CN102320082A - System and method for recycling cleaning slurry water and waste residues in concrete production - Google Patents
System and method for recycling cleaning slurry water and waste residues in concrete production Download PDFInfo
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- CN102320082A CN102320082A CN201110282716A CN201110282716A CN102320082A CN 102320082 A CN102320082 A CN 102320082A CN 201110282716 A CN201110282716 A CN 201110282716A CN 201110282716 A CN201110282716 A CN 201110282716A CN 102320082 A CN102320082 A CN 102320082A
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Abstract
The invention relates to a system and a method for recycling cleaning slurry water and waste residues in concrete production. The system comprises a concrete stirring and conveying vehicle for washing, washing equipment of concrete production and pumping equipment, sand and cobble special separation equipment for separating washed sand from washed cobble, a slurry water recycling tank for recycling the cleaning slurry water, test equipment for detecting the solid content of the cleaning slurry water and a sewage pump for mixing the cleaning slurry water, instead of a part of cleaning water, in concrete production stirring equipment. Because the slurry water generated for cleaning the concrete stirring and conveying vehicle and the concrete production and pumping equipment and the waste residues thereof are completely recycled, the use amount of fly ash is reduced, resources of enterprises can be saved, the economic benefit is increased, the pollution problem of concrete production enterprises is solved, and the environment-friendly conversion and the sustainable development can be realized.
Description
Technical field
The invention belongs to the technical field of building energy conservation environmental protection and twice laid.
Background technology
The used concrete of traditional engineering construction basically all is through concrete production concentration of enterprises production and supply; Transporting the agitator truck that concrete dispatches from the factory must clean by regulation, and the mixing plant of concrete mixing plant, concrete mixer etc. also need clean according to the operation situation, through measuring and calculating; Produce 1000000 cubes of concrete medium-sized mixing plants per year for one; Contracts is cleaned about 59400 tons of pulp-water, 81480 tons in waste residue, and these pulp-waters and waste residue are perplexing concrete production enterprise always.Normal conditions are that pulp-water is directly emitted through simple deposition, water source around the pulp-water of discharging had both polluted, and around having caused again harden in the farmland, soil property worsens and silting up drainage system; The waste residue that produces mostly adopts land-fill method to dispose, and has not only wasted a large amount of landfill soils, also can be impurely down with peripheral water resource, concrete production enterprise is a unwelcome extremely unfriendly type enterprise.
Summary of the invention
The purpose of this invention is to provide a kind of concrete production that realizes and clean the system and method for pulp-water and waste residue recycling, solve the problem of environmental pollution of concrete production enterprise.
For realizing above-mentioned purpose; The present invention adopts following technical scheme: a kind of concrete production that realizes is cleaned the system of pulp-water and waste residue recycling, it is characterized in that: sand and the stone dedicated separation equipment that said system comprises the flushing device that is used to wash concrete mixing and transporting car, concrete production and pumping equipment, be used for the sandstone that develops is separated, be used to reclaim the pulp-water recovery pond that cleans pulp-water, be used to check the testing equipment that cleans the pulp-water solid content and be used for cleaning pulp-water instead of part clear water is mixed the sewage pump of concrete production mixing plant.
A kind of concrete production that realizes is cleaned the method for pulp-water and waste residue recycling, and it is characterized in that: use described system, its step is following:
(1), with flushing device concrete mixing and transporting car, concrete production and pumping equipment are washed earlier;
(2), the waste residue that after washing, forms of residual concrete gets into sand and stone dedicated separation equipment through hopper; Through in sand and stone dedicated separation equipment, injecting recirculated water continuously; And the inflow and the water spray pressure of recirculated water are injected in control; Cleaning pulp-water medium sand and stone are washed fully; Through screening after the recovery sand that discharging opening separately comes out with reclaim stone and be sent to sand stock ground and stone stock ground respectively, simultaneously, the cleaning pulp-water that residual concrete forms through flushing is from the grout outlet outflow of sand and stone dedicated separation device bottom and collect in the pulp-water recovery pond;
(3), with the solid content that cleans pulp-water in the check test Equipment Inspection pulp-water recovery pond;
(4), the solid content of controlling the concrete mixing water of having mixed the cleaning pulp-water is in 2～4%; According to Ministry of Construction's " concrete water standard " (JGJ63-2006) in the concrete mixing water supply standard detect its pH value of pulp-water>=4.5; Insoluble matter≤2000mg/L; Cl-content≤1000mg/L will clean pulp-water instead of part clear water and mix in the concrete production mixer as the concrete mixing water, be used for strength grade C30 and following concrete production; Clean the cement, flyash and the additive fine particle that contain in the pulp-water and replace 1～10% flyash, produce the flyash mixed and amount that reduces below 10% than routine.
Clean the pulp-water solid content in the said detection pulp-water recovery pond and can adopt manual sampling, the detection method of every day timing or not timing or employing autoelectrinic densimeter detect in real time and clean the pulp-water solid content.
Said cleaning pulp-water solid content medium sand clay content is less than 3%, and stone contains mud less than 1%.
But the said recovery sand that sand and stone dedicated separation device separates are gone out with reclaim stone agency department and divide sandstone to join in the mixer, carry out concrete production.
Compared with prior art the present invention has following characteristics and beneficial effect: the sand of Separation and Recovery and stone among the present invention; As long as the inflow and the water spray pressure of recirculated water are injected in control; Sand and stone are washed fully, and its clay content index can reach the requirement of relative national standards fully.
Process of the present invention is characterized in that controlling the solid content of the concrete mixing water of having mixed the cleaning pulp-water at 2-4%.Using solid content is behind 4% the concrete mixing water, and comparable conventional production reduced flyash mixed 10% below and measured.
The present invention economizes on resources enterprises implement, reduces cost, and increases economic efficiency, and solves the problem of environmental pollution of concrete production enterprise, realizes eco-friendly transformation and sustainable development.
The present invention has used this process and has produced up-to-standard commerical ready-mixed concrete through application practice, and effect is remarkable.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
Fig. 1 is a process chart of the present invention.
The specific embodiment
Referring to Fig. 1; A kind of concrete production that realizes is cleaned the system of pulp-water and waste residue recycling, it is characterized in that: sand and the stone dedicated separation equipment that said system comprises the flushing device that is used to wash concrete mixing and transporting car, concrete production and pumping equipment, be used for the sandstone that develops is separated, be used to reclaim the pulp-water recovery pond that cleans pulp-water, be used to check the testing equipment that cleans the pulp-water solid content and be used for cleaning pulp-water instead of part clear water is mixed the sewage pump of concrete production mixing plant.
A kind of concrete production that realizes is cleaned the method for pulp-water and waste residue recycling, and it is characterized in that: use described system, its step is following:
(1), with flushing device concrete mixing and transporting car, concrete production and pumping equipment are washed earlier;
(2), the waste residue that after washing, forms of residual concrete gets into sand and stone dedicated separation equipment through hopper; Through in sand and stone dedicated separation equipment, injecting recirculated water continuously; And the inflow and the water spray pressure of recirculated water are injected in control; Cleaning pulp-water medium sand and stone are washed fully; Through screening after the recovery sand that discharging opening separately comes out with reclaim stone and be sent to sand stock ground and stone stock ground respectively, simultaneously, the cleaning pulp-water that residual concrete forms through flushing is from the grout outlet outflow of sand and stone dedicated separation device bottom and collect in the pulp-water recovery pond;
(3), with the solid content that cleans pulp-water in the check test Equipment Inspection pulp-water recovery pond;
(4), the solid content of controlling the concrete mixing water of having mixed the cleaning pulp-water is in 2～4%; According to Ministry of Construction's " concrete water standard " (JGJ63-2006) in the concrete mixing water supply standard detect its pH value of pulp-water>=4.5; Insoluble matter≤2000mg/L; Cl-content≤1000mg/L will clean pulp-water instead of part clear water and mix in the concrete production mixer as the concrete mixing water, be used for strength grade C30 and following concrete production; Clean the cement, flyash and the additive fine particle that contain in the pulp-water and replace 1～10% flyash, produce the flyash mixed and amount that reduces below 10% than routine.Detect and test each item performance indications requirement that the concrete that process of the present invention is produced reaches related standards, produce qualified concrete product.
Clean the pulp-water solid content in the said detection pulp-water recovery pond and can adopt manual sampling, the detection method of every day timing or not timing or employing autoelectrinic densimeter detect in real time and clean the pulp-water solid content.
Said cleaning pulp-water solid content medium sand clay content is less than 3%, and stone contains mud less than 1%.
But the said recovery sand that sand and stone dedicated separation device separates are gone out with reclaim stone agency department and divide sandstone to join in the mixer, carry out concrete production.
For detect reclaiming in the pulp-water fine particles such as cement, flyash and additive to the influence of concrete strength; The present invention has mixed the mixing water that reclaims pulp-water and has used the method that drinking water is compared as mixing water through application, strength of cement mortar and concrete crushing strength and slump have been done lot of test.
Result of the test such as table one that 42.5 Portland cements of certain brand of usefulness are done by current national standard " Test method for strength of hydraulic cement mortar (ISO method) " (GBT17671-1999):
Mixed and cleaned in the mixing water of pulp-water; Fine particle solid contents such as its cement, flyash and additive reach and also can satisfy 3 days, 28 days cement mortar strengths at 6% o'clock and be not less than 90% requirement; But when solid content surpassed 4%, glue sand flowability decreased, the service behaviour variation.
With C20, C30 benchmark proportioning, like table two as compressive strength test:
When the solid content of confirming mixing water is 4%, the result of the test such as the table three that adopt different flyash replacement amounts to be done:
When the solid content of confirming the concrete mixing water is 2～4%; Flyash replacement amount is no more than at 10% o'clock; C30 and the concrete workability of following strength grade and 7 days, 28 days compression strength can both satisfy the requirement of respective standard; After flyash replacement amount surpassed 10%, the concrete slump of each strength grade obviously increased, and its intensity is step-down also.
Produce mixing water and flyash replacement measuring embodiment such as table four through preferred C30 of test and following strength grade commerical ready-mixed concrete:
Claims (5)
1. realize that concrete production cleans the system of pulp-water and waste residue recycling for one kind, it is characterized in that: sand and the stone dedicated separation equipment that said system comprises the flushing device that is used to wash concrete mixing and transporting car, concrete production and pumping equipment, be used for the sandstone that develops is separated, be used to reclaim the pulp-water recovery pond that cleans pulp-water, be used to check the testing equipment that cleans the pulp-water solid content and be used for cleaning pulp-water instead of part clear water is mixed the sewage pump of concrete production mixing plant.
2. realize that concrete production cleans the method for pulp-water and waste residue recycling for one kind, it is characterized in that: application rights requires 1 described system, and its step is following:
(1), with flushing device concrete mixing and transporting car, concrete production and pumping equipment are washed earlier;
(2), the waste residue that after washing, forms of residual concrete gets into sand and stone dedicated separation equipment through hopper; Through in sand and stone dedicated separation equipment, injecting recirculated water continuously; And the inflow and the water spray pressure of recirculated water are injected in control; Cleaning pulp-water medium sand and stone are washed fully; Through screening after the recovery sand that discharging opening separately comes out with reclaim stone and be sent to sand stock ground and stone stock ground respectively, simultaneously, the cleaning pulp-water that residual concrete forms through flushing is from the grout outlet outflow of sand and stone dedicated separation device bottom and collect in the pulp-water recovery pond;
(3), with the solid content that cleans pulp-water in the check test Equipment Inspection pulp-water recovery pond;
(4), the solid content of controlling the concrete mixing water of having mixed the cleaning pulp-water is in 2～4%; According to Ministry of Construction's " concrete water standard " (JGJ63-2006) in the concrete mixing water supply standard detect its pH value of pulp-water>=4.5; Insoluble matter≤2000mg/L; Cl-content≤1000mg/L will clean pulp-water instead of part clear water and mix in the concrete production mixer as the concrete mixing water, be used for strength grade C30 and following concrete production; Clean the cement, flyash and the additive fine particle that contain in the pulp-water and replace 1～10% flyash, produce the flyash mixed and amount that reduces below 10% than routine.
3. realization concrete production according to claim 2 is cleaned the method for pulp-water recycling; It is characterized in that: cleaning the pulp-water solid content in the said detection pulp-water recovery pond is to adopt manual sampling, and the detection method of every day timing or not timing or employing autoelectrinic densimeter detect in real time and clean the pulp-water solid content.
4. realization concrete production according to claim 2 is cleaned the method for pulp-water recycling, and it is characterized in that: said cleaning pulp-water solid content medium sand clay content is less than 3%, and stone contains mud less than 1%.
5. realization concrete production according to claim 2 is cleaned the method for pulp-water recycling; It is characterized in that: the said recovery sand that sand and stone dedicated separation device separates are gone out with reclaim stone agency department and divide sandstone to join in the mixer, carry out concrete production.
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| CN201110282716A CN102320082A (en) | 2011-09-22 | 2011-09-22 | System and method for recycling cleaning slurry water and waste residues in concrete production |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797287A (en) * | 2012-09-04 | 2012-11-28 | 天津港保税区航保商品砼供应有限公司 | Slurry-water recovery system and method |
| CN103406345A (en) * | 2013-08-29 | 2013-11-27 | 平湖南方混凝土制品有限公司 | Comprehensive utilization process of wastewater and waste residues in concrete mixing station |
| CN103410193A (en) * | 2013-07-23 | 2013-11-27 | 无锡市大通混凝土有限公司 | Concrete production wastewater and rainwater reusing system |
| CN103601259A (en) * | 2013-11-27 | 2014-02-26 | 三一汽车制造有限公司 | Wastewater recycling system and mixing station |
| CN105082361A (en) * | 2015-07-01 | 2015-11-25 | 山东柳工混凝土设备有限公司 | Waste residue utilization system of concrete mixing plant and operation technology |
| CN106079102A (en) * | 2016-08-04 | 2016-11-09 | 云南建工集团曲靖建材有限公司 | A kind of concrete mixing plant waste recovery Application way and system thereof |
| RU2667367C1 (en) * | 2017-11-22 | 2018-09-19 | Артем Сергеевич Коган | Method of producing concrete mixture with utilization of previously produced residues thereof |
| WO2018199806A1 (en) | 2017-04-26 | 2018-11-01 | Артем Сергеевич КОГАН | Method for producing a concrete mix by recycling residues thereof, and mixer |
| CN109531823A (en) * | 2018-12-18 | 2019-03-29 | 四川骏峰建筑工程机械有限公司 | A kind of feed proportioning system and distribution of stable soil |
| CN110181689A (en) * | 2019-05-08 | 2019-08-30 | 北京城建九混凝土有限公司 | A kind of operating procedure of concrete mixing plant waste recovery systems |
| RU2737954C1 (en) * | 2019-11-27 | 2020-12-07 | Виктор Павлович Ремез | Method of processing liquid radioactive wastes containing, among other things, tritium isotopes |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797287A (en) * | 2012-09-04 | 2012-11-28 | 天津港保税区航保商品砼供应有限公司 | Slurry-water recovery system and method |
| CN103410193A (en) * | 2013-07-23 | 2013-11-27 | 无锡市大通混凝土有限公司 | Concrete production wastewater and rainwater reusing system |
| CN103406345A (en) * | 2013-08-29 | 2013-11-27 | 平湖南方混凝土制品有限公司 | Comprehensive utilization process of wastewater and waste residues in concrete mixing station |
| CN103601259A (en) * | 2013-11-27 | 2014-02-26 | 三一汽车制造有限公司 | Wastewater recycling system and mixing station |
| CN105082361B (en) * | 2015-07-01 | 2018-02-27 | 山东柳工混凝土设备有限公司 | A kind of concrete mixing plant waste material residue utilizes system and operating procedure |
| CN105082361A (en) * | 2015-07-01 | 2015-11-25 | 山东柳工混凝土设备有限公司 | Waste residue utilization system of concrete mixing plant and operation technology |
| CN106079102A (en) * | 2016-08-04 | 2016-11-09 | 云南建工集团曲靖建材有限公司 | A kind of concrete mixing plant waste recovery Application way and system thereof |
| CN106079102B (en) * | 2016-08-04 | 2018-11-27 | 云南建投绿色高性能混凝土股份有限公司 | A kind of concrete mixing plant waste recovery utilizes system and method |
| WO2018199806A1 (en) | 2017-04-26 | 2018-11-01 | Артем Сергеевич КОГАН | Method for producing a concrete mix by recycling residues thereof, and mixer |
| RU2667367C1 (en) * | 2017-11-22 | 2018-09-19 | Артем Сергеевич Коган | Method of producing concrete mixture with utilization of previously produced residues thereof |
| CN109531823A (en) * | 2018-12-18 | 2019-03-29 | 四川骏峰建筑工程机械有限公司 | A kind of feed proportioning system and distribution of stable soil |
| CN110181689A (en) * | 2019-05-08 | 2019-08-30 | 北京城建九混凝土有限公司 | A kind of operating procedure of concrete mixing plant waste recovery systems |
| RU2737954C1 (en) * | 2019-11-27 | 2020-12-07 | Виктор Павлович Ремез | Method of processing liquid radioactive wastes containing, among other things, tritium isotopes |
| WO2021107811A1 (en) * | 2019-11-27 | 2021-06-03 | Виктор Павлович РЕМЕЗ | Method for processing liquid tritium-containing radioactive waste |
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Application publication date: 20120118 |