CN104909616A - Method for preparing waterproof brick by using waste plastic and waste building material mixing heating pressurization - Google Patents

Method for preparing waterproof brick by using waste plastic and waste building material mixing heating pressurization Download PDF

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Publication number
CN104909616A
CN104909616A CN201510277953.7A CN201510277953A CN104909616A CN 104909616 A CN104909616 A CN 104909616A CN 201510277953 A CN201510277953 A CN 201510277953A CN 104909616 A CN104909616 A CN 104909616A
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CN
China
Prior art keywords
waste
construction waste
plastic
brick
pressurization
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Pending
Application number
CN201510277953.7A
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Chinese (zh)
Inventor
高继慧
孙唯一
许逸群
张舜禹
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Harbin Institute of Technology
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Harbin Institute of Technology
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Priority to CN201510277953.7A priority Critical patent/CN104909616A/en
Publication of CN104909616A publication Critical patent/CN104909616A/en
Pending legal-status Critical Current

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    • 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

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  • Processing Of Solid Wastes (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

The invention discloses a method for preparing a waterproof brick by using waste plastic and waste building material mixing heating pressurization, and relates to a waterproof brick preparation method. A purpose of the present invention is to solve the technical problems of high cost, complex process and poor waterproof effect of the existing waterproof brick preparation. The method comprises: 1, raw material crushing, and 2, mixing, heating pressurization, and cooling. With the method of the present invention, the waste plastic and the waste building material are organically combined so as to substantially improve the recovery re-utilization rate of the waste plastic and the waste building material, and the prepared waterproof brick has the excellent waterproof effect. The method of the present invention is used for preparation of waterproof bricks.

Description

Waste plastic and the pressurization of construction waste Hybrid Heating is utilized to prepare the method for waterproof brick
Technical field
The present invention relates to the method preparing waterproof brick.
Background technology
China produces a large amount of building wastes every year, and wherein plastic garbage accounts for more than 10% of whole municipal wastes, and increases year by year, endangers huge.Nowadays for the process of urban solid garbage (MSW), topmost method is landfill disposal.Domestic at present have refuse landfill more than 700, but its substrates seal engineering is not enough, and percolate is revealed, sewage pollution situation is serious.Meanwhile, roadbed leakage problems is also comparatively outstanding, therefore also progressively improves the requirement of water-proof material.
At present, in the research of this area, it is high to there is cost in the waterproof brick of preparation, complex process, the technical problem of waterproof effect difference.
Summary of the invention
It is high to there is cost in the waterproof brick that the present invention will solve existing preparation, complex process, the technical problem of waterproof effect difference, and provides the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick.
Utilize waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, specifically carry out according to following steps:
One, waste plastic and construction waste are pulverized, obtain plastic grain and construction waste particle;
Two, step one is obtained plastic grain and construction waste particle mixes, put into mould, sealing, is forced into 8 ~ 25MPa, is heated to 100 ~ 160 DEG C, keeps 30 ~ 90min, and cooling, obtains waterproof brick.
The invention has the beneficial effects as follows:
1, by the inventive method, waste plastic and construction waste are combined, greatly improve the recycling rate of the two.
2, take plastics as binding agent, construction waste is structured material, prepares waterproof, moistureproof new waterproof brick.
3, the durable type waterproof brick preventing the efflorescence of brick body is prepared.
4, refuse landfill effluent seepage is solved, the present situation of polluted underground water.
The present invention is for the preparation of waterproof brick.
Accompanying drawing explanation
Fig. 1 is the water-intake rate test curve figure of waterproof brick prepared by embodiment, wherein 1 represents common brick, 2 and represents embodiment three, 3 and represent cement brick, 4 and represent embodiment two;
The photo of the waterproof brick that Fig. 2 ~ 6 are prepared for embodiment, wherein Fig. 2 is embodiment one, Fig. 3 is embodiment two, Fig. 4 is embodiment three, Fig. 5 is embodiment four, Fig. 6 is embodiment five.
Embodiment
Technical solution of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: present embodiment utilizes waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, it is characterized in that what the method was specifically carried out according to following steps:
One, waste plastic and construction waste are pulverized, obtain plastic grain and construction waste particle;
Two, step one is obtained plastic grain and construction waste particle mixes, put into mould, sealing, is forced into 8 ~ 25MPa, is heated to 100 ~ 160 DEG C, keeps 30 ~ 90min, and cooling, obtains waterproof brick.
Embodiment two: present embodiment and embodiment one are mixing of one or both any ratios in polyethylene terephthalate and polyethylene unlike: waste plastic described in step one.Other is identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two are a kind of in common brick, cement brick and ceramic tile unlike: construction waste described in step one or severally arbitrarily mix.Other is identical with embodiment one or two.
Embodiment four: one of present embodiment and embodiment one to three unlike: in step one, plastic grain is of a size of 1 × 1mm 2~ 20 × 20mm 2.Other is identical with one of embodiment one to three.
Embodiment five: one of present embodiment and embodiment one to four unlike: in step one, construction waste particle is of a size of 10 order ~ 40 orders.Other is identical with one of embodiment one to four.
Embodiment six: one of present embodiment and embodiment one to five unlike: in step 2, plastic grain and construction waste particle are (1 ~ 4) according to mass ratio: 5.Other is identical with one of embodiment one to five.
Embodiment seven: one of present embodiment and embodiment one to six unlike: in step 2, plastic grain and construction waste particle are 2: 5 according to mass ratio.Other is identical with one of embodiment one to six.
Embodiment eight: one of present embodiment and embodiment one to seven unlike: be forced into 12 ~ 14MPa in step 2, be heated to 120 ~ 140 DEG C, keep 40 ~ 50min.Other is identical with one of embodiment one to seven.
Embodiment nine: one of present embodiment and embodiment one to eight unlike: step 2 cools in atmosphere.Other is identical with one of embodiment one to eight.
Following examples are adopted to verify beneficial effect of the present invention:
Embodiment one:
The present embodiment utilizes waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, specifically carries out according to following steps:
One, waste plastic PET and construction waste common brick are pulverized, obtain 5 × 5mm 2plastic grain and 24 order construction waste particles;
Two, 20g step one is obtained plastic grain and 50g construction waste particle mixes, put into mould, sealing, is forced into 12MPa, is heated to 140 DEG C, keeps 40min, and cooling, obtains waterproof brick.
Embodiment two:
The present embodiment utilizes waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, specifically carries out according to following steps:
One, waste plastic PE and construction waste cement brick are pulverized, obtain 5 × 5mm 2plastic grain and 24 order construction waste particles;
Two, 20g step one is obtained plastic grain and 50g construction waste particle mixes, put into mould, sealing, is forced into 12MPa, is heated to 120 DEG C, keeps 40min, and cooling, obtains waterproof brick.
Embodiment three:
The present embodiment utilizes waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, specifically carries out according to following steps:
One, waste plastic PET and construction waste cement brick are pulverized, obtain 5 × 5mm 2plastic grain and 24 order construction waste particles;
Two, 20g step one is obtained plastic grain and 50g construction waste particle mixes, put into mould, sealing, is forced into 12MPa, is heated to 140 DEG C, keeps 40min, and cooling, obtains waterproof brick.
Embodiment four:
The present embodiment utilizes waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, specifically carries out according to following steps:
One, waste plastic PE and construction waste ceramic tile are pulverized, obtain 5 × 5mm 2plastic grain and 24 order construction waste particles;
Two, 20g step one is obtained plastic grain and 50g construction waste particle mixes, put into mould, sealing, is forced into 12MPa, is heated to 120 DEG C, keeps 40min, and cooling, obtains waterproof brick.
Embodiment five:
The present embodiment utilizes waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, specifically carries out according to following steps:
One, waste plastic PE and construction waste are pulverized, obtain 5 × 5mm 2plastic grain and 24 order construction waste particles; Wherein construction waste is the mixing of common brick, cement brick and ceramic tile;
Two, 20g step one is obtained plastic grain and 50g construction waste particle mixes, put into mould, sealing, is forced into 12MPa, is heated to 120 DEG C, keeps 40min, and cooling, obtains waterproof brick.
The water-intake rate test curve figure of waterproof brick prepared by above-described embodiment as shown in Figure 1, wherein 1 represent common brick, 2 and represent embodiment three, 3 and represent cement brick, 4 and represent embodiment two, as can be seen from the figure common brick shows obvious water-absorbent in initial for some time of contact water.And quality is afterwards fallen after rise, this there is lime-ash due to common brick surface, can progress in water after contact water, thus quality is fallen after rise.Be because common brick water-absorbent is excellent on the other hand, cause the state that reaches capacity in very short time, no longer absorb water.
The density of waterproof brick prepared by above-described embodiment is as shown in table 1:
Table 1
The waterproof brick prepared by above-described embodiment carries out capillary water absorption test, and concrete operations are as follows:
Waterproof brick except the base each is wrapped up with preservative film, and reserve little venting port at end face, the edge that side reserves 1cm in the part near bottom surface does not wrap up, absorbed from the gap of test specimen side and lapping to prevent liquid water, waterproof brick is contacted with the watch-glass filling liquid water, control waterproof brick to contact with the surface of liquid water, the 30min that often soaks weighs waterproof brick, and the raw data of the water suction quality obtained is as table 2 as far as possible:
Table 2
Pass through calculation formula:
Δm moisture(t)＝m wet，total(t)-m dry，total
Absorption coerfficient (A cap, kg/ (m 2s 0.5)):
A cap = Δ m moisture A t
Saturated water capacity (the w of capillary cap, kg/m 3):
w cap = 1 h · Δ m moisture A cr
Liquid water diffusion coefficient D l(m 2/ s) and penetration by liquid water COEFFICIENT K:
D l = π 4 · ( A cap w cap ) 2
D l = K | dP c dw |
Draw absorption coerfficient and capillary saturated water capacity test data as shown in table 3
Table 3
Can find out, cement brick and common brick can absorb water to state of saturation in very short time, and no matter are absorption coerfficient A cap, the saturated water capacity W of capillary capor liquid water diffusion coefficient D 1 all differs one or two orders of magnitude, waterproof brick prepared by the present invention has very strong water-absorbent.Through adulterating after heating and pressurizing suppression process with plastics, its water-repellancy presented all has and significantly promotes.Therefore, draw: obtained waterproof brick reclaims brick compared to conventional cement brick and common brick and has the performance that good waterproof puts infiltration; Embodiment one has better water resistance.
As figures 2-6, wherein Fig. 2 is embodiment one to the photo of waterproof brick prepared by above-described embodiment, Fig. 3 is embodiment two, Fig. 4 is embodiment three, Fig. 5 is embodiment four, Fig. 6 is embodiment five; As can be seen from the figure fragment of brick surfacing, free of surface defects, Stability Analysis of Structures is fine and close, and surface, without not shaping buoyant, meets the requirements.

Claims (9)

1. utilize waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, it is characterized in that what the method was specifically carried out according to following steps:
One, waste plastic and construction waste are pulverized, obtain plastic grain and construction waste particle;
Two, step one is obtained plastic grain and construction waste particle mixes, put into mould, sealing, is forced into 8 ~ 25MPa, is heated to 100 ~ 160 DEG C, keeps 30 ~ 90min, and cooling, obtains waterproof brick.
2. according to claim 1ly utilize waste plastic and the pressurization of construction waste Hybrid Heating to prepare the method for waterproof brick, it is characterized in that waste plastic described in step one is the mixing of one or both any ratios in polyethylene terephthalate and polyethylene.
3. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that construction waste described in step one is a kind of or several arbitrarily mixing in common brick, cement brick and ceramic tile.
4. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that in step one, plastic grain is of a size of 1 × 1mm 2~ 20 × 20mm 2.
5. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that in step one, construction waste particle is of a size of 10 order ~ 40 orders.
6. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that in step 2, plastic grain and construction waste particle are (1 ~ 4) according to mass ratio: 5.
7. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that in step 2, plastic grain and construction waste particle are 2: 5 according to mass ratio.
8. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that being forced into 12 ~ 14MPa in step 2, is heated to 120 ~ 140 DEG C, keep 40 ~ 50min.
9. the method utilizing waste plastic and the pressurization of construction waste Hybrid Heating to prepare waterproof brick according to claim 1, is characterized in that step 2 cools in atmosphere.
CN201510277953.7A 2015-05-27 2015-05-27 Method for preparing waterproof brick by using waste plastic and waste building material mixing heating pressurization Pending CN104909616A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342855A (en) * 2018-04-03 2019-10-18 临沂斯科瑞聚氨酯材料有限公司 A kind of waste and old concrete regeneration based on environmentally friendly glue prepares environmental protection brick

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103396069A (en) * 2013-07-25 2013-11-20 张玉 Brick made of rubbish and manufacturing method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103396069A (en) * 2013-07-25 2013-11-20 张玉 Brick made of rubbish and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342855A (en) * 2018-04-03 2019-10-18 临沂斯科瑞聚氨酯材料有限公司 A kind of waste and old concrete regeneration based on environmentally friendly glue prepares environmental protection brick

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