CN209602393U - Utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material - Google Patents

Abstract

Utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, material device is repaired in disintegration including building waste particulate material, material device is repaired in the disintegration, with mechanical centrifugal power and/or compressed air stream and/or high pressure water flow and/or helical blade rotary kinetic energy, it forces between building waste particle surface, between building waste particle surface and wear-resisting wall and/or grate plate and/or sieve, it generates and hits grinding, disintegration and the soft texture for removing building waste particle surface, sharp corners fines and crack defect, it is finally sand grains by building waste intragranular disintegration, stone grain and the big component of high calcium silicoaluminous hydrochlorate material fines three.The utility model technical process and equipment is simple, land occupation less, small investment and be disintegrated that separation is effectively efficient, promoted conducive to the resource utilization of building waste；Conducive to protection socio-ecological environment and natural environment, and it is conducive to the chance that creates more jobs；The shortage problem that cement production enterprise blends material source is solved to a certain extent.

Description

Utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material

Technical field

The utility model relates to environmental protection equipment technical fields, and in particular to a kind of to utilize building waste sand, stone and high calcium The change system of alumino-silicate material.

Background technique

It is well known that concrete, mortar, the cement brick of inorganic building material especially popularization and application, basic production Material component be cement cementitious material, sand material, and/or building stones, be using cement cementitious material by sandstone cementation solidifying together Composite architectural materials.China's scale of capital construction is huge, and huge project amount construction throughout the country needs a large amount of sand, Shi Heshui Mud raw material, the exploitation of the sand, stone raw material of great demand amount needed for the huge scale of capital construction continue to cause irreversible for response environment The influence turned；Meanwhile the lasting high energy consumption high pollution of production of a large amount of cement required for engineering construction, consume flood tide not Reproducible clay class aluminosilicate mineral and calcareous mineral (such as lime stone) resource.And it is currently based on the requirement of environmental protection, The limit for including engineering sand to engineering sandstone raw material is adopted, and quality sand and stone resources are petered out in addition, so that high grade project sand Building stones especially engineering is in short supply and expensive with high-quality sand material, and because of technology and cost reason, high clay content sandstone is (especially Be the clay content of current concrete sand it is universal up to 5%~22%) Ji Gaohan villaumite sandstone (sea sand is typically up to 0.1% containing villaumite~ 1.5%, the sea sand of cleaning is still up to 0.05%~0.15% containing villaumite) it is widely adopted, seriously affect concrete works matter The durability of amount especially engineering.Objectively, current common engineering is up to 10% using the lower clay content of price with sand generality Above sand material or the sea sand containing villaumite, the shale ingredient in sand material are transferred into portland cement gelling mineralogical composition and break Simultaneously its chemical drying shrinkage and physics drying shrinkage is significantly increased in the gelling property of bad gel of calcium silicate etc., and the salinity transfer in sand material is transferred to It is reacted in the cementing ingredient of portland cement with calcium aluminate therein/calcium ferrite mineral and calcium aluminoferrite mineral and generates dilatancy structure The corrosion for destroying and aggravating reinforcing bar causes many project of vital and lasting importance " high grade project " grade road and building largely to become soybean residue Engineering, or even a large amount of architectural engineering do not put into normal use and enter the maintenance of works stage.

Moreover, current China building waste yield is huge, only the per day yield of discarded concrete has just exceeded million tons, And increased with every year about 8% speed, it is contemplated that 700,000,000 tons will be exceeded within 2025.If the discarded concrete of these dispersions cannot obtain Effective cycling and reutilization not only causes the huge waste of resource, also causes considerable damage to ecological environment, exacerbates high pollution The produce load of the building material industry of high energy consumption.

Currently, the correlative study and application of the application technology as the second resource of domestic and international discarded concrete are concentrated mainly on production again On raw aggregate, basic technology is multiple stage crushing, vibration sorts or rotary screen is divided into sandstone coarse-fine aggregate, but all these existing Building waste sandstone aggregate technology obtained by sandstone aggregate be applicable only to manufacture the MPa strength grade of 7.5 MPa~15 Cement brick, be both all with regeneration sandstone aggregate made of " high grade " discarded concrete or to be only used for C20 grades or less Low-grade concrete in, i.e., sandstone aggregate made by existing discarded concrete sandstone aggregate technology can not substitute general Logical sandstone aggregate, these regeneration sandstone aggregates cannot be used in the middle concrete (C30 ~ C50) of infrastructure project popularization and application, It more has no idea to replace quality sand and stone aggregate in high-grade concrete.To find out its cause, this is because discarded concrete is to use Cement cementitious material is by the firm material cemented together of sandstone, and existing discarded concrete crushing and screening aggregate technology Cement sandstone particle breakdown cemented together effectively cannot be independent sand grains, stone grain and Behavior of Hardened Cement Paste fines, made by Regeneration sandstone aggregate actually only the cementing sand material particle and cementing sand material particle smashed, be still water The composite material granular of mud and sandstone, composite material granular surface not only have a large amount of microscopic checks, sharp corners and its The dew surface of wrapping up in of regeneration sandstone aggregate is covered and wraps up in thickness different fluffy configuration layer or low-intensity porous structure layer, so that discarded mixed The water requirement of solidifying soil recycled aggregate is big, workability is poor, integral strength is very poor, is simply possible to use in light water adobe and low grade coagulation processed In soil.

Water absorption to solve the made regeneration sandstone particles of aggregates surface texture defect naturally occurring of discarded concrete it is big and It the technical issues of low fluffy configuration layer of intensity/faults of construction such as porous structure layer and a large amount of microscopic checks, sharp corners, will break Broken cementing sandstone composite material granular disintegration is independent sand grains, stone grain and Behavior of Hardened Cement Paste fines, lot of domestic and foreign science and technology Worker has carried out a large amount of research and practice.

CN200510136624.7 cement regeneration technique by activating discarded concrete, CN201510399575.X rotary kiln factory It handles discarded concrete activity ground-slag and the method for active aggregates, CN201510399659.3 is a kind of discarded with shaft kiln factory and office reason The method of concrete activity ground-slag and aggregate, CN201510399419.3 discarded concrete and sludge eco-cement and work Method, a kind of system with discarded concrete activity ground-slag and aggregate of CN201520493211.3 of property sand, provide and first adopt Broken granule materials are heat-treated with Industrial Stoves, allow sandstone cement cementitious component dehydration cemented together is loose or are divided Faults of construction such as solution, then cement minerals and soft texture that sand particles surface is removed with ball mill grinding, then, then separate Recycled aggregate sandstone is obtained to deposit although the above method can obtain the cement stone material of high-quality reclaimed sand, stone aggregate and activation In following problems: being first heat-treated, consume fuel and fuel combustion and the decomposition of limestone aggregate generate atmosphere dirt Dye and a large amount of carbon emission；Second need to be with the ball mill grinding of high energy consumption low-heat rate, power consumption is high, efficiency is lower and generates secondary Pollution；Moreover investment is larger, the concentration on the spot of Low investment needed for the wide discarded concrete in the wide face of the amount of being not suitable for, low cost Processing.

Increasingly improve in environmental protection requirement, environment sandstone and clay resource limit are adopted, quality sand and stone resources are increasingly deficient and The highly efficient regeneration separation of building waste yield huge today, discarded concrete recycle, to substitute extensive capital construction work Journey building materials sandstone and manufacture of cement alumino-silicate raw material, there is an urgent need to a kind of completely new Low investment, low energy consumption, low pollution or It is free of contamination can nearby resource recycling utilize discarded concrete equipment, sand, stone and high calcium silicon especially in discarded concrete The equipment that aluminium Ling salt feed separation obtains clean regeneration sandstone aggregate and high calcium silicoaluminous aluminate materials without fault of construction.

Summary of the invention

Technical problem to be solved in the utility model is to overcome the deficiencies of the prior art and provide one kind without being heat-treated, Invest it is less, can high-efficiency and economic disintegration, remove the knot such as soft texture, sharp corners and crack on building waste granule materials Structure defect, corrects sand, building stones, and separation obtains the change system of high-quality sand material, building stones and high calcium silicoaluminous aluminate materials.

The utility model solve its technical problem the technical solution adopted is that, utilize building waste sand, stone and high calcium silicon Material device is repaired in the change system of aluminate material, the disintegration including building waste particulate material, and material device is repaired in the disintegration, with machinery from Mental and physical efforts and/or compressed air stream and/or high pressure water flow and/or helical blade rotary kinetic energy, force building waste particle surface between, Between building waste particle surface and wear-resisting wall and/or grate plate and/or sieve, generates and hit grinding, disintegration and removing building Building waste intragranular disintegration is finally sand grains, stone by soft texture, sharp corners fines and the crack defect on granulated garbage surface Grain and the big component of high calcium silicoaluminous hydrochlorate material fines three.

Further, the disintegration, which is repaired, expects that device will be by cement gel ramming material, sand fine aggregate, the big component cement junction of stone coarse aggregate three The building waste being combined/discarded concrete particle forces building waste/discarded concrete granule materials violent with kinetic energy Grinding and grinding method is hit, disintegration is independent high-intensitive sand grains, stone grain and more low intensive with cement cementitious mine again The big component of fines three based on object, fines component include the cement cementitious mineral of high calcium, construction waste crushing be granule materials when it is broken Split the sandstone clast of generation and soil that the soil of fault of construction part and roughing sand stone with people or building waste are brought into, fines group The average oxidation calcium content of part is high calcium silicoaluminous aluminate materials much higher than the calcium content of clay class alumino-silicate raw material, i.e., will building Granulated garbage disintegration is sand grains, stone grain and the big component of high calcium silicoaluminous hydrochlorate material fines three.

Further, it includes that dry method disintegration repairs material device and material device is repaired in wet process disintegration that material device is repaired in the disintegration, described dry Method disintegration is repaired material device and repairs material device using the centrifugation of mechanical centrifugal power kinetic energy or repaired using the circulation sandblasting of compressed air kinetic energy Material device repairs material device using the star spiral of helical blade rotary kinetic energy or utilizes centrifugal force kinetic energy and compression sky simultaneously The circulating centrifugal atomization of pneumatic energy repairs material device or utilizes the stirring-type of centrifugal force kinetic energy and helical blade rotary kinetic energy simultaneously Material device is repaired, the wet process disintegration repairs material device and repairs material device using the circulating jet of high pressure water flow kinetic energy or utilize centrifugal force The rinsing type centrifugation of kinetic energy repairs material device or repairs material using the disintegration of the wet type of circulation high pressure water flow kinetic energy and centrifugal force kinetic energy simultaneously Device.

Further, it is additionally provided with separator, the mixed material row of material device is repaired in the feed inlet of the separator and disintegration Outlet is connected, the sand of separator, stone, fines slag discharge gate respectively with sand, stone, fines slag stockyard/storehouse conveying equipment It is connected.

Further, it is additionally provided with including purification device, the purification device is powder purification apparatus or filtering and purifying, powder The exhaust outlet of exhaust outlet and separator that the import of dirt purification device repairs material device with disintegration respectively is connected, dust purification The discharge gate of device is connected with fines stockyard/storehouse conveying equipment, and material device is repaired in the import and disintegration of filtering and purifying The mud or muddy water discharge gate of mud discharge gate, and/or separator are connected, the fines slag discharge gate of filtering and purifying with Fines slag muck field/storehouse is connected, the discharge outlet of filtering and purifying be connected with the water inlet that material device is repaired in disintegration or with circulation Pond/case is connected.

Further, material circulation device, blowing plant and/or high-pressure water device, the Matter Transfer dress are additionally provided with The feed inlet set is connected with the recycle stock discharge gate that material device is repaired in disintegration, and material is repaired in the discharge port of material circulation device and disintegration The material inlet of device is connected, the outlet of the high pressure draught of the blowing plant and disintegration repair the compressed air of material device into Gas tube orifice is connected, and the water inlet of the high-pressure water device is connected with the discharge outlet of filtering and purifying or circulating water pool/water tank Logical, the high pressure water flow outlet of high-pressure water device is connected with the high pressure water water inlet that material device is repaired in disintegration.

Further, the separator, and/or purification device, and/or material circulation device, and/or blowing plant Or it is that integral type building waste intragranular disintegration repairs material machine that high-pressure water device can repair material device Integration Design with disintegration.

Further, the change system of the building waste sand, stone and high calcium silicoaluminous hydrochlorate material, the building waste are Inorganic material class building waste, preferably discarded concrete/discarded mortar/waste water adobe, the building waste granule materials refer to It has been crushed to partial size 50mm building waste below；Change system is with the violent grinding and/or shock of building waste granule materials Grinding is disintegrated, soft texture, sharp corners fines and crack defect on removing building waste granule materials, and separation obtains clean Only the high-quality sand material without fault of construction, building stones and high calcium silicoaluminous hydrochlorate fines material, and realize clean manufacturing, the high-quality sand of acquisition Material, building stones are circularly used for architectural engineering, and high calcium silicoaluminous hydrochlorate fines material can be used as clinker production raw material or production water Mud/concrete admixture raw material.

The utility model has the beneficial effects that

(1) the utility model use for reference nature wind-force, the sand particles grinding motion of the generations such as kinetic hydraulic energy remove compared with The faults of construction such as low-intensity tissue and sharp corners and the basic principle for correcting out natural high-quality sand, building stones, for building waste Especially discarded concrete itself is by the cementing building stones of cement cementitious material, sand material composite material together and its sandstone bone Material and the Behavior of Hardened Cement Paste mineral formation material structure feature of one of a relatively loose porous transition structure layer, using Low investment and more Material device is repaired in the disintegration of the mechanical centrifugal power and/or compressed air stream and/or high pressure water flow or helical blade rotary kinetic energy of low energy consumption, It forces to generate acutely grinding between building waste particle and between building waste particle and wear-resisting wall and/or grate plate/sieve And/or grinding is hit, it is disintegrated for sand grains, stone grain and the fines based on cement cementitious mineral, removing building waste granule materials On soft texture, sharp corners and crack defect, it is thin that separation obtains high-quality sand fine aggregate, stone coarse aggregate and high calcium silicoaluminous hydrochlorate Crumble (with the mixture fines of the powder and soil of silicate-containing cement hydration mineral and roughing sand stone) three big material components, technique Process and equipment is simple, land occupation less, small investment and be disintegrated that separation is effectively efficient, promoted conducive to the resource utilization of building waste.

(2) building waste largely thrown aside especially discarded concrete, discarded sand can be efficiently used to adaptation to local conditions nearby Slurry, waste water adobe etc. are conducive to protection socio-ecological environment and natural environment, and are conducive to the chance that creates more jobs.

(3) can effectively realize three big original composition material (sand, stone, cementitious matters) in the especially discarded concrete of building waste has It imitates resource recycling to utilize, building waste especially discarded concrete, mortar waste water adobe is effectively disintegrated to reason separation again For new sand fine aggregate, stone coarse aggregate and fines (cement/concrete production alumino-silicate raw material) three big components, can be greatly decreased Consumption of the manufacture of cement needed for economic construction to limited natural resources lime stone, clay, shale etc., solves water to a certain extent The shortage problem in mud enterprise blending material source.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the structural schematic diagram of the utility model embodiment 2；

Fig. 3 is the structural schematic diagram of the utility model embodiment 3.

Specific embodiment

With reference to the accompanying drawings and embodiments, the present invention will be further described in detail.

Embodiment 1

Referring to Fig.1, the present embodiment repairs material mode using the disintegration of wet process level-one, including disintegration repair material device 1, separator 2, High pressure water system 3, the discharge port 12 that material device 1 is repaired in the disintegration are connected with the feed inlet 25 of separator 2, high pressure water system It system 3 and is repaired with disintegration expect that device 1, separator 2 are connected respectively.Wherein the disintegration repairs material device 1 mainly using including 1 Grinding disintegration Xiu Liao mechanism is hit in grade centrifugation, and wherein building waste is got rid of on barrel at a high speed under centrifugation of batch mixing pan 13 or so Wearing plate, generates hard hit and grinding, disintegration, the soft texture for removing building waste particle surface, sharp corners fines and Building waste intragranular disintegration is sand grains, stone grain and high calcium silicoaluminous hydrochlorate material fines slurry by crack defect.

The separator 2 mainly uses rotary type separator, sieves 22 and comprising line shaft 21, coaxial rotating building stones Sand material screen 23, shell 24, feed inlet 25, row stone mouth 26, sand removing hole 27, thick liquid discharge mouth 28, the stone grain being disintegrated, sand grains and high calcium silicon Aluminate material fines slurry mixture is separated in revolution separator 2, respectively from Pai Shikou 26, sand removing hole 27, plasma discharge Mouth 28 is discharged, and the high pressure water system 3 includes high-pressure hydraulic pump 31, injector head 32, high-pressure water pipe 33, and wherein high-pressure hydraulic pump is used for High pressure water flow is pumped, the high-pressure water pipe 33 connects injector head 32 and high-pressure hydraulic pump 31, injector head 32 are separately fixed at cylinder The top on 12 tops and shell 24, cleans material and is sprayed.

Working principle: being crushed to partial size 50mm discarded concrete particulate material below, enters by feed inlet 11 and collapses Solution repairs material device 1 and carries out centrifugation shock and grinding, removes the soft texture of building waste particle surface, sharp corners fines and splits After gap defect, stone grain, sand grains and high calcium silicoaluminous hydrochlorate material fines slurry mixture are formed, and carry out revolution point in separator 2 From the bulk materials such as building stones are discharged from Pai Shikou 26, and sandstone material is discharged from sand removing hole 27, and slurry is discharged from thick liquid discharge mouth 28.

Embodiment 2

Referring to Fig. 2, the present embodiment repairs material mode using the disintegration of wet process three-level, including disintegration repair material device 1, separator 2, High pressure water system 3, filtering and purifying 4, fines conveying equipment 5, sand material conveying equipment 6, building stones conveying equipment 7；With embodiment 1 Difference be:

The disintegration repairs material device and repairs material device, Pai Shikou, the sand removing hole of the separator 2 using three-level disintegration It is connected respectively with building stones conveying equipment 7, sand material conveying equipment 6, and building stones, sand material is transferred to stockyard；The row of separator 2 Slurry mouth is connected with filtering and purifying 4, and filtered fines is transported to fines library by fines conveying equipment 5, filtered Middle water carries out reuse, is drawn into high pressure water system by the high-pressure hydraulic pump 31 in high pressure water system 3, and spray by injector head 32 Material device 1 is repaired, in separator 2 to disintegration, the processing such as is cleaned, sprays disintegration to material.

Embodiment 3

Referring to Fig. 3, the present embodiment repairs material mode using the disintegration of dry method level-one, including disintegration repair material device 1, separator 2, Material circulation device 8, powder purification device 9, blower 10；Difference with embodiment 1 is:

The discharge port 12 that material device 1 is repaired in the disintegration is connected with the feed inlet 25 of separator 2, material circulation device 8 import exports to repair with the outlet of separator 2 with disintegration respectively and expects that device 1 is connected, the powder purification device 9 Feed inlet repairs material device 1 with disintegration respectively, the dust-exhausting port of separator 2 is connected, the suction opening of the powder purification device 9 It is connected with blower 10, realization repairs material device 1 to disintegration, the negative pressure of separator 2 works and gathers dust.Wherein separator 2 is adopted With vibrating screen separator, material is separated by the vibration of vibrating motor 21, wherein underproof cycle stock is discharged into object Expect circulator 8, the building stones, sand material, three component of fines for meeting use condition are discharged respectively and are transported to different stockyards or warehouse.

Those skilled in the art can carry out various modifications to the utility model and modification, if these modifications and variations Within the scope of the claims of the present invention and its equivalent technology, then these modifications and variations are also in the guarantor of the utility model Within the scope of shield.

The prior art that the content being not described in detail in specification is known to the skilled person.

Claims (7)

1. utilizing building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, which is characterized in that including building waste Material device is repaired in the disintegration of pellet, and it includes that dry method disintegration repairs material device and material device, institute are repaired in wet process disintegration that material device is repaired in the disintegration It states dry method disintegration and repairs material device and repaired using the centrifugation of mechanical centrifugal power kinetic energy and expect device or sprayed using the circulation of compressed air kinetic energy Sand repairs material device or repairs material device using the star spiral of helical blade rotary kinetic energy or utilize centrifugal force kinetic energy and pressure simultaneously Material device or simultaneously stirring using centrifugal force kinetic energy and helical blade rotary kinetic energy are repaired in the circulating centrifugal atomization of contracting aerodynamic energy The formula of mixing repairs material device, the wet process disintegration repair material device using the circulating jet of high pressure water flow kinetic energy repair material device or using from The rinsing type centrifugation of mental and physical efforts kinetic energy is repaired material device or is disintegrated simultaneously using the wet type of circulation high pressure water flow kinetic energy and centrifugal force kinetic energy Repair material device.

2. according to claim 1 utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, feature It is, be additionally provided with separator, the feed inlet of the separator is connected with the mixed material outlet that material device is repaired in disintegration, Sand, stone, the fines slag discharge gate of separator are connected with stockyard/storehouse conveying equipment of sand, stone, fines slag respectively.

3. it is according to claim 1 or 2 using building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, It is characterized in that, is additionally provided with including purification device, the purification device is powder purification apparatus or filtering and purifying, dust purification The exhaust outlet of exhaust outlet and separator that the import of device repairs material device with disintegration respectively is connected, powder purification apparatus Discharge gate is connected with fines stockyard/storehouse conveying equipment, and the mud that material device is repaired in the import and disintegration of filtering and purifying is arranged The mud or muddy water discharge gate of material mouth, and/or separator are connected, the fines slag discharge gate and fines slag of filtering and purifying Stockyard/storehouse is connected, the discharge outlet of filtering and purifying be connected with the water inlet that material device is repaired in disintegration or with circulating water pool/case It is connected.

4. it is according to claim 1 or 2 using building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, Be characterized in that, be additionally provided with material circulation device, blowing plant and/or high-pressure water device, the material circulation device into Material mouth is connected with the recycle stock discharge gate that material device is repaired in disintegration, and material device is repaired in the discharge port of material circulation device and disintegration Material inlet is connected, and the compressed air inlet pipe mouth of material device is repaired in the high pressure draught outlet of the blowing plant with disintegration It is connected, the water inlet of the high-pressure water device is connected with the discharge outlet of filtering and purifying or circulating water pool/water tank, high pressure The high pressure water flow outlet of water installations is connected with the high pressure water water inlet that material device is repaired in disintegration.

5. according to claim 2 utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, feature It is, it is that integral type building waste intragranular disintegration repairs material machine that the separator can repair material device Integration Design with disintegration.

6. according to claim 3 utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, feature It is, it is that integral type building waste intragranular disintegration repairs material machine that the purification device can repair material device Integration Design with disintegration.

7. according to claim 4 utilize building waste sand, the change system of stone and high calcium silicoaluminous hydrochlorate material, feature It is, the material circulation device, and/or blowing plant or high-pressure water device can repair material device Integration Design with disintegration Material machine is repaired for integral type building waste intragranular disintegration.