CN102807914B - Environment-friendly mortar recovering process - Google Patents
Environment-friendly mortar recovering process Download PDFInfo
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- CN102807914B CN102807914B CN201210272540.6A CN201210272540A CN102807914B CN 102807914 B CN102807914 B CN 102807914B CN 201210272540 A CN201210272540 A CN 201210272540A CN 102807914 B CN102807914 B CN 102807914B
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Abstract
The invention relates to an environment-friendly mortar recovering process. The process comprises the following steps: stirring rough mortar; blending mortar; settling to obtain settled liquid and settled sand; conducting filter pressing, de-coloring, secondary filter pressing, ion exchange, triple-effect concentration, distilling, compounding and bulking on the settled liquid, so as to obtain the product; and conducting mortar blending, eddy flow separating, filtering, acid washing, alkali washing, spin-drying, drying, air selecting, packaging on the settled sand so as to obtain the environment-friendly mortar. According to the environment-friendly mortar recovering process, the recovering cost is low, the environment is protected, and the water is saved.
Description
Technical field
The present invention relates to a kind of environment-friendly type mortar recovery process, especially relate to a kind of technique for the waste mortar of sun power cutting technique is reclaimed.
Background technology
At present, along with the arrival of energy dilemma, emerging energy has obtained development widely.Wherein, sun power is because of its clean, renewable pursuing of obtaining numerous countries, in the manufacturing processed of solar panel, need to carry out sectioning to silicon ingot, for improving cutting efficiency and cutting effect, in cutting process, need to use mortar lifting for lubrication; Mortar after cutting, owing to having mixed the impurity such as silica flour, cannot recycle again; Need could again put into operation after special recovery process, and conventional mortar recovery process for this reason, flow process complexity, need to expend a large amount of water resourcess, not only cost recovery is higher, and is unfavorable for environmental protection and water saving.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, the environment-friendly type mortar recovery process of the cheap and environmental protection of a kind of cost recovery, water saving is provided.
The object of the present invention is achieved like this: a kind of environment-friendly type mortar recovery process, and described technique includes following steps:
Step 2, with slurry: add water to stir in the slurry after stirring;
Step 3, sedimentation: utilize separating centrifuge to carry out sedimentation operation, obtain sedimentation liquid and settled sand;
Step 4, the sedimentation liquid obtaining in step 3 is carried out to press filtration operation, obtain pressing filtering liquid and sedimentation antiquated sand;
In step 4a.1, pressing filtering liquid that step 4 is obtained, inserting gac decolours;
Step 4a.2, the pressing filtering liquid after decolouring is carried out to press filtration again;
Step 4a.3, the pressing filtering liquid after press filtration is again carried out to exchange operations;
Step 4a.4, that the liquid after ion-exchange is carried out to triple effect is concentrated;
Step 4a.5, liquid after triple effect is concentrated enter and in still pot, distill operation;
Step 4a.6, different batches distillation is produced and obtained liquid and carry out composite;
Step 4a.7, liquid after composite can filling shipment;
The stirring that adds water of step 4b.1, the sedimentation antiquated sand that step 4 is obtained;
Step 4b.2, the sedimentation antiquated sand that step 4b.1 is stirred carry out secondary press filtration, obtain reuse water and antiquated sand;
Step 5, to the settled sand obtaining in step 3 stirring with slurry that adds water;
Step 6, utilize cyclone separator to carry out cyclonic separation operation good settled sand with slurry;
Step 6a, the overflowing liquid overflowing is carried out to press filtration operation after cyclone separator, obtain inferior antiquated sand and reuse water;
Step 6b.1, the underflow mortar obtaining after cyclone separator is filtered by vacuum band-type filter machine after, then can obtain work in-process sand after centrigugal swing dryer dries;
Step 6b.2, double finished sand carry out pickling;
After step 6b.3, pickling, carry out again alkali cleaning;
Sand material after step 6b.4, alkali cleaning enters centrigugal swing dryer and dries operation;
Step 6b.5, to dry sand material dry operation;
Step 6b.6, to dry after sand material carry out selection by winnowing operation;
Sand material after step 6b.7, selection by winnowing can be packed shipment.
Environment-friendly type mortar recovery process of the present invention, pulp blender in described step 1 includes chassis, on described chassis, be vertically provided with a hoist cylinder, on the piston rod of this hoist cylinder, be connected with a workplatform, on described workplatform, be connected with a CD-ROM drive motor, the bottom of described workplatform is vertically connected with a stir shaft downwards, described CD-ROM drive motor is by being arranged at the actuator drives stir shaft in workplatform, the bottom of described stir shaft is connected with paddle blade structure, this paddle blade structure includes multiple circumferential row that are and is distributed in the contiguous block on stir shaft, on described contiguous block, be hinged with blade.
Environment-friendly type mortar recovery process of the present invention, adopts automatic slurry-distributing system to complete this step operation in described step 2, described automatic slurry-distributing system includes CPU mono-, is connected with LOAD CELLS, magnetic valve one and flow sensor on described CPU mono-).
Environment-friendly type mortar recovery process of the present invention, is serially connected with Pneumatic butterfly valve on the feed-pipe of the separating centrifuge in described step 3, and described Pneumatic butterfly valve is connected with source of the gas through magnetic valve two, and described magnetic valve two is connected with CPU bis-, on described CPU bis-, is connected with current transformer.
Environment-friendly type mortar recovery process of the present invention, in described step 4a.3, adopt ion exchanger to complete ion-exchange operation, the top of described ion exchanger is connected with a high-pressure air source by high-pressure air pipe, and on this high-pressure air pipe, be provided with an air valve, on the discharge nozzle of described ion-exchange motor spindle, be serially connected with a vacuum breaker.
Environment-friendly type mortar recovery process of the present invention, is serially connected with first-class heat exchanger and secondary heat exchanger on the steam-pipe of the still pot in described rapid 4a.5.
Environment-friendly type mortar recovery process of the present invention, the reuse water that step 4b.2 and step 6a obtain is as the cooling water of the first-class heat exchanger in step 4a.5.
Environment-friendly type mortar recovery process of the present invention, the reuse water after heating is used for step 2, step 4b.1 and step 5 as water with slurry.
Environment-friendly type mortar recovery process of the present invention, the reuse water after heating cleans for the brush roll of the vacuum band-type filter machine to step 6b.1.
Environment-friendly type mortar recovery process of the present invention, after the reuse water pressurization after heating for the charging basket of step 2 splendid attire slurry is rinsed.
Compared with prior art, the invention has the beneficial effects as follows:
Technique of the present invention is simple, easy to operate; Utilize automatic slurry-distributing system to carry out automatic gauge counterweight, simple and convenient, save a large amount of personnel's operations, be not only conducive to reduce cost of human resources, and distributing precision is higher; The separating centrifuge that carries out centrifugation in the present invention occurs when abnormal at electric current, can close timely the feed pipe of separating centrifuge, has increased the security of whole technical process; Ion exchanger top in the present invention adopts increases device, effectively reduces COD value, on the drain pipe of bottom, adds loaded check valve, contributes to prevent that liquid from flowing backwards, and safety performance is higher; The steam in the present invention, still pot being produced carries out pre-thermal utilization, has the significance of energy-conserving and environment-protective; , the reuse water producing in technique is used meanwhile, has greatly reduced the demand of whole technical process to water, contribute to water saving, and saved a large amount of production costs.
Accompanying drawing explanation
Fig. 1 is the process flow sheet of environment-friendly type mortar recovery process of the present invention.
Fig. 2 is the structural representation of pulp blender in environment-friendly type mortar recovery process of the present invention.
Fig. 3 is the paddle blade structure schematic diagram of pulp blender in environment-friendly type mortar recovery process of the present invention.
Fig. 4 is the circuit block diagram of automatic slurry-distributing system in environment-friendly type mortar recovery process of the present invention.
Fig. 5 is the circuit block diagram of safety type sedimentation centrifugal separator in environment-friendly type mortar recovery process of the present invention.
Fig. 6 is the structural representation of safety type sedimentation centrifugal separator in environment-friendly type mortar recovery process of the present invention.
Fig. 7 is the local structure schematic diagram of environment-friendly type mortar recovery process intermediate ion exchange board of the present invention.
Fig. 8 is the local structure schematic diagram of environment-friendly type mortar recovery process intermediate ion exchange board of the present invention.
Fig. 9 is the structural representation of still pot bootstrap system in environment-friendly type mortar recovery process of the present invention.
Wherein:
Chassis 1.1, hoist cylinder 1.2, workplatform 1.3, CD-ROM drive motor 1.4, stir shaft 1.5, paddle blade structure 1.6;
Contiguous block 1.6.1, blade 1.6.2;
Separating centrifuge 3.1, Pneumatic butterfly valve 3.2, magnetic valve 2 3.3, source of the gas 3.4, CPU 2 3.5, current transformer 3.6;
Ion exchanger 4.1, high-pressure air pipe 4.2, high-pressure air source 4.3, air valve 4.4, vacuum breaker 4.5, discharge nozzle 4.6;
Still pot 5.1, steam-pipe 5.2, first-class heat exchanger 5.3, secondary heat exchanger 5.4.
Embodiment
Referring to Fig. 1 ~ 9, a kind of environment-friendly type mortar recovery process the present invention relates to, described technique includes following steps:
Step 2, with slurry: add water to stir in the slurry after stirring, in this step, utilize the operation that adds water of automatic slurry-distributing system, described automatic slurry-distributing system includes CPU 1, on described CPU 1, be connected with LOAD CELLS 2.2, magnetic valve 1 and flow sensor 2.4, when use, the charging basket that holds slurry is placed in LOAD CELLS 2.2, magnetic valve 2.3 and flow sensor 2.4 are installed on the pipeline discharging water, can know easily charging capacity by LOAD CELLS 2.2, thereby determine the required water yield, and obtain the water yield of input by flow sensor 2.4, in the time reaching the requirement water yield, CPU 1 can stop into water by magnetic valve 1,
Step 3, sedimentation: utilize separating centrifuge to carry out sedimentation operation, obtain sedimentation liquid and settled sand, for increasing safety performance, on the feed-pipe of separating centrifuge 3.1, be serially connected with Pneumatic butterfly valve 3.2, described Pneumatic butterfly valve 3.2 is connected with source of the gas 3.4 through magnetic valve 2 3.3, described magnetic valve 2 3.3 is connected with CPU 2 3.5, on described CPU 2 3.5, be connected with current transformer 3.6, described current transformer 3.6 is for detection of the electric current on the power supply line of separating centrifuge 3.1, when detecting that electric current occurs when abnormal, send cut-out instruction by CPU 2 3.5 immediately, now magnetic valve 2 3.3 cuts out at once, thereby make Pneumatic butterfly valve 3.2 close feed-pipe, guarantee the safety of producing,
Step 4, the sedimentation liquid obtaining in step 3 is carried out to press filtration operation, obtain pressing filtering liquid and sedimentation antiquated sand;
In step 4a.1, pressing filtering liquid that step 4 is obtained, inserting gac decolours;
Step 4a.2, the pressing filtering liquid after decolouring is carried out to press filtration again;
Step 4a.3, the pressing filtering liquid after press filtration is again carried out to exchange operations, in this step operation, utilize ion exchanger 4.1 to complete ion-exchange operation, for reducing COD value, top at ion exchanger 4.1 has increased supercharging device, concrete structure is, the top of ion exchanger 4.1 is connected with a high-pressure air source 4.3 by high-pressure air pipe 4.2, and is provided with an air valve 4.4 on this high-pressure air pipe 4.2, realizes blower operations by pass into high pressure gas in ion exchanger 4.1; Meanwhile, in order to prevent that liquid return pollutes when the fluid, on the discharge nozzle 4.6 of ion exchanger 4.1 bottoms, be serially connected with a vacuum breaker 4.5, flow backwards back in ion exchanger 4.1 at the process liquid of fluid for preventing;
Step 4a.4, that the liquid after ion-exchange is carried out to triple effect is concentrated;
Step 4a.5, liquid after triple effect is concentrated enter in still pot and distill operation, are serially connected with first-class heat exchanger 5.3 and secondary heat exchanger 5.4 on the steam-pipe 5.2 of still pot 5.1;
Step 4a.6, different batches distillation is produced and obtained liquid and carry out composite;
Step 4a.7, liquid after composite can filling shipment;
The stirring that adds water of step 4b.1, the sedimentation antiquated sand that step 4 is obtained;
Step 4b.2, the sedimentation antiquated sand that step 4b.1 is stirred carry out secondary press filtration, obtain reuse water and antiquated sand;
Step 5, to the settled sand obtaining in step 3 stirring with slurry that adds water;
Step 6, utilize cyclone separator to carry out cyclonic separation operation good settled sand with slurry;
Step 6a, the overflowing liquid overflowing is carried out to press filtration operation after cyclone separator, obtain inferior antiquated sand and reuse water;
Step 6b.1, the underflow mortar obtaining after cyclone separator is filtered by vacuum band-type filter machine after, then can obtain work in-process sand after centrigugal swing dryer dries;
Step 6b.2, double finished sand carry out pickling;
After step 6b.3, pickling, carry out again alkali cleaning;
Sand material after step 6b.4, alkali cleaning enters centrigugal swing dryer and dries operation;
Step 6b.5, to dry sand material dry operation;
Step 6b.6, to dry after sand material carry out selection by winnowing operation;
Sand material after step 6b.7, selection by winnowing can be packed shipment.
Actually operating work becomes, the reuse water being obtained by step 4b.2 and step 6a is as the cooling water of the first-class heat exchanger 5.3 in step 4a.5, thereby realized the utilization to still pot preheating, meanwhile, the reuse water after still pot steam heating can be used for doing in step 2, step 4b.1 and step 5; Meanwhile, this reuse water also can to the brush roll of the vacuum band-type filter machine in step 6b.1 clean or pressurize after with do the charging basket of splendid attire slurry in step 2 is rinsed.
Claims (3)
1. an environment-friendly type mortar recovery process, is characterized in that: described technique includes following steps:
Step 1, magma stir: by pulp blender, the waste slurry reclaiming is stirred;
Step 2, with slurry: add water to stir in the slurry after stirring;
Step 3, sedimentation: utilize separating centrifuge to carry out sedimentation operation, obtain sedimentation liquid and settled sand;
Step 4, the sedimentation liquid obtaining in step 3 is carried out to press filtration operation, obtain pressing filtering liquid and sedimentation antiquated sand;
In step 4a.1, pressing filtering liquid that step 4 is obtained, inserting gac decolours;
Step 4a.2, the pressing filtering liquid after decolouring is carried out to press filtration again;
Step 4a.3, the pressing filtering liquid after press filtration is again carried out to exchange operations;
Step 4a.4, that the liquid after ion-exchange is carried out to triple effect is concentrated;
Step 4a.5, liquid after triple effect is concentrated enter and in still pot, distill operation;
Step 4a.6, different batches distillation is produced and obtained liquid and carry out composite;
Step 4a.7, liquid after composite can filling shipment;
The stirring that adds water of step 4b.1, the sedimentation antiquated sand that step 4 is obtained;
Step 4b.2, the sedimentation antiquated sand that step 4b.1 is stirred carry out secondary press filtration, obtain reuse water and antiquated sand;
Step 5, to the settled sand obtaining in step 3 stirring with slurry that adds water;
Step 6, utilize cyclone separator to carry out cyclonic separation operation good settled sand with slurry;
Step 6a, the overflowing liquid overflowing is carried out to press filtration operation after cyclone separator, obtain inferior antiquated sand and reuse water;
Step 6b.1, the underflow mortar obtaining after cyclone separator is filtered by vacuum band-type filter machine after, then can obtain work in-process sand after centrigugal swing dryer dries;
Step 6b.2, double finished sand carry out pickling;
After step 6b.3, pickling, carry out again alkali cleaning;
Sand material after step 6b.4, alkali cleaning enters centrigugal swing dryer and dries operation;
Step 6b.5, to dry sand material dry operation;
Step 6b.6, to dry after sand material carry out selection by winnowing operation;
Sand material after step 6b.7, selection by winnowing can be packed shipment;
Pulp blender in above-mentioned steps 1 includes chassis (1.1), on described chassis (1.1), be vertically provided with a hoist cylinder (1.2), on the piston rod of this hoist cylinder (1.2), be connected with a workplatform (1.3), on described workplatform (1.3), be connected with a CD-ROM drive motor (1.4), the bottom of described workplatform (1.3) is vertically connected with a stir shaft (1.5) downwards, described CD-ROM drive motor (1.4) is by being arranged at the actuator drives stir shaft (1.5) in workplatform (1.3), the bottom of described stir shaft (1.5) is connected with paddle blade structure (1.6), this paddle blade structure (1.6) includes multiple circumferential row that are and is distributed in the contiguous block (1.6.1) on stir shaft (1.5), on described contiguous block (1.6.1), be hinged with blade (1.6.2),
In above-mentioned steps 2, adopt automatic slurry-distributing system to complete this step operation, described automatic slurry-distributing system includes CPU mono-(2.1), is connected with LOAD CELLS (2.2), magnetic valve one (2.3) and flow sensor (2.4) on described CPU mono-(2.1);
On the feed-pipe of the separating centrifuge (3.1) in above-mentioned steps 3, be serially connected with Pneumatic butterfly valve (3.2), described Pneumatic butterfly valve (3.2) is connected with source of the gas (3.4) through magnetic valve two (3.3), described magnetic valve two (3.3) is connected with CPU bis-(3.5), on described CPU bis-(3.5), is connected with current transformer (3.6);
In above-mentioned steps 4a.3, adopt ion exchanger (4.1) to complete ion-exchange operation, the top of described ion exchanger (4.1) is connected with a high-pressure air source (4.3) by high-pressure air pipe (4.2), and on this high-pressure air pipe (4.2), be provided with an air valve (4.4), on the discharge nozzle (4.6) of described ion exchanger (4.1) bottom, be serially connected with a vacuum breaker (4.5);
On the steam-pipe (5.2) of the still pot (5.1) in above-mentioned steps 4a.5, be serially connected with first-class heat exchanger (5.3) and secondary heat exchanger (5.4);
The reuse water that above-mentioned steps 4b.2 and step 6a obtain is as the cooling water of the first-class heat exchanger in step 4a.5 (5.3), and the reuse water after heating is used for step 2, step 4b.1 and step 5 as water with slurry.
2. a kind of environment-friendly type mortar recovery process as claimed in claim 1, is characterized in that: the reuse water after heating cleans for the brush roll of the vacuum band-type filter machine to step 6b.1.
3. a kind of environment-friendly type mortar recovery process as claimed in claim 1, is characterized in that: after the reuse water pressurization after heating for the charging basket of step 2 splendid attire slurry is rinsed.
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| CN201210272540.6A CN102807914B (en) | 2012-08-02 | 2012-08-02 | Environment-friendly mortar recovering process |
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| CN102807914B true CN102807914B (en) | 2014-06-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104194910B (en) * | 2014-08-13 | 2017-09-26 | 开封万盛新材料有限公司 | The solid-liquid separating method of crystal silicon chip cutting liquid |
| CN105621414A (en) * | 2015-03-11 | 2016-06-01 | 辽宁工业大学 | Method for recovering silicon carbide from waste mortar of crystal silicon wire cutting |
| CN110564004B (en) * | 2019-09-17 | 2021-07-06 | 马鞍山市三川机械制造有限公司 | Preparation method for reprocessing rubber and plastic filler by recycling waste resin molding sand |
| CN112076848B (en) * | 2020-08-19 | 2022-08-05 | 广西和美新材料科技有限公司 | Ball mill operation alarm protection system and control method thereof |
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| GB2390556B (en) * | 2002-06-07 | 2005-10-26 | Baldwin Filters Inc | Environmentally friendly acid neutralizing full flow cartridge |
| CN101982536B (en) * | 2010-11-02 | 2011-11-09 | 林小妹 | Method for recovering silicon carbide and polyethylene glycol cutting fluid from waste silicon wafer cutting fluid |
| CN102071092B (en) * | 2010-12-03 | 2012-12-19 | 江阴浩博科技有限公司 | Method for recovering and recycling silicon slice cutting waste mortar |
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Address after: 214407, Fu Road 8, Huang Tang Tong Industrial Park, Xu Xiake Town, Wuxi, Jiangsu, Jiangyin Applicant after: JIANGYIN HAOBO TECHNOLOGY CO., LTD. Address before: 214407, Fu Road 8, Huang Tang Tong Industrial Park, Xu Xiake Town, Wuxi, Jiangsu, Jiangyin Applicant before: Jiangyin Haobo Technology Co., Ltd. |
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