CN101607782B - Waste jet grouting cement paste fast dewatering method and device thereof - Google Patents
Waste jet grouting cement paste fast dewatering method and device thereof Download PDFInfo
- Publication number
- CN101607782B CN101607782B CN2009100631243A CN200910063124A CN101607782B CN 101607782 B CN101607782 B CN 101607782B CN 2009100631243 A CN2009100631243 A CN 2009100631243A CN 200910063124 A CN200910063124 A CN 200910063124A CN 101607782 B CN101607782 B CN 101607782B
- Authority
- CN
- China
- Prior art keywords
- clear water
- pump
- water
- cement paste
- slag charge
- 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.)
- Active
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a waste jet grouting cement paste fast dewatering method and device thereof, relating to waste cement paste treatment. The steps of sieving pretreatment, adding chemical agent, stirring and extrusion dewatering are adopted, water and slag in the waste cement paste can be separated by a special device, the slag after separation is only 25% of the original waste cement paste in volume, and meanwhile the slag after blow drying can be transported by a common vehicle while clear water which is 60-75% of the original waste cement paste in volume can be obtained for pulping again. The invention can save raw materials, protect environment and reduce construction cost.
Description
Technical field
The present invention relates to the useless slurry of cement and handle, particularly a kind of fast dewatering method of waste jet grouting cement paste and equipment thereof.
Background technology
Along with the development of urban construction, the rotary-spraying construction method is used in constructions such as foundation stabilization, ground sealing, diaphram wall widely.But rotary-spraying construction can produce a large amount of discarded cement grouts.The current discarded slurries treating method of taking is to store with mud pit or mud pit in the venue, reach certain reserves after, transport outward with special-purpose tank car.There is following drawback in this processing mode: the one, and need bigger place or stock tank and deposit useless slurry; The 2nd, the outer freight volume of slurries is bigger, uses large-scale special-purpose tank car to be not easy to transportation on busy urban road; The 3rd, slurries contain part cement and stratum soil, easily produce in transportation and precipitate and solidify, and are not easy to cleaning in special-purpose tank car; The 4th, need to use special-purpose vehicle, cost is higher; The 5th, contain in the discarded cement grout that large quantity of moisture is also outer simultaneously to be abandoned, need a large amount of waters to come slurrying in the practice of construction again, produced on the one hand abandoning a large amount of again on the one hand supplementing water of slurry in a large number and come the contradiction of slurrying.
Summary of the invention
Technical problem to be solved by this invention provides a kind of fast dewatering method and equipment thereof of waste jet grouting cement paste, the water in the slurry that gives up can be separated with slag charge, and the water after the separation can continue slurrying, and slag charge can transport with common vehicle.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of fast dewatering method of waste jet grouting cement paste, carry out according to the following steps:
1) preliminary treatment: useless slurry is collected after delivery pump is delivered to pre-screening plant, particle diameter in the useless slurry is sifted out greater than the particle of 1mm obtain one-level and handle slag charge;
2) stirring, chemical agent add: the slurry transportation after will sieving is in the one-level stock tank that is provided with agitator, add acid, alkali as required in order to adjust the pH value of mud, equipment is cleaned or pushes the requirement that the back clear water repeats slurrying to satisfy the discharging, the extruding back clear water that push the back clear water; Add flocculant or filter aid, to improve filter efficiency, standby after stirring;
3) extrusion dehydration:, carry out extrusion dehydration with sending the mud after stock pump will stir to adopt the mode of low pressure and mass flow to deliver to filter press through system of pipe and valve.When pressure reaches certain setting value, close and send stock pump, starting force (forcing) pump adopts the mode of high-pressure low-flow to continue slurry conveyed to filter press, when pressure reaches final setting value, and behind the pressurize certain hour, oppositely blowing with compressed air further dries up moisture, collects the water that squeezes out simultaneously to clear water reserviors;
4) pipeline cleaning, discharging and clear water loopback: utilize force (forcing) pump, send clear water scavenging pump and the system of pipe and valve of stock pump after system of pipe and valve is with a small amount of press filtration; Unclamp filter press, the two stage treatment slag charge after the extruding is discharged on the slag charge conveying device, deliver to stacking place of interim slag charge; Clear water loopback: after the water yield of water tank reaches certain liquid level, deliver to the slurrying special water box by clarified water pump.
Obtain the clear water of 60%-75% in the slag charge of volume-diminished to 25% and the slurry that gives up through above step.
A kind of fast dewatering equipment of waste jet grouting cement paste comprises the contamination pond,
The one-level stock tank is equipped with pre-screening plant on it, anti-precipitation agitator is installed in it;
Filter press, the filter press downside is provided with the slag charge conveying device;
Clear water reserviors, in establish liquid level sensor and clarified water pump, be used in time discharging the clear water after the press filtration and keep certain water yield to be used for detergent line and equipment at any time;
Connect by system of pipe and valve between contamination pond, one-level stock tank, filter press and the clear water reserviors.
Filter press has water leg, and water leg is connected with clear water reserviors.
System of pipe and valve between contamination pond and the one-level stock tank is provided with removing sludge.
System of pipe and valve between one-level stock tank and the filter press is provided with and send stock pump.
System of pipe and valve between one-level stock tank and the clear water reserviors is provided with force (forcing) pump.
Filter press is provided with pressure sensor.
Be provided with liquid level sensor in one-level stock tank, the clear water reserviors.
Described pre-screening plant is the individual layer linear vibrating screen.
Equipment executing agency adopts PLC to control automatically.
The fast dewatering method of a kind of waste jet grouting cement paste provided by the invention and equipment thereof, water in the slurry that gives up can be separated with slag charge by special equipment, slag charge after the separation only has 25% of former useless volume of slurry, and can transport with common vehicle through the slag charge that dries up, and the while can obtain the clear water of former useless volume of slurry 60-75%, in order to continue slurrying.The present invention can save material, and the protection environment reduces construction cost.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a flow chart of the present invention;
Fig. 2 is the overall structure schematic diagram of present device;
Fig. 3 is the side view of present device;
Fig. 4 is the three-dimensional view of present device.
The specific embodiment
In Fig. 1, a kind of fast dewatering method of waste jet grouting cement paste, carry out according to the following steps:
1) preliminary treatment: useless slurry is collected after delivery pump is delivered to pre-screening plant 8, particle diameter in the useless slurry is sifted out greater than the particle of 1mm obtain one-level and handle slag charge 2;
2) stirring, chemical agent add: the slurry transportation after will sieving is in the one-level stock tank 10 that is provided with agitator 9, add acid, alkali as required in order to adjust the pH value of mud, equipment is cleaned or pushes the requirement that the back clear water repeats slurrying to satisfy the discharging, the extruding back clear water that push the back clear water; Add flocculant or filter aid, to improve filter efficiency, standby after stirring;
3) extrusion dehydration:, carry out extrusion dehydration with sending the mud after stock pump 19 will stir to adopt the mode of low pressure and mass flow to deliver to filter press 4 through system of pipe and valve 16.When pressure reaches certain setting value, close and send stock pump 19, starting force (forcing) pump 18 adopts the mode of high-pressure low-flow to continue slurry conveyed to filter press 4, when pressure reaches final setting value, and behind the pressurize certain hour, oppositely blowing with compressed air further dries up moisture, collects the water that squeezes out simultaneously to clear water reserviors 15;
4) pipeline cleaning, discharging and clear water loopback: utilize force (forcing) pump 18, send clear water scavenging pump and the system of pipe and valve 16 of stock pump 19 after system of pipe and valve 16 is with a small amount of press filtration; Unclamp filter press 4, the two stage treatment slag charge 5 after the extruding is discharged on the slag charge conveying device 6, deliver to stacking place of interim slag charge; Clear water loopback: after the water yield of water tank reaches certain liquid level, deliver to the slurrying special water box by clarified water pump.
Obtain the clear water of 60%-75% in the slag charge of volume-diminished to 25% and the slurry that gives up through above step.
In Fig. 2, Fig. 3, Fig. 4, a kind of fast dewatering equipment of waste jet grouting cement paste comprises contamination pond 1,
One-level stock tank 10 is equipped with pre-screening plant 8 on it, be used for removing the larger particles of dirty slurry, reduces the risk of equipment attrition and stifled pump, and anti-precipitation agitator 9 is installed in it, is provided with mud amount in the level sensor monitors stock tank in it;
Connect by system of pipe and valve 16 between contamination pond 1, one-level stock tank 10, filter press 4 and the clear water reserviors 15.
System of pipe and valve 16 between contamination pond 1 and the one-level stock tank 10 is provided with removing sludge 7.
System of pipe and valve 16 between one-level stock tank 10 and the filter press 4 is provided with and send stock pump 19.
System of pipe and valve 16 between one-level stock tank 10 and the clear water reserviors 15 is provided with force (forcing) pump 18.
Be provided with liquid level sensor in one-level stock tank 10, the clear water reserviors 15.
Described pre-screening plant 8 is the individual layer linear vibrating screen.
Equipment executing agency adopts PLC to control automatically.
Embodiment:
Useless slurry is stored in the contamination pond 1, and removing sludge 7 will give up to starch and be transported to pre-screening plant 8 in the PLC control valve valve system 16, and the vibrating motor of pre-screening plant 8 is opened.The above particle of 1mm is screened out, fall into slag charge conveying device 6, obtain one-level and handle slag charge 2, deliver to the stock ground, sieve back mud enters one-level stock tank 10, is provided with the twi-tier blade agitator in the one-level stock tank 10, be convenient to abundant stirring, PLC control agitator 9 is started working, and can add a certain amount of chemical agent this moment as required, as be used to adjust mud acid-base balance acid or alkali or improve the flocculant or the filter aid of the strainability of mud with Chinese.Standby after stirring.
Be provided with liquid level sensor and the clarified water pump that to adjust height in the clear water reserviors 15.When liquid level attained to a high place, clarified water pump was opened, and the clear water in the clear water reserviors 15 is delivered to the slurrying water tank.Because equipment and pipeline need to clean in each workflow, so must store a certain amount of clear water in the clear water reserviors 15, when high water tank was reduced to low liquid level, clarified water pump quit work, and to guarantee equipment self a certain amount of clear water deposit is arranged.
Sewage after pump and pipeline clean enters one-level stock tank 10 after collecting, mix with mud in the one-level stock tank 10, as the part producing raw material of next workflow.
Complete equipment adopts the automatic control of adjustable parameters, and each executing agency's action is finished automatically by PLC control.Local parameter such as dwell pressure, dwell time, gassing time, pond and stock tank liquid level, discharge time etc., can manually set according to the real work situation.
Claims (1)
1. the fast dewatering method of a waste jet grouting cement paste is characterized in that carrying out according to the following steps:
1) preliminary treatment: useless slurry is collected after delivery pump is delivered to pre-screening plant (8), particle diameter in the useless slurry is sifted out greater than the particle of 1mm obtain one-level and handle slag charge (2);
2) stirring, chemical agent add: the slurry transportation after will sieving is in the one-level stock tank (10) that is provided with agitator (9), add acid, alkali as required in order to adjust the pH value of mud, equipment is cleaned or pushes the requirement that the back clear water repeats slurrying to satisfy the discharging, the extruding back clear water that push the back clear water; Add flocculant or filter aid, to improve filter efficiency, standby after stirring;
3) extrusion dehydration:, carry out extrusion dehydration with sending the mud after stock pump (19) will stir to adopt the mode of low pressure and mass flow to deliver to filter press (4) through system of pipe and valve (16); When pressure reaches certain setting value, close and send stock pump (19), starting force (forcing) pump (18) adopts the mode of high-pressure low-flow to continue slurry conveyed to filter press (4), when pressure reaches final setting value, and behind the pressurize certain hour, oppositely blowing with compressed air further dries up moisture, collects the water that squeezes out simultaneously to clear water reserviors (15);
4) pipeline cleaning, discharging and clear water loopback: utilize force (forcing) pump (18), send clear water scavenging pump and the system of pipe and valve (16) of stock pump (19) after system of pipe and valve (16) is with a small amount of press filtration; Unclamp filter press (4), the two stage treatment slag charge (5) after the extruding is discharged on the slag charge conveying device (6), deliver to stacking place of interim slag charge; Clear water loopback: after the water yield of water tank reaches certain liquid level, deliver to the slurrying special water box by clarified water pump;
Obtain the clear water of 60%-75% in the slag charge of volume-diminished to 25% and the slurry that gives up through above step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100631243A CN101607782B (en) | 2009-07-10 | 2009-07-10 | Waste jet grouting cement paste fast dewatering method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100631243A CN101607782B (en) | 2009-07-10 | 2009-07-10 | Waste jet grouting cement paste fast dewatering method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101607782A CN101607782A (en) | 2009-12-23 |
| CN101607782B true CN101607782B (en) | 2011-07-20 |
Family
ID=41481709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100631243A Active CN101607782B (en) | 2009-07-10 | 2009-07-10 | Waste jet grouting cement paste fast dewatering method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101607782B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491605A (en) * | 2011-11-16 | 2012-06-13 | 河海大学 | Construction method for carrying out high dehydration on dredging slurry by using swirling flow, condensation, and plate-and-frame |
| CN103408207B (en) * | 2013-08-26 | 2014-09-24 | 黑旋风工程机械开发有限公司 | Integrated test device and method for dredging, dewatering and drying sludge in river and lake |
| CN103739185B (en) * | 2014-01-29 | 2015-07-15 | 北京奇思恒通工程技术有限公司 | Sludge and sewage treatment system of drainage facility |
| CN104445860B (en) * | 2014-11-02 | 2017-01-11 | 北京工业大学 | Mud and water separation method for waste drilling sludge of cast-in-situ bored pile |
| CN107352764A (en) * | 2017-08-29 | 2017-11-17 | 上海市基础工程集团有限公司 | Discarded slurry curing process and reuse method |
| CN110092567A (en) * | 2019-04-11 | 2019-08-06 | 湖南锦佳环保科技有限公司 | A kind of shield soil processing method |
| CN110372160A (en) * | 2019-06-17 | 2019-10-25 | 浙江省建工集团有限责任公司 | A kind of cast-in-situ bored pile Muddy Bottoms waste material slurry curing separating process |
| CN112957782B (en) * | 2021-03-19 | 2022-05-27 | 桂林汇东机械设备有限公司 | Continuous filter press and using method thereof |
| CN113735411A (en) * | 2021-11-03 | 2021-12-03 | 中南大学湘雅医院 | Environment-friendly mud-water separation disinfecting equipment for sludge press filtration vehicle |
| CN115008559A (en) * | 2022-06-27 | 2022-09-06 | 广东木森态新材料科技有限公司 | Process method for hot-pressing high-water-content plywood |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0091600A3 (en) * | 1982-04-09 | 1989-02-08 | Libra, S.A. | Device for automatically adjusting the level of a pumping tank |
| CN1843987A (en) * | 2006-04-26 | 2006-10-11 | 江苏聚慧科技有限公司 | Construction method by utilizing solidified earth from sludge |
| CN201483647U (en) * | 2009-07-10 | 2010-05-26 | 黑旋风工程机械开发有限公司 | Rotary spraying quick dewatering equipment of wasted cement paste |
-
2009
- 2009-07-10 CN CN2009100631243A patent/CN101607782B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0091600A3 (en) * | 1982-04-09 | 1989-02-08 | Libra, S.A. | Device for automatically adjusting the level of a pumping tank |
| CN1843987A (en) * | 2006-04-26 | 2006-10-11 | 江苏聚慧科技有限公司 | Construction method by utilizing solidified earth from sludge |
| CN201483647U (en) * | 2009-07-10 | 2010-05-26 | 黑旋风工程机械开发有限公司 | Rotary spraying quick dewatering equipment of wasted cement paste |
Non-Patent Citations (1)
| Title |
|---|
| 卢加珠等.水浴除尘泥浆压滤分离清水循环工艺在机立窑上的应用.《山东建材》.1997,(第5期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101607782A (en) | 2009-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101607782B (en) | Waste jet grouting cement paste fast dewatering method and device thereof | |
| CN110695064A (en) | Shield muck zero-discharge treatment system and method | |
| CN211100741U (en) | Shield muck zero-emission treatment system | |
| CN212524526U (en) | Engineering spoil tail slurry water environmental protection processing system | |
| CN101310949A (en) | Efficient concrete waste recovering process and device thereof | |
| CN209113714U (en) | A kind of modularization mud conditioning Zero discharging system | |
| CN101708634B (en) | Stone waste sludge recycling device | |
| CN111203315A (en) | Engineering dregs, soil, sand and stone separation system | |
| CN111533399A (en) | Silt solidification construction equipment | |
| CN111574002A (en) | River and lake sludge screening method and system | |
| CN111410337A (en) | One-stop treatment system and method for foundation pit soil | |
| CN103921712A (en) | Sanitation vehicle integrating dredging, sewage absorption and waste water recycling functions | |
| CN114057441A (en) | Device and method for regenerating filling material by using solid waste | |
| CN207243627U (en) | A kind of sewage purification and reuse system of diatom ooze production line | |
| CN207575885U (en) | A kind of mixing plant sewage disposal system | |
| CN201483647U (en) | Rotary spraying quick dewatering equipment of wasted cement paste | |
| CN201587891U (en) | Stone waste sludge recycling equipment | |
| CN215614040U (en) | Shield muck lightweight treatment system | |
| CN102489073A (en) | Construction method for rapidly dehydrating dredging mud by centrifugation and plate frame | |
| CN213593220U (en) | Concrete slurry recovery system | |
| CN212375130U (en) | Silt solidification construction equipment | |
| CN212375056U (en) | One-stop foundation pit soil treatment system | |
| CN212283180U (en) | Tank washing mud filtering device | |
| CN206549308U (en) | A kind of sandstone pulp-water reclaims utilization system | |
| CN111672619A (en) | Quick concrete waste treatment and recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091211 Address after: No. 8, Dalian Road, Dongshan Development Zone, Hubei, Yichang Applicant after: Black Whirlwind Engineering Machinery Development Co., Ltd. Co-applicant after: Shanghai Tunnel Engineering Co., Ltd. Address before: No. 8, Dalian Road, Dongshan Development Zone, Hubei, Yichang Applicant before: Black Whirlwind Engineering Machinery Development Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SAFECLEEN ENGINEERING MACHINERY CO., LTD. Free format text: FORMER NAME: BLACK WHIRLWIND ENGINEERING MACHINERY DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 443000 Dalian Road, Hubei, China, No. 8, No. Patentee after: Three river moral young worker journey Machinery Co., Ltd.s Patentee after: Shanghai Tunnel Engineering Co., Ltd. Address before: 443003 No. 8, Dalian Road, Dongshan Development Zone, Hubei, Yichang Patentee before: Black Whirlwind Engineering Machinery Development Co., Ltd. Patentee before: Shanghai Tunnel Engineering Co., Ltd. |