CN105258405A - Dual-cooling type condenser - Google Patents
Dual-cooling type condenser Download PDFInfo
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- CN105258405A CN105258405A CN201510596307.7A CN201510596307A CN105258405A CN 105258405 A CN105258405 A CN 105258405A CN 201510596307 A CN201510596307 A CN 201510596307A CN 105258405 A CN105258405 A CN 105258405A
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- heat exchanger
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- cooling
- condenser shell
- condenser
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Abstract
The invention relates to the technical field of condensers and discloses a dual-cooling type condenser. The dual-cooling type condenser comprises a condenser shell. A heat exchanger is arranged in the middle of the condenser shell. A liquid inlet pipe is arranged on the side face of the upper end of the heat exchanger. A liquid outlet pipe is arranged on the side face of the lower end of the heat exchanger. A water distribution pipe is arranged at the upper end of the heat exchanger, and a plurality of nozzles are evenly arranged on the lower side of the water distribution pipe. An exhaust fan is arranged on the portion, at the upper end of the water distribution pipe, of the interior of the condenser shell. An exhaust port is formed in the top of the condenser shell. An air intake grid is arranged on the side face of the lower end of the condenser shell. A water collection tank is arranged at the bottom of the condenser shell. A backflow pipe is arranged on the side face of the condenser shell. The lower end of the backflow pipe is connected with the water collection tank, and the upper end of the backflow pipe is connected with the water distribution pipe. A water pump is arranged on the backflow pipe, and a cooling coil is arranged on the portion, between the exhaust fan and the exhaust port, of the interior of the condenser shell. An outlet of the cooling coil is communicated with the liquid inlet pipe. The dual-cooling type condenser has the beneficial effects that generation of water scale in the heat exchanger and on the outer surface of the heat exchanger is slowed down, and the maintenance cycle of the heat exchanger is prolonged.
Description
Technical field
The present invention relates to condenser technology field, particularly relate to a kind of double-cooling condenser.
Background technology
In modern society, the application of Refrigeration Technique has related to each department and the daily life of national economy.And China's water resources shortage, under the situation that electric power resource day is becoming tight especially in recent years, there is higher requirement to the energy-conservation of refrigeration system.According to the difference of cooling medium and the type of cooling, conventional condenser generally can be divided into water-cooled, air-cooled and vaporation-type.Evaporative condenser take shower water as cooling medium, water forms moisture film outward at heat exchanger, heat exchange is carried out with process fluid in heat exchanger, after heat absorption, temperature raises, under action of high-speed airflow, form steam, if the initial temperature entering the process fluid in heat exchanger is higher than 70 DEG C, this temperature is the easy fouling temperature of water, the water capacity flowing through heat exchanger surface, easily in heat exchanger surface fouling, can affect heat exchanger heat exchange efficiency after heat exchanger surface fouling.
Summary of the invention
The present invention in order to solve inner, the surperficial easily scaling of heat exchanger in prior art in condenser, thus reduces the deficiency of heat exchanger heat exchange property, provides one and slows down the formation of heat exchanger surface incrustation scale, ensure the double-cooling condenser that heat exchanger performance is stable.
To achieve these goals, the present invention adopts following technical scheme:
A kind of double-cooling condenser, comprise condenser shell, the middle part of described condenser shell is provided with heat exchanger, the upper side of described heat exchanger is provided with feed tube, the lower end side of heat exchanger is provided with drain pipe, the upper end being positioned at heat exchanger in described condenser shell is provided with water distributor, the downside of described water distributor is evenly provided with some nozzles, the upper end being positioned at water distributor in described condenser shell is provided with exhaust blower, condenser shell top is provided with exhaust outlet, the lower end side of condenser shell is provided with air inlet grill, described condenser shell underdrain groove, described condenser shell side is provided with return duct, the lower end of described return duct is connected with water leg, the upper end of described return duct is connected with water distributor, return duct is provided with water pump, position in described condenser shell between exhaust blower and exhaust outlet is provided with cooling coil, the outlet of described cooling coil is communicated with feed tube.
Water pump is opened, exhaust blower is opened, high-temperature technology fluid is introduced in cooling coil and once cools, once cooled process fluid enters cooling in heat exchanger again, recirculated water in water distributor is sprayed onto heat exchanger from nozzle and forms moisture film at heat exchanger outer surface, moisture film is by carrying out heat exchange between heat exchanger and process fluid, under the effect of exhaust blower, negative pressure is formed in condenser shell, negative pressure is conducive to water and becomes gaseous state from liquid state, outside air enters in condenser shell from air inlet grill, air flows upwards impels moisture film rapid evaporation through heat exchanger, thus take away heat realize process fluid cooling, condensation effect, air takes away the heat of cooling coil through cooling coil time, process fluid temperature after once cooling drops to 70 DEG C once, thus avoids the easy fouling point of water, slows down heat exchanger inside and outer surface fouling, ensures that heat exchanger performance is stablized, extends heat exchanger maintenance period.
As preferably, the side of described cooling coil is provided with radiating fin.Radiating fin plays the thermolysis strengthening cooling coil.
As preferably, the upside of described water distributor is provided with water collection device.Water collection device can reclaim the droplet (water smoke) with steam drift, and droplet is combined into large water droplet and falls in water collection device, thus reduces cooling water waste, improves cooling water utilization rate, using water wisely.
As preferably, the side of described water leg is provided with the water supplement port controlled by ball-cock assembly, and the bottom of water leg is provided with sewage draining exit, and the top-side of water leg is provided with overfall.Along with evaporation, the minimizing of moisture, when in water leg, the water yield is less than setting value, ball-cock assembly automatically can be opened and be supplied water from the external world by water supplement port, when automatically being drained by overfall during excess moisture in water leg, owing to there is impurity in water, after water leg Long-Time Service, bottom has contamination precipitation, can regularly to drain the impurity bottom water leg from sewage draining exit.
As preferably, described return duct is provided with electronic water descaler.Incrustation scale is attached to heat exchanger plates surface and is unfavorable for heat exchange, and electronic water descaler effectively can remove the incrustation scale in cooling water.
As preferably, the top of described water leg is provided with in cellular heat exchange filling body, and heat exchange filling body covers the opening of water leg completely, and the air inlet grill on condenser shell is positioned at the side of heat exchange filling body.The water do not evaporated after heat exchanger surface heat absorption flows in heat exchange filling body along heat exchanger, can through heat exchange filling body after outside air enters from air inlet grill, water in air and heat exchange filling body carries out heat exchange and takes away heat, the water temperature finally flow in the temperature of the water in water leg and water distributor is close, water in water leg enters water distributor Inner eycle and uses under the effect of water pump, return duct, thus ensure that the circulating water temperature entered in water-locator is stablized, ensure the heat exchanger effectiveness between recirculated water and heat exchanger.
As preferably, described heat exchanger comprises the heat exchanger plates of some pieces of vertical parallel distributions, cooling gap is provided with between heat exchanger plates, some parallel fluid passages are provided with in described heat exchanger plates, all fluid passages are in turn connected to form square waveform passage, described feed tube respectively with the inlet communication of the square waveform passage on every block heat exchanger plates, described drain pipe respectively with the outlet of the square waveform passage on every block heat exchanger plates.The heat exchanger of this kind of structure is less than coil heat exchanger compact conformation, volume, and heat exchange efficiency is high, clean, safeguard convenient.
As preferably, be provided with heat exchange filler plate in described cooling gap, heat exchange filler plate is built up by two pieces of trapezoidal wave cards, and the end face on trapezoidal wave card is provided with some support columns.Heat exchange filler plate can reduce the flow velocity of cooling water in cooling gap, ensures that cooling water fully absorbs heat, increases the contact area of cooling water and air simultaneously, improve heat exchanger effectiveness.
As preferably, described heat exchanger plates is connected by two pieces of ripple heat-conducting plates to be made, and the concave surface of two pieces of ripple heat-conducting plates is fastened and connected the fluid passage described in being formed.Convex surface on two pieces of ripple heat-conducting plates is fitted and connected, and concave part forms fluid passage, and low cost of manufacture, heat exchanger plates lateral surface is also formed concavo-convex alternate corrugated surface, increases heat exchange surface area, improves heat exchanger effectiveness.
As preferably, be provided with row's pivot pin between the corresponding concave surface of two pieces of ripple heat-conducting plates on same heat exchanger plates, the periphery of every root pivot pin is provided with the annular flow-disturbing groove that some width do not wait, the described annular axis of flow-disturbing groove and the eccentric axis of pivot pin.Because the process fluid near inwall place in fluid passage is easy to heat exchange between extraneous cooling water, and the process fluid near centre needs by carrying out heat exchange between the process fluid of surrounding and extraneous cooling water, two row's pivot pins in fluid passage can break the balance of process fluid in fluid passage, thus make the process fluid in fluid passage that turbulent flow occur, flow-disturbing, in fluid passage different parts process fluid between can rapid mixing, improve the heat exchange between process fluid and extraneous cooling water, annular flow-disturbing groove improves the flow-disturbing of process fluid further, turbulent flow, mixing efficiency, because annular flow-disturbing groove is eccentric, therefore after installing, the direction of the annular flow-disturbing groove on each pivot pin is different, flow-disturbing effect is better, after heat exchanger plates manufactures, need transfer, carrying, in handling process, a large amount of heat exchanger plates is deposited in together, and pivot pin is played a supporting role to fluid passage, prevents heat exchanger plates to be collided, extraneous extruding and cause fluid passage closure.
Therefore, the present invention has following beneficial effect: (1) slows down the generation of heat exchanger inside, outer surface incrustation scale, extends heat exchanger maintenance period; (2) can cooling water waste be reduced, improve cooling water utilization rate; (3) keep the cooling water temperature of water distributor place ejection to stablize, ensure the heat exchanger effectiveness between recirculated water and heat exchanger; (4) heat exchanger structure is compact, volume is little.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the structural representation of heat exchanger plates.
Fig. 3 is the cross-sectional view of heat exchanger plates.
Fig. 4 is the connection diagram of pivot pin and ripple heat-conducting plate.
In figure: condenser shell 1, heat exchanger 2, feed tube 3, drain pipe 4, water distributor 5, nozzle 6, exhaust blower 7, air inlet grill 8, water leg 9, return duct 10, water pump 11, electronic water descaler 12, water supplement port 13, sewage draining exit 14, overfall 15, cooling coil 16, radiating fin 17, water collection device 18, heat exchange filling body 19, heat exchanger plates 20, cooling gap 21, fluid passage 22, ripple heat-conducting plate 23, square waveform passage 24, pivot pin 25, annular flow-disturbing groove 26, heat exchange filler plate 27, trapezoidal wave card 28, support column 29, exhaust outlet 30.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of double-cooling condenser as shown in Figure 1, comprise condenser shell 1, the middle part of condenser shell is provided with heat exchanger 2, heat exchanger 2 comprises the heat exchanger plates 20 of some pieces of vertical parallel distributions, cooling gap 21 is provided with between heat exchanger plates, as shown in Figure 3, some parallel fluid passages 22 are provided with in heat exchanger plates 20, heat exchanger plates 20 is connected by two pieces of ripple heat-conducting plates 23 to be made, convex surface on two pieces of ripple heat-conducting plates is fitted and connected, the concave surface of two pieces of ripple heat-conducting plates is fastened and connected the fluid passage 22 described in being formed, heat exchange filler plate 27 is provided with in cooling gap 21, heat exchange filler plate is built up by two pieces of trapezoidal wave cards 28, end face on trapezoidal wave card is provided with some support columns 29.
As shown in Figure 2, the left end of first fluid passage is connected with the left end of second fluid passage, the right-hand member of second fluid passage is connected with the right-hand member of the 3rd fluid passage, the left end of the 3rd fluid passage and the 4th fluid passage, all fluid passages are in turn connected to form square waveform passage 24 according to above-mentioned rule; As shown in Figure 4, row's pivot pin 25 is provided with between the corresponding concave surface of two pieces of ripple heat-conducting plates 23 on same heat exchanger plates, the periphery of every root pivot pin 25 is provided with the annular flow-disturbing groove 26 that some width do not wait, and the annular axis of flow-disturbing groove and the eccentric axis of bearing pin, be dislocatedly distributed between adjacent two pivot pins.
The upper side of heat exchanger 2 is provided with feed tube 3, the lower end side of heat exchanger is provided with drain pipe 4, feed tube 3 respectively with the inlet communication of the square waveform passage on every block heat exchanger plates, drain pipe 4 respectively with the outlet of the square waveform passage on every block heat exchanger plates, the upper end being positioned at heat exchanger 2 in condenser shell 1 is provided with water distributor 5, the downside of water distributor is evenly provided with some nozzles 6, the upside of water distributor is provided with water collection device 18, the upper end being positioned at water distributor in condenser shell 1 is provided with exhaust blower 7, condenser shell top is provided with exhaust outlet 30, condenser shell 1 underdrain groove 9, condenser shell side is provided with return duct 10, the lower end of return duct is connected with water leg, the upper end of return duct is connected with water distributor, return duct is provided with water pump 11, the top of water leg 9 is provided with in cellular heat exchange filling body 19, heat exchange filling body 19 covers the opening of water leg 9 completely, side condenser shell 1 being positioned at heat exchange filling body is provided with air inlet grill 8, the side of water leg 9 is provided with the water supplement port 13 controlled by ball-cock assembly, and the bottom of water leg is provided with sewage draining exit 14, and the top-side of water leg is provided with overfall 15, position in condenser shell 1 between exhaust blower 7 and exhaust outlet 30 is provided with cooling coil 16, and the outlet of cooling coil is communicated with feed tube 3, and the side of cooling coil 16 is provided with radiating fin 17.
By reference to the accompanying drawings, using method of the present invention is as follows: exhaust blower is opened, water pump on return duct is opened, cooling water in water distributor is sprayed onto in the cooling gap in heat exchanger from nozzle, cooling water is along heat exchange filler plate, heat exchanger plates surface flows downward formation moisture film, outside air is from air inlet grill air inlet, air-flow is through heat exchange filling body, heat exchanger, water collection device, discharge from top after radiating fin, high-temperature technology fluid be introduced into carry out in cooling coil 16 pre-cooled, process fluid temperature after pre-cooled is lower than 70 DEG C, thus avoid the easy fouling point of water, slow down heat exchanger plates outer wall, fluid passage tube wall fouling, process fluid after cooling coil is pre-cooled enters in feed tube 3, then enter in the square waveform passage 24 in each heat exchanger plates 20 respectively, process fluid passes to moisture film by heat exchanger plates heat, air impels moisture film rapid evaporation after cooling gap, thus take away heat and realize condensation effect, discharge in drain pipe after process fluid cooling, in cooling gap not by the higher circulating water flow of the temperature of evaporating on heat exchange filling body, recirculated water in the air that air inlet grill place enters and heat exchange filling body carries out heat exchange and takes away heat, cooling water temperature in the temperature of the recirculated water in final inflow water leg and water distributor is close, water in water leg enters water distributor and recycles, improve the heat exchange between recirculated water and heat exchanger, when the liquid level in water leg is lower than certain value, the ball-cock assembly at water supplement port place is opened supplementary automatically, polylith heat exchanger plates forms heat exchanger, and the square waveform channel table area ratio coil pipe in the heat exchanger plates of same volume is large, and cooling effectiveness is higher than coil pipe, and compact conformation, volume are little, clean also convenient.
Claims (10)
1. a double-cooling condenser, comprise condenser shell, it is characterized in that, the middle part of described condenser shell is provided with heat exchanger, the upper side of described heat exchanger is provided with feed tube, the lower end side of heat exchanger is provided with drain pipe, the upper end being positioned at heat exchanger in described condenser shell is provided with water distributor, the downside of described water distributor is evenly provided with some nozzles, the upper end being positioned at water distributor in described condenser shell is provided with exhaust blower, condenser shell top is provided with exhaust outlet, the lower end side of condenser shell is provided with air inlet grill, described condenser shell underdrain groove, described condenser shell side is provided with return duct, the lower end of described return duct is connected with water leg, the upper end of described return duct is connected with water distributor, return duct is provided with water pump, position in described condenser shell between exhaust blower and exhaust outlet is provided with cooling coil, the outlet of described cooling coil is communicated with feed tube.
2. a kind of double-cooling condenser according to claim 1, it is characterized in that, the side of described cooling coil is provided with radiating fin.
3. a kind of double-cooling condenser according to claim 1, it is characterized in that, the upside of described water distributor is provided with water collection device.
4. a kind of double-cooling condenser according to claim 1 or 2 or 3, it is characterized in that, the side of described water leg is provided with the water supplement port controlled by ball-cock assembly, the bottom of water leg is provided with sewage draining exit, and the top-side of water leg is provided with overfall.
5. a kind of double-cooling condenser according to claim 1 or 2 or 3, it is characterized in that, described return duct is provided with electronic water descaler.
6. a kind of double-cooling condenser according to claim 1, it is characterized in that, the top of described water leg is provided with in cellular heat exchange filling body, and heat exchange filling body covers the opening of water leg completely, and the air inlet grill on condenser shell is positioned at the side of heat exchange filling body.
7. a kind of double-cooling condenser according to claim 1 or 2 or 6, it is characterized in that, described heat exchanger comprises the heat exchanger plates of some pieces of vertical parallel distributions, cooling gap is provided with between heat exchanger plates, some parallel fluid passages are provided with in described heat exchanger plates, all fluid passages are in turn connected to form square waveform passage, described feed tube respectively with the inlet communication of the square waveform passage on every block heat exchanger plates, described drain pipe respectively with the outlet of the square waveform passage on every block heat exchanger plates.
8. a kind of double-cooling condenser according to claim 7, is characterized in that, be provided with heat exchange filler plate in described cooling gap, and heat exchange filler plate is built up by two pieces of trapezoidal wave cards, and the end face on trapezoidal wave card is provided with some support columns.
9. a kind of double-cooling condenser according to claim 7, is characterized in that, described heat exchanger plates is connected by two pieces of ripple heat-conducting plates to be made, and the concave surface of two pieces of ripple heat-conducting plates is fastened and connected the fluid passage described in being formed.
10. a kind of double-cooling condenser according to claim 9, it is characterized in that, row's pivot pin is provided with between the corresponding concave surface of two pieces of ripple heat-conducting plates on same heat exchanger plates, the periphery of every root pivot pin is provided with the annular flow-disturbing groove that some width do not wait, the described annular axis of flow-disturbing groove and the eccentric axis of pivot pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510596307.7A CN105258405B (en) | 2015-09-18 | 2015-09-18 | A kind of double-cooling condenser |
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| CN201510596307.7A CN105258405B (en) | 2015-09-18 | 2015-09-18 | A kind of double-cooling condenser |
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| CN105258405A true CN105258405A (en) | 2016-01-20 |
| CN105258405B CN105258405B (en) | 2017-09-19 |
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| CN201510596307.7A Active CN105258405B (en) | 2015-09-18 | 2015-09-18 | A kind of double-cooling condenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545980A (en) * | 2021-08-21 | 2021-10-26 | 武汉左点科技有限公司 | Steam recycling method and device of foot steamer |
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| CN203464553U (en) * | 2013-06-18 | 2014-03-05 | 同济大学 | Novel plate-type evaporative condenser |
| CN104048519A (en) * | 2014-05-22 | 2014-09-17 | 江西方舟流体科技有限公司 | Low-temperature anti-scaling energy-saving dry-and-wet type cooler |
| CN104457002A (en) * | 2014-12-31 | 2015-03-25 | 昆山台佳机电有限公司 | Integrated double-cooling water chilling unit |
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2015
- 2015-09-18 CN CN201510596307.7A patent/CN105258405B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006255746A (en) * | 2005-03-16 | 2006-09-28 | Calsonic Kansei Corp | Method and tool for manufacturing laminated heat exchanger |
| CN101078575A (en) * | 2007-06-27 | 2007-11-28 | 王全龄 | Highly effective heat pump air conditioner and hot water device suitable for wide temperature environment |
| CN201152693Y (en) * | 2007-12-28 | 2008-11-19 | 孙善瑜 | Tubular chamber shaped evaporative condenser |
| CN201488621U (en) * | 2009-05-27 | 2010-05-26 | 北京和海益制冷科技有限公司 | Air cold and evaporation cold integral heat exchanger |
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| CN113545980A (en) * | 2021-08-21 | 2021-10-26 | 武汉左点科技有限公司 | Steam recycling method and device of foot steamer |
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