CN201989275U - Cold roller cooling circulation system - Google Patents
Cold roller cooling circulation system Download PDFInfo
- Publication number
- CN201989275U CN201989275U CN2011200249603U CN201120024960U CN201989275U CN 201989275 U CN201989275 U CN 201989275U CN 2011200249603 U CN2011200249603 U CN 2011200249603U CN 201120024960 U CN201120024960 U CN 201120024960U CN 201989275 U CN201989275 U CN 201989275U
- Authority
- CN
- China
- Prior art keywords
- pipe
- water
- heat exchanger
- water inlet
- chill roll
- 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.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a cold roller cooling circulation system, which is used in a casting system of a BOPP (biaxially-oriented polypropylene) film production line. The cold roller cooling circulation system comprises a freezing water pipe, a water return pipe, a first heat exchanger, a cooling roller water outlet pipe, a cooling roller water inlet pipe and a water pump, and is characterized in that the cooling roller water inlet pipe is provided with a first valve and connected with a water inlet branched pipe, the water inlet branched pipe is located on an input side of the first valve and communicated with a second medium input opening of a second heat exchanger, the cooling roller water inlet pipe is connected with a water outlet branched pipe, the water outlet branched pipe is located on an output side of the first valve and communicated with a second medium output opening of the second heat exchanger, the water inlet branched pipe is provided with a second valve, the water outlet branched pipe is provided with a third valve, a first medium input opening of the second heat exchanger is communicated with the freezing water pipe via a pipeline, and a first medium output opening of the second heat exchanger is communicated with the water return pipe via a pipeline. The cold roller cooling circulation system has the advantages of fine cooling effect and energy conservation.
Description
Technical field
The utility model relates to a kind of cold roller cooling recirculation system, is mainly used in the casting chip system of BOPP film line.
Background technology
Cold roller cooling recirculation system in the casting chip system of existing BOPP film line, it comprises chilled water pipe, return pipe, heat exchanger, the chill roll outlet pipe, the chill roll water inlet pipe, water pump, the first medium input port of heat exchanger is connected with chilled water pipe by pipeline, chilled water pipe connects freezing unit (chilled water is provided), the first medium delivery outlet of heat exchanger is connected with return pipe by pipeline, the second medium input port of heat exchanger is connected by the delivery port of chill roll outlet pipe with chill roll (being cold roller), the second medium delivery outlet of heat exchanger is connected (cooling water is provided) with the water inlet of chill roll by the chill roll water inlet pipe, and the chill roll outlet pipe is provided with water pump.Owing to only adopted a heat exchanger, need provide lower chilled water just can reach the temperature design value of chill roll, the power consumption of freezing unit is big, and is not energy-conservation, and cooling effect is also not ideal.
Summary of the invention
The purpose of this utility model is to provide a kind of cold roller cooling recirculation system of good cooling results.
To achieve these goals, technical scheme that the utility model adopts is: cold roller cooling recirculation system, it comprises chilled water pipe, return pipe, first heat exchanger, the chill roll outlet pipe, the chill roll water inlet pipe, water pump, the first medium input port of first heat exchanger is connected with chilled water pipe by pipeline, chilled water pipe connects freezing unit, the first medium delivery outlet of first heat exchanger is connected with return pipe by pipeline, the second medium input port of first heat exchanger is connected with the delivery port of chill roll by the chill roll outlet pipe, the second medium delivery outlet of first heat exchanger is connected with the water inlet of chill roll by the chill roll water inlet pipe, and the chill roll outlet pipe is provided with water pump; It is characterized in that: the chill roll water inlet pipe is provided with first valve, is connected with a water inlet on the chill roll water inlet pipe and is in charge of, and the input side that is positioned at first valve is in charge of in water inlet, and water inlet is in charge of with the second medium input port of second heat exchanger and is connected; Be connected with a water outlet on the chill roll water inlet pipe and be in charge of, the outlet side that is positioned at first valve is in charge of in water outlet, and water outlet is in charge of with the second medium delivery outlet of second heat exchanger and is connected; Water inlet is in charge of and is provided with second valve, and water outlet is in charge of and is provided with the 3rd valve; The first medium input port of second heat exchanger is connected with chilled water pipe by pipeline, and the first medium delivery outlet of second heat exchanger is connected with return pipe by pipeline.
The beneficial effects of the utility model are: owing to adopted 2 heat exchangers, cooling effect is significantly improved (good cooling results), can reduce the power consumption of freezing unit, and is energy-conservation.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1-chilled water pipe, 2-return pipe, 3-first heat exchanger, 4-chill roll outlet pipe, 5-chill roll water inlet pipe, 6-chill roll (being cold roller), 7-first valve, the 8-water inlet is in charge of, and the 9-water outlet is in charge of, 10-second valve, 11-the 3rd valve, 12-second heat exchanger, 13-water pump.
The specific embodiment
As shown in Figure 1, cold roller cooling recirculation system, it comprises chilled water pipe 1, return pipe 2, first heat exchanger 3, chill roll outlet pipe 4, chill roll water inlet pipe 5, water pump 13, the first medium input port of first heat exchanger 3 is connected with chilled water pipe 1 by pipeline, chilled water pipe 1 connects freezing unit, the first medium delivery outlet of first heat exchanger 3 is connected with return pipe 2 by pipeline, the second medium input port of first heat exchanger 3 is connected by the delivery port of chill roll outlet pipe 4 with chill roll 6, the second medium delivery outlet of first heat exchanger 3 is connected by the water inlet of chill roll water inlet pipe 5 with chill roll 6, and chill roll outlet pipe 4 is provided with water pump 13; Chill roll water inlet pipe 5 is provided with first valve 7, is connected with a water inlet on the chill roll water inlet pipe 5 and is in charge of 8, and 8 input sides that are positioned at first valve 7 are in charge of in water inlet, and water inlet is in charge of 8 and is connected with the second medium input port of second heat exchanger 12; Be connected with a water outlet on the chill roll water inlet pipe 5 and be in charge of 9,9 outlet sides that are positioned at first valve 7 are in charge of in water outlet, and water outlet is in charge of 9 and is connected with the second medium delivery outlet of second heat exchanger 12; Water inlet is in charge of 8 and is provided with second valve 10, and water outlet is in charge of 9 and is provided with the 3rd valve 11; The first medium input port of second heat exchanger 12 is connected with chilled water pipe 1 by pipeline, and the first medium delivery outlet of second heat exchanger 12 is connected with return pipe 2 by pipeline.
During use, close first valve 7, open second valve 10, the 3rd valve 11, the first heat exchangers 3, second heat exchanger 12, water pump 13 work.
Claims (1)
1. cold roller cooling recirculation system, it comprises chilled water pipe, return pipe, first heat exchanger, the chill roll outlet pipe, the chill roll water inlet pipe, water pump, the first medium input port of first heat exchanger is connected with chilled water pipe by pipeline, chilled water pipe connects freezing unit, the first medium delivery outlet of first heat exchanger is connected with return pipe by pipeline, the second medium input port of first heat exchanger is connected with the delivery port of chill roll by the chill roll outlet pipe, the second medium delivery outlet of first heat exchanger is connected with the water inlet of chill roll by the chill roll water inlet pipe, and the chill roll outlet pipe is provided with water pump; It is characterized in that: the chill roll water inlet pipe is provided with first valve, is connected with a water inlet on the chill roll water inlet pipe and is in charge of, and the input side that is positioned at first valve is in charge of in water inlet, and water inlet is in charge of with the second medium input port of second heat exchanger and is connected; Be connected with a water outlet on the chill roll water inlet pipe and be in charge of, the outlet side that is positioned at first valve is in charge of in water outlet, and water outlet is in charge of with the second medium delivery outlet of second heat exchanger and is connected; Water inlet is in charge of and is provided with second valve, and water outlet is in charge of and is provided with the 3rd valve; The first medium input port of second heat exchanger is connected with chilled water pipe by pipeline, and the first medium delivery outlet of second heat exchanger is connected with return pipe by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200249603U CN201989275U (en) | 2011-01-25 | 2011-01-25 | Cold roller cooling circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200249603U CN201989275U (en) | 2011-01-25 | 2011-01-25 | Cold roller cooling circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201989275U true CN201989275U (en) | 2011-09-28 |
Family
ID=44665777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200249603U Expired - Fee Related CN201989275U (en) | 2011-01-25 | 2011-01-25 | Cold roller cooling circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201989275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908815A (en) * | 2018-08-03 | 2018-11-30 | 苏州昆岭薄膜工业有限公司 | BOPP production line cooling water system and its operation method |
-
2011
- 2011-01-25 CN CN2011200249603U patent/CN201989275U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908815A (en) * | 2018-08-03 | 2018-11-30 | 苏州昆岭薄膜工业有限公司 | BOPP production line cooling water system and its operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140125 |