CN211518100U - Large-circulation cooling liquid circulation system - Google Patents
Large-circulation cooling liquid circulation system Download PDFInfo
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- CN211518100U CN211518100U CN201922327991.5U CN201922327991U CN211518100U CN 211518100 U CN211518100 U CN 211518100U CN 201922327991 U CN201922327991 U CN 201922327991U CN 211518100 U CN211518100 U CN 211518100U
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Abstract
The utility model discloses a big circulating cooling liquid circulation system, including the lift-well, the lift-well delivery port is connected to its water inlet through circulating line, is equipped with filter and circulating water pump on the circulating line of nearly lift-well delivery port department, circulating water pump is connected to the line cutting machine through the bleeder to the circulating line of lift-well, the line cutting machine passes through pipeline backward flow to the lift-well, the lift-well is connected to waste liquid tank through the overflow pipeline, waste liquid tank connects gradually the pressure filter through the pipeline, is reconnected to the lift-well behind the finished product jar. The utility model discloses simple structure, area is little, has greatly practiced thrift running cost and follow-up maintenance cost.
Description
Technical Field
The utility model belongs to the environmental protection field, concretely relates to big circulating cooling liquid circulation system that area is little, running cost is low.
Background
With the gradual maturity of production modes of the photovoltaic industry, industry integration and the coming of industry 4.0, the requirements on photovoltaic manufacturers are stricter and stricter, and the pressure of self-energy production, accelerated production efficiency, cost saving and consumption reduction is greater and greater. The silicon wafer cutting is taken as a key process in the photovoltaic industry, and the existing production technology is changed. The large circulation on-line cooling liquid is an important auxiliary material for cutting the silicon wafer. The change of a large-circulation cooling liquid circulation system (hereinafter referred to as large circulation) has great significance for the wire cutting process. The traditional major circulation is as shown in fig. 2, and mainly comprises that a finished product tank conveys cooling liquid to an overflow small bucket, the cooling liquid in the overflow small bucket is conveyed to a line cutting machine for cooling after passing through a filter, then the cooling liquid used by the line cutting machine overflows to the overflow small bucket, then the cooling liquid intensively overflows to a waste product tank through the overflow small bucket, impurities are filtered out by the waste product tank through a filter press, and then the cooling liquid returns to the finished product tank to adjust the instantaneous concentration of the cooling liquid for circulation.
The traditional large circulation mainly has the following problems:
(1) the original online liquid system is supplied to each overflow small bucket of the line cutting machine through a finished product liquid supply pump, the liquid in the flow small buckets is discharged into a waste liquid pipeline through liquid level pressure difference overflow and is pumped back, and the treatment is carried out again in a large-cycle processing workshop. And pumping the on-line liquid in the overflow small barrels into the line cutting machine through a variable frequency pump to cut the silicon wafer. Returning the waste liquid after cutting to the overflow small bucket;
(2) each line cutting machine is provided with an overflow small bucket and a variable-frequency liquid supply pump, so that the operation space of a production field is limited. Each line cutting machine is provided with a variable frequency pump, and the electric quantity is high;
(3) in the wire cutting process, because the wire mesh runs at a high speed, the online liquid can generate a foaming phenomenon, overflow small barrels are easy to overflow liquid, and the field 5S cleaning difficulty is high;
(4) original overflow keg needs regularly to wash, extravagant man-hour in the cleaning process, needs overflow keg flowing back, new liquid of recollection when the unloading of original system. Wasting effective cutting man-hours;
(5) before each overflow small bucket enters the line cutting machine, the overflow small buckets need to enter a filter bag for filtering, and a new filter bag needs to be replaced every time the upper and lower buckets are fed and discharged;
(6) the operation of each line cutting machine of the prior system on the on-line liquid is different, which can cause the quality difference of cutting.
Disclosure of Invention
The purpose of the invention is as follows: an object of the utility model is to provide a not enough to prior art, provide a big circulating cooling liquid circulation system that area is little, running cost is low.
The technical scheme is as follows: in order to achieve the above object, the present invention is specifically completed as follows: big circulating cooling liquid circulation system, including the lift-well, the lift-well delivery port is connected to its water inlet through circulating line, is equipped with filter and circulating water pump on the circulating line of nearly lift-well delivery port department, circulating water pump is connected to the line cutter through the bleeder to the circulating line of lift-well, the line cutter flows back to the lift-well through the pipeline, the lift-well is connected to waste liquid tank through overflow pipe, waste liquid tank reconnects to the lift-well after connecting gradually pressure filter, finished product jar through the pipeline.
Wherein, the branch pipe is provided with 1 switch valve for controlling water flow.
Wherein, the number of the line cutting machines is more than 2.
Wherein, the number of the line cutting machines is 40.
Wherein, at least one water pump is arranged on a pipeline between the waste liquid tank and the lifting well.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) the utility model has simple structure and small occupied area, and greatly saves the operation cost and the subsequent maintenance cost;
(2) the floor area of each overflow small bucket is 3 square meters in the prior art, and each set of system is calculated by 40 line cutting machines, the utility model discloses can save the effective utilization area of production field as 120 square meters;
(3) the utility model avoids the phenomena of liquid overflow, liquid return, leakage and the like of overflow small barrels in the traditional technology; small online cutting barrels are omitted, online liquid is in a closed pipeline when the machine runs, the phenomenon of leakage and leakage caused by leakage and leakage on site is greatly reduced, and the problem of high difficulty in 5S cleaning on site is solved;
(4) the utility model conservatively estimates that each line cutting machine cuts 13 knives every day, and saves the working hours by 160 min; each line cutting machine can cut two more silicon rods every day;
(5) the utility model reduces the working hours for replacing the filter bag of the thread cutting machine, 2 cutters of each thread cutting machine replace the filter bag for 1 time, each time for 5min, each set of system calculates by 40 thread cutting machines, and 1300min is saved;
(6) the overflow small barrels need to be cleaned under the normal online liquid cutting condition, each set of system is cleaned by 16 machines each day, each cleaning process needs 40min for calculation, and the working hours are saved by 640min each day;
(7) the bag filter provided by the utility model can filter more thoroughly and is easier to replace the filter screen; the defects caused by entering the line cutting are avoided, the uniformity of liquid used by each line cutting machine is guaranteed, the cutting difference caused by the problems of flow difference, unclean overflow small barrels and the like in normal cutting is avoided, and the qualification rate of concentrated filtering is improved by 3% compared with the qualification rate of normal online liquid cutting from experimental data;
(8) the utility model discloses reduced the use of line cutter filter bag, every set of system uses 260 calculations of filter bag every day, and every 14 yuan practice thrift 3640 yuan altogether.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a conventional large circulation coolant circulation system.
Detailed Description
Example 1:
the large circulation cooling liquid circulation system shown in fig. 1 comprises a lift well 1, wherein a water outlet of the lift well 1 is connected to a water inlet of the lift well 1 through a circulation pipeline 2, a filter 3 and a circulation water pump 4 are arranged on the circulation pipeline 2 near the water outlet of the lift well 1, the circulation water pump 4 is connected to a line cutter 6 through a branch pipe 5, the line cutter 6 returns to the lift well 1 through a pipeline, the lift well 1 is connected to a waste liquid tank 8 through an overflow pipeline 7, and the waste liquid tank 8 is sequentially connected with a filter press 9 and a finished product tank 10 through pipelines and then is connected to the lift well 1; the branch pipe is provided with 1 switch valve 11 for controlling water flow, so that the line cutting machine which does not work can save cooling liquid conveniently; the number of the line cutting machines is preferably 40; in order to increase the reflux speed of the waste liquid tank, at least one water pump is arranged on a pipeline between the waste liquid tank and the lifting well.
Claims (5)
1. Big circulating cooling liquid circulation system, its characterized in that, including the lift well, the lift well delivery port passes through circulating line and connects to its water inlet, is equipped with filter and circulating water pump on the circulating line of nearly lift well delivery port department, circulating water pump is connected to the line cutter through the bleeder to the circulating line of lift well, the line cutter passes through the pipeline and flows back to the lift well, the lift well is connected to waste liquid jar through overflow pipe, waste liquid jar connects gradually the pressure filter, is reconnected to the lift well behind the finished product jar through the pipeline.
2. The large circulation coolant circulation system according to claim 1, wherein 1 switching valve for controlling the flow of water is provided in the branch pipe.
3. The large circulation coolant circulation system according to claim 1, wherein the number of the line cutters is more than 2.
4. The large circulation coolant circulation system according to claim 3, wherein the number of the line cutters is 40.
5. The large circulation coolant circulation system according to claim 1, wherein at least one water pump is provided in the piping between the waste liquid tank and the lift well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327991.5U CN211518100U (en) | 2019-12-23 | 2019-12-23 | Large-circulation cooling liquid circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922327991.5U CN211518100U (en) | 2019-12-23 | 2019-12-23 | Large-circulation cooling liquid circulation system |
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| Publication Number | Publication Date |
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| CN211518100U true CN211518100U (en) | 2020-09-18 |
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| CN201922327991.5U Active CN211518100U (en) | 2019-12-23 | 2019-12-23 | Large-circulation cooling liquid circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037764A (en) * | 2019-12-23 | 2020-04-21 | 宜兴市欧清环保科技有限公司 | Large-circulation cooling liquid circulation system |
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2019
- 2019-12-23 CN CN201922327991.5U patent/CN211518100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037764A (en) * | 2019-12-23 | 2020-04-21 | 宜兴市欧清环保科技有限公司 | Large-circulation cooling liquid circulation system |
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