CN102295273A - Circulating water cooling treatment system - Google Patents
Circulating water cooling treatment system Download PDFInfo
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- CN102295273A CN102295273A CN2011101645819A CN201110164581A CN102295273A CN 102295273 A CN102295273 A CN 102295273A CN 2011101645819 A CN2011101645819 A CN 2011101645819A CN 201110164581 A CN201110164581 A CN 201110164581A CN 102295273 A CN102295273 A CN 102295273A
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- circulating water
- cooling
- heat exchanger
- oxygen production
- production unit
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Abstract
The invention discloses a circulating water cooling treatment system applied for production process of oxygen generation, characterized in that: the circulating water circulates in a circulating water pipeline system for cooling production devices of oxygen generation, the production devices of oxygen generation comprise a vaporizer and a heat exchanger, wherein, the heat exchanger is used for supplying heat to the vaporizer, and the circulating water pipeline system is communicated with the heat exchanger after flowing through the production devices of oxygen generation. Simultaneously, the temperature of the circulating water is reduced to a certain degree, the cooling tower is not needed or the fan and motor can be opened less; by the heat exchange between the cooling medium and the devices of oxygen generation and the heat exchange between the cooling medium and the vaporizer, the two links achieve the purpose of energy saving and environmental production. The whole process has the advantages of small occupied area, simple and reasonable process, and small investment.
Description
Technical field
The invention belongs to the technical field that metallurgical industry is produced, relate to the system oxygen production technique in the Iron And Steel Industry production, more particularly, the present invention relates to a kind of recirculated water cooling treatment system.
Background technology
The deep cooling oxygen preparation is exactly a liquefaction temperature difference of utilizing oxygen, argon gas, nitrogen, by system oxygen technology air cooling-down to-183 ℃ ,-186 ℃ and-196 ℃, thereby obtain liquid oxygen, argon gas and nitrogen.But in the process of using for the user, usefulness all be gasiform oxygen, argon gas and nitrogen, therefore, liquid oxygen, liquid argon and liquid nitrogen by system oxygen explained hereafter goes out by the vaporizer heating, make it to be vaporized into gas again, could use for the user.In this process, expend a large amount of electric energy.
In above-mentioned system oxygen technology, need large fan equipment such as air compressor machine, oxygen compressor, nitrogen compressor, these equipment owing to the running of equipment or to producing a large amount of heat in the gas compression processes, therefore need cool off equipment in the course of the work.The common type of cooling is with the cooling of pump handle cold water (recirculated water) supply arrangement, cold water temperature raises simultaneously, the recirculated water that temperature raises is got back to cooling tower, filler and fan are housed on the cooling tower, and by filler, fan is by electric motor driving from top to bottom for recirculated water, drive air-flow and carry out convective heat exchange with recirculated water from bottom to top, thereby take away heats a large amount of in the water, circulating water temperature is reduced to satisfy the temperature of apparatus cools needs, deliver to equipment such as needing the refrigerative large fan by water pump again.Water coolant returns cooling tower after temperature raises, form circulation.
At present, all adopt above-mentioned vaporization and apparatus cools mode in domestic most of system oxygen technology.On the one hand, liquid oxygen, liquid argon and liquid nitrogen the time need consuming electric power that heat is provided in vaporization, and on the other hand, the heat in the recirculated water is dispersed in the middle of the atmosphere by air quantity by motor-driven fan again, and in power consumption, pyritous gas is also influential to environment.
Summary of the invention
The problem that the present invention solves provides a kind of recirculated water cooling treatment system, its objective is the energy consumption that reduces the vaporizer in the system oxygen explained hereafter.
To achieve these goals, the technical scheme taked of the present invention is:
Recirculated water cooling treatment system provided by the present invention, be applied to make the oxygen production technique, described recirculated water circulates in the circulating water line system, be used for cooling to system oxygen production unit, described system oxygen production unit comprises vaporizer, heat exchanger, described heat exchanger is the device that heat is provided for described vaporizer, and described circulating water line system is communicated with described heat exchanger behind the described system oxygen production unit of flowing through.
Establish water circulating pump, circulating water pool in the described circulating water line system, described water circulating pump is located between circulating water pool and the system oxygen production unit.
Establish cooling tower in the described circulating water line system, establish cooling fan in the described cooling tower; Be further divided into two branch roads from the effusive pipeline of described heat exchanger, with the suction culvert and the described circulating water pool of described cooling tower are communicated with respectively; The outlet pipeline of described cooling tower is communicated with described circulating water pool.
On each described branch road, be equipped with opening-closing valve.
The driving mechanism for switch of two described opening-closing valves is connected with the Controlling System of described system oxygen production unit by the actuate signal circuit; Establish temperature sensor on the described heat exchanger, the temperature signal of described temperature sensor transmits circuit and is connected with the Controlling System of described system oxygen production unit.
The present invention adopts technique scheme, and the heat in the recirculated water is offered liquid oxygen, liquid nitrogen or liquid argon by heat exchanger, has saved the power consumption of vaporizer; Circulating water temperature is reduced to a certain degree simultaneously, can be without cooling tower or the dynamo-electric machine (according to heat Calculation) that blows in less, by twice heat exchange between heat-eliminating medium and oxygen generating plant, heat-eliminating medium and the vaporizer, two links have reached energy-conservation and purpose environmental protection; The whole process flow floor space is very little, and technical process is simple, reasonable, less investment.
Description of drawings
Below expressed content of this Figure of description and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present invention.
Be labeled as among the figure:
1, vaporizer, 2, heat exchanger, 3, the circulating water line system, 4, water circulating pump, 5, circulating water pool, 6, cooling tower, 7, heat-eliminating medium, 8, cooling fan, 9, opening-closing valve, 10, system oxygen production unit.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed as Fig. 1, be a kind of recirculated water cooling treatment system, be liquid oxygen, liquid nitrogen, the vaporescence of liquid argon and a kind of system that carries out heat exchange by this mode in the system oxygen technology, be applied to make the oxygen production technique, described recirculated water circulates in circulating water line system 3, be used for cooling to system oxygen production unit 10, described system oxygen production unit 10 comprises equipment such as vaporizer 1, heat exchanger 2 and blower fan, and described heat exchanger 2 is devices that heat is provided for described vaporizer 1.In described system oxygen production technique, liquid oxygen, liquid argon or liquid nitrogen need absorb heat by vaporizer 1 and become gaseous state from liquid state.
Heat-eliminating medium 7 among the figure is all devices recirculated cooling waters.The heat transfer process of heat exchanger 2 occurs in the process that makes liquid oxygen, liquid nitrogen or liquid argon vaporization.Described liquid oxygen, liquid argon or liquid nitrogen come the heat of automatic heat-exchanger 2 to be vaporized into gas because of having absorbed in vaporizer 1, offer the user again.
In order to solve the problem that exists at the described present known technology of this specification sheets background technology part and to overcome its defective, realize reducing the goal of the invention of the energy consumption of making the vaporizer in the oxygen explained hereafter, the technical scheme that the present invention takes is:
As shown in Figure 1, recirculated water provided by the present invention cooling treatment system, described circulating water line system 3 are communicated with described heat exchanger 2 in described system oxygen production unit 10 backs of flowing through.
The present invention is to provide in the system oxygen technology in liquid oxygen, liquid argon or the liquid nitrogen vaporization process thermal source from the used heat in the equipment recirculated cooling water.The heat-eliminating medium 7 that has obtained heat in aforesaid device carries out indirect heat exchange by circulating water line system 3 and heat exchanger 2 with liquid oxygen, liquid nitrogen or liquid argon, with heat transferred vaporizer 1.
This recirculated water used heat provided by the present invention utilizes method, heat in the recirculated water is supplied with liquid oxygen, liquid nitrogen or liquid argon by heat exchanger, saved the electric energy that adds heat vapourizer 1 because of power consumption, solved the energy consumption issues of vaporizer, circulating water temperature reduces simultaneously, can reach purpose of energy saving equally without the cooling tower 6 or the dynamo-electric machine (according to heat Calculation) that blows in less.
The present invention adopts technique scheme, by twice heat exchange between heat-eliminating medium and equipment, heat-eliminating medium and the vaporizer, has reached energy-conservation and and the purpose of environmental protection.Whole technology is taken up an area of very little, and technical process is simplified, and technology is simple, reasonable, less investment.
Establish water circulating pump 4, circulating water pool 5 in the above-described circulating water line system 3, described water circulating pump 4 is located between circulating water pool 5 and the system oxygen production unit 10.
Described heat-eliminating medium 7 cools off by water circulating pump 4 power-equipments such as supplying with blower fan, compressor that boost.
Establish cooling tower 6 in the circulating water line of the present invention system 3, establish cooling fan 8 in the described cooling tower 6; Be further divided into two branch roads from described heat exchanger 2 effusive pipelines, with the suction culvert and the described circulating water pool 5 of described cooling tower 6 are communicated with respectively; The outlet pipeline of described cooling tower 6 is communicated with described circulating water pool 5.
Described heat-eliminating medium 7 reduces because of temperature, get back to circulating water pool 5 before, the drive-motor of the cooling fan 8 of cooling tower 6 can not opened, or opens less, thereby has saved electric energy.
On each described branch road, be equipped with opening-closing valve 9.
The effect of opening-closing valve 9 is to make described heat-eliminating medium after heat exchange or through cooling tower 6 coolings, perhaps without cooling tower 6 coolings, by the switch of opening-closing valve 9 is realized above-mentioned control.
The driving mechanism for switch of two described opening-closing valves 9 is connected with the Controlling System of described system oxygen production unit 10 by the actuate signal circuit; Establish temperature sensor on the described heat exchanger 2, the temperature signal of described temperature sensor transmits circuit and is connected with the Controlling System of described system oxygen production unit 10.
Opening-closing valve 9 is by the Controlling System control of described system oxygen production unit 10.The Controlling System of system oxygen production unit 10 is obtained the temperature signal of described temperature sensor and is controlled.Its control method is as follows:
Described heat-eliminating medium 7 temperature reduce, according to the calculating of heat as can be known its temperature whether be lower than the needed temperature of apparatus cools.If be lower than the needed temperature of apparatus cools, heat-eliminating medium 7 is directly sent back to circulating water pool 5 from the pressure of water circulating pump 4; If temperature is higher, do not satisfy the temperature requirement of equipment recirculated water, then by sending back to circulating water pool 5 again after cooling tower 6 coolings.By in the process of cooling tower 6, because of the filler heat exchange of heat-eliminating medium 7, and under the effect of cooling fan, the temperature of heat-eliminating medium 7 is further reduced with cooling tower 6 inside, make its cooling so that be sent to the pyritous power-equipment.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (5)
1. a recirculated water cools off treatment system, be applied to make the oxygen production technique, described recirculated water circulates in circulating water line system (3), be used for cooling to system oxygen production unit, described system oxygen production unit (10) comprises vaporizer (1), heat exchanger (2), described heat exchanger (2) is the device that heat is provided for described vaporizer (1), it is characterized in that: described circulating water line system (3) is communicated with described heat exchanger (2) in described system oxygen production unit (10) back of flowing through.
2. according to the described recirculated water cooling of claim 1 treatment system, it is characterized in that: establish water circulating pump (4), circulating water pool (5) in the described circulating water line system (3), described water circulating pump (4) is located between circulating water pool (5) and the system oxygen production unit (10).
3. according to the described recirculated water cooling of claim 2 treatment system, it is characterized in that: establish cooling tower (6) in the described circulating water line system (3), establish cooling fan (8) in the described cooling tower (6); Be further divided into two branch roads from the effusive pipeline of described heat exchanger (2), with the suction culvert and the described circulating water pool (5) of described cooling tower (6) are communicated with respectively; The outlet pipeline of described cooling tower (6) is communicated with described circulating water pool (5).
4. according to the described recirculated water cooling of claim 3 treatment system, it is characterized in that: on each described branch road, be equipped with opening-closing valve (9).
5. according to the described recirculated water cooling of claim 4 treatment system, it is characterized in that: the driving mechanism for switch of two described opening-closing valves (9) is connected with the Controlling System of described system oxygen production unit (10) by the actuate signal circuit; Described heat exchanger is established temperature sensor on (2), and the temperature signal of described temperature sensor transmits circuit and is connected with the Controlling System of described system oxygen production unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101645819A CN102295273A (en) | 2011-06-18 | 2011-06-18 | Circulating water cooling treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101645819A CN102295273A (en) | 2011-06-18 | 2011-06-18 | Circulating water cooling treatment system |
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| CN102295273A true CN102295273A (en) | 2011-12-28 |
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| CN2011101645819A Pending CN102295273A (en) | 2011-06-18 | 2011-06-18 | Circulating water cooling treatment system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201198958Y (en) * | 2008-05-20 | 2009-02-25 | 刘金治 | Carbon dioxide carburetor |
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- 2011-06-18 CN CN2011101645819A patent/CN102295273A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201198958Y (en) * | 2008-05-20 | 2009-02-25 | 刘金治 | Carbon dioxide carburetor |
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Application publication date: 20111228 |