CN206089471U - Utilize CO2 to strengthen device of raw aggregate again - Google Patents
Utilize CO2 to strengthen device of raw aggregate again Download PDFInfo
- Publication number
- CN206089471U CN206089471U CN201621064312.XU CN201621064312U CN206089471U CN 206089471 U CN206089471 U CN 206089471U CN 201621064312 U CN201621064312 U CN 201621064312U CN 206089471 U CN206089471 U CN 206089471U
- Authority
- CN
- China
- Prior art keywords
- reactor
- kettle cover
- kettle
- aggregate
- material frame
- 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
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000001172 regenerating effect Effects 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 4
- 239000002365 multiple layer Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000003763 carbonization Methods 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000011282 treatment Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 description 14
- 238000011069 regeneration method Methods 0.000 description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to an utilize CO2 to strengthen device of raw aggregate again, including taking the reation kettle of kettle cover, the material frame that the multilayer stacking is in the same place has in the reation kettle, and the reation kettle lateral part is provided with the air inlet that is connected with the carbon dioxide steel bottle, pressure port has on the kettle cover, pressure port through the booster pump with the carbon dioxide steel bottle is connected, the vacuum mouth that still is equipped with the gas vent on the kettle cover and is connected with the vacuum pump. The device of the utility model is simple in structure, the installation is maintained conveniently, and it is convenient that the clearance is clean, and the commonality is strong, through CO2 and again the reaction of raw aggregate strengthen raw aggregate again, promote again each item fundamental property of raw aggregate, including reducing its water absorption rate, porosity, refine the aperture, shortened carbonation time, deepened the carbonization degree of depth, improved the treatment effect, the increase of production has improved rate of equipment utilization.
Description
Technical field
The utility model is related to one kind and utilizes CO2The device of intensifying regenerating aggregate.
Background technology
Regenerated coarse aggregate is discarded concrete Jing after broken, processing, and gained particle diameter is the aggregate of 5-31.5mm, regenerates thick bone
The porosity of material is big, water absorption rate is big, bulk density is little, crush index value is higher, and this causes regeneration concrete and normal concrete
Compare, its performance has largely to be reduced.Regenerated coarse aggregate is strengthened and pretreatment is to improve regeneration concrete performance
One of method.
At present, both at home and abroad the method for existing intensifying regenerating aggregate has mechanical reinforcement, acid solution ablution, polymerization
Silicon ash facture etc. is mixed outside thing facture and cement.Its mechanical enhancer method can cause to damage again to aggregate；Acid solution ablution
Acid ion can be introduced, the durability to reducing follow-up prepared regeneration concrete；Polymer treatment method can be effectively reduced again
The water absorption rate of raw coarse aggregate, but it is limited to the raising of intensity.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of structure novelty, the utilization CO of efficiency high2Intensifying regenerating bone
The device of material, can effectively improve regeneration aggregate intensity, reduce water absorption rate and porosity.
The utility model is realized using below scheme：One kind utilizes CO2The device of intensifying regenerating aggregate, including with kettle cover
There is multiple-layer stacked material frame together, reactor sidepiece is provided with and is connected with carbon dioxide steel cylinder in reactor, reactor
The air inlet for connecing, has pressurization mouth on the kettle cover, pressurization mouth Jing booster pumps are connected with the carbon dioxide steel cylinder, the kettle
Cover the vacuum port for being additionally provided with exhaust outlet and being connected with vavuum pump.
Further, the reactor sidepiece is additionally provided with temperature-measuring port, and humiture display table is additionally provided with the kettle cover,
Reactor bottom is provided with discharging opening.
Further, the material frame bottom surface is laid with through hole, and the aperture of the through hole is 4mm, any two adjacent through-holes
Between centre-to-centre spacing be 8mm.
Further, also include the support of reactor is installed, reactor upper end sidepiece is hinged with eyelet bolt,
The notch that the kettle cover is passed through after being provided with for putting on eyelet bolt, is connected with the eyelet bolt and is stuck in hanging above notch
Ring nut.
Further, also include taking the straddle truck and the electric lift to pick and place material frame of dress kettle cover.
Compared with prior art, the utility model has the advantages that：The utility model apparatus structure is simple, installs
Easy to maintenance, cleaning sweeps convenient, highly versatile；By CO2With the reaction intensifying regenerating aggregate of regeneration aggregate, Regenerated Bone is lifted
Every fundamental property of material, including its water absorption rate, porosity are reduced, aperture is refined, improve between regeneration aggregate and cement mortar
Interfacial transition zone, by carrying out scale pressure carbonization using booster pump, shortens carbonization time, has deepened carbonation depth, improves place
Reason effect, improves yield, improves utilization rate of equipment and installations.
To make the purpose of this utility model, technical scheme and advantage become more apparent, below will be by specific embodiment
And relevant drawings, the utility model is described in further detail.
Description of the drawings
Fig. 1 is the utility model embodiment organigram；
Fig. 2 is reactor top view in the utility model embodiment；
Fig. 3 is straddle truck organigram in the utility model embodiment；
Fig. 4 is the side view of Fig. 3；
Label declaration in figure：1- safety valves, 2- air inlets, 3- exhaust outlets, 4- vacuum ports, 5- pressure gauges, 6- discharging openings, 7-
Pressurization mouth, 8- humitures show table, 9- handles, 10- kettle covers, 11- eyelet bolts, 12- ear mounts, 13- supports, 14- bracing frames,
15- reactors, 16- material frames, 17- electric lifts, 18- temperature-measuring ports, 19- straddle trucks.
Specific embodiment
As shown in Fig. 1 ~ 4, one kind utilizes CO2The device of intensifying regenerating aggregate, including the reactor 15 with kettle cover, reactor
There is multiple-layer stacked material frame 16 together, the sidepiece of reactor 15 is provided with the air inlet being connected with carbon dioxide steel cylinder in 15
Mouth 2, has pressurization mouth 7 on the kettle cover 10, the pressurization Jing booster pumps of mouth 7 are connected with the carbon dioxide steel cylinder, the kettle cover
The vacuum port 4 for exhaust outlet 3 being additionally provided with 10 and being connected with vavuum pump, this device can be tieed up during intensifying regenerating aggregate
Hold CO2Concentration 100%, and pressurize it is controllable in -0.1MPa between 0.8MPa.
In the present embodiment, the material of reactor is S30408 stainless steels, and reactor wall thickness is not less than 8mm, and kettle cover is thick not
Less than 60mm, diameter and height are about 900mm, and total volume is 667L, and dischargeable capacity is 500L.
In the present embodiment, the reactor sidepiece is additionally provided with temperature-measuring port 18, is additionally provided with the kettle cover 10 warm and humid
Degree shows table 8, and the bottom of reactor 15 is provided with discharging opening 6, can drop the regenerated coarse aggregate of reactor bottom during cleaning operation；Kettle
Over-pressed blast pipe is additionally provided with lid 10, safety valve 1 and pressure gauge 5 are provided with over-pressed blast pipe.
In the present embodiment, the material frame bottom surface is laid with through hole, and the aperture of the through hole is 4mm, and any two is adjacent
Centre-to-centre spacing between through hole is 8mm, material frame internal diameter 800mm, high 60mm, is made up of the orifice plate of 10mm of thickness.
In the present embodiment, also include the support 13 of reactor is installed, be additionally provided with to supporter in reactor
The groined type bracing frame 14 of material frame；Reactor upper end sidepiece is hinged with eyelet bolt 11, and the kettle cover is provided with and supplies movable joint
The notch passed through after putting on bolt, is connected with the eyenut being stuck in above notch on the eyelet bolt.
In the present embodiment, also include taking the straddle truck 19 and the electric up-down to pick and place material frame of dress kettle cover
Machine 17, lift upper end is provided with cantilever, and suspension hook is provided with cantilever, and lifting rope is provided with suspension hook.
This utility model device with principle be：
Ca(OH)2+CO2→CaCO3+H20
C-S-H+CO2→CaCO3+SiO2•nH2O
According to principles above, the calcium hydroxide and hydrated calcium silicate energy in the hardened cement paste of regeneration aggregate surface attachment
It is enough fully to react with carbon dioxide in present device, calcium carbonate and silica gel are generated, so that solid volume increases 8%-25%,
The packing of attachment cement slurry is improved, reduces the water absorption rate and crush values of regeneration aggregate, improve intensity, therefore the utility model
Carrying out regenerated coarse aggregate intensive treatment can improve its physical and mechanical property.
By CO2With the reaction intensifying regenerating aggregate of regeneration aggregate, every fundamental property of regeneration aggregate, including drop are lifted
Low its water absorption rate, porosity, refine aperture, improve the interfacial transition zone between regeneration aggregate and cement mortar, by using supercharging
Pump carries out scale pressure carbonization, shortens carbonization time, has deepened carbonation depth, improves treatment effect, improves yield, improves and sets
Standby utilization rate.The apparatus structure is simple, convenient for installation and maintenance, and cleaning sweeps convenient, highly versatile.
The utility model utilizes CO2The course of work of the device of intensifying regenerating aggregate is：Regenerated coarse aggregate is laid in again
In raw coarse aggregate material frame 16, anhydrous silica gel is placed in into CO2Pressure reaction still bottom, using straddle truck kettle cover 10 is opened, and is started
Electric lift 17 will be equipped with the material frame 16 of regenerated coarse aggregate and successively be put in reactor, and using straddle truck kettle cover is closed, and beat
Vacuum port 4 is opened, air inlet 2, exhaust outlet 3, pressurization mouth 7 is closed, is started vavuum pump and is vacuumized, when the reading of pressure gauge 5 is -0.1MPa
Stopping is vacuumized, and closes vavuum pump, vacuum port 4, opens air inlet 2, pressurization mouth 7, booster pump, is passed through CO2Gas, is forced into pre-
Constant-pressure, pressure can on reach 0.8MPa；Process to the scheduled time, close booster pump, air inlet 2, pressurization mouth 7, open exhaust
Mouth 3, after reduced pressure to atmospheric pressure, opens kettle cover 10, successively takes out regenerated coarse aggregate material frame 16.
The present invention during to regeneration aggregate carbonization reinforcing, first by reaction kettle for vacuumizing to -0.1MPa, Ran Houzai
Scale pressure carbonization is carried out using booster pump（Pressure maximum can be to 0.8MPa）, taken away in reactor and regeneration aggregate by vacuumizing
Air in hole, is conducive to CO by pressurized treatments2Inside attachment mortar on press-in regeneration aggregate, shortening carbonization is served
Time, the depth effect for deepening carbonization.The present invention absorbs the moisture that carburizing reagent is produced using anhydrous silica gel, it is to avoid moisture is excessive
Reduce reaction rate.
Above-listed preferred embodiment, is further described to the purpose of this utility model, technical scheme and advantage,
Should be understood that and the foregoing is only preferred embodiment of the present utility model, it is all not to limit the utility model
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality
Within new protection domain.
Claims (5)
1. one kind utilizes CO2The device of intensifying regenerating aggregate, it is characterised in that：Including the reactor with kettle cover, have in reactor
Multiple-layer stacked material frame together, reactor sidepiece is provided with the air inlet being connected with carbon dioxide steel cylinder, the kettle cover
Upper to have pressurization mouth, pressurization mouth Jing booster pumps are connected with the carbon dioxide steel cylinder, exhaust outlet is additionally provided with the kettle cover with
And the vacuum port being connected with vavuum pump.
2. utilization CO according to claim 12The device of intensifying regenerating aggregate, it is characterised in that：The reactor sidepiece is also
Temperature-measuring port is provided with, humiture display table is additionally provided with the kettle cover, reactor bottom is provided with discharging opening.
3. utilization CO according to claim 12The device of intensifying regenerating aggregate, it is characterised in that：Material frame bottom surface cloth
Through hole is provided with, the aperture of the through hole is 4mm, and the centre-to-centre spacing between any two adjacent through-holes is 8mm.
4. utilization CO according to claim 32The device of intensifying regenerating aggregate, it is characterised in that：Also include installing anti-
The support of kettle, reactor upper end sidepiece is answered to be hinged with eyelet bolt, the kettle cover is worn after being provided with for putting on eyelet bolt
The notch crossed, is connected with the eyenut being stuck in above notch on the eyelet bolt.
5. utilization CO according to claim 12The device of intensifying regenerating aggregate, it is characterised in that：Also include taking dress kettle
The straddle truck of lid and the electric lift to pick and place material frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064312.XU CN206089471U (en) | 2016-09-20 | 2016-09-20 | Utilize CO2 to strengthen device of raw aggregate again |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064312.XU CN206089471U (en) | 2016-09-20 | 2016-09-20 | Utilize CO2 to strengthen device of raw aggregate again |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206089471U true CN206089471U (en) | 2017-04-12 |
Family
ID=58478935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621064312.XU Expired - Fee Related CN206089471U (en) | 2016-09-20 | 2016-09-20 | Utilize CO2 to strengthen device of raw aggregate again |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206089471U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277885A (en) * | 2016-09-20 | 2017-01-04 | 福州大学 | One utilizes CO2the device of intensifying regenerating aggregate and intensifying method thereof |
| CN107814502A (en) * | 2017-11-14 | 2018-03-20 | 中国矿业大学 | A kind of carbonizing plant of concrete solid waste regeneration aggregate |
| CN109336156A (en) * | 2018-11-09 | 2019-02-15 | 山东大学 | A kind of apparatus and method gathered materials based on in-situ preparation calcium carbonate intensifying regenerating |
-
2016
- 2016-09-20 CN CN201621064312.XU patent/CN206089471U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277885A (en) * | 2016-09-20 | 2017-01-04 | 福州大学 | One utilizes CO2the device of intensifying regenerating aggregate and intensifying method thereof |
| CN107814502A (en) * | 2017-11-14 | 2018-03-20 | 中国矿业大学 | A kind of carbonizing plant of concrete solid waste regeneration aggregate |
| CN109336156A (en) * | 2018-11-09 | 2019-02-15 | 山东大学 | A kind of apparatus and method gathered materials based on in-situ preparation calcium carbonate intensifying regenerating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |