CN101805141B - Method for producing building brick raw material by using urban building waste mud - Google Patents

Method for producing building brick raw material by using urban building waste mud Download PDF

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Publication number
CN101805141B
CN101805141B CN201010136941XA CN201010136941A CN101805141B CN 101805141 B CN101805141 B CN 101805141B CN 201010136941X A CN201010136941X A CN 201010136941XA CN 201010136941 A CN201010136941 A CN 201010136941A CN 101805141 B CN101805141 B CN 101805141B
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China
Prior art keywords
mud
mummifying pool
rate
diluted
pool
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Expired - Fee Related
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CN201010136941XA
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Chinese (zh)
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CN101805141A (en
Inventor
许宗
吕志刚
龚秋萍
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Jiangsu Jiangda Ecological Technology Co Ltd
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Jiangsu Jiangda Ecological Technology Co Ltd
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Priority to CN201010136941XA priority Critical patent/CN101805141B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention relates to a method for producing a building brick raw material by using urban building waste mud, which comprises the following steps of: (1) collectively transporting the waste mud of the building waste mud to a mud storage pool; (2) setting a drying pool, namely uniformly setting crisscross seepage tunnels at the bottom of the drying pool, fully filling the seepage tunnels with sand to form yellow sand blind ditches, and setting a plurality of collecting wells on the periphery of the drying pool; (3) diluting the building waste mud until the mud rate is less than or equal to 15 percent to form diluted mud, conveying the diluted mud to the drying pool, adding a cationic flocculating agent into the drying pool at the same time according to the addition of 10 to 25 milligrams per one kilogram of the diluted mud, flocculating the diluted mud, and discharging a supernatant fluid; and (4) assembling lower layer mud to the collecting wells through further water leakage by the yellow sand blind ditches, wherein 30 to 50 days later, the lower layer mud becomes dry mud, namely the building brick raw material, with the mud rate of 60 to 70 percent. In the method, the waste mud is treated in centralization, and building bricks prepared from the waste mud can be used for urban constructions again to ensure that a city develops in a healthy way.

Description

Utilize the urban architecture discarded slurry to produce the method for building brick raw material
Technical field
The present invention relates to a kind of method that solves the urban architecture discarded slurry, especially a kind of method of utilizing the urban architecture discarded slurry to produce the building brick raw material.
Background technology
Traditional brickmaking mode is to be main raw material with the clay, has has seriously occupied the arable land.Comprehensive production and the use of forbidding clay brick of government.Fast development along with city and market town, the real estate large-scale development, city underground, viaduct is newly-built, taken a large amount of discarded slurries out of, according to investigation, a medium-sized city will produce the above discarded slurry of 10,000 sides every day, large size city will produce 20,000 sides even the above discarded slurry of 30,000 sides, this brings great trouble to disposal, the construction site is all given tank car or barging family the discarded slurry bag at present, and often take to water drain at these transportation families, the river course, the mountain depression mode of falling of stealing lack of standardization is discharged, cause sewerage system to stop up, river channel sedimentation influences resident living and vessel shipping safety, has caused the great attention of government.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of method of utilizing the urban architecture discarded slurry to produce the building brick raw material is provided, can solve the recycling of urban waste mud.
According to technical scheme provided by the invention, the described method of utilizing the urban architecture discarded slurry to produce the building brick raw material comprises the steps:
(1) construction waste mud is concentrated is transported to mud and deposits the pond;
(2) mummifying pool is set: each mummifying pool capacity is 20~30 ten thousand steres, in the bottom of mummifying pool (1) crisscross infiltration tunnel is set evenly, the infiltration tunnel fills up with sand and forms sand french drain (2), in the periphery of mummifying pool (1) several pump wells (3) is set;
(3) with mud containing rate be 20~30% construction waste mud, through being diluted to mud containing rate≤15%, form dilution mud, and through pipe-line transportation to the mummifying pool that sets, add cationic flocculant simultaneously, the add-on of cationic flocculant is 10~25 a mg/kg dilution mud; Described cationic flocculant is diluted to 1~2 ‰ cationic flocculant solution earlier when being added into mummifying pool; The dilution mud that enters mummifying pool flocculated through 1~2 minute under the effect of cationic flocculant, mud-water separation, and with the supernatant liquor discharging, the mud containing rate of lower floor's mud is 35%~40%;
(4) the lower floor's mud particle that forms through the flocculation back becomes big, help infiltration, the yellow ground french drain further is pooled to pump well with the infiltration of lower floor's mud, the water of pump well can pass through the water pump pump drainage, after 30~50 days, it is 60%~70% mummification mud that lower floor's mud becomes mud containing rate, promptly becomes the raw material of building brick.
The present invention makes rational planning for, leaves concentratedly, decrement digestion, recycle, and purpose is that the construction site can normal construction, and discarded slurry can centrally dispose, and the building brick that discarded slurry is made can be used for urban construction again, is developed in a healthy way in the city.
Description of drawings
Fig. 1 is the structural representation of mummifying pool.
Fig. 2 is the sectional view of mummifying pool.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
Cationic flocculant used in the present invention is the cationic polyacrylamide that Suzhou Industrial Park Wo Pu Science and Technology Ltd. produces, product performance are as described in the http://www.wopro.com.cn/athena/offerdetail/sale/wopro-1034289-1 95985936.html, outward appearance is white or little yellow, molecular weight is 300~1,200 ten thousand, solid content 〉=88%, effectively the pH scope is 1~14, and the ionization degree is 20~70%, residual monomer content≤0.05%.
Cationic polyacrylamide is by cationic monomer (DM, DMC, CPF, DMDAAC, DMAEMA etc.) and acrylamide copolymerization, forms product appearance be white in color fine particle or pulverulent solids through granulation, drying, pulverizing.Cationic polyacrylamide is a kind of polymer coagulant aids commonly used, has the effect of intensive adsorption bridging, tiny dispersive flco is become fine and close and thick, and then improves flocculating effect.
Embodiment one: a kind of method of utilizing the urban architecture discarded slurry to produce the building brick raw material comprises the steps:
(1) construction waste mud is concentrated is transported to mud and deposits the pond;
(2) mummifying pool is set: each mummifying pool capacity is 20 ten thousand steres, in the bottom of mummifying pool 1 crisscross infiltration tunnel is set evenly, and the infiltration tunnel fills up with sand and forms yellow ground french drain 2, and several pump wells 3 are set in the periphery of mummifying pool 1;
(3) with mud containing rate be 20% construction waste mud, through being diluted to mud containing rate≤15%, form dilution mud, and through pipe-line transportation to the mummifying pool that sets, add cationic polyacrylamide simultaneously, the add-on of cationic polyacrylamide is 10 a mg/kg dilution mud; Described cationic polyacrylamide is diluted to concentration earlier when being added into mummifying pool be 1 ‰ cationic polyacrylamide solution; The dilution mud that enters mummifying pool flocculated under the effect of cationic polyacrylamide in 1~2 minute, mud-water separation, and with the supernatant liquor discharging, the mud containing rate of lower floor's mud is 40%;
(4) the lower floor's mud particle that forms through the flocculation back becomes big, helps infiltration, and the yellow ground french drain further is pooled to pump well with the infiltration of lower floor's mud, the water of pump well can pass through the water pump pump drainage, after 30 days, it is 70% mummification mud that lower floor's mud becomes mud containing rate, promptly becomes the raw material of building brick.
Embodiment two: a kind of method of utilizing the urban architecture discarded slurry to produce the building brick raw material comprises the steps:
(1) construction waste mud is concentrated is transported to mud and deposits the pond;
(2) mummifying pool is set: each mummifying pool capacity is 30 ten thousand steres, in the bottom of mummifying pool 1 crisscross infiltration tunnel is set evenly, and the infiltration tunnel fills up with sand and forms yellow ground french drain 2, and several pump wells 3 are set in the periphery of mummifying pool 1;
(3) with mud containing rate be 30% construction waste mud, through being diluted to mud containing rate≤15%, form dilution mud, and through pipe-line transportation to the mummifying pool that sets, add cationic polyacrylamide simultaneously, the add-on of cationic polyacrylamide is 25 a mg/kg dilution mud; Described cationic polyacrylamide is diluted to concentration earlier when being added into mummifying pool be 2 ‰ cationic polyacrylamide solution; The dilution mud that enters mummifying pool flocculated under the effect of cationic polyacrylamide in 1~2 minute, mud-water separation, and with the supernatant liquor discharging, the mud containing rate of lower floor's mud is 35%;
(4) the lower floor's mud particle that forms through the flocculation back becomes big, helps infiltration, and the yellow ground french drain further is pooled to pump well with the infiltration of lower floor's mud, the water of pump well can pass through the water pump pump drainage, after 50 days, it is 60% mummification mud that lower floor's mud becomes mud containing rate, promptly becomes the raw material of building brick.
Embodiment three: a kind of method of utilizing the urban architecture discarded slurry to produce the building brick raw material comprises the steps:
(1) construction waste mud is concentrated is transported to mud and deposits the pond;
(2) mummifying pool is set: each mummifying pool capacity is 25 ten thousand steres, in the bottom of mummifying pool 1 crisscross infiltration tunnel is set evenly, and the infiltration tunnel fills up with sand and forms yellow ground french drain 2, and several pump wells 3 are set in the periphery of mummifying pool 1;
(3) with mud containing rate be 25% construction waste mud, through being diluted to mud containing rate≤15%, form dilution mud, and through pipe-line transportation to the mummifying pool that sets, add cationic polyacrylamide simultaneously, the add-on of cationic polyacrylamide is 20 a mg/kg dilution mud; Described cationic polyacrylamide is diluted to concentration earlier when being added into mummifying pool be 1.5 ‰ cationic polyacrylamide solution; The dilution mud that enters mummifying pool flocculated under the effect of cationic polyacrylamide in 1~2 minute, mud-water separation, and with the supernatant liquor discharging, the mud containing rate of lower floor's mud is 38%;
(4) the lower floor's mud particle that forms through the flocculation back becomes big, helps infiltration, and the yellow ground french drain further is pooled to pump well with the infiltration of lower floor's mud, the water of pump well can pass through the water pump pump drainage, after 40 days, it is 65% mummification mud that lower floor's mud becomes mud containing rate, promptly becomes the raw material of building brick.

Claims (1)

1. a method of utilizing the urban architecture discarded slurry to produce the building brick raw material is characterized in that described method comprises the steps:
(1) construction waste mud is concentrated is transported to mud and deposits the pond;
(2) mummifying pool is set: each mummifying pool capacity is 20~30 ten thousand steres, in the bottom of mummifying pool (1) crisscross infiltration tunnel is set evenly, the infiltration tunnel fills up with sand and forms sand french drain (2), in the periphery of mummifying pool (1) several pump wells (3) is set;
(3) with mud containing rate be 20~30% construction waste mud, through being diluted to mud containing rate≤15%, form dilution mud, and through pipe-line transportation to the mummifying pool that sets, add cationic flocculant simultaneously, the add-on of cationic flocculant is 10~25 a mg/kg dilution mud; Described cationic flocculant is diluted to 1~2 ‰ cationic flocculant solution earlier when being added into mummifying pool; The dilution mud that enters mummifying pool flocculated through 1~2 minute under the effect of cationic flocculant, mud-water separation, and with the supernatant liquor discharging, the mud containing rate of lower floor's mud is 35%~40%;
(4) the lower floor's mud particle that forms through the flocculation back becomes big, help infiltration, the sand french drain further is pooled to pump well with the infiltration of lower floor's mud, the water of pump well can pass through the water pump pump drainage, after 30~50 days, it is 60%~70% mummification mud that lower floor's mud becomes mud containing rate, promptly becomes the raw material of building brick.
CN201010136941XA 2010-03-30 2010-03-30 Method for producing building brick raw material by using urban building waste mud Expired - Fee Related CN101805141B (en)

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CN101805141B true CN101805141B (en) 2011-12-21

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110981296A (en) * 2019-11-28 2020-04-10 上海智平基础工程有限公司 Pressing method brick making process for building waste mud

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1215030A (en) * 1998-09-25 1999-04-28 上海市杨浦区河道管理所 Post-dosing centrifugal dewatering technology for slurry machine used in municipal engineering
CN101376071A (en) * 2008-10-09 2009-03-04 江苏江达生态科技有限公司 Technique for separating mud and water in river and lake deposit
CN101633575A (en) * 2009-07-30 2010-01-27 江苏江达生态科技有限公司 Manufacturing method of light high-intensity water permeability pavement bricks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1215030A (en) * 1998-09-25 1999-04-28 上海市杨浦区河道管理所 Post-dosing centrifugal dewatering technology for slurry machine used in municipal engineering
CN101376071A (en) * 2008-10-09 2009-03-04 江苏江达生态科技有限公司 Technique for separating mud and water in river and lake deposit
CN101633575A (en) * 2009-07-30 2010-01-27 江苏江达生态科技有限公司 Manufacturing method of light high-intensity water permeability pavement bricks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
何静等.絮凝沉降法在河湖底泥处理中对水质的影响.《环境科技》.2009,第22卷(第2期),46-47,50. *

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