dissipate, preliminarily dried can be carried out to carbide slag, reduce carbide slag water content, will not so sent out again after carbide slag passes through pressure ball
It is raw to bond blocking phenomenon, easy to calcining afterwards, improve production efficiency and yield.
It can optimize to obtain technical solution on the basis of the technical solution one of the calcium carbide slag disposal system of the utility model
Two, i.e., the system further include is arranged on mixing beater and ball press between, for mixture mixing break up after, pressure ball
The caking formed in breakdown process is mixed is subjected to broken agglomerate-breaking device before machine pressure ball.By dry powder and aqueous
It is to bond blocking wet carbide slag, the material that outside is dry powder that more carbide slag, which carries out that inside can be formed when mixing is broken up,
Block, being sufficiently mixed for wet carbide slag and dry powder can be further realized by crusher in crushing, ensure that carbide slag is fully dry
It is dry, caking phenomenon would not be produced so after pressure ball, is conducive to follow-up heating and calcining.
It can optimize to obtain technical solution on the basis of the technical solution one of the calcium carbide slag disposal system of the utility model
Three, i.e., described kiln is sleeve type gas-burning shaft kiln.
It can optimize to obtain technical solution on the basis of the technical solution one of the calcium carbide slag disposal system of the utility model
Four, i.e. the discharge port of kiln is connected with carries out broken finished product crusher for the product that will be heated and calcining generates, and passes through into
Product crusher in crushing, easy to the permanent storage and transport of product.
It can optimize to obtain technical solution on the basis of the technical solution one of the calcium carbide slag disposal system of the utility model
Five, i.e. the system further includes the finished bin of storage powdered product, for the carbide slag feed bin to mixing beater feeding and dry
Dry powder material storehouse, finished bin connect with dry powder feed bin and provide dry powder to mixing beater.The hydrogen of generation will be heated
Calcium oxide or the calcium oxide powder of calcining generation are dried carbide slag as dry powder, and whole production process need not
Unclassified stores adds, and production cost is reduced, easy to continuous production.
It can optimize to obtain technical solution on the basis of the technical solution five of the calcium carbide slag disposal system of the utility model
Six, i.e., the gas outlet of described kiln is communicated with dust-extraction unit, and the dust cabin of dust-extraction unit is connected with finished bin.In calcination process
The dust of generation is calcium hydroxide or calcium oxide, these dust, which are sent in finished product, will not cause to waste, and also eliminate at the same time
Atmosphere pollution.
It can optimize to obtain technical solution on the basis of the technical solution six of the calcium carbide slag disposal system of the utility model
Seven, i.e., connected by dust storage tank between the dust cabin of dust-extraction unit and finished bin, led between finished product crusher and finished bin
The connection of finished product storage tank is crossed, dust storage tank, finished product storage tank are by air transporting arrangement to finished bin conveying.Finished product and powder
Dirt is powder, is conveyed by gas compared to conveyer belt or other mode of movement, cost is relatively low, also not easily leads to powder and lets out
Dew.
It can optimize to obtain technical solution on the basis of the technical solution six of the calcium carbide slag disposal system of the utility model
Eight, i.e., described dust-extraction unit is sack cleaner, convenient using sack cleaner good dedusting effect, dust collection.
It can optimize to obtain technical solution on the basis of the technical solution three of the calcium carbide slag disposal system of the utility model
Nine, i.e., the closure door of the lower end discharge port of described sleeve type gas-burning shaft kiln is controlled by hydraulic stripper system to be opened and closed, and is unloaded by hydraulic pressure
The keying of material system control discharge port closure door, stability is good, and production process is reliable.
It can optimize to obtain skill on the basis of above-mentioned nine kinds of technical solutions of the calcium carbide slag disposal system of the utility model
The exhaust outlet of art scheme ten, i.e. kiln is connected with the heat pump utilized for the heat absorption in the high-temperature tail gas of discharging exhaust outlet
System, the heat in tail gas can be fully absorbed, reduce the temperature of tail gas by heat pump system, is not only contributed to heat and is returned
Receive, and the dust particles in elimination tail gas are also allowed for when exhaust temperature reduces, eliminate haze.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment one of the calcium carbide slag disposal system of the utility model；
Fig. 2 is the schematic diagram of the embodiment two of the calcium carbide slag disposal system of the utility model.
Embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The calcium carbide slag disposal system specific embodiment one of the utility model, as shown in Figure 1, including carbide slag feed bin 10 and doing
Dry powder material storehouse 11, carbide slag feed bin 10 and dry powder feed bin 11 are defeated by its internal material by screw(-type) feeder 12 respectively
It is sent in mixing beater 13, carbide slag feed bin 10 can be conveyed to the water content come not less than 35% by mixing beater 13
Carbide slag and dry powder feed bin conveying come dry powder mixing break up so as to aqueous carbide slag carry out preliminarily dried.
The system further includes the agglomerate-breaking device 14 connected with mixing the discharge port of beater 13, by mixing beater
13 dry powder and aqueous more carbide slag can be formed when mixing is broken up it is internal to bond blocking wet carbide slag, outer
Side is the material block of dry powder, and broken by agglomerate-breaking device 14 can further realize filling for wet carbide slag and dry powder
Divide mixing, ensure that carbide slag is fully dry.
The system further include with the discharge port of agglomerate-breaking device 14 conveying connection double roller ball press 15 and with double roller pressure
The sleeve type gas-burning shaft kiln 17 that ball machine 15 passes through the conveying connection of belt feeder 16.Double roller ball press 15 is by aqueous carbide slag and xeraphium
The pellet for suppressing balling-up, is then transported in sleeve type gas-burning shaft kiln 17 and is heated by the mixture pressure ball of material by belt feeder
Or calcine, when spherical pellets fall in shaft furnace after pressure ball, the gap between each pellet is easy to for thermal current by being easy to
Heating and calcining.Wherein, when being heated with less than 580 DEG C of temperature to pellet, the product of generation is calcium hydroxide；With 580
When temperature more than DEG C calcines pellet, the product of generation is calcium oxide.
The discharge port 170 of sleeve type gas-burning shaft kiln 17 is controlled by hydraulic stripper system 171 and is opened and closed, and discharge port 170 connects
Finished product crusher 22 is connected to, the spherical calcium oxide or calcium hydroxide that finished product crusher 22 is used to that generation will to be calcined crush powdering simultaneously
It is transported in finished product storage tank 23, finished product storage tank 23 is defeated by powdery calcium oxide or calcium hydroxide finished product by air transporting arrangement
It is sent in finished bin 25.
The offgas outlet of sleeve type gas-burning shaft kiln 17 is connected with exhaust gas processing device, main to include being connected on offgas outlet
Sack cleaner 18, connected with the gas outlet of sack cleaner 18 heat pump system 19, connect with the gas outlet of heat pump system 19
Logical sedimentation basin 21, the position after 21 wet dedusting of sedimentation basin are discharged by chimney 20.Certainly, the pocket type in the present embodiment
Deduster can also be replaced by other cleaners, such as electric precipitator or cyclone dust collectors.
The dust collected in the dust cabin of sack cleaner 18 is delivered in dust storage tank 24 by drag conveyor 26,
Dust storage tank 24 is connected with finished bin by air transporting arrangement and is transported to dust is collected in finished bin 25.
When preparing calcium oxide or calcium hydroxide by the system, the starting stage, i.e., no calcium oxide and calcium hydroxide into
During product output, it will can regard in the drying carbide slag that be air cured and the dry input dry powder feed bin on calcium carbide slag muck top layer dry
Dry powder uses.Certainly, in other embodiments, dry powder use, such as dry carbon can be done using unclassified stores
Sour calcium powder material etc..
In above-described embodiment, pressure ball is carried out to aqueous carbide slag and dry material by double roller ball press, in other implementations
It can also be granulated to form pellet by comminutor in mode.
The utility model additionally provides the embodiment two of calcium carbide slag disposal system, in embodiment two, the addition of dry powder
Measure it is larger, and the inside that produces is wet carbide slag, outside is dry powder during mixing is broken up caking it is less and compared with
Small, the system can not include agglomerate-breaking device at this time, and mixture is fed directly to pressure ball after being sent out from mixing beater
Machine.
Claims (10)
1. a kind of calcium carbide slag disposal system, it is characterized in that, including for water content to be not less than to 35% carbide slag and xeraphium
Expect to mix the mixing beater broken up, the ball press for the mixture mixed after breaing up to be carried out to pressure ball and for that will press
The kiln that the pellet that forms of ball machine compacting is heated and calcined, mixes between beater and ball press and ball press and kiln
Between direct or indirect connection have conveying device.
2. calcium carbide slag disposal system according to claim 1, it is characterized in that, which, which further includes, is arranged on mixing beater
Between ball press, for will be formed after being broken up in mixture mixing, before ball press pressure ball in breakdown process is mixed
Caking carry out broken agglomerate-breaking device.
3. calcium carbide slag disposal system according to claim 1, it is characterized in that, the kiln is sleeve type gas-burning shaft kiln.
4. calcium carbide slag disposal system according to claim 1, it is characterized in that, the discharge port of kiln is connected with for that will heat
Broken finished product crusher is carried out with the product of calcining generation.
5. calcium carbide slag disposal system according to claim 1, it is characterized in that, the system further include storage powdered product into
Product storehouse, for connecting to the carbide slag feed bin and dry powder feed bin of mixing beater feeding, finished bin and dry powder feed bin
Lead to and provide dry powder to mixing beater.
6. calcium carbide slag disposal system according to claim 5, it is characterized in that, the gas outlet of the kiln is communicated with dedusting dress
Put, the dust cabin of dust-extraction unit is connected with finished bin.
7. calcium carbide slag disposal system according to claim 6, it is characterized in that, between the dust cabin and finished bin of dust-extraction unit
Connected by dust storage tank, connected between finished product crusher and finished bin by finished product storage tank, dust storage tank, finished product storage
Batch can is by air transporting arrangement to finished bin conveying.
8. calcium carbide slag disposal system according to claim 6, it is characterized in that, the dust-extraction unit is sack cleaner.
9. calcium carbide slag disposal system according to claim 3, it is characterized in that, the lower end discharging of the sleeve type gas-burning shaft kiln
The closure door of mouth passes through hydraulic stripper system and controls keying.
10. according to the calcium carbide slag disposal system described in claim 1-9 any one, it is characterized in that, the exhaust outlet connection of kiln
It is useful for the heat pump system for utilizing the heat absorption in the high-temperature tail gas of exhaust outlet discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978811.8U CN207330764U (en) | 2017-08-07 | 2017-08-07 | A kind of calcium carbide slag disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978811.8U CN207330764U (en) | 2017-08-07 | 2017-08-07 | A kind of calcium carbide slag disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207330764U true CN207330764U (en) | 2018-05-08 |
Family
ID=62377646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720978811.8U Withdrawn - After Issue CN207330764U (en) | 2017-08-07 | 2017-08-07 | A kind of calcium carbide slag disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207330764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499632A (en) * | 2020-11-25 | 2021-03-16 | 江苏中圣园科技股份有限公司 | Calcium oxide powder circulating ball pressing system and process for carbide slag calcination |
-
2017
- 2017-08-07 CN CN201720978811.8U patent/CN207330764U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499632A (en) * | 2020-11-25 | 2021-03-16 | 江苏中圣园科技股份有限公司 | Calcium oxide powder circulating ball pressing system and process for carbide slag calcination |
| CN112499632B (en) * | 2020-11-25 | 2024-05-10 | 江苏中圣园科技股份有限公司 | Calcium oxide powder circulating ball pressing system and process for carbide slag calcination |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180508 Effective date of abandoning: 20240312 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180508 Effective date of abandoning: 20240312 |