CN105091462A - Circulating cooling system for large mechanical property testing machine and cooling method of circulating cooling system - Google Patents
Circulating cooling system for large mechanical property testing machine and cooling method of circulating cooling system Download PDFInfo
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- CN105091462A CN105091462A CN201510626147.6A CN201510626147A CN105091462A CN 105091462 A CN105091462 A CN 105091462A CN 201510626147 A CN201510626147 A CN 201510626147A CN 105091462 A CN105091462 A CN 105091462A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a circulating cooling system for a large mechanical property testing machine. The circulating cooling system comprises a water storage tank A, a water storage tank B, a water storage tank C and a water storage tank D which are all connected through water pipes; a circulating water inflow pipe A is connected with the water storage tank C and the water storage tank D, and a circulating water inflow pipe B is connected with the water storage tank C and the water storage tank D; the circulating water inflow pipe A and the circulating water inflow pipe B are each provided with a temperature control device; the circulating water inflow pipe A is connected with equipment through a water pump A and a water pump B; the equipment is connected with a cooling pipeline through a water outflow pipe A and a water outflow pipe B; the cooling pipeline is connected with the top of the water storage tank A; the temperature control devices are connected with a flow control valve; low temperature water is used for cooling the equipment in a circulating manner; high temperature water flows into the water storage tank A after being cooled through the cooling pipeline; the low temperature water flows downwards from the bottom of the water storage tank A; the high temperature water flows downwards from the top of the water storage tank A, and secondary cooling is achieved; and if it is detected that water temperature exceeds critical water temperature, circulating cooling is performed again, and the cooled water is pressurized to flow into the equipment. The system can save water resources and is low in cost and outstanding in cooling effect.
Description
Technical field
The present invention relates to a kind of cooling system, be specifically related to the circulating cooling system for large-scale testing machine for mechanical properties and cool-down method thereof.
Background technology
In many scientific research institutions, enterprise and colleges and universities carry out often relating to bending-torsion testing machine in material properties test and process of the test, fatigue tester and cut many large-scale Mechanics Performance Testing testing machines such as pressure testing machine etc., this kind of testing machine purchasing price is all very expensive, maintenance cost is also relatively high, and the requirement of people to material property increases day by day, this is also higher to the precision requirement of testing machine simultaneously, it is all long that its service time compares other testing equipments, easily continuous several days even tens days, and equipment itself inevitably produces amount of heat in long-play process, this often needs to carry out to it the stable of process constant and each performance of equipment with guarantee test oil pressure of lowering the temperature, also need to prevent temperature too high and the premature aging causing lubricating oil, thus reduce the service life of lubricating oil.If but falling temperature gradient is excessive or be too smallly all unfavorable for the operation that device security is stable in temperature-fall period.If falling temperature gradient is too small, do not reach actual cooling-down effect, the stability that device temperature is too high makes the unstable and then equipment that affects of oil pressure in equipment run and the accuracy of test; If falling temperature gradient is excessive, long operation also can cause a large amount of wastes of energy and water resource.Current constituent parts is generally taked directly to lower the temperature with running water, and this also reduces the service life of equipment and oil plant while making the error increase tested, equally also waste a large amount of water resources.
On the installing space of equipment, many units adopt independently running water single cycle directly to lower the temperature, its cooling system is rough, and floor space is comparatively large, does not possess cycle cooling system, this still can for skinny device short-term operation, but main equipment long-play is obviously existed to the huge waste situation of resource, especially for the many units in city, space resources and running water resource quite valuable, main equipment longtime running, its waste situation can not be ignored.
In view of this feelings road conditions, need to design a kind of constant temperature multi cycle cooling system and solve such problem.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the object of this invention is to provide the circulating cooling system for large-scale testing machine for mechanical properties and cool-down method thereof, this system has saving water resource, save installing space and equipment and materials, safeguard simple and convenient, power consumption is less, be easy to processing and manufacturing, with low cost, oil temperature is stablized, the feature that cooling-down effect is outstanding.
To achieve these goals, the technical solution used in the present invention is: a kind of circulating cooling system for large-scale testing machine for mechanical properties, it is characterized in that, include water tank A, the water tank B, water tank C and water tank D, water tank A, water tank B, the water tank C that arrange in step-wise manner to be connected by water pipe with water tank D; Circulation water inlet pipe A is connected respectively with bottom water tank C, water tank D, and circulation water inlet pipe B is connected respectively with bottom water tank C, water tank D; Circulation water inlet pipe A and circulation water inlet pipe B is provided with attemperating unit; Circulation water inlet pipe A is connected with equipment by water pump A, and circulation water inlet pipe B is connected with equipment by water pump B; Its upper side is connected with hot channel by outlet pipe A, and equipment bottom is connected with hot channel by outlet pipe B; Hot channel is connected with the water tank A top being positioned at highest point; Attemperating unit is connected by cooling-water temperature sensor with flow control valve.
Described water tank A, water tank B, water tank C top are connected; Water tank A, water tank B, water tank C and water tank D reduce from left to right highly successively; Be connected with water tank C top bottom water tank B; Water tank C top is connected with water tank D top; The water inlet at water tank B top is connected by outlet pipe C with water tank D sidepiece, and outlet pipe C is provided with flow control valve.
The S-shaped laying of described hot channel.
Described cooling fan is located in the horizontal pipeline section of hot channel.
Described outlet pipe passes into hot channel.
The method of a kind of cooling of the circulating cooling system for large-scale testing machine for mechanical properties described in utilization, comprises the following steps:
1) low temperature running water to be pressurizeed inflow equipment circulation temperature lowering through water pump A, water pump B by water inlet pipe A, water inlet pipe B bottom water tank C and water tank D, the high-temperature water flowed out from equipment flows into water tank A after entering hot channel heat radiation, water at low temperature flows to next stage water tank by bottom water tank A, the high water of temperature then by water tank A overhead stream to next stage water tank, realize reducing temperature twice;
2) attemperating unit detects wanting the water temperature of access arrangement after step 1) reducing temperature twice, if T during critical water temperature when this water temperature exceedes access arrangement
thtime, attemperating unit carries out circulation temperature lowering again by control flow check control valve after detecting;
3) the constant temperature running water after being lowered the temperature by classification is inflow equipment after water pump A, water pump B pressurization, by heat transfer absorption equipment temperature, realizes equipment cooling.
Running water is provided with in described system.
Native system reaches good by classification cooling and falls cooling-down effect, and the system of ensure that passes into the stable of the constant and equipment oil pressure of the water temperature of equipment, and in system, running water can recycled for multiple times, has saved installing space and material while avoiding water resource waste.Native system can realize classification cooling, controls constant temperature running water and carries out equipment cooling.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in more detail.
A kind of circulating cooling system for large-scale testing machine for mechanical properties, it is characterized in that, include water tank A1, the water tank B2, water tank C3 and water tank D4, water tank A, water tank B, the water tank C that arrange in step-wise manner to be connected by water pipe with water tank D; Circulation water inlet pipe A6 is connected respectively with bottom water tank C, water tank D, and circulation water inlet pipe B7 is connected respectively with bottom water tank C, water tank D; Circulation water inlet pipe A6 and circulation water inlet pipe B7 is provided with attemperating unit 5; Circulation water inlet pipe A6 is connected with equipment 19 by water pump A8, and circulation water inlet pipe B7 is connected with equipment 19 by water pump B9; Equipment 19 top is connected with hot channel 13 by outlet pipe A10, and equipment 19 bottom is connected with hot channel 13 by outlet pipe B11; Hot channel 13 is connected with the water tank A top being positioned at highest point; Attemperating unit is connected by cooling-water temperature sensor 18 with flow control valve 16.
Described water tank A, water tank B, water tank C top are connected; Water tank A, water tank B, water tank C and water tank D reduce from left to right highly successively; Be connected with water tank C top bottom water tank B; Water tank C top is connected with water tank D top; The water inlet 14 at water tank B top is connected by outlet pipe C15 with water tank D sidepiece, and outlet pipe C is provided with flow control valve 16.Delivery port 17 on water tank D is connected with outlet pipe C15.
The described S-shaped laying of hot channel 13.
Described cooling fan 12 is located in the horizontal pipeline section of hot channel.
Described outlet pipe passes into hot channel.
Embodiment
The present embodiment is a kind of circulating cooling system of large-scale mechanical property fatigue tester, and structure as shown in Figure 1.This circulating cooling system comprises: water tank A1, water tank B2, water tank C3 and water tank D4, hot channel 13, attemperating unit 5, water pump A8, water pump B9, cooling fan 12, recycling outlet A10, recycling outlet B11 and flow control valve 16.Water tank A1, water tank B2, water tank C3 and water tank D4 place with gradient profile, ensure that in tank, differential water pressures is so that the flowing of running water.Circulation water inlet pipe A6, circulation water inlet pipe B7 are connected with water pump A8, water pump B9, water pump A8, water pump B9 are connected with equipment, circulation water inlet pipe A6, circulation water inlet pipe B7 are provided with attemperating unit 5, recycling outlet A10, recycling outlet B11 pass into hot channel 13, hot channel 13 is installed cooling fan 12, hot channel 13 passes into water tank A1, water tank A1, water tank B2, water tank C3 and water tank D4 are in series, outlet conduit 15 is installed flow control valve 16, be connected with water tank B2, whole system forms running water closed circuit.
In water tank C3, water tank D4, low temperature running water realizes cooling by circulation water inlet pipe A6, circulation water inlet pipe B7 through water pump A8, water pump B9 pressurization inflow equipment, and the effect of water pump A8 and water pump B9 is to provide running water access arrangement power so that the heat that equipment produces taken away in time by running water.Recirculated water runs the heat distributed in a device by heat transfer absorption equipment, the high-temperature water flowed out from equipment enters after hot channel 13 dispels the heat and flows into water tank 1, realize first order circulating water cooling, on hot channel, cooling fan 12 is the coolings in order to accelerate high temperature running water.Because water at low temperature density is greater than high-temperature water, therefore water at low temperature by flow to bottom water tank the high water of next stage water tank temperature then by water tank overhead stream to next stage water tank, realize reducing temperature twice; Water temperature after reducing temperature twice is still exceeded to the critical water temperature T of access arrangement
thtime, carry out third time circulation temperature lowering by the opening and closing degree of control flow check control valve 16 and then control running water flow after attemperating unit 5 detects.
Cooling-water temperature sensor is had above attemperating unit, its metal is that resistant material has good heat-conductive characteristic, be connected by cooling-water temperature sensor 18 with flow control valve 16, flow control valve 16 is the temperature detect switch (TDS)s controlling uninterrupted with water temperature change, be arranged on outlet conduit 15, when flowing into the water temperature of equipment 19 or 20 lower than critical water temperature T
thtime, information feeds back to flow control valve 16 by cooling-water temperature sensor 18, and flow control valve 16 flow valve is closed condition, when inflow equipment water temperature exceedes critical water temperature T
thtime, information feeds back to flow control valve 16 by cooling-water temperature sensor 18 cooling-water temperature sensor, flow control valve 16 flow valve then can along with water temperature elevated-levels control valve doorway size, and then control delivery port 17 discharge, adjustment System running water circulates, until the equipment of inflow water temperature meets water temperature condition.
Claims (6)
1. for the circulating cooling system of large-scale testing machine for mechanical properties, it is characterized in that, include water tank A, the water tank B, water tank C and water tank D, water tank A, water tank B, the water tank C that arrange in step-wise manner and be connected by water pipe with water tank D; Circulation water inlet pipe A is connected respectively with bottom water tank C, water tank D, and circulation water inlet pipe B is connected respectively with bottom water tank C, water tank D; Circulation water inlet pipe A and circulation water inlet pipe B is provided with attemperating unit; Circulation water inlet pipe A is connected with equipment by water pump A, and circulation water inlet pipe B is connected with equipment by water pump B; Its upper side is connected with hot channel by outlet pipe A, and equipment bottom is connected with hot channel by outlet pipe B; Hot channel is connected with the water tank A top being positioned at highest point; Attemperating unit is connected by cooling-water temperature sensor with flow control valve.
2. the circulating cooling system for large-scale testing machine for mechanical properties according to claim 1, is characterized in that, described water tank A, water tank B, water tank C top are connected; Water tank A, water tank B, water tank C and water tank D reduce from left to right highly successively; Be connected with water tank C top bottom water tank B; Water tank C top is connected with water tank D top; The water inlet at water tank B top is connected by outlet pipe C with water tank D sidepiece, and outlet pipe C is provided with flow control valve.
3. the circulating cooling system for large-scale testing machine for mechanical properties according to claim 1, is characterized in that, the S-shaped laying of described hot channel.
4. the circulating cooling system for large-scale testing machine for mechanical properties according to claim 1, is characterized in that, described cooling fan is located in the horizontal pipeline section of hot channel.
5. the circulating cooling system for large-scale testing machine for mechanical properties according to claim 1, is characterized in that, described outlet pipe passes into hot channel.
6. the method utilizing the circulating cooling system for large-scale testing machine for mechanical properties described in claim 1 to lower the temperature, is characterized in that, comprise the following steps:
1) low temperature running water to be pressurizeed inflow equipment circulation temperature lowering through water pump A, water pump B by water inlet pipe A, water inlet pipe B bottom water tank C and water tank D, the high-temperature water flowed out from equipment flows into water tank A after entering hot channel heat radiation, water at low temperature flows to next stage water tank by bottom water tank A, the high water of temperature then by water tank A overhead stream to next stage water tank, realize reducing temperature twice;
2) attemperating unit detects wanting the water temperature of access arrangement after step 1) reducing temperature twice, if T during critical water temperature when this water temperature exceedes access arrangement
thtime, attemperating unit carries out circulation temperature lowering again by control flow check control valve after detecting;
3) the constant temperature running water after being lowered the temperature by classification is inflow equipment after water pump A, water pump B pressurization, by heat transfer absorption equipment temperature, realizes equipment cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626147.6A CN105091462A (en) | 2015-09-28 | 2015-09-28 | Circulating cooling system for large mechanical property testing machine and cooling method of circulating cooling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510626147.6A CN105091462A (en) | 2015-09-28 | 2015-09-28 | Circulating cooling system for large mechanical property testing machine and cooling method of circulating cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766548A (en) * | 2016-12-15 | 2017-05-31 | 广西职业技术学院 | The cooling device of testing machine |
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| JPH102652A (en) * | 1996-06-14 | 1998-01-06 | Orion Mach Co Ltd | Cooling device provided with water tank |
| CN201369175Y (en) * | 2009-03-20 | 2009-12-23 | 陕西师范大学 | Air cooled cooling water circulation device used for experimental apparatus |
| CN103575013A (en) * | 2013-10-18 | 2014-02-12 | 安徽华印机电股份有限公司 | Circulating cooling system |
| CN203642581U (en) * | 2013-11-14 | 2014-06-11 | 湖北北新建材有限公司 | Cooling water circulation system |
| CN103868791A (en) * | 2014-03-12 | 2014-06-18 | 西安石油大学 | Method and device for cooling fatigue testing machine |
| CN204227792U (en) * | 2014-11-06 | 2015-03-25 | 北京华福环境工程科技有限公司 | A kind of water-saving recirculating cooling water system |
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2015
- 2015-09-28 CN CN201510626147.6A patent/CN105091462A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102652A (en) * | 1996-06-14 | 1998-01-06 | Orion Mach Co Ltd | Cooling device provided with water tank |
| CN201369175Y (en) * | 2009-03-20 | 2009-12-23 | 陕西师范大学 | Air cooled cooling water circulation device used for experimental apparatus |
| CN103575013A (en) * | 2013-10-18 | 2014-02-12 | 安徽华印机电股份有限公司 | Circulating cooling system |
| CN203642581U (en) * | 2013-11-14 | 2014-06-11 | 湖北北新建材有限公司 | Cooling water circulation system |
| CN103868791A (en) * | 2014-03-12 | 2014-06-18 | 西安石油大学 | Method and device for cooling fatigue testing machine |
| CN204227792U (en) * | 2014-11-06 | 2015-03-25 | 北京华福环境工程科技有限公司 | A kind of water-saving recirculating cooling water system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766548A (en) * | 2016-12-15 | 2017-05-31 | 广西职业技术学院 | The cooling device of testing machine |
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