CN105929569A - Energy saving system for production process of liquid crystal display panel - Google Patents
Energy saving system for production process of liquid crystal display panel Download PDFInfo
- Publication number
- CN105929569A CN105929569A CN201610292650.7A CN201610292650A CN105929569A CN 105929569 A CN105929569 A CN 105929569A CN 201610292650 A CN201610292650 A CN 201610292650A CN 105929569 A CN105929569 A CN 105929569A
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchanger
- liquid crystal
- cooling water
- crystal panel
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Other Air-Conditioning Systems (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides an energy saving system for a production process of a liquid crystal display panel. The energy saving system comprises a deionized water preparation device, a water supply pipe, a process cooling water system and a heat exchanger, wherein a freezing water supply end of the process cooling water system is connected with a heating medium inlet of the heat exchanger, and a freezing water return end is connected with a heating medium outlet of the heat exchanger; the water supply pipe is connected with a refrigerant inlet of the heat exchanger, and a water inflow pipe of the deionized water preparation device is connected with a refrigerant outlet of the heat exchanger, so that municipal water supplied to the water inflow pipe of the deionized water preparation device by the water supply pipe is heated, and process cooling water in the process cooling water system is cooled at the same time. Heat of the process cooling water is transmitted to the municipal water, water steam is not needed additionally for heating, and a refrigerating machine is not needed for cooling, the production process of the liquid crystal display panel is simplified, energy consumed during production of the liquid crystal display panel is greatly reduced, and accordingly purposes of energy conservation and emission reduction are achieved, and the cost is further reduced.
Description
Technical field
The present invention relates to based on liquid crystal, such as the technical field of the preparation technology of unit liquid crystal display unit, especially
It relates to a kind of energy conserving system for liquid crystal panel production technology.
Background technology
Liquid crystal panel industry employs substantial amounts of water, electricity, gas and other energy in liquid crystal panel production process,
Wherein, during the consumption of water resource and the hot and cold energy occupies liquid crystal panel production process, holistic cost consumes relatively
Vast scale, the especially temperature-rise period of required water and produce liquid crystal panel in deionized water preparation process
The aspect of the temperature-fall period of dustless technique workshop apparatus for production line.
Water source in deionized water preparation process comes from urban water, urban water in the winter time time water temperature
Maintain about 9～14 DEG C, during summer, maintain about 18～23 DEG C, in deionized water preparation process in order to
Reach optimum efficiency, need to improve urban water temperature to 23 DEG C.Current mode is to utilize water vapour to city
City's water is heated, and therefore, consumes the heat energy of a large amount of steam in the process.
Produce in the dustless technique workshop of liquid crystal panel, each in using the process cooling water of a large amount of circulation to make workshop
Operating temperature needed for individual production equipment maintenance equipment, the supply water temperature of process cooling water need to maintain 19 ±
1 DEG C, thus need process cooling water system to be constantly adjusted according to water temperature change.Process cooling water is passing through
After technique workshop returns to preparation system, temperature all can rise, about at the level of about 23 ± 1 DEG C.
So, process cooling water system is typically the chilled water pair utilizing fridge to provide during controlling water temperature
Process cooling water is lowered the temperature, and during this, chilled water is consumed in a large number.
To sum up, in deionized water preparation process water source temperature-rise period and produce liquid crystal panel dustless technique
The temperature-fall period of shop production line equipment consumes the substantial amounts of energy, and cannot be carried out recycling, and causes resource
Waste.
Summary of the invention
For drawbacks described above and the problem of prior art, the purpose of the embodiment of the present invention is to provide a kind of for liquid
The energy conserving system of crystal panel production technology.
In order to achieve the above object, the present invention provides following technical scheme:
In some optional embodiments, it is provided that a kind of energy conserving system for liquid crystal panel production technology, bag
Include: deionized water preparation facilities, water supply line and process cooling water system, it is characterised in that also include:
Heat exchanger；The chilled water of described process cooling water system connects for the Heating medium of water end (W.E.) with described heat exchanger
Connecing, chilled water backwater end exports with the heating agent of described heat exchanger and is connected；Described water supply line is handed over described heat
The coolant import of parallel operation connects, deionized water preparation facilities water inlet pipe and the refrigerant exit of described heat exchanger
Connect, make described water supply line feed the urban water in described deionized water preparation facilities water inlet pipe and heat up,
Make the intrasystem industrial colling of described process cooling water lower the temperature simultaneously.
In some optional embodiments, described heat exchanger is single process plate fin type heat exchanger, and material is
SUS316 rustless steel.
In some optional embodiments, described a kind of energy conserving system for liquid crystal panel production technology,
Also including: filter plant, described filter plant is arranged on the coolant of described water supply line and described heat exchanger
Between import, urban water is filtered.
In some optional embodiments, described water supply line arranges water delivery water pump, by city's water supply line 7
Interior urban water pumps into described heat exchanger.
In some optional embodiments, described a kind of energy conserving system for liquid crystal panel production technology,
Also including: standby supply channel, described standby supply channel arranges reserve pump, described standby supply channel
It is connected with described water supply line.
In some optional embodiments, described process cooling water system includes: power conveying device, control
Device, water tank, plate type heat exchanger, chilled water pipeline, cooling water pipeline and filter；Described chilled water pipe
Road is connected with described cooling water pipeline by plate type heat exchanger, makes the industrial colling in described cooling water pipeline
Cooling.
In some optional embodiments, described control device includes: PLC, converter, temperature sensor and
Pressure transducer, described converter, temperature sensor and pressure transducer be connected with described PLC, described temperature
Degree sensor and described pressure transducer measure temperature value and the force value of the industrial colling at the mouth of a river respectively,
Described converter is for controlling the variable frequency pump in described power conveying device.
The beneficial effect that the present invention is brought: in liquid crystal panel production process, according to urban water and technique
The characteristic of cooling water, utilizes the method that energy transmits, is transferred in urban water by the heat of process cooling water,
Reduce the temperature-rise period at water source in deionized water preparation process with this and produce the dustless technique car of liquid crystal panel
Between the consumption of this two parts water source energy of temperature-fall period of apparatus for production line, it is not necessary to extra use water vapour to carry out
Heat up, simultaneously without using fridge to lower the temperature, not only simplify liquid crystal panel production procedure, more significantly
Reduce the energy consumption in liquid crystal panel production process, thus reach the purpose of energy-saving and emission-reduction, and then reduce cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure connection diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiments of the invention, technical scheme is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
According to Fig. 1, in some illustrative embodiments, it is provided that a kind of for liquid crystal panel production work
The energy conserving system of skill, including: deionized water preparation facilities 1, deionized water preparation facilities water inlet pipe 2, confession
Waterpipe 3, process cooling water system 4 and heat exchanger 5.In the production process of liquid crystal panel, deionization
Water preparation apparatus 1 uses substantial amounts of urban water to prepare deionized water, and urban water is tap water or middle water,
In prior art, during improving urban water, consume the heat energy of a large amount of steam.Process cooling water system 4
Work temperature needed for each production equipment maintenance equipment in the dustless technique workshop making production liquid crystal panel
Degree, in prior art, is maintaining process cooling water supply water temperature during 19 ± 1 DEG C, is using fridge
And chilled water is consumed in a large number.The cold side of the heat exchanger 5 of the present invention arranges process cooling water system 4,
Heat side arranges deionized water preparation facilities water inlet pipe 2 and water supply line 3, is passed by the heat of process cooling water
It is handed in the urban water needed for deionized water preparation facilities 1, thus reduces energy consumption.
The chilled water of process cooling water system 4 is connected with the Heating medium 51 of heat exchanger 5 for water end (W.E.) 41,
Chilled water backwater end 42 exports 52 with the heating agent of heat exchanger 5 and is connected.Water supply line 3 and heat exchanger 5
Coolant import 53 connect, the refrigerant exit 54 of deionized water preparation facilities water inlet pipe 2 and heat exchanger 5
Connect so that water supply line 3 feeds the urban water in deionized water preparation facilities water inlet pipe 2 and heats up,
Make the industrial colling in process cooling water system 4 lower the temperature, by heat exchanger 5 by process cooling water simultaneously
Heat be transferred in urban water, it is not necessary to extra use water vapour and fridge, not only simplify liquid crystal surface
Plate production procedure, is more substantially reduced the energy consumption in liquid crystal panel production process, thus reaches the mesh of energy-saving and emission-reduction
, and then reduce cost.
In some illustrative embodiments, heat exchanger 5 is single process plate fin type heat exchanger, and material is
SUS316 rustless steel, heat exchanger 5 uses two-phase media, two-phase media to be liquid, heat exchanger 5
Power set can select all kinds of water pumps according to on-site actual situations.
In some illustrative embodiments, urban water is from tap water or middle water, so needing that carry out must
The pretreatment wanted, i.e. filters.Described a kind of energy conserving system for liquid crystal panel production technology also includes:
Filter plant, filter plant is arranged between the coolant import 53 of water supply line 3 and heat exchanger 5, to city
City's water filters.
The dry point of process cooling water system 4, i.e. chilled water are carried out according to field condition for the position of water end (W.E.) 41
Set.Process cooling water system 4 self is equipped with power conveying device, therefore, process cooling water system 4
Running parameter, such as: technical cooling discharge can be calculated or measured.After over-heat-exchanger 5 heat exchange
The temperature of process cooling water need to reach the requirement of process cooling water system 4 inflow temperature, so, heat is handed over
The selection of the model of parallel operation 5 needs with cold side leaving water temperature for limiting, inadvisable too much heat away, according to
Energy balane formula can calculate cold side exothermic maximum amount and heat side absorbs caloric value.
Heat exchanger 5 heat side is urban water, and dry point is selected near source, water source, needs to increase water
Pump is for being delivered to urban water at heat exchanger 5.In some illustrative embodiments, water supply line 3
On water delivery water pump 31 is set, the urban water in city's water supply line is pumped into the coolant import of heat exchanger 5
53.For ensure energy conserving system normal time stable operation, in some illustrative embodiments, described one
Energy conserving system for liquid crystal panel production technology also includes: standby supply channel 6, and standby supply channel 6 sets
Putting reserve pump 61, standby supply channel 6 is connected with water supply line 3, periodically switches over, anti-locking system
The most out of service.
The model of water delivery water pump 31 and reserve pump 61 carries for heat exchanger 5 according to process cooling water system 4
The exothermic maximum amount of confession selects.
Owing to urban water temperature changes with seasonal variations, summer, the temperature of urban water was higher than technical cooling
During the return water temperature of water system 4, heat cannot efficient recovery, therefore the present invention is only applicable to urban water temperature
Situation less than the return water temperature of process cooling water system 4.
In some illustrative embodiments, process cooling water system 4 includes: power conveying device, control
Device, water tank, plate type heat exchanger, chilled water pipeline, cooling water pipeline and filter.Chilled water pipeline leads to
Cross plate type heat exchanger to be connected with cooling water pipeline, make the industrial colling in cooling water pipeline lower the temperature, chilled water
For providing by heat exchanger 5 to the chilled water of industrial colling cooling in pipeline, water tank is for cold for technique
But water system 4 carries out moisturizing.
Wherein, control device to include: PLC, converter, temperature sensor and pressure transducer, described frequency conversion
Device, temperature sensor and pressure transducer are connected with described PLC.Temperature sensor and pressure transducer are respectively
Measure temperature value and the force value of the industrial colling at the mouth of a river, control after feeding back to PLC, PLC analyzing and processing
The aperture of valve is to adjust relevant parameter.Variable frequency pump in power conveying device is by Frequency Converter Control, frequency conversion
Device is connected to PLC, and after the force value that pressure transducer is measured feeds back to PLC, PLC changes frequency conversion by converter
The frequency of water pump, i.e. converter are for controlling the variable frequency pump in power conveying device.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
Described it is as the criterion with scope of the claims.
Claims (7)
1. for an energy conserving system for liquid crystal panel production technology, including: deionized water preparation facilities, confession
Waterpipe and process cooling water system, it is characterised in that also include: heat exchanger；Described process cooling water
The chilled water of system is connected with the Heating medium of described heat exchanger for water end (W.E.), chilled water backwater end and described heat
The heating agent outlet of exchanger connects；Described water supply line is connected with the coolant import of described heat exchanger, go from
Sub-water preparation apparatus water inlet pipe is connected with the refrigerant exit of described heat exchanger, makes described water supply line feed
Urban water in described deionized water preparation facilities water inlet pipe heats up, and makes described technical cooling water system simultaneously
Industrial colling cooling in system.
A kind of energy conserving system for liquid crystal panel production technology the most according to claim 1, its feature
Being, described heat exchanger is single process plate fin type heat exchanger, and material is SUS316 rustless steel.
A kind of energy conserving system for liquid crystal panel production technology the most according to claim 1 and 2, its
Being characterised by, also include: filter plant, described filter plant is arranged on described water supply line and hands over described heat
Between the coolant import of parallel operation, urban water is filtered.
A kind of energy conserving system for liquid crystal panel production technology the most according to claim 3, its feature
It is, described water supply line arranges water delivery water pump, the urban water in city's water supply line is pumped into described
Heat exchanger.
A kind of energy conserving system for liquid crystal panel production technology the most according to claim 4, its feature
Being, also include: standby supply channel, described standby supply channel arranges reserve pump, described standby confession
Water lines is connected with described water supply line.
A kind of energy conserving system for liquid crystal panel production technology the most according to claim 5, its feature
Being, described process cooling water system includes: power conveying device, control device, water tank, plate-type heat-exchange
Device, chilled water pipeline, cooling water pipeline and filter；Described chilled water pipeline passes through plate type heat exchanger and institute
State cooling water pipeline to connect, make the industrial colling in described cooling water pipeline lower the temperature.
A kind of energy conserving system for liquid crystal panel production technology the most according to claim 6, its feature
Being, described control device includes: PLC, converter, temperature sensor and pressure transducer, described frequency conversion
Device, temperature sensor and pressure transducer are connected with described PLC, and described temperature sensor and described pressure pass
Sensor measures temperature value and the force value of the industrial colling at the mouth of a river respectively, and described converter is used for controlling institute
State the variable frequency pump in power conveying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292650.7A CN105929569A (en) | 2016-05-05 | 2016-05-05 | Energy saving system for production process of liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292650.7A CN105929569A (en) | 2016-05-05 | 2016-05-05 | Energy saving system for production process of liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105929569A true CN105929569A (en) | 2016-09-07 |
Family
ID=56835176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292650.7A Pending CN105929569A (en) | 2016-05-05 | 2016-05-05 | Energy saving system for production process of liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105929569A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271333A (en) * | 1997-09-23 | 2000-10-25 | Hvr水净化股份公司 | Apparatus for obtaining pure water from crude water |
| JP2008028008A (en) * | 2006-07-19 | 2008-02-07 | Dainippon Screen Mfg Co Ltd | Device, system, and method for substrate treatment |
| CN201589458U (en) * | 2009-10-30 | 2010-09-22 | 中芯国际集成电路制造(上海)有限公司 | Heat recovery device for cooling water |
| CN202141360U (en) * | 2011-06-24 | 2012-02-08 | 南通汇羽丰新材料有限公司 | Heat recovery device for industrial circulating cooling water |
| CN102608810A (en) * | 2011-03-10 | 2012-07-25 | 哈利盛东芝照明股份有限公司 | Liquid crystal panel manufacturing apparatus and method for manufacturing liquid crystal panel |
-
2016
- 2016-05-05 CN CN201610292650.7A patent/CN105929569A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271333A (en) * | 1997-09-23 | 2000-10-25 | Hvr水净化股份公司 | Apparatus for obtaining pure water from crude water |
| JP2008028008A (en) * | 2006-07-19 | 2008-02-07 | Dainippon Screen Mfg Co Ltd | Device, system, and method for substrate treatment |
| CN201589458U (en) * | 2009-10-30 | 2010-09-22 | 中芯国际集成电路制造(上海)有限公司 | Heat recovery device for cooling water |
| CN102608810A (en) * | 2011-03-10 | 2012-07-25 | 哈利盛东芝照明股份有限公司 | Liquid crystal panel manufacturing apparatus and method for manufacturing liquid crystal panel |
| CN202141360U (en) * | 2011-06-24 | 2012-02-08 | 南通汇羽丰新材料有限公司 | Heat recovery device for industrial circulating cooling water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108644747B (en) | It is a kind of to utilize super pressure-high temperature vapour system in the generation of dyeing waste water waste heat | |
| CN208952510U (en) | A kind of modified constant pressure water supply industry cooling water circulation system | |
| CN207935045U (en) | High-efficiency antiscaling thermostatic type waste heat recovery system of air compressor | |
| CN211823393U (en) | Constant temperature water supply type industrial cooling water circulation system | |
| CN202707412U (en) | Cooling water heat recovery preheating system for air compressor | |
| CN204943789U (en) | cooling water energy-saving control system | |
| CN211823394U (en) | Bypass regulation type industrial cooling water circulation system | |
| CN101737915B (en) | Device for producing drinking water by using recovered waste heat of central air conditioner | |
| CN105929569A (en) | Energy saving system for production process of liquid crystal display panel | |
| CN207778546U (en) | Waste heat heat accumulation recovery system | |
| CN107384721B (en) | Cooling water constant temperature and purification system and process thereof | |
| CN203533876U (en) | Sewage source direct drainage type air conditioning heat pump system | |
| CN206368386U (en) | A kind of softened water and condensed water complementary type technique hot water water charging system | |
| CN102557090A (en) | Method for recycling heat energy of new steam condensed water in whole plant during alumina production | |
| CN212057890U (en) | Fluid precooling circulating system | |
| CN208907692U (en) | A kind of direct HEAT PUMP BASED ON EJECTING PRINCIPLE system of enhanced heat exchange | |
| CN208620424U (en) | A kind of big temperature difference heat-exchange system | |
| CN209371609U (en) | A kind of constant pressure water supply type industry cooling water circulation system in carry potential overflow circuit | |
| CN202054818U (en) | Softened water circulating system of air compressors in beer production technology | |
| CN202328974U (en) | Cooling system for working liquid in pre-coated sensitized plate production | |
| CN220637175U (en) | Medium-low temperature cooling water system | |
| CN214880572U (en) | Energy-efficient operating system of cold sediment machine | |
| CN1256551C (en) | High efficiency water heater for preparing life hot water | |
| CN209459261U (en) | A kind of recoverable water cooling refrigeration system of energy conservation and environmental protection heat | |
| CN102155613A (en) | Carbon dioxide refrigeration capacity recycling system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160907 |